etherlabmaster: devices/e1000/e1000_hw-3.8-ethercat.c@9dc0b2262f90 (annotated)

2589 2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1	/*******************************************************************************
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3	Intel PRO/1000 Linux driver
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4	Copyright(c) 1999 - 2006 Intel Corporation.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	6	This program is free software; you can redistribute it and/or modify it
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	7	under the terms and conditions of the GNU General Public License,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	8	version 2, as published by the Free Software Foundation.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	9
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	10	This program is distributed in the hope it will be useful, but WITHOUT
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	11	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	12	FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	13	more details.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	14
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	15	You should have received a copy of the GNU General Public License along with
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	16	this program; if not, write to the Free Software Foundation, Inc.,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	17	51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	18
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	19	The full GNU General Public License is included in this distribution in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	20	the file called "COPYING".
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	21
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	22	Contact Information:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	23	Linux NICS <linux.nics@intel.com>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	24	e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	25	Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	26
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	27	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	28
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	29	/* e1000_hw.c
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	30	* Shared functions for accessing and configuring the MAC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	31	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	32
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	33	#include "e1000-3.8-ethercat.h"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	34
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	35	static s32 e1000_check_downshift(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	36	static s32 e1000_check_polarity(struct e1000_hw *hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	37	e1000_rev_polarity *polarity);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	38	static void e1000_clear_hw_cntrs(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	39	static void e1000_clear_vfta(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	40	static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	41	bool link_up);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	42	static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	43	static s32 e1000_detect_gig_phy(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	44	static s32 e1000_get_auto_rd_done(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	45	static s32 e1000_get_cable_length(struct e1000_hw hw, u16 min_length,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	46	u16 *max_length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	47	static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	48	static s32 e1000_id_led_init(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	49	static void e1000_init_rx_addrs(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	50	static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	51	struct e1000_phy_info *phy_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	52	static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	53	struct e1000_phy_info *phy_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	54	static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	55	static s32 e1000_wait_autoneg(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	56	static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	57	static s32 e1000_set_phy_type(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	58	static void e1000_phy_init_script(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	59	static s32 e1000_setup_copper_link(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	60	static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	61	static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	62	static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	63	static s32 e1000_config_mac_to_phy(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	64	static void e1000_raise_mdi_clk(struct e1000_hw hw, u32 ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	65	static void e1000_lower_mdi_clk(struct e1000_hw hw, u32 ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	66	static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	67	static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	68	static s32 e1000_phy_reset_dsp(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	69	static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	70	u16 words, u16 *data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	71	static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	72	u16 words, u16 *data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	73	static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	74	static void e1000_raise_ee_clk(struct e1000_hw hw, u32 eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	75	static void e1000_lower_ee_clk(struct e1000_hw hw, u32 eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	76	static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	77	static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	78	u16 phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	79	static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	80	u16 *phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	81	static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	82	static s32 e1000_acquire_eeprom(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	83	static void e1000_release_eeprom(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	84	static void e1000_standby_eeprom(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	85	static s32 e1000_set_vco_speed(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	86	static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	87	static s32 e1000_set_phy_mode(struct e1000_hw *hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	88	static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	89	u16 *data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	90	static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	91	u16 *data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	92
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	93	/* IGP cable length table */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	94	static const
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	95	u16 e1000_igp_cable_length_table[IGP01E1000_AGC_LENGTH_TABLE_SIZE] = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	96	5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	97	5, 10, 10, 10, 10, 10, 10, 10, 20, 20, 20, 20, 20, 25, 25, 25,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	98	25, 25, 25, 25, 30, 30, 30, 30, 40, 40, 40, 40, 40, 40, 40, 40,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	99	40, 50, 50, 50, 50, 50, 50, 50, 60, 60, 60, 60, 60, 60, 60, 60,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	100	60, 70, 70, 70, 70, 70, 70, 80, 80, 80, 80, 80, 80, 90, 90, 90,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	101	90, 90, 90, 90, 90, 90, 100, 100, 100, 100, 100, 100, 100, 100, 100,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	102	100,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	103	100, 100, 100, 100, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	104	110, 110,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	105	110, 110, 110, 110, 110, 110, 120, 120, 120, 120, 120, 120, 120, 120,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	106	120, 120
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	107	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	108
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	109	static DEFINE_SPINLOCK(e1000_eeprom_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	110	static DEFINE_SPINLOCK(e1000_phy_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	111
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	112	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	113	* e1000_set_phy_type - Set the phy type member in the hw struct.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	114	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	115	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	116	static s32 e1000_set_phy_type(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	117	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	118	e_dbg("e1000_set_phy_type");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	119
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	120	if (hw->mac_type == e1000_undefined)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	121	return -E1000_ERR_PHY_TYPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	122
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	123	switch (hw->phy_id) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	124	case M88E1000_E_PHY_ID:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	125	case M88E1000_I_PHY_ID:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	126	case M88E1011_I_PHY_ID:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	127	case M88E1111_I_PHY_ID:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	128	case M88E1118_E_PHY_ID:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	129	hw->phy_type = e1000_phy_m88;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	130	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	131	case IGP01E1000_I_PHY_ID:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	132	if (hw->mac_type == e1000_82541 \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	133	hw->mac_type == e1000_82541_rev_2 \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	134	hw->mac_type == e1000_82547 \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	135	hw->mac_type == e1000_82547_rev_2)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	136	hw->phy_type = e1000_phy_igp;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	137	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	138	case RTL8211B_PHY_ID:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	139	hw->phy_type = e1000_phy_8211;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	140	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	141	case RTL8201N_PHY_ID:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	142	hw->phy_type = e1000_phy_8201;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	143	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	144	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	145	/* Should never have loaded on this device */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	146	hw->phy_type = e1000_phy_undefined;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	147	return -E1000_ERR_PHY_TYPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	148	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	149
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	150	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	151	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	152
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	153	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	154	* e1000_phy_init_script - IGP phy init script - initializes the GbE PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	155	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	156	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	157	static void e1000_phy_init_script(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	158	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	159	u32 ret_val __attribute__ ((unused));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	160	u16 phy_saved_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	161
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	162	e_dbg("e1000_phy_init_script");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	163
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	164	if (hw->phy_init_script) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	165	msleep(20);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	166
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	167	/* Save off the current value of register 0x2F5B to be restored at
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	168	* the end of this routine. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	169	ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	170
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	171	/* Disabled the PHY transmitter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	172	e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	173	msleep(20);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	174
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	175	e1000_write_phy_reg(hw, 0x0000, 0x0140);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	176	msleep(5);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	177
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	178	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	179	case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	180	case e1000_82547:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	181	e1000_write_phy_reg(hw, 0x1F95, 0x0001);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	182	e1000_write_phy_reg(hw, 0x1F71, 0xBD21);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	183	e1000_write_phy_reg(hw, 0x1F79, 0x0018);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	184	e1000_write_phy_reg(hw, 0x1F30, 0x1600);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	185	e1000_write_phy_reg(hw, 0x1F31, 0x0014);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	186	e1000_write_phy_reg(hw, 0x1F32, 0x161C);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	187	e1000_write_phy_reg(hw, 0x1F94, 0x0003);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	188	e1000_write_phy_reg(hw, 0x1F96, 0x003F);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	189	e1000_write_phy_reg(hw, 0x2010, 0x0008);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	190	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	191
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	192	case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	193	case e1000_82547_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	194	e1000_write_phy_reg(hw, 0x1F73, 0x0099);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	195	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	196	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	197	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	198	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	199
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	200	e1000_write_phy_reg(hw, 0x0000, 0x3300);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	201	msleep(20);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	202
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	203	/* Now enable the transmitter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	204	e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	205
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	206	if (hw->mac_type == e1000_82547) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	207	u16 fused, fine, coarse;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	208
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	209	/* Move to analog registers page */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	210	e1000_read_phy_reg(hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	211	IGP01E1000_ANALOG_SPARE_FUSE_STATUS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	212	&fused);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	213
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	214	if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	215	e1000_read_phy_reg(hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	216	IGP01E1000_ANALOG_FUSE_STATUS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	217	&fused);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	218
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	219	fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	220	coarse =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	221	fused & IGP01E1000_ANALOG_FUSE_COARSE_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	222
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	223	if (coarse >
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	224	IGP01E1000_ANALOG_FUSE_COARSE_THRESH) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	225	coarse -=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	226	IGP01E1000_ANALOG_FUSE_COARSE_10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	227	fine -= IGP01E1000_ANALOG_FUSE_FINE_1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	228	} else if (coarse ==
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	229	IGP01E1000_ANALOG_FUSE_COARSE_THRESH)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	230	fine -= IGP01E1000_ANALOG_FUSE_FINE_10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	231
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	232	fused =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	233	(fused & IGP01E1000_ANALOG_FUSE_POLY_MASK) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	234	(fine & IGP01E1000_ANALOG_FUSE_FINE_MASK) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	235	(coarse &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	236	IGP01E1000_ANALOG_FUSE_COARSE_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	237
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	238	e1000_write_phy_reg(hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	239	IGP01E1000_ANALOG_FUSE_CONTROL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	240	fused);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	241	e1000_write_phy_reg(hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	242	IGP01E1000_ANALOG_FUSE_BYPASS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	243	IGP01E1000_ANALOG_FUSE_ENABLE_SW_CONTROL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	244	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	245	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	246	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	247	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	248
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	249	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	250	* e1000_set_mac_type - Set the mac type member in the hw struct.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	251	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	252	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	253	s32 e1000_set_mac_type(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	254	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	255	e_dbg("e1000_set_mac_type");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	256
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	257	switch (hw->device_id) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	258	case E1000_DEV_ID_82542:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	259	switch (hw->revision_id) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	260	case E1000_82542_2_0_REV_ID:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	261	hw->mac_type = e1000_82542_rev2_0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	262	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	263	case E1000_82542_2_1_REV_ID:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	264	hw->mac_type = e1000_82542_rev2_1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	265	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	266	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	267	/* Invalid 82542 revision ID */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	268	return -E1000_ERR_MAC_TYPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	269	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	270	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	271	case E1000_DEV_ID_82543GC_FIBER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	272	case E1000_DEV_ID_82543GC_COPPER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	273	hw->mac_type = e1000_82543;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	274	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	275	case E1000_DEV_ID_82544EI_COPPER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	276	case E1000_DEV_ID_82544EI_FIBER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	277	case E1000_DEV_ID_82544GC_COPPER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	278	case E1000_DEV_ID_82544GC_LOM:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	279	hw->mac_type = e1000_82544;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	280	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	281	case E1000_DEV_ID_82540EM:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	282	case E1000_DEV_ID_82540EM_LOM:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	283	case E1000_DEV_ID_82540EP:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	284	case E1000_DEV_ID_82540EP_LOM:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	285	case E1000_DEV_ID_82540EP_LP:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	286	hw->mac_type = e1000_82540;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	287	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	288	case E1000_DEV_ID_82545EM_COPPER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	289	case E1000_DEV_ID_82545EM_FIBER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	290	hw->mac_type = e1000_82545;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	291	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	292	case E1000_DEV_ID_82545GM_COPPER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	293	case E1000_DEV_ID_82545GM_FIBER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	294	case E1000_DEV_ID_82545GM_SERDES:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	295	hw->mac_type = e1000_82545_rev_3;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	296	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	297	case E1000_DEV_ID_82546EB_COPPER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	298	case E1000_DEV_ID_82546EB_FIBER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	299	case E1000_DEV_ID_82546EB_QUAD_COPPER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	300	hw->mac_type = e1000_82546;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	301	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	302	case E1000_DEV_ID_82546GB_COPPER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	303	case E1000_DEV_ID_82546GB_FIBER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	304	case E1000_DEV_ID_82546GB_SERDES:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	305	case E1000_DEV_ID_82546GB_PCIE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	306	case E1000_DEV_ID_82546GB_QUAD_COPPER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	307	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	308	hw->mac_type = e1000_82546_rev_3;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	309	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	310	case E1000_DEV_ID_82541EI:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	311	case E1000_DEV_ID_82541EI_MOBILE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	312	case E1000_DEV_ID_82541ER_LOM:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	313	hw->mac_type = e1000_82541;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	314	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	315	case E1000_DEV_ID_82541ER:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	316	case E1000_DEV_ID_82541GI:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	317	case E1000_DEV_ID_82541GI_LF:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	318	case E1000_DEV_ID_82541GI_MOBILE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	319	hw->mac_type = e1000_82541_rev_2;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	320	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	321	case E1000_DEV_ID_82547EI:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	322	case E1000_DEV_ID_82547EI_MOBILE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	323	hw->mac_type = e1000_82547;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	324	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	325	case E1000_DEV_ID_82547GI:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	326	hw->mac_type = e1000_82547_rev_2;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	327	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	328	case E1000_DEV_ID_INTEL_CE4100_GBE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	329	hw->mac_type = e1000_ce4100;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	330	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	331	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	332	/* Should never have loaded on this device */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	333	return -E1000_ERR_MAC_TYPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	334	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	335
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	336	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	337	case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	338	case e1000_82547:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	339	case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	340	case e1000_82547_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	341	hw->asf_firmware_present = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	342	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	343	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	344	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	345	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	346
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	347	/* The 82543 chip does not count tx_carrier_errors properly in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	348	* FD mode
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	349	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	350	if (hw->mac_type == e1000_82543)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	351	hw->bad_tx_carr_stats_fd = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	352
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	353	if (hw->mac_type > e1000_82544)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	354	hw->has_smbus = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	355
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	356	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	357	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	358
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	359	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	360	* e1000_set_media_type - Set media type and TBI compatibility.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	361	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	362	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	363	void e1000_set_media_type(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	364	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	365	u32 status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	366
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	367	e_dbg("e1000_set_media_type");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	368
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	369	if (hw->mac_type != e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	370	/* tbi_compatibility is only valid on 82543 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	371	hw->tbi_compatibility_en = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	372	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	373
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	374	switch (hw->device_id) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	375	case E1000_DEV_ID_82545GM_SERDES:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	376	case E1000_DEV_ID_82546GB_SERDES:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	377	hw->media_type = e1000_media_type_internal_serdes;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	378	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	379	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	380	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	381	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	382	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	383	hw->media_type = e1000_media_type_fiber;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	384	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	385	case e1000_ce4100:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	386	hw->media_type = e1000_media_type_copper;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	387	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	388	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	389	status = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	390	if (status & E1000_STATUS_TBIMODE) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	391	hw->media_type = e1000_media_type_fiber;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	392	/* tbi_compatibility not valid on fiber */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	393	hw->tbi_compatibility_en = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	394	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	395	hw->media_type = e1000_media_type_copper;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	396	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	397	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	398	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	399	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	400	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	401
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	402	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	403	* e1000_reset_hw - reset the hardware completely
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	404	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	405	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	406	* Reset the transmit and receive units; mask and clear all interrupts.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	407	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	408	s32 e1000_reset_hw(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	409	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	410	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	411	u32 ctrl_ext;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	412	u32 icr __attribute__ ((unused));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	413	u32 manc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	414	u32 led_ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	415	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	416
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	417	e_dbg("e1000_reset_hw");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	418
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	419	/* For 82542 (rev 2.0), disable MWI before issuing a device reset */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	420	if (hw->mac_type == e1000_82542_rev2_0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	421	e_dbg("Disabling MWI on 82542 rev 2.0\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	422	e1000_pci_clear_mwi(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	423	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	424
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	425	/* Clear interrupt mask to stop board from generating interrupts */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	426	e_dbg("Masking off all interrupts\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	427	ew32(IMC, 0xffffffff);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	428
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	429	/* Disable the Transmit and Receive units. Then delay to allow
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	430	* any pending transactions to complete before we hit the MAC with
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	431	* the global reset.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	432	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	433	ew32(RCTL, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	434	ew32(TCTL, E1000_TCTL_PSP);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	435	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	436
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	437	/* The tbi_compatibility_on Flag must be cleared when Rctl is cleared. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	438	hw->tbi_compatibility_on = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	439
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	440	/* Delay to allow any outstanding PCI transactions to complete before
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	441	* resetting the device
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	442	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	443	msleep(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	444
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	445	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	446
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	447	/* Must reset the PHY before resetting the MAC */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	448	if ((hw->mac_type == e1000_82541) \|\| (hw->mac_type == e1000_82547)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	449	ew32(CTRL, (ctrl \| E1000_CTRL_PHY_RST));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	450	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	451	msleep(5);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	452	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	453
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	454	/* Issue a global reset to the MAC. This will reset the chip's
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	455	* transmit, receive, DMA, and link units. It will not effect
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	456	* the current PCI configuration. The global reset bit is self-
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	457	* clearing, and should clear within a microsecond.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	458	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	459	e_dbg("Issuing a global reset to MAC\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	460
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	461	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	462	case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	463	case e1000_82540:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	464	case e1000_82545:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	465	case e1000_82546:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	466	case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	467	case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	468	/* These controllers can't ack the 64-bit write when issuing the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	469	* reset, so use IO-mapping as a workaround to issue the reset */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	470	E1000_WRITE_REG_IO(hw, CTRL, (ctrl \| E1000_CTRL_RST));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	471	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	472	case e1000_82545_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	473	case e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	474	/* Reset is performed on a shadow of the control register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	475	ew32(CTRL_DUP, (ctrl \| E1000_CTRL_RST));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	476	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	477	case e1000_ce4100:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	478	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	479	ew32(CTRL, (ctrl \| E1000_CTRL_RST));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	480	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	481	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	482
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	483	/* After MAC reset, force reload of EEPROM to restore power-on settings to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	484	* device. Later controllers reload the EEPROM automatically, so just wait
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	485	* for reload to complete.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	486	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	487	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	488	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	489	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	490	case e1000_82543:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	491	case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	492	/* Wait for reset to complete */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	493	udelay(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	494	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	495	ctrl_ext \|= E1000_CTRL_EXT_EE_RST;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	496	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	497	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	498	/* Wait for EEPROM reload */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	499	msleep(2);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	500	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	501	case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	502	case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	503	case e1000_82547:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	504	case e1000_82547_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	505	/* Wait for EEPROM reload */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	506	msleep(20);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	507	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	508	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	509	/* Auto read done will delay 5ms or poll based on mac type */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	510	ret_val = e1000_get_auto_rd_done(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	511	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	512	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	513	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	514	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	515
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	516	/* Disable HW ARPs on ASF enabled adapters */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	517	if (hw->mac_type >= e1000_82540) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	518	manc = er32(MANC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	519	manc &= ~(E1000_MANC_ARP_EN);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	520	ew32(MANC, manc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	521	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	522
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	523	if ((hw->mac_type == e1000_82541) \|\| (hw->mac_type == e1000_82547)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	524	e1000_phy_init_script(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	525
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	526	/* Configure activity LED after PHY reset */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	527	led_ctrl = er32(LEDCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	528	led_ctrl &= IGP_ACTIVITY_LED_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	529	led_ctrl \|= (IGP_ACTIVITY_LED_ENABLE \| IGP_LED3_MODE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	530	ew32(LEDCTL, led_ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	531	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	532
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	533	/* Clear interrupt mask to stop board from generating interrupts */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	534	e_dbg("Masking off all interrupts\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	535	ew32(IMC, 0xffffffff);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	536
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	537	/* Clear any pending interrupt events. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	538	icr = er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	539
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	540	/* If MWI was previously enabled, reenable it. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	541	if (hw->mac_type == e1000_82542_rev2_0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	542	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	543	e1000_pci_set_mwi(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	544	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	545
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	546	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	547	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	548
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	549	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	550	* e1000_init_hw - Performs basic configuration of the adapter.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	551	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	552	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	553	* Assumes that the controller has previously been reset and is in a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	554	* post-reset uninitialized state. Initializes the receive address registers,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	555	* multicast table, and VLAN filter table. Calls routines to setup link
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	556	* configuration and flow control settings. Clears all on-chip counters. Leaves
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	557	* the transmit and receive units disabled and uninitialized.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	558	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	559	s32 e1000_init_hw(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	560	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	561	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	562	u32 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	563	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	564	u32 mta_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	565	u32 ctrl_ext;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	566
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	567	e_dbg("e1000_init_hw");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	568
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	569	/* Initialize Identification LED */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	570	ret_val = e1000_id_led_init(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	571	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	572	e_dbg("Error Initializing Identification LED\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	573	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	574	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	575
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	576	/* Set the media type and TBI compatibility */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	577	e1000_set_media_type(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	578
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	579	/* Disabling VLAN filtering. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	580	e_dbg("Initializing the IEEE VLAN\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	581	if (hw->mac_type < e1000_82545_rev_3)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	582	ew32(VET, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	583	e1000_clear_vfta(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	584
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	585	/* For 82542 (rev 2.0), disable MWI and put the receiver into reset */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	586	if (hw->mac_type == e1000_82542_rev2_0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	587	e_dbg("Disabling MWI on 82542 rev 2.0\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	588	e1000_pci_clear_mwi(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	589	ew32(RCTL, E1000_RCTL_RST);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	590	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	591	msleep(5);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	592	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	593
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	594	/* Setup the receive address. This involves initializing all of the Receive
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	595	* Address Registers (RARs 0 - 15).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	596	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	597	e1000_init_rx_addrs(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	598
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	599	/* For 82542 (rev 2.0), take the receiver out of reset and enable MWI */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	600	if (hw->mac_type == e1000_82542_rev2_0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	601	ew32(RCTL, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	602	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	603	msleep(1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	604	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	605	e1000_pci_set_mwi(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	606	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	607
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	608	/* Zero out the Multicast HASH table */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	609	e_dbg("Zeroing the MTA\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	610	mta_size = E1000_MC_TBL_SIZE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	611	for (i = 0; i < mta_size; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	612	E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	613	/* use write flush to prevent Memory Write Block (MWB) from
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	614	* occurring when accessing our register space */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	615	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	616	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	617
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	618	/* Set the PCI priority bit correctly in the CTRL register. This
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	619	* determines if the adapter gives priority to receives, or if it
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	620	* gives equal priority to transmits and receives. Valid only on
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	621	* 82542 and 82543 silicon.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	622	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	623	if (hw->dma_fairness && hw->mac_type <= e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	624	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	625	ew32(CTRL, ctrl \| E1000_CTRL_PRIOR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	626	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	627
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	628	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	629	case e1000_82545_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	630	case e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	631	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	632	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	633	/* Workaround for PCI-X problem when BIOS sets MMRBC incorrectly. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	634	if (hw->bus_type == e1000_bus_type_pcix
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	635	&& e1000_pcix_get_mmrbc(hw) > 2048)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	636	e1000_pcix_set_mmrbc(hw, 2048);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	637	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	638	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	639
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	640	/* Call a subroutine to configure the link and setup flow control. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	641	ret_val = e1000_setup_link(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	642
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	643	/* Set the transmit descriptor write-back policy */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	644	if (hw->mac_type > e1000_82544) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	645	ctrl = er32(TXDCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	646	ctrl =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	647	(ctrl & ~E1000_TXDCTL_WTHRESH) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	648	E1000_TXDCTL_FULL_TX_DESC_WB;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	649	ew32(TXDCTL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	650	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	651
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	652	/* Clear all of the statistics registers (clear on read). It is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	653	* important that we do this after we have tried to establish link
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	654	* because the symbol error count will increment wildly if there
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	655	* is no link.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	656	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	657	e1000_clear_hw_cntrs(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	658
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	659	if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	660	hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	661	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	662	/* Relaxed ordering must be disabled to avoid a parity
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	663	* error crash in a PCI slot. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	664	ctrl_ext \|= E1000_CTRL_EXT_RO_DIS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	665	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	666	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	667
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	668	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	669	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	670
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	671	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	672	* e1000_adjust_serdes_amplitude - Adjust SERDES output amplitude based on EEPROM setting.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	673	* @hw: Struct containing variables accessed by shared code.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	674	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	675	static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	676	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	677	u16 eeprom_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	678	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	679
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	680	e_dbg("e1000_adjust_serdes_amplitude");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	681
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	682	if (hw->media_type != e1000_media_type_internal_serdes)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	683	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	684
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	685	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	686	case e1000_82545_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	687	case e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	688	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	689	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	690	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	691	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	692
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	693	ret_val = e1000_read_eeprom(hw, EEPROM_SERDES_AMPLITUDE, 1,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	694	&eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	695	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	696	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	697	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	698
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	699	if (eeprom_data != EEPROM_RESERVED_WORD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	700	/* Adjust SERDES output amplitude only. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	701	eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	702	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	703	e1000_write_phy_reg(hw, M88E1000_PHY_EXT_CTRL, eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	704	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	705	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	706	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	707
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	708	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	709	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	710
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	711	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	712	* e1000_setup_link - Configures flow control and link settings.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	713	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	714	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	715	* Determines which flow control settings to use. Calls the appropriate media-
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	716	* specific link configuration function. Configures the flow control settings.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	717	* Assuming the adapter has a valid link partner, a valid link should be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	718	* established. Assumes the hardware has previously been reset and the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	719	* transmitter and receiver are not enabled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	720	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	721	s32 e1000_setup_link(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	722	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	723	u32 ctrl_ext;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	724	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	725	u16 eeprom_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	726
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	727	e_dbg("e1000_setup_link");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	728
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	729	/* Read and store word 0x0F of the EEPROM. This word contains bits
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	730	* that determine the hardware's default PAUSE (flow control) mode,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	731	* a bit that determines whether the HW defaults to enabling or
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	732	* disabling auto-negotiation, and the direction of the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	733	* SW defined pins. If there is no SW over-ride of the flow
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	734	* control setting, then the variable hw->fc will
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	735	* be initialized based on a value in the EEPROM.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	736	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	737	if (hw->fc == E1000_FC_DEFAULT) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	738	ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	739	1, &eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	740	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	741	e_dbg("EEPROM Read Error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	742	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	743	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	744	if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	745	hw->fc = E1000_FC_NONE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	746	else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) ==
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	747	EEPROM_WORD0F_ASM_DIR)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	748	hw->fc = E1000_FC_TX_PAUSE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	749	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	750	hw->fc = E1000_FC_FULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	751	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	752
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	753	/* We want to save off the original Flow Control configuration just
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	754	* in case we get disconnected and then reconnected into a different
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	755	* hub or switch with different Flow Control capabilities.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	756	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	757	if (hw->mac_type == e1000_82542_rev2_0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	758	hw->fc &= (~E1000_FC_TX_PAUSE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	759
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	760	if ((hw->mac_type < e1000_82543) && (hw->report_tx_early == 1))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	761	hw->fc &= (~E1000_FC_RX_PAUSE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	762
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	763	hw->original_fc = hw->fc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	764
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	765	e_dbg("After fix-ups FlowControl is now = %x\n", hw->fc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	766
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	767	/* Take the 4 bits from EEPROM word 0x0F that determine the initial
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	768	* polarity value for the SW controlled pins, and setup the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	769	* Extended Device Control reg with that info.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	770	* This is needed because one of the SW controlled pins is used for
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	771	* signal detection. So this should be done before e1000_setup_pcs_link()
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	772	* or e1000_phy_setup() is called.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	773	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	774	if (hw->mac_type == e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	775	ret_val = e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	776	1, &eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	777	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	778	e_dbg("EEPROM Read Error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	779	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	780	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	781	ctrl_ext = ((eeprom_data & EEPROM_WORD0F_SWPDIO_EXT) <<
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	782	SWDPIO__EXT_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	783	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	784	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	785
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	786	/* Call the necessary subroutine to configure the link. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	787	ret_val = (hw->media_type == e1000_media_type_copper) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	788	e1000_setup_copper_link(hw) : e1000_setup_fiber_serdes_link(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	789
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	790	/* Initialize the flow control address, type, and PAUSE timer
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	791	* registers to their default values. This is done even if flow
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	792	* control is disabled, because it does not hurt anything to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	793	* initialize these registers.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	794	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	795	e_dbg("Initializing the Flow Control address, type and timer regs\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	796
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	797	ew32(FCT, FLOW_CONTROL_TYPE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	798	ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	799	ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	800
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	801	ew32(FCTTV, hw->fc_pause_time);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	802
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	803	/* Set the flow control receive threshold registers. Normally,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	804	* these registers will be set to a default threshold that may be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	805	* adjusted later by the driver's runtime code. However, if the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	806	* ability to transmit pause frames in not enabled, then these
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	807	* registers will be set to 0.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	808	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	809	if (!(hw->fc & E1000_FC_TX_PAUSE)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	810	ew32(FCRTL, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	811	ew32(FCRTH, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	812	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	813	/* We need to set up the Receive Threshold high and low water marks
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	814	* as well as (optionally) enabling the transmission of XON frames.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	815	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	816	if (hw->fc_send_xon) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	817	ew32(FCRTL, (hw->fc_low_water \| E1000_FCRTL_XONE));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	818	ew32(FCRTH, hw->fc_high_water);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	819	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	820	ew32(FCRTL, hw->fc_low_water);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	821	ew32(FCRTH, hw->fc_high_water);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	822	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	823	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	824	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	825	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	826
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	827	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	828	* e1000_setup_fiber_serdes_link - prepare fiber or serdes link
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	829	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	830	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	831	* Manipulates Physical Coding Sublayer functions in order to configure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	832	* link. Assumes the hardware has been previously reset and the transmitter
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	833	* and receiver are not enabled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	834	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	835	static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	836	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	837	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	838	u32 status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	839	u32 txcw = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	840	u32 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	841	u32 signal = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	842	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	843
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	844	e_dbg("e1000_setup_fiber_serdes_link");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	845
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	846	/* On adapters with a MAC newer than 82544, SWDP 1 will be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	847	* set when the optics detect a signal. On older adapters, it will be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	848	* cleared when there is a signal. This applies to fiber media only.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	849	* If we're on serdes media, adjust the output amplitude to value
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	850	* set in the EEPROM.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	851	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	852	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	853	if (hw->media_type == e1000_media_type_fiber)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	854	signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	855
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	856	ret_val = e1000_adjust_serdes_amplitude(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	857	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	858	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	859
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	860	/* Take the link out of reset */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	861	ctrl &= ~(E1000_CTRL_LRST);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	862
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	863	/* Adjust VCO speed to improve BER performance */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	864	ret_val = e1000_set_vco_speed(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	865	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	866	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	867
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	868	e1000_config_collision_dist(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	869
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	870	/* Check for a software override of the flow control settings, and setup
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	871	* the device accordingly. If auto-negotiation is enabled, then software
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	872	* will have to set the "PAUSE" bits to the correct value in the Tranmsit
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	873	* Config Word Register (TXCW) and re-start auto-negotiation. However, if
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	874	* auto-negotiation is disabled, then software will have to manually
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	875	* configure the two flow control enable bits in the CTRL register.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	876	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	877	* The possible values of the "fc" parameter are:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	878	* 0: Flow control is completely disabled
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	879	* 1: Rx flow control is enabled (we can receive pause frames, but
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	880	* not send pause frames).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	881	* 2: Tx flow control is enabled (we can send pause frames but we do
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	882	* not support receiving pause frames).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	883	* 3: Both Rx and TX flow control (symmetric) are enabled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	884	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	885	switch (hw->fc) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	886	case E1000_FC_NONE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	887	/* Flow control is completely disabled by a software over-ride. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	888	txcw = (E1000_TXCW_ANE \| E1000_TXCW_FD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	889	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	890	case E1000_FC_RX_PAUSE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	891	/* RX Flow control is enabled and TX Flow control is disabled by a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	892	* software over-ride. Since there really isn't a way to advertise
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	893	* that we are capable of RX Pause ONLY, we will advertise that we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	894	* support both symmetric and asymmetric RX PAUSE. Later, we will
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	895	* disable the adapter's ability to send PAUSE frames.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	896	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	897	txcw = (E1000_TXCW_ANE \| E1000_TXCW_FD \| E1000_TXCW_PAUSE_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	898	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	899	case E1000_FC_TX_PAUSE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	900	/* TX Flow control is enabled, and RX Flow control is disabled, by a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	901	* software over-ride.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	902	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	903	txcw = (E1000_TXCW_ANE \| E1000_TXCW_FD \| E1000_TXCW_ASM_DIR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	904	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	905	case E1000_FC_FULL:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	906	/* Flow control (both RX and TX) is enabled by a software over-ride. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	907	txcw = (E1000_TXCW_ANE \| E1000_TXCW_FD \| E1000_TXCW_PAUSE_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	908	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	909	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	910	e_dbg("Flow control param set incorrectly\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	911	return -E1000_ERR_CONFIG;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	912	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	913	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	914
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	915	/* Since auto-negotiation is enabled, take the link out of reset (the link
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	916	* will be in reset, because we previously reset the chip). This will
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	917	* restart auto-negotiation. If auto-negotiation is successful then the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	918	* link-up status bit will be set and the flow control enable bits (RFCE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	919	* and TFCE) will be set according to their negotiated value.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	920	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	921	e_dbg("Auto-negotiation enabled\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	922
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	923	ew32(TXCW, txcw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	924	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	925	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	926
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	927	hw->txcw = txcw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	928	msleep(1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	929
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	930	/* If we have a signal (the cable is plugged in) then poll for a "Link-Up"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	931	* indication in the Device Status Register. Time-out if a link isn't
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	932	* seen in 500 milliseconds seconds (Auto-negotiation should complete in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	933	* less than 500 milliseconds even if the other end is doing it in SW).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	934	* For internal serdes, we just assume a signal is present, then poll.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	935	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	936	if (hw->media_type == e1000_media_type_internal_serdes \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	937	(er32(CTRL) & E1000_CTRL_SWDPIN1) == signal) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	938	e_dbg("Looking for Link\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	939	for (i = 0; i < (LINK_UP_TIMEOUT / 10); i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	940	msleep(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	941	status = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	942	if (status & E1000_STATUS_LU)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	943	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	944	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	945	if (i == (LINK_UP_TIMEOUT / 10)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	946	e_dbg("Never got a valid link from auto-neg!!!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	947	hw->autoneg_failed = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	948	/* AutoNeg failed to achieve a link, so we'll call
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	949	* e1000_check_for_link. This routine will force the link up if
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	950	* we detect a signal. This will allow us to communicate with
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	951	* non-autonegotiating link partners.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	952	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	953	ret_val = e1000_check_for_link(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	954	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	955	e_dbg("Error while checking for link\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	956	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	957	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	958	hw->autoneg_failed = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	959	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	960	hw->autoneg_failed = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	961	e_dbg("Valid Link Found\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	962	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	963	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	964	e_dbg("No Signal Detected\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	965	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	966	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	967	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	968
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	969	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	970	* e1000_copper_link_rtl_setup - Copper link setup for e1000_phy_rtl series.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	971	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	972	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	973	* Commits changes to PHY configuration by calling e1000_phy_reset().
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	974	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	975	static s32 e1000_copper_link_rtl_setup(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	976	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	977	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	978
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	979	/* SW reset the PHY so all changes take effect */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	980	ret_val = e1000_phy_reset(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	981	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	982	e_dbg("Error Resetting the PHY\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	983	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	984	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	985
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	986	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	987	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	988
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	989	static s32 gbe_dhg_phy_setup(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	990	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	991	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	992	u32 ctrl_aux;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	993
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	994	switch (hw->phy_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	995	case e1000_phy_8211:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	996	ret_val = e1000_copper_link_rtl_setup(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	997	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	998	e_dbg("e1000_copper_link_rtl_setup failed!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	999	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1000	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1001	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1002	case e1000_phy_8201:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1003	/* Set RMII mode */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1004	ctrl_aux = er32(CTL_AUX);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1005	ctrl_aux \|= E1000_CTL_AUX_RMII;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1006	ew32(CTL_AUX, ctrl_aux);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1007	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1008
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1009	/* Disable the J/K bits required for receive */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1010	ctrl_aux = er32(CTL_AUX);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1011	ctrl_aux \|= 0x4;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1012	ctrl_aux &= ~0x2;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1013	ew32(CTL_AUX, ctrl_aux);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1014	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1015	ret_val = e1000_copper_link_rtl_setup(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1016
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1017	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1018	e_dbg("e1000_copper_link_rtl_setup failed!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1019	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1020	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1021	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1022	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1023	e_dbg("Error Resetting the PHY\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1024	return E1000_ERR_PHY_TYPE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1025	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1026
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1027	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1028	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1029
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1030	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1031	* e1000_copper_link_preconfig - early configuration for copper
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1032	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1033	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1034	* Make sure we have a valid PHY and change PHY mode before link setup.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1035	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1036	static s32 e1000_copper_link_preconfig(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1037	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1038	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1039	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1040	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1041
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1042	e_dbg("e1000_copper_link_preconfig");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1043
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1044	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1045	/* With 82543, we need to force speed and duplex on the MAC equal to what
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1046	* the PHY speed and duplex configuration is. In addition, we need to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1047	* perform a hardware reset on the PHY to take it out of reset.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1048	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1049	if (hw->mac_type > e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1050	ctrl \|= E1000_CTRL_SLU;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1051	ctrl &= ~(E1000_CTRL_FRCSPD \| E1000_CTRL_FRCDPX);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1052	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1053	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1054	ctrl \|=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1055	(E1000_CTRL_FRCSPD \| E1000_CTRL_FRCDPX \| E1000_CTRL_SLU);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1056	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1057	ret_val = e1000_phy_hw_reset(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1058	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1059	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1060	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1061
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1062	/* Make sure we have a valid PHY */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1063	ret_val = e1000_detect_gig_phy(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1064	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1065	e_dbg("Error, did not detect valid phy.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1066	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1067	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1068	e_dbg("Phy ID = %x\n", hw->phy_id);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1069
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1070	/* Set PHY to class A mode (if necessary) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1071	ret_val = e1000_set_phy_mode(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1072	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1073	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1074
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1075	if ((hw->mac_type == e1000_82545_rev_3) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1076	(hw->mac_type == e1000_82546_rev_3)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1077	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1078	e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1079	phy_data \|= 0x00000008;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1080	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1081	e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1082	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1083
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1084	if (hw->mac_type <= e1000_82543 \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1085	hw->mac_type == e1000_82541 \|\| hw->mac_type == e1000_82547 \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1086	hw->mac_type == e1000_82541_rev_2
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1087	\|\| hw->mac_type == e1000_82547_rev_2)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1088	hw->phy_reset_disable = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1089
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1090	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1091	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1092
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1093	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1094	* e1000_copper_link_igp_setup - Copper link setup for e1000_phy_igp series.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1095	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1096	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1097	static s32 e1000_copper_link_igp_setup(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1098	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1099	u32 led_ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1100	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1101	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1102
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1103	e_dbg("e1000_copper_link_igp_setup");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1104
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1105	if (hw->phy_reset_disable)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1106	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1107
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1108	ret_val = e1000_phy_reset(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1109	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1110	e_dbg("Error Resetting the PHY\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1111	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1112	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1113
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1114	/* Wait 15ms for MAC to configure PHY from eeprom settings */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1115	msleep(15);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1116	/* Configure activity LED after PHY reset */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1117	led_ctrl = er32(LEDCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1118	led_ctrl &= IGP_ACTIVITY_LED_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1119	led_ctrl \|= (IGP_ACTIVITY_LED_ENABLE \| IGP_LED3_MODE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1120	ew32(LEDCTL, led_ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1121
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1122	/* The NVM settings will configure LPLU in D3 for IGP2 and IGP3 PHYs */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1123	if (hw->phy_type == e1000_phy_igp) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1124	/* disable lplu d3 during driver init */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1125	ret_val = e1000_set_d3_lplu_state(hw, false);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1126	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1127	e_dbg("Error Disabling LPLU D3\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1128	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1129	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1130	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1131
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1132	/* Configure mdi-mdix settings */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1133	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1134	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1135	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1136
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1137	if ((hw->mac_type == e1000_82541) \|\| (hw->mac_type == e1000_82547)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1138	hw->dsp_config_state = e1000_dsp_config_disabled;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1139	/* Force MDI for earlier revs of the IGP PHY */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1140	phy_data &=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1141	~(IGP01E1000_PSCR_AUTO_MDIX \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1142	IGP01E1000_PSCR_FORCE_MDI_MDIX);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1143	hw->mdix = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1144
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1145	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1146	hw->dsp_config_state = e1000_dsp_config_enabled;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1147	phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1148
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1149	switch (hw->mdix) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1150	case 1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1151	phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1152	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1153	case 2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1154	phy_data \|= IGP01E1000_PSCR_FORCE_MDI_MDIX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1155	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1156	case 0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1157	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1158	phy_data \|= IGP01E1000_PSCR_AUTO_MDIX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1159	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1160	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1161	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1162	ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1163	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1164	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1165
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1166	/* set auto-master slave resolution settings */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1167	if (hw->autoneg) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1168	e1000_ms_type phy_ms_setting = hw->master_slave;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1169
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1170	if (hw->ffe_config_state == e1000_ffe_config_active)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1171	hw->ffe_config_state = e1000_ffe_config_enabled;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1172
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1173	if (hw->dsp_config_state == e1000_dsp_config_activated)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1174	hw->dsp_config_state = e1000_dsp_config_enabled;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1175
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1176	/* when autonegotiation advertisement is only 1000Mbps then we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1177	* should disable SmartSpeed and enable Auto MasterSlave
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1178	* resolution as hardware default. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1179	if (hw->autoneg_advertised == ADVERTISE_1000_FULL) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1180	/* Disable SmartSpeed */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1181	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1182	e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1183	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1184	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1185	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1186	phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1187	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1188	e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1189	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1190	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1191	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1192	/* Set auto Master/Slave resolution process */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1193	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1194	e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1195	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1196	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1197	phy_data &= ~CR_1000T_MS_ENABLE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1198	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1199	e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1200	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1201	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1202	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1203
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1204	ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1205	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1206	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1207
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1208	/* load defaults for future use */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1209	hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1210	((phy_data & CR_1000T_MS_VALUE) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1211	e1000_ms_force_master :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1212	e1000_ms_force_slave) : e1000_ms_auto;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1213
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1214	switch (phy_ms_setting) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1215	case e1000_ms_force_master:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1216	phy_data \|= (CR_1000T_MS_ENABLE \| CR_1000T_MS_VALUE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1217	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1218	case e1000_ms_force_slave:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1219	phy_data \|= CR_1000T_MS_ENABLE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1220	phy_data &= ~(CR_1000T_MS_VALUE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1221	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1222	case e1000_ms_auto:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1223	phy_data &= ~CR_1000T_MS_ENABLE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1224	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1225	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1226	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1227	ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1228	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1229	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1230	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1231
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1232	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1233	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1234
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1235	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1236	* e1000_copper_link_mgp_setup - Copper link setup for e1000_phy_m88 series.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1237	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1238	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1239	static s32 e1000_copper_link_mgp_setup(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1240	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1241	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1242	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1243
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1244	e_dbg("e1000_copper_link_mgp_setup");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1245
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1246	if (hw->phy_reset_disable)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1247	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1248
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1249	/* Enable CRS on TX. This must be set for half-duplex operation. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1250	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1251	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1252	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1253
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1254	phy_data \|= M88E1000_PSCR_ASSERT_CRS_ON_TX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1255
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1256	/* Options:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1257	* MDI/MDI-X = 0 (default)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1258	* 0 - Auto for all speeds
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1259	* 1 - MDI mode
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1260	* 2 - MDI-X mode
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1261	* 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1262	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1263	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1264
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1265	switch (hw->mdix) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1266	case 1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1267	phy_data \|= M88E1000_PSCR_MDI_MANUAL_MODE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1268	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1269	case 2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1270	phy_data \|= M88E1000_PSCR_MDIX_MANUAL_MODE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1271	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1272	case 3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1273	phy_data \|= M88E1000_PSCR_AUTO_X_1000T;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1274	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1275	case 0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1276	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1277	phy_data \|= M88E1000_PSCR_AUTO_X_MODE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1278	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1279	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1280
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1281	/* Options:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1282	* disable_polarity_correction = 0 (default)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1283	* Automatic Correction for Reversed Cable Polarity
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1284	* 0 - Disabled
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1285	* 1 - Enabled
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1286	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1287	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1288	if (hw->disable_polarity_correction == 1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1289	phy_data \|= M88E1000_PSCR_POLARITY_REVERSAL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1290	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1291	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1292	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1293
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1294	if (hw->phy_revision < M88E1011_I_REV_4) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1295	/* Force TX_CLK in the Extended PHY Specific Control Register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1296	* to 25MHz clock.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1297	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1298	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1299	e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1300	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1301	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1302	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1303
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1304	phy_data \|= M88E1000_EPSCR_TX_CLK_25;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1305
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1306	if ((hw->phy_revision == E1000_REVISION_2) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1307	(hw->phy_id == M88E1111_I_PHY_ID)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1308	/* Vidalia Phy, set the downshift counter to 5x */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1309	phy_data &= ~(M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1310	phy_data \|= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1311	ret_val = e1000_write_phy_reg(hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1312	M88E1000_EXT_PHY_SPEC_CTRL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1313	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1314	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1315	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1316	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1317	/* Configure Master and Slave downshift values */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1318	phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1319	M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1320	phy_data \|= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1321	M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1322	ret_val = e1000_write_phy_reg(hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1323	M88E1000_EXT_PHY_SPEC_CTRL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1324	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1325	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1326	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1327	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1328	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1329
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1330	/* SW Reset the PHY so all changes take effect */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1331	ret_val = e1000_phy_reset(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1332	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1333	e_dbg("Error Resetting the PHY\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1334	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1335	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1336
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1337	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1338	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1339
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1340	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1341	* e1000_copper_link_autoneg - setup auto-neg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1342	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1343	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1344	* Setup auto-negotiation and flow control advertisements,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1345	* and then perform auto-negotiation.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1346	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1347	static s32 e1000_copper_link_autoneg(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1348	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1349	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1350	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1351
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1352	e_dbg("e1000_copper_link_autoneg");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1353
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1354	/* Perform some bounds checking on the hw->autoneg_advertised
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1355	* parameter. If this variable is zero, then set it to the default.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1356	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1357	hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1358
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1359	/* If autoneg_advertised is zero, we assume it was not defaulted
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1360	* by the calling code so we set to advertise full capability.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1361	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1362	if (hw->autoneg_advertised == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1363	hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1364
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1365	/* IFE/RTL8201N PHY only supports 10/100 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1366	if (hw->phy_type == e1000_phy_8201)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1367	hw->autoneg_advertised &= AUTONEG_ADVERTISE_10_100_ALL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1368
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1369	e_dbg("Reconfiguring auto-neg advertisement params\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1370	ret_val = e1000_phy_setup_autoneg(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1371	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1372	e_dbg("Error Setting up Auto-Negotiation\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1373	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1374	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1375	e_dbg("Restarting Auto-Neg\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1376
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1377	/* Restart auto-negotiation by setting the Auto Neg Enable bit and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1378	* the Auto Neg Restart bit in the PHY control register.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1379	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1380	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1381	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1382	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1383
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1384	phy_data \|= (MII_CR_AUTO_NEG_EN \| MII_CR_RESTART_AUTO_NEG);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1385	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1386	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1387	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1388
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1389	/* Does the user want to wait for Auto-Neg to complete here, or
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1390	* check at a later time (for example, callback routine).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1391	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1392	if (hw->wait_autoneg_complete) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1393	ret_val = e1000_wait_autoneg(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1394	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1395	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1396	("Error while waiting for autoneg to complete\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1397	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1398	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1399	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1400
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1401	hw->get_link_status = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1402
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1403	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1404	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1405
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1406	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1407	* e1000_copper_link_postconfig - post link setup
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1408	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1409	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1410	* Config the MAC and the PHY after link is up.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1411	* 1) Set up the MAC to the current PHY speed/duplex
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1412	* if we are on 82543. If we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1413	* are on newer silicon, we only need to configure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1414	* collision distance in the Transmit Control Register.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1415	* 2) Set up flow control on the MAC to that established with
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1416	* the link partner.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1417	* 3) Config DSP to improve Gigabit link quality for some PHY revisions.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1418	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1419	static s32 e1000_copper_link_postconfig(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1420	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1421	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1422	e_dbg("e1000_copper_link_postconfig");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1423
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1424	if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1425	e1000_config_collision_dist(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1426	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1427	ret_val = e1000_config_mac_to_phy(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1428	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1429	e_dbg("Error configuring MAC to PHY settings\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1430	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1431	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1432	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1433	ret_val = e1000_config_fc_after_link_up(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1434	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1435	e_dbg("Error Configuring Flow Control\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1436	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1437	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1438
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1439	/* Config DSP to improve Giga link quality */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1440	if (hw->phy_type == e1000_phy_igp) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1441	ret_val = e1000_config_dsp_after_link_change(hw, true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1442	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1443	e_dbg("Error Configuring DSP after link up\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1444	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1445	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1446	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1447
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1448	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1449	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1450
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1451	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1452	* e1000_setup_copper_link - phy/speed/duplex setting
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1453	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1454	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1455	* Detects which PHY is present and sets up the speed and duplex
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1456	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1457	static s32 e1000_setup_copper_link(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1458	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1459	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1460	u16 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1461	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1462
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1463	e_dbg("e1000_setup_copper_link");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1464
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1465	/* Check if it is a valid PHY and set PHY mode if necessary. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1466	ret_val = e1000_copper_link_preconfig(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1467	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1468	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1469
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1470	if (hw->phy_type == e1000_phy_igp) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1471	ret_val = e1000_copper_link_igp_setup(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1472	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1473	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1474	} else if (hw->phy_type == e1000_phy_m88) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1475	ret_val = e1000_copper_link_mgp_setup(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1476	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1477	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1478	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1479	ret_val = gbe_dhg_phy_setup(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1480	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1481	e_dbg("gbe_dhg_phy_setup failed!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1482	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1483	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1484	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1485
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1486	if (hw->autoneg) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1487	/* Setup autoneg and flow control advertisement
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1488	* and perform autonegotiation */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1489	ret_val = e1000_copper_link_autoneg(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1490	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1491	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1492	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1493	/* PHY will be set to 10H, 10F, 100H,or 100F
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1494	* depending on value from forced_speed_duplex. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1495	e_dbg("Forcing speed and duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1496	ret_val = e1000_phy_force_speed_duplex(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1497	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1498	e_dbg("Error Forcing Speed and Duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1499	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1500	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1501	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1502
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1503	/* Check link status. Wait up to 100 microseconds for link to become
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1504	* valid.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1505	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1506	for (i = 0; i < 10; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1507	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1508	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1509	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1510	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1511	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1512	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1513
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1514	if (phy_data & MII_SR_LINK_STATUS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1515	/* Config the MAC and PHY after link is up */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1516	ret_val = e1000_copper_link_postconfig(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1517	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1518	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1519
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1520	e_dbg("Valid link established!!!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1521	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1522	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1523	udelay(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1524	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1525
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1526	e_dbg("Unable to establish link!!!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1527	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1528	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1529
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1530	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1531	* e1000_phy_setup_autoneg - phy settings
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1532	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1533	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1534	* Configures PHY autoneg and flow control advertisement settings
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1535	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1536	s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1537	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1538	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1539	u16 mii_autoneg_adv_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1540	u16 mii_1000t_ctrl_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1541
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1542	e_dbg("e1000_phy_setup_autoneg");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1543
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1544	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1545	ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1546	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1547	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1548
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1549	/* Read the MII 1000Base-T Control Register (Address 9). */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1550	ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1551	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1552	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1553	else if (hw->phy_type == e1000_phy_8201)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1554	mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1555
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1556	/* Need to parse both autoneg_advertised and fc and set up
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1557	* the appropriate PHY registers. First we will parse for
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1558	* autoneg_advertised software override. Since we can advertise
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1559	* a plethora of combinations, we need to check each bit
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1560	* individually.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1561	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1562
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1563	/* First we clear all the 10/100 mb speed bits in the Auto-Neg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1564	* Advertisement Register (Address 4) and the 1000 mb speed bits in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1565	* the 1000Base-T Control Register (Address 9).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1566	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1567	mii_autoneg_adv_reg &= ~REG4_SPEED_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1568	mii_1000t_ctrl_reg &= ~REG9_SPEED_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1569
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1570	e_dbg("autoneg_advertised %x\n", hw->autoneg_advertised);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1571
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1572	/* Do we want to advertise 10 Mb Half Duplex? */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1573	if (hw->autoneg_advertised & ADVERTISE_10_HALF) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1574	e_dbg("Advertise 10mb Half duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1575	mii_autoneg_adv_reg \|= NWAY_AR_10T_HD_CAPS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1576	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1577
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1578	/* Do we want to advertise 10 Mb Full Duplex? */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1579	if (hw->autoneg_advertised & ADVERTISE_10_FULL) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1580	e_dbg("Advertise 10mb Full duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1581	mii_autoneg_adv_reg \|= NWAY_AR_10T_FD_CAPS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1582	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1583
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1584	/* Do we want to advertise 100 Mb Half Duplex? */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1585	if (hw->autoneg_advertised & ADVERTISE_100_HALF) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1586	e_dbg("Advertise 100mb Half duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1587	mii_autoneg_adv_reg \|= NWAY_AR_100TX_HD_CAPS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1588	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1589
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1590	/* Do we want to advertise 100 Mb Full Duplex? */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1591	if (hw->autoneg_advertised & ADVERTISE_100_FULL) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1592	e_dbg("Advertise 100mb Full duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1593	mii_autoneg_adv_reg \|= NWAY_AR_100TX_FD_CAPS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1594	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1595
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1596	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1597	if (hw->autoneg_advertised & ADVERTISE_1000_HALF) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1598	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1599	("Advertise 1000mb Half duplex requested, request denied!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1600	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1601
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1602	/* Do we want to advertise 1000 Mb Full Duplex? */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1603	if (hw->autoneg_advertised & ADVERTISE_1000_FULL) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1604	e_dbg("Advertise 1000mb Full duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1605	mii_1000t_ctrl_reg \|= CR_1000T_FD_CAPS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1606	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1607
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1608	/* Check for a software override of the flow control settings, and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1609	* setup the PHY advertisement registers accordingly. If
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1610	* auto-negotiation is enabled, then software will have to set the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1611	* "PAUSE" bits to the correct value in the Auto-Negotiation
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1612	* Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-negotiation.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1613	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1614	* The possible values of the "fc" parameter are:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1615	* 0: Flow control is completely disabled
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1616	* 1: Rx flow control is enabled (we can receive pause frames
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1617	* but not send pause frames).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1618	* 2: Tx flow control is enabled (we can send pause frames
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1619	* but we do not support receiving pause frames).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1620	* 3: Both Rx and TX flow control (symmetric) are enabled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1621	* other: No software override. The flow control configuration
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1622	* in the EEPROM is used.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1623	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1624	switch (hw->fc) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1625	case E1000_FC_NONE: /* 0 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1626	/* Flow control (RX & TX) is completely disabled by a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1627	* software over-ride.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1628	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1629	mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR \| NWAY_AR_PAUSE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1630	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1631	case E1000_FC_RX_PAUSE: /* 1 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1632	/* RX Flow control is enabled, and TX Flow control is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1633	* disabled, by a software over-ride.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1634	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1635	/* Since there really isn't a way to advertise that we are
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1636	* capable of RX Pause ONLY, we will advertise that we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1637	* support both symmetric and asymmetric RX PAUSE. Later
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1638	* (in e1000_config_fc_after_link_up) we will disable the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1639	*hw's ability to send PAUSE frames.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1640	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1641	mii_autoneg_adv_reg \|= (NWAY_AR_ASM_DIR \| NWAY_AR_PAUSE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1642	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1643	case E1000_FC_TX_PAUSE: /* 2 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1644	/* TX Flow control is enabled, and RX Flow control is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1645	* disabled, by a software over-ride.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1646	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1647	mii_autoneg_adv_reg \|= NWAY_AR_ASM_DIR;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1648	mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1649	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1650	case E1000_FC_FULL: /* 3 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1651	/* Flow control (both RX and TX) is enabled by a software
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1652	* over-ride.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1653	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1654	mii_autoneg_adv_reg \|= (NWAY_AR_ASM_DIR \| NWAY_AR_PAUSE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1655	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1656	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1657	e_dbg("Flow control param set incorrectly\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1658	return -E1000_ERR_CONFIG;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1659	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1660
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1661	ret_val = e1000_write_phy_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1662	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1663	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1664
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1665	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1666
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1667	if (hw->phy_type == e1000_phy_8201) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1668	mii_1000t_ctrl_reg = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1669	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1670	ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1671	mii_1000t_ctrl_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1672	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1673	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1674	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1675
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1676	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1677	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1678
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1679	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1680	* e1000_phy_force_speed_duplex - force link settings
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1681	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1682	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1683	* Force PHY speed and duplex settings to hw->forced_speed_duplex
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1684	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1685	static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1686	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1687	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1688	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1689	u16 mii_ctrl_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1690	u16 mii_status_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1691	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1692	u16 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1693
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1694	e_dbg("e1000_phy_force_speed_duplex");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1695
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1696	/* Turn off Flow control if we are forcing speed and duplex. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1697	hw->fc = E1000_FC_NONE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1698
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1699	e_dbg("hw->fc = %d\n", hw->fc);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1700
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1701	/* Read the Device Control Register. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1702	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1703
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1704	/* Set the bits to Force Speed and Duplex in the Device Ctrl Reg. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1705	ctrl \|= (E1000_CTRL_FRCSPD \| E1000_CTRL_FRCDPX);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1706	ctrl &= ~(DEVICE_SPEED_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1707
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1708	/* Clear the Auto Speed Detect Enable bit. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1709	ctrl &= ~E1000_CTRL_ASDE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1710
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1711	/* Read the MII Control Register. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1712	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &mii_ctrl_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1713	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1714	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1715
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1716	/* We need to disable autoneg in order to force link and duplex. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1717
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1718	mii_ctrl_reg &= ~MII_CR_AUTO_NEG_EN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1719
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1720	/* Are we forcing Full or Half Duplex? */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1721	if (hw->forced_speed_duplex == e1000_100_full \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1722	hw->forced_speed_duplex == e1000_10_full) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1723	/* We want to force full duplex so we SET the full duplex bits in the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1724	* Device and MII Control Registers.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1725	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1726	ctrl \|= E1000_CTRL_FD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1727	mii_ctrl_reg \|= MII_CR_FULL_DUPLEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1728	e_dbg("Full Duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1729	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1730	/* We want to force half duplex so we CLEAR the full duplex bits in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1731	* the Device and MII Control Registers.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1732	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1733	ctrl &= ~E1000_CTRL_FD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1734	mii_ctrl_reg &= ~MII_CR_FULL_DUPLEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1735	e_dbg("Half Duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1736	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1737
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1738	/* Are we forcing 100Mbps??? */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1739	if (hw->forced_speed_duplex == e1000_100_full \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1740	hw->forced_speed_duplex == e1000_100_half) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1741	/* Set the 100Mb bit and turn off the 1000Mb and 10Mb bits. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1742	ctrl \|= E1000_CTRL_SPD_100;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1743	mii_ctrl_reg \|= MII_CR_SPEED_100;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1744	mii_ctrl_reg &= ~(MII_CR_SPEED_1000 \| MII_CR_SPEED_10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1745	e_dbg("Forcing 100mb ");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1746	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1747	/* Set the 10Mb bit and turn off the 1000Mb and 100Mb bits. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1748	ctrl &= ~(E1000_CTRL_SPD_1000 \| E1000_CTRL_SPD_100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1749	mii_ctrl_reg \|= MII_CR_SPEED_10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1750	mii_ctrl_reg &= ~(MII_CR_SPEED_1000 \| MII_CR_SPEED_100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1751	e_dbg("Forcing 10mb ");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1752	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1753
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1754	e1000_config_collision_dist(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1755
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1756	/* Write the configured values back to the Device Control Reg. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1757	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1758
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1759	if (hw->phy_type == e1000_phy_m88) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1760	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1761	e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1762	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1763	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1764
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1765	/* Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1766	* forced whenever speed are duplex are forced.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1767	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1768	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1769	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1770	e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1771	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1772	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1773
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1774	e_dbg("M88E1000 PSCR: %x\n", phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1775
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1776	/* Need to reset the PHY or these changes will be ignored */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1777	mii_ctrl_reg \|= MII_CR_RESET;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1778
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1779	/* Disable MDI-X support for 10/100 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1780	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1781	/* Clear Auto-Crossover to force MDI manually. IGP requires MDI
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1782	* forced whenever speed or duplex are forced.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1783	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1784	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1785	e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1786	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1787	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1788
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1789	phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1790	phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1791
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1792	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1793	e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1794	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1795	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1796	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1797
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1798	/* Write back the modified PHY MII control register. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1799	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, mii_ctrl_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1800	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1801	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1802
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1803	udelay(1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1804
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1805	/* The wait_autoneg_complete flag may be a little misleading here.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1806	* Since we are forcing speed and duplex, Auto-Neg is not enabled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1807	* But we do want to delay for a period while forcing only so we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1808	* don't generate false No Link messages. So we will wait here
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1809	* only if the user has set wait_autoneg_complete to 1, which is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1810	* the default.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1811	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1812	if (hw->wait_autoneg_complete) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1813	/* We will wait for autoneg to complete. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1814	e_dbg("Waiting for forced speed/duplex link.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1815	mii_status_reg = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1816
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1817	/* We will wait for autoneg to complete or 4.5 seconds to expire. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1818	for (i = PHY_FORCE_TIME; i > 0; i--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1819	/* Read the MII Status Register and wait for Auto-Neg Complete bit
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1820	* to be set.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1821	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1822	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1823	e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1824	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1825	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1826
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1827	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1828	e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1829	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1830	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1831
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1832	if (mii_status_reg & MII_SR_LINK_STATUS)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1833	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1834	msleep(100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1835	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1836	if ((i == 0) && (hw->phy_type == e1000_phy_m88)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1837	/* We didn't get link. Reset the DSP and wait again for link. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1838	ret_val = e1000_phy_reset_dsp(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1839	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1840	e_dbg("Error Resetting PHY DSP\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1841	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1842	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1843	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1844	/* This loop will early-out if the link condition has been met. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1845	for (i = PHY_FORCE_TIME; i > 0; i--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1846	if (mii_status_reg & MII_SR_LINK_STATUS)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1847	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1848	msleep(100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1849	/* Read the MII Status Register and wait for Auto-Neg Complete bit
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1850	* to be set.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1851	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1852	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1853	e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1854	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1855	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1856
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1857	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1858	e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1859	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1860	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1861	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1862	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1863
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1864	if (hw->phy_type == e1000_phy_m88) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1865	/* Because we reset the PHY above, we need to re-force TX_CLK in the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1866	* Extended PHY Specific Control Register to 25MHz clock. This value
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1867	* defaults back to a 2.5MHz clock when the PHY is reset.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1868	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1869	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1870	e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1871	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1872	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1873	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1874
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1875	phy_data \|= M88E1000_EPSCR_TX_CLK_25;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1876	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1877	e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1878	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1879	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1880	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1881
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1882	/* In addition, because of the s/w reset above, we need to enable CRS on
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1883	* TX. This must be set for both full and half duplex operation.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1884	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1885	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1886	e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1887	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1888	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1889
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1890	phy_data \|= M88E1000_PSCR_ASSERT_CRS_ON_TX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1891	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1892	e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1893	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1894	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1895
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1896	if ((hw->mac_type == e1000_82544 \|\| hw->mac_type == e1000_82543)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1897	&& (!hw->autoneg)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1898	&& (hw->forced_speed_duplex == e1000_10_full
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1899	\|\| hw->forced_speed_duplex == e1000_10_half)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1900	ret_val = e1000_polarity_reversal_workaround(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1901	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1902	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1903	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1904	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1905	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1906	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1907
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1908	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1909	* e1000_config_collision_dist - set collision distance register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1910	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1911	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1912	* Sets the collision distance in the Transmit Control register.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1913	* Link should have been established previously. Reads the speed and duplex
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1914	* information from the Device Status register.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1915	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1916	void e1000_config_collision_dist(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1917	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1918	u32 tctl, coll_dist;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1919
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1920	e_dbg("e1000_config_collision_dist");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1921
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1922	if (hw->mac_type < e1000_82543)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1923	coll_dist = E1000_COLLISION_DISTANCE_82542;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1924	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1925	coll_dist = E1000_COLLISION_DISTANCE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1926
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1927	tctl = er32(TCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1928
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1929	tctl &= ~E1000_TCTL_COLD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1930	tctl \|= coll_dist << E1000_COLD_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1931
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1932	ew32(TCTL, tctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1933	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1934	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1935
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1936	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1937	* e1000_config_mac_to_phy - sync phy and mac settings
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1938	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1939	* @mii_reg: data to write to the MII control register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1940	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1941	* Sets MAC speed and duplex settings to reflect the those in the PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1942	* The contents of the PHY register containing the needed information need to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1943	* be passed in.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1944	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1945	static s32 e1000_config_mac_to_phy(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1946	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1947	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1948	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1949	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1950
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1951	e_dbg("e1000_config_mac_to_phy");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1952
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1953	/* 82544 or newer MAC, Auto Speed Detection takes care of
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1954	* MAC speed/duplex configuration.*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1955	if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1956	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1957
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1958	/* Read the Device Control Register and set the bits to Force Speed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1959	* and Duplex.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1960	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1961	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1962	ctrl \|= (E1000_CTRL_FRCSPD \| E1000_CTRL_FRCDPX);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1963	ctrl &= ~(E1000_CTRL_SPD_SEL \| E1000_CTRL_ILOS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1964
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1965	switch (hw->phy_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1966	case e1000_phy_8201:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1967	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1968	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1969	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1970
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1971	if (phy_data & RTL_PHY_CTRL_FD)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1972	ctrl \|= E1000_CTRL_FD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1973	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1974	ctrl &= ~E1000_CTRL_FD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1975
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1976	if (phy_data & RTL_PHY_CTRL_SPD_100)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1977	ctrl \|= E1000_CTRL_SPD_100;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1978	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1979	ctrl \|= E1000_CTRL_SPD_10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1980
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1981	e1000_config_collision_dist(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1982	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1983	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1984	/* Set up duplex in the Device Control and Transmit Control
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1985	* registers depending on negotiated values.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1986	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1987	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1988	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1989	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1990	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1991
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1992	if (phy_data & M88E1000_PSSR_DPLX)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1993	ctrl \|= E1000_CTRL_FD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1994	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1995	ctrl &= ~E1000_CTRL_FD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1996
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1997	e1000_config_collision_dist(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1998
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	1999	/* Set up speed in the Device Control register depending on
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2000	* negotiated values.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2001	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2002	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2003	ctrl \|= E1000_CTRL_SPD_1000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2004	else if ((phy_data & M88E1000_PSSR_SPEED) ==
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2005	M88E1000_PSSR_100MBS)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2006	ctrl \|= E1000_CTRL_SPD_100;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2007	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2008
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2009	/* Write the configured values back to the Device Control Reg. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2010	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2011	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2012	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2013
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2014	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2015	* e1000_force_mac_fc - force flow control settings
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2016	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2017	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2018	* Forces the MAC's flow control settings.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2019	* Sets the TFCE and RFCE bits in the device control register to reflect
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2020	* the adapter settings. TFCE and RFCE need to be explicitly set by
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2021	* software when a Copper PHY is used because autonegotiation is managed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2022	* by the PHY rather than the MAC. Software must also configure these
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2023	* bits when link is forced on a fiber connection.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2024	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2025	s32 e1000_force_mac_fc(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2026	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2027	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2028
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2029	e_dbg("e1000_force_mac_fc");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2030
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2031	/* Get the current configuration of the Device Control Register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2032	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2033
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2034	/* Because we didn't get link via the internal auto-negotiation
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2035	* mechanism (we either forced link or we got link via PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2036	* auto-neg), we have to manually enable/disable transmit an
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2037	* receive flow control.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2038	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2039	* The "Case" statement below enables/disable flow control
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2040	* according to the "hw->fc" parameter.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2041	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2042	* The possible values of the "fc" parameter are:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2043	* 0: Flow control is completely disabled
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2044	* 1: Rx flow control is enabled (we can receive pause
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2045	* frames but not send pause frames).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2046	* 2: Tx flow control is enabled (we can send pause frames
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2047	* frames but we do not receive pause frames).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2048	* 3: Both Rx and TX flow control (symmetric) is enabled.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2049	* other: No other values should be possible at this point.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2050	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2051
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2052	switch (hw->fc) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2053	case E1000_FC_NONE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2054	ctrl &= (~(E1000_CTRL_TFCE \| E1000_CTRL_RFCE));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2055	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2056	case E1000_FC_RX_PAUSE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2057	ctrl &= (~E1000_CTRL_TFCE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2058	ctrl \|= E1000_CTRL_RFCE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2059	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2060	case E1000_FC_TX_PAUSE:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2061	ctrl &= (~E1000_CTRL_RFCE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2062	ctrl \|= E1000_CTRL_TFCE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2063	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2064	case E1000_FC_FULL:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2065	ctrl \|= (E1000_CTRL_TFCE \| E1000_CTRL_RFCE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2066	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2067	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2068	e_dbg("Flow control param set incorrectly\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2069	return -E1000_ERR_CONFIG;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2070	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2071
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2072	/* Disable TX Flow Control for 82542 (rev 2.0) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2073	if (hw->mac_type == e1000_82542_rev2_0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2074	ctrl &= (~E1000_CTRL_TFCE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2075
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2076	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2077	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2078	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2079
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2080	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2081	* e1000_config_fc_after_link_up - configure flow control after autoneg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2082	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2083	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2084	* Configures flow control settings after link is established
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2085	* Should be called immediately after a valid link has been established.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2086	* Forces MAC flow control settings if link was forced. When in MII/GMII mode
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2087	* and autonegotiation is enabled, the MAC flow control settings will be set
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2088	* based on the flow control negotiated by the PHY. In TBI mode, the TFCE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2089	* and RFCE bits will be automatically set to the negotiated flow control mode.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2090	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2091	static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2092	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2093	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2094	u16 mii_status_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2095	u16 mii_nway_adv_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2096	u16 mii_nway_lp_ability_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2097	u16 speed;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2098	u16 duplex;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2099
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2100	e_dbg("e1000_config_fc_after_link_up");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2101
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2102	/* Check for the case where we have fiber media and auto-neg failed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2103	* so we had to force link. In this case, we need to force the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2104	* configuration of the MAC to match the "fc" parameter.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2105	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2106	if (((hw->media_type == e1000_media_type_fiber) && (hw->autoneg_failed))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2107	\|\| ((hw->media_type == e1000_media_type_internal_serdes)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2108	&& (hw->autoneg_failed))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2109	\|\| ((hw->media_type == e1000_media_type_copper)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2110	&& (!hw->autoneg))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2111	ret_val = e1000_force_mac_fc(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2112	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2113	e_dbg("Error forcing flow control settings\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2114	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2115	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2116	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2117
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2118	/* Check for the case where we have copper media and auto-neg is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2119	* enabled. In this case, we need to check and see if Auto-Neg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2120	* has completed, and if so, how the PHY and link partner has
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2121	* flow control configured.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2122	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2123	if ((hw->media_type == e1000_media_type_copper) && hw->autoneg) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2124	/* Read the MII Status Register and check to see if AutoNeg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2125	* has completed. We read this twice because this reg has
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2126	* some "sticky" (latched) bits.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2127	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2128	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2129	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2130	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2131	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2132	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2133	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2134
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2135	if (mii_status_reg & MII_SR_AUTONEG_COMPLETE) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2136	/* The AutoNeg process has completed, so we now need to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2137	* read both the Auto Negotiation Advertisement Register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2138	* (Address 4) and the Auto_Negotiation Base Page Ability
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2139	* Register (Address 5) to determine how flow control was
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2140	* negotiated.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2141	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2142	ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2143	&mii_nway_adv_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2144	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2145	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2146	ret_val = e1000_read_phy_reg(hw, PHY_LP_ABILITY,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2147	&mii_nway_lp_ability_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2148	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2149	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2150
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2151	/* Two bits in the Auto Negotiation Advertisement Register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2152	* (Address 4) and two bits in the Auto Negotiation Base
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2153	* Page Ability Register (Address 5) determine flow control
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2154	* for both the PHY and the link partner. The following
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2155	* table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2156	* 1999, describes these PAUSE resolution bits and how flow
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2157	* control is determined based upon these settings.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2158	* NOTE: DC = Don't Care
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2159	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2160	* LOCAL DEVICE \| LINK PARTNER
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2161	* PAUSE \| ASM_DIR \| PAUSE \| ASM_DIR \| NIC Resolution
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2162	*-------\|---------\|-------\|---------\|--------------------
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2163	* 0 \| 0 \| DC \| DC \| E1000_FC_NONE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2164	* 0 \| 1 \| 0 \| DC \| E1000_FC_NONE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2165	* 0 \| 1 \| 1 \| 0 \| E1000_FC_NONE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2166	* 0 \| 1 \| 1 \| 1 \| E1000_FC_TX_PAUSE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2167	* 1 \| 0 \| 0 \| DC \| E1000_FC_NONE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2168	* 1 \| DC \| 1 \| DC \| E1000_FC_FULL
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2169	* 1 \| 1 \| 0 \| 0 \| E1000_FC_NONE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2170	* 1 \| 1 \| 0 \| 1 \| E1000_FC_RX_PAUSE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2171	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2172	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2173	/* Are both PAUSE bits set to 1? If so, this implies
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2174	* Symmetric Flow Control is enabled at both ends. The
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2175	* ASM_DIR bits are irrelevant per the spec.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2176	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2177	* For Symmetric Flow Control:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2178	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2179	* LOCAL DEVICE \| LINK PARTNER
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2180	* PAUSE \| ASM_DIR \| PAUSE \| ASM_DIR \| Result
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2181	*-------\|---------\|-------\|---------\|--------------------
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2182	* 1 \| DC \| 1 \| DC \| E1000_FC_FULL
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2183	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2184	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2185	if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2186	(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2187	/* Now we need to check if the user selected RX ONLY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2188	* of pause frames. In this case, we had to advertise
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2189	* FULL flow control because we could not advertise RX
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2190	* ONLY. Hence, we must now check to see if we need to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2191	* turn OFF the TRANSMISSION of PAUSE frames.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2192	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2193	if (hw->original_fc == E1000_FC_FULL) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2194	hw->fc = E1000_FC_FULL;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2195	e_dbg("Flow Control = FULL.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2196	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2197	hw->fc = E1000_FC_RX_PAUSE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2198	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2199	("Flow Control = RX PAUSE frames only.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2200	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2201	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2202	/* For receiving PAUSE frames ONLY.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2203	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2204	* LOCAL DEVICE \| LINK PARTNER
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2205	* PAUSE \| ASM_DIR \| PAUSE \| ASM_DIR \| Result
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2206	*-------\|---------\|-------\|---------\|--------------------
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2207	* 0 \| 1 \| 1 \| 1 \| E1000_FC_TX_PAUSE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2208	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2209	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2210	else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2211	(mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2212	(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2213	(mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2214	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2215	hw->fc = E1000_FC_TX_PAUSE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2216	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2217	("Flow Control = TX PAUSE frames only.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2218	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2219	/* For transmitting PAUSE frames ONLY.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2220	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2221	* LOCAL DEVICE \| LINK PARTNER
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2222	* PAUSE \| ASM_DIR \| PAUSE \| ASM_DIR \| Result
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2223	*-------\|---------\|-------\|---------\|--------------------
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2224	* 1 \| 1 \| 0 \| 1 \| E1000_FC_RX_PAUSE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2225	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2226	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2227	else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2228	(mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2229	!(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2230	(mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2231	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2232	hw->fc = E1000_FC_RX_PAUSE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2233	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2234	("Flow Control = RX PAUSE frames only.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2235	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2236	/* Per the IEEE spec, at this point flow control should be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2237	* disabled. However, we want to consider that we could
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2238	* be connected to a legacy switch that doesn't advertise
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2239	* desired flow control, but can be forced on the link
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2240	* partner. So if we advertised no flow control, that is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2241	* what we will resolve to. If we advertised some kind of
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2242	* receive capability (Rx Pause Only or Full Flow Control)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2243	* and the link partner advertised none, we will configure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2244	* ourselves to enable Rx Flow Control only. We can do
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2245	* this safely for two reasons: If the link partner really
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2246	* didn't want flow control enabled, and we enable Rx, no
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2247	* harm done since we won't be receiving any PAUSE frames
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2248	* anyway. If the intent on the link partner was to have
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2249	* flow control enabled, then by us enabling RX only, we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2250	* can at least receive pause frames and process them.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2251	* This is a good idea because in most cases, since we are
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2252	* predominantly a server NIC, more times than not we will
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2253	* be asked to delay transmission of packets than asking
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2254	* our link partner to pause transmission of frames.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2255	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2256	else if ((hw->original_fc == E1000_FC_NONE \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2257	hw->original_fc == E1000_FC_TX_PAUSE) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2258	hw->fc_strict_ieee) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2259	hw->fc = E1000_FC_NONE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2260	e_dbg("Flow Control = NONE.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2261	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2262	hw->fc = E1000_FC_RX_PAUSE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2263	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2264	("Flow Control = RX PAUSE frames only.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2265	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2266
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2267	/* Now we need to do one last check... If we auto-
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2268	* negotiated to HALF DUPLEX, flow control should not be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2269	* enabled per IEEE 802.3 spec.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2270	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2271	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2272	e1000_get_speed_and_duplex(hw, &speed, &duplex);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2273	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2274	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2275	("Error getting link speed and duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2276	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2277	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2278
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2279	if (duplex == HALF_DUPLEX)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2280	hw->fc = E1000_FC_NONE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2281
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2282	/* Now we call a subroutine to actually force the MAC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2283	* controller to use the correct flow control settings.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2284	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2285	ret_val = e1000_force_mac_fc(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2286	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2287	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2288	("Error forcing flow control settings\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2289	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2290	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2291	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2292	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2293	("Copper PHY and Auto Neg has not completed.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2294	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2295	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2296	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2297	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2298
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2299	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2300	* e1000_check_for_serdes_link_generic - Check for link (Serdes)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2301	* @hw: pointer to the HW structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2302	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2303	* Checks for link up on the hardware. If link is not up and we have
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2304	* a signal, then we need to force link up.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2305	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2306	static s32 e1000_check_for_serdes_link_generic(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2307	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2308	u32 rxcw;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2309	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2310	u32 status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2311	s32 ret_val = E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2312
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2313	e_dbg("e1000_check_for_serdes_link_generic");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2314
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2315	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2316	status = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2317	rxcw = er32(RXCW);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2318
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2319	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2320	* If we don't have link (auto-negotiation failed or link partner
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2321	* cannot auto-negotiate), and our link partner is not trying to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2322	* auto-negotiate with us (we are receiving idles or data),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2323	* we need to force link up. We also need to give auto-negotiation
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2324	* time to complete.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2325	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2326	/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2327	if ((!(status & E1000_STATUS_LU)) && (!(rxcw & E1000_RXCW_C))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2328	if (hw->autoneg_failed == 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2329	hw->autoneg_failed = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2330	goto out;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2331	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2332	e_dbg("NOT RXing /C/, disable AutoNeg and force link.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2333
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2334	/* Disable auto-negotiation in the TXCW register */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2335	ew32(TXCW, (hw->txcw & ~E1000_TXCW_ANE));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2336
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2337	/* Force link-up and also force full-duplex. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2338	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2339	ctrl \|= (E1000_CTRL_SLU \| E1000_CTRL_FD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2340	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2341
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2342	/* Configure Flow Control after forcing link up. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2343	ret_val = e1000_config_fc_after_link_up(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2344	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2345	e_dbg("Error configuring flow control\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2346	goto out;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2347	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2348	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2349	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2350	* If we are forcing link and we are receiving /C/ ordered
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2351	* sets, re-enable auto-negotiation in the TXCW register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2352	* and disable forced link in the Device Control register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2353	* in an attempt to auto-negotiate with our link partner.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2354	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2355	e_dbg("RXing /C/, enable AutoNeg and stop forcing link.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2356	ew32(TXCW, hw->txcw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2357	ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2358
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2359	hw->serdes_has_link = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2360	} else if (!(E1000_TXCW_ANE & er32(TXCW))) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2361	/*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2362	* If we force link for non-auto-negotiation switch, check
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2363	* link status based on MAC synchronization for internal
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2364	* serdes media type.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2365	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2366	/* SYNCH bit and IV bit are sticky. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2367	udelay(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2368	rxcw = er32(RXCW);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2369	if (rxcw & E1000_RXCW_SYNCH) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2370	if (!(rxcw & E1000_RXCW_IV)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2371	hw->serdes_has_link = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2372	e_dbg("SERDES: Link up - forced.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2373	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2374	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2375	hw->serdes_has_link = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2376	e_dbg("SERDES: Link down - force failed.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2377	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2378	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2379
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2380	if (E1000_TXCW_ANE & er32(TXCW)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2381	status = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2382	if (status & E1000_STATUS_LU) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2383	/* SYNCH bit and IV bit are sticky, so reread rxcw. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2384	udelay(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2385	rxcw = er32(RXCW);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2386	if (rxcw & E1000_RXCW_SYNCH) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2387	if (!(rxcw & E1000_RXCW_IV)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2388	hw->serdes_has_link = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2389	e_dbg("SERDES: Link up - autoneg "
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2390	"completed successfully.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2391	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2392	hw->serdes_has_link = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2393	e_dbg("SERDES: Link down - invalid"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2394	"codewords detected in autoneg.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2395	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2396	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2397	hw->serdes_has_link = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2398	e_dbg("SERDES: Link down - no sync.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2399	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2400	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2401	hw->serdes_has_link = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2402	e_dbg("SERDES: Link down - autoneg failed\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2403	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2404	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2405
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2406	out:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2407	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2408	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2409
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2410	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2411	* e1000_check_for_link
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2412	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2413	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2414	* Checks to see if the link status of the hardware has changed.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2415	* Called by any function that needs to check the link status of the adapter.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2416	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2417	s32 e1000_check_for_link(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2418	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2419	u32 rxcw __attribute__ ((unused)) = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2420	u32 ctrl __attribute__ ((unused));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2421	u32 status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2422	u32 rctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2423	u32 icr;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2424	u32 signal __attribute__ ((unused)) = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2425	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2426	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2427
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2428	e_dbg("e1000_check_for_link");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2429
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2430	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2431	status = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2432
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2433	/* On adapters with a MAC newer than 82544, SW Definable pin 1 will be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2434	* set when the optics detect a signal. On older adapters, it will be
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2435	* cleared when there is a signal. This applies to fiber media only.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2436	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2437	if ((hw->media_type == e1000_media_type_fiber) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2438	(hw->media_type == e1000_media_type_internal_serdes)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2439	rxcw = er32(RXCW);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2440
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2441	if (hw->media_type == e1000_media_type_fiber) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2442	signal =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2443	(hw->mac_type >
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2444	e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2445	if (status & E1000_STATUS_LU)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2446	hw->get_link_status = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2447	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2448	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2449
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2450	/* If we have a copper PHY then we only want to go out to the PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2451	* registers to see if Auto-Neg has completed and/or if our link
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2452	* status has changed. The get_link_status flag will be set if we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2453	* receive a Link Status Change interrupt or we have Rx Sequence
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2454	* Errors.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2455	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2456	if ((hw->media_type == e1000_media_type_copper) && hw->get_link_status) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2457	/* First we want to see if the MII Status Register reports
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2458	* link. If so, then we want to get the current speed/duplex
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2459	* of the PHY.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2460	* Read the register twice since the link bit is sticky.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2461	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2462	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2463	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2464	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2465	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2466	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2467	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2468
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2469	if (phy_data & MII_SR_LINK_STATUS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2470	hw->get_link_status = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2471	/* Check if there was DownShift, must be checked immediately after
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2472	* link-up */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2473	e1000_check_downshift(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2474
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2475	/* If we are on 82544 or 82543 silicon and speed/duplex
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2476	* are forced to 10H or 10F, then we will implement the polarity
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2477	* reversal workaround. We disable interrupts first, and upon
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2478	* returning, place the devices interrupt state to its previous
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2479	* value except for the link status change interrupt which will
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2480	* happen due to the execution of this workaround.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2481	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2482
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2483	if ((hw->mac_type == e1000_82544
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2484	\|\| hw->mac_type == e1000_82543) && (!hw->autoneg)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2485	&& (hw->forced_speed_duplex == e1000_10_full
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2486	\|\| hw->forced_speed_duplex == e1000_10_half)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2487	ew32(IMC, 0xffffffff);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2488	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2489	e1000_polarity_reversal_workaround(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2490	icr = er32(ICR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2491	ew32(ICS, (icr & ~E1000_ICS_LSC));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2492	ew32(IMS, IMS_ENABLE_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2493	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2494
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2495	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2496	/* No link detected */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2497	e1000_config_dsp_after_link_change(hw, false);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2498	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2499	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2500
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2501	/* If we are forcing speed/duplex, then we simply return since
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2502	* we have already determined whether we have link or not.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2503	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2504	if (!hw->autoneg)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2505	return -E1000_ERR_CONFIG;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2506
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2507	/* optimize the dsp settings for the igp phy */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2508	e1000_config_dsp_after_link_change(hw, true);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2509
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2510	/* We have a M88E1000 PHY and Auto-Neg is enabled. If we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2511	* have Si on board that is 82544 or newer, Auto
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2512	* Speed Detection takes care of MAC speed/duplex
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2513	* configuration. So we only need to configure Collision
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2514	* Distance in the MAC. Otherwise, we need to force
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2515	* speed/duplex on the MAC to the current PHY speed/duplex
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2516	* settings.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2517	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2518	if ((hw->mac_type >= e1000_82544) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2519	(hw->mac_type != e1000_ce4100))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2520	e1000_config_collision_dist(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2521	else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2522	ret_val = e1000_config_mac_to_phy(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2523	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2524	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2525	("Error configuring MAC to PHY settings\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2526	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2527	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2528	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2529
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2530	/* Configure Flow Control now that Auto-Neg has completed. First, we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2531	* need to restore the desired flow control settings because we may
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2532	* have had to re-autoneg with a different link partner.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2533	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2534	ret_val = e1000_config_fc_after_link_up(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2535	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2536	e_dbg("Error configuring flow control\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2537	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2538	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2539
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2540	/* At this point we know that we are on copper and we have
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2541	* auto-negotiated link. These are conditions for checking the link
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2542	* partner capability register. We use the link speed to determine if
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2543	* TBI compatibility needs to be turned on or off. If the link is not
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2544	* at gigabit speed, then TBI compatibility is not needed. If we are
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2545	* at gigabit speed, we turn on TBI compatibility.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2546	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2547	if (hw->tbi_compatibility_en) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2548	u16 speed, duplex;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2549	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2550	e1000_get_speed_and_duplex(hw, &speed, &duplex);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2551	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2552	e_dbg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2553	("Error getting link speed and duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2554	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2555	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2556	if (speed != SPEED_1000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2557	/* If link speed is not set to gigabit speed, we do not need
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2558	* to enable TBI compatibility.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2559	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2560	if (hw->tbi_compatibility_on) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2561	/* If we previously were in the mode, turn it off. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2562	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2563	rctl &= ~E1000_RCTL_SBP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2564	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2565	hw->tbi_compatibility_on = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2566	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2567	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2568	/* If TBI compatibility is was previously off, turn it on. For
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2569	* compatibility with a TBI link partner, we will store bad
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2570	* packets. Some frames have an additional byte on the end and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2571	* will look like CRC errors to to the hardware.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2572	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2573	if (!hw->tbi_compatibility_on) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2574	hw->tbi_compatibility_on = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2575	rctl = er32(RCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2576	rctl \|= E1000_RCTL_SBP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2577	ew32(RCTL, rctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2578	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2579	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2580	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2581	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2582
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2583	if ((hw->media_type == e1000_media_type_fiber) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2584	(hw->media_type == e1000_media_type_internal_serdes))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2585	e1000_check_for_serdes_link_generic(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2586
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2587	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2588	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2589
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2590	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2591	* e1000_get_speed_and_duplex
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2592	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2593	* @speed: Speed of the connection
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2594	* @duplex: Duplex setting of the connection
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2595	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2596	* Detects the current speed and duplex settings of the hardware.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2597	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2598	s32 e1000_get_speed_and_duplex(struct e1000_hw hw, u16 speed, u16 *duplex)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2599	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2600	u32 status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2601	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2602	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2603
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2604	e_dbg("e1000_get_speed_and_duplex");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2605
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2606	if (hw->mac_type >= e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2607	status = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2608	if (status & E1000_STATUS_SPEED_1000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2609	*speed = SPEED_1000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2610	e_dbg("1000 Mbs, ");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2611	} else if (status & E1000_STATUS_SPEED_100) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2612	*speed = SPEED_100;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2613	e_dbg("100 Mbs, ");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2614	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2615	*speed = SPEED_10;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2616	e_dbg("10 Mbs, ");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2617	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2618
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2619	if (status & E1000_STATUS_FD) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2620	*duplex = FULL_DUPLEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2621	e_dbg("Full Duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2622	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2623	*duplex = HALF_DUPLEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2624	e_dbg(" Half Duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2625	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2626	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2627	e_dbg("1000 Mbs, Full Duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2628	*speed = SPEED_1000;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2629	*duplex = FULL_DUPLEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2630	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2631
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2632	/* IGP01 PHY may advertise full duplex operation after speed downgrade even
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2633	* if it is operating at half duplex. Here we set the duplex settings to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2634	* match the duplex in the link partner's capabilities.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2635	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2636	if (hw->phy_type == e1000_phy_igp && hw->speed_downgraded) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2637	ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_EXP, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2638	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2639	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2640
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2641	if (!(phy_data & NWAY_ER_LP_NWAY_CAPS))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2642	*duplex = HALF_DUPLEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2643	else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2644	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2645	e1000_read_phy_reg(hw, PHY_LP_ABILITY, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2646	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2647	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2648	if ((*speed == SPEED_100
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2649	&& !(phy_data & NWAY_LPAR_100TX_FD_CAPS))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2650	\|\| (*speed == SPEED_10
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2651	&& !(phy_data & NWAY_LPAR_10T_FD_CAPS)))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2652	*duplex = HALF_DUPLEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2653	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2654	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2655
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2656	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2657	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2658
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2659	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2660	* e1000_wait_autoneg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2661	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2662	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2663	* Blocks until autoneg completes or times out (~4.5 seconds)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2664	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2665	static s32 e1000_wait_autoneg(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2666	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2667	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2668	u16 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2669	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2670
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2671	e_dbg("e1000_wait_autoneg");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2672	e_dbg("Waiting for Auto-Neg to complete.\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2673
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2674	/* We will wait for autoneg to complete or 4.5 seconds to expire. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2675	for (i = PHY_AUTO_NEG_TIME; i > 0; i--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2676	/* Read the MII Status Register and wait for Auto-Neg
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2677	* Complete bit to be set.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2678	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2679	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2680	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2681	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2682	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2683	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2684	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2685	if (phy_data & MII_SR_AUTONEG_COMPLETE) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2686	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2687	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2688	msleep(100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2689	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2690	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2691	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2692
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2693	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2694	* e1000_raise_mdi_clk - Raises the Management Data Clock
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2695	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2696	* @ctrl: Device control register's current value
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2697	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2698	static void e1000_raise_mdi_clk(struct e1000_hw hw, u32 ctrl)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2699	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2700	/* Raise the clock input to the Management Data Clock (by setting the MDC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2701	* bit), and then delay 10 microseconds.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2702	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2703	ew32(CTRL, (*ctrl \| E1000_CTRL_MDC));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2704	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2705	udelay(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2706	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2707
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2708	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2709	* e1000_lower_mdi_clk - Lowers the Management Data Clock
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2710	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2711	* @ctrl: Device control register's current value
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2712	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2713	static void e1000_lower_mdi_clk(struct e1000_hw hw, u32 ctrl)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2714	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2715	/* Lower the clock input to the Management Data Clock (by clearing the MDC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2716	* bit), and then delay 10 microseconds.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2717	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2718	ew32(CTRL, (*ctrl & ~E1000_CTRL_MDC));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2719	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2720	udelay(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2721	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2722
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2723	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2724	* e1000_shift_out_mdi_bits - Shifts data bits out to the PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2725	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2726	* @data: Data to send out to the PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2727	* @count: Number of bits to shift out
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2728	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2729	* Bits are shifted out in MSB to LSB order.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2730	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2731	static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data, u16 count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2732	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2733	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2734	u32 mask;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2735
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2736	/* We need to shift "count" number of bits out to the PHY. So, the value
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2737	* in the "data" parameter will be shifted out to the PHY one bit at a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2738	* time. In order to do this, "data" must be broken down into bits.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2739	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2740	mask = 0x01;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2741	mask <<= (count - 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2742
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2743	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2744
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2745	/* Set MDIO_DIR and MDC_DIR direction bits to be used as output pins. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2746	ctrl \|= (E1000_CTRL_MDIO_DIR \| E1000_CTRL_MDC_DIR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2747
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2748	while (mask) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2749	/* A "1" is shifted out to the PHY by setting the MDIO bit to "1" and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2750	* then raising and lowering the Management Data Clock. A "0" is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2751	* shifted out to the PHY by setting the MDIO bit to "0" and then
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2752	* raising and lowering the clock.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2753	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2754	if (data & mask)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2755	ctrl \|= E1000_CTRL_MDIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2756	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2757	ctrl &= ~E1000_CTRL_MDIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2758
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2759	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2760	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2761
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2762	udelay(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2763
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2764	e1000_raise_mdi_clk(hw, &ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2765	e1000_lower_mdi_clk(hw, &ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2766
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2767	mask = mask >> 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2768	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2769	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2770
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2771	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2772	* e1000_shift_in_mdi_bits - Shifts data bits in from the PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2773	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2774	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2775	* Bits are shifted in in MSB to LSB order.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2776	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2777	static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2778	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2779	u32 ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2780	u16 data = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2781	u8 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2782
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2783	/* In order to read a register from the PHY, we need to shift in a total
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2784	* of 18 bits from the PHY. The first two bit (turnaround) times are used
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2785	* to avoid contention on the MDIO pin when a read operation is performed.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2786	* These two bits are ignored by us and thrown away. Bits are "shifted in"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2787	* by raising the input to the Management Data Clock (setting the MDC bit),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2788	* and then reading the value of the MDIO bit.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2789	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2790	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2791
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2792	/* Clear MDIO_DIR (SWDPIO1) to indicate this bit is to be used as input. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2793	ctrl &= ~E1000_CTRL_MDIO_DIR;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2794	ctrl &= ~E1000_CTRL_MDIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2795
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2796	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2797	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2798
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2799	/* Raise and Lower the clock before reading in the data. This accounts for
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2800	* the turnaround bits. The first clock occurred when we clocked out the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2801	* last bit of the Register Address.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2802	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2803	e1000_raise_mdi_clk(hw, &ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2804	e1000_lower_mdi_clk(hw, &ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2805
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2806	for (data = 0, i = 0; i < 16; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2807	data = data << 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2808	e1000_raise_mdi_clk(hw, &ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2809	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2810	/* Check to see if we shifted in a "1". */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2811	if (ctrl & E1000_CTRL_MDIO)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2812	data \|= 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2813	e1000_lower_mdi_clk(hw, &ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2814	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2815
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2816	e1000_raise_mdi_clk(hw, &ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2817	e1000_lower_mdi_clk(hw, &ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2818
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2819	return data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2820	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2821
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2822
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2823	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2824	* e1000_read_phy_reg - read a phy register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2825	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2826	* @reg_addr: address of the PHY register to read
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2827	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2828	* Reads the value from a PHY register, if the value is on a specific non zero
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2829	* page, sets the page first.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2830	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2831	s32 e1000_read_phy_reg(struct e1000_hw hw, u32 reg_addr, u16 phy_data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2832	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2833	u32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2834	unsigned long flags;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2835
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2836	e_dbg("e1000_read_phy_reg");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2837
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2838	spin_lock_irqsave(&e1000_phy_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2839
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2840	if ((hw->phy_type == e1000_phy_igp) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2841	(reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2842	ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2843	(u16) reg_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2844	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2845	spin_unlock_irqrestore(&e1000_phy_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2846	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2847	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2848	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2849
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2850	ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2851	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2852	spin_unlock_irqrestore(&e1000_phy_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2853
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2854	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2855	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2856
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2857	static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2858	u16 *phy_data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2859	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2860	u32 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2861	u32 mdic = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2862	const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2863
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2864	e_dbg("e1000_read_phy_reg_ex");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2865
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2866	if (reg_addr > MAX_PHY_REG_ADDRESS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2867	e_dbg("PHY Address %d is out of range\n", reg_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2868	return -E1000_ERR_PARAM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2869	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2870
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2871	if (hw->mac_type > e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2872	/* Set up Op-code, Phy Address, and register address in the MDI
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2873	* Control register. The MAC will take care of interfacing with the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2874	* PHY to retrieve the desired data.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2875	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2876	if (hw->mac_type == e1000_ce4100) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2877	mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2878	(phy_addr << E1000_MDIC_PHY_SHIFT) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2879	(INTEL_CE_GBE_MDIC_OP_READ) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2880	(INTEL_CE_GBE_MDIC_GO));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2881
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2882	writel(mdic, E1000_MDIO_CMD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2883
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2884	/* Poll the ready bit to see if the MDI read
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2885	* completed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2886	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2887	for (i = 0; i < 64; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2888	udelay(50);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2889	mdic = readl(E1000_MDIO_CMD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2890	if (!(mdic & INTEL_CE_GBE_MDIC_GO))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2891	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2892	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2893
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2894	if (mdic & INTEL_CE_GBE_MDIC_GO) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2895	e_dbg("MDI Read did not complete\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2896	return -E1000_ERR_PHY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2897	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2898
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2899	mdic = readl(E1000_MDIO_STS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2900	if (mdic & INTEL_CE_GBE_MDIC_READ_ERROR) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2901	e_dbg("MDI Read Error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2902	return -E1000_ERR_PHY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2903	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2904	*phy_data = (u16) mdic;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2905	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2906	mdic = ((reg_addr << E1000_MDIC_REG_SHIFT) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2907	(phy_addr << E1000_MDIC_PHY_SHIFT) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2908	(E1000_MDIC_OP_READ));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2909
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2910	ew32(MDIC, mdic);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2911
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2912	/* Poll the ready bit to see if the MDI read
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2913	* completed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2914	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2915	for (i = 0; i < 64; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2916	udelay(50);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2917	mdic = er32(MDIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2918	if (mdic & E1000_MDIC_READY)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2919	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2920	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2921	if (!(mdic & E1000_MDIC_READY)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2922	e_dbg("MDI Read did not complete\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2923	return -E1000_ERR_PHY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2924	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2925	if (mdic & E1000_MDIC_ERROR) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2926	e_dbg("MDI Error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2927	return -E1000_ERR_PHY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2928	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2929	*phy_data = (u16) mdic;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2930	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2931	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2932	/* We must first send a preamble through the MDIO pin to signal the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2933	* beginning of an MII instruction. This is done by sending 32
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2934	* consecutive "1" bits.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2935	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2936	e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2937
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2938	/* Now combine the next few fields that are required for a read
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2939	* operation. We use this method instead of calling the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2940	* e1000_shift_out_mdi_bits routine five different times. The format of
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2941	* a MII read instruction consists of a shift out of 14 bits and is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2942	* defined as follows:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2943	* <Preamble><SOF><Op Code><Phy Addr><Reg Addr>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2944	* followed by a shift in of 18 bits. This first two bits shifted in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2945	* are TurnAround bits used to avoid contention on the MDIO pin when a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2946	* READ operation is performed. These two bits are thrown away
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2947	* followed by a shift in of 16 bits which contains the desired data.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2948	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2949	mdic = ((reg_addr) \| (phy_addr << 5) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2950	(PHY_OP_READ << 10) \| (PHY_SOF << 12));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2951
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2952	e1000_shift_out_mdi_bits(hw, mdic, 14);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2953
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2954	/* Now that we've shifted out the read command to the MII, we need to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2955	* "shift in" the 16-bit value (18 total bits) of the requested PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2956	* register address.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2957	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2958	*phy_data = e1000_shift_in_mdi_bits(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2959	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2960	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2961	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2962
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2963	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2964	* e1000_write_phy_reg - write a phy register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2965	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2966	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2967	* @reg_addr: address of the PHY register to write
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2968	* @data: data to write to the PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2969	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2970	* Writes a value to a PHY register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2971	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2972	s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 phy_data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2973	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2974	u32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2975	unsigned long flags;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2976
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2977	e_dbg("e1000_write_phy_reg");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2978
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2979	spin_lock_irqsave(&e1000_phy_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2980
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2981	if ((hw->phy_type == e1000_phy_igp) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2982	(reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2983	ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2984	(u16) reg_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2985	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2986	spin_unlock_irqrestore(&e1000_phy_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2987	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2988	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2989	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2990
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2991	ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2992	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2993	spin_unlock_irqrestore(&e1000_phy_lock, flags);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2994
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2995	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2996	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2997
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2998	static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	2999	u16 phy_data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3000	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3001	u32 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3002	u32 mdic = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3003	const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3004
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3005	e_dbg("e1000_write_phy_reg_ex");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3006
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3007	if (reg_addr > MAX_PHY_REG_ADDRESS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3008	e_dbg("PHY Address %d is out of range\n", reg_addr);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3009	return -E1000_ERR_PARAM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3010	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3011
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3012	if (hw->mac_type > e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3013	/* Set up Op-code, Phy Address, register address, and data
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3014	* intended for the PHY register in the MDI Control register.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3015	* The MAC will take care of interfacing with the PHY to send
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3016	* the desired data.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3017	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3018	if (hw->mac_type == e1000_ce4100) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3019	mdic = (((u32) phy_data) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3020	(reg_addr << E1000_MDIC_REG_SHIFT) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3021	(phy_addr << E1000_MDIC_PHY_SHIFT) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3022	(INTEL_CE_GBE_MDIC_OP_WRITE) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3023	(INTEL_CE_GBE_MDIC_GO));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3024
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3025	writel(mdic, E1000_MDIO_CMD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3026
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3027	/* Poll the ready bit to see if the MDI read
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3028	* completed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3029	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3030	for (i = 0; i < 640; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3031	udelay(5);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3032	mdic = readl(E1000_MDIO_CMD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3033	if (!(mdic & INTEL_CE_GBE_MDIC_GO))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3034	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3035	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3036	if (mdic & INTEL_CE_GBE_MDIC_GO) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3037	e_dbg("MDI Write did not complete\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3038	return -E1000_ERR_PHY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3039	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3040	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3041	mdic = (((u32) phy_data) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3042	(reg_addr << E1000_MDIC_REG_SHIFT) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3043	(phy_addr << E1000_MDIC_PHY_SHIFT) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3044	(E1000_MDIC_OP_WRITE));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3045
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3046	ew32(MDIC, mdic);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3047
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3048	/* Poll the ready bit to see if the MDI read
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3049	* completed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3050	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3051	for (i = 0; i < 641; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3052	udelay(5);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3053	mdic = er32(MDIC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3054	if (mdic & E1000_MDIC_READY)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3055	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3056	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3057	if (!(mdic & E1000_MDIC_READY)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3058	e_dbg("MDI Write did not complete\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3059	return -E1000_ERR_PHY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3060	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3061	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3062	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3063	/* We'll need to use the SW defined pins to shift the write command
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3064	* out to the PHY. We first send a preamble to the PHY to signal the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3065	* beginning of the MII instruction. This is done by sending 32
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3066	* consecutive "1" bits.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3067	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3068	e1000_shift_out_mdi_bits(hw, PHY_PREAMBLE, PHY_PREAMBLE_SIZE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3069
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3070	/* Now combine the remaining required fields that will indicate a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3071	* write operation. We use this method instead of calling the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3072	* e1000_shift_out_mdi_bits routine for each field in the command. The
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3073	* format of a MII write instruction is as follows:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3074	* <Preamble><SOF><Op Code><Phy Addr><Reg Addr><Turnaround><Data>.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3075	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3076	mdic = ((PHY_TURNAROUND) \| (reg_addr << 2) \| (phy_addr << 7) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3077	(PHY_OP_WRITE << 12) \| (PHY_SOF << 14));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3078	mdic <<= 16;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3079	mdic \|= (u32) phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3080
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3081	e1000_shift_out_mdi_bits(hw, mdic, 32);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3082	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3083
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3084	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3085	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3086
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3087	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3088	* e1000_phy_hw_reset - reset the phy, hardware style
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3089	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3090	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3091	* Returns the PHY to the power-on reset state
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3092	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3093	s32 e1000_phy_hw_reset(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3094	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3095	u32 ctrl, ctrl_ext;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3096	u32 led_ctrl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3097
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3098	e_dbg("e1000_phy_hw_reset");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3099
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3100	e_dbg("Resetting Phy...\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3101
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3102	if (hw->mac_type > e1000_82543) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3103	/* Read the device control register and assert the E1000_CTRL_PHY_RST
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3104	* bit. Then, take it out of reset.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3105	* For e1000 hardware, we delay for 10ms between the assert
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3106	* and deassert.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3107	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3108	ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3109	ew32(CTRL, ctrl \| E1000_CTRL_PHY_RST);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3110	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3111
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3112	msleep(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3113
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3114	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3115	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3116
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3117	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3118	/* Read the Extended Device Control Register, assert the PHY_RESET_DIR
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3119	* bit to put the PHY into reset. Then, take it out of reset.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3120	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3121	ctrl_ext = er32(CTRL_EXT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3122	ctrl_ext \|= E1000_CTRL_EXT_SDP4_DIR;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3123	ctrl_ext &= ~E1000_CTRL_EXT_SDP4_DATA;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3124	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3125	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3126	msleep(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3127	ctrl_ext \|= E1000_CTRL_EXT_SDP4_DATA;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3128	ew32(CTRL_EXT, ctrl_ext);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3129	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3130	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3131	udelay(150);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3132
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3133	if ((hw->mac_type == e1000_82541) \|\| (hw->mac_type == e1000_82547)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3134	/* Configure activity LED after PHY reset */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3135	led_ctrl = er32(LEDCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3136	led_ctrl &= IGP_ACTIVITY_LED_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3137	led_ctrl \|= (IGP_ACTIVITY_LED_ENABLE \| IGP_LED3_MODE);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3138	ew32(LEDCTL, led_ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3139	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3140
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3141	/* Wait for FW to finish PHY configuration. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3142	return e1000_get_phy_cfg_done(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3143	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3144
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3145	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3146	* e1000_phy_reset - reset the phy to commit settings
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3147	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3148	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3149	* Resets the PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3150	* Sets bit 15 of the MII Control register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3151	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3152	s32 e1000_phy_reset(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3153	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3154	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3155	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3156
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3157	e_dbg("e1000_phy_reset");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3158
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3159	switch (hw->phy_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3160	case e1000_phy_igp:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3161	ret_val = e1000_phy_hw_reset(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3162	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3163	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3164	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3165	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3166	ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3167	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3168	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3169
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3170	phy_data \|= MII_CR_RESET;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3171	ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3172	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3173	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3174
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3175	udelay(1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3176	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3177	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3178
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3179	if (hw->phy_type == e1000_phy_igp)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3180	e1000_phy_init_script(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3181
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3182	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3183	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3184
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3185	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3186	* e1000_detect_gig_phy - check the phy type
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3187	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3188	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3189	* Probes the expected PHY address for known PHY IDs
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3190	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3191	static s32 e1000_detect_gig_phy(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3192	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3193	s32 phy_init_status, ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3194	u16 phy_id_high, phy_id_low;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3195	bool match = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3196
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3197	e_dbg("e1000_detect_gig_phy");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3198
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3199	if (hw->phy_id != 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3200	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3201
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3202	/* Read the PHY ID Registers to identify which PHY is onboard. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3203	ret_val = e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3204	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3205	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3206
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3207	hw->phy_id = (u32) (phy_id_high << 16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3208	udelay(20);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3209	ret_val = e1000_read_phy_reg(hw, PHY_ID2, &phy_id_low);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3210	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3211	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3212
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3213	hw->phy_id \|= (u32) (phy_id_low & PHY_REVISION_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3214	hw->phy_revision = (u32) phy_id_low & ~PHY_REVISION_MASK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3215
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3216	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3217	case e1000_82543:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3218	if (hw->phy_id == M88E1000_E_PHY_ID)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3219	match = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3220	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3221	case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3222	if (hw->phy_id == M88E1000_I_PHY_ID)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3223	match = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3224	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3225	case e1000_82540:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3226	case e1000_82545:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3227	case e1000_82545_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3228	case e1000_82546:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3229	case e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3230	if (hw->phy_id == M88E1011_I_PHY_ID)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3231	match = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3232	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3233	case e1000_ce4100:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3234	if ((hw->phy_id == RTL8211B_PHY_ID) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3235	(hw->phy_id == RTL8201N_PHY_ID) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3236	(hw->phy_id == M88E1118_E_PHY_ID))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3237	match = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3238	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3239	case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3240	case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3241	case e1000_82547:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3242	case e1000_82547_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3243	if (hw->phy_id == IGP01E1000_I_PHY_ID)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3244	match = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3245	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3246	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3247	e_dbg("Invalid MAC type %d\n", hw->mac_type);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3248	return -E1000_ERR_CONFIG;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3249	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3250	phy_init_status = e1000_set_phy_type(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3251
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3252	if ((match) && (phy_init_status == E1000_SUCCESS)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3253	e_dbg("PHY ID 0x%X detected\n", hw->phy_id);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3254	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3255	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3256	e_dbg("Invalid PHY ID 0x%X\n", hw->phy_id);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3257	return -E1000_ERR_PHY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3258	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3259
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3260	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3261	* e1000_phy_reset_dsp - reset DSP
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3262	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3263	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3264	* Resets the PHY's DSP
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3265	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3266	static s32 e1000_phy_reset_dsp(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3267	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3268	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3269	e_dbg("e1000_phy_reset_dsp");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3270
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3271	do {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3272	ret_val = e1000_write_phy_reg(hw, 29, 0x001d);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3273	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3274	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3275	ret_val = e1000_write_phy_reg(hw, 30, 0x00c1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3276	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3277	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3278	ret_val = e1000_write_phy_reg(hw, 30, 0x0000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3279	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3280	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3281	ret_val = E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3282	} while (0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3283
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3284	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3285	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3286
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3287	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3288	* e1000_phy_igp_get_info - get igp specific registers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3289	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3290	* @phy_info: PHY information structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3291	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3292	* Get PHY information from various PHY registers for igp PHY only.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3293	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3294	static s32 e1000_phy_igp_get_info(struct e1000_hw *hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3295	struct e1000_phy_info *phy_info)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3296	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3297	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3298	u16 phy_data, min_length, max_length, average;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3299	e1000_rev_polarity polarity;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3300
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3301	e_dbg("e1000_phy_igp_get_info");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3302
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3303	/* The downshift status is checked only once, after link is established,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3304	* and it stored in the hw->speed_downgraded parameter. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3305	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3306
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3307	/* IGP01E1000 does not need to support it. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3308	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_normal;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3309
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3310	/* IGP01E1000 always correct polarity reversal */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3311	phy_info->polarity_correction = e1000_polarity_reversal_enabled;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3312
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3313	/* Check polarity status */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3314	ret_val = e1000_check_polarity(hw, &polarity);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3315	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3316	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3317
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3318	phy_info->cable_polarity = polarity;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3319
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3320	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3321	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3322	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3323
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3324	phy_info->mdix_mode =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3325	(e1000_auto_x_mode) ((phy_data & IGP01E1000_PSSR_MDIX) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3326	IGP01E1000_PSSR_MDIX_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3327
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3328	if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3329	IGP01E1000_PSSR_SPEED_1000MBPS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3330	/* Local/Remote Receiver Information are only valid at 1000 Mbps */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3331	ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3332	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3333	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3334
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3335	phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3336	SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3337	e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3338	phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3339	SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3340	e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3341
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3342	/* Get cable length */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3343	ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3344	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3345	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3346
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3347	/* Translate to old method */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3348	average = (max_length + min_length) / 2;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3349
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3350	if (average <= e1000_igp_cable_length_50)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3351	phy_info->cable_length = e1000_cable_length_50;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3352	else if (average <= e1000_igp_cable_length_80)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3353	phy_info->cable_length = e1000_cable_length_50_80;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3354	else if (average <= e1000_igp_cable_length_110)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3355	phy_info->cable_length = e1000_cable_length_80_110;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3356	else if (average <= e1000_igp_cable_length_140)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3357	phy_info->cable_length = e1000_cable_length_110_140;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3358	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3359	phy_info->cable_length = e1000_cable_length_140;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3360	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3361
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3362	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3363	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3364
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3365	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3366	* e1000_phy_m88_get_info - get m88 specific registers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3367	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3368	* @phy_info: PHY information structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3369	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3370	* Get PHY information from various PHY registers for m88 PHY only.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3371	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3372	static s32 e1000_phy_m88_get_info(struct e1000_hw *hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3373	struct e1000_phy_info *phy_info)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3374	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3375	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3376	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3377	e1000_rev_polarity polarity;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3378
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3379	e_dbg("e1000_phy_m88_get_info");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3380
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3381	/* The downshift status is checked only once, after link is established,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3382	* and it stored in the hw->speed_downgraded parameter. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3383	phy_info->downshift = (e1000_downshift) hw->speed_downgraded;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3384
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3385	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3386	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3387	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3388
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3389	phy_info->extended_10bt_distance =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3390	((phy_data & M88E1000_PSCR_10BT_EXT_DIST_ENABLE) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3391	M88E1000_PSCR_10BT_EXT_DIST_ENABLE_SHIFT) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3392	e1000_10bt_ext_dist_enable_lower :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3393	e1000_10bt_ext_dist_enable_normal;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3394
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3395	phy_info->polarity_correction =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3396	((phy_data & M88E1000_PSCR_POLARITY_REVERSAL) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3397	M88E1000_PSCR_POLARITY_REVERSAL_SHIFT) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3398	e1000_polarity_reversal_disabled : e1000_polarity_reversal_enabled;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3399
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3400	/* Check polarity status */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3401	ret_val = e1000_check_polarity(hw, &polarity);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3402	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3403	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3404	phy_info->cable_polarity = polarity;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3405
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3406	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3407	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3408	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3409
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3410	phy_info->mdix_mode =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3411	(e1000_auto_x_mode) ((phy_data & M88E1000_PSSR_MDIX) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3412	M88E1000_PSSR_MDIX_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3413
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3414	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3415	/* Cable Length Estimation and Local/Remote Receiver Information
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3416	* are only valid at 1000 Mbps.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3417	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3418	phy_info->cable_length =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3419	(e1000_cable_length) ((phy_data &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3420	M88E1000_PSSR_CABLE_LENGTH) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3421	M88E1000_PSSR_CABLE_LENGTH_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3422
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3423	ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3424	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3425	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3426
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3427	phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3428	SR_1000T_LOCAL_RX_STATUS_SHIFT) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3429	e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3430	phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3431	SR_1000T_REMOTE_RX_STATUS_SHIFT) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3432	e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3433
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3434	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3435
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3436	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3437	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3438
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3439	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3440	* e1000_phy_get_info - request phy info
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3441	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3442	* @phy_info: PHY information structure
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3443	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3444	* Get PHY information from various PHY registers
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3445	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3446	s32 e1000_phy_get_info(struct e1000_hw hw, struct e1000_phy_info phy_info)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3447	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3448	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3449	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3450
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3451	e_dbg("e1000_phy_get_info");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3452
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3453	phy_info->cable_length = e1000_cable_length_undefined;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3454	phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_undefined;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3455	phy_info->cable_polarity = e1000_rev_polarity_undefined;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3456	phy_info->downshift = e1000_downshift_undefined;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3457	phy_info->polarity_correction = e1000_polarity_reversal_undefined;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3458	phy_info->mdix_mode = e1000_auto_x_mode_undefined;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3459	phy_info->local_rx = e1000_1000t_rx_status_undefined;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3460	phy_info->remote_rx = e1000_1000t_rx_status_undefined;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3461
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3462	if (hw->media_type != e1000_media_type_copper) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3463	e_dbg("PHY info is only valid for copper media\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3464	return -E1000_ERR_CONFIG;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3465	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3466
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3467	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3468	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3469	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3470
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3471	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3472	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3473	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3474
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3475	if ((phy_data & MII_SR_LINK_STATUS) != MII_SR_LINK_STATUS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3476	e_dbg("PHY info is only valid if link is up\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3477	return -E1000_ERR_CONFIG;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3478	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3479
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3480	if (hw->phy_type == e1000_phy_igp)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3481	return e1000_phy_igp_get_info(hw, phy_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3482	else if ((hw->phy_type == e1000_phy_8211) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3483	(hw->phy_type == e1000_phy_8201))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3484	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3485	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3486	return e1000_phy_m88_get_info(hw, phy_info);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3487	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3488
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3489	s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3490	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3491	e_dbg("e1000_validate_mdi_settings");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3492
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3493	if (!hw->autoneg && (hw->mdix == 0 \|\| hw->mdix == 3)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3494	e_dbg("Invalid MDI setting detected\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3495	hw->mdix = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3496	return -E1000_ERR_CONFIG;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3497	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3498	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3499	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3500
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3501	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3502	* e1000_init_eeprom_params - initialize sw eeprom vars
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3503	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3504	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3505	* Sets up eeprom variables in the hw struct. Must be called after mac_type
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3506	* is configured.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3507	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3508	s32 e1000_init_eeprom_params(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3509	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3510	struct e1000_eeprom_info *eeprom = &hw->eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3511	u32 eecd = er32(EECD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3512	s32 ret_val = E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3513	u16 eeprom_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3514
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3515	e_dbg("e1000_init_eeprom_params");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3516
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3517	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3518	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3519	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3520	case e1000_82543:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3521	case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3522	eeprom->type = e1000_eeprom_microwire;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3523	eeprom->word_size = 64;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3524	eeprom->opcode_bits = 3;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3525	eeprom->address_bits = 6;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3526	eeprom->delay_usec = 50;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3527	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3528	case e1000_82540:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3529	case e1000_82545:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3530	case e1000_82545_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3531	case e1000_82546:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3532	case e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3533	eeprom->type = e1000_eeprom_microwire;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3534	eeprom->opcode_bits = 3;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3535	eeprom->delay_usec = 50;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3536	if (eecd & E1000_EECD_SIZE) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3537	eeprom->word_size = 256;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3538	eeprom->address_bits = 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3539	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3540	eeprom->word_size = 64;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3541	eeprom->address_bits = 6;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3542	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3543	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3544	case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3545	case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3546	case e1000_82547:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3547	case e1000_82547_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3548	if (eecd & E1000_EECD_TYPE) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3549	eeprom->type = e1000_eeprom_spi;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3550	eeprom->opcode_bits = 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3551	eeprom->delay_usec = 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3552	if (eecd & E1000_EECD_ADDR_BITS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3553	eeprom->page_size = 32;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3554	eeprom->address_bits = 16;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3555	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3556	eeprom->page_size = 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3557	eeprom->address_bits = 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3558	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3559	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3560	eeprom->type = e1000_eeprom_microwire;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3561	eeprom->opcode_bits = 3;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3562	eeprom->delay_usec = 50;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3563	if (eecd & E1000_EECD_ADDR_BITS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3564	eeprom->word_size = 256;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3565	eeprom->address_bits = 8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3566	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3567	eeprom->word_size = 64;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3568	eeprom->address_bits = 6;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3569	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3570	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3571	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3572	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3573	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3574	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3575
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3576	if (eeprom->type == e1000_eeprom_spi) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3577	/* eeprom_size will be an enum [0..8] that maps to eeprom sizes 128B to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3578	* 32KB (incremented by powers of 2).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3579	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3580	/* Set to default value for initial eeprom read. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3581	eeprom->word_size = 64;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3582	ret_val = e1000_read_eeprom(hw, EEPROM_CFG, 1, &eeprom_size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3583	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3584	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3585	eeprom_size =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3586	(eeprom_size & EEPROM_SIZE_MASK) >> EEPROM_SIZE_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3587	/* 256B eeprom size was not supported in earlier hardware, so we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3588	* bump eeprom_size up one to ensure that "1" (which maps to 256B)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3589	* is never the result used in the shifting logic below. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3590	if (eeprom_size)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3591	eeprom_size++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3592
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3593	eeprom->word_size = 1 << (eeprom_size + EEPROM_WORD_SIZE_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3594	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3595	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3596	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3597
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3598	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3599	* e1000_raise_ee_clk - Raises the EEPROM's clock input.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3600	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3601	* @eecd: EECD's current value
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3602	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3603	static void e1000_raise_ee_clk(struct e1000_hw hw, u32 eecd)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3604	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3605	/* Raise the clock input to the EEPROM (by setting the SK bit), and then
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3606	* wait <delay> microseconds.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3607	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3608	eecd = eecd \| E1000_EECD_SK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3609	ew32(EECD, *eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3610	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3611	udelay(hw->eeprom.delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3612	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3613
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3614	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3615	* e1000_lower_ee_clk - Lowers the EEPROM's clock input.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3616	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3617	* @eecd: EECD's current value
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3618	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3619	static void e1000_lower_ee_clk(struct e1000_hw hw, u32 eecd)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3620	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3621	/* Lower the clock input to the EEPROM (by clearing the SK bit), and then
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3622	* wait 50 microseconds.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3623	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3624	eecd = eecd & ~E1000_EECD_SK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3625	ew32(EECD, *eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3626	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3627	udelay(hw->eeprom.delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3628	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3629
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3630	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3631	* e1000_shift_out_ee_bits - Shift data bits out to the EEPROM.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3632	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3633	* @data: data to send to the EEPROM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3634	* @count: number of bits to shift out
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3635	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3636	static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data, u16 count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3637	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3638	struct e1000_eeprom_info *eeprom = &hw->eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3639	u32 eecd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3640	u32 mask;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3641
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3642	/* We need to shift "count" bits out to the EEPROM. So, value in the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3643	* "data" parameter will be shifted out to the EEPROM one bit at a time.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3644	* In order to do this, "data" must be broken down into bits.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3645	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3646	mask = 0x01 << (count - 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3647	eecd = er32(EECD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3648	if (eeprom->type == e1000_eeprom_microwire) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3649	eecd &= ~E1000_EECD_DO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3650	} else if (eeprom->type == e1000_eeprom_spi) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3651	eecd \|= E1000_EECD_DO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3652	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3653	do {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3654	/* A "1" is shifted out to the EEPROM by setting bit "DI" to a "1",
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3655	* and then raising and then lowering the clock (the SK bit controls
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3656	* the clock input to the EEPROM). A "0" is shifted out to the EEPROM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3657	* by setting "DI" to "0" and then raising and then lowering the clock.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3658	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3659	eecd &= ~E1000_EECD_DI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3660
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3661	if (data & mask)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3662	eecd \|= E1000_EECD_DI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3663
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3664	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3665	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3666
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3667	udelay(eeprom->delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3668
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3669	e1000_raise_ee_clk(hw, &eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3670	e1000_lower_ee_clk(hw, &eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3671
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3672	mask = mask >> 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3673
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3674	} while (mask);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3675
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3676	/* We leave the "DI" bit set to "0" when we leave this routine. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3677	eecd &= ~E1000_EECD_DI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3678	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3679	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3680
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3681	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3682	* e1000_shift_in_ee_bits - Shift data bits in from the EEPROM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3683	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3684	* @count: number of bits to shift in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3685	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3686	static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3687	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3688	u32 eecd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3689	u32 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3690	u16 data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3691
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3692	/* In order to read a register from the EEPROM, we need to shift 'count'
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3693	* bits in from the EEPROM. Bits are "shifted in" by raising the clock
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3694	* input to the EEPROM (setting the SK bit), and then reading the value of
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3695	* the "DO" bit. During this "shifting in" process the "DI" bit should
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3696	* always be clear.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3697	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3698
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3699	eecd = er32(EECD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3700
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3701	eecd &= ~(E1000_EECD_DO \| E1000_EECD_DI);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3702	data = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3703
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3704	for (i = 0; i < count; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3705	data = data << 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3706	e1000_raise_ee_clk(hw, &eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3707
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3708	eecd = er32(EECD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3709
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3710	eecd &= ~(E1000_EECD_DI);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3711	if (eecd & E1000_EECD_DO)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3712	data \|= 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3713
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3714	e1000_lower_ee_clk(hw, &eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3715	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3716
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3717	return data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3718	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3719
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3720	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3721	* e1000_acquire_eeprom - Prepares EEPROM for access
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3722	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3723	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3724	* Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3725	* function should be called before issuing a command to the EEPROM.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3726	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3727	static s32 e1000_acquire_eeprom(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3728	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3729	struct e1000_eeprom_info *eeprom = &hw->eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3730	u32 eecd, i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3731
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3732	e_dbg("e1000_acquire_eeprom");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3733
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3734	eecd = er32(EECD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3735
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3736	/* Request EEPROM Access */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3737	if (hw->mac_type > e1000_82544) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3738	eecd \|= E1000_EECD_REQ;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3739	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3740	eecd = er32(EECD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3741	while ((!(eecd & E1000_EECD_GNT)) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3742	(i < E1000_EEPROM_GRANT_ATTEMPTS)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3743	i++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3744	udelay(5);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3745	eecd = er32(EECD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3746	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3747	if (!(eecd & E1000_EECD_GNT)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3748	eecd &= ~E1000_EECD_REQ;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3749	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3750	e_dbg("Could not acquire EEPROM grant\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3751	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3752	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3753	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3754
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3755	/* Setup EEPROM for Read/Write */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3756
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3757	if (eeprom->type == e1000_eeprom_microwire) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3758	/* Clear SK and DI */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3759	eecd &= ~(E1000_EECD_DI \| E1000_EECD_SK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3760	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3761
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3762	/* Set CS */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3763	eecd \|= E1000_EECD_CS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3764	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3765	} else if (eeprom->type == e1000_eeprom_spi) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3766	/* Clear SK and CS */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3767	eecd &= ~(E1000_EECD_CS \| E1000_EECD_SK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3768	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3769	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3770	udelay(1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3771	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3772
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3773	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3774	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3775
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3776	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3777	* e1000_standby_eeprom - Returns EEPROM to a "standby" state
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3778	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3779	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3780	static void e1000_standby_eeprom(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3781	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3782	struct e1000_eeprom_info *eeprom = &hw->eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3783	u32 eecd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3784
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3785	eecd = er32(EECD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3786
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3787	if (eeprom->type == e1000_eeprom_microwire) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3788	eecd &= ~(E1000_EECD_CS \| E1000_EECD_SK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3789	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3790	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3791	udelay(eeprom->delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3792
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3793	/* Clock high */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3794	eecd \|= E1000_EECD_SK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3795	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3796	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3797	udelay(eeprom->delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3798
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3799	/* Select EEPROM */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3800	eecd \|= E1000_EECD_CS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3801	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3802	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3803	udelay(eeprom->delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3804
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3805	/* Clock low */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3806	eecd &= ~E1000_EECD_SK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3807	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3808	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3809	udelay(eeprom->delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3810	} else if (eeprom->type == e1000_eeprom_spi) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3811	/* Toggle CS to flush commands */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3812	eecd \|= E1000_EECD_CS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3813	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3814	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3815	udelay(eeprom->delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3816	eecd &= ~E1000_EECD_CS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3817	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3818	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3819	udelay(eeprom->delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3820	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3821	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3822
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3823	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3824	* e1000_release_eeprom - drop chip select
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3825	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3826	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3827	* Terminates a command by inverting the EEPROM's chip select pin
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3828	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3829	static void e1000_release_eeprom(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3830	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3831	u32 eecd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3832
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3833	e_dbg("e1000_release_eeprom");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3834
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3835	eecd = er32(EECD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3836
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3837	if (hw->eeprom.type == e1000_eeprom_spi) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3838	eecd \|= E1000_EECD_CS; /* Pull CS high */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3839	eecd &= ~E1000_EECD_SK; /* Lower SCK */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3840
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3841	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3842	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3843
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3844	udelay(hw->eeprom.delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3845	} else if (hw->eeprom.type == e1000_eeprom_microwire) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3846	/* cleanup eeprom */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3847
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3848	/* CS on Microwire is active-high */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3849	eecd &= ~(E1000_EECD_CS \| E1000_EECD_DI);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3850
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3851	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3852
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3853	/* Rising edge of clock */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3854	eecd \|= E1000_EECD_SK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3855	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3856	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3857	udelay(hw->eeprom.delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3858
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3859	/* Falling edge of clock */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3860	eecd &= ~E1000_EECD_SK;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3861	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3862	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3863	udelay(hw->eeprom.delay_usec);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3864	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3865
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3866	/* Stop requesting EEPROM access */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3867	if (hw->mac_type > e1000_82544) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3868	eecd &= ~E1000_EECD_REQ;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3869	ew32(EECD, eecd);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3870	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3871	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3872
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3873	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3874	* e1000_spi_eeprom_ready - Reads a 16 bit word from the EEPROM.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3875	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3876	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3877	static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3878	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3879	u16 retry_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3880	u8 spi_stat_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3881
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3882	e_dbg("e1000_spi_eeprom_ready");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3883
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3884	/* Read "Status Register" repeatedly until the LSB is cleared. The
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3885	* EEPROM will signal that the command has been completed by clearing
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3886	* bit 0 of the internal status register. If it's not cleared within
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3887	* 5 milliseconds, then error out.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3888	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3889	retry_count = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3890	do {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3891	e1000_shift_out_ee_bits(hw, EEPROM_RDSR_OPCODE_SPI,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3892	hw->eeprom.opcode_bits);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3893	spi_stat_reg = (u8) e1000_shift_in_ee_bits(hw, 8);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3894	if (!(spi_stat_reg & EEPROM_STATUS_RDY_SPI))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3895	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3896
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3897	udelay(5);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3898	retry_count += 5;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3899
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3900	e1000_standby_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3901	} while (retry_count < EEPROM_MAX_RETRY_SPI);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3902
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3903	/* ATMEL SPI write time could vary from 0-20mSec on 3.3V devices (and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3904	* only 0-5mSec on 5V devices)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3905	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3906	if (retry_count >= EEPROM_MAX_RETRY_SPI) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3907	e_dbg("SPI EEPROM Status error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3908	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3909	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3910
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3911	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3912	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3913
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3914	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3915	* e1000_read_eeprom - Reads a 16 bit word from the EEPROM.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3916	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3917	* @offset: offset of word in the EEPROM to read
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3918	* @data: word read from the EEPROM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3919	* @words: number of words to read
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3920	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3921	s32 e1000_read_eeprom(struct e1000_hw hw, u16 offset, u16 words, u16 data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3922	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3923	s32 ret;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3924	spin_lock(&e1000_eeprom_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3925	ret = e1000_do_read_eeprom(hw, offset, words, data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3926	spin_unlock(&e1000_eeprom_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3927	return ret;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3928	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3929
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3930	static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3931	u16 *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3932	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3933	struct e1000_eeprom_info *eeprom = &hw->eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3934	u32 i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3935
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3936	e_dbg("e1000_read_eeprom");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3937
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3938	if (hw->mac_type == e1000_ce4100) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3939	GBE_CONFIG_FLASH_READ(GBE_CONFIG_BASE_VIRT, offset, words,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3940	data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3941	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3942	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3943
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3944	/* If eeprom is not yet detected, do so now */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3945	if (eeprom->word_size == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3946	e1000_init_eeprom_params(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3947
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3948	/* A check for invalid values: offset too large, too many words, and not
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3949	* enough words.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3950	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3951	if ((offset >= eeprom->word_size)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3952	\|\| (words > eeprom->word_size - offset) \|\| (words == 0)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3953	e_dbg("\"words\" parameter out of bounds. Words = %d,"
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3954	"size = %d\n", offset, eeprom->word_size);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3955	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3956	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3957
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3958	/* EEPROM's that don't use EERD to read require us to bit-bang the SPI
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3959	* directly. In this case, we need to acquire the EEPROM so that
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3960	* FW or other port software does not interrupt.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3961	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3962	/* Prepare the EEPROM for bit-bang reading */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3963	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3964	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3965
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3966	/* Set up the SPI or Microwire EEPROM for bit-bang reading. We have
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3967	* acquired the EEPROM at this point, so any returns should release it */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3968	if (eeprom->type == e1000_eeprom_spi) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3969	u16 word_in;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3970	u8 read_opcode = EEPROM_READ_OPCODE_SPI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3971
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3972	if (e1000_spi_eeprom_ready(hw)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3973	e1000_release_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3974	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3975	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3976
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3977	e1000_standby_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3978
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3979	/* Some SPI eeproms use the 8th address bit embedded in the opcode */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3980	if ((eeprom->address_bits == 8) && (offset >= 128))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3981	read_opcode \|= EEPROM_A8_OPCODE_SPI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3982
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3983	/* Send the READ command (opcode + addr) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3984	e1000_shift_out_ee_bits(hw, read_opcode, eeprom->opcode_bits);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3985	e1000_shift_out_ee_bits(hw, (u16) (offset * 2),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3986	eeprom->address_bits);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3987
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3988	/* Read the data. The address of the eeprom internally increments with
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3989	* each byte (spi) being read, saving on the overhead of eeprom setup
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3990	* and tear-down. The address counter will roll over if reading beyond
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3991	* the size of the eeprom, thus allowing the entire memory to be read
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3992	* starting from any offset. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3993	for (i = 0; i < words; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3994	word_in = e1000_shift_in_ee_bits(hw, 16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3995	data[i] = (word_in >> 8) \| (word_in << 8);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3996	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3997	} else if (eeprom->type == e1000_eeprom_microwire) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3998	for (i = 0; i < words; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	3999	/* Send the READ command (opcode + addr) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4000	e1000_shift_out_ee_bits(hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4001	EEPROM_READ_OPCODE_MICROWIRE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4002	eeprom->opcode_bits);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4003	e1000_shift_out_ee_bits(hw, (u16) (offset + i),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4004	eeprom->address_bits);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4005
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4006	/* Read the data. For microwire, each word requires the overhead
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4007	* of eeprom setup and tear-down. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4008	data[i] = e1000_shift_in_ee_bits(hw, 16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4009	e1000_standby_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4010	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4011	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4012
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4013	/* End this read operation */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4014	e1000_release_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4015
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4016	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4017	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4018
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4019	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4020	* e1000_validate_eeprom_checksum - Verifies that the EEPROM has a valid checksum
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4021	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4022	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4023	* Reads the first 64 16 bit words of the EEPROM and sums the values read.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4024	* If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4025	* valid.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4026	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4027	s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4028	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4029	u16 checksum = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4030	u16 i, eeprom_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4031
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4032	e_dbg("e1000_validate_eeprom_checksum");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4033
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4034	for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4035	if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4036	e_dbg("EEPROM Read Error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4037	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4038	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4039	checksum += eeprom_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4040	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4041
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4042	#ifdef CONFIG_PARISC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4043	/* This is a signature and not a checksum on HP c8000 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4044	if ((hw->subsystem_vendor_id == 0x103C) && (eeprom_data == 0x16d6))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4045	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4046
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4047	#endif
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4048	if (checksum == (u16) EEPROM_SUM)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4049	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4050	else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4051	e_dbg("EEPROM Checksum Invalid\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4052	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4053	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4054	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4055
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4056	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4057	* e1000_update_eeprom_checksum - Calculates/writes the EEPROM checksum
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4058	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4059	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4060	* Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4061	* Writes the difference to word offset 63 of the EEPROM.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4062	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4063	s32 e1000_update_eeprom_checksum(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4064	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4065	u16 checksum = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4066	u16 i, eeprom_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4067
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4068	e_dbg("e1000_update_eeprom_checksum");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4069
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4070	for (i = 0; i < EEPROM_CHECKSUM_REG; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4071	if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4072	e_dbg("EEPROM Read Error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4073	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4074	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4075	checksum += eeprom_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4076	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4077	checksum = (u16) EEPROM_SUM - checksum;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4078	if (e1000_write_eeprom(hw, EEPROM_CHECKSUM_REG, 1, &checksum) < 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4079	e_dbg("EEPROM Write Error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4080	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4081	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4082	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4083	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4084
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4085	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4086	* e1000_write_eeprom - write words to the different EEPROM types.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4087	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4088	* @offset: offset within the EEPROM to be written to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4089	* @words: number of words to write
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4090	* @data: 16 bit word to be written to the EEPROM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4091	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4092	* If e1000_update_eeprom_checksum is not called after this function, the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4093	* EEPROM will most likely contain an invalid checksum.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4094	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4095	s32 e1000_write_eeprom(struct e1000_hw hw, u16 offset, u16 words, u16 data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4096	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4097	s32 ret;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4098	spin_lock(&e1000_eeprom_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4099	ret = e1000_do_write_eeprom(hw, offset, words, data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4100	spin_unlock(&e1000_eeprom_lock);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4101	return ret;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4102	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4103
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4104	static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4105	u16 *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4106	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4107	struct e1000_eeprom_info *eeprom = &hw->eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4108	s32 status = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4109
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4110	e_dbg("e1000_write_eeprom");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4111
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4112	if (hw->mac_type == e1000_ce4100) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4113	GBE_CONFIG_FLASH_WRITE(GBE_CONFIG_BASE_VIRT, offset, words,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4114	data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4115	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4116	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4117
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4118	/* If eeprom is not yet detected, do so now */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4119	if (eeprom->word_size == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4120	e1000_init_eeprom_params(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4121
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4122	/* A check for invalid values: offset too large, too many words, and not
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4123	* enough words.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4124	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4125	if ((offset >= eeprom->word_size)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4126	\|\| (words > eeprom->word_size - offset) \|\| (words == 0)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4127	e_dbg("\"words\" parameter out of bounds\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4128	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4129	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4130
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4131	/* Prepare the EEPROM for writing */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4132	if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4133	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4134
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4135	if (eeprom->type == e1000_eeprom_microwire) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4136	status = e1000_write_eeprom_microwire(hw, offset, words, data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4137	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4138	status = e1000_write_eeprom_spi(hw, offset, words, data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4139	msleep(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4140	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4141
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4142	/* Done with writing */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4143	e1000_release_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4144
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4145	return status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4146	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4147
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4148	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4149	* e1000_write_eeprom_spi - Writes a 16 bit word to a given offset in an SPI EEPROM.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4150	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4151	* @offset: offset within the EEPROM to be written to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4152	* @words: number of words to write
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4153	* @data: pointer to array of 8 bit words to be written to the EEPROM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4154	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4155	static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset, u16 words,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4156	u16 *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4157	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4158	struct e1000_eeprom_info *eeprom = &hw->eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4159	u16 widx = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4160
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4161	e_dbg("e1000_write_eeprom_spi");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4162
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4163	while (widx < words) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4164	u8 write_opcode = EEPROM_WRITE_OPCODE_SPI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4165
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4166	if (e1000_spi_eeprom_ready(hw))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4167	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4168
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4169	e1000_standby_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4170
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4171	/* Send the WRITE ENABLE command (8 bit opcode ) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4172	e1000_shift_out_ee_bits(hw, EEPROM_WREN_OPCODE_SPI,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4173	eeprom->opcode_bits);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4174
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4175	e1000_standby_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4176
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4177	/* Some SPI eeproms use the 8th address bit embedded in the opcode */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4178	if ((eeprom->address_bits == 8) && (offset >= 128))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4179	write_opcode \|= EEPROM_A8_OPCODE_SPI;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4180
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4181	/* Send the Write command (8-bit opcode + addr) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4182	e1000_shift_out_ee_bits(hw, write_opcode, eeprom->opcode_bits);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4183
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4184	e1000_shift_out_ee_bits(hw, (u16) ((offset + widx) * 2),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4185	eeprom->address_bits);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4186
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4187	/* Send the data */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4188
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4189	/* Loop to allow for up to whole page write (32 bytes) of eeprom */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4190	while (widx < words) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4191	u16 word_out = data[widx];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4192	word_out = (word_out >> 8) \| (word_out << 8);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4193	e1000_shift_out_ee_bits(hw, word_out, 16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4194	widx++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4195
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4196	/* Some larger eeprom sizes are capable of a 32-byte PAGE WRITE
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4197	* operation, while the smaller eeproms are capable of an 8-byte
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4198	* PAGE WRITE operation. Break the inner loop to pass new address
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4199	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4200	if ((((offset + widx) * 2) % eeprom->page_size) == 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4201	e1000_standby_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4202	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4203	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4204	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4205	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4206
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4207	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4208	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4209
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4210	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4211	* e1000_write_eeprom_microwire - Writes a 16 bit word to a given offset in a Microwire EEPROM.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4212	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4213	* @offset: offset within the EEPROM to be written to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4214	* @words: number of words to write
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4215	* @data: pointer to array of 8 bit words to be written to the EEPROM
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4216	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4217	static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4218	u16 words, u16 *data)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4219	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4220	struct e1000_eeprom_info *eeprom = &hw->eeprom;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4221	u32 eecd;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4222	u16 words_written = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4223	u16 i = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4224
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4225	e_dbg("e1000_write_eeprom_microwire");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4226
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4227	/* Send the write enable command to the EEPROM (3-bit opcode plus
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4228	* 6/8-bit dummy address beginning with 11). It's less work to include
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4229	* the 11 of the dummy address as part of the opcode than it is to shift
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4230	* it over the correct number of bits for the address. This puts the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4231	* EEPROM into write/erase mode.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4232	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4233	e1000_shift_out_ee_bits(hw, EEPROM_EWEN_OPCODE_MICROWIRE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4234	(u16) (eeprom->opcode_bits + 2));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4235
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4236	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4237
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4238	/* Prepare the EEPROM */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4239	e1000_standby_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4240
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4241	while (words_written < words) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4242	/* Send the Write command (3-bit opcode + addr) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4243	e1000_shift_out_ee_bits(hw, EEPROM_WRITE_OPCODE_MICROWIRE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4244	eeprom->opcode_bits);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4245
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4246	e1000_shift_out_ee_bits(hw, (u16) (offset + words_written),
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4247	eeprom->address_bits);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4248
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4249	/* Send the data */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4250	e1000_shift_out_ee_bits(hw, data[words_written], 16);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4251
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4252	/* Toggle the CS line. This in effect tells the EEPROM to execute
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4253	* the previous command.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4254	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4255	e1000_standby_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4256
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4257	/* Read DO repeatedly until it is high (equal to '1'). The EEPROM will
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4258	* signal that the command has been completed by raising the DO signal.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4259	* If DO does not go high in 10 milliseconds, then error out.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4260	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4261	for (i = 0; i < 200; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4262	eecd = er32(EECD);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4263	if (eecd & E1000_EECD_DO)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4264	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4265	udelay(50);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4266	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4267	if (i == 200) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4268	e_dbg("EEPROM Write did not complete\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4269	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4270	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4271
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4272	/* Recover from write */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4273	e1000_standby_eeprom(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4274
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4275	words_written++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4276	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4277
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4278	/* Send the write disable command to the EEPROM (3-bit opcode plus
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4279	* 6/8-bit dummy address beginning with 10). It's less work to include
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4280	* the 10 of the dummy address as part of the opcode than it is to shift
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4281	* it over the correct number of bits for the address. This takes the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4282	* EEPROM out of write/erase mode.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4283	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4284	e1000_shift_out_ee_bits(hw, EEPROM_EWDS_OPCODE_MICROWIRE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4285	(u16) (eeprom->opcode_bits + 2));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4286
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4287	e1000_shift_out_ee_bits(hw, 0, (u16) (eeprom->address_bits - 2));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4288
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4289	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4290	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4291
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4292	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4293	* e1000_read_mac_addr - read the adapters MAC from eeprom
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4294	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4295	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4296	* Reads the adapter's MAC address from the EEPROM and inverts the LSB for the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4297	* second function of dual function devices
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4298	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4299	s32 e1000_read_mac_addr(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4300	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4301	u16 offset;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4302	u16 eeprom_data, i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4303
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4304	e_dbg("e1000_read_mac_addr");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4305
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4306	for (i = 0; i < NODE_ADDRESS_SIZE; i += 2) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4307	offset = i >> 1;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4308	if (e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4309	e_dbg("EEPROM Read Error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4310	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4311	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4312	hw->perm_mac_addr[i] = (u8) (eeprom_data & 0x00FF);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4313	hw->perm_mac_addr[i + 1] = (u8) (eeprom_data >> 8);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4314	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4315
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4316	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4317	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4318	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4319	case e1000_82546:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4320	case e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4321	if (er32(STATUS) & E1000_STATUS_FUNC_1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4322	hw->perm_mac_addr[5] ^= 0x01;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4323	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4324	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4325
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4326	for (i = 0; i < NODE_ADDRESS_SIZE; i++)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4327	hw->mac_addr[i] = hw->perm_mac_addr[i];
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4328	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4329	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4330
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4331	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4332	* e1000_init_rx_addrs - Initializes receive address filters.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4333	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4334	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4335	* Places the MAC address in receive address register 0 and clears the rest
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4336	* of the receive address registers. Clears the multicast table. Assumes
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4337	* the receiver is in reset when the routine is called.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4338	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4339	static void e1000_init_rx_addrs(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4340	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4341	u32 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4342	u32 rar_num;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4343
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4344	e_dbg("e1000_init_rx_addrs");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4345
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4346	/* Setup the receive address. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4347	e_dbg("Programming MAC Address into RAR[0]\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4348
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4349	e1000_rar_set(hw, hw->mac_addr, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4350
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4351	rar_num = E1000_RAR_ENTRIES;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4352
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4353	/* Zero out the other 15 receive addresses. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4354	e_dbg("Clearing RAR[1-15]\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4355	for (i = 1; i < rar_num; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4356	E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4357	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4358	E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4359	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4360	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4361	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4362
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4363	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4364	* e1000_hash_mc_addr - Hashes an address to determine its location in the multicast table
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4365	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4366	* @mc_addr: the multicast address to hash
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4367	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4368	u32 e1000_hash_mc_addr(struct e1000_hw hw, u8 mc_addr)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4369	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4370	u32 hash_value = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4371
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4372	/* The portion of the address that is used for the hash table is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4373	* determined by the mc_filter_type setting.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4374	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4375	switch (hw->mc_filter_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4376	/* [0] [1] [2] [3] [4] [5]
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4377	* 01 AA 00 12 34 56
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4378	* LSB MSB
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4379	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4380	case 0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4381	/* [47:36] i.e. 0x563 for above example address */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4382	hash_value = ((mc_addr[4] >> 4) \| (((u16) mc_addr[5]) << 4));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4383	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4384	case 1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4385	/* [46:35] i.e. 0xAC6 for above example address */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4386	hash_value = ((mc_addr[4] >> 3) \| (((u16) mc_addr[5]) << 5));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4387	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4388	case 2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4389	/* [45:34] i.e. 0x5D8 for above example address */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4390	hash_value = ((mc_addr[4] >> 2) \| (((u16) mc_addr[5]) << 6));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4391	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4392	case 3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4393	/* [43:32] i.e. 0x634 for above example address */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4394	hash_value = ((mc_addr[4]) \| (((u16) mc_addr[5]) << 8));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4395	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4396	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4397
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4398	hash_value &= 0xFFF;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4399	return hash_value;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4400	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4401
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4402	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4403	* e1000_rar_set - Puts an ethernet address into a receive address register.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4404	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4405	* @addr: Address to put into receive address register
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4406	* @index: Receive address register to write
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4407	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4408	void e1000_rar_set(struct e1000_hw hw, u8 addr, u32 index)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4409	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4410	u32 rar_low, rar_high;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4411
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4412	/* HW expects these in little endian so we reverse the byte order
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4413	* from network order (big endian) to little endian
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4414	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4415	rar_low = ((u32) addr[0] \| ((u32) addr[1] << 8) \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4416	((u32) addr[2] << 16) \| ((u32) addr[3] << 24));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4417	rar_high = ((u32) addr[4] \| ((u32) addr[5] << 8));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4418
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4419	/* Disable Rx and flush all Rx frames before enabling RSS to avoid Rx
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4420	* unit hang.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4421	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4422	* Description:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4423	* If there are any Rx frames queued up or otherwise present in the HW
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4424	* before RSS is enabled, and then we enable RSS, the HW Rx unit will
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4425	* hang. To work around this issue, we have to disable receives and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4426	* flush out all Rx frames before we enable RSS. To do so, we modify we
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4427	* redirect all Rx traffic to manageability and then reset the HW.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4428	* This flushes away Rx frames, and (since the redirections to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4429	* manageability persists across resets) keeps new ones from coming in
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4430	* while we work. Then, we clear the Address Valid AV bit for all MAC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4431	* addresses and undo the re-direction to manageability.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4432	* Now, frames are coming in again, but the MAC won't accept them, so
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4433	* far so good. We now proceed to initialize RSS (if necessary) and
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4434	* configure the Rx unit. Last, we re-enable the AV bits and continue
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4435	* on our merry way.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4436	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4437	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4438	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4439	/* Indicate to hardware the Address is Valid. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4440	rar_high \|= E1000_RAH_AV;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4441	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4442	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4443
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4444	E1000_WRITE_REG_ARRAY(hw, RA, (index << 1), rar_low);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4445	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4446	E1000_WRITE_REG_ARRAY(hw, RA, ((index << 1) + 1), rar_high);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4447	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4448	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4449
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4450	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4451	* e1000_write_vfta - Writes a value to the specified offset in the VLAN filter table.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4452	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4453	* @offset: Offset in VLAN filer table to write
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4454	* @value: Value to write into VLAN filter table
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4455	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4456	void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4457	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4458	u32 temp;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4459
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4460	if ((hw->mac_type == e1000_82544) && ((offset & 0x1) == 1)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4461	temp = E1000_READ_REG_ARRAY(hw, VFTA, (offset - 1));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4462	E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4463	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4464	E1000_WRITE_REG_ARRAY(hw, VFTA, (offset - 1), temp);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4465	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4466	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4467	E1000_WRITE_REG_ARRAY(hw, VFTA, offset, value);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4468	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4469	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4470	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4471
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4472	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4473	* e1000_clear_vfta - Clears the VLAN filer table
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4474	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4475	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4476	static void e1000_clear_vfta(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4477	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4478	u32 offset;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4479	u32 vfta_value = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4480	u32 vfta_offset = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4481	u32 vfta_bit_in_reg = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4482
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4483	for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4484	/* If the offset we want to clear is the same offset of the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4485	* manageability VLAN ID, then clear all bits except that of the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4486	* manageability unit */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4487	vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4488	E1000_WRITE_REG_ARRAY(hw, VFTA, offset, vfta_value);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4489	E1000_WRITE_FLUSH();
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4490	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4491	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4492
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4493	static s32 e1000_id_led_init(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4494	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4495	u32 ledctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4496	const u32 ledctl_mask = 0x000000FF;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4497	const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4498	const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4499	u16 eeprom_data, i, temp;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4500	const u16 led_mask = 0x0F;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4501
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4502	e_dbg("e1000_id_led_init");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4503
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4504	if (hw->mac_type < e1000_82540) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4505	/* Nothing to do */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4506	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4507	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4508
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4509	ledctl = er32(LEDCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4510	hw->ledctl_default = ledctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4511	hw->ledctl_mode1 = hw->ledctl_default;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4512	hw->ledctl_mode2 = hw->ledctl_default;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4513
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4514	if (e1000_read_eeprom(hw, EEPROM_ID_LED_SETTINGS, 1, &eeprom_data) < 0) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4515	e_dbg("EEPROM Read Error\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4516	return -E1000_ERR_EEPROM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4517	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4518
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4519	if ((eeprom_data == ID_LED_RESERVED_0000) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4520	(eeprom_data == ID_LED_RESERVED_FFFF)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4521	eeprom_data = ID_LED_DEFAULT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4522	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4523
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4524	for (i = 0; i < 4; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4525	temp = (eeprom_data >> (i << 2)) & led_mask;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4526	switch (temp) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4527	case ID_LED_ON1_DEF2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4528	case ID_LED_ON1_ON2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4529	case ID_LED_ON1_OFF2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4530	hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4531	hw->ledctl_mode1 \|= ledctl_on << (i << 3);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4532	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4533	case ID_LED_OFF1_DEF2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4534	case ID_LED_OFF1_ON2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4535	case ID_LED_OFF1_OFF2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4536	hw->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4537	hw->ledctl_mode1 \|= ledctl_off << (i << 3);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4538	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4539	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4540	/* Do nothing */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4541	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4542	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4543	switch (temp) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4544	case ID_LED_DEF1_ON2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4545	case ID_LED_ON1_ON2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4546	case ID_LED_OFF1_ON2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4547	hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4548	hw->ledctl_mode2 \|= ledctl_on << (i << 3);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4549	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4550	case ID_LED_DEF1_OFF2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4551	case ID_LED_ON1_OFF2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4552	case ID_LED_OFF1_OFF2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4553	hw->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4554	hw->ledctl_mode2 \|= ledctl_off << (i << 3);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4555	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4556	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4557	/* Do nothing */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4558	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4559	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4560	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4561	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4562	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4563
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4564	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4565	* e1000_setup_led
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4566	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4567	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4568	* Prepares SW controlable LED for use and saves the current state of the LED.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4569	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4570	s32 e1000_setup_led(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4571	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4572	u32 ledctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4573	s32 ret_val = E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4574
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4575	e_dbg("e1000_setup_led");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4576
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4577	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4578	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4579	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4580	case e1000_82543:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4581	case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4582	/* No setup necessary */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4583	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4584	case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4585	case e1000_82547:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4586	case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4587	case e1000_82547_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4588	/* Turn off PHY Smart Power Down (if enabled) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4589	ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4590	&hw->phy_spd_default);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4591	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4592	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4593	ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4594	(u16) (hw->phy_spd_default &
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4595	~IGP01E1000_GMII_SPD));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4596	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4597	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4598	/* Fall Through */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4599	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4600	if (hw->media_type == e1000_media_type_fiber) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4601	ledctl = er32(LEDCTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4602	/* Save current LEDCTL settings */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4603	hw->ledctl_default = ledctl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4604	/* Turn off LED0 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4605	ledctl &= ~(E1000_LEDCTL_LED0_IVRT \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4606	E1000_LEDCTL_LED0_BLINK \|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4607	E1000_LEDCTL_LED0_MODE_MASK);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4608	ledctl \|= (E1000_LEDCTL_MODE_LED_OFF <<
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4609	E1000_LEDCTL_LED0_MODE_SHIFT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4610	ew32(LEDCTL, ledctl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4611	} else if (hw->media_type == e1000_media_type_copper)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4612	ew32(LEDCTL, hw->ledctl_mode1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4613	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4614	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4615
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4616	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4617	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4618
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4619	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4620	* e1000_cleanup_led - Restores the saved state of the SW controlable LED.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4621	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4622	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4623	s32 e1000_cleanup_led(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4624	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4625	s32 ret_val = E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4626
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4627	e_dbg("e1000_cleanup_led");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4628
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4629	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4630	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4631	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4632	case e1000_82543:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4633	case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4634	/* No cleanup necessary */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4635	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4636	case e1000_82541:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4637	case e1000_82547:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4638	case e1000_82541_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4639	case e1000_82547_rev_2:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4640	/* Turn on PHY Smart Power Down (if previously enabled) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4641	ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4642	hw->phy_spd_default);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4643	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4644	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4645	/* Fall Through */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4646	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4647	/* Restore LEDCTL settings */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4648	ew32(LEDCTL, hw->ledctl_default);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4649	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4650	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4651
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4652	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4653	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4654
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4655	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4656	* e1000_led_on - Turns on the software controllable LED
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4657	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4658	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4659	s32 e1000_led_on(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4660	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4661	u32 ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4662
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4663	e_dbg("e1000_led_on");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4664
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4665	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4666	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4667	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4668	case e1000_82543:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4669	/* Set SW Defineable Pin 0 to turn on the LED */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4670	ctrl \|= E1000_CTRL_SWDPIN0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4671	ctrl \|= E1000_CTRL_SWDPIO0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4672	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4673	case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4674	if (hw->media_type == e1000_media_type_fiber) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4675	/* Set SW Defineable Pin 0 to turn on the LED */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4676	ctrl \|= E1000_CTRL_SWDPIN0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4677	ctrl \|= E1000_CTRL_SWDPIO0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4678	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4679	/* Clear SW Defineable Pin 0 to turn on the LED */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4680	ctrl &= ~E1000_CTRL_SWDPIN0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4681	ctrl \|= E1000_CTRL_SWDPIO0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4682	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4683	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4684	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4685	if (hw->media_type == e1000_media_type_fiber) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4686	/* Clear SW Defineable Pin 0 to turn on the LED */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4687	ctrl &= ~E1000_CTRL_SWDPIN0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4688	ctrl \|= E1000_CTRL_SWDPIO0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4689	} else if (hw->media_type == e1000_media_type_copper) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4690	ew32(LEDCTL, hw->ledctl_mode2);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4691	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4692	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4693	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4694	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4695
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4696	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4697
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4698	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4699	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4700
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4701	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4702	* e1000_led_off - Turns off the software controllable LED
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4703	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4704	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4705	s32 e1000_led_off(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4706	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4707	u32 ctrl = er32(CTRL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4708
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4709	e_dbg("e1000_led_off");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4710
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4711	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4712	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4713	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4714	case e1000_82543:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4715	/* Clear SW Defineable Pin 0 to turn off the LED */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4716	ctrl &= ~E1000_CTRL_SWDPIN0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4717	ctrl \|= E1000_CTRL_SWDPIO0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4718	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4719	case e1000_82544:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4720	if (hw->media_type == e1000_media_type_fiber) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4721	/* Clear SW Defineable Pin 0 to turn off the LED */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4722	ctrl &= ~E1000_CTRL_SWDPIN0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4723	ctrl \|= E1000_CTRL_SWDPIO0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4724	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4725	/* Set SW Defineable Pin 0 to turn off the LED */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4726	ctrl \|= E1000_CTRL_SWDPIN0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4727	ctrl \|= E1000_CTRL_SWDPIO0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4728	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4729	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4730	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4731	if (hw->media_type == e1000_media_type_fiber) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4732	/* Set SW Defineable Pin 0 to turn off the LED */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4733	ctrl \|= E1000_CTRL_SWDPIN0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4734	ctrl \|= E1000_CTRL_SWDPIO0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4735	} else if (hw->media_type == e1000_media_type_copper) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4736	ew32(LEDCTL, hw->ledctl_mode1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4737	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4738	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4739	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4740	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4741
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4742	ew32(CTRL, ctrl);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4743
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4744	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4745	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4746
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4747	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4748	* e1000_clear_hw_cntrs - Clears all hardware statistics counters.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4749	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4750	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4751	static void e1000_clear_hw_cntrs(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4752	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4753	volatile u32 temp __attribute__ ((unused));
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4754
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4755	temp = er32(CRCERRS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4756	temp = er32(SYMERRS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4757	temp = er32(MPC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4758	temp = er32(SCC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4759	temp = er32(ECOL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4760	temp = er32(MCC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4761	temp = er32(LATECOL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4762	temp = er32(COLC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4763	temp = er32(DC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4764	temp = er32(SEC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4765	temp = er32(RLEC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4766	temp = er32(XONRXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4767	temp = er32(XONTXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4768	temp = er32(XOFFRXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4769	temp = er32(XOFFTXC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4770	temp = er32(FCRUC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4771
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4772	temp = er32(PRC64);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4773	temp = er32(PRC127);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4774	temp = er32(PRC255);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4775	temp = er32(PRC511);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4776	temp = er32(PRC1023);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4777	temp = er32(PRC1522);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4778
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4779	temp = er32(GPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4780	temp = er32(BPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4781	temp = er32(MPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4782	temp = er32(GPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4783	temp = er32(GORCL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4784	temp = er32(GORCH);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4785	temp = er32(GOTCL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4786	temp = er32(GOTCH);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4787	temp = er32(RNBC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4788	temp = er32(RUC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4789	temp = er32(RFC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4790	temp = er32(ROC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4791	temp = er32(RJC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4792	temp = er32(TORL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4793	temp = er32(TORH);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4794	temp = er32(TOTL);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4795	temp = er32(TOTH);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4796	temp = er32(TPR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4797	temp = er32(TPT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4798
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4799	temp = er32(PTC64);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4800	temp = er32(PTC127);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4801	temp = er32(PTC255);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4802	temp = er32(PTC511);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4803	temp = er32(PTC1023);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4804	temp = er32(PTC1522);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4805
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4806	temp = er32(MPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4807	temp = er32(BPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4808
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4809	if (hw->mac_type < e1000_82543)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4810	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4811
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4812	temp = er32(ALGNERRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4813	temp = er32(RXERRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4814	temp = er32(TNCRS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4815	temp = er32(CEXTERR);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4816	temp = er32(TSCTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4817	temp = er32(TSCTFC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4818
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4819	if (hw->mac_type <= e1000_82544)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4820	return;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4821
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4822	temp = er32(MGTPRC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4823	temp = er32(MGTPDC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4824	temp = er32(MGTPTC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4825	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4826
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4827	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4828	* e1000_reset_adaptive - Resets Adaptive IFS to its default state.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4829	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4830	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4831	* Call this after e1000_init_hw. You may override the IFS defaults by setting
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4832	* hw->ifs_params_forced to true. However, you must initialize hw->
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4833	* current_ifs_val, ifs_min_val, ifs_max_val, ifs_step_size, and ifs_ratio
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4834	* before calling this function.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4835	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4836	void e1000_reset_adaptive(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4837	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4838	e_dbg("e1000_reset_adaptive");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4839
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4840	if (hw->adaptive_ifs) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4841	if (!hw->ifs_params_forced) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4842	hw->current_ifs_val = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4843	hw->ifs_min_val = IFS_MIN;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4844	hw->ifs_max_val = IFS_MAX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4845	hw->ifs_step_size = IFS_STEP;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4846	hw->ifs_ratio = IFS_RATIO;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4847	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4848	hw->in_ifs_mode = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4849	ew32(AIT, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4850	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4851	e_dbg("Not in Adaptive IFS mode!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4852	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4853	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4854
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4855	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4856	* e1000_update_adaptive - update adaptive IFS
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4857	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4858	* @tx_packets: Number of transmits since last callback
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4859	* @total_collisions: Number of collisions since last callback
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4860	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4861	* Called during the callback/watchdog routine to update IFS value based on
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4862	* the ratio of transmits to collisions.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4863	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4864	void e1000_update_adaptive(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4865	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4866	e_dbg("e1000_update_adaptive");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4867
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4868	if (hw->adaptive_ifs) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4869	if ((hw->collision_delta *hw->ifs_ratio) > hw->tx_packet_delta) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4870	if (hw->tx_packet_delta > MIN_NUM_XMITS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4871	hw->in_ifs_mode = true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4872	if (hw->current_ifs_val < hw->ifs_max_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4873	if (hw->current_ifs_val == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4874	hw->current_ifs_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4875	hw->ifs_min_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4876	else
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4877	hw->current_ifs_val +=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4878	hw->ifs_step_size;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4879	ew32(AIT, hw->current_ifs_val);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4880	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4881	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4882	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4883	if (hw->in_ifs_mode
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4884	&& (hw->tx_packet_delta <= MIN_NUM_XMITS)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4885	hw->current_ifs_val = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4886	hw->in_ifs_mode = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4887	ew32(AIT, 0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4888	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4889	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4890	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4891	e_dbg("Not in Adaptive IFS mode!\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4892	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4893	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4894
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4895	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4896	* e1000_tbi_adjust_stats
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4897	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4898	* @frame_len: The length of the frame in question
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4899	* @mac_addr: The Ethernet destination address of the frame in question
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4900	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4901	* Adjusts the statistic counters when a frame is accepted by TBI_ACCEPT
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4902	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4903	void e1000_tbi_adjust_stats(struct e1000_hw hw, struct e1000_hw_stats stats,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4904	u32 frame_len, u8 *mac_addr)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4905	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4906	u64 carry_bit;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4907
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4908	/* First adjust the frame length. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4909	frame_len--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4910	/* We need to adjust the statistics counters, since the hardware
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4911	* counters overcount this packet as a CRC error and undercount
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4912	* the packet as a good packet
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4913	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4914	/* This packet should not be counted as a CRC error. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4915	stats->crcerrs--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4916	/* This packet does count as a Good Packet Received. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4917	stats->gprc++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4918
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4919	/* Adjust the Good Octets received counters */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4920	carry_bit = 0x80000000 & stats->gorcl;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4921	stats->gorcl += frame_len;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4922	/* If the high bit of Gorcl (the low 32 bits of the Good Octets
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4923	* Received Count) was one before the addition,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4924	* AND it is zero after, then we lost the carry out,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4925	* need to add one to Gorch (Good Octets Received Count High).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4926	* This could be simplified if all environments supported
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4927	* 64-bit integers.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4928	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4929	if (carry_bit && ((stats->gorcl & 0x80000000) == 0))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4930	stats->gorch++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4931	/* Is this a broadcast or multicast? Check broadcast first,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4932	* since the test for a multicast frame will test positive on
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4933	* a broadcast frame.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4934	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4935	if ((mac_addr[0] == (u8) 0xff) && (mac_addr[1] == (u8) 0xff))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4936	/* Broadcast packet */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4937	stats->bprc++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4938	else if (*mac_addr & 0x01)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4939	/* Multicast packet */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4940	stats->mprc++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4941
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4942	if (frame_len == hw->max_frame_size) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4943	/* In this case, the hardware has overcounted the number of
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4944	* oversize frames.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4945	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4946	if (stats->roc > 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4947	stats->roc--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4948	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4949
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4950	/* Adjust the bin counters when the extra byte put the frame in the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4951	* wrong bin. Remember that the frame_len was adjusted above.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4952	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4953	if (frame_len == 64) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4954	stats->prc64++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4955	stats->prc127--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4956	} else if (frame_len == 127) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4957	stats->prc127++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4958	stats->prc255--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4959	} else if (frame_len == 255) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4960	stats->prc255++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4961	stats->prc511--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4962	} else if (frame_len == 511) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4963	stats->prc511++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4964	stats->prc1023--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4965	} else if (frame_len == 1023) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4966	stats->prc1023++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4967	stats->prc1522--;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4968	} else if (frame_len == 1522) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4969	stats->prc1522++;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4970	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4971	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4972
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4973	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4974	* e1000_get_bus_info
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4975	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4976	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4977	* Gets the current PCI bus type, speed, and width of the hardware
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4978	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4979	void e1000_get_bus_info(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4980	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4981	u32 status;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4982
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4983	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4984	case e1000_82542_rev2_0:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4985	case e1000_82542_rev2_1:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4986	hw->bus_type = e1000_bus_type_pci;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4987	hw->bus_speed = e1000_bus_speed_unknown;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4988	hw->bus_width = e1000_bus_width_unknown;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4989	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4990	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4991	status = er32(STATUS);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4992	hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4993	e1000_bus_type_pcix : e1000_bus_type_pci;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4994
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4995	if (hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4996	hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4997	e1000_bus_speed_66 : e1000_bus_speed_120;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4998	} else if (hw->bus_type == e1000_bus_type_pci) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	4999	hw->bus_speed = (status & E1000_STATUS_PCI66) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5000	e1000_bus_speed_66 : e1000_bus_speed_33;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5001	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5002	switch (status & E1000_STATUS_PCIX_SPEED) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5003	case E1000_STATUS_PCIX_SPEED_66:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5004	hw->bus_speed = e1000_bus_speed_66;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5005	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5006	case E1000_STATUS_PCIX_SPEED_100:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5007	hw->bus_speed = e1000_bus_speed_100;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5008	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5009	case E1000_STATUS_PCIX_SPEED_133:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5010	hw->bus_speed = e1000_bus_speed_133;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5011	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5012	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5013	hw->bus_speed = e1000_bus_speed_reserved;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5014	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5015	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5016	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5017	hw->bus_width = (status & E1000_STATUS_BUS64) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5018	e1000_bus_width_64 : e1000_bus_width_32;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5019	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5020	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5021	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5022
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5023	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5024	* e1000_write_reg_io
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5025	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5026	* @offset: offset to write to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5027	* @value: value to write
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5028	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5029	* Writes a value to one of the devices registers using port I/O (as opposed to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5030	* memory mapped I/O). Only 82544 and newer devices support port I/O.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5031	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5032	static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5033	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5034	unsigned long io_addr = hw->io_base;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5035	unsigned long io_data = hw->io_base + 4;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5036
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5037	e1000_io_write(hw, io_addr, offset);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5038	e1000_io_write(hw, io_data, value);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5039	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5040
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5041	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5042	* e1000_get_cable_length - Estimates the cable length.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5043	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5044	* @min_length: The estimated minimum length
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5045	* @max_length: The estimated maximum length
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5046	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5047	* returns: - E1000_ERR_XXX
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5048	* E1000_SUCCESS
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5049	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5050	* This function always returns a ranged length (minimum & maximum).
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5051	* So for M88 phy's, this function interprets the one value returned from the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5052	* register to the minimum and maximum range.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5053	* For IGP phy's, the function calculates the range by the AGC registers.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5054	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5055	static s32 e1000_get_cable_length(struct e1000_hw hw, u16 min_length,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5056	u16 *max_length)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5057	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5058	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5059	u16 agc_value = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5060	u16 i, phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5061	u16 cable_length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5062
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5063	e_dbg("e1000_get_cable_length");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5064
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5065	min_length = max_length = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5066
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5067	/* Use old method for Phy older than IGP */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5068	if (hw->phy_type == e1000_phy_m88) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5069
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5070	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5071	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5072	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5073	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5074	cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5075	M88E1000_PSSR_CABLE_LENGTH_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5076
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5077	/* Convert the enum value to ranged values */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5078	switch (cable_length) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5079	case e1000_cable_length_50:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5080	*min_length = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5081	*max_length = e1000_igp_cable_length_50;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5082	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5083	case e1000_cable_length_50_80:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5084	*min_length = e1000_igp_cable_length_50;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5085	*max_length = e1000_igp_cable_length_80;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5086	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5087	case e1000_cable_length_80_110:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5088	*min_length = e1000_igp_cable_length_80;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5089	*max_length = e1000_igp_cable_length_110;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5090	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5091	case e1000_cable_length_110_140:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5092	*min_length = e1000_igp_cable_length_110;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5093	*max_length = e1000_igp_cable_length_140;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5094	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5095	case e1000_cable_length_140:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5096	*min_length = e1000_igp_cable_length_140;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5097	*max_length = e1000_igp_cable_length_170;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5098	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5099	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5100	return -E1000_ERR_PHY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5101	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5102	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5103	} else if (hw->phy_type == e1000_phy_igp) { /* For IGP PHY */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5104	u16 cur_agc_value;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5105	u16 min_agc_value = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5106	static const u16 agc_reg_array[IGP01E1000_PHY_CHANNEL_NUM] = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5107	IGP01E1000_PHY_AGC_A,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5108	IGP01E1000_PHY_AGC_B,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5109	IGP01E1000_PHY_AGC_C,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5110	IGP01E1000_PHY_AGC_D
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5111	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5112	/* Read the AGC registers for all channels */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5113	for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5114
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5115	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5116	e1000_read_phy_reg(hw, agc_reg_array[i], &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5117	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5118	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5119
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5120	cur_agc_value = phy_data >> IGP01E1000_AGC_LENGTH_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5121
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5122	/* Value bound check. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5123	if ((cur_agc_value >=
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5124	IGP01E1000_AGC_LENGTH_TABLE_SIZE - 1)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5125	\|\| (cur_agc_value == 0))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5126	return -E1000_ERR_PHY;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5127
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5128	agc_value += cur_agc_value;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5129
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5130	/* Update minimal AGC value. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5131	if (min_agc_value > cur_agc_value)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5132	min_agc_value = cur_agc_value;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5133	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5134
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5135	/* Remove the minimal AGC result for length < 50m */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5136	if (agc_value <
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5137	IGP01E1000_PHY_CHANNEL_NUM * e1000_igp_cable_length_50) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5138	agc_value -= min_agc_value;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5139
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5140	/* Get the average length of the remaining 3 channels */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5141	agc_value /= (IGP01E1000_PHY_CHANNEL_NUM - 1);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5142	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5143	/* Get the average length of all the 4 channels. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5144	agc_value /= IGP01E1000_PHY_CHANNEL_NUM;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5145	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5146
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5147	/* Set the range of the calculated length. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5148	*min_length = ((e1000_igp_cable_length_table[agc_value] -
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5149	IGP01E1000_AGC_RANGE) > 0) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5150	(e1000_igp_cable_length_table[agc_value] -
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5151	IGP01E1000_AGC_RANGE) : 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5152	*max_length = e1000_igp_cable_length_table[agc_value] +
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5153	IGP01E1000_AGC_RANGE;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5154	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5155
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5156	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5157	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5158
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5159	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5160	* e1000_check_polarity - Check the cable polarity
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5161	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5162	* @polarity: output parameter : 0 - Polarity is not reversed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5163	* 1 - Polarity is reversed.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5164	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5165	* returns: - E1000_ERR_XXX
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5166	* E1000_SUCCESS
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5167	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5168	* For phy's older than IGP, this function simply reads the polarity bit in the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5169	* Phy Status register. For IGP phy's, this bit is valid only if link speed is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5170	* 10 Mbps. If the link speed is 100 Mbps there is no polarity so this bit will
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5171	* return 0. If the link speed is 1000 Mbps the polarity status is in the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5172	* IGP01E1000_PHY_PCS_INIT_REG.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5173	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5174	static s32 e1000_check_polarity(struct e1000_hw *hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5175	e1000_rev_polarity *polarity)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5176	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5177	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5178	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5179
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5180	e_dbg("e1000_check_polarity");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5181
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5182	if (hw->phy_type == e1000_phy_m88) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5183	/* return the Polarity bit in the Status register. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5184	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5185	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5186	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5187	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5188	*polarity = ((phy_data & M88E1000_PSSR_REV_POLARITY) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5189	M88E1000_PSSR_REV_POLARITY_SHIFT) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5190	e1000_rev_polarity_reversed : e1000_rev_polarity_normal;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5191
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5192	} else if (hw->phy_type == e1000_phy_igp) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5193	/* Read the Status register to check the speed */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5194	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5195	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5196	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5197	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5198
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5199	/* If speed is 1000 Mbps, must read the IGP01E1000_PHY_PCS_INIT_REG to
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5200	* find the polarity status */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5201	if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5202	IGP01E1000_PSSR_SPEED_1000MBPS) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5203
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5204	/* Read the GIG initialization PCS register (0x00B4) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5205	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5206	e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5207	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5208	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5209	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5210
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5211	/* Check the polarity bits */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5212	*polarity = (phy_data & IGP01E1000_PHY_POLARITY_MASK) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5213	e1000_rev_polarity_reversed :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5214	e1000_rev_polarity_normal;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5215	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5216	/* For 10 Mbps, read the polarity bit in the status register. (for
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5217	* 100 Mbps this bit is always 0) */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5218	*polarity =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5219	(phy_data & IGP01E1000_PSSR_POLARITY_REVERSED) ?
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5220	e1000_rev_polarity_reversed :
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5221	e1000_rev_polarity_normal;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5222	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5223	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5224	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5225	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5226
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5227	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5228	* e1000_check_downshift - Check if Downshift occurred
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5229	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5230	* @downshift: output parameter : 0 - No Downshift occurred.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5231	* 1 - Downshift occurred.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5232	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5233	* returns: - E1000_ERR_XXX
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5234	* E1000_SUCCESS
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5235	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5236	* For phy's older than IGP, this function reads the Downshift bit in the Phy
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5237	* Specific Status register. For IGP phy's, it reads the Downgrade bit in the
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5238	* Link Health register. In IGP this bit is latched high, so the driver must
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5239	* read it immediately after link is established.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5240	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5241	static s32 e1000_check_downshift(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5242	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5243	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5244	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5245
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5246	e_dbg("e1000_check_downshift");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5247
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5248	if (hw->phy_type == e1000_phy_igp) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5249	ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5250	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5251	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5252	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5253
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5254	hw->speed_downgraded =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5255	(phy_data & IGP01E1000_PLHR_SS_DOWNGRADE) ? 1 : 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5256	} else if (hw->phy_type == e1000_phy_m88) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5257	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5258	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5259	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5260	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5261
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5262	hw->speed_downgraded = (phy_data & M88E1000_PSSR_DOWNSHIFT) >>
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5263	M88E1000_PSSR_DOWNSHIFT_SHIFT;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5264	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5265
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5266	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5267	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5268
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5269	static const u16 dsp_reg_array[IGP01E1000_PHY_CHANNEL_NUM] = {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5270	IGP01E1000_PHY_AGC_PARAM_A,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5271	IGP01E1000_PHY_AGC_PARAM_B,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5272	IGP01E1000_PHY_AGC_PARAM_C,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5273	IGP01E1000_PHY_AGC_PARAM_D
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5274	};
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5275
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5276	static s32 e1000_1000Mb_check_cable_length(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5277	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5278	u16 min_length, max_length;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5279	u16 phy_data, i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5280	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5281
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5282	ret_val = e1000_get_cable_length(hw, &min_length, &max_length);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5283	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5284	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5285
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5286	if (hw->dsp_config_state != e1000_dsp_config_enabled)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5287	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5288
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5289	if (min_length >= e1000_igp_cable_length_50) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5290	for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5291	ret_val = e1000_read_phy_reg(hw, dsp_reg_array[i],
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5292	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5293	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5294	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5295
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5296	phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5297
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5298	ret_val = e1000_write_phy_reg(hw, dsp_reg_array[i],
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5299	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5300	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5301	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5302	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5303	hw->dsp_config_state = e1000_dsp_config_activated;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5304	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5305	u16 ffe_idle_err_timeout = FFE_IDLE_ERR_COUNT_TIMEOUT_20;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5306	u32 idle_errs = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5307
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5308	/* clear previous idle error counts */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5309	ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5310	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5311	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5312
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5313	for (i = 0; i < ffe_idle_err_timeout; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5314	udelay(1000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5315	ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5316	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5317	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5318	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5319
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5320	idle_errs += (phy_data & SR_1000T_IDLE_ERROR_CNT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5321	if (idle_errs > SR_1000T_PHY_EXCESSIVE_IDLE_ERR_COUNT) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5322	hw->ffe_config_state = e1000_ffe_config_active;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5323
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5324	ret_val = e1000_write_phy_reg(hw,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5325	IGP01E1000_PHY_DSP_FFE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5326	IGP01E1000_PHY_DSP_FFE_CM_CP);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5327	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5328	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5329	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5330	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5331
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5332	if (idle_errs)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5333	ffe_idle_err_timeout =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5334	FFE_IDLE_ERR_COUNT_TIMEOUT_100;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5335	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5336	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5337
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5338	return 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5339	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5340
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5341	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5342	* e1000_config_dsp_after_link_change
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5343	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5344	* @link_up: was link up at the time this was called
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5345	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5346	* returns: - E1000_ERR_PHY if fail to read/write the PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5347	* E1000_SUCCESS at any other case.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5348	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5349	* 82541_rev_2 & 82547_rev_2 have the capability to configure the DSP when a
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5350	* gigabit link is achieved to improve link quality.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5351	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5352
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5353	static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw, bool link_up)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5354	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5355	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5356	u16 phy_data, phy_saved_data, speed, duplex, i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5357
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5358	e_dbg("e1000_config_dsp_after_link_change");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5359
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5360	if (hw->phy_type != e1000_phy_igp)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5361	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5362
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5363	if (link_up) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5364	ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5365	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5366	e_dbg("Error getting link speed and duplex\n");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5367	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5368	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5369
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5370	if (speed == SPEED_1000) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5371	ret_val = e1000_1000Mb_check_cable_length(hw);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5372	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5373	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5374	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5375	} else {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5376	if (hw->dsp_config_state == e1000_dsp_config_activated) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5377	/* Save off the current value of register 0x2F5B to be restored at
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5378	* the end of the routines. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5379	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5380	e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5381
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5382	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5383	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5384
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5385	/* Disable the PHY transmitter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5386	ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5387
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5388	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5389	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5390
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5391	msleep(20);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5392
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5393	ret_val = e1000_write_phy_reg(hw, 0x0000,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5394	IGP01E1000_IEEE_FORCE_GIGA);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5395	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5396	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5397	for (i = 0; i < IGP01E1000_PHY_CHANNEL_NUM; i++) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5398	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5399	e1000_read_phy_reg(hw, dsp_reg_array[i],
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5400	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5401	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5402	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5403
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5404	phy_data &= ~IGP01E1000_PHY_EDAC_MU_INDEX;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5405	phy_data \|= IGP01E1000_PHY_EDAC_SIGN_EXT_9_BITS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5406
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5407	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5408	e1000_write_phy_reg(hw, dsp_reg_array[i],
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5409	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5410	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5411	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5412	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5413
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5414	ret_val = e1000_write_phy_reg(hw, 0x0000,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5415	IGP01E1000_IEEE_RESTART_AUTONEG);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5416	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5417	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5418
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5419	msleep(20);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5420
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5421	/* Now enable the transmitter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5422	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5423	e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5424
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5425	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5426	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5427
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5428	hw->dsp_config_state = e1000_dsp_config_enabled;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5429	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5430
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5431	if (hw->ffe_config_state == e1000_ffe_config_active) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5432	/* Save off the current value of register 0x2F5B to be restored at
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5433	* the end of the routines. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5434	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5435	e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5436
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5437	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5438	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5439
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5440	/* Disable the PHY transmitter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5441	ret_val = e1000_write_phy_reg(hw, 0x2F5B, 0x0003);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5442
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5443	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5444	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5445
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5446	msleep(20);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5447
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5448	ret_val = e1000_write_phy_reg(hw, 0x0000,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5449	IGP01E1000_IEEE_FORCE_GIGA);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5450	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5451	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5452	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5453	e1000_write_phy_reg(hw, IGP01E1000_PHY_DSP_FFE,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5454	IGP01E1000_PHY_DSP_FFE_DEFAULT);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5455	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5456	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5457
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5458	ret_val = e1000_write_phy_reg(hw, 0x0000,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5459	IGP01E1000_IEEE_RESTART_AUTONEG);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5460	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5461	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5462
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5463	msleep(20);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5464
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5465	/* Now enable the transmitter */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5466	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5467	e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5468
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5469	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5470	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5471
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5472	hw->ffe_config_state = e1000_ffe_config_enabled;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5473	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5474	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5475	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5476	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5477
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5478	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5479	* e1000_set_phy_mode - Set PHY to class A mode
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5480	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5481	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5482	* Assumes the following operations will follow to enable the new class mode.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5483	* 1. Do a PHY soft reset
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5484	* 2. Restart auto-negotiation or force link.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5485	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5486	static s32 e1000_set_phy_mode(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5487	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5488	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5489	u16 eeprom_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5490
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5491	e_dbg("e1000_set_phy_mode");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5492
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5493	if ((hw->mac_type == e1000_82545_rev_3) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5494	(hw->media_type == e1000_media_type_copper)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5495	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5496	e1000_read_eeprom(hw, EEPROM_PHY_CLASS_WORD, 1,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5497	&eeprom_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5498	if (ret_val) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5499	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5500	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5501
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5502	if ((eeprom_data != EEPROM_RESERVED_WORD) &&
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5503	(eeprom_data & EEPROM_PHY_CLASS_A)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5504	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5505	e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5506	0x000B);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5507	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5508	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5509	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5510	e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5511	0x8104);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5512	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5513	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5514
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5515	hw->phy_reset_disable = false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5516	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5517	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5518
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5519	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5520	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5521
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5522	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5523	* e1000_set_d3_lplu_state - set d3 link power state
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5524	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5525	* @active: true to enable lplu false to disable lplu.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5526	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5527	* This function sets the lplu state according to the active flag. When
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5528	* activating lplu this function also disables smart speed and vise versa.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5529	* lplu will not be activated unless the device autonegotiation advertisement
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5530	* meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5531	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5532	* returns: - E1000_ERR_PHY if fail to read/write the PHY
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5533	* E1000_SUCCESS at any other case.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5534	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5535	static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5536	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5537	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5538	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5539	e_dbg("e1000_set_d3_lplu_state");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5540
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5541	if (hw->phy_type != e1000_phy_igp)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5542	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5543
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5544	/* During driver activity LPLU should not be used or it will attain link
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5545	* from the lowest speeds starting from 10Mbps. The capability is used for
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5546	* Dx transitions and states */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5547	if (hw->mac_type == e1000_82541_rev_2
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5548	\|\| hw->mac_type == e1000_82547_rev_2) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5549	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5550	e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5551	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5552	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5553	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5554
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5555	if (!active) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5556	if (hw->mac_type == e1000_82541_rev_2 \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5557	hw->mac_type == e1000_82547_rev_2) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5558	phy_data &= ~IGP01E1000_GMII_FLEX_SPD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5559	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5560	e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5561	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5562	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5563	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5564	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5565
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5566	/* LPLU and SmartSpeed are mutually exclusive. LPLU is used during
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5567	* Dx states where the power conservation is most important. During
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5568	* driver activity we should enable SmartSpeed, so performance is
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5569	* maintained. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5570	if (hw->smart_speed == e1000_smart_speed_on) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5571	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5572	e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5573	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5574	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5575	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5576
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5577	phy_data \|= IGP01E1000_PSCFR_SMART_SPEED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5578	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5579	e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5580	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5581	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5582	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5583	} else if (hw->smart_speed == e1000_smart_speed_off) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5584	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5585	e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5586	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5587	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5588	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5589
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5590	phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5591	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5592	e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5593	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5594	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5595	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5596	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5597	} else if ((hw->autoneg_advertised == AUTONEG_ADVERTISE_SPEED_DEFAULT)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5598	\|\| (hw->autoneg_advertised == AUTONEG_ADVERTISE_10_ALL)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5599	\|\| (hw->autoneg_advertised ==
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5600	AUTONEG_ADVERTISE_10_100_ALL)) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5601
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5602	if (hw->mac_type == e1000_82541_rev_2 \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5603	hw->mac_type == e1000_82547_rev_2) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5604	phy_data \|= IGP01E1000_GMII_FLEX_SPD;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5605	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5606	e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5607	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5608	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5609	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5610	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5611
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5612	/* When LPLU is enabled we should disable SmartSpeed */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5613	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5614	e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5615	&phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5616	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5617	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5618
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5619	phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5620	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5621	e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5622	phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5623	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5624	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5625
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5626	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5627	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5628	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5629
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5630	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5631	* e1000_set_vco_speed
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5632	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5633	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5634	* Change VCO speed register to improve Bit Error Rate performance of SERDES.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5635	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5636	static s32 e1000_set_vco_speed(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5637	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5638	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5639	u16 default_page = 0;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5640	u16 phy_data;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5641
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5642	e_dbg("e1000_set_vco_speed");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5643
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5644	switch (hw->mac_type) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5645	case e1000_82545_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5646	case e1000_82546_rev_3:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5647	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5648	default:
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5649	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5650	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5651
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5652	/* Set PHY register 30, page 5, bit 8 to 0 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5653
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5654	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5655	e1000_read_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, &default_page);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5656	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5657	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5658
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5659	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0005);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5660	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5661	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5662
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5663	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5664	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5665	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5666
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5667	phy_data &= ~M88E1000_PHY_VCO_REG_BIT8;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5668	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5669	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5670	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5671
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5672	/* Set PHY register 30, page 4, bit 11 to 1 */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5673
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5674	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0004);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5675	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5676	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5677
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5678	ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5679	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5680	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5681
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5682	phy_data \|= M88E1000_PHY_VCO_REG_BIT11;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5683	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5684	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5685	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5686
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5687	ret_val =
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5688	e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, default_page);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5689	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5690	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5691
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5692	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5693	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5694
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5695
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5696	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5697	* e1000_enable_mng_pass_thru - check for bmc pass through
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5698	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5699	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5700	* Verifies the hardware needs to allow ARPs to be processed by the host
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5701	* returns: - true/false
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5702	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5703	u32 e1000_enable_mng_pass_thru(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5704	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5705	u32 manc;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5706
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5707	if (hw->asf_firmware_present) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5708	manc = er32(MANC);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5709
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5710	if (!(manc & E1000_MANC_RCV_TCO_EN) \|\|
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5711	!(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5712	return false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5713	if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN))
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5714	return true;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5715	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5716	return false;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5717	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5718
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5719	static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5720	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5721	s32 ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5722	u16 mii_status_reg;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5723	u16 i;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5724
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5725	/* Polarity reversal workaround for forced 10F/10H links. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5726
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5727	/* Disable the transmitter on the PHY */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5728
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5729	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5730	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5731	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5732	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFFF);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5733	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5734	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5735
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5736	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5737	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5738	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5739
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5740	/* This loop will early-out if the NO link condition has been met. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5741	for (i = PHY_FORCE_TIME; i > 0; i--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5742	/* Read the MII Status Register and wait for Link Status bit
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5743	* to be clear.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5744	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5745
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5746	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5747	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5748	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5749
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5750	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5751	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5752	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5753
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5754	if ((mii_status_reg & ~MII_SR_LINK_STATUS) == 0)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5755	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5756	msleep(100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5757	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5758
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5759	/* Recommended delay time after link has been lost */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5760	msleep(1000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5761
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5762	/* Now we will re-enable th transmitter on the PHY */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5763
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5764	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0019);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5765	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5766	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5767	msleep(50);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5768	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFFF0);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5769	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5770	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5771	msleep(50);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5772	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xFF00);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5773	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5774	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5775	msleep(50);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5776	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, 0x0000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5777	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5778	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5779
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5780	ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0000);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5781	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5782	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5783
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5784	/* This loop will early-out if the link condition has been met. */
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5785	for (i = PHY_FORCE_TIME; i > 0; i--) {
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5786	/* Read the MII Status Register and wait for Link Status bit
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5787	* to be set.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5788	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5789
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5790	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5791	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5792	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5793
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5794	ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &mii_status_reg);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5795	if (ret_val)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5796	return ret_val;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5797
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5798	if (mii_status_reg & MII_SR_LINK_STATUS)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5799	break;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5800	msleep(100);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5801	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5802	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5803	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5804
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5805	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5806	* e1000_get_auto_rd_done
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5807	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5808	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5809	* Check for EEPROM Auto Read bit done.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5810	* returns: - E1000_ERR_RESET if fail to reset MAC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5811	* E1000_SUCCESS at any other case.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5812	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5813	static s32 e1000_get_auto_rd_done(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5814	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5815	e_dbg("e1000_get_auto_rd_done");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5816	msleep(5);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5817	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5818	}
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5819
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5820	/**
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5821	* e1000_get_phy_cfg_done
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5822	* @hw: Struct containing variables accessed by shared code
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5823	*
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5824	* Checks if the PHY configuration is done
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5825	* returns: - E1000_ERR_RESET if fail to reset MAC
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5826	* E1000_SUCCESS at any other case.
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5827	*/
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5828	static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5829	{
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5830	e_dbg("e1000_get_phy_cfg_done");
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5831	msleep(10);
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5832	return E1000_SUCCESS;
2b9c78543663 Reverted default branch to stable-1.5. Florian Pose <fp@igh-essen.com> parents: diff changeset	5833	}

author	Florian Pose <fp@gh.de>
	Tue, 03 May 2016 14:13:11 +0200
changeset 2642	9dc0b2262f90
parent 2589	2b9c78543663
permissions	-rw-r--r--