devices/e1000e/ich8lan-3.16-orig.c
author Florian Pose <fp@igh-essen.com>
Fri, 03 Mar 2017 16:49:13 +0100
branchstable-1.5
changeset 2673 459758a800b3
parent 2588 792892ab4806
permissions -rw-r--r--
Optionally output CRC diagnosis information in graph.
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/* Intel PRO/1000 Linux driver
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 * Copyright(c) 1999 - 2014 Intel Corporation.
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 *
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 * This program is free software; you can redistribute it and/or modify it
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 * under the terms and conditions of the GNU General Public License,
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 * version 2, as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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 * more details.
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 *
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 * The full GNU General Public License is included in this distribution in
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 * the file called "COPYING".
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 *
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 * Contact Information:
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 * Linux NICS <linux.nics@intel.com>
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 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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 */
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/* 82562G 10/100 Network Connection
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 * 82562G-2 10/100 Network Connection
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 * 82562GT 10/100 Network Connection
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 * 82562GT-2 10/100 Network Connection
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 * 82562V 10/100 Network Connection
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 * 82562V-2 10/100 Network Connection
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 * 82566DC-2 Gigabit Network Connection
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 * 82566DC Gigabit Network Connection
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 * 82566DM-2 Gigabit Network Connection
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 * 82566DM Gigabit Network Connection
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 * 82566MC Gigabit Network Connection
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 * 82566MM Gigabit Network Connection
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 * 82567LM Gigabit Network Connection
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 * 82567LF Gigabit Network Connection
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 * 82567V Gigabit Network Connection
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 * 82567LM-2 Gigabit Network Connection
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 * 82567LF-2 Gigabit Network Connection
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 * 82567V-2 Gigabit Network Connection
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 * 82567LF-3 Gigabit Network Connection
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 * 82567LM-3 Gigabit Network Connection
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 * 82567LM-4 Gigabit Network Connection
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 * 82577LM Gigabit Network Connection
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 * 82577LC Gigabit Network Connection
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 * 82578DM Gigabit Network Connection
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 * 82578DC Gigabit Network Connection
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 * 82579LM Gigabit Network Connection
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 * 82579V Gigabit Network Connection
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 * Ethernet Connection I217-LM
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 * Ethernet Connection I217-V
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 * Ethernet Connection I218-V
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 * Ethernet Connection I218-LM
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 * Ethernet Connection (2) I218-LM
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 * Ethernet Connection (2) I218-V
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 * Ethernet Connection (3) I218-LM
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 * Ethernet Connection (3) I218-V
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 */
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#include "e1000.h"
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/* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */
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/* Offset 04h HSFSTS */
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union ich8_hws_flash_status {
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	struct ich8_hsfsts {
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		u16 flcdone:1;	/* bit 0 Flash Cycle Done */
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		u16 flcerr:1;	/* bit 1 Flash Cycle Error */
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		u16 dael:1;	/* bit 2 Direct Access error Log */
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		u16 berasesz:2;	/* bit 4:3 Sector Erase Size */
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		u16 flcinprog:1;	/* bit 5 flash cycle in Progress */
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		u16 reserved1:2;	/* bit 13:6 Reserved */
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		u16 reserved2:6;	/* bit 13:6 Reserved */
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		u16 fldesvalid:1;	/* bit 14 Flash Descriptor Valid */
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		u16 flockdn:1;	/* bit 15 Flash Config Lock-Down */
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	} hsf_status;
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	u16 regval;
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};
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/* ICH GbE Flash Hardware Sequencing Flash control Register bit breakdown */
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/* Offset 06h FLCTL */
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union ich8_hws_flash_ctrl {
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	struct ich8_hsflctl {
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		u16 flcgo:1;	/* 0 Flash Cycle Go */
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		u16 flcycle:2;	/* 2:1 Flash Cycle */
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		u16 reserved:5;	/* 7:3 Reserved  */
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		u16 fldbcount:2;	/* 9:8 Flash Data Byte Count */
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		u16 flockdn:6;	/* 15:10 Reserved */
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	} hsf_ctrl;
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	u16 regval;
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};
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/* ICH Flash Region Access Permissions */
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union ich8_hws_flash_regacc {
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	struct ich8_flracc {
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		u32 grra:8;	/* 0:7 GbE region Read Access */
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		u32 grwa:8;	/* 8:15 GbE region Write Access */
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		u32 gmrag:8;	/* 23:16 GbE Master Read Access Grant */
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		u32 gmwag:8;	/* 31:24 GbE Master Write Access Grant */
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	} hsf_flregacc;
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	u16 regval;
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};
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/* ICH Flash Protected Region */
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union ich8_flash_protected_range {
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	struct ich8_pr {
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		u32 base:13;	/* 0:12 Protected Range Base */
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		u32 reserved1:2;	/* 13:14 Reserved */
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		u32 rpe:1;	/* 15 Read Protection Enable */
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		u32 limit:13;	/* 16:28 Protected Range Limit */
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		u32 reserved2:2;	/* 29:30 Reserved */
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		u32 wpe:1;	/* 31 Write Protection Enable */
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	} range;
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	u32 regval;
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};
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static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw);
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static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw);
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static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank);
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static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
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						u32 offset, u8 byte);
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static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset,
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					 u8 *data);
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static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset,
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					 u16 *data);
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static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
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					 u8 size, u16 *data);
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static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw);
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static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw);
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static s32 e1000_led_on_ich8lan(struct e1000_hw *hw);
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static s32 e1000_led_off_ich8lan(struct e1000_hw *hw);
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static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw);
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static s32 e1000_setup_led_pchlan(struct e1000_hw *hw);
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static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw);
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static s32 e1000_led_on_pchlan(struct e1000_hw *hw);
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static s32 e1000_led_off_pchlan(struct e1000_hw *hw);
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static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active);
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static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw);
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   137
static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw);
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   138
static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link);
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   139
static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw);
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   140
static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw);
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   141
static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw);
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   142
static int e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index);
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   143
static int e1000_rar_set_pch_lpt(struct e1000_hw *hw, u8 *addr, u32 index);
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   144
static u32 e1000_rar_get_count_pch_lpt(struct e1000_hw *hw);
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   145
static s32 e1000_k1_workaround_lv(struct e1000_hw *hw);
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   146
static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate);
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   147
static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force);
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   148
static s32 e1000_setup_copper_link_pch_lpt(struct e1000_hw *hw);
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   149
static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state);
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   150
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   151
static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg)
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   152
{
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   153
	return readw(hw->flash_address + reg);
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   154
}
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   155
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   156
static inline u32 __er32flash(struct e1000_hw *hw, unsigned long reg)
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   157
{
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   158
	return readl(hw->flash_address + reg);
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   159
}
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   160
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   161
static inline void __ew16flash(struct e1000_hw *hw, unsigned long reg, u16 val)
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   162
{
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   163
	writew(val, hw->flash_address + reg);
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   164
}
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parents:
diff changeset
   165
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   166
static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val)
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diff changeset
   167
{
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   168
	writel(val, hw->flash_address + reg);
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   169
}
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   170
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   171
#define er16flash(reg)		__er16flash(hw, (reg))
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   172
#define er32flash(reg)		__er32flash(hw, (reg))
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   173
#define ew16flash(reg, val)	__ew16flash(hw, (reg), (val))
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   174
#define ew32flash(reg, val)	__ew32flash(hw, (reg), (val))
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   175
792892ab4806 Added all drivers for kernel 3.16.
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   176
/**
792892ab4806 Added all drivers for kernel 3.16.
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   177
 *  e1000_phy_is_accessible_pchlan - Check if able to access PHY registers
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   178
 *  @hw: pointer to the HW structure
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   179
 *
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   180
 *  Test access to the PHY registers by reading the PHY ID registers.  If
792892ab4806 Added all drivers for kernel 3.16.
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   181
 *  the PHY ID is already known (e.g. resume path) compare it with known ID,
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parents:
diff changeset
   182
 *  otherwise assume the read PHY ID is correct if it is valid.
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parents:
diff changeset
   183
 *
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parents:
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   184
 *  Assumes the sw/fw/hw semaphore is already acquired.
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   185
 **/
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diff changeset
   186
static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)
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   187
{
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diff changeset
   188
	u16 phy_reg = 0;
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diff changeset
   189
	u32 phy_id = 0;
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   190
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   191
	u16 retry_count;
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   192
	u32 mac_reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   193
792892ab4806 Added all drivers for kernel 3.16.
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   194
	for (retry_count = 0; retry_count < 2; retry_count++) {
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   195
		ret_val = e1e_rphy_locked(hw, MII_PHYSID1, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   196
		if (ret_val || (phy_reg == 0xFFFF))
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   197
			continue;
792892ab4806 Added all drivers for kernel 3.16.
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   198
		phy_id = (u32)(phy_reg << 16);
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diff changeset
   199
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   200
		ret_val = e1e_rphy_locked(hw, MII_PHYSID2, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   201
		if (ret_val || (phy_reg == 0xFFFF)) {
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diff changeset
   202
			phy_id = 0;
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diff changeset
   203
			continue;
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diff changeset
   204
		}
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   205
		phy_id |= (u32)(phy_reg & PHY_REVISION_MASK);
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diff changeset
   206
		break;
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   207
	}
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   208
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   209
	if (hw->phy.id) {
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diff changeset
   210
		if (hw->phy.id == phy_id)
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diff changeset
   211
			goto out;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   212
	} else if (phy_id) {
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   213
		hw->phy.id = phy_id;
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diff changeset
   214
		hw->phy.revision = (u32)(phy_reg & ~PHY_REVISION_MASK);
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   215
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   216
	}
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   217
792892ab4806 Added all drivers for kernel 3.16.
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parents:
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   218
	/* In case the PHY needs to be in mdio slow mode,
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parents:
diff changeset
   219
	 * set slow mode and try to get the PHY id again.
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diff changeset
   220
	 */
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   221
	if (hw->mac.type < e1000_pch_lpt) {
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   222
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   223
		ret_val = e1000_set_mdio_slow_mode_hv(hw);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   224
		if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   225
			ret_val = e1000e_get_phy_id(hw);
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parents:
diff changeset
   226
		hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   227
	}
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   228
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   229
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   230
		return false;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   231
out:
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   232
	if (hw->mac.type == e1000_pch_lpt) {
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   233
		/* Unforce SMBus mode in PHY */
792892ab4806 Added all drivers for kernel 3.16.
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diff changeset
   234
		e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   235
		phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
		e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   237
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
		/* Unforce SMBus mode in MAC */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
		mac_reg = er32(CTRL_EXT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
		mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
		ew32(CTRL_EXT, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   242
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   244
	return true;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
 *  e1000_toggle_lanphypc_pch_lpt - toggle the LANPHYPC pin value
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   249
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   250
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
 *  Toggling the LANPHYPC pin value fully power-cycles the PHY and is
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   252
 *  used to reset the PHY to a quiescent state when necessary.
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   253
 **/
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   254
static void e1000_toggle_lanphypc_pch_lpt(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   255
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	u32 mac_reg;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   257
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	/* Set Phy Config Counter to 50msec */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	mac_reg = er32(FEXTNVM3);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	mac_reg &= ~E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	mac_reg |= E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	ew32(FEXTNVM3, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	/* Toggle LANPHYPC Value bit */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
	mac_reg = er32(CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
	mac_reg |= E1000_CTRL_LANPHYPC_OVERRIDE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
	mac_reg &= ~E1000_CTRL_LANPHYPC_VALUE;
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   268
	ew32(CTRL, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   269
	e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
	usleep_range(10, 20);
792892ab4806 Added all drivers for kernel 3.16.
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parents:
diff changeset
   271
	mac_reg &= ~E1000_CTRL_LANPHYPC_OVERRIDE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
	ew32(CTRL, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
	e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
	if (hw->mac.type < e1000_pch_lpt) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
		msleep(50);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
		u16 count = 20;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		do {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
			usleep_range(5000, 10000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
		} while (!(er32(CTRL_EXT) & E1000_CTRL_EXT_LPCD) && count--);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
		msleep(30);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
 *  e1000_init_phy_workarounds_pchlan - PHY initialization workarounds
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
 *  Workarounds/flow necessary for PHY initialization during driver load
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
 *  and resume paths.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	struct e1000_adapter *adapter = hw->adapter;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	u32 mac_reg, fwsm = er32(FWSM);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
	/* Gate automatic PHY configuration by hardware on managed and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
	 * non-managed 82579 and newer adapters.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
	e1000_gate_hw_phy_config_ich8lan(hw, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
	/* It is not possible to be certain of the current state of ULP
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	 * so forcibly disable it.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_unknown;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
	e1000_disable_ulp_lpt_lp(hw, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
		e_dbg("Failed to initialize PHY flow\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	/* The MAC-PHY interconnect may be in SMBus mode.  If the PHY is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	 * inaccessible and resetting the PHY is not blocked, toggle the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	 * LANPHYPC Value bit to force the interconnect to PCIe mode.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
	switch (hw->mac.type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
	case e1000_pch_lpt:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
		if (e1000_phy_is_accessible_pchlan(hw))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
		/* Before toggling LANPHYPC, see if PHY is accessible by
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		 * forcing MAC to SMBus mode first.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		mac_reg = er32(CTRL_EXT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		ew32(CTRL_EXT, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		/* Wait 50 milliseconds for MAC to finish any retries
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		 * that it might be trying to perform from previous
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		 * attempts to acknowledge any phy read requests.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		msleep(50);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		/* fall-through */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
	case e1000_pch2lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		if (e1000_phy_is_accessible_pchlan(hw))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		/* fall-through */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
	case e1000_pchlan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		if ((hw->mac.type == e1000_pchlan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
		    (fwsm & E1000_ICH_FWSM_FW_VALID))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
		if (hw->phy.ops.check_reset_block(hw)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
			e_dbg("Required LANPHYPC toggle blocked by ME\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
			ret_val = -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
		/* Toggle LANPHYPC Value bit */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
		e1000_toggle_lanphypc_pch_lpt(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
		if (hw->mac.type >= e1000_pch_lpt) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
			if (e1000_phy_is_accessible_pchlan(hw))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
				break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
			/* Toggling LANPHYPC brings the PHY out of SMBus mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
			 * so ensure that the MAC is also out of SMBus mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
			mac_reg = er32(CTRL_EXT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
			mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
			ew32(CTRL_EXT, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
			if (e1000_phy_is_accessible_pchlan(hw))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
				break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
			ret_val = -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
	if (!ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
		/* Check to see if able to reset PHY.  Print error if not */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
		if (hw->phy.ops.check_reset_block(hw)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
			e_err("Reset blocked by ME\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
			goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
		/* Reset the PHY before any access to it.  Doing so, ensures
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
		 * that the PHY is in a known good state before we read/write
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		 * PHY registers.  The generic reset is sufficient here,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		 * because we haven't determined the PHY type yet.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
		ret_val = e1000e_phy_hw_reset_generic(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
			goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		/* On a successful reset, possibly need to wait for the PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		 * to quiesce to an accessible state before returning control
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
		 * to the calling function.  If the PHY does not quiesce, then
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
		 * return E1000E_BLK_PHY_RESET, as this is the condition that
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		 *  the PHY is in.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
		ret_val = hw->phy.ops.check_reset_block(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
			e_err("ME blocked access to PHY after reset\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	/* Ungate automatic PHY configuration on non-managed 82579 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	if ((hw->mac.type == e1000_pch2lan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	    !(fwsm & E1000_ICH_FWSM_FW_VALID)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
		usleep_range(10000, 20000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
		e1000_gate_hw_phy_config_ich8lan(hw, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
 *  e1000_init_phy_params_pchlan - Initialize PHY function pointers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
 *  Initialize family-specific PHY parameters and function pointers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	phy->addr = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	phy->reset_delay_us = 100;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	phy->ops.set_page = e1000_set_page_igp;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
	phy->ops.read_reg = e1000_read_phy_reg_hv;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
	phy->ops.read_reg_locked = e1000_read_phy_reg_hv_locked;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	phy->ops.read_reg_page = e1000_read_phy_reg_page_hv;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	phy->ops.set_d0_lplu_state = e1000_set_lplu_state_pchlan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	phy->ops.set_d3_lplu_state = e1000_set_lplu_state_pchlan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	phy->ops.write_reg = e1000_write_phy_reg_hv;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	phy->ops.write_reg_locked = e1000_write_phy_reg_hv_locked;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	phy->ops.write_reg_page = e1000_write_phy_reg_page_hv;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	phy->ops.power_up = e1000_power_up_phy_copper;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	phy->ops.power_down = e1000_power_down_phy_copper_ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
	phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	phy->id = e1000_phy_unknown;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	ret_val = e1000_init_phy_workarounds_pchlan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	if (phy->id == e1000_phy_unknown)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
		switch (hw->mac.type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
			ret_val = e1000e_get_phy_id(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
			if ((phy->id != 0) && (phy->id != PHY_REVISION_MASK))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
				break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
			/* fall-through */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		case e1000_pch2lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		case e1000_pch_lpt:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
			/* In case the PHY needs to be in mdio slow mode,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
			 * set slow mode and try to get the PHY id again.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
			ret_val = e1000_set_mdio_slow_mode_hv(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
			ret_val = e1000e_get_phy_id(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	phy->type = e1000e_get_phy_type_from_id(phy->id);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
	switch (phy->type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
	case e1000_phy_82577:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	case e1000_phy_82579:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
	case e1000_phy_i217:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		phy->ops.check_polarity = e1000_check_polarity_82577;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		phy->ops.force_speed_duplex =
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		    e1000_phy_force_speed_duplex_82577;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		phy->ops.get_cable_length = e1000_get_cable_length_82577;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		phy->ops.get_info = e1000_get_phy_info_82577;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
		phy->ops.commit = e1000e_phy_sw_reset;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	case e1000_phy_82578:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
		phy->ops.check_polarity = e1000_check_polarity_m88;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
		phy->ops.get_cable_length = e1000e_get_cable_length_m88;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		phy->ops.get_info = e1000e_get_phy_info_m88;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		ret_val = -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
 *  e1000_init_phy_params_ich8lan - Initialize PHY function pointers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
 *  Initialize family-specific PHY parameters and function pointers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
	u16 i = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	phy->addr = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	phy->reset_delay_us = 100;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	phy->ops.power_up = e1000_power_up_phy_copper;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	phy->ops.power_down = e1000_power_down_phy_copper_ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	/* We may need to do this twice - once for IGP and if that fails,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	 * we'll set BM func pointers and try again
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	ret_val = e1000e_determine_phy_address(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
		phy->ops.write_reg = e1000e_write_phy_reg_bm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		phy->ops.read_reg = e1000e_read_phy_reg_bm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		ret_val = e1000e_determine_phy_address(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
		if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
			e_dbg("Cannot determine PHY addr. Erroring out\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	phy->id = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	while ((e1000_phy_unknown == e1000e_get_phy_type_from_id(phy->id)) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	       (i++ < 100)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
		usleep_range(1000, 2000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
		ret_val = e1000e_get_phy_id(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	/* Verify phy id */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
	switch (phy->id) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	case IGP03E1000_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
		phy->type = e1000_phy_igp_3;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
		phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		phy->ops.read_reg_locked = e1000e_read_phy_reg_igp_locked;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
		phy->ops.write_reg_locked = e1000e_write_phy_reg_igp_locked;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
		phy->ops.get_info = e1000e_get_phy_info_igp;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
		phy->ops.check_polarity = e1000_check_polarity_igp;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
		phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_igp;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
	case IFE_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	case IFE_PLUS_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	case IFE_C_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		phy->type = e1000_phy_ife;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		phy->autoneg_mask = E1000_ALL_NOT_GIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
		phy->ops.get_info = e1000_get_phy_info_ife;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
		phy->ops.check_polarity = e1000_check_polarity_ife;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
		phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_ife;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	case BME1000_E_PHY_ID:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
		phy->type = e1000_phy_bm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
		phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
		phy->ops.read_reg = e1000e_read_phy_reg_bm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
		phy->ops.write_reg = e1000e_write_phy_reg_bm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
		phy->ops.commit = e1000e_phy_sw_reset;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
		phy->ops.get_info = e1000e_get_phy_info_m88;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
		phy->ops.check_polarity = e1000_check_polarity_m88;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
		phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
		return -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
 *  e1000_init_nvm_params_ich8lan - Initialize NVM function pointers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
 *  Initialize family-specific NVM parameters and function
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
 *  pointers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	struct e1000_nvm_info *nvm = &hw->nvm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	u32 gfpreg, sector_base_addr, sector_end_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	u16 i;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	/* Can't read flash registers if the register set isn't mapped. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	if (!hw->flash_address) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		e_dbg("ERROR: Flash registers not mapped\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	nvm->type = e1000_nvm_flash_sw;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	gfpreg = er32flash(ICH_FLASH_GFPREG);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	/* sector_X_addr is a "sector"-aligned address (4096 bytes)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	 * Add 1 to sector_end_addr since this sector is included in
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	 * the overall size.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	/* flash_base_addr is byte-aligned */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	nvm->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	/* find total size of the NVM, then cut in half since the total
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	 * size represents two separate NVM banks.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	nvm->flash_bank_size = ((sector_end_addr - sector_base_addr)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
				<< FLASH_SECTOR_ADDR_SHIFT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	nvm->flash_bank_size /= 2;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	/* Adjust to word count */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	nvm->flash_bank_size /= sizeof(u16);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	nvm->word_size = E1000_ICH8_SHADOW_RAM_WORDS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	/* Clear shadow ram */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
	for (i = 0; i < nvm->word_size; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		dev_spec->shadow_ram[i].modified = false;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
		dev_spec->shadow_ram[i].value = 0xFFFF;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
 *  e1000_init_mac_params_ich8lan - Initialize MAC function pointers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
 *  Initialize family-specific MAC parameters and function
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
 *  pointers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
static s32 e1000_init_mac_params_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	struct e1000_mac_info *mac = &hw->mac;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	/* Set media type function pointer */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	hw->phy.media_type = e1000_media_type_copper;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	/* Set mta register count */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
	mac->mta_reg_count = 32;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
	/* Set rar entry count */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	mac->rar_entry_count = E1000_ICH_RAR_ENTRIES;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
	if (mac->type == e1000_ich8lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		mac->rar_entry_count--;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
	/* FWSM register */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
	mac->has_fwsm = true;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
	/* ARC subsystem not supported */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
	mac->arc_subsystem_valid = false;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
	/* Adaptive IFS supported */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
	mac->adaptive_ifs = true;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
	/* LED and other operations */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	switch (mac->type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	case e1000_ich8lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
	case e1000_ich9lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	case e1000_ich10lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
		/* check management mode */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		mac->ops.check_mng_mode = e1000_check_mng_mode_ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		/* ID LED init */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		mac->ops.id_led_init = e1000e_id_led_init_generic;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		/* blink LED */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
		mac->ops.blink_led = e1000e_blink_led_generic;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		/* setup LED */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		mac->ops.setup_led = e1000e_setup_led_generic;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		/* cleanup LED */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		mac->ops.cleanup_led = e1000_cleanup_led_ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		/* turn on/off LED */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		mac->ops.led_on = e1000_led_on_ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
		mac->ops.led_off = e1000_led_off_ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	case e1000_pch2lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
		mac->rar_entry_count = E1000_PCH2_RAR_ENTRIES;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
		mac->ops.rar_set = e1000_rar_set_pch2lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
		/* fall-through */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	case e1000_pch_lpt:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	case e1000_pchlan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		/* check management mode */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		mac->ops.check_mng_mode = e1000_check_mng_mode_pchlan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		/* ID LED init */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		mac->ops.id_led_init = e1000_id_led_init_pchlan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		/* setup LED */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
		mac->ops.setup_led = e1000_setup_led_pchlan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		/* cleanup LED */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		mac->ops.cleanup_led = e1000_cleanup_led_pchlan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		/* turn on/off LED */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
		mac->ops.led_on = e1000_led_on_pchlan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
		mac->ops.led_off = e1000_led_off_pchlan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	if (mac->type == e1000_pch_lpt) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		mac->rar_entry_count = E1000_PCH_LPT_RAR_ENTRIES;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
		mac->ops.rar_set = e1000_rar_set_pch_lpt;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		mac->ops.setup_physical_interface =
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
		    e1000_setup_copper_link_pch_lpt;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
		mac->ops.rar_get_count = e1000_rar_get_count_pch_lpt;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	/* Enable PCS Lock-loss workaround for ICH8 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	if (mac->type == e1000_ich8lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
		e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
 *  __e1000_access_emi_reg_locked - Read/write EMI register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
 *  @addr: EMI address to program
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
 *  @data: pointer to value to read/write from/to the EMI address
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
 *  @read: boolean flag to indicate read or write
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
 *  This helper function assumes the SW/FW/HW Semaphore is already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
static s32 __e1000_access_emi_reg_locked(struct e1000_hw *hw, u16 address,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
					 u16 *data, bool read)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	ret_val = e1e_wphy_locked(hw, I82579_EMI_ADDR, address);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	if (read)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		ret_val = e1e_rphy_locked(hw, I82579_EMI_DATA, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
		ret_val = e1e_wphy_locked(hw, I82579_EMI_DATA, *data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
 *  e1000_read_emi_reg_locked - Read Extended Management Interface register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
 *  @addr: EMI address to program
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
 *  @data: value to be read from the EMI address
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
 *  Assumes the SW/FW/HW Semaphore is already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
s32 e1000_read_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	return __e1000_access_emi_reg_locked(hw, addr, data, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
 *  e1000_write_emi_reg_locked - Write Extended Management Interface register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
 *  @addr: EMI address to program
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
 *  @data: value to be written to the EMI address
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
 *  Assumes the SW/FW/HW Semaphore is already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
s32 e1000_write_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	return __e1000_access_emi_reg_locked(hw, addr, &data, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
 *  e1000_set_eee_pchlan - Enable/disable EEE support
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
 *  Enable/disable EEE based on setting in dev_spec structure, the duplex of
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
 *  the link and the EEE capabilities of the link partner.  The LPI Control
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
 *  register bits will remain set only if/when link is up.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
 *  EEE LPI must not be asserted earlier than one second after link is up.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
 *  On 82579, EEE LPI should not be enabled until such time otherwise there
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
 *  can be link issues with some switches.  Other devices can have EEE LPI
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
 *  enabled immediately upon link up since they have a timer in hardware which
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
 *  prevents LPI from being asserted too early.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
s32 e1000_set_eee_pchlan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	u16 lpa, pcs_status, adv, adv_addr, lpi_ctrl, data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	switch (hw->phy.type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	case e1000_phy_82579:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
		lpa = I82579_EEE_LP_ABILITY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
		pcs_status = I82579_EEE_PCS_STATUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		adv_addr = I82579_EEE_ADVERTISEMENT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	case e1000_phy_i217:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
		lpa = I217_EEE_LP_ABILITY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		pcs_status = I217_EEE_PCS_STATUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
		adv_addr = I217_EEE_ADVERTISEMENT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	ret_val = e1e_rphy_locked(hw, I82579_LPI_CTRL, &lpi_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	/* Clear bits that enable EEE in various speeds */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	lpi_ctrl &= ~I82579_LPI_CTRL_ENABLE_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	/* Enable EEE if not disabled by user */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	if (!dev_spec->eee_disable) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
		/* Save off link partner's EEE ability */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		ret_val = e1000_read_emi_reg_locked(hw, lpa,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
						    &dev_spec->eee_lp_ability);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
		/* Read EEE advertisement */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
		ret_val = e1000_read_emi_reg_locked(hw, adv_addr, &adv);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
		/* Enable EEE only for speeds in which the link partner is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		 * EEE capable and for which we advertise EEE.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
		if (adv & dev_spec->eee_lp_ability & I82579_EEE_1000_SUPPORTED)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
			lpi_ctrl |= I82579_LPI_CTRL_1000_ENABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
		if (adv & dev_spec->eee_lp_ability & I82579_EEE_100_SUPPORTED) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
			e1e_rphy_locked(hw, MII_LPA, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
			if (data & LPA_100FULL)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
				lpi_ctrl |= I82579_LPI_CTRL_100_ENABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
			else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
				/* EEE is not supported in 100Half, so ignore
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
				 * partner's EEE in 100 ability if full-duplex
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
				 * is not advertised.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
				 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
				dev_spec->eee_lp_ability &=
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
				    ~I82579_EEE_100_SUPPORTED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	if (hw->phy.type == e1000_phy_82579) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
		ret_val = e1000_read_emi_reg_locked(hw, I82579_LPI_PLL_SHUT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
						    &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
		data &= ~I82579_LPI_100_PLL_SHUT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
		ret_val = e1000_write_emi_reg_locked(hw, I82579_LPI_PLL_SHUT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
						     data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	/* R/Clr IEEE MMD 3.1 bits 11:10 - Tx/Rx LPI Received */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	ret_val = e1000_read_emi_reg_locked(hw, pcs_status, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
	ret_val = e1e_wphy_locked(hw, I82579_LPI_CTRL, lpi_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
 *  e1000_k1_workaround_lpt_lp - K1 workaround on Lynxpoint-LP
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
 *  @hw:   pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
 *  @link: link up bool flag
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
 *  When K1 is enabled for 1Gbps, the MAC can miss 2 DMA completion indications
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
 *  preventing further DMA write requests.  Workaround the issue by disabling
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
 *  the de-assertion of the clock request when in 1Gpbs mode.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
 *  Also, set appropriate Tx re-transmission timeouts for 10 and 100Half link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
 *  speeds in order to avoid Tx hangs.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
static s32 e1000_k1_workaround_lpt_lp(struct e1000_hw *hw, bool link)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	u32 fextnvm6 = er32(FEXTNVM6);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	u32 status = er32(STATUS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	u16 reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	if (link && (status & E1000_STATUS_SPEED_1000)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
		ret_val =
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		    e1000e_read_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
						&reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
		ret_val =
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
		    e1000e_write_kmrn_reg_locked(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
						 E1000_KMRNCTRLSTA_K1_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
						 reg &
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
						 ~E1000_KMRNCTRLSTA_K1_ENABLE);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
		usleep_range(10, 20);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
		ew32(FEXTNVM6, fextnvm6 | E1000_FEXTNVM6_REQ_PLL_CLK);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
		ret_val =
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
		    e1000e_write_kmrn_reg_locked(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
						 E1000_KMRNCTRLSTA_K1_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
						 reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		/* clear FEXTNVM6 bit 8 on link down or 10/100 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
		fextnvm6 &= ~E1000_FEXTNVM6_REQ_PLL_CLK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
		if (!link || ((status & E1000_STATUS_SPEED_100) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
			      (status & E1000_STATUS_FD)))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
			goto update_fextnvm6;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
		ret_val = e1e_rphy(hw, I217_INBAND_CTRL, &reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
		/* Clear link status transmit timeout */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
		reg &= ~I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
		if (status & E1000_STATUS_SPEED_100) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
			/* Set inband Tx timeout to 5x10us for 100Half */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
			reg |= 5 << I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
			/* Do not extend the K1 entry latency for 100Half */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
			fextnvm6 &= ~E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
			/* Set inband Tx timeout to 50x10us for 10Full/Half */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
			reg |= 50 <<
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
			    I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
			/* Extend the K1 entry latency for 10 Mbps */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
			fextnvm6 |= E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		ret_val = e1e_wphy(hw, I217_INBAND_CTRL, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
update_fextnvm6:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
		ew32(FEXTNVM6, fextnvm6);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
 *  e1000_platform_pm_pch_lpt - Set platform power management values
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
 *  @link: bool indicating link status
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
 *  Set the Latency Tolerance Reporting (LTR) values for the "PCIe-like"
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
 *  GbE MAC in the Lynx Point PCH based on Rx buffer size and link speed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
 *  when link is up (which must not exceed the maximum latency supported
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
 *  by the platform), otherwise specify there is no LTR requirement.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
 *  Unlike true-PCIe devices which set the LTR maximum snoop/no-snoop
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
 *  latencies in the LTR Extended Capability Structure in the PCIe Extended
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
 *  Capability register set, on this device LTR is set by writing the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
 *  equivalent snoop/no-snoop latencies in the LTRV register in the MAC and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
 *  set the SEND bit to send an Intel On-chip System Fabric sideband (IOSF-SB)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
 *  message to the PMC.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	u32 reg = link << (E1000_LTRV_REQ_SHIFT + E1000_LTRV_NOSNOOP_SHIFT) |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	    link << E1000_LTRV_REQ_SHIFT | E1000_LTRV_SEND;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	u16 lat_enc = 0;	/* latency encoded */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	if (link) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		u16 speed, duplex, scale = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
		u16 max_snoop, max_nosnoop;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
		u16 max_ltr_enc;	/* max LTR latency encoded */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
		s64 lat_ns;	/* latency (ns) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
		s64 value;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		u32 rxa;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
		if (!hw->adapter->max_frame_size) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
			e_dbg("max_frame_size not set.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
			return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
		hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
		if (!speed) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
			e_dbg("Speed not set.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
			return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
		/* Rx Packet Buffer Allocation size (KB) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
		rxa = er32(PBA) & E1000_PBA_RXA_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		/* Determine the maximum latency tolerated by the device.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
		 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
		 * Per the PCIe spec, the tolerated latencies are encoded as
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		 * a 3-bit encoded scale (only 0-5 are valid) multiplied by
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
		 * a 10-bit value (0-1023) to provide a range from 1 ns to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
		 * 2^25*(2^10-1) ns.  The scale is encoded as 0=2^0ns,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
		 * 1=2^5ns, 2=2^10ns,...5=2^25ns.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		lat_ns = ((s64)rxa * 1024 -
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
			  (2 * (s64)hw->adapter->max_frame_size)) * 8 * 1000;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
		if (lat_ns < 0)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
			lat_ns = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
		else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
			do_div(lat_ns, speed);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		value = lat_ns;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
		while (value > PCI_LTR_VALUE_MASK) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
			scale++;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
			value = DIV_ROUND_UP(value, (1 << 5));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
		if (scale > E1000_LTRV_SCALE_MAX) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
			e_dbg("Invalid LTR latency scale %d\n", scale);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
			return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
		lat_enc = (u16)((scale << PCI_LTR_SCALE_SHIFT) | value);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		/* Determine the maximum latency tolerated by the platform */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		pci_read_config_word(hw->adapter->pdev, E1000_PCI_LTR_CAP_LPT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
				     &max_snoop);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		pci_read_config_word(hw->adapter->pdev,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
				     E1000_PCI_LTR_CAP_LPT + 2, &max_nosnoop);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		max_ltr_enc = max_t(u16, max_snoop, max_nosnoop);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
		if (lat_enc > max_ltr_enc)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
			lat_enc = max_ltr_enc;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	/* Set Snoop and No-Snoop latencies the same */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	reg |= lat_enc | (lat_enc << E1000_LTRV_NOSNOOP_SHIFT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	ew32(LTRV, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
 *  e1000_enable_ulp_lpt_lp - configure Ultra Low Power mode for LynxPoint-LP
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
 *  @to_sx: boolean indicating a system power state transition to Sx
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
 *  When link is down, configure ULP mode to significantly reduce the power
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
 *  to the PHY.  If on a Manageability Engine (ME) enabled system, tell the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
 *  ME firmware to start the ULP configuration.  If not on an ME enabled
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
 *  system, configure the ULP mode by software.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	u32 mac_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	u16 phy_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	if ((hw->mac.type < e1000_pch_lpt) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_LM) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_V) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM2) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V2) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	    (hw->dev_spec.ich8lan.ulp_state == e1000_ulp_state_on))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		/* Request ME configure ULP mode in the PHY */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
		mac_reg = er32(H2ME);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		mac_reg |= E1000_H2ME_ULP | E1000_H2ME_ENFORCE_SETTINGS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
		ew32(H2ME, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	if (!to_sx) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
		int i = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		/* Poll up to 5 seconds for Cable Disconnected indication */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		while (!(er32(FEXT) & E1000_FEXT_PHY_CABLE_DISCONNECTED)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
			/* Bail if link is re-acquired */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
			if (er32(STATUS) & E1000_STATUS_LU)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
				return -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
			if (i++ == 100)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
				break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
			msleep(50);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		e_dbg("CABLE_DISCONNECTED %s set after %dmsec\n",
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		      (er32(FEXT) &
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
		       E1000_FEXT_PHY_CABLE_DISCONNECTED) ? "" : "not", i * 50);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	/* Force SMBus mode in PHY */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	phy_reg |= CV_SMB_CTRL_FORCE_SMBUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	/* Force SMBus mode in MAC */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	mac_reg = er32(CTRL_EXT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	ew32(CTRL_EXT, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	/* Set Inband ULP Exit, Reset to SMBus mode and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	 * Disable SMBus Release on PERST# in PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	ret_val = e1000_read_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	phy_reg |= (I218_ULP_CONFIG1_RESET_TO_SMBUS |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		    I218_ULP_CONFIG1_DISABLE_SMB_PERST);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
	if (to_sx) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		if (er32(WUFC) & E1000_WUFC_LNKC)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
			phy_reg |= I218_ULP_CONFIG1_WOL_HOST;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
		phy_reg |= I218_ULP_CONFIG1_STICKY_ULP;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		phy_reg |= I218_ULP_CONFIG1_INBAND_EXIT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	/* Set Disable SMBus Release on PERST# in MAC */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	mac_reg = er32(FEXTNVM7);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
	mac_reg |= E1000_FEXTNVM7_DISABLE_SMB_PERST;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	ew32(FEXTNVM7, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
	/* Commit ULP changes in PHY by starting auto ULP configuration */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
	phy_reg |= I218_ULP_CONFIG1_START;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
	e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		e_dbg("Error in ULP enable flow: %d\n", ret_val);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_on;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
 *  e1000_disable_ulp_lpt_lp - unconfigure Ultra Low Power mode for LynxPoint-LP
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
 *  @force: boolean indicating whether or not to force disabling ULP
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
 *  Un-configure ULP mode when link is up, the system is transitioned from
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
 *  Sx or the driver is unloaded.  If on a Manageability Engine (ME) enabled
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
 *  system, poll for an indication from ME that ULP has been un-configured.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
 *  If not on an ME enabled system, un-configure the ULP mode by software.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
 *  During nominal operation, this function is called when link is acquired
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
 *  to disable ULP mode (force=false); otherwise, for example when unloading
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
 *  the driver or during Sx->S0 transitions, this is called with force=true
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
 *  to forcibly disable ULP.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	u32 mac_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	u16 phy_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
	int i = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	if ((hw->mac.type < e1000_pch_lpt) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_LM) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_V) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM2) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V2) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	    (hw->dev_spec.ich8lan.ulp_state == e1000_ulp_state_off))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
	if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
		if (force) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
			/* Request ME un-configure ULP mode in the PHY */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
			mac_reg = er32(H2ME);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
			mac_reg &= ~E1000_H2ME_ULP;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
			mac_reg |= E1000_H2ME_ENFORCE_SETTINGS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
			ew32(H2ME, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		/* Poll up to 100msec for ME to clear ULP_CFG_DONE */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
		while (er32(FWSM) & E1000_FWSM_ULP_CFG_DONE) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
			if (i++ == 10) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
				ret_val = -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
				goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
			}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
			usleep_range(10000, 20000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
		e_dbg("ULP_CONFIG_DONE cleared after %dmsec\n", i * 10);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		if (force) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
			mac_reg = er32(H2ME);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
			mac_reg &= ~E1000_H2ME_ENFORCE_SETTINGS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
			ew32(H2ME, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
			/* Clear H2ME.ULP after ME ULP configuration */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
			mac_reg = er32(H2ME);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
			mac_reg &= ~E1000_H2ME_ULP;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
			ew32(H2ME, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
	if (force)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		/* Toggle LANPHYPC Value bit */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		e1000_toggle_lanphypc_pch_lpt(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	/* Unforce SMBus mode in PHY */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		/* The MAC might be in PCIe mode, so temporarily force to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		 * SMBus mode in order to access the PHY.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		mac_reg = er32(CTRL_EXT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
		ew32(CTRL_EXT, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		msleep(50);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
		ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
						       &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
	phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	/* Unforce SMBus mode in MAC */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	mac_reg = er32(CTRL_EXT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	ew32(CTRL_EXT, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	/* When ULP mode was previously entered, K1 was disabled by the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	 * hardware.  Re-Enable K1 in the PHY when exiting ULP.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	ret_val = e1000_read_phy_reg_hv_locked(hw, HV_PM_CTRL, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	phy_reg |= HV_PM_CTRL_K1_ENABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	e1000_write_phy_reg_hv_locked(hw, HV_PM_CTRL, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	/* Clear ULP enabled configuration */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	ret_val = e1000_read_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	phy_reg &= ~(I218_ULP_CONFIG1_IND |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
		     I218_ULP_CONFIG1_STICKY_ULP |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
		     I218_ULP_CONFIG1_RESET_TO_SMBUS |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		     I218_ULP_CONFIG1_WOL_HOST |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		     I218_ULP_CONFIG1_INBAND_EXIT |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
		     I218_ULP_CONFIG1_DISABLE_SMB_PERST);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	/* Commit ULP changes by starting auto ULP configuration */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	phy_reg |= I218_ULP_CONFIG1_START;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	/* Clear Disable SMBus Release on PERST# in MAC */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	mac_reg = er32(FEXTNVM7);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	mac_reg &= ~E1000_FEXTNVM7_DISABLE_SMB_PERST;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	ew32(FEXTNVM7, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	if (force) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
		e1000_phy_hw_reset(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		msleep(50);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
		e_dbg("Error in ULP disable flow: %d\n", ret_val);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
		hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_off;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
 *  e1000_check_for_copper_link_ich8lan - Check for link (Copper)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
 *  Checks to see of the link status of the hardware has changed.  If a
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
 *  change in link status has been detected, then we read the PHY registers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
 *  to get the current speed/duplex if link exists.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	struct e1000_mac_info *mac = &hw->mac;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
	u16 phy_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	/* We only want to go out to the PHY registers to see if Auto-Neg
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
	 * has completed and/or if our link status has changed.  The
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	 * get_link_status flag is set upon receiving a Link Status
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
	 * Change or Rx Sequence Error interrupt.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	if (!mac->get_link_status)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	/* First we want to see if the MII Status Register reports
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	 * link.  If so, then we want to get the current speed/duplex
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	 * of the PHY.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	if (hw->mac.type == e1000_pchlan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
		ret_val = e1000_k1_gig_workaround_hv(hw, link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	/* When connected at 10Mbps half-duplex, some parts are excessively
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	 * aggressive resulting in many collisions. To avoid this, increase
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
	 * the IPG and reduce Rx latency in the PHY.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	if (((hw->mac.type == e1000_pch2lan) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
	     (hw->mac.type == e1000_pch_lpt)) && link) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
		u32 reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
		reg = er32(STATUS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
		if (!(reg & (E1000_STATUS_FD | E1000_STATUS_SPEED_MASK))) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
			u16 emi_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
			reg = er32(TIPG);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
			reg &= ~E1000_TIPG_IPGT_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
			reg |= 0xFF;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
			ew32(TIPG, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
			/* Reduce Rx latency in analog PHY */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
			ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
			if (hw->mac.type == e1000_pch2lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
				emi_addr = I82579_RX_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
			else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
				emi_addr = I217_RX_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
			ret_val = e1000_write_emi_reg_locked(hw, emi_addr, 0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
			hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	/* Work-around I218 hang issue */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	if ((hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_LM) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_V) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM3) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	    (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V3)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
		ret_val = e1000_k1_workaround_lpt_lp(hw, link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	if (hw->mac.type == e1000_pch_lpt) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
		/* Set platform power management values for
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
		 * Latency Tolerance Reporting (LTR)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
		ret_val = e1000_platform_pm_pch_lpt(hw, link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	/* Clear link partner's EEE ability */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	hw->dev_spec.ich8lan.eee_lp_ability = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	if (!link)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
		return 0;	/* No link detected */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	mac->get_link_status = false;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
	switch (hw->mac.type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	case e1000_pch2lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
		ret_val = e1000_k1_workaround_lv(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
		/* fall-thru */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	case e1000_pchlan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
		if (hw->phy.type == e1000_phy_82578) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
			ret_val = e1000_link_stall_workaround_hv(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		/* Workaround for PCHx parts in half-duplex:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		 * Set the number of preambles removed from the packet
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		 * when it is passed from the PHY to the MAC to prevent
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		 * the MAC from misinterpreting the packet type.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
		e1e_rphy(hw, HV_KMRN_FIFO_CTRLSTA, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		phy_reg &= ~HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
		if ((er32(STATUS) & E1000_STATUS_FD) != E1000_STATUS_FD)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
			phy_reg |= (1 << HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
		e1e_wphy(hw, HV_KMRN_FIFO_CTRLSTA, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	/* Check if there was DownShift, must be checked
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
	 * immediately after link-up
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	e1000e_check_downshift(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	/* Enable/Disable EEE after link up */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
	if (hw->phy.type > e1000_phy_82579) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		ret_val = e1000_set_eee_pchlan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	/* If we are forcing speed/duplex, then we simply return since
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	 * we have already determined whether we have link or not.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	if (!mac->autoneg)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	/* Auto-Neg is enabled.  Auto Speed Detection takes care
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	 * of MAC speed/duplex configuration.  So we only need to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	 * configure Collision Distance in the MAC.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	mac->ops.config_collision_dist(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	/* Configure Flow Control now that Auto-Neg has completed.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	 * First, we need to restore the desired flow control
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	 * settings because we may have had to re-autoneg with a
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	 * different link partner.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	ret_val = e1000e_config_fc_after_link_up(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
		e_dbg("Error configuring flow control\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	struct e1000_hw *hw = &adapter->hw;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	s32 rc;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	rc = e1000_init_mac_params_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	if (rc)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		return rc;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	rc = e1000_init_nvm_params_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	if (rc)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		return rc;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	switch (hw->mac.type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	case e1000_ich8lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	case e1000_ich9lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	case e1000_ich10lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
		rc = e1000_init_phy_params_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	case e1000_pchlan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	case e1000_pch2lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	case e1000_pch_lpt:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
		rc = e1000_init_phy_params_pchlan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	if (rc)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
		return rc;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	/* Disable Jumbo Frame support on parts with Intel 10/100 PHY or
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	 * on parts with MACsec enabled in NVM (reflected in CTRL_EXT).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	if ((adapter->hw.phy.type == e1000_phy_ife) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
	    ((adapter->hw.mac.type >= e1000_pch2lan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	     (!(er32(CTRL_EXT) & E1000_CTRL_EXT_LSECCK)))) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		adapter->flags &= ~FLAG_HAS_JUMBO_FRAMES;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
		adapter->max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		hw->mac.ops.blink_led = NULL;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	if ((adapter->hw.mac.type == e1000_ich8lan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	    (adapter->hw.phy.type != e1000_phy_ife))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		adapter->flags |= FLAG_LSC_GIG_SPEED_DROP;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	/* Enable workaround for 82579 w/ ME enabled */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	if ((adapter->hw.mac.type == e1000_pch2lan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	    (er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		adapter->flags2 |= FLAG2_PCIM2PCI_ARBITER_WA;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
static DEFINE_MUTEX(nvm_mutex);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
 *  e1000_acquire_nvm_ich8lan - Acquire NVM mutex
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
 *  Acquires the mutex for performing NVM operations.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw __always_unused *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	mutex_lock(&nvm_mutex);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 *  e1000_release_nvm_ich8lan - Release NVM mutex
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
 *  Releases the mutex used while performing NVM operations.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
static void e1000_release_nvm_ich8lan(struct e1000_hw __always_unused *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	mutex_unlock(&nvm_mutex);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
 *  e1000_acquire_swflag_ich8lan - Acquire software control flag
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
 *  Acquires the software control flag for performing PHY and select
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
 *  MAC CSR accesses.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	u32 extcnf_ctrl, timeout = PHY_CFG_TIMEOUT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
	if (test_and_set_bit(__E1000_ACCESS_SHARED_RESOURCE,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
			     &hw->adapter->state)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
		e_dbg("contention for Phy access\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		return -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	while (timeout) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		extcnf_ctrl = er32(EXTCNF_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		mdelay(1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
		timeout--;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	if (!timeout) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
		e_dbg("SW has already locked the resource.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
		ret_val = -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	timeout = SW_FLAG_TIMEOUT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	ew32(EXTCNF_CTRL, extcnf_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	while (timeout) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		extcnf_ctrl = er32(EXTCNF_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		mdelay(1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		timeout--;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	if (!timeout) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
		e_dbg("Failed to acquire the semaphore, FW or HW has it: FWSM=0x%8.8x EXTCNF_CTRL=0x%8.8x)\n",
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		      er32(FWSM), extcnf_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
		extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		ew32(EXTCNF_CTRL, extcnf_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
		ret_val = -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		clear_bit(__E1000_ACCESS_SHARED_RESOURCE, &hw->adapter->state);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
 *  e1000_release_swflag_ich8lan - Release software control flag
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
 *  Releases the software control flag for performing PHY and select
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
 *  MAC CSR accesses.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
static void e1000_release_swflag_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	u32 extcnf_ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	extcnf_ctrl = er32(EXTCNF_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
		extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		ew32(EXTCNF_CTRL, extcnf_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		e_dbg("Semaphore unexpectedly released by sw/fw/hw\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	clear_bit(__E1000_ACCESS_SHARED_RESOURCE, &hw->adapter->state);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
 *  e1000_check_mng_mode_ich8lan - Checks management mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
 *  This checks if the adapter has any manageability enabled.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
 *  This is a function pointer entry point only called by read/write
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
 *  routines for the PHY and NVM parts.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
	u32 fwsm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	fwsm = er32(FWSM);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	return (fwsm & E1000_ICH_FWSM_FW_VALID) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		((fwsm & E1000_FWSM_MODE_MASK) ==
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		 (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
 *  e1000_check_mng_mode_pchlan - Checks management mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
 *  This checks if the adapter has iAMT enabled.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
 *  This is a function pointer entry point only called by read/write
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
 *  routines for the PHY and NVM parts.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	u32 fwsm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	fwsm = er32(FWSM);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	return (fwsm & E1000_ICH_FWSM_FW_VALID) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	    (fwsm & (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
 *  e1000_rar_set_pch2lan - Set receive address register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
 *  @addr: pointer to the receive address
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
 *  @index: receive address array register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
 *  Sets the receive address array register at index to the address passed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
 *  in by addr.  For 82579, RAR[0] is the base address register that is to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
 *  contain the MAC address but RAR[1-6] are reserved for manageability (ME).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
 *  Use SHRA[0-3] in place of those reserved for ME.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
static int e1000_rar_set_pch2lan(struct e1000_hw *hw, u8 *addr, u32 index)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	u32 rar_low, rar_high;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	/* HW expects these in little endian so we reverse the byte order
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	 * from network order (big endian) to little endian
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
	rar_low = ((u32)addr[0] |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
		   ((u32)addr[1] << 8) |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
		   ((u32)addr[2] << 16) | ((u32)addr[3] << 24));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
	rar_high = ((u32)addr[4] | ((u32)addr[5] << 8));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
	/* If MAC address zero, no need to set the AV bit */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	if (rar_low || rar_high)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
		rar_high |= E1000_RAH_AV;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	if (index == 0) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		ew32(RAL(index), rar_low);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
		ew32(RAH(index), rar_high);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	/* RAR[1-6] are owned by manageability.  Skip those and program the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	 * next address into the SHRA register array.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	if (index < (u32)(hw->mac.rar_entry_count)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
		s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		ret_val = e1000_acquire_swflag_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
			goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
		ew32(SHRAL(index - 1), rar_low);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
		e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
		ew32(SHRAH(index - 1), rar_high);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
		e1000_release_swflag_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
		/* verify the register updates */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
		if ((er32(SHRAL(index - 1)) == rar_low) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
		    (er32(SHRAH(index - 1)) == rar_high))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
		e_dbg("SHRA[%d] might be locked by ME - FWSM=0x%8.8x\n",
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		      (index - 1), er32(FWSM));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	e_dbg("Failed to write receive address at index %d\n", index);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
 *  e1000_rar_get_count_pch_lpt - Get the number of available SHRA
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
 *  Get the number of available receive registers that the Host can
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
 *  program. SHRA[0-10] are the shared receive address registers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
 *  that are shared between the Host and manageability engine (ME).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
 *  ME can reserve any number of addresses and the host needs to be
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
 *  able to tell how many available registers it has access to.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
static u32 e1000_rar_get_count_pch_lpt(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	u32 wlock_mac;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
	u32 num_entries;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	wlock_mac = er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	wlock_mac >>= E1000_FWSM_WLOCK_MAC_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
	switch (wlock_mac) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	case 0:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		/* All SHRA[0..10] and RAR[0] available */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
		num_entries = hw->mac.rar_entry_count;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	case 1:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		/* Only RAR[0] available */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
		num_entries = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
		/* SHRA[0..(wlock_mac - 1)] available + RAR[0] */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		num_entries = wlock_mac + 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	return num_entries;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
 *  e1000_rar_set_pch_lpt - Set receive address registers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
 *  @addr: pointer to the receive address
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
 *  @index: receive address array register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
 *  Sets the receive address register array at index to the address passed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
 *  in by addr. For LPT, RAR[0] is the base address register that is to
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
 *  contain the MAC address. SHRA[0-10] are the shared receive address
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
 *  registers that are shared between the Host and manageability engine (ME).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
static int e1000_rar_set_pch_lpt(struct e1000_hw *hw, u8 *addr, u32 index)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	u32 rar_low, rar_high;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	u32 wlock_mac;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	/* HW expects these in little endian so we reverse the byte order
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
	 * from network order (big endian) to little endian
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	rar_low = ((u32)addr[0] | ((u32)addr[1] << 8) |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
		   ((u32)addr[2] << 16) | ((u32)addr[3] << 24));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	rar_high = ((u32)addr[4] | ((u32)addr[5] << 8));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
	/* If MAC address zero, no need to set the AV bit */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
	if (rar_low || rar_high)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		rar_high |= E1000_RAH_AV;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	if (index == 0) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		ew32(RAL(index), rar_low);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
		e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
		ew32(RAH(index), rar_high);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
		e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	/* The manageability engine (ME) can lock certain SHRAR registers that
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
	 * it is using - those registers are unavailable for use.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	if (index < hw->mac.rar_entry_count) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		wlock_mac = er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		wlock_mac >>= E1000_FWSM_WLOCK_MAC_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
		/* Check if all SHRAR registers are locked */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
		if (wlock_mac == 1)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
			goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
		if ((wlock_mac == 0) || (index <= wlock_mac)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
			s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
			ret_val = e1000_acquire_swflag_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
				goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
			ew32(SHRAL_PCH_LPT(index - 1), rar_low);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
			e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
			ew32(SHRAH_PCH_LPT(index - 1), rar_high);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
			e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
			e1000_release_swflag_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
			/* verify the register updates */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
			if ((er32(SHRAL_PCH_LPT(index - 1)) == rar_low) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
			    (er32(SHRAH_PCH_LPT(index - 1)) == rar_high))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
				return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
	e_dbg("Failed to write receive address at index %d\n", index);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	return -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
 *  e1000_check_reset_block_ich8lan - Check if PHY reset is blocked
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
 *  Checks if firmware is blocking the reset of the PHY.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
 *  This is a function pointer entry point only called by
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
 *  reset routines.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
	bool blocked = false;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
	int i = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
	while ((blocked = !(er32(FWSM) & E1000_ICH_FWSM_RSPCIPHY)) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
	       (i++ < 10))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		usleep_range(10000, 20000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
	return blocked ? E1000_BLK_PHY_RESET : 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
 *  e1000_write_smbus_addr - Write SMBus address to PHY needed during Sx states
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
 *  Assumes semaphore already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
static s32 e1000_write_smbus_addr(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	u16 phy_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	u32 strap = er32(STRAP);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	u32 freq = (strap & E1000_STRAP_SMT_FREQ_MASK) >>
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	    E1000_STRAP_SMT_FREQ_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	strap &= E1000_STRAP_SMBUS_ADDRESS_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	ret_val = e1000_read_phy_reg_hv_locked(hw, HV_SMB_ADDR, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	phy_data &= ~HV_SMB_ADDR_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	phy_data |= (strap >> E1000_STRAP_SMBUS_ADDRESS_SHIFT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
	phy_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
	if (hw->phy.type == e1000_phy_i217) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
		/* Restore SMBus frequency */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		if (freq--) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
			phy_data &= ~HV_SMB_ADDR_FREQ_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
			phy_data |= (freq & (1 << 0)) <<
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
			    HV_SMB_ADDR_FREQ_LOW_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
			phy_data |= (freq & (1 << 1)) <<
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
			    (HV_SMB_ADDR_FREQ_HIGH_SHIFT - 1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
			e_dbg("Unsupported SMB frequency in PHY\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	return e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
 *  e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
 *  @hw:   pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
 *  SW should configure the LCD from the NVM extended configuration region
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
 *  as a workaround for certain parts.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
	u16 word_addr, reg_data, reg_addr, phy_page = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
	/* Initialize the PHY from the NVM on ICH platforms.  This
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	 * is needed due to an issue where the NVM configuration is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	 * not properly autoloaded after power transitions.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	 * Therefore, after each PHY reset, we will load the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	 * configuration data out of the NVM manually.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	switch (hw->mac.type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	case e1000_ich8lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		if (phy->type != e1000_phy_igp_3)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
		if ((hw->adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_AMT) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
		    (hw->adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_C)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
			sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
		/* Fall-thru */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	case e1000_pchlan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	case e1000_pch2lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	case e1000_pch_lpt:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
		sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
	data = er32(FEXTNVM);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	if (!(data & sw_cfg_mask))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	/* Make sure HW does not configure LCD from PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	 * extended configuration before SW configuration
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	data = er32(EXTCNF_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	if ((hw->mac.type < e1000_pch2lan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	    (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	cnf_size = er32(EXTCNF_SIZE);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
	cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	if (!cnf_size)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	if (((hw->mac.type == e1000_pchlan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
	     !(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE)) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	    (hw->mac.type > e1000_pchlan)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		/* HW configures the SMBus address and LEDs when the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		 * OEM and LCD Write Enable bits are set in the NVM.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		 * When both NVM bits are cleared, SW will configure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
		 * them instead.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
		ret_val = e1000_write_smbus_addr(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
		data = er32(LEDCTL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
		ret_val = e1000_write_phy_reg_hv_locked(hw, HV_LED_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
							(u16)data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	/* Configure LCD from extended configuration region. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	/* cnf_base_addr is in DWORD */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	word_addr = (u16)(cnf_base_addr << 1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	for (i = 0; i < cnf_size; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1, &reg_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
		ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1),
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
					 1, &reg_addr);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
		/* Save off the PHY page for future writes. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
		if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
			phy_page = reg_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
			continue;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
		reg_addr &= PHY_REG_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
		reg_addr |= phy_page;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
		ret_val = e1e_wphy_locked(hw, (u32)reg_addr, reg_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
 *  e1000_k1_gig_workaround_hv - K1 Si workaround
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
 *  @hw:   pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
 *  @link: link up bool flag
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
 *  If K1 is enabled for 1Gbps, the MAC might stall when transitioning
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
 *  from a lower speed.  This workaround disables K1 whenever link is at 1Gig
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
 *  If link is down, the function will restore the default K1 setting located
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
 *  in the NVM.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	u16 status_reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
	bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	if (hw->mac.type != e1000_pchlan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	/* Wrap the whole flow with the sw flag */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	/* Disable K1 when link is 1Gbps, otherwise use the NVM setting */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
	if (link) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
		if (hw->phy.type == e1000_phy_82578) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
			ret_val = e1e_rphy_locked(hw, BM_CS_STATUS,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
						  &status_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
				goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
			status_reg &= (BM_CS_STATUS_LINK_UP |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
				       BM_CS_STATUS_RESOLVED |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
				       BM_CS_STATUS_SPEED_MASK);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
			if (status_reg == (BM_CS_STATUS_LINK_UP |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
					   BM_CS_STATUS_RESOLVED |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
					   BM_CS_STATUS_SPEED_1000))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
				k1_enable = false;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		if (hw->phy.type == e1000_phy_82577) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
			ret_val = e1e_rphy_locked(hw, HV_M_STATUS, &status_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
				goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
			status_reg &= (HV_M_STATUS_LINK_UP |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
				       HV_M_STATUS_AUTONEG_COMPLETE |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
				       HV_M_STATUS_SPEED_MASK);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
			if (status_reg == (HV_M_STATUS_LINK_UP |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
					   HV_M_STATUS_AUTONEG_COMPLETE |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
					   HV_M_STATUS_SPEED_1000))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
				k1_enable = false;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
		/* Link stall fix for link up */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
		ret_val = e1e_wphy_locked(hw, PHY_REG(770, 19), 0x0100);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
		/* Link stall fix for link down */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		ret_val = e1e_wphy_locked(hw, PHY_REG(770, 19), 0x4100);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
	ret_val = e1000_configure_k1_ich8lan(hw, k1_enable);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
 *  e1000_configure_k1_ich8lan - Configure K1 power state
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
 *  @enable: K1 state to configure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
 *  Configure the K1 power state based on the provided parameter.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
 *  Assumes semaphore already acquired.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	u32 ctrl_reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
	u32 ctrl_ext = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	u32 reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	u16 kmrn_reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
	ret_val = e1000e_read_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
					      &kmrn_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	if (k1_enable)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
		kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
		kmrn_reg &= ~E1000_KMRNCTRLSTA_K1_ENABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	ret_val = e1000e_write_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
					       kmrn_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	usleep_range(20, 40);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	ctrl_ext = er32(CTRL_EXT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	ctrl_reg = er32(CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	reg = ctrl_reg & ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	reg |= E1000_CTRL_FRCSPD;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	ew32(CTRL, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	usleep_range(20, 40);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	ew32(CTRL, ctrl_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	ew32(CTRL_EXT, ctrl_ext);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
	e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	usleep_range(20, 40);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
 *  e1000_oem_bits_config_ich8lan - SW-based LCD Configuration
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
 *  @hw:       pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
 *  @d0_state: boolean if entering d0 or d3 device state
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
 *  SW will configure Gbe Disable and LPLU based on the NVM. The four bits are
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
 *  collectively called OEM bits.  The OEM Write Enable bit and SW Config bit
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
 *  in NVM determines whether HW should configure LPLU and Gbe Disable.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	u32 mac_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
	u16 oem_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	if (hw->mac.type < e1000_pchlan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	if (hw->mac.type == e1000_pchlan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
		mac_reg = er32(EXTCNF_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
		if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	mac_reg = er32(FEXTNVM);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	mac_reg = er32(PHY_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	ret_val = e1e_rphy_locked(hw, HV_OEM_BITS, &oem_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	if (d0_state) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
		if (mac_reg & E1000_PHY_CTRL_GBE_DISABLE)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
			oem_reg |= HV_OEM_BITS_GBE_DIS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
		if (mac_reg & E1000_PHY_CTRL_D0A_LPLU)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
			oem_reg |= HV_OEM_BITS_LPLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
		if (mac_reg & (E1000_PHY_CTRL_GBE_DISABLE |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
			       E1000_PHY_CTRL_NOND0A_GBE_DISABLE))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
			oem_reg |= HV_OEM_BITS_GBE_DIS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
		if (mac_reg & (E1000_PHY_CTRL_D0A_LPLU |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
			       E1000_PHY_CTRL_NOND0A_LPLU))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
			oem_reg |= HV_OEM_BITS_LPLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	/* Set Restart auto-neg to activate the bits */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	if ((d0_state || (hw->mac.type != e1000_pchlan)) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	    !hw->phy.ops.check_reset_block(hw))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
		oem_reg |= HV_OEM_BITS_RESTART_AN;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	ret_val = e1e_wphy_locked(hw, HV_OEM_BITS, oem_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
 *  e1000_set_mdio_slow_mode_hv - Set slow MDIO access mode
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
 *  @hw:   pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	ret_val = e1e_rphy(hw, HV_KMRN_MODE_CTRL, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	data |= HV_KMRN_MDIO_SLOW;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	ret_val = e1e_wphy(hw, HV_KMRN_MODE_CTRL, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
 *  e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
 *  done after every PHY reset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
	u16 phy_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	if (hw->mac.type != e1000_pchlan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	/* Set MDIO slow mode before any other MDIO access */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	if (hw->phy.type == e1000_phy_82577) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
		ret_val = e1000_set_mdio_slow_mode_hv(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	if (((hw->phy.type == e1000_phy_82577) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	     ((hw->phy.revision == 1) || (hw->phy.revision == 2))) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	    ((hw->phy.type == e1000_phy_82578) && (hw->phy.revision == 1))) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
		/* Disable generation of early preamble */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
		ret_val = e1e_wphy(hw, PHY_REG(769, 25), 0x4431);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
		/* Preamble tuning for SSC */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
		ret_val = e1e_wphy(hw, HV_KMRN_FIFO_CTRLSTA, 0xA204);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
	if (hw->phy.type == e1000_phy_82578) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
		/* Return registers to default by doing a soft reset then
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
		 * writing 0x3140 to the control register.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
		if (hw->phy.revision < 2) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
			e1000e_phy_sw_reset(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
			ret_val = e1e_wphy(hw, MII_BMCR, 0x3140);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
	/* Select page 0 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
	hw->phy.addr = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	/* Configure the K1 Si workaround during phy reset assuming there is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	 * link so that it disables K1 if link is in 1Gbps.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	ret_val = e1000_k1_gig_workaround_hv(hw, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	/* Workaround for link disconnects on a busy hub in half duplex */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	ret_val = e1e_rphy_locked(hw, BM_PORT_GEN_CFG, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	ret_val = e1e_wphy_locked(hw, BM_PORT_GEN_CFG, phy_data & 0x00FF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	/* set MSE higher to enable link to stay up when noise is high */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	ret_val = e1000_write_emi_reg_locked(hw, I82577_MSE_THRESHOLD, 0x0034);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
 *  e1000_copy_rx_addrs_to_phy_ich8lan - Copy Rx addresses from MAC to PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
 *  @hw:   pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	u32 mac_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	u16 i, phy_reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
		return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	ret_val = e1000_enable_phy_wakeup_reg_access_bm(hw, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	/* Copy both RAL/H (rar_entry_count) and SHRAL/H to PHY */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	for (i = 0; i < (hw->mac.rar_entry_count); i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		mac_reg = er32(RAL(i));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		hw->phy.ops.write_reg_page(hw, BM_RAR_L(i),
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
					   (u16)(mac_reg & 0xFFFF));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
		hw->phy.ops.write_reg_page(hw, BM_RAR_M(i),
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
					   (u16)((mac_reg >> 16) & 0xFFFF));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		mac_reg = er32(RAH(i));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		hw->phy.ops.write_reg_page(hw, BM_RAR_H(i),
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
					   (u16)(mac_reg & 0xFFFF));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
		hw->phy.ops.write_reg_page(hw, BM_RAR_CTRL(i),
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
					   (u16)((mac_reg & E1000_RAH_AV)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
						 >> 16));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	e1000_disable_phy_wakeup_reg_access_bm(hw, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
 *  e1000_lv_jumbo_workaround_ich8lan - required for jumbo frame operation
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
 *  with 82579 PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
 *  @enable: flag to enable/disable workaround when enabling/disabling jumbos
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	u16 phy_reg, data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	u32 mac_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	u16 i;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	if (hw->mac.type < e1000_pch2lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
	/* disable Rx path while enabling/disabling workaround */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg | (1 << 14));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	if (enable) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		/* Write Rx addresses (rar_entry_count for RAL/H, and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
		 * SHRAL/H) and initial CRC values to the MAC
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		for (i = 0; i < hw->mac.rar_entry_count; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
			u8 mac_addr[ETH_ALEN] = { 0 };
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
			u32 addr_high, addr_low;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
			addr_high = er32(RAH(i));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
			if (!(addr_high & E1000_RAH_AV))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
				continue;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
			addr_low = er32(RAL(i));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
			mac_addr[0] = (addr_low & 0xFF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
			mac_addr[1] = ((addr_low >> 8) & 0xFF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
			mac_addr[2] = ((addr_low >> 16) & 0xFF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
			mac_addr[3] = ((addr_low >> 24) & 0xFF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
			mac_addr[4] = (addr_high & 0xFF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
			mac_addr[5] = ((addr_high >> 8) & 0xFF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
			ew32(PCH_RAICC(i), ~ether_crc_le(ETH_ALEN, mac_addr));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		/* Write Rx addresses to the PHY */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		e1000_copy_rx_addrs_to_phy_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		/* Enable jumbo frame workaround in the MAC */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
		mac_reg = er32(FFLT_DBG);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
		mac_reg &= ~(1 << 14);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
		mac_reg |= (7 << 15);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
		ew32(FFLT_DBG, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
		mac_reg = er32(RCTL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
		mac_reg |= E1000_RCTL_SECRC;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
		ew32(RCTL, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
		ret_val = e1000e_read_kmrn_reg(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
					       E1000_KMRNCTRLSTA_CTRL_OFFSET,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
					       &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
		ret_val = e1000e_write_kmrn_reg(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
						E1000_KMRNCTRLSTA_CTRL_OFFSET,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
						data | (1 << 0));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
		ret_val = e1000e_read_kmrn_reg(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
					       E1000_KMRNCTRLSTA_HD_CTRL,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
					       &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
		data &= ~(0xF << 8);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
		data |= (0xB << 8);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
		ret_val = e1000e_write_kmrn_reg(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
						E1000_KMRNCTRLSTA_HD_CTRL,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
						data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
		/* Enable jumbo frame workaround in the PHY */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
		e1e_rphy(hw, PHY_REG(769, 23), &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		data &= ~(0x7F << 5);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
		data |= (0x37 << 5);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
		ret_val = e1e_wphy(hw, PHY_REG(769, 23), data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
		e1e_rphy(hw, PHY_REG(769, 16), &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		data &= ~(1 << 13);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
		ret_val = e1e_wphy(hw, PHY_REG(769, 16), data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
		e1e_rphy(hw, PHY_REG(776, 20), &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		data &= ~(0x3FF << 2);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		data |= (0x1A << 2);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		ret_val = e1e_wphy(hw, PHY_REG(776, 20), data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
		ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0xF100);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
		e1e_rphy(hw, HV_PM_CTRL, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
		ret_val = e1e_wphy(hw, HV_PM_CTRL, data | (1 << 10));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		/* Write MAC register values back to h/w defaults */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		mac_reg = er32(FFLT_DBG);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		mac_reg &= ~(0xF << 14);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		ew32(FFLT_DBG, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		mac_reg = er32(RCTL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		mac_reg &= ~E1000_RCTL_SECRC;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
		ew32(RCTL, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
		ret_val = e1000e_read_kmrn_reg(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
					       E1000_KMRNCTRLSTA_CTRL_OFFSET,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
					       &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
		ret_val = e1000e_write_kmrn_reg(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
						E1000_KMRNCTRLSTA_CTRL_OFFSET,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
						data & ~(1 << 0));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
		ret_val = e1000e_read_kmrn_reg(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
					       E1000_KMRNCTRLSTA_HD_CTRL,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
					       &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		data &= ~(0xF << 8);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
		data |= (0xB << 8);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
		ret_val = e1000e_write_kmrn_reg(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
						E1000_KMRNCTRLSTA_HD_CTRL,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
						data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
		/* Write PHY register values back to h/w defaults */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
		e1e_rphy(hw, PHY_REG(769, 23), &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
		data &= ~(0x7F << 5);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
		ret_val = e1e_wphy(hw, PHY_REG(769, 23), data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
		e1e_rphy(hw, PHY_REG(769, 16), &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		data |= (1 << 13);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		ret_val = e1e_wphy(hw, PHY_REG(769, 16), data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
		e1e_rphy(hw, PHY_REG(776, 20), &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		data &= ~(0x3FF << 2);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
		data |= (0x8 << 2);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		ret_val = e1e_wphy(hw, PHY_REG(776, 20), data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
		ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0x7E00);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
		e1e_rphy(hw, HV_PM_CTRL, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		ret_val = e1e_wphy(hw, HV_PM_CTRL, data & ~(1 << 10));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	/* re-enable Rx path after enabling/disabling workaround */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	return e1e_wphy(hw, PHY_REG(769, 20), phy_reg & ~(1 << 14));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
 *  e1000_lv_phy_workarounds_ich8lan - A series of Phy workarounds to be
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
 *  done after every PHY reset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
static s32 e1000_lv_phy_workarounds_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
	if (hw->mac.type != e1000_pch2lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
	/* Set MDIO slow mode before any other MDIO access */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	ret_val = e1000_set_mdio_slow_mode_hv(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
	ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
	/* set MSE higher to enable link to stay up when noise is high */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
	ret_val = e1000_write_emi_reg_locked(hw, I82579_MSE_THRESHOLD, 0x0034);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
	/* drop link after 5 times MSE threshold was reached */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	ret_val = e1000_write_emi_reg_locked(hw, I82579_MSE_LINK_DOWN, 0x0005);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
 *  e1000_k1_gig_workaround_lv - K1 Si workaround
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
 *  @hw:   pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
 *  Workaround to set the K1 beacon duration for 82579 parts in 10Mbps
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
 *  Disable K1 in 1000Mbps and 100Mbps
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
static s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	u16 status_reg = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	if (hw->mac.type != e1000_pch2lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
	/* Set K1 beacon duration based on 10Mbs speed */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
	ret_val = e1e_rphy(hw, HV_M_STATUS, &status_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
	if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	    == (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		if (status_reg &
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		    (HV_M_STATUS_SPEED_1000 | HV_M_STATUS_SPEED_100)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
			u16 pm_phy_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
			/* LV 1G/100 Packet drop issue wa  */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
			ret_val = e1e_rphy(hw, HV_PM_CTRL, &pm_phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
			pm_phy_reg &= ~HV_PM_CTRL_K1_ENABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			ret_val = e1e_wphy(hw, HV_PM_CTRL, pm_phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
			u32 mac_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
			mac_reg = er32(FEXTNVM4);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
			mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
			mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_16USEC;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
			ew32(FEXTNVM4, mac_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
 *  e1000_gate_hw_phy_config_ich8lan - disable PHY config via hardware
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
 *  @hw:   pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
 *  @gate: boolean set to true to gate, false to ungate
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
 *  Gate/ungate the automatic PHY configuration via hardware; perform
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
 *  the configuration via software instead.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
	u32 extcnf_ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	if (hw->mac.type < e1000_pch2lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
		return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	extcnf_ctrl = er32(EXTCNF_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
	if (gate)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
		extcnf_ctrl |= E1000_EXTCNF_CTRL_GATE_PHY_CFG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
		extcnf_ctrl &= ~E1000_EXTCNF_CTRL_GATE_PHY_CFG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	ew32(EXTCNF_CTRL, extcnf_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
 *  e1000_lan_init_done_ich8lan - Check for PHY config completion
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
 *  Check the appropriate indication the MAC has finished configuring the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
 *  PHY after a software reset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	u32 data, loop = E1000_ICH8_LAN_INIT_TIMEOUT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	/* Wait for basic configuration completes before proceeding */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
	do {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		data = er32(STATUS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		data &= E1000_STATUS_LAN_INIT_DONE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		usleep_range(100, 200);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	} while ((!data) && --loop);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	/* If basic configuration is incomplete before the above loop
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	 * count reaches 0, loading the configuration from NVM will
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
	 * leave the PHY in a bad state possibly resulting in no link.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
	if (loop == 0)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		e_dbg("LAN_INIT_DONE not set, increase timeout\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
	/* Clear the Init Done bit for the next init event */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
	data = er32(STATUS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
	data &= ~E1000_STATUS_LAN_INIT_DONE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	ew32(STATUS, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
 *  e1000_post_phy_reset_ich8lan - Perform steps required after a PHY reset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	u16 reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	if (hw->phy.ops.check_reset_block(hw))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	/* Allow time for h/w to get to quiescent state after reset */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
	usleep_range(10000, 20000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	/* Perform any necessary post-reset workarounds */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	switch (hw->mac.type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	case e1000_pchlan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
		ret_val = e1000_hv_phy_workarounds_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	case e1000_pch2lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
		ret_val = e1000_lv_phy_workarounds_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	/* Clear the host wakeup bit after lcd reset */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	if (hw->mac.type >= e1000_pchlan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
		e1e_rphy(hw, BM_PORT_GEN_CFG, &reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
		reg &= ~BM_WUC_HOST_WU_BIT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		e1e_wphy(hw, BM_PORT_GEN_CFG, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	/* Configure the LCD with the extended configuration region in NVM */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	ret_val = e1000_sw_lcd_config_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	/* Configure the LCD with the OEM bits in NVM */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	ret_val = e1000_oem_bits_config_ich8lan(hw, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	if (hw->mac.type == e1000_pch2lan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
		/* Ungate automatic PHY configuration on non-managed 82579 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
		if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
			usleep_range(10000, 20000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
			e1000_gate_hw_phy_config_ich8lan(hw, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
		/* Set EEE LPI Update Timer to 200usec */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
		ret_val = e1000_write_emi_reg_locked(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
						     I82579_LPI_UPDATE_TIMER,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
						     0x1387);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
 *  e1000_phy_hw_reset_ich8lan - Performs a PHY reset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
 *  Resets the PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
 *  This is a function pointer entry point called by drivers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
 *  or other shared routines.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	/* Gate automatic PHY configuration by hardware on non-managed 82579 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	if ((hw->mac.type == e1000_pch2lan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	    !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
		e1000_gate_hw_phy_config_ich8lan(hw, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	ret_val = e1000e_phy_hw_reset_generic(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	return e1000_post_phy_reset_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
 *  e1000_set_lplu_state_pchlan - Set Low Power Link Up state
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
 *  @active: true to enable LPLU, false to disable
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
 *  Sets the LPLU state according to the active flag.  For PCH, if OEM write
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
 *  bit are disabled in the NVM, writing the LPLU bits in the MAC will not set
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
 *  the phy speed. This function will manually set the LPLU bit and restart
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
 *  auto-neg as hw would do. D3 and D0 LPLU will call the same function
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
 *  since it configures the same bit.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	u16 oem_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	if (active)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		oem_reg |= HV_OEM_BITS_LPLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		oem_reg &= ~HV_OEM_BITS_LPLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
	if (!hw->phy.ops.check_reset_block(hw))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		oem_reg |= HV_OEM_BITS_RESTART_AN;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	return e1e_wphy(hw, HV_OEM_BITS, oem_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
 *  e1000_set_d0_lplu_state_ich8lan - Set Low Power Linkup D0 state
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
 *  @active: true to enable LPLU, false to disable
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
 *  Sets the LPLU D0 state according to the active flag.  When
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
 *  activating LPLU this function also disables smart speed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
 *  and vice versa.  LPLU will not be activated unless the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
 *  device autonegotiation advertisement meets standards of
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
 *  either 10 or 10/100 or 10/100/1000 at all duplexes.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
 *  This is a function pointer entry point only called by
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
 *  PHY setup routines.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	u32 phy_ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	if (phy->type == e1000_phy_ife)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	phy_ctrl = er32(PHY_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	if (active) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
		phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		ew32(PHY_CTRL, phy_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		if (phy->type != e1000_phy_igp_3)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		/* Call gig speed drop workaround on LPLU before accessing
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		 * any PHY registers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
		if (hw->mac.type == e1000_ich8lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
			e1000e_gig_downshift_workaround_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		/* When LPLU is enabled, we should disable SmartSpeed */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		data &= ~IGP01E1000_PSCFR_SMART_SPEED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
		ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
		phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
		ew32(PHY_CTRL, phy_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		if (phy->type != e1000_phy_igp_3)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		 * during Dx states where the power conservation is most
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
		 * important.  During driver activity we should enable
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		 * SmartSpeed, so performance is maintained.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		if (phy->smart_speed == e1000_smart_speed_on) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
					   &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
			data |= IGP01E1000_PSCFR_SMART_SPEED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
					   data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
		} else if (phy->smart_speed == e1000_smart_speed_off) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
					   &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
					   data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
 *  e1000_set_d3_lplu_state_ich8lan - Set Low Power Linkup D3 state
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
 *  @active: true to enable LPLU, false to disable
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
 *  Sets the LPLU D3 state according to the active flag.  When
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
 *  activating LPLU this function also disables smart speed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
 *  and vice versa.  LPLU will not be activated unless the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
 *  device autonegotiation advertisement meets standards of
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
 *  either 10 or 10/100 or 10/100/1000 at all duplexes.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
 *  This is a function pointer entry point only called by
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
 *  PHY setup routines.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	struct e1000_phy_info *phy = &hw->phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	u32 phy_ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	phy_ctrl = er32(PHY_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	if (!active) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
		phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
		ew32(PHY_CTRL, phy_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		if (phy->type != e1000_phy_igp_3)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		 * during Dx states where the power conservation is most
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		 * important.  During driver activity we should enable
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		 * SmartSpeed, so performance is maintained.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
		if (phy->smart_speed == e1000_smart_speed_on) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
					   &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
			data |= IGP01E1000_PSCFR_SMART_SPEED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
					   data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		} else if (phy->smart_speed == e1000_smart_speed_off) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
					   &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
					   data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	} else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		   (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		   (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		ew32(PHY_CTRL, phy_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		if (phy->type != e1000_phy_igp_3)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
		/* Call gig speed drop workaround on LPLU before accessing
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		 * any PHY registers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		if (hw->mac.type == e1000_ich8lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
			e1000e_gig_downshift_workaround_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		/* When LPLU is enabled, we should disable SmartSpeed */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		data &= ~IGP01E1000_PSCFR_SMART_SPEED;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
 *  e1000_valid_nvm_bank_detect_ich8lan - finds out the valid bank 0 or 1
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
 *  @bank:  pointer to the variable that returns the active bank
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
 *  Reads signature byte from the NVM using the flash access registers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
 *  Word 0x13 bits 15:14 = 10b indicate a valid signature for that bank.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	u32 eecd;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	struct e1000_nvm_info *nvm = &hw->nvm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
	u32 bank1_offset = nvm->flash_bank_size * sizeof(u16);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	u32 act_offset = E1000_ICH_NVM_SIG_WORD * 2 + 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
	u8 sig_byte = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	switch (hw->mac.type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
	case e1000_ich8lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
	case e1000_ich9lan:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		eecd = er32(EECD);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		if ((eecd & E1000_EECD_SEC1VAL_VALID_MASK) ==
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		    E1000_EECD_SEC1VAL_VALID_MASK) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
			if (eecd & E1000_EECD_SEC1VAL)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
				*bank = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
			else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
				*bank = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
		e_dbg("Unable to determine valid NVM bank via EEC - reading flash signature\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		/* fall-thru */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		/* set bank to 0 in case flash read fails */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		*bank = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
		/* Check bank 0 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
							&sig_byte);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) ==
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		    E1000_ICH_NVM_SIG_VALUE) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
			*bank = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
		/* Check bank 1 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
		ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset +
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
							bank1_offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
							&sig_byte);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) ==
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
		    E1000_ICH_NVM_SIG_VALUE) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
			*bank = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		e_dbg("ERROR: No valid NVM bank present\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
		return -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
 *  e1000_read_nvm_ich8lan - Read word(s) from the NVM
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
 *  @offset: The offset (in bytes) of the word(s) to read.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
 *  @words: Size of data to read in words
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
 *  @data: Pointer to the word(s) to read at offset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
 *  Reads a word(s) from the NVM using the flash access registers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
				  u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	struct e1000_nvm_info *nvm = &hw->nvm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	u32 act_offset;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	u32 bank = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	u16 i, word;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
	    (words == 0)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
		e_dbg("nvm parameter(s) out of bounds\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
		ret_val = -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	nvm->ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		e_dbg("Could not detect valid bank, assuming bank 0\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		bank = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	act_offset = (bank) ? nvm->flash_bank_size : 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	act_offset += offset;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	for (i = 0; i < words; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		if (dev_spec->shadow_ram[offset + i].modified) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
			data[i] = dev_spec->shadow_ram[offset + i].value;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
			ret_val = e1000_read_flash_word_ich8lan(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
								act_offset + i,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
								&word);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
				break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
			data[i] = word;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	nvm->ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		e_dbg("NVM read error: %d\n", ret_val);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
 *  e1000_flash_cycle_init_ich8lan - Initialize flash
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
 *  This function does initial flash setup so that a new read/write/erase cycle
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
 *  can be started.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	union ich8_hws_flash_status hsfsts;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
	s32 ret_val = -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	/* Check if the flash descriptor is valid */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	if (!hsfsts.hsf_status.fldesvalid) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		e_dbg("Flash descriptor invalid.  SW Sequencing must be used.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		return -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	/* Clear FCERR and DAEL in hw status by writing 1 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
	hsfsts.hsf_status.flcerr = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
	hsfsts.hsf_status.dael = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	/* Either we should have a hardware SPI cycle in progress
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	 * bit to check against, in order to start a new cycle or
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	 * FDONE bit should be changed in the hardware so that it
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
	 * is 1 after hardware reset, which can then be used as an
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	 * indication whether a cycle is in progress or has been
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	 * completed.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	if (!hsfsts.hsf_status.flcinprog) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
		/* There is no cycle running at present,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
		 * so we can start a cycle.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		 * Begin by setting Flash Cycle Done.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		hsfsts.hsf_status.flcdone = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
		ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
		s32 i;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		/* Otherwise poll for sometime so the current
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
		 * cycle has a chance to end before giving up.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
		for (i = 0; i < ICH_FLASH_READ_COMMAND_TIMEOUT; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
			hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
			if (!hsfsts.hsf_status.flcinprog) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
				ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
				break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
			}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
			udelay(1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
		if (!ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
			/* Successful in waiting for previous cycle to timeout,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
			 * now set the Flash Cycle Done.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
			hsfsts.hsf_status.flcdone = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
			ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
			e_dbg("Flash controller busy, cannot get access\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
 *  e1000_flash_cycle_ich8lan - Starts flash cycle (read/write/erase)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
 *  @timeout: maximum time to wait for completion
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
 *  This function starts a flash cycle and waits for its completion.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	union ich8_hws_flash_ctrl hsflctl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	union ich8_hws_flash_status hsfsts;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	u32 i = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	/* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	hsflctl.hsf_ctrl.flcgo = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	/* wait till FDONE bit is set to 1 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
	do {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
		hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
		if (hsfsts.hsf_status.flcdone)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
		udelay(1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	} while (i++ < timeout);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	if (hsfsts.hsf_status.flcdone && !hsfsts.hsf_status.flcerr)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	return -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
 *  e1000_read_flash_word_ich8lan - Read word from flash
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
 *  @offset: offset to data location
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
 *  @data: pointer to the location for storing the data
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
 *  Reads the flash word at offset into data.  Offset is converted
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
 *  to bytes before read.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
					 u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	/* Must convert offset into bytes. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	offset <<= 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	return e1000_read_flash_data_ich8lan(hw, offset, 2, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
 *  e1000_read_flash_byte_ich8lan - Read byte from flash
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
 *  @offset: The offset of the byte to read.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
 *  @data: Pointer to a byte to store the value read.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
 *  Reads a single byte from the NVM using the flash access registers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
					 u8 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	u16 word = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	ret_val = e1000_read_flash_data_ich8lan(hw, offset, 1, &word);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	*data = (u8)word;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
 *  e1000_read_flash_data_ich8lan - Read byte or word from NVM
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
 *  @offset: The offset (in bytes) of the byte or word to read.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
 *  @size: Size of data to read, 1=byte 2=word
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
 *  @data: Pointer to the word to store the value read.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
 *  Reads a byte or word from the NVM using the flash access registers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
					 u8 size, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	union ich8_hws_flash_status hsfsts;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	union ich8_hws_flash_ctrl hsflctl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	u32 flash_linear_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	u32 flash_data = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	s32 ret_val = -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	u8 count = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	if (size < 1 || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		return -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) +
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
			     hw->nvm.flash_base_addr);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	do {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
		udelay(1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		/* Steps */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
		ret_val = e1000_flash_cycle_init_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
		hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
		/* 0b/1b corresponds to 1 or 2 byte size, respectively. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
		hsflctl.hsf_ctrl.fldbcount = size - 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
		hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
		ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
		ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
		ret_val =
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
		    e1000_flash_cycle_ich8lan(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
					      ICH_FLASH_READ_COMMAND_TIMEOUT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
		/* Check if FCERR is set to 1, if set to 1, clear it
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
		 * and try the whole sequence a few more times, else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
		 * read in (shift in) the Flash Data0, the order is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
		 * least significant byte first msb to lsb
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
		if (!ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
			flash_data = er32flash(ICH_FLASH_FDATA0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
			if (size == 1)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
				*data = (u8)(flash_data & 0x000000FF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
			else if (size == 2)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
				*data = (u16)(flash_data & 0x0000FFFF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
			/* If we've gotten here, then things are probably
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
			 * completely hosed, but if the error condition is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
			 * detected, it won't hurt to give it another try...
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
			 * ICH_FLASH_CYCLE_REPEAT_COUNT times.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
			hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
			if (hsfsts.hsf_status.flcerr) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
				/* Repeat for some time before giving up. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
				continue;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
			} else if (!hsfsts.hsf_status.flcdone) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
				e_dbg("Timeout error - flash cycle did not complete.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
				break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
			}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	} while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
 *  e1000_write_nvm_ich8lan - Write word(s) to the NVM
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
 *  @offset: The offset (in bytes) of the word(s) to write.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
 *  @words: Size of data to write in words
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
 *  @data: Pointer to the word(s) to write at offset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
 *  Writes a byte or word to the NVM using the flash access registers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
				   u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	struct e1000_nvm_info *nvm = &hw->nvm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	u16 i;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	    (words == 0)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
		e_dbg("nvm parameter(s) out of bounds\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
		return -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	nvm->ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	for (i = 0; i < words; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
		dev_spec->shadow_ram[offset + i].modified = true;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
		dev_spec->shadow_ram[offset + i].value = data[i];
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	nvm->ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
 *  e1000_update_nvm_checksum_ich8lan - Update the checksum for NVM
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
 *  The NVM checksum is updated by calling the generic update_nvm_checksum,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
 *  which writes the checksum to the shadow ram.  The changes in the shadow
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
 *  ram are then committed to the EEPROM by processing each bank at a time
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
 *  checking for the modified bit and writing only the pending changes.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
 *  After a successful commit, the shadow ram is cleared and is ready for
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
 *  future writes.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	struct e1000_nvm_info *nvm = &hw->nvm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	u32 i, act_offset, new_bank_offset, old_bank_offset, bank;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	ret_val = e1000e_update_nvm_checksum_generic(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	if (nvm->type != e1000_nvm_flash_sw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
		goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	nvm->ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	/* We're writing to the opposite bank so if we're on bank 1,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	 * write to bank 0 etc.  We also need to erase the segment that
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	 * is going to be written
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
		e_dbg("Could not detect valid bank, assuming bank 0\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
		bank = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	if (bank == 0) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
		new_bank_offset = nvm->flash_bank_size;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
		old_bank_offset = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
		ret_val = e1000_erase_flash_bank_ich8lan(hw, 1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		old_bank_offset = nvm->flash_bank_size;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		new_bank_offset = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
		ret_val = e1000_erase_flash_bank_ich8lan(hw, 0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
		/* Determine whether to write the value stored
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
		 * in the other NVM bank or a modified value stored
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
		 * in the shadow RAM
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
		if (dev_spec->shadow_ram[i].modified) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
			data = dev_spec->shadow_ram[i].value;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
		} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
			ret_val = e1000_read_flash_word_ich8lan(hw, i +
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
								old_bank_offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
								&data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
				break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
		/* If the word is 0x13, then make sure the signature bits
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		 * (15:14) are 11b until the commit has completed.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		 * This will allow us to write 10b which indicates the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		 * signature is valid.  We want to do this after the write
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		 * has completed so that we don't mark the segment valid
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
		 * while the write is still in progress
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
		if (i == E1000_ICH_NVM_SIG_WORD)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
			data |= E1000_ICH_NVM_SIG_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
		/* Convert offset to bytes. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
		act_offset = (i + new_bank_offset) << 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		usleep_range(100, 200);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
		/* Write the bytes to the new bank. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
		ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
							       act_offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
							       (u8)data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
		usleep_range(100, 200);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
		ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
							       act_offset + 1,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
							       (u8)(data >> 8));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	/* Don't bother writing the segment valid bits if sector
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	 * programming failed.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
		/* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
		e_dbg("Flash commit failed.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	/* Finally validate the new segment by setting bit 15:14
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	 * to 10b in word 0x13 , this can be done without an
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	 * erase as well since these bits are 11 to start with
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	 * and we need to change bit 14 to 0b
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	data &= 0xBFFF;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
						       act_offset * 2 + 1,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
						       (u8)(data >> 8));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	/* And invalidate the previously valid segment by setting
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	 * its signature word (0x13) high_byte to 0b. This can be
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	 * done without an erase because flash erase sets all bits
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	 * to 1's. We can write 1's to 0's without an erase
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
		goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	/* Great!  Everything worked, we can now clear the cached entries. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
		dev_spec->shadow_ram[i].modified = false;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
		dev_spec->shadow_ram[i].value = 0xFFFF;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	nvm->ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	/* Reload the EEPROM, or else modifications will not appear
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	 * until after the next adapter reset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	if (!ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
		nvm->ops.reload(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
		usleep_range(10000, 20000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
		e_dbg("NVM update error: %d\n", ret_val);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
 *  e1000_validate_nvm_checksum_ich8lan - Validate EEPROM checksum
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
 *  Check to see if checksum needs to be fixed by reading bit 6 in word 0x19.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
 *  If the bit is 0, that the EEPROM had been modified, but the checksum was not
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
 *  calculated, in which case we need to calculate the checksum and set bit 6.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
	u16 word;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	u16 valid_csum_mask;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	/* Read NVM and check Invalid Image CSUM bit.  If this bit is 0,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	 * the checksum needs to be fixed.  This bit is an indication that
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	 * the NVM was prepared by OEM software and did not calculate
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	 * the checksum...a likely scenario.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	switch (hw->mac.type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	case e1000_pch_lpt:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
		word = NVM_COMPAT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
		valid_csum_mask = NVM_COMPAT_VALID_CSUM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
		word = NVM_FUTURE_INIT_WORD1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
		valid_csum_mask = NVM_FUTURE_INIT_WORD1_VALID_CSUM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	ret_val = e1000_read_nvm(hw, word, 1, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	if (!(data & valid_csum_mask)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
		data |= valid_csum_mask;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
		ret_val = e1000_write_nvm(hw, word, 1, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		ret_val = e1000e_update_nvm_checksum(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	return e1000e_validate_nvm_checksum_generic(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
 *  e1000e_write_protect_nvm_ich8lan - Make the NVM read-only
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
 *  To prevent malicious write/erase of the NVM, set it to be read-only
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
 *  so that the hardware ignores all write/erase cycles of the NVM via
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
 *  the flash control registers.  The shadow-ram copy of the NVM will
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
 *  still be updated, however any updates to this copy will not stick
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
 *  across driver reloads.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	struct e1000_nvm_info *nvm = &hw->nvm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	union ich8_flash_protected_range pr0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	union ich8_hws_flash_status hsfsts;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	u32 gfpreg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	nvm->ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	gfpreg = er32flash(ICH_FLASH_GFPREG);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	/* Write-protect GbE Sector of NVM */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	pr0.regval = er32flash(ICH_FLASH_PR0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	pr0.range.base = gfpreg & FLASH_GFPREG_BASE_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	pr0.range.limit = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	pr0.range.wpe = true;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	ew32flash(ICH_FLASH_PR0, pr0.regval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	/* Lock down a subset of GbE Flash Control Registers, e.g.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	 * PR0 to prevent the write-protection from being lifted.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	 * Once FLOCKDN is set, the registers protected by it cannot
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
	 * be written until FLOCKDN is cleared by a hardware reset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
	hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	hsfsts.hsf_status.flockdn = true;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	nvm->ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
 *  e1000_write_flash_data_ich8lan - Writes bytes to the NVM
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
 *  @offset: The offset (in bytes) of the byte/word to read.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
 *  @size: Size of data to read, 1=byte 2=word
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
 *  @data: The byte(s) to write to the NVM.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
 *  Writes one/two bytes to the NVM using the flash access registers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
					  u8 size, u16 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
	union ich8_hws_flash_status hsfsts;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	union ich8_hws_flash_ctrl hsflctl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	u32 flash_linear_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
	u32 flash_data = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
	u8 count = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	if (size < 1 || size > 2 || data > size * 0xff ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
	    offset > ICH_FLASH_LINEAR_ADDR_MASK)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
		return -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) +
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
			     hw->nvm.flash_base_addr);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	do {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
		udelay(1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
		/* Steps */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
		ret_val = e1000_flash_cycle_init_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
		hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
		/* 0b/1b corresponds to 1 or 2 byte size, respectively. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		hsflctl.hsf_ctrl.fldbcount = size - 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
		hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
		ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
		ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		if (size == 1)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
			flash_data = (u32)data & 0x00FF;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
			flash_data = (u32)data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		ew32flash(ICH_FLASH_FDATA0, flash_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
		/* check if FCERR is set to 1 , if set to 1, clear it
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
		 * and try the whole sequence a few more times else done
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
		ret_val =
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
		    e1000_flash_cycle_ich8lan(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
					      ICH_FLASH_WRITE_COMMAND_TIMEOUT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
		if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		/* If we're here, then things are most likely
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
		 * completely hosed, but if the error condition
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
		 * is detected, it won't hurt to give it another
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
		 * try...ICH_FLASH_CYCLE_REPEAT_COUNT times.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
		hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
		if (hsfsts.hsf_status.flcerr)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
			/* Repeat for some time before giving up. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
			continue;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
		if (!hsfsts.hsf_status.flcdone) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
			e_dbg("Timeout error - flash cycle did not complete.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	} while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
 *  e1000_write_flash_byte_ich8lan - Write a single byte to NVM
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
 *  @offset: The index of the byte to read.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
 *  @data: The byte to write to the NVM.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
 *  Writes a single byte to the NVM using the flash access registers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
static s32 e1000_write_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
					  u8 data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
	u16 word = (u16)data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	return e1000_write_flash_data_ich8lan(hw, offset, 1, word);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
 *  e1000_retry_write_flash_byte_ich8lan - Writes a single byte to NVM
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
 *  @offset: The offset of the byte to write.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
 *  @byte: The byte to write to the NVM.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
 *  Writes a single byte to the NVM using the flash access registers.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
 *  Goes through a retry algorithm before giving up.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
						u32 offset, u8 byte)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	u16 program_retries;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	for (program_retries = 0; program_retries < 100; program_retries++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
		e_dbg("Retrying Byte %2.2X at offset %u\n", byte, offset);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
		usleep_range(100, 200);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
		ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
		if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	if (program_retries == 100)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
		return -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
 *  e1000_erase_flash_bank_ich8lan - Erase a bank (4k) from NVM
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
 *  @bank: 0 for first bank, 1 for second bank, etc.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
 *  Erases the bank specified. Each bank is a 4k block. Banks are 0 based.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
 *  bank N is 4096 * N + flash_reg_addr.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
	struct e1000_nvm_info *nvm = &hw->nvm;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	union ich8_hws_flash_status hsfsts;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	union ich8_hws_flash_ctrl hsflctl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	u32 flash_linear_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	/* bank size is in 16bit words - adjust to bytes */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
	u32 flash_bank_size = nvm->flash_bank_size * 2;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	s32 count = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
	s32 j, iteration, sector_size;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	/* Determine HW Sector size: Read BERASE bits of hw flash status
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	 * register
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
	 * 00: The Hw sector is 256 bytes, hence we need to erase 16
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
	 *     consecutive sectors.  The start index for the nth Hw sector
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	 *     can be calculated as = bank * 4096 + n * 256
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
	 * 01: The Hw sector is 4K bytes, hence we need to erase 1 sector.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	 *     The start index for the nth Hw sector can be calculated
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	 *     as = bank * 4096
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	 * 10: The Hw sector is 8K bytes, nth sector = bank * 8192
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	 *     (ich9 only, otherwise error condition)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	 * 11: The Hw sector is 64K bytes, nth sector = bank * 65536
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
	switch (hsfsts.hsf_status.berasesz) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	case 0:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
		/* Hw sector size 256 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
		sector_size = ICH_FLASH_SEG_SIZE_256;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
		iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_256;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	case 1:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
		sector_size = ICH_FLASH_SEG_SIZE_4K;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
		iteration = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	case 2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
		sector_size = ICH_FLASH_SEG_SIZE_8K;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
		iteration = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	case 3:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
		sector_size = ICH_FLASH_SEG_SIZE_64K;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
		iteration = 1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
		return -E1000_ERR_NVM;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	/* Start with the base address, then add the sector offset. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	flash_linear_addr = hw->nvm.flash_base_addr;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
	flash_linear_addr += (bank) ? flash_bank_size : 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	for (j = 0; j < iteration; j++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
		do {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
			u32 timeout = ICH_FLASH_ERASE_COMMAND_TIMEOUT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
			/* Steps */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
			ret_val = e1000_flash_cycle_init_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
			/* Write a value 11 (block Erase) in Flash
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
			 * Cycle field in hw flash control
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
			hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
			hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
			ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
			/* Write the last 24 bits of an index within the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
			 * block into Flash Linear address field in Flash
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
			 * Address.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
			flash_linear_addr += (j * sector_size);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
			ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
			ret_val = e1000_flash_cycle_ich8lan(hw, timeout);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
			if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
				break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
			/* Check if FCERR is set to 1.  If 1,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
			 * clear it and try the whole sequence
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
			 * a few more times else Done
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
			hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
			if (hsfsts.hsf_status.flcerr)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
				/* repeat for some time before giving up */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
				continue;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
			else if (!hsfsts.hsf_status.flcdone)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
				return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
		} while (++count < ICH_FLASH_CYCLE_REPEAT_COUNT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
 *  e1000_valid_led_default_ich8lan - Set the default LED settings
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
 *  @data: Pointer to the LED settings
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
 *  Reads the LED default settings from the NVM to data.  If the NVM LED
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
 *  settings is all 0's or F's, set the LED default to a valid LED default
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
 *  setting.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		e_dbg("NVM Read Error\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
	if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
		*data = ID_LED_DEFAULT_ICH8LAN;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
 *  e1000_id_led_init_pchlan - store LED configurations
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
 *  PCH does not control LEDs via the LEDCTL register, rather it uses
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
 *  the PHY LED configuration register.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
 *  PCH also does not have an "always on" or "always off" mode which
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
 *  complicates the ID feature.  Instead of using the "on" mode to indicate
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
 *  in ledctl_mode2 the LEDs to use for ID (see e1000e_id_led_init_generic()),
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
 *  use "link_up" mode.  The LEDs will still ID on request if there is no
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
 *  link based on logic in e1000_led_[on|off]_pchlan().
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	struct e1000_mac_info *mac = &hw->mac;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	const u32 ledctl_on = E1000_LEDCTL_MODE_LINK_UP;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	const u32 ledctl_off = E1000_LEDCTL_MODE_LINK_UP | E1000_PHY_LED0_IVRT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	u16 data, i, temp, shift;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	/* Get default ID LED modes */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
	ret_val = hw->nvm.ops.valid_led_default(hw, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	mac->ledctl_default = er32(LEDCTL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
	mac->ledctl_mode1 = mac->ledctl_default;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	mac->ledctl_mode2 = mac->ledctl_default;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
	for (i = 0; i < 4; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
		temp = (data >> (i << 2)) & E1000_LEDCTL_LED0_MODE_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
		shift = (i * 5);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		switch (temp) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
		case ID_LED_ON1_DEF2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		case ID_LED_ON1_ON2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
		case ID_LED_ON1_OFF2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
			mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
			mac->ledctl_mode1 |= (ledctl_on << shift);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
		case ID_LED_OFF1_DEF2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
		case ID_LED_OFF1_ON2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
		case ID_LED_OFF1_OFF2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
			mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
			mac->ledctl_mode1 |= (ledctl_off << shift);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
		default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
			/* Do nothing */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
		switch (temp) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
		case ID_LED_DEF1_ON2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
		case ID_LED_ON1_ON2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
		case ID_LED_OFF1_ON2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
			mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
			mac->ledctl_mode2 |= (ledctl_on << shift);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
		case ID_LED_DEF1_OFF2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		case ID_LED_ON1_OFF2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
		case ID_LED_OFF1_OFF2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
			mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
			mac->ledctl_mode2 |= (ledctl_off << shift);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
			/* Do nothing */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
 *  e1000_get_bus_info_ich8lan - Get/Set the bus type and width
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
 *  ICH8 use the PCI Express bus, but does not contain a PCI Express Capability
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
 *  register, so the the bus width is hard coded.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	struct e1000_bus_info *bus = &hw->bus;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	ret_val = e1000e_get_bus_info_pcie(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
	/* ICH devices are "PCI Express"-ish.  They have
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
	 * a configuration space, but do not contain
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	 * PCI Express Capability registers, so bus width
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	 * must be hardcoded.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
	if (bus->width == e1000_bus_width_unknown)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		bus->width = e1000_bus_width_pcie_x1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
 *  e1000_reset_hw_ich8lan - Reset the hardware
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
 *  Does a full reset of the hardware which includes a reset of the PHY and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
 *  MAC.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	u16 kum_cfg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	u32 ctrl, reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
	/* Prevent the PCI-E bus from sticking if there is no TLP connection
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	 * on the last TLP read/write transaction when MAC is reset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
	ret_val = e1000e_disable_pcie_master(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
		e_dbg("PCI-E Master disable polling has failed.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
	e_dbg("Masking off all interrupts\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	ew32(IMC, 0xffffffff);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
	/* Disable the Transmit and Receive units.  Then delay to allow
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
	 * any pending transactions to complete before we hit the MAC
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	 * with the global reset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	ew32(RCTL, 0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	ew32(TCTL, E1000_TCTL_PSP);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	e1e_flush();
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	usleep_range(10000, 20000);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	/* Workaround for ICH8 bit corruption issue in FIFO memory */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	if (hw->mac.type == e1000_ich8lan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
		/* Set Tx and Rx buffer allocation to 8k apiece. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
		ew32(PBA, E1000_PBA_8K);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
		/* Set Packet Buffer Size to 16k. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
		ew32(PBS, E1000_PBS_16K);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
	if (hw->mac.type == e1000_pchlan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
		/* Save the NVM K1 bit setting */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
		ret_val = e1000_read_nvm(hw, E1000_NVM_K1_CONFIG, 1, &kum_cfg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
		if (kum_cfg & E1000_NVM_K1_ENABLE)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
			dev_spec->nvm_k1_enabled = true;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
		else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
			dev_spec->nvm_k1_enabled = false;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
	ctrl = er32(CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
	if (!hw->phy.ops.check_reset_block(hw)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		/* Full-chip reset requires MAC and PHY reset at the same
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
		 * time to make sure the interface between MAC and the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
		 * external PHY is reset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
		ctrl |= E1000_CTRL_PHY_RST;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
		/* Gate automatic PHY configuration by hardware on
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		 * non-managed 82579
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		if ((hw->mac.type == e1000_pch2lan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
		    !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
			e1000_gate_hw_phy_config_ich8lan(hw, true);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	ret_val = e1000_acquire_swflag_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	e_dbg("Issuing a global reset to ich8lan\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
	ew32(CTRL, (ctrl | E1000_CTRL_RST));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	/* cannot issue a flush here because it hangs the hardware */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	msleep(20);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	/* Set Phy Config Counter to 50msec */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
	if (hw->mac.type == e1000_pch2lan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		reg = er32(FEXTNVM3);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		reg &= ~E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		reg |= E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		ew32(FEXTNVM3, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
	if (!ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
		clear_bit(__E1000_ACCESS_SHARED_RESOURCE, &hw->adapter->state);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
	if (ctrl & E1000_CTRL_PHY_RST) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
		ret_val = hw->phy.ops.get_cfg_done(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
		ret_val = e1000_post_phy_reset_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
	/* For PCH, this write will make sure that any noise
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	 * will be detected as a CRC error and be dropped rather than show up
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
	 * as a bad packet to the DMA engine.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	if (hw->mac.type == e1000_pchlan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
		ew32(CRC_OFFSET, 0x65656565);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	ew32(IMC, 0xffffffff);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
	er32(ICR);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	reg = er32(KABGTXD);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
	reg |= E1000_KABGTXD_BGSQLBIAS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	ew32(KABGTXD, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
 *  e1000_init_hw_ich8lan - Initialize the hardware
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
 *  Prepares the hardware for transmit and receive by doing the following:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
 *   - initialize hardware bits
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
 *   - initialize LED identification
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
 *   - setup receive address registers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
 *   - setup flow control
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
 *   - setup transmit descriptors
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
 *   - clear statistics
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	struct e1000_mac_info *mac = &hw->mac;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
	u32 ctrl_ext, txdctl, snoop;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
	u16 i;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
	e1000_initialize_hw_bits_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	/* Initialize identification LED */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
	ret_val = mac->ops.id_led_init(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	/* An error is not fatal and we should not stop init due to this */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
		e_dbg("Error initializing identification LED\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	/* Setup the receive address. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
	e1000e_init_rx_addrs(hw, mac->rar_entry_count);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	/* Zero out the Multicast HASH table */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
	e_dbg("Zeroing the MTA\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
	for (i = 0; i < mac->mta_reg_count; i++)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	/* The 82578 Rx buffer will stall if wakeup is enabled in host and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	 * the ME.  Disable wakeup by clearing the host wakeup bit.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	 * Reset the phy after disabling host wakeup to reset the Rx buffer.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
	if (hw->phy.type == e1000_phy_82578) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
		e1e_rphy(hw, BM_PORT_GEN_CFG, &i);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
		i &= ~BM_WUC_HOST_WU_BIT;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
		e1e_wphy(hw, BM_PORT_GEN_CFG, i);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
		ret_val = e1000_phy_hw_reset_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
	/* Setup link and flow control */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
	ret_val = mac->ops.setup_link(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	/* Set the transmit descriptor write-back policy for both queues */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
	txdctl = er32(TXDCTL(0));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
	txdctl = ((txdctl & ~E1000_TXDCTL_WTHRESH) |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
		  E1000_TXDCTL_FULL_TX_DESC_WB);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
	txdctl = ((txdctl & ~E1000_TXDCTL_PTHRESH) |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
		  E1000_TXDCTL_MAX_TX_DESC_PREFETCH);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
	ew32(TXDCTL(0), txdctl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	txdctl = er32(TXDCTL(1));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	txdctl = ((txdctl & ~E1000_TXDCTL_WTHRESH) |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
		  E1000_TXDCTL_FULL_TX_DESC_WB);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	txdctl = ((txdctl & ~E1000_TXDCTL_PTHRESH) |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
		  E1000_TXDCTL_MAX_TX_DESC_PREFETCH);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	ew32(TXDCTL(1), txdctl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	/* ICH8 has opposite polarity of no_snoop bits.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	 * By default, we should use snoop behavior.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	if (mac->type == e1000_ich8lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		snoop = PCIE_ICH8_SNOOP_ALL;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
		snoop = (u32)~(PCIE_NO_SNOOP_ALL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	e1000e_set_pcie_no_snoop(hw, snoop);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
	ctrl_ext = er32(CTRL_EXT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	ew32(CTRL_EXT, ctrl_ext);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	/* Clear all of the statistics registers (clear on read).  It is
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	 * important that we do this after we have tried to establish link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
	 * because the symbol error count will increment wildly if there
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
	 * is no link.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	e1000_clear_hw_cntrs_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
 *  e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
 *  Sets/Clears required hardware bits necessary for correctly setting up the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
 *  hardware for transmit and receive.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	u32 reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	/* Extended Device Control */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	reg = er32(CTRL_EXT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	reg |= (1 << 22);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	/* Enable PHY low-power state when MAC is at D3 w/o WoL */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	if (hw->mac.type >= e1000_pchlan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
		reg |= E1000_CTRL_EXT_PHYPDEN;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	ew32(CTRL_EXT, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	/* Transmit Descriptor Control 0 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	reg = er32(TXDCTL(0));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	reg |= (1 << 22);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
	ew32(TXDCTL(0), reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	/* Transmit Descriptor Control 1 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	reg = er32(TXDCTL(1));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
	reg |= (1 << 22);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	ew32(TXDCTL(1), reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	/* Transmit Arbitration Control 0 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	reg = er32(TARC(0));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
	if (hw->mac.type == e1000_ich8lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
		reg |= (1 << 28) | (1 << 29);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
	reg |= (1 << 23) | (1 << 24) | (1 << 26) | (1 << 27);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
	ew32(TARC(0), reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
	/* Transmit Arbitration Control 1 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
	reg = er32(TARC(1));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
	if (er32(TCTL) & E1000_TCTL_MULR)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
		reg &= ~(1 << 28);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
	else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
		reg |= (1 << 28);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
	reg |= (1 << 24) | (1 << 26) | (1 << 30);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
	ew32(TARC(1), reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	/* Device Status */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
	if (hw->mac.type == e1000_ich8lan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		reg = er32(STATUS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		reg &= ~(1 << 31);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		ew32(STATUS, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
	/* work-around descriptor data corruption issue during nfs v2 udp
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
	 * traffic, just disable the nfs filtering capability
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
	reg = er32(RFCTL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
	reg |= (E1000_RFCTL_NFSW_DIS | E1000_RFCTL_NFSR_DIS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
	/* Disable IPv6 extension header parsing because some malformed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
	 * IPv6 headers can hang the Rx.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	if (hw->mac.type == e1000_ich8lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
		reg |= (E1000_RFCTL_IPV6_EX_DIS | E1000_RFCTL_NEW_IPV6_EXT_DIS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	ew32(RFCTL, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	/* Enable ECC on Lynxpoint */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	if (hw->mac.type == e1000_pch_lpt) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
		reg = er32(PBECCSTS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
		reg |= E1000_PBECCSTS_ECC_ENABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
		ew32(PBECCSTS, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		reg = er32(CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
		reg |= E1000_CTRL_MEHE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		ew32(CTRL, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
 *  e1000_setup_link_ich8lan - Setup flow control and link settings
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
 *  Determines which flow control settings to use, then configures flow
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
 *  control.  Calls the appropriate media-specific link configuration
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
 *  function.  Assuming the adapter has a valid link partner, a valid link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
 *  should be established.  Assumes the hardware has previously been reset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
 *  and the transmitter and receiver are not enabled.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	if (hw->phy.ops.check_reset_block(hw))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	/* ICH parts do not have a word in the NVM to determine
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	 * the default flow control setting, so we explicitly
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	 * set it to full.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	if (hw->fc.requested_mode == e1000_fc_default) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
		/* Workaround h/w hang when Tx flow control enabled */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
		if (hw->mac.type == e1000_pchlan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
			hw->fc.requested_mode = e1000_fc_rx_pause;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
		else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
			hw->fc.requested_mode = e1000_fc_full;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
	/* Save off the requested flow control mode for use later.  Depending
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	 * on the link partner's capabilities, we may or may not use this mode.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
	hw->fc.current_mode = hw->fc.requested_mode;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
	e_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.current_mode);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
	/* Continue to configure the copper link. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	ret_val = hw->mac.ops.setup_physical_interface(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
	ew32(FCTTV, hw->fc.pause_time);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	if ((hw->phy.type == e1000_phy_82578) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	    (hw->phy.type == e1000_phy_82579) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	    (hw->phy.type == e1000_phy_i217) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
	    (hw->phy.type == e1000_phy_82577)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
		ew32(FCRTV_PCH, hw->fc.refresh_time);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
		ret_val = e1e_wphy(hw, PHY_REG(BM_PORT_CTRL_PAGE, 27),
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
				   hw->fc.pause_time);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
	return e1000e_set_fc_watermarks(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
 *  e1000_setup_copper_link_ich8lan - Configure MAC/PHY interface
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
 *  Configures the kumeran interface to the PHY to wait the appropriate time
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
 *  when polling the PHY, then call the generic setup_copper_link to finish
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
 *  configuring the copper link.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
	u32 ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
	u16 reg_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
	ctrl = er32(CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
	ctrl |= E1000_CTRL_SLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
	ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
	ew32(CTRL, ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
	/* Set the mac to wait the maximum time between each iteration
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	 * and increase the max iterations when polling the phy;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
	 * this fixes erroneous timeouts at 10Mbps.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
	ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_TIMEOUTS, 0xFFFF);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
	ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
				       &reg_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
	reg_data |= 0x3F;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
					reg_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
	switch (hw->phy.type) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	case e1000_phy_igp_3:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		ret_val = e1000e_copper_link_setup_igp(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
	case e1000_phy_bm:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
	case e1000_phy_82578:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		ret_val = e1000e_copper_link_setup_m88(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
	case e1000_phy_82577:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
	case e1000_phy_82579:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
		ret_val = e1000_copper_link_setup_82577(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
	case e1000_phy_ife:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
		ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &reg_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
		reg_data &= ~IFE_PMC_AUTO_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
		switch (hw->phy.mdix) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
		case 1:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
			reg_data &= ~IFE_PMC_FORCE_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
		case 2:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
			reg_data |= IFE_PMC_FORCE_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
		case 0:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
			reg_data |= IFE_PMC_AUTO_MDIX;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
		ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, reg_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
	default:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
		break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	return e1000e_setup_copper_link(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
 *  e1000_setup_copper_link_pch_lpt - Configure MAC/PHY interface
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
 *  Calls the PHY specific link setup function and then calls the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
 *  generic setup_copper_link to finish configuring the link for
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
 *  Lynxpoint PCH devices
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
static s32 e1000_setup_copper_link_pch_lpt(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
	u32 ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
	ctrl = er32(CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	ctrl |= E1000_CTRL_SLU;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
	ew32(CTRL, ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
	ret_val = e1000_copper_link_setup_82577(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
	return e1000e_setup_copper_link(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
 *  e1000_get_link_up_info_ich8lan - Get current link speed and duplex
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
 *  @speed: pointer to store current link speed
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
 *  @duplex: pointer to store the current link duplex
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
 *  Calls the generic get_speed_and_duplex to retrieve the current link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
 *  information and then calls the Kumeran lock loss workaround for links at
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
 *  gigabit speeds.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
					  u16 *duplex)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
	ret_val = e1000e_get_speed_and_duplex_copper(hw, speed, duplex);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
		return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
	if ((hw->mac.type == e1000_ich8lan) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
	    (hw->phy.type == e1000_phy_igp_3) && (*speed == SPEED_1000)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
		ret_val = e1000_kmrn_lock_loss_workaround_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
 *  e1000_kmrn_lock_loss_workaround_ich8lan - Kumeran workaround
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
 *  Work-around for 82566 Kumeran PCS lock loss:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
 *  On link status change (i.e. PCI reset, speed change) and link is up and
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
 *  speed is gigabit-
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
 *    0) if workaround is optionally disabled do nothing
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
 *    1) wait 1ms for Kumeran link to come up
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
 *    2) check Kumeran Diagnostic register PCS lock loss bit
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
 *    3) if not set the link is locked (all is good), otherwise...
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
 *    4) reset the PHY
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
 *    5) repeat up to 10 times
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
 *  Note: this is only called for IGP3 copper when speed is 1gb.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	u32 phy_ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	u16 i, data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
	bool link;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
	if (!dev_spec->kmrn_lock_loss_workaround_enabled)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
	/* Make sure link is up before proceeding.  If not just return.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
	 * Attempting this while link is negotiating fouled up link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	 * stability
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	if (!link)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
		return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
	for (i = 0; i < 10; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
		/* read once to clear */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
		ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
		/* and again to get new status */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
			return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		/* check for PCS lock */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		if (!(data & IGP3_KMRN_DIAG_PCS_LOCK_LOSS))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
			return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		/* Issue PHY reset */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
		e1000_phy_hw_reset(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		mdelay(5);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
	/* Disable GigE link negotiation */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
	phy_ctrl = er32(PHY_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
	phy_ctrl |= (E1000_PHY_CTRL_GBE_DISABLE |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
		     E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
	ew32(PHY_CTRL, phy_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	/* Call gig speed drop workaround on Gig disable before accessing
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	 * any PHY registers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
	e1000e_gig_downshift_workaround_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
	/* unable to acquire PCS lock */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
	return -E1000_ERR_PHY;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
 *  e1000e_set_kmrn_lock_loss_workaround_ich8lan - Set Kumeran workaround state
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
 *  @state: boolean value used to set the current Kumeran workaround state
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
 *  If ICH8, set the current Kumeran workaround state (enabled - true
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
 *  /disabled - false).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
						  bool state)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	if (hw->mac.type != e1000_ich8lan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
		e_dbg("Workaround applies to ICH8 only.\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
		return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
	dev_spec->kmrn_lock_loss_workaround_enabled = state;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
 *  e1000_ipg3_phy_powerdown_workaround_ich8lan - Power down workaround on D3
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
 *  Workaround for 82566 power-down on D3 entry:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
 *    1) disable gigabit link
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
 *    2) write VR power-down enable
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
 *    3) read it back
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
 *  Continue if successful, else issue LCD reset and repeat
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
	u32 reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
	u16 data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	u8 retry = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
	if (hw->phy.type != e1000_phy_igp_3)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	/* Try the workaround twice (if needed) */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	do {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
		/* Disable link */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
		reg = er32(PHY_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
		reg |= (E1000_PHY_CTRL_GBE_DISABLE |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
			E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
		ew32(PHY_CTRL, reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
		/* Call gig speed drop workaround on Gig disable before
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
		 * accessing any PHY registers
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
		if (hw->mac.type == e1000_ich8lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
			e1000e_gig_downshift_workaround_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
		/* Write VR power-down enable */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
		e1e_rphy(hw, IGP3_VR_CTRL, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
		data &= ~IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
		e1e_wphy(hw, IGP3_VR_CTRL, data | IGP3_VR_CTRL_MODE_SHUTDOWN);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
		/* Read it back and test */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
		e1e_rphy(hw, IGP3_VR_CTRL, &data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
		data &= IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		if ((data == IGP3_VR_CTRL_MODE_SHUTDOWN) || retry)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
			break;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		/* Issue PHY reset and repeat at most one more time */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		reg = er32(CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
		ew32(CTRL, reg | E1000_CTRL_PHY_RST);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
		retry++;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	} while (retry);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
 *  e1000e_gig_downshift_workaround_ich8lan - WoL from S5 stops working
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
 *  Steps to take when dropping from 1Gb/s (eg. link cable removal (LSC),
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
 *  LPLU, Gig disable, MDIC PHY reset):
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
 *    1) Set Kumeran Near-end loopback
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
 *    2) Clear Kumeran Near-end loopback
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
 *  Should only be called for ICH8[m] devices with any 1G Phy.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	u16 reg_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
	if ((hw->mac.type != e1000_ich8lan) || (hw->phy.type == e1000_phy_ife))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
		return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
				       &reg_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	reg_data |= E1000_KMRNCTRLSTA_DIAG_NELPBK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
					reg_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
	if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
		return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
	reg_data &= ~E1000_KMRNCTRLSTA_DIAG_NELPBK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
	e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET, reg_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
 *  e1000_suspend_workarounds_ich8lan - workarounds needed during S0->Sx
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
 *  During S0 to Sx transition, it is possible the link remains at gig
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
 *  instead of negotiating to a lower speed.  Before going to Sx, set
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
 *  'Gig Disable' to force link speed negotiation to a lower speed based on
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
 *  the LPLU setting in the NVM or custom setting.  For PCH and newer parts,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
 *  the OEM bits PHY register (LED, GbE disable and LPLU configurations) also
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
 *  needs to be written.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
 *  Parts that support (and are linked to a partner which support) EEE in
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
 *  100Mbps should disable LPLU since 100Mbps w/ EEE requires less power
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
 *  than 10Mbps w/o EEE.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	u32 phy_ctrl;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	phy_ctrl = er32(PHY_CTRL);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	phy_ctrl |= E1000_PHY_CTRL_GBE_DISABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	if (hw->phy.type == e1000_phy_i217) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
		u16 phy_reg, device_id = hw->adapter->pdev->device;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
		if ((device_id == E1000_DEV_ID_PCH_LPTLP_I218_LM) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
		    (device_id == E1000_DEV_ID_PCH_LPTLP_I218_V) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
		    (device_id == E1000_DEV_ID_PCH_I218_LM3) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
		    (device_id == E1000_DEV_ID_PCH_I218_V3)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
			u32 fextnvm6 = er32(FEXTNVM6);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
			ew32(FEXTNVM6, fextnvm6 & ~E1000_FEXTNVM6_REQ_PLL_CLK);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
			goto out;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
		if (!dev_spec->eee_disable) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
			u16 eee_advert;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
			ret_val =
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
			    e1000_read_emi_reg_locked(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
						      I217_EEE_ADVERTISEMENT,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
						      &eee_advert);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
				goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
			/* Disable LPLU if both link partners support 100BaseT
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
			 * EEE and 100Full is advertised on both ends of the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
			 * link.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
			if ((eee_advert & I82579_EEE_100_SUPPORTED) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
			    (dev_spec->eee_lp_ability &
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
			     I82579_EEE_100_SUPPORTED) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
			    (hw->phy.autoneg_advertised & ADVERTISE_100_FULL))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
				phy_ctrl &= ~(E1000_PHY_CTRL_D0A_LPLU |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
					      E1000_PHY_CTRL_NOND0A_LPLU);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		/* For i217 Intel Rapid Start Technology support,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		 * when the system is going into Sx and no manageability engine
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
		 * is present, the driver must configure proxy to reset only on
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
		 * power good.  LPI (Low Power Idle) state must also reset only
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		 * on power good, as well as the MTA (Multicast table array).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
		 * The SMBus release must also be disabled on LCD reset.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
		if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
			/* Enable proxy to reset only on power good. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
			e1e_rphy_locked(hw, I217_PROXY_CTRL, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
			phy_reg |= I217_PROXY_CTRL_AUTO_DISABLE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
			e1e_wphy_locked(hw, I217_PROXY_CTRL, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
			/* Set bit enable LPI (EEE) to reset only on
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
			 * power good.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
			e1e_rphy_locked(hw, I217_SxCTRL, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
			phy_reg |= I217_SxCTRL_ENABLE_LPI_RESET;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
			e1e_wphy_locked(hw, I217_SxCTRL, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
			/* Disable the SMB release on LCD reset. */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
			e1e_rphy_locked(hw, I217_MEMPWR, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
			phy_reg &= ~I217_MEMPWR_DISABLE_SMB_RELEASE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
			e1e_wphy_locked(hw, I217_MEMPWR, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
		/* Enable MTA to reset for Intel Rapid Start Technology
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
		 * Support
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
		 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
		e1e_rphy_locked(hw, I217_CGFREG, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
		phy_reg |= I217_CGFREG_ENABLE_MTA_RESET;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
		e1e_wphy_locked(hw, I217_CGFREG, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
out:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	ew32(PHY_CTRL, phy_ctrl);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	if (hw->mac.type == e1000_ich8lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		e1000e_gig_downshift_workaround_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	if (hw->mac.type >= e1000_pchlan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
		e1000_oem_bits_config_ich8lan(hw, false);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
		/* Reset PHY to activate OEM bits on 82577/8 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
		if (hw->mac.type == e1000_pchlan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
			e1000e_phy_hw_reset_generic(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
			return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		e1000_write_smbus_addr(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
 *  e1000_resume_workarounds_pchlan - workarounds needed during Sx->S0
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
 *  During Sx to S0 transitions on non-managed devices or managed devices
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
 *  on which PHY resets are not blocked, if the PHY registers cannot be
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
 *  accessed properly by the s/w toggle the LANPHYPC value to power cycle
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
 *  the PHY.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
 *  On i217, setup Intel Rapid Start Technology.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
void e1000_resume_workarounds_pchlan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	if (hw->mac.type < e1000_pch2lan)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
		return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
	ret_val = e1000_init_phy_workarounds_pchlan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		e_dbg("Failed to init PHY flow ret_val=%d\n", ret_val);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
		return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	/* For i217 Intel Rapid Start Technology support when the system
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
	 * is transitioning from Sx and no manageability engine is present
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	 * configure SMBus to restore on reset, disable proxy, and enable
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
	 * the reset on MTA (Multicast table array).
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	if (hw->phy.type == e1000_phy_i217) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		u16 phy_reg;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
		if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
			e_dbg("Failed to setup iRST\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
			return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
		if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
			/* Restore clear on SMB if no manageability engine
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
			 * is present
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
			ret_val = e1e_rphy_locked(hw, I217_MEMPWR, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
			if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
				goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
			phy_reg |= I217_MEMPWR_DISABLE_SMB_RELEASE;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
			e1e_wphy_locked(hw, I217_MEMPWR, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
			/* Disable Proxy */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
			e1e_wphy_locked(hw, I217_PROXY_CTRL, 0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
		/* Enable reset on MTA */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
		ret_val = e1e_rphy_locked(hw, I217_CGFREG, &phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
		phy_reg &= ~I217_CGFREG_ENABLE_MTA_RESET;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
		e1e_wphy_locked(hw, I217_CGFREG, phy_reg);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
			e_dbg("Error %d in resume workarounds\n", ret_val);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
 *  e1000_cleanup_led_ich8lan - Restore the default LED operation
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
 *  Return the LED back to the default configuration.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	if (hw->phy.type == e1000_phy_ife)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
		return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	ew32(LEDCTL, hw->mac.ledctl_default);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
 *  e1000_led_on_ich8lan - Turn LEDs on
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
 *  Turn on the LEDs.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
static s32 e1000_led_on_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
	if (hw->phy.type == e1000_phy_ife)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
		return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
				(IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_ON));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	ew32(LEDCTL, hw->mac.ledctl_mode2);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
 *  e1000_led_off_ich8lan - Turn LEDs off
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
 *  Turn off the LEDs.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
static s32 e1000_led_off_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	if (hw->phy.type == e1000_phy_ife)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
		return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
				(IFE_PSCL_PROBE_MODE |
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
				 IFE_PSCL_PROBE_LEDS_OFF));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
	ew32(LEDCTL, hw->mac.ledctl_mode1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	return 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
 *  e1000_setup_led_pchlan - Configures SW controllable LED
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
 *  This prepares the SW controllable LED for use.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
static s32 e1000_setup_led_pchlan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	return e1e_wphy(hw, HV_LED_CONFIG, (u16)hw->mac.ledctl_mode1);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
 *  e1000_cleanup_led_pchlan - Restore the default LED operation
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
 *  Return the LED back to the default configuration.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
	return e1e_wphy(hw, HV_LED_CONFIG, (u16)hw->mac.ledctl_default);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
 *  e1000_led_on_pchlan - Turn LEDs on
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
 *  Turn on the LEDs.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
static s32 e1000_led_on_pchlan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	u16 data = (u16)hw->mac.ledctl_mode2;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
	u32 i, led;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
	/* If no link, then turn LED on by setting the invert bit
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
	 * for each LED that's mode is "link_up" in ledctl_mode2.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	if (!(er32(STATUS) & E1000_STATUS_LU)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		for (i = 0; i < 3; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
			led = (data >> (i * 5)) & E1000_PHY_LED0_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
			if ((led & E1000_PHY_LED0_MODE_MASK) !=
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
			    E1000_LEDCTL_MODE_LINK_UP)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
				continue;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
			if (led & E1000_PHY_LED0_IVRT)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
				data &= ~(E1000_PHY_LED0_IVRT << (i * 5));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
			else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
				data |= (E1000_PHY_LED0_IVRT << (i * 5));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	return e1e_wphy(hw, HV_LED_CONFIG, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
 *  e1000_led_off_pchlan - Turn LEDs off
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
 *  Turn off the LEDs.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
static s32 e1000_led_off_pchlan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	u16 data = (u16)hw->mac.ledctl_mode1;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	u32 i, led;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	/* If no link, then turn LED off by clearing the invert bit
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	 * for each LED that's mode is "link_up" in ledctl_mode1.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	if (!(er32(STATUS) & E1000_STATUS_LU)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
		for (i = 0; i < 3; i++) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
			led = (data >> (i * 5)) & E1000_PHY_LED0_MASK;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
			if ((led & E1000_PHY_LED0_MODE_MASK) !=
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
			    E1000_LEDCTL_MODE_LINK_UP)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
				continue;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
			if (led & E1000_PHY_LED0_IVRT)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
				data &= ~(E1000_PHY_LED0_IVRT << (i * 5));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
			else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
				data |= (E1000_PHY_LED0_IVRT << (i * 5));
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	return e1e_wphy(hw, HV_LED_CONFIG, data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
 *  e1000_get_cfg_done_ich8lan - Read config done bit after Full or PHY reset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
 *  Read appropriate register for the config done bit for completion status
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
 *  and configure the PHY through s/w for EEPROM-less parts.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
 *  NOTE: some silicon which is EEPROM-less will fail trying to read the
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
 *  config done bit, so only an error is logged and continues.  If we were
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
 *  to return with error, EEPROM-less silicon would not be able to be reset
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
 *  or change link.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
	s32 ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
	u32 bank = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
	u32 status;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
	e1000e_get_cfg_done_generic(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	/* Wait for indication from h/w that it has completed basic config */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
	if (hw->mac.type >= e1000_ich10lan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
		e1000_lan_init_done_ich8lan(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
		ret_val = e1000e_get_auto_rd_done(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
		if (ret_val) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
			/* When auto config read does not complete, do not
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
			 * return with an error. This can happen in situations
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
			 * where there is no eeprom and prevents getting link.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
			 */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
			e_dbg("Auto Read Done did not complete\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
			ret_val = 0;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	/* Clear PHY Reset Asserted bit */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
	status = er32(STATUS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	if (status & E1000_STATUS_PHYRA)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
		ew32(STATUS, status & ~E1000_STATUS_PHYRA);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
	else
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
		e_dbg("PHY Reset Asserted not set - needs delay\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	/* If EEPROM is not marked present, init the IGP 3 PHY manually */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
	if (hw->mac.type <= e1000_ich9lan) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
		if (!(er32(EECD) & E1000_EECD_PRES) &&
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
		    (hw->phy.type == e1000_phy_igp_3)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
			e1000e_phy_init_script_igp3(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
	} else {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
		if (e1000_valid_nvm_bank_detect_ich8lan(hw, &bank)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
			/* Maybe we should do a basic PHY config */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
			e_dbg("EEPROM not present\n");
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
			ret_val = -E1000_ERR_CONFIG;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
		}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	return ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
 * e1000_power_down_phy_copper_ich8lan - Remove link during PHY power down
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
 * @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
 * In the case of a PHY power down to save power, or to turn off link during a
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
 * driver unload, or wake on lan is not enabled, remove the link.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	/* If the management interface is not enabled, then power down */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	if (!(hw->mac.ops.check_mng_mode(hw) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
	      hw->phy.ops.check_reset_block(hw)))
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
		e1000_power_down_phy_copper(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
/**
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
 *  e1000_clear_hw_cntrs_ich8lan - Clear statistical counters
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
 *  @hw: pointer to the HW structure
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
 *
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
 *  Clears hardware counters specific to the silicon family and calls
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
 *  clear_hw_cntrs_generic to clear all general purpose counters.
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
 **/
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
{
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
	u16 phy_data;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
	s32 ret_val;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
	e1000e_clear_hw_cntrs_base(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
	er32(ALGNERRC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
	er32(RXERRC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
	er32(TNCRS);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
	er32(CEXTERR);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
	er32(TSCTC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	er32(TSCTFC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
	er32(MGTPRC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
	er32(MGTPDC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
	er32(MGTPTC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
	er32(IAC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	er32(ICRXOC);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	/* Clear PHY statistics registers */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
	if ((hw->phy.type == e1000_phy_82578) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
	    (hw->phy.type == e1000_phy_82579) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
	    (hw->phy.type == e1000_phy_i217) ||
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
	    (hw->phy.type == e1000_phy_82577)) {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
		ret_val = hw->phy.ops.acquire(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
			return;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
		ret_val = hw->phy.ops.set_page(hw,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
					       HV_STATS_PAGE << IGP_PAGE_SHIFT);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
		if (ret_val)
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
			goto release;
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
		hw->phy.ops.read_reg_page(hw, HV_SCC_UPPER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
		hw->phy.ops.read_reg_page(hw, HV_SCC_LOWER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
		hw->phy.ops.read_reg_page(hw, HV_ECOL_UPPER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
		hw->phy.ops.read_reg_page(hw, HV_ECOL_LOWER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
		hw->phy.ops.read_reg_page(hw, HV_MCC_UPPER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
		hw->phy.ops.read_reg_page(hw, HV_MCC_LOWER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
		hw->phy.ops.read_reg_page(hw, HV_LATECOL_UPPER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
		hw->phy.ops.read_reg_page(hw, HV_LATECOL_LOWER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
		hw->phy.ops.read_reg_page(hw, HV_COLC_UPPER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
		hw->phy.ops.read_reg_page(hw, HV_COLC_LOWER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
		hw->phy.ops.read_reg_page(hw, HV_DC_UPPER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
		hw->phy.ops.read_reg_page(hw, HV_DC_LOWER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
		hw->phy.ops.read_reg_page(hw, HV_TNCRS_UPPER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
		hw->phy.ops.read_reg_page(hw, HV_TNCRS_LOWER, &phy_data);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
release:
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
		hw->phy.ops.release(hw);
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
}
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
static const struct e1000_mac_operations ich8_mac_ops = {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	/* check_mng_mode dependent on mac type */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	.check_for_link		= e1000_check_for_copper_link_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	/* cleanup_led dependent on mac type */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	.clear_hw_cntrs		= e1000_clear_hw_cntrs_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
	.get_bus_info		= e1000_get_bus_info_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
	.set_lan_id		= e1000_set_lan_id_single_port,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	.get_link_up_info	= e1000_get_link_up_info_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	/* led_on dependent on mac type */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	/* led_off dependent on mac type */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
	.update_mc_addr_list	= e1000e_update_mc_addr_list_generic,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	.reset_hw		= e1000_reset_hw_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
	.init_hw		= e1000_init_hw_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	.setup_link		= e1000_setup_link_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
	.setup_physical_interface = e1000_setup_copper_link_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	/* id_led_init dependent on mac type */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
	.config_collision_dist	= e1000e_config_collision_dist_generic,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
	.rar_set		= e1000e_rar_set_generic,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	.rar_get_count		= e1000e_rar_get_count_generic,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
};
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
static const struct e1000_phy_operations ich8_phy_ops = {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	.acquire		= e1000_acquire_swflag_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	.check_reset_block	= e1000_check_reset_block_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	.commit			= NULL,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	.get_cfg_done		= e1000_get_cfg_done_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
	.get_cable_length	= e1000e_get_cable_length_igp_2,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	.read_reg		= e1000e_read_phy_reg_igp,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
	.release		= e1000_release_swflag_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	.reset			= e1000_phy_hw_reset_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	.set_d0_lplu_state	= e1000_set_d0_lplu_state_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
	.set_d3_lplu_state	= e1000_set_d3_lplu_state_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	.write_reg		= e1000e_write_phy_reg_igp,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
};
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
static const struct e1000_nvm_operations ich8_nvm_ops = {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	.acquire		= e1000_acquire_nvm_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	.read			= e1000_read_nvm_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	.release		= e1000_release_nvm_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	.reload			= e1000e_reload_nvm_generic,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
	.update			= e1000_update_nvm_checksum_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
	.valid_led_default	= e1000_valid_led_default_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	.validate		= e1000_validate_nvm_checksum_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
	.write			= e1000_write_nvm_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
};
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
const struct e1000_info e1000_ich8_info = {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
	.mac			= e1000_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
	.flags			= FLAG_HAS_WOL
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
				  | FLAG_IS_ICH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
				  | FLAG_HAS_CTRLEXT_ON_LOAD
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
				  | FLAG_HAS_AMT
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
				  | FLAG_HAS_FLASH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
				  | FLAG_APME_IN_WUC,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
	.pba			= 8,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
	.max_hw_frame_size	= ETH_FRAME_LEN + ETH_FCS_LEN,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
	.get_variants		= e1000_get_variants_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
	.mac_ops		= &ich8_mac_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	.phy_ops		= &ich8_phy_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
	.nvm_ops		= &ich8_nvm_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
};
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
const struct e1000_info e1000_ich9_info = {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
	.mac			= e1000_ich9lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	.flags			= FLAG_HAS_JUMBO_FRAMES
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
				  | FLAG_IS_ICH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
				  | FLAG_HAS_WOL
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
				  | FLAG_HAS_CTRLEXT_ON_LOAD
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
				  | FLAG_HAS_AMT
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
				  | FLAG_HAS_FLASH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
				  | FLAG_APME_IN_WUC,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
	.pba			= 18,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	.max_hw_frame_size	= DEFAULT_JUMBO,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	.get_variants		= e1000_get_variants_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	.mac_ops		= &ich8_mac_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
	.phy_ops		= &ich8_phy_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
	.nvm_ops		= &ich8_nvm_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
};
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
const struct e1000_info e1000_ich10_info = {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
	.mac			= e1000_ich10lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
	.flags			= FLAG_HAS_JUMBO_FRAMES
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
				  | FLAG_IS_ICH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
				  | FLAG_HAS_WOL
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
				  | FLAG_HAS_CTRLEXT_ON_LOAD
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
				  | FLAG_HAS_AMT
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
				  | FLAG_HAS_FLASH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
				  | FLAG_APME_IN_WUC,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
	.pba			= 18,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	.max_hw_frame_size	= DEFAULT_JUMBO,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	.get_variants		= e1000_get_variants_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
	.mac_ops		= &ich8_mac_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
	.phy_ops		= &ich8_phy_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	.nvm_ops		= &ich8_nvm_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
};
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
const struct e1000_info e1000_pch_info = {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
	.mac			= e1000_pchlan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	.flags			= FLAG_IS_ICH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
				  | FLAG_HAS_WOL
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
				  | FLAG_HAS_CTRLEXT_ON_LOAD
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
				  | FLAG_HAS_AMT
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
				  | FLAG_HAS_FLASH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
				  | FLAG_HAS_JUMBO_FRAMES
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
				  | FLAG_DISABLE_FC_PAUSE_TIME /* errata */
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
				  | FLAG_APME_IN_WUC,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
	.flags2			= FLAG2_HAS_PHY_STATS,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
	.pba			= 26,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
	.max_hw_frame_size	= 4096,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
	.get_variants		= e1000_get_variants_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
	.mac_ops		= &ich8_mac_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
	.phy_ops		= &ich8_phy_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
	.nvm_ops		= &ich8_nvm_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
};
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
const struct e1000_info e1000_pch2_info = {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
	.mac			= e1000_pch2lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	.flags			= FLAG_IS_ICH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
				  | FLAG_HAS_WOL
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
				  | FLAG_HAS_HW_TIMESTAMP
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
				  | FLAG_HAS_CTRLEXT_ON_LOAD
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
				  | FLAG_HAS_AMT
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
				  | FLAG_HAS_FLASH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
				  | FLAG_HAS_JUMBO_FRAMES
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
				  | FLAG_APME_IN_WUC,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	.flags2			= FLAG2_HAS_PHY_STATS
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
				  | FLAG2_HAS_EEE,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
	.pba			= 26,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
	.max_hw_frame_size	= 9018,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
	.get_variants		= e1000_get_variants_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
	.mac_ops		= &ich8_mac_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
	.phy_ops		= &ich8_phy_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
	.nvm_ops		= &ich8_nvm_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
};
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
const struct e1000_info e1000_pch_lpt_info = {
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
	.mac			= e1000_pch_lpt,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
	.flags			= FLAG_IS_ICH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
				  | FLAG_HAS_WOL
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
				  | FLAG_HAS_HW_TIMESTAMP
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
				  | FLAG_HAS_CTRLEXT_ON_LOAD
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
				  | FLAG_HAS_AMT
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
				  | FLAG_HAS_FLASH
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
				  | FLAG_HAS_JUMBO_FRAMES
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
				  | FLAG_APME_IN_WUC,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
	.flags2			= FLAG2_HAS_PHY_STATS
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
				  | FLAG2_HAS_EEE,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
	.pba			= 26,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
	.max_hw_frame_size	= 9018,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
	.get_variants		= e1000_get_variants_ich8lan,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	.mac_ops		= &ich8_mac_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	.phy_ops		= &ich8_phy_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
	.nvm_ops		= &ich8_nvm_ops,
792892ab4806 Added all drivers for kernel 3.16.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
};