devices/e1000e/lib-2.6.34-ethercat.c
author Florian Pose <fp@igh-essen.com>
Fri, 03 Mar 2017 16:49:13 +0100
branchstable-1.5
changeset 2673 459758a800b3
parent 2216 37c77787ea29
permissions -rw-r--r--
Optionally output CRC diagnosis information in graph.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2009 Intel Corporation.
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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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  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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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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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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  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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#include "e1000-2.6.34-ethercat.h"
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enum e1000_mng_mode {
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	e1000_mng_mode_none = 0,
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	e1000_mng_mode_asf,
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	e1000_mng_mode_pt,
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	e1000_mng_mode_ipmi,
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	e1000_mng_mode_host_if_only
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};
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#define E1000_FACTPS_MNGCG		0x20000000
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/* Intel(R) Active Management Technology signature */
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#define E1000_IAMT_SIGNATURE		0x544D4149
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/**
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 *  e1000e_get_bus_info_pcie - Get PCIe bus information
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 *  @hw: pointer to the HW structure
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 *
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 *  Determines and stores the system bus information for a particular
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 *  network interface.  The following bus information is determined and stored:
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 *  bus speed, bus width, type (PCIe), and PCIe function.
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 **/
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s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw)
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{
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	struct e1000_mac_info *mac = &hw->mac;
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	struct e1000_bus_info *bus = &hw->bus;
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	struct e1000_adapter *adapter = hw->adapter;
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	u16 pcie_link_status, cap_offset;
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	cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
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	if (!cap_offset) {
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		bus->width = e1000_bus_width_unknown;
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	} else {
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		pci_read_config_word(adapter->pdev,
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				     cap_offset + PCIE_LINK_STATUS,
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				     &pcie_link_status);
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		bus->width = (enum e1000_bus_width)((pcie_link_status &
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						     PCIE_LINK_WIDTH_MASK) >>
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						    PCIE_LINK_WIDTH_SHIFT);
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	}
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	mac->ops.set_lan_id(hw);
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	return 0;
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}
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/**
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 *  e1000_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices
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 *
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 *  @hw: pointer to the HW structure
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 *
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 *  Determines the LAN function id by reading memory-mapped registers
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 *  and swaps the port value if requested.
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 **/
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void e1000_set_lan_id_multi_port_pcie(struct e1000_hw *hw)
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{
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	struct e1000_bus_info *bus = &hw->bus;
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	u32 reg;
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	/*
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	 * The status register reports the correct function number
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	 * for the device regardless of function swap state.
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	 */
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	reg = er32(STATUS);
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	bus->func = (reg & E1000_STATUS_FUNC_MASK) >> E1000_STATUS_FUNC_SHIFT;
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}
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/**
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 *  e1000_set_lan_id_single_port - Set LAN id for a single port device
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 *  @hw: pointer to the HW structure
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 *
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 *  Sets the LAN function id to zero for a single port device.
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 **/
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void e1000_set_lan_id_single_port(struct e1000_hw *hw)
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{
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	struct e1000_bus_info *bus = &hw->bus;
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	bus->func = 0;
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}
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/**
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 *  e1000_clear_vfta_generic - Clear VLAN filter table
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 *  @hw: pointer to the HW structure
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 *
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 *  Clears the register array which contains the VLAN filter table by
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 *  setting all the values to 0.
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 **/
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void e1000_clear_vfta_generic(struct e1000_hw *hw)
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{
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	u32 offset;
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	for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
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		E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, 0);
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		e1e_flush();
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   124
	}
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   125
}
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parents:
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   126
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   127
/**
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   128
 *  e1000_write_vfta_generic - Write value to VLAN filter table
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   129
 *  @hw: pointer to the HW structure
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   130
 *  @offset: register offset in VLAN filter table
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   131
 *  @value: register value written to VLAN filter table
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   132
 *
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   133
 *  Writes value at the given offset in the register array which stores
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   134
 *  the VLAN filter table.
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   135
 **/
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   136
void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value)
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   137
{
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   138
	E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, value);
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   139
	e1e_flush();
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   140
}
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   141
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   142
/**
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   143
 *  e1000e_init_rx_addrs - Initialize receive address's
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   144
 *  @hw: pointer to the HW structure
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   145
 *  @rar_count: receive address registers
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   146
 *
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 *  Setups the receive address registers by setting the base receive address
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   148
 *  register to the devices MAC address and clearing all the other receive
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   149
 *  address registers to 0.
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 **/
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   151
void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count)
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{
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	u32 i;
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   154
	u8 mac_addr[ETH_ALEN] = {0};
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   155
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	/* Setup the receive address */
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   157
	e_dbg("Programming MAC Address into RAR[0]\n");
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   158
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   159
	e1000e_rar_set(hw, hw->mac.addr, 0);
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   160
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   161
	/* Zero out the other (rar_entry_count - 1) receive addresses */
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   162
	e_dbg("Clearing RAR[1-%u]\n", rar_count-1);
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   163
	for (i = 1; i < rar_count; i++)
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   164
		e1000e_rar_set(hw, mac_addr, i);
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   165
}
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   166
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   167
/**
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   168
 *  e1000_check_alt_mac_addr_generic - Check for alternate MAC addr
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   169
 *  @hw: pointer to the HW structure
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   170
 *
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   171
 *  Checks the nvm for an alternate MAC address.  An alternate MAC address
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   172
 *  can be setup by pre-boot software and must be treated like a permanent
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   173
 *  address and must override the actual permanent MAC address. If an
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   174
 *  alternate MAC address is found it is programmed into RAR0, replacing
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   175
 *  the permanent address that was installed into RAR0 by the Si on reset.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   176
 *  This function will return SUCCESS unless it encounters an error while
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   177
 *  reading the EEPROM.
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   178
 **/
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   179
s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw)
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   180
{
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   181
	u32 i;
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   182
	s32 ret_val = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   183
	u16 offset, nvm_alt_mac_addr_offset, nvm_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   184
	u8 alt_mac_addr[ETH_ALEN];
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   185
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   186
	ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   187
	                         &nvm_alt_mac_addr_offset);
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   188
	if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   189
		e_dbg("NVM Read Error\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   190
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
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   192
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   193
	if (nvm_alt_mac_addr_offset == 0xFFFF) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   194
		/* There is no Alternate MAC Address */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   195
		goto out;
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diff changeset
   196
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   197
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   198
	if (hw->bus.func == E1000_FUNC_1)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   199
		nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   200
	for (i = 0; i < ETH_ALEN; i += 2) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   201
		offset = nvm_alt_mac_addr_offset + (i >> 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   202
		ret_val = e1000_read_nvm(hw, offset, 1, &nvm_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   203
		if (ret_val) {
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   204
			e_dbg("NVM Read Error\n");
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   205
			goto out;
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diff changeset
   206
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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diff changeset
   207
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   208
		alt_mac_addr[i] = (u8)(nvm_data & 0xFF);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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diff changeset
   209
		alt_mac_addr[i + 1] = (u8)(nvm_data >> 8);
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diff changeset
   210
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   211
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
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   212
	/* if multicast bit is set, the alternate address will not be used */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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diff changeset
   213
	if (alt_mac_addr[0] & 0x01) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
		e_dbg("Ignoring Alternate Mac Address with MC bit set\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   215
		goto out;
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   217
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   218
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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diff changeset
   219
	 * We have a valid alternate MAC address, and we want to treat it the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   220
	 * same as the normal permanent MAC address stored by the HW into the
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
	 * RAR. Do this by mapping this address into RAR0.
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diff changeset
   222
	 */
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   223
	e1000e_rar_set(hw, alt_mac_addr, 0);
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parents:
diff changeset
   224
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
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   225
out:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
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   226
	return ret_val;
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diff changeset
   227
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   228
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   229
/**
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   230
 *  e1000e_rar_set - Set receive address register
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   231
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   232
 *  @addr: pointer to the receive address
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   233
 *  @index: receive address array register
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parents:
diff changeset
   234
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
 *  Sets the receive address array register at index to the address passed
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   236
 *  in by addr.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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diff changeset
   237
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
void e1000e_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
	u32 rar_low, rar_high;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   241
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
	 * HW expects these in little endian so we reverse the byte order
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
	 * from network order (big endian) to little endian
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
	rar_low = ((u32) addr[0] |
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parents:
diff changeset
   247
		   ((u32) addr[1] << 8) |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   248
		    ((u32) addr[2] << 16) | ((u32) addr[3] << 24));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   249
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   250
	rar_high = ((u32) addr[4] | ((u32) addr[5] << 8));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   251
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
	/* If MAC address zero, no need to set the AV bit */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   253
	if (rar_low || rar_high)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
		rar_high |= E1000_RAH_AV;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   255
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
	 * Some bridges will combine consecutive 32-bit writes into
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	 * a single burst write, which will malfunction on some parts.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	 * The flushes avoid this.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	ew32(RAL(index), rar_low);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
	ew32(RAH(index), rar_high);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
 *  e1000_hash_mc_addr - Generate a multicast hash value
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
 *  @mc_addr: pointer to a multicast address
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
 *  Generates a multicast address hash value which is used to determine
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
 *  the multicast filter table array address and new table value.  See
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
 *  e1000_mta_set_generic()
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
static u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
	u32 hash_value, hash_mask;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
	u8 bit_shift = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
	/* Register count multiplied by bits per register */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	hash_mask = (hw->mac.mta_reg_count * 32) - 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
	 * For a mc_filter_type of 0, bit_shift is the number of left-shifts
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
	 * where 0xFF would still fall within the hash mask.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
	while (hash_mask >> bit_shift != 0xFF)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		bit_shift++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
	 * The portion of the address that is used for the hash table
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
	 * is determined by the mc_filter_type setting.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
	 * The algorithm is such that there is a total of 8 bits of shifting.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
	 * The bit_shift for a mc_filter_type of 0 represents the number of
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	 * left-shifts where the MSB of mc_addr[5] would still fall within
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	 * the hash_mask.  Case 0 does this exactly.  Since there are a total
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	 * of 8 bits of shifting, then mc_addr[4] will shift right the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
	 * remaining number of bits. Thus 8 - bit_shift.  The rest of the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
	 * cases are a variation of this algorithm...essentially raising the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
	 * number of bits to shift mc_addr[5] left, while still keeping the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
	 * 8-bit shifting total.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
	 * For example, given the following Destination MAC Address and an
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	 * mta register count of 128 (thus a 4096-bit vector and 0xFFF mask),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
	 * we can see that the bit_shift for case 0 is 4.  These are the hash
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	 * values resulting from each mc_filter_type...
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
	 * [0] [1] [2] [3] [4] [5]
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	 * 01  AA  00  12  34  56
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
	 * LSB		 MSB
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	 * case 0: hash_value = ((0x34 >> 4) | (0x56 << 4)) & 0xFFF = 0x563
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
	 * case 1: hash_value = ((0x34 >> 3) | (0x56 << 5)) & 0xFFF = 0xAC6
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	 * case 2: hash_value = ((0x34 >> 2) | (0x56 << 6)) & 0xFFF = 0x163
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	 * case 3: hash_value = ((0x34 >> 0) | (0x56 << 8)) & 0xFFF = 0x634
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	switch (hw->mac.mc_filter_type) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	case 0:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	case 1:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
		bit_shift += 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
	case 2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
		bit_shift += 2;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	case 3:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		bit_shift += 4;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
	hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
				  (((u16) mc_addr[5]) << bit_shift)));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	return hash_value;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
 *  e1000e_update_mc_addr_list_generic - Update Multicast addresses
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
 *  @mc_addr_list: array of multicast addresses to program
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
 *  @mc_addr_count: number of multicast addresses to program
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
 *  Updates entire Multicast Table Array.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
 *  The caller must have a packed mc_addr_list of multicast addresses.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
					u8 *mc_addr_list, u32 mc_addr_count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
	u32 hash_value, hash_bit, hash_reg;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
	int i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
	/* clear mta_shadow */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
	memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
	/* update mta_shadow from mc_addr_list */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
	for (i = 0; (u32) i < mc_addr_count; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
		hash_value = e1000_hash_mc_addr(hw, mc_addr_list);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
		hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
		hash_bit = hash_value & 0x1F;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
		hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
		mc_addr_list += (ETH_ALEN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
	/* replace the entire MTA table */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
	for (i = hw->mac.mta_reg_count - 1; i >= 0; i--)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
		E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, hw->mac.mta_shadow[i]);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
 *  e1000e_clear_hw_cntrs_base - Clear base hardware counters
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
 *  Clears the base hardware counters by reading the counter registers.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
	er32(CRCERRS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
	er32(SYMERRS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
	er32(MPC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
	er32(SCC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
	er32(ECOL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
	er32(MCC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
	er32(LATECOL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
	er32(COLC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
	er32(DC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
	er32(SEC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
	er32(RLEC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
	er32(XONRXC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
	er32(XONTXC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
	er32(XOFFRXC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
	er32(XOFFTXC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
	er32(FCRUC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
	er32(GPRC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
	er32(BPRC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
	er32(MPRC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
	er32(GPTC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
	er32(GORCL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
	er32(GORCH);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
	er32(GOTCL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
	er32(GOTCH);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
	er32(RNBC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	er32(RUC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	er32(RFC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	er32(ROC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
	er32(RJC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	er32(TORL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	er32(TORH);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	er32(TOTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	er32(TOTH);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	er32(TPR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	er32(TPT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	er32(MPTC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	er32(BPTC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
 *  e1000e_check_for_copper_link - Check for link (Copper)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
 *  Checks to see of the link status of the hardware has changed.  If a
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
 *  change in link status has been detected, then we read the PHY registers
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
 *  to get the current speed/duplex if link exists.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
s32 e1000e_check_for_copper_link(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	struct e1000_mac_info *mac = &hw->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	bool link;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
	 * We only want to go out to the PHY registers to see if Auto-Neg
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
	 * has completed and/or if our link status has changed.  The
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	 * get_link_status flag is set upon receiving a Link Status
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	 * Change or Rx Sequence Error interrupt.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	if (!mac->get_link_status)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	 * First we want to see if the MII Status Register reports
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
	 * link.  If so, then we want to get the current speed/duplex
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	 * of the PHY.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	if (!link)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
		return ret_val; /* No link detected */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	mac->get_link_status = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
	 * Check if there was DownShift, must be checked
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	 * immediately after link-up
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
	e1000e_check_downshift(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	 * If we are forcing speed/duplex, then we simply return since
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
	 * we have already determined whether we have link or not.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	if (!mac->autoneg) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		ret_val = -E1000_ERR_CONFIG;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	 * Auto-Neg is enabled.  Auto Speed Detection takes care
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	 * of MAC speed/duplex configuration.  So we only need to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	 * configure Collision Distance in the MAC.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
	e1000e_config_collision_dist(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
	 * Configure Flow Control now that Auto-Neg has completed.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	 * First, we need to restore the desired flow control
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
	 * settings because we may have had to re-autoneg with a
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	 * different link partner.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	ret_val = e1000e_config_fc_after_link_up(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		e_dbg("Error configuring flow control\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
 *  e1000e_check_for_fiber_link - Check for link (Fiber)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
 *  Checks for link up on the hardware.  If link is not up and we have
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
 *  a signal, then we need to force link up.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
s32 e1000e_check_for_fiber_link(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
	struct e1000_mac_info *mac = &hw->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	u32 rxcw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
	u32 ctrl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
	u32 status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
	status = er32(STATUS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	rxcw = er32(RXCW);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	 * If we don't have link (auto-negotiation failed or link partner
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	 * cannot auto-negotiate), the cable is plugged in (we have signal),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	 * and our link partner is not trying to auto-negotiate with us (we
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	 * are receiving idles or data), we need to force link up. We also
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	 * need to give auto-negotiation time to complete, in case the cable
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	 * was just plugged in. The autoneg_failed flag does this.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	if ((ctrl & E1000_CTRL_SWDPIN1) && (!(status & E1000_STATUS_LU)) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	    (!(rxcw & E1000_RXCW_C))) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
		if (mac->autoneg_failed == 0) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
			mac->autoneg_failed = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
			return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		e_dbg("NOT RXing /C/, disable AutoNeg and force link.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		/* Disable auto-negotiation in the TXCW register */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
		/* Force link-up and also force full-duplex. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
		ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
		ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
		ew32(CTRL, ctrl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
		/* Configure Flow Control after forcing link up. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
		ret_val = e1000e_config_fc_after_link_up(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
		if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
			e_dbg("Error configuring flow control\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
		 * If we are forcing link and we are receiving /C/ ordered
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
		 * sets, re-enable auto-negotiation in the TXCW register
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
		 * and disable forced link in the Device Control register
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		 * in an attempt to auto-negotiate with our link partner.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
		e_dbg("RXing /C/, enable AutoNeg and stop forcing link.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
		ew32(TXCW, mac->txcw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
		mac->serdes_has_link = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
 *  e1000e_check_for_serdes_link - Check for link (Serdes)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
 *  Checks for link up on the hardware.  If link is not up and we have
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
 *  a signal, then we need to force link up.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	struct e1000_mac_info *mac = &hw->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	u32 rxcw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	u32 ctrl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	u32 status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	status = er32(STATUS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	rxcw = er32(RXCW);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	 * If we don't have link (auto-negotiation failed or link partner
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	 * cannot auto-negotiate), and our link partner is not trying to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	 * auto-negotiate with us (we are receiving idles or data),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	 * we need to force link up. We also need to give auto-negotiation
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	 * time to complete.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	/* (ctrl & E1000_CTRL_SWDPIN1) == 1 == have signal */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	if ((!(status & E1000_STATUS_LU)) && (!(rxcw & E1000_RXCW_C))) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		if (mac->autoneg_failed == 0) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
			mac->autoneg_failed = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
			return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		e_dbg("NOT RXing /C/, disable AutoNeg and force link.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
		/* Disable auto-negotiation in the TXCW register */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
		ew32(TXCW, (mac->txcw & ~E1000_TXCW_ANE));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		/* Force link-up and also force full-duplex. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		ew32(CTRL, ctrl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		/* Configure Flow Control after forcing link up. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		ret_val = e1000e_config_fc_after_link_up(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
		if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
			e_dbg("Error configuring flow control\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	} else if ((ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
		 * If we are forcing link and we are receiving /C/ ordered
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
		 * sets, re-enable auto-negotiation in the TXCW register
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
		 * and disable forced link in the Device Control register
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
		 * in an attempt to auto-negotiate with our link partner.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		e_dbg("RXing /C/, enable AutoNeg and stop forcing link.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		ew32(TXCW, mac->txcw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
		ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
		mac->serdes_has_link = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	} else if (!(E1000_TXCW_ANE & er32(TXCW))) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		 * If we force link for non-auto-negotiation switch, check
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		 * link status based on MAC synchronization for internal
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		 * serdes media type.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		/* SYNCH bit and IV bit are sticky. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		udelay(10);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		rxcw = er32(RXCW);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
		if (rxcw & E1000_RXCW_SYNCH) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
			if (!(rxcw & E1000_RXCW_IV)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
				mac->serdes_has_link = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
				e_dbg("SERDES: Link up - forced.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
			mac->serdes_has_link = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
			e_dbg("SERDES: Link down - force failed.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	if (E1000_TXCW_ANE & er32(TXCW)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
		status = er32(STATUS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		if (status & E1000_STATUS_LU) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
			/* SYNCH bit and IV bit are sticky, so reread rxcw.  */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
			udelay(10);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
			rxcw = er32(RXCW);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
			if (rxcw & E1000_RXCW_SYNCH) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
				if (!(rxcw & E1000_RXCW_IV)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
					mac->serdes_has_link = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
					e_dbg("SERDES: Link up - autoneg "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
					   "completed successfully.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
				} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
					mac->serdes_has_link = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
					e_dbg("SERDES: Link down - invalid"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
					   "codewords detected in autoneg.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
				}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
				mac->serdes_has_link = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
				e_dbg("SERDES: Link down - no sync.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
			mac->serdes_has_link = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
			e_dbg("SERDES: Link down - autoneg failed\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
 *  e1000_set_default_fc_generic - Set flow control default values
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
 *  Read the EEPROM for the default values for flow control and store the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
 *  values.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
static s32 e1000_set_default_fc_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	u16 nvm_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	 * Read and store word 0x0F of the EEPROM. This word contains bits
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	 * that determine the hardware's default PAUSE (flow control) mode,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	 * a bit that determines whether the HW defaults to enabling or
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	 * disabling auto-negotiation, and the direction of the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	 * SW defined pins. If there is no SW over-ride of the flow
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	 * control setting, then the variable hw->fc will
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	 * be initialized based on a value in the EEPROM.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &nvm_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		e_dbg("NVM Read Error\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == 0)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		hw->fc.requested_mode = e1000_fc_none;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	else if ((nvm_data & NVM_WORD0F_PAUSE_MASK) ==
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		 NVM_WORD0F_ASM_DIR)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		hw->fc.requested_mode = e1000_fc_tx_pause;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		hw->fc.requested_mode = e1000_fc_full;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
 *  e1000e_setup_link - Setup flow control and link settings
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
 *  Determines which flow control settings to use, then configures flow
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
 *  control.  Calls the appropriate media-specific link configuration
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
 *  function.  Assuming the adapter has a valid link partner, a valid link
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
 *  should be established.  Assumes the hardware has previously been reset
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
 *  and the transmitter and receiver are not enabled.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
s32 e1000e_setup_link(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	struct e1000_mac_info *mac = &hw->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	 * In the case of the phy reset being blocked, we already have a link.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	 * We do not need to set it up again.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	if (e1000_check_reset_block(hw))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	 * If requested flow control is set to default, set flow control
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	 * based on the EEPROM flow control settings.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	if (hw->fc.requested_mode == e1000_fc_default) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		ret_val = e1000_set_default_fc_generic(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	 * Save off the requested flow control mode for use later.  Depending
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	 * on the link partner's capabilities, we may or may not use this mode.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	hw->fc.current_mode = hw->fc.requested_mode;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
	e_dbg("After fix-ups FlowControl is now = %x\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
		hw->fc.current_mode);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	/* Call the necessary media_type subroutine to configure the link. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
	ret_val = mac->ops.setup_physical_interface(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	 * Initialize the flow control address, type, and PAUSE timer
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	 * registers to their default values.  This is done even if flow
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	 * control is disabled, because it does not hurt anything to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	 * initialize these registers.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	e_dbg("Initializing the Flow Control address, type and timer regs\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	ew32(FCT, FLOW_CONTROL_TYPE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	ew32(FCAH, FLOW_CONTROL_ADDRESS_HIGH);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	ew32(FCAL, FLOW_CONTROL_ADDRESS_LOW);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	ew32(FCTTV, hw->fc.pause_time);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	return e1000e_set_fc_watermarks(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
 *  e1000_commit_fc_settings_generic - Configure flow control
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
 *  Write the flow control settings to the Transmit Config Word Register (TXCW)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
 *  base on the flow control settings in e1000_mac_info.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
static s32 e1000_commit_fc_settings_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	struct e1000_mac_info *mac = &hw->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	u32 txcw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	 * Check for a software override of the flow control settings, and
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	 * setup the device accordingly.  If auto-negotiation is enabled, then
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	 * software will have to set the "PAUSE" bits to the correct value in
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	 * the Transmit Config Word Register (TXCW) and re-start auto-
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	 * negotiation.  However, if auto-negotiation is disabled, then
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	 * software will have to manually configure the two flow control enable
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	 * bits in the CTRL register.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	 * The possible values of the "fc" parameter are:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	 *      0:  Flow control is completely disabled
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	 *      1:  Rx flow control is enabled (we can receive pause frames,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	 *	  but not send pause frames).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	 *      2:  Tx flow control is enabled (we can send pause frames but we
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	 *	  do not support receiving pause frames).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	 *      3:  Both Rx and Tx flow control (symmetric) are enabled.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	switch (hw->fc.current_mode) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	case e1000_fc_none:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		/* Flow control completely disabled by a software over-ride. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	case e1000_fc_rx_pause:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
		 * Rx Flow control is enabled and Tx Flow control is disabled
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
		 * by a software over-ride. Since there really isn't a way to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		 * advertise that we are capable of Rx Pause ONLY, we will
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
		 * advertise that we support both symmetric and asymmetric Rx
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
		 * PAUSE.  Later, we will disable the adapter's ability to send
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		 * PAUSE frames.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	case e1000_fc_tx_pause:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		 * Tx Flow control is enabled, and Rx Flow control is disabled,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
		 * by a software over-ride.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_ASM_DIR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	case e1000_fc_full:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
		 * Flow control (both Rx and Tx) is enabled by a software
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
		 * over-ride.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		txcw = (E1000_TXCW_ANE | E1000_TXCW_FD | E1000_TXCW_PAUSE_MASK);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		e_dbg("Flow control param set incorrectly\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
		return -E1000_ERR_CONFIG;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
	ew32(TXCW, txcw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
	mac->txcw = txcw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
 *  e1000_poll_fiber_serdes_link_generic - Poll for link up
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
 *  Polls for link up by reading the status register, if link fails to come
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
 *  up with auto-negotiation, then the link is forced if a signal is detected.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
static s32 e1000_poll_fiber_serdes_link_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	struct e1000_mac_info *mac = &hw->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
	u32 i, status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
	 * If we have a signal (the cable is plugged in, or assumed true for
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	 * serdes media) then poll for a "Link-Up" indication in the Device
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	 * Status Register.  Time-out if a link isn't seen in 500 milliseconds
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	 * seconds (Auto-negotiation should complete in less than 500
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
	 * milliseconds even if the other end is doing it in SW).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
	for (i = 0; i < FIBER_LINK_UP_LIMIT; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
		msleep(10);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		status = er32(STATUS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
		if (status & E1000_STATUS_LU)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
	if (i == FIBER_LINK_UP_LIMIT) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
		e_dbg("Never got a valid link from auto-neg!!!\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
		mac->autoneg_failed = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
		 * AutoNeg failed to achieve a link, so we'll call
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		 * mac->check_for_link. This routine will force the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
		 * link up if we detect a signal. This will allow us to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
		 * communicate with non-autonegotiating link partners.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		ret_val = mac->ops.check_for_link(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
			e_dbg("Error while checking for link\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
		mac->autoneg_failed = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		mac->autoneg_failed = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
		e_dbg("Valid Link Found\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
 *  e1000e_setup_fiber_serdes_link - Setup link for fiber/serdes
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
 *  Configures collision distance and flow control for fiber and serdes
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
 *  links.  Upon successful setup, poll for link.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	u32 ctrl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	/* Take the link out of reset */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	ctrl &= ~E1000_CTRL_LRST;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	e1000e_config_collision_dist(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	ret_val = e1000_commit_fc_settings_generic(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	 * Since auto-negotiation is enabled, take the link out of reset (the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	 * link will be in reset, because we previously reset the chip). This
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	 * will restart auto-negotiation.  If auto-negotiation is successful
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	 * then the link-up status bit will be set and the flow control enable
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	 * bits (RFCE and TFCE) will be set according to their negotiated value.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	e_dbg("Auto-negotiation enabled\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	ew32(CTRL, ctrl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	msleep(1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	 * For these adapters, the SW definable pin 1 is set when the optics
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	 * detect a signal.  If we have a signal, then poll for a "Link-Up"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	 * indication.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	if (hw->phy.media_type == e1000_media_type_internal_serdes ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	    (er32(CTRL) & E1000_CTRL_SWDPIN1)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
		ret_val = e1000_poll_fiber_serdes_link_generic(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
		e_dbg("No signal detected\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
 *  e1000e_config_collision_dist - Configure collision distance
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
 *  Configures the collision distance to the default value and is used
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
 *  during link setup. Currently no func pointer exists and all
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
 *  implementations are handled in the generic version of this function.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
void e1000e_config_collision_dist(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	u32 tctl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	tctl = er32(TCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	tctl &= ~E1000_TCTL_COLD;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	ew32(TCTL, tctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
 *  e1000e_set_fc_watermarks - Set flow control high/low watermarks
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
 *  Sets the flow control high/low threshold (watermark) registers.  If
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
 *  flow control XON frame transmission is enabled, then set XON frame
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
 *  transmission as well.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
s32 e1000e_set_fc_watermarks(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	u32 fcrtl = 0, fcrth = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	 * Set the flow control receive threshold registers.  Normally,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	 * these registers will be set to a default threshold that may be
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	 * adjusted later by the driver's runtime code.  However, if the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	 * ability to transmit pause frames is not enabled, then these
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	 * registers will be set to 0.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	if (hw->fc.current_mode & e1000_fc_tx_pause) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		 * We need to set up the Receive Threshold high and low water
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
		 * marks as well as (optionally) enabling the transmission of
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
		 * XON frames.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
		fcrtl = hw->fc.low_water;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		fcrtl |= E1000_FCRTL_XONE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
		fcrth = hw->fc.high_water;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	ew32(FCRTL, fcrtl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	ew32(FCRTH, fcrth);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
 *  e1000e_force_mac_fc - Force the MAC's flow control settings
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
 *  Force the MAC's flow control settings.  Sets the TFCE and RFCE bits in the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
 *  device control register to reflect the adapter settings.  TFCE and RFCE
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
 *  need to be explicitly set by software when a copper PHY is used because
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
 *  autonegotiation is managed by the PHY rather than the MAC.  Software must
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
 *  also configure these bits when link is forced on a fiber connection.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
s32 e1000e_force_mac_fc(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	u32 ctrl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
	 * Because we didn't get link via the internal auto-negotiation
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
	 * mechanism (we either forced link or we got link via PHY
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	 * auto-neg), we have to manually enable/disable transmit an
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	 * receive flow control.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
	 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
	 * The "Case" statement below enables/disable flow control
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	 * according to the "hw->fc.current_mode" parameter.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	 * The possible values of the "fc" parameter are:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	 *      0:  Flow control is completely disabled
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	 *      1:  Rx flow control is enabled (we can receive pause
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	 *	  frames but not send pause frames).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	 *      2:  Tx flow control is enabled (we can send pause frames
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	 *	  frames but we do not receive pause frames).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	 *      3:  Both Rx and Tx flow control (symmetric) is enabled.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	 *  other:  No other values should be possible at this point.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	e_dbg("hw->fc.current_mode = %u\n", hw->fc.current_mode);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	switch (hw->fc.current_mode) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	case e1000_fc_none:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	case e1000_fc_rx_pause:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		ctrl &= (~E1000_CTRL_TFCE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		ctrl |= E1000_CTRL_RFCE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	case e1000_fc_tx_pause:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		ctrl &= (~E1000_CTRL_RFCE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		ctrl |= E1000_CTRL_TFCE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	case e1000_fc_full:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		e_dbg("Flow control param set incorrectly\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		return -E1000_ERR_CONFIG;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	ew32(CTRL, ctrl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
 *  e1000e_config_fc_after_link_up - Configures flow control after link
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
 *  Checks the status of auto-negotiation after link up to ensure that the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
 *  speed and duplex were not forced.  If the link needed to be forced, then
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
 *  flow control needs to be forced also.  If auto-negotiation is enabled
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
 *  and did not fail, then we configure flow control based on our link
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
 *  partner.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	struct e1000_mac_info *mac = &hw->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	s32 ret_val = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	u16 mii_status_reg, mii_nway_adv_reg, mii_nway_lp_ability_reg;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	u16 speed, duplex;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	 * Check for the case where we have fiber media and auto-neg failed
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	 * so we had to force link.  In this case, we need to force the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	 * configuration of the MAC to match the "fc" parameter.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	if (mac->autoneg_failed) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		if (hw->phy.media_type == e1000_media_type_fiber ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
		    hw->phy.media_type == e1000_media_type_internal_serdes)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
			ret_val = e1000e_force_mac_fc(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		if (hw->phy.media_type == e1000_media_type_copper)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
			ret_val = e1000e_force_mac_fc(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		e_dbg("Error forcing flow control settings\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	 * Check for the case where we have copper media and auto-neg is
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	 * enabled.  In this case, we need to check and see if Auto-Neg
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	 * has completed, and if so, how the PHY and link partner has
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	 * flow control configured.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	if ((hw->phy.media_type == e1000_media_type_copper) && mac->autoneg) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		 * Read the MII Status Register and check to see if AutoNeg
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		 * has completed.  We read this twice because this reg has
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
		 * some "sticky" (latched) bits.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		ret_val = e1e_rphy(hw, PHY_STATUS, &mii_status_reg);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
		if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		ret_val = e1e_rphy(hw, PHY_STATUS, &mii_status_reg);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
		if (!(mii_status_reg & MII_SR_AUTONEG_COMPLETE)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
			e_dbg("Copper PHY and Auto Neg "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
				 "has not completed.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
		 * The AutoNeg process has completed, so we now need to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		 * read both the Auto Negotiation Advertisement
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		 * Register (Address 4) and the Auto_Negotiation Base
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		 * Page Ability Register (Address 5) to determine how
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		 * flow control was negotiated.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		ret_val = e1e_rphy(hw, PHY_AUTONEG_ADV, &mii_nway_adv_reg);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
		if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		ret_val = e1e_rphy(hw, PHY_LP_ABILITY, &mii_nway_lp_ability_reg);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
		 * Two bits in the Auto Negotiation Advertisement Register
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		 * (Address 4) and two bits in the Auto Negotiation Base
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		 * Page Ability Register (Address 5) determine flow control
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		 * for both the PHY and the link partner.  The following
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		 * table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		 * 1999, describes these PAUSE resolution bits and how flow
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		 * control is determined based upon these settings.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
		 * NOTE:  DC = Don't Care
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		 *   LOCAL DEVICE  |   LINK PARTNER
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
		 *-------|---------|-------|---------|--------------------
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		 *   0   |    0    |  DC   |   DC    | e1000_fc_none
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		 *   0   |    1    |   0   |   DC    | e1000_fc_none
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		 *   0   |    1    |   1   |    0    | e1000_fc_none
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		 *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		 *   1   |    0    |   0   |   DC    | e1000_fc_none
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		 *   1   |   DC    |   1   |   DC    | e1000_fc_full
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		 *   1   |    1    |   0   |    0    | e1000_fc_none
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		 *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		 * Are both PAUSE bits set to 1?  If so, this implies
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		 * Symmetric Flow Control is enabled at both ends.  The
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		 * ASM_DIR bits are irrelevant per the spec.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		 * For Symmetric Flow Control:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		 *   LOCAL DEVICE  |   LINK PARTNER
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		 *-------|---------|-------|---------|--------------------
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		 *   1   |   DC    |   1   |   DC    | E1000_fc_full
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		    (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
			 * Now we need to check if the user selected Rx ONLY
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			 * of pause frames.  In this case, we had to advertise
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
			 * FULL flow control because we could not advertise Rx
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
			 * ONLY. Hence, we must now check to see if we need to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
			 * turn OFF  the TRANSMISSION of PAUSE frames.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
			if (hw->fc.requested_mode == e1000_fc_full) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
				hw->fc.current_mode = e1000_fc_full;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
				e_dbg("Flow Control = FULL.\r\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
			} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
				hw->fc.current_mode = e1000_fc_rx_pause;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
				e_dbg("Flow Control = "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
					 "RX PAUSE frames only.\r\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
		 * For receiving PAUSE frames ONLY.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
		 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
		 *   LOCAL DEVICE  |   LINK PARTNER
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
		 *-------|---------|-------|---------|--------------------
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		 *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
		else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
			  (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
			  (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
			  (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
			hw->fc.current_mode = e1000_fc_tx_pause;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
			e_dbg("Flow Control = Tx PAUSE frames only.\r\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
		 * For transmitting PAUSE frames ONLY.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		 *   LOCAL DEVICE  |   LINK PARTNER
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
		 *-------|---------|-------|---------|--------------------
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
		 *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
			 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
			 !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
			 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
			hw->fc.current_mode = e1000_fc_rx_pause;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
			e_dbg("Flow Control = Rx PAUSE frames only.\r\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
			 * Per the IEEE spec, at this point flow control
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
			 * should be disabled.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
			hw->fc.current_mode = e1000_fc_none;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
			e_dbg("Flow Control = NONE.\r\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		 * Now we need to do one last check...  If we auto-
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		 * negotiated to HALF DUPLEX, flow control should not be
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
		 * enabled per IEEE 802.3 spec.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		ret_val = mac->ops.get_link_up_info(hw, &speed, &duplex);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
			e_dbg("Error getting link speed and duplex\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		if (duplex == HALF_DUPLEX)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
			hw->fc.current_mode = e1000_fc_none;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		 * Now we call a subroutine to actually force the MAC
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		 * controller to use the correct flow control settings.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		ret_val = e1000e_force_mac_fc(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
		if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
			e_dbg("Error forcing flow control settings\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
 *  e1000e_get_speed_and_duplex_copper - Retrieve current speed/duplex
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
 *  @speed: stores the current speed
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
 *  @duplex: stores the current duplex
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
 *  Read the status register for the current speed/duplex and store the current
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
 *  speed and duplex for copper connections.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *duplex)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	u32 status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	status = er32(STATUS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	if (status & E1000_STATUS_SPEED_1000) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		*speed = SPEED_1000;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		e_dbg("1000 Mbs, ");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	} else if (status & E1000_STATUS_SPEED_100) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
		*speed = SPEED_100;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
		e_dbg("100 Mbs, ");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
		*speed = SPEED_10;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		e_dbg("10 Mbs, ");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	if (status & E1000_STATUS_FD) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
		*duplex = FULL_DUPLEX;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
		e_dbg("Full Duplex\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
		*duplex = HALF_DUPLEX;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
		e_dbg("Half Duplex\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
 *  e1000e_get_speed_and_duplex_fiber_serdes - Retrieve current speed/duplex
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
 *  @speed: stores the current speed
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
 *  @duplex: stores the current duplex
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
 *  Sets the speed and duplex to gigabit full duplex (the only possible option)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
 *  for fiber/serdes links.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed, u16 *duplex)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	*speed = SPEED_1000;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	*duplex = FULL_DUPLEX;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
 *  e1000e_get_hw_semaphore - Acquire hardware semaphore
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
 *  Acquire the HW semaphore to access the PHY or NVM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
s32 e1000e_get_hw_semaphore(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	u32 swsm;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
	s32 timeout = hw->nvm.word_size + 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
	s32 i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	/* Get the SW semaphore */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
	while (i < timeout) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
		swsm = er32(SWSM);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
		if (!(swsm & E1000_SWSM_SMBI))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
		udelay(50);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
		i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	if (i == timeout) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
		e_dbg("Driver can't access device - SMBI bit is set.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
		return -E1000_ERR_NVM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	/* Get the FW semaphore. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	for (i = 0; i < timeout; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
		swsm = er32(SWSM);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		ew32(SWSM, swsm | E1000_SWSM_SWESMBI);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
		/* Semaphore acquired if bit latched */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
		if (er32(SWSM) & E1000_SWSM_SWESMBI)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
		udelay(50);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	if (i == timeout) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
		/* Release semaphores */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
		e1000e_put_hw_semaphore(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
		e_dbg("Driver can't access the NVM\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		return -E1000_ERR_NVM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
 *  e1000e_put_hw_semaphore - Release hardware semaphore
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
 *  Release hardware semaphore used to access the PHY or NVM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
void e1000e_put_hw_semaphore(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	u32 swsm;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	swsm = er32(SWSM);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	ew32(SWSM, swsm);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
 *  e1000e_get_auto_rd_done - Check for auto read completion
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
 *  Check EEPROM for Auto Read done bit.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
s32 e1000e_get_auto_rd_done(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	s32 i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	while (i < AUTO_READ_DONE_TIMEOUT) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
		if (er32(EECD) & E1000_EECD_AUTO_RD)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
		msleep(1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
		i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	if (i == AUTO_READ_DONE_TIMEOUT) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
		e_dbg("Auto read by HW from NVM has not completed.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
		return -E1000_ERR_RESET;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
 *  e1000e_valid_led_default - Verify a valid default LED config
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
 *  @data: pointer to the NVM (EEPROM)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
 *  Read the EEPROM for the current default LED configuration.  If the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
 *  LED configuration is not valid, set to a valid LED configuration.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		e_dbg("NVM Read Error\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		*data = ID_LED_DEFAULT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
 *  e1000e_id_led_init -
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
s32 e1000e_id_led_init(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	struct e1000_mac_info *mac = &hw->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
	const u32 ledctl_mask = 0x000000FF;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	u16 data, i, temp;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	const u16 led_mask = 0x0F;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	ret_val = hw->nvm.ops.valid_led_default(hw, &data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	mac->ledctl_default = er32(LEDCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	mac->ledctl_mode1 = mac->ledctl_default;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	mac->ledctl_mode2 = mac->ledctl_default;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	for (i = 0; i < 4; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		temp = (data >> (i << 2)) & led_mask;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
		switch (temp) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
		case ID_LED_ON1_DEF2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
		case ID_LED_ON1_ON2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
		case ID_LED_ON1_OFF2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
			mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
			mac->ledctl_mode1 |= ledctl_on << (i << 3);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
		case ID_LED_OFF1_DEF2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
		case ID_LED_OFF1_ON2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
		case ID_LED_OFF1_OFF2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
			mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
			mac->ledctl_mode1 |= ledctl_off << (i << 3);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
		default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
			/* Do nothing */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
		switch (temp) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
		case ID_LED_DEF1_ON2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
		case ID_LED_ON1_ON2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
		case ID_LED_OFF1_ON2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
			mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
			mac->ledctl_mode2 |= ledctl_on << (i << 3);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		case ID_LED_DEF1_OFF2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
		case ID_LED_ON1_OFF2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		case ID_LED_OFF1_OFF2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
			mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
			mac->ledctl_mode2 |= ledctl_off << (i << 3);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
			/* Do nothing */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
 *  e1000e_setup_led_generic - Configures SW controllable LED
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
 *  This prepares the SW controllable LED for use and saves the current state
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
 *  of the LED so it can be later restored.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
s32 e1000e_setup_led_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	u32 ledctl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	if (hw->mac.ops.setup_led != e1000e_setup_led_generic) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		return -E1000_ERR_CONFIG;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	if (hw->phy.media_type == e1000_media_type_fiber) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		ledctl = er32(LEDCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
		hw->mac.ledctl_default = ledctl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
		/* Turn off LED0 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		ledctl &= ~(E1000_LEDCTL_LED0_IVRT |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		            E1000_LEDCTL_LED0_BLINK |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
		            E1000_LEDCTL_LED0_MODE_MASK);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
		ledctl |= (E1000_LEDCTL_MODE_LED_OFF <<
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
		           E1000_LEDCTL_LED0_MODE_SHIFT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		ew32(LEDCTL, ledctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	} else if (hw->phy.media_type == e1000_media_type_copper) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		ew32(LEDCTL, hw->mac.ledctl_mode1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
 *  e1000e_cleanup_led_generic - Set LED config to default operation
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
 *  Remove the current LED configuration and set the LED configuration
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
 *  to the default value, saved from the EEPROM.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
s32 e1000e_cleanup_led_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	ew32(LEDCTL, hw->mac.ledctl_default);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
 *  e1000e_blink_led - Blink LED
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
 *  Blink the LEDs which are set to be on.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
s32 e1000e_blink_led(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	u32 ledctl_blink = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	u32 i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	if (hw->phy.media_type == e1000_media_type_fiber) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
		/* always blink LED0 for PCI-E fiber */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
		ledctl_blink = E1000_LEDCTL_LED0_BLINK |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		     (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED0_MODE_SHIFT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		 * set the blink bit for each LED that's "on" (0x0E)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		 * in ledctl_mode2
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		ledctl_blink = hw->mac.ledctl_mode2;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		for (i = 0; i < 4; i++)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
			if (((hw->mac.ledctl_mode2 >> (i * 8)) & 0xFF) ==
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
			    E1000_LEDCTL_MODE_LED_ON)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
				ledctl_blink |= (E1000_LEDCTL_LED0_BLINK <<
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
						 (i * 8));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	ew32(LEDCTL, ledctl_blink);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
 *  e1000e_led_on_generic - Turn LED on
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
 *  Turn LED on.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
s32 e1000e_led_on_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	u32 ctrl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	switch (hw->phy.media_type) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	case e1000_media_type_fiber:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		ctrl &= ~E1000_CTRL_SWDPIN0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		ctrl |= E1000_CTRL_SWDPIO0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
		ew32(CTRL, ctrl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	case e1000_media_type_copper:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
		ew32(LEDCTL, hw->mac.ledctl_mode2);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
 *  e1000e_led_off_generic - Turn LED off
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
 *  Turn LED off.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
s32 e1000e_led_off_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	u32 ctrl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	switch (hw->phy.media_type) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	case e1000_media_type_fiber:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		ctrl |= E1000_CTRL_SWDPIN0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		ctrl |= E1000_CTRL_SWDPIO0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		ew32(CTRL, ctrl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	case e1000_media_type_copper:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
		ew32(LEDCTL, hw->mac.ledctl_mode1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
 *  e1000e_set_pcie_no_snoop - Set PCI-express capabilities
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
 *  @no_snoop: bitmap of snoop events
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
 *  Set the PCI-express register to snoop for events enabled in 'no_snoop'.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	u32 gcr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	if (no_snoop) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		gcr = er32(GCR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		gcr &= ~(PCIE_NO_SNOOP_ALL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		gcr |= no_snoop;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		ew32(GCR, gcr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
 *  e1000e_disable_pcie_master - Disables PCI-express master access
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
 *  Returns 0 if successful, else returns -10
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
 *  (-E1000_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not caused
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
 *  the master requests to be disabled.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
 *  Disables PCI-Express master access and verifies there are no pending
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
 *  requests.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
s32 e1000e_disable_pcie_master(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	u32 ctrl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	s32 timeout = MASTER_DISABLE_TIMEOUT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	ctrl |= E1000_CTRL_GIO_MASTER_DISABLE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
	ew32(CTRL, ctrl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
	while (timeout) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		if (!(er32(STATUS) &
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		      E1000_STATUS_GIO_MASTER_ENABLE))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		udelay(100);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		timeout--;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	if (!timeout) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
		e_dbg("Master requests are pending.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
		return -E1000_ERR_MASTER_REQUESTS_PENDING;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
 *  e1000e_reset_adaptive - Reset Adaptive Interframe Spacing
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
 *  Reset the Adaptive Interframe Spacing throttle to default values.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
void e1000e_reset_adaptive(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	struct e1000_mac_info *mac = &hw->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	if (!mac->adaptive_ifs) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		e_dbg("Not in Adaptive IFS mode!\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	mac->current_ifs_val = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
	mac->ifs_min_val = IFS_MIN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	mac->ifs_max_val = IFS_MAX;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
	mac->ifs_step_size = IFS_STEP;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	mac->ifs_ratio = IFS_RATIO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	mac->in_ifs_mode = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	ew32(AIT, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
out:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
 *  e1000e_update_adaptive - Update Adaptive Interframe Spacing
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
 *  Update the Adaptive Interframe Spacing Throttle value based on the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
 *  time between transmitted packets and time between collisions.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
void e1000e_update_adaptive(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	struct e1000_mac_info *mac = &hw->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	if (!mac->adaptive_ifs) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
		e_dbg("Not in Adaptive IFS mode!\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	if ((mac->collision_delta * mac->ifs_ratio) > mac->tx_packet_delta) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
		if (mac->tx_packet_delta > MIN_NUM_XMITS) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
			mac->in_ifs_mode = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
			if (mac->current_ifs_val < mac->ifs_max_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
				if (!mac->current_ifs_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
					mac->current_ifs_val = mac->ifs_min_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
				else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
					mac->current_ifs_val +=
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
						mac->ifs_step_size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
				ew32(AIT, mac->current_ifs_val);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		if (mac->in_ifs_mode &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		    (mac->tx_packet_delta <= MIN_NUM_XMITS)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
			mac->current_ifs_val = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
			mac->in_ifs_mode = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
			ew32(AIT, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
out:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
	return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
 *  e1000_raise_eec_clk - Raise EEPROM clock
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
 *  @eecd: pointer to the EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
 *  Enable/Raise the EEPROM clock bit.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
static void e1000_raise_eec_clk(struct e1000_hw *hw, u32 *eecd)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	*eecd = *eecd | E1000_EECD_SK;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	ew32(EECD, *eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
	udelay(hw->nvm.delay_usec);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
 *  e1000_lower_eec_clk - Lower EEPROM clock
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
 *  @eecd: pointer to the EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
 *  Clear/Lower the EEPROM clock bit.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
static void e1000_lower_eec_clk(struct e1000_hw *hw, u32 *eecd)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	*eecd = *eecd & ~E1000_EECD_SK;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	ew32(EECD, *eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	udelay(hw->nvm.delay_usec);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
 *  e1000_shift_out_eec_bits - Shift data bits our to the EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
 *  @data: data to send to the EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
 *  @count: number of bits to shift out
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
 *  We need to shift 'count' bits out to the EEPROM.  So, the value in the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
 *  "data" parameter will be shifted out to the EEPROM one bit at a time.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
 *  In order to do this, "data" must be broken down into bits.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
static void e1000_shift_out_eec_bits(struct e1000_hw *hw, u16 data, u16 count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	struct e1000_nvm_info *nvm = &hw->nvm;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	u32 eecd = er32(EECD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	u32 mask;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	mask = 0x01 << (count - 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
	if (nvm->type == e1000_nvm_eeprom_spi)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		eecd |= E1000_EECD_DO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	do {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
		eecd &= ~E1000_EECD_DI;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
		if (data & mask)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
			eecd |= E1000_EECD_DI;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		ew32(EECD, eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		udelay(nvm->delay_usec);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
		e1000_raise_eec_clk(hw, &eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
		e1000_lower_eec_clk(hw, &eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		mask >>= 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	} while (mask);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
	eecd &= ~E1000_EECD_DI;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	ew32(EECD, eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
 *  e1000_shift_in_eec_bits - Shift data bits in from the EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
 *  @count: number of bits to shift in
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
 *  In order to read a register from the EEPROM, we need to shift 'count' bits
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
 *  in from the EEPROM.  Bits are "shifted in" by raising the clock input to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
 *  the EEPROM (setting the SK bit), and then reading the value of the data out
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
 *  "DO" bit.  During this "shifting in" process the data in "DI" bit should
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
 *  always be clear.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
static u16 e1000_shift_in_eec_bits(struct e1000_hw *hw, u16 count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	u32 eecd;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	u32 i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	u16 data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	eecd = er32(EECD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	eecd &= ~(E1000_EECD_DO | E1000_EECD_DI);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
	data = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	for (i = 0; i < count; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		data <<= 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
		e1000_raise_eec_clk(hw, &eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
		eecd = er32(EECD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
		eecd &= ~E1000_EECD_DI;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
		if (eecd & E1000_EECD_DO)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
			data |= 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
		e1000_lower_eec_clk(hw, &eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	return data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
 *  e1000e_poll_eerd_eewr_done - Poll for EEPROM read/write completion
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
 *  @ee_reg: EEPROM flag for polling
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
 *  Polls the EEPROM status bit for either read or write completion based
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
 *  upon the value of 'ee_reg'.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
s32 e1000e_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
	u32 attempts = 100000;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
	u32 i, reg = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
	for (i = 0; i < attempts; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		if (ee_reg == E1000_NVM_POLL_READ)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
			reg = er32(EERD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
		else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
			reg = er32(EEWR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		if (reg & E1000_NVM_RW_REG_DONE)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
			return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
		udelay(5);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	return -E1000_ERR_NVM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
 *  e1000e_acquire_nvm - Generic request for access to EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
 *  Set the EEPROM access request bit and wait for EEPROM access grant bit.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
 *  Return successful if access grant bit set, else clear the request for
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
 *  EEPROM access and return -E1000_ERR_NVM (-1).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
s32 e1000e_acquire_nvm(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	u32 eecd = er32(EECD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
	s32 timeout = E1000_NVM_GRANT_ATTEMPTS;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
	ew32(EECD, eecd | E1000_EECD_REQ);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
	eecd = er32(EECD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	while (timeout) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		if (eecd & E1000_EECD_GNT)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		udelay(5);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
		eecd = er32(EECD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
		timeout--;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	if (!timeout) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
		eecd &= ~E1000_EECD_REQ;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		ew32(EECD, eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		e_dbg("Could not acquire NVM grant\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		return -E1000_ERR_NVM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
 *  e1000_standby_nvm - Return EEPROM to standby state
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 *  Return the EEPROM to a standby state.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
static void e1000_standby_nvm(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	struct e1000_nvm_info *nvm = &hw->nvm;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	u32 eecd = er32(EECD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	if (nvm->type == e1000_nvm_eeprom_spi) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
		/* Toggle CS to flush commands */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
		eecd |= E1000_EECD_CS;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		ew32(EECD, eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
		udelay(nvm->delay_usec);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
		eecd &= ~E1000_EECD_CS;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
		ew32(EECD, eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
		e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
		udelay(nvm->delay_usec);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
 *  e1000_stop_nvm - Terminate EEPROM command
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
 *  Terminates the current command by inverting the EEPROM's chip select pin.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
static void e1000_stop_nvm(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
	u32 eecd;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	eecd = er32(EECD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
	if (hw->nvm.type == e1000_nvm_eeprom_spi) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
		/* Pull CS high */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		eecd |= E1000_EECD_CS;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		e1000_lower_eec_clk(hw, &eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
 *  e1000e_release_nvm - Release exclusive access to EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
 *  Stop any current commands to the EEPROM and clear the EEPROM request bit.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
void e1000e_release_nvm(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	u32 eecd;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	e1000_stop_nvm(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	eecd = er32(EECD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	eecd &= ~E1000_EECD_REQ;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	ew32(EECD, eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
 *  e1000_ready_nvm_eeprom - Prepares EEPROM for read/write
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
 *  Setups the EEPROM for reading and writing.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
static s32 e1000_ready_nvm_eeprom(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	struct e1000_nvm_info *nvm = &hw->nvm;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
	u32 eecd = er32(EECD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	u16 timeout = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	u8 spi_stat_reg;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
	if (nvm->type == e1000_nvm_eeprom_spi) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
		/* Clear SK and CS */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		ew32(EECD, eecd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
		udelay(1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
		timeout = NVM_MAX_RETRY_SPI;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
		 * Read "Status Register" repeatedly until the LSB is cleared.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		 * The EEPROM will signal that the command has been completed
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		 * by clearing bit 0 of the internal status register.  If it's
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		 * not cleared within 'timeout', then error out.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
		while (timeout) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
			e1000_shift_out_eec_bits(hw, NVM_RDSR_OPCODE_SPI,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
						 hw->nvm.opcode_bits);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
			spi_stat_reg = (u8)e1000_shift_in_eec_bits(hw, 8);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
			if (!(spi_stat_reg & NVM_STATUS_RDY_SPI))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
				break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
			udelay(5);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
			e1000_standby_nvm(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
			timeout--;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
		if (!timeout) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
			e_dbg("SPI NVM Status error\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
			return -E1000_ERR_NVM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
 *  e1000e_read_nvm_eerd - Reads EEPROM using EERD register
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
 *  @offset: offset of word in the EEPROM to read
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
 *  @words: number of words to read
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
 *  @data: word read from the EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
 *  Reads a 16 bit word from the EEPROM using the EERD register.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
	struct e1000_nvm_info *nvm = &hw->nvm;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	u32 i, eerd = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	s32 ret_val = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	 * A check for invalid values:  offset too large, too many words,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	 * too many words for the offset, and not enough words.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	    (words == 0)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
		e_dbg("nvm parameter(s) out of bounds\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
		return -E1000_ERR_NVM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	for (i = 0; i < words; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		eerd = ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) +
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
		       E1000_NVM_RW_REG_START;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
		ew32(EERD, eerd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
		ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_READ);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
		if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
		data[i] = (er32(EERD) >> E1000_NVM_RW_REG_DATA);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
	return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
 *  e1000e_write_nvm_spi - Write to EEPROM using SPI
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
 *  @offset: offset within the EEPROM to be written to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
 *  @words: number of words to write
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
 *  @data: 16 bit word(s) to be written to the EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
 *  Writes data to EEPROM at offset using SPI interface.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
 *  If e1000e_update_nvm_checksum is not called after this function , the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
 *  EEPROM will most likely contain an invalid checksum.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	struct e1000_nvm_info *nvm = &hw->nvm;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
	u16 widx = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	 * A check for invalid values:  offset too large, too many words,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	 * and not enough words.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	    (words == 0)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
		e_dbg("nvm parameter(s) out of bounds\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
		return -E1000_ERR_NVM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	ret_val = nvm->ops.acquire(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	msleep(10);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
	while (widx < words) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
		u8 write_opcode = NVM_WRITE_OPCODE_SPI;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
		ret_val = e1000_ready_nvm_eeprom(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
		if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
			nvm->ops.release(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
		e1000_standby_nvm(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
		/* Send the WRITE ENABLE command (8 bit opcode) */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
		e1000_shift_out_eec_bits(hw, NVM_WREN_OPCODE_SPI,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
					 nvm->opcode_bits);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
		e1000_standby_nvm(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
		 * Some SPI eeproms use the 8th address bit embedded in the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
		 * opcode
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
		if ((nvm->address_bits == 8) && (offset >= 128))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
			write_opcode |= NVM_A8_OPCODE_SPI;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
		/* Send the Write command (8-bit opcode + addr) */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
		e1000_shift_out_eec_bits(hw, write_opcode, nvm->opcode_bits);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
		e1000_shift_out_eec_bits(hw, (u16)((offset + widx) * 2),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
					 nvm->address_bits);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		/* Loop to allow for up to whole page write of eeprom */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
		while (widx < words) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
			u16 word_out = data[widx];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
			word_out = (word_out >> 8) | (word_out << 8);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
			e1000_shift_out_eec_bits(hw, word_out, 16);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
			widx++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
			if ((((offset + widx) * 2) % nvm->page_size) == 0) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
				e1000_standby_nvm(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
				break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	msleep(10);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	nvm->ops.release(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
 *  e1000_read_mac_addr_generic - Read device MAC address
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
 *  Reads the device MAC address from the EEPROM and stores the value.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
 *  Since devices with two ports use the same EEPROM, we increment the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
 *  last bit in the MAC address for the second port.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
s32 e1000_read_mac_addr_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
	u32 rar_high;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	u32 rar_low;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	u16 i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	rar_high = er32(RAH(0));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
	rar_low = er32(RAL(0));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
	for (i = 0; i < E1000_RAL_MAC_ADDR_LEN; i++)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
		hw->mac.perm_addr[i] = (u8)(rar_low >> (i*8));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	for (i = 0; i < E1000_RAH_MAC_ADDR_LEN; i++)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
		hw->mac.perm_addr[i+4] = (u8)(rar_high >> (i*8));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	for (i = 0; i < ETH_ALEN; i++)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
		hw->mac.addr[i] = hw->mac.perm_addr[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
 *  e1000e_validate_nvm_checksum_generic - Validate EEPROM checksum
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
 *  Calculates the EEPROM checksum by reading/adding each word of the EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
 *  and then verifies that the sum of the EEPROM is equal to 0xBABA.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	u16 checksum = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	u16 i, nvm_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
		ret_val = e1000_read_nvm(hw, i, 1, &nvm_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
		if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
			e_dbg("NVM Read Error\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
		checksum += nvm_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	if (checksum != (u16) NVM_SUM) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
		e_dbg("NVM Checksum Invalid\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
		return -E1000_ERR_NVM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
 *  e1000e_update_nvm_checksum_generic - Update EEPROM checksum
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
 *  Updates the EEPROM checksum by reading/adding each word of the EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
 *  up to the checksum.  Then calculates the EEPROM checksum and writes the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
 *  value to the EEPROM.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	u16 checksum = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	u16 i, nvm_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	for (i = 0; i < NVM_CHECKSUM_REG; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
		ret_val = e1000_read_nvm(hw, i, 1, &nvm_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
		if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
			e_dbg("NVM Read Error while updating checksum.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
		checksum += nvm_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	checksum = (u16) NVM_SUM - checksum;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	ret_val = e1000_write_nvm(hw, NVM_CHECKSUM_REG, 1, &checksum);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
		e_dbg("NVM Write Error while updating checksum.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
 *  e1000e_reload_nvm - Reloads EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
 *  Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
 *  extended control register.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
void e1000e_reload_nvm(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	u32 ctrl_ext;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	udelay(10);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	ctrl_ext = er32(CTRL_EXT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	ctrl_ext |= E1000_CTRL_EXT_EE_RST;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	ew32(CTRL_EXT, ctrl_ext);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
 *  e1000_calculate_checksum - Calculate checksum for buffer
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
 *  @buffer: pointer to EEPROM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
 *  @length: size of EEPROM to calculate a checksum for
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
 *  Calculates the checksum for some buffer on a specified length.  The
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
 *  checksum calculated is returned.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
static u8 e1000_calculate_checksum(u8 *buffer, u32 length)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	u32 i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	u8  sum = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	if (!buffer)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	for (i = 0; i < length; i++)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
		sum += buffer[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	return (u8) (0 - sum);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
 *  e1000_mng_enable_host_if - Checks host interface is enabled
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
 *  Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
 *  This function checks whether the HOST IF is enabled for command operation
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
 *  and also checks whether the previous command is completed.  It busy waits
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
 *  in case of previous command is not completed.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
static s32 e1000_mng_enable_host_if(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
	u32 hicr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
	u8 i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
	/* Check that the host interface is enabled. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	hicr = er32(HICR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	if ((hicr & E1000_HICR_EN) == 0) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
		e_dbg("E1000_HOST_EN bit disabled.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
		return -E1000_ERR_HOST_INTERFACE_COMMAND;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	/* check the previous command is completed */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	for (i = 0; i < E1000_MNG_DHCP_COMMAND_TIMEOUT; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
		hicr = er32(HICR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
		if (!(hicr & E1000_HICR_C))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
		mdelay(1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
		e_dbg("Previous command timeout failed .\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
		return -E1000_ERR_HOST_INTERFACE_COMMAND;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
 *  e1000e_check_mng_mode_generic - check management mode
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
 *  Reads the firmware semaphore register and returns true (>0) if
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
 *  manageability is enabled, else false (0).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
bool e1000e_check_mng_mode_generic(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	u32 fwsm = er32(FWSM);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	return (fwsm & E1000_FWSM_MODE_MASK) ==
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
		(E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
 *  e1000e_enable_tx_pkt_filtering - Enable packet filtering on Tx
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
 *  Enables packet filtering on transmit packets if manageability is enabled
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
 *  and host interface is enabled.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	struct e1000_host_mng_dhcp_cookie *hdr = &hw->mng_cookie;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	u32 *buffer = (u32 *)&hw->mng_cookie;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
	u32 offset;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	s32 ret_val, hdr_csum, csum;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	u8 i, len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	hw->mac.tx_pkt_filtering = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	/* No manageability, no filtering */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	if (!e1000e_check_mng_mode(hw)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		hw->mac.tx_pkt_filtering = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	 * If we can't read from the host interface for whatever
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	 * reason, disable filtering.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	ret_val = e1000_mng_enable_host_if(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
		hw->mac.tx_pkt_filtering = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	/* Read in the header.  Length and offset are in dwords. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	len    = E1000_MNG_DHCP_COOKIE_LENGTH >> 2;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	offset = E1000_MNG_DHCP_COOKIE_OFFSET >> 2;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	for (i = 0; i < len; i++)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		*(buffer + i) = E1000_READ_REG_ARRAY(hw, E1000_HOST_IF, offset + i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
	hdr_csum = hdr->checksum;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	hdr->checksum = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	csum = e1000_calculate_checksum((u8 *)hdr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
					E1000_MNG_DHCP_COOKIE_LENGTH);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	 * If either the checksums or signature don't match, then
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	 * the cookie area isn't considered valid, in which case we
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	 * take the safe route of assuming Tx filtering is enabled.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	if ((hdr_csum != csum) || (hdr->signature != E1000_IAMT_SIGNATURE)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
		hw->mac.tx_pkt_filtering = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	/* Cookie area is valid, make the final check for filtering. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
	if (!(hdr->status & E1000_MNG_DHCP_COOKIE_STATUS_PARSING)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		hw->mac.tx_pkt_filtering = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
out:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	return hw->mac.tx_pkt_filtering;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
 *  e1000_mng_write_cmd_header - Writes manageability command header
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
 *  @hdr: pointer to the host interface command header
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
 *  Writes the command header after does the checksum calculation.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
static s32 e1000_mng_write_cmd_header(struct e1000_hw *hw,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
				  struct e1000_host_mng_command_header *hdr)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	u16 i, length = sizeof(struct e1000_host_mng_command_header);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
	/* Write the whole command header structure with new checksum. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
	hdr->checksum = e1000_calculate_checksum((u8 *)hdr, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	length >>= 2;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	/* Write the relevant command block into the ram area. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
	for (i = 0; i < length; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		E1000_WRITE_REG_ARRAY(hw, E1000_HOST_IF, i,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
					    *((u32 *) hdr + i));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
 *  e1000_mng_host_if_write - Write to the manageability host interface
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
 *  @buffer: pointer to the host interface buffer
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
 *  @length: size of the buffer
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
 *  @offset: location in the buffer to write to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
 *  @sum: sum of the data (not checksum)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
 *  This function writes the buffer content at the offset given on the host if.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
 *  It also does alignment considerations to do the writes in most efficient
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
 *  way.  Also fills up the sum of the buffer in *buffer parameter.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
static s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
				   u16 length, u16 offset, u8 *sum)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	u8 *tmp;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	u8 *bufptr = buffer;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	u32 data = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	u16 remaining, i, j, prev_bytes;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	/* sum = only sum of the data and it is not checksum */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	if (length == 0 || offset + length > E1000_HI_MAX_MNG_DATA_LENGTH)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
		return -E1000_ERR_PARAM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	tmp = (u8 *)&data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	prev_bytes = offset & 0x3;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	offset >>= 2;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	if (prev_bytes) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
		data = E1000_READ_REG_ARRAY(hw, E1000_HOST_IF, offset);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
		for (j = prev_bytes; j < sizeof(u32); j++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
			*(tmp + j) = *bufptr++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
			*sum += *(tmp + j);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		E1000_WRITE_REG_ARRAY(hw, E1000_HOST_IF, offset, data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
		length -= j - prev_bytes;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
		offset++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	remaining = length & 0x3;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	length -= remaining;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	/* Calculate length in DWORDs */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	length >>= 2;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
	 * The device driver writes the relevant command block into the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	 * ram area.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	for (i = 0; i < length; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
		for (j = 0; j < sizeof(u32); j++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
			*(tmp + j) = *bufptr++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
			*sum += *(tmp + j);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		E1000_WRITE_REG_ARRAY(hw, E1000_HOST_IF, offset + i, data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
	if (remaining) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		for (j = 0; j < sizeof(u32); j++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
			if (j < remaining)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
				*(tmp + j) = *bufptr++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
			else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
				*(tmp + j) = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
			*sum += *(tmp + j);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
		E1000_WRITE_REG_ARRAY(hw, E1000_HOST_IF, offset + i, data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
 *  e1000e_mng_write_dhcp_info - Writes DHCP info to host interface
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
 *  @buffer: pointer to the host interface
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
 *  @length: size of the buffer
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
 *  Writes the DHCP information to the host interface.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	struct e1000_host_mng_command_header hdr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
	u32 hicr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
	hdr.command_id = E1000_MNG_DHCP_TX_PAYLOAD_CMD;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	hdr.command_length = length;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
	hdr.reserved1 = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	hdr.reserved2 = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	hdr.checksum = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	/* Enable the host interface */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	ret_val = e1000_mng_enable_host_if(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
	/* Populate the host interface with the contents of "buffer". */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	ret_val = e1000_mng_host_if_write(hw, buffer, length,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
					  sizeof(hdr), &(hdr.checksum));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
	/* Write the manageability command header */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	ret_val = e1000_mng_write_cmd_header(hw, &hdr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	/* Tell the ARC a new command is pending. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	hicr = er32(HICR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	ew32(HICR, hicr | E1000_HICR_C);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
 *  e1000e_enable_mng_pass_thru - Enable processing of ARP's
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
 *  Verifies the hardware needs to allow ARPs to be processed by the host.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
	u32 manc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	u32 fwsm, factps;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
	bool ret_val = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	manc = er32(MANC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	if (!(manc & E1000_MANC_RCV_TCO_EN) ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
	    !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
	if (hw->mac.arc_subsystem_valid) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
		fwsm = er32(FWSM);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		factps = er32(FACTPS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
		if (!(factps & E1000_FACTPS_MNGCG) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
		    ((fwsm & E1000_FWSM_MODE_MASK) ==
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
		     (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT))) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
			ret_val = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
		if ((manc & E1000_MANC_SMBUS_EN) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
		    !(manc & E1000_MANC_ASF_EN)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
			ret_val = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
			return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
s32 e1000e_read_pba_num(struct e1000_hw *hw, u32 *pba_num)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	s32 ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	u16 nvm_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	ret_val = e1000_read_nvm(hw, NVM_PBA_OFFSET_0, 1, &nvm_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		e_dbg("NVM Read Error\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
	*pba_num = (u32)(nvm_data << 16);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
	ret_val = e1000_read_nvm(hw, NVM_PBA_OFFSET_1, 1, &nvm_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	if (ret_val) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		e_dbg("NVM Read Error\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
		return ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	*pba_num |= nvm_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
}