devices/e1000e/ich8lan-3.4-orig.c
author Florian Pose <fp@igh-essen.com>
Mon, 10 Mar 2014 13:43:48 +0100
branchstable-1.5
changeset 2540 fca12d7035d1
parent 2491 5e9221a78855
permissions -rw-r--r--
Added --enable-kernel switch to disable kernel module building.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2012 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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/*
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 * 82562G 10/100 Network Connection
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 * 82562G-2 10/100 Network Connection
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 * 82562GT 10/100 Network Connection
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 * 82562GT-2 10/100 Network Connection
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 * 82562V 10/100 Network Connection
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 * 82562V-2 10/100 Network Connection
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 * 82566DC-2 Gigabit Network Connection
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 * 82566DC Gigabit Network Connection
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 * 82566DM-2 Gigabit Network Connection
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 * 82566DM Gigabit Network Connection
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 * 82566MC Gigabit Network Connection
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 * 82566MM Gigabit Network Connection
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 * 82567LM Gigabit Network Connection
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 * 82567LF Gigabit Network Connection
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 * 82567V Gigabit Network Connection
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 * 82567LM-2 Gigabit Network Connection
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 * 82567LF-2 Gigabit Network Connection
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 * 82567V-2 Gigabit Network Connection
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 * 82567LF-3 Gigabit Network Connection
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 * 82567LM-3 Gigabit Network Connection
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 * 82567LM-4 Gigabit Network Connection
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 * 82577LM Gigabit Network Connection
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 * 82577LC Gigabit Network Connection
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 * 82578DM Gigabit Network Connection
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 * 82578DC Gigabit Network Connection
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 * 82579LM Gigabit Network Connection
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 * 82579V Gigabit Network Connection
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 */
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#include "e1000.h"
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#define ICH_FLASH_GFPREG		0x0000
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#define ICH_FLASH_HSFSTS		0x0004
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#define ICH_FLASH_HSFCTL		0x0006
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#define ICH_FLASH_FADDR			0x0008
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#define ICH_FLASH_FDATA0		0x0010
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#define ICH_FLASH_PR0			0x0074
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#define ICH_FLASH_READ_COMMAND_TIMEOUT	500
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#define ICH_FLASH_WRITE_COMMAND_TIMEOUT	500
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#define ICH_FLASH_ERASE_COMMAND_TIMEOUT	3000000
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#define ICH_FLASH_LINEAR_ADDR_MASK	0x00FFFFFF
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#define ICH_FLASH_CYCLE_REPEAT_COUNT	10
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#define ICH_CYCLE_READ			0
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#define ICH_CYCLE_WRITE			2
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#define ICH_CYCLE_ERASE			3
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#define FLASH_GFPREG_BASE_MASK		0x1FFF
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#define FLASH_SECTOR_ADDR_SHIFT		12
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#define ICH_FLASH_SEG_SIZE_256		256
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#define ICH_FLASH_SEG_SIZE_4K		4096
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#define ICH_FLASH_SEG_SIZE_8K		8192
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#define ICH_FLASH_SEG_SIZE_64K		65536
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#define E1000_ICH_FWSM_RSPCIPHY	0x00000040 /* Reset PHY on PCI Reset */
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/* FW established a valid mode */
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#define E1000_ICH_FWSM_FW_VALID		0x00008000
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#define E1000_ICH_MNG_IAMT_MODE		0x2
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#define ID_LED_DEFAULT_ICH8LAN  ((ID_LED_DEF1_DEF2 << 12) | \
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				 (ID_LED_DEF1_OFF2 <<  8) | \
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				 (ID_LED_DEF1_ON2  <<  4) | \
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				 (ID_LED_DEF1_DEF2))
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#define E1000_ICH_NVM_SIG_WORD		0x13
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#define E1000_ICH_NVM_SIG_MASK		0xC000
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#define E1000_ICH_NVM_VALID_SIG_MASK    0xC0
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#define E1000_ICH_NVM_SIG_VALUE         0x80
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#define E1000_ICH8_LAN_INIT_TIMEOUT	1500
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#define E1000_FEXTNVM_SW_CONFIG		1
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#define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* Bit redefined for ICH8M :/ */
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#define E1000_FEXTNVM4_BEACON_DURATION_MASK    0x7
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#define E1000_FEXTNVM4_BEACON_DURATION_8USEC   0x7
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#define E1000_FEXTNVM4_BEACON_DURATION_16USEC  0x3
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#define PCIE_ICH8_SNOOP_ALL		PCIE_NO_SNOOP_ALL
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#define E1000_ICH_RAR_ENTRIES		7
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#define PHY_PAGE_SHIFT 5
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#define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \
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			   ((reg) & MAX_PHY_REG_ADDRESS))
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#define IGP3_KMRN_DIAG  PHY_REG(770, 19) /* KMRN Diagnostic */
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#define IGP3_VR_CTRL    PHY_REG(776, 18) /* Voltage Regulator Control */
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#define IGP3_KMRN_DIAG_PCS_LOCK_LOSS	0x0002
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#define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300
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#define IGP3_VR_CTRL_MODE_SHUTDOWN	0x0200
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#define HV_LED_CONFIG		PHY_REG(768, 30) /* LED Configuration */
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#define SW_FLAG_TIMEOUT    1000 /* SW Semaphore flag timeout in milliseconds */
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/* SMBus Address Phy Register */
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#define HV_SMB_ADDR            PHY_REG(768, 26)
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#define HV_SMB_ADDR_MASK       0x007F
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#define HV_SMB_ADDR_PEC_EN     0x0200
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#define HV_SMB_ADDR_VALID      0x0080
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/* PHY Power Management Control */
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#define HV_PM_CTRL		PHY_REG(770, 17)
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/* PHY Low Power Idle Control */
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#define I82579_LPI_CTRL				PHY_REG(772, 20)
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#define I82579_LPI_CTRL_ENABLE_MASK		0x6000
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#define I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT	0x80
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/* EMI Registers */
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#define I82579_EMI_ADDR         0x10
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#define I82579_EMI_DATA         0x11
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#define I82579_LPI_UPDATE_TIMER 0x4805	/* in 40ns units + 40 ns base value */
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#define I82579_MSE_THRESHOLD    0x084F	/* Mean Square Error Threshold */
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#define I82579_MSE_LINK_DOWN    0x2411	/* MSE count before dropping link */
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/* Strapping Option Register - RO */
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#define E1000_STRAP                     0x0000C
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#define E1000_STRAP_SMBUS_ADDRESS_MASK  0x00FE0000
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#define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17
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/* OEM Bits Phy Register */
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#define HV_OEM_BITS            PHY_REG(768, 25)
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#define HV_OEM_BITS_LPLU       0x0004 /* Low Power Link Up */
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#define HV_OEM_BITS_GBE_DIS    0x0040 /* Gigabit Disable */
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#define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */
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#define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */
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#define E1000_NVM_K1_ENABLE 0x1  /* NVM Enable K1 bit */
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/* KMRN Mode Control */
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#define HV_KMRN_MODE_CTRL      PHY_REG(769, 16)
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#define HV_KMRN_MDIO_SLOW      0x0400
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/* KMRN FIFO Control and Status */
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#define HV_KMRN_FIFO_CTRLSTA                  PHY_REG(770, 16)
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#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK    0x7000
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#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT   12
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/* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */
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/* Offset 04h HSFSTS */
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union ich8_hws_flash_status {
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	struct ich8_hsfsts {
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		u16 flcdone    :1; /* bit 0 Flash Cycle Done */
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		u16 flcerr     :1; /* bit 1 Flash Cycle Error */
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		u16 dael       :1; /* bit 2 Direct Access error Log */
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		u16 berasesz   :2; /* bit 4:3 Sector Erase Size */
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		u16 flcinprog  :1; /* bit 5 flash cycle in Progress */
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		u16 reserved1  :2; /* bit 13:6 Reserved */
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		u16 reserved2  :6; /* bit 13:6 Reserved */
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		u16 fldesvalid :1; /* bit 14 Flash Descriptor Valid */
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		u16 flockdn    :1; /* bit 15 Flash Config Lock-Down */
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	} hsf_status;
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	u16 regval;
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};
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/* ICH GbE Flash Hardware Sequencing Flash control Register bit breakdown */
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/* Offset 06h FLCTL */
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union ich8_hws_flash_ctrl {
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	struct ich8_hsflctl {
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		u16 flcgo      :1;   /* 0 Flash Cycle Go */
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		u16 flcycle    :2;   /* 2:1 Flash Cycle */
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		u16 reserved   :5;   /* 7:3 Reserved  */
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		u16 fldbcount  :2;   /* 9:8 Flash Data Byte Count */
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		u16 flockdn    :6;   /* 15:10 Reserved */
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	} hsf_ctrl;
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	u16 regval;
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};
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/* ICH Flash Region Access Permissions */
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union ich8_hws_flash_regacc {
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	struct ich8_flracc {
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		u32 grra      :8; /* 0:7 GbE region Read Access */
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		u32 grwa      :8; /* 8:15 GbE region Write Access */
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		u32 gmrag     :8; /* 23:16 GbE Master Read Access Grant */
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		u32 gmwag     :8; /* 31:24 GbE Master Write Access Grant */
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	} hsf_flregacc;
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	u16 regval;
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};
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/* ICH Flash Protected Region */
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union ich8_flash_protected_range {
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	struct ich8_pr {
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		u32 base:13;     /* 0:12 Protected Range Base */
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		u32 reserved1:2; /* 13:14 Reserved */
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		u32 rpe:1;       /* 15 Read Protection Enable */
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		u32 limit:13;    /* 16:28 Protected Range Limit */
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		u32 reserved2:2; /* 29:30 Reserved */
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		u32 wpe:1;       /* 31 Write Protection Enable */
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	} range;
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	u32 regval;
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};
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static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw);
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static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw);
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static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw);
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static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank);
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static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
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						u32 offset, u8 byte);
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static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset,
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					 u8 *data);
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static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset,
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					 u16 *data);
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static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
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					 u8 size, u16 *data);
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static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw);
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static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw);
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static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw);
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static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw);
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static s32 e1000_led_on_ich8lan(struct e1000_hw *hw);
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static s32 e1000_led_off_ich8lan(struct e1000_hw *hw);
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static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw);
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static s32 e1000_setup_led_pchlan(struct e1000_hw *hw);
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static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw);
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static s32 e1000_led_on_pchlan(struct e1000_hw *hw);
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static s32 e1000_led_off_pchlan(struct e1000_hw *hw);
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static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active);
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static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw);
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static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw);
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static s32  e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link);
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diff changeset
   255
static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   256
static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
static s32 e1000_k1_workaround_lv(struct e1000_hw *hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate);
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   260
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
	return readw(hw->flash_address + reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
static inline u32 __er32flash(struct e1000_hw *hw, unsigned long reg)
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   267
{
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   268
	return readl(hw->flash_address + reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   269
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
static inline void __ew16flash(struct e1000_hw *hw, unsigned long reg, u16 val)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   272
{
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   273
	writew(val, hw->flash_address + reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val)
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   277
{
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   278
	writel(val, hw->flash_address + reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
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diff changeset
   279
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
#define er16flash(reg)		__er16flash(hw, (reg))
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   282
#define er32flash(reg)		__er32flash(hw, (reg))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
#define ew16flash(reg, val)	__ew16flash(hw, (reg), (val))
5e9221a78855 Added e1000e driver for kernel 3.4.
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diff changeset
   284
#define ew32flash(reg, val)	__ew32flash(hw, (reg), (val))
5e9221a78855 Added e1000e driver for kernel 3.4.
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parents:
diff changeset
   285
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
static void e1000_toggle_lanphypc_value_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
	u32 ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
	ctrl = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
	ctrl |= E1000_CTRL_LANPHYPC_OVERRIDE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
	ctrl &= ~E1000_CTRL_LANPHYPC_VALUE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
	ew32(CTRL, ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
	udelay(10);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	ctrl &= ~E1000_CTRL_LANPHYPC_OVERRIDE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	ew32(CTRL, ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
 *  e1000_init_phy_params_pchlan - Initialize PHY function pointers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
 *  Initialize family-specific PHY parameters and function pointers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	phy->addr                     = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	phy->reset_delay_us           = 100;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	phy->ops.set_page             = e1000_set_page_igp;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	phy->ops.read_reg             = e1000_read_phy_reg_hv;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	phy->ops.read_reg_locked      = e1000_read_phy_reg_hv_locked;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	phy->ops.read_reg_page        = e1000_read_phy_reg_page_hv;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	phy->ops.set_d0_lplu_state    = e1000_set_lplu_state_pchlan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	phy->ops.set_d3_lplu_state    = e1000_set_lplu_state_pchlan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	phy->ops.write_reg            = e1000_write_phy_reg_hv;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	phy->ops.write_reg_locked     = e1000_write_phy_reg_hv_locked;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
	phy->ops.write_reg_page       = e1000_write_phy_reg_page_hv;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
	phy->ops.power_up             = e1000_power_up_phy_copper;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
	phy->ops.power_down           = e1000_power_down_phy_copper_ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
	phy->autoneg_mask             = AUTONEG_ADVERTISE_SPEED_DEFAULT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	if (!hw->phy.ops.check_reset_block(hw)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		u32 fwsm = er32(FWSM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		 * The MAC-PHY interconnect may still be in SMBus mode after
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		 * Sx->S0.  If resetting the PHY is not blocked, toggle the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		 * LANPHYPC Value bit to force the interconnect to PCIe mode.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		e1000_toggle_lanphypc_value_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		msleep(50);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
		 * Gate automatic PHY configuration by hardware on
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		 * non-managed 82579
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		if ((hw->mac.type == e1000_pch2lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		    !(fwsm & E1000_ICH_FWSM_FW_VALID))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
			e1000_gate_hw_phy_config_ich8lan(hw, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		 * Reset the PHY before any access to it.  Doing so, ensures
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
		 * that the PHY is in a known good state before we read/write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
		 * PHY registers.  The generic reset is sufficient here,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
		 * because we haven't determined the PHY type yet.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
		ret_val = e1000e_phy_hw_reset_generic(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
		/* Ungate automatic PHY configuration on non-managed 82579 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
		if ((hw->mac.type == e1000_pch2lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
		    !(fwsm & E1000_ICH_FWSM_FW_VALID)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
			usleep_range(10000, 20000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
			e1000_gate_hw_phy_config_ich8lan(hw, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
	phy->id = e1000_phy_unknown;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
	switch (hw->mac.type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
		ret_val = e1000e_get_phy_id(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		if ((phy->id != 0) && (phy->id != PHY_REVISION_MASK))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
		/* fall-through */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
	case e1000_pch2lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
		 * In case the PHY needs to be in mdio slow mode,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
		 * set slow mode and try to get the PHY id again.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
		ret_val = e1000_set_mdio_slow_mode_hv(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
		ret_val = e1000e_get_phy_id(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
	phy->type = e1000e_get_phy_type_from_id(phy->id);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
	switch (phy->type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
	case e1000_phy_82577:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
	case e1000_phy_82579:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		phy->ops.check_polarity = e1000_check_polarity_82577;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		phy->ops.force_speed_duplex =
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		    e1000_phy_force_speed_duplex_82577;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
		phy->ops.get_cable_length = e1000_get_cable_length_82577;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		phy->ops.get_info = e1000_get_phy_info_82577;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		phy->ops.commit = e1000e_phy_sw_reset;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
	case e1000_phy_82578:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		phy->ops.check_polarity = e1000_check_polarity_m88;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
		phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
		phy->ops.get_cable_length = e1000e_get_cable_length_m88;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		phy->ops.get_info = e1000e_get_phy_info_m88;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
		ret_val = -E1000_ERR_PHY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
 *  e1000_init_phy_params_ich8lan - Initialize PHY function pointers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
 *  Initialize family-specific PHY parameters and function pointers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	u16 i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	phy->addr			= 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	phy->reset_delay_us		= 100;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
	phy->ops.power_up               = e1000_power_up_phy_copper;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	phy->ops.power_down             = e1000_power_down_phy_copper_ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	 * We may need to do this twice - once for IGP and if that fails,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	 * we'll set BM func pointers and try again
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	ret_val = e1000e_determine_phy_address(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
		phy->ops.write_reg = e1000e_write_phy_reg_bm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
		phy->ops.read_reg  = e1000e_read_phy_reg_bm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
		ret_val = e1000e_determine_phy_address(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
		if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
			e_dbg("Cannot determine PHY addr. Erroring out\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
	phy->id = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	while ((e1000_phy_unknown == e1000e_get_phy_type_from_id(phy->id)) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	       (i++ < 100)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
		usleep_range(1000, 2000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		ret_val = e1000e_get_phy_id(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	/* Verify phy id */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	switch (phy->id) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
	case IGP03E1000_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
		phy->type = e1000_phy_igp_3;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
		phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
		phy->ops.read_reg_locked = e1000e_read_phy_reg_igp_locked;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		phy->ops.write_reg_locked = e1000e_write_phy_reg_igp_locked;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
		phy->ops.get_info = e1000e_get_phy_info_igp;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		phy->ops.check_polarity = e1000_check_polarity_igp;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_igp;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
	case IFE_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	case IFE_PLUS_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	case IFE_C_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
		phy->type = e1000_phy_ife;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
		phy->autoneg_mask = E1000_ALL_NOT_GIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
		phy->ops.get_info = e1000_get_phy_info_ife;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		phy->ops.check_polarity = e1000_check_polarity_ife;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
		phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_ife;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	case BME1000_E_PHY_ID:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		phy->type = e1000_phy_bm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
		phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		phy->ops.read_reg = e1000e_read_phy_reg_bm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		phy->ops.write_reg = e1000e_write_phy_reg_bm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		phy->ops.commit = e1000e_phy_sw_reset;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		phy->ops.get_info = e1000e_get_phy_info_m88;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		phy->ops.check_polarity = e1000_check_polarity_m88;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		return -E1000_ERR_PHY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
 *  e1000_init_nvm_params_ich8lan - Initialize NVM function pointers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
 *  Initialize family-specific NVM parameters and function
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
 *  pointers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	struct e1000_nvm_info *nvm = &hw->nvm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	u32 gfpreg, sector_base_addr, sector_end_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
	u16 i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
	/* Can't read flash registers if the register set isn't mapped. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
	if (!hw->flash_address) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
		e_dbg("ERROR: Flash registers not mapped\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		return -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
	nvm->type = e1000_nvm_flash_sw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	gfpreg = er32flash(ICH_FLASH_GFPREG);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	 * sector_X_addr is a "sector"-aligned address (4096 bytes)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	 * Add 1 to sector_end_addr since this sector is included in
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	 * the overall size.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	/* flash_base_addr is byte-aligned */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	nvm->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	 * find total size of the NVM, then cut in half since the total
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	 * size represents two separate NVM banks.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	nvm->flash_bank_size = (sector_end_addr - sector_base_addr)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
				<< FLASH_SECTOR_ADDR_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	nvm->flash_bank_size /= 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	/* Adjust to word count */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	nvm->flash_bank_size /= sizeof(u16);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	nvm->word_size = E1000_ICH8_SHADOW_RAM_WORDS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	/* Clear shadow ram */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	for (i = 0; i < nvm->word_size; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
		dev_spec->shadow_ram[i].modified = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
		dev_spec->shadow_ram[i].value    = 0xFFFF;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
 *  e1000_init_mac_params_ich8lan - Initialize MAC function pointers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
 *  Initialize family-specific MAC parameters and function
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
 *  pointers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
static s32 e1000_init_mac_params_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	struct e1000_mac_info *mac = &hw->mac;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	/* Set media type function pointer */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	hw->phy.media_type = e1000_media_type_copper;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	/* Set mta register count */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	mac->mta_reg_count = 32;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
	/* Set rar entry count */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	mac->rar_entry_count = E1000_ICH_RAR_ENTRIES;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	if (mac->type == e1000_ich8lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
		mac->rar_entry_count--;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	/* FWSM register */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	mac->has_fwsm = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	/* ARC subsystem not supported */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	mac->arc_subsystem_valid = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	/* Adaptive IFS supported */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	mac->adaptive_ifs = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	/* LED operations */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	switch (mac->type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	case e1000_ich8lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	case e1000_ich9lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	case e1000_ich10lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
		/* check management mode */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
		mac->ops.check_mng_mode = e1000_check_mng_mode_ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
		/* ID LED init */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
		mac->ops.id_led_init = e1000e_id_led_init_generic;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
		/* blink LED */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
		mac->ops.blink_led = e1000e_blink_led_generic;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
		/* setup LED */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		mac->ops.setup_led = e1000e_setup_led_generic;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		/* cleanup LED */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		mac->ops.cleanup_led = e1000_cleanup_led_ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		/* turn on/off LED */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
		mac->ops.led_on = e1000_led_on_ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		mac->ops.led_off = e1000_led_off_ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	case e1000_pchlan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	case e1000_pch2lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
		/* check management mode */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
		mac->ops.check_mng_mode = e1000_check_mng_mode_pchlan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		/* ID LED init */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
		mac->ops.id_led_init = e1000_id_led_init_pchlan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		/* setup LED */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
		mac->ops.setup_led = e1000_setup_led_pchlan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		/* cleanup LED */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		mac->ops.cleanup_led = e1000_cleanup_led_pchlan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
		/* turn on/off LED */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
		mac->ops.led_on = e1000_led_on_pchlan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
		mac->ops.led_off = e1000_led_off_pchlan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	/* Enable PCS Lock-loss workaround for ICH8 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	if (mac->type == e1000_ich8lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	/* Gate automatic PHY configuration by hardware on managed 82579 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	if ((mac->type == e1000_pch2lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	    (er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
		e1000_gate_hw_phy_config_ich8lan(hw, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
 *  e1000_set_eee_pchlan - Enable/disable EEE support
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
 *  Enable/disable EEE based on setting in dev_spec structure.  The bits in
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
 *  the LPI Control register will remain set only if/when link is up.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
static s32 e1000_set_eee_pchlan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	u16 phy_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
	if (hw->phy.type != e1000_phy_82579)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	if (hw->dev_spec.ich8lan.eee_disable)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		phy_reg &= ~I82579_LPI_CTRL_ENABLE_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		phy_reg |= I82579_LPI_CTRL_ENABLE_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	return e1e_wphy(hw, I82579_LPI_CTRL, phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
 *  e1000_check_for_copper_link_ich8lan - Check for link (Copper)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
 *  Checks to see of the link status of the hardware has changed.  If a
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
 *  change in link status has been detected, then we read the PHY registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
 *  to get the current speed/duplex if link exists.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
	struct e1000_mac_info *mac = &hw->mac;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	u16 phy_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	 * We only want to go out to the PHY registers to see if Auto-Neg
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
	 * has completed and/or if our link status has changed.  The
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	 * get_link_status flag is set upon receiving a Link Status
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
	 * Change or Rx Sequence Error interrupt.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	if (!mac->get_link_status)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
	 * First we want to see if the MII Status Register reports
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
	 * link.  If so, then we want to get the current speed/duplex
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	 * of the PHY.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	if (hw->mac.type == e1000_pchlan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		ret_val = e1000_k1_gig_workaround_hv(hw, link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	if (!link)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		return 0; /* No link detected */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	mac->get_link_status = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	switch (hw->mac.type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	case e1000_pch2lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
		ret_val = e1000_k1_workaround_lv(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		/* fall-thru */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	case e1000_pchlan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		if (hw->phy.type == e1000_phy_82578) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
			ret_val = e1000_link_stall_workaround_hv(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		 * Workaround for PCHx parts in half-duplex:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
		 * Set the number of preambles removed from the packet
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
		 * when it is passed from the PHY to the MAC to prevent
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
		 * the MAC from misinterpreting the packet type.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
		e1e_rphy(hw, HV_KMRN_FIFO_CTRLSTA, &phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
		phy_reg &= ~HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
		if ((er32(STATUS) & E1000_STATUS_FD) != E1000_STATUS_FD)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
			phy_reg |= (1 << HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
		e1e_wphy(hw, HV_KMRN_FIFO_CTRLSTA, phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	 * Check if there was DownShift, must be checked
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	 * immediately after link-up
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	e1000e_check_downshift(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	/* Enable/Disable EEE after link up */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	ret_val = e1000_set_eee_pchlan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	 * If we are forcing speed/duplex, then we simply return since
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	 * we have already determined whether we have link or not.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	if (!mac->autoneg)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		return -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	 * Auto-Neg is enabled.  Auto Speed Detection takes care
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
	 * of MAC speed/duplex configuration.  So we only need to
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	 * configure Collision Distance in the MAC.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	mac->ops.config_collision_dist(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
	 * Configure Flow Control now that Auto-Neg has completed.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	 * First, we need to restore the desired flow control
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	 * settings because we may have had to re-autoneg with a
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	 * different link partner.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	ret_val = e1000e_config_fc_after_link_up(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
		e_dbg("Error configuring flow control\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	struct e1000_hw *hw = &adapter->hw;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	s32 rc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	rc = e1000_init_mac_params_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	if (rc)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		return rc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	rc = e1000_init_nvm_params_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	if (rc)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		return rc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	switch (hw->mac.type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	case e1000_ich8lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	case e1000_ich9lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	case e1000_ich10lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
		rc = e1000_init_phy_params_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	case e1000_pchlan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
	case e1000_pch2lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
		rc = e1000_init_phy_params_pchlan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	if (rc)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
		return rc;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	 * Disable Jumbo Frame support on parts with Intel 10/100 PHY or
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	 * on parts with MACsec enabled in NVM (reflected in CTRL_EXT).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	if ((adapter->hw.phy.type == e1000_phy_ife) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	    ((adapter->hw.mac.type >= e1000_pch2lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
	     (!(er32(CTRL_EXT) & E1000_CTRL_EXT_LSECCK)))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		adapter->flags &= ~FLAG_HAS_JUMBO_FRAMES;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		adapter->max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		hw->mac.ops.blink_led = NULL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
	if ((adapter->hw.mac.type == e1000_ich8lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
	    (adapter->hw.phy.type != e1000_phy_ife))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		adapter->flags |= FLAG_LSC_GIG_SPEED_DROP;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	/* Enable workaround for 82579 w/ ME enabled */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	if ((adapter->hw.mac.type == e1000_pch2lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	    (er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		adapter->flags2 |= FLAG2_PCIM2PCI_ARBITER_WA;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	/* Disable EEE by default until IEEE802.3az spec is finalized */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	if (adapter->flags2 & FLAG2_HAS_EEE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		adapter->hw.dev_spec.ich8lan.eee_disable = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
static DEFINE_MUTEX(nvm_mutex);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
 *  e1000_acquire_nvm_ich8lan - Acquire NVM mutex
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
 *  Acquires the mutex for performing NVM operations.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
	mutex_lock(&nvm_mutex);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
 *  e1000_release_nvm_ich8lan - Release NVM mutex
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
 *  Releases the mutex used while performing NVM operations.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
static void e1000_release_nvm_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	mutex_unlock(&nvm_mutex);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
 *  e1000_acquire_swflag_ich8lan - Acquire software control flag
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
 *  Acquires the software control flag for performing PHY and select
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
 *  MAC CSR accesses.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
	u32 extcnf_ctrl, timeout = PHY_CFG_TIMEOUT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
	if (test_and_set_bit(__E1000_ACCESS_SHARED_RESOURCE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
			     &hw->adapter->state)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
		e_dbg("contention for Phy access\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		return -E1000_ERR_PHY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
	while (timeout) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
		extcnf_ctrl = er32(EXTCNF_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
		if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
		mdelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		timeout--;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	if (!timeout) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		e_dbg("SW has already locked the resource.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		ret_val = -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	timeout = SW_FLAG_TIMEOUT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	ew32(EXTCNF_CTRL, extcnf_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	while (timeout) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		extcnf_ctrl = er32(EXTCNF_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
		mdelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		timeout--;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	if (!timeout) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		e_dbg("Failed to acquire the semaphore, FW or HW has it: FWSM=0x%8.8x EXTCNF_CTRL=0x%8.8x)\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
		      er32(FWSM), extcnf_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
		ew32(EXTCNF_CTRL, extcnf_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
		ret_val = -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
		goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
out:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
		clear_bit(__E1000_ACCESS_SHARED_RESOURCE, &hw->adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
 *  e1000_release_swflag_ich8lan - Release software control flag
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
 *  Releases the software control flag for performing PHY and select
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
 *  MAC CSR accesses.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
static void e1000_release_swflag_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	u32 extcnf_ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	extcnf_ctrl = er32(EXTCNF_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
		extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
		ew32(EXTCNF_CTRL, extcnf_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
		e_dbg("Semaphore unexpectedly released by sw/fw/hw\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	clear_bit(__E1000_ACCESS_SHARED_RESOURCE, &hw->adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
 *  e1000_check_mng_mode_ich8lan - Checks management mode
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
 *  This checks if the adapter has any manageability enabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
 *  This is a function pointer entry point only called by read/write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
 *  routines for the PHY and NVM parts.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	u32 fwsm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	fwsm = er32(FWSM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	return (fwsm & E1000_ICH_FWSM_FW_VALID) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	       ((fwsm & E1000_FWSM_MODE_MASK) ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		(E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
 *  e1000_check_mng_mode_pchlan - Checks management mode
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
 *  This checks if the adapter has iAMT enabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
 *  This is a function pointer entry point only called by read/write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
 *  routines for the PHY and NVM parts.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	u32 fwsm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	fwsm = er32(FWSM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	return (fwsm & E1000_ICH_FWSM_FW_VALID) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	       (fwsm & (E1000_ICH_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
 *  e1000_check_reset_block_ich8lan - Check if PHY reset is blocked
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
 *  Checks if firmware is blocking the reset of the PHY.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
 *  This is a function pointer entry point only called by
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
 *  reset routines.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	u32 fwsm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	fwsm = er32(FWSM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	return (fwsm & E1000_ICH_FWSM_RSPCIPHY) ? 0 : E1000_BLK_PHY_RESET;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
 *  e1000_write_smbus_addr - Write SMBus address to PHY needed during Sx states
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
 *  Assumes semaphore already acquired.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
static s32 e1000_write_smbus_addr(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	u32 strap = er32(STRAP);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	strap &= E1000_STRAP_SMBUS_ADDRESS_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	ret_val = e1000_read_phy_reg_hv_locked(hw, HV_SMB_ADDR, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	phy_data &= ~HV_SMB_ADDR_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	phy_data |= (strap >> E1000_STRAP_SMBUS_ADDRESS_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
	phy_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	return e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
 *  e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
 *  @hw:   pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
 *  SW should configure the LCD from the NVM extended configuration region
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
 *  as a workaround for certain parts.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
	u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	u16 word_addr, reg_data, reg_addr, phy_page = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	 * Initialize the PHY from the NVM on ICH platforms.  This
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	 * is needed due to an issue where the NVM configuration is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	 * not properly autoloaded after power transitions.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	 * Therefore, after each PHY reset, we will load the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	 * configuration data out of the NVM manually.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	switch (hw->mac.type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	case e1000_ich8lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		if (phy->type != e1000_phy_igp_3)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		if ((hw->adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_AMT) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		    (hw->adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_C)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
			sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		/* Fall-thru */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	case e1000_pchlan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	case e1000_pch2lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	data = er32(FEXTNVM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	if (!(data & sw_cfg_mask))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	 * Make sure HW does not configure LCD from PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	 * extended configuration before SW configuration
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	data = er32(EXTCNF_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	if (!(hw->mac.type == e1000_pch2lan)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	cnf_size = er32(EXTCNF_SIZE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	if (!cnf_size)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	if ((!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	    (hw->mac.type == e1000_pchlan)) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	     (hw->mac.type == e1000_pch2lan)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
		 * HW configures the SMBus address and LEDs when the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		 * OEM and LCD Write Enable bits are set in the NVM.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		 * When both NVM bits are cleared, SW will configure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
		 * them instead.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		ret_val = e1000_write_smbus_addr(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		data = er32(LEDCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		ret_val = e1000_write_phy_reg_hv_locked(hw, HV_LED_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
							(u16)data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	/* Configure LCD from extended configuration region. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	/* cnf_base_addr is in DWORD */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
	word_addr = (u16)(cnf_base_addr << 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
	for (i = 0; i < cnf_size; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
					 &reg_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
					 1, &reg_addr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
		/* Save off the PHY page for future writes. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
		if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
			phy_page = reg_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
			continue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		reg_addr &= PHY_REG_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		reg_addr |= phy_page;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		ret_val = phy->ops.write_reg_locked(hw, (u32)reg_addr,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
						    reg_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
 *  e1000_k1_gig_workaround_hv - K1 Si workaround
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
 *  @hw:   pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
 *  @link: link up bool flag
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
 *  If K1 is enabled for 1Gbps, the MAC might stall when transitioning
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
 *  from a lower speed.  This workaround disables K1 whenever link is at 1Gig
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
 *  If link is down, the function will restore the default K1 setting located
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
 *  in the NVM.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
	u16 status_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
	bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
	if (hw->mac.type != e1000_pchlan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	/* Wrap the whole flow with the sw flag */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
	/* Disable K1 when link is 1Gbps, otherwise use the NVM setting */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
	if (link) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		if (hw->phy.type == e1000_phy_82578) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
			ret_val = hw->phy.ops.read_reg_locked(hw, BM_CS_STATUS,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
			                                          &status_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
				goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
			status_reg &= BM_CS_STATUS_LINK_UP |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
			              BM_CS_STATUS_RESOLVED |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
			              BM_CS_STATUS_SPEED_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			if (status_reg == (BM_CS_STATUS_LINK_UP |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
			                   BM_CS_STATUS_RESOLVED |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
			                   BM_CS_STATUS_SPEED_1000))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
				k1_enable = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		if (hw->phy.type == e1000_phy_82577) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
			ret_val = hw->phy.ops.read_reg_locked(hw, HV_M_STATUS,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
			                                          &status_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
				goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
			status_reg &= HV_M_STATUS_LINK_UP |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
			              HV_M_STATUS_AUTONEG_COMPLETE |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
			              HV_M_STATUS_SPEED_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
			if (status_reg == (HV_M_STATUS_LINK_UP |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
			                   HV_M_STATUS_AUTONEG_COMPLETE |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
			                   HV_M_STATUS_SPEED_1000))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
				k1_enable = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
		/* Link stall fix for link up */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		ret_val = hw->phy.ops.write_reg_locked(hw, PHY_REG(770, 19),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		                                           0x0100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
		/* Link stall fix for link down */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
		ret_val = hw->phy.ops.write_reg_locked(hw, PHY_REG(770, 19),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		                                           0x4100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	ret_val = e1000_configure_k1_ich8lan(hw, k1_enable);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
 *  e1000_configure_k1_ich8lan - Configure K1 power state
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
 *  @enable: K1 state to configure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
 *  Configure the K1 power state based on the provided parameter.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
 *  Assumes semaphore already acquired.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
 *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	u32 ctrl_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	u32 ctrl_ext = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	u32 reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	u16 kmrn_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	ret_val = e1000e_read_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
					      &kmrn_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
	if (k1_enable)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		kmrn_reg &= ~E1000_KMRNCTRLSTA_K1_ENABLE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
	ret_val = e1000e_write_kmrn_reg_locked(hw, E1000_KMRNCTRLSTA_K1_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
					       kmrn_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	udelay(20);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	ctrl_ext = er32(CTRL_EXT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	ctrl_reg = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
	reg = ctrl_reg & ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	reg |= E1000_CTRL_FRCSPD;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	ew32(CTRL, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	udelay(20);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	ew32(CTRL, ctrl_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	ew32(CTRL_EXT, ctrl_ext);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	udelay(20);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
 *  e1000_oem_bits_config_ich8lan - SW-based LCD Configuration
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
 *  @hw:       pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
 *  @d0_state: boolean if entering d0 or d3 device state
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
 *  SW will configure Gbe Disable and LPLU based on the NVM. The four bits are
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
 *  collectively called OEM bits.  The OEM Write Enable bit and SW Config bit
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
 *  in NVM determines whether HW should configure LPLU and Gbe Disable.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	u32 mac_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
	u16 oem_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	if ((hw->mac.type != e1000_pch2lan) && (hw->mac.type != e1000_pchlan))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	if (!(hw->mac.type == e1000_pch2lan)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
		mac_reg = er32(EXTCNF_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
		if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	mac_reg = er32(FEXTNVM);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	mac_reg = er32(PHY_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	ret_val = hw->phy.ops.read_reg_locked(hw, HV_OEM_BITS, &oem_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	if (d0_state) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		if (mac_reg & E1000_PHY_CTRL_GBE_DISABLE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
			oem_reg |= HV_OEM_BITS_GBE_DIS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
		if (mac_reg & E1000_PHY_CTRL_D0A_LPLU)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
			oem_reg |= HV_OEM_BITS_LPLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
		if (mac_reg & (E1000_PHY_CTRL_GBE_DISABLE |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
			       E1000_PHY_CTRL_NOND0A_GBE_DISABLE))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
			oem_reg |= HV_OEM_BITS_GBE_DIS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
		if (mac_reg & (E1000_PHY_CTRL_D0A_LPLU |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
			       E1000_PHY_CTRL_NOND0A_LPLU))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
			oem_reg |= HV_OEM_BITS_LPLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	/* Set Restart auto-neg to activate the bits */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
	if ((d0_state || (hw->mac.type != e1000_pchlan)) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	    !hw->phy.ops.check_reset_block(hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		oem_reg |= HV_OEM_BITS_RESTART_AN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	ret_val = hw->phy.ops.write_reg_locked(hw, HV_OEM_BITS, oem_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
 *  e1000_set_mdio_slow_mode_hv - Set slow MDIO access mode
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
 *  @hw:   pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
	ret_val = e1e_rphy(hw, HV_KMRN_MODE_CTRL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	data |= HV_KMRN_MDIO_SLOW;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	ret_val = e1e_wphy(hw, HV_KMRN_MODE_CTRL, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
 *  e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
 *  done after every PHY reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	if (hw->mac.type != e1000_pchlan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	/* Set MDIO slow mode before any other MDIO access */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	if (hw->phy.type == e1000_phy_82577) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
		ret_val = e1000_set_mdio_slow_mode_hv(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	if (((hw->phy.type == e1000_phy_82577) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	     ((hw->phy.revision == 1) || (hw->phy.revision == 2))) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	    ((hw->phy.type == e1000_phy_82578) && (hw->phy.revision == 1))) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
		/* Disable generation of early preamble */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
		ret_val = e1e_wphy(hw, PHY_REG(769, 25), 0x4431);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
		/* Preamble tuning for SSC */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
		ret_val = e1e_wphy(hw, HV_KMRN_FIFO_CTRLSTA, 0xA204);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	if (hw->phy.type == e1000_phy_82578) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
		 * Return registers to default by doing a soft reset then
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
		 * writing 0x3140 to the control register.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
		if (hw->phy.revision < 2) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
			e1000e_phy_sw_reset(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
			ret_val = e1e_wphy(hw, PHY_CONTROL, 0x3140);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	/* Select page 0 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	hw->phy.addr = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	 * Configure the K1 Si workaround during phy reset assuming there is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	 * link so that it disables K1 if link is in 1Gbps.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	ret_val = e1000_k1_gig_workaround_hv(hw, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	/* Workaround for link disconnects on a busy hub in half duplex */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	ret_val = hw->phy.ops.read_reg_locked(hw, BM_PORT_GEN_CFG, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	ret_val = hw->phy.ops.write_reg_locked(hw, BM_PORT_GEN_CFG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
					       phy_data & 0x00FF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
 *  e1000_copy_rx_addrs_to_phy_ich8lan - Copy Rx addresses from MAC to PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
 *  @hw:   pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	u32 mac_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
	u16 i, phy_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	ret_val = e1000_enable_phy_wakeup_reg_access_bm(hw, &phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	/* Copy both RAL/H (rar_entry_count) and SHRAL/H (+4) to PHY */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	for (i = 0; i < (hw->mac.rar_entry_count + 4); i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
		mac_reg = er32(RAL(i));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
		hw->phy.ops.write_reg_page(hw, BM_RAR_L(i),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
					   (u16)(mac_reg & 0xFFFF));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
		hw->phy.ops.write_reg_page(hw, BM_RAR_M(i),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
					   (u16)((mac_reg >> 16) & 0xFFFF));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
		mac_reg = er32(RAH(i));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
		hw->phy.ops.write_reg_page(hw, BM_RAR_H(i),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
					   (u16)(mac_reg & 0xFFFF));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
		hw->phy.ops.write_reg_page(hw, BM_RAR_CTRL(i),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
					   (u16)((mac_reg & E1000_RAH_AV)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
						 >> 16));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	e1000_disable_phy_wakeup_reg_access_bm(hw, &phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
 *  e1000_lv_jumbo_workaround_ich8lan - required for jumbo frame operation
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
 *  with 82579 PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
 *  @enable: flag to enable/disable workaround when enabling/disabling jumbos
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	u16 phy_reg, data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	u32 mac_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	u16 i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	if (hw->mac.type != e1000_pch2lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	/* disable Rx path while enabling/disabling workaround */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	ret_val = e1e_wphy(hw, PHY_REG(769, 20), phy_reg | (1 << 14));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	if (enable) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
		 * Write Rx addresses (rar_entry_count for RAL/H, +4 for
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
		 * SHRAL/H) and initial CRC values to the MAC
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		for (i = 0; i < (hw->mac.rar_entry_count + 4); i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
			u8 mac_addr[ETH_ALEN] = {0};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
			u32 addr_high, addr_low;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
			addr_high = er32(RAH(i));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
			if (!(addr_high & E1000_RAH_AV))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
				continue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
			addr_low = er32(RAL(i));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
			mac_addr[0] = (addr_low & 0xFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
			mac_addr[1] = ((addr_low >> 8) & 0xFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
			mac_addr[2] = ((addr_low >> 16) & 0xFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
			mac_addr[3] = ((addr_low >> 24) & 0xFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
			mac_addr[4] = (addr_high & 0xFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
			mac_addr[5] = ((addr_high >> 8) & 0xFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
			ew32(PCH_RAICC(i), ~ether_crc_le(ETH_ALEN, mac_addr));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
		/* Write Rx addresses to the PHY */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
		e1000_copy_rx_addrs_to_phy_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
		/* Enable jumbo frame workaround in the MAC */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		mac_reg = er32(FFLT_DBG);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
		mac_reg &= ~(1 << 14);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		mac_reg |= (7 << 15);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
		ew32(FFLT_DBG, mac_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
		mac_reg = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
		mac_reg |= E1000_RCTL_SECRC;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
		ew32(RCTL, mac_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
		ret_val = e1000e_read_kmrn_reg(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
						E1000_KMRNCTRLSTA_CTRL_OFFSET,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
						&data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
		ret_val = e1000e_write_kmrn_reg(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
						E1000_KMRNCTRLSTA_CTRL_OFFSET,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
						data | (1 << 0));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		ret_val = e1000e_read_kmrn_reg(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
						E1000_KMRNCTRLSTA_HD_CTRL,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
						&data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		data &= ~(0xF << 8);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		data |= (0xB << 8);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		ret_val = e1000e_write_kmrn_reg(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
						E1000_KMRNCTRLSTA_HD_CTRL,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
						data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
		/* Enable jumbo frame workaround in the PHY */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		e1e_rphy(hw, PHY_REG(769, 23), &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
		data &= ~(0x7F << 5);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
		data |= (0x37 << 5);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
		ret_val = e1e_wphy(hw, PHY_REG(769, 23), data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		e1e_rphy(hw, PHY_REG(769, 16), &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
		data &= ~(1 << 13);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		ret_val = e1e_wphy(hw, PHY_REG(769, 16), data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
		e1e_rphy(hw, PHY_REG(776, 20), &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
		data &= ~(0x3FF << 2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
		data |= (0x1A << 2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
		ret_val = e1e_wphy(hw, PHY_REG(776, 20), data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0xF100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
		e1e_rphy(hw, HV_PM_CTRL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
		ret_val = e1e_wphy(hw, HV_PM_CTRL, data | (1 << 10));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		/* Write MAC register values back to h/w defaults */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		mac_reg = er32(FFLT_DBG);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		mac_reg &= ~(0xF << 14);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		ew32(FFLT_DBG, mac_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
		mac_reg = er32(RCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
		mac_reg &= ~E1000_RCTL_SECRC;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		ew32(RCTL, mac_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		ret_val = e1000e_read_kmrn_reg(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
						E1000_KMRNCTRLSTA_CTRL_OFFSET,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
						&data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		ret_val = e1000e_write_kmrn_reg(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
						E1000_KMRNCTRLSTA_CTRL_OFFSET,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
						data & ~(1 << 0));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		ret_val = e1000e_read_kmrn_reg(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
						E1000_KMRNCTRLSTA_HD_CTRL,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
						&data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		data &= ~(0xF << 8);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		data |= (0xB << 8);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
		ret_val = e1000e_write_kmrn_reg(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
						E1000_KMRNCTRLSTA_HD_CTRL,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
						data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
		/* Write PHY register values back to h/w defaults */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
		e1e_rphy(hw, PHY_REG(769, 23), &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
		data &= ~(0x7F << 5);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		ret_val = e1e_wphy(hw, PHY_REG(769, 23), data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		e1e_rphy(hw, PHY_REG(769, 16), &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		data |= (1 << 13);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		ret_val = e1e_wphy(hw, PHY_REG(769, 16), data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		e1e_rphy(hw, PHY_REG(776, 20), &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		data &= ~(0x3FF << 2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		data |= (0x8 << 2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		ret_val = e1e_wphy(hw, PHY_REG(776, 20), data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		ret_val = e1e_wphy(hw, PHY_REG(776, 23), 0x7E00);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		e1e_rphy(hw, HV_PM_CTRL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		ret_val = e1e_wphy(hw, HV_PM_CTRL, data & ~(1 << 10));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	/* re-enable Rx path after enabling/disabling workaround */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	return e1e_wphy(hw, PHY_REG(769, 20), phy_reg & ~(1 << 14));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
 *  e1000_lv_phy_workarounds_ich8lan - A series of Phy workarounds to be
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
 *  done after every PHY reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
static s32 e1000_lv_phy_workarounds_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	if (hw->mac.type != e1000_pch2lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	/* Set MDIO slow mode before any other MDIO access */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	ret_val = e1000_set_mdio_slow_mode_hv(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_ADDR,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
					       I82579_MSE_THRESHOLD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	/* set MSE higher to enable link to stay up when noise is high */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_DATA, 0x0034);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_ADDR,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
					       I82579_MSE_LINK_DOWN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	/* drop link after 5 times MSE threshold was reached */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_DATA, 0x0005);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
 *  e1000_k1_gig_workaround_lv - K1 Si workaround
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
 *  @hw:   pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
 *  Workaround to set the K1 beacon duration for 82579 parts
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
static s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	u16 status_reg = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	u32 mac_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	u16 phy_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	if (hw->mac.type != e1000_pch2lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	/* Set K1 beacon duration based on 1Gbps speed or otherwise */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	ret_val = e1e_rphy(hw, HV_M_STATUS, &status_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	    == (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
		mac_reg = er32(FEXTNVM4);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
		ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
		if (status_reg & HV_M_STATUS_SPEED_1000) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
			mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
			phy_reg &= ~I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
			mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_16USEC;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
			phy_reg |= I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
		ew32(FEXTNVM4, mac_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
		ret_val = e1e_wphy(hw, I82579_LPI_CTRL, phy_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
 *  e1000_gate_hw_phy_config_ich8lan - disable PHY config via hardware
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
 *  @hw:   pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
 *  @gate: boolean set to true to gate, false to ungate
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
 *  Gate/ungate the automatic PHY configuration via hardware; perform
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
 *  the configuration via software instead.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	u32 extcnf_ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	if (hw->mac.type != e1000_pch2lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	extcnf_ctrl = er32(EXTCNF_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	if (gate)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		extcnf_ctrl |= E1000_EXTCNF_CTRL_GATE_PHY_CFG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		extcnf_ctrl &= ~E1000_EXTCNF_CTRL_GATE_PHY_CFG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	ew32(EXTCNF_CTRL, extcnf_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
 *  e1000_lan_init_done_ich8lan - Check for PHY config completion
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
 *  Check the appropriate indication the MAC has finished configuring the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
 *  PHY after a software reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	u32 data, loop = E1000_ICH8_LAN_INIT_TIMEOUT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	/* Wait for basic configuration completes before proceeding */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	do {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		data = er32(STATUS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		data &= E1000_STATUS_LAN_INIT_DONE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
		udelay(100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
	} while ((!data) && --loop);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	 * If basic configuration is incomplete before the above loop
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	 * count reaches 0, loading the configuration from NVM will
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	 * leave the PHY in a bad state possibly resulting in no link.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	if (loop == 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		e_dbg("LAN_INIT_DONE not set, increase timeout\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	/* Clear the Init Done bit for the next init event */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	data = er32(STATUS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	data &= ~E1000_STATUS_LAN_INIT_DONE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	ew32(STATUS, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
 *  e1000_post_phy_reset_ich8lan - Perform steps required after a PHY reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	u16 reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
	if (hw->phy.ops.check_reset_block(hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	/* Allow time for h/w to get to quiescent state after reset */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	usleep_range(10000, 20000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	/* Perform any necessary post-reset workarounds */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	switch (hw->mac.type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	case e1000_pchlan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		ret_val = e1000_hv_phy_workarounds_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	case e1000_pch2lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
		ret_val = e1000_lv_phy_workarounds_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	/* Clear the host wakeup bit after lcd reset */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	if (hw->mac.type >= e1000_pchlan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
		e1e_rphy(hw, BM_PORT_GEN_CFG, &reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		reg &= ~BM_WUC_HOST_WU_BIT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		e1e_wphy(hw, BM_PORT_GEN_CFG, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	/* Configure the LCD with the extended configuration region in NVM */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	ret_val = e1000_sw_lcd_config_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	/* Configure the LCD with the OEM bits in NVM */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	ret_val = e1000_oem_bits_config_ich8lan(hw, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	if (hw->mac.type == e1000_pch2lan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
		/* Ungate automatic PHY configuration on non-managed 82579 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
			usleep_range(10000, 20000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
			e1000_gate_hw_phy_config_ich8lan(hw, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
		/* Set EEE LPI Update Timer to 200usec */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
		ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
		ret_val = hw->phy.ops.write_reg_locked(hw, I82579_EMI_ADDR,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
						       I82579_LPI_UPDATE_TIMER);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
		if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
			ret_val = hw->phy.ops.write_reg_locked(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
							       I82579_EMI_DATA,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
							       0x1387);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
		hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
 *  e1000_phy_hw_reset_ich8lan - Performs a PHY reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
 *  Resets the PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
 *  This is a function pointer entry point called by drivers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
 *  or other shared routines.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	/* Gate automatic PHY configuration by hardware on non-managed 82579 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	if ((hw->mac.type == e1000_pch2lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	    !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		e1000_gate_hw_phy_config_ich8lan(hw, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	ret_val = e1000e_phy_hw_reset_generic(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	return e1000_post_phy_reset_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
 *  e1000_set_lplu_state_pchlan - Set Low Power Link Up state
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
 *  @active: true to enable LPLU, false to disable
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
 *  Sets the LPLU state according to the active flag.  For PCH, if OEM write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
 *  bit are disabled in the NVM, writing the LPLU bits in the MAC will not set
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
 *  the phy speed. This function will manually set the LPLU bit and restart
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
 *  auto-neg as hw would do. D3 and D0 LPLU will call the same function
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
 *  since it configures the same bit.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	u16 oem_reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
	ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	if (active)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
		oem_reg |= HV_OEM_BITS_LPLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
		oem_reg &= ~HV_OEM_BITS_LPLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	if (!hw->phy.ops.check_reset_block(hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		oem_reg |= HV_OEM_BITS_RESTART_AN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	return e1e_wphy(hw, HV_OEM_BITS, oem_reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
 *  e1000_set_d0_lplu_state_ich8lan - Set Low Power Linkup D0 state
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
 *  @active: true to enable LPLU, false to disable
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 *  Sets the LPLU D0 state according to the active flag.  When
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
 *  activating LPLU this function also disables smart speed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
 *  and vice versa.  LPLU will not be activated unless the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
 *  device autonegotiation advertisement meets standards of
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
 *  either 10 or 10/100 or 10/100/1000 at all duplexes.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
 *  This is a function pointer entry point only called by
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
 *  PHY setup routines.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
	u32 phy_ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	if (phy->type == e1000_phy_ife)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	phy_ctrl = er32(PHY_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	if (active) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
		phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
		ew32(PHY_CTRL, phy_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
		if (phy->type != e1000_phy_igp_3)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
		 * Call gig speed drop workaround on LPLU before accessing
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
		 * any PHY registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		if (hw->mac.type == e1000_ich8lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
			e1000e_gig_downshift_workaround_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		/* When LPLU is enabled, we should disable SmartSpeed */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
		data &= ~IGP01E1000_PSCFR_SMART_SPEED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
		phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
		ew32(PHY_CTRL, phy_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		if (phy->type != e1000_phy_igp_3)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		 * LPLU and SmartSpeed are mutually exclusive.  LPLU is used
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		 * during Dx states where the power conservation is most
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
		 * important.  During driver activity we should enable
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
		 * SmartSpeed, so performance is maintained.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
		if (phy->smart_speed == e1000_smart_speed_on) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
					   &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
			data |= IGP01E1000_PSCFR_SMART_SPEED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
					   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
		} else if (phy->smart_speed == e1000_smart_speed_off) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
					   &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
					   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
 *  e1000_set_d3_lplu_state_ich8lan - Set Low Power Linkup D3 state
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
 *  @active: true to enable LPLU, false to disable
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
 *  Sets the LPLU D3 state according to the active flag.  When
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 *  activating LPLU this function also disables smart speed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 *  and vice versa.  LPLU will not be activated unless the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
 *  device autonegotiation advertisement meets standards of
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
 *  either 10 or 10/100 or 10/100/1000 at all duplexes.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
 *  This is a function pointer entry point only called by
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
 *  PHY setup routines.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	struct e1000_phy_info *phy = &hw->phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	u32 phy_ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	phy_ctrl = er32(PHY_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
	if (!active) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		ew32(PHY_CTRL, phy_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		if (phy->type != e1000_phy_igp_3)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
		 * LPLU and SmartSpeed are mutually exclusive.  LPLU is used
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		 * during Dx states where the power conservation is most
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
		 * important.  During driver activity we should enable
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
		 * SmartSpeed, so performance is maintained.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
		if (phy->smart_speed == e1000_smart_speed_on) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
					   &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
			data |= IGP01E1000_PSCFR_SMART_SPEED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
					   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
		} else if (phy->smart_speed == e1000_smart_speed_off) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
			ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
					   &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
			ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
					   data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
	} else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
		   (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
		   (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
		phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
		ew32(PHY_CTRL, phy_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		if (phy->type != e1000_phy_igp_3)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		 * Call gig speed drop workaround on LPLU before accessing
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
		 * any PHY registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
		if (hw->mac.type == e1000_ich8lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
			e1000e_gig_downshift_workaround_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		/* When LPLU is enabled, we should disable SmartSpeed */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
		data &= ~IGP01E1000_PSCFR_SMART_SPEED;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
		ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
 *  e1000_valid_nvm_bank_detect_ich8lan - finds out the valid bank 0 or 1
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
 *  @bank:  pointer to the variable that returns the active bank
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
 *  Reads signature byte from the NVM using the flash access registers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
 *  Word 0x13 bits 15:14 = 10b indicate a valid signature for that bank.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
	u32 eecd;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	struct e1000_nvm_info *nvm = &hw->nvm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
	u32 bank1_offset = nvm->flash_bank_size * sizeof(u16);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
	u32 act_offset = E1000_ICH_NVM_SIG_WORD * 2 + 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	u8 sig_byte = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	switch (hw->mac.type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	case e1000_ich8lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	case e1000_ich9lan:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
		eecd = er32(EECD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
		if ((eecd & E1000_EECD_SEC1VAL_VALID_MASK) ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
		    E1000_EECD_SEC1VAL_VALID_MASK) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
			if (eecd & E1000_EECD_SEC1VAL)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
				*bank = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
				*bank = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
		e_dbg("Unable to determine valid NVM bank via EEC - reading flash signature\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
		/* fall-thru */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
		/* set bank to 0 in case flash read fails */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
		*bank = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
		/* Check bank 0 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
		ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		                                        &sig_byte);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
		if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		    E1000_ICH_NVM_SIG_VALUE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
			*bank = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
		/* Check bank 1 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
		ret_val = e1000_read_flash_byte_ich8lan(hw, act_offset +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
		                                        bank1_offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
		                                        &sig_byte);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
		if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) ==
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
		    E1000_ICH_NVM_SIG_VALUE) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
			*bank = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
		e_dbg("ERROR: No valid NVM bank present\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
		return -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
 *  e1000_read_nvm_ich8lan - Read word(s) from the NVM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
 *  @offset: The offset (in bytes) of the word(s) to read.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 *  @words: Size of data to read in words
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
 *  @data: Pointer to the word(s) to read at offset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
 *  Reads a word(s) from the NVM using the flash access registers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
				  u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	struct e1000_nvm_info *nvm = &hw->nvm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	u32 act_offset;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	u32 bank = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	u16 i, word;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	    (words == 0)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
		e_dbg("nvm parameter(s) out of bounds\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
		ret_val = -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
		goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	nvm->ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
		e_dbg("Could not detect valid bank, assuming bank 0\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
		bank = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	act_offset = (bank) ? nvm->flash_bank_size : 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	act_offset += offset;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
	for (i = 0; i < words; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
		if (dev_spec->shadow_ram[offset+i].modified) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
			data[i] = dev_spec->shadow_ram[offset+i].value;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
			ret_val = e1000_read_flash_word_ich8lan(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
								act_offset + i,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
								&word);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
			data[i] = word;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	nvm->ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
out:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
		e_dbg("NVM read error: %d\n", ret_val);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
 *  e1000_flash_cycle_init_ich8lan - Initialize flash
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
 *  This function does initial flash setup so that a new read/write/erase cycle
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
 *  can be started.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
static s32 e1000_flash_cycle_init_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	union ich8_hws_flash_status hsfsts;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	s32 ret_val = -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	/* Check if the flash descriptor is valid */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	if (hsfsts.hsf_status.fldesvalid == 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
		e_dbg("Flash descriptor invalid.  SW Sequencing must be used.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
		return -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	/* Clear FCERR and DAEL in hw status by writing 1 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	hsfsts.hsf_status.flcerr = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	hsfsts.hsf_status.dael = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
	ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	 * Either we should have a hardware SPI cycle in progress
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	 * bit to check against, in order to start a new cycle or
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	 * FDONE bit should be changed in the hardware so that it
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	 * is 1 after hardware reset, which can then be used as an
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	 * indication whether a cycle is in progress or has been
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	 * completed.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	if (hsfsts.hsf_status.flcinprog == 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
		 * There is no cycle running at present,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
		 * so we can start a cycle.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
		 * Begin by setting Flash Cycle Done.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
		hsfsts.hsf_status.flcdone = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
		ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
		ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
		s32 i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
		 * Otherwise poll for sometime so the current
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
		 * cycle has a chance to end before giving up.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
		for (i = 0; i < ICH_FLASH_READ_COMMAND_TIMEOUT; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
			hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
			if (hsfsts.hsf_status.flcinprog == 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
				ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
			udelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
		if (!ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
			 * Successful in waiting for previous cycle to timeout,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
			 * now set the Flash Cycle Done.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
			hsfsts.hsf_status.flcdone = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
			ew16flash(ICH_FLASH_HSFSTS, hsfsts.regval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
			e_dbg("Flash controller busy, cannot get access\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
 *  e1000_flash_cycle_ich8lan - Starts flash cycle (read/write/erase)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
 *  @timeout: maximum time to wait for completion
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
 *  This function starts a flash cycle and waits for its completion.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
static s32 e1000_flash_cycle_ich8lan(struct e1000_hw *hw, u32 timeout)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	union ich8_hws_flash_ctrl hsflctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	union ich8_hws_flash_status hsfsts;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	u32 i = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	/* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	hsflctl.hsf_ctrl.flcgo = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	/* wait till FDONE bit is set to 1 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	do {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
		hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
		if (hsfsts.hsf_status.flcdone == 1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
		udelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	} while (i++ < timeout);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	if (hsfsts.hsf_status.flcdone == 1 && hsfsts.hsf_status.flcerr == 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	return -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
 *  e1000_read_flash_word_ich8lan - Read word from flash
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
 *  @offset: offset to data location
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
 *  @data: pointer to the location for storing the data
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
 *  Reads the flash word at offset into data.  Offset is converted
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
 *  to bytes before read.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
static s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw, u32 offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
					 u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	/* Must convert offset into bytes. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	offset <<= 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	return e1000_read_flash_data_ich8lan(hw, offset, 2, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
 *  e1000_read_flash_byte_ich8lan - Read byte from flash
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
 *  @offset: The offset of the byte to read.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
 *  @data: Pointer to a byte to store the value read.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
 *  Reads a single byte from the NVM using the flash access registers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
static s32 e1000_read_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
					 u8 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	u16 word = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	ret_val = e1000_read_flash_data_ich8lan(hw, offset, 1, &word);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	*data = (u8)word;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
 *  e1000_read_flash_data_ich8lan - Read byte or word from NVM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
 *  @offset: The offset (in bytes) of the byte or word to read.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
 *  @size: Size of data to read, 1=byte 2=word
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
 *  @data: Pointer to the word to store the value read.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
 *  Reads a byte or word from the NVM using the flash access registers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
static s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
					 u8 size, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	union ich8_hws_flash_status hsfsts;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	union ich8_hws_flash_ctrl hsflctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	u32 flash_linear_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	u32 flash_data = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	s32 ret_val = -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	u8 count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	if (size < 1  || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		return -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
	flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
			    hw->nvm.flash_base_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	do {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		udelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
		/* Steps */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		ret_val = e1000_flash_cycle_init_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
		/* 0b/1b corresponds to 1 or 2 byte size, respectively. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		hsflctl.hsf_ctrl.fldbcount = size - 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
		hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
		ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
		ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
		ret_val = e1000_flash_cycle_ich8lan(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
						ICH_FLASH_READ_COMMAND_TIMEOUT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		 * Check if FCERR is set to 1, if set to 1, clear it
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
		 * and try the whole sequence a few more times, else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
		 * read in (shift in) the Flash Data0, the order is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
		 * least significant byte first msb to lsb
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		if (!ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
			flash_data = er32flash(ICH_FLASH_FDATA0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
			if (size == 1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
				*data = (u8)(flash_data & 0x000000FF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
			else if (size == 2)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
				*data = (u16)(flash_data & 0x0000FFFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
			 * If we've gotten here, then things are probably
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
			 * completely hosed, but if the error condition is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			 * detected, it won't hurt to give it another try...
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
			 * ICH_FLASH_CYCLE_REPEAT_COUNT times.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
			hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
			if (hsfsts.hsf_status.flcerr == 1) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
				/* Repeat for some time before giving up. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
				continue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
			} else if (hsfsts.hsf_status.flcdone == 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
				e_dbg("Timeout error - flash cycle did not complete.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
			}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	} while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
 *  e1000_write_nvm_ich8lan - Write word(s) to the NVM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
 *  @offset: The offset (in bytes) of the word(s) to write.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
 *  @words: Size of data to write in words
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
 *  @data: Pointer to the word(s) to write at offset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
 *  Writes a byte or word to the NVM using the flash access registers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
				   u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	struct e1000_nvm_info *nvm = &hw->nvm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	u16 i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	    (words == 0)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
		e_dbg("nvm parameter(s) out of bounds\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
		return -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	nvm->ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
	for (i = 0; i < words; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
		dev_spec->shadow_ram[offset+i].modified = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		dev_spec->shadow_ram[offset+i].value = data[i];
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	nvm->ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
 *  e1000_update_nvm_checksum_ich8lan - Update the checksum for NVM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
 *  The NVM checksum is updated by calling the generic update_nvm_checksum,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
 *  which writes the checksum to the shadow ram.  The changes in the shadow
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
 *  ram are then committed to the EEPROM by processing each bank at a time
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
 *  checking for the modified bit and writing only the pending changes.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
 *  After a successful commit, the shadow ram is cleared and is ready for
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
 *  future writes.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	struct e1000_nvm_info *nvm = &hw->nvm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	u32 i, act_offset, new_bank_offset, old_bank_offset, bank;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	ret_val = e1000e_update_nvm_checksum_generic(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
		goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	if (nvm->type != e1000_nvm_flash_sw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
		goto out;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	nvm->ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	 * We're writing to the opposite bank so if we're on bank 1,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
	 * write to bank 0 etc.  We also need to erase the segment that
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	 * is going to be written
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	ret_val =  e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
		e_dbg("Could not detect valid bank, assuming bank 0\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
		bank = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	if (bank == 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		new_bank_offset = nvm->flash_bank_size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		old_bank_offset = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		ret_val = e1000_erase_flash_bank_ich8lan(hw, 1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
		old_bank_offset = nvm->flash_bank_size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		new_bank_offset = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		ret_val = e1000_erase_flash_bank_ich8lan(hw, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
	for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
		 * Determine whether to write the value stored
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
		 * in the other NVM bank or a modified value stored
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
		 * in the shadow RAM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
		if (dev_spec->shadow_ram[i].modified) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
			data = dev_spec->shadow_ram[i].value;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
		} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
			ret_val = e1000_read_flash_word_ich8lan(hw, i +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
			                                        old_bank_offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
			                                        &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
		 * If the word is 0x13, then make sure the signature bits
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
		 * (15:14) are 11b until the commit has completed.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		 * This will allow us to write 10b which indicates the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
		 * signature is valid.  We want to do this after the write
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
		 * has completed so that we don't mark the segment valid
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
		 * while the write is still in progress
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
		if (i == E1000_ICH_NVM_SIG_WORD)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
			data |= E1000_ICH_NVM_SIG_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
		/* Convert offset to bytes. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		act_offset = (i + new_bank_offset) << 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
		udelay(100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
		/* Write the bytes to the new bank. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
		ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
							       act_offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
							       (u8)data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
		udelay(100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
		ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
							  act_offset + 1,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
							  (u8)(data >> 8));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	 * Don't bother writing the segment valid bits if sector
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	 * programming failed.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
		/* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		e_dbg("Flash commit failed.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
	 * Finally validate the new segment by setting bit 15:14
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	 * to 10b in word 0x13 , this can be done without an
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
	 * erase as well since these bits are 11 to start with
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	 * and we need to change bit 14 to 0b
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	data &= 0xBFFF;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
	ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
						       act_offset * 2 + 1,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
						       (u8)(data >> 8));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	 * And invalidate the previously valid segment by setting
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	 * its signature word (0x13) high_byte to 0b. This can be
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
	 * done without an erase because flash erase sets all bits
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	 * to 1's. We can write 1's to 0's without an erase
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
	/* Great!  Everything worked, we can now clear the cached entries. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
		dev_spec->shadow_ram[i].modified = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
		dev_spec->shadow_ram[i].value = 0xFFFF;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	nvm->ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	 * Reload the EEPROM, or else modifications will not appear
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	 * until after the next adapter reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
	if (!ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
		nvm->ops.reload(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
		usleep_range(10000, 20000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
out:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
		e_dbg("NVM update error: %d\n", ret_val);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
 *  e1000_validate_nvm_checksum_ich8lan - Validate EEPROM checksum
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
 *  Check to see if checksum needs to be fixed by reading bit 6 in word 0x19.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
 *  If the bit is 0, that the EEPROM had been modified, but the checksum was not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
 *  calculated, in which case we need to calculate the checksum and set bit 6.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	 * Read 0x19 and check bit 6.  If this bit is 0, the checksum
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
	 * needs to be fixed.  This bit is an indication that the NVM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
	 * was prepared by OEM software and did not calculate the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
	 * checksum...a likely scenario.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	ret_val = e1000_read_nvm(hw, 0x19, 1, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
	if ((data & 0x40) == 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
		data |= 0x40;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		ret_val = e1000_write_nvm(hw, 0x19, 1, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		ret_val = e1000e_update_nvm_checksum(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
	return e1000e_validate_nvm_checksum_generic(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
 *  e1000e_write_protect_nvm_ich8lan - Make the NVM read-only
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
 *  To prevent malicious write/erase of the NVM, set it to be read-only
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
 *  so that the hardware ignores all write/erase cycles of the NVM via
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
 *  the flash control registers.  The shadow-ram copy of the NVM will
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
 *  still be updated, however any updates to this copy will not stick
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
 *  across driver reloads.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	struct e1000_nvm_info *nvm = &hw->nvm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	union ich8_flash_protected_range pr0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	union ich8_hws_flash_status hsfsts;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	u32 gfpreg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	nvm->ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
	gfpreg = er32flash(ICH_FLASH_GFPREG);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
	/* Write-protect GbE Sector of NVM */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
	pr0.regval = er32flash(ICH_FLASH_PR0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
	pr0.range.base = gfpreg & FLASH_GFPREG_BASE_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	pr0.range.limit = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
	pr0.range.wpe = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	ew32flash(ICH_FLASH_PR0, pr0.regval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	 * Lock down a subset of GbE Flash Control Registers, e.g.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	 * PR0 to prevent the write-protection from being lifted.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	 * Once FLOCKDN is set, the registers protected by it cannot
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	 * be written until FLOCKDN is cleared by a hardware reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	hsfsts.hsf_status.flockdn = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	nvm->ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
 *  e1000_write_flash_data_ich8lan - Writes bytes to the NVM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
 *  @offset: The offset (in bytes) of the byte/word to read.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
 *  @size: Size of data to read, 1=byte 2=word
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
 *  @data: The byte(s) to write to the NVM.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
 *  Writes one/two bytes to the NVM using the flash access registers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
static s32 e1000_write_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
					  u8 size, u16 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
	union ich8_hws_flash_status hsfsts;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
	union ich8_hws_flash_ctrl hsflctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
	u32 flash_linear_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	u32 flash_data = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	u8 count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	if (size < 1 || size > 2 || data > size * 0xff ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	    offset > ICH_FLASH_LINEAR_ADDR_MASK)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		return -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	flash_linear_addr = (ICH_FLASH_LINEAR_ADDR_MASK & offset) +
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
			    hw->nvm.flash_base_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	do {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		udelay(1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
		/* Steps */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
		ret_val = e1000_flash_cycle_init_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
		hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
		/* 0b/1b corresponds to 1 or 2 byte size, respectively. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
		hsflctl.hsf_ctrl.fldbcount = size -1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
		hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
		ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
		ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
		if (size == 1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
			flash_data = (u32)data & 0x00FF;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
			flash_data = (u32)data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		ew32flash(ICH_FLASH_FDATA0, flash_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
		 * check if FCERR is set to 1 , if set to 1, clear it
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
		 * and try the whole sequence a few more times else done
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
		ret_val = e1000_flash_cycle_ich8lan(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
					       ICH_FLASH_WRITE_COMMAND_TIMEOUT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
		if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
		 * If we're here, then things are most likely
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
		 * completely hosed, but if the error condition
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
		 * is detected, it won't hurt to give it another
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		 * try...ICH_FLASH_CYCLE_REPEAT_COUNT times.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		if (hsfsts.hsf_status.flcerr == 1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
			/* Repeat for some time before giving up. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
			continue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
		if (hsfsts.hsf_status.flcdone == 0) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
			e_dbg("Timeout error - flash cycle did not complete.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	} while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
 *  e1000_write_flash_byte_ich8lan - Write a single byte to NVM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
 *  @offset: The index of the byte to read.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
 *  @data: The byte to write to the NVM.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
 *  Writes a single byte to the NVM using the flash access registers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
static s32 e1000_write_flash_byte_ich8lan(struct e1000_hw *hw, u32 offset,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
					  u8 data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	u16 word = (u16)data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
	return e1000_write_flash_data_ich8lan(hw, offset, 1, word);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
 *  e1000_retry_write_flash_byte_ich8lan - Writes a single byte to NVM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
 *  @offset: The offset of the byte to write.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
 *  @byte: The byte to write to the NVM.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
 *  Writes a single byte to the NVM using the flash access registers.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
 *  Goes through a retry algorithm before giving up.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
						u32 offset, u8 byte)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	u16 program_retries;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	for (program_retries = 0; program_retries < 100; program_retries++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		e_dbg("Retrying Byte %2.2X at offset %u\n", byte, offset);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
		udelay(100);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		ret_val = e1000_write_flash_byte_ich8lan(hw, offset, byte);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	if (program_retries == 100)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		return -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
 *  e1000_erase_flash_bank_ich8lan - Erase a bank (4k) from NVM
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
 *  @bank: 0 for first bank, 1 for second bank, etc.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
 *  Erases the bank specified. Each bank is a 4k block. Banks are 0 based.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
 *  bank N is 4096 * N + flash_reg_addr.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	struct e1000_nvm_info *nvm = &hw->nvm;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	union ich8_hws_flash_status hsfsts;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	union ich8_hws_flash_ctrl hsflctl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	u32 flash_linear_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	/* bank size is in 16bit words - adjust to bytes */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	u32 flash_bank_size = nvm->flash_bank_size * 2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
	s32 count = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	s32 j, iteration, sector_size;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	 * Determine HW Sector size: Read BERASE bits of hw flash status
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	 * register
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	 * 00: The Hw sector is 256 bytes, hence we need to erase 16
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
	 *     consecutive sectors.  The start index for the nth Hw sector
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	 *     can be calculated as = bank * 4096 + n * 256
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
	 * 01: The Hw sector is 4K bytes, hence we need to erase 1 sector.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	 *     The start index for the nth Hw sector can be calculated
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
	 *     as = bank * 4096
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
	 * 10: The Hw sector is 8K bytes, nth sector = bank * 8192
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
	 *     (ich9 only, otherwise error condition)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	 * 11: The Hw sector is 64K bytes, nth sector = bank * 65536
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	switch (hsfsts.hsf_status.berasesz) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	case 0:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
		/* Hw sector size 256 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
		sector_size = ICH_FLASH_SEG_SIZE_256;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
		iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_256;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	case 1:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		sector_size = ICH_FLASH_SEG_SIZE_4K;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
		iteration = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	case 2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
		sector_size = ICH_FLASH_SEG_SIZE_8K;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		iteration = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	case 3:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
		sector_size = ICH_FLASH_SEG_SIZE_64K;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
		iteration = 1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
		return -E1000_ERR_NVM;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	/* Start with the base address, then add the sector offset. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	flash_linear_addr = hw->nvm.flash_base_addr;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	flash_linear_addr += (bank) ? flash_bank_size : 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	for (j = 0; j < iteration ; j++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		do {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
			/* Steps */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
			ret_val = e1000_flash_cycle_init_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
			if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
			 * Write a value 11 (block Erase) in Flash
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
			 * Cycle field in hw flash control
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
			hsflctl.regval = er16flash(ICH_FLASH_HSFCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
			hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
			ew16flash(ICH_FLASH_HSFCTL, hsflctl.regval);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			 * Write the last 24 bits of an index within the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
			 * block into Flash Linear address field in Flash
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
			 * Address.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
			flash_linear_addr += (j * sector_size);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
			ew32flash(ICH_FLASH_FADDR, flash_linear_addr);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
			ret_val = e1000_flash_cycle_ich8lan(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
					       ICH_FLASH_ERASE_COMMAND_TIMEOUT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
			if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
				break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
			 * Check if FCERR is set to 1.  If 1,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
			 * clear it and try the whole sequence
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
			 * a few more times else Done
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
			hsfsts.regval = er16flash(ICH_FLASH_HSFSTS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
			if (hsfsts.hsf_status.flcerr == 1)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
				/* repeat for some time before giving up */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
				continue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
			else if (hsfsts.hsf_status.flcdone == 0)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
				return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		} while (++count < ICH_FLASH_CYCLE_REPEAT_COUNT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
 *  e1000_valid_led_default_ich8lan - Set the default LED settings
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
 *  @data: Pointer to the LED settings
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
 *  Reads the LED default settings from the NVM to data.  If the NVM LED
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
 *  settings is all 0's or F's, set the LED default to a valid LED default
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
 *  setting.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
static s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw, u16 *data)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
	ret_val = e1000_read_nvm(hw, NVM_ID_LED_SETTINGS, 1, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		e_dbg("NVM Read Error\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	if (*data == ID_LED_RESERVED_0000 ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
	    *data == ID_LED_RESERVED_FFFF)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		*data = ID_LED_DEFAULT_ICH8LAN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
 *  e1000_id_led_init_pchlan - store LED configurations
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
 *  PCH does not control LEDs via the LEDCTL register, rather it uses
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
 *  the PHY LED configuration register.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
 *  PCH also does not have an "always on" or "always off" mode which
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
 *  complicates the ID feature.  Instead of using the "on" mode to indicate
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
 *  in ledctl_mode2 the LEDs to use for ID (see e1000e_id_led_init_generic()),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
 *  use "link_up" mode.  The LEDs will still ID on request if there is no
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
 *  link based on logic in e1000_led_[on|off]_pchlan().
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	struct e1000_mac_info *mac = &hw->mac;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
	const u32 ledctl_on = E1000_LEDCTL_MODE_LINK_UP;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	const u32 ledctl_off = E1000_LEDCTL_MODE_LINK_UP | E1000_PHY_LED0_IVRT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	u16 data, i, temp, shift;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
	/* Get default ID LED modes */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	ret_val = hw->nvm.ops.valid_led_default(hw, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
	mac->ledctl_default = er32(LEDCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	mac->ledctl_mode1 = mac->ledctl_default;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
	mac->ledctl_mode2 = mac->ledctl_default;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	for (i = 0; i < 4; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
		temp = (data >> (i << 2)) & E1000_LEDCTL_LED0_MODE_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
		shift = (i * 5);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		switch (temp) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		case ID_LED_ON1_DEF2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		case ID_LED_ON1_ON2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
		case ID_LED_ON1_OFF2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
			mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
			mac->ledctl_mode1 |= (ledctl_on << shift);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
		case ID_LED_OFF1_DEF2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
		case ID_LED_OFF1_ON2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
		case ID_LED_OFF1_OFF2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
			mac->ledctl_mode1 &= ~(E1000_PHY_LED0_MASK << shift);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
			mac->ledctl_mode1 |= (ledctl_off << shift);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
		default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
			/* Do nothing */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
		switch (temp) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		case ID_LED_DEF1_ON2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
		case ID_LED_ON1_ON2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
		case ID_LED_OFF1_ON2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
			mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
			mac->ledctl_mode2 |= (ledctl_on << shift);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
		case ID_LED_DEF1_OFF2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
		case ID_LED_ON1_OFF2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		case ID_LED_OFF1_OFF2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
			mac->ledctl_mode2 &= ~(E1000_PHY_LED0_MASK << shift);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
			mac->ledctl_mode2 |= (ledctl_off << shift);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
			/* Do nothing */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
 *  e1000_get_bus_info_ich8lan - Get/Set the bus type and width
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
 *  ICH8 use the PCI Express bus, but does not contain a PCI Express Capability
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
 *  register, so the the bus width is hard coded.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	struct e1000_bus_info *bus = &hw->bus;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	ret_val = e1000e_get_bus_info_pcie(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	 * ICH devices are "PCI Express"-ish.  They have
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	 * a configuration space, but do not contain
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	 * PCI Express Capability registers, so bus width
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	 * must be hardcoded.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	if (bus->width == e1000_bus_width_unknown)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
		bus->width = e1000_bus_width_pcie_x1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
 *  e1000_reset_hw_ich8lan - Reset the hardware
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
 *  Does a full reset of the hardware which includes a reset of the PHY and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
 *  MAC.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	u16 reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
	u32 ctrl, kab;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	 * Prevent the PCI-E bus from sticking if there is no TLP connection
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	 * on the last TLP read/write transaction when MAC is reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
	ret_val = e1000e_disable_pcie_master(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
		e_dbg("PCI-E Master disable polling has failed.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
	e_dbg("Masking off all interrupts\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	ew32(IMC, 0xffffffff);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	 * Disable the Transmit and Receive units.  Then delay to allow
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	 * any pending transactions to complete before we hit the MAC
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
	 * with the global reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	ew32(RCTL, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	ew32(TCTL, E1000_TCTL_PSP);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	e1e_flush();
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	usleep_range(10000, 20000);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	/* Workaround for ICH8 bit corruption issue in FIFO memory */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	if (hw->mac.type == e1000_ich8lan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
		/* Set Tx and Rx buffer allocation to 8k apiece. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		ew32(PBA, E1000_PBA_8K);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		/* Set Packet Buffer Size to 16k. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
		ew32(PBS, E1000_PBS_16K);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	if (hw->mac.type == e1000_pchlan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
		/* Save the NVM K1 bit setting*/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		ret_val = e1000_read_nvm(hw, E1000_NVM_K1_CONFIG, 1, &reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
		if (reg & E1000_NVM_K1_ENABLE)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
			dev_spec->nvm_k1_enabled = true;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
			dev_spec->nvm_k1_enabled = false;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	ctrl = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	if (!hw->phy.ops.check_reset_block(hw)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
		 * Full-chip reset requires MAC and PHY reset at the same
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
		 * time to make sure the interface between MAC and the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
		 * external PHY is reset.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
		ctrl |= E1000_CTRL_PHY_RST;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
		 * Gate automatic PHY configuration by hardware on
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
		 * non-managed 82579
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
		if ((hw->mac.type == e1000_pch2lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
		    !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
			e1000_gate_hw_phy_config_ich8lan(hw, true);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	ret_val = e1000_acquire_swflag_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	e_dbg("Issuing a global reset to ich8lan\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	ew32(CTRL, (ctrl | E1000_CTRL_RST));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	/* cannot issue a flush here because it hangs the hardware */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	msleep(20);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	if (!ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
		clear_bit(__E1000_ACCESS_SHARED_RESOURCE, &hw->adapter->state);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	if (ctrl & E1000_CTRL_PHY_RST) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
		ret_val = hw->phy.ops.get_cfg_done(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
		ret_val = e1000_post_phy_reset_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	 * For PCH, this write will make sure that any noise
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	 * will be detected as a CRC error and be dropped rather than show up
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	 * as a bad packet to the DMA engine.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	if (hw->mac.type == e1000_pchlan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
		ew32(CRC_OFFSET, 0x65656565);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	ew32(IMC, 0xffffffff);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	er32(ICR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	kab = er32(KABGTXD);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	kab |= E1000_KABGTXD_BGSQLBIAS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	ew32(KABGTXD, kab);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
 *  e1000_init_hw_ich8lan - Initialize the hardware
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
 *  Prepares the hardware for transmit and receive by doing the following:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
 *   - initialize hardware bits
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
 *   - initialize LED identification
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
 *   - setup receive address registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
 *   - setup flow control
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
 *   - setup transmit descriptors
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
 *   - clear statistics
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	struct e1000_mac_info *mac = &hw->mac;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	u32 ctrl_ext, txdctl, snoop;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	u16 i;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	e1000_initialize_hw_bits_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	/* Initialize identification LED */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	ret_val = mac->ops.id_led_init(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		e_dbg("Error initializing identification LED\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
		/* This is not fatal and we should not stop init due to this */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	/* Setup the receive address. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	e1000e_init_rx_addrs(hw, mac->rar_entry_count);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	/* Zero out the Multicast HASH table */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	e_dbg("Zeroing the MTA\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	for (i = 0; i < mac->mta_reg_count; i++)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
		E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	 * The 82578 Rx buffer will stall if wakeup is enabled in host and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	 * the ME.  Disable wakeup by clearing the host wakeup bit.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	 * Reset the phy after disabling host wakeup to reset the Rx buffer.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	if (hw->phy.type == e1000_phy_82578) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
		e1e_rphy(hw, BM_PORT_GEN_CFG, &i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
		i &= ~BM_WUC_HOST_WU_BIT;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
		e1e_wphy(hw, BM_PORT_GEN_CFG, i);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
		ret_val = e1000_phy_hw_reset_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	/* Setup link and flow control */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	ret_val = mac->ops.setup_link(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	/* Set the transmit descriptor write-back policy for both queues */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	txdctl = er32(TXDCTL(0));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
		 E1000_TXDCTL_FULL_TX_DESC_WB;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
		 E1000_TXDCTL_MAX_TX_DESC_PREFETCH;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	ew32(TXDCTL(0), txdctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
	txdctl = er32(TXDCTL(1));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	txdctl = (txdctl & ~E1000_TXDCTL_WTHRESH) |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
		 E1000_TXDCTL_FULL_TX_DESC_WB;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	txdctl = (txdctl & ~E1000_TXDCTL_PTHRESH) |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
		 E1000_TXDCTL_MAX_TX_DESC_PREFETCH;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	ew32(TXDCTL(1), txdctl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	 * ICH8 has opposite polarity of no_snoop bits.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	 * By default, we should use snoop behavior.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	if (mac->type == e1000_ich8lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
		snoop = PCIE_ICH8_SNOOP_ALL;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
		snoop = (u32) ~(PCIE_NO_SNOOP_ALL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	e1000e_set_pcie_no_snoop(hw, snoop);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	ctrl_ext = er32(CTRL_EXT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
	ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	ew32(CTRL_EXT, ctrl_ext);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	 * Clear all of the statistics registers (clear on read).  It is
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
	 * important that we do this after we have tried to establish link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	 * because the symbol error count will increment wildly if there
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	 * is no link.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
	e1000_clear_hw_cntrs_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
 *  e1000_initialize_hw_bits_ich8lan - Initialize required hardware bits
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
 *  Sets/Clears required hardware bits necessary for correctly setting up the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
 *  hardware for transmit and receive.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	u32 reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	/* Extended Device Control */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	reg = er32(CTRL_EXT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	reg |= (1 << 22);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	/* Enable PHY low-power state when MAC is at D3 w/o WoL */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	if (hw->mac.type >= e1000_pchlan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
		reg |= E1000_CTRL_EXT_PHYPDEN;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	ew32(CTRL_EXT, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	/* Transmit Descriptor Control 0 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	reg = er32(TXDCTL(0));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	reg |= (1 << 22);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	ew32(TXDCTL(0), reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	/* Transmit Descriptor Control 1 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	reg = er32(TXDCTL(1));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	reg |= (1 << 22);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	ew32(TXDCTL(1), reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	/* Transmit Arbitration Control 0 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	reg = er32(TARC(0));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	if (hw->mac.type == e1000_ich8lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
		reg |= (1 << 28) | (1 << 29);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	reg |= (1 << 23) | (1 << 24) | (1 << 26) | (1 << 27);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	ew32(TARC(0), reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	/* Transmit Arbitration Control 1 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	reg = er32(TARC(1));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	if (er32(TCTL) & E1000_TCTL_MULR)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
		reg &= ~(1 << 28);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
		reg |= (1 << 28);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	reg |= (1 << 24) | (1 << 26) | (1 << 30);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	ew32(TARC(1), reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	/* Device Status */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	if (hw->mac.type == e1000_ich8lan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
		reg = er32(STATUS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
		reg &= ~(1 << 31);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		ew32(STATUS, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	 * work-around descriptor data corruption issue during nfs v2 udp
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	 * traffic, just disable the nfs filtering capability
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	reg = er32(RFCTL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	reg |= (E1000_RFCTL_NFSW_DIS | E1000_RFCTL_NFSR_DIS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	ew32(RFCTL, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
 *  e1000_setup_link_ich8lan - Setup flow control and link settings
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
 *  Determines which flow control settings to use, then configures flow
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
 *  control.  Calls the appropriate media-specific link configuration
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
 *  function.  Assuming the adapter has a valid link partner, a valid link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
 *  should be established.  Assumes the hardware has previously been reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
 *  and the transmitter and receiver are not enabled.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	if (hw->phy.ops.check_reset_block(hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	 * ICH parts do not have a word in the NVM to determine
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	 * the default flow control setting, so we explicitly
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	 * set it to full.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	if (hw->fc.requested_mode == e1000_fc_default) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
		/* Workaround h/w hang when Tx flow control enabled */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
		if (hw->mac.type == e1000_pchlan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
			hw->fc.requested_mode = e1000_fc_rx_pause;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
		else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
			hw->fc.requested_mode = e1000_fc_full;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	 * Save off the requested flow control mode for use later.  Depending
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	 * on the link partner's capabilities, we may or may not use this mode.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	hw->fc.current_mode = hw->fc.requested_mode;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	e_dbg("After fix-ups FlowControl is now = %x\n",
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		hw->fc.current_mode);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	/* Continue to configure the copper link. */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	ret_val = hw->mac.ops.setup_physical_interface(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	ew32(FCTTV, hw->fc.pause_time);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	if ((hw->phy.type == e1000_phy_82578) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	    (hw->phy.type == e1000_phy_82579) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	    (hw->phy.type == e1000_phy_82577)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
		ew32(FCRTV_PCH, hw->fc.refresh_time);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
		ret_val = e1e_wphy(hw, PHY_REG(BM_PORT_CTRL_PAGE, 27),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
				   hw->fc.pause_time);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
	return e1000e_set_fc_watermarks(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
 *  e1000_setup_copper_link_ich8lan - Configure MAC/PHY interface
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
 *  Configures the kumeran interface to the PHY to wait the appropriate time
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
 *  when polling the PHY, then call the generic setup_copper_link to finish
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
 *  configuring the copper link.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	u32 ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	u16 reg_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	ctrl = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	ctrl |= E1000_CTRL_SLU;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	ew32(CTRL, ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	 * Set the mac to wait the maximum time between each iteration
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	 * and increase the max iterations when polling the phy;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	 * this fixes erroneous timeouts at 10Mbps.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_TIMEOUTS, 0xFFFF);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	                               &reg_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	reg_data |= 0x3F;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	                                reg_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	switch (hw->phy.type) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	case e1000_phy_igp_3:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
		ret_val = e1000e_copper_link_setup_igp(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	case e1000_phy_bm:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	case e1000_phy_82578:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
		ret_val = e1000e_copper_link_setup_m88(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	case e1000_phy_82577:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	case e1000_phy_82579:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
		ret_val = e1000_copper_link_setup_82577(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	case e1000_phy_ife:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
		ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &reg_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
		reg_data &= ~IFE_PMC_AUTO_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
		switch (hw->phy.mdix) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
		case 1:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
			reg_data &= ~IFE_PMC_FORCE_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
		case 2:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
			reg_data |= IFE_PMC_FORCE_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
		case 0:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
			reg_data |= IFE_PMC_AUTO_MDIX;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
		ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, reg_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	default:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
		break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	return e1000e_setup_copper_link(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
 *  e1000_get_link_up_info_ich8lan - Get current link speed and duplex
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
 *  @speed: pointer to store current link speed
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
 *  @duplex: pointer to store the current link duplex
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
 *  Calls the generic get_speed_and_duplex to retrieve the current link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
 *  information and then calls the Kumeran lock loss workaround for links at
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
 *  gigabit speeds.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
					  u16 *duplex)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	ret_val = e1000e_get_speed_and_duplex_copper(hw, speed, duplex);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
		return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	if ((hw->mac.type == e1000_ich8lan) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	    (hw->phy.type == e1000_phy_igp_3) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	    (*speed == SPEED_1000)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
		ret_val = e1000_kmrn_lock_loss_workaround_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
 *  e1000_kmrn_lock_loss_workaround_ich8lan - Kumeran workaround
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
 *  Work-around for 82566 Kumeran PCS lock loss:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
 *  On link status change (i.e. PCI reset, speed change) and link is up and
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
 *  speed is gigabit-
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
 *    0) if workaround is optionally disabled do nothing
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
 *    1) wait 1ms for Kumeran link to come up
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
 *    2) check Kumeran Diagnostic register PCS lock loss bit
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
 *    3) if not set the link is locked (all is good), otherwise...
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
 *    4) reset the PHY
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
 *    5) repeat up to 10 times
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
 *  Note: this is only called for IGP3 copper when speed is 1gb.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
static s32 e1000_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	u32 phy_ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	u16 i, data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	bool link;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	if (!dev_spec->kmrn_lock_loss_workaround_enabled)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
	 * Make sure link is up before proceeding.  If not just return.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	 * Attempting this while link is negotiating fouled up link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	 * stability
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
	ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	if (!link)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	for (i = 0; i < 10; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		/* read once to clear */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
		/* and again to get new status */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		ret_val = e1e_rphy(hw, IGP3_KMRN_DIAG, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
			return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
		/* check for PCS lock */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
		if (!(data & IGP3_KMRN_DIAG_PCS_LOCK_LOSS))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
			return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
		/* Issue PHY reset */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
		e1000_phy_hw_reset(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
		mdelay(5);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	/* Disable GigE link negotiation */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	phy_ctrl = er32(PHY_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	phy_ctrl |= (E1000_PHY_CTRL_GBE_DISABLE |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
		     E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	ew32(PHY_CTRL, phy_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	 * Call gig speed drop workaround on Gig disable before accessing
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	 * any PHY registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	e1000e_gig_downshift_workaround_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	/* unable to acquire PCS lock */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	return -E1000_ERR_PHY;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
 *  e1000e_set_kmrn_lock_loss_workaround_ich8lan - Set Kumeran workaround state
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
 *  @state: boolean value used to set the current Kumeran workaround state
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
 *  If ICH8, set the current Kumeran workaround state (enabled - true
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
 *  /disabled - false).
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
						 bool state)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	if (hw->mac.type != e1000_ich8lan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		e_dbg("Workaround applies to ICH8 only.\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	dev_spec->kmrn_lock_loss_workaround_enabled = state;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
 *  e1000_ipg3_phy_powerdown_workaround_ich8lan - Power down workaround on D3
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
 *  Workaround for 82566 power-down on D3 entry:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
 *    1) disable gigabit link
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
 *    2) write VR power-down enable
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
 *    3) read it back
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
 *  Continue if successful, else issue LCD reset and repeat
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	u32 reg;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	u16 data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	u8  retry = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
	if (hw->phy.type != e1000_phy_igp_3)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	/* Try the workaround twice (if needed) */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	do {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
		/* Disable link */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
		reg = er32(PHY_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
		reg |= (E1000_PHY_CTRL_GBE_DISABLE |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
			E1000_PHY_CTRL_NOND0A_GBE_DISABLE);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
		ew32(PHY_CTRL, reg);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
		/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
		 * Call gig speed drop workaround on Gig disable before
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
		 * accessing any PHY registers
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
		 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
		if (hw->mac.type == e1000_ich8lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
			e1000e_gig_downshift_workaround_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		/* Write VR power-down enable */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		e1e_rphy(hw, IGP3_VR_CTRL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
		data &= ~IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		e1e_wphy(hw, IGP3_VR_CTRL, data | IGP3_VR_CTRL_MODE_SHUTDOWN);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
		/* Read it back and test */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
		e1e_rphy(hw, IGP3_VR_CTRL, &data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
		data &= IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
		if ((data == IGP3_VR_CTRL_MODE_SHUTDOWN) || retry)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
			break;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
		/* Issue PHY reset and repeat at most one more time */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
		reg = er32(CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
		ew32(CTRL, reg | E1000_CTRL_PHY_RST);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		retry++;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	} while (retry);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
 *  e1000e_gig_downshift_workaround_ich8lan - WoL from S5 stops working
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
 *  Steps to take when dropping from 1Gb/s (eg. link cable removal (LSC),
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
 *  LPLU, Gig disable, MDIC PHY reset):
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
 *    1) Set Kumeran Near-end loopback
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
 *    2) Clear Kumeran Near-end loopback
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
 *  Should only be called for ICH8[m] devices with any 1G Phy.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	u16 reg_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	if ((hw->mac.type != e1000_ich8lan) || (hw->phy.type == e1000_phy_ife))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
				      &reg_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	reg_data |= E1000_KMRNCTRLSTA_DIAG_NELPBK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
				       reg_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	reg_data &= ~E1000_KMRNCTRLSTA_DIAG_NELPBK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_DIAG_OFFSET,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
				       reg_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
 *  e1000_suspend_workarounds_ich8lan - workarounds needed during S0->Sx
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
 *  During S0 to Sx transition, it is possible the link remains at gig
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
 *  instead of negotiating to a lower speed.  Before going to Sx, set
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
 *  'Gig Disable' to force link speed negotiation to a lower speed based on
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
 *  the LPLU setting in the NVM or custom setting.  For PCH and newer parts,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
 *  the OEM bits PHY register (LED, GbE disable and LPLU configurations) also
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
 *  needs to be written.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	u32 phy_ctrl;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	phy_ctrl = er32(PHY_CTRL);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	phy_ctrl |= E1000_PHY_CTRL_GBE_DISABLE;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	ew32(PHY_CTRL, phy_ctrl);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	if (hw->mac.type == e1000_ich8lan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
		e1000e_gig_downshift_workaround_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	if (hw->mac.type >= e1000_pchlan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
		e1000_oem_bits_config_ich8lan(hw, false);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
		/* Reset PHY to activate OEM bits on 82577/8 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
		if (hw->mac.type == e1000_pchlan)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
			e1000e_phy_hw_reset_generic(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
		ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
			return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
		e1000_write_smbus_addr(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
		hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
 *  e1000_resume_workarounds_pchlan - workarounds needed during Sx->S0
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
 *  During Sx to S0 transitions on non-managed devices or managed devices
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
 *  on which PHY resets are not blocked, if the PHY registers cannot be
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
 *  accessed properly by the s/w toggle the LANPHYPC value to power cycle
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
 *  the PHY.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
void e1000_resume_workarounds_pchlan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	u16 phy_id1, phy_id2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	if ((hw->mac.type != e1000_pch2lan) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	    hw->phy.ops.check_reset_block(hw))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
	if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
		e_dbg("Failed to acquire PHY semaphore in resume\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
		return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	/* Test access to the PHY registers by reading the ID regs */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	ret_val = hw->phy.ops.read_reg_locked(hw, PHY_ID1, &phy_id1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	ret_val = hw->phy.ops.read_reg_locked(hw, PHY_ID2, &phy_id2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	if (hw->phy.id == ((u32)(phy_id1 << 16) |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
			   (u32)(phy_id2 & PHY_REVISION_MASK)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
		goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	e1000_toggle_lanphypc_value_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	msleep(50);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	e1000_phy_hw_reset(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	msleep(50);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
 *  e1000_cleanup_led_ich8lan - Restore the default LED operation
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
 *  Return the LED back to the default configuration.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
static s32 e1000_cleanup_led_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
	if (hw->phy.type == e1000_phy_ife)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	ew32(LEDCTL, hw->mac.ledctl_default);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
 *  e1000_led_on_ich8lan - Turn LEDs on
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
 *  Turn on the LEDs.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
static s32 e1000_led_on_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	if (hw->phy.type == e1000_phy_ife)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
		return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
				(IFE_PSCL_PROBE_MODE | IFE_PSCL_PROBE_LEDS_ON));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	ew32(LEDCTL, hw->mac.ledctl_mode2);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
 *  e1000_led_off_ich8lan - Turn LEDs off
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
 *  Turn off the LEDs.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
static s32 e1000_led_off_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
	if (hw->phy.type == e1000_phy_ife)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
		return e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
				(IFE_PSCL_PROBE_MODE |
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
				 IFE_PSCL_PROBE_LEDS_OFF));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	ew32(LEDCTL, hw->mac.ledctl_mode1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
	return 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
 *  e1000_setup_led_pchlan - Configures SW controllable LED
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
 *  This prepares the SW controllable LED for use.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
static s32 e1000_setup_led_pchlan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	return e1e_wphy(hw, HV_LED_CONFIG, (u16)hw->mac.ledctl_mode1);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
 *  e1000_cleanup_led_pchlan - Restore the default LED operation
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
 *  Return the LED back to the default configuration.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	return e1e_wphy(hw, HV_LED_CONFIG, (u16)hw->mac.ledctl_default);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
 *  e1000_led_on_pchlan - Turn LEDs on
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
 *  Turn on the LEDs.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
static s32 e1000_led_on_pchlan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	u16 data = (u16)hw->mac.ledctl_mode2;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
	u32 i, led;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	 * If no link, then turn LED on by setting the invert bit
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
	 * for each LED that's mode is "link_up" in ledctl_mode2.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
	if (!(er32(STATUS) & E1000_STATUS_LU)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
		for (i = 0; i < 3; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
			led = (data >> (i * 5)) & E1000_PHY_LED0_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
			if ((led & E1000_PHY_LED0_MODE_MASK) !=
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
			    E1000_LEDCTL_MODE_LINK_UP)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
				continue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
			if (led & E1000_PHY_LED0_IVRT)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
				data &= ~(E1000_PHY_LED0_IVRT << (i * 5));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
				data |= (E1000_PHY_LED0_IVRT << (i * 5));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	return e1e_wphy(hw, HV_LED_CONFIG, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
 *  e1000_led_off_pchlan - Turn LEDs off
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
 *  Turn off the LEDs.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
static s32 e1000_led_off_pchlan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
	u16 data = (u16)hw->mac.ledctl_mode1;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
	u32 i, led;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	 * If no link, then turn LED off by clearing the invert bit
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	 * for each LED that's mode is "link_up" in ledctl_mode1.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	if (!(er32(STATUS) & E1000_STATUS_LU)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		for (i = 0; i < 3; i++) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
			led = (data >> (i * 5)) & E1000_PHY_LED0_MASK;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
			if ((led & E1000_PHY_LED0_MODE_MASK) !=
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
			    E1000_LEDCTL_MODE_LINK_UP)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
				continue;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
			if (led & E1000_PHY_LED0_IVRT)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
				data &= ~(E1000_PHY_LED0_IVRT << (i * 5));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
			else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
				data |= (E1000_PHY_LED0_IVRT << (i * 5));
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	return e1e_wphy(hw, HV_LED_CONFIG, data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
 *  e1000_get_cfg_done_ich8lan - Read config done bit after Full or PHY reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
 *  Read appropriate register for the config done bit for completion status
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
 *  and configure the PHY through s/w for EEPROM-less parts.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
 *  NOTE: some silicon which is EEPROM-less will fail trying to read the
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
 *  config done bit, so only an error is logged and continues.  If we were
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
 *  to return with error, EEPROM-less silicon would not be able to be reset
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
 *  or change link.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	s32 ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
	u32 bank = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
	u32 status;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
	e1000e_get_cfg_done(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
	/* Wait for indication from h/w that it has completed basic config */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	if (hw->mac.type >= e1000_ich10lan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		e1000_lan_init_done_ich8lan(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
		ret_val = e1000e_get_auto_rd_done(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
		if (ret_val) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
			/*
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
			 * When auto config read does not complete, do not
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
			 * return with an error. This can happen in situations
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
			 * where there is no eeprom and prevents getting link.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
			 */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
			e_dbg("Auto Read Done did not complete\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
			ret_val = 0;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	/* Clear PHY Reset Asserted bit */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	status = er32(STATUS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
	if (status & E1000_STATUS_PHYRA)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		ew32(STATUS, status & ~E1000_STATUS_PHYRA);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
	else
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
		e_dbg("PHY Reset Asserted not set - needs delay\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	/* If EEPROM is not marked present, init the IGP 3 PHY manually */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	if (hw->mac.type <= e1000_ich9lan) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
		if (((er32(EECD) & E1000_EECD_PRES) == 0) &&
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
		    (hw->phy.type == e1000_phy_igp_3)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
			e1000e_phy_init_script_igp3(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	} else {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
		if (e1000_valid_nvm_bank_detect_ich8lan(hw, &bank)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
			/* Maybe we should do a basic PHY config */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
			e_dbg("EEPROM not present\n");
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
			ret_val = -E1000_ERR_CONFIG;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
		}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	return ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
 * e1000_power_down_phy_copper_ich8lan - Remove link during PHY power down
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
 * @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
 * In the case of a PHY power down to save power, or to turn off link during a
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
 * driver unload, or wake on lan is not enabled, remove the link.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
static void e1000_power_down_phy_copper_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	/* If the management interface is not enabled, then power down */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	if (!(hw->mac.ops.check_mng_mode(hw) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	      hw->phy.ops.check_reset_block(hw)))
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
		e1000_power_down_phy_copper(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
/**
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
 *  e1000_clear_hw_cntrs_ich8lan - Clear statistical counters
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
 *  @hw: pointer to the HW structure
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
 *
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
 *  Clears hardware counters specific to the silicon family and calls
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
 *  clear_hw_cntrs_generic to clear all general purpose counters.
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
 **/
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
{
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	u16 phy_data;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	s32 ret_val;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	e1000e_clear_hw_cntrs_base(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	er32(ALGNERRC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
	er32(RXERRC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
	er32(TNCRS);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	er32(CEXTERR);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
	er32(TSCTC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
	er32(TSCTFC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	er32(MGTPRC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	er32(MGTPDC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	er32(MGTPTC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	er32(IAC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
	er32(ICRXOC);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
	/* Clear PHY statistics registers */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
	if ((hw->phy.type == e1000_phy_82578) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
	    (hw->phy.type == e1000_phy_82579) ||
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
	    (hw->phy.type == e1000_phy_82577)) {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		ret_val = hw->phy.ops.acquire(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
			return;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
		ret_val = hw->phy.ops.set_page(hw,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
					       HV_STATS_PAGE << IGP_PAGE_SHIFT);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
		if (ret_val)
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
			goto release;
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
		hw->phy.ops.read_reg_page(hw, HV_SCC_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		hw->phy.ops.read_reg_page(hw, HV_SCC_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		hw->phy.ops.read_reg_page(hw, HV_ECOL_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		hw->phy.ops.read_reg_page(hw, HV_ECOL_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		hw->phy.ops.read_reg_page(hw, HV_MCC_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		hw->phy.ops.read_reg_page(hw, HV_MCC_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
		hw->phy.ops.read_reg_page(hw, HV_LATECOL_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
		hw->phy.ops.read_reg_page(hw, HV_LATECOL_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
		hw->phy.ops.read_reg_page(hw, HV_COLC_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
		hw->phy.ops.read_reg_page(hw, HV_COLC_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
		hw->phy.ops.read_reg_page(hw, HV_DC_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
		hw->phy.ops.read_reg_page(hw, HV_DC_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
		hw->phy.ops.read_reg_page(hw, HV_TNCRS_UPPER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
		hw->phy.ops.read_reg_page(hw, HV_TNCRS_LOWER, &phy_data);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
release:
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
		hw->phy.ops.release(hw);
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
	}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
}
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
static const struct e1000_mac_operations ich8_mac_ops = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
	/* check_mng_mode dependent on mac type */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	.check_for_link		= e1000_check_for_copper_link_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
	/* cleanup_led dependent on mac type */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	.clear_hw_cntrs		= e1000_clear_hw_cntrs_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	.get_bus_info		= e1000_get_bus_info_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	.set_lan_id		= e1000_set_lan_id_single_port,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
	.get_link_up_info	= e1000_get_link_up_info_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	/* led_on dependent on mac type */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
	/* led_off dependent on mac type */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	.update_mc_addr_list	= e1000e_update_mc_addr_list_generic,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	.reset_hw		= e1000_reset_hw_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
	.init_hw		= e1000_init_hw_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	.setup_link		= e1000_setup_link_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
	.setup_physical_interface= e1000_setup_copper_link_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	/* id_led_init dependent on mac type */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
	.config_collision_dist	= e1000e_config_collision_dist_generic,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
static const struct e1000_phy_operations ich8_phy_ops = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
	.acquire		= e1000_acquire_swflag_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
	.check_reset_block	= e1000_check_reset_block_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
	.commit			= NULL,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
	.get_cfg_done		= e1000_get_cfg_done_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
	.get_cable_length	= e1000e_get_cable_length_igp_2,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
	.read_reg		= e1000e_read_phy_reg_igp,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
	.release		= e1000_release_swflag_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
	.reset			= e1000_phy_hw_reset_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	.set_d0_lplu_state	= e1000_set_d0_lplu_state_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
	.set_d3_lplu_state	= e1000_set_d3_lplu_state_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	.write_reg		= e1000e_write_phy_reg_igp,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
static const struct e1000_nvm_operations ich8_nvm_ops = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	.acquire		= e1000_acquire_nvm_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
	.read		 	= e1000_read_nvm_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
	.release		= e1000_release_nvm_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
	.reload			= e1000e_reload_nvm_generic,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
	.update			= e1000_update_nvm_checksum_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	.valid_led_default	= e1000_valid_led_default_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
	.validate		= e1000_validate_nvm_checksum_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	.write			= e1000_write_nvm_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
const struct e1000_info e1000_ich8_info = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	.mac			= e1000_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
	.flags			= FLAG_HAS_WOL
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
				  | FLAG_IS_ICH
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
				  | FLAG_HAS_CTRLEXT_ON_LOAD
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
				  | FLAG_HAS_AMT
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
				  | FLAG_HAS_FLASH
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
				  | FLAG_APME_IN_WUC,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
	.pba			= 8,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	.max_hw_frame_size	= ETH_FRAME_LEN + ETH_FCS_LEN,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	.get_variants		= e1000_get_variants_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	.mac_ops		= &ich8_mac_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	.phy_ops		= &ich8_phy_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
	.nvm_ops		= &ich8_nvm_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
const struct e1000_info e1000_ich9_info = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	.mac			= e1000_ich9lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
	.flags			= FLAG_HAS_JUMBO_FRAMES
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
				  | FLAG_IS_ICH
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
				  | FLAG_HAS_WOL
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
				  | FLAG_HAS_CTRLEXT_ON_LOAD
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
				  | FLAG_HAS_AMT
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
				  | FLAG_HAS_FLASH
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
				  | FLAG_APME_IN_WUC,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	.pba			= 18,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
	.max_hw_frame_size	= DEFAULT_JUMBO,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
	.get_variants		= e1000_get_variants_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
	.mac_ops		= &ich8_mac_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
	.phy_ops		= &ich8_phy_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
	.nvm_ops		= &ich8_nvm_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
const struct e1000_info e1000_ich10_info = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	.mac			= e1000_ich10lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	.flags			= FLAG_HAS_JUMBO_FRAMES
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
				  | FLAG_IS_ICH
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
				  | FLAG_HAS_WOL
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
				  | FLAG_HAS_CTRLEXT_ON_LOAD
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
				  | FLAG_HAS_AMT
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
				  | FLAG_HAS_FLASH
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
				  | FLAG_APME_IN_WUC,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	.pba			= 18,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	.max_hw_frame_size	= DEFAULT_JUMBO,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	.get_variants		= e1000_get_variants_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	.mac_ops		= &ich8_mac_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	.phy_ops		= &ich8_phy_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	.nvm_ops		= &ich8_nvm_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
const struct e1000_info e1000_pch_info = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
	.mac			= e1000_pchlan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	.flags			= FLAG_IS_ICH
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
				  | FLAG_HAS_WOL
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
				  | FLAG_HAS_CTRLEXT_ON_LOAD
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
				  | FLAG_HAS_AMT
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
				  | FLAG_HAS_FLASH
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
				  | FLAG_HAS_JUMBO_FRAMES
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
				  | FLAG_DISABLE_FC_PAUSE_TIME /* errata */
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
				  | FLAG_APME_IN_WUC,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
	.flags2			= FLAG2_HAS_PHY_STATS,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
	.pba			= 26,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	.max_hw_frame_size	= 4096,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	.get_variants		= e1000_get_variants_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
	.mac_ops		= &ich8_mac_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	.phy_ops		= &ich8_phy_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	.nvm_ops		= &ich8_nvm_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
};
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
const struct e1000_info e1000_pch2_info = {
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	.mac			= e1000_pch2lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	.flags			= FLAG_IS_ICH
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
				  | FLAG_HAS_WOL
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
				  | FLAG_HAS_CTRLEXT_ON_LOAD
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
				  | FLAG_HAS_AMT
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
				  | FLAG_HAS_FLASH
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
				  | FLAG_HAS_JUMBO_FRAMES
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
				  | FLAG_APME_IN_WUC,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	.flags2			= FLAG2_HAS_PHY_STATS
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
				  | FLAG2_HAS_EEE,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	.pba			= 26,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	.max_hw_frame_size	= DEFAULT_JUMBO,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	.get_variants		= e1000_get_variants_ich8lan,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	.mac_ops		= &ich8_mac_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
	.phy_ops		= &ich8_phy_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
	.nvm_ops		= &ich8_nvm_ops,
5e9221a78855 Added e1000e driver for kernel 3.4.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
};