linux/drivers/net/ethernet/intel/e1000e/ich8lan.h
David Ertman 79849ebc0e e1000e: initial support for i219
i219 is the next-generation LOM that will be available on systems with the
Sunrise Point Platform Controller Hub (PCH) chipset from Intel.  This patch
provides the initial support for the device.

Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Tested-by: Carmen Edwards <carmenx.edwards@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-02-23 17:11:53 -08:00

304 lines
12 KiB
C

/* Intel PRO/1000 Linux driver
* Copyright(c) 1999 - 2014 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* Linux NICS <linux.nics@intel.com>
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*/
#ifndef _E1000E_ICH8LAN_H_
#define _E1000E_ICH8LAN_H_
#define ICH_FLASH_GFPREG 0x0000
#define ICH_FLASH_HSFSTS 0x0004
#define ICH_FLASH_HSFCTL 0x0006
#define ICH_FLASH_FADDR 0x0008
#define ICH_FLASH_FDATA0 0x0010
#define ICH_FLASH_PR0 0x0074
/* Requires up to 10 seconds when MNG might be accessing part. */
#define ICH_FLASH_READ_COMMAND_TIMEOUT 10000000
#define ICH_FLASH_WRITE_COMMAND_TIMEOUT 10000000
#define ICH_FLASH_ERASE_COMMAND_TIMEOUT 10000000
#define ICH_FLASH_LINEAR_ADDR_MASK 0x00FFFFFF
#define ICH_FLASH_CYCLE_REPEAT_COUNT 10
#define ICH_CYCLE_READ 0
#define ICH_CYCLE_WRITE 2
#define ICH_CYCLE_ERASE 3
#define FLASH_GFPREG_BASE_MASK 0x1FFF
#define FLASH_SECTOR_ADDR_SHIFT 12
#define ICH_FLASH_SEG_SIZE_256 256
#define ICH_FLASH_SEG_SIZE_4K 4096
#define ICH_FLASH_SEG_SIZE_8K 8192
#define ICH_FLASH_SEG_SIZE_64K 65536
#define E1000_ICH_FWSM_RSPCIPHY 0x00000040 /* Reset PHY on PCI Reset */
/* FW established a valid mode */
#define E1000_ICH_FWSM_FW_VALID 0x00008000
#define E1000_ICH_FWSM_PCIM2PCI 0x01000000 /* ME PCIm-to-PCI active */
#define E1000_ICH_FWSM_PCIM2PCI_COUNT 2000
#define E1000_ICH_MNG_IAMT_MODE 0x2
#define E1000_FWSM_WLOCK_MAC_MASK 0x0380
#define E1000_FWSM_WLOCK_MAC_SHIFT 7
#define E1000_FWSM_ULP_CFG_DONE 0x00000400 /* Low power cfg done */
/* Shared Receive Address Registers */
#define E1000_SHRAL_PCH_LPT(_i) (0x05408 + ((_i) * 8))
#define E1000_SHRAH_PCH_LPT(_i) (0x0540C + ((_i) * 8))
#define E1000_H2ME 0x05B50 /* Host to ME */
#define E1000_H2ME_ULP 0x00000800 /* ULP Indication Bit */
#define E1000_H2ME_ENFORCE_SETTINGS 0x00001000 /* Enforce Settings */
#define ID_LED_DEFAULT_ICH8LAN ((ID_LED_DEF1_DEF2 << 12) | \
(ID_LED_OFF1_OFF2 << 8) | \
(ID_LED_OFF1_ON2 << 4) | \
(ID_LED_DEF1_DEF2))
#define E1000_ICH_NVM_SIG_WORD 0x13
#define E1000_ICH_NVM_SIG_MASK 0xC000
#define E1000_ICH_NVM_VALID_SIG_MASK 0xC0
#define E1000_ICH_NVM_SIG_VALUE 0x80
#define E1000_ICH8_LAN_INIT_TIMEOUT 1500
/* FEXT register bit definition */
#define E1000_FEXT_PHY_CABLE_DISCONNECTED 0x00000004
#define E1000_FEXTNVM_SW_CONFIG 1
#define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* different on ICH8M */
#define E1000_FEXTNVM3_PHY_CFG_COUNTER_MASK 0x0C000000
#define E1000_FEXTNVM3_PHY_CFG_COUNTER_50MSEC 0x08000000
#define E1000_FEXTNVM4_BEACON_DURATION_MASK 0x7
#define E1000_FEXTNVM4_BEACON_DURATION_8USEC 0x7
#define E1000_FEXTNVM4_BEACON_DURATION_16USEC 0x3
#define E1000_FEXTNVM6_REQ_PLL_CLK 0x00000100
#define E1000_FEXTNVM6_ENABLE_K1_ENTRY_CONDITION 0x00000200
#define E1000_FEXTNVM6_K1_OFF_ENABLE 0x80000000
/* bit for disabling packet buffer read */
#define E1000_FEXTNVM7_DISABLE_PB_READ 0x00040000
#define E1000_FEXTNVM7_DISABLE_SMB_PERST 0x00000020
#define K1_ENTRY_LATENCY 0
#define K1_MIN_TIME 1
#define NVM_SIZE_MULTIPLIER 4096 /*multiplier for NVMS field */
#define E1000_FLASH_BASE_ADDR 0xE000 /*offset of NVM access regs */
#define E1000_CTRL_EXT_NVMVS 0x3 /*NVM valid sector */
#define PCIE_ICH8_SNOOP_ALL PCIE_NO_SNOOP_ALL
#define E1000_ICH_RAR_ENTRIES 7
#define E1000_PCH2_RAR_ENTRIES 5 /* RAR[0], SHRA[0-3] */
#define E1000_PCH_LPT_RAR_ENTRIES 12 /* RAR[0], SHRA[0-10] */
#define PHY_PAGE_SHIFT 5
#define PHY_REG(page, reg) (((page) << PHY_PAGE_SHIFT) | \
((reg) & MAX_PHY_REG_ADDRESS))
#define IGP3_KMRN_DIAG PHY_REG(770, 19) /* KMRN Diagnostic */
#define IGP3_VR_CTRL PHY_REG(776, 18) /* Voltage Regulator Control */
#define IGP3_KMRN_DIAG_PCS_LOCK_LOSS 0x0002
#define IGP3_VR_CTRL_DEV_POWERDOWN_MODE_MASK 0x0300
#define IGP3_VR_CTRL_MODE_SHUTDOWN 0x0200
/* PHY Wakeup Registers and defines */
#define BM_PORT_GEN_CFG PHY_REG(BM_PORT_CTRL_PAGE, 17)
#define BM_RCTL PHY_REG(BM_WUC_PAGE, 0)
#define BM_WUC PHY_REG(BM_WUC_PAGE, 1)
#define BM_WUFC PHY_REG(BM_WUC_PAGE, 2)
#define BM_WUS PHY_REG(BM_WUC_PAGE, 3)
#define BM_RAR_L(_i) (BM_PHY_REG(BM_WUC_PAGE, 16 + ((_i) << 2)))
#define BM_RAR_M(_i) (BM_PHY_REG(BM_WUC_PAGE, 17 + ((_i) << 2)))
#define BM_RAR_H(_i) (BM_PHY_REG(BM_WUC_PAGE, 18 + ((_i) << 2)))
#define BM_RAR_CTRL(_i) (BM_PHY_REG(BM_WUC_PAGE, 19 + ((_i) << 2)))
#define BM_MTA(_i) (BM_PHY_REG(BM_WUC_PAGE, 128 + ((_i) << 1)))
#define BM_RCTL_UPE 0x0001 /* Unicast Promiscuous Mode */
#define BM_RCTL_MPE 0x0002 /* Multicast Promiscuous Mode */
#define BM_RCTL_MO_SHIFT 3 /* Multicast Offset Shift */
#define BM_RCTL_MO_MASK (3 << 3) /* Multicast Offset Mask */
#define BM_RCTL_BAM 0x0020 /* Broadcast Accept Mode */
#define BM_RCTL_PMCF 0x0040 /* Pass MAC Control Frames */
#define BM_RCTL_RFCE 0x0080 /* Rx Flow Control Enable */
#define HV_LED_CONFIG PHY_REG(768, 30) /* LED Configuration */
#define HV_MUX_DATA_CTRL PHY_REG(776, 16)
#define HV_MUX_DATA_CTRL_GEN_TO_MAC 0x0400
#define HV_MUX_DATA_CTRL_FORCE_SPEED 0x0004
#define HV_STATS_PAGE 778
/* Half-duplex collision counts */
#define HV_SCC_UPPER PHY_REG(HV_STATS_PAGE, 16) /* Single Collision */
#define HV_SCC_LOWER PHY_REG(HV_STATS_PAGE, 17)
#define HV_ECOL_UPPER PHY_REG(HV_STATS_PAGE, 18) /* Excessive Coll. */
#define HV_ECOL_LOWER PHY_REG(HV_STATS_PAGE, 19)
#define HV_MCC_UPPER PHY_REG(HV_STATS_PAGE, 20) /* Multiple Collision */
#define HV_MCC_LOWER PHY_REG(HV_STATS_PAGE, 21)
#define HV_LATECOL_UPPER PHY_REG(HV_STATS_PAGE, 23) /* Late Collision */
#define HV_LATECOL_LOWER PHY_REG(HV_STATS_PAGE, 24)
#define HV_COLC_UPPER PHY_REG(HV_STATS_PAGE, 25) /* Collision */
#define HV_COLC_LOWER PHY_REG(HV_STATS_PAGE, 26)
#define HV_DC_UPPER PHY_REG(HV_STATS_PAGE, 27) /* Defer Count */
#define HV_DC_LOWER PHY_REG(HV_STATS_PAGE, 28)
#define HV_TNCRS_UPPER PHY_REG(HV_STATS_PAGE, 29) /* Tx with no CRS */
#define HV_TNCRS_LOWER PHY_REG(HV_STATS_PAGE, 30)
#define E1000_FCRTV_PCH 0x05F40 /* PCH Flow Control Refresh Timer Value */
#define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */
#define E1000_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */
/* SMBus Control Phy Register */
#define CV_SMB_CTRL PHY_REG(769, 23)
#define CV_SMB_CTRL_FORCE_SMBUS 0x0001
/* I218 Ultra Low Power Configuration 1 Register */
#define I218_ULP_CONFIG1 PHY_REG(779, 16)
#define I218_ULP_CONFIG1_START 0x0001 /* Start auto ULP config */
#define I218_ULP_CONFIG1_IND 0x0004 /* Pwr up from ULP indication */
#define I218_ULP_CONFIG1_STICKY_ULP 0x0010 /* Set sticky ULP mode */
#define I218_ULP_CONFIG1_INBAND_EXIT 0x0020 /* Inband on ULP exit */
#define I218_ULP_CONFIG1_WOL_HOST 0x0040 /* WoL Host on ULP exit */
#define I218_ULP_CONFIG1_RESET_TO_SMBUS 0x0100 /* Reset to SMBus mode */
#define I218_ULP_CONFIG1_DISABLE_SMB_PERST 0x1000 /* Disable on PERST# */
/* SMBus Address Phy Register */
#define HV_SMB_ADDR PHY_REG(768, 26)
#define HV_SMB_ADDR_MASK 0x007F
#define HV_SMB_ADDR_PEC_EN 0x0200
#define HV_SMB_ADDR_VALID 0x0080
#define HV_SMB_ADDR_FREQ_MASK 0x1100
#define HV_SMB_ADDR_FREQ_LOW_SHIFT 8
#define HV_SMB_ADDR_FREQ_HIGH_SHIFT 12
/* Strapping Option Register - RO */
#define E1000_STRAP 0x0000C
#define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000
#define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17
#define E1000_STRAP_SMT_FREQ_MASK 0x00003000
#define E1000_STRAP_SMT_FREQ_SHIFT 12
/* OEM Bits Phy Register */
#define HV_OEM_BITS PHY_REG(768, 25)
#define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */
#define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */
#define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */
/* KMRN Mode Control */
#define HV_KMRN_MODE_CTRL PHY_REG(769, 16)
#define HV_KMRN_MDIO_SLOW 0x0400
/* KMRN FIFO Control and Status */
#define HV_KMRN_FIFO_CTRLSTA PHY_REG(770, 16)
#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_MASK 0x7000
#define HV_KMRN_FIFO_CTRLSTA_PREAMBLE_SHIFT 12
/* PHY Power Management Control */
#define HV_PM_CTRL PHY_REG(770, 17)
#define HV_PM_CTRL_PLL_STOP_IN_K1_GIGA 0x100
#define HV_PM_CTRL_K1_ENABLE 0x4000
#define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in ms */
/* Inband Control */
#define I217_INBAND_CTRL PHY_REG(770, 18)
#define I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_MASK 0x3F00
#define I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT 8
/* Low Power Idle GPIO Control */
#define I217_LPI_GPIO_CTRL PHY_REG(772, 18)
#define I217_LPI_GPIO_CTRL_AUTO_EN_LPI 0x0800
/* PHY Low Power Idle Control */
#define I82579_LPI_CTRL PHY_REG(772, 20)
#define I82579_LPI_CTRL_100_ENABLE 0x2000
#define I82579_LPI_CTRL_1000_ENABLE 0x4000
#define I82579_LPI_CTRL_ENABLE_MASK 0x6000
#define I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT 0x80
/* Extended Management Interface (EMI) Registers */
#define I82579_EMI_ADDR 0x10
#define I82579_EMI_DATA 0x11
#define I82579_LPI_UPDATE_TIMER 0x4805 /* in 40ns units + 40 ns base value */
#define I82579_MSE_THRESHOLD 0x084F /* 82579 Mean Square Error Threshold */
#define I82577_MSE_THRESHOLD 0x0887 /* 82577 Mean Square Error Threshold */
#define I82579_MSE_LINK_DOWN 0x2411 /* MSE count before dropping link */
#define I82579_RX_CONFIG 0x3412 /* Receive configuration */
#define I82579_LPI_PLL_SHUT 0x4412 /* LPI PLL Shut Enable */
#define I82579_EEE_PCS_STATUS 0x182E /* IEEE MMD Register 3.1 >> 8 */
#define I82579_EEE_CAPABILITY 0x0410 /* IEEE MMD Register 3.20 */
#define I82579_EEE_ADVERTISEMENT 0x040E /* IEEE MMD Register 7.60 */
#define I82579_EEE_LP_ABILITY 0x040F /* IEEE MMD Register 7.61 */
#define I82579_EEE_100_SUPPORTED (1 << 1) /* 100BaseTx EEE */
#define I82579_EEE_1000_SUPPORTED (1 << 2) /* 1000BaseTx EEE */
#define I82579_LPI_100_PLL_SHUT (1 << 2) /* 100M LPI PLL Shut Enabled */
#define I217_EEE_PCS_STATUS 0x9401 /* IEEE MMD Register 3.1 */
#define I217_EEE_CAPABILITY 0x8000 /* IEEE MMD Register 3.20 */
#define I217_EEE_ADVERTISEMENT 0x8001 /* IEEE MMD Register 7.60 */
#define I217_EEE_LP_ABILITY 0x8002 /* IEEE MMD Register 7.61 */
#define I217_RX_CONFIG 0xB20C /* Receive configuration */
#define E1000_EEE_RX_LPI_RCVD 0x0400 /* Tx LP idle received */
#define E1000_EEE_TX_LPI_RCVD 0x0800 /* Rx LP idle received */
/* Intel Rapid Start Technology Support */
#define I217_PROXY_CTRL BM_PHY_REG(BM_WUC_PAGE, 70)
#define I217_PROXY_CTRL_AUTO_DISABLE 0x0080
#define I217_SxCTRL PHY_REG(BM_PORT_CTRL_PAGE, 28)
#define I217_SxCTRL_ENABLE_LPI_RESET 0x1000
#define I217_CGFREG PHY_REG(772, 29)
#define I217_CGFREG_ENABLE_MTA_RESET 0x0002
#define I217_MEMPWR PHY_REG(772, 26)
#define I217_MEMPWR_DISABLE_SMB_RELEASE 0x0010
/* Receive Address Initial CRC Calculation */
#define E1000_PCH_RAICC(_n) (0x05F50 + ((_n) * 4))
/* Latency Tolerance Reporting */
#define E1000_LTRV 0x000F8
#define E1000_LTRV_SCALE_MAX 5
#define E1000_LTRV_SCALE_FACTOR 5
#define E1000_LTRV_REQ_SHIFT 15
#define E1000_LTRV_NOSNOOP_SHIFT 16
#define E1000_LTRV_SEND (1 << 30)
/* Proprietary Latency Tolerance Reporting PCI Capability */
#define E1000_PCI_LTR_CAP_LPT 0xA8
void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw);
void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
bool state);
void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw);
void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw);
void e1000_resume_workarounds_pchlan(struct e1000_hw *hw);
s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable);
void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw);
s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable);
s32 e1000_read_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 *data);
s32 e1000_write_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 data);
s32 e1000_set_eee_pchlan(struct e1000_hw *hw);
s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx);
#endif /* _E1000E_ICH8LAN_H_ */