e1000e: Fix the max snoop/no-snoop latency for 10M

[mirror_ubuntu-hirsute-kernel.git] / drivers / net / ethernet / intel / e1000e / ich8lan.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 1999 - 2018 Intel Corporation. */

#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          0x13u
#define E1000_ICH_NVM_SIG_MASK          0xC000u
#define E1000_ICH_NVM_VALID_SIG_MASK    0xC0u
#define E1000_ICH_NVM_SIG_VALUE         0x80u

#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_SIDE_CLK_UNGATE  0x00000004
#define E1000_FEXTNVM7_DISABLE_SMB_PERST        0x00000020
#define E1000_FEXTNVM9_IOSFSB_CLKGATE_DIS       0x00000800
#define E1000_FEXTNVM9_IOSFSB_CLKREQ_DIS        0x00001000
#define E1000_FEXTNVM11_DISABLE_PB_READ         0x00000200
#define E1000_FEXTNVM11_DISABLE_MULR_FIX        0x00002000

/* bit24: RXDCTL thresholds granularity: 0 - cache lines, 1 - descriptors */
#define E1000_RXDCTL_THRESH_UNIT_DESC   0x01000000

#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 E1000_TARC0_CB_MULTIQ_3_REQ     0x30000000
#define E1000_TARC0_CB_MULTIQ_2_REQ     0x20000000
#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 */
/* enable ULP even if when phy powered down via lanphypc */
#define I218_ULP_CONFIG1_EN_ULP_LANPHYPC        0x0400
/* disable clear of sticky ULP on PERST */
#define I218_ULP_CONFIG1_DIS_CLR_STICKY_ON_PERST        0x0800
#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_K1_CLK_REQ           0x200
#define HV_PM_CTRL_K1_ENABLE            0x4000

#define I217_PLL_CLOCK_GATE_REG PHY_REG(772, 28)
#define I217_PLL_CLOCK_GATE_MASK        0x07FF

#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_VALUE_MASK           0x000003FF
#define E1000_LTRV_SCALE_MAX            5
#define E1000_LTRV_SCALE_FACTOR         5
#define E1000_LTRV_SCALE_SHIFT          10
#define E1000_LTRV_SCALE_MASK           0x00001C00
#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_ */