diff options
Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r-- | drivers/net/e1000e/defines.h | 2 | ||||
-rw-r--r-- | drivers/net/e1000e/e1000.h | 14 | ||||
-rw-r--r-- | drivers/net/e1000e/hw.h | 1 | ||||
-rw-r--r-- | drivers/net/e1000e/ich8lan.c | 482 | ||||
-rw-r--r-- | drivers/net/e1000e/phy.c | 15 |
5 files changed, 408 insertions, 106 deletions
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index c0f185beb8bc..1190167a8b3d 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h | |||
@@ -76,6 +76,7 @@ | |||
76 | /* Extended Device Control */ | 76 | /* Extended Device Control */ |
77 | #define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Definable Pin 7 */ | 77 | #define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Definable Pin 7 */ |
78 | #define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */ | 78 | #define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */ |
79 | #define E1000_CTRL_EXT_SPD_BYPS 0x00008000 /* Speed Select Bypass */ | ||
79 | #define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */ | 80 | #define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */ |
80 | #define E1000_CTRL_EXT_DMA_DYN_CLK_EN 0x00080000 /* DMA Dynamic Clock Gating */ | 81 | #define E1000_CTRL_EXT_DMA_DYN_CLK_EN 0x00080000 /* DMA Dynamic Clock Gating */ |
81 | #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 | 82 | #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 |
@@ -347,6 +348,7 @@ | |||
347 | /* Extended Configuration Control and Size */ | 348 | /* Extended Configuration Control and Size */ |
348 | #define E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP 0x00000020 | 349 | #define E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP 0x00000020 |
349 | #define E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE 0x00000001 | 350 | #define E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE 0x00000001 |
351 | #define E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE 0x00000008 | ||
350 | #define E1000_EXTCNF_CTRL_SWFLAG 0x00000020 | 352 | #define E1000_EXTCNF_CTRL_SWFLAG 0x00000020 |
351 | #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK 0x00FF0000 | 353 | #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK 0x00FF0000 |
352 | #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT 16 | 354 | #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT 16 |
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index 08a4f9dd20e9..00989c5534c1 100644 --- a/drivers/net/e1000e/e1000.h +++ b/drivers/net/e1000e/e1000.h | |||
@@ -141,6 +141,20 @@ struct e1000_info; | |||
141 | #define HV_TNCRS_UPPER PHY_REG(778, 29) /* Transmit with no CRS */ | 141 | #define HV_TNCRS_UPPER PHY_REG(778, 29) /* Transmit with no CRS */ |
142 | #define HV_TNCRS_LOWER PHY_REG(778, 30) | 142 | #define HV_TNCRS_LOWER PHY_REG(778, 30) |
143 | 143 | ||
144 | /* BM PHY Copper Specific Status */ | ||
145 | #define BM_CS_STATUS 17 | ||
146 | #define BM_CS_STATUS_LINK_UP 0x0400 | ||
147 | #define BM_CS_STATUS_RESOLVED 0x0800 | ||
148 | #define BM_CS_STATUS_SPEED_MASK 0xC000 | ||
149 | #define BM_CS_STATUS_SPEED_1000 0x8000 | ||
150 | |||
151 | /* 82577 Mobile Phy Status Register */ | ||
152 | #define HV_M_STATUS 26 | ||
153 | #define HV_M_STATUS_AUTONEG_COMPLETE 0x1000 | ||
154 | #define HV_M_STATUS_SPEED_MASK 0x0300 | ||
155 | #define HV_M_STATUS_SPEED_1000 0x0200 | ||
156 | #define HV_M_STATUS_LINK_UP 0x0040 | ||
157 | |||
144 | enum e1000_boards { | 158 | enum e1000_boards { |
145 | board_82571, | 159 | board_82571, |
146 | board_82572, | 160 | board_82572, |
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index 7b05cf47f7f5..aaea41ef794d 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h | |||
@@ -903,6 +903,7 @@ struct e1000_shadow_ram { | |||
903 | struct e1000_dev_spec_ich8lan { | 903 | struct e1000_dev_spec_ich8lan { |
904 | bool kmrn_lock_loss_workaround_enabled; | 904 | bool kmrn_lock_loss_workaround_enabled; |
905 | struct e1000_shadow_ram shadow_ram[E1000_ICH8_SHADOW_RAM_WORDS]; | 905 | struct e1000_shadow_ram shadow_ram[E1000_ICH8_SHADOW_RAM_WORDS]; |
906 | bool nvm_k1_enabled; | ||
906 | }; | 907 | }; |
907 | 908 | ||
908 | struct e1000_hw { | 909 | struct e1000_hw { |
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c index b6388b9535fd..51ddb04ab195 100644 --- a/drivers/net/e1000e/ich8lan.c +++ b/drivers/net/e1000e/ich8lan.c | |||
@@ -124,11 +124,25 @@ | |||
124 | 124 | ||
125 | #define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in milliseconds */ | 125 | #define SW_FLAG_TIMEOUT 1000 /* SW Semaphore flag timeout in milliseconds */ |
126 | 126 | ||
127 | /* SMBus Address Phy Register */ | ||
128 | #define HV_SMB_ADDR PHY_REG(768, 26) | ||
129 | #define HV_SMB_ADDR_PEC_EN 0x0200 | ||
130 | #define HV_SMB_ADDR_VALID 0x0080 | ||
131 | |||
132 | /* Strapping Option Register - RO */ | ||
133 | #define E1000_STRAP 0x0000C | ||
134 | #define E1000_STRAP_SMBUS_ADDRESS_MASK 0x00FE0000 | ||
135 | #define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17 | ||
136 | |||
127 | /* OEM Bits Phy Register */ | 137 | /* OEM Bits Phy Register */ |
128 | #define HV_OEM_BITS PHY_REG(768, 25) | 138 | #define HV_OEM_BITS PHY_REG(768, 25) |
129 | #define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */ | 139 | #define HV_OEM_BITS_LPLU 0x0004 /* Low Power Link Up */ |
140 | #define HV_OEM_BITS_GBE_DIS 0x0040 /* Gigabit Disable */ | ||
130 | #define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */ | 141 | #define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */ |
131 | 142 | ||
143 | #define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */ | ||
144 | #define E1000_NVM_K1_ENABLE 0x1 /* NVM Enable K1 bit */ | ||
145 | |||
132 | /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */ | 146 | /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */ |
133 | /* Offset 04h HSFSTS */ | 147 | /* Offset 04h HSFSTS */ |
134 | union ich8_hws_flash_status { | 148 | union ich8_hws_flash_status { |
@@ -208,6 +222,9 @@ static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw); | |||
208 | static s32 e1000_led_on_pchlan(struct e1000_hw *hw); | 222 | static s32 e1000_led_on_pchlan(struct e1000_hw *hw); |
209 | static s32 e1000_led_off_pchlan(struct e1000_hw *hw); | 223 | static s32 e1000_led_off_pchlan(struct e1000_hw *hw); |
210 | static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active); | 224 | static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active); |
225 | static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw); | ||
226 | static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link); | ||
227 | static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable); | ||
211 | 228 | ||
212 | static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) | 229 | static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) |
213 | { | 230 | { |
@@ -483,14 +500,6 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) | |||
483 | goto out; | 500 | goto out; |
484 | } | 501 | } |
485 | 502 | ||
486 | if (hw->mac.type == e1000_pchlan) { | ||
487 | ret_val = e1000e_write_kmrn_reg(hw, | ||
488 | E1000_KMRNCTRLSTA_K1_CONFIG, | ||
489 | E1000_KMRNCTRLSTA_K1_ENABLE); | ||
490 | if (ret_val) | ||
491 | goto out; | ||
492 | } | ||
493 | |||
494 | /* | 503 | /* |
495 | * First we want to see if the MII Status Register reports | 504 | * First we want to see if the MII Status Register reports |
496 | * link. If so, then we want to get the current speed/duplex | 505 | * link. If so, then we want to get the current speed/duplex |
@@ -500,6 +509,12 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) | |||
500 | if (ret_val) | 509 | if (ret_val) |
501 | goto out; | 510 | goto out; |
502 | 511 | ||
512 | if (hw->mac.type == e1000_pchlan) { | ||
513 | ret_val = e1000_k1_gig_workaround_hv(hw, link); | ||
514 | if (ret_val) | ||
515 | goto out; | ||
516 | } | ||
517 | |||
503 | if (!link) | 518 | if (!link) |
504 | goto out; /* No link detected */ | 519 | goto out; /* No link detected */ |
505 | 520 | ||
@@ -794,6 +809,326 @@ static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw) | |||
794 | } | 809 | } |
795 | 810 | ||
796 | /** | 811 | /** |
812 | * e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration | ||
813 | * @hw: pointer to the HW structure | ||
814 | * | ||
815 | * SW should configure the LCD from the NVM extended configuration region | ||
816 | * as a workaround for certain parts. | ||
817 | **/ | ||
818 | static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) | ||
819 | { | ||
820 | struct e1000_phy_info *phy = &hw->phy; | ||
821 | u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask; | ||
822 | s32 ret_val; | ||
823 | u16 word_addr, reg_data, reg_addr, phy_page = 0; | ||
824 | |||
825 | ret_val = hw->phy.ops.acquire_phy(hw); | ||
826 | if (ret_val) | ||
827 | return ret_val; | ||
828 | |||
829 | /* | ||
830 | * Initialize the PHY from the NVM on ICH platforms. This | ||
831 | * is needed due to an issue where the NVM configuration is | ||
832 | * not properly autoloaded after power transitions. | ||
833 | * Therefore, after each PHY reset, we will load the | ||
834 | * configuration data out of the NVM manually. | ||
835 | */ | ||
836 | if ((hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) || | ||
837 | (hw->mac.type == e1000_pchlan)) { | ||
838 | struct e1000_adapter *adapter = hw->adapter; | ||
839 | |||
840 | /* Check if SW needs to configure the PHY */ | ||
841 | if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) || | ||
842 | (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M) || | ||
843 | (hw->mac.type == e1000_pchlan)) | ||
844 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; | ||
845 | else | ||
846 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG; | ||
847 | |||
848 | data = er32(FEXTNVM); | ||
849 | if (!(data & sw_cfg_mask)) | ||
850 | goto out; | ||
851 | |||
852 | /* Wait for basic configuration completes before proceeding */ | ||
853 | e1000_lan_init_done_ich8lan(hw); | ||
854 | |||
855 | /* | ||
856 | * Make sure HW does not configure LCD from PHY | ||
857 | * extended configuration before SW configuration | ||
858 | */ | ||
859 | data = er32(EXTCNF_CTRL); | ||
860 | if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) | ||
861 | goto out; | ||
862 | |||
863 | cnf_size = er32(EXTCNF_SIZE); | ||
864 | cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; | ||
865 | cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; | ||
866 | if (!cnf_size) | ||
867 | goto out; | ||
868 | |||
869 | cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; | ||
870 | cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; | ||
871 | |||
872 | if (!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) && | ||
873 | (hw->mac.type == e1000_pchlan)) { | ||
874 | /* | ||
875 | * HW configures the SMBus address and LEDs when the | ||
876 | * OEM and LCD Write Enable bits are set in the NVM. | ||
877 | * When both NVM bits are cleared, SW will configure | ||
878 | * them instead. | ||
879 | */ | ||
880 | data = er32(STRAP); | ||
881 | data &= E1000_STRAP_SMBUS_ADDRESS_MASK; | ||
882 | reg_data = data >> E1000_STRAP_SMBUS_ADDRESS_SHIFT; | ||
883 | reg_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID; | ||
884 | ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, | ||
885 | reg_data); | ||
886 | if (ret_val) | ||
887 | goto out; | ||
888 | |||
889 | data = er32(LEDCTL); | ||
890 | ret_val = e1000_write_phy_reg_hv_locked(hw, | ||
891 | HV_LED_CONFIG, | ||
892 | (u16)data); | ||
893 | if (ret_val) | ||
894 | goto out; | ||
895 | } | ||
896 | /* Configure LCD from extended configuration region. */ | ||
897 | |||
898 | /* cnf_base_addr is in DWORD */ | ||
899 | word_addr = (u16)(cnf_base_addr << 1); | ||
900 | |||
901 | for (i = 0; i < cnf_size; i++) { | ||
902 | ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1, | ||
903 | ®_data); | ||
904 | if (ret_val) | ||
905 | goto out; | ||
906 | |||
907 | ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1), | ||
908 | 1, ®_addr); | ||
909 | if (ret_val) | ||
910 | goto out; | ||
911 | |||
912 | /* Save off the PHY page for future writes. */ | ||
913 | if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { | ||
914 | phy_page = reg_data; | ||
915 | continue; | ||
916 | } | ||
917 | |||
918 | reg_addr &= PHY_REG_MASK; | ||
919 | reg_addr |= phy_page; | ||
920 | |||
921 | ret_val = phy->ops.write_phy_reg_locked(hw, | ||
922 | (u32)reg_addr, | ||
923 | reg_data); | ||
924 | if (ret_val) | ||
925 | goto out; | ||
926 | } | ||
927 | } | ||
928 | |||
929 | out: | ||
930 | hw->phy.ops.release_phy(hw); | ||
931 | return ret_val; | ||
932 | } | ||
933 | |||
934 | /** | ||
935 | * e1000_k1_gig_workaround_hv - K1 Si workaround | ||
936 | * @hw: pointer to the HW structure | ||
937 | * @link: link up bool flag | ||
938 | * | ||
939 | * If K1 is enabled for 1Gbps, the MAC might stall when transitioning | ||
940 | * from a lower speed. This workaround disables K1 whenever link is at 1Gig | ||
941 | * If link is down, the function will restore the default K1 setting located | ||
942 | * in the NVM. | ||
943 | **/ | ||
944 | static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link) | ||
945 | { | ||
946 | s32 ret_val = 0; | ||
947 | u16 status_reg = 0; | ||
948 | bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled; | ||
949 | |||
950 | if (hw->mac.type != e1000_pchlan) | ||
951 | goto out; | ||
952 | |||
953 | /* Wrap the whole flow with the sw flag */ | ||
954 | ret_val = hw->phy.ops.acquire_phy(hw); | ||
955 | if (ret_val) | ||
956 | goto out; | ||
957 | |||
958 | /* Disable K1 when link is 1Gbps, otherwise use the NVM setting */ | ||
959 | if (link) { | ||
960 | if (hw->phy.type == e1000_phy_82578) { | ||
961 | ret_val = hw->phy.ops.read_phy_reg_locked(hw, | ||
962 | BM_CS_STATUS, | ||
963 | &status_reg); | ||
964 | if (ret_val) | ||
965 | goto release; | ||
966 | |||
967 | status_reg &= BM_CS_STATUS_LINK_UP | | ||
968 | BM_CS_STATUS_RESOLVED | | ||
969 | BM_CS_STATUS_SPEED_MASK; | ||
970 | |||
971 | if (status_reg == (BM_CS_STATUS_LINK_UP | | ||
972 | BM_CS_STATUS_RESOLVED | | ||
973 | BM_CS_STATUS_SPEED_1000)) | ||
974 | k1_enable = false; | ||
975 | } | ||
976 | |||
977 | if (hw->phy.type == e1000_phy_82577) { | ||
978 | ret_val = hw->phy.ops.read_phy_reg_locked(hw, | ||
979 | HV_M_STATUS, | ||
980 | &status_reg); | ||
981 | if (ret_val) | ||
982 | goto release; | ||
983 | |||
984 | status_reg &= HV_M_STATUS_LINK_UP | | ||
985 | HV_M_STATUS_AUTONEG_COMPLETE | | ||
986 | HV_M_STATUS_SPEED_MASK; | ||
987 | |||
988 | if (status_reg == (HV_M_STATUS_LINK_UP | | ||
989 | HV_M_STATUS_AUTONEG_COMPLETE | | ||
990 | HV_M_STATUS_SPEED_1000)) | ||
991 | k1_enable = false; | ||
992 | } | ||
993 | |||
994 | /* Link stall fix for link up */ | ||
995 | ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19), | ||
996 | 0x0100); | ||
997 | if (ret_val) | ||
998 | goto release; | ||
999 | |||
1000 | } else { | ||
1001 | /* Link stall fix for link down */ | ||
1002 | ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19), | ||
1003 | 0x4100); | ||
1004 | if (ret_val) | ||
1005 | goto release; | ||
1006 | } | ||
1007 | |||
1008 | ret_val = e1000_configure_k1_ich8lan(hw, k1_enable); | ||
1009 | |||
1010 | release: | ||
1011 | hw->phy.ops.release_phy(hw); | ||
1012 | out: | ||
1013 | return ret_val; | ||
1014 | } | ||
1015 | |||
1016 | /** | ||
1017 | * e1000_configure_k1_ich8lan - Configure K1 power state | ||
1018 | * @hw: pointer to the HW structure | ||
1019 | * @enable: K1 state to configure | ||
1020 | * | ||
1021 | * Configure the K1 power state based on the provided parameter. | ||
1022 | * Assumes semaphore already acquired. | ||
1023 | * | ||
1024 | * Success returns 0, Failure returns -E1000_ERR_PHY (-2) | ||
1025 | **/ | ||
1026 | static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable) | ||
1027 | { | ||
1028 | s32 ret_val = 0; | ||
1029 | u32 ctrl_reg = 0; | ||
1030 | u32 ctrl_ext = 0; | ||
1031 | u32 reg = 0; | ||
1032 | u16 kmrn_reg = 0; | ||
1033 | |||
1034 | ret_val = e1000e_read_kmrn_reg_locked(hw, | ||
1035 | E1000_KMRNCTRLSTA_K1_CONFIG, | ||
1036 | &kmrn_reg); | ||
1037 | if (ret_val) | ||
1038 | goto out; | ||
1039 | |||
1040 | if (k1_enable) | ||
1041 | kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE; | ||
1042 | else | ||
1043 | kmrn_reg &= ~E1000_KMRNCTRLSTA_K1_ENABLE; | ||
1044 | |||
1045 | ret_val = e1000e_write_kmrn_reg_locked(hw, | ||
1046 | E1000_KMRNCTRLSTA_K1_CONFIG, | ||
1047 | kmrn_reg); | ||
1048 | if (ret_val) | ||
1049 | goto out; | ||
1050 | |||
1051 | udelay(20); | ||
1052 | ctrl_ext = er32(CTRL_EXT); | ||
1053 | ctrl_reg = er32(CTRL); | ||
1054 | |||
1055 | reg = ctrl_reg & ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); | ||
1056 | reg |= E1000_CTRL_FRCSPD; | ||
1057 | ew32(CTRL, reg); | ||
1058 | |||
1059 | ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS); | ||
1060 | udelay(20); | ||
1061 | ew32(CTRL, ctrl_reg); | ||
1062 | ew32(CTRL_EXT, ctrl_ext); | ||
1063 | udelay(20); | ||
1064 | |||
1065 | out: | ||
1066 | return ret_val; | ||
1067 | } | ||
1068 | |||
1069 | /** | ||
1070 | * e1000_oem_bits_config_ich8lan - SW-based LCD Configuration | ||
1071 | * @hw: pointer to the HW structure | ||
1072 | * @d0_state: boolean if entering d0 or d3 device state | ||
1073 | * | ||
1074 | * SW will configure Gbe Disable and LPLU based on the NVM. The four bits are | ||
1075 | * collectively called OEM bits. The OEM Write Enable bit and SW Config bit | ||
1076 | * in NVM determines whether HW should configure LPLU and Gbe Disable. | ||
1077 | **/ | ||
1078 | static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state) | ||
1079 | { | ||
1080 | s32 ret_val = 0; | ||
1081 | u32 mac_reg; | ||
1082 | u16 oem_reg; | ||
1083 | |||
1084 | if (hw->mac.type != e1000_pchlan) | ||
1085 | return ret_val; | ||
1086 | |||
1087 | ret_val = hw->phy.ops.acquire_phy(hw); | ||
1088 | if (ret_val) | ||
1089 | return ret_val; | ||
1090 | |||
1091 | mac_reg = er32(EXTCNF_CTRL); | ||
1092 | if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) | ||
1093 | goto out; | ||
1094 | |||
1095 | mac_reg = er32(FEXTNVM); | ||
1096 | if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M)) | ||
1097 | goto out; | ||
1098 | |||
1099 | mac_reg = er32(PHY_CTRL); | ||
1100 | |||
1101 | ret_val = hw->phy.ops.read_phy_reg_locked(hw, HV_OEM_BITS, &oem_reg); | ||
1102 | if (ret_val) | ||
1103 | goto out; | ||
1104 | |||
1105 | oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU); | ||
1106 | |||
1107 | if (d0_state) { | ||
1108 | if (mac_reg & E1000_PHY_CTRL_GBE_DISABLE) | ||
1109 | oem_reg |= HV_OEM_BITS_GBE_DIS; | ||
1110 | |||
1111 | if (mac_reg & E1000_PHY_CTRL_D0A_LPLU) | ||
1112 | oem_reg |= HV_OEM_BITS_LPLU; | ||
1113 | } else { | ||
1114 | if (mac_reg & E1000_PHY_CTRL_NOND0A_GBE_DISABLE) | ||
1115 | oem_reg |= HV_OEM_BITS_GBE_DIS; | ||
1116 | |||
1117 | if (mac_reg & E1000_PHY_CTRL_NOND0A_LPLU) | ||
1118 | oem_reg |= HV_OEM_BITS_LPLU; | ||
1119 | } | ||
1120 | /* Restart auto-neg to activate the bits */ | ||
1121 | oem_reg |= HV_OEM_BITS_RESTART_AN; | ||
1122 | ret_val = hw->phy.ops.write_phy_reg_locked(hw, HV_OEM_BITS, oem_reg); | ||
1123 | |||
1124 | out: | ||
1125 | hw->phy.ops.release_phy(hw); | ||
1126 | |||
1127 | return ret_val; | ||
1128 | } | ||
1129 | |||
1130 | |||
1131 | /** | ||
797 | * e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be | 1132 | * e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be |
798 | * done after every PHY reset. | 1133 | * done after every PHY reset. |
799 | **/ | 1134 | **/ |
@@ -833,10 +1168,20 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw) | |||
833 | ret_val = hw->phy.ops.acquire_phy(hw); | 1168 | ret_val = hw->phy.ops.acquire_phy(hw); |
834 | if (ret_val) | 1169 | if (ret_val) |
835 | return ret_val; | 1170 | return ret_val; |
1171 | |||
836 | hw->phy.addr = 1; | 1172 | hw->phy.addr = 1; |
837 | e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); | 1173 | ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0); |
1174 | if (ret_val) | ||
1175 | goto out; | ||
838 | hw->phy.ops.release_phy(hw); | 1176 | hw->phy.ops.release_phy(hw); |
839 | 1177 | ||
1178 | /* | ||
1179 | * Configure the K1 Si workaround during phy reset assuming there is | ||
1180 | * link so that it disables K1 if link is in 1Gbps. | ||
1181 | */ | ||
1182 | ret_val = e1000_k1_gig_workaround_hv(hw, true); | ||
1183 | |||
1184 | out: | ||
840 | return ret_val; | 1185 | return ret_val; |
841 | } | 1186 | } |
842 | 1187 | ||
@@ -882,11 +1227,8 @@ static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw) | |||
882 | **/ | 1227 | **/ |
883 | static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) | 1228 | static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) |
884 | { | 1229 | { |
885 | struct e1000_phy_info *phy = &hw->phy; | 1230 | s32 ret_val = 0; |
886 | u32 i; | 1231 | u16 reg; |
887 | u32 data, cnf_size, cnf_base_addr, sw_cfg_mask; | ||
888 | s32 ret_val; | ||
889 | u16 reg, word_addr, reg_data, reg_addr, phy_page = 0; | ||
890 | 1232 | ||
891 | ret_val = e1000e_phy_hw_reset_generic(hw); | 1233 | ret_val = e1000e_phy_hw_reset_generic(hw); |
892 | if (ret_val) | 1234 | if (ret_val) |
@@ -905,81 +1247,16 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw) | |||
905 | if (hw->mac.type == e1000_pchlan) | 1247 | if (hw->mac.type == e1000_pchlan) |
906 | e1e_rphy(hw, BM_WUC, ®); | 1248 | e1e_rphy(hw, BM_WUC, ®); |
907 | 1249 | ||
908 | /* | 1250 | /* Configure the LCD with the extended configuration region in NVM */ |
909 | * Initialize the PHY from the NVM on ICH platforms. This | 1251 | ret_val = e1000_sw_lcd_config_ich8lan(hw); |
910 | * is needed due to an issue where the NVM configuration is | 1252 | if (ret_val) |
911 | * not properly autoloaded after power transitions. | 1253 | goto out; |
912 | * Therefore, after each PHY reset, we will load the | ||
913 | * configuration data out of the NVM manually. | ||
914 | */ | ||
915 | if (hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) { | ||
916 | struct e1000_adapter *adapter = hw->adapter; | ||
917 | |||
918 | /* Check if SW needs configure the PHY */ | ||
919 | if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) || | ||
920 | (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M)) | ||
921 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; | ||
922 | else | ||
923 | sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG; | ||
924 | |||
925 | data = er32(FEXTNVM); | ||
926 | if (!(data & sw_cfg_mask)) | ||
927 | return 0; | ||
928 | |||
929 | /* Wait for basic configuration completes before proceeding */ | ||
930 | e1000_lan_init_done_ich8lan(hw); | ||
931 | |||
932 | /* | ||
933 | * Make sure HW does not configure LCD from PHY | ||
934 | * extended configuration before SW configuration | ||
935 | */ | ||
936 | data = er32(EXTCNF_CTRL); | ||
937 | if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE) | ||
938 | return 0; | ||
939 | |||
940 | cnf_size = er32(EXTCNF_SIZE); | ||
941 | cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK; | ||
942 | cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT; | ||
943 | if (!cnf_size) | ||
944 | return 0; | ||
945 | |||
946 | cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK; | ||
947 | cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT; | ||
948 | |||
949 | /* Configure LCD from extended configuration region. */ | ||
950 | |||
951 | /* cnf_base_addr is in DWORD */ | ||
952 | word_addr = (u16)(cnf_base_addr << 1); | ||
953 | |||
954 | for (i = 0; i < cnf_size; i++) { | ||
955 | ret_val = e1000_read_nvm(hw, | ||
956 | (word_addr + i * 2), | ||
957 | 1, | ||
958 | ®_data); | ||
959 | if (ret_val) | ||
960 | return ret_val; | ||
961 | |||
962 | ret_val = e1000_read_nvm(hw, | ||
963 | (word_addr + i * 2 + 1), | ||
964 | 1, | ||
965 | ®_addr); | ||
966 | if (ret_val) | ||
967 | return ret_val; | ||
968 | |||
969 | /* Save off the PHY page for future writes. */ | ||
970 | if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) { | ||
971 | phy_page = reg_data; | ||
972 | continue; | ||
973 | } | ||
974 | |||
975 | reg_addr |= phy_page; | ||
976 | 1254 | ||
977 | ret_val = e1e_wphy(hw, (u32)reg_addr, reg_data); | 1255 | /* Configure the LCD with the OEM bits in NVM */ |
978 | if (ret_val) | 1256 | if (hw->mac.type == e1000_pchlan) |
979 | return ret_val; | 1257 | ret_val = e1000_oem_bits_config_ich8lan(hw, true); |
980 | } | ||
981 | } | ||
982 | 1258 | ||
1259 | out: | ||
983 | return 0; | 1260 | return 0; |
984 | } | 1261 | } |
985 | 1262 | ||
@@ -2306,6 +2583,7 @@ static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw) | |||
2306 | **/ | 2583 | **/ |
2307 | static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) | 2584 | static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) |
2308 | { | 2585 | { |
2586 | struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan; | ||
2309 | u16 reg; | 2587 | u16 reg; |
2310 | u32 ctrl, icr, kab; | 2588 | u32 ctrl, icr, kab; |
2311 | s32 ret_val; | 2589 | s32 ret_val; |
@@ -2341,6 +2619,18 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) | |||
2341 | ew32(PBS, E1000_PBS_16K); | 2619 | ew32(PBS, E1000_PBS_16K); |
2342 | } | 2620 | } |
2343 | 2621 | ||
2622 | if (hw->mac.type == e1000_pchlan) { | ||
2623 | /* Save the NVM K1 bit setting*/ | ||
2624 | ret_val = e1000_read_nvm(hw, E1000_NVM_K1_CONFIG, 1, ®); | ||
2625 | if (ret_val) | ||
2626 | return ret_val; | ||
2627 | |||
2628 | if (reg & E1000_NVM_K1_ENABLE) | ||
2629 | dev_spec->nvm_k1_enabled = true; | ||
2630 | else | ||
2631 | dev_spec->nvm_k1_enabled = false; | ||
2632 | } | ||
2633 | |||
2344 | ctrl = er32(CTRL); | 2634 | ctrl = er32(CTRL); |
2345 | 2635 | ||
2346 | if (!e1000_check_reset_block(hw)) { | 2636 | if (!e1000_check_reset_block(hw)) { |
@@ -2386,6 +2676,15 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) | |||
2386 | if (hw->mac.type == e1000_pchlan) | 2676 | if (hw->mac.type == e1000_pchlan) |
2387 | e1e_rphy(hw, BM_WUC, ®); | 2677 | e1e_rphy(hw, BM_WUC, ®); |
2388 | 2678 | ||
2679 | ret_val = e1000_sw_lcd_config_ich8lan(hw); | ||
2680 | if (ret_val) | ||
2681 | goto out; | ||
2682 | |||
2683 | if (hw->mac.type == e1000_pchlan) { | ||
2684 | ret_val = e1000_oem_bits_config_ich8lan(hw, true); | ||
2685 | if (ret_val) | ||
2686 | goto out; | ||
2687 | } | ||
2389 | /* | 2688 | /* |
2390 | * For PCH, this write will make sure that any noise | 2689 | * For PCH, this write will make sure that any noise |
2391 | * will be detected as a CRC error and be dropped rather than show up | 2690 | * will be detected as a CRC error and be dropped rather than show up |
@@ -2404,6 +2703,7 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw) | |||
2404 | if (hw->mac.type == e1000_pchlan) | 2703 | if (hw->mac.type == e1000_pchlan) |
2405 | ret_val = e1000_hv_phy_workarounds_ich8lan(hw); | 2704 | ret_val = e1000_hv_phy_workarounds_ich8lan(hw); |
2406 | 2705 | ||
2706 | out: | ||
2407 | return ret_val; | 2707 | return ret_val; |
2408 | } | 2708 | } |
2409 | 2709 | ||
@@ -2708,14 +3008,6 @@ static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed, | |||
2708 | if (ret_val) | 3008 | if (ret_val) |
2709 | return ret_val; | 3009 | return ret_val; |
2710 | 3010 | ||
2711 | if ((hw->mac.type == e1000_pchlan) && (*speed == SPEED_1000)) { | ||
2712 | ret_val = e1000e_write_kmrn_reg(hw, | ||
2713 | E1000_KMRNCTRLSTA_K1_CONFIG, | ||
2714 | E1000_KMRNCTRLSTA_K1_DISABLE); | ||
2715 | if (ret_val) | ||
2716 | return ret_val; | ||
2717 | } | ||
2718 | |||
2719 | if ((hw->mac.type == e1000_ich8lan) && | 3011 | if ((hw->mac.type == e1000_ich8lan) && |
2720 | (hw->phy.type == e1000_phy_igp_3) && | 3012 | (hw->phy.type == e1000_phy_igp_3) && |
2721 | (*speed == SPEED_1000)) { | 3013 | (*speed == SPEED_1000)) { |
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index f9d33ab05e97..03175b3a2c9e 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c | |||
@@ -95,13 +95,6 @@ static const u16 e1000_igp_2_cable_length_table[] = | |||
95 | /* BM PHY Copper Specific Control 1 */ | 95 | /* BM PHY Copper Specific Control 1 */ |
96 | #define BM_CS_CTRL1 16 | 96 | #define BM_CS_CTRL1 16 |
97 | 97 | ||
98 | /* BM PHY Copper Specific Status */ | ||
99 | #define BM_CS_STATUS 17 | ||
100 | #define BM_CS_STATUS_LINK_UP 0x0400 | ||
101 | #define BM_CS_STATUS_RESOLVED 0x0800 | ||
102 | #define BM_CS_STATUS_SPEED_MASK 0xC000 | ||
103 | #define BM_CS_STATUS_SPEED_1000 0x8000 | ||
104 | |||
105 | #define HV_MUX_DATA_CTRL PHY_REG(776, 16) | 98 | #define HV_MUX_DATA_CTRL PHY_REG(776, 16) |
106 | #define HV_MUX_DATA_CTRL_GEN_TO_MAC 0x0400 | 99 | #define HV_MUX_DATA_CTRL_GEN_TO_MAC 0x0400 |
107 | #define HV_MUX_DATA_CTRL_FORCE_SPEED 0x0004 | 100 | #define HV_MUX_DATA_CTRL_FORCE_SPEED 0x0004 |
@@ -563,7 +556,7 @@ s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) | |||
563 | } | 556 | } |
564 | 557 | ||
565 | /** | 558 | /** |
566 | * e1000_read_kmrn_reg_locked - Read kumeran register | 559 | * e1000e_read_kmrn_reg_locked - Read kumeran register |
567 | * @hw: pointer to the HW structure | 560 | * @hw: pointer to the HW structure |
568 | * @offset: register offset to be read | 561 | * @offset: register offset to be read |
569 | * @data: pointer to the read data | 562 | * @data: pointer to the read data |
@@ -572,7 +565,7 @@ s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) | |||
572 | * information retrieved is stored in data. | 565 | * information retrieved is stored in data. |
573 | * Assumes semaphore already acquired. | 566 | * Assumes semaphore already acquired. |
574 | **/ | 567 | **/ |
575 | s32 e1000_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data) | 568 | s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data) |
576 | { | 569 | { |
577 | return __e1000_read_kmrn_reg(hw, offset, data, true); | 570 | return __e1000_read_kmrn_reg(hw, offset, data, true); |
578 | } | 571 | } |
@@ -631,7 +624,7 @@ s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) | |||
631 | } | 624 | } |
632 | 625 | ||
633 | /** | 626 | /** |
634 | * e1000_write_kmrn_reg_locked - Write kumeran register | 627 | * e1000e_write_kmrn_reg_locked - Write kumeran register |
635 | * @hw: pointer to the HW structure | 628 | * @hw: pointer to the HW structure |
636 | * @offset: register offset to write to | 629 | * @offset: register offset to write to |
637 | * @data: data to write at register offset | 630 | * @data: data to write at register offset |
@@ -639,7 +632,7 @@ s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) | |||
639 | * Write the data to PHY register at the offset using the kumeran interface. | 632 | * Write the data to PHY register at the offset using the kumeran interface. |
640 | * Assumes semaphore already acquired. | 633 | * Assumes semaphore already acquired. |
641 | **/ | 634 | **/ |
642 | s32 e1000_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data) | 635 | s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data) |
643 | { | 636 | { |
644 | return __e1000_write_kmrn_reg(hw, offset, data, true); | 637 | return __e1000_write_kmrn_reg(hw, offset, data, true); |
645 | } | 638 | } |