diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h index 824a2636aa9a5cb82096d4113a7a3de62eee2bd9..85e142cf01a890eecf556fe78c627b8d62784563 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h @@ -81,7 +81,12 @@ #define IXGBE_I2C_EEPROM_STATUS_FAIL 0x2 #define IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS 0x3 #define IXGBE_CS4227 0xBE /* CS4227 address */ -#define IXGBE_CS4227_SPARE24_LSB 0x12B0 /* Reg to program EDC */ +#define IXGBE_CS4227_LINE_SPARE22_MSB 0x12AD /* Reg to set speed */ +#define IXGBE_CS4227_LINE_SPARE24_LSB 0x12B0 /* Reg to set EDC */ +#define IXGBE_CS4227_HOST_SPARE22_MSB 0x1AAD /* Reg to set speed */ +#define IXGBE_CS4227_HOST_SPARE24_LSB 0x1AB0 /* Reg to program EDC */ +#define IXGBE_CS4227_SPEED_1G 0x8000 +#define IXGBE_CS4227_SPEED_10G 0 #define IXGBE_CS4227_EDC_MODE_CX1 0x0002 #define IXGBE_CS4227_EDC_MODE_SR 0x0004 diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index c6ae72bc92a01fd29cfc41ac2921e46860ff59b5..970dc6a78e144f0d1241537565882c3d00a67281 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -909,6 +909,40 @@ static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed) return status; } +/** + * ixgbe_supported_sfp_modules_X550em - Check if SFP module type is supported + * @hw: pointer to hardware structure + * @linear: true if SFP module is linear + */ +static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear) +{ + switch (hw->phy.sfp_type) { + case ixgbe_sfp_type_not_present: + return IXGBE_ERR_SFP_NOT_PRESENT; + case ixgbe_sfp_type_da_cu_core0: + case ixgbe_sfp_type_da_cu_core1: + *linear = true; + break; + case ixgbe_sfp_type_srlr_core0: + case ixgbe_sfp_type_srlr_core1: + case ixgbe_sfp_type_da_act_lmt_core0: + case ixgbe_sfp_type_da_act_lmt_core1: + case ixgbe_sfp_type_1g_sx_core0: + case ixgbe_sfp_type_1g_sx_core1: + case ixgbe_sfp_type_1g_lx_core0: + case ixgbe_sfp_type_1g_lx_core1: + *linear = false; + break; + case ixgbe_sfp_type_unknown: + case ixgbe_sfp_type_1g_cu_core0: + case ixgbe_sfp_type_1g_cu_core1: + default: + return IXGBE_ERR_SFP_NOT_SUPPORTED; + } + + return 0; +} + /** * ixgbe_setup_mac_link_sfp_x550em - Configure the KR PHY for SFP. * @hw: pointer to hardware structure @@ -920,7 +954,49 @@ ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw, ixgbe_link_speed speed, __always_unused bool autoneg_wait_to_complete) { - return ixgbe_setup_ixfi_x550em(hw, &speed); + s32 status; + u16 slice, value; + bool setup_linear = false; + + /* Check if SFP module is supported and linear */ + status = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear); + + /* If no SFP module present, then return success. Return success since + * there is no reason to configure CS4227 and SFP not present error is + * not accepted in the setup MAC link flow. + */ + if (status == IXGBE_ERR_SFP_NOT_PRESENT) + return 0; + + if (status) + return status; + + /* Configure CS4227 LINE side to 10G SR. */ + slice = IXGBE_CS4227_LINE_SPARE22_MSB + (hw->bus.lan_id << 12); + value = IXGBE_CS4227_SPEED_10G; + status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice, + value); + + /* Configure CS4227 for HOST connection rate then type. */ + slice = IXGBE_CS4227_HOST_SPARE22_MSB + (hw->bus.lan_id << 12); + value = speed & IXGBE_LINK_SPEED_10GB_FULL ? + IXGBE_CS4227_SPEED_10G : IXGBE_CS4227_SPEED_1G; + status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice, + value); + + slice = IXGBE_CS4227_HOST_SPARE24_LSB + (hw->bus.lan_id << 12); + if (setup_linear) + value = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1; + else + value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1; + status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227, slice, + value); + + /* If internal link mode is XFI, then setup XFI internal link. */ + if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) + status = ixgbe_setup_ixfi_x550em(hw, &speed); + + return status; } /** @@ -1036,53 +1112,18 @@ static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw) */ static s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw) { - bool setup_linear; - u16 reg_slice, edc_mode; - s32 ret_val; + s32 status; + bool linear; - switch (hw->phy.sfp_type) { - case ixgbe_sfp_type_unknown: - return 0; - case ixgbe_sfp_type_not_present: - return IXGBE_ERR_SFP_NOT_PRESENT; - case ixgbe_sfp_type_da_cu_core0: - case ixgbe_sfp_type_da_cu_core1: - setup_linear = true; - break; - case ixgbe_sfp_type_srlr_core0: - case ixgbe_sfp_type_srlr_core1: - case ixgbe_sfp_type_da_act_lmt_core0: - case ixgbe_sfp_type_da_act_lmt_core1: - case ixgbe_sfp_type_1g_sx_core0: - case ixgbe_sfp_type_1g_sx_core1: - setup_linear = false; - break; - default: - return IXGBE_ERR_SFP_NOT_SUPPORTED; - } + /* Check if SFP module is supported */ + status = ixgbe_supported_sfp_modules_X550em(hw, &linear); + if (status) + return status; ixgbe_init_mac_link_ops_X550em(hw); hw->phy.ops.reset = NULL; - /* The CS4227 slice address is the base address + the port-pair reg - * offset. I.e. Slice 0 = 0x12B0 and slice 1 = 0x22B0. - */ - reg_slice = IXGBE_CS4227_SPARE24_LSB + (hw->bus.lan_id << 12); - - if (setup_linear) - edc_mode = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1; - else - edc_mode = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1; - - /* Configure CS4227 for connection type. */ - ret_val = hw->phy.ops.write_i2c_combined(hw, IXGBE_CS4227, reg_slice, - edc_mode); - - if (ret_val) - ret_val = hw->phy.ops.write_i2c_combined(hw, 0x80, reg_slice, - edc_mode); - - return ret_val; + return 0; } /** ixgbe_get_link_capabilities_x550em - Determines link capabilities