From: Mark Rustad Date: Fri, 1 Apr 2016 19:18:40 +0000 (-0700) Subject: ixgbe: Add support for SGMII backplane interface X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=200157c2e31a5931d0d825e9fddb44d10888e6b3;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git ixgbe: Add support for SGMII backplane interface Add support for an SGMII backplane interface. Signed-off-by: Mark Rustad Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 93db4bf00dfe..c96af3fdd554 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -132,6 +132,8 @@ static const struct pci_device_id ixgbe_pci_tbl[] = { {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_X_10G_T), board_X550EM_x}, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_X_SFP), board_X550EM_x}, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_SFP_N), board_x550em_a }, + {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_SGMII), board_x550em_a }, + {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_SGMII_L), board_x550em_a }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X550EM_A_SFP), board_x550em_a }, /* required last entry */ {0, } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h index fbbc13224657..50e8bc0ef4e7 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h @@ -82,6 +82,8 @@ #define IXGBE_DEV_ID_X550EM_X_10G_T 0x15AD #define IXGBE_DEV_ID_X550EM_X_1G_T 0x15AE #define IXGBE_DEV_ID_X550EM_A_SFP_N 0x15C4 +#define IXGBE_DEV_ID_X550EM_A_SGMII 0x15C6 +#define IXGBE_DEV_ID_X550EM_A_SGMII_L 0x15C7 #define IXGBE_DEV_ID_X550EM_A_SFP 0x15CE /* VF Device IDs */ @@ -3065,6 +3067,7 @@ enum ixgbe_phy_type { ixgbe_phy_qsfp_intel, ixgbe_phy_qsfp_unknown, ixgbe_phy_sfp_unsupported, + ixgbe_phy_sgmii, ixgbe_phy_generic }; @@ -3582,6 +3585,7 @@ struct ixgbe_info { #define IXGBE_KRM_LINK_CTRL_1(P) ((P) ? 0x820C : 0x420C) #define IXGBE_KRM_AN_CNTL_1(P) ((P) ? 0x822C : 0x422C) #define IXGBE_KRM_AN_CNTL_8(P) ((P) ? 0x8248 : 0x4248) +#define IXGBE_KRM_SGMII_CTRL(P) ((P) ? 0x82A0 : 0x42A0) #define IXGBE_KRM_DSP_TXFFE_STATE_4(P) ((P) ? 0x8634 : 0x4634) #define IXGBE_KRM_DSP_TXFFE_STATE_5(P) ((P) ? 0x8638 : 0x4638) #define IXGBE_KRM_RX_TRN_LINKUP_CTRL(P) ((P) ? 0x8B00 : 0x4B00) @@ -3595,6 +3599,8 @@ struct ixgbe_info { #define IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK (0x7 << 8) #define IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G (2 << 8) #define IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G (4 << 8) +#define IXGBE_KRM_LINK_CTRL_1_TETH_AN_SGMII_EN BIT(12) +#define IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN BIT(13) #define IXGBE_KRM_LINK_CTRL_1_TETH_AN_FEC_REQ (1 << 14) #define IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC (1 << 15) #define IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX (1 << 16) @@ -3610,6 +3616,9 @@ struct ixgbe_info { #define IXGBE_KRM_AN_CNTL_8_LINEAR BIT(0) #define IXGBE_KRM_AN_CNTL_8_LIMITING BIT(1) +#define IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_100_D BIT(12) +#define IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_10_D BIT(19) + #define IXGBE_KRM_DSP_TXFFE_STATE_C0_EN (1 << 6) #define IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN (1 << 15) #define IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN (1 << 16) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index a9d86b37872c..81e5d54476c7 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -1558,6 +1558,57 @@ static s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw, return 0; } +/** + * ixgbe_setup_sgmii - Set up link for sgmii + * @hw: pointer to hardware structure + */ +static s32 +ixgbe_setup_sgmii(struct ixgbe_hw *hw, __always_unused ixgbe_link_speed speed, + __always_unused bool autoneg_wait_to_complete) +{ + struct ixgbe_mac_info *mac = &hw->mac; + u32 lval, sval; + s32 rc; + + rc = mac->ops.read_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &lval); + if (rc) + return rc; + + lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE; + lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK; + lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_SGMII_EN; + lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN; + lval |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G; + rc = mac->ops.write_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, lval); + if (rc) + return rc; + + rc = mac->ops.read_iosf_sb_reg(hw, + IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, &sval); + if (rc) + return rc; + + sval |= IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_10_D; + sval |= IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_100_D; + rc = mac->ops.write_iosf_sb_reg(hw, + IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, sval); + if (rc) + return rc; + + lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART; + rc = mac->ops.write_iosf_sb_reg(hw, + IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, lval); + + return rc; +} + /** ixgbe_init_mac_link_ops_X550em - init mac link function pointers * @hw: pointer to hardware structure **/ @@ -1597,6 +1648,9 @@ static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw) mac->ops.check_link = ixgbe_check_link_t_X550em; return; case ixgbe_media_type_backplane: + if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII || + hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII_L) + mac->ops.setup_link = ixgbe_setup_sgmii; break; default: mac->ops.setup_fc = ixgbe_setup_fc_x550em; @@ -2377,6 +2431,10 @@ static enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw) /* Detect if there is a copper PHY attached. */ switch (hw->device_id) { + case IXGBE_DEV_ID_X550EM_A_SGMII: + case IXGBE_DEV_ID_X550EM_A_SGMII_L: + hw->phy.type = ixgbe_phy_sgmii; + /* Fallthrough */ case IXGBE_DEV_ID_X550EM_X_KR: case IXGBE_DEV_ID_X550EM_X_KX4: media_type = ixgbe_media_type_backplane;