diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0011-amd-xgbe-Update-the-BelFuse-quirk-to-support-SGMII.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0011-amd-xgbe-Update-the-BelFuse-quirk-to-support-SGMII.patch | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0011-amd-xgbe-Update-the-BelFuse-quirk-to-support-SGMII.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0011-amd-xgbe-Update-the-BelFuse-quirk-to-support-SGMII.patch new file mode 100644 index 00000000..915ffd1f --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0011-amd-xgbe-Update-the-BelFuse-quirk-to-support-SGMII.patch @@ -0,0 +1,162 @@ +From 5c5431b3856e575439d5ce59699cd6f20de3a12b Mon Sep 17 00:00:00 2001 +From: Tom Lendacky <thomas.lendacky@amd.com> +Date: Wed, 23 May 2018 11:39:39 -0500 +Subject: [PATCH 11/95] amd-xgbe: Update the BelFuse quirk to support SGMII + +Instead of using a quirk to make the BelFuse 1GBT-SFP06 part look like +a 1000baseX part, program the SFP PHY to support SGMII and 10/100/1000 +baseT. + +Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> +--- + drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 109 +++++++++++++++++++--------- + 1 file changed, 75 insertions(+), 34 deletions(-) + +diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +index dd747f6..194a569 100644 +--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c ++++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +@@ -860,6 +860,9 @@ static bool xgbe_phy_finisar_phy_quirks(struct xgbe_prv_data *pdata) + struct xgbe_phy_data *phy_data = pdata->phy_data; + unsigned int phy_id = phy_data->phydev->phy_id; + ++ if (phy_data->port_mode != XGBE_PORT_MODE_SFP) ++ return false; ++ + if ((phy_id & 0xfffffff0) != 0x01ff0cc0) + return false; + +@@ -885,8 +888,80 @@ static bool xgbe_phy_finisar_phy_quirks(struct xgbe_prv_data *pdata) + return true; + } + ++static bool xgbe_phy_belfuse_phy_quirks(struct xgbe_prv_data *pdata) ++{ ++ struct xgbe_phy_data *phy_data = pdata->phy_data; ++ struct xgbe_sfp_eeprom *sfp_eeprom = &phy_data->sfp_eeprom; ++ unsigned int phy_id = phy_data->phydev->phy_id; ++ int reg; ++ ++ if (phy_data->port_mode != XGBE_PORT_MODE_SFP) ++ return false; ++ ++ if (memcmp(&sfp_eeprom->base[XGBE_SFP_BASE_VENDOR_NAME], ++ XGBE_BEL_FUSE_VENDOR, XGBE_SFP_BASE_VENDOR_NAME_LEN)) ++ return false; ++ ++ if (memcmp(&sfp_eeprom->base[XGBE_SFP_BASE_VENDOR_PN], ++ XGBE_BEL_FUSE_PARTNO, XGBE_SFP_BASE_VENDOR_PN_LEN)) ++ return false; ++ ++ if ((phy_id & 0xfffffff0) != 0x03625d10) ++ return false; ++ ++ /* Disable RGMII mode */ ++ phy_write(phy_data->phydev, 0x18, 0x7007); ++ reg = phy_read(phy_data->phydev, 0x18); ++ phy_write(phy_data->phydev, 0x18, reg & ~0x0080); ++ ++ /* Enable fiber register bank */ ++ phy_write(phy_data->phydev, 0x1c, 0x7c00); ++ reg = phy_read(phy_data->phydev, 0x1c); ++ reg &= 0x03ff; ++ reg &= ~0x0001; ++ phy_write(phy_data->phydev, 0x1c, 0x8000 | 0x7c00 | reg | 0x0001); ++ ++ /* Power down SerDes */ ++ reg = phy_read(phy_data->phydev, 0x00); ++ phy_write(phy_data->phydev, 0x00, reg | 0x00800); ++ ++ /* Configure SGMII-to-Copper mode */ ++ phy_write(phy_data->phydev, 0x1c, 0x7c00); ++ reg = phy_read(phy_data->phydev, 0x1c); ++ reg &= 0x03ff; ++ reg &= ~0x0006; ++ phy_write(phy_data->phydev, 0x1c, 0x8000 | 0x7c00 | reg | 0x0004); ++ ++ /* Power up SerDes */ ++ reg = phy_read(phy_data->phydev, 0x00); ++ phy_write(phy_data->phydev, 0x00, reg & ~0x00800); ++ ++ /* Enable copper register bank */ ++ phy_write(phy_data->phydev, 0x1c, 0x7c00); ++ reg = phy_read(phy_data->phydev, 0x1c); ++ reg &= 0x03ff; ++ reg &= ~0x0001; ++ phy_write(phy_data->phydev, 0x1c, 0x8000 | 0x7c00 | reg); ++ ++ /* Power up SerDes */ ++ reg = phy_read(phy_data->phydev, 0x00); ++ phy_write(phy_data->phydev, 0x00, reg & ~0x00800); ++ ++ phy_data->phydev->supported = PHY_GBIT_FEATURES; ++ phy_data->phydev->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; ++ phy_data->phydev->advertising = phy_data->phydev->supported; ++ ++ netif_dbg(pdata, drv, pdata->netdev, ++ "BelFuse PHY quirk in place\n"); ++ ++ return true; ++} ++ + static void xgbe_phy_external_phy_quirks(struct xgbe_prv_data *pdata) + { ++ if (xgbe_phy_belfuse_phy_quirks(pdata)) ++ return; ++ + if (xgbe_phy_finisar_phy_quirks(pdata)) + return; + } +@@ -1027,37 +1102,6 @@ static bool xgbe_phy_check_sfp_mod_absent(struct xgbe_phy_data *phy_data) + return false; + } + +-static bool xgbe_phy_belfuse_parse_quirks(struct xgbe_prv_data *pdata) +-{ +- struct xgbe_phy_data *phy_data = pdata->phy_data; +- struct xgbe_sfp_eeprom *sfp_eeprom = &phy_data->sfp_eeprom; +- +- if (memcmp(&sfp_eeprom->base[XGBE_SFP_BASE_VENDOR_NAME], +- XGBE_BEL_FUSE_VENDOR, XGBE_SFP_BASE_VENDOR_NAME_LEN)) +- return false; +- +- if (!memcmp(&sfp_eeprom->base[XGBE_SFP_BASE_VENDOR_PN], +- XGBE_BEL_FUSE_PARTNO, XGBE_SFP_BASE_VENDOR_PN_LEN)) { +- phy_data->sfp_base = XGBE_SFP_BASE_1000_SX; +- phy_data->sfp_cable = XGBE_SFP_CABLE_ACTIVE; +- phy_data->sfp_speed = XGBE_SFP_SPEED_1000; +- if (phy_data->sfp_changed) +- netif_dbg(pdata, drv, pdata->netdev, +- "Bel-Fuse SFP quirk in place\n"); +- return true; +- } +- +- return false; +-} +- +-static bool xgbe_phy_sfp_parse_quirks(struct xgbe_prv_data *pdata) +-{ +- if (xgbe_phy_belfuse_parse_quirks(pdata)) +- return true; +- +- return false; +-} +- + static void xgbe_phy_sfp_parse_eeprom(struct xgbe_prv_data *pdata) + { + struct xgbe_phy_data *phy_data = pdata->phy_data; +@@ -1076,9 +1120,6 @@ static void xgbe_phy_sfp_parse_eeprom(struct xgbe_prv_data *pdata) + phy_data->sfp_tx_fault = xgbe_phy_check_sfp_tx_fault(phy_data); + phy_data->sfp_rx_los = xgbe_phy_check_sfp_rx_los(phy_data); + +- if (xgbe_phy_sfp_parse_quirks(pdata)) +- return; +- + /* Assume ACTIVE cable unless told it is PASSIVE */ + if (sfp_base[XGBE_SFP_BASE_CABLE] & XGBE_SFP_BASE_CABLE_PASSIVE) { + phy_data->sfp_cable = XGBE_SFP_CABLE_PASSIVE; +-- +2.7.4 + |