diff options
Diffstat (limited to 'target/linux/ramips/patches-5.4/991-at803x.patch')
| -rw-r--r-- | target/linux/ramips/patches-5.4/991-at803x.patch | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/target/linux/ramips/patches-5.4/991-at803x.patch b/target/linux/ramips/patches-5.4/991-at803x.patch deleted file mode 100644 index a0d9a03fcf..0000000000 --- a/target/linux/ramips/patches-5.4/991-at803x.patch +++ /dev/null @@ -1,188 +0,0 @@ -From 924453aa9d2324e5611f8e2b71df746d8f0c79f1 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Ren=C3=A9=20van=20Dorst?= <opensource@vdorst.com> -Date: Fri, 13 Nov 2020 16:11:32 +0100 -Subject: [PATCH] net: phy: at803x: add support for SFP module in - RGMII-to-x-base mode -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: René van Dorst <opensource@vdorst.com> ---- - drivers/net/phy/at803x.c | 91 ++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 91 insertions(+) - ---- a/drivers/net/phy/at803x.c -+++ b/drivers/net/phy/at803x.c -@@ -14,6 +14,8 @@ - #include <linux/etherdevice.h> - #include <linux/of_gpio.h> - #include <linux/gpio/consumer.h> -+#include <linux/sfp.h> -+#include <linux/phylink.h> - - #define AT803X_SPECIFIC_STATUS 0x11 - #define AT803X_SS_SPEED_MASK (3 << 14) -@@ -52,9 +54,18 @@ - - #define AT803X_MODE_CFG_MASK 0x0F - #define AT803X_MODE_CFG_SGMII 0x01 -+#define AT803X_MODE_CFG_BX1000_RGMII_50 0x02 -+#define AT803X_MODE_CFG_BX1000_RGMII_75 0x03 -+#define AT803X_MODE_FIBER 0x01 -+#define AT803X_MODE_COPPER 0x00 - - #define AT803X_PSSR 0x11 /*PHY-Specific Status Register*/ - #define AT803X_PSSR_MR_AN_COMPLETE 0x0200 -+#define PSSR_LINK BIT(10) -+#define PSSR_SYNC_STATUS BIT(8) -+#define PSSR_DUPLEX BIT(13) -+#define PSSR_SPEED_1000 BIT(15) -+#define PSSR_SPEED_100 BIT(14) - - #define AT803X_DEBUG_REG_0 0x00 - #define AT803X_DEBUG_RX_CLK_DLY_EN BIT(15) -@@ -274,18 +285,80 @@ static int at803x_resume(struct phy_devi - return phy_modify(phydev, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE, 0); - } - -+static int at803x_mode(struct phy_device *phydev) -+{ -+ int mode; -+ -+ mode = phy_read(phydev, AT803X_REG_CHIP_CONFIG) & AT803X_MODE_CFG_MASK; -+ -+ if (mode == AT803X_MODE_CFG_BX1000_RGMII_50 || -+ mode == AT803X_MODE_CFG_BX1000_RGMII_75) -+ return AT803X_MODE_FIBER; -+ return AT803X_MODE_COPPER; -+} -+ -+static int at803x_sfp_insert(void *upstream, const struct sfp_eeprom_id *id) -+{ -+ __ETHTOOL_DECLARE_LINK_MODE_MASK(at803x_support) = { 0, }; -+ __ETHTOOL_DECLARE_LINK_MODE_MASK(support) = { 0, }; -+ struct phy_device *phydev = upstream; -+ phy_interface_t iface; -+ -+ phylink_set(at803x_support, 1000baseX_Full); -+ /* AT803x only support 1000baseX but SGMII works fine when module runs -+ * at 1Gbit. -+ */ -+ phylink_set(at803x_support, 1000baseT_Full); -+ -+ sfp_parse_support(phydev->sfp_bus, id, support); -+ -+ // Limit to interfaces that both sides support -+ linkmode_and(support, support, at803x_support); -+ -+ if (linkmode_empty(support)) -+ goto unsupported_mode; -+ -+ iface = sfp_select_interface(phydev->sfp_bus, support); -+ -+ if (iface != PHY_INTERFACE_MODE_SGMII && -+ iface != PHY_INTERFACE_MODE_1000BASEX) -+ goto unsupported_mode; -+ -+ dev_info(&phydev->mdio.dev, "SFP interface %s", phy_modes(iface)); -+ -+ return 0; -+ -+unsupported_mode: -+ dev_info(&phydev->mdio.dev, "incompatible SFP module inserted;" -+ "Only SGMII at 1Gbit/1000BASEX are supported!\n"); -+ return -EINVAL; -+} -+ -+static const struct sfp_upstream_ops at803x_sfp_ops = { -+ .attach = phy_sfp_attach, -+ .detach = phy_sfp_detach, -+ .module_insert = at803x_sfp_insert, -+}; -+ - static int at803x_probe(struct phy_device *phydev) - { - struct device *dev = &phydev->mdio.dev; - struct at803x_priv *priv; - int ret = 0; - -+ if (at803x_mode(phydev) == AT803X_MODE_FIBER) { -+ ret = phy_sfp_probe(phydev, &at803x_sfp_ops); -+ if (ret < 0) -+ return ret; -+ } -+ - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - phydev->priv = priv; - -+#if 0 - /* Some bootloaders leave the fiber page selected. - * Switch to the copper page, as otherwise we read - * the PHY capabilities from the fiber side. -@@ -295,6 +368,7 @@ static int at803x_probe(struct phy_devic - ret = at803x_write_page(phydev, AT803X_PAGE_COPPER); - mutex_unlock(&phydev->mdio.bus->mdio_lock); - } -+#endif - - return ret; - } -@@ -419,6 +493,7 @@ static int at803x_get_features(struct ph - if (err) - return err; - -+#if 0 - if (!(phydev->phy_id & phydev->drv->phy_id_mask) == (ATH8031_PHY_ID & phydev->drv->phy_id_mask)) - return 0; - -@@ -436,6 +511,7 @@ static int at803x_get_features(struct ph - */ - linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT, - phydev->supported); -+#endif - return 0; - } - -@@ -443,6 +519,10 @@ static int at803x_read_status(struct phy - { - int ss, err, old_link = phydev->link; - -+ /* Handle (Fiber) SGMII to RGMII mode */ -+ if (at803x_mode(phydev) == AT803X_MODE_FIBER) -+ return genphy_c37_read_status(phydev); -+ - /* Update the link, but return if there was an error */ - err = genphy_update_link(phydev); - if (err) -@@ -497,6 +577,19 @@ static int at803x_read_status(struct phy - return 0; - } - -+static int at803x_config_aneg(struct phy_device *phydev) -+{ -+ /* Handle (Fiber) SerDes to RGMII mode */ -+ if (at803x_mode(phydev) == AT803X_MODE_FIBER) { -+ pr_warn("%s: fiber\n", __func__); -+ return genphy_c37_config_aneg(phydev); -+ } -+ -+ pr_warn("%s: enter\n", __func__); -+ -+ return genphy_config_aneg(phydev); -+} -+ - static struct phy_driver at803x_driver[] = { - { - /* ATHEROS 8035 */ -@@ -532,6 +625,7 @@ static struct phy_driver at803x_driver[] - /* ATHEROS 8031 */ - .phy_id = ATH8031_PHY_ID, - .name = "Atheros 8031 ethernet", -+ .config_aneg = at803x_config_aneg, - .phy_id_mask = AT803X_PHY_ID_MASK, - .probe = at803x_probe, - .config_init = at803x_config_init, |