diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/713-v5.15-net-phy-marvell-add-SFP-support-for-88E1510.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/713-v5.15-net-phy-marvell-add-SFP-support-for-88E1510.patch | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/713-v5.15-net-phy-marvell-add-SFP-support-for-88E1510.patch b/target/linux/generic/backport-5.10/713-v5.15-net-phy-marvell-add-SFP-support-for-88E1510.patch new file mode 100644 index 0000000000..7fb78089f2 --- /dev/null +++ b/target/linux/generic/backport-5.10/713-v5.15-net-phy-marvell-add-SFP-support-for-88E1510.patch @@ -0,0 +1,161 @@ +From b697d9d38a5a5ab405d7cc4743d39fe2c5d7517c Mon Sep 17 00:00:00 2001 +From: Ivan Bornyakov <i.bornyakov@metrotek.ru> +Date: Thu, 12 Aug 2021 16:42:56 +0300 +Subject: [PATCH] net: phy: marvell: add SFP support for 88E1510 + +Add support for SFP cages connected to the Marvell 88E1512 transceiver. +88E1512 supports for SGMII/1000Base-X/100Base-FX media type with RGMII +on system interface. Configure PHY to appropriate mode depending on the +type of SFP inserted. On SFP removal configure PHY to the RGMII-copper +mode so RJ-45 port can still work. + +Signed-off-by: Ivan Bornyakov <i.bornyakov@metrotek.ru> +Link: https://lore.kernel.org/r/20210812134256.2436-1-i.bornyakov@metrotek.ru +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/phy/marvell.c | 105 +++++++++++++++++++++++++++++++++++++- + 1 file changed, 104 insertions(+), 1 deletion(-) + +--- a/drivers/net/phy/marvell.c ++++ b/drivers/net/phy/marvell.c +@@ -32,6 +32,7 @@ + #include <linux/marvell_phy.h> + #include <linux/bitfield.h> + #include <linux/of.h> ++#include <linux/sfp.h> + + #include <linux/io.h> + #include <asm/irq.h> +@@ -46,6 +47,7 @@ + #define MII_MARVELL_MISC_TEST_PAGE 0x06 + #define MII_MARVELL_VCT7_PAGE 0x07 + #define MII_MARVELL_WOL_PAGE 0x11 ++#define MII_MARVELL_MODE_PAGE 0x12 + + #define MII_M1011_IEVENT 0x13 + #define MII_M1011_IEVENT_CLEAR 0x0000 +@@ -162,7 +164,14 @@ + + #define MII_88E1510_GEN_CTRL_REG_1 0x14 + #define MII_88E1510_GEN_CTRL_REG_1_MODE_MASK 0x7 ++#define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII 0x0 /* RGMII to copper */ + #define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII 0x1 /* SGMII to copper */ ++/* RGMII to 1000BASE-X */ ++#define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_1000X 0x2 ++/* RGMII to 100BASE-FX */ ++#define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_100FX 0x3 ++/* RGMII to SGMII */ ++#define MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_SGMII 0x4 + #define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */ + + #define MII_VCT5_TX_RX_MDI0_COUPLING 0x10 +@@ -2498,6 +2507,100 @@ static int marvell_probe(struct phy_devi + return marvell_hwmon_probe(phydev); + } + ++static int m88e1510_sfp_insert(void *upstream, const struct sfp_eeprom_id *id) ++{ ++ struct phy_device *phydev = upstream; ++ phy_interface_t interface; ++ struct device *dev; ++ int oldpage; ++ int ret = 0; ++ u16 mode; ++ ++ __ETHTOOL_DECLARE_LINK_MODE_MASK(supported) = { 0, }; ++ ++ dev = &phydev->mdio.dev; ++ ++ sfp_parse_support(phydev->sfp_bus, id, supported); ++ interface = sfp_select_interface(phydev->sfp_bus, supported); ++ ++ dev_info(dev, "%s SFP module inserted\n", phy_modes(interface)); ++ ++ switch (interface) { ++ case PHY_INTERFACE_MODE_1000BASEX: ++ mode = MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_1000X; ++ ++ break; ++ case PHY_INTERFACE_MODE_100BASEX: ++ mode = MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_100FX; ++ ++ break; ++ case PHY_INTERFACE_MODE_SGMII: ++ mode = MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII_SGMII; ++ ++ break; ++ default: ++ dev_err(dev, "Incompatible SFP module inserted\n"); ++ ++ return -EINVAL; ++ } ++ ++ oldpage = phy_select_page(phydev, MII_MARVELL_MODE_PAGE); ++ if (oldpage < 0) ++ goto error; ++ ++ ret = __phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1, ++ MII_88E1510_GEN_CTRL_REG_1_MODE_MASK, mode); ++ if (ret < 0) ++ goto error; ++ ++ ret = __phy_set_bits(phydev, MII_88E1510_GEN_CTRL_REG_1, ++ MII_88E1510_GEN_CTRL_REG_1_RESET); ++ ++error: ++ return phy_restore_page(phydev, oldpage, ret); ++} ++ ++static void m88e1510_sfp_remove(void *upstream) ++{ ++ struct phy_device *phydev = upstream; ++ int oldpage; ++ int ret = 0; ++ ++ oldpage = phy_select_page(phydev, MII_MARVELL_MODE_PAGE); ++ if (oldpage < 0) ++ goto error; ++ ++ ret = __phy_modify(phydev, MII_88E1510_GEN_CTRL_REG_1, ++ MII_88E1510_GEN_CTRL_REG_1_MODE_MASK, ++ MII_88E1510_GEN_CTRL_REG_1_MODE_RGMII); ++ if (ret < 0) ++ goto error; ++ ++ ret = __phy_set_bits(phydev, MII_88E1510_GEN_CTRL_REG_1, ++ MII_88E1510_GEN_CTRL_REG_1_RESET); ++ ++error: ++ phy_restore_page(phydev, oldpage, ret); ++} ++ ++static const struct sfp_upstream_ops m88e1510_sfp_ops = { ++ .module_insert = m88e1510_sfp_insert, ++ .module_remove = m88e1510_sfp_remove, ++ .attach = phy_sfp_attach, ++ .detach = phy_sfp_detach, ++}; ++ ++static int m88e1510_probe(struct phy_device *phydev) ++{ ++ int err; ++ ++ err = marvell_probe(phydev); ++ if (err) ++ return err; ++ ++ return phy_sfp_probe(phydev, &m88e1510_sfp_ops); ++} ++ + static struct phy_driver marvell_drivers[] = { + { + .phy_id = MARVELL_PHY_ID_88E1101, +@@ -2704,7 +2807,7 @@ static struct phy_driver marvell_drivers + .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops), + .features = PHY_GBIT_FIBRE_FEATURES, + .flags = PHY_POLL_CABLE_TEST, +- .probe = marvell_probe, ++ .probe = m88e1510_probe, + .config_init = m88e1510_config_init, + .config_aneg = m88e1510_config_aneg, + .read_status = marvell_read_status, |