diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/phy/marvell-88q2xxx.c | 119 |
1 files changed, 103 insertions, 16 deletions
diff --git a/drivers/net/phy/marvell-88q2xxx.c b/drivers/net/phy/marvell-88q2xxx.c index 6b4bd9883304..c812f16eaa3a 100644 --- a/drivers/net/phy/marvell-88q2xxx.c +++ b/drivers/net/phy/marvell-88q2xxx.c @@ -12,6 +12,8 @@ #include <linux/hwmon.h> #define PHY_ID_88Q2220_REVB0 (MARVELL_PHY_ID_88Q2220 | 0x1) +#define PHY_ID_88Q2220_REVB1 (MARVELL_PHY_ID_88Q2220 | 0x2) +#define PHY_ID_88Q2220_REVB2 (MARVELL_PHY_ID_88Q2220 | 0x3) #define MDIO_MMD_AN_MV_STAT 32769 #define MDIO_MMD_AN_MV_STAT_ANEG 0x0100 @@ -129,6 +131,49 @@ static const struct mmd_val mv88q222x_revb0_init_seq1[] = { { MDIO_MMD_PCS, 0xfe05, 0x755c }, }; +static const struct mmd_val mv88q222x_revb1_init_seq0[] = { + { MDIO_MMD_PCS, 0xffe4, 0x0007 }, + { MDIO_MMD_AN, MDIO_AN_T1_CTRL, 0x0 }, + { MDIO_MMD_PCS, 0xffe3, 0x7000 }, + { MDIO_MMD_PMAPMD, MDIO_CTRL1, 0x0840 }, +}; + +static const struct mmd_val mv88q222x_revb2_init_seq0[] = { + { MDIO_MMD_PCS, 0xffe4, 0x0007 }, + { MDIO_MMD_AN, MDIO_AN_T1_CTRL, 0x0 }, + { MDIO_MMD_PMAPMD, MDIO_CTRL1, 0x0840 }, +}; + +static const struct mmd_val mv88q222x_revb1_revb2_init_seq1[] = { + { MDIO_MMD_PCS, 0xfe07, 0x125a }, + { MDIO_MMD_PCS, 0xfe09, 0x1288 }, + { MDIO_MMD_PCS, 0xfe08, 0x2588 }, + { MDIO_MMD_PCS, 0xfe72, 0x042c }, + { MDIO_MMD_PCS, 0xffe4, 0x0071 }, + { MDIO_MMD_PCS, 0xffe4, 0x0001 }, + { MDIO_MMD_PCS, 0xfe1b, 0x0048 }, + { MDIO_MMD_PMAPMD, 0x0000, 0x0000 }, + { MDIO_MMD_PCS, 0x0000, 0x0000 }, + { MDIO_MMD_PCS, 0xffdb, 0xfc10 }, + { MDIO_MMD_PCS, 0xfe1b, 0x58 }, + { MDIO_MMD_PCS, 0xfcad, 0x030c }, + { MDIO_MMD_PCS, 0x8032, 0x6001 }, + { MDIO_MMD_PCS, 0xfdff, 0x05a5 }, + { MDIO_MMD_PCS, 0xfdec, 0xdbaf }, + { MDIO_MMD_PCS, 0xfcab, 0x1054 }, + { MDIO_MMD_PCS, 0xfcac, 0x1483 }, + { MDIO_MMD_PCS, 0x8033, 0xc801 }, + { MDIO_MMD_AN, 0x8032, 0x2020 }, + { MDIO_MMD_AN, 0x8031, 0xa28 }, + { MDIO_MMD_AN, 0x8031, 0xc28 }, + { MDIO_MMD_PCS, 0xfbba, 0x0cb2 }, + { MDIO_MMD_PCS, 0xfbbb, 0x0c4a }, + { MDIO_MMD_PCS, 0xfe5f, 0xe8 }, + { MDIO_MMD_PCS, 0xfe05, 0x755c }, + { MDIO_MMD_PCS, 0xfa20, 0x002a }, + { MDIO_MMD_PCS, 0xfe11, 0x1105 }, +}; + static int mv88q2xxx_soft_reset(struct phy_device *phydev) { int ret; @@ -687,31 +732,72 @@ static int mv88q222x_soft_reset(struct phy_device *phydev) return 0; } -static int mv88q222x_revb0_config_init(struct phy_device *phydev) +static int mv88q222x_write_mmd_vals(struct phy_device *phydev, + const struct mmd_val *vals, size_t len) { - int ret, i; + int ret; - for (i = 0; i < ARRAY_SIZE(mv88q222x_revb0_init_seq0); i++) { - ret = phy_write_mmd(phydev, mv88q222x_revb0_init_seq0[i].devad, - mv88q222x_revb0_init_seq0[i].regnum, - mv88q222x_revb0_init_seq0[i].val); + for (; len; vals++, len--) { + ret = phy_write_mmd(phydev, vals->devad, vals->regnum, + vals->val); if (ret < 0) return ret; } + return 0; +} + +static int mv88q222x_revb0_config_init(struct phy_device *phydev) +{ + int ret; + + ret = mv88q222x_write_mmd_vals(phydev, mv88q222x_revb0_init_seq0, + ARRAY_SIZE(mv88q222x_revb0_init_seq0)); + if (ret < 0) + return ret; + usleep_range(5000, 10000); - for (i = 0; i < ARRAY_SIZE(mv88q222x_revb0_init_seq1); i++) { - ret = phy_write_mmd(phydev, mv88q222x_revb0_init_seq1[i].devad, - mv88q222x_revb0_init_seq1[i].regnum, - mv88q222x_revb0_init_seq1[i].val); - if (ret < 0) - return ret; - } + ret = mv88q222x_write_mmd_vals(phydev, mv88q222x_revb0_init_seq1, + ARRAY_SIZE(mv88q222x_revb0_init_seq1)); + if (ret < 0) + return ret; + + return mv88q2xxx_config_init(phydev); +} + +static int mv88q222x_revb1_revb2_config_init(struct phy_device *phydev) +{ + bool is_rev_b1 = phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] == PHY_ID_88Q2220_REVB1; + int ret; + + if (is_rev_b1) + ret = mv88q222x_write_mmd_vals(phydev, mv88q222x_revb1_init_seq0, + ARRAY_SIZE(mv88q222x_revb1_init_seq0)); + else + ret = mv88q222x_write_mmd_vals(phydev, mv88q222x_revb2_init_seq0, + ARRAY_SIZE(mv88q222x_revb2_init_seq0)); + if (ret < 0) + return ret; + + usleep_range(3000, 5000); + + ret = mv88q222x_write_mmd_vals(phydev, mv88q222x_revb1_revb2_init_seq1, + ARRAY_SIZE(mv88q222x_revb1_revb2_init_seq1)); + if (ret < 0) + return ret; return mv88q2xxx_config_init(phydev); } +static int mv88q222x_config_init(struct phy_device *phydev) +{ + if (phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] == PHY_ID_88Q2220_REVB0) + return mv88q222x_revb0_config_init(phydev); + else + return mv88q222x_revb1_revb2_config_init(phydev); +} + static int mv88q222x_cable_test_start(struct phy_device *phydev) { int ret; @@ -810,14 +896,15 @@ static struct phy_driver mv88q2xxx_driver[] = { .get_sqi_max = mv88q2xxx_get_sqi_max, }, { - PHY_ID_MATCH_EXACT(PHY_ID_88Q2220_REVB0), + .phy_id = MARVELL_PHY_ID_88Q2220, + .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "mv88q2220", .flags = PHY_POLL_CABLE_TEST, .probe = mv88q2xxx_probe, .get_features = mv88q2xxx_get_features, .config_aneg = mv88q2xxx_config_aneg, .aneg_done = genphy_c45_aneg_done, - .config_init = mv88q222x_revb0_config_init, + .config_init = mv88q222x_config_init, .read_status = mv88q2xxx_read_status, .soft_reset = mv88q222x_soft_reset, .config_intr = mv88q2xxx_config_intr, @@ -836,7 +923,7 @@ module_phy_driver(mv88q2xxx_driver); static struct mdio_device_id __maybe_unused mv88q2xxx_tbl[] = { { MARVELL_PHY_ID_88Q2110, MARVELL_PHY_ID_MASK }, - { PHY_ID_MATCH_EXACT(PHY_ID_88Q2220_REVB0), }, + { MARVELL_PHY_ID_88Q2220, MARVELL_PHY_ID_MASK }, { /*sentinel*/ } }; MODULE_DEVICE_TABLE(mdio, mv88q2xxx_tbl); |