From: Rafał Miłecki Date: Sat, 28 Jan 2017 16:33:56 +0000 (+0100) Subject: kernel: backport support for BCM54612E PHY X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2ee7bc0a5e14981a7f753bce1d5ea61e2c223799;p=librecmc%2Flibrecmc.git kernel: backport support for BCM54612E PHY Signed-off-by: Rafał Miłecki --- diff --git a/target/linux/generic/patches-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch b/target/linux/generic/patches-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch new file mode 100644 index 0000000000..6f6536bb1f --- /dev/null +++ b/target/linux/generic/patches-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch @@ -0,0 +1,103 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Subject: [PATCH 1/2] net: phy: cherry-pick Broadcom drivers updates from + v4.10-rc1 + +Signed-off-by: Rafał Miłecki +--- + +--- a/drivers/net/phy/broadcom.c ++++ b/drivers/net/phy/broadcom.c +@@ -337,6 +337,41 @@ static int bcm5481_config_aneg(struct ph + return ret; + } + ++static int bcm54612e_config_aneg(struct phy_device *phydev) ++{ ++ int ret; ++ ++ /* First, auto-negotiate. */ ++ ret = genphy_config_aneg(phydev); ++ ++ /* Clear TX internal delay unless requested. */ ++ if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) && ++ (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) { ++ /* Disable TXD to GTXCLK clock delay (default set) */ ++ /* Bit 9 is the only field in shadow register 00011 */ ++ bcm_phy_write_shadow(phydev, 0x03, 0); ++ } ++ ++ /* Clear RX internal delay unless requested. */ ++ if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) && ++ (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) { ++ u16 reg; ++ ++ /* Errata: reads require filling in the write selector field */ ++ bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, ++ MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC); ++ reg = phy_read(phydev, MII_BCM54XX_AUX_CTL); ++ /* Disable RXD to RXC delay (default set) */ ++ reg &= ~MII_BCM54XX_AUXCTL_MISC_RXD_RXC_SKEW; ++ /* Clear shadow selector field */ ++ reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK; ++ bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, ++ MII_BCM54XX_AUXCTL_MISC_WREN | reg); ++ } ++ ++ return ret; ++} ++ + static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set) + { + int val; +@@ -488,6 +523,19 @@ static struct phy_driver broadcom_driver + .config_intr = bcm_phy_config_intr, + .driver = { .owner = THIS_MODULE }, + }, { ++ .phy_id = PHY_ID_BCM54612E, ++ .phy_id_mask = 0xfffffff0, ++ .name = "Broadcom BCM54612E", ++ .features = PHY_GBIT_FEATURES | ++ SUPPORTED_Pause | SUPPORTED_Asym_Pause, ++ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, ++ .config_init = bcm54xx_config_init, ++ .config_aneg = bcm54612e_config_aneg, ++ .read_status = genphy_read_status, ++ .ack_interrupt = bcm_phy_ack_intr, ++ .config_intr = bcm_phy_config_intr, ++ .driver = { .owner = THIS_MODULE }, ++}, { + .phy_id = PHY_ID_BCM54616S, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM54616S", +@@ -612,6 +660,7 @@ static struct mdio_device_id __maybe_unu + { PHY_ID_BCM5411, 0xfffffff0 }, + { PHY_ID_BCM5421, 0xfffffff0 }, + { PHY_ID_BCM5461, 0xfffffff0 }, ++ { PHY_ID_BCM54612E, 0xfffffff0 }, + { PHY_ID_BCM54616S, 0xfffffff0 }, + { PHY_ID_BCM5464, 0xfffffff0 }, + { PHY_ID_BCM5481, 0xfffffff0 }, +--- a/include/linux/brcmphy.h ++++ b/include/linux/brcmphy.h +@@ -18,6 +18,7 @@ + #define PHY_ID_BCM5421 0x002060e0 + #define PHY_ID_BCM5464 0x002060b0 + #define PHY_ID_BCM5461 0x002060c0 ++#define PHY_ID_BCM54612E 0x03625e60 + #define PHY_ID_BCM54616S 0x03625d10 + #define PHY_ID_BCM57780 0x03625d90 + +@@ -102,11 +103,12 @@ + #define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA 0x0800 + + #define MII_BCM54XX_AUXCTL_MISC_WREN 0x8000 ++#define MII_BCM54XX_AUXCTL_MISC_RXD_RXC_SKEW 0x0100 + #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX 0x0200 + #define MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC 0x7000 + #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC 0x0007 + +-#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000 ++#define MII_BCM54XX_AUXCTL_SHDWSEL_MASK 0x0007 + + /* + * Broadcom LED source encodings. These are used in BCM5461, BCM5481,