diff options
Diffstat (limited to 'target/linux/generic/backport-4.9/075-v4.10-0004-net-phy-broadcom-Add-BCM54810-PHY-entry.patch')
| -rw-r--r-- | target/linux/generic/backport-4.9/075-v4.10-0004-net-phy-broadcom-Add-BCM54810-PHY-entry.patch | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/target/linux/generic/backport-4.9/075-v4.10-0004-net-phy-broadcom-Add-BCM54810-PHY-entry.patch b/target/linux/generic/backport-4.9/075-v4.10-0004-net-phy-broadcom-Add-BCM54810-PHY-entry.patch new file mode 100644 index 0000000000..3d61ec6369 --- /dev/null +++ b/target/linux/generic/backport-4.9/075-v4.10-0004-net-phy-broadcom-Add-BCM54810-PHY-entry.patch @@ -0,0 +1,176 @@ +From: Jon Mason <jon.mason@broadcom.com> +Date: Fri, 4 Nov 2016 01:10:58 -0400 +Subject: [PATCH] net: phy: broadcom: Add BCM54810 PHY entry + +The BCM54810 PHY requires some semi-unique configuration, which results +in some additional configuration in addition to the standard config. +Also, some users of the BCM54810 require the PHY lanes to be swapped. +Since there is no way to detect this, add a device tree query to see if +it is applicable. + +Inspired-by: Vikas Soni <vsoni@broadcom.com> +Signed-off-by: Jon Mason <jon.mason@broadcom.com> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + +--- a/drivers/net/phy/broadcom.c ++++ b/drivers/net/phy/broadcom.c +@@ -18,7 +18,7 @@ + #include <linux/module.h> + #include <linux/phy.h> + #include <linux/brcmphy.h> +- ++#include <linux/of.h> + + #define BRCM_PHY_MODEL(phydev) \ + ((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask) +@@ -45,6 +45,34 @@ static int bcm54xx_auxctl_write(struct p + return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val); + } + ++static int bcm54810_config(struct phy_device *phydev) ++{ ++ int rc, val; ++ ++ val = bcm_phy_read_exp(phydev, BCM54810_EXP_BROADREACH_LRE_MISC_CTL); ++ val &= ~BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN; ++ rc = bcm_phy_write_exp(phydev, BCM54810_EXP_BROADREACH_LRE_MISC_CTL, ++ val); ++ if (rc < 0) ++ return rc; ++ ++ val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC); ++ val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN; ++ val |= MII_BCM54XX_AUXCTL_MISC_WREN; ++ rc = bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, ++ val); ++ if (rc < 0) ++ return rc; ++ ++ val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL); ++ val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN; ++ rc = bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val); ++ if (rc < 0) ++ return rc; ++ ++ return 0; ++} ++ + /* Needs SMDSP clock enabled via bcm54xx_phydsp_config() */ + static int bcm50610_a0_workaround(struct phy_device *phydev) + { +@@ -217,6 +245,12 @@ static int bcm54xx_config_init(struct ph + (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE)) + bcm54xx_adjust_rxrefclk(phydev); + ++ if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) { ++ err = bcm54810_config(phydev); ++ if (err) ++ return err; ++ } ++ + bcm54xx_phydsp_config(phydev); + + return 0; +@@ -314,6 +348,7 @@ static int bcm5482_read_status(struct ph + + static int bcm5481_config_aneg(struct phy_device *phydev) + { ++ struct device_node *np = phydev->mdio.dev.of_node; + int ret; + + /* Aneg firsly. */ +@@ -344,6 +379,14 @@ static int bcm5481_config_aneg(struct ph + phy_write(phydev, 0x18, reg); + } + ++ if (of_property_read_bool(np, "enet-phy-lane-swap")) { ++ /* Lane Swap - Undocumented register...magic! */ ++ ret = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_SEL_ER + 0x9, ++ 0x11B); ++ if (ret < 0) ++ return ret; ++ } ++ + return ret; + } + +@@ -578,6 +621,18 @@ static struct phy_driver broadcom_driver + .ack_interrupt = bcm_phy_ack_intr, + .config_intr = bcm_phy_config_intr, + }, { ++ .phy_id = PHY_ID_BCM54810, ++ .phy_id_mask = 0xfffffff0, ++ .name = "Broadcom BCM54810", ++ .features = PHY_GBIT_FEATURES | ++ SUPPORTED_Pause | SUPPORTED_Asym_Pause, ++ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, ++ .config_init = bcm54xx_config_init, ++ .config_aneg = bcm5481_config_aneg, ++ .read_status = genphy_read_status, ++ .ack_interrupt = bcm_phy_ack_intr, ++ .config_intr = bcm_phy_config_intr, ++}, { + .phy_id = PHY_ID_BCM5482, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM5482", +@@ -661,6 +716,7 @@ static struct mdio_device_id __maybe_unu + { PHY_ID_BCM54616S, 0xfffffff0 }, + { PHY_ID_BCM5464, 0xfffffff0 }, + { PHY_ID_BCM5481, 0xfffffff0 }, ++ { PHY_ID_BCM54810, 0xfffffff0 }, + { PHY_ID_BCM5482, 0xfffffff0 }, + { PHY_ID_BCM50610, 0xfffffff0 }, + { PHY_ID_BCM50610M, 0xfffffff0 }, +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -204,7 +204,7 @@ config BROADCOM_PHY + select BCM_NET_PHYLIB + ---help--- + Currently supports the BCM5411, BCM5421, BCM5461, BCM54616S, BCM5464, +- BCM5481 and BCM5482 PHYs. ++ BCM5481, BCM54810 and BCM5482 PHYs. + + config CICADA_PHY + tristate "Cicada PHYs" +--- a/include/linux/brcmphy.h ++++ b/include/linux/brcmphy.h +@@ -13,6 +13,7 @@ + #define PHY_ID_BCM5241 0x0143bc30 + #define PHY_ID_BCMAC131 0x0143bc70 + #define PHY_ID_BCM5481 0x0143bca0 ++#define PHY_ID_BCM54810 0x03625d00 + #define PHY_ID_BCM5482 0x0143bcb0 + #define PHY_ID_BCM5411 0x00206070 + #define PHY_ID_BCM5421 0x002060e0 +@@ -56,6 +57,7 @@ + #define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000 + #define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000 + #define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000 ++ + /* Broadcom BCM7xxx specific workarounds */ + #define PHY_BRCM_7XXX_REV(x) (((x) >> 8) & 0xff) + #define PHY_BRCM_7XXX_PATCH(x) ((x) & 0xff) +@@ -111,6 +113,7 @@ + #define MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC 0x7000 + #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC 0x0007 + #define MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT 12 ++#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN (1 << 8) + + #define MII_BCM54XX_AUXCTL_SHDWSEL_MASK 0x0007 + +@@ -192,6 +195,12 @@ + #define BCM5482_SSD_SGMII_SLAVE_EN 0x0002 /* Slave mode enable */ + #define BCM5482_SSD_SGMII_SLAVE_AD 0x0001 /* Slave auto-detection */ + ++/* BCM54810 Registers */ ++#define BCM54810_EXP_BROADREACH_LRE_MISC_CTL (MII_BCM54XX_EXP_SEL_ER + 0x90) ++#define BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN (1 << 0) ++#define BCM54810_SHD_CLK_CTL 0x3 ++#define BCM54810_SHD_CLK_CTL_GTXCLK_EN (1 << 9) ++ + + /*****************************************************************************/ + /* Fast Ethernet Transceiver definitions. */ |