diff options
Diffstat (limited to 'target/linux/generic/pending-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch')
-rw-r--r-- | target/linux/generic/pending-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch b/target/linux/generic/pending-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch new file mode 100644 index 0000000000..269c4e7247 --- /dev/null +++ b/target/linux/generic/pending-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch @@ -0,0 +1,283 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Subject: [PATCH] net: phy: cherry-pick Broadcom drivers updates from v4.11 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This includes following upstream commits: +62e13097c46c net: phy: broadcom: rehook BCM54612E specific init +0fc9ae107669 net: phy: broadcom: add support for BCM54210E +5e7bfa6cb0a9 net: phy: bcm-phy-lib: clean up remaining AUXCTL register defines +8293c7bcdef1 net: phy: broadcom: drop duplicated define for RGMII SKEW delay +85b4685da52f net: phy: broadcom: use auxctl reading helper in BCM54612E code +039a7b8592ab net: phy: bcm7xxx: Implement EGPHY workaround for 7278 +582d0ac397ca net: phy: bcm7xxx: Add entry for BCM7278 + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +--- + +--- a/drivers/net/phy/bcm7xxx.c ++++ b/drivers/net/phy/bcm7xxx.c +@@ -163,12 +163,43 @@ static int bcm7xxx_28nm_e0_plus_afe_conf + return 0; + } + ++static int bcm7xxx_28nm_a0_patch_afe_config_init(struct phy_device *phydev) ++{ ++ /* +1 RC_CAL codes for RL centering for both LT and HT conditions */ ++ bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0xd003); ++ ++ /* Cut master bias current by 2% to compensate for RC_CAL offset */ ++ bcm_phy_write_misc(phydev, DSP_TAP10, 0x791b); ++ ++ /* Improve hybrid leakage */ ++ bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x10e3); ++ ++ /* Change rx_on_tune 8 to 0xf */ ++ bcm_phy_write_misc(phydev, 0x21, 0x2, 0x87f6); ++ ++ /* Change 100Tx EEE bandwidth */ ++ bcm_phy_write_misc(phydev, 0x22, 0x2, 0x017d); ++ ++ /* Enable ffe zero detection for Vitesse interoperability */ ++ bcm_phy_write_misc(phydev, 0x26, 0x2, 0x0015); ++ ++ r_rc_cal_reset(phydev); ++ ++ return 0; ++} ++ + static int bcm7xxx_28nm_config_init(struct phy_device *phydev) + { + u8 rev = PHY_BRCM_7XXX_REV(phydev->dev_flags); + u8 patch = PHY_BRCM_7XXX_PATCH(phydev->dev_flags); + int ret = 0; + ++ /* Newer devices have moved the revision information back into a ++ * standard location in MII_PHYS_ID[23] ++ */ ++ if (rev == 0) ++ rev = phydev->phy_id & ~phydev->drv->phy_id_mask; ++ + pr_info_once("%s: %s PHY revision: 0x%02x, patch: %d\n", + dev_name(&phydev->dev), phydev->drv->name, rev, patch); + +@@ -192,6 +223,9 @@ static int bcm7xxx_28nm_config_init(stru + case 0x10: + ret = bcm7xxx_28nm_e0_plus_afe_config_init(phydev); + break; ++ case 0x01: ++ ret = bcm7xxx_28nm_a0_patch_afe_config_init(phydev); ++ break; + default: + break; + } +@@ -336,6 +370,7 @@ static int bcm7xxx_suspend(struct phy_de + + static struct phy_driver bcm7xxx_driver[] = { + BCM7XXX_28NM_GPHY(PHY_ID_BCM7250, "Broadcom BCM7250"), ++ BCM7XXX_28NM_GPHY(PHY_ID_BCM7278, "Broadcom BCM7278"), + BCM7XXX_28NM_GPHY(PHY_ID_BCM7364, "Broadcom BCM7364"), + BCM7XXX_28NM_GPHY(PHY_ID_BCM7366, "Broadcom BCM7366"), + BCM7XXX_28NM_GPHY(PHY_ID_BCM7439, "Broadcom BCM7439"), +@@ -350,6 +385,7 @@ static struct phy_driver bcm7xxx_driver[ + + static struct mdio_device_id __maybe_unused bcm7xxx_tbl[] = { + { PHY_ID_BCM7250, 0xfffffff0, }, ++ { PHY_ID_BCM7278, 0xfffffff0, }, + { PHY_ID_BCM7364, 0xfffffff0, }, + { PHY_ID_BCM7366, 0xfffffff0, }, + { PHY_ID_BCM7346, 0xfffffff0, }, +--- a/drivers/net/phy/broadcom.c ++++ b/drivers/net/phy/broadcom.c +@@ -30,6 +30,50 @@ MODULE_DESCRIPTION("Broadcom PHY driver" + MODULE_AUTHOR("Maciej W. Rozycki"); + MODULE_LICENSE("GPL"); + ++static int bcm54210e_config_init(struct phy_device *phydev) ++{ ++ int val; ++ ++ 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; ++ bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, val); ++ ++ val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL); ++ val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN; ++ bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val); ++ ++ return 0; ++} ++ ++static int bcm54612e_config_init(struct phy_device *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; ++ ++ reg = bcm54xx_auxctl_read(phydev, ++ MII_BCM54XX_AUXCTL_SHDWSEL_MISC); ++ /* Disable RXD to RXC delay (default set) */ ++ reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN; ++ /* 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 0; ++} ++ + static int bcm54810_config(struct phy_device *phydev) + { + int rc, val; +@@ -230,7 +274,15 @@ 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) { ++ if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) { ++ err = bcm54210e_config_init(phydev); ++ if (err) ++ return err; ++ } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54612E) { ++ err = bcm54612e_config_init(phydev); ++ if (err) ++ return err; ++ } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) { + err = bcm54810_config(phydev); + if (err) + return err; +@@ -375,41 +427,6 @@ 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; +@@ -548,6 +565,19 @@ static struct phy_driver broadcom_driver + .config_intr = bcm_phy_config_intr, + .driver = { .owner = THIS_MODULE }, + }, { ++ .phy_id = PHY_ID_BCM54210E, ++ .phy_id_mask = 0xfffffff0, ++ .name = "Broadcom BCM54210E", ++ .features = PHY_GBIT_FEATURES | ++ SUPPORTED_Pause | SUPPORTED_Asym_Pause, ++ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, ++ .config_init = bcm54xx_config_init, ++ .config_aneg = genphy_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_BCM5461, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM5461", +@@ -568,7 +598,7 @@ static struct phy_driver broadcom_driver + SUPPORTED_Pause | SUPPORTED_Asym_Pause, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = bcm54xx_config_init, +- .config_aneg = bcm54612e_config_aneg, ++ .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm_phy_ack_intr, + .config_intr = bcm_phy_config_intr, +@@ -708,6 +738,7 @@ module_phy_driver(broadcom_drivers); + static struct mdio_device_id __maybe_unused broadcom_tbl[] = { + { PHY_ID_BCM5411, 0xfffffff0 }, + { PHY_ID_BCM5421, 0xfffffff0 }, ++ { PHY_ID_BCM54210E, 0xfffffff0 }, + { PHY_ID_BCM5461, 0xfffffff0 }, + { PHY_ID_BCM54612E, 0xfffffff0 }, + { PHY_ID_BCM54616S, 0xfffffff0 }, +--- a/include/linux/brcmphy.h ++++ b/include/linux/brcmphy.h +@@ -17,6 +17,7 @@ + #define PHY_ID_BCM5482 0x0143bcb0 + #define PHY_ID_BCM5411 0x00206070 + #define PHY_ID_BCM5421 0x002060e0 ++#define PHY_ID_BCM54210E 0x600d84a0 + #define PHY_ID_BCM5464 0x002060b0 + #define PHY_ID_BCM5461 0x002060c0 + #define PHY_ID_BCM54612E 0x03625e60 +@@ -24,6 +25,7 @@ + #define PHY_ID_BCM57780 0x03625d90 + + #define PHY_ID_BCM7250 0xae025280 ++#define PHY_ID_BCM7278 0xae0251a0 + #define PHY_ID_BCM7364 0xae025260 + #define PHY_ID_BCM7366 0x600d8490 + #define PHY_ID_BCM7346 0x600d8650 +@@ -103,18 +105,17 @@ + /* + * AUXILIARY CONTROL SHADOW ACCESS REGISTERS. (PHY REG 0x18) + */ +-#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000 ++#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x00 + #define MII_BCM54XX_AUXCTL_ACTL_TX_6DB 0x0400 + #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_READ_SHIFT 12 +-#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN (1 << 8) ++#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC 0x07 ++#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN 0x0010 ++#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN 0x0100 ++#define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX 0x0200 ++#define MII_BCM54XX_AUXCTL_MISC_WREN 0x8000 + ++#define MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT 12 + #define MII_BCM54XX_AUXCTL_SHDWSEL_MASK 0x0007 + + /* |