diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/752-net-phy-add-Broadcom-BCM84881-PHY-driver.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/752-net-phy-add-Broadcom-BCM84881-PHY-driver.patch | 76 |
1 files changed, 29 insertions, 47 deletions
diff --git a/target/linux/generic/pending-5.4/752-net-phy-add-Broadcom-BCM84881-PHY-driver.patch b/target/linux/generic/pending-5.4/752-net-phy-add-Broadcom-BCM84881-PHY-driver.patch index a69cf397aa..8929f1f19e 100644 --- a/target/linux/generic/pending-5.4/752-net-phy-add-Broadcom-BCM84881-PHY-driver.patch +++ b/target/linux/generic/pending-5.4/752-net-phy-add-Broadcom-BCM84881-PHY-driver.patch @@ -1,27 +1,30 @@ -From 0f669e10ede7f06bb998373de6a9d169f47fcc66 Mon Sep 17 00:00:00 2001 +From 75f4d8d10e016f7428c268424483a927ee7a78bb Mon Sep 17 00:00:00 2001 From: Russell King <rmk+kernel@armlinux.org.uk> -Date: Tue, 5 Nov 2019 11:54:30 +0000 -Subject: [PATCH 655/660] net: phy: add Broadcom BCM84881 PHY driver +Date: Wed, 11 Dec 2019 10:56:56 +0000 +Subject: [PATCH] net: phy: add Broadcom BCM84881 PHY driver Add a rudimentary Clause 45 driver for the BCM84881 PHY, found on Methode DM7052 SFPs. +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> +Signed-off-by: David S. Miller <davem@davemloft.net> --- - drivers/net/phy/Kconfig | 5 + + drivers/net/phy/Kconfig | 6 + drivers/net/phy/Makefile | 1 + - drivers/net/phy/bcm84881.c | 290 +++++++++++++++++++++++++++++++++++++ - 3 files changed, 296 insertions(+) + drivers/net/phy/bcm84881.c | 269 +++++++++++++++++++++++++++++++++++++ + 3 files changed, 276 insertions(+) create mode 100644 drivers/net/phy/bcm84881.c --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig -@@ -280,6 +280,11 @@ config BROADCOM_PHY +@@ -329,6 +329,12 @@ config BROADCOM_PHY Currently supports the BCM5411, BCM5421, BCM5461, BCM54616S, BCM5464, BCM5481, BCM54810 and BCM5482 PHYs. +config BCM84881_PHY + tristate "Broadcom BCM84881 PHY" ++ depends on PHYLIB + ---help--- + Support the Broadcom BCM84881 PHY. + @@ -30,7 +33,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ---help--- --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile -@@ -54,6 +54,7 @@ obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o +@@ -62,6 +62,7 @@ obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o obj-$(CONFIG_BCM_CYGNUS_PHY) += bcm-cygnus.o obj-$(CONFIG_BCM_NET_PHYLIB) += bcm-phy-lib.o obj-$(CONFIG_BROADCOM_PHY) += broadcom.o @@ -40,7 +43,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> obj-$(CONFIG_DAVICOM_PHY) += davicom.o --- /dev/null +++ b/drivers/net/phy/bcm84881.c -@@ -0,0 +1,290 @@ +@@ -0,0 +1,269 @@ +// SPDX-License-Identifier: GPL-2.0 +// Broadcom BCM84881 NBASE-T PHY driver, as found on a SFP+ module. +// Copyright (C) 2019 Russell King, Deep Blue Solutions Ltd. @@ -116,34 +119,21 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> + return 0; +} + -+static int genphy_c45_an_config_aneg(struct phy_device *phydev) ++static int bcm84881_get_features(struct phy_device *phydev) +{ -+ bool changed = false; -+ u32 advertising; + int ret; + -+ phydev->advertising &= phydev->supported; -+ advertising = phydev->advertising; -+ -+ ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE, -+ ADVERTISE_ALL | ADVERTISE_100BASE4 | -+ ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM, -+ ethtool_adv_to_mii_adv_t(advertising)); -+ if (ret < 0) ++ ret = genphy_c45_pma_read_abilities(phydev); ++ if (ret) + return ret; -+ if (ret > 0) -+ changed = true; + -+ ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL, -+ MDIO_AN_10GBT_CTRL_ADV10G, -+ advertising & ADVERTISED_10000baseT_Full ? -+ MDIO_AN_10GBT_CTRL_ADV10G : 0); -+ if (ret < 0) -+ return ret; -+ if (ret > 0) -+ changed = true; ++ /* Although the PHY sets bit 1.11.8, it does not support 10M modes */ ++ linkmode_clear_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, ++ phydev->supported); ++ linkmode_clear_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, ++ phydev->supported); + -+ return genphy_c45_check_and_restart_aneg(phydev, changed); ++ return 0; +} + +static int bcm84881_config_aneg(struct phy_device *phydev) @@ -172,7 +162,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> + if (ret > 0) + changed = true; + -+ adv = ethtool_adv_to_mii_ctrl1000_t(phydev->advertising); ++ adv = linkmode_adv_to_mii_ctrl1000_t(phydev->advertising); + ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, + MDIO_AN_C22 + MII_CTRL1000, + ADVERTISE_1000FULL | ADVERTISE_1000HALF, @@ -203,7 +193,6 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> + +static int bcm84881_read_status(struct phy_device *phydev) +{ -+ bool autoneg_complete; + unsigned int mode; + int bmsr, val; + @@ -224,24 +213,24 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> + if (bmsr < 0) + return val; + -+ autoneg_complete = !!(val & MDIO_AN_STAT1_COMPLETE) && -+ !!(bmsr & BMSR_ANEGCOMPLETE); ++ phydev->autoneg_complete = !!(val & MDIO_AN_STAT1_COMPLETE) && ++ !!(bmsr & BMSR_ANEGCOMPLETE); + phydev->link = !!(val & MDIO_STAT1_LSTATUS) && + !!(bmsr & BMSR_LSTATUS); -+ if (phydev->autoneg == AUTONEG_ENABLE && !autoneg_complete) ++ if (phydev->autoneg == AUTONEG_ENABLE && !phydev->autoneg_complete) + phydev->link = false; + + if (!phydev->link) + return 0; + -+ phydev->lp_advertising = 0; ++ linkmode_zero(phydev->lp_advertising); + phydev->speed = SPEED_UNKNOWN; + phydev->duplex = DUPLEX_UNKNOWN; + phydev->pause = 0; + phydev->asym_pause = 0; + phydev->mdix = 0; + -+ if (autoneg_complete) { ++ if (phydev->autoneg_complete) { + val = genphy_c45_read_lpa(phydev); + if (val < 0) + return val; @@ -251,7 +240,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> + if (val < 0) + return val; + -+ phydev->lp_advertising |= mii_stat1000_to_ethtool_lpa_t(val); ++ mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val); + + if (phydev->autoneg == AUTONEG_ENABLE) + phy_resolve_aneg_linkmode(phydev); @@ -304,16 +293,9 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> + .phy_id = 0xae025150, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM84881", -+ .features = SUPPORTED_100baseT_Full | -+ SUPPORTED_100baseT_Half | -+ SUPPORTED_1000baseT_Full | -+ SUPPORTED_Autoneg | -+ SUPPORTED_TP | -+ SUPPORTED_FIBRE | -+ SUPPORTED_10000baseT_Full | -+ SUPPORTED_Backplane, + .config_init = bcm84881_config_init, + .probe = bcm84881_probe, ++ .get_features = bcm84881_get_features, + .config_aneg = bcm84881_config_aneg, + .aneg_done = bcm84881_aneg_done, + .read_status = bcm84881_read_status, |