From 2cd32a3304cd52411da2dfac6db429efcad74ac8 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Fri, 13 Oct 2017 10:22:41 +0200 Subject: [PATCH] kernel: add fix for bgmac with B50212E B1 PHY MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This PHY requires some extra programming to work reliably with all devices. Backport upstream fix for it. Signed-off-by: Rafał Miłecki --- ...-master-mode-for-BCM54210E-and-B5021.patch | 50 +++++++++++++++++ ...-support-new-device-flag-for-setting.patch | 54 +++++++++++++++++++ .../hack-4.9/773-bgmac-add-srab-switch.patch | 2 +- ...-master-mode-for-BCM54210E-and-B5021.patch | 50 +++++++++++++++++ ...ick-Broadcom-drivers-updates-from-v4.patch | 3 +- ...ck-Broadcom-drivers-updates-from-v4.patch} | 12 ++++- ...ick-Broadcom-drivers-updates-from-v4.patch | 37 +++++++++++++ .../773-bgmac-add-srab-switch.patch | 2 +- 8 files changed, 204 insertions(+), 6 deletions(-) create mode 100644 target/linux/generic/backport-4.9/071-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch create mode 100644 target/linux/generic/backport-4.9/076-v4.15-0001-net-phy-broadcom-support-new-device-flag-for-setting.patch create mode 100644 target/linux/generic/pending-4.4/073-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch rename target/linux/generic/pending-4.4/{078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch => 078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch} (93%) create mode 100644 target/linux/generic/pending-4.4/078-0006-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch diff --git a/target/linux/generic/backport-4.9/071-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch b/target/linux/generic/backport-4.9/071-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch new file mode 100644 index 0000000000..c371e6355a --- /dev/null +++ b/target/linux/generic/backport-4.9/071-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch @@ -0,0 +1,50 @@ +From 12acd136913ccdf394eeb2bc8686ff5505368119 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 12 Oct 2017 10:21:26 +0200 +Subject: [PATCH] net: bgmac: enable master mode for BCM54210E and B50212E PHYs +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +There are 4 very similar PHYs: +0x600d84a1: BCM54210E (rev B0) +0x600d84a2: BCM54210E (rev B1) +0x600d84a5: B50212E (rev B0) +0x600d84a6: B50212E (rev B1) +that need setting master mode manually. It's because they run in slave +mode by default with Automatic Slave/Master configuration disabled which +can lead to unreliable connection with massive ping loss. + +So far it was reported for a board with BCM47189 SoC and B50212E B1 PHY +connected to the bgmac supported ethernet device. Telling PHY driver to +setup PHY properly solves this issue. + +Signed-off-by: Rafał Miłecki +Signed-off-by: David S. Miller +--- + drivers/net/ethernet/broadcom/bgmac-bcma.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c ++++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c +@@ -159,13 +159,19 @@ static int bgmac_probe(struct bcma_devic + + if (!bgmac_is_bcm4707_family(core) && + !(ci->id == BCMA_CHIP_ID_BCM53573 && core->core_unit == 1)) { ++ struct phy_device *phydev; ++ + mii_bus = bcma_mdio_mii_register(bgmac); + if (IS_ERR(mii_bus)) { + err = PTR_ERR(mii_bus); + goto err; + } +- + bgmac->mii_bus = mii_bus; ++ ++ phydev = mdiobus_get_phy(bgmac->mii_bus, bgmac->phyaddr); ++ if (ci->id == BCMA_CHIP_ID_BCM53573 && phydev && ++ (phydev->drv->phy_id & phydev->drv->phy_id_mask) == PHY_ID_BCM54210E) ++ phydev->dev_flags |= PHY_BRCM_EN_MASTER_MODE; + } + + if (core->bus->hosttype == BCMA_HOSTTYPE_PCI) { diff --git a/target/linux/generic/backport-4.9/076-v4.15-0001-net-phy-broadcom-support-new-device-flag-for-setting.patch b/target/linux/generic/backport-4.9/076-v4.15-0001-net-phy-broadcom-support-new-device-flag-for-setting.patch new file mode 100644 index 0000000000..334c444692 --- /dev/null +++ b/target/linux/generic/backport-4.9/076-v4.15-0001-net-phy-broadcom-support-new-device-flag-for-setting.patch @@ -0,0 +1,54 @@ +From 2355a6546a053b1c16ebefd6ce1f0cccc00e1da5 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 12 Oct 2017 10:21:25 +0200 +Subject: [PATCH] net: phy: broadcom: support new device flag for setting + master mode +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Some of Broadcom's PHYs run by default in slave mode with Automatic +Slave/Master configuration disabled. It stops them from working properly +with some devices. + +So far it has been verified for BCM54210E and BCM50212E which don't +work well with Intel's I217-LM and I218-LM: +http://ark.intel.com/products/60019/Intel-Ethernet-Connection-I217-LM +http://ark.intel.com/products/71307/Intel-Ethernet-Connection-I218-LM +I was told there is massive ping loss. + +This commit adds support for a new flag which can be set by an ethernet +driver to fixup PHY setup. + +Signed-off-by: Rafał Miłecki +Signed-off-by: David S. Miller +--- + drivers/net/phy/broadcom.c | 6 ++++++ + include/linux/brcmphy.h | 1 + + 2 files changed, 7 insertions(+) + +--- a/drivers/net/phy/broadcom.c ++++ b/drivers/net/phy/broadcom.c +@@ -43,6 +43,12 @@ static int bcm54210e_config_init(struct + val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN; + bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val); + ++ if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) { ++ val = phy_read(phydev, MII_CTRL1000); ++ val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER; ++ phy_write(phydev, MII_CTRL1000, val); ++ } ++ + return 0; + } + +--- a/include/linux/brcmphy.h ++++ b/include/linux/brcmphy.h +@@ -59,6 +59,7 @@ + #define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000 + #define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000 + #define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000 ++#define PHY_BRCM_EN_MASTER_MODE 0x00010000 + + /* Broadcom BCM7xxx specific workarounds */ + #define PHY_BRCM_7XXX_REV(x) (((x) >> 8) & 0xff) diff --git a/target/linux/generic/hack-4.9/773-bgmac-add-srab-switch.patch b/target/linux/generic/hack-4.9/773-bgmac-add-srab-switch.patch index c865177c2a..e6ad0a51dc 100644 --- a/target/linux/generic/hack-4.9/773-bgmac-add-srab-switch.patch +++ b/target/linux/generic/hack-4.9/773-bgmac-add-srab-switch.patch @@ -14,7 +14,7 @@ Signed-off-by: Hauke Mehrtens --- a/drivers/net/ethernet/broadcom/bgmac-bcma.c +++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c -@@ -230,6 +230,7 @@ static int bgmac_probe(struct bcma_devic +@@ -236,6 +236,7 @@ static int bgmac_probe(struct bcma_devic bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; bgmac->feature_flags |= BGMAC_FEAT_NO_RESET; bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500; diff --git a/target/linux/generic/pending-4.4/073-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch b/target/linux/generic/pending-4.4/073-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch new file mode 100644 index 0000000000..27cd660b5c --- /dev/null +++ b/target/linux/generic/pending-4.4/073-v4.15-0001-net-bgmac-enable-master-mode-for-BCM54210E-and-B5021.patch @@ -0,0 +1,50 @@ +From 12acd136913ccdf394eeb2bc8686ff5505368119 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Thu, 12 Oct 2017 10:21:26 +0200 +Subject: [PATCH] net: bgmac: enable master mode for BCM54210E and B50212E PHYs +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +There are 4 very similar PHYs: +0x600d84a1: BCM54210E (rev B0) +0x600d84a2: BCM54210E (rev B1) +0x600d84a5: B50212E (rev B0) +0x600d84a6: B50212E (rev B1) +that need setting master mode manually. It's because they run in slave +mode by default with Automatic Slave/Master configuration disabled which +can lead to unreliable connection with massive ping loss. + +So far it was reported for a board with BCM47189 SoC and B50212E B1 PHY +connected to the bgmac supported ethernet device. Telling PHY driver to +setup PHY properly solves this issue. + +Signed-off-by: Rafał Miłecki +Signed-off-by: David S. Miller +--- + drivers/net/ethernet/broadcom/bgmac-bcma.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c ++++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c +@@ -159,13 +159,19 @@ static int bgmac_probe(struct bcma_devic + + if (!bgmac_is_bcm4707_family(core) && + !(ci->id == BCMA_CHIP_ID_BCM53573 && core->core_unit == 1)) { ++ struct phy_device *phydev; ++ + mii_bus = bcma_mdio_mii_register(bgmac); + if (IS_ERR(mii_bus)) { + err = PTR_ERR(mii_bus); + goto err; + } +- + bgmac->mii_bus = mii_bus; ++ ++ phydev = bgmac->mii_bus->phy_map[bgmac->phyaddr]; ++ if (ci->id == BCMA_CHIP_ID_BCM53573 && phydev && ++ (phydev->drv->phy_id & phydev->drv->phy_id_mask) == PHY_ID_BCM54210E) ++ phydev->dev_flags |= PHY_BRCM_EN_MASTER_MODE; + } + + if (core->bus->hosttype == BCMA_HOSTTYPE_PCI) { diff --git a/target/linux/generic/pending-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch b/target/linux/generic/pending-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch index bf8818976f..1d943d605b 100644 --- a/target/linux/generic/pending-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch +++ b/target/linux/generic/pending-4.4/078-0003-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch @@ -1,6 +1,5 @@ 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 +Subject: [PATCH] net: phy: cherry-pick Broadcom drivers updates from v4.10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit diff --git a/target/linux/generic/pending-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch b/target/linux/generic/pending-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch similarity index 93% rename from target/linux/generic/pending-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch rename to target/linux/generic/pending-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch index 794753ffa3..269c4e7247 100644 --- a/target/linux/generic/pending-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch +++ b/target/linux/generic/pending-4.4/078-0004-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch @@ -1,10 +1,18 @@ From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= -Subject: [PATCH 2/2] net: phy: pick Broadcom drivers updates from net-next for - 4.11 +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 --- diff --git a/target/linux/generic/pending-4.4/078-0006-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch b/target/linux/generic/pending-4.4/078-0006-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch new file mode 100644 index 0000000000..c39995da7b --- /dev/null +++ b/target/linux/generic/pending-4.4/078-0006-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch @@ -0,0 +1,37 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Subject: [PATCH] net: phy: cherry-pick Broadcom drivers updates from v4.15 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This includes following upstream commits: +2355a6546a05 net: phy: broadcom: support new device flag for setting master mode + +Signed-off-by: Rafał Miłecki +--- + +--- a/drivers/net/phy/broadcom.c ++++ b/drivers/net/phy/broadcom.c +@@ -43,6 +43,12 @@ static int bcm54210e_config_init(struct + val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN; + bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val); + ++ if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) { ++ val = phy_read(phydev, MII_CTRL1000); ++ val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER; ++ phy_write(phydev, MII_CTRL1000, val); ++ } ++ + return 0; + } + +--- a/include/linux/brcmphy.h ++++ b/include/linux/brcmphy.h +@@ -59,6 +59,7 @@ + #define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000 + #define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000 + #define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000 ++#define PHY_BRCM_EN_MASTER_MODE 0x00010000 + + /* Broadcom BCM7xxx specific workarounds */ + #define PHY_BRCM_7XXX_REV(x) (((x) >> 8) & 0xff) diff --git a/target/linux/generic/pending-4.4/773-bgmac-add-srab-switch.patch b/target/linux/generic/pending-4.4/773-bgmac-add-srab-switch.patch index 5e358c38c1..b3cb087235 100644 --- a/target/linux/generic/pending-4.4/773-bgmac-add-srab-switch.patch +++ b/target/linux/generic/pending-4.4/773-bgmac-add-srab-switch.patch @@ -78,7 +78,7 @@ Signed-off-by: Hauke Mehrtens struct bgmac *bgmac_alloc(struct device *dev); --- a/drivers/net/ethernet/broadcom/bgmac-bcma.c +++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c -@@ -230,6 +230,7 @@ static int bgmac_probe(struct bcma_devic +@@ -236,6 +236,7 @@ static int bgmac_probe(struct bcma_devic bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; bgmac->feature_flags |= BGMAC_FEAT_NO_RESET; bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500; -- 2.25.1