openwrtv4/target/linux/generic/pending-4.4/078-0006-net-phy-cherry-pick-Broadcom-drivers-updates-from-v4.patch
Rafał Miłecki 2cd32a3304 kernel: add fix for bgmac with B50212E B1 PHY
This PHY requires some extra programming to work reliably with all
devices. Backport upstream fix for it.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2017-10-13 13:54:22 +02:00

37 lines
1.2 KiB
Diff

From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Subject: [PATCH] net: phy: cherry-pick Broadcom drivers updates from v4.15
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This includes following upstream commits:
2355a6546a05 net: phy: broadcom: support new device flag for setting master mode
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
--- 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)