openwrtv3/target/linux/generic/patches-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch
Rafał Miłecki f67b0276b6 kernel: update Broadcom PHY drivers
This commit adds 4 patches, one per kernel version that was used for
picking updates. This adds support for few new PHYs.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2017-01-26 12:24:09 +01:00

136 lines
4.7 KiB
Diff

From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Subject: [PATCH 2/2] net: phy: pick Broadcom drivers updates from net-next for
4.11
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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
@@ -395,12 +395,10 @@ static int bcm54612e_config_aneg(struct
(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);
+ reg = bcm54xx_auxctl_read(phydev,
+ MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
/* Disable RXD to RXC delay (default set) */
- reg &= ~MII_BCM54XX_AUXCTL_MISC_RXD_RXC_SKEW;
+ 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,
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -24,6 +24,7 @@
#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 +104,17 @@
/*
* 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
/*