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74d00a8c38
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
95 lines
3.1 KiB
Diff
95 lines
3.1 KiB
Diff
From: Xo Wang <xow@google.com>
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Date: Fri, 21 Oct 2016 10:20:13 -0700
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Subject: [PATCH] net: phy: broadcom: Add support for BCM54612E
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This PHY has internal delays enabled after reset. This clears the
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internal delay enables unless the interface specifically requests them.
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Signed-off-by: Xo Wang <xow@google.com>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Reviewed-by: Joel Stanley <joel@jms.id.au>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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--- a/drivers/net/phy/broadcom.c
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+++ b/drivers/net/phy/broadcom.c
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@@ -337,6 +337,41 @@ static int bcm5481_config_aneg(struct ph
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return ret;
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}
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+static int bcm54612e_config_aneg(struct phy_device *phydev)
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+{
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+ int ret;
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+
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+ /* First, auto-negotiate. */
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+ ret = genphy_config_aneg(phydev);
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+
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+ /* Clear TX internal delay unless requested. */
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+ if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
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+ (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) {
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+ /* Disable TXD to GTXCLK clock delay (default set) */
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+ /* Bit 9 is the only field in shadow register 00011 */
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+ bcm_phy_write_shadow(phydev, 0x03, 0);
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+ }
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+
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+ /* Clear RX internal delay unless requested. */
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+ if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
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+ (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) {
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+ u16 reg;
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+
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+ /* Errata: reads require filling in the write selector field */
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+ bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
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+ MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC);
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+ reg = phy_read(phydev, MII_BCM54XX_AUX_CTL);
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+ /* Disable RXD to RXC delay (default set) */
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+ reg &= ~MII_BCM54XX_AUXCTL_MISC_RXD_RXC_SKEW;
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+ /* Clear shadow selector field */
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+ reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK;
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+ bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
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+ MII_BCM54XX_AUXCTL_MISC_WREN | reg);
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+ }
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+
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+ return ret;
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+}
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+
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static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
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{
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int val;
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@@ -485,6 +520,18 @@ static struct phy_driver broadcom_driver
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.ack_interrupt = bcm_phy_ack_intr,
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.config_intr = bcm_phy_config_intr,
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}, {
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+ .phy_id = PHY_ID_BCM54612E,
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+ .phy_id_mask = 0xfffffff0,
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+ .name = "Broadcom BCM54612E",
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+ .features = PHY_GBIT_FEATURES |
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+ SUPPORTED_Pause | SUPPORTED_Asym_Pause,
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+ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
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+ .config_init = bcm54xx_config_init,
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+ .config_aneg = bcm54612e_config_aneg,
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+ .read_status = genphy_read_status,
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+ .ack_interrupt = bcm_phy_ack_intr,
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+ .config_intr = bcm_phy_config_intr,
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+}, {
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.phy_id = PHY_ID_BCM54616S,
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.phy_id_mask = 0xfffffff0,
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.name = "Broadcom BCM54616S",
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@@ -600,6 +647,7 @@ static struct mdio_device_id __maybe_unu
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{ PHY_ID_BCM5411, 0xfffffff0 },
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{ PHY_ID_BCM5421, 0xfffffff0 },
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{ PHY_ID_BCM5461, 0xfffffff0 },
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+ { PHY_ID_BCM54612E, 0xfffffff0 },
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{ PHY_ID_BCM54616S, 0xfffffff0 },
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{ PHY_ID_BCM5464, 0xfffffff0 },
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{ PHY_ID_BCM5481, 0xfffffff0 },
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--- a/include/linux/brcmphy.h
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+++ b/include/linux/brcmphy.h
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@@ -18,6 +18,7 @@
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#define PHY_ID_BCM5421 0x002060e0
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#define PHY_ID_BCM5464 0x002060b0
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#define PHY_ID_BCM5461 0x002060c0
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+#define PHY_ID_BCM54612E 0x03625e60
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#define PHY_ID_BCM54616S 0x03625d10
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#define PHY_ID_BCM57780 0x03625d90
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