124 lines
3 KiB
Diff
124 lines
3 KiB
Diff
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From b52546f8af54b78050f84ab031ad1aaf6507ed95 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Sat, 9 Nov 2013 17:03:59 +0100
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Subject: [PATCH 10/10] b44: register adm switch
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---
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drivers/net/ethernet/broadcom/b44.c | 64 ++++++++++++++++++++++++++++++++++-
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drivers/net/ethernet/broadcom/b44.h | 3 ++
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2 files changed, 66 insertions(+), 1 deletion(-)
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--- a/drivers/net/ethernet/broadcom/b44.c
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+++ b/drivers/net/ethernet/broadcom/b44.c
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@@ -31,6 +31,8 @@
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#include <linux/ssb/ssb.h>
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#include <linux/slab.h>
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#include <linux/phy.h>
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+#include <linux/platform_device.h>
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+#include <linux/platform_data/adm6996-gpio.h>
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#include <asm/uaccess.h>
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#include <asm/io.h>
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@@ -2216,6 +2218,58 @@ static void b44_adjust_link(struct net_d
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phy_print_status(phydev);
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}
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+#ifdef CONFIG_BCM47XX
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+static struct adm6996_gpio_platform_data b44_adm_data = {
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+ .eecs = 2,
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+ .eesk = 3,
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+ .eedi = 4,
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+ .eerc = 5,
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+ .model = ADM6996L,
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+};
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+
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+static struct platform_device b44_adm_dev = {
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+ .name = "adm6996_gpio",
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+ .id = -1,
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+ .dev = {
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+ .platform_data = &b44_adm_data,
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+ },
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+};
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+
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+static int b44_register_adm_switch(struct b44 *bp)
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+{
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+ int gpio;
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+ int err;
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+
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+ gpio = bcm47xx_nvram_gpio_pin("adm_eecs");
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+ if (gpio >= 0)
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+ b44_adm_data.eecs = gpio;
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+
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+ gpio = bcm47xx_nvram_gpio_pin("adm_eesk");
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+ if (gpio >= 0)
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+ b44_adm_data.eesk = gpio;
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+
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+ gpio = bcm47xx_nvram_gpio_pin("adm_eedi");
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+ if (gpio >= 0)
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+ b44_adm_data.eedi = gpio;
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+
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+ gpio = bcm47xx_nvram_gpio_pin("adm_rc");
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+ if (gpio >= 0)
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+ b44_adm_data.eerc = gpio;
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+
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+ if (!bp->adm_switch) {
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+ err = platform_device_register(&b44_adm_dev);
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+ if (!err)
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+ bp->adm_switch = &b44_adm_dev;
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+ }
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+ return err;
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+}
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+#else
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+static int b44_register_adm_switch(struct b44 *bp)
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+{
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+ return 0;
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+}
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+#endif /* CONFIG_BCM47XX */
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+
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static int b44_register_phy_one(struct b44 *bp)
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{
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struct mii_bus *mii_bus;
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@@ -2223,6 +2277,7 @@ static int b44_register_phy_one(struct b
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struct phy_device *phydev;
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int err;
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struct phy_c45_device_ids c45_ids = {0};
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+ struct ssb_sprom *sprom = &sdev->bus->sprom;
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mii_bus = mdiobus_alloc();
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if (!mii_bus) {
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@@ -2256,7 +2311,11 @@ static int b44_register_phy_one(struct b
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}
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phydev = bp->mii_bus->phy_map[bp->phy_addr];
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- if (!phydev) {
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+ if (!phydev &&
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+ (sprom->boardflags_lo & (B44_BOARDFLAG_ROBO | B44_BOARDFLAG_ADM))) {
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+ if (sprom->boardflags_lo & B44_BOARDFLAG_ADM)
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+ b44_register_adm_switch(bp);
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+
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dev_info(sdev->dev, "could not find PHY at %i, create dummy one\n",
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bp->phy_addr);
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--- a/drivers/net/ethernet/broadcom/b44.h
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+++ b/drivers/net/ethernet/broadcom/b44.h
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@@ -345,6 +345,9 @@ B44_STAT_REG_DECLARE
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struct u64_stats_sync syncp;
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};
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+#define B44_BOARDFLAG_ROBO 0x0010 /* Board has robo switch or core */
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+#define B44_BOARDFLAG_ADM 0x0080 /* Board has ADMtek switch */
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+
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struct ssb_device;
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struct b44 {
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@@ -402,6 +405,9 @@ struct b44 {
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int old_link;
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int old_duplex;
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struct mii_if_info mii_if;
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+
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+ /* platform device for associated switch */
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+ struct platform_device *adm_switch;
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};
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#endif /* _B44_H */
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