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authorHauke Mehrtens <hauke@hauke-m.de>2013-11-09 19:29:46 +0000
committerHauke Mehrtens <hauke@hauke-m.de>2013-11-09 19:29:46 +0000
commit68081fc1c8c7814b1c064431eb2e364f9226801a (patch)
treeec927fd4ba422a199cad1c45eb8f2f27ae02700c
parent7a82667372af7eb372133fd6bb0e3322c8c02df1 (diff)
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brcm47xx: register ADM6996L switch
This patch makes it possible to use adm6996.c on first generation BCM47XX devices with ADM switches. This was tested on a WRT54GS version 1.0, thank you Dirk Neukirchen for the device. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 38699
-rw-r--r--target/linux/brcm47xx/config-3.101
-rw-r--r--target/linux/brcm47xx/patches-3.10/209-b44-register-adm-switch.patch123
-rw-r--r--target/linux/brcm47xx/patches-3.10/210-b44_phy_fix.patch6
3 files changed, 127 insertions, 3 deletions
diff --git a/target/linux/brcm47xx/config-3.10 b/target/linux/brcm47xx/config-3.10
index bc139ad..78b69ed 100644
--- a/target/linux/brcm47xx/config-3.10
+++ b/target/linux/brcm47xx/config-3.10
@@ -1,3 +1,4 @@
+CONFIG_ADM6996_PHY=y
CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
CONFIG_ARCH_DISCARD_MEMBLOCK=y
CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
diff --git a/target/linux/brcm47xx/patches-3.10/209-b44-register-adm-switch.patch b/target/linux/brcm47xx/patches-3.10/209-b44-register-adm-switch.patch
new file mode 100644
index 0000000..3f01286
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.10/209-b44-register-adm-switch.patch
@@ -0,0 +1,123 @@
+From b52546f8af54b78050f84ab031ad1aaf6507ed95 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Sat, 9 Nov 2013 17:03:59 +0100
+Subject: [PATCH 10/10] b44: register adm switch
+
+---
+ drivers/net/ethernet/broadcom/b44.c | 64 ++++++++++++++++++++++++++++++++++-
+ drivers/net/ethernet/broadcom/b44.h | 3 ++
+ 2 files changed, 66 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/ethernet/broadcom/b44.c
++++ b/drivers/net/ethernet/broadcom/b44.c
+@@ -31,6 +31,8 @@
+ #include <linux/ssb/ssb.h>
+ #include <linux/slab.h>
+ #include <linux/phy.h>
++#include <linux/platform_device.h>
++#include <linux/platform_data/adm6996-gpio.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/io.h>
+@@ -2216,6 +2218,58 @@ static void b44_adjust_link(struct net_d
+ phy_print_status(phydev);
+ }
+
++#ifdef CONFIG_BCM47XX
++static struct adm6996_gpio_platform_data b44_adm_data = {
++ .eecs = 2,
++ .eesk = 3,
++ .eedi = 4,
++ .eerc = 5,
++ .model = ADM6996L,
++};
++
++static struct platform_device b44_adm_dev = {
++ .name = "adm6996_gpio",
++ .id = -1,
++ .dev = {
++ .platform_data = &b44_adm_data,
++ },
++};
++
++static int b44_register_adm_switch(struct b44 *bp)
++{
++ int gpio;
++ int err;
++
++ gpio = bcm47xx_nvram_gpio_pin("adm_eecs");
++ if (gpio >= 0)
++ b44_adm_data.eecs = gpio;
++
++ gpio = bcm47xx_nvram_gpio_pin("adm_eesk");
++ if (gpio >= 0)
++ b44_adm_data.eesk = gpio;
++
++ gpio = bcm47xx_nvram_gpio_pin("adm_eedi");
++ if (gpio >= 0)
++ b44_adm_data.eedi = gpio;
++
++ gpio = bcm47xx_nvram_gpio_pin("adm_rc");
++ if (gpio >= 0)
++ b44_adm_data.eerc = gpio;
++
++ if (!bp->adm_switch) {
++ err = platform_device_register(&b44_adm_dev);
++ if (!err)
++ bp->adm_switch = &b44_adm_dev;
++ }
++ return err;
++}
++#else
++static int b44_register_adm_switch(struct b44 *bp)
++{
++ return 0;
++}
++#endif /* CONFIG_BCM47XX */
++
+ static int b44_register_phy_one(struct b44 *bp)
+ {
+ struct mii_bus *mii_bus;
+@@ -2223,6 +2277,7 @@ static int b44_register_phy_one(struct b
+ struct phy_device *phydev;
+ int err;
+ struct phy_c45_device_ids c45_ids = {0};
++ struct ssb_sprom *sprom = &sdev->bus->sprom;
+
+ mii_bus = mdiobus_alloc();
+ if (!mii_bus) {
+@@ -2256,7 +2311,11 @@ static int b44_register_phy_one(struct b
+ }
+
+ phydev = bp->mii_bus->phy_map[bp->phy_addr];
+- if (!phydev) {
++ if (!phydev &&
++ (sprom->boardflags_lo & (B44_BOARDFLAG_ROBO | B44_BOARDFLAG_ADM))) {
++ if (sprom->boardflags_lo & B44_BOARDFLAG_ADM)
++ b44_register_adm_switch(bp);
++
+ dev_info(sdev->dev, "could not find PHY at %i, create dummy one\n",
+ bp->phy_addr);
+
+--- a/drivers/net/ethernet/broadcom/b44.h
++++ b/drivers/net/ethernet/broadcom/b44.h
+@@ -345,6 +345,9 @@ B44_STAT_REG_DECLARE
+ struct u64_stats_sync syncp;
+ };
+
++#define B44_BOARDFLAG_ROBO 0x0010 /* Board has robo switch or core */
++#define B44_BOARDFLAG_ADM 0x0080 /* Board has ADMtek switch */
++
+ struct ssb_device;
+
+ struct b44 {
+@@ -402,6 +405,9 @@ struct b44 {
+ int old_link;
+ int old_duplex;
+ struct mii_if_info mii_if;
++
++ /* platform device for associated switch */
++ struct platform_device *adm_switch;
+ };
+
+ #endif /* _B44_H */
diff --git a/target/linux/brcm47xx/patches-3.10/210-b44_phy_fix.patch b/target/linux/brcm47xx/patches-3.10/210-b44_phy_fix.patch
index 559d5a9..53989ef 100644
--- a/target/linux/brcm47xx/patches-3.10/210-b44_phy_fix.patch
+++ b/target/linux/brcm47xx/patches-3.10/210-b44_phy_fix.patch
@@ -1,6 +1,6 @@
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
-@@ -429,10 +429,34 @@ static void b44_wap54g10_workaround(stru
+@@ -431,10 +431,34 @@ static void b44_wap54g10_workaround(stru
error:
pr_warning("PHY: cannot reset MII transceiver isolate bit\n");
}
@@ -35,7 +35,7 @@
#endif
static int b44_setup_phy(struct b44 *bp)
-@@ -441,6 +465,7 @@ static int b44_setup_phy(struct b44 *bp)
+@@ -443,6 +467,7 @@ static int b44_setup_phy(struct b44 *bp)
int err;
b44_wap54g10_workaround(bp);
@@ -43,7 +43,7 @@
if (bp->flags & B44_FLAG_EXTERNAL_PHY)
return 0;
-@@ -2158,6 +2183,8 @@ static int b44_get_invariants(struct b44
+@@ -2160,6 +2185,8 @@ static int b44_get_invariants(struct b44
* valid PHY address. */
bp->phy_addr &= 0x1F;