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Diffstat (limited to 'target/linux/brcm47xx/patches-3.10/208-b44-use-fixed-PHY-device-if-we-do-not-find-any.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.10/208-b44-use-fixed-PHY-device-if-we-do-not-find-any.patch97
1 files changed, 97 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.10/208-b44-use-fixed-PHY-device-if-we-do-not-find-any.patch b/target/linux/brcm47xx/patches-3.10/208-b44-use-fixed-PHY-device-if-we-do-not-find-any.patch
new file mode 100644
index 0000000000..972cd07966
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.10/208-b44-use-fixed-PHY-device-if-we-do-not-find-any.patch
@@ -0,0 +1,97 @@
+From b04138b335203b79ffe1b14750fa245a4dab7191 Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Fri, 20 Dec 2013 02:16:13 +0100
+Subject: [PATCH 208/208] b44: use fixed PHY device if we do not find any
+
+The ADM6996L switch and some Broadcom switches with two MII interfaces
+like the BCM5325F connected to two MACs on the SoC, used on some
+routers do not return a valid value when reading the PHY id register
+and Linux thinks there is no PHY at all, but that is wrong.
+This patch registers a fixed phy in the arch code and then searches it
+when there is no other phy in the Ethernet driver code.
+
+Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ arch/mips/bcm47xx/setup.c | 10 ++++++++++
+ drivers/net/ethernet/broadcom/b44.c | 16 +++++++++++++++-
+ drivers/net/ethernet/broadcom/b44.h | 3 +++
+ 3 files changed, 28 insertions(+), 1 deletion(-)
+
+--- a/arch/mips/bcm47xx/setup.c
++++ b/arch/mips/bcm47xx/setup.c
+@@ -28,6 +28,9 @@
+
+ #include <linux/export.h>
+ #include <linux/types.h>
++#include <linux/ethtool.h>
++#include <linux/phy.h>
++#include <linux/phy_fixed.h>
+ #include <linux/ssb/ssb.h>
+ #include <linux/ssb/ssb_embedded.h>
+ #include <linux/bcma/bcma_soc.h>
+@@ -239,6 +242,12 @@ void __init plat_mem_setup(void)
+ mips_set_machine_name(bcm47xx_board_get_name());
+ }
+
++static struct fixed_phy_status bcm47xx_fixed_phy_status __initdata = {
++ .link = 1,
++ .speed = SPEED_100,
++ .duplex = DUPLEX_FULL,
++};
++
+ static int __init bcm47xx_register_bus_complete(void)
+ {
+ switch (bcm47xx_bus_type) {
+@@ -253,6 +262,7 @@ static int __init bcm47xx_register_bus_c
+ break;
+ #endif
+ }
++ fixed_phy_add(PHY_POLL, 0, &bcm47xx_fixed_phy_status);
+ return 0;
+ }
+ device_initcall(bcm47xx_register_bus_complete);
+--- a/drivers/net/ethernet/broadcom/b44.c
++++ b/drivers/net/ethernet/broadcom/b44.c
+@@ -2233,6 +2233,7 @@ static int b44_register_phy_one(struct b
+ struct ssb_device *sdev = bp->sdev;
+ struct phy_device *phydev;
+ char bus_id[MII_BUS_ID_SIZE + 3];
++ struct ssb_sprom *sprom = &sdev->bus->sprom;
+ int err;
+
+ mii_bus = mdiobus_alloc();
+@@ -2266,7 +2267,20 @@ static int b44_register_phy_one(struct b
+ goto err_out_mdiobus_irq;
+ }
+
+- snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, mii_bus->id, bp->phy_addr);
++ if (!bp->mii_bus->phy_map[bp->phy_addr] &&
++ (sprom->boardflags_lo & (B44_BOARDFLAG_ROBO | B44_BOARDFLAG_ADM))) {
++
++ dev_info(sdev->dev,
++ "could not find PHY at %i, use fixed one\n",
++ bp->phy_addr);
++
++ bp->phy_addr = 0;
++ snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, "fixed-0",
++ bp->phy_addr);
++ } else {
++ snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, mii_bus->id,
++ bp->phy_addr);
++ }
+
+ phydev = phy_connect(bp->dev, bus_id, &b44_adjust_link,
+ PHY_INTERFACE_MODE_MII);
+--- 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 */
++#define B44_BOARDFLAG_ADM 0x0080 /* Board has ADMtek switch */
++
+ struct ssb_device;
+
+ struct b44 {