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authorFelix Fietkau <nbd@openwrt.org>2012-05-27 21:02:41 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-05-27 21:02:41 +0000
commit8039a1bbb2056019458b5179108e399d0fcb0622 (patch)
tree820b0a72ed89ad6af336003517da144194f614bb /target/linux/ar71xx/files
parentf638414fdc8acf3d4742e933b0e9303bbf6a0065 (diff)
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ar71xx: fix MII clock settings for various chips, improves ethernet stability on AR934x
SVN-Revision: 31925
Diffstat (limited to 'target/linux/ar71xx/files')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c12
-rw-r--r--target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h5
-rw-r--r--target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h8
-rw-r--r--target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_mdio.c10
4 files changed, 30 insertions, 5 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
index 1e6b8b0a17..bc88a44aa7 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
@@ -199,17 +199,25 @@ void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
switch (ath79_soc) {
case ATH79_SOC_AR7240:
+ mdio_data->is_ar7240 = 1;
+ /* fall through */
case ATH79_SOC_AR7241:
+ mdio_data->builtin_switch = 1;
+ break;
+
case ATH79_SOC_AR9330:
+ mdio_data->is_ar9330 = 1;
+ /* fall through */
case ATH79_SOC_AR9331:
- mdio_data->is_ar7240 = 1;
+ mdio_data->builtin_switch = 1;
break;
case ATH79_SOC_AR9341:
case ATH79_SOC_AR9342:
case ATH79_SOC_AR9344:
if (id == 1)
- mdio_data->is_ar7240 = 1;
+ mdio_data->builtin_switch = 1;
+ mdio_data->is_ar934x = 1;
break;
default:
diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
index 6e90ba4335..e2f6f9b113 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
@@ -49,7 +49,10 @@ struct ag71xx_platform_data {
struct ag71xx_mdio_platform_data {
u32 phy_mask;
- int is_ar7240;
+ u8 builtin_switch:1;
+ u8 is_ar7240:1;
+ u8 is_ar9330:1;
+ u8 is_ar934x:1;
};
#endif /* __ASM_MACH_ATH79_PLATFORM_H */
diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
index ec764c5c2f..881741660b 100644
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
@@ -322,6 +322,14 @@ static inline int ag71xx_desc_pktlen(struct ag71xx_desc *desc)
#define MII_CFG_CLK_DIV_14 5
#define MII_CFG_CLK_DIV_20 6
#define MII_CFG_CLK_DIV_28 7
+#define MII_CFG_CLK_DIV_34 8
+#define MII_CFG_CLK_DIV_42 9
+#define MII_CFG_CLK_DIV_50 10
+#define MII_CFG_CLK_DIV_58 11
+#define MII_CFG_CLK_DIV_66 12
+#define MII_CFG_CLK_DIV_74 13
+#define MII_CFG_CLK_DIV_82 14
+#define MII_CFG_CLK_DIV_98 15
#define MII_CFG_RESET BIT(31)
#define MII_CMD_WRITE 0x0
diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_mdio.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_mdio.c
index 552c7bfbac..a86321415b 100644
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_mdio.c
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_mdio.c
@@ -103,6 +103,12 @@ static int ag71xx_mdio_reset(struct mii_bus *bus)
if (am->pdata->is_ar7240)
t = MII_CFG_CLK_DIV_6;
+ else if (am->pdata->is_ar9330)
+ t = MII_CFG_CLK_DIV_98;
+ else if (am->pdata->builtin_switch && !am->pdata->is_ar934x)
+ t = MII_CFG_CLK_DIV_10;
+ else if (!am->pdata->builtin_switch && am->pdata->is_ar934x)
+ t = MII_CFG_CLK_DIV_58;
else
t = MII_CFG_CLK_DIV_28;
@@ -119,7 +125,7 @@ static int ag71xx_mdio_read(struct mii_bus *bus, int addr, int reg)
{
struct ag71xx_mdio *am = bus->priv;
- if (am->pdata->is_ar7240)
+ if (am->pdata->builtin_switch)
return ar7240sw_phy_read(bus, addr, reg);
else
return ag71xx_mdio_mii_read(am, addr, reg);
@@ -129,7 +135,7 @@ static int ag71xx_mdio_write(struct mii_bus *bus, int addr, int reg, u16 val)
{
struct ag71xx_mdio *am = bus->priv;
- if (am->pdata->is_ar7240)
+ if (am->pdata->builtin_switch)
ar7240sw_phy_write(bus, addr, reg, val);
else
ag71xx_mdio_mii_write(am, addr, reg, val);