From 0cc0ba2b3a281c07655c9639d012c94a91c2e75d Mon Sep 17 00:00:00 2001 From: John Crispin Date: Thu, 6 Nov 2014 11:11:44 +0000 Subject: [PATCH] ralink: only apply ephy1 fixup if the phy is present this broke e1700 lan2 as the fixup was applied to the phy inside the mt7530. Signed-off-by: John Crispin SVN-Revision: 43200 --- .../drivers/net/ethernet/ralink/gsw_mt7620a.c | 69 ++++++++++--------- 1 file changed, 37 insertions(+), 32 deletions(-) diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620a.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620a.c index 4bba8cc838..0f9fc35fe3 100644 --- a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620a.c +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620a.c @@ -72,6 +72,8 @@ #define GSW_REG_IMR 0x7008 #define GSW_REG_ISR 0x700c +#define GSW_REG_GPC1 0x7014 +#define GSW_PHY1_DISABLE BIT(25) #define SYSC_REG_CFG1 0x14 @@ -414,43 +416,46 @@ static void gsw_hw_init(struct mt7620_gsw *gsw) rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1); gsw_w32(gsw, gsw_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR); - /*correct PHY setting L3.0 BGA*/ - _mt7620_mii_write(gsw, 1, 31, 0x4000); //global, page 4 + /* EPHY1 fixup - only run if the ephy is enabled */ + if (gsw_r32(gsw, GSW_REG_GPC1) & GSW_PHY1_DISABLE == GSW_PHY1_DISABLE) { + /*correct PHY setting L3.0 BGA*/ + _mt7620_mii_write(gsw, 1, 31, 0x4000); //global, page 4 - _mt7620_mii_write(gsw, 1, 17, 0x7444); - if (is_BGA) - _mt7620_mii_write(gsw, 1, 19, 0x0114); - else - _mt7620_mii_write(gsw, 1, 19, 0x0117); + _mt7620_mii_write(gsw, 1, 17, 0x7444); + if (is_BGA) + _mt7620_mii_write(gsw, 1, 19, 0x0114); + else + _mt7620_mii_write(gsw, 1, 19, 0x0117); - _mt7620_mii_write(gsw, 1, 22, 0x10cf); - _mt7620_mii_write(gsw, 1, 25, 0x6212); - _mt7620_mii_write(gsw, 1, 26, 0x0777); - _mt7620_mii_write(gsw, 1, 29, 0x4000); - _mt7620_mii_write(gsw, 1, 28, 0xc077); - _mt7620_mii_write(gsw, 1, 24, 0x0000); + _mt7620_mii_write(gsw, 1, 22, 0x10cf); + _mt7620_mii_write(gsw, 1, 25, 0x6212); + _mt7620_mii_write(gsw, 1, 26, 0x0777); + _mt7620_mii_write(gsw, 1, 29, 0x4000); + _mt7620_mii_write(gsw, 1, 28, 0xc077); + _mt7620_mii_write(gsw, 1, 24, 0x0000); - _mt7620_mii_write(gsw, 1, 31, 0x3000); //global, page 3 - _mt7620_mii_write(gsw, 1, 17, 0x4838); + _mt7620_mii_write(gsw, 1, 31, 0x3000); //global, page 3 + _mt7620_mii_write(gsw, 1, 17, 0x4838); - _mt7620_mii_write(gsw, 1, 31, 0x2000); //global, page 2 - if (is_BGA) { - _mt7620_mii_write(gsw, 1, 21, 0x0515); - _mt7620_mii_write(gsw, 1, 22, 0x0053); - _mt7620_mii_write(gsw, 1, 23, 0x00bf); - _mt7620_mii_write(gsw, 1, 24, 0x0aaf); - _mt7620_mii_write(gsw, 1, 25, 0x0fad); - _mt7620_mii_write(gsw, 1, 26, 0x0fc1); - } else { - _mt7620_mii_write(gsw, 1, 21, 0x0517); - _mt7620_mii_write(gsw, 1, 22, 0x0fd2); - _mt7620_mii_write(gsw, 1, 23, 0x00bf); - _mt7620_mii_write(gsw, 1, 24, 0x0aab); - _mt7620_mii_write(gsw, 1, 25, 0x00ae); - _mt7620_mii_write(gsw, 1, 26, 0x0fff); + _mt7620_mii_write(gsw, 1, 31, 0x2000); //global, page 2 + if (is_BGA) { + _mt7620_mii_write(gsw, 1, 21, 0x0515); + _mt7620_mii_write(gsw, 1, 22, 0x0053); + _mt7620_mii_write(gsw, 1, 23, 0x00bf); + _mt7620_mii_write(gsw, 1, 24, 0x0aaf); + _mt7620_mii_write(gsw, 1, 25, 0x0fad); + _mt7620_mii_write(gsw, 1, 26, 0x0fc1); + } else { + _mt7620_mii_write(gsw, 1, 21, 0x0517); + _mt7620_mii_write(gsw, 1, 22, 0x0fd2); + _mt7620_mii_write(gsw, 1, 23, 0x00bf); + _mt7620_mii_write(gsw, 1, 24, 0x0aab); + _mt7620_mii_write(gsw, 1, 25, 0x00ae); + _mt7620_mii_write(gsw, 1, 26, 0x0fff); + } + _mt7620_mii_write(gsw, 1, 31, 0x1000); //global, page 1 + _mt7620_mii_write(gsw, 1, 17, 0xe7f8); } - _mt7620_mii_write(gsw, 1, 31, 0x1000); //global, page 1 - _mt7620_mii_write(gsw, 1, 17, 0xe7f8); _mt7620_mii_write(gsw, 1, 31, 0x8000); //local, page 0 _mt7620_mii_write(gsw, 0, 30, 0xa000);