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 <blogic@openwrt.org>
SVN-Revision: 43200

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 4bba8cc8389cc9e726eefc934190b6cba0d47d66..0f9fc35fe3e1f68f64280ee11a1e779f007dfd41 100644 (file)
--- 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, 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, 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, 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, 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, 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);