From: John Crispin <john@openwrt.org>
Date: Fri, 14 Nov 2014 16:52:42 +0000 (+0000)
Subject: ralink: improve mt7530 support
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=194ca6127ee18cd3a95da4d03f02e43b5428c0bb;p=openwrt%2Fstaging%2Fyousong.git

ralink: improve mt7530 support

the SDK does a bit of extra init that we did not do yet when using an external mt7530.

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 43245
---

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 74fe0bb6ff..58c209857e 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
@@ -478,8 +478,22 @@ static void gsw_hw_init_mt7620(struct mt7620_gsw *gsw, struct device_node *np)
 	gsw_w32(gsw, gsw_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
 
 	if (of_property_read_bool(np, "mediatek,mt7530")) {
-		gsw_w32(gsw, gsw_r32(gsw, GSW_REG_GPC1) | (0x1f << 24), GSW_REG_GPC1);
-		pr_info("gsw: truning EPHY off\n");
+		u32 val;
+
+		/* turn off ephy and set phy base addr to 12 */
+		gsw_w32(gsw, gsw_r32(gsw, GSW_REG_GPC1) | (0x1f << 24) | (0xc << 16), GSW_REG_GPC1);
+
+		/* set MT7530 central align */
+		val = mt7530_mdio_r32(gsw, 0x7830);
+		val &= ~1;
+		val |= 1<<1;
+		mt7530_mdio_w32(gsw, 0x7830, val);
+
+		val = mt7530_mdio_r32(gsw, 0x7a40);
+		val &= ~(1<<30);
+		mt7530_mdio_w32(gsw, 0x7a40, val);
+
+		mt7530_mdio_w32(gsw, 0x7a78, 0x855);
 	} else {
 		/* EPHY1 fixup - only run if the ephy is enabled */