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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
This commit is contained in:
John Crispin 2014-11-14 16:52:42 +00:00
parent 0371dabc13
commit 194ca6127e
1 changed files with 16 additions and 2 deletions
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18
target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620a.c
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@ -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 */