ramips: mt7620: enable all ports unconditionally

This patch make all mt7620 ephy ports turned on.
It is necessary for some JBOOT devices.

Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>

target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c

@@ -83,6 +83,8 @@ static int mt7620_mdio_mode(struct device_node *eth_node)
 
 static void mt7620_hw_init(struct mt7620_gsw *gsw, int mdio_mode)
 {
+	u32 i;
+	u32 val;
 	u32 is_BGA = (rt_sysc_r32(0x0c) >> 16) & 1;
 
 	rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
@@ -151,6 +153,14 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw, int mdio_mode)
 		/* global page 1 */
 		_mt7620_mii_write(gsw, 1, 31, 0x1000);
 		_mt7620_mii_write(gsw, 1, 17, 0xe7f8);
+
+	/* turn on all PHYs */
+	for (i = 0; i <= 4; i++) {
+		val = _mt7620_mii_read(gsw, i, 0);
+		val &= ~BIT(11);
+		_mt7620_mii_write(gsw, i, 0, val);
+	}
+
 	}
 
 	/* global page 0 */
@@ -187,7 +197,6 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw, int mdio_mode)
 		_mt7620_mii_write(gsw, 4, 30, 0xa000);
 		_mt7620_mii_write(gsw, 4, 4, 0x05e1);
 		_mt7620_mii_write(gsw, 4, 16, 0x1313);
-		_mt7620_mii_write(gsw, 4, 0, 0x3100);
 		pr_info("gsw: setting port4 to ephy mode\n");
 	} else if (!mdio_mode) {
 		u32 val = rt_sysc_r32(SYSC_REG_CFG1);