mips: ath79: ar933x: Fix ethernet PHY mismatch

We need reset the Ethernet Switch analog part before operation,
or the build-in Ethernet PHY don't work.

Signed-off-by: Wills Wang <wills.wang@live.com>
Acked-by: Marek Vasut <marex@denx.de>

arch/mips/mach-ath79/include/mach/ar71xx_regs.h

@@ -660,6 +660,7 @@
 
 #define AR933X_RESET_GE1_MDIO				BIT(23)
 #define AR933X_RESET_GE0_MDIO				BIT(22)
+#define AR933X_RESET_ETH_SWITCH_ANALOG			BIT(14)
 #define AR933X_RESET_GE1_MAC				BIT(13)
 #define AR933X_RESET_WMAC				BIT(11)
 #define AR933X_RESET_GE0_MAC				BIT(9)

arch/mips/mach-ath79/reset.c

@@ -81,7 +81,8 @@ static int eth_init_ar933x(void)
 					  MAP_NOCACHE);
 	const u32 mask = AR933X_RESET_GE0_MAC | AR933X_RESET_GE0_MDIO |
 			 AR933X_RESET_GE1_MAC | AR933X_RESET_GE1_MDIO |
-			 AR933X_RESET_ETH_SWITCH;
+			 AR933X_RESET_ETH_SWITCH |
+			 AR933X_RESET_ETH_SWITCH_ANALOG;
 
 	/* Clear MDIO slave EN bit. */
 	clrbits_be32(rregs + AR933X_RESET_REG_BOOTSTRAP, BIT(17));