lantiq: reset gphys on reboot

If gphys are not reset upstream uboot can not use them anymore.

Signed-off-by: Antonios Vamporakis <[email protected]>

SVN-Revision: 40318

target/linux/lantiq/patches-3.10/0201-xway-reset-gphys-on-reboot.patch

@@ -0,0 +1,19 @@
+--- a/arch/mips/lantiq/xway/reset.c
++++ b/arch/mips/lantiq/xway/reset.c
+@@ -176,8 +176,15 @@ void ltq_rst_init(void)
+ 
+ static void ltq_machine_restart(char *command)
+ {
++	u32 val = ltq_rcu_r32(RCU_RST_REQ);
++
++	if (of_device_is_compatible(ltq_rcu_np, "lantiq,rcu-xrx200"))
++		val |= RCU_RD_GPHY1_XRX200 | RCU_RD_GPHY0_XRX200;
++
++	val |= RCU_RD_SRST;
++
+ 	local_irq_disable();
+-	ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) | RCU_RD_SRST, RCU_RST_REQ);
++	ltq_rcu_w32(val, RCU_RST_REQ);
+ 	unreachable();
+ }
+