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Commit 50128fe8 authored by John Crispin's avatar John Crispin Committed by Ralf Baechle
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MIPS: lantiq: reboot gphy on restart 



A reboot sometimes lead to a none working phy. An explicit reboot fixes the
problem.

Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/8044/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent c530781c

arch/mips/lantiq/xway/reset.c

+8 −1
Original line number Diff line number Diff line
@@ -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();

}