MIPS: lantiq: reboot gphy on restart
A reboot sometimes lead to a none working phy. An explicit reboot fixes the problem. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/8044/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -176,8 +176,15 @@ void ltq_rst_init(void)
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static void ltq_machine_restart(char *command)
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{
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u32 val = ltq_rcu_r32(RCU_RST_REQ);
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if (of_device_is_compatible(ltq_rcu_np, "lantiq,rcu-xrx200"))
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val |= RCU_RD_GPHY1_XRX200 | RCU_RD_GPHY0_XRX200;
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val |= RCU_RD_SRST;
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local_irq_disable();
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ltq_rcu_w32(ltq_rcu_r32(RCU_RST_REQ) | RCU_RD_SRST, RCU_RST_REQ);
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ltq_rcu_w32(val, RCU_RST_REQ);
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unreachable();
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}
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