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authorJohn Crispin <blogic@openwrt.org>2014-08-07 16:55:57 (GMT)
committerRalf Baechle <ralf@linux-mips.org>2014-11-24 06:45:17 (GMT)
commit50128fe8164ba2c9e36bc5156eabdfd69225b7d2 (patch)
tree3b165fedeb8eab3cef3f78323f135f702498ad41 /arch/mips/lantiq
parentc530781c93a55a937d2847efeda744b4e099dfef (diff)
downloadlinux-50128fe8164ba2c9e36bc5156eabdfd69225b7d2.tar.xz
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>
Diffstat (limited to 'arch/mips/lantiq')
-rw-r--r--arch/mips/lantiq/xway/reset.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c
index a1e06b7..fe68f9a 100644
--- 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();
}