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| author | John Crispin <blogic@openwrt.org> | 2014-08-07 18:55:57 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-11-24 07:45:17 +0100 |
| commit | 50128fe8164ba2c9e36bc5156eabdfd69225b7d2 (patch) | |
| tree | 3b165fedeb8eab3cef3f78323f135f702498ad41 /arch/mips/lantiq | |
| parent | c530781c93a55a937d2847efeda744b4e099dfef (diff) | |
| download | blackbird-obmc-linux-50128fe8164ba2c9e36bc5156eabdfd69225b7d2.tar.gz blackbird-obmc-linux-50128fe8164ba2c9e36bc5156eabdfd69225b7d2.zip | |
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.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c index a1e06b78e15a..fe68f9ae47c1 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(); } |
