diff options
| author |   Tetsuyuki Kobayashi <koba@kmckk.co.jp> | 2012-07-20 15:16:30 +0900 |
|---|---|---|
| committer |   Simon Horman <horms@verge.net.au> | 2012-08-25 14:39:44 +0900 |
| commit | 7952717adb69efc1d2443a1858f96d23c2fb93e0 (patch) | |
| tree | 8264c9537fe7e1326e7f45140ca97a3bc61072d5 /arch/arm/mach-shmobile | |
| parent | Linux 3.6-rc3 (diff) | |
| download | linux-dev-7952717adb69efc1d2443a1858f96d23c2fb93e0.tar.xz linux-dev-7952717adb69efc1d2443a1858f96d23c2fb93e0.zip | |
ARM: shmobile: kzm9g: enable restarting
Do soft-power-on-reset in sys_reboot system call.
How to test this patch
Execute "sudo reboot" from command line. The system will start shutdown
sequence and finally reboot and U-Boot restarts.
Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile')
| -rw-r--r-- | arch/arm/mach-shmobile/board-kzm9g.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index 53b7ea92c32c..fd21fb6f9953 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -763,6 +763,13 @@ static void __init kzm_init(void) platform_add_devices(kzm_devices, ARRAY_SIZE(kzm_devices)); } +static void kzm9g_restart(char mode, const char *cmd) +{ +#define RESCNT2 0xe6188020 + /* Do soft power on reset */ + writel((1 << 31), RESCNT2); +} + static const char *kzm9g_boards_compat_dt[] __initdata = { "renesas,kzm9g", NULL, @@ -777,5 +784,6 @@ DT_MACHINE_START(KZM9G_DT, "kzm9g") .init_machine = kzm_init, .init_late = shmobile_init_late, .timer = &shmobile_timer, + .restart = kzm9g_restart, .dt_compat = kzm9g_boards_compat_dt, MACHINE_END |