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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>
This commit is contained in:
Tetsuyuki Kobayashi 2012-07-20 15:16:30 +09:00 committed by Simon Horman
parent fea7a08acb
commit 7952717adb
1 changed files with 8 additions and 0 deletions
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8
arch/arm/mach-shmobile/board-kzm9g.c
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@ -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