* [PATCH 03/05] ARM: shmobile: r8a7740: Add restart callback
@ 2014-08-28 3:35 Magnus Damm
0 siblings, 0 replies; only message in thread
From: Magnus Damm @ 2014-08-28 3:35 UTC (permalink / raw)
To: linux-sh
From: Magnus Damm <damm+renesas@opensource.se>
Port the r8a7740 restart handling from the Armadillo code
to the r8a7740 generic multiplatform case.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
---
arch/arm/mach-shmobile/setup-r8a7740.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- 0001/arch/arm/mach-shmobile/setup-r8a7740.c
+++ work/arch/arm/mach-shmobile/setup-r8a7740.c 2014-08-27 18:40:36.000000000 +0900
@@ -823,6 +823,13 @@ static void __init r8a7740_generic_init(
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
+#define RESCNT2 IOMEM(0xe6188020)
+static void r8a7740_restart(enum reboot_mode mode, const char *cmd)
+{
+ /* Do soft power on reset */
+ writel(1 << 31, RESCNT2);
+}
+
static const char *r8a7740_boards_compat_dt[] __initdata = {
"renesas,r8a7740",
NULL,
@@ -835,6 +842,7 @@ DT_MACHINE_START(R8A7740_DT, "Generic R8
.init_machine = r8a7740_generic_init,
.init_late = shmobile_init_late,
.dt_compat = r8a7740_boards_compat_dt,
+ .restart = r8a7740_restart,
MACHINE_END
#endif /* CONFIG_USE_OF */
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