diff mbox

[03/05] ARM: shmobile: r8a7740: Add restart callback

Message ID 20140828033509.18867.72827.sendpatchset@w520 (mailing list archive)
State Accepted
Commit 1174c712afa2779fad54b86b3569f40fab78c0c2
Headers show

Commit Message

Magnus Damm Aug. 28, 2014, 3:35 a.m. UTC 
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(+)

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diff mbox

Patch

--- 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 */