]> git.karo-electronics.de Git - linux-beck.git/commitdiff
ARM: shmobile: r8a7740: Add restart callback
authorMagnus Damm <damm+renesas@opensource.se>
Thu, 28 Aug 2014 03:35:09 +0000 (12:35 +0900)
committerSimon Horman <horms+renesas@verge.net.au>
Tue, 2 Sep 2014 01:04:09 +0000 (10:04 +0900)
Port the r8a7740 restart handling from the Armadillo code
to the r8a7740 generic multiplatform case.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
arch/arm/mach-shmobile/setup-r8a7740.c

index 1e55c50522932d80a12d3983e418cf4630d21310..daea3a3441217a2820ab7b6b89d7aa3a2b3a2ed0 100644 (file)
@@ -823,6 +823,13 @@ static void __init r8a7740_generic_init(void)
        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 R8A7740 (Flattened Device Tree)")
        .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 */