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authorKeita Kobayashi <keita.kobayashi.ym@renesas.com>2014-01-15 16:26:13 +0400
committerSimon Horman <horms+renesas@verge.net.au>2014-02-24 03:55:47 +0400
commitc2c97ec513b503b9e0d28ffd98d54c9e9bf3ea3e (patch)
tree14d1feb06f461524e7a982fcda5fab5f84929307 /arch/arm/mach-shmobile
parent0445ded61aac0c1a6f43b4be1a2ca2ca47b77eb8 (diff)
downloadlinux-c2c97ec513b503b9e0d28ffd98d54c9e9bf3ea3e.tar.xz
ARM: shmobile: r8a7790 CA15-SCU enablement
Power on CA15 SCU in case of booting from a CA7 core. Signed-off-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com> [damm@opensource.se: Converted to use broken out SYSC code] Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile')
-rw-r--r--arch/arm/mach-shmobile/smp-r8a7790.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/smp-r8a7790.c b/arch/arm/mach-shmobile/smp-r8a7790.c
index beb47ae9d05a..591052799e8f 100644
--- a/arch/arm/mach-shmobile/smp-r8a7790.c
+++ b/arch/arm/mach-shmobile/smp-r8a7790.c
@@ -29,6 +29,11 @@
#define CA7RESCNT 0x0044
#define MERAM 0xe8080000
+static struct rcar_sysc_ch r8a7790_ca15_scu = {
+ .chan_offs = 0x180, /* PWRSR5 .. PWRER5 */
+ .isr_bit = 12, /* CA15-SCU */
+};
+
static struct rcar_sysc_ch r8a7790_ca7_scu = {
.chan_offs = 0x100, /* PWRSR3 .. PWRER3 */
.isr_bit = 21, /* CA7-SCU */
@@ -64,6 +69,7 @@ static void __init r8a7790_smp_prepare_cpus(unsigned int max_cpus)
/* turn on power to SCU */
r8a7790_pm_init();
+ rcar_sysc_power_up(&r8a7790_ca15_scu);
rcar_sysc_power_up(&r8a7790_ca7_scu);
}