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>

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);
 }