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>

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);
 }