[PATCH 03/04] ARM: shmobile: r8a7790 CA15-SCU enablement
Magnus Damm
magnus.damm at gmail.com
Wed Jan 15 07:26:13 EST 2014
From: Keita Kobayashi <keita.kobayashi.ym at renesas.com>
Power on CA15 SCU in case of booting from a CA7 core.
Signed-off-by: Keita Kobayashi <keita.kobayashi.ym at renesas.com>
[damm at opensource.se: Converted to use broken out SYSC code]
Signed-off-by: Magnus Damm <damm at opensource.se>
---
arch/arm/mach-shmobile/smp-r8a7790.c | 6 ++++++
1 file changed, 6 insertions(+)
--- 0004/arch/arm/mach-shmobile/smp-r8a7790.c
+++ work/arch/arm/mach-shmobile/smp-r8a7790.c 2014-01-15 14:41:47.000000000 +0900
@@ -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_c
/* turn on power to SCU */
r8a7790_pm_init();
+ rcar_sysc_power_up(&r8a7790_ca15_scu);
rcar_sysc_power_up(&r8a7790_ca7_scu);
}
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