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authorMagnus Damm <damm@opensource.se>2013-07-31 11:07:40 +0400
committerSimon Horman <horms+renesas@verge.net.au>2013-08-06 13:07:25 +0400
commit0da60225dee270a4a4b86c08509e772e78961b82 (patch)
tree598145c5b6bdbe125509667f04aa916839d4847f /arch/arm/mach-shmobile/smp-emev2.c
parent0ca2894b5a9007091ad1a4d82b9f3132d4dd9410 (diff)
downloadlinux-0da60225dee270a4a4b86c08509e772e78961b82.tar.xz
ARM: shmobile: Use shared SCU SMP boot code on emev2
Use shared SCU code on emev2 for SMP boot. 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/smp-emev2.c')
-rw-r--r--arch/arm/mach-shmobile/smp-emev2.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/arm/mach-shmobile/smp-emev2.c b/arch/arm/mach-shmobile/smp-emev2.c
index 1bf8bc7e8ed8..d1c101db776b 100644
--- a/arch/arm/mach-shmobile/smp-emev2.c
+++ b/arch/arm/mach-shmobile/smp-emev2.c
@@ -34,6 +34,12 @@
static int __cpuinit emev2_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
+ int ret;
+
+ ret = shmobile_smp_scu_boot_secondary(cpu, idle);
+ if (ret)
+ return ret;
+
arch_send_wakeup_ipi_mask(cpumask_of(cpu_logical_map(cpu)));
return 0;
}
@@ -42,21 +48,16 @@ static void __init emev2_smp_prepare_cpus(unsigned int max_cpus)
{
void __iomem *smu;
- /* setup EMEV2 specific SCU base, enable */
- shmobile_scu_base = ioremap(EMEV2_SCU_BASE, PAGE_SIZE);
- scu_enable(shmobile_scu_base);
-
- /* Tell ROM loader about our vector (in headsmp-scu.S, headsmp.S) */
+ /* Tell ROM loader about our vector (in headsmp.S) */
smu = ioremap(EMEV2_SMU_BASE, PAGE_SIZE);
if (smu) {
iowrite32(__pa(shmobile_boot_vector), smu + SMU_GENERAL_REG0);
iounmap(smu);
}
- shmobile_boot_fn = virt_to_phys(shmobile_boot_scu);
- shmobile_boot_arg = (unsigned long)shmobile_scu_base;
- /* enable cache coherency on booting CPU */
- scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL);
+ /* setup EMEV2 specific SCU bits */
+ shmobile_scu_base = ioremap(EMEV2_SCU_BASE, PAGE_SIZE);
+ shmobile_smp_scu_prepare_cpus(max_cpus);
}
struct smp_operations emev2_smp_ops __initdata = {