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| author | Magnus Damm <damm@opensource.se> | 2013-07-31 16:07:40 +0900 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-08-06 18:07:25 +0900 |
| commit | 0da60225dee270a4a4b86c08509e772e78961b82 (patch) | |
| tree | 598145c5b6bdbe125509667f04aa916839d4847f /arch/arm/mach-shmobile/smp-emev2.c | |
| parent | 0ca2894b5a9007091ad1a4d82b9f3132d4dd9410 (diff) | |
| download | lwn-0da60225dee270a4a4b86c08509e772e78961b82.tar.gz lwn-0da60225dee270a4a4b86c08509e772e78961b82.zip | |
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.c | 19 |
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 = { |