diff options
Diffstat (limited to 'arch/arm/mach-shmobile/platsmp.c')
| -rw-r--r-- | arch/arm/mach-shmobile/platsmp.c | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c index 66f980625a3..993381257f6 100644 --- a/arch/arm/mach-shmobile/platsmp.c +++ b/arch/arm/mach-shmobile/platsmp.c @@ -21,33 +21,56 @@ #include <asm/mach-types.h> #include <mach/common.h> +#define is_sh73a0() (machine_is_ag5evm() || machine_is_kota2()) +#define is_r8a7779() machine_is_marzen() + static unsigned int __init shmobile_smp_get_core_count(void) { - if (machine_is_ag5evm()) + if (is_sh73a0()) return sh73a0_get_core_count(); + if (is_r8a7779()) + return r8a7779_get_core_count(); + return 1; } static void __init shmobile_smp_prepare_cpus(void) { - if (machine_is_ag5evm()) + if (is_sh73a0()) sh73a0_smp_prepare_cpus(); + + if (is_r8a7779()) + r8a7779_smp_prepare_cpus(); +} + +int shmobile_platform_cpu_kill(unsigned int cpu) +{ + if (is_r8a7779()) + return r8a7779_platform_cpu_kill(cpu); + + return 1; } void __cpuinit platform_secondary_init(unsigned int cpu) { trace_hardirqs_off(); - if (machine_is_ag5evm()) + if (is_sh73a0()) sh73a0_secondary_init(cpu); + + if (is_r8a7779()) + r8a7779_secondary_init(cpu); } int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) { - if (machine_is_ag5evm()) + if (is_sh73a0()) return sh73a0_boot_secondary(cpu); + if (is_r8a7779()) + return r8a7779_boot_secondary(cpu); + return -ENOSYS; } @@ -56,6 +79,12 @@ void __init smp_init_cpus(void) unsigned int ncores = shmobile_smp_get_core_count(); unsigned int i; + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; + } + for (i = 0; i < ncores; i++) set_cpu_possible(i, true); |