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| author | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-13 19:59:15 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-13 19:59:15 -0400 |
| commit | 7d72e6fa56c4100b9669efe0044f77ed9eb785a1 (patch) | |
| tree | 5e90bf4969809a1ab20b97432b85be20ccfaa1f4 /arch/arm/mach-s5pv310/include/mach/smp.h | |
| parent | ba00376b0b13f234d839541a7b36a5bf5c2a4036 (diff) | |
| parent | 2be1f3a73dd02e38e181cf5abacb3d45a6a2d6b8 (diff) | |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/arm/mach-s5pv310/include/mach/smp.h')
| -rw-r--r-- | arch/arm/mach-s5pv310/include/mach/smp.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv310/include/mach/smp.h b/arch/arm/mach-s5pv310/include/mach/smp.h new file mode 100644 index 000000000000..990f3ba88a1f --- /dev/null +++ b/arch/arm/mach-s5pv310/include/mach/smp.h @@ -0,0 +1,29 @@ +/* linux/arch/arm/mach-s5pv310/include/mach/smp.h + * + * Cloned from arch/arm/mach-realview/include/mach/smp.h +*/ + +#ifndef ASM_ARCH_SMP_H +#define ASM_ARCH_SMP_H __FILE__ + +#include <asm/hardware/gic.h> + +extern void __iomem *gic_cpu_base_addr; + +#define hard_smp_processor_id() \ + ({ \ + unsigned int cpunum; \ + __asm__("mrc p15, 0, %0, c0, c0, 5" \ + : "=r" (cpunum)); \ + cpunum &= 0x03; \ + }) + +/* + * We use IRQ1 as the IPI + */ +static inline void smp_cross_call(const struct cpumask *mask) +{ + gic_raise_softirq(mask, 1); +} + +#endif |