summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-s5pv310/include/mach/smp.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-s5pv310/include/mach/smp.h')
-rw-r--r--arch/arm/mach-s5pv310/include/mach/smp.h29
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 0000000..990f3ba
--- /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
OpenPOWER on IntegriCloud