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