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-rw-r--r--arch/arm/mach-shmobile/platsmp.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c
index 1f958d7b0ba..d4ae616bced 100644
--- a/arch/arm/mach-shmobile/platsmp.c
+++ b/arch/arm/mach-shmobile/platsmp.c
@@ -12,6 +12,9 @@
*/
#include <linux/init.h>
#include <linux/smp.h>
+#include <asm/cacheflush.h>
+#include <asm/smp_plat.h>
+#include <mach/common.h>
void __init shmobile_smp_init_cpus(unsigned int ncores)
{
@@ -26,3 +29,18 @@ void __init shmobile_smp_init_cpus(unsigned int ncores)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
}
+
+extern unsigned long shmobile_smp_fn[];
+extern unsigned long shmobile_smp_arg[];
+extern unsigned long shmobile_smp_mpidr[];
+
+void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg)
+{
+ shmobile_smp_fn[cpu] = 0;
+ flush_cache_all();
+
+ shmobile_smp_mpidr[cpu] = cpu_logical_map(cpu);
+ shmobile_smp_fn[cpu] = fn;
+ shmobile_smp_arg[cpu] = arg;
+ flush_cache_all();
+}