1 files changed, 53 insertions, 0 deletions

diff --git a/arch/mips/kernel/smp-gic.c b/arch/mips/kernel/smp-gic.c
new file mode 100644
index 000000000000..3bb1f92ab525
--- /dev/null
+++ b/arch/mips/kernel/smp-gic.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * Based on smp-cmp.c:
+ *  Copyright (C) 2007 MIPS Technologies, Inc.
+ *  Author: Chris Dearman (chris@mips.com)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/printk.h>
+
+#include <asm/gic.h>
+#include <asm/smp-ops.h>
+
+void gic_send_ipi_single(int cpu, unsigned int action)
+{
+        unsigned long flags;
+        unsigned int intr;
+
+        pr_debug("CPU%d: %s cpu %d action %u status %08x\n",
+                 smp_processor_id(), __func__, cpu, action, read_c0_status());
+
+        local_irq_save(flags);
+
+        switch (action) {
+        case SMP_CALL_FUNCTION:
+                intr = plat_ipi_call_int_xlate(cpu);
+                break;
+
+        case SMP_RESCHEDULE_YOURSELF:
+                intr = plat_ipi_resched_int_xlate(cpu);
+                break;
+
+        default:
+                BUG();
+        }
+
+        gic_send_ipi(intr);
+        local_irq_restore(flags);
+}
+
+void gic_send_ipi_mask(const struct cpumask *mask, unsigned int action)
+{
+        unsigned int i;
+
+        for_each_cpu(i, mask)
+                gic_send_ipi_single(i, action);
+}