1 files changed, 54 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/chrp/smp.c b/arch/powerpc/platforms/chrp/smp.c
new file mode 100644
index 00000000..feab30bb
--- /dev/null
+++ b/arch/powerpc/platforms/chrp/smp.c
@@ -0,0 +1,54 @@
+/*
+ * Smp support for CHRP machines.
+ *
+ * Written by Cort Dougan (cort@cs.nmt.edu) borrowing a great
+ * deal of code from the sparc and intel versions.
+ *
+ * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/smp.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+
+#include <asm/ptrace.h>
+#include <linux/atomic.h>
+#include <asm/irq.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/sections.h>
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/smp.h>
+#include <asm/machdep.h>
+#include <asm/mpic.h>
+#include <asm/rtas.h>
+
+static int __devinit smp_chrp_kick_cpu(int nr)
+{
+	*(unsigned long *)KERNELBASE = nr;
+	asm volatile("dcbf 0,%0"::"r"(KERNELBASE):"memory");
+
+	return 0;
+}
+
+static void __devinit smp_chrp_setup_cpu(int cpu_nr)
+{
+	mpic_setup_this_cpu();
+}
+
+/* CHRP with openpic */
+struct smp_ops_t chrp_smp_ops = {
+	.message_pass = smp_mpic_message_pass,
+	.probe = smp_mpic_probe,
+	.kick_cpu = smp_chrp_kick_cpu,
+	.setup_cpu = smp_chrp_setup_cpu,
+	.give_timebase = rtas_give_timebase,
+	.take_timebase = rtas_take_timebase,
+};