1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/mach-highbank/pm.c b/arch/arm/mach-highbank/pm.c
new file mode 100644
index 00000000..04eddb4f
--- /dev/null
+++ b/arch/arm/mach-highbank/pm.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2011 Calxeda, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/cpu_pm.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/suspend.h>
+
+#include <asm/cacheflush.h>
+#include <asm/proc-fns.h>
+#include <asm/suspend.h>
+
+#include "core.h"
+#include "sysregs.h"
+
+static int highbank_suspend_finish(unsigned long val)
+{
+	outer_flush_all();
+	outer_disable();
+
+	highbank_set_pwr_suspend();
+
+	cpu_do_idle();
+
+	highbank_clear_pwr_request();
+	return 0;
+}
+
+static int highbank_pm_enter(suspend_state_t state)
+{
+	cpu_pm_enter();
+	cpu_cluster_pm_enter();
+
+	highbank_set_cpu_jump(0, cpu_resume);
+	cpu_suspend(0, highbank_suspend_finish);
+
+	cpu_cluster_pm_exit();
+	cpu_pm_exit();
+
+	highbank_smc1(0x102, 0x1);
+	if (scu_base_addr)
+		scu_enable(scu_base_addr);
+	return 0;
+}
+
+static const struct platform_suspend_ops highbank_pm_ops = {
+	.enter = highbank_pm_enter,
+	.valid = suspend_valid_only_mem,
+};
+
+void __init highbank_pm_init(void)
+{
+	suspend_set_ops(&highbank_pm_ops);
+}