ux500: move mach-u8500 to mach-ux500

1 files changed, 78 insertions, 0 deletions

diff --git a/arch/arm/mach-ux500/pm.c b/arch/arm/mach-ux500/pm.c
new file mode 100755
index 00000000000..f753ef11eea
--- /dev/null
+++ b/arch/arm/mach-ux500/pm.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2009 STMicroelectronics.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ */
+
+/* U8500 platform suspend/resume support */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/suspend.h>
+#include <linux/errno.h>
+#include <linux/time.h>
+
+#include <asm/memory.h>
+#include <asm/system.h>
+
+#include <mach/prcmu-fw-api.h>
+
+static int u8500_pm_begin(suspend_state_t state)
+{
+	return 0;
+}
+
+static int u8500_pm_prepare(void)
+{
+	return 0;
+}
+
+static int u8500_pm_enter(suspend_state_t state)
+{
+	int ret;
+
+	switch (state) {
+	case PM_SUSPEND_STANDBY:
+		prcmu_apply_ap_state_transition(APEXECUTE_TO_APIDLE,
+				DDR_PWR_STATE_UNCHANGED, 0);
+		ret = 0;
+		break;
+	case PM_SUSPEND_MEM:
+		prcmu_apply_ap_state_transition(APEXECUTE_TO_APSLEEP,
+				DDR_PWR_STATE_UNCHANGED, 0);
+		ret = 0;
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static void u8500_pm_finish(void)
+{
+
+}
+
+static int u8500_pm_valid(suspend_state_t state)
+{
+	return (state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY);
+}
+
+static struct platform_suspend_ops u8500_pm_ops = {
+	.begin = u8500_pm_begin,
+	.prepare = u8500_pm_prepare,
+	.enter = u8500_pm_enter,
+	.finish = u8500_pm_finish,
+	.valid = u8500_pm_valid,
+};
+
+static int __init u8500_pm_init(void)
+{
+	suspend_set_ops(&u8500_pm_ops);
+	return 0;
+}
+
+device_initcall(u8500_pm_init);