omap: Add new interface omap_get_die_id

Allow DIE id to be get and used by others.

Signed-off-by: Kan-Ru Chen <kanru@0xlab.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/include/mach/id.h b/arch/arm/mach-omap2/include/mach/id.h
new file mode 100644
index 0000000..02ed3aa
--- /dev/null
+++ b/arch/arm/mach-omap2/include/mach/id.h
@@ -0,0 +1,22 @@
+/*
+ * OMAP2 CPU identification code
+ *
+ * Copyright (C) 2010 Kan-Ru Chen <kanru@0xlab.org>
+ *
+ * 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.
+ */
+#ifndef OMAP2_ARCH_ID_H
+#define OMAP2_ARCH_ID_H
+
+struct omap_die_id {
+	u32 id_0;
+	u32 id_1;
+	u32 id_2;
+	u32 id_3;
+};
+
+void omap_get_die_id(struct omap_die_id *odi);
+
+#endif