ARM: OMAP4: PM: Add SAR RAM support

This patch adds SAR RAM support on OMAP4430. SAR RAM used to save
and restore the HW context in low power modes.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Jean Pihet <j-pihet@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Vishwanath BS <vishwanath.bs@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/omap4-sar-layout.h b/arch/arm/mach-omap2/omap4-sar-layout.h
new file mode 100644
index 000000000000..7781ea4dacbc
--- /dev/null
+++ b/arch/arm/mach-omap2/omap4-sar-layout.h
@@ -0,0 +1,22 @@
+/*
+ * omap4-sar-layout.h: OMAP4 SAR RAM layout header file
+ *
+ * Copyright (C) 2011 Texas Instruments, Inc.
+ *      Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * 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 OMAP_ARCH_OMAP4_SAR_LAYOUT_H
+#define OMAP_ARCH_OMAP4_SAR_LAYOUT_H
+
+/*
+ * SAR BANK offsets from base address OMAP44XX_SAR_RAM_BASE
+ */
+#define SAR_BANK1_OFFSET                0x0000
+#define SAR_BANK2_OFFSET                0x1000
+#define SAR_BANK3_OFFSET                0x2000
+#define SAR_BANK4_OFFSET                0x3000
+
+#endif