v4.19.13 snapshot.
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 0000000..9fc4e26
--- /dev/null
+++ b/arch/arm/mach-omap2/omap4-sar-layout.h
@@ -0,0 +1,62 @@
+/*
+ * 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/54XX_SAR_RAM_BASE
+ */
+#define SAR_BANK1_OFFSET 0x0000
+#define SAR_BANK2_OFFSET 0x1000
+#define SAR_BANK3_OFFSET 0x2000
+#define SAR_BANK4_OFFSET 0x3000
+
+/* Scratch pad memory offsets from SAR_BANK1 */
+#define SCU_OFFSET0 0xfe4
+#define SCU_OFFSET1 0xfe8
+#define OMAP_TYPE_OFFSET 0xfec
+#define L2X0_SAVE_OFFSET0 0xff0
+#define L2X0_SAVE_OFFSET1 0xff4
+#define L2X0_AUXCTRL_OFFSET 0xff8
+#define L2X0_PREFETCH_CTRL_OFFSET 0xffc
+
+/* CPUx Wakeup Non-Secure Physical Address offsets in SAR_BANK1 */
+#define CPU0_WAKEUP_NS_PA_ADDR_OFFSET 0xa04
+#define CPU1_WAKEUP_NS_PA_ADDR_OFFSET 0xa08
+#define OMAP5_CPU0_WAKEUP_NS_PA_ADDR_OFFSET 0xe00
+#define OMAP5_CPU1_WAKEUP_NS_PA_ADDR_OFFSET 0xe04
+
+#define SAR_BACKUP_STATUS_OFFSET (SAR_BANK3_OFFSET + 0x500)
+#define SAR_SECURE_RAM_SIZE_OFFSET (SAR_BANK3_OFFSET + 0x504)
+#define SAR_SECRAM_SAVED_AT_OFFSET (SAR_BANK3_OFFSET + 0x508)
+
+/* WakeUpGen save restore offset from OMAP44XX_SAR_RAM_BASE */
+#define WAKEUPGENENB_OFFSET_CPU0 (SAR_BANK3_OFFSET + 0x684)
+#define WAKEUPGENENB_SECURE_OFFSET_CPU0 (SAR_BANK3_OFFSET + 0x694)
+#define WAKEUPGENENB_OFFSET_CPU1 (SAR_BANK3_OFFSET + 0x6a4)
+#define WAKEUPGENENB_SECURE_OFFSET_CPU1 (SAR_BANK3_OFFSET + 0x6b4)
+#define AUXCOREBOOT0_OFFSET (SAR_BANK3_OFFSET + 0x6c4)
+#define AUXCOREBOOT1_OFFSET (SAR_BANK3_OFFSET + 0x6c8)
+#define PTMSYNCREQ_MASK_OFFSET (SAR_BANK3_OFFSET + 0x6cc)
+#define PTMSYNCREQ_EN_OFFSET (SAR_BANK3_OFFSET + 0x6d0)
+#define SAR_BACKUP_STATUS_WAKEUPGEN 0x10
+
+/* WakeUpGen save restore offset from OMAP54XX_SAR_RAM_BASE */
+#define OMAP5_WAKEUPGENENB_OFFSET_CPU0 (SAR_BANK3_OFFSET + 0x9dc)
+#define OMAP5_WAKEUPGENENB_SECURE_OFFSET_CPU0 (SAR_BANK3_OFFSET + 0x9f0)
+#define OMAP5_WAKEUPGENENB_OFFSET_CPU1 (SAR_BANK3_OFFSET + 0xa04)
+#define OMAP5_WAKEUPGENENB_SECURE_OFFSET_CPU1 (SAR_BANK3_OFFSET + 0xa18)
+#define OMAP5_AUXCOREBOOT0_OFFSET (SAR_BANK3_OFFSET + 0xa2c)
+#define OMAP5_AUXCOREBOOT1_OFFSET (SAR_BANK3_OFFSET + 0x930)
+#define OMAP5_AMBA_IF_MODE_OFFSET (SAR_BANK3_OFFSET + 0xa34)
+#define OMAP5_SAR_BACKUP_STATUS_OFFSET (SAR_BANK3_OFFSET + 0x800)
+
+#endif