arm: socfpga: scu: Add SCU register file

Add the Snoop Control Unit register definition file.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Tom Rini <trini@ti.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Pavel Machek <pavel@denx.de>
Acked-by: Pavel Machek <pavel@denx.de>

arch/arm/include/asm/arch-socfpga/scu.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2014 Marek Vasut <marex@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __SOCFPGA_SCU_H__
+#define __SOCFPGA_SCU_H__
+
+struct scu_registers {
+	u32	ctrl;			/* 0x00 */
+	u32	cfg;
+	u32	cpsr;
+	u32	iassr;
+	u32	_pad_0x10_0x3c[12];	/* 0x10 */
+	u32	fsar;			/* 0x40 */
+	u32	fear;
+	u32	_pad_0x48_0x50[2];
+	u32	acr;			/* 0x54 */
+	u32	sacr;
+};
+
+#endif	/* __SOCFPGA_SCU_H__ */