ARM: rmobile: Add R8A7796 support

Add Kconfig entry for the R8A7796 RCar M3 SoC.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/arch/arm/mach-rmobile/memmap-r8a7796.c b/arch/arm/mach-rmobile/memmap-r8a7796.c
new file mode 100644
index 0000000..648743d
--- /dev/null
+++ b/arch/arm/mach-rmobile/memmap-r8a7796.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/armv8/mmu.h>
+
+static struct mm_region r8a7796_mem_map[] = {
+	{
+		.virt = 0x0UL,
+		.phys = 0x0UL,
+		.size = 0xe0000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		.virt = 0xe0000000UL,
+		.phys = 0xe0000000UL,
+		.size = 0xe0000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+
+struct mm_region *mem_map = r8a7796_mem_map;