ARM: rmobile: Add R8A77970 SoC

Add bits to support yet another SoC, the R8A77970 V3M .

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/arch/arm/mach-rmobile/Kconfig.64 b/arch/arm/mach-rmobile/Kconfig.64
index c79b39d..4994939 100644
--- a/arch/arm/mach-rmobile/Kconfig.64
+++ b/arch/arm/mach-rmobile/Kconfig.64
@@ -9,6 +9,9 @@
 config R8A7796
 	bool "Renesas SoC R8A7796"
 
+config R8A77970
+	bool "Renesas SoC R8A77970"
+
 endchoice
 
 choice
diff --git a/arch/arm/mach-rmobile/cpu_info.c b/arch/arm/mach-rmobile/cpu_info.c
index 5c8cb3f..6f6116d 100644
--- a/arch/arm/mach-rmobile/cpu_info.c
+++ b/arch/arm/mach-rmobile/cpu_info.c
@@ -61,6 +61,7 @@
 	{ RMOBILE_CPU_TYPE_R8A7794, "R8A7794" },
 	{ RMOBILE_CPU_TYPE_R8A7795, "R8A7795" },
 	{ RMOBILE_CPU_TYPE_R8A7796, "R8A7796" },
+	{ RMOBILE_CPU_TYPE_R8A77970, "R8A77970" },
 	{ 0x0, "CPU" },
 };
 
diff --git a/arch/arm/mach-rmobile/include/mach/rmobile.h b/arch/arm/mach-rmobile/include/mach/rmobile.h
index b413859..deface5 100644
--- a/arch/arm/mach-rmobile/include/mach/rmobile.h
+++ b/arch/arm/mach-rmobile/include/mach/rmobile.h
@@ -33,6 +33,7 @@
 #define RMOBILE_CPU_TYPE_R8A7794	0x4C
 #define RMOBILE_CPU_TYPE_R8A7795	0x4F
 #define RMOBILE_CPU_TYPE_R8A7796	0x52
+#define RMOBILE_CPU_TYPE_R8A77970	0x54
 
 #ifndef __ASSEMBLY__
 u32 rmobile_get_cpu_type(void);
diff --git a/arch/arm/mach-rmobile/memmap-gen3.c b/arch/arm/mach-rmobile/memmap-gen3.c
index f3156ab..eeeb270 100644
--- a/arch/arm/mach-rmobile/memmap-gen3.c
+++ b/arch/arm/mach-rmobile/memmap-gen3.c
@@ -49,6 +49,26 @@
 	}
 };
 
+static struct mm_region r8a77970_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 = r8a7795_mem_map;
 
 void rcar_gen3_memmap_fixup(void)
@@ -62,5 +82,8 @@
 	case RMOBILE_CPU_TYPE_R8A7796:
 		mem_map = r8a7796_mem_map;
 		break;
+	case RMOBILE_CPU_TYPE_R8A77970:
+		mem_map = r8a77970_mem_map;
+		break;
 	}
 }