ARM: shmobile: Initial r8a7794 SoC support

Initial support for the r8a7794 SoC, based on work by Hisashi Nakamura.

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Acked-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

3 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index e15dff790dbb..05f4cc07dffb 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -41,6 +41,10 @@ config ARCH_R8A7791
         select RENESAS_IRQC
         select SYS_SUPPORTS_SH_CMT
 
+config ARCH_R8A7794
+        bool "R-Car E2 (R8A77940)"
+        select ARCH_RCAR_GEN2
+
 comment "Renesas ARM SoCs Board Type"
 
 config MACH_GENMAI
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index a6a1dc0335ae..6b61d69bdd79 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_ARCH_R8A7779)	+= setup-r8a7779.o
 obj-$(CONFIG_ARCH_R8A7790)      += setup-r8a7790.o
 obj-$(CONFIG_ARCH_R8A7790)      += setup-r8a7790.o setup-rcar-gen2.o
 obj-$(CONFIG_ARCH_R8A7791)      += setup-r8a7791.o setup-rcar-gen2.o
+obj-$(CONFIG_ARCH_R8A7794)      += setup-r8a7794.o
 obj-$(CONFIG_ARCH_EMEV2)        += setup-emev2.o
 obj-$(CONFIG_ARCH_R7S72100)     += setup-r7s72100.o
 
diff --git a/arch/arm/mach-shmobile/setup-r8a7794.c b/arch/arm/mach-shmobile/setup-r8a7794.c
new file mode 100644
index 000000000000..05e970c96efe
--- /dev/null
+++ b/arch/arm/mach-shmobile/setup-r8a7794.c
@@ -0,0 +1,35 @@
+/*
+ * r8a7794 processor support
+ *
+ * Copyright (C) 2014  Renesas Electronics Corporation
+ * Copyright (C) 2014  Ulrich Hecht
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/of_platform.h>
+#include "common.h"
+#include "rcar-gen2.h"
+#include <asm/mach/arch.h>
+
+#ifdef CONFIG_USE_OF
+
+static const char * const r8a7794_boards_compat_dt[] __initconst = {
+        "renesas,r8a7794",
+        NULL,
+};
+
+DT_MACHINE_START(R8A7794_DT, "Generic R8A7794 (Flattened Device Tree)")
+        .init_early     = shmobile_init_delay,
+        .init_late      = shmobile_init_late,
+        .init_time      = rcar_gen2_timer_init,
+        .dt_compat      = r8a7794_boards_compat_dt,
+MACHINE_END
+#endif /* CONFIG_USE_OF */