ARM: shmobile: r8a7743: basic SoC support

Add minimal support for the RZ/G1M (R8A7743) SoC.

Based on the original (and large) patch by Dmitry Shifrin
<dmitry.shifrin@cogentembedded.com>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/Documentation/devicetree/bindings/arm/shmobile.txt b/Documentation/devicetree/bindings/arm/shmobile.txt
index 2f0b7169f132d887d5deef8692b1145ade561c1d..058be8180bc4a2dbe30a0fedefe0529a4f5b2912 100644 (file)
--- a/Documentation/devicetree/bindings/arm/shmobile.txt
+++ b/Documentation/devicetree/bindings/arm/shmobile.txt
@@ -13,6 +13,8 @@ SoCs:
     compatible = "renesas,r8a73a4"
   - R-Mobile A1 (R8A77400)
     compatible = "renesas,r8a7740"
+  - RZ/G1M (R8A77430)
+    compatible = "renesas,r8a7743"
   - R-Car M1A (R8A77781)
     compatible = "renesas,r8a7778"
   - R-Car H1 (R8A77790)

diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 84fd4e9591476c178c314c180f07f93f7eb64748..c48be1d332eda790facdf352d6b02509835843d4 100644 (file)
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -67,6 +67,10 @@ config ARCH_R8A7740
        select ARCH_RMOBILE
        select RENESAS_INTC_IRQPIN
 
+config ARCH_R8A7743
+       bool "RZ/G1M (R8A77430)"
+       select ARCH_RCAR_GEN2
+
 config ARCH_R8A7778
        bool "R-Car M1A (R8A77781)"
        select ARCH_RCAR_GEN1

diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index 3fc48b02eb4f7b5436c555186c8d969f9fe574b3..332b84f8261f6dbdc982c12f3e589a56f3399093 100644 (file)
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -9,6 +9,7 @@ obj-y                           := timer.o
 obj-$(CONFIG_ARCH_SH73A0)      += setup-sh73a0.o
 obj-$(CONFIG_ARCH_R8A73A4)     += setup-r8a73a4.o
 obj-$(CONFIG_ARCH_R8A7740)     += setup-r8a7740.o
+obj-$(CONFIG_ARCH_R8A7743)     += setup-r8a7743.o
 obj-$(CONFIG_ARCH_R8A7778)     += setup-r8a7778.o
 obj-$(CONFIG_ARCH_R8A7779)     += setup-r8a7779.o pm-r8a7779.o
 obj-$(CONFIG_ARCH_R8A7790)     += setup-r8a7790.o

diff --git a/arch/arm/mach-shmobile/setup-r8a7743.c b/arch/arm/mach-shmobile/setup-r8a7743.c
new file mode 100644 (file)
index 0000000..a7ecb82
--- /dev/null
+++ b/arch/arm/mach-shmobile/setup-r8a7743.c
@@ -0,0 +1,34 @@
+/*
+ * r8a7743 processor support
+ *
+ * Copyright (C) 2016 Cogent Embedded, Inc.
+ *
+ * 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; 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/init.h>
+
+#include <asm/mach/arch.h>
+
+#include "common.h"
+#include "rcar-gen2.h"
+
+static const char * const r8a7743_boards_compat_dt[] __initconst = {
+       "renesas,r8a7743",
+       NULL,
+};
+
+DT_MACHINE_START(R8A7743_DT, "Generic R8A7743 (Flattened Device Tree)")
+       .init_early     = shmobile_init_delay,
+       .init_time      = rcar_gen2_timer_init,
+       .init_late      = shmobile_init_late,
+       .reserve        = rcar_gen2_reserve,
+       .dt_compat      = r8a7743_boards_compat_dt,
+MACHINE_END