ARM: shmobile: Initial r7s72100 SoC support

Add initial support for the r7272100 SoC including:
 - Single Cortex-A9 CPU Core
 - GIC

No static virtual mappings are used, all the components
make use of ioremap(). DT_MACHINE_START is still wrapped
in CONFIG_USE_OF to match other mach-shmobile code.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 43 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/setup-r7s72100.c b/arch/arm/mach-shmobile/setup-r7s72100.c
new file mode 100644
index 000000000000..c1aded0984a8
--- /dev/null
+++ b/arch/arm/mach-shmobile/setup-r7s72100.c
@@ -0,0 +1,43 @@
+/*
+ * r7s72100 processor support
+ *
+ * Copyright (C) 2013  Renesas Solutions Corp.
+ * Copyright (C) 2013  Magnus Damm
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/of_platform.h>
+#include <mach/common.h>
+#include <mach/r7s72100.h>
+#include <asm/mach/arch.h>
+
+void __init r7s72100_init_early(void)
+{
+        shmobile_setup_delay(400, 1, 3); /* Cortex-A9 @ 400MHz */
+}
+
+#ifdef CONFIG_USE_OF
+static const char *r7s72100_boards_compat_dt[] __initdata = {
+        "renesas,r7s72100",
+        NULL,
+};
+
+DT_MACHINE_START(R7S72100_DT, "Generic R7S72100 (Flattened Device Tree)")
+        .init_early     = r7s72100_init_early,
+        .dt_compat      = r7s72100_boards_compat_dt,
+MACHINE_END
+#endif /* CONFIG_USE_OF */