mach-shmobile: Use DT_MACHINE for KZM9D V3

Use DT_MACHINE_START() on the emev2 based KZM9D board.

Also include a tiny DTS file to describe the board and
update the Kconfig dependencies to select CONFIG_USE_OF.

Update the SMP glue code to use OF for matching.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

arch/arm/boot/dts/emev2-kzm9d.dts

+/*
+ * Device Tree Source for the KZM9D board
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+/dts-v1/;
+
+/include/ "emev2.dtsi"
+
+/ {
+	model = "EMEV2 KZM9D Board";
+	compatible = "renesas,kzm9d", "renesas,emev2";
+
+	memory {
+		device_type = "memory";
+		reg = <0x40000000 0x8000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS1,115200n81";
+	};
+};

arch/arm/mach-shmobile/Kconfig

@@ -107,6 +107,7 @@ config MACH_MARZEN
 config MACH_KZM9D
 	bool "KZM9D board"
 	depends on ARCH_EMEV2
+	select USE_OF
 
 comment "SH-Mobile System Configuration"
 

arch/arm/mach-shmobile/board-kzm9d.c

@@ -68,7 +68,12 @@ void __init kzm9d_add_standard_devices(void)
 	platform_add_devices(kzm9d_devices, ARRAY_SIZE(kzm9d_devices));
 }
 
-MACHINE_START(KZM9D, "kzm9d")
+static const char *kzm9d_boards_compat_dt[] __initdata = {
+	"renesas,kzm9d",
+	NULL,
+};
+
+DT_MACHINE_START(KZM9D_DT, "kzm9d")
 	.map_io		= emev2_map_io,
 	.init_early	= emev2_add_early_devices,
 	.nr_irqs	= NR_IRQS_LEGACY,
@@ -76,4 +81,5 @@ MACHINE_START(KZM9D, "kzm9d")
 	.handle_irq	= gic_handle_irq,
 	.init_machine	= kzm9d_add_standard_devices,
 	.timer		= &shmobile_timer,
+	.dt_compat	= kzm9d_boards_compat_dt,
 MACHINE_END

arch/arm/mach-shmobile/platsmp.c

@@ -16,6 +16,7 @@
 #include <linux/device.h>
 #include <linux/smp.h>
 #include <linux/io.h>
+#include <linux/of.h>
 #include <asm/hardware/gic.h>
 #include <asm/mach-types.h>
 #include <mach/common.h>
@@ -23,7 +24,7 @@
 
 #define is_sh73a0() (machine_is_ag5evm() || machine_is_kota2())
 #define is_r8a7779() machine_is_marzen()
-#define is_emev2() machine_is_kzm9d()
+#define is_emev2() of_machine_is_compatible("renesas,emev2")
 
 static unsigned int __init shmobile_smp_get_core_count(void)
 {