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>

4 files changed, 36 insertions, 2 deletions

diff --git a/arch/arm/boot/dts/emev2-kzm9d.dts b/arch/arm/boot/dts/emev2-kzm9d.dts
new file mode 100644
index 000000000000..297e3baba71c
--- /dev/null
+++ b/arch/arm/boot/dts/emev2-kzm9d.dts
@@ -0,0 +1,26 @@
+/*
+ * 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";
+        };
+};
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 8d3c2b18524c..7dcf08ee979d 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/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"
 
diff --git a/arch/arm/mach-shmobile/board-kzm9d.c b/arch/arm/mach-shmobile/board-kzm9d.c
index be81f0feba06..7bc5e7d39f9b 100644
--- a/arch/arm/mach-shmobile/board-kzm9d.c
+++ b/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
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c
index 959b021e52be..7006cdc8b8ca 100644
--- a/arch/arm/mach-shmobile/platsmp.c
+++ b/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)
 {