linux-kernel - [PATCH 08/08] mach-shmobile: Use DT

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Message-Id: <20120516064603.32286.93274.sendpatchset@w520>
Date:	Wed, 16 May 2012 15:46:03 +0900
From:	Magnus Damm <magnus.damm@...il.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	horms@...ge.net.au, linux@....linux.org.uk, arnd@...db.de,
	linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org,
	rjw@...k.pl, lethal@...ux-sh.org, olof@...om.net,
	Magnus Damm <magnus.damm@...il.com>
Subject: [PATCH 08/08] mach-shmobile: Use DT_MACHINE for KZM9D V3

From: Magnus Damm <damm@...nsource.se>

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@...nsource.se>
---

 Changes from V1:
 - none - this is the first public release

 arch/arm/boot/dts/emev2-kzm9d.dts    |   26 ++++++++++++++++++++++++++
 arch/arm/mach-shmobile/Kconfig       |    1 +
 arch/arm/mach-shmobile/board-kzm9d.c |    8 +++++++-
 arch/arm/mach-shmobile/platsmp.c     |    3 ++-
 4 files changed, 36 insertions(+), 2 deletions(-)

--- /dev/null
+++ work/arch/arm/boot/dts/emev2-kzm9d.dts	2012-05-16 15:22:30.000000000 +0900
@@ -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";
+	};
+};
--- 0010/arch/arm/mach-shmobile/Kconfig
+++ work/arch/arm/mach-shmobile/Kconfig	2012-05-16 15:03:53.000000000 +0900
@@ -119,6 +119,7 @@ config MACH_KZM9G
 config MACH_KZM9D
 	bool "KZM9D board"
 	depends on ARCH_EMEV2
+	select USE_OF
 
 comment "SH-Mobile System Configuration"
 
--- 0011/arch/arm/mach-shmobile/board-kzm9d.c
+++ work/arch/arm/mach-shmobile/board-kzm9d.c	2012-05-16 15:17:35.000000000 +0900
@@ -68,7 +68,12 @@ void __init kzm9d_add_standard_devices(v
 	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
--- 0009/arch/arm/mach-shmobile/platsmp.c
+++ work/arch/arm/mach-shmobile/platsmp.c	2012-05-16 15:17:41.000000000 +0900
@@ -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() || machine_is_kzm9g())
 #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)
 {
--
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