From 9b6d19dd1d87fcca43ebadfad2f50cee07fbef5e Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Tue, 4 Dec 2007 22:45:31 +0300
Subject: [PATCH] [POWERPC] MPC8349E-mITX: introduce localbus and pata nodes

This patch adds localbus and pata nodes to use CF IDE interface
on MPC8349E-mITX boards.

Patch also adds code to probe localbus.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/mpc8349emitx.dts     | 17 ++++++++++++++++-
 arch/powerpc/configs/mpc834x_itx_defconfig |  3 ++-
 arch/powerpc/platforms/83xx/mpc834x_itx.c  | 12 ++++++++++++
 3 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts
index a4a9fafe217a..a14399b61fa9 100644
--- a/arch/powerpc/boot/dts/mpc8349emitx.dts
+++ b/arch/powerpc/boot/dts/mpc8349emitx.dts
@@ -251,6 +251,21 @@
 		device_type = "pci";
 	};
 
+	localbus@e0005000 {
+		#address-cells = <2>;
+		#size-cells = <1>;
+		compatible = "fsl,mpc8349e-localbus",
+			     "fsl,pq2pro-localbus";
+		reg = <e0005000 d8>;
+		ranges = <3 0 f0000000 210>;
 
-
+		pata@3,0 {
+			compatible = "fsl,mpc8349emitx-pata", "ata-generic";
+			reg = <3 0 10 3 20c 4>;
+			reg-shift = <1>;
+			pio-mode = <6>;
+			interrupts = <17 8>;
+			interrupt-parent = <&ipic>;
+		};
+	};
 };
diff --git a/arch/powerpc/configs/mpc834x_itx_defconfig b/arch/powerpc/configs/mpc834x_itx_defconfig
index 6feb86e2b786..2fbe4e5344f7 100644
--- a/arch/powerpc/configs/mpc834x_itx_defconfig
+++ b/arch/powerpc/configs/mpc834x_itx_defconfig
@@ -570,7 +570,8 @@ CONFIG_SATA_SIL=y
 # CONFIG_PATA_SIS is not set
 # CONFIG_PATA_VIA is not set
 # CONFIG_PATA_WINBOND is not set
-# CONFIG_PATA_PLATFORM is not set
+CONFIG_PATA_PLATFORM=y
+CONFIG_PATA_OF_PLATFORM=y
 CONFIG_MD=y
 CONFIG_BLK_DEV_MD=y
 CONFIG_MD_LINEAR=y
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
index aa768199432d..50e8f632061c 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_itx.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -23,6 +23,7 @@
 #include <linux/delay.h>
 #include <linux/seq_file.h>
 #include <linux/root_dev.h>
+#include <linux/of_platform.h>
 
 #include <asm/system.h>
 #include <asm/atomic.h>
@@ -37,6 +38,17 @@
 
 #include "mpc83xx.h"
 
+static struct of_device_id __initdata mpc834x_itx_ids[] = {
+	{ .compatible = "fsl,pq2pro-localbus", },
+	{},
+};
+
+static int __init mpc834x_itx_declare_of_platform_devices(void)
+{
+	return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL);
+}
+machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices);
+
 /* ************************************************************************
  *
  * Setup the architecture