From a17dba8df9848c548912fbe9bf4b28c5a67c5413 Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Sat, 21 Apr 2007 15:55:06 +0100
Subject: [ARM] Add platform support for PATA on RiscPC

Add pata_platform device for RiscPC, thereby converting the primary
IDE channel on the machine to PATA.

Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-rpc/riscpc.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'arch/arm/mach-rpc')

diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c
index 208a2b5dba1..570cf937e73 100644
--- a/arch/arm/mach-rpc/riscpc.c
+++ b/arch/arm/mach-rpc/riscpc.c
@@ -17,6 +17,7 @@
 #include <linux/sched.h>
 #include <linux/device.h>
 #include <linux/serial_8250.h>
+#include <linux/pata_platform.h>
 
 #include <asm/elf.h>
 #include <asm/io.h>
@@ -159,11 +160,45 @@ static struct platform_device serial_device = {
 	},
 };
 
+static struct pata_platform_info pata_platform_data = {
+	.ioport_shift		= 2,
+};
+
+static struct resource pata_resources[] = {
+	[0] = {
+		.start		= 0x030107c0,
+		.end		= 0x030107df,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= 0x03010fd8,
+		.end		= 0x03010fdb,
+		.flags		= IORESOURCE_MEM,
+	},
+	[2] = {
+		.start		= IRQ_HARDDISK,
+		.end		= IRQ_HARDDISK,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device pata_device = {
+	.name			= "pata_platform",
+	.id			= -1,
+	.num_resources		= ARRAY_SIZE(pata_resources),
+	.resource		= pata_resources,
+	.dev			= {
+		.platform_data	= &pata_platform_data,
+		.coherent_dma_mask = ~0,	/* grumble */
+	},
+};
+
 static struct platform_device *devs[] __initdata = {
 	&iomd_device,
 	&kbd_device,
 	&serial_device,
 	&acornfb_device,
+	&pata_device,
 };
 
 static int __init rpc_init(void)
-- 
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