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Commit a17dba8d authored by Russell King's avatar Russell King Committed by Russell King
Browse files

[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: default avatarJeff Garzik <jeff@garzik.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 69f4f331

arch/arm/mach-rpc/riscpc.c

+35 −0
Original line number Diff line number Diff line
@@ -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)

drivers/ata/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -545,7 +545,7 @@ config PATA_WINBOND_VLB 


config PATA_PLATFORM

	tristate "Generic platform device PATA support"

	depends on EMBEDDED

	depends on EMBEDDED || ARCH_RPC

	help

	  This option enables support for generic directly connected ATA

	  devices commonly found on embedded systems.