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Commit 183e1a34 authored by Russell King's avatar Russell King Committed by Russell King
Browse files

[ARM] Add support for SA1100 Jornada flash device support 



This got dropped from the SA1100 flash driver a while back and
never added to the platform support file.  Add it back.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 14e66f76

arch/arm/mach-sa1100/jornada720.c

+64 −0
Original line number Diff line number Diff line
@@ -8,6 +8,8 @@ 
#include <linux/delay.h>

#include <linux/device.h>

#include <linux/ioport.h>

#include <linux/mtd/mtd.h>

#include <linux/mtd/partitions.h>



#include <asm/hardware.h>

#include <asm/hardware/sa1111.h>
@@ -16,6 +18,7 @@ 
#include <asm/setup.h>



#include <asm/mach/arch.h>

#include <asm/mach/flash.h>

#include <asm/mach/map.h>

#include <asm/mach/serial_sa1100.h>
@@ -108,6 +111,66 @@ static void __init jornada720_map_io(void) 
	sa1100_register_uart(1, 1);

}



static struct mtd_partition jornada720_partitions[] = {

	{

		.name		= "JORNADA720 boot firmware",

		.size		= 0x00040000,

		.offset		= 0,

		.mask_flags	= MTD_WRITEABLE,  /* force read-only */

	}, {

		.name		= "JORNADA720 kernel",

		.size		= 0x000c0000,

		.offset		= 0x00040000,

	}, {

		.name		= "JORNADA720 params",

		.size		= 0x00040000,

		.offset		= 0x00100000,

	}, {

		.name		= "JORNADA720 initrd",

		.size		= 0x00100000,

		.offset		= 0x00140000,

	}, {

		.name		= "JORNADA720 root cramfs",

		.size		= 0x00300000,

		.offset		= 0x00240000,

	}, {

		.name		= "JORNADA720 usr cramfs",

		.size		= 0x00800000,

		.offset		= 0x00540000,

	}, {

		.name		= "JORNADA720 usr local",

		.size		= 0,  /* will expand to the end of the flash */

		.offset		= 0x00d00000,

	}

};



static void jornada720_set_vpp(int vpp)

{

	if (vpp)

		PPSR |= 0x80;

	else

		PPSR &= ~0x80;

	PPDR |= 0x80;

}



static struct flash_platform_data jornada720_flash_data = {

	.map_name	= "cfi_probe",

	.set_vpp	= jornada720_set_vpp,

	.parts		= jornada720_partitions,

	.nr_parts	= ARRAY_SIZE(jornada720_partitions),

};



static struct resource jornada720_flash_resource = {

	.start		= SA1100_CS0_PHYS,

	.end		= SA1100_CS0_PHYS + SZ_32M - 1,

	.flags		= IORESOURCE_MEM,

};



static void __init jornada720_mach_init(void)

{

	sa11x0_set_flash_data(&jornada720_flash_data, &jornada720_flash_resource, 1);

}



MACHINE_START(JORNADA720, "HP Jornada 720")

	/* Maintainer: Michael Gernoth <michael@gernoth.net> */

	.phys_ram	= 0xc0000000,
@@ -117,4 +180,5 @@ MACHINE_START(JORNADA720, "HP Jornada 720") 
	.map_io		= jornada720_map_io,

	.init_irq	= sa1100_init_irq,

	.timer		= &sa1100_timer,

	.init_machine	= jornada720_mach_init,

MACHINE_END