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[ARM] Add support for SA1100 Jornada flash device support

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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: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2005-10-29 16:09:59 +01:00 committed by Russell King
parent 14e66f767f
commit 183e1a3494
1 changed files with 64 additions and 0 deletions
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64
arch/arm/mach-sa1100/jornada720.c
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@ -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