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FRV: Flash mappings for the MB93090-MB00 motherboard 

Flash mappings for the MB93090-MB00 evaluation motherboard.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
David Howells 2009-09-24 15:12:00 +01:00 committed by Linus Torvalds
parent 9d93f00580
commit c775197d59
2 changed files with 92 additions and 0 deletions
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2
arch/frv/mb93090-mb00/Makefile
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@ -11,3 +11,5 @@ else
obj-y += pci-dma-nommu.o
endif
endif
obj-$(CONFIG_MTD) += flash.o

90
arch/frv/mb93090-mb00/flash.c 100644
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@ -0,0 +1,90 @@
/* Flash mappings for the MB93090-MB00 motherboard
*
* Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#define MB93090_BOOTROM_ADDR 0xFF000000 /* Boot ROM */
#define MB93090_BOOTROM_SIZE (2 * 1024 * 1024)
#define MB93090_USERROM_ADDR 0xFF200000 /* User ROM */
#define MB93090_USERROM_SIZE (2 * 1024 * 1024)
/*
* default MTD partition table for both main flash devices, expected to be
* overridden by RedBoot
*/
static struct mtd_partition mb93090_partitions[] = {
{
.name = "Filesystem",
.size = MTDPART_SIZ_FULL,
.offset = 0,
}
};
/*
* Definition of the MB93090 Boot ROM (on the CPU card)
*/
static struct physmap_flash_data mb93090_bootrom_data = {
.width = 2,
.nr_parts = 2,
.parts = mb93090_partitions,
};
static struct resource mb93090_bootrom_resource = {
.start = MB93090_BOOTROM_ADDR,
.end = MB93090_BOOTROM_ADDR + MB93090_BOOTROM_SIZE - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device mb93090_bootrom = {
.name = "physmap-flash",
.id = 0,
.dev.platform_data = &mb93090_bootrom_data,
.num_resources = 1,
.resource = &mb93090_bootrom_resource,
};
/*
* Definition of the MB93090 User ROM definition (on the motherboard)
*/
static struct physmap_flash_data mb93090_userrom_data = {
.width = 2,
.nr_parts = 2,
.parts = mb93090_partitions,
};
static struct resource mb93090_userrom_resource = {
.start = MB93090_USERROM_ADDR,
.end = MB93090_USERROM_ADDR + MB93090_USERROM_SIZE - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device mb93090_userrom = {
.name = "physmap-flash",
.id = 1,
.dev.platform_data = &mb93090_userrom_data,
.num_resources = 1,
.resource = &mb93090_userrom_resource,
};
/*
* register the MB93090 flashes
*/
static int __init mb93090_mtd_init(void)
{
platform_device_register(&mb93090_bootrom);
platform_device_register(&mb93090_userrom);
return 0;
}
module_init(mb93090_mtd_init);