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/*
* Bifferboard RDC321x platform devices
*
* Copyright (C) 2010 bifferos@yahoo.co.uk
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include <linux/init.h>
#include <linux/mtd/physmap.h>
#include <linux/input.h>
#include <asm/rdc_boards.h>
static int __init parse_bifferboard_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long plat_data)
{
int res;
size_t len;
struct mtd_partition *rdc_flash_parts;
u32 kernel_len;
u16 tmp;
if (master->size == 0x100000)
kernel_len = master->size - 0x10000;
else {
res = master->read(master, 0x4000 + 1036, 2, &len, (char *) &tmp);
if (res)
return res;
kernel_len = tmp * master->erasesize;
}
rdc_flash_parts = kzalloc(sizeof(struct mtd_partition) * 4, GFP_KERNEL);
*pparts = rdc_flash_parts;
rdc_flash_parts[0].name = "biffboot";
rdc_flash_parts[0].offset = master->size - 0x10000;
rdc_flash_parts[0].size = 0x10000;
rdc_flash_parts[0].mask_flags = MTD_WRITEABLE;
rdc_flash_parts[1].name = "firmware";
rdc_flash_parts[1].offset = 0;
rdc_flash_parts[1].size = rdc_flash_parts[0].offset;
rdc_flash_parts[2].name = "kernel";
rdc_flash_parts[2].offset = 0x00000000;
rdc_flash_parts[2].size = kernel_len;
if (master->size == 0x100000)
return 2;
rdc_flash_parts[3].name = "rootfs";
rdc_flash_parts[3].offset = MTDPART_OFS_APPEND;
rdc_flash_parts[3].size = rdc_flash_parts[1].size - rdc_flash_parts[2].size;
return 4;
}
struct mtd_part_parser __initdata bifferboard_parser = {
.owner = THIS_MODULE,
.parse_fn = parse_bifferboard_partitions,
.name = "Bifferboard",
};
static int __init bifferboard_setup(void)
{
return register_mtd_parser(&bifferboard_parser);
}
arch_initcall(bifferboard_setup);
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