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/*
* Sitecom RDC321x platform devices
*
* Copyright (C) 2007-2009 OpenWrt.org
* Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
* Copyright (C) 2008-2009 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
*
* 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>
struct image_header {
char magic[4];
u32 kernel_length;
u32 ramdisk_length;
char magic2[4];
u32 kernel_length2;
};
static struct gpio_led sitecom_leds[] = {
{ .name = "rdc321x:power", .gpio = 15, .active_low = 1},
{ .name = "rdc321x:usb0", .gpio = 0, .active_low = 1},
{ .name = "rdc321x:usb1", .gpio = 1, .active_low = 1},
};
static struct gpio_button sitecom_btns[] = {
{
.gpio = 6,
.code = BTN_0,
.desc = "Reset",
.active_low = 1,
}
};
static int __init parse_sitecom_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long plat_data)
{
struct image_header header;
int res;
size_t len;
struct mtd_partition *rdc_flash_parts;
struct rdc_platform_data *pdata = (struct rdc_platform_data *) plat_data;
if (master->size != 0x400000) //4MB
return -ENOSYS;
res = master->read(master, 0x8000, sizeof(header), &len, (char *)&header);
if (res)
return res;
if (strncmp(header.magic, "CSYS", 4) || strncmp(header.magic2, "WRRM", 4))
return -ENOSYS;
rdc_flash_parts = kzalloc(sizeof(struct mtd_partition) * 5, GFP_KERNEL);
rdc_flash_parts[0].name = "firmware";
rdc_flash_parts[0].offset = 0x8000;
rdc_flash_parts[0].size = 0x3F0000;
rdc_flash_parts[1].name = "config";
rdc_flash_parts[1].offset = 0;
rdc_flash_parts[1].size = 0x8000;
rdc_flash_parts[2].name = "kernel";
rdc_flash_parts[2].offset = 0x8014;
rdc_flash_parts[2].size = header.kernel_length;
rdc_flash_parts[3].name = "rootfs";
rdc_flash_parts[3].offset = 0x8014 + header.kernel_length;
rdc_flash_parts[3].size = 0x3F0000 - rdc_flash_parts[3].offset;
rdc_flash_parts[4].name = "bootloader";
rdc_flash_parts[4].offset = 0x3F0000;
rdc_flash_parts[4].size = 0x10000;
*pparts = rdc_flash_parts;
pdata->led_data.num_leds = ARRAY_SIZE(sitecom_leds);
pdata->led_data.leds = sitecom_leds;
pdata->button_data.nbuttons = ARRAY_SIZE(sitecom_btns);
pdata->button_data.buttons = sitecom_btns;
return 5;
}
struct mtd_part_parser __initdata sitecom_parser = {
.owner = THIS_MODULE,
.parse_fn = parse_sitecom_partitions,
.name = "Sitecom",
};
static int __init sitecom_setup(void)
{
return register_mtd_parser(&sitecom_parser);
}
arch_initcall(sitecom_setup);
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