mirror of https://github.com/hak5/openwrt.git
112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
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/*
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* Sitecom RDC321x platform devices
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*
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* Copyright (C) 2007-2009 OpenWrt.org
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* Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
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* Copyright (C) 2008-2009 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include <linux/init.h>
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#include <linux/mtd/physmap.h>
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#include <linux/input.h>
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#include <asm/rdc_boards.h>
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struct image_header {
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char magic[4];
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u32 kernel_length;
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u32 ramdisk_length;
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char magic2[4];
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u32 kernel_length2;
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};
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static struct gpio_led sitecom_leds[] = {
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{ .name = "rdc321x:power", .gpio = 15, .active_low = 1},
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{ .name = "rdc321x:usb0", .gpio = 0, .active_low = 1},
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{ .name = "rdc321x:usb1", .gpio = 1, .active_low = 1},
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};
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static struct gpio_button sitecom_btns[] = {
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{
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.gpio = 6,
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.code = BTN_0,
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.desc = "Reset",
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.active_low = 1,
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}
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};
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static int __init parse_sitecom_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long plat_data)
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{
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struct image_header header;
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int res;
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size_t len;
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struct mtd_partition *rdc_flash_parts;
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struct rdc_platform_data *pdata = (struct rdc_platform_data *) plat_data;
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if (master->size != 0x400000) //4MB
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return -ENOSYS;
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res = master->read(master, 0x8000, sizeof(header), &len, (char *)&header);
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if (res)
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return res;
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if (strncmp(header.magic, "CSYS", 4) || strncmp(header.magic2, "WRRM", 4))
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return -ENOSYS;
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rdc_flash_parts = kzalloc(sizeof(struct mtd_partition) * 5, GFP_KERNEL);
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rdc_flash_parts[0].name = "firmware";
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rdc_flash_parts[0].offset = 0x8000;
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rdc_flash_parts[0].size = 0x3F0000;
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rdc_flash_parts[1].name = "config";
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rdc_flash_parts[1].offset = 0;
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rdc_flash_parts[1].size = 0x8000;
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rdc_flash_parts[2].name = "kernel";
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rdc_flash_parts[2].offset = 0x8014;
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rdc_flash_parts[2].size = header.kernel_length;
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rdc_flash_parts[3].name = "rootfs";
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rdc_flash_parts[3].offset = 0x8014 + header.kernel_length;
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rdc_flash_parts[3].size = 0x3F0000 - rdc_flash_parts[3].offset;
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rdc_flash_parts[4].name = "bootloader";
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rdc_flash_parts[4].offset = 0x3F0000;
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rdc_flash_parts[4].size = 0x10000;
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*pparts = rdc_flash_parts;
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pdata->led_data.num_leds = ARRAY_SIZE(sitecom_leds);
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pdata->led_data.leds = sitecom_leds;
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pdata->button_data.nbuttons = ARRAY_SIZE(sitecom_btns);
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pdata->button_data.buttons = sitecom_btns;
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return 5;
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}
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struct mtd_part_parser __initdata sitecom_parser = {
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.owner = THIS_MODULE,
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.parse_fn = parse_sitecom_partitions,
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.name = "Sitecom",
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};
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static int __init sitecom_setup(void)
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{
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return register_mtd_parser(&sitecom_parser);
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}
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arch_initcall(sitecom_setup);
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