/* * Generic 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/kernel.h> //#include <linux/list.h> //#include <linux/device.h> #include <linux/platform_device.h> //#include <linux/version.h> //#include <linux/input.h> #include <linux/mtd/map.h> #include <linux/mtd/mtd.h> #include <linux/mtd/physmap.h> #include <linux/root_dev.h> #include <asm/rdc_boards.h> static struct rdc_platform_data rdcplat_data; /* LEDS */ static struct platform_device rdc321x_leds = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &rdcplat_data.led_data, } }; /* Button */ static struct platform_device rdc321x_buttons = { .name = "gpio-buttons", .id = -1, .dev = { .platform_data = &rdcplat_data.button_data, } }; static __initdata struct platform_device *rdc321x_devs[] = { &rdc321x_leds, &rdc321x_buttons, }; const char *__initdata boards[] = { "Sitecom", "AR525W", "Bifferboard", "R8610", 0 }; static struct map_info rdc_map_info = { .name = "rdc_flash", .size = 0x800000, //8MB .phys = 0xFF800000, //(u32) -rdc_map_info.size; .bankwidth = 2 }; static int __init rdc_board_setup(void) { struct mtd_partition *partitions; int count, res; struct mtd_info *mtdinfo; simple_map_init(&rdc_map_info); while (true) { rdc_map_info.virt = ioremap(rdc_map_info.phys, rdc_map_info.size); if (rdc_map_info.virt == NULL) continue; mtdinfo = do_map_probe("cfi_probe", &rdc_map_info); if (mtdinfo == NULL) mtdinfo = do_map_probe("jedec_probe", &rdc_map_info); if (mtdinfo != NULL) break; iounmap(rdc_map_info.virt); if ((rdc_map_info.size >>= 1) < 0x100000) //1MB panic("RDC321x: Could not find start of flash!"); rdc_map_info.phys = (u32) -rdc_map_info.size; } count = parse_mtd_partitions(mtdinfo, boards, &partitions, (unsigned long) &rdcplat_data); if (count <= 0) { panic("RDC321x: can't identify board type"); return -ENOSYS; } ROOT_DEV = 0; res = add_mtd_partitions(mtdinfo, partitions, count); if (res) return res; return platform_add_devices(rdc321x_devs, ARRAY_SIZE(rdc321x_devs)); } late_initcall(rdc_board_setup);