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author | Florian Fainelli <florian@openwrt.org> | 2010-02-23 21:09:51 +0000 |
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committer | Florian Fainelli <florian@openwrt.org> | 2010-02-23 21:09:51 +0000 |
commit | b57690432c90c356d3f2d6edd3bbc565dc72a61c (patch) | |
tree | 9203a7ccef0119d0922f343766a8ac7a323b9d16 /target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c | |
parent | 3e139467ce44c9522592aad80b8989f6a923c79c (diff) | |
download | upstream-b57690432c90c356d3f2d6edd3bbc565dc72a61c.tar.gz upstream-b57690432c90c356d3f2d6edd3bbc565dc72a61c.tar.bz2 upstream-b57690432c90c356d3f2d6edd3bbc565dc72a61c.zip |
add preliminary 2.6.32 support
SVN-Revision: 19826
Diffstat (limited to 'target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c')
-rw-r--r-- | target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c b/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c new file mode 100644 index 0000000000..3c2cec721a --- /dev/null +++ b/target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c @@ -0,0 +1,290 @@ +/* + * 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/leds.h> +#include <linux/gpio_keys.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/rdc321x_gpio.h> + +/* Flash */ +#ifdef CONFIG_MTD_R8610 +#define CONFIG_MTD_RDC3210 1 +#elif defined CONFIG_MTD_RDC3210 +static struct resource rdc_flash_resource[] = { + [0] = { + .start = (u32)-CONFIG_MTD_RDC3210_SIZE, + .end = (u32)-1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device rdc_flash_device = { + .name = "rdc321x-flash", + .id = -1, + .num_resources = ARRAY_SIZE(rdc_flash_resource), + .resource = rdc_flash_resource, +}; +#else +static struct mtd_partition rdc_flash_parts[15]; + +static struct resource rdc_flash_resource = { + .end = (u32)-1, + .flags = IORESOURCE_MEM, +}; + +static struct physmap_flash_data rdc_flash_data = { + .parts = rdc_flash_parts, +}; + +static struct platform_device rdc_flash_device = { + .name = "physmap-flash", + .id = -1, + .resource = &rdc_flash_resource, + .num_resources = 1, + .dev.platform_data = &rdc_flash_data, +}; +#endif + +/* LEDS */ +static struct gpio_led default_leds[] = { + { .name = "rdc321x:dmz", .gpio = 1, .active_low = 1}, +}; + +static struct gpio_led_platform_data rdc321x_led_data = { + .num_leds = ARRAY_SIZE(default_leds), + .leds = default_leds, +}; + +static struct platform_device rdc321x_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &rdc321x_led_data, + } +}; + +/* Watchdog */ +static struct platform_device rdc321x_wdt = { + .name = "rdc321x-wdt", + .id = -1, + .num_resources = 0, +}; + +/* Button */ +static struct gpio_keys_button rdc321x_gpio_btn[] = { + { + .gpio = 0, + .code = BTN_0, + .desc = "Reset", + .active_low = 1, + } +}; + +static struct gpio_keys_platform_data rdc321x_gpio_btn_data = { + .buttons = rdc321x_gpio_btn, + .nbuttons = ARRAY_SIZE(rdc321x_gpio_btn), +}; + +static struct platform_device rdc321x_button = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &rdc321x_gpio_btn_data, + } +}; + +static struct platform_device *rdc321x_devs[] = { + &rdc_flash_device, + &rdc321x_leds, + &rdc321x_wdt, + &rdc321x_button, +}; + +static int probe_flash_start(struct map_info *the_map) +{ + struct mtd_info *res; + + the_map->virt = ioremap(the_map->phys, the_map->size); + if (the_map->virt == NULL) + return 1; + for (the_map->bankwidth = 32; the_map->bankwidth; the_map->bankwidth + >>= 1) { + res = do_map_probe("cfi_probe", the_map); + if (res == NULL) + res = do_map_probe("jedec_probe", the_map); + if (res != NULL) + break; + } + iounmap(the_map->virt); + if (res != NULL) + the_map->phys = (u32)-(s32)(the_map->size = res->size); + return res == NULL; +} + +static int __init rdc_board_setup(void) +{ +#ifndef CONFIG_MTD_RDC3210 + struct map_info rdc_map_info; + u32 the_header[8]; + + ROOT_DEV = 0; + rdc_map_info.name = rdc_flash_device.name; + rdc_map_info.size = 0x800000; //8MB + rdc_map_info.phys = (u32) -rdc_map_info.size; + rdc_map_info.bankwidth = 2; + rdc_map_info.set_vpp = NULL; + simple_map_init(&rdc_map_info); + while (probe_flash_start(&rdc_map_info)) { + if (rdc_map_info.size /= 2 < 0x100000) //1MB + panic("Could not find start of flash!"); + rdc_map_info.phys = (u32) -rdc_map_info.size; + } + rdc_flash_resource.start = rdc_map_info.phys; + rdc_flash_data.width = rdc_map_info.bankwidth; + rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys, 0x10); + if (rdc_map_info.virt == NULL) + panic("Could not ioremap to read device magic!"); + the_header[0] = ((u32 *)rdc_map_info.virt)[0]; + the_header[1] = ((u32 *)rdc_map_info.virt)[1]; + the_header[2] = ((u32 *)rdc_map_info.virt)[2]; + the_header[3] = ((u32 *)rdc_map_info.virt)[3]; + iounmap(rdc_map_info.virt); + rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys + 0x8000, 0x10); + if (rdc_map_info.virt == NULL) + panic("Could not ioremap to read device magic!"); + the_header[4] = ((u32 *)rdc_map_info.virt)[0]; + the_header[5] = ((u32 *)rdc_map_info.virt)[1]; + the_header[6] = ((u32 *)rdc_map_info.virt)[2]; + the_header[7] = ((u32 *)rdc_map_info.virt)[3]; + iounmap(rdc_map_info.virt); + if (!memcmp(the_header, "GMTK", 4)) { /* Gemtek */ + /* TODO */ + } else if (!memcmp(the_header + 4, "CSYS", 4)) { /* Sitecom */ + rdc_flash_parts[0].name = "system"; + rdc_flash_parts[0].offset = 0; + rdc_flash_parts[0].size = rdc_map_info.size - 0x10000; + rdc_flash_parts[1].name = "config"; + rdc_flash_parts[1].offset = 0; + rdc_flash_parts[1].size = 0x8000; + rdc_flash_parts[2].name = "magic"; + rdc_flash_parts[2].offset = 0x8000; + rdc_flash_parts[2].size = 0x14; + rdc_flash_parts[3].name = "kernel"; + rdc_flash_parts[3].offset = 0x8014; + rdc_flash_parts[3].size = the_header[5]; + rdc_flash_parts[4].name = "rootfs"; + rdc_flash_parts[4].offset = 0x8014 + the_header[5]; + rdc_flash_parts[4].size = rdc_flash_parts[0].size - rdc_flash_parts[4].offset; + rdc_flash_parts[5].name = "bootloader"; + rdc_flash_parts[5].offset = rdc_flash_parts[0].size; + rdc_flash_parts[5].size = 0x10000; + rdc_flash_data.nr_parts = 6; + } else if (!memcmp(((u8 *)the_header) + 14, "Li", 2)) { /* AMIT */ + rdc_flash_parts[0].name = "kernel_parthdr"; + rdc_flash_parts[0].offset = 0; + rdc_flash_parts[0].size = 0x10; + rdc_flash_parts[1].name = "kernel"; + rdc_flash_parts[1].offset = 0x10; + rdc_flash_parts[1].size = 0xffff0; + rdc_flash_parts[2].name = "rootfs_parthdr"; + rdc_flash_parts[2].offset = 0x100000; + rdc_flash_parts[2].size = 0x10; + rdc_flash_parts[3].name = "rootfs"; + rdc_flash_parts[3].offset = 0x100010; + rdc_flash_parts[3].size = rdc_map_info.size - 0x160010; + rdc_flash_parts[4].name = "config_parthdr"; + rdc_flash_parts[4].offset = rdc_map_info.size - 0x60000; + rdc_flash_parts[4].size = 0x10; + rdc_flash_parts[5].name = "config"; + rdc_flash_parts[5].offset = rdc_map_info.size - 0x5fff0; + rdc_flash_parts[5].size = 0xfff0; + rdc_flash_parts[6].name = "recoveryfs_parthdr"; + rdc_flash_parts[6].offset = rdc_map_info.size - 0x50000; + rdc_flash_parts[6].size = 0x10; + rdc_flash_parts[7].name = "recoveryfs"; + rdc_flash_parts[7].offset = rdc_map_info.size - 0x4fff0; + rdc_flash_parts[7].size = 0x3fff0; + rdc_flash_parts[8].name = "recovery_parthdr"; + rdc_flash_parts[8].offset = rdc_map_info.size - 0x10000; + rdc_flash_parts[8].size = 0x10; + rdc_flash_parts[9].name = "recovery"; + rdc_flash_parts[9].offset = rdc_map_info.size - 0xfff0; + rdc_flash_parts[9].size = 0x7ff0; + rdc_flash_parts[10].name = "productinfo_parthdr"; + rdc_flash_parts[10].offset = rdc_map_info.size - 0x8000; + rdc_flash_parts[10].size = 0x10; + rdc_flash_parts[11].name = "productinfo"; + rdc_flash_parts[11].offset = rdc_map_info.size - 0x7ff0; + rdc_flash_parts[11].size = 0x1ff0; + rdc_flash_parts[12].name = "bootloader_parthdr"; + rdc_flash_parts[12].offset = rdc_map_info.size - 0x6000; + rdc_flash_parts[12].size = 0x10; + rdc_flash_parts[13].name = "bootloader"; + rdc_flash_parts[13].offset = rdc_map_info.size - 0x5ff0; + rdc_flash_parts[13].size = 0x5ff0; + rdc_flash_parts[14].name = "everything"; + rdc_flash_parts[14].offset = 0; + rdc_flash_parts[14].size = rdc_map_info.size; + rdc_flash_data.nr_parts = 15; + } else { /* ZyXEL */ + rdc_flash_parts[0].name = "kernel"; + rdc_flash_parts[0].offset = 0; + rdc_flash_parts[0].size = 0x100000; + rdc_flash_parts[1].name = "rootfs"; + rdc_flash_parts[1].offset = 0x100000; + rdc_flash_parts[1].size = rdc_map_info.size - 0x140000; + rdc_flash_parts[2].name = "linux"; + rdc_flash_parts[2].offset = 0; + rdc_flash_parts[2].size = rdc_map_info.size - 0x40000; + rdc_flash_parts[3].name = "config"; + rdc_flash_parts[3].offset = rdc_map_info.size - 0x40000; + rdc_flash_parts[3].size = 0x10000; + rdc_flash_parts[4].name = "productinfo"; + rdc_flash_parts[4].offset = rdc_map_info.size - 0x30000; + rdc_flash_parts[4].size = 0x10000; + rdc_flash_parts[5].name = "bootloader"; + rdc_flash_parts[5].offset = rdc_map_info.size - 0x20000; + rdc_flash_parts[5].size = 0x20000; + rdc_flash_data.nr_parts = 6; + } +#endif + return platform_add_devices(rdc321x_devs, ARRAY_SIZE(rdc321x_devs)); +} + +#ifdef CONFIG_MTD_RDC3210 +arch_initcall(rdc_board_setup); +#else +late_initcall(rdc_board_setup); +#endif |