diff options
Diffstat (limited to 'target/linux/rdc/files/arch/x86/mach-rdc/platform.c')
| -rw-r--r-- | target/linux/rdc/files/arch/x86/mach-rdc/platform.c | 153 |
1 files changed, 150 insertions, 3 deletions
diff --git a/target/linux/rdc/files/arch/x86/mach-rdc/platform.c b/target/linux/rdc/files/arch/x86/mach-rdc/platform.c index 31af6fcc30..a58ee0f42b 100644 --- a/target/linux/rdc/files/arch/x86/mach-rdc/platform.c +++ b/target/linux/rdc/files/arch/x86/mach-rdc/platform.c @@ -3,8 +3,9 @@ * * Generic RDC321x platform devices * - * Copyright (C) 2007 OpenWrt.org + * Copyright (C) 2007-2008 OpenWrt.org * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2008 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 @@ -32,10 +33,14 @@ #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/gpio.h> /* Flash */ +#ifdef CONFIG_MTD_RDC3210 static struct resource rdc_flash_resource[] = { [0] = { .start = (u32)-CONFIG_MTD_RDC3210_SIZE, @@ -50,6 +55,26 @@ static struct platform_device rdc_flash_device = { .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[] = { @@ -106,9 +131,131 @@ static struct platform_device *rdc321x_devs[] = { &rdc321x_button }; -static int __init rdc_board_setup(void) +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 __init int rdc_board_setup(void) +{ +#ifndef CONFIG_MTD_RDC3210 + struct map_info rdc_map_info; + u32 the_header[4]; + + ROOT_DEV = 0; + rdc_map_info.name = rdc_flash_device.name; + rdc_map_info.phys = 0xff000000; + rdc_map_info.size = 0x1000000; + rdc_map_info.bankwidth = 2; + rdc_map_info.set_vpp = NULL; + simple_map_init(&rdc_map_info); + while (probe_flash_start(&rdc_map_info)) { + rdc_map_info.phys++; + if (--rdc_map_info.size) + panic("Not to be or to be: That" + " is not the question."); + } + rdc_flash_resource.start = rdc_map_info.phys; + rdc_flash_data.width = rdc_map_info.bankwidth; + rdc_map_info.virt = (u32)ioremap_nocache(rdc_map_info.phys, 0x10); + if (rdc_map_info.virt == NULL) + panic("Something's rotten in Denmark!"); + 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); + if (!memcmp(the_header, "GMTK", 4)) { /* Gemtek */ + /* TODO */ + } else if (!memcmp(the_header, "CSYS", 4)) { /* Sitecom */ + /* TODO */ + } 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 = "config"; + rdc_flash_parts[2].offset = rdc_map_info.size - 0x40000; + rdc_flash_parts[2].size = 0x10000; + rdc_flash_parts[3].name = "productinfo"; + rdc_flash_parts[3].offset = rdc_map_info.size - 0x30000; + rdc_flash_parts[3].size = 0x10000; + rdc_flash_parts[4].name = "bootloader"; + rdc_flash_parts[4].offset = rdc_map_info.size - 0x20000; + rdc_flash_parts[4].size = 0x20000; + rdc_flash_data.nr_parts = 5; + } +#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 |