diff options
Diffstat (limited to 'target/linux/magicbox-2.6/files')
| -rw-r--r-- | target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c | 47 | ||||
| -rw-r--r-- | target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c | 113 |
2 files changed, 47 insertions, 113 deletions
diff --git a/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c b/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c index 470fbc4e08..e65319bc61 100644 --- a/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c +++ b/target/linux/magicbox-2.6/files/arch/ppc/platforms/4xx/magicbox.c @@ -24,6 +24,9 @@ #include <linux/tty.h> #include <linux/serial.h> #include <linux/serial_core.h> +#include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <asm/system.h> #include <asm/pci-bridge.h> @@ -214,6 +217,50 @@ bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip) #endif /* DEBUG */ } +static struct resource magicbox_flash_resource = { + .start = 0xffc00000, + .end = 0xffffffffULL, + .flags = IORESOURCE_MEM, +}; + +static struct mtd_partition magicbox_flash_parts[] = { + { + .name = "linux", + .offset = 0x0, + .size = 0x3c0000, + }, + { + .name = "rootfs", + .offset = 0x100000, + .size = 0x2c0000, + } +}; + +static struct physmap_flash_data magicbox_flash_data = { + .width = 2, + .parts = magicbox_flash_parts, + .nr_parts = ARRAY_SIZE(magicbox_flash_parts), +}; + +static struct platform_device magicbox_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &magicbox_flash_data, + }, + .num_resources = 1, + .resource = &magicbox_flash_resource, +}; + +static int magicbox_setup_flash(void) +{ + platform_device_register(&magicbox_flash_device); + + return 0; +}; + +arch_initcall (magicbox_setup_flash); + void __init magicbox_setup_arch(void) { diff --git a/target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c b/target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c deleted file mode 100644 index b654a3d9bd..0000000000 --- a/target/linux/magicbox-2.6/files/drivers/mtd/maps/magicmap.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * magicmap.c: Copyleft 2005 Karol Lewandowski - * - * Mapping for MagicBox flash. - * Based on walnut.c. - * - * Heikki Lindholm <holindho@infradead.org> - * - * - * 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. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <linux/autoconf.h> -#include <asm/io.h> - -static struct mtd_info *flash; - -static struct map_info magic_map = { - .name = "Magically mapped flash", - .phys = 0xffc00000, - .size = 0x400000, - .bankwidth = 2, -}; - -static struct mtd_partition magic_partitions[] = { - { - .name = "linux", - .offset = 0x0, - .size = 0x3c0000, - }, - { - .name = "rootfs", - .offset = 0x100000, - .size = 0x2c0000, - }, - { - .name = "bootloader", - .offset = 0x3c0000, - .size = 0x040000, - .mask_flags = MTD_WRITEABLE, - }, -}; - -int __init init_magic(void) -{ - u32 size, len; - - magic_map.virt = - (void __iomem *)ioremap(magic_map.phys, magic_map.size); - - if (!magic_map.virt) { - printk("Failed to ioremap flash.\n"); - return -EIO; - } - - simple_map_init(&magic_map); - - flash = do_map_probe("cfi_probe", &magic_map); - if (flash) { - flash->owner = THIS_MODULE; - if (flash->read(flash, 12, sizeof(u32), &len, (char *) &size) || - len != 4) - return -ENXIO; - size += 0x40; /* header size of the uImage */ - if (size < 0x400000) { - /* skip to next erase block */ - if (size & (flash->erasesize - 1)) { - size |= (flash->erasesize - 1); - size += 1; - } - magic_partitions[1].offset = size; - magic_partitions[1].size = magic_partitions[2].offset - size; - } - - add_mtd_partitions(flash, magic_partitions, - ARRAY_SIZE(magic_partitions)); - } else { - printk("map probe failed for flash\n"); - return -ENXIO; - } - - return 0; -} - -static void __exit cleanup_magic(void) -{ - if (flash) { - del_mtd_partitions(flash); - map_destroy(flash); - } - - if (magic_map.virt) { - iounmap((void *)magic_map.virt); - magic_map.virt = NULL; - } -} - -module_init(init_magic); -module_exit(cleanup_magic); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Karol Lewandowski"); -MODULE_DESCRIPTION("MTD map and partitions for IBM 405EP MagicBox boards"); |