SVN-Revision: 7336master
Imre Kaloz
18 years ago
parent
b62d62a3c4
commit
8f83153369
@ -1,113 +0,0 @@ |
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/*
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* magicmap.c: Copyleft 2005 Karol Lewandowski |
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* |
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* Mapping for MagicBox flash. |
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* Based on walnut.c. |
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* |
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* Heikki Lindholm <holindho@infradead.org> |
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* |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the |
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* Free Software Foundation; either version 2 of the License, or (at your |
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* option) any later version. |
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*/ |
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#include <linux/module.h> |
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#include <linux/types.h> |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/map.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/autoconf.h> |
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#include <asm/io.h> |
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static struct mtd_info *flash; |
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static struct map_info magic_map = { |
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.name = "Magically mapped flash", |
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.phys = 0xffc00000, |
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.size = 0x400000, |
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.bankwidth = 2, |
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}; |
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static struct mtd_partition magic_partitions[] = { |
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{ |
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.name = "linux", |
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.offset = 0x0, |
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.size = 0x3c0000, |
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}, |
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{ |
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.name = "rootfs", |
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.offset = 0x100000, |
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.size = 0x2c0000, |
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}, |
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{ |
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.name = "bootloader", |
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.offset = 0x3c0000, |
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.size = 0x040000, |
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.mask_flags = MTD_WRITEABLE, |
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}, |
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}; |
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int __init init_magic(void) |
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{ |
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u32 size, len; |
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magic_map.virt = |
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(void __iomem *)ioremap(magic_map.phys, magic_map.size); |
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if (!magic_map.virt) { |
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printk("Failed to ioremap flash.\n"); |
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return -EIO; |
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} |
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simple_map_init(&magic_map); |
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flash = do_map_probe("cfi_probe", &magic_map); |
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if (flash) { |
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flash->owner = THIS_MODULE; |
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if (flash->read(flash, 12, sizeof(u32), &len, (char *) &size) || |
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len != 4) |
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return -ENXIO; |
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size += 0x40; /* header size of the uImage */ |
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if (size < 0x400000) { |
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/* skip to next erase block */ |
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if (size & (flash->erasesize - 1)) { |
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size |= (flash->erasesize - 1); |
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size += 1; |
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} |
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magic_partitions[1].offset = size; |
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magic_partitions[1].size = magic_partitions[2].offset - size; |
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} |
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add_mtd_partitions(flash, magic_partitions, |
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ARRAY_SIZE(magic_partitions)); |
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} else { |
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printk("map probe failed for flash\n"); |
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return -ENXIO; |
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} |
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return 0; |
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} |
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static void __exit cleanup_magic(void) |
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{ |
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if (flash) { |
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del_mtd_partitions(flash); |
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map_destroy(flash); |
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} |
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if (magic_map.virt) { |
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iounmap((void *)magic_map.virt); |
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magic_map.virt = NULL; |
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} |
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} |
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module_init(init_magic); |
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module_exit(cleanup_magic); |
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MODULE_LICENSE("GPL"); |
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MODULE_AUTHOR("Karol Lewandowski"); |
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MODULE_DESCRIPTION("MTD map and partitions for IBM 405EP MagicBox boards"); |
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@ -1,30 +0,0 @@ |
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diff -urN linux.old/drivers/mtd/maps/Kconfig linux.dev/drivers/mtd/maps/Kconfig
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--- linux.old/drivers/mtd/maps/Kconfig 2006-08-30 06:30:59.000000000 +0200
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+++ linux.dev/drivers/mtd/maps/Kconfig 2006-08-30 06:11:51.000000000 +0200
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@@ -323,6 +323,15 @@
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Walnut board. If you have one of these boards and would like to
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use the flash chips on it, say 'Y'.
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+config MTD_MAGICMAP
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+ tristate "Flash device mapped on IBM 405EP MagicBox"
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+ depends on MTD_CFI && MTD_PARTITIONS && 40x && MAGICBOX
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+ help
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+ This enables access routines for the flash chips on the IBM 405EP
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+ MagicBox board. If you have one of these boards and would like to
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+ use the flash chips on it, say 'Y'.
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+
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+
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config MTD_EBONY
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tristate "Flash devices mapped on IBM 440GP Ebony"
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depends on MTD_JEDECPROBE && EBONY
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diff -urN linux.old/drivers/mtd/maps/Makefile linux.dev/drivers/mtd/maps/Makefile
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--- linux.old/drivers/mtd/maps/Makefile 2006-08-30 06:30:59.000000000 +0200
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+++ linux.dev/drivers/mtd/maps/Makefile 2006-08-30 06:11:51.000000000 +0200
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@@ -58,6 +58,7 @@
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obj-$(CONFIG_MTD_BEECH) += beech-mtd.o
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obj-$(CONFIG_MTD_ARCTIC) += arctic-mtd.o
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obj-$(CONFIG_MTD_WALNUT) += walnut.o
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+obj-$(CONFIG_MTD_MAGICMAP) += magicmap.o
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obj-$(CONFIG_MTD_H720X) += h720x-flash.o
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obj-$(CONFIG_MTD_SBC8240) += sbc8240.o
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obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o
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