148 lines
4.1 KiB
Diff
148 lines
4.1 KiB
Diff
diff -urN linux.old/drivers/mtd/maps/Kconfig linux.dev/drivers/mtd/maps/Kconfig
|
|
--- linux.old/drivers/mtd/maps/Kconfig 2006-08-30 06:30:59.000000000 +0200
|
|
+++ linux.dev/drivers/mtd/maps/Kconfig 2006-08-30 06:11:51.000000000 +0200
|
|
@@ -323,6 +323,15 @@
|
|
Walnut board. If you have one of these boards and would like to
|
|
use the flash chips on it, say 'Y'.
|
|
|
|
+config MTD_MAGICMAP
|
|
+ tristate "Flash device mapped on IBM 405EP MagicBox"
|
|
+ depends on MTD_CFI && MTD_PARTITIONS && 40x && MAGICBOX
|
|
+ help
|
|
+ This enables access routines for the flash chips on the IBM 405EP
|
|
+ MagicBox board. If you have one of these boards and would like to
|
|
+ use the flash chips on it, say 'Y'.
|
|
+
|
|
+
|
|
config MTD_EBONY
|
|
tristate "Flash devices mapped on IBM 440GP Ebony"
|
|
depends on MTD_JEDECPROBE && EBONY
|
|
diff -urN linux.old/drivers/mtd/maps/magicmap.c linux.dev/drivers/mtd/maps/magicmap.c
|
|
--- linux.old/drivers/mtd/maps/magicmap.c 1970-01-01 01:00:00.000000000 +0100
|
|
+++ linux.dev/drivers/mtd/maps/magicmap.c 2006-08-30 06:52:34.000000000 +0200
|
|
@@ -0,0 +1,113 @@
|
|
+/*
|
|
+ * 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/config.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 (MTD_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");
|
|
diff -urN linux.old/drivers/mtd/maps/Makefile linux.dev/drivers/mtd/maps/Makefile
|
|
--- linux.old/drivers/mtd/maps/Makefile 2006-08-30 06:30:59.000000000 +0200
|
|
+++ linux.dev/drivers/mtd/maps/Makefile 2006-08-30 06:11:51.000000000 +0200
|
|
@@ -58,6 +58,7 @@
|
|
obj-$(CONFIG_MTD_BEECH) += beech-mtd.o
|
|
obj-$(CONFIG_MTD_ARCTIC) += arctic-mtd.o
|
|
obj-$(CONFIG_MTD_WALNUT) += walnut.o
|
|
+obj-$(CONFIG_MTD_MAGICMAP) += magicmap.o
|
|
obj-$(CONFIG_MTD_H720X) += h720x-flash.o
|
|
obj-$(CONFIG_MTD_SBC8240) += sbc8240.o
|
|
obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o
|