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mtd: Add MTD concat support to concatenate multiple MTD NOR devices

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This patch adds concatenation support to the U-Boot MTD infrastructure.
By enabling CONFIG_MTD_CONCAT this MTD CFI wrapper will concatenate
all found NOR devices into one single MTD device. This can be used by
e.g by UBI to access a partition that spans over multiple NOR chips.

Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese
2009-05-12 14:29:39 +02:00
committed by Wolfgang Denk
parent 55e0ed6078
commit 0a57265533
5 changed files with 915 additions and 5 deletions
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21
include/linux/mtd/concat.h Normal file
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/*
* MTD device concatenation layer definitions
*
* (C) 2002 Robert Kaiser <rkaiser@sysgo.de>
*
* This code is GPL
*/
#ifndef MTD_CONCAT_H
#define MTD_CONCAT_H
struct mtd_info *mtd_concat_create(
struct mtd_info *subdev[], /* subdevices to concatenate */
int num_devs, /* number of subdevices */
const char *name); /* name for the new device */
void mtd_concat_destroy(struct mtd_info *mtd);
#endif