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[MTD] Add OTP basisc

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add structure definition for OTP region info

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Nicolas Pitre 2005-02-05 02:06:19 +00:00 committed by Thomas Gleixner
parent 322b12eb57
commit 72b56a2d7d
2 changed files with 14 additions and 4 deletions
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8
drivers/mtd/chips/cfi_cmdset_0001.c
View file

@ -4,7 +4,7 @@
*
* (C) 2000 Red Hat. GPL'd
*
* $Id: cfi_cmdset_0001.c,v 1.164 2004/11/16 18:29:00 dwmw2 Exp $
* $Id: cfi_cmdset_0001.c,v 1.165 2005/02/05 02:06:15 nico Exp $
*
*
* 10/10/2000 Nicolas Pitre <nico@cam.org>
@ -252,7 +252,8 @@ read_pri_intelext(struct map_info *map, __u16 adr)
int nb_parts, i;
/* Protection Register info */
extra_size += (extp->NumProtectionFields - 1) * (4 + 6);
extra_size += (extp->NumProtectionFields - 1) *
sizeof(struct cfi_intelext_otpinfo);
/* Burst Read info */
extra_size += 6;
@ -471,7 +472,8 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
int offs, numregions, numparts, partshift, numvirtchips, i, j;
/* Protection Register info */
offs = (extp->NumProtectionFields - 1) * (4 + 6);
offs = (extp->NumProtectionFields - 1) *
sizeof(struct cfi_intelext_otpinfo);
/* Burst Read info */
offs += 6;

10
include/linux/mtd/cfi.h
View file

@ -1,7 +1,7 @@
/* Common Flash Interface structures
* See http://support.intel.com/design/flash/technote/index.htm
* $Id: cfi.h,v 1.50 2004/11/20 12:46:51 dwmw2 Exp $
* $Id: cfi.h,v 1.51 2005/02/05 02:06:16 nico Exp $
*/
#ifndef __MTD_CFI_H__
@ -148,6 +148,14 @@ struct cfi_pri_intelext {
uint8_t extra[0];
} __attribute__((packed));
struct cfi_intelext_otpinfo {
uint32_t ProtRegAddr;
uint16_t FactGroups;
uint8_t FactProtRegSize;
uint16_t UserGroups;
uint8_t UserProtRegSize;
} __attribute__((packed));
struct cfi_intelext_blockinfo {
uint16_t NumIdentBlocks;
uint16_t BlockSize;