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nand: Add verification functions

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Add nand_verify() and nand_verify_page_oob().  nand_verify() verifies
NAND contents against an arbitrarily sized buffer using ECC while
nand_verify_page_oob() verifies a NAND page's contents and OOB.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Tested-by: Heiko Schocher <hs@denx.de>
Acked-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Peter Tyser
2015-02-03 11:58:12 -06:00
committed by Scott Wood
parent 800772a1a6
commit 59b5a2ad83
2 changed files with 100 additions and 1 deletions
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4
include/nand.h
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@@ -108,11 +108,15 @@ int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
* is a 'mode' meaning it cannot be mixed with
* other flags */
#define WITH_DROP_FFS (1 << 1) /* drop trailing all-0xff pages */
#define WITH_WR_VERIFY (1 << 2) /* verify data was written correctly */
int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
size_t *actual, loff_t lim, u_char *buffer, int flags);
int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
int nand_torture(nand_info_t *nand, loff_t offset);
int nand_verify_page_oob(nand_info_t *nand, struct mtd_oob_ops *ops,
loff_t ofs);
int nand_verify(nand_info_t *nand, loff_t ofs, size_t len, u_char *buf);
#define NAND_LOCK_STATUS_TIGHT 0x01
#define NAND_LOCK_STATUS_UNLOCK 0x04