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Wu, Josh 1bd3e2a823 mtd: atmel_nand: pmecc: fix bug fail to correct bit error in 1024-bytes sector 
The PMECC use BCH algorithm to correct error. In BCH algorithm, the
primitive polynomial value is GF(2^13) for 512-bytes sector size. And it is
GF(2^14) for 1024-bytes sector size.

This patch will choose correct degree of the remainders (13 or 14) for
different sector size.
Tested in AT91SAM9X5-EK with MLC nand flash.

More detail can be refered to section 5.4.1 of:
  AT91SAM ARM-based Embedded MPU Application Note
  <http://www.atmel.com/Images/doc11127.pdf>

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
2013-09-04 17:07:21 +02:00
..
nand mtd: atmel_nand: pmecc: fix bug fail to correct bit error in 1024-bytes sector 2013-09-04 17:07:21 +02:00
onenand Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
spi SPDX-License-Identifier: clean up license header 2013-08-20 10:15:37 -07:00
ubi Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
at45.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
cfi_flash.c Merge branch 'master' of git://www.denx.de/git/u-boot-cfi-flash 2013-07-26 15:29:08 -04:00
cfi_mtd.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
dataflash.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ftsmc020.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
jedec_flash.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
Makefile Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
mtdconcat.c mtd: resync with Linux-3.7.1 2013-05-31 17:12:03 -05:00
mtdcore.c mtd: resync with Linux-3.7.1 2013-05-31 17:12:03 -05:00
mtdpart.c mtd: resync with Linux-3.7.1 2013-05-31 17:12:03 -05:00
mw_eeprom.c Update i386 code (sc520_cdp) 2008-09-09 11:48:53 +02:00
st_smi.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00