mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 19:10:13 +00:00
09c2b8f3e3
I'll switch my mails to my own server, so drop all gmail references. Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
|
|
* (C) Copyright 2014 Andreas Bießmann <andreas@biessmann.org>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
/*
|
|
* This is a host tool for generating an appropriate string out of board
|
|
* configuration. The string is required for correct generation of PMECC
|
|
* header which in turn is required for NAND flash booting of Atmel AT91 style
|
|
* hardware.
|
|
*
|
|
* See doc/README.atmel_pmecc for more information.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <stdlib.h>
|
|
|
|
static int pmecc_get_ecc_bytes(int cap, int sector_size)
|
|
{
|
|
int m = 12 + sector_size / 512;
|
|
return (m * cap + 7) / 8;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
unsigned int use_pmecc = 0;
|
|
unsigned int sector_per_page;
|
|
unsigned int sector_size = CONFIG_PMECC_SECTOR_SIZE;
|
|
unsigned int oob_size = CONFIG_SYS_NAND_OOBSIZE;
|
|
unsigned int ecc_bits = CONFIG_PMECC_CAP;
|
|
unsigned int ecc_offset;
|
|
|
|
#ifdef CONFIG_ATMEL_NAND_HW_PMECC
|
|
use_pmecc = 1;
|
|
#endif
|
|
|
|
sector_per_page = CONFIG_SYS_NAND_PAGE_SIZE / CONFIG_PMECC_SECTOR_SIZE;
|
|
ecc_offset = oob_size -
|
|
pmecc_get_ecc_bytes(ecc_bits, sector_size) * sector_per_page;
|
|
|
|
printf("usePmecc=%d,", use_pmecc);
|
|
printf("sectorPerPage=%d,", sector_per_page);
|
|
printf("sectorSize=%d,", sector_size);
|
|
printf("spareSize=%d,", oob_size);
|
|
printf("eccBits=%d,", ecc_bits);
|
|
printf("eccOffset=%d", ecc_offset);
|
|
printf("\n");
|
|
|
|
exit(EXIT_SUCCESS);
|
|
}
|