diff options
author | Andreas Bießmann <andreas.devel@googlemail.com> | 2014-05-19 16:23:40 +0400 |
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committer | Andreas Bießmann <andreas.devel@googlemail.com> | 2014-05-27 02:10:49 +0400 |
commit | 5c390a5b26ce53a6534b99c22bb762484e6b3497 (patch) | |
tree | 9d8118c6b98a3a86bead87042681e9ac0fab87f0 /tools | |
parent | 7b1a411743db47648b2955c414a71836823acfd9 (diff) | |
download | u-boot-5c390a5b26ce53a6534b99c22bb762484e6b3497.tar.xz |
arm:at91: enable ROM loadable atmel image
For sama5d3xek we need to modify the SPL image for correct detection by ROM
code.
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Tested-by: Bo Shen <voice.shen@atmel.com>
Diffstat (limited to 'tools')
-rw-r--r-- | tools/Makefile | 2 | ||||
-rw-r--r-- | tools/atmel_pmecc_params.c | 51 |
2 files changed, 53 insertions, 0 deletions
diff --git a/tools/Makefile b/tools/Makefile index e6d804596b..761055764b 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -38,6 +38,8 @@ ENVCRC-$(CONFIG_ENV_IS_IN_NVRAM) = y ENVCRC-$(CONFIG_ENV_IS_IN_SPI_FLASH) = y CONFIG_BUILD_ENVCRC ?= $(ENVCRC-y) +hostprogs-$(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER) += atmel_pmecc_params$(SFX) + # TODO: CONFIG_CMD_LICENSE does not work hostprogs-$(CONFIG_CMD_LICENSE) += bin2header$(SFX) hostprogs-$(CONFIG_LCD_LOGO) += bmp_logo$(SFX) diff --git a/tools/atmel_pmecc_params.c b/tools/atmel_pmecc_params.c new file mode 100644 index 0000000000..8eaf27f804 --- /dev/null +++ b/tools/atmel_pmecc_params.c @@ -0,0 +1,51 @@ +/* + * (C) Copyright 2014 Andreas Bießmann <andreas.devel@googlemail.com> + * + * 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); +} |