X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=doc%2FREADME.atmel_pmecc;h=c86d085779458f8fb179920496829ab0c22e461f;hb=a1b633df55d5207b49ce145ede783d671385854c;hp=cc0f73db8f1c70dbca708b5529ed5fee35e8a87e;hpb=90b51c33f362926e17d4c07dcef1ce822abaa89f;p=oweals%2Fu-boot.git diff --git a/doc/README.atmel_pmecc b/doc/README.atmel_pmecc index cc0f73db8f..c86d085779 100644 --- a/doc/README.atmel_pmecc +++ b/doc/README.atmel_pmecc @@ -20,17 +20,16 @@ To use PMECC in this driver, the user needs to set: 2. The PMECC sector size: CONFIG_PMECC_SECTOR_SIZE. It only can be 512 or 1024. -Take AT91SAM9X5EK as an example, the board definition file likes: +Take 'configs/at91sam9x5ek_nandflash_defconfig' as an example, the board +configuration file has the following entries: -/* PMECC & PMERRLOC */ -#define CONFIG_ATMEL_NAND_HWECC 1 -#define CONFIG_ATMEL_NAND_HW_PMECC 1 -#define CONFIG_PMECC_CAP 2 -#define CONFIG_PMECC_SECTOR_SIZE 512 + CONFIG_PMECC_CAP=2 + CONFIG_PMECC_SECTOR_SIZE=512 + CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER=y How to enable PMECC header for direct programmable boot.bin ----------------------------------------------------------- -2014-05-19 Andreas Bießmann +2014-05-19 Andreas Bießmann The usual way to program SPL into NAND flash is to use the SAM-BA Atmel tool. This however is often not usable when doing field updates. To be able to @@ -40,7 +39,7 @@ sama5d3 SoC spec (as of 03. April 2014) defines how this PMECC header has to look like. In order to do so we have a new image type added to mkimage to generate this PMECC header and integrated this into the build process of SPL. -To enable the generation of atmel PMECC header for SPL one need to define +To enable the generation of atmel PMECC header for SPL one needs to define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER. The required parameters are taken from board configuration and compiled into the host tools atmel_pmecc_params. This tool will be called in build process to parametrize mkimage for atmelimage