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| -rw-r--r-- | doc/README.at91 | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/doc/README.at91 b/doc/README.at91 index b3d110b38..5cf977095 100644 --- a/doc/README.at91 +++ b/doc/README.at91 @@ -102,6 +102,48 @@ Environment variables You can choose your storage location at config step (here for at91sam9rlek) : make at91sam9rlek_nandflash_config - use nand flash + +------------------------------------------------------------------------------ +AT91SAM9N12EK, AT91SAM9X5EK +------------------------------------------------------------------------------ + +Memory map + 0x20000000 - 27FFFFFF SDRAM (128 MB) + +Environment variables + + U-Boot environment variables can be stored at different places: + - Nand flash. + - SD/MMC card + - Serialflash/Dataflash on SPI chip select 0 + + You can choose your storage location at config step (here for at91sam9x5ek) : + make at91sam9x5ek_dataflash_config - use data flash + make at91sam9x5ek_mmc_config - use sd/mmc card + make at91sam9x5ek_nandflash_config - use nand flash + make at91sam9x5ek_spiflash_config - use serial flash + + +------------------------------------------------------------------------------ +SAMA5D3XEK +------------------------------------------------------------------------------ + +Memory map + 0x20000000 - 3FFFFFFF SDRAM (512 MB) + +Environment variables + + U-Boot environment variables can be stored at different places: + - Nand flash. + - SD/MMC card + - Serialflash on SPI chip select 0 + + You can choose your storage location at config step (here for sama5d3xek) : + make sama5d3xek_mmc_config - use SD/MMC card + make sama5d3xek_nandflash_config - use nand flash + make sama5d3xek_serialflash_config - use serial flash + + II. Watchdog support For security reasons, the at91 watchdog is running at boot time and, |