From e9350d65a1386f7bd1fca10a1005ba77afd83fe5 Mon Sep 17 00:00:00 2001 From: Bo Shen Date: Sun, 12 May 2013 23:28:39 +0000 Subject: ARM: at91: add at91sam9x5 and sama5d3x information MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch add following EK information - at91sam9n12ek, at91sam9x5ek - sama5d3xek Signed-off-by: Bo Shen Signed-off-by: Andreas Bießmann --- doc/README.at91 | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) (limited to 'doc/README.at91') diff --git a/doc/README.at91 b/doc/README.at91 index b3d110b38d..5cf977095e 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, -- cgit v1.2.1