From 89a7a87f084c657f8e32b513a77b50eca07e17ec Mon Sep 17 00:00:00 2001 From: Nicolas Ferre Date: Sat, 6 Dec 2008 13:11:14 +0100 Subject: at91: Choose environment variables location within make config target This patch adds the possiblity to choose the media where the environment will be located. This allow to choose this fundamental configuration without editing config files. Documentation file added. Signed-off-by: Nicolas Ferre Acked-by: Stelian Pop Acked-by: Jean-Christophe PLAGNIOL-VILLARD --- doc/README.at91 | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 doc/README.at91 (limited to 'doc') diff --git a/doc/README.at91 b/doc/README.at91 new file mode 100644 index 0000000..838769a --- /dev/null +++ b/doc/README.at91 @@ -0,0 +1,88 @@ +Atmel AT91 Evaluation kits + +http://atmel.com/dyn/products/tools.asp?family_id=605#1443 + +------------------------------------------------------------------------------ +AT91SAM9260EK +------------------------------------------------------------------------------ + +Memory map + 0x20000000 - 23FFFFFF SDRAM (64 MB) + 0xC0000000 - Cxxxxxxx Atmel Dataflash card (J13) + 0xD0000000 - Dxxxxxxx Soldered Atmel Dataflash + +Environment variables + + U-Boot environment variables can be stored at different places: + - Dataflash on SPI chip select 1 (default) + - Dataflash on SPI chip select 0 (dataflash card) + - Nand flash. + + You can choose your storage location at config step (here for at91sam9260ek) : + make at91sam9260ek_config - use data flash (spi cs1) (default) + make at91sam9260ek_nandflash_config - use nand flash + make at91sam9260ek_dataflash_cs0_config - use data flash (spi cs0) + make at91sam9260ek_dataflash_cs1_config - use data flash (spi cs1) + + +------------------------------------------------------------------------------ +AT91SAM9261EK +------------------------------------------------------------------------------ + +Memory map + 0x20000000 - 23FFFFFF SDRAM (64 MB) + 0xC0000000 - Cxxxxxxx Soldered Atmel Dataflash + 0xD0000000 - Dxxxxxxx Atmel Dataflash card (J22) + +Environment variables + + U-Boot environment variables can be stored at different places: + - Dataflash on SPI chip select 0 (default) + - Dataflash on SPI chip select 3 (dataflash card) + - Nand flash. + + You can choose your storage location at config step (here for at91sam9260ek) : + make at91sam9261ek_config - use data flash (spi cs0) (default) + make at91sam9261ek_nandflash_config - use nand flash + make at91sam9261ek_dataflash_cs0_config - use data flash (spi cs0) + make at91sam9261ek_dataflash_cs3_config - use data flash (spi cs3) + + +------------------------------------------------------------------------------ +AT91SAM9263EK +------------------------------------------------------------------------------ + +Memory map + 0x20000000 - 23FFFFFF SDRAM (64 MB) + 0xC0000000 - Cxxxxxxx Atmel Dataflash card (J9) + +Environment variables + + U-Boot environment variables can be stored at different places: + - Dataflash on SPI chip select 0 (dataflash card) + - Nand flash. + + You can choose your storage location at config step (here for at91sam9260ek) : + make at91sam9263ek_config - use data flash (spi cs0) (default) + make at91sam9263ek_nandflash_config - use nand flash + make at91sam9263ek_dataflash_cs0_config - use data flash (spi cs0) + + +------------------------------------------------------------------------------ +AT91SAM9RLEK +------------------------------------------------------------------------------ + +Memory map + 0x20000000 - 23FFFFFF SDRAM (64 MB) + 0xC0000000 - Cxxxxxxx Soldered Atmel Dataflash + +Environment variables + + U-Boot environment variables can be stored at different places: + - Dataflash on SPI chip select 0 + - Nand flash. + + You can choose your storage location at config step (here for at91sam9260ek) : + make at91sam9263ek_config - use data flash (spi cs0) (default) + make at91sam9263ek_nandflash_config - use nand flash + make at91sam9263ek_dataflash_cs0_config - use data flash (spi cs0) -- cgit v1.1