u-boot/doc/README.at91
Nicolas Ferre 89a7a87f08 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 <nicolas.ferre@atmel.com>
Acked-by: Stelian Pop <stelian@popies.net>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2008-12-06 13:11:14 +01:00

88 lines
3.1 KiB
Text

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)