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ARM: at91: add at91sam9x5 and sama5d3x information

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This patch add following EK information
  - at91sam9n12ek, at91sam9x5ek
  - sama5d3xek

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
This commit is contained in:
Bo Shen 2013-05-12 23:28:39 +00:00 committed by Andreas Bießmann
parent c9b23f8003
commit e9350d65a1
1 changed files with 42 additions and 0 deletions
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doc/README.at91
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@ -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,