ARM: at91: add at91sam9x5 and sama5d3x information

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>

diff --git a/doc/README.at91 b/doc/README.at91
index b3d110b38d49676b1b45e61fc0ca1db8acfd8eb5..5cf977095eeef20c847117a323ff902576015b84 100644 (file)
--- 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,