at91: Introduction of at91sam9g45 SOC.

[karo-tx-uboot.git] / doc / README.at91

diff --git a/doc/README.at91 b/doc/README.at91
index 4a2c56bd9ed0276aa01fcd52ff1fb0c27eb5099a..269d0729a0e6f0522cec7e62f69778cac23a96f6 100644 (file)
--- a/doc/README.at91
+++ b/doc/README.at91
@@ -74,6 +74,26 @@ Environment variables
                make at91sam9263ek_norflash_boot_config - boot from nor falsh
 
 
+------------------------------------------------------------------------------
+AT91SAM9M10G45EK
+------------------------------------------------------------------------------
+
+Memory map
+       0x20000000 - 23FFFFFF   SDRAM (64 MB)
+       0xC0000000 - Cxxxxxxx   Atmel Dataflash card (J12)
+
+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 at91sam9m10g45ek) :
+               make at91sam9m10g45ek_config                    - use data flash (spi cs0) (default)
+               make at91sam9m10g45ek_nandflash_config          - use nand flash
+               make at91sam9m10g45ek_dataflash_cs0_config      - use data flash (spi cs0)
+
+
 ------------------------------------------------------------------------------
 AT91SAM9RLEK
 ------------------------------------------------------------------------------