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authorBo Shen <voice.shen@atmel.com>2013-05-12 23:28:39 +0000
committerAndreas Bießmann <andreas.devel@googlemail.com>2013-05-21 11:54:20 +0200
commite9350d65a1386f7bd1fca10a1005ba77afd83fe5 (patch)
tree12b62d494019a2c5c19150df491753c287789d44
parentc9b23f80039d378df94f1f64d8c4860260877783 (diff)
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>
-rw-r--r--doc/README.at9142
1 files changed, 42 insertions, 0 deletions
diff --git a/doc/README.at91 b/doc/README.at91
index b3d110b38d..5cf977095e 100644
--- 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,