ARM: at91: add NAND partition table and index

Add NAND partition table, EK board support boot up NAND flash using
the same NAND partition table

Add Index in this file

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 5cf977095eeef20c847117a323ff902576015b84..67412136eeba1760b2d117fb1f468eb1a0168d38 100644 (file)
--- a/doc/README.at91
+++ b/doc/README.at91
@@ -1,5 +1,10 @@
 Atmel AT91 Evaluation kits
 
+Index
+  - I. Board mapping & boot media
+  - II. NAND partition table
+  - III. watchdog support
+
 I. Board mapping & boot media
 ------------------------------------------------------------------------------
 AT91SAM9260EK, AT91SAM9G20EK & AT91SAM9XEEK
@@ -144,7 +149,21 @@ Environment variables
                make sama5d3xek_serialflash_config      - use serial flash
 
 
-II. Watchdog support
+II. NAND partition table
+
+       All the board support boot from NAND flash will use the following NAND
+       partition table
+
+               0x00000000 - 0x0003FFFF bootstrap       (256 KiB)
+               0x00040000 - 0x000BFFFF u-boot          (512 KiB)
+               0x000C0000 - 0x000FFFFF env             (256 KiB)
+               0x00100000 - 0x0013FFFF env_redundant   (256 KiB)
+               0x00140000 - 0x0017FFFF spare           (256 KiB)
+               0x00180000 - 0x001FFFFF dtb             (512 KiB)
+               0x00200000 - 0x007FFFFF kernel          (6 MiB)
+               0x00800000 - 0xxxxxxxxx rootfs          (All left)
+
+III. Watchdog support
 
        For security reasons, the at91 watchdog is running at boot time and,
        if deactivated, cannot be used anymore.