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 --- doc/README.at91 | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/doc/README.at91 b/doc/README.at91 index 5cf9770..6741213 100644 --- 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.