doc: imx: psb: Add documentation for MX8MM behavior with Fast Boot fuse blown

On iMX8MM with Fast Boot fuse blown, the SIT and A-copy image are
placed at different offset than on iMX8MM with Fast Boot fuse NOT
blown. List both options and both offsets to avoid confusion.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Ye Li <ye.li@nxp.com>
Cc: uboot-imx <uboot-imx@nxp.com>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
This commit is contained in:
Marek Vasut 2021-08-10 21:12:50 +02:00 committed by Stefano Babic
parent d0223ff169
commit e03aa34bdf

View file

@ -75,13 +75,15 @@ offset 0x1 means 512 Bytes from the start of SD/eMMC card data partition).
For details on the addition of two numbers in recommended B-copy offset, see
SIT format below.
+----------+--------------------+-----------------------+-----------------------------+
| SoC | SIT offset (fixed) | A-copy offset (fixed) | B-copy offset (recommended) |
+----------+--------------------+-----------------------+-----------------------------+
| iMX7D | 0x1 | 0x2 | 0x800+0x2 |
+----------+--------------------+-----------------------+-----------------------------+
| iMX8MM | 0x41 | 0x42 | 0x1000+0x42 |
+----------+--------------------+-----------------------+-----------------------------+
+----------+-----------------------------+--------------------+-----------------------+-----------------------------+
| SoC | Boot Device Type | SIT offset (fixed) | A-copy offset (fixed) | B-copy offset (recommended) |
+----------+-----------------------------+--------------------+-----------------------+-----------------------------+
| iMX7D | | 0x1 | 0x2 | 0x800+0x2 |
+----------+-----------------------------+--------------------+-----------------------+-----------------------------+
| iMX8MM | SD/eSD/MMC/eMMC normal boot | 0x41 | 0x42 | 0x1000+0x42 |
+----------+-----------------------------+--------------------+-----------------------+-----------------------------+
| iMX8MM | eMMC Fast boot fuse blown | 0x1 | 0x2 | 0x1000+0x2 |
+----------+-----------------------------+--------------------+-----------------------+-----------------------------+
SIT format
~~~~~~~~~~