Artesyn ATCA-F120 Installation and Use (August 2014) - Manual (Page 97)

U-Boot Firmware
ATCA-F120 Installation and Use (6806800D06J) 97
5.8 Power-On Self Test
When the ATCA-F120 is booted, U-boot executes a series of Power-On Self test (POST)
routines. They check the functionality of different controllers and other on-board resources.
The result of the POST is stored in memory and has the following format.
The results of POST are also stored in the environment variable post_result.
/dev/mtd12 /tftpboot partition - -
Table 5-2 Linux Devices (continued)
Linux Device Name Content Memory Area Hardware Device
Table 5-3 POST Result Format
Offset Description
0x0 Magic word: 0xAA55FCE0
0x04 CRC32 checksum over the POST result string
0x08 POST result string.
This is a zero-terminated string which is based on the
following XML-like syntax:
[[Error_description]*]*
tag
identifies the device that was tested. If no POST error
was detected, then the closing tag follows
immediately after the opening tag.
Error_Description
contains an error description of
the corresponding tag. Note that the tags can be
nested, if for example several subtests are performed in
one device. See the following example.
Address line
>
<
/T>