The above U-Boot log is an example log; the actual U-Boot log may vary slightly depending on the BSP version
available on the board.
NOTE
After U-Boot, if you do not hit any key to stop autoboot, the board automatically boots to Linux prompt from SD card.
QorIQ LSDK (NXP Reference Distro) 2.0 TinyDistro /dev/ttyS0
TinyDistro login: root
root@TinyDistro:~#
If you do not install SD card on the board, the board automatically boots to Linux prompt from the eMMC card
available on the board.
NOTE
For steps to download and assemble updated BSP composite firmware image and deploy Ubuntu distribution on
the LS1028ARDB, see "
LS1028A BSP user guide
" section in LS1028A BSP documentation.
NOTE
11 Troubleshooting
This section explains the basic troubleshooting tips for the LS1028ARDB.
U-boot log does not appear
Perform the following steps in case console does not show any print:
• Ensure that the board is configured for the default switch settings. For detail, see
on page 8
• Ensure that the power cord is connected to the power jack.
• Check status LED D27 (SYSTEM READY). It should be ON.
• Ensure that the cables making console connection are properly connected as mentioned in
on page
15.
• Ensure that Tera Term has communication settings as mentioned in
on page 15.
• Press the reset button. The U-Boot log should be available on the console.
• If U-Boot log still does not appear on console, the BSP image may be corrupt. Try to flash the BSP firmware images and U-
Boot again.
12 Revision history
The table below summarizes the revisions to this document.
Table 15. Revision history
Revision
Date
Topic cross-reference
Change description
Rev. 0
02/2019
-
Initial public release
NXP Semiconductors
Troubleshooting
QorIQ LS1028A Reference Design Board Getting Started Guide, Rev. 0, 2/2019
User's Guide
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