Quote:
Originally Posted by trcm
The iMX are capable of muxing almost all their BGA pads for the functions available, so USB pads or UARTs can be in surprising places. One must examine the device tree blobs which define what appears where. They’re probably stored in their own partition somewhere.
Took me forever to find the correct UART (1 of 4!) for the board I was playing with ( www.axiom-partners.com/ilx702d) |
And the device tree source should be included with the Linux kernel's source in each model/firmware combination that Amazon releases. **
Ref:
https://www.amazon.com/gp/help/customer/display.html/ref=help_search_1-1?ie=UTF8&nodeId=200203720&qid=1581121656&sr=1-1
Note:
There are update*.bin files for each of those model/version number combinations still on the Amazon server.
See:
Frequently Asked Questions (here, this forum)
** There have been various exceptions to that "rule", but what else are rules for?