I am fairly new at this, so my apologies if this is a trivial question. We
have a copy of beaglebone black on our board. Changes are 1G DDR3 instead
of BBB 512MB and 16GB of eMMC.
First issue was our EEPROM was blank so it would not boot. Learned there is
some pinmuxing that takes place from the information in the EEPROM that was
necesary.
Replacing the blank EEPROM with a BBB EEPROM allows us to boot off the SD
card with following two issues (so far):
1) NAND: There is no NAND device found
2) libphy: PHY 4a101000.mdio:01 not found
net eth0: phy 4a101000.mdio:01 not found on slave 1
When I power up the BBB that we "borrowed" the EEPROM from which has a
blank EEPROM now, I get exactly the same two issues to show up.
So the question is what do we need to program into the EEPROM of our board
to get it to properly boot?
And what is the best way to accomplish this? Does EEPROM have to be
programmed before soldering to the board? or is it possible to halt u-boot
and run some commands from there?
Thank you for your assistance
-Erwin
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