Common issues while running UBL
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Q: I am not able to load and execute my UBL from DDR?
If the UBL is compiled to run out of DDR, the UBL will fail unless the DDR is turned on and setup before it is loaded there by the ROM boot loader (like a GEL file would do under CCS).
Q: Why do my UBL fails to perform some SPI operations when I flash it in I2C EEPROM and run the I2C bootmode (Using CCS)?
When the UBL is being run through CCS, some of the low level initializations are done by the GEL file. If these low level initializations are not done in the UBL code, then it may not work standalone.
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