[U-Boot] POST - Hardware Diagnose Commands methodologies

Hi, I would like to know if there's any methodology or requirement documentation available for the POST Hardware Diagnose Commands from U-Boot, for microprocessor MPC8378? Thanks, Ferdinand Vega Systems Engineer II (ESEA MESA) Honeywell Aerospace San Antonio Industrial Park Road #1

[U-Boot] SPR, USB and SPI tests question

Hi, I was reading the README.post to get information about POST tests and notice that the sections 2.2.1.2.Special Purpose Register Tests, 2.2.3.3.USB Test, and 2.2.3.4.SPI Test are TBD. Is there any information ready for this sections or still in development? Thanks, Ferdinand Vega Syst