On Sat, Aug 18, 2018 at 8:31 AM, Alessio Ciregia <alciregi@gmail.com> wrote:
> On Fri, Aug 17, 2018 at 7:54 PM Peter Robinson <pbrobinson@gmail.com> wrote:
>> > - The loaded dtb (on a Raspberry Pi 3) is bcm2837-rpi-3-b.dtb: who
>> > tell the system to load such dtb?
>>
>> U-Boot currently tells it to load.
>
> Ok. And, I don't know if the answer is simple, but how U-Boot knows
> which dtb it should load?
If it's loading the kernel provided DT that is determined by the
machine identifier in the HW and a static mapping. If using the
config.txt method U-Boot doesn't need to care because the firmware
provides the DT to U-Boot
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