On Sun, 07 Jun 2020 09:52:03 +1300,
nospam.mark.lewis@f1.n770.z4350.fidonet.org (mark lewis) declaimed the
following:

>are you (and others) saying that the rPi does not have a CPU (Central
>Processing Unit)? that everything it does is done by the GPU (Graphical
>Processing Unit aka Video Card/Chip)? are terminologies being mised up here?

 The SoC used in the R-Pi uses the GPU to perform initial boot
operations. It uses a Broadcom provided binary. The GPU loads that binary,
and when running, the binary proceeds to load Linux into the RAM allocated
to the ARM CPU, followed by releasing the ARM CPU to run with the loaded
Linux image.

 That Broadcom binary expects to find a device tree blob, and a core OS
image, in the first partition -- which it appears to also expect will be a
FAT file system.


--
 Wulfraed                 Dennis Lee Bieber         AF6VN
 wlfraed@ix.netcom.com    http://wlfraed.microdiversity.freeddns.org/

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