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Date: Sun, 7 Jul 2024 09:21:19 -0700
From: bob prohaska <fbsd@www.zefox.net>
To: Mark Millard <marklmi@yahoo.com>
Cc: freebsd-arm@freebsd.org
Subject: Re: Boot image for a Pi4 ?
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On Sat, Jul 06, 2024 at 09:38:52PM -0700, Mark Millard wrote:
> 
> The RPi4B Rev 1.5 "C0T" wtih 8 GiBytes also lists 2018.
> 
> Capture the early serial console output from the
> RPi* bootloader and firmware and look for lines
> that contain one of (showing a 8 GiByte Rev 1.5
> example: d03115):
> 
> boardrev d03115
> 0x00d03115
> RPI 4 Model B (0xd03115)
> 
> That last is actually from U-Boot.
> The first was toward the end of the "BOOTMODE:" line.
> The middle was the line after the "Read fixup4.dat bytes" line.
> 
> By contrast a 4GiByte Rev 1.1 has for those lines:
> 
> boardrev c03111
> 0x00c03111
> RPI 4 Model B (0xc03111)

U-boot reports
RPI 4 Model B (0xd03114)
on both machines (8GB). Couldn't find the
other output. Is the COT vs BOT difference
still significant? 

Thanks for writing!

bob prohaska