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It's not clear whether this applies to FreeBSD:-This section contains documentation with technical information about the Raspberry Pi hardware, including official add-ons and the Pi itself.www.raspberrypi.org
Does that mean I need to set the config option in config.txt on the FAT partition? Any specific keywords?To enable the USB boot bit, the Raspberry Pi 3 needs to be booted from an SD card with a config option to enable USB boot mode.
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When I run
dmesg | grep 'bcm283'I get:-
It sounds to me like the GPIO boot mode OTP bits cannot be programmed on my model, but I should be able to boot using USB device boot mode, if I can figure how to set it, although it looks like I have an RPi model 3B v1.2 so it may well not boot from USB no matter what I do.bcm283x_dwcotg0: <DWC OTG 2.0 integrated USB controller (bcm283x)> mem 0x7e980000-0x7e98ffff,0x7e006000-0x7e006fff irq 46,47 on simplebus0
usbus0 on bcm283x_dwcotg0
bcm2835_cpufreq0: <CPU Frequency Control> on cpu0
bcm2835_cpufreq0: ARM 600MHz, Core 250MHz, SDRAM 400MHz, Turbo OFF
$ vcgencmd otp_dump | grep 17: 17:3020000a
echo program_usb_boot_mode=1 | sudo tee -a /boot/config.txt.