Re: Installing NetBSD on Jetson Nano

[Dan MacDonald <allcoms%gmail.com@localhost>]

So it seems I'll have to install the small u-boot binary from the
netbsd u-boot tarball using the flash.sh script from L4T in order to
change u-boot vars, something like this:

https://forums.developer.nvidia.com/t/how-to-update-u-boot/199678/5

On Wed, Jan 26, 2022 at 10:39 AM Jason Mitchell <jmitchel%bigjar.com@localhost> wrote:
>
> It's not NetBSD that won't let you interrupt U-Boot. It's either a serial console problem or the nVidia supplied U-Boot is configured to ignore key strokes. NetBSD isn't active until you see the EFI boot prompt.
>
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> On Jan 26, 2022, at 4:55 AM, Dan MacDonald <allcoms%gmail.com@localhost> wrote:
>>
>> Update uboot env? How do I do that when booting NetBSD as is doesn't
>> let me interrupt the boot process? I've tried hitting keys on a USB
>> keyboard attached to my nano and the keyboard attached via serial
>> console and I can't get it to stop at u-boot.
>>
>> There is a file called cmdline.txt on the boot partition which contains:
>>
>> root=NAME=netbsd-root console=fb
>>
>> but thats not what you mean is it?
>>
>> On Wed, Jan 26, 2022 at 6:42 AM Nick Hudson <nick.hudson%gmx.co.uk@localhost> wrote:
>>>
>>>
>>>
>>>
>>>  On 26/01/2022 06:33, Nick Hudson wrote:
>>>>
>>>>  On 25/01/2022 09:04, Dan MacDonald wrote:
>>>>>
>>>>>  It seems those u-boot files may not be needed after all.
>>>>>
>>>>>  I tried booting the latest current arm64.img without burning any
>>>>>  u-boot to the sd card but this time with a serial cable attached
>>>>>  and I realised that it does start to boot, it just doesn't bring up
>>>>>  HDMI so I wasn't seeing the boot messages.
>>>>>
>>>>>  I don't get as far as the login prompt tho. I get a kernel panic when
>>>>>  its initiating the PCI it seems:
>>>>>
>>>>>  https://controlc.com/35294c1c
>>>>
>>>>
>>>  [more snip]
>>>
>>>>
>>>>  Try
>>>>
>>>>       pci enum
>>>>
>>>>  from the uboot prompt before it loads / runs  efi/boot/bootaa64.efi
>>>
>>>
>>>  I've updated the uboot env for both the t[kx]1s I have with something
>>>  similar to this
>>>
>>>       bootcmd=pci enum; run distro_bootcmd
>>>
>>>  This is taken from the tx1
>>>
>>>  NIck
>>
>>