Re: Raspberry Pi POE+ hat overlay

Hello Doug,

I have too a 1.5 rpi but arm_boost=1 isn't doing anything, htop shows
1500Mhz when doing something intensive.
I'm running 13.2 stable

Do I missing something?

Could you take a look at my setup?

Thanks,

Doug Rabson <dfr@rabson.org> escreveu no dia terça, 16/05/2023 à(s) 17:19:

>
> On Sat, 13 May 2023 at 13:45, Doug Rabson <dfr@rabson.org> wrote:
>
>> I was able to build an updated rpi-firmware port based on 1.20210805 and
>> this boots successfully on pi400 as well as rpi4. With this, I can load the
>> rpi-poe-plus overlay and I just need to try and reverse engineer the
>> undocumented mailbox API by reading the Linux code.
>>
>
> I have a first approximation of a fan driver which works with the
> 1.20210805 firmware (actually, I substituted rpi-poe-plus.dtbo from
> 1.20210831 which just changes the fan levels for the POE+). I'm testing
> with an rpi4B rev 1.5 with 'make -j4 buildworld' and the fan is keeping the
> cpu temperature below 65 degrees which is nice, especially since I set
> arm_boost=1 in config.txt which boosts the cpu frequency up to 1800 for
> this board.
>
> Does anyone have a pointer to the problem with firmware later than
> 20210805? Would it make any kind of sense to try to get the fix into
> releng/13.2 as an errata?
>
>

-- 
Nuno Teixeira
FreeBSD Committer (ports)