From: Mack Wallace <mackbw@mapinternet.com>
To: 9front@9front.org
Subject: Re: [9front] 9front on Raspberry Pi 400
Date: Sat, 30 Jan 2021 19:23:33 +0000 [thread overview]
Message-ID: <0100017754c0217e-cda15a92-9975-43d5-ab8d-17217ae0d29d-000000@email.amazonses.com> (raw)
In-Reply-To: <745B36637AFFB49CDF95B03D2859A0B7@felloff.net>
No luck with that kernel - never made it to the console screen. The Pi 400 displays a color map on startup, and it got stuck there.
Mack
> On Jan 30, 2021, at 12:54 AM, cinap_lenrek@felloff.net wrote:
>
>> I wonder whether the Adafruit USB to TTL serial adapter can be seen by 9.
>
> if not, it should be quite easy to add support. the problem with the rasperry
> pi uart is that it uses 3.3V, so is not really TTL. you have to be carefull.
>
> for the previous test, i think i made a mistake in the device tree parsing.
>
> i took the parent bus address instead of the child bus address
> in the dma-ranges case.
>
> that might be the reason why *pcidmawin had a zero offset in your case.
>
> the offset should appear in the child bus address field and *pcidmawin should
> actually be the difference between them for the translation.
>
> i didnt notice in my case as with the pi4 8GB, there is no translation and
> both fields addresses are zero.
>
> http://felloff.net/usr/cinap_lenrek/9pi4-pciwin2
> http://felloff.net/usr/cinap_lenrek/s9pi4-pciwin2
>
> 12f215453abe5bf601cb49861f33b187bfbe8898 9pi4
> 0c405178ce7d4cc667d5a12176749682ff5a24cb s9pi4
>
> never give up!
>
> --
> cinap
>
next prev parent reply other threads:[~2021-01-30 20:05 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-20 17:23 Mack Wallace
2021-01-23 16:11 ` cinap_lenrek
2021-01-23 21:08 ` Mack Wallace
2021-01-23 21:13 ` Mack Wallace
2021-01-23 23:42 ` cinap_lenrek
2021-01-24 15:01 ` cinap_lenrek
2021-01-26 3:33 ` Mack Wallace
2021-01-26 3:35 ` Mack Wallace
2021-01-26 11:21 ` cinap_lenrek
2021-01-26 12:09 ` cinap_lenrek
2021-01-27 2:32 ` Mack Wallace
2021-01-27 14:30 ` cinap_lenrek
2021-01-27 17:04 ` cinap_lenrek
2021-01-27 17:57 ` cinap_lenrek
2021-01-29 14:58 ` cinap_lenrek
2021-01-30 2:43 ` Mack Wallace
2021-01-30 5:54 ` cinap_lenrek
2021-01-30 19:23 ` Mack Wallace [this message]
2021-01-30 19:41 ` cinap_lenrek
2021-01-30 19:46 ` cinap_lenrek
2021-02-01 1:16 ` Mack Wallace
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