From: Christine Lemmer-Webber <cwebber@dustycloud.org>
Cc: help-guix@gnu.org
Subject: Re: Guix on the MNT Reform
Date: Wed, 08 Sep 2021 14:08:41 -0400 [thread overview]
Message-ID: <87czpj9bvw.fsf@dustycloud.org> (raw)
In-Reply-To: <87wnnr9wfp.fsf@dustycloud.org>
Christine Lemmer-Webber <cwebber@dustycloud.org> writes:
> Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org> writes:
>
>> Christine Lemmer-Webber <cwebber@dustycloud.org> wrote:
>>
>>> I had thought looking at the manual of the MNT Reform that only the
>>> HDMI port required a blob. This will be disappoiting if we can't get
>>> the Reform into Guix proper soon. There are of course channels, and
>>> maybe the work here might have to move to one of those locations
>>> rather than getting committed to the main guix repo, but I hope not.
>>
>> In their "Re-Introducing Reform" blog post[3], MNT Research states the
>> following:
>>
>>> Unfortunately, during the boot process, i.MX8M requires a
>>> closed-source firmware for an embedded ARCompact processor in the
>>> Synopsys DDR4 PHY. This firmware, which is only a few kilobytes in
>>> size, is responsible for regulating the physical connection to the
>>> DDR chips in the face of changing temperatures. We are in contact
>>> with reverse engineers with the goal of analyzing what the
>>> capabilities of this so called PHY Utility Block (PUB) are, and to
>>> find out if we have a chance to replace this firmware at some point
>>> in the future.
>
> So, that is disappointing, but also a space for optimism I guess? I
> would be curious to know more about this reverse engineering effort.
>
>> So it would also be a good idea to remind them about that and
>> potentially look for other declarations from MNT Research about the
>> DDR4 firmware.
>
> Yeah.
I talked with them a bit today btw. There hasn't been progress, and the
conversation might have reignited some interest, but it was made clear
that this was not a current focus at the moment.
next prev parent reply other threads:[~2021-09-08 18:10 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-08 15:06 Guix on the MNT Reform Christopher Lemmer Webber
2020-05-08 18:19 ` Simon Josefsson
2020-05-09 13:03 ` Christopher Lemmer Webber
2020-05-08 18:30 ` Ekaitz Zarraga
2020-05-08 18:52 ` Vagrant Cascadian
2020-05-08 19:16 ` Leo Famulari
2020-05-08 20:44 ` John Soo
2020-09-02 22:22 ` Andreas Enge
2020-09-13 14:10 ` Andreas Enge
2020-09-15 3:23 ` Fredrik Salomonsson
2021-08-17 17:24 ` Christine Lemmer-Webber
2021-08-17 23:49 ` Fredrik Salomonsson
2021-09-05 1:31 ` Christine Lemmer-Webber
2021-09-06 17:07 ` Christine Lemmer-Webber
2021-09-06 19:37 ` Fredrik Salomonsson
2021-09-06 20:50 ` Christine Lemmer-Webber
2021-09-06 23:59 ` Fredrik Salomonsson
2021-09-07 1:13 ` Fredrik Salomonsson
2021-09-07 4:36 ` Denis 'GNUtoo' Carikli
2021-09-07 18:18 ` Christine Lemmer-Webber
2021-09-07 20:07 ` Denis 'GNUtoo' Carikli
2021-09-08 10:32 ` Christine Lemmer-Webber
2021-09-08 16:47 ` Vagrant Cascadian
2021-09-08 18:10 ` Christine Lemmer-Webber
2021-09-09 14:10 ` Denis 'GNUtoo' Carikli
2021-09-08 18:08 ` Christine Lemmer-Webber [this message]
2021-08-18 0:36 ` Jonathan McHugh
2021-08-29 19:10 ` Joshua Branson
2021-08-29 21:38 ` Jonathan McHugh
2021-08-29 23:27 ` Joshua Branson
2021-08-30 9:02 ` Jonathan McHugh
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