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Re: [Gnewsense-dev] [Dev] Loongson 3A hardware
From: |
Michał Masłowski |
Subject: |
Re: [Gnewsense-dev] [Dev] Loongson 3A hardware |
Date: |
Fri, 09 Nov 2012 22:55:09 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.2 (gnu/linux) |
>> - there is no English documentation for the CPU, none of our developers
>> know Chinese
>>
> See [1] where one can find some eventually usefull infos about the cpu
> (the actual one is named "3A" and should be followed by an upgrade named
> "3B".
I trust you that it would be useful for a developer who knows the
language it is written in.
> As for the machines using this 3A cpu, I am aware of:
> - a laptop [2] AKA "Librenote", according to [3],
> - a desktop [4], and
> - a server [5].
These might answer the "should we buy it?" question, the CPU
documentation is useful later. Although I haven't seen e.g. a specific
chipset vendor name for the wifi card.
> Another potentially interesting reference seems to be in [6].
> Unfortunately, the decompressing of the "linux-3A-notebook.tgz" archive
> ends with an "gzip: stdin: unexpectec end of file" message.
Very slow download; might be interesting.
> See [7] where one file is related to the radeonhd gpu. According to the
> COPYING file inside the archive, this is under the xorg license from
> freedesktop.org)
The microcode is included with the kernel (and linux-firmware). All
code run on the main CPU since the kernel starts is free, I don't know
how PMON initializes the display.
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