Re: Problems of kernel of Loongson 3

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Hi,

Latest PMON for A1004 (Laptop): http://dev.lemote.com/files/upload/lm/kernel/testing/pmon-A1004-2.1.4.bin
Latest PMON for A1001 (6100 ITX): http://dev.lemote.com/files/upload/lm/kernel/testing/pmon-A1101-4.0.1.bin

Huacai
 
 
------------------ Original ------------------
From:  "YunQiang Su"<wzssyqa@xxxxxxxxx>;
Date:  Sat, Nov 8, 2014 01:34 AM
To:  "陈华才"<chenhc@xxxxxxxxxx>; 
Cc:  "linux-mips"<linux-mips@xxxxxxxxxxxxxx>; "Aurelien Jarno"<aurelien@xxxxxxxxxxx>; 
Subject:  Re: Problems of kernel of Loongson 3

 
On Wed, Nov 5, 2014 at 9:49 AM, 陈华才 <chenhc@xxxxxxxxxx> wrote:
> Only radeon cards support now.
>
>
> ------------------ Original ------------------
> From:  "YunQiang Su"<wzssyqa@xxxxxxxxx>;
> Date:  Tue, Nov 4, 2014 10:53 PM
> To:  "陈华才"<chenhc@xxxxxxxxxx>;
> Cc:  "linux-mips"<linux-mips@xxxxxxxxxxxxxx>; "Aurelien Jarno"<aurelien@xxxxxxxxxxx>;
> Subject:  Re: Problems of kernel of Loongson 3
>
>
> On Tue, Nov 4, 2014 at 10:48 PM, 陈华才 <chenhc@xxxxxxxxxx> wrote:
>> Hi,
>>
>> 1, mainstream kernel has only basic Loongson-3 support, not full-functional, something has missing.
>> 2, Unfortunately, no VESA driver on Loongson...
>

Do you have a pmon update for Lemote's machine to work with the new kernel?

> AHhhhh, then what to do if to work with other graphic cards?
>
>>
>> Huacai
>>
>> ------------------ Original ------------------
>> From:  "YunQiang Su"<wzssyqa@xxxxxxxxx>;
>> Date:  Tue, Nov 4, 2014 10:36 PM
>> To:  "陈华才"<chenhc@xxxxxxxxxx>;
>> Cc:  "linux-mips"<linux-mips@xxxxxxxxxxxxxx>; "Aurelien Jarno"<aurelien@xxxxxxxxxxx>;
>> Subject:  Re: Problems of kernel of Loongson 3
>>
>>
>> On Tue, Nov 4, 2014 at 10:24 PM, 陈华才 <chenhc@xxxxxxxxxx> wrote:
>>> Hi,
>>>
>>> 1, You can try 3.16 from master branch here:
>>> http://dev.lemote.com/cgit/linux-official.git/
>>
>> OK, I will try it. Even though, we still need a patch to make it can
>> use on Lemote machiens.
>>
>>>
>>> 2, Since 3.14, radeon cannot support non-firmware display. This is confirmed by drm maintainers.
>>
>> How can x86 machines display something when firmwares are missing?
>> Use something like vesa when firmwares are lost?
>>
>>>
>>> Huacai
>>>
>>> ------------------ Original ------------------
>>> From:  "YunQiang Su"<wzssyqa@xxxxxxxxx>;
>>> Date:  Tue, Nov 4, 2014 09:40 PM
>>> To:  "陈华才"<chenhc@xxxxxxxxxx>;
>>> Cc:  "linux-mips"<linux-mips@xxxxxxxxxxxxxx>; "Aurelien Jarno"<aurelien@xxxxxxxxxxx>;
>>> Subject:  Problems of kernel of Loongson 3
>>>
>>>
>>> I have tested the kernel 3.16, and 3.17 of Debian on loongson 3.
>>> I met 2 major problems:
>>>
>>> 1. On the Lemote 6100 and Yeeloong 8133, load command hangs
>>>
>>>  PMON> load (wd0,0)/vmlinux-3.16-3-loongson-3
>>>  Loading file: (wd0,0)/vmlinux-3.16-3-loongson-3
>>>  (elf64)
>>>  0x80200000/9171584 + 0x80abf280/34201152(z)
>>>
>>>  It also hangs on the dev board from Lemote.
>>>  While it can boot on dev boards from Loongson.
>>>
>>>  3.15 kernel works fine on both boards.
>>>
>>> 2. If without radeon non-free firmware in initrd/vmlinux,
>>>  the screen can display nothing.
>>>  It makes us difficult to patch debian-install to support Loongson 3.
>>>  A automatic fallback may be needed when nonfree firmware is not available.
>>>
>>> --
>>> YunQiang Su
>>
>>
>>
>> --
>> YunQiang Su
>
>
>
> --
> YunQiang Su



-- 
YunQiang Su





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