Re: Problems of kernel of Loongson 3

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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...

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





[Index of Archives]     [Linux MIPS Home]     [LKML Archive]     [Linux ARM Kernel]     [Linux ARM]     [Linux]     [Git]     [Yosemite News]     [Linux SCSI]     [Linux Hams]

  Powered by Linux