[U-Boot] Help about a simplified bootloader.

os user gnusercn at gmail.com
Tue Apr 7 07:31:11 CEST 2009


Sure, the Code will be GPL based.

On Sat, Apr 4, 2009 at 1:51 AM, Wolfgang Denk <wd at denx.de> wrote:
> Dear os user,
>
> In message <34f262ce0904022344u6e27ad07g8263785dd36acb58 at mail.gmail.com> you wrote:
>>
>> I want to boot linux by a simplified bootloader. I use Atmel's ARM
>> chip (AT91SAM9RL64EK board). Now, I can boot linux with my small
>> program. The small program will parse the image generaed by "mkimage"
> ...
>> and sometimes the sytem even crashed when R/W filesystem.
>>
>> But with the same linux kernel and rootfile system, if I use U-Boot to
>> boot linux, everything seems OK.
>>
>> Can anyone tell is there any trick that's related with linux NAND
>> driver in U-Boot? Or any suggestion to help me moving on?
>
> Well, you already mentioned the solution: either use U-Boot, which
> seems to be working fine, or fix your own program such that it
> performs the same intializations like U-Boot.
>
> Be careful when copying code from U-Boot - U-Boot is under GPL, and
> you may quickly find that you have to release your program under GPL,
> too.
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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