[OLPC-devel] Re: AMD Geode GX framebuffer: support OLPC

Ronald G Minnich rminnich at lanl.gov
Tue Aug 15 12:54:54 EDT 2006


Jordan Crouse wrote:
> On 15/08/06 10:29 -0600, ollie wrote:
> 
>>On Tue, 2006-08-15 at 10:15 -0600, Ronald G Minnich wrote:
>>
>>>ollie wrote:
>>>
>>>
>>>>I haven't looked at the very early init of Linux kernel for a long
>>>>time. IIRC, we can just boot the vmlinux ELF image with LinuxBIOS/FILO
>>>>The ELF image does not contain the arch/i386/boot stuff at all. Is
>>>>there any reason we have to load something like bzImage?
>>>>
>>>
>>>I think the issue is that VGA parameters have to be set. See below. How 
>>>do we want to do this?
>>>
>>
>>Why do we have to do that? These parameters were never set for any of
>>the previous LinuxBIOS platforms with VGA support. Does the GX2 
>>framebuffer driver require it?
> 
> 
> Absolutely not.  I just want to make sure the code in arch/i386/boot doesn't
> happen to randomly get a bad value and freak out.  If there is no chance
> of a freakout, then we'll pull the NOVGA patch and happily go on our way.

just to be clear, this code gets run ... when? ollie, jordan? only in 
bzimage?

If it runs in bzimage, leave novga patch in until we cut to vmlinux 
instead of bzimage?

ron



More information about the Devel mailing list