[coreboot] [PATCH] Thomson IP1000 onboard memory selection

Joseph Smith joe at settoplinux.org
Fri Feb 12 20:14:49 CET 2010


On 02/12/2010 01:50 PM, Peter Stuge wrote:
> Joseph Smith wrote:
>>>>> Is there no way to auto-detect it?
>>>>
>>>> Nope, The onboard memory does not have SPD, hence the spd array.
>>>
>>> First configure 128, then test if 65MB can store data, if not then
>>> fall back to 64.
>>
>> I guess, but that seems like alot of wasted boot time.....
>
> What are the numbers? Ie. how long does it take to do one MC config,
> for 64 or 128?
>
>
Well you would have to go though the whole raminit process to setup 128 
then do a read/write at 65MB, if that fails go through the whole raminit 
process again and setup 64. So basically raminit would take twice as 
long......


-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org




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