[U-Boot-Users] 85xx SPD LAW setup issue?

[John Traill]

Jon Loeliger wrote:
> On Wed, 2006-11-08 at 11:16, Kumar Gala wrote:
>> On Nov 8, 2006, at 4:45 AM, Sam Song wrote:
>>
>>> Hi,
>>>
>>> I found that there is a possible LAW conflict
>>> between SPD and 85xx default settings.
>>>
>>> LAWBAR0 is used for DDR whereas LAWBAR1 for
>>> PCI1. But SPD initializes DDR LAW as LAWBAR1.
>>>
>>> I think it could be a setup mess, right?
>> Agreed, however I do remember something about wanting to keep LAWBAR0  
>> free always to allow an external agent to do things.  Maybe Jon  
>> remembers more about that than I do.
>>
>> - k
> 
> 
> Hmmm... I'm going to have to plead "getting old" ... :-)
> I don't recall anything special here...
> 
> It could be pure confusion, it could be with
> some hidden purpose.  I just don't recall off hand.
> I seem to recall that there was a 0-based or
> a 1-based numbering issue too.  I'd have to dig.
> 
> jdl
> 
> 
> 
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Jon, Kumar,

The original intent was to keep LAWBAR0 free to allow external agents to 
initialise a different Boot Rom Interface.

John