Re: PCI SATA controllers on embedded, no-BIOS targets

[Tejun Heo <htejun@gmail.com>]

Tejun Heo wrote:
> Kevin Hilman wrote:
>> Tejun Heo wrote:
>>> Kevin Hilman wrote:
>>>> I have a Silicon Images 3112 PCI card on an XScale IXP425 platform.  
>>>> The card works well in a PC, but I haven't got it to work in on the 
>>>> ARM platform.  On the PC, I see the cards BIOS executed and am 
>>>> guessing that since this can't happen on the ARM, that's why things 
>>>> aren't working.
>>>>
>>>> The card is at least detected on the ARM, and the driver tries to 
>>>> probe for devices, but times out an moves on.
>>>>
>>>> Before I debug this too deeply, I want to make sure this should work 
>>>> on embedded boards, even without the BIOS execution.
>>>
>>> sil3112 works fine w/o any BIOS initialization.
>>>
>>
>> I'm curious what platforms this has been tested.  Any non-x86 
>> platforms?  Any big endian platforms?
>>
>> Thanks for the quick response.
> 
> I've personally seen it working on XScale and ATI's mips.

For the record, for ATI's new mips platform, sata_sil needs some 
modifications.  Their PCI bridge can't handle byte-aligned mmio and the 
driver had to be modified to use IO address space.

-- 
tejun