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Date:	Tue, 20 Mar 2007 17:21:33 +0300
From:	Sergei Shtylyov <sshtylyov@ru.mvista.com>
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To:	Takeyoshi Kikuchi <kikuchi@centurysys.co.jp>
Cc:	Marco Braga <marco.braga@gmail.com>, linux-mips@linux-mips.org
Subject: Re: Au1500 and TI PCI1510 cardbus
References: <d459bb380703190755n3f05b8e1v850bb8347e574d68@mail.gmail.com> <200703200204.l2K24WgH020041@centurysys.co.jp>
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Hello.

Takeyoshi Kikuchi wrote:

>>we need PCI so Au15xx is our only choice. Internal USB 1.1 is working well,
>>but what about adding a PCI to USB controller? Has anyone tried this?

>>Regards,
>>Marco

> Our Au1500 board works fine with Ricoh CardBus Bridge and NEC USB 
> controller.
> However, the board does not work stably with TI PCI1520 controller.

> ~# lspci 
> 00:0a.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev 82)
> 00:0a.1 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev 82)
> 00:0b.0 RAID bus controller: Triones Technologies, Inc. HPT371/371N (rev 02)
> 05:00.0 USB Controller: NEC Corporation USB (rev 43)
> 05:00.1 USB Controller: NEC Corporation USB (rev 43)
> 05:00.2 USB Controller: NEC Corporation USB 2.0 (rev 04)

    What I don't understand is why use USB card on CardBus, if the Au1500 
datasheet clearly tells us (well, at least me :-) that this is *not* going to 
work?

WBR, Sergei