Re: Porting Au1x000 USB host controller on u-boot

[Sergei Shtylyov <sshtylyov@ru.mvista.com>]

Hello,

Sergei Shtylyov wrote:

> > I'm trying to implement support for USB host into u-boot. I
> > initialized the USB controller just as linux does, the EDs and the TDs
> > look like good in memory but the controller seems not well reading
> > them and on the bus I see random USB messages...
> > I think that there could be some problem on memory coherency... some
> > suggestion?
>    Be sure to set Config0.OD (bit 19), it's proven to fix the 
> USB-related lockups on Au1500 at least. See arch/mips/common/cputable.c 
   arch/mips/au1000/common/cputable.c, I mean... :-)

WBR, Sergei