[U-Boot-Users] Help(UHCI in UBoot)

[Wolfgang Denk]

In message <478c2e070603250139r53002d46waf104b59b0edfc0c at mail.gmail.com> you wrote:
>
> > I am trying to bring up USB in UBoot for my custom board.I had taken the
> > source from UBoot.1.1.4 mpl board.My board is having MIPS processor.In mpl
> > , they had implemented interrupt in UBoot for USB but I had implemented
> > polling.Will polling  work for USB in UBoot.

Yes, it will, if done correctly.

But why are you quoting your own text?

> > Now I  am facing a problem that is after  doing control transfer it should
> > wait for the completion,at this time I am polling for the Status Register
> > but the Status Register Interrupt bit is not set that means Host Controller
> > is not generating an interrupt.I had enabled the Interrupt in the
> > Interrupt Enable Register.

Check your code if all necesaary "volatile"s etc. are present.

> Content-Type: text/html; charsetÿO-8859-1
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And NEVER post HTML here!

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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