Hi,
We figured this out, we had enabled the pinmux so we could use UART0,
however this kills the DMA!
Its just as well we no longer wish to use this serial port (never really
got it working) so we just set up the pinmux to exclude it.
Pretty annoying!
Regards,
Andrew
On Wed, 2008-06-11 at 18:26 +0800, gao yuechao wrote:
> Please check your hardware design, especially your pcb layout:
>
> 1. Check whether your PCB layout follows IDE design rules;
> 2. use proper resistors.
>
> Regards
> Gao
> (www.ruiva.com.cn)
>
> 2008/6/11 Andrew Armstrong <[EMAIL PROTECTED]>:
> > I was wondering if any resolution to this problem was ever found? I am
> > seeing exactly the same message. The drive works with PIO, but not with
> > IDE.
> >
> > Regards,
> >
> > Andrew
> >
> >
> > On Fri, 2007-01-05 at 16:02 +0800, gao yuechao wrote:
> >> I encountered the following error when I use hard disk in DMA mode:
> >>
> >> hda: dma_timer_expiry: dma status == 0x20
> >> hda: DMA timeout retry
> >> hda: timeout waiting for DMA
> >> hda: status timeout: status=0xd0 { Busy }
> >> ide: failed opcode was: unknown
> >> hda: drive not ready for command
> >> ide0: reset: success
> >> hda: dma_timer_expiry: dma status == 0x20
> >> hda: DMA timeout retry
> >> hda: timeout waiting for DMA
> >> hda: status timeout: status=0xd0 { Busy }
> >>
> >> ide: failed opcode was: unknown
> >> hda: drive not ready for command
> >> ide0: reset: success
> >>
> >> Satheesh has posted a similiar problem in September. Has anyone
> >> solved this problem?
> >>
> >> Regards
> >> Gao
> >>
> >> _______________________________________________
> >> Davinci-linux-open-source mailing list
> >> [email protected]
> >> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
> >>
> >
> >
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