Re: [PATCH v8 0/3] add the GPMI controller driver for IMX23/IMX28

Lothar Waßmann
2011-07-29T07:49:41Z

Hi,

Koen Beel writes:
> Hi,
>
> On Fri, Jul 29, 2011 at 9:20 AM, Lothar Waßmann <LW@karo-electronics.de> wrote:
> > Hi,
> >
> > Koen Beel writes:
> >> Hi,
> >>
> >> I have test on mx23evk board. Still see the same issues.
> >>
> >> On Wed, Jul 27, 2011 at 3:53 AM, Huang Shijie <b32955@freescale.com> wrote:
> >> > Hi,
> >> >
> >> > Thanks for your test.
> >> >
> >> >> Hi,
> >> >>
> >> >> It's not really working for me.
> >> >> I've applied all gpmi-nand driver patches and the dma driver patches.
> >> >>
> >> >> I have added following kernel parameters:
> >> >> mtdparts=gpmi-nand:20m(boot),-(user) ubi.mtd=1 root=ubi0:rootfs0
> >> >> rootfstype=ubifs gpmi_debug_init
> >> >>
> >> >> During boot I get already get DMA timeout:
> >> >> [    2.560000] [ start_dma_without_bch_irq : 392 ] DMA timeout, last DMA
> >> >> :1
> >> >> [    3.560000] [ start_dma_with_bch_irq : 427 ] bch timeout!!!
> >> >> ...
> >> >> (see log file in attach line 89)
> >>
> >> I still see this DMA timeout when booting.
> >> What kernel parameters do you use? I still use same as above.
> >>
> > Do you have an SD card in the system? I'm getting the same error when
> > accessing an SD card. Without SD card I can use the flash without any
> > errors.
>
> No SD card in the system. At least not on my mx23evk board.
> My real target hardware has a SDIO wifi chip.
>
> Are you also testing on the mx23evk board? Really strange it is not
> reproducible here then.
>
No, I'm working on a TX28.

Lothar Waßmann
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