[U-Boot] MMC0: DMA transfer failed

[Marek Vasut]

Dear Stefano Babic,

> On 02/04/2012 16:01, Fabio Estevam wrote:
> > Hi,
> > 
> > On a mx28evk board I am getting the following using top of tree U-boot:
> > 
> > U-Boot 2012.04-rc1-00001-g037cbfd (Apr 02 2012 - 10:57:48)
> > 
> > Freescale i.MX28 family at 454 MHz
> > DRAM:  128 MiB
> > MMC:   MXS MMC: 0
> > MMC0: DMA transfer failed
> > MMC0: DMA transfer failed
> > MMC0: DMA transfer failed
> > MMC0: DMA transfer failed
> > MMC init failed
> > Using default environment
> > 
> > Is there any patch I am missing?
> 
> Hi Fabio,
> 
> maybe it is worth to check first if it depends on the data cache, that
> is now turned on. Add CONFIG_CMD_CACHE to the configuartion file, and
> try to start mmc with and without dcache.

The cache should be off on m28evk and so should be on mx28evk.

> Best regards,
> Stefano

Best regards,
Marek Vasut