This is a discussion on Re: RFC: PCI SD host controller driver & mmc/mmcsd modulesimprovements - FreeBSD ; Alexander Motin wrote: > Lars Engels wrote: >> Much better! Loading mmcsd first, then mmc and sdhci gives me the mmcsd0 >> device: >> >> sdhci0: mem 0xd8002800-0xd80028ff irq 22 at device 9.2 >> on pci5 >> sdhci0: 1 slot(s) ...
Alexander Motin wrote:
> Lars Engels wrote:
>> Much better! Loading mmcsd first, then mmc and sdhci gives me the mmcsd0
>> device:
>>
>> sdhci0:mem 0xd8002800-0xd80028ff irq 22 at device 9.2
>> on pci5
>> sdhci0: 1 slot(s) allocated
>> sdhci0: [ITHREAD]
>> mmc0:on sdhci0
>> mmcsd0: 1924MBat mmc0 16MHz/4bit
>> sdhci0-slot0: Got data interrupt 0x00000002, but there is no active
>
> This error should not happen normally. Or this controller has some
> problems with DMA mode (it's PCI class reports that DMA is not
> supported, but as soon as we have some reports that it does working it
> is forcefully used) or it is some problem with driver.
Or you can also try PIO mode by removing SDHCI_QUIRK_FORCE_DMA for this
chip.
--
Alexander Motin
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