[14e4:4315] Fatal DMA errors on Dell Vostro 1310 (Celeron M540)

Rafał Miłecki zajec5 at gmail.com
Tue Apr 19 06:18:35 EDT 2011

2010/4/4 Larry Finger <Larry.Finger at lwfinger.net>:
> With the PCI-E core selected, read the contents of MMIO address 0x0800.
> Mask that result with 0xF000 and compare the result with (PCI-E core
> index) << 12. If the two are not equal, maskset 0x800 with mask 0x0FFF
> and set with (PCI-E core index) << 12.

Larry, I think you didn't document this one in specs.

> There is also a new section to be placed near the end of
> ssb_pcicore_dev_irqvecs_enable() in the PCI-E branch of the if statement
> according to the following:
>  If (chip id is 0x4311 AND chip revision is 2) OR chip id is 0x4312
>   Maskset SSB_IMCFGLO with mask ~(SSB_IMCFGLO_SERTO |
>     SSB_IMCFGLO_REQTO) and set with 3
> So far, those are the only differences that I have found.

Same here.


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