On Thu, Mar 4, 2010 at 1:30 AM, Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote: > On 03/02/2010 03:57 PM, Michael Buesch wrote: > >> A bug in the PCI-E core code is able to show such behavior, because all memory >> transfers (MMIO and DMA) from the PCI device to the wireless core are translated >> by the PCI-E core. >> I think the whole PCI-E core code has to be audited (also the specs, probably). > > I have nearly finished the update on the code section of the specs page at > http://bcm-v4.sipsolutions.net/PCI-E. The part that is not done involves the > sections that read an address from the SPROM and perform operations on that address. > > I found that the chip common registers Do you mean the ChipCommon registers or the Backplane common registers? > are mapped at 12K for newer cores on > PCIe. This explains the 0x3XXX addresses. Similarly, the PCIe registers are > mapped at 8K - the 0x2XXX addresses. The SPROM is shadowed at 4K or 0x1XXX. > > Larry > > -- Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-) -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
