On 25.02.15 13:07, Claudio Fontana wrote: > > > On 24.02.2015 15:34, Claudio Fontana wrote: >> Hello, >> >> I am trying to set the pci interrupt line field in the configuration space >> (offset 0x3c), since it is initialized as zero. >> >> I would like to set it to the right value as read from the device tree, >> in order for other existing software which relies on it to be able to work >> unmodified.. >> >> but it does not seem to work (I seem to read back zero even after setting >> the PCI_INTERRUPT_LINE field). >> >> I am also reading the interrupt pin, but that one instead seems to work out >> of the box.. >> >> Thank you for any suggestion, >> >> Claudio > > By the way, I am currently just avoiding to rely on PCI_INTERRUPT_LINE for > AArch64, > but shouldn't the register be programmable?
As far as I understand the register should really just be a scratch r/w register, yeah. Are you sure you're writing in byte granularity? Alex
