Re: [RFC PATCH 3/3] dt-bindings: pci: xgene pcie device tree bindings

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tuesday 07 January 2014 16:35:01 Arnd Bergmann wrote:
> > >> +SoC specific DT Entry:
> > >> +     pcie0: pcie@1f2b0000 {
> > >> +             status = "disabled";
> > >> +             device_type = "pci";
> > >> +             compatible = "xgene,pcie";
> > >> +             #interrupt-cells = <1>;
> > >> +             #size-cells = <2>;
> > >> +             #address-cells = >;
> > >> +             reg = < 0x00 0x1f2b0000 0x0 0x00010000>;
> > >> +             ranges = <0x02000000 0x0 0x00000000 0xe0 0x00000000 0x0 0x10000000 /* mem*/
> > >
> > >
> > > Also, do you support no prefetchable memory?
> > 
> > HW has either IO or Memory regions for mapping device's memory space.
> > There is no separate prefetchable memory space.
> 
> Are you sure the memory is non-prefetchable then? I would have expected
> 0x42000000 rather than 0x02000000, but I could be misremembering it.

Nevermind. I just checked and you are right: if you only have
one memory range, it has to be non-prefetchable.

	Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-doc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux