On Fri, Jan 06, 2023 at 02:51:04PM +0000, Ben Dooks wrote:
> On 06/01/2023 14:07, Krzysztof Kozlowski wrote:
> > On 06/01/2023 14:44, Ben Dooks wrote:
> > > The 32-bit memory resource is needed for non-prefetchable memory
> > > allocations on the PCIe bus, however with some cards (such as the
> > > SM768) the system fails to allocate memory from this.
> > >
> > > Checking the allocation against the datasheet, it looks like there
> > > has been a mis-calcualation of the resource for the first memory
> > > region (0x0060090000..0x0070ffffff) which in the data-sheet for
> > > the fu740 (v1p2) is from 0x0060000000..0x007fffffff. Changing
> > > this to allocate from 0x0060090000..0x007fffffff fixes the probing
> > > issues.
> > >
> > > Fixes: ae80d514808557018e44190 ("riscv: dts: Add PCIe support for the SiFive FU740-C000 SoC
> > > ")
> >
> > Don't wrap lines.
> >
> > >
> >
> > Drop empty line between tags.
>
>
> Thanks, will fix.
I wouldn't bother resending to fix that stuff, can be done on
application.
I don't have a PCI card handy to test with so +CC Ron, perhaps he can
give this patch a go.
I can give it a go next week though probably if nothing's come through -
although likely not with something like an SM768.
Thanks,
Conor.
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