Re: [PATCH 6/7] riscv: dts: Add Tenstorrent Blackhole A0 SoC PCIe cards

[Ben Dooks]

On 16/09/2025 18:27, Drew Fustini wrote:
> On Tue, Sep 16, 2025 at 02:56:05PM +0100, Ben Dooks wrote:
> > On 15/09/2025 18:52, Drew Fustini wrote:
> > > On Mon, Sep 15, 2025 at 05:47:08PM +0100, Conor Dooley wrote:
> > > > On Sat, Sep 13, 2025 at 02:31:05PM -0700, Drew Fustini wrote:
> > > > > new file mode 100644
> > > > > index 0000000000000000000000000000000000000000..b2b08023643a2cebd4f924579024290bb355c9b3
> > > > > --- /dev/null
> > > > > +++ b/arch/riscv/boot/dts/tenstorrent/blackhole-a0-card.dts
> > > > > @@ -0,0 +1,14 @@
> > > > > +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> > > > > +/dts-v1/;
> > > > > +
> > > > > +#include "blackhole-a0.dtsi"
> > > > > +
> > > > > +/ {
> > > > > +	model = "Tenstorrent Blackhole A0 SoC PCIe card";
> > > > > +	compatible = "tenstorrent,blackhole-a0-card", "tenstorrent,blackhole-a0";
> > > > > +
> > > > > +	memory@0 {
> > > > > +		device_type = "memory";
> > > > > +		reg = <0x4000 0x30000000 0x1 0x00000000>;
> > > >
> > > > This isn't at address zero as the node address claims.
> > >
> > > Thanks, I'll fix the unit address.
> >
> > Is it time to just assume any dtc can handle a 64bit number?
>
> Is it not valid for me to use the 64 bit hex number in the unit address?

No, the reg = < > contents. It is a right pain to read split 32bit
numbers and I thought dtc had been updated to allow 64bit now?



--
Ben Dooks				http://www.codethink.co.uk/
Senior Engineer				Codethink - Providing Genius

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