From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Tanmay Inamdar <tinamdar@apm.com>,
devicetree@vger.kernel.org, Jon Masters <jcm@redhat.com>,
linux-doc@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
patches <patches@apm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Grant Likely <grant.likely@linaro.org>,
Rob Landley <rob@landley.net>,
linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: [RFC PATCH 3/3] dt-bindings: pci: xgene pcie device tree bindings
Date: Tue, 07 Jan 2014 16:44:30 +0100 [thread overview]
Message-ID: <4687115.Uo6IImEscY@wuerfel> (raw)
In-Reply-To: <201401071635.02006.arnd@arndb.de>
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
next prev parent reply other threads:[~2014-01-07 15:45 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-23 8:02 [RFC PATCH 0/3] APM X-Gene PCIe driver Tanmay Inamdar
2013-12-23 8:02 ` [RFC PATCH 1/3] pci: APM X-Gene PCIe controller driver Tanmay Inamdar
2014-01-02 21:08 ` Bjorn Helgaas
2014-01-03 12:07 ` Arnd Bergmann
2014-01-07 2:41 ` Tanmay Inamdar
2014-01-07 9:27 ` Arnd Bergmann
2014-01-10 1:20 ` Tanmay Inamdar
2014-01-06 1:47 ` Jingoo Han
2014-01-07 2:45 ` Tanmay Inamdar
2014-01-07 3:31 ` Jingoo Han
2013-12-23 8:02 ` [RFC PATCH 2/3] arm64: dts: APM X-Gene PCIe device tree nodes Tanmay Inamdar
2013-12-23 17:46 ` Jason Gunthorpe
2014-01-02 21:56 ` Tanmay Inamdar
2014-01-03 0:52 ` Jason Gunthorpe
2014-01-07 2:56 ` Tanmay Inamdar
2014-01-07 17:27 ` Jason Gunthorpe
2014-01-10 1:30 ` Tanmay Inamdar
2013-12-23 8:02 ` [RFC PATCH 3/3] dt-bindings: pci: xgene pcie device tree bindings Tanmay Inamdar
2014-01-03 9:49 ` Arnd Bergmann
2014-01-07 3:04 ` Tanmay Inamdar
2014-01-07 15:35 ` Arnd Bergmann
2014-01-07 15:44 ` Arnd Bergmann [this message]
2014-01-07 18:31 ` Jason Gunthorpe
2014-01-10 1:32 ` Tanmay Inamdar
2014-01-11 0:12 ` Tanmay Inamdar
2014-01-11 13:06 ` Arnd Bergmann
2013-12-23 8:56 ` [RFC PATCH 0/3] APM X-Gene PCIe driver Tanmay Inamdar
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