From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren@wwwdotorg.org>
Subject: Re: [PATCH v2 07/10] ARM: tegra: pcie: Add device tree support
Date: Fri, 22 Jun 2012 11:28:15 -0600
Message-ID: <4FE4AB2F.8090402@wwwdotorg.org>
References: <4FD85127.8050301@firmworks.com> <20120614091905.GA9081@avionic-0098.mockup.avionic-design.de> <4FDA2DDA.1030704@wwwdotorg.org> <20120614192903.GA2212@avionic-0098.mockup.avionic-design.de> <4FDA40A0.4030206@wwwdotorg.org> <20120615061236.GA4081@avionic-0098.mockup.avionic-design.de> <20120619133001.GB24138@avionic-0098.mockup.avionic-design.de> <4FE0EFBB.6090206@firmworks.com> <20120621064722.GA1122@avionic-0098.mockup.avionic-design.de> <CAErSpo6Bpfqm-0yGiBOXEhF4kD3PTDYvWVr0babLZ4GkBLXJiA@mail.gmail.com> <20120622110038.GA15212@avionic-0098.mockup.avionic-design.de> <4FE4A4B3.9010200@wwwdotorg.org>
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To: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>, Mitch Bradley <wmb@firmworks.com>, Russell King <linux@arm.linux.org.uk>, linux-pci@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, Rob Herring <rob.herring@calxeda.com>, Jesse Barnes <jbarnes@virtuousgeek.org>, Colin Cross <ccross@android.com>, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Arnd Bergmann <arnd@arndb.de>
List-Id: linux-tegra@vger.kernel.org

On 06/22/2012 11:00 AM, Stephen Warren wrote:
> On 06/22/2012 05:00 AM, Thierry Reding wrote:
> ...
>> Stephen: can you try to find out whether the Tegra PCIe controller 
>> indeed implements ECAM, or if this scheme is actually just a
>> proprietary variant?
> 
> Sure. I have added this request to the bug I filed requesting more
> complete PCIe host documentation.

I've received unofficial confirmation that we do indeed implement a
non-standard/non-ECAM mapping, and what's in our driver matches our HW.

From mboxrd@z Thu Jan  1 00:00:00 1970
From: swarren@wwwdotorg.org (Stephen Warren)
Date: Fri, 22 Jun 2012 11:28:15 -0600
Subject: [PATCH v2 07/10] ARM: tegra: pcie: Add device tree support
In-Reply-To: <4FE4A4B3.9010200@wwwdotorg.org>
References: <4FD85127.8050301@firmworks.com>
 <20120614091905.GA9081@avionic-0098.mockup.avionic-design.de>
 <4FDA2DDA.1030704@wwwdotorg.org>
 <20120614192903.GA2212@avionic-0098.mockup.avionic-design.de>
 <4FDA40A0.4030206@wwwdotorg.org>
 <20120615061236.GA4081@avionic-0098.mockup.avionic-design.de>
 <20120619133001.GB24138@avionic-0098.mockup.avionic-design.de>
 <4FE0EFBB.6090206@firmworks.com>
 <20120621064722.GA1122@avionic-0098.mockup.avionic-design.de>
 <CAErSpo6Bpfqm-0yGiBOXEhF4kD3PTDYvWVr0babLZ4GkBLXJiA@mail.gmail.com>
 <20120622110038.GA15212@avionic-0098.mockup.avionic-design.de>
 <4FE4A4B3.9010200@wwwdotorg.org>
Message-ID: <4FE4AB2F.8090402@wwwdotorg.org>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 06/22/2012 11:00 AM, Stephen Warren wrote:
> On 06/22/2012 05:00 AM, Thierry Reding wrote:
> ...
>> Stephen: can you try to find out whether the Tegra PCIe controller 
>> indeed implements ECAM, or if this scheme is actually just a
>> proprietary variant?
> 
> Sure. I have added this request to the bug I filed requesting more
> complete PCIe host documentation.

I've received unofficial confirmation that we do indeed implement a
non-standard/non-ECAM mapping, and what's in our driver matches our HW.