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From: Rob Herring <robherring2@gmail.com>
To: Michal Simek <michal.simek@xilinx.com>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Will Deacon" <will.deacon@arm.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Pawel Moll" <pawel.moll@arm.com>,
"Mark Rutland" <mark.rutland@arm.com>,
"Ian Campbell" <ijc+devicetree@hellion.org.uk>,
"Kumar Gala" <galak@codeaurora.org>,
"Sören Brinkmann" <soren.brinkmann@xilinx.com>,
"Robert Richter" <rrichter@cavium.com>,
"Mark Brown" <broonie@linaro.org>,
"Eddie Huang" <eddie.huang@mediatek.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH] ARM64: Add new Xilinx ZynqMP SoC
Date: Tue, 24 Feb 2015 10:29:57 -0600 [thread overview]
Message-ID: <CAL_JsqJVdZMwweta=N-P-d=C6JNsXk0BsGcrexe2yDPm7c5pfg@mail.gmail.com> (raw)
In-Reply-To: <9bffa4683bd6478993de6bea1d3027af@BN1AFFO11FD048.protection.gbl>
On Tue, Feb 24, 2015 at 8:58 AM, Michal Simek <michal.simek@xilinx.com> wrote:
> On 02/24/2015 03:42 PM, Rob Herring wrote:
>> On Tue, Feb 24, 2015 at 1:56 AM, Michal Simek <michal.simek@xilinx.com> wrote:
>>> Initial version of device tree for Xilinx ZynqMP SoC.
>>>
>>> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
>>> Acked-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
>>> ---
>>
>> [...]
>>
>>> + gic: interrupt-controller@f9010000 {
>>> + compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic";
>>
>> gic-400, right?
>
> yep
>
>>
>>> + #interrupt-cells = <3>;
>>> + reg = <0x0 0xf9010000 0x10000>,
>>> + <0x0 0xf9020000 0x20000>,
>>> + <0x0 0xf9040000 0x20000>,
>>> + <0x0 0xf9060000 0x20000>;
>>
>> These addresses are wrong if you are doing address swizzling to do 64K
>> offsets. We don't really have an answer yet as to what is the right
>> way. See the XGene GIC discussion[1].
>
> Is this better for GICC?
> <0x0 0xf902f000 0x2000>
Yes, and the VCPU interface needs this as well. As far as sizes, we're
still discussing that.
Rob
next prev parent reply other threads:[~2015-02-24 16:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-24 7:56 Michal Simek
2015-02-24 14:42 ` Rob Herring
2015-02-24 14:58 ` Michal Simek
2015-02-24 16:29 ` Rob Herring [this message]
2015-02-24 17:58 ` Michal Simek
2015-02-24 18:38 ` Mark Rutland
2015-02-25 14:21 ` Michal Simek
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