From: Arnd Bergmann <arnd@arndb.de>
To: Rob Herring <robherring2@gmail.com>
Subject: Re: [RFC PATCH 4/4] ARM: Xilinx: Adding Xilinx board support
Date: Mon, 2 May 2011 17:52:25 +0200
User-Agent: KMail/1.12.2 (Linux/2.6.37; KDE/4.3.2; x86_64; ; )
Cc: Grant Likely <grant.likely@secretlab.ca>,
        linux-arm-kernel@lists.infradead.org,
        Nicolas Pitre <nicolas.pitre@linaro.org>,
        Russell King <linux@arm.linux.org.uk>,
        devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org
References: <20110502045207.24800.91172.stgit@ponder> <201105021039.32374.arnd@arndb.de> <4DBEB1A8.3040202@gmail.com>
In-Reply-To: <4DBEB1A8.3040202@gmail.com>
MIME-Version: 1.0
Content-Type: Text/Plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Message-Id: <201105021752.25273.arnd@arndb.de>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 863
Lines: 25

On Monday 02 May 2011, Rob Herring wrote:
> The SCU is accessed before ioremap is up. The only reason it is accessed 
> early is to determine the number of cores present.

The number of cores should definitely be available in the device tree,
normally by looking at the root interrupt controller.

> The L2 can certainly be ioremapped and probed via DT. How about 
> something like this:
> 
>         l2cc {
>                 compatible = "arm,pl310-l2";
>                 reg = <0xfff12000 0x1000>;
>                 aux-value = <0>;
>                 aux-mask = <0xffffffff>;
>         };

sounds good to me.

	Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/