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From: Arnd Bergmann <arnd@arndb.de>
To: Rob Herring <robherring2@gmail.com>
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
Subject: Re: [RFC PATCH 4/4] ARM: Xilinx: Adding Xilinx board support
Date: Mon, 2 May 2011 17:52:25 +0200	[thread overview]
Message-ID: <201105021752.25273.arnd@arndb.de> (raw)
In-Reply-To: <4DBEB1A8.3040202@gmail.com>

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

  reply	other threads:[~2011-05-02 15:52 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-02  5:07 [RFC PATCH 0/4] ARM: Basic Xilinx Support Grant Likely
2011-05-02  5:07 ` [RFC PATCH 1/4] arm/dt: Add dt machine definition Grant Likely
2011-05-02  5:07 ` [RFC PATCH 2/4] of/address: Add of_find_matching_node_by_address helper Grant Likely
2011-05-02  5:07 ` [RFC PATCH 3/4] dt/irq: add of_irq_domain_add_simple() helper Grant Likely
2011-05-02  5:08 ` [RFC PATCH 4/4] ARM: Xilinx: Adding Xilinx board support Grant Likely
2011-05-02  7:06   ` Michal Simek
2011-05-02  8:39   ` Arnd Bergmann
2011-05-02 13:29     ` Rob Herring
2011-05-02 15:52       ` Arnd Bergmann [this message]
     [not found] <1518608384.2203937.1304349657551.JavaMail.root@sz0140a.emeryville.ca.mail.comcast.net>
2011-05-02 21:27 ` johnlinn
2011-05-02 21:36   ` Arnd Bergmann
     [not found] <90477150.2231869.1304372815517.JavaMail.root@sz0140a.emeryville.ca.mail.comcast.net>
2011-05-02 21:50 ` johnlinn
2011-05-02 23:01   ` Russell King - ARM Linux
2011-05-02 23:36     ` Grant Likely
2011-05-03  7:58     ` Arnd Bergmann
2011-05-03  8:52       ` Russell King - ARM Linux
2011-05-03 10:35         ` Arnd Bergmann

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