From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932445AbaGUN53 (ORCPT ); Mon, 21 Jul 2014 09:57:29 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:63100 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754916AbaGUN51 (ORCPT ); Mon, 21 Jul 2014 09:57:27 -0400 X-AuditID: cbfee61a-f79e46d00000134f-8e-53cd1c44838c From: Bartlomiej Zolnierkiewicz To: linux-samsung-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kukjin Kim , Marek Szyprowski , Lorenzo Pieralisi , Tomasz Figa , Mark Rutland , Thomas Abraham Subject: [PATCH v2] ARM: dts: add CPU nodes for Exynos4 SoCs Date: Mon, 21 Jul 2014 15:57:04 +0200 Message-id: <1444042.RbiCcg7JnP@amdc1032> User-Agent: KMail/4.8.4 (Linux/3.2.0-54-generic-pae; KDE/4.8.5; i686; ; ) MIME-version: 1.0 Content-transfer-encoding: 7Bit Content-type: text/plain; charset=us-ascii X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrDLMWRmVeSWpSXmKPExsVy+t9jQV1XmbPBBts3s1n0LrjKZrHp8TVW i8u75rBZzDi/j8nize8X7BZrj9xlt1h6/SKTxfoZr1ksNk/YyObA6bFm3hpGj52z7rJ7bF5S 79G3ZRWjx+dNcgGsUVw2Kak5mWWpRfp2CVwZR2Z9YipYKVVx9+ZL5gbGNtEuRk4OCQETiecn d7FB2GISF+6tB7K5OIQEpjNKfD+5jxkkISTQwiSx/UsAiM0mYCUxsX0VI4gtIqAq8bltATtI A7PAXiaJXV82gk0SFrCROHpmI1MXIwcHC1DR+4NVIGFeAU2JNauOgZWICnhK7Ni+kg0iLijx Y/I9FhCbWUBeYt/+qawQtpbE+p3HmSYw8s1CUjYLSdksJGULGJlXMYqmFiQXFCel5xrqFSfm Fpfmpesl5+duYgSH8TOpHYwrGywOMQpwMCrx8HowngkWYk0sK67MPcQowcGsJMJby3g2WIg3 JbGyKrUoP76oNCe1+BCjNAeLkjjvgVbrQCGB9MSS1OzU1ILUIpgsEwenVAMjk7HNOiM5xcUS 9Y1Bl5MM9DjdZq1RUZ/2y6VTfalSN4dVyvkiL9b3/7apJzcvuLUycgEnS02FahdjhkfzjWvl f+awxITMt1iTy9cic1XH4LX96j87Djw7sf6oHMuMj7nXuxqfy1Revnr3tEf8JVape6/LlsZO 1uk8+Wkuz0GmeDnphhTV/DVKLMUZiYZazEXFiQCbIEfBXwIAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Recent patch by Tomasz Figa ("irqchip: gic: Fix core ID calculation when topology is read from DT") fixed GIC driver to filter cluster ID from values returned by cpu_logical_map() for SoCs having registers mapped without per-CPU banking making it is possible to add CPU nodes for Exynos4 SoCs. In case of Exynos SoCs these CPU nodes are also required by future changes adding initialization of cpuidle states in Exynos cpuidle driver through DT. Tested on Origen board (Exynos4210 SoC) and Trats2 (Exynos4412 SoC). Signed-off-by: Bartlomiej Zolnierkiewicz --- Based on next-20140717 branch of linux-next tree + - [PATCH 2/6] ARM: EXYNOS: Fix core ID used by platsmp and hotplug code http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg32811.html - [PATCH] irqchip: gic: Fix core ID calculation when topology is read from DT http://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg34277.html v2: - match the unit-address with the reg arch/arm/boot/dts/exynos4210.dtsi | 17 +++++++++++++++++ arch/arm/boot/dts/exynos4212.dtsi | 17 +++++++++++++++++ arch/arm/boot/dts/exynos4412.dtsi | 29 +++++++++++++++++++++++++++++ 3 files changed, 63 insertions(+) diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi index ee3001f..bc2b444 100644 --- a/arch/arm/boot/dts/exynos4210.dtsi +++ b/arch/arm/boot/dts/exynos4210.dtsi @@ -31,6 +31,23 @@ pinctrl2 = &pinctrl_2; }; + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@900 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0x900>; + }; + + cpu@901 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0x901>; + }; + }; + sysram@02020000 { compatible = "mmio-sram"; reg = <0x02020000 0x20000>; diff --git a/arch/arm/boot/dts/exynos4212.dtsi b/arch/arm/boot/dts/exynos4212.dtsi index 3c00e6e..dd0a43e 100644 --- a/arch/arm/boot/dts/exynos4212.dtsi +++ b/arch/arm/boot/dts/exynos4212.dtsi @@ -22,6 +22,23 @@ / { compatible = "samsung,exynos4212", "samsung,exynos4"; + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@A00 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0xA00>; + }; + + cpu@A01 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0xA01>; + }; + }; + combiner: interrupt-controller@10440000 { samsung,combiner-nr = <18>; }; diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi index c42a3e1..435a722 100644 --- a/arch/arm/boot/dts/exynos4412.dtsi +++ b/arch/arm/boot/dts/exynos4412.dtsi @@ -22,6 +22,35 @@ / { compatible = "samsung,exynos4412", "samsung,exynos4"; + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@A00 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0xA00>; + }; + + cpu@A01 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0xA01>; + }; + + cpu@A02 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0xA02>; + }; + + cpu@A03 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0xA03>; + }; + }; + combiner: interrupt-controller@10440000 { samsung,combiner-nr = <20>; }; -- 1.8.2.3