From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Shu Subject: [PATCH v2 6/6] ARM: dts: mt6580: enable basic SMP bringup for MT6580 Date: Fri, 10 Jul 2015 14:04:09 +0800 Message-ID: <1436508249-49338-7-git-send-email-scott.shu@mediatek.com> References: <1436508249-49338-1-git-send-email-scott.shu@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1436508249-49338-1-git-send-email-scott.shu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+glpam-linux-mediatek=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Matthias Brugger , Russell King , Arnd Bergmann , Catalin Marinas , Heiko Stuebner , Yingjoe Chen , Marc Carino , Lorenzo Pieralisi , Radha Mohan Chintakuntla , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: Scott Shu , scott.shu-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, loda.chou-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, wsd_upstream-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, jades.shih-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org List-Id: devicetree@vger.kernel.org Add arch timer node to enable arch-timer support. MT6580 firmware doesn't correctly setup arch-timer frequency and CNTVOFF, add properties to workaround this. This set cpu enable-method to enable SMP. Signed-off-by: Scott Shu --- arch/arm/boot/dts/mt6580.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/mt6580.dtsi b/arch/arm/boot/dts/mt6580.dtsi index 4a9df6a..ef577bd 100644 --- a/arch/arm/boot/dts/mt6580.dtsi +++ b/arch/arm/boot/dts/mt6580.dtsi @@ -25,26 +25,31 @@ cpus { #address-cells = <1>; #size-cells = <0>; + enable-method = "mediatek,mt6580-smp"; cpu@0 { device_type = "cpu"; compatible = "arm,cortex-a7"; reg = <0x0>; + clock-frequency = <1700000000>; }; cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a7"; reg = <0x1>; + clock-frequency = <1700000000>; }; cpu@2 { device_type = "cpu"; compatible = "arm,cortex-a7"; reg = <0x2>; + clock-frequency = <1700000000>; }; cpu@3 { device_type = "cpu"; compatible = "arm,cortex-a7"; reg = <0x3>; + clock-frequency = <1700000000>; }; }; @@ -74,6 +79,21 @@ }; }; + timer { + compatible = "arm,armv7-timer"; + interrupt-parent = <&gic>; + interrupts = , + , + , + ; + clock-frequency = <13000000>; + arm,cpu-registers-not-fw-configured; + }; + scpsys: scpsys@10006000 { compatible = "mediatek,mt6580-scpsys"; reg = <0x10006000 0x1000>; -- 1.8.1.1.dirty