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Date: Mon, 11 Nov 2013 18:57:44 +0000 From: Sudeep KarkadaNagesha <Sudeep.KarkadaNagesha@....com> To: Soren Brinkmann <soren.brinkmann@...inx.com>, "rob.herring@...xeda.com" <rob.herring@...xeda.com>, Pawel Moll <Pawel.Moll@....com>, Mark Rutland <Mark.Rutland@....com>, Stephen Warren <swarren@...dotorg.org>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Russell King <linux@....linux.org.uk>, Michal Simek <michal.simek@...inx.com>, Daniel Lezcano <daniel.lezcano@...aro.org>, Thomas Gleixner <tglx@...utronix.de> CC: Sudeep.KarkadaNagesha@....com, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org> Subject: Re: [PATCH 2/7] arm: dt: zynq: Add 'cpus' node On 08/11/13 21:21, Soren Brinkmann wrote: > Add a 'cpus' node to describe the CPU cores of Zynq. > > Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com> > Acked-by: Peter Crosthwaite <peter.crosthwaite@...inx.com> > --- > arch/arm/boot/dts/zynq-7000.dtsi | 27 +++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi > index 27ebc1ba9671..37fc04525142 100644 > --- a/arch/arm/boot/dts/zynq-7000.dtsi > +++ b/arch/arm/boot/dts/zynq-7000.dtsi > @@ -15,6 +15,33 @@ > / { > compatible = "xlnx,zynq-7000"; > > + cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpu@0 { > + compatible = "arm,cortex-a9"; > + device_type = "cpu"; > + reg = <0>; > + clocks = <&clkc 3>; > + i-cache-size = <0x8000>; > + i-cache-line-size = <0x20>; > + d-cache-size = <0x8000>; > + d-cache-line-size = <0x20>; These cache properties can be identified through CCSIDR(Cache Size ID Registers) on ARMv7 Cortex implementations. It's better not to have these in DT if they can be identified runtime. Regards, Sudeep -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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