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Date: Wed, 03 Dec 2014 12:03:37 +0100 From: Arnd Bergmann <arnd@...db.de> To: linux-arm-kernel@...ts.infradead.org Cc: Stefan Agner <stefan@...er.ch>, shawn.guo@...aro.org, kernel@...gutronix.de, linux@....linux.org.uk, u.kleine-koenig@...gutronix.de, jason@...edaemon.net, olof@...om.net, daniel.lezcano@...aro.org, tglx@...utronix.de, mark.rutland@....com, pawel.moll@....com, robh+dt@...nel.org, ijc+devicetree@...lion.org.uk, galak@...eaurora.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 11/12] ARM: dts: add support for Vybrid running on Cortex-M4 On Wednesday 03 December 2014 01:12:10 Stefan Agner wrote: > diff --git a/arch/arm/boot/dts/vf610m4-colibri.dts b/arch/arm/boot/dts/vf610m4-colibri.dts > new file mode 100644 > index 0000000..051ee0f > --- /dev/null > +++ b/arch/arm/boot/dts/vf610m4-colibri.dts > @@ -0,0 +1,52 @@ > +/* > + * Device tree for Colibri VF61 Cortex-M4 support > + * > + * Copyright 2014 Stefan Agner > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + */ > + > +/dts-v1/; > +#include "vf610m4.dtsi" > + > +/ { > + model = "VF610 Cortex-M4"; > + compatible = "fsl,vf610m4"; > + > + chosen { > + bootargs = "console=ttyLP2,115200 ihash_entries=64 dhash_entries=64 earlyprintk clk_ignore_unused init=/linuxrc rw"; > + }; > + Starting with v3.19, you should be able to use the earlycon framework on arm32, so it would be better to replace earlyprintk with earlycon here and add a stdout-path property in chosen that points to the console uart. 64 hash table entries sounds extremely small, doesn't that impact performance? If you have 50MB of actual RAM available, I don't think you need that. Arnd -- 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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