Date: Mon, 11 Nov 2013 11:07:24 +0200 From: Aleksandr Rybalko <ray@freebsd.org> To: John Wehle <john@feith.com> Cc: freebsd-arm@FreeBSD.org Subject: Re: arm/183740: mutex on some arm hardware requires dcache enabled Message-ID: <20131111110724.c3532e00bcf6f69907e32295@freebsd.org> In-Reply-To: <201311110640.rAB6e1A7098430@freefall.freebsd.org> References: <201311110640.rAB6e1A7098430@freefall.freebsd.org>
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On Mon, 11 Nov 2013 06:40:01 GMT John Wehle <john@feith.com> wrote: > The following reply was made to PR arm/183740; it has been noted by GNATS. > > From: John Wehle <john@feith.com> > To: ganbold@gmail.com > Cc: freebsd-gnats-submit@freebsd.org > Subject: Re: arm/183740: mutex on some arm hardware requires dcache enabled > Date: Mon, 11 Nov 2013 01:31:38 -0500 (EST) > > > What kind of Amlogic board you are working on? > > I'm currently using a Visson ATV-102 "Android TV Box" which has an > Amlogic aml8726-m3 SoC. I have it to the point of attempting to > mount the root filesystem so it's probably time for me to write a > driver for the Amlogic MMC hardware. > > I also have a Ainol Elf 2 tablet which has an Amlogic aml8726-mx SoC > which I plan to work on next. > > Both chips are dual core Arm Cortex A9 processors. > > > As for the patch can you try to put it in initarm_late_init() of > > your board machdep code and try? > > Yep ... enabling the dcache in initarm_late_init takes care of the > mutex ldrex / strex problem. > > -- John > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" Cool! Go-go-go John! :) WBW -- Aleksandr Rybalko <ray@freebsd.org>
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