Date: Thu, 11 Apr 2019 22:28:03 +0200 From: Bernd Walter <ticso@cicely7.cicely.de> To: Peter Jeremy <peter@rulingia.com> Cc: ticso@cicely.de, freebsd-arm@freebsd.org, Bernd Walter <ticso@cicely7.cicely.de> Subject: Re: no dev.cpu on RPI-B Message-ID: <20190411202803.GA38343@cicely7.cicely.de> In-Reply-To: <20190410003508.GL69855@cicely7.cicely.de> References: <20190409223917.GK69855@cicely7.cicely.de> <20190409235929.GA8974@server.rulingia.com> <20190410003508.GL69855@cicely7.cicely.de>
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On Wed, Apr 10, 2019 at 02:35:08AM +0200, Bernd Walter wrote: > On Wed, Apr 10, 2019 at 09:59:29AM +1000, Peter Jeremy wrote: > > On 2019-Apr-10 00:39:18 +0200, Bernd Walter <ticso@cicely7.cicely.de> wrote: > > >I was hoping for dev.cpu.0.temperature as it exists on the Pi3. > > >Is something missing in my setup (using 12-RELEASE kernel from image), > > >or is there no support for that? > > > > I ran into this when I switched from the FreeBSD FDT to the default Linux FDT. > > The latter is missing the CPU description. The fix is to create your own > > FDT overlay and get the loader to load it. There's a similar problem with the > > SPI controller. > > Thank you very much. > That makes sense, didn't thought about FDT because it works on a Pi3 > with the same 12.0-RELEASE. > I'm already using overlays on those systems for SPI, my own APA102 LED driver > and DS18B20 sensors. > It is for an LED matrix running 24 RPI1 with 800 LEDs each. > The systems are nfsroot, but I think the dtso are loaded from the micro-SD > cards :-( > Well - I guess I setup a bootscript on the NFS server to update the data on > the cards. Much better, but still no temperature: [52]matrix# sysctl dev.cpu dev.cpu.0.%parent: cpulist0 dev.cpu.0.%pnpinfo: name=cpu@0 compat=arm,1176jzf-s dev.cpu.0.%location: dev.cpu.0.%driver: cpu dev.cpu.0.%desc: Open Firmware CPU dev.cpu.%parent: Will take a deeper look into it and compare to the previous FDT once I find time. -- B.Walter <bernd@bwct.de> http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.
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