Date: Wed, 21 Nov 2018 22:54:20 +0200 From: Stefan Parvu <sparvu@kronometrix.org> To: Ian Lepore <ian@freebsd.org> Cc: freebsd-arm@freebsd.org Subject: Re: FreeBSD 12.0 RBPI3B+ and hardware clock support Message-ID: <370FE06A-C2F8-4294-8DD1-F2EF76E63B94@kronometrix.org> In-Reply-To: <1542833504.56571.87.camel@freebsd.org> References: <70D1E906-D92A-4413-9327-DE1779E479E8@kronometrix.org> <1542825813.56571.77.camel@freebsd.org> <88AEE740-A64E-4F54-9A43-02DB605CFA2D@kronometrix.org> <1542832617.56571.81.camel@freebsd.org> <FF758714-F388-46FB-96C7-22FE58D1BE86@kronometrix.org> <1542833504.56571.87.camel@freebsd.org>
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> On 21 Nov 2018, at 22.51, Ian Lepore <ian@freebsd.org> wrote: > > On Wed, 2018-11-21 at 22:42 +0200, Stefan Parvu wrote: >>> >>> Oddly enough, the ds1307 driver supports that chip. I think it's >>> because the register set on the two chips is identical (or close >>> enough >>> to work right). >> uauu. nice one. >> >> how on earth i can enable ds1307 - no need to rebuild anything >> right ? Can I load the driver , if yes how ? >> >> >> Stefan > > You can load it interactively with "kldload ds1307". Add > ds1307_load=YES to /boot/loader.conf to load it every time you boot. done. cheers. root@k50:~ # kldstat Id Refs Address Size Name 1 17 0xffff000000000000 13ca6f0 kernel 2 1 0xffff0000013cb000 41730 mac_portacl.ko 3 1 0xffff000053600000 41000 tmpfs.ko 4 1 0xffff000053641000 41000 uftdi.ko 5 1 0xffff000053682000 41000 ucom.ko 6 1 0xffff0000536c3000 31000 mac_ntpd.ko 7 1 0xffff0000536f4000 41000 ds1307.ko > But without modified FDT data, just loading the driver won't make it > attach to the hardware. > The new way to do all that is to code an overlay that enables the bus > and adds the device, then set a loader.conf variable to make that > overlay get loaded. But I don't know the details of how to do that, > hopefully one of the folks who does know more about overlays can reply > with that info. okay, I see. Lets hope somebody which can help on this might answer. Thanks a lot anyway, Stefan
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