Date: Wed, 18 Jul 2018 17:10:16 +0200 From: Per olof Ljungmark <peo@nethead.se> To: freebsd-arm@freebsd.org Subject: rpi3 and Adafruit GPS Hat Message-ID: <47f49a55-66b0-1c02-4530-4701a3bd0c43@nethead.se>
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Being a complete newbie to arm I thought a nice project would be to build a NTP server with the parts in the subject line. Unfortunately I have almost no idea where to start, it seems FreeBSD for arm have shifted around quite a bit, almost none of the googled pages I find has relevance, and to add insult to injury, the Pi project apparently shifted the serial ports around for the Pi3. What I need to achieve, - Stop the kernel to use the uart for console output (I have ethernet and HDMI connected) - Find the real uart, I suppose it is uart0 below - Figure out how to control the gpio pins - Enable PPS in the kernel (I can probably figure this one) FreeBSD 12.0-CURRENT #0 r336134 GENERIC arm64 (bcm2835) uart0: <PrimeCell UART (PL011)> mem 0x7e201000-0x7e201fff irq 24 on simplebus0 uart0: console (115200,n,8,1) VERY grateful if someone that knows better can give me a push in the right direction for up to date information. -- Per olof Ljungmark
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