Date: Wed, 18 Jul 2018 21:49:54 +0200 From: Per olof Ljungmark <peo@nethead.se> To: Diane Bruce <db@db.net> Cc: freebsd-arm@freebsd.org Subject: Re: rpi3 and Adafruit GPS Hat Message-ID: <e835dab7-4b5a-1c4f-10b3-2733a65bc579@nethead.se> In-Reply-To: <20180718170157.GA40221@night.db.net> References: <47f49a55-66b0-1c02-4530-4701a3bd0c43@nethead.se> <20180718170157.GA40221@night.db.net>
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On 07/18/18 19:01, Diane Bruce wrote: > On Wed, Jul 18, 2018 at 05:10:16PM +0200, Per olof Ljungmark wrote: >> 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) > > No need. > > change your config.txt > > #dtoverlay=pi3-disable-bt > device_tree_address=0x4000 > kernel=u-boot.bin > enable_uart=1 > > This moves the console port to the less capable micro uart port > this will free up the good uart (the pl011 device) as /dev/ttyu0 > > Remove the pi3-disable-dt in config.txt > enable_uart=1 is needed. > >> VERY grateful if someone that knows better can give me a push in the >> right direction for up to date information. > .. > > This is assuming you use FreeBSD-12 (Head of tree) > Thank you, this looks better: uart0: <PrimeCell UART (PL011)> mem 0x7e201000-0x7e201fff irq 24 on simplebus0 uart1: <BCM2835 Mini-UART> mem 0x7e215040-0x7e21507f irq 32 on simplebus0 uart1: console (115200,n,8,1) //per
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