Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 21 Jun 2019 05:43:58 +1000
From:      Peter Jeremy <peter@rulingia.com>
To:        Per olof Ljungmark <peo@nethead.se>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: RPi serial ports revisited
Message-ID:  <20190620194358.GA19776@server.rulingia.com>
In-Reply-To: <b0f401c3-2bca-edfe-11b9-05d577363a36@nethead.se>
References:  <b0f401c3-2bca-edfe-11b9-05d577363a36@nethead.se>

next in thread | previous in thread | raw e-mail | index | archive | help

--qMm9M+Fa2AknHoGS
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On 2019-Jun-16 11:32:44 +0200, Per olof Ljungmark <peo@nethead.se> wrote:
>I've gotten as far as I have the correct GPS output on /dev/cuau1 but I=20
>want it on /dev/cuau0
>
>So with 12-STABLE, where and how do I switch GPIO pins between uart0 and=
=20
>uart1?

The mapping is defined in the FDT, which should be loaded as part of
the boot process.  In theory, it should be possible to swap the uart0
and uart1 configuration but you will then need to flip the console
=66rom uart0 to uart1 as well (so it remains on the same physical pins)
- and that may present more issues because the console isn't defined
in a single spot.

I would suggest that you might find it easier to read the GPS data off
/dev/cuau1.

--=20
Peter Jeremy

--qMm9M+Fa2AknHoGS
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----
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=syqt
-----END PGP SIGNATURE-----

--qMm9M+Fa2AknHoGS--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20190620194358.GA19776>