From nobody Mon Jan 09 20:43:37 2023 X-Original-To: freebsd-arm@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4NrQs40qxHz2qlG0 for ; Mon, 9 Jan 2023 20:43:52 +0000 (UTC) (envelope-from jjrushford@gmail.com) Received: from mail-il1-x130.google.com (mail-il1-x130.google.com [IPv6:2607:f8b0:4864:20::130]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4NrQs30tr3z4ZTZ for ; Mon, 9 Jan 2023 20:43:51 +0000 (UTC) (envelope-from jjrushford@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20210112 header.b=R4b9LcZl; spf=pass (mx1.freebsd.org: domain of jjrushford@gmail.com designates 2607:f8b0:4864:20::130 as permitted sender) smtp.mailfrom=jjrushford@gmail.com; dmarc=pass (policy=none) header.from=gmail.com Received: by mail-il1-x130.google.com with SMTP id o8so5476636ilo.1 for ; Mon, 09 Jan 2023 12:43:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:date:message-id:subject:mime-version:content-transfer-encoding :from:from:to:cc:subject:date:message-id:reply-to; bh=FGLm38/Oz71TLgf1dogOzbVU1e1rc45fS37TjGMys3Y=; b=R4b9LcZlWU11qQCJPeoXecDe1gXiD4S4tK8cfklo+RJMNnKoiC6a4RcEP3/lqK6swJ sOrpLmyLCgOHR5NAhbLz9UdUTNmJYwZWYsiWQxRTAzARvAh6sRUfhmSkqPzk5YxicqX6 zbXH0txegYbg2Y7VB88ruQ9aYf1p+xd8M2wRTiT+oOdQk3YaKs1iU82a0daWUpn6Dcps jcSIdAUZakRsWSXhjaOwuplrX0gJJWBmZfCfzqEjzZdP/QHkr2r2kdYMz0KZxUh7tBYD c3bTEKsfR1cbI3/EyRb+yXBWeYKWCS195XVPJLb1NiJGbzofiodVX1I+cMQycf0Bdsxp gXmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:date:message-id:subject:mime-version:content-transfer-encoding :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=FGLm38/Oz71TLgf1dogOzbVU1e1rc45fS37TjGMys3Y=; b=aXR5a/es0qBZzR24GU2Ujkatq/DybD6iqPF0/djnEi8VOEnnuZBbJpjD4wHGglSQ3b EYd3dZO60f7IdsMnONgtNvrt8L4QB1Ap9ceU6m+1j2t0BK+DZwTjvSLL9+i6HSwwEt4B 9Xf0mE8v9O1N5QLcgWyOin1Yy5p3uhA6bbqZeSt21v5iT9GKP+CP7CvWkN/8WJMG3AGu l1FcrmfQZECRrbkV2OU9rRSvOZVOsTAEZWCjzsUkrVIvUkn7ZXCF7C1Hd+uwDalnw7xQ 0339277gKJ0AS8e3cYk7PGZHkczXMPt5EkgY7RLx6Xm7/yksG+ehw5sL7lNxzbrD/Dsi V1FA== X-Gm-Message-State: AFqh2krIjXQpYN7BakDT5A+brr5F1C0CQGNGF2BKPH3CXosUHQAjAe8A MqCiDbzc3wFamgAwZ3tGNr2oTyh4P7A= X-Google-Smtp-Source: AMrXdXuaAcHdhsuv5bohvaa/AL2OdxjdspOhGgvoGZUQEX7mZgjNfaSAXL7IIjJt7u4p8rO291Yk7A== X-Received: by 2002:a92:2c0d:0:b0:30b:e56f:f2f7 with SMTP id t13-20020a922c0d000000b0030be56ff2f7mr48826761ile.24.1673297029620; Mon, 09 Jan 2023 12:43:49 -0800 (PST) Received: from smtpclient.apple ([2601:280:587f:87d0:fd8d:7a9e:180e:7182]) by smtp.gmail.com with ESMTPSA id g20-20020a92c7d4000000b0030c661606eesm3070627ilk.63.2023.01.09.12.43.48 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 09 Jan 2023 12:43:49 -0800 (PST) From: John Rushford Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3731.200.110.1.12\)) Subject: Pi 4 serial ports Message-Id: Date: Mon, 9 Jan 2023 13:43:37 -0700 To: "freebsd-arm@freebsd.org" X-Mailer: Apple Mail (2.3731.200.110.1.12) X-Spamd-Result: default: False [-3.50 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; MV_CASE(0.50)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::130:from]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TO_DN_EQ_ADDR_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCVD_COUNT_THREE(0.00)[3]; FREEMAIL_FROM(0.00)[gmail.com]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MLMMJ_DEST(0.00)[freebsd-arm@freebsd.org] X-Rspamd-Queue-Id: 4NrQs30tr3z4ZTZ X-Spamd-Bar: --- X-ThisMailContainsUnwantedMimeParts: N Greetings, I=E2=80=99m running FreeBSD 13.1-RELEASE on a raspberry pi 4b rev 1.4. = The pi 4 has 4 UART ports available but as far as I can tell, FreeBSD = 13.1 only supports 1 of them. I would like to use one of the other UART ports to wire an adafruit GPS = breakout too. I tried using the UART0 port but when I wire the GPS = breakout to it,=20 I run into boot issues with u-boot and console logging. I know that in = other OS=E2=80=99s such as raspian or ubuntu, you are able to enable the = additional UARTS in config.txt. Thinking that FreeBSD might support this I tried adding = =E2=80=9Cdtoverlay=3Duartx=E2=80=9D where x is 0 to 3 but I=E2=80=99m = not seeing in any kernel logging that these ports were enabled and I don=E2=80=99t see any additional ttyu=E2=80=99s in the dev tree. So my question, does FreeBSD support these additional UARTS and if so, = how do I enable them so that I may use one for the GPS breakout? Thanks John=