From owner-freebsd-arm@freebsd.org Mon Dec 2 02:17:35 2019 Return-Path: Delivered-To: freebsd-arm@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id B52481C14EE for ; Mon, 2 Dec 2019 02:17:35 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from vtr.rulingia.com (vtr.rulingia.com [IPv6:2001:19f0:5801:ebe:5400:1ff:fe53:30fd]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "vtr.rulingia.com", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47R7zy2ff8z4W6g for ; Mon, 2 Dec 2019 02:17:33 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from server.rulingia.com (ppp239-208.static.internode.on.net [59.167.239.208]) by vtr.rulingia.com (8.15.2/8.15.2) with ESMTPS id xB22HMKg049253 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 2 Dec 2019 13:17:28 +1100 (AEDT) (envelope-from peter@rulingia.com) X-Bogosity: Ham, spamicity=0.000000 Received: from server.rulingia.com (localhost.rulingia.com [127.0.0.1]) by server.rulingia.com (8.15.2/8.15.2) with ESMTPS id xB22HHKY047695 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 2 Dec 2019 13:17:17 +1100 (AEDT) (envelope-from peter@server.rulingia.com) Received: (from peter@localhost) by server.rulingia.com (8.15.2/8.15.2/Submit) id xB22HHQX047694; Mon, 2 Dec 2019 13:17:17 +1100 (AEDT) (envelope-from peter) Date: Mon, 2 Dec 2019 13:17:17 +1100 From: Peter Jeremy To: John F Carr Cc: "freebsd-arm@freebsd.org" Subject: Re: 64 bit ARM systems with more than four cores Message-ID: <20191202021717.GA70723@server.rulingia.com> References: <94BC4785-B16E-43B2-B222-3D3C8C5DEB50@exchange.mit.edu> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="0OAP2g/MAC+5xKAE" Content-Disposition: inline In-Reply-To: <94BC4785-B16E-43B2-B222-3D3C8C5DEB50@exchange.mit.edu> X-PGP-Key: http://www.rulingia.com/keys/peter.pgp User-Agent: Mutt/1.12.2 (2019-09-21) X-Rspamd-Queue-Id: 47R7zy2ff8z4W6g X-Spamd-Bar: ------- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of peter@rulingia.com designates 2001:19f0:5801:ebe:5400:1ff:fe53:30fd as permitted sender) smtp.mailfrom=peter@rulingia.com X-Spamd-Result: default: False [-7.67 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; RCVD_COUNT_THREE(0.00)[3]; RCPT_COUNT_TWO(0.00)[2]; SIGNED_PGP(-2.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ASN(0.00)[asn:20473, ipnet:2001:19f0:5800::/38, country:US]; IP_SCORE(-3.27)[ip: (-9.61), ipnet: 2001:19f0:5800::/38(-4.82), asn: 20473(-1.85), country: US(-0.05)]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; DMARC_NA(0.00)[rulingia.com]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Dec 2019 02:17:35 -0000 --0OAP2g/MAC+5xKAE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2019-Dec-01 21:37:53 +0000, John F Carr wrote: >Two RK3399 based systems, 2 A-72 + 4 A-53: RockPro64 (http://www.pine64.co= m/) >and ROCK Pi 4 (http://radxa.com). I can't use the RockPro64 due to the >1.5 MBps serial port. Apparently it works or almost works with some speci= al >handling if your serial interface can count to 1,500,000. I can't help with the >4 cores bit but the 1.5Mbps serial link shouldn't be a problem. I have a Rock64 connected to a FT232R clone (something like https://www.aliexpress.com/item/32680591167.html) and don't have any proble= ms. (I had to patch ports/comms/conserver-com to support 1.5Mbps but everything else "just worked"). --=20 Peter Jeremy --0OAP2g/MAC+5xKAE Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEE7rKYbDBnHnTmXCJ+FqWXoOSiCzQFAl3kdCZfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEVF QjI5ODZDMzA2NzFFNzRFNjVDMjI3RTE2QTU5N0EwRTRBMjBCMzQACgkQFqWXoOSi CzThAhAAhd0v+/p7sJhuzjxYxf9OM45r9FMBzrh3OAQzWljuHLAytjTT+brRYq5t jDAYrxxf4mQPt8e5sEttTlrVzMI1eGx+OlIbV6RP1SXT8iOnWPevQVoIgl084Pnf x/mRRqfILfbd/FlxXgTQycK9GuK/TpXoMccsTpJAr504G8qCzjjHyJ1Ox6wfIylY ROjoBFFO/srQyTQZrkWk2muzepqmrLlX+Cs2VaI462Nc2/5VIfJDtBQW3ebJmtbC 5wN/uF9r1qieEMWwR5fBbFx+mQWXZglCQ2fijoRHm1w3Qa3Ezd2BkaFZq/PBIcme IJJCWNWHscFrru+fyWawuMsRRIoNQxH1G4CP/rMgPTP3E9nUcTq3GZcQfwEtTIw9 /rkRXUx3uJ+8YVAzFJ/HgswBF0qKrbYgs0r9R+2ggtYMQVBg+DrQJOjGObkxTioG ZXCbkFZrkJ3d68+Q7aJcjkHFQpvqFPEL5UNjOY78vX3fYBSU2zBnjL8eCOidGEGj y2u3UoyAaIDTtpLi3xWkbMyI6XnE8ryF1KxzHJFwhBUFgGWZGkGP4nUzUSGHT+6N zoT6bseOprVN3i7TpKNCq9QW8oxZmgGYfJp0ZibrpspLjiKifZMLWCk0m43lu8dn BKNjpvPu02IZgeHtq0rX26DTeLuTzWeecZqUWnvKvOpnhxDOAeQ= =VVuT -----END PGP SIGNATURE----- --0OAP2g/MAC+5xKAE--