From owner-freebsd-arm@freebsd.org Wed Jan 15 21:09:06 2020 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 20BE31FD89A for ; Wed, 15 Jan 2020 21:09:06 +0000 (UTC) (envelope-from freebsdnewbie@freenet.de) Received: from mout0.freenet.de (mout0.freenet.de [IPv6:2001:748:100:40::2:2]) (using TLSv1.2 with cipher ECDHE-RSA-CHACHA20-POLY1305 (256/256 bits)) (Client CN "*.freenet.de", Issuer "TeleSec ServerPass Class 2 CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47yg1F21gRz41yv for ; Wed, 15 Jan 2020 21:09:04 +0000 (UTC) (envelope-from freebsdnewbie@freenet.de) Received: from [195.4.92.165] (helo=mjail2.freenet.de) by mout0.freenet.de with esmtpa (ID freebsdnewbie@freenet.de) (port 25) (Exim 4.92 #3) id 1irpuQ-0007Nv-0T; Wed, 15 Jan 2020 22:09:02 +0100 Received: from [::1] (port=40988 helo=mjail2.freenet.de) by mjail2.freenet.de with esmtpa (ID freebsdnewbie@freenet.de) (Exim 4.92 #3) id 1irpuP-00039i-W3; Wed, 15 Jan 2020 22:09:01 +0100 Received: from sub7.freenet.de ([195.4.92.126]:50346) by mjail2.freenet.de with esmtpa (ID freebsdnewbie@freenet.de) (Exim 4.92 #3) id 1irpsG-0002qY-Aj; Wed, 15 Jan 2020 22:06:48 +0100 Received: from p4fd9ee8f.dip0.t-ipconnect.de ([79.217.238.143]:37138 helo=freebsd-t450.fritz.box) by sub7.freenet.de with esmtpsa (ID freebsdnewbie@freenet.de) (TLSv1.2:ECDHE-RSA-CHACHA20-POLY1305:256) (port 465) (Exim 4.92 #3) id 1irpsF-0006ll-Re; Wed, 15 Jan 2020 22:06:48 +0100 Date: Wed, 15 Jan 2020 22:06:47 +0100 From: Manuel =?ISO-8859-1?Q?St=FChn?= To: Hans Bentum Cc: freebsd-arm@freebsd.org Subject: Re: How to get pin to mode 6 on beagle bone black Message-Id: <20200115220647.1958e8639dc718e714775fed@freenet.de> In-Reply-To: References: X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; amd64-portbld-freebsd12.0) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Originated-At: 79.217.238.143!37138 X-Rspamd-Queue-Id: 47yg1F21gRz41yv X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of freebsdnewbie@freenet.de designates 2001:748:100:40::2:2 as permitted sender) smtp.mailfrom=freebsdnewbie@freenet.de X-Spamd-Result: default: False [-1.69 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[freenet.de]; R_SPF_ALLOW(-0.20)[+ip6:2001:748:100:40::2:0/112]; MV_CASE(0.50)[]; RCPT_COUNT_TWO(0.00)[2]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[freenet.de]; ASN(0.00)[asn:5430, ipnet:2001:748::/32, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; RECEIVED_SPAMHAUS_PBL(0.00)[143.238.217.79.khpj7ygk5idzvmvt5x4ziurxhy.zen.dq.spamhaus.net : 127.0.0.10]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.89)[-0.894,0]; RCVD_COUNT_FIVE(0.00)[5]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.999,0]; MIME_GOOD(-0.10)[text/plain]; IP_SCORE(0.00)[ip: (-0.28), ipnet: 2001:748::/32(-0.25), asn: 5430(-0.28), country: DE(-0.02)]; DMARC_NA(0.00)[freenet.de]; IP_SCORE_FREEMAIL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2.0.0.0.2.0.0.0.0.0.0.0.0.0.0.0.0.4.0.0.0.0.1.0.8.4.7.0.1.0.0.2.list.dnswl.org : 127.0.5.0]; RCVD_TLS_LAST(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: Wed, 15 Jan 2020 21:09:06 -0000 On Wed, 15 Jan 2020 10:50:20 +0100 Hans Bentum wrote: > Hello, >=20 > I tried several things to put pin 8_16 into mode 6 for usage by the PRU f= or > high speed IO. > Up to now without any luck. I am using FreeBSD 12.1 >=20 > Question: how can I put a pin on beagle bone black to mode 6? >=20 I've sucessfully run the PRU reading PRU-GPIN with a very similar setup as = you describe and don't see why it should not work.=20 Please try to gather some additional information: - How are the gpio-pins actually assigned. This can be observed by booting = in verbose mode (boot -v).=20 - How does the actual used devicetree look like (sysctl -b hw.fdt.dtb | dtc= -I dtb -O dts | less) [... snip ...] > I also tried to set the pinmux using the pru but no luck (as expected). > https://vadl.github.io/beagleboneblack/2016/07/29/setting-up-bbb-gpio >=20 > #define P8_16 0x44E10838 > MOV r2, 0x26 // val > MOV r0, P8_16 // address > SBBO r2, r0, 0, 4 // store IIRC: You would have to enable OCP master ports in order to enable the PRU = to write outside of its memory area. --=20 Manuel St=FChn