From owner-freebsd-arm@freebsd.org Wed Apr 24 13:06:58 2019 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 41C5A159866A for ; Wed, 24 Apr 2019 13:06:58 +0000 (UTC) (envelope-from danny@cs.huji.ac.il) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 8239E8BD31 for ; Wed, 24 Apr 2019 13:06:57 +0000 (UTC) (envelope-from danny@cs.huji.ac.il) Received: by mailman.ysv.freebsd.org (Postfix) id 4609C1598669; Wed, 24 Apr 2019 13:06:57 +0000 (UTC) Delivered-To: arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 21C6F1598668 for ; Wed, 24 Apr 2019 13:06:57 +0000 (UTC) (envelope-from danny@cs.huji.ac.il) Received: from kabab.cs.huji.ac.il (kabab.cs.huji.ac.il [132.65.116.210]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 909FF8BD2E; Wed, 24 Apr 2019 13:06:56 +0000 (UTC) (envelope-from danny@cs.huji.ac.il) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=cs.huji.ac.il; s=57791128; h=References:To:Cc:In-Reply-To:Date:Subject:Mime-Version:Content-Type:Message-Id:From; bh=m52kNYvOLrX/3+6pC8MHJfbGouyyeOb+zyk1d26cfn8=; b=kJHKeCzXVysi/F2+0q4WSX9h7GO0QceTM8kCE2hePDTJEyLuBvu+w31ubsE5/bmFPbOi2oQDdGlglcsdDE7DBqKjL7cE2FlfUhPAOxBqQwt2MsbEm6rmNzH5zoev+yLLjiuiIuuMOk1u33AB3ee2xQu0rQel4qGKRQcLooSMP1T+Zds+RrSMd4DJf3qbsA0L7oap1QX9n0G2//GcKHa6DzLNskhcuYRYeHjSfIZRbnysaxXzPnwJ1EUdd8gFkGQ7kWCzuWFCGhcSdaDnPAhb/o6u2+ftQgN4S2xNwNomH1UcYtV0L5vcP2wRlEQ2ZES0fS9UXX16OkI0NW/8EZ/2Yg==; Received: from macmini.bk.cs.huji.ac.il ([132.65.179.19]) by kabab.cs.huji.ac.il with esmtp id 1hJHbj-0007ed-Mf; Wed, 24 Apr 2019 16:06:39 +0300 From: Daniel Braniss Message-Id: <7554C2C1-9FC1-4945-AC1B-2EB115A22D4E@cs.huji.ac.il> Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.8\)) Subject: Re: i2c almost working for me, was Re: i2c still not working for me Date: Wed, 24 Apr 2019 16:06:39 +0300 In-Reply-To: <20190424131517.140d6d4839d2435e08b67d43@bidouilliste.com> Cc: "freebsd-arm@freebsd.org" , Ian Lepore To: Emmanuel Vadot References: <12F641C3-9FAA-4A3A-BA18-A7302F3A0F5E@cs.huji.ac.il> <20190409095819.c560dbc156c46e5ca0244e3e@bidouilliste.com> <23A47048-642A-481C-B7BE-B61E55F82955@cs.huji.ac.il> <20190409171604.GA4581@bluezbox.com> <6119CE3B-6042-4DDC-82BE-B0C0C7ADA838@cs.huji.ac.il> <5D4799BC-08DF-4F3D-81A4-C2D938F4AF93@cs.huji.ac.il> <20190417222601.c037efe0cb48987c81032bac@bidouilliste.com> <64b5598e2c8c7265f89a31b1f191cb1be318788a.camel@freebsd.org> <20190419100502.5546770a5795c20e3f4fa9db@bidouilliste.com> <0FDE4A01-D79E-4AFE-BA4C-3F39C4360AF8@cs.huji.ac.il> <20190424130211.7a575f57150882eb3dfabc76@bidouilliste.com> <20190424131517.140d6d4839d2435e08b67d43@bidouilliste.com> X-Mailer: Apple Mail (2.3445.104.8) X-Rspamd-Queue-Id: 909FF8BD2E X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.96 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[]; NEURAL_HAM_SHORT(-0.96)[-0.962,0] Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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, 24 Apr 2019 13:06:58 -0000 > On 24 Apr 2019, at 14:15, Emmanuel Vadot = wrote: >=20 > On Wed, 24 Apr 2019 13:02:11 +0200 > Emmanuel Vadot > = wrote: >=20 >> On Fri, 19 Apr 2019 11:35:09 +0300 >> Daniel Braniss wrote: >>=20 >>>=20 >>>=20 >>>> On 19 Apr 2019, at 11:05, Emmanuel Vadot = wrote: >>>>=20 >>>> On Fri, 19 Apr 2019 10:20:47 +0300 >>>> Daniel Braniss > = wrote: >>>>=20 >>>>>=20 >>>>>=20 >>>>>> On 18 Apr 2019, at 17:19, Ian Lepore wrote: >>>>>>=20 >>>>>> On Thu, 2019-04-18 at 10:12 +0300, Daniel Braniss wrote: >>>>>>>> On 17 Apr 2019, at 23:26, Emmanuel Vadot = >>>>>>>> wrote: >>>>>>>>=20 >>>>>>>> On Tue, 16 Apr 2019 09:16:02 +0300 >>>>>>>> Daniel Braniss > >>>>>>>> wrote: >>>>>>>>=20 >>>>>>>>>=20 >>>>>>>>>=20 >>>>>>>>>> On 11 Apr 2019, at 09:56, Daniel Braniss = >>>>>>>>>> wrote: >>>>>>>>>>=20 >>>>>>>>>> if no device is connected, I2CRDWR hangs,=20 >>>>>>>>>> it also happens with i2c(8) -s, only reboot helps. >>>>>>>>>>=20 >>>>>>>>>> ichb1: twsi_reset: Using IIC_FASTEST/UNKNOWN mode with speed >>>>>>>>>> param=3D2a >>>>>>>>>> iichb1: TWSI_WRITE: Writing 0 to 18 >>>>>>>>>> iichb1: TWSI_WRITE: Writing 2a to 14 >>>>>>>>>> iichb1: TWSI_WRITE: Writing 40 to c >>>>>>>>>> iichb1: TWSI_WRITE: Writing c4 to c >>>>>>>>>> iichb1: twsi_transfer: transmitting 2 messages >>>>>>>>>> iichb1: TWSI_READ: read f8 from 10 >>>>>>>>>> iichb1: twsi_transfer: status=3Df8 >>>>>>>>>> iichb1: twsi_transfer: msg[0] flags: 0 >>>>>>>>>> iichb1: twsi_transfer: msg[0] len: 9 >>>>>>>>>> iichb1: TWSI_WRITE: Writing e4 to c >=20 > So looking at this is seems that the "START condition transmitted" > interrupt is never triggered, I'll see to add some type of timeout > around the pause_sbt. GREAT! I was about to send you a Nanopi-neo =E2=80=A6,=20 I might just do that if you send me an address. danny >=20 >>>>>>>>>> and now it?s hung >>>>>>>>>=20 >>>>>>>>> [?] >>>>>>>>=20 >>>>>>>> I don't see that on my OrangePi One or Pine64-LTS. >>>>>>>=20 >>>>>>> well, mine is are Nanopi Neo, maybe it?s a dts issue? >>>>>>> I also have a orangepi-zero but it will take me some time to = make >>>>>>> a sdcard >>>>>=20 >>>>> I managed to boot my OrangePi Zero, and i2c -s has no issues, does = not hang. >>>>> still, with the latest (r346368) my NanoPi Neo hangs when no i2c = device is present, >>>>> so what is the difference? or where can I look? >>>>=20 >>>> Are you using the same i2c controller on both ? >>> yes, and have tested with several controllers and nanopies,=20 >>>=20 >>>> Could you paste somewhere the overlays or dts patches ? >>> cat ./allwinner/dts/12/h3-i2c.dtso >>> /dts-v1/; >>> /plugin/; >>>=20 >>> //#include "sun8i-h3-nanopi-neo.dts" >>>=20 >>> / { >>> compatible =3D "allwinner,sun8i-h3"; >>> }; >>>=20 >>> &i2c0 { >>> ##frequency =3D <50000>; >>> status =3D "okay"; >>> }; >>>=20 >>> &i2c1 { >>> ##frequency =3D <50000>; >>> status =3D "okay"; >>> }; >>>=20 >>>=20 >>=20 >> And you have hang on both i2c0 and i2c1 ? >> Also please note that i2c1 pins aren't routed on this PCB, I don't >> think that this could/should make the i2c controller hangs but ... >>=20 >> --=20 >> Emmanuel Vadot >> _______________________________________________ >> freebsd-arm@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-arm = >> To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org = " >=20 >=20 > --=20 > Emmanuel Vadot > = >