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[46.114.185.233]) by smtp.googlemail.com with ESMTPSA id r15-20020a170906c28f00b0073d87068042sm1250672ejz.110.2022.09.27.12.48.43 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Sep 2022 12:48:44 -0700 (PDT) From: =?utf-8?Q?Klaus_K=C3=BCchemann?= 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 \(3696.120.41.1.1\)) Subject: Re: u-boot debug, was: Re: U-boot on RPI3, sees disk but won't boot it Date: Tue, 27 Sep 2022 21:48:42 +0200 References: <20220921154240.GA37735@www.zefox.net> <8CC2A42B-21AC-44C6-BD02-44D320CADF63@yahoo.com> <20220921175026.GA45144@www.zefox.net> <5DB9C93B-B9E1-418D-ABA3-8A0CFCE85C0F@yahoo.com> <3781CF46-C4F7-4579-8655-B7558B724C0A@yahoo.com> <20220922014500.GA46697@www.zefox.net> <20220925160531.GA63213@www.zefox.net> <20220925193415.GA63733@www.zefox.net> <3D6CF13E-261D-41D2-AC5B-923C0BF54087@yahoo.com> <20220927160328.GA71742@www.zefox.net> <67C09E9F-AD1D-4D0D-9E6F-9C1B046D8952@googlemail.com> <4154AFCB-7428-4005-843A-4EF8C0EBCCB8@googlemail.com> To: Mark Millard , bob prohaska , freebsd-arm@freebsd.org In-Reply-To: Message-Id: <9A3609DF-D873-4712-A61D-C351C162EF2A@googlemail.com> X-Mailer: Apple Mail (2.3696.120.41.1.1) X-Rspamd-Queue-Id: 4McVYV1Cllz488w X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=googlemail.com header.s=20210112 header.b="QTu/SgVz"; dmarc=pass (policy=quarantine) header.from=googlemail.com; spf=pass (mx1.freebsd.org: domain of maciphone2@googlemail.com designates 2a00:1450:4864:20::62e as permitted sender) smtp.mailfrom=maciphone2@googlemail.com X-Spamd-Result: default: False [-3.50 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; MV_CASE(0.50)[]; DMARC_POLICY_ALLOW(-0.50)[googlemail.com,quarantine]; R_DKIM_ALLOW(-0.20)[googlemail.com:s=20210112]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DWL_DNSWL_NONE(0.00)[googlemail.com:dkim]; RCPT_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::62e:from]; RCVD_COUNT_THREE(0.00)[3]; FREEMAIL_FROM(0.00)[googlemail.com]; TO_DN_SOME(0.00)[]; RCVD_TLS_LAST(0.00)[]; DKIM_TRACE(0.00)[googlemail.com:+]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_TO(0.00)[yahoo.com,www.zefox.net,freebsd.org]; FREEMAIL_ENVFROM(0.00)[googlemail.com]; MIME_TRACE(0.00)[0:+]; MLMMJ_DEST(0.00)[freebsd-arm@freebsd.org] X-ThisMailContainsUnwantedMimeParts: N > Am 27.09.2022 um 21:20 schrieb Mark Millard : >=20 > On 2022-Sep-27, at 11:33, Klaus K=C3=BCchemann = wrote: >=20 >=20 >>> Am 27.09.2022 um 19:58 schrieb Klaus K=C3=BCchemann = : >>>=20 >>>=20 >>>> Am 27.09.2022 um 18:03 schrieb bob prohaska : >>>>=20 >>>> I did look at common/usb.c but it's far from obvious how one >>>> can turn on the logging feature so as to report more errors >>>> to the console. >>>=20 >>> you can add the following to common/usb.c (e.g. insert in line 44): >>>=20 >>> #define DEBUG >>>=20 >>> -- >>>=20 >>> that should then print out all debug functions inside the usb.c file = to the console=20 >>> after recompilation of u-boot. >>>=20 >>> Regards >>>=20 >>> Klaus >>=20 >> I saw there is /*#include */ available in usb.c=20 >> so you could also try to add : >>=20 >> #define LOG_DEBUG >>=20 >> to the common/usb.c file which should also then enable the debug = functions >> which then would be output in logging style. >>=20 >> You will need the debug output to to narrow down the issue. >>=20 >> just a guess :=20 >> electrical problem(of the Pi itself) which could perhaps be fixed by = manipulating the scan delay time . >=20 > Looks to me like: >=20 > https://github.com/u-boot/u-boot/blob/master/common/usb_hub.c >=20 > might be relevant, not just: >=20 > https://github.com/u-boot/u-boot/blob/master/common/usb.c >=20 >=20 > For example, usb_hub.c is where usb_pgood_delay is involved. > (My patch to enable my boot media assigns that, not that > such helped Bob.) >=20 > But I've not been able to uniquely identify all the specific > identifiers for all the (relevant) "usb boot scan delays", > although I'd expect that pgood_delay (and its usb_pgood_delay) > would be considered an example. >=20 > =3D=3D=3D > Mark Millard > marklmi at yahoo.com good idea, I would then suggest to enable debug also in common/usb_hub.c by adding #define DEBUG or #define LOG_DEBUG .. for the usb.c I=E2=80=99d expect something from the mdelay function as = an usb scan timer.. so let=E2=80=99s see what debug logs usb.c & usb_hub.c will spit out = .. Regards=20 Klaus