Date: Fri, 30 Sep 2022 10:07:12 -0700 From: Mark Millard <marklmi@yahoo.com> To: =?utf-8?Q?Klaus_K=C3=BCchemann?= <maciphone2@googlemail.com> Cc: bob prohaska <fbsd@www.zefox.net>, freebsd-arm@freebsd.org, Hans Petter Selasky <hps@selasky.org> Subject: Re: u-boot debug, was: Re: U-boot on RPI3, sees disk but won't boot it Message-ID: <70ABF108-762D-42B5-8233-04C2BC935892@yahoo.com> In-Reply-To: <45CD14FA-A03E-45D4-A71D-A9E8E4FFEB24@googlemail.com> References: <A8C2BA4E-4520-4B34-9614-DDC4D8BEB097@yahoo.com> <6AA65AE6-41F1-405F-A592-7D641EA4C9CF@yahoo.com> <E3A1C678-8C47-4283-9F9F-4C9011DB8A2B@yahoo.com> <20220929054120.GA77803@www.zefox.net> <D7A62820-4928-49F0-8387-C1E6D998B121@yahoo.com> <ABFBD0E6-8A9B-4C99-84DF-BF398F23678A@yahoo.com> <20220929151926.GA80020@www.zefox.net> <F316420B-C7AF-4131-9734-06117FFE212D@yahoo.com> <20220929170927.GB80020@www.zefox.net> <6C5019EC-B4A8-448F-9A85-4A98BC46F7DD@yahoo.com> <20220930002742.GA81169@www.zefox.net> <7A431698-1A8C-44BA-AFA2-EF5BAA69574F@googlemail.com> <45CD14FA-A03E-45D4-A71D-A9E8E4FFEB24@googlemail.com>
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On 2022-Sep-30, at 09:53, Klaus K=C3=BCchemann =
<maciphone2@googlemail.com> wrote:
> Am 30.09.2022 um 18:40 schrieb Klaus K=C3=BCchemann =
<maciphone2@googlemail.com>:
>>=20
>> =E2=80=A6
>>=20
>=20
> well, since you seem to always get a successful drive detection by =
manually reset USB on the u-boot prompt:
>=20
> A crude, dirty idea in pseudo-code which would never been accepted as =
a valid patch , lol :-). :
>=20
> if ( connectionSpeed=3D=3D1,5MB) {
> usb_hub_port_reset();
> }
> =E2=80=A6 or manipulating the delays=E2=80=A6.
>=20
But after the manual reset USB there are 3 types of
result of attempting to boot:
A) Boots normally.
B) The RPi3B resets, starting with the RPi* firmware again,
so the issues might repeat.
C) The RPi3B hangs.
See:
=
https://lists.freebsd.org/archives/freebsd-arm/2022-September/001841.html
So there would end up being more to it before it was
reliable for Bob.
=3D=3D=3D
Mark Millard
marklmi at yahoo.com
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