Date: Sun, 31 May 2020 00:49:35 +0000 From: myfreeweb <greg@unrelenting.technology> To: =?ISO-8859-1?Q?Klaus_K=FCchemann?= <maciphone2@googlemail.com>, freebsd-arm@freebsd.org Subject: Re: rpi4-uefi.dev Re: RaspberryPi 4B 8G model not boot Message-ID: <53680CD3-4FE9-42C9-A534-416A71263A08@unrelenting.technology> In-Reply-To: <83980CE0-276E-4DD9-B035-5ED2B561324B@googlemail.com> References: <20200530.130909.120260481726933388.shigeru@os-hackers.jp> <D174CF68-09DC-48E0-A25A-321D2018908D@googlemail.com> <50DC156A-CA39-4809-85B7-02A5180DAB63@yahoo.com> <F3909CAB-488C-4315-ADFD-E769CD91C8B9@googlemail.com> <2DE76C92-8F4B-4658-94E4-FB7C7B7C6135@googlemail.com> <0AD80BEF-AA71-41F0-AD71-DF8516B790D9@yahoo.com> <67808784-29A6-4BC2-9B25-E31DE6DA862A@googlemail.com> <20C49D55-9940-422F-9699-4C56CFCF281B@unrelenting.technology> <83980CE0-276E-4DD9-B035-5ED2B561324B@googlemail.com>
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On May 30, 2020 9:37:22 PM UTC, "Klaus K=C3=BCchemann" <maciphone2@googlem= ail=2Ecom> wrote: >=2E=2E O=2EK=2E, why do we do an acpi-split if there=E2=80=99s nothing el= se than PNP0D10 in it ?=20 >NetBSD & OpenBSD don=E2=80=99t do that file-split , afaik They don't have driver inheritance=2E We do, so the usual pattern for devi= ces available with both acpi and fdt is to have them inherit from a common = driver that doesn't attach=2E >> Looks like the problem is that the PCIe controller isn't getting initia= lized, >pcie isn`t exposed ( to the OS) in RPI4UEFI-dev , that=E2=80=99s what @An= drejWarkentin told us =E2=80=A6 >And he told us what to do (in general, while not the easiest to understan= d ;-) Yep=2E Something has to initialize the actual controller though, that's wh= at _INI does=2E So the OS runs the AML bytecode and initializes PCIe withou= t even knowing PCIe exists=2E I'll maybe look into this again soon=2E >( attention : QWord ) >cutoff of an OpenBSD-file : >xhci_acpi_parse_resources That looks like just OpenBSD weirdness, the resources should be handled by= generic acpi code=2E >to anticipate it: if we have solved this problem, we will probably end up= on vfs_mountroot because the uSD driver is not recognized under acpi, afai= k Screw uSD, I just put the OS on a USB stick and only the firmware on uSD= =2E
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