Date: Sat, 28 Mar 2020 23:28:05 +0100 From: =?utf-8?Q?Klaus_K=C3=BCchemann?= <maciphone2@googlemail.com> To: Greg V <greg@unrelenting.technology>, freebsd-arm@freebsd.org Subject: Re: Switch to UEFI Re: CFT: alpha test of Ethernet driver for RPi4 Message-ID: <964BBCA2-5EE1-4673-966E-63D37FEDB4EA@googlemail.com> In-Reply-To: <57d4ba4ef95eeaf382d2c0b2407e9dab@unrelenting.technology> References: <AA1CAD4B-2275-4988-A533-203D91808DE2@googlemail.com> <202003281622.02SGMcmi027728@mail.karels.net> <57d4ba4ef95eeaf382d2c0b2407e9dab@unrelenting.technology>
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> Am 28.03.2020 um 23:15 schrieb greg@unrelenting.technology: >=20 > March 29, 2020 12:23 AM, "Klaus K=C3=BCchemann via freebsd-arm" = <freebsd-arm@freebsd.org> wrote: >=20 >> I`m also working on pi4 a little while not ready=E2=80=A6 >> I recommend to switch the whole RPI-thing to UEFI/ ACPI, J.McNeill is = working on that , afaik=E2=80=A6 >=20 > He's working on NetBSD a lot, but not on FreeBSD. He is working on RPiUefi/TianoCore and NetBSD is the only OS which has = already integrated=20 the Ethernet driver into UEFI with a published Mac-Adress >=20 >> So next step I see is to implement ACPI-xhci-driver since = FreeBSD-boot PANICS on xhci- >=20 > That's not "implement a driver", that's "fix a bug" :) > I was looking into this a month ago.. > For some reason reading from the XHCI's memory space returns junk like = 0xdead. > And seems like nobody has seen that problem on NetBSD or Linux. > I'll test this a bit more now. I know the exact place where it panics(IRQ-message) and=20 at first glance I would say: the driver is incomplete and not fully = implemented(only for allwinner) , but let`s take a closer look there and = work on it =E2=80=A6 >=20 > Once we get that working, and the Ethernet driver port is published, I = could add ACPI attachment to the Ethernet driver. >=20 >> The good news is that I first saw USB working in UEFI-boot...=E2=80=A6t= he ethernet driver should then later >> correspond or to be integrated into UEFI =E2=80=A6 nice to boot from = a =E2=80=9EBios=E2=80=9C -style menu with a plugged >> USB-keyboard... >=20 > Yeah, eventually there's going to be a NetBSD-derived Ethernet driver = in UEFI for network booting. Yes, afaik they are planning to do that Klaus=
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