Date: Mon, 29 Mar 2021 00:36:10 +0000 From: Greg V <greg@unrelenting.technology> To: Mark Millard <marklmi@yahoo.com>, Marcin Wojtas <mw@semihalf.com> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: Any good alternative to Raspberry for Arm64? Message-ID: <13518D86-E611-4438-A405-7121D69A4E70@unrelenting.technology> In-Reply-To: <05C76F74-37E6-42D6-83B6-E5B34C920516@yahoo.com> References: <7b284f7718556f1cf0a7a205c98db6b1@pyret.net> <8F8F3491-3E1F-45C8-BF61-09F7557F48A5@googlemail.com> <265dbf9c33f4ce09c702c9d7fae93c9b@pyret.net> <D6C3F9FE-D34F-4CCB-80D6-46AC29F3AD39@gmail.com> <C166F287-91D2-408E-B43B-222D58EA52BD@googlemail.com> <FBC36A5C-3948-4EB3-B7C3-4C16C3D9119E@yahoo.com> <CAPv3WKdiQTJ%2BLSmzc5Ljk9SEAq=S%2BO2effO-10R8sDq1ytaYvg@mail.gmail.com> <05C76F74-37E6-42D6-83B6-E5B34C920516@yahoo.com>
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On March 28, 2021 11:44:25 PM UTC, Mark Millard via freebsd-arm <freebsd-a= rm@freebsd=2Eorg> wrote: >On 2021-Mar-28, at 15:52, Marcin Wojtas <mw at semihalf=2Ecom> wrote: > >> H Mark, >>=20 >> niedz=2E, 28 mar 2021 o 22:15 Mark Millard via freebsd-arm >> <freebsd-arm@freebsd=2Eorg> napisa=C5=82(a): >>>=20 >>> On 2021-Mar-28, at 12:48, Klaus K=C3=BCchemann via freebsd-arm <freebs= d-arm at freebsd=2Eorg> wrote: >>>>=20 >>>>> =2E =2E =2E >>>>=20 >>>> Anyone successfully booting from nvme on any aarch64-board ?? >>>=20 >>> As reported on the list earlier, I plugged a Optane 480 GiByte >>> into a MACCHIATObin Double Shot's PCIe in a system that's microsd >>> card had the EDK2-variant build from: >>>=20 >>> https://unrelentingtech=2Es3=2Edualstack=2Eeu-west-1=2Eamazonaws=2Ecom= /flash-image-2020-07-01-mainline-tfa=2Ebin >>>=20 >>> and the system just worked (/dev/nda0)=2E I updated the FreeBSD in >>> this configuration and that booted too=2E >>>=20 >>> (The Optane was originally initialized while in a amd64 system >>> and so was boot-ready when first plugged into an aarch64=2E) >>>=20 >>> This is not the MACCHIATObin's normal configuration and things >>> were put back to normal after the experiment=2E >>>=20 >>> The MACCHIATObin Double Shot has 4 Cortex-A72 cores=2E >>>=20 >>=20 >> MacchiatoBin has fully opensource firmware, with the mainline >> edk2/TF-A one can boot FreeBSD with DT or ACPI=2E The referenced image >> from Greg should also be fine=2E The only significant interface missing >> is the built-in PP2 NIC=2E Interestingly, OpenBSD already has a mvpp2 driver=2E I don't really have t= he motivation to port it right now, but hey, someone could=E2=80=A6 >My memory was that there was some issue of "legacy" >PCIe devices showing up as duplicated and some change >was put in that avoided that --but prevented "modern" >PCIe devices from working=2E As I remember, disabling >the change was one reason Greg created his variant: >upstream choose which type of devices it wanted to >support and Greg went the other way=2E (No one has >support covering both contexts on the MACCHIATObin >Double Short?) Last thing I remember, Marcin promised to make a setup menu toggle for the= offset ;) > removal of a headless flag in FADT=20 I don't know if that even affects anything, I probably just copied the cha= nge from somewhere, but I like it out of a pure desire for correctness=2E >There were also edk2 additions of 3 lines >involving something like: > >MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressDxe=2Einf This might've happened upstream too by now, but yes, this is necessary to = boot from NVMe=2E
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