FreeBSD on Layerscape/QorIQ LX2160X

[Dan Kotowski]

> > > > > What patches are we applying right now? I think some new builds would be good, including one with
> > > > > all the stuff we've fixed - like AHCI - but with the NXP PCIe code so I can test on the old
> > > > > firmware. If I'm keeping track correctly, this includes:
> > > > >
> > > > > -   D20835: enable tagged pointers
> > > > > -   D20974: Port sbsawdt drive from NetBSD
> > > > > -   D21017: armv8crypto: add AES-XTS support
> > > > > -   D24423: arm/pmu: add ACPI attachment, more FDT names
> > > > >
> > > > > These are not directly related to running on NXP, just random improvements :)
> > > > >
> > > > > -   D25145: acpi_resource: support multiple IRQs
> > > > > -   D25157: ahci_generic: add quirk for NXP0004
> > > > > -   D25179: acpi_iort: fix mapping end calculation
> > > > >
> > > > > Yes, these three.
> > > > > Here's the pci_layerscape patch:
> > > > > https://github.com/DankBSD/base/commit/c1ea44aa33b29f74daed89eee82b3dfeb105d376.patch
> > > > > If we haven't tried it + acpi_iort fix before, which is quite likely, maybe that's a combination
> > > > > that would work.
> > > > > (I remember when we tried it only, there was only the same interrupt problem as usual..)
> > > > > It's honestly kinda weird that "old" FW requires the custom controller access while "new" FW
> > > > > requires not doing it >_<
> > > >
> > > > Any tips on where to add verbosity to dmesg during boot? You had a handful of extras in there to
> > > > print things things from the IORT.
> > >
> > > That thing is here:
> > > https://github.com/freebsd/freebsd/blob/6cee1596c05e8a9ab64812444627b61c584ca6bc/sys/arm64/acpica/acpi_iort.c#L169
> > >
> >
> > Well, at least we're stable enough to buildworld and buildkernel on-system! :partyparrot:
> > Waiting on a new SSD, but building on a USB uSD:
> >
> > > > > World build completed on Wed Jul 8 02:47:59 UTC 2020
> > > > > World built in 6897 seconds, ncpu: 16, make -j16
> >
> > Forgot to copy off the buildkernel time, but it was just under 900 seconds.
> > Interestingly, we have real temp readouts from thermal zones, which is new. Did I add something back in that we had previously removed?
>
> Here's something:https://gist.github.com/agrajag9/11efe00514513100232999e0a9ec612c
>
> NVMe is working. It mapped an interrupt. I have no idea what changed to make this work other than compiling my own kernel. I applied the 7 patches above and added a bunch of my own debug printfs (dmesg.boot lines beginning with A9DEBUG), but it's the same POC ECAM firmware we've been using for a while. I'll test with the HBA later this week - it's currently in use elsehwere in my homelab doing zfs send|receive things.

PCIe slot is confirmed working as well!

https://gist.github.com/agrajag9/9958d04d647fdddaf0d5865618f47130

@Marcin - any update on the fsl_sdhci driver rework you mentioned in May? Is the plan to keep the separate driver or merge it into the generic sdhci and use quirks? I dove in this past weekend comparing ours with NetBSDs and they're just using quirks.

https://lists.freebsd.org/pipermail/freebsd-arm/2020-May/021709.html

There's also a copy of the DSDT here with both onboard uSD and eMMC:

https://source.codeaurora.org/external/qoriq/qoriq-components/edk2-platforms/tree/Platform/NXP/LX2160aRdbPkg/AcpiTables/Dsdt/Esdhc.asl?h=LX2160_UEFI_ACPI_EAR3