https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235944
--- Comment #12 from Conrad Meyer <c...@freebsd.org> ---
(In reply to Greg V from comment #11)
> (In reply to Conrad Meyer from comment #9)
>
> This is first gen Zen (R7 1700, X370). I'm not sure what qualifies as
> interesting, but here's its description:
Nvm, I thought you might have zen2 for some reason. I have the same device
with zen1 X390 and it seems to work fine here:
intsmb0 pnpinfo vendor=0x1022 device=0x790b subvendor=0x1849
subdevice=0xffff class=0x0c0500 at slot=20 function=0 dbsf=pci0:0:20:0
handle=\_SB_.PCI0.D07C
ACPI I/O ports:
0xb00-0xb0f
smbus0
jedec_dimm0 at addr=0xa2
jedec_dimm1 at addr=0xa6
jedec_dimm2 at addr=0xaa
jedec_dimm3 at addr=0xae
(Different subvendor/subdevice? Not sure that matters.) Same I/O port range.
My SPD addresses are at different locations, but that is expected.
> intsmb0 pnpinfo vendor=0x1022 device=0x790b subvendor=0x1462
> subdevice=0x7a33 class=0x0c0500 at slot=20 function=0 dbsf=pci0:0:20:0
> handle=\_SB_.PCI0.D028
> ACPI I/O ports:
> 0xb00-0xb0f
> smbus0
> jedec_dimm0 at addr=0xa4
> jedec_dimm1 at addr=0xa6
> FreeBSD source calls 790b 'AMDCZ'.
Yeah, it is an old piece of IP, introduced in family 15h model ~70h ("Carrizo"
APU, I guess). They reuse it in Zen.
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