Date: Sun, 18 Sep 2016 16:05:47 +0200 From: "O. Hartmann" <ohartman@zedat.fu-berlin.de> To: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: CURRENT: SMBus controller driver for AMD APU GX-412TC SOC Message-ID: <20160918160547.188cc061.ohartman@zedat.fu-berlin.de>
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Running a recent CURRENT (FreeBSD 12.0-CURRENT #11 r305903: Sat Sep 17 20:3=
0:19 CEST
2016) on a PCengines APU 2C4, I see no driver adapted to the SMBus of the s=
ystem,
although I have the driver statically linked into the kernel via
[...]
# System Management Bus
device smbus
device smb # SMB generic I/O device driver
device ichsmb # Intel ICH SMBus controller driver
device amdsmb # AMD-8111 SMBus 2.0 controller driver
device iicsmb #
device iicbus
device iicbb
device iic
device ic
[...]
pciconf -lvbp shows up this message:
[...]
none1@pci0:0:20:0: class=3D0x0c0500 card=3D0x780b1022 chip=3D0x780b102=
2 rev=3D0x42 hdr=3D0x00
vendor =3D 'Advanced Micro Devices, Inc. [AMD]'
device =3D 'FCH SMBus Controller'
class =3D serial bus
subclass =3D SMBus
So, I guess CURRENT doesn't have a driver covering this type of system? Or =
do I miss
something here?
I also see a very strange, mysterious and interesting feature, also not att=
ached with a
driver:
none0@pci0:0:8:0: class=3D0x108000 card=3D0x15371022 chip=3D0x1537102=
2 rev=3D0x00 hdr=3D0x00
vendor =3D 'Advanced Micro Devices, Inc. [AMD]'
class =3D encrypt/decrypt
bar [10] =3D type Prefetchable Memory, range 64, base 0xfea00000, siz=
e 131072, enabled
bar [18] =3D type Memory, range 32, base 0xfe800000, size 1048576, en=
abled
bar [1c] =3D type Memory, range 32, base 0xfea24000, size 4096, enabl=
ed
bar [20] =3D type Memory, range 32, base 0xfe900000, size 1048576, en=
abled
bar [24] =3D type Memory, range 32, base 0xfea20000, size 8192, enabl=
ed
cap 11[50] =3D MSI-X supports 2 messages
Table in map 0x24[0x0], PBA in map 0x24[0x1000]
cap 08[5c] =3D HT MSI fixed address window enabled at 0xfee00000
cap 01[60] =3D powerspec 3 supports D0 D3 current D0
Encrypt/decrypt? What is this?
Thanks for your patience and enlighting me,
Oliver
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