Intel 6300ESB (ICH) SMBus controller not working
Doug White
dwhite at gumbysoft.com
Thu Apr 14 10:38:54 PDT 2005
On Tue, 12 Apr 2005, Philip Murray wrote:
> Hi,
>
> I'm running RELENG_5 on a Dell PowerEdge 750 and the ichsmb driver
> doesn't want to work with it, I get the following on boot:
>
> ichsmb0: <Intel 6300ESB (ICH) SMBus controller> port 0x8c0-0x8df irq 17
> at device 31.3 on pci0
> device_attach: ichsmb0 attach returned 6
>
> It then doesn't load smb or smbus. I had a look in the source and it is
> supposed to work with this controller.
>
> Is this something wrong with the driver? or have I left out some bit of
> configuration?
>
> Attached is the output from boot -v and my kernel configuration. Is
> there any other debugging output that would be useful?
According to the boot -v messages the I/O range map is getting attached to
the wrong function on that chip:
found-> vendor=0x8086, dev=0x25a3, revid=0x02
bus=0, slot=31, func=2
class=01-01-8a, hdrtype=0x00, mfdev=0
cmdreg=0x0005, statreg=0x02a8, cachelnsz=0 (dwords)
lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
intpin=a, irq=255
map[20]: type 4, range 32, base 000008c0, size 5, enabled
but it should be on this:
ichsmb0: <Intel 6300ESB (ICH) SMBus controller> port 0x8c0-0x8df irq 17 at
device 31.3 on pci0
I'll poke at this a bit, but you should check for a BIOS update.
--
Doug White | FreeBSD: The Power to Serve
dwhite at gumbysoft.com | www.FreeBSD.org
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