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Re: Anyone have data sheet for AMD 2128103C PCI SMBus controller?



Hmmm, I guess this is a "nevermind".

It seems that this device is handled by the piixpm(4) driver in OpenBSD, from which we imported our piixpm(4). So I 'll just add a new entry in the match list for PCI_PRODUCT_AMD_HUDSON_SMB and it "should just work".

:)

I'll give it a try, and if it works I'll commit the changes.



On Wed, 6 Jul 2016, Paul Goyette wrote:

Additionally, I think this specific chip is the Hudson-D3 aka A75

On Wed, 6 Jul 2016, Paul Goyette wrote:

I've got a Gateway SX2185 that I'm trying to get running NetBSD. It's mostly working, but I've got two remaining issues:

1. The on-board Ethernet (RealTek 8168/8111) seems to have a problem
  receiving packets.  When I run dhcpcd it reports a "truncated packet"
  and never successfully leases an IP address.  I can "fix" this
  fairly simply by buying an add-on NIC.

2. The on-board i2c controller is not being configured.  The dmesg
  reports

  vendor 1022 product 780b (SMBus serial bus, revision 0x3a) at pci0
  dev 20 function 0 not configured


According to pcidatabase.com this is an AMD chip 2128103C, and our
src/sys/dev/pci/pcidevs shows it as a "Hudson SMBus Controller". I can't seem to find any data-sheet on this, so I have no idea if it is even close to any of our currently-supported chips.

Interestingly, many of the other on-board devices on this machine are also "HUDSON" devices, including ahcisata, [xeo]hci USB controllers, and the first pcib0, all of which are properly configured.

So, does anyone know if the SMBus controller in this HUDSON chip is supported? Or if it would be "close" to something we already support?

Thanks in advance!


+------------------+--------------------------+------------------------+
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:      |
| (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com   |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org |
+------------------+--------------------------+------------------------+





+------------------+--------------------------+------------------------+
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:      |
| (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com   |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org |
+------------------+--------------------------+------------------------+

!DSPAM:577c49bc112344133176086!



+------------------+--------------------------+------------------------+
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:      |
| (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com   |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org |
+------------------+--------------------------+------------------------+


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