[lm-sensors] [PATCH] sensors-detect: Add detection of AMD family 12h and 14h temperature sensors
clemens at ladisch.de
Fri Feb 18 13:29:06 CET 2011
Jean Delvare wrote:
> That being said, I'm a little curious about a couple things. Why
> PCI_DEVICE_ID_AMD_CNB17H_F3 and PCI device ID 0x1703 if the supported
> CPUs are family 12h and 14h (and not 17h)?
This is what AMD calls it: <http://git.kernel.org/linus/ca86828ccd31>.
There is no fixed relation between PCI IDs and family numbers. I'd
guess this symbol is named differently because there is no single
family; "CNB" probably stands for "common northbridge".
> What about PCI_DEVICE_ID_AMD_15H_NB_MISC (PCI device ID 0x1603)? No
> thermal sensors here?
If I had to guess, I'd assume that it uses the same sensor. However,
AMD hasn't yet published documentation for the Bulldozer family.
> How comes that PCI_DEVICE_ID_AMD_15H_NB_MISC is listed in
> arch/x86/kernel/amd_nb.c but PCI_DEVICE_ID_AMD_CNB17H_F3 is not?
The file name seems to be misleading; that code actually manages only
the L3 cache and the GART, and family 12h/14h CPUs have neither.
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