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| author | avg <avg@FreeBSD.org> | 2012-04-08 19:58:38 +0000 |
|---|---|---|
| committer | avg <avg@FreeBSD.org> | 2012-04-08 19:58:38 +0000 |
| commit | d41eccd983383caffb50bd5308ca9adf56975a89 (patch) | |
| tree | 720be8419b52ebc3ea9095ef0ab83d0f1537e4c8 | |
| parent | e30063988b160bdc4b0a4f43224d48d56008c547 (diff) | |
| download | FreeBSD-src-d41eccd983383caffb50bd5308ca9adf56975a89.zip FreeBSD-src-d41eccd983383caffb50bd5308ca9adf56975a89.tar.gz | |
intpm: reflect the fact that SB800 and later AMD chipsets are not supported
They do not have compatible configuration registers in PCI configuration
space. Instead their configuration resides in AMD "PM I/O" space
(accessed via a pair of I/O space registers).
MFC after: 5 days
| -rw-r--r-- | sys/pci/intpm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/pci/intpm.c b/sys/pci/intpm.c index 565b5a2..375a56f 100644 --- a/sys/pci/intpm.c +++ b/sys/pci/intpm.c @@ -99,6 +99,9 @@ intsmb_probe(device_t dev) device_set_desc(dev, "Intel PIIX4 SMBUS Interface"); break; case 0x43851002: + /* SB800 and newer can not be configured in a compatible way. */ + if (pci_get_revid(dev) >= 0x40) + return (ENXIO); device_set_desc(dev, "AMD SB600/700/710/750 SMBus Controller"); /* XXX Maybe force polling right here? */ break; |
