diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2013-03-18 11:20:12 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2013-03-18 11:20:12 +0000 |
| commit | 47cc57cd9ac7419f42bd6f58e522c4c100be929b (patch) | |
| tree | 1c5942088da633d5a72dafe4ffacb699148a18ab /sys/dev | |
| parent | 1fa75b4f2bd2be043d18261e8016ca4908199c6e (diff) | |
gen6+ can do 40 bit addressing
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/agp_i810.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/sys/dev/pci/agp_i810.c b/sys/dev/pci/agp_i810.c index 1f062d42778..dec2d8404a9 100644 --- a/sys/dev/pci/agp_i810.c +++ b/sys/dev/pci/agp_i810.c @@ -1,4 +1,4 @@ -/* $OpenBSD: agp_i810.c,v 1.72 2013/03/18 11:14:44 jsg Exp $ */ +/* $OpenBSD: agp_i810.c,v 1.73 2013/03/18 11:20:11 jsg Exp $ */ /*- * Copyright (c) 2000 Doug Rabson @@ -946,14 +946,19 @@ intagp_write_gtt(struct agp_i810_softc *isc, bus_size_t off, paddr_t v) if (v != 0) { pte = v | INTEL_ENABLED; /* 965+ can do 36-bit addressing, add in the extra bits */ - if (isc->chiptype == CHIP_I965 || - isc->chiptype == CHIP_G4X || - isc->chiptype == CHIP_PINEVIEW || - isc->chiptype == CHIP_G33 || - isc->chiptype == CHIP_IRONLAKE || - isc->chiptype == CHIP_SANDYBRIDGE || - isc->chiptype == CHIP_IVYBRIDGE) { + switch (isc->chiptype) { + case CHIP_I965: + case CHIP_G4X: + case CHIP_PINEVIEW: + case CHIP_G33: + case CHIP_IRONLAKE: pte |= (v & 0x0000000f00000000ULL) >> 28; + break; + /* gen6+ can do 40 bit addressing */ + case CHIP_SANDYBRIDGE: + case CHIP_IVYBRIDGE: + pte |= (v & 0x000000ff00000000ULL) >> 28; + break; } } |