diff options
| author | Dariusz Swiderski <dms@cvs.openbsd.org> | 2009-07-27 11:28:56 +0000 |
|---|---|---|
| committer | Dariusz Swiderski <dms@cvs.openbsd.org> | 2009-07-27 11:28:56 +0000 |
| commit | 03c7d1193db9d2be84b3bda312af139ce6fa0b2e (patch) | |
| tree | eb72ddabe93525dde9f92d1c66a870d7b2aa2ac9 /sys/arch | |
| parent | d68a576257b3d0aeb1cb5ae1cdd2f36c1580d473 (diff) | |
add bus speed recognition on Nehalem based cpus, this
makes Enhanced SpeedStep work on new machines, but requires
acpimadt0 to be enabled.
ok by jsg@ and claudio@
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/amd64/amd64/est.c | 5 | ||||
| -rw-r--r-- | sys/arch/i386/i386/machdep.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/sys/arch/amd64/amd64/est.c b/sys/arch/amd64/amd64/est.c index 6eed7d27070..b1a3bee44d9 100644 --- a/sys/arch/amd64/amd64/est.c +++ b/sys/arch/amd64/amd64/est.c @@ -1,4 +1,4 @@ -/* $OpenBSD: est.c,v 1.13 2009/06/08 23:18:05 gwk Exp $ */ +/* $OpenBSD: est.c,v 1.14 2009/07/27 11:28:55 dms Exp $ */ /* * Copyright (c) 2003 Michael Eriksson. * All rights reserved. @@ -196,6 +196,9 @@ p3_get_bus_clock(struct cpu_info *ci) break; } break; + case 0x1a: /* Nehalem based Core i7 and Xeon */ + bus_clock = BUS133; + break; case 0x1c: /* Atom */ msr = rdmsr(MSR_FSB_FREQ); bus = (msr >> 0) & 0x7; diff --git a/sys/arch/i386/i386/machdep.c b/sys/arch/i386/i386/machdep.c index 2969cc3413c..ea65c0cd522 100644 --- a/sys/arch/i386/i386/machdep.c +++ b/sys/arch/i386/i386/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.453 2009/06/15 17:01:26 beck Exp $ */ +/* $OpenBSD: machdep.c,v 1.454 2009/07/27 11:28:55 dms Exp $ */ /* $NetBSD: machdep.c,v 1.214 1996/11/10 03:16:17 thorpej Exp $ */ /*- @@ -2021,6 +2021,9 @@ p3_get_bus_clock(struct cpu_info *ci) goto print_msr; } break; + case 0x1a: /* Nehalem based Core i7 and Xeon */ + bus_clock = BUS133; + break; case 0x1c: /* Atom */ msr = rdmsr(MSR_FSB_FREQ); bus = (msr >> 0) & 0x7; |