Author: delphij
Date: Thu May 5 19:15:15 2011
New Revision: 221509
URL: http://svn.freebsd.org/changeset/base/221509
Log:
Detect and set Atom's Tj(max) to 90 if it's not the 45nm D400/D500/N400
series.
MFC after: 2 weeks
Modified:
head/sys/dev/coretemp/coretemp.c
Modified: head/sys/dev/coretemp/coretemp.c
==============================================================================
--- head/sys/dev/coretemp/coretemp.c Thu May 5 18:56:48 2011 (r221508)
+++ head/sys/dev/coretemp/coretemp.c Thu May 5 19:15:15 2011 (r221509)
@@ -197,6 +197,15 @@ coretemp_attach(device_t dev)
default: /* Unknown stepping */
break;
}
+ } else if (cpu_model == 0x1c) {
+ switch (cpu_stepping) {
+ case 0xa: /* 45nm Atom D400, N400 and D500 series */
+ sc->sc_tjmax = 100;
+ break;
+ default:
+ sc->sc_tjmax = 90;
+ break;
+ }
} else {
/*
* Attempt to get Tj(max) from MSR IA32_TEMPERATURE_TARGET.