[openfirmware] [commit] r1862 - cpu/x86/pc/olpc/via

[repository service]

Author: wmb
Date: Tue Jul  6 10:23:04 2010
New Revision: 1862
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1862

Log:
OLPC XO-1.5 - CPU selftest - check the CPU voltage requirements to catch the possibility of a CPU the requires a different voltage than the one we provide.

Modified:
   cpu/x86/pc/olpc/via/devices.fth

Modified: cpu/x86/pc/olpc/via/devices.fth
==============================================================================
--- cpu/x86/pc/olpc/via/devices.fth	Sat Jul  3 23:45:15 2010	(r1861)
+++ cpu/x86/pc/olpc/via/devices.fth	Tue Jul  6 10:23:04 2010	(r1862)
@@ -144,6 +144,21 @@
 fload ${BP}/cpu/x86/pc/cpunode.fth
 fload ${BP}/cpu/x86/k6cputest.fth	\ Burnin test for K6 CPU
 
+\ Amend the CPU selftest method to check for Via processors that
+\ require a different voltage than the one we provide.
+dev /cpu
+warning @  warning off
+: selftest  ( -- error? )
+   h# 198 msr@ drop      ( msr.low )
+   h# ff and  6 <>  if   ( )
+      ." Wrong CPU Voltage" cr
+      true exit
+   then
+   selftest
+;
+warning !
+device-end
+
 0 [if]
 fload ${BP}/ofw/console/bailout.fth
 stand-init:  Keyboard overrides