[openfirmware] [commit] r2078 - in cpu/arm: mmp2 olpc/1.75

[repository service]

Author: wmb
Date: Fri Dec 10 23:10:15 2010
New Revision: 2078
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2078

Log:
OLPC XO-1.75 - Use WFI instruction for idling, instead of the coprocessor variant that doesn't seem to be effective on MMP2.

Modified:
   cpu/arm/mmp2/timer.fth
   cpu/arm/olpc/1.75/fw.bth

Modified: cpu/arm/mmp2/timer.fth
==============================================================================
--- cpu/arm/mmp2/timer.fth	Fri Dec 10 23:08:41 2010	(r2077)
+++ cpu/arm/mmp2/timer.fth	Fri Dec 10 23:10:15 2010	(r2078)
@@ -167,9 +167,9 @@
       false
    then
 ;
-: do-idle  ( -- )  c7-wfi  ;
+code wfi   ( -- )  wfi   c;
 : safe-idle  ( -- )
-   can-idle?  if  do-idle  then
+   can-idle?  if  wfi  then
    \ do-lid
 ;
 ' safe-idle to stdin-idle

Modified: cpu/arm/olpc/1.75/fw.bth
==============================================================================
--- cpu/arm/olpc/1.75/fw.bth	Fri Dec 10 23:08:41 2010	(r2077)
+++ cpu/arm/olpc/1.75/fw.bth	Fri Dec 10 23:10:15 2010	(r2078)
@@ -191,7 +191,7 @@
    h# 38 mod  8 +  " rtc!" clock-node @  ( data index adr len ih )
    ['] $call-method  if  2drop 3drop  then
 ;
-: halt  ( -- )  c7-wfi  ;
+code halt  ( -- )  wfi   c;
 fload ${BP}/cpu/x86/pc/olpc/sound.fth
 fload ${BP}/cpu/x86/pc/olpc/security.fth