[openfirmware] [commit] r3587 - cpu/arm/mmp3
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svn at openfirmware.info
Tue Mar 5 06:04:54 CET 2013
Author: wmb
Date: Tue Mar 5 06:04:54 2013
New Revision: 3587
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/3587
Log:
OLPC MMP3 - Document the steps for unused-cores-off.
Modified:
cpu/arm/mmp3/dramrecal.fth
Modified: cpu/arm/mmp3/dramrecal.fth
==============================================================================
--- cpu/arm/mmp3/dramrecal.fth Tue Mar 5 05:59:13 2013 (r3586)
+++ cpu/arm/mmp3/dramrecal.fth Tue Mar 5 06:04:54 2013 (r3587)
@@ -281,11 +281,11 @@
alias do-wfi wfi
-: unused-cores-off
- h# e320f003 0 instruction!
- h# 2000.0062 h# 200 pmua!
- h# 2000.0062 h# 204 pmua!
- h# 150 pmua@ h# 0600.0000 or h# 150 pmua!
+: unused-cores-off ( -- )
+ h# e320f003 0 instruction! \ Put WFI instruction in reset vector
+ h# 2000.0062 h# 200 pmua! \ PMUA_PJ_IDLE_CFG2 - mpcore2 deep sleep on WFI
+ h# 2000.0062 h# 204 pmua! \ PMUA_PJ_IDLE_CFG3 - mmcore deep sleep on WFI
+ h# 150 pmua@ h# 0600.0000 or h# 150 pmua! \ PMUA_CC2_PJ - unreset mpcore2 & mmcore
;
\ LICENSE_BEGIN
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