[commit] r3587 - cpu/arm/mmp3

[repository service]

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