[openfirmware] [commit] r2631 - cpu/arm/mmp2
repository service
svn at openfirmware.info
Sat Oct 22 05:40:10 CEST 2011
Author: wmb
Date: Sat Oct 22 05:40:09 2011
New Revision: 2631
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2631
Log:
OLPC XO-1.75 - added delay in low-level suspend/resume code to fix resume failures that occur on some rev C memory configurations.
Modified:
cpu/arm/mmp2/dramrecal.fth
Modified: cpu/arm/mmp2/dramrecal.fth
==============================================================================
--- cpu/arm/mmp2/dramrecal.fth Sat Oct 22 05:40:03 2011 (r2630)
+++ cpu/arm/mmp2/dramrecal.fth Sat Oct 22 05:40:09 2011 (r2631)
@@ -86,6 +86,8 @@
mov r1, #0x40000000 \ DLL_UPDATE_EN
str r1, [r0, #0x240] \ PHY_CTRL14
+ mov r1, #0x0300 begin decs r1,1 0= until \ Delay, needed for some DRAMs
+
mov r1, #0x80 \ Exit Self Refresh value
str r1, [r0, #0x120] \ USER_INITIATED_COMMAND0
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