[openfirmware] [commit] r2042 - cpu/arm/olpc/1.75
repository service
svn at openfirmware.info
Thu Nov 25 05:55:15 CET 2010
Author: wmb
Date: Thu Nov 25 05:55:14 2010
New Revision: 2042
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2042
Log:
OLPC XO-1.75 SD driver - tune data timing for 50 MHz operation.
Modified:
cpu/arm/olpc/1.75/sdregs.fth
Modified: cpu/arm/olpc/1.75/sdregs.fth
==============================================================================
--- cpu/arm/olpc/1.75/sdregs.fth Thu Nov 25 05:54:10 2010 (r2041)
+++ cpu/arm/olpc/1.75/sdregs.fth Thu Nov 25 05:55:14 2010 (r2042)
@@ -18,5 +18,8 @@
;
: vendor-modes ( -- ) ;
-: ?cafe-fpga-quirk ( -- ) ;
+
+\ This tunes the data timing for better operation at 50 MHz
+: ?cafe-fpga-quirk ( -- ) h# 10a chip + rw@ h# 3f00 or h# 10a chip + rw! ;
+
: ?via-quirk ( -- ) ;
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