[openfirmware] [commit] r1894 - dev/mmc/sdhci

repository service svn at openfirmware.info
Thu Jul 22 08:42:20 CEST 2010


Author: wmb
Date: Thu Jul 22 08:42:19 2010
New Revision: 1894
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1894

Log:
SDHCI - Increased AData workaround timeout to 900 uS, thus making the system work with 8G Adata cards while killing the write performance for every card.

Modified:
   dev/mmc/sdhci/sdhci.fth

Modified: dev/mmc/sdhci/sdhci.fth
==============================================================================
--- dev/mmc/sdhci/sdhci.fth	Tue Jul 20 05:49:44 2010	(r1893)
+++ dev/mmc/sdhci/sdhci.fth	Thu Jul 22 08:42:19 2010	(r1894)
@@ -904,7 +904,7 @@
    else                                 ( block# r: #blocks fresh? )
       \ Ugly ugly workaround for a problem with AData Class 6 SD cards
       \ They hang (data timeout) if you start a write too soon after a read.
-      " d# 20 us" evaluate
+      " d# 900 us" evaluate
       r>  if  r> pre-write-erase  else  r> drop  then  ( block# )
       write-multiple  true to writing?  ( )
    then                                 ( )



More information about the openfirmware mailing list