summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorH. Peter Anvin <hpa@zytor.com>2011-06-05 01:55:06 (GMT)
committerH. Peter Anvin <hpa@zytor.com>2011-06-05 01:55:06 (GMT)
commit9d7b6fe03c1a121aee32e2ac7e4627f212997d5e (patch)
tree8b13ef94669945d92769b1625f90f30ee59d1076
parentbd0177db6f009879034403c0d569aef9fa92dfdb (diff)
downloadde1flash-9d7b6fe03c1a121aee32e2ac7e4627f212997d5e.zip
de1flash-9d7b6fe03c1a121aee32e2ac7e4627f212997d5e.tar.gz
de1flash-9d7b6fe03c1a121aee32e2ac7e4627f212997d5e.tar.bz2
de1flash-9d7b6fe03c1a121aee32e2ac7e4627f212997d5e.tar.xz
README: document "reads are slower than writes" anomaly
Reads should theoretically be much faster than writes, but the performance of the JTAG stack kills it.
-rw-r--r--README2
1 files changed, 2 insertions, 0 deletions
diff --git a/README b/README
index 67a167a..df7a67e 100644
--- a/README
+++ b/README
@@ -54,4 +54,6 @@ entire flash.
Both the "write" and the "eraseall" commands automatically skip
erasing any sectors that are already blank.
+Reads are substantially slower than writes. This appears to be a
+limitation of the Altera JTAG stack.