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authorH. Peter Anvin <hpa@zytor.com>2011-06-05 01:16:11 (GMT)
committerH. Peter Anvin <hpa@zytor.com>2011-06-05 01:16:11 (GMT)
commit25691b6f8a8666f9d1b260bd51a8a614c3b8f503 (patch)
treee5006a8a5c87a79b4c839e82ae8a64481afa3193
parente349242c5b5c19da346917d039dab44ef92d5a4f (diff)
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Document that erasure of blank sectors is automatically skipped
-rw-r--r--README11
1 files changed, 9 insertions, 2 deletions
diff --git a/README b/README
index 44beb0b..d2273ba 100644
--- a/README
+++ b/README
@@ -46,5 +46,12 @@ Usage:
quartus_stp -t de1flash.tcl write filename [length]
quartus_stp -t de1flash.tcl eraseall
-Note that it is NOT necessary to erase before writing; the utility
-will automatically erase any sectors that are being written.
+It is NOT necessary to erase before writing; the utility will
+automatically erase any sectors that are being written (but not any
+other sectors.) The "eraseall" command is available to clear out the
+entire flash.
+
+Both the "write" and the "eraseall" commands automatically skip
+erasing any sectors that are already blank.
+
+