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-rw-r--r--doc/openocd.texi6
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi
index 0eb40b13..3e0b5db7 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -3841,8 +3841,12 @@ specifies "to the end of the flash bank".
The @var{num} parameter is a value shown by @command{flash banks}.
@end deffn
-@deffn Command {flash erase_address} address length
+@deffn Command {flash erase_address} [@option{pad}] address length
Erase sectors starting at @var{address} for @var{length} bytes.
+Unless @option{pad} is specified, @math{address} must begin a
+flash sector, and @math{address + length - 1} must end a sector.
+Specifying @option{pad} erases extra data at the beginning and/or
+end of the specified region, as needed to erase only full sectors.
The flash bank to use is inferred from the @var{address}, and
the specified length must stay within that bank.
As a special case, when @var{length} is zero and @var{address} is