From c865879eb81b6e5fca58bed8b63f6336b98ec425 Mon Sep 17 00:00:00 2001 From: Tarek BOCHKATI Date: Thu, 2 Sep 2021 15:56:50 +0100 Subject: [PATCH] doc: add a note to use 'stm32l4x option_load' after changing option bytes Change-Id: I502be27da892e393731d11e02203c736e77033d0 Signed-off-by: Tarek BOCHKATI Reviewed-on: https://review.openocd.org/c/openocd/+/6533 Tested-by: jenkins Reviewed-by: Karl Palsson Reviewed-by: Paul Fertser Reviewed-by: Tomas Vanek --- doc/openocd.texi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/doc/openocd.texi b/doc/openocd.texi index 9c94c7168..6a8350a51 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -7348,11 +7348,15 @@ Some stm32l4x-specific commands are defined: @deffn {Command} {stm32l4x lock} num Locks the entire stm32 device. The @var{num} parameter is a value shown by @command{flash banks}. + +@emph{Note:} To apply the protection change immediately, use @command{stm32l4x option_load}. @end deffn @deffn {Command} {stm32l4x unlock} num Unlocks the entire stm32 device. The @var{num} parameter is a value shown by @command{flash banks}. + +@emph{Note:} To apply the protection change immediately, use @command{stm32l4x option_load}. @end deffn @deffn Command {stm32l4x flashloader} num [@option{enable} | @option{disable}] @@ -7390,6 +7394,8 @@ The @var{num} parameter is a value shown by @command{flash banks}, @var{reg_offs is the register offset of the Option byte to write, and @var{reg_mask} is the mask to apply when writing the register (only bits with a '1' will be touched). +@emph{Note:} To apply the option bytes change immediately, use @command{stm32l4x option_load}. + For example to write the WRP1AR option bytes: @example stm32l4x option_write 0 0x28 0x00FF0000 0x00FF00FF