doc: add a note to use 'stm32l4x option_load' after changing option bytes

Change-Id: I502be27da892e393731d11e02203c736e77033d0
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6533
Tested-by: jenkins
Reviewed-by: Karl Palsson <karlp@tweak.net.au>
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
This commit is contained in:
Tarek BOCHKATI 2021-09-02 15:56:50 +01:00 committed by Tomas Vanek
parent fc74ccda52
commit c865879eb8
1 changed files with 6 additions and 0 deletions

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@ -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