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flash/nor/at91samd: fix chip erase of a secured device 43/4043/3
authorTomas Vanek <vanekt@fbl.cz>
Fri, 3 Mar 2017 16:52:00 +0000 (17:52 +0100)
committerFreddie Chopin <freddie.chopin@gmail.com>
Mon, 24 Apr 2017 05:31:37 +0000 (06:31 +0100)
commit2e0e6c5634b65043938ab4eb6244566b747ddc06
treedd7436106109117eabe8475b8bf64186abaf2178tree | snapshot
parent44ad4fdcb026e513681f2d8c4c812652b13a389ccommit | diff
flash/nor/at91samd: fix chip erase of a secured device

'at91samd chip-erase' command did not work on secured device.

Fix it changing address of DSU.CTRL register
(see Atmel SAM D21 datasheet, 13.9. Intellectual Property Protection).

While on it check error return of DSU.CTRL write.

Change-Id: I83155a634a5458cdc0cc16c99c0e155eb1d8b3d6
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reported-by: Thomas Irmen <tirmen@gmx.net>
Reviewed-on: http://openocd.zylin.com/4043
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
src/flash/nor/at91samd.c diff | blob | history
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