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author | Bastian Stender <bst@pengutronix.de> | 2018-08-10 13:43:37 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-08-31 08:30:07 +0200 |
commit | e8a12673509b93433dd95503bbfb13dabce5e71b (patch) | |
tree | 97a64151c5eafe0ca58aa1d4eb4e33bda939375f /drivers/hab | |
parent | 172109e4851237e94a765a625da8bfe0dca69cfb (diff) | |
download | barebox-e8a12673509b93433dd95503bbfb13dabce5e71b.tar.gz barebox-e8a12673509b93433dd95503bbfb13dabce5e71b.tar.xz |
HAB: fuse recommended OCOTP_DIR_BT_DIS
This is now recommended for all systems. Especially for the HAB usecase
disallowing alternative boot selection after WDOG reset is essential.
Signed-off-by: Bastian Stender <bst@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/hab')
-rw-r--r-- | drivers/hab/hab.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hab/hab.c b/drivers/hab/hab.c index 0d71f5bf26..03bb65e0fa 100644 --- a/drivers/hab/hab.c +++ b/drivers/hab/hab.c @@ -161,6 +161,12 @@ static int imx_hab_permanent_write_enable_ocotp(int enable) static int imx_hab_lockdown_device_ocotp(void) { + int ret; + + ret = imx_ocotp_write_field(OCOTP_DIR_BT_DIS, 1); + if (ret < 0) + return ret; + return imx_ocotp_write_field(OCOTP_SEC_CONFIG_1, 1); } |