From e8a12673509b93433dd95503bbfb13dabce5e71b Mon Sep 17 00:00:00 2001 From: Bastian Stender Date: Fri, 10 Aug 2018 13:43:37 +0200 Subject: 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 Signed-off-by: Sascha Hauer --- drivers/hab/hab.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/hab/hab.c') 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); } -- cgit v1.2.3