This patch adds an environment variable called "hab_enabled" which gets set to a boolean status indicating whether HAB is enabled or not.
Subsequent patches can use this environment variable to determine if its necessary to run a given binary through the hab_auth_img console command. Signed-off-by: Bryan O'Donoghue <bryan.odonog...@linaro.org> --- board/warp7/warp7.c | 8 ++++++++ include/configs/warp7.h | 3 +++ 2 files changed, 11 insertions(+) diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c index 327f656..0d3d324 100644 --- a/board/warp7/warp7.c +++ b/board/warp7/warp7.c @@ -10,6 +10,7 @@ #include <asm/arch/mx7-pins.h> #include <asm/arch/sys_proto.h> #include <asm/gpio.h> +#include <asm/mach-imx/hab.h> #include <asm/mach-imx/iomux-v3.h> #include <asm/mach-imx/mxc_i2c.h> #include <asm/io.h> @@ -203,6 +204,13 @@ int board_late_init(void) */ clrsetbits_le16(&wdog->wcr, 0, 0x10); +#ifdef CONFIG_SECURE_BOOT + /* Determine HAB state */ + env_set_ulong(HAB_ENABLED_ENVNAME, imx_hab_is_enabled()); +#else + env_set_ulong(HAB_ENABLED_ENVNAME, 0); +#endif + #ifdef CONFIG_SERIAL_TAG /* Set serial# standard environment variable based on OTP settings */ get_board_serial(&serialnr); diff --git a/include/configs/warp7.h b/include/configs/warp7.h index 98fedb8..10db716 100644 --- a/include/configs/warp7.h +++ b/include/configs/warp7.h @@ -139,4 +139,7 @@ #define CONFIG_USBNET_DEV_ADDR "de:ad:be:af:00:01" +/* Environment variable name to represent HAB enable state */ +#define HAB_ENABLED_ENVNAME "hab_enabled" + #endif -- 2.7.4 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot