Use read_fuse api fuction call to read secure boot fuse settings (enabled/disabled).
Signed-off-by: Adrian Alonso aalonso@freescale.com --- Changes for V3: New patch in series
arch/arm/imx-common/hab.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/arch/arm/imx-common/hab.c b/arch/arm/imx-common/hab.c index 9ee0f12..ee2da01 100644 --- a/arch/arm/imx-common/hab.c +++ b/arch/arm/imx-common/hab.c @@ -5,6 +5,8 @@ */
#include <common.h> +#include <config.h> +#include <fuse.h> #include <asm/io.h> #include <asm/system.h> #include <asm/arch/clock.h> @@ -260,11 +262,16 @@ uint8_t hab_engines[16] = {
bool is_hab_enabled(void) { - struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; - struct fuse_bank *bank = &ocotp->bank[0]; - struct fuse_bank0_regs *fuse = - (struct fuse_bank0_regs *)bank->fuse_regs; - uint32_t reg = readl(&fuse->cfg5); + struct imx_sec_config_fuse_t *fuse = + (struct imx_sec_config_fuse_t*)&imx_sec_config_fuse; + uint32_t reg; + int ret; + + ret = fuse_read(fuse->bank, fuse->word, ®); + if (ret) { + puts("\nSecure boot fuse read error\n"); + return ret; + }
return (reg & 0x2) == 0x2; }