diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx6q_arm2/mx6q_arm2.c | 104 |
1 files changed, 81 insertions, 23 deletions
diff --git a/board/freescale/mx6q_arm2/mx6q_arm2.c b/board/freescale/mx6q_arm2/mx6q_arm2.c index eb3e34e..d78c704 100644 --- a/board/freescale/mx6q_arm2/mx6q_arm2.c +++ b/board/freescale/mx6q_arm2/mx6q_arm2.c @@ -908,6 +908,55 @@ int board_late_init(void) #define hab_rvt_exit ((hab_rvt_exit_t *) HAB_RVT_EXIT) #define hab_rvt_clock_init HAB_RVT_CLOCK_INIT +/* + * +------------+ 0x0 (0x10800000) - + * | Header | | + * +------------+ 0x40 | + * | | | + * | | | + * | | | + * | | | + * | Image Data | | + * . | | + * . | > Stuff to be authenticated ------+ + * . | | | + * | | | | + * | | | | + * +------------+ | | + * | | | | + * | Fill Data | | | + * | | | | + * +------------+ 0x003F_DFE0 | | + * | IVT | | | + * +------------+ 0x003F_E000 - | + * | | | + * | CSF DATA | <--------------------------------------------------------+ + * | | + * +------------+ + * | | + * | Fill Data | + * | | + * +------------+ 0x0040_0000 + */ + +#define DDR_UIMAGE_START 0x10800000 +#define DDR_UIMAGE_LENGTH 0x400000 +#define DDR_IVT_OFFSET 0x3FDFE0 +#define DDR_UIMAGE_IVT_START (DDR_UIMAGE_START + DDR_IVT_OFFSET) + +#define OCOTP_CFG5_OFFSET 0x460 + +int check_hab_enable(void) +{ + u32 reg = 0; + int result = 0; + + reg = readl(IMX_OTP_BASE + OCOTP_CFG5_OFFSET); + if ((reg & 0x2) == 0x2) + result = 1; + + return result; +} void display_event(uint8_t *event_data, size_t bytes) { @@ -982,30 +1031,38 @@ uint32_t authenticate_image(ulong start) { uint32_t load_addr = 0; size_t bytes; - ptrdiff_t ivt_offset = 0x003FDFE0; - - printf("\nAuthenticate uImage from DDR location 0x%lx...\n", start); - - hab_caam_clock_enable(); - - if (hab_rvt_entry() == HAB_SUCCESS) { - start = 0x10800000; - bytes = 0x00400000; - load_addr = (uint32_t)hab_rvt_authenticate_image(HAB_CID_UBOOT, - ivt_offset, (void **)&start, - (size_t *)&bytes, NULL); - if (hab_rvt_exit() != HAB_SUCCESS) { - printf("hab exit function fail\n"); - load_addr = 0; - } - } else - printf("hab entry function fail\n"); - - hab_caam_clock_disable(); + ptrdiff_t ivt_offset = DDR_IVT_OFFSET; + int result = 0; + + if (check_hab_enable() == 1) { + printf("\nAuthenticate uImage from DDR location 0x%lx...\n", + start); + + hab_caam_clock_enable(); + + if (hab_rvt_entry() == HAB_SUCCESS) { + start = DDR_UIMAGE_START; + bytes = DDR_UIMAGE_LENGTH; + load_addr = (uint32_t)hab_rvt_authenticate_image( + HAB_CID_UBOOT, + ivt_offset, (void **)&start, + (size_t *)&bytes, NULL); + if (hab_rvt_exit() != HAB_SUCCESS) { + printf("hab exit function fail\n"); + load_addr = 0; + } + } else + printf("hab entry function fail\n"); + + hab_caam_clock_disable(); + + get_hab_status(); + } - get_hab_status(); + if ((!check_hab_enable()) || (load_addr != 0)) + result = 1; - return load_addr; + return result; } /* ----------- end of HAB API updates ------------*/ #endif @@ -1188,7 +1245,8 @@ int checkboard(void) } #ifdef CONFIG_SECURE_BOOT - get_hab_status(); + if (check_hab_enable() == 1) + get_hab_status(); #endif return 0; |