Add support for read secure_jtag_control and unique_chip_id from cfg file and write them into BCT structure, and bct_dump can also parse the two fields and show the data.
Signed-off-by: Penny Chiu <[email protected]> --- src/bct_dump.c | 43 ++++++++++++++++++++++++----- src/cbootimage.h | 2 ++ src/parse.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++ src/parse.h | 2 ++ src/set.c | 12 ++++++++ src/t124/nvbctlib_t124.c | 13 ++++++++- 6 files changed, 136 insertions(+), 8 deletions(-) diff --git a/src/bct_dump.c b/src/bct_dump.c index a8e3479..1af2c07 100644 --- a/src/bct_dump.c +++ b/src/bct_dump.c @@ -29,6 +29,7 @@ cbootimage_soc_config * g_soc_config; static void format_u32_hex8(char const * message, void * data); static void format_u32(char const * message, void * data); +static void format_chipuid(char const * message, void * data); typedef void (*format_function)(char const * message, void * data); @@ -44,6 +45,8 @@ static value_data const values[] = { { token_page_size_log2, "PageSize = ", format_u32_hex8 }, { token_partition_size, "PartitionSize = ", format_u32_hex8 }, { token_odm_data, "OdmData = ", format_u32_hex8 }, + { token_secure_jtag_control, "JtagCtrl = ", format_u32_hex8 }, + { token_unique_chip_id, "ChipUid = ", format_chipuid }, { token_bootloader_used, "# Bootloader used = ", format_u32 }, { token_bootloaders_max, "# Bootloaders max = ", format_u32 }, { token_bct_size, "# BCT size = ", format_u32 }, @@ -74,6 +77,19 @@ static void format_u32(char const * message, void * data) printf("%s%d;\n", message, *((u_int32_t *) data)); } +static void format_chipuid(char const * message, void * data) +{ + u_int8_t *uid = (u_int8_t *)data; + int byte_index; + char uid_str[35] = "0x"; + char *s = &uid_str[2]; + + for (byte_index = 15; byte_index >= 0; byte_index--, s += 2) + sprintf(s, "%02x", uid[byte_index]); + + printf("%s%s;\n", message, uid_str); +} + /*****************************************************************************/ static void usage(void) { @@ -174,17 +190,30 @@ int main(int argc, char *argv[]) if (!g_soc_config->token_supported(values[i].id)) continue; - e = g_soc_config->get_value(values[i].id, + if (values[i].id == token_unique_chip_id) { + u_int8_t uid[16]; + + e = g_soc_config->get_value(values[i].id, + uid, + context.bct); + if (e != 0) + for (j = 0; j < 16; j++) + uid[j] = -1; + + values[i].format(values[i].message, uid); + } else { + e = g_soc_config->get_value(values[i].id, &data, context.bct); - if (e != 0) - data = -1; - else if (values[i].id == token_block_size_log2 || - values[i].id == token_page_size_log2) - data = 1 << data; + if (e != 0) + data = -1; + else if (values[i].id == token_block_size_log2 || + values[i].id == token_page_size_log2) + data = 1 << data; - values[i].format(values[i].message, &data); + values[i].format(values[i].message, &data); + } } /* Display bootloader values */ diff --git a/src/cbootimage.h b/src/cbootimage.h index 46e3b8b..252c41e 100644 --- a/src/cbootimage.h +++ b/src/cbootimage.h @@ -96,6 +96,8 @@ typedef struct build_image_context_rec u_int32_t boot_data_version; /* The boot data version of BCT */ u_int8_t bct_init; /* The flag for the memory allocation of bct */ u_int32_t odm_data; /* The odm data value */ + u_int8_t unique_chip_id[16]; /* The unique chip uid */ + u_int8_t secure_jtag_control; /* The flag for enabling jtag control */ } build_image_context; /* Function prototypes */ diff --git a/src/parse.c b/src/parse.c index f82c008..8e5daed 100644 --- a/src/parse.c +++ b/src/parse.c @@ -45,6 +45,7 @@ set_array(build_image_context *context, u_int32_t value); static char *parse_u32(char *str, u_int32_t *val); static char *parse_u8(char *str, u_int32_t *val); +static char *parse_chipuid(char *str, u_int8_t *val); static char *parse_filename(char *str, char *name, int chars_remaining); static char *parse_enum(build_image_context *context, char *str, @@ -64,6 +65,10 @@ parse_bootloader(build_image_context *context, parse_token token, char *rest); static int parse_value_u32(build_image_context *context, parse_token token, char *rest); static int +parse_value_chipuid(build_image_context *context, + parse_token token, + char *rest); +static int parse_bct_file(build_image_context *context, parse_token token, char *rest); static char *parse_end_state(char *str, char *uname, int chars_remaining); @@ -102,6 +107,8 @@ static parse_item s_top_level_items[] = { { "Bctcopy=", token_bct_copy, parse_value_u32 }, { "Version=", token_version, parse_value_u32 }, { "OdmData=", token_odm_data, parse_value_u32 }, + { "ChipUid=", token_unique_chip_id, parse_value_chipuid }, + { "JtagCtrl=", token_secure_jtag_control, parse_value_u32 }, { NULL, 0, NULL } /* Must be last */ }; @@ -165,6 +172,46 @@ parse_u8(char *str, u_int32_t *val) return retval; } +/* + * Parse the given string and transfer to chip uid. + * + * @param str String to parse + * @param chipuid Returns chip uid that was parsed + * @return the remainder of the string after the number was parsed + */ +static char * +parse_chipuid(char *str, u_int8_t *chipuid) +{ + int byte_index = 0; + int paddings = 0; + char byte_str[3]; + + if (*str++ != '0') + return NULL; + + if (*str++ != 'x') + return NULL; + + paddings = strlen(str) % 2; + byte_index = strlen(str) / 2 + paddings; + + while (*str != '\0' && byte_index > 0) { + char *endptr; + + strncpy(byte_str, str, 2 - paddings); + byte_str[2-paddings] = '\0'; + str += 2 - paddings; + + chipuid[byte_index - 1] = strtoul(byte_str, &endptr, 16); + if (*endptr) + return NULL; + + byte_index--; + paddings = 0; + } + + return str; +} /* * Parse the given string and find the file name then @@ -486,6 +533,31 @@ static int parse_value_u32(build_image_context *context, } /* + * General handler for setting chip uid in config files. + * + * @param context The main context pointer + * @param token The parse token value + * @param rest String to parse + * @return 0 and 1 for success and failure + */ +static int parse_value_chipuid(build_image_context *context, + parse_token token, + char *rest) +{ + u_int8_t value[16]; + + assert(context != NULL); + assert(rest != NULL); + + memset(value, 0, sizeof(value)); + rest = parse_chipuid(rest, value); + if (rest == NULL) + return 1; + + return context_set_value(context, token, value); +} + +/* * Parse the given string and find the bct file name. * * @param context The main context pointer diff --git a/src/parse.h b/src/parse.h index d9d873f..114168c 100644 --- a/src/parse.h +++ b/src/parse.h @@ -108,6 +108,8 @@ typedef enum token_dev_type_spi, token_num_sdram_sets, token_pre_bct_pad_blocks, + token_unique_chip_id, + token_secure_jtag_control, token_nand_clock_divider, token_nand_nand_timing, diff --git a/src/set.c b/src/set.c index 3d62254..4a78b71 100644 --- a/src/set.c +++ b/src/set.c @@ -199,6 +199,18 @@ int context_set_value(build_image_context *context, context->pre_bct_pad_blocks = *((u_int32_t *)value); break; + case token_secure_jtag_control: + context->secure_jtag_control = *((u_int32_t *)value); + g_soc_config->set_value(token_secure_jtag_control, + value, context->bct); + break; + + case token_unique_chip_id: + memcpy(context->unique_chip_id, value, 16); + g_soc_config->set_value(token_unique_chip_id, + value, context->bct); + break; + DEFAULT(); } diff --git a/src/t124/nvbctlib_t124.c b/src/t124/nvbctlib_t124.c index b1ec445..b103ea7 100644 --- a/src/t124/nvbctlib_t124.c +++ b/src/t124/nvbctlib_t124.c @@ -111,7 +111,9 @@ parse_token t124_root_token_list[] = { token_hash_size, token_crypto_offset, token_crypto_length, - token_max_bct_search_blks + token_max_bct_search_blks, + token_unique_chip_id, + token_secure_jtag_control }; int @@ -941,6 +943,7 @@ t124_bct_get_value(parse_token id, void *data, u_int8_t *bct) CASE_GET_NVU32(num_sdram_sets); CASE_GET_NVU32(bootloader_used); CASE_GET_NVU32(odm_data); + CASE_GET_NVU32(secure_jtag_control); /* * Constants. @@ -955,6 +958,10 @@ t124_bct_get_value(parse_token id, void *data, u_int8_t *bct) sizeof(nvboot_hash)); break; + case token_unique_chip_id: + memcpy(data, &(bct_ptr->unique_chip_id), sizeof(nvboot_ecid)); + break; + case token_reserved_offset: *((u_int32_t *)data) = (u_int8_t *)&(samplebct.reserved) - (u_int8_t *)&samplebct; @@ -1020,6 +1027,10 @@ t124_bct_set_value(parse_token id, void *data, u_int8_t *bct) CASE_SET_NVU32(num_sdram_sets); CASE_SET_NVU32(bootloader_used); CASE_SET_NVU32(odm_data); + CASE_SET_NVU32(secure_jtag_control); + case token_unique_chip_id: + memcpy(&bct_ptr->unique_chip_id, data, sizeof(nvboot_ecid)); + break; default: return -ENODATA; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
