| /* |
| * (C) Copyright 2009 |
| * Stefano Babic, DENX Software Engineering, sbabic@denx.de. |
| * |
| * (C) Copyright 2008 |
| * Marvell Semiconductor <www.marvell.com> |
| * Written-by: Prafulla Wadaskar <prafulla@marvell.com> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| /* Required to obtain the getline prototype from stdio.h */ |
| #define _GNU_SOURCE |
| |
| #include "mkimage.h" |
| #include <image.h> |
| #include "imximage.h" |
| |
| /* |
| * Supported commands for configuration file |
| */ |
| static table_entry_t imximage_cmds[] = { |
| {CMD_BOOT_FROM, "BOOT_FROM", "boot comand", }, |
| {CMD_DATA, "DATA", "Reg Write Data", }, |
| {-1, "", "", }, |
| }; |
| |
| /* |
| * Supported Boot options for configuration file |
| * this is needed to set the correct flash offset |
| */ |
| static table_entry_t imximage_bootops[] = { |
| {FLASH_OFFSET_SPI, "spi", "SPI Flash", }, |
| {FLASH_OFFSET_NAND, "nand", "NAND Flash", }, |
| {FLASH_OFFSET_SD, "sd", "SD Card", }, |
| {FLASH_OFFSET_ONENAND, "onenand", "OneNAND Flash",}, |
| {-1, "", "Invalid", }, |
| }; |
| |
| |
| static struct imx_header imximage_header; |
| |
| static uint32_t get_cfg_value(char *token, char *name, int linenr) |
| { |
| char *endptr; |
| uint32_t value; |
| |
| errno = 0; |
| value = strtoul(token, &endptr, 16); |
| if (errno || (token == endptr)) { |
| fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n", |
| name, linenr, token); |
| exit(EXIT_FAILURE); |
| } |
| return value; |
| } |
| |
| static int imximage_check_image_types(uint8_t type) |
| { |
| if (type == IH_TYPE_IMXIMAGE) |
| return EXIT_SUCCESS; |
| else |
| return EXIT_FAILURE; |
| } |
| |
| static int imximage_verify_header(unsigned char *ptr, int image_size, |
| struct mkimage_params *params) |
| { |
| |
| struct imx_header *imx_hdr = (struct imx_header *) ptr; |
| flash_header_t *hdr = &imx_hdr->fhdr; |
| |
| /* Only a few checks can be done: search for magic numbers */ |
| if (hdr->app_code_barker != APP_CODE_BARKER) |
| return -FDT_ERR_BADSTRUCTURE; |
| |
| if (imx_hdr->dcd_table.preamble.barker != DCD_BARKER) |
| return -FDT_ERR_BADSTRUCTURE; |
| |
| return 0; |
| } |
| |
| static void imximage_print_header(const void *ptr) |
| { |
| struct imx_header *imx_hdr = (struct imx_header *) ptr; |
| flash_header_t *hdr = &imx_hdr->fhdr; |
| uint32_t size; |
| flash_cfg_parms_t *ext_header; |
| |
| size = imx_hdr->dcd_table.preamble.length; |
| if (size > (MAX_HW_CFG_SIZE * sizeof(dcd_type_addr_data_t))) { |
| fprintf(stderr, |
| "Error: Image corrupt DCD size %d exceed maximum %d\n", |
| size / sizeof(dcd_type_addr_data_t), MAX_HW_CFG_SIZE); |
| exit(EXIT_FAILURE); |
| } |
| |
| ext_header = (flash_cfg_parms_t *) ((uint32_t)&imx_hdr->dcd_table + |
| sizeof(dcd_preamble_t) + size); |
| |
| printf("Image Type: Freescale IMX Boot Image\n"); |
| printf("Data Size: "); |
| genimg_print_size(ext_header->length); |
| printf("Load Address: %08x\n", (unsigned int)hdr->app_dest_ptr); |
| printf("Entry Point: %08x\n", (unsigned int)hdr->app_code_jump_vector); |
| } |
| |
| static uint32_t imximage_parse_cfg_file(struct imx_header *imxhdr, char *name) |
| { |
| FILE *fd = NULL; |
| char *line = NULL; |
| char *token, *saveptr1, *saveptr2; |
| int lineno = 0; |
| int fld, value; |
| uint32_t len; |
| int dcd_len = 0; |
| dcd_t *dcd = &imxhdr->dcd_table; |
| int32_t cmd; |
| |
| fd = fopen(name, "r"); |
| if (fd == 0) { |
| fprintf(stderr, "Error: %s - Can't open DCD file\n", name); |
| exit(EXIT_FAILURE); |
| } |
| |
| /* Very simple parsing, line starting with # are comments |
| * and are dropped |
| */ |
| while ((getline(&line, &len, fd)) > 0) { |
| lineno++; |
| |
| token = strtok_r(line, "\r\n", &saveptr1); |
| if (token == NULL) |
| continue; |
| |
| /* Check inside the single line */ |
| for (fld = CFG_COMMAND, cmd = CMD_INVALID, |
| line = token; ; line = NULL, fld++) { |
| token = strtok_r(line, " \t", &saveptr2); |
| if (token == NULL) |
| break; |
| |
| /* Drop all text starting with '#' as comments */ |
| if (token[0] == '#') |
| break; |
| |
| /* parse all fields in a single line */ |
| switch (fld) { |
| case CFG_COMMAND: |
| cmd = get_table_entry_id(imximage_cmds, |
| "imximage commands", token); |
| if (cmd < 0) { |
| fprintf(stderr, |
| "Error: %s[%d] - " |
| "Invalid command (%s)\n", |
| name, lineno, token); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case CFG_REG_SIZE: |
| switch (cmd) { |
| case CMD_BOOT_FROM: |
| /* Get flash header offset */ |
| imxhdr->flash_offset = |
| get_table_entry_id( |
| imximage_bootops, |
| "imximage boot option", |
| token); |
| if (imxhdr->flash_offset == -1) { |
| fprintf(stderr, |
| "Error: %s[%d] -" |
| "Invalid boot device" |
| "(%s)\n", |
| name, lineno, token); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case CMD_DATA: |
| value = get_cfg_value(token, |
| name, lineno); |
| |
| /* Byte, halfword, word */ |
| if ((value != 1) && |
| (value != 2) && (value != 4)) { |
| fprintf(stderr, |
| "Error: %s[%d] - " |
| "Invalid register size " |
| "(%d)\n", |
| name, lineno, value); |
| exit(EXIT_FAILURE); |
| } |
| dcd->addr_data[dcd_len].type = value; |
| break; |
| } |
| |
| case CFG_REG_ADDRESS: |
| if (cmd == CMD_DATA) |
| dcd->addr_data[dcd_len].addr = |
| get_cfg_value(token, |
| name, lineno); |
| break; |
| case CFG_REG_VALUE: |
| if (cmd == CMD_DATA) { |
| dcd->addr_data[dcd_len].value = |
| get_cfg_value(token, |
| name, lineno); |
| dcd_len++; |
| } |
| break; |
| } |
| } |
| |
| if (dcd_len > MAX_HW_CFG_SIZE) { |
| fprintf(stderr, |
| "Error: %s[%d] -" |
| "DCD table exceeds maximum size(%d)\n", |
| name, lineno, MAX_HW_CFG_SIZE); |
| } |
| } |
| dcd->preamble.barker = DCD_BARKER; |
| dcd->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t); |
| fclose(fd); |
| |
| return dcd->preamble.length; |
| } |
| |
| static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd, |
| struct mkimage_params *params) |
| { |
| struct imx_header *hdr = (struct imx_header *)ptr; |
| flash_header_t *fhdr = &hdr->fhdr; |
| int dcd_len; |
| flash_cfg_parms_t *ext_header; |
| uint32_t base_offset; |
| |
| /* Set default offset */ |
| hdr->flash_offset = FLASH_OFFSET_STANDARD; |
| |
| /* Set magic number */ |
| fhdr->app_code_barker = APP_CODE_BARKER; |
| |
| /* Parse dcd configuration file */ |
| dcd_len = imximage_parse_cfg_file(hdr, params->imagename); |
| |
| fhdr->app_dest_ptr = params->addr; |
| fhdr->app_dest_ptr = params->ep - hdr->flash_offset - |
| sizeof(struct imx_header); |
| fhdr->app_code_jump_vector = params->ep; |
| |
| base_offset = fhdr->app_dest_ptr + hdr->flash_offset ; |
| fhdr->dcd_ptr_ptr = (uint32_t) ((uint32_t)&fhdr->dcd_ptr - |
| (uint32_t)&fhdr->app_code_jump_vector) + base_offset ; |
| |
| fhdr->dcd_ptr = base_offset + |
| ((uint32_t)&hdr->dcd_table - |
| (uint32_t)&hdr->fhdr); |
| |
| /* The external flash header must be at the end of the DCD table */ |
| ext_header = (flash_cfg_parms_t *) ((uint32_t)&hdr->dcd_table + |
| dcd_len + |
| sizeof(dcd_preamble_t)); |
| ext_header->length = sbuf->st_size + |
| hdr->flash_offset + |
| sizeof(struct imx_header); |
| |
| /* Security feature are not supported */ |
| fhdr->app_code_csf = 0; |
| fhdr->super_root_key = NULL; |
| |
| } |
| |
| int imximage_check_params(struct mkimage_params *params) |
| { |
| if (!params) |
| return CFG_INVALID; |
| if (!strlen(params->imagename)) { |
| fprintf(stderr, "Error: %s - Configuration file not specified, " |
| "it is needed for imximage generation\n", |
| params->cmdname); |
| return CFG_INVALID; |
| } |
| /* |
| * Check parameters: |
| * XIP is not allowed and verify that incompatible |
| * parameters are not sent at the same time |
| * For example, if list is required a data image must not be provided |
| */ |
| return (params->dflag && (params->fflag || params->lflag)) || |
| (params->fflag && (params->dflag || params->lflag)) || |
| (params->lflag && (params->dflag || params->fflag)) || |
| (params->xflag) || !(strlen(params->imagename)); |
| } |
| |
| /* |
| * imximage parameters |
| */ |
| static struct image_type_params imximage_params = { |
| .name = "Freescale i.MX 51 Boot Image support", |
| .header_size = sizeof(struct imx_header), |
| .hdr = (void *)&imximage_header, |
| .check_image_type = imximage_check_image_types, |
| .verify_header = imximage_verify_header, |
| .print_header = imximage_print_header, |
| .set_header = imximage_set_header, |
| .check_params = imximage_check_params, |
| }; |
| |
| void init_imx_image_type(void) |
| { |
| mkimage_register(&imximage_params); |
| } |