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author | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
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committer | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
commit | 92988a21ad4c4c9504295ccb580c9f806134471b (patch) | |
tree | 5effc9f14170112450de05c67dafbe8d5034d595 /tools/imximage.c | |
parent | ca2b506783b676c95762c54ea24dcfdaae1947c9 (diff) | |
download | bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.zip bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.gz bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.bz2 |
added boot script files to repository
Diffstat (limited to 'tools/imximage.c')
-rw-r--r-- | tools/imximage.c | 574 |
1 files changed, 0 insertions, 574 deletions
diff --git a/tools/imximage.c b/tools/imximage.c deleted file mode 100644 index 8e81bdb..0000000 --- a/tools/imximage.c +++ /dev/null @@ -1,574 +0,0 @@ -/* - * (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 command", }, - {CMD_DATA, "DATA", "Reg Write Data", }, - {CMD_IMAGE_VERSION, "IMAGE_VERSION", "image version", }, - {-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", }, -}; - -/* - * IMXIMAGE version definition for i.MX chips - */ -static table_entry_t imximage_versions[] = { - {IMXIMAGE_V1, "", " (i.MX25/35/51 compatible)", }, - {IMXIMAGE_V2, "", " (i.MX53 compatible)", }, - {-1, "", " (Invalid)", }, -}; - -static struct imx_header imximage_header; -static uint32_t imximage_version; - -static set_dcd_val_t set_dcd_val; -static set_dcd_rst_t set_dcd_rst; -static set_imx_hdr_t set_imx_hdr; - -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 uint32_t detect_imximage_version(struct imx_header *imx_hdr) -{ - imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1; - imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2; - flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; - flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; - - /* Try to detect V1 */ - if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) && - (hdr_v1->dcd_table.preamble.barker == DCD_BARKER)) - return IMXIMAGE_V1; - - /* Try to detect V2 */ - if ((fhdr_v2->header.tag == IVT_HEADER_TAG) && - (hdr_v2->dcd_table.header.tag == DCD_HEADER_TAG)) - return IMXIMAGE_V2; - - return IMXIMAGE_VER_INVALID; -} - -static void err_imximage_version(int version) -{ - fprintf(stderr, - "Error: Unsupported imximage version:%d\n", version); - - exit(EXIT_FAILURE); -} - -static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno, - int fld, uint32_t value, uint32_t off) -{ - dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table; - - switch (fld) { - case CFG_REG_SIZE: - /* 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_v1->addr_data[off].type = value; - break; - case CFG_REG_ADDRESS: - dcd_v1->addr_data[off].addr = value; - break; - case CFG_REG_VALUE: - dcd_v1->addr_data[off].value = value; - break; - default: - break; - - } -} - -static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno, - int fld, uint32_t value, uint32_t off) -{ - dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table; - - switch (fld) { - case CFG_REG_ADDRESS: - dcd_v2->addr_data[off].addr = cpu_to_be32(value); - break; - case CFG_REG_VALUE: - dcd_v2->addr_data[off].value = cpu_to_be32(value); - break; - default: - break; - - } -} - -/* - * Complete setting up the rest field of DCD of V1 - * such as barker code and DCD data length. - */ -static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len, - char *name, int lineno) -{ - dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table; - - if (dcd_len > MAX_HW_CFG_SIZE_V1) { - fprintf(stderr, "Error: %s[%d] -" - "DCD table exceeds maximum size(%d)\n", - name, lineno, MAX_HW_CFG_SIZE_V1); - exit(EXIT_FAILURE); - } - - dcd_v1->preamble.barker = DCD_BARKER; - dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t); -} - -/* - * Complete setting up the reset field of DCD of V2 - * such as DCD tag, version, length, etc. - */ -static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len, - char *name, int lineno) -{ - dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table; - - if (dcd_len > MAX_HW_CFG_SIZE_V2) { - fprintf(stderr, "Error: %s[%d] -" - "DCD table exceeds maximum size(%d)\n", - name, lineno, MAX_HW_CFG_SIZE_V2); - exit(EXIT_FAILURE); - } - - dcd_v2->header.tag = DCD_HEADER_TAG; - dcd_v2->header.length = cpu_to_be16( - dcd_len * sizeof(dcd_addr_data_t) + 8); - dcd_v2->header.version = DCD_VERSION; - dcd_v2->write_dcd_command.tag = DCD_COMMAND_TAG; - dcd_v2->write_dcd_command.length = cpu_to_be16( - dcd_len * sizeof(dcd_addr_data_t) + 4); - dcd_v2->write_dcd_command.param = DCD_COMMAND_PARAM; -} - -static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len, - struct stat *sbuf, - struct mkimage_params *params) -{ - imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1; - flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; - dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; - uint32_t base_offset; - - /* Set default offset */ - imxhdr->flash_offset = FLASH_OFFSET_STANDARD; - - /* Set magic number */ - fhdr_v1->app_code_barker = APP_CODE_BARKER; - - fhdr_v1->app_dest_ptr = params->addr; - fhdr_v1->app_dest_ptr = params->ep - imxhdr->flash_offset - - sizeof(struct imx_header); - fhdr_v1->app_code_jump_vector = params->ep; - - base_offset = fhdr_v1->app_dest_ptr + imxhdr->flash_offset ; - fhdr_v1->dcd_ptr_ptr = - (uint32_t) (offsetof(flash_header_v1_t, dcd_ptr) - - offsetof(flash_header_v1_t, app_code_jump_vector) + - base_offset); - - fhdr_v1->dcd_ptr = base_offset + - offsetof(imx_header_v1_t, dcd_table); - - /* The external flash header must be at the end of the DCD table */ - dcd_v1->addr_data[dcd_len].type = sbuf->st_size + - imxhdr->flash_offset + - sizeof(struct imx_header); - - /* Security feature are not supported */ - fhdr_v1->app_code_csf = 0; - fhdr_v1->super_root_key = 0; -} - -static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len, - struct stat *sbuf, - struct mkimage_params *params) -{ - imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2; - flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; - - /* Set default offset */ - imxhdr->flash_offset = FLASH_OFFSET_STANDARD; - - /* Set magic number */ - fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */ - fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t)); - fhdr_v2->header.version = IVT_VERSION; /* 0x40 */ - - fhdr_v2->entry = params->ep; - fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0; - fhdr_v2->self = params->ep - sizeof(struct imx_header); - - fhdr_v2->dcd_ptr = fhdr_v2->self + - offsetof(imx_header_v2_t, dcd_table); - - fhdr_v2->boot_data_ptr = fhdr_v2->self + - offsetof(imx_header_v2_t, boot_data); - - hdr_v2->boot_data.start = fhdr_v2->self - imxhdr->flash_offset; - hdr_v2->boot_data.size = sbuf->st_size + - imxhdr->flash_offset + - sizeof(struct imx_header); - - /* Security feature are not supported */ - fhdr_v2->csf = 0; -} - -static void set_hdr_func(struct imx_header *imxhdr) -{ - switch (imximage_version) { - case IMXIMAGE_V1: - set_dcd_val = set_dcd_val_v1; - set_dcd_rst = set_dcd_rst_v1; - set_imx_hdr = set_imx_hdr_v1; - break; - case IMXIMAGE_V2: - set_dcd_val = set_dcd_val_v2; - set_dcd_rst = set_dcd_rst_v2; - set_imx_hdr = set_imx_hdr_v2; - break; - default: - err_imximage_version(imximage_version); - break; - } -} - -static void print_hdr_v1(struct imx_header *imx_hdr) -{ - imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1; - flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; - dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; - uint32_t size, length, ver; - - size = dcd_v1->preamble.length; - if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) { - fprintf(stderr, - "Error: Image corrupt DCD size %d exceed maximum %d\n", - (uint32_t)(size / sizeof(dcd_type_addr_data_t)), - MAX_HW_CFG_SIZE_V1); - exit(EXIT_FAILURE); - } - - length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t); - ver = detect_imximage_version(imx_hdr); - - printf("Image Type: Freescale IMX Boot Image\n"); - printf("Image Ver: %x", ver); - printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver)); - printf("Data Size: "); - genimg_print_size(dcd_v1->addr_data[length].type); - printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr); - printf("Entry Point: %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector); -} - -static void print_hdr_v2(struct imx_header *imx_hdr) -{ - imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2; - flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; - dcd_v2_t *dcd_v2 = &hdr_v2->dcd_table; - uint32_t size, version; - - size = be16_to_cpu(dcd_v2->header.length) - 8; - if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) { - fprintf(stderr, - "Error: Image corrupt DCD size %d exceed maximum %d\n", - (uint32_t)(size / sizeof(dcd_addr_data_t)), - MAX_HW_CFG_SIZE_V2); - exit(EXIT_FAILURE); - } - - version = detect_imximage_version(imx_hdr); - - printf("Image Type: Freescale IMX Boot Image\n"); - printf("Image Ver: %x", version); - printf("%s\n", get_table_entry_name(imximage_versions, NULL, version)); - printf("Data Size: "); - genimg_print_size(hdr_v2->boot_data.size); - printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr); - printf("Entry Point: %08x\n", (uint32_t)fhdr_v2->entry); -} - -static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token, - char *name, int lineno, int fld, int dcd_len) -{ - int value; - static int cmd_ver_first = ~0; - - switch (cmd) { - case CMD_IMAGE_VERSION: - imximage_version = get_cfg_value(token, name, lineno); - if (cmd_ver_first == 0) { - fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION " - "command need be the first before other " - "valid command in the file\n", name, lineno); - exit(EXIT_FAILURE); - } - cmd_ver_first = 1; - set_hdr_func(imxhdr); - break; - case CMD_BOOT_FROM: - 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); - } - if (unlikely(cmd_ver_first != 1)) - cmd_ver_first = 0; - break; - case CMD_DATA: - value = get_cfg_value(token, name, lineno); - (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len); - if (unlikely(cmd_ver_first != 1)) - cmd_ver_first = 0; - break; - } -} - -static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd, - char *token, char *name, int lineno, int fld, int *dcd_len) -{ - int value; - - 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: - parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len); - break; - case CFG_REG_ADDRESS: - case CFG_REG_VALUE: - if (*cmd != CMD_DATA) - return; - - value = get_cfg_value(token, name, lineno); - (*set_dcd_val)(imxhdr, name, lineno, fld, value, *dcd_len); - - if (fld == CFG_REG_VALUE) - (*dcd_len)++; - break; - default: - break; - } -} -static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name) -{ - FILE *fd = NULL; - char *line = NULL; - char *token, *saveptr1, *saveptr2; - int lineno = 0; - int fld; - size_t len; - int dcd_len = 0; - 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_cfg_fld(imxhdr, &cmd, token, name, - lineno, fld, &dcd_len); - } - - } - - (*set_dcd_rst)(imxhdr, dcd_len, name, lineno); - fclose(fd); - - return dcd_len; -} - - -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; - - if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID) - return -FDT_ERR_BADSTRUCTURE; - - return 0; -} - -static void imximage_print_header(const void *ptr) -{ - struct imx_header *imx_hdr = (struct imx_header *) ptr; - uint32_t version = detect_imximage_version(imx_hdr); - - switch (version) { - case IMXIMAGE_V1: - print_hdr_v1(imx_hdr); - break; - case IMXIMAGE_V2: - print_hdr_v2(imx_hdr); - break; - default: - err_imximage_version(version); - break; - } -} - -static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd, - struct mkimage_params *params) -{ - struct imx_header *imxhdr = (struct imx_header *)ptr; - uint32_t dcd_len; - - /* - * In order to not change the old imx cfg file - * by adding VERSION command into it, here need - * set up function ptr group to V1 by default. - */ - imximage_version = IMXIMAGE_V1; - set_hdr_func(imxhdr); - - /* Parse dcd configuration file */ - dcd_len = parse_cfg_file(imxhdr, params->imagename); - - /* Set the imx header */ - (*set_imx_hdr)(imxhdr, dcd_len, sbuf, params); -} - -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 5x 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); -} |