diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/Makefile | 2 | ||||
| -rw-r--r-- | tools/imximage.c | 324 | ||||
| -rw-r--r-- | tools/imximage.h | 105 | ||||
| -rw-r--r-- | tools/mkimage.c | 2 | ||||
| -rw-r--r-- | tools/mkimage.h | 1 |
5 files changed, 434 insertions, 0 deletions
diff --git a/tools/Makefile b/tools/Makefile index d3b1518..f8b69de 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -82,6 +82,7 @@ OBJ_FILES-$(CONFIG_CMD_NET) += gen_eth_addr.o OBJ_FILES-$(CONFIG_CMD_LOADS) += img2srec.o OBJ_FILES-$(CONFIG_INCA_IP) += inca-swap-bytes.o NOPED_OBJ_FILES-y += kwbimage.o +NOPED_OBJ_FILES-y += imximage.o NOPED_OBJ_FILES-y += mkimage.o OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o NOPED_OBJ_FILES-y += os_support.o @@ -167,6 +168,7 @@ $(obj)mkimage$(SFX): $(obj)crc32.o \ $(obj)default_image.o \ $(obj)fit_image.o \ $(obj)image.o \ + $(obj)imximage.o \ $(obj)kwbimage.o \ $(obj)md5.o \ $(obj)mkimage.o \ diff --git a/tools/imximage.c b/tools/imximage.c new file mode 100644 index 0000000..c1fdafb --- /dev/null +++ b/tools/imximage.c @@ -0,0 +1,324 @@ +/* + * (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 + */ + +#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); +} diff --git a/tools/imximage.h b/tools/imximage.h new file mode 100644 index 0000000..c579f51 --- /dev/null +++ b/tools/imximage.h @@ -0,0 +1,105 @@ +/* + * (C) Copyright 2009 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * 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 + */ + +#ifndef _IMXIMAGE_H_ +#define _IMXIMAGE_H_ + +#define MAX_HW_CFG_SIZE 60 /* Max number of registers imx can set */ +#define MAX_EXP_SIZE 4 +#define APP_CODE_BARKER 0xB1 +#define DCD_BARKER 0xB17219E9 +#define HEADER_OFFSET 0x400 + + +#define CMD_DATA_STR "DATA" +#define FLASH_OFFSET_STANDARD 0x400 +#define FLASH_OFFSET_NAND FLASH_OFFSET_STANDARD +#define FLASH_OFFSET_SD FLASH_OFFSET_STANDARD +#define FLASH_OFFSET_SPI FLASH_OFFSET_STANDARD +#define FLASH_OFFSET_ONENAND 0x100 + +enum imximage_cmd { + CMD_INVALID, + CMD_BOOT_FROM, + CMD_DATA +}; + +enum imximage_fld_types { + CFG_INVALID = -1, + CFG_COMMAND, + CFG_REG_SIZE, + CFG_REG_ADDRESS, + CFG_REG_VALUE +}; + +typedef struct { + uint8_t rsa_exponent[MAX_EXP_SIZE]; /* RSA public exponent */ + uint8_t *rsa_modulus; /* RSA modulus pointer */ + uint16_t exponent_size; /* Exponent size (bytes) */ + uint16_t modulus_size; /* Modulus size (bytes) */ + uint8_t init_flag; /* key initialized */ +} hab_rsa_public_key; + +typedef struct { + uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */ + uint32_t addr; /* Address to write to */ + uint32_t value; /* Data to write */ +} dcd_type_addr_data_t; + +typedef struct { + uint32_t barker; /* Barker for sanity check */ + uint32_t length; /* Device configuration length (without preamble) */ +} dcd_preamble_t; + +typedef struct { + dcd_preamble_t preamble; + dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE]; +} dcd_t; + +typedef struct { + uint32_t app_code_jump_vector; + uint32_t app_code_barker; + uint32_t app_code_csf; + uint32_t dcd_ptr_ptr; + hab_rsa_public_key *super_root_key; + uint32_t dcd_ptr; + uint32_t app_dest_ptr; +} flash_header_t; + +typedef struct { + uint32_t length; /* Length of data to be read from flash */ +} flash_cfg_parms_t; + +struct imx_header { + flash_header_t fhdr; + dcd_t dcd_table; + flash_cfg_parms_t ext_header; + uint32_t flash_offset; +}; + +struct reg_config { + uint32_t raddr; + uint32_t rdata; +}; + +#endif /* _IMXIMAGE_H_ */ diff --git a/tools/mkimage.c b/tools/mkimage.c index 1bed933..cf4b754 100644 --- a/tools/mkimage.c +++ b/tools/mkimage.c @@ -150,6 +150,8 @@ main (int argc, char **argv) /* Init Kirkwood Boot image generation/list support */ init_kwb_image_type (); + /* Init Freescale imx Boot image generation/list support */ + init_imx_image_type (); /* Init FIT image generation/list support */ init_fit_image_type (); /* Init Default image generation/list support */ diff --git a/tools/mkimage.h b/tools/mkimage.h index ec67336..9033a7d 100644 --- a/tools/mkimage.h +++ b/tools/mkimage.h @@ -140,6 +140,7 @@ void mkimage_register (struct image_type_params *tparams); * Supported image types init functions */ void init_kwb_image_type (void); +void init_imx_image_type (void); void init_default_image_type (void); void init_fit_image_type (void); |