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-rw-r--r--tools/imximage.c324
1 files changed, 324 insertions, 0 deletions
diff --git a/tools/imximage.c b/tools/imximage.c
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+++ b/tools/imximage.c
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+/*
+ * (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);
+}
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