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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (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>
- */
- #include "imagetool.h"
- #include <image.h>
- #include "imximage.h"
- #include <generated/autoconf.h>
- #define UNDEFINED 0xFFFFFFFF
- #if !defined(CONFIG_IMX_DCD_ADDR)
- #define CONFIG_IMX_DCD_ADDR 0x00910000
- #endif
- /*
- * Supported commands for configuration file
- */
- static table_entry_t imximage_cmds[] = {
- {CMD_BOOT_FROM, "BOOT_FROM", "boot command", },
- {CMD_BOOT_OFFSET, "BOOT_OFFSET", "Boot offset", },
- {CMD_WRITE_DATA, "DATA", "Reg Write Data", },
- {CMD_WRITE_CLR_BIT, "CLR_BIT", "Reg clear bit", },
- {CMD_WRITE_SET_BIT, "SET_BIT", "Reg set bit", },
- {CMD_CHECK_BITS_SET, "CHECK_BITS_SET", "Reg Check bits set", },
- {CMD_CHECK_BITS_CLR, "CHECK_BITS_CLR", "Reg Check bits clr", },
- {CMD_CSF, "CSF", "Command Sequence File", },
- {CMD_IMAGE_VERSION, "IMAGE_VERSION", "image version", },
- {CMD_PLUGIN, "PLUGIN", "file plugin_addr", },
- {-1, "", "", },
- };
- /*
- * Supported Boot options for configuration file
- * this is needed to set the correct flash offset
- */
- static table_entry_t imximage_boot_offset[] = {
- {FLASH_OFFSET_ONENAND, "onenand", "OneNAND Flash",},
- {FLASH_OFFSET_NAND, "nand", "NAND Flash", },
- {FLASH_OFFSET_NOR, "nor", "NOR Flash", },
- {FLASH_OFFSET_SATA, "sata", "SATA Disk", },
- {FLASH_OFFSET_SD, "sd", "SD Card", },
- {FLASH_OFFSET_SPI, "spi", "SPI Flash", },
- {FLASH_OFFSET_QSPI, "qspi", "QSPI NOR Flash",},
- {-1, "", "Invalid", },
- };
- /*
- * Supported Boot options for configuration file
- * this is needed to determine the initial load size
- */
- static table_entry_t imximage_boot_loadsize[] = {
- {FLASH_LOADSIZE_ONENAND, "onenand", "OneNAND Flash",},
- {FLASH_LOADSIZE_NAND, "nand", "NAND Flash", },
- {FLASH_LOADSIZE_NOR, "nor", "NOR Flash", },
- {FLASH_LOADSIZE_SATA, "sata", "SATA Disk", },
- {FLASH_LOADSIZE_SD, "sd", "SD Card", },
- {FLASH_LOADSIZE_SPI, "spi", "SPI Flash", },
- {FLASH_LOADSIZE_QSPI, "qspi", "QSPI NOR 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.MX53/6/7 compatible)", },
- {-1, "", " (Invalid)", },
- };
- static struct imx_header imximage_header;
- static uint32_t imximage_version;
- /*
- * Image Vector Table Offset
- * Initialized to a wrong not 4-bytes aligned address to
- * check if it is was set by the cfg file.
- */
- static uint32_t imximage_ivt_offset = UNDEFINED;
- static uint32_t imximage_csf_size = UNDEFINED;
- /* Initial Load Region Size */
- static uint32_t imximage_init_loadsize;
- static uint32_t imximage_iram_free_start;
- static uint32_t imximage_plugin_size;
- static uint32_t plugin_image;
- static set_dcd_val_t set_dcd_val;
- static set_dcd_param_t set_dcd_param;
- static set_dcd_rst_t set_dcd_rst;
- static set_imx_hdr_t set_imx_hdr;
- static uint32_t max_dcd_entries;
- static uint32_t *header_size_ptr;
- static uint32_t *csf_ptr;
- 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->data.dcd_table.header.tag == DCD_HEADER_TAG))
- return IMXIMAGE_V2;
- if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
- hdr_v2->boot_data.plugin)
- 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 struct dcd_v2_cmd *gd_last_cmd;
- static void set_dcd_param_v2(struct imx_header *imxhdr, uint32_t dcd_len,
- int32_t cmd)
- {
- dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table;
- struct dcd_v2_cmd *d = gd_last_cmd;
- struct dcd_v2_cmd *d2;
- int len;
- if (!d)
- d = &dcd_v2->dcd_cmd;
- d2 = d;
- len = be16_to_cpu(d->write_dcd_command.length);
- if (len > 4)
- d2 = (struct dcd_v2_cmd *)(((char *)d) + len);
- switch (cmd) {
- case CMD_WRITE_DATA:
- if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
- (d->write_dcd_command.param == DCD_WRITE_DATA_PARAM))
- break;
- d = d2;
- d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
- d->write_dcd_command.length = cpu_to_be16(4);
- d->write_dcd_command.param = DCD_WRITE_DATA_PARAM;
- break;
- case CMD_WRITE_CLR_BIT:
- if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
- (d->write_dcd_command.param == DCD_WRITE_CLR_BIT_PARAM))
- break;
- d = d2;
- d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
- d->write_dcd_command.length = cpu_to_be16(4);
- d->write_dcd_command.param = DCD_WRITE_CLR_BIT_PARAM;
- break;
- case CMD_WRITE_SET_BIT:
- if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
- (d->write_dcd_command.param == DCD_WRITE_SET_BIT_PARAM))
- break;
- d = d2;
- d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
- d->write_dcd_command.length = cpu_to_be16(4);
- d->write_dcd_command.param = DCD_WRITE_SET_BIT_PARAM;
- break;
- /*
- * Check data command only supports one entry,
- */
- case CMD_CHECK_BITS_SET:
- d = d2;
- d->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG;
- d->write_dcd_command.length = cpu_to_be16(4);
- d->write_dcd_command.param = DCD_CHECK_BITS_SET_PARAM;
- break;
- case CMD_CHECK_BITS_CLR:
- d = d2;
- d->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG;
- d->write_dcd_command.length = cpu_to_be16(4);
- d->write_dcd_command.param = DCD_CHECK_BITS_CLR_PARAM;
- break;
- default:
- break;
- }
- gd_last_cmd = d;
- }
- static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno,
- int fld, uint32_t value, uint32_t off)
- {
- struct dcd_v2_cmd *d = gd_last_cmd;
- int len;
- len = be16_to_cpu(d->write_dcd_command.length);
- off = (len - 4) >> 3;
- switch (fld) {
- case CFG_REG_ADDRESS:
- d->addr_data[off].addr = cpu_to_be32(value);
- break;
- case CFG_REG_VALUE:
- d->addr_data[off].value = cpu_to_be32(value);
- off++;
- d->write_dcd_command.length = cpu_to_be16((off << 3) + 4);
- 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;
- 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)
- {
- if (!imxhdr->header.hdr_v2.boot_data.plugin) {
- dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table;
- struct dcd_v2_cmd *d = gd_last_cmd;
- int len;
- if (!d)
- d = &dcd_v2->dcd_cmd;
- len = be16_to_cpu(d->write_dcd_command.length);
- if (len > 4)
- d = (struct dcd_v2_cmd *)(((char *)d) + len);
- len = (char *)d - (char *)&dcd_v2->header;
- dcd_v2->header.tag = DCD_HEADER_TAG;
- dcd_v2->header.length = cpu_to_be16(len);
- dcd_v2->header.version = DCD_VERSION;
- }
- }
- static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len,
- uint32_t entry_point, uint32_t flash_offset)
- {
- 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 hdr_base;
- uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr)
- - ((char *)imxhdr));
- /* Set magic number */
- fhdr_v1->app_code_barker = APP_CODE_BARKER;
- hdr_base = entry_point - imximage_init_loadsize + flash_offset;
- fhdr_v1->app_dest_ptr = hdr_base - flash_offset;
- fhdr_v1->app_code_jump_vector = entry_point;
- fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr);
- fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table);
- /* Security feature are not supported */
- fhdr_v1->app_code_csf = 0;
- fhdr_v1->super_root_key = 0;
- header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4);
- }
- static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len,
- uint32_t entry_point, uint32_t flash_offset)
- {
- imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2;
- flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
- uint32_t hdr_base;
- /* 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 */
- if (!hdr_v2->boot_data.plugin) {
- fhdr_v2->entry = entry_point;
- fhdr_v2->reserved1 = 0;
- fhdr_v2->reserved1 = 0;
- hdr_base = entry_point - imximage_init_loadsize +
- flash_offset;
- fhdr_v2->self = hdr_base;
- if (dcd_len > 0)
- fhdr_v2->dcd_ptr = hdr_base +
- offsetof(imx_header_v2_t, data);
- else
- fhdr_v2->dcd_ptr = 0;
- fhdr_v2->boot_data_ptr = hdr_base
- + offsetof(imx_header_v2_t, boot_data);
- hdr_v2->boot_data.start = entry_point - imximage_init_loadsize;
- fhdr_v2->csf = 0;
- header_size_ptr = &hdr_v2->boot_data.size;
- csf_ptr = &fhdr_v2->csf;
- } else {
- imx_header_v2_t *next_hdr_v2;
- flash_header_v2_t *next_fhdr_v2;
- if (imximage_csf_size != 0) {
- fprintf(stderr, "Error: Header v2: SECURE_BOOT is only supported in DCD mode!");
- exit(EXIT_FAILURE);
- }
- fhdr_v2->entry = imximage_iram_free_start +
- flash_offset + sizeof(flash_header_v2_t) +
- sizeof(boot_data_t);
- fhdr_v2->reserved1 = 0;
- fhdr_v2->reserved2 = 0;
- fhdr_v2->self = imximage_iram_free_start + flash_offset;
- fhdr_v2->dcd_ptr = 0;
- fhdr_v2->boot_data_ptr = fhdr_v2->self +
- offsetof(imx_header_v2_t, boot_data);
- hdr_v2->boot_data.start = imximage_iram_free_start;
- /*
- * The actural size of plugin image is "imximage_plugin_size +
- * sizeof(flash_header_v2_t) + sizeof(boot_data_t)", plus the
- * flash_offset space.The ROM code only need to copy this size
- * to run the plugin code. However, later when copy the whole
- * U-Boot image to DDR, the ROM code use memcpy to copy the
- * first part of the image, and use the storage read function
- * to get the remaining part. This requires the dividing point
- * must be multiple of storage sector size. Here we set the
- * first section to be MAX_PLUGIN_CODE_SIZE(64KB) for this
- * purpose.
- */
- hdr_v2->boot_data.size = MAX_PLUGIN_CODE_SIZE;
- /* Security feature are not supported */
- fhdr_v2->csf = 0;
- next_hdr_v2 = (imx_header_v2_t *)((char *)hdr_v2 +
- imximage_plugin_size);
- next_fhdr_v2 = &next_hdr_v2->fhdr;
- next_fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
- next_fhdr_v2->header.length =
- cpu_to_be16(sizeof(flash_header_v2_t));
- next_fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
- next_fhdr_v2->entry = entry_point;
- hdr_base = entry_point - sizeof(struct imx_header);
- next_fhdr_v2->reserved1 = 0;
- next_fhdr_v2->reserved2 = 0;
- next_fhdr_v2->self = hdr_base + imximage_plugin_size;
- next_fhdr_v2->dcd_ptr = 0;
- next_fhdr_v2->boot_data_ptr = next_fhdr_v2->self +
- offsetof(imx_header_v2_t, boot_data);
- next_hdr_v2->boot_data.start = hdr_base - flash_offset;
- header_size_ptr = &next_hdr_v2->boot_data.size;
- next_hdr_v2->boot_data.plugin = 0;
- next_fhdr_v2->csf = 0;
- }
- }
- static void set_hdr_func(void)
- {
- switch (imximage_version) {
- case IMXIMAGE_V1:
- set_dcd_val = set_dcd_val_v1;
- set_dcd_param = NULL;
- set_dcd_rst = set_dcd_rst_v1;
- set_imx_hdr = set_imx_hdr_v1;
- max_dcd_entries = MAX_HW_CFG_SIZE_V1;
- break;
- case IMXIMAGE_V2:
- gd_last_cmd = NULL;
- set_dcd_val = set_dcd_val_v2;
- set_dcd_param = set_dcd_param_v2;
- set_dcd_rst = set_dcd_rst_v2;
- set_imx_hdr = set_imx_hdr_v2;
- max_dcd_entries = MAX_HW_CFG_SIZE_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->data.dcd_table;
- uint32_t size, version, plugin;
- plugin = hdr_v2->boot_data.plugin;
- if (!plugin) {
- size = be16_to_cpu(dcd_v2->header.length);
- 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("Mode: %s\n", plugin ? "PLUGIN" : "DCD");
- if (!plugin) {
- 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);
- if (fhdr_v2->csf) {
- uint16_t dcdlen;
- int offs;
- dcdlen = hdr_v2->data.dcd_table.header.length;
- offs = (char *)&hdr_v2->data.dcd_table
- - (char *)hdr_v2;
- /*
- * The HAB block is the first part of the image, from
- * start of IVT header (fhdr_v2->self) to the start of
- * the CSF block (fhdr_v2->csf). So HAB size is
- * calculated as:
- * HAB_size = fhdr_v2->csf - fhdr_v2->self
- */
- printf("HAB Blocks: 0x%08x 0x%08x 0x%08x\n",
- (uint32_t)fhdr_v2->self, 0,
- (uint32_t)(fhdr_v2->csf - fhdr_v2->self));
- printf("DCD Blocks: 0x%08x 0x%08x 0x%08x\n",
- CONFIG_IMX_DCD_ADDR, offs, be16_to_cpu(dcdlen));
- }
- } else {
- imx_header_v2_t *next_hdr_v2;
- flash_header_v2_t *next_fhdr_v2;
- /*First Header*/
- printf("Plugin Data Size: ");
- genimg_print_size(hdr_v2->boot_data.size);
- printf("Plugin Code Size: ");
- genimg_print_size(imximage_plugin_size);
- printf("Plugin Load Address: %08x\n", hdr_v2->boot_data.start);
- printf("Plugin Entry Point: %08x\n", (uint32_t)fhdr_v2->entry);
- /*Second Header*/
- next_hdr_v2 = (imx_header_v2_t *)((char *)hdr_v2 +
- imximage_plugin_size);
- next_fhdr_v2 = &next_hdr_v2->fhdr;
- printf("U-Boot Data Size: ");
- genimg_print_size(next_hdr_v2->boot_data.size);
- printf("U-Boot Load Address: %08x\n",
- next_hdr_v2->boot_data.start);
- printf("U-Boot Entry Point: %08x\n",
- (uint32_t)next_fhdr_v2->entry);
- }
- }
- static void copy_plugin_code(struct imx_header *imxhdr, char *plugin_file)
- {
- int ifd;
- struct stat sbuf;
- char *plugin_buf = imxhdr->header.hdr_v2.data.plugin_code;
- char *ptr;
- ifd = open(plugin_file, O_RDONLY|O_BINARY);
- if (ifd < 0) {
- fprintf(stderr, "Can't open %s: %s\n",
- plugin_file,
- strerror(errno));
- exit(EXIT_FAILURE);
- }
- if (fstat(ifd, &sbuf) < 0) {
- fprintf(stderr, "Can't stat %s: %s\n",
- plugin_file,
- strerror(errno));
- exit(EXIT_FAILURE);
- }
- ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, ifd, 0);
- if (ptr == MAP_FAILED) {
- fprintf(stderr, "Can't read %s: %s\n",
- plugin_file,
- strerror(errno));
- exit(EXIT_FAILURE);
- }
- if (sbuf.st_size > MAX_PLUGIN_CODE_SIZE) {
- printf("plugin binary size too large\n");
- exit(EXIT_FAILURE);
- }
- memcpy(plugin_buf, ptr, sbuf.st_size);
- imximage_plugin_size = sbuf.st_size;
- (void) munmap((void *)ptr, sbuf.st_size);
- (void) close(ifd);
- imxhdr->header.hdr_v2.boot_data.plugin = 1;
- }
- 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();
- break;
- case CMD_BOOT_FROM:
- imximage_ivt_offset = get_table_entry_id(imximage_boot_offset,
- "imximage boot option", token);
- if (imximage_ivt_offset == -1) {
- fprintf(stderr, "Error: %s[%d] -Invalid boot device"
- "(%s)\n", name, lineno, token);
- exit(EXIT_FAILURE);
- }
- imximage_init_loadsize =
- get_table_entry_id(imximage_boot_loadsize,
- "imximage boot option", token);
- if (imximage_init_loadsize == -1) {
- fprintf(stderr,
- "Error: %s[%d] -Invalid boot device(%s)\n",
- name, lineno, token);
- exit(EXIT_FAILURE);
- }
- /*
- * The SOC loads from the storage starting at address 0
- * then ensures that the load size contains the offset
- */
- if (imximage_init_loadsize < imximage_ivt_offset)
- imximage_init_loadsize = imximage_ivt_offset;
- if (unlikely(cmd_ver_first != 1))
- cmd_ver_first = 0;
- break;
- case CMD_BOOT_OFFSET:
- imximage_ivt_offset = get_cfg_value(token, name, lineno);
- if (unlikely(cmd_ver_first != 1))
- cmd_ver_first = 0;
- break;
- case CMD_WRITE_DATA:
- case CMD_WRITE_CLR_BIT:
- case CMD_WRITE_SET_BIT:
- case CMD_CHECK_BITS_SET:
- case CMD_CHECK_BITS_CLR:
- value = get_cfg_value(token, name, lineno);
- if (set_dcd_param)
- (*set_dcd_param)(imxhdr, dcd_len, cmd);
- (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len);
- if (unlikely(cmd_ver_first != 1))
- cmd_ver_first = 0;
- break;
- case CMD_CSF:
- if (imximage_version != 2) {
- fprintf(stderr,
- "Error: %s[%d] - CSF only supported for VERSION 2(%s)\n",
- name, lineno, token);
- exit(EXIT_FAILURE);
- }
- imximage_csf_size = get_cfg_value(token, name, lineno);
- if (unlikely(cmd_ver_first != 1))
- cmd_ver_first = 0;
- break;
- case CMD_PLUGIN:
- plugin_image = 1;
- copy_plugin_code(imxhdr, token);
- 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:
- switch(*cmd) {
- case CMD_WRITE_DATA:
- case CMD_WRITE_CLR_BIT:
- case CMD_WRITE_SET_BIT:
- case CMD_CHECK_BITS_SET:
- case CMD_CHECK_BITS_CLR:
- value = get_cfg_value(token, name, lineno);
- if (set_dcd_param)
- (*set_dcd_param)(imxhdr, *dcd_len, *cmd);
- (*set_dcd_val)(imxhdr, name, lineno, fld, value,
- *dcd_len);
- if (fld == CFG_REG_VALUE) {
- (*dcd_len)++;
- if (*dcd_len > max_dcd_entries) {
- fprintf(stderr, "Error: %s[%d] -"
- "DCD table exceeds maximum size(%d)\n",
- name, lineno, max_dcd_entries);
- exit(EXIT_FAILURE);
- }
- }
- break;
- case CMD_PLUGIN:
- value = get_cfg_value(token, name, lineno);
- imximage_iram_free_start = value;
- break;
- default:
- break;
- }
- 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);
- /* Exit if there is no BOOT_FROM field specifying the flash_offset */
- if (imximage_ivt_offset == FLASH_OFFSET_UNDEFINED) {
- fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name);
- exit(EXIT_FAILURE);
- }
- 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 image_tool_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 image_tool_params *params)
- {
- struct imx_header *imxhdr = (struct imx_header *)ptr;
- uint32_t dcd_len;
- uint32_t header_size;
- /*
- * 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;
- /* Be able to detect if the cfg file has no BOOT_FROM tag */
- imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
- imximage_csf_size = 0;
- set_hdr_func();
- /* Parse dcd configuration file */
- dcd_len = parse_cfg_file(imxhdr, params->imagename);
- if (imximage_version == IMXIMAGE_V1)
- header_size = sizeof(flash_header_v1_t);
- else {
- header_size = sizeof(flash_header_v2_t) + sizeof(boot_data_t);
- if (!plugin_image)
- header_size += sizeof(dcd_v2_t);
- else
- header_size += MAX_PLUGIN_CODE_SIZE;
- }
- if (imximage_init_loadsize < imximage_ivt_offset + header_size)
- imximage_init_loadsize = imximage_ivt_offset + header_size;
- /* Set the imx header */
- (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset);
- /*
- * ROM bug alert
- *
- * MX53 only loads 512 byte multiples in case of SD boot.
- * MX53 only loads NAND page multiples in case of NAND boot and
- * supports up to 4096 byte large pages, thus align to 4096.
- *
- * The remaining fraction of a block bytes would not be loaded!
- */
- *header_size_ptr = ROUND((sbuf->st_size + imximage_ivt_offset), 4096);
- if (csf_ptr && imximage_csf_size) {
- *csf_ptr = params->ep - imximage_init_loadsize +
- *header_size_ptr;
- *header_size_ptr += imximage_csf_size;
- }
- }
- int imximage_check_params(struct image_tool_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));
- }
- static int imximage_generate(struct image_tool_params *params,
- struct image_type_params *tparams)
- {
- struct imx_header *imxhdr;
- size_t alloc_len;
- struct stat sbuf;
- char *datafile = params->datafile;
- uint32_t pad_len, header_size;
- memset(&imximage_header, 0, sizeof(imximage_header));
- /*
- * 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;
- /* Be able to detect if the cfg file has no BOOT_FROM tag */
- imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
- imximage_csf_size = 0;
- set_hdr_func();
- /* Parse dcd configuration file */
- parse_cfg_file(&imximage_header, params->imagename);
- if (imximage_version == IMXIMAGE_V1)
- header_size = sizeof(imx_header_v1_t);
- else {
- header_size = sizeof(flash_header_v2_t) + sizeof(boot_data_t);
- if (!plugin_image)
- header_size += sizeof(dcd_v2_t);
- else
- header_size += MAX_PLUGIN_CODE_SIZE;
- }
- if (imximage_init_loadsize < imximage_ivt_offset + header_size)
- imximage_init_loadsize = imximage_ivt_offset + header_size;
- alloc_len = imximage_init_loadsize - imximage_ivt_offset;
- if (alloc_len < header_size) {
- fprintf(stderr, "%s: header error\n",
- params->cmdname);
- exit(EXIT_FAILURE);
- }
- imxhdr = malloc(alloc_len);
- if (!imxhdr) {
- fprintf(stderr, "%s: malloc return failure: %s\n",
- params->cmdname, strerror(errno));
- exit(EXIT_FAILURE);
- }
- memset(imxhdr, 0, alloc_len);
- tparams->header_size = alloc_len;
- tparams->hdr = imxhdr;
- /* determine data image file length */
- if (stat(datafile, &sbuf) < 0) {
- fprintf(stderr, "%s: Can't stat %s: %s\n",
- params->cmdname, datafile, strerror(errno));
- exit(EXIT_FAILURE);
- }
- pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size;
- return pad_len;
- }
- /*
- * imximage parameters
- */
- U_BOOT_IMAGE_TYPE(
- imximage,
- "Freescale i.MX Boot Image support",
- 0,
- NULL,
- imximage_check_params,
- imximage_verify_header,
- imximage_print_header,
- imximage_set_header,
- NULL,
- imximage_check_image_types,
- NULL,
- imximage_generate
- );
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