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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright 2018 NXP
- *
- * Peng Fan <peng.fan@nxp.com>
- */
- #include "imagetool.h"
- #include <image.h>
- #include "imximage.h"
- #include "compiler.h"
- static uint32_t ap_start_addr, sld_start_addr, sld_src_off;
- static char *ap_img, *sld_img, *signed_hdmi;
- static imx_header_v3_t imx_header[2]; /* At most there are 3 IVT headers */
- static uint32_t rom_image_offset;
- static uint32_t sector_size = 0x200;
- static uint32_t image_off;
- static uint32_t sld_header_off;
- static uint32_t ivt_offset;
- static uint32_t using_fit;
- #define ROM_V1 1
- #define ROM_V2 2
- static uint32_t rom_version = ROM_V1;
- #define CSF_SIZE 0x2000
- #define HDMI_IVT_ID 0
- #define IMAGE_IVT_ID 1
- #define HDMI_FW_SIZE 0x17000 /* Use Last 0x1000 for IVT and CSF */
- #define ALIGN_SIZE 0x1000
- #define ALIGN_IMX(x, a) __ALIGN_MASK_IMX((x), (__typeof__(x))(a) - 1, a)
- #define __ALIGN_MASK_IMX(x, mask, mask2) (((x) + (mask)) / (mask2) * (mask2))
- 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;
- }
- int imx8mimage_check_params(struct image_tool_params *params)
- {
- return 0;
- }
- static void imx8mimage_set_header(void *ptr, struct stat *sbuf, int ifd,
- struct image_tool_params *params)
- {
- }
- static void imx8mimage_print_header(const void *ptr)
- {
- }
- static int imx8mimage_check_image_types(uint8_t type)
- {
- return (type == IH_TYPE_IMX8MIMAGE) ? EXIT_SUCCESS : EXIT_FAILURE;
- }
- static table_entry_t imx8mimage_cmds[] = {
- {CMD_BOOT_FROM, "BOOT_FROM", "boot command", },
- {CMD_FIT, "FIT", "fit image", },
- {CMD_SIGNED_HDMI, "SIGNED_HDMI", "signed hdmi image", },
- {CMD_LOADER, "LOADER", "loader image", },
- {CMD_SECOND_LOADER, "SECOND_LOADER", "2nd loader image", },
- {CMD_DDR_FW, "DDR_FW", "ddr firmware", },
- {CMD_ROM_VERSION, "ROM_VERSION", "rom version", },
- {-1, "", "", },
- };
- static table_entry_t imx8mimage_ivt_offset[] = {
- {0x400, "sd", "sd/emmc",},
- {0x400, "emmc_fastboot", "emmc fastboot",},
- {0x1000, "fspi", "flexspi", },
- {-1, "", "Invalid", },
- };
- static void parse_cfg_cmd(int32_t cmd, char *token, char *name, int lineno)
- {
- switch (cmd) {
- case CMD_BOOT_FROM:
- ivt_offset = get_table_entry_id(imx8mimage_ivt_offset,
- "imx8mimage ivt offset",
- token);
- if (!strncmp(token, "sd", 2))
- rom_image_offset = 0x8000;
- if (rom_version == ROM_V2)
- ivt_offset = 0;
- break;
- case CMD_LOADER:
- ap_img = token;
- break;
- case CMD_SECOND_LOADER:
- sld_img = token;
- break;
- case CMD_SIGNED_HDMI:
- signed_hdmi = token;
- break;
- case CMD_DDR_FW:
- /* Do nothing */
- break;
- case CMD_ROM_VERSION:
- if (!strncmp(token, "v2", 2)) {
- rom_version = ROM_V2;
- ivt_offset = 0;
- } else if (!strncmp(token, "v1", 2)) {
- rom_version = ROM_V1;
- }
- break;
- }
- }
- static void parse_cfg_fld(int32_t *cmd, char *token,
- char *name, int lineno, int fld)
- {
- switch (fld) {
- case CFG_COMMAND:
- *cmd = get_table_entry_id(imx8mimage_cmds,
- "imx8mimage commands", token);
- if (*cmd < 0) {
- fprintf(stderr, "Error: %s[%d] - Invalid command" "(%s)\n",
- name, lineno, token);
- exit(EXIT_FAILURE);
- }
- switch (*cmd) {
- case CMD_FIT:
- using_fit = 1;
- break;
- }
- break;
- case CFG_REG_SIZE:
- parse_cfg_cmd(*cmd, token, name, lineno);
- break;
- case CFG_REG_ADDRESS:
- switch (*cmd) {
- case CMD_LOADER:
- ap_start_addr = get_cfg_value(token, name, lineno);
- break;
- case CMD_SECOND_LOADER:
- sld_start_addr = get_cfg_value(token, name, lineno);
- break;
- }
- break;
- case CFG_REG_VALUE:
- switch (*cmd) {
- case CMD_SECOND_LOADER:
- sld_src_off = get_cfg_value(token, name, lineno);
- break;
- }
- default:
- break;
- }
- }
- static uint32_t parse_cfg_file(char *name)
- {
- FILE *fd = NULL;
- char *line = NULL;
- char *token, *saveptr1, *saveptr2;
- int lineno = 0;
- int fld;
- size_t len;
- int32_t cmd;
- fd = fopen(name, "r");
- if (fd == 0) {
- fprintf(stderr, "Error: %s - Can't open cfg 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)
- continue;
- /* Check inside the single line */
- for (fld = CFG_COMMAND, cmd = CFG_INVALID,
- line = token; ; line = NULL, fld++) {
- token = strtok_r(line, " \t", &saveptr2);
- if (!token)
- break;
- /* Drop all text starting with '#' as comments */
- if (token[0] == '#')
- break;
- parse_cfg_fld(&cmd, token, name, lineno, fld);
- }
- }
- return 0;
- }
- static void fill_zero(int ifd, int size, int offset)
- {
- int fill_size;
- uint8_t zeros[4096];
- int ret;
- memset(zeros, 0, sizeof(zeros));
- ret = lseek(ifd, offset, SEEK_SET);
- if (ret < 0) {
- fprintf(stderr, "%s seek: %s\n", __func__, strerror(errno));
- exit(EXIT_FAILURE);
- }
- while (size) {
- if (size > 4096)
- fill_size = 4096;
- else
- fill_size = size;
- if (write(ifd, (char *)&zeros, fill_size) != fill_size) {
- fprintf(stderr, "Write error: %s\n",
- strerror(errno));
- exit(EXIT_FAILURE);
- }
- size -= fill_size;
- };
- }
- static void copy_file(int ifd, const char *datafile, int pad, int offset,
- int datafile_offset)
- {
- int dfd;
- struct stat sbuf;
- unsigned char *ptr;
- int tail;
- uint64_t zero = 0;
- uint8_t zeros[4096];
- int size, ret;
- memset(zeros, 0, sizeof(zeros));
- dfd = open(datafile, O_RDONLY | O_BINARY);
- if (dfd < 0) {
- fprintf(stderr, "Can't open %s: %s\n",
- datafile, strerror(errno));
- exit(EXIT_FAILURE);
- }
- if (fstat(dfd, &sbuf) < 0) {
- fprintf(stderr, "Can't stat %s: %s\n",
- datafile, strerror(errno));
- exit(EXIT_FAILURE);
- }
- ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
- if (ptr == MAP_FAILED) {
- fprintf(stderr, "Can't read %s: %s\n",
- datafile, strerror(errno));
- exit(EXIT_FAILURE);
- }
- size = sbuf.st_size - datafile_offset;
- ret = lseek(ifd, offset, SEEK_SET);
- if (ret < 0) {
- fprintf(stderr, "lseek ifd fail\n");
- exit(EXIT_FAILURE);
- }
- if (write(ifd, ptr + datafile_offset, size) != size) {
- fprintf(stderr, "Write error %s\n",
- strerror(errno));
- exit(EXIT_FAILURE);
- }
- tail = size % 4;
- pad = pad - size;
- if (pad == 1 && tail != 0) {
- if (write(ifd, (char *)&zero, 4 - tail) != 4 - tail) {
- fprintf(stderr, "Write error on %s\n",
- strerror(errno));
- exit(EXIT_FAILURE);
- }
- } else if (pad > 1) {
- while (pad > 0) {
- int todo = sizeof(zeros);
- if (todo > pad)
- todo = pad;
- if (write(ifd, (char *)&zeros, todo) != todo) {
- fprintf(stderr, "Write error: %s\n",
- strerror(errno));
- exit(EXIT_FAILURE);
- }
- pad -= todo;
- }
- }
- munmap((void *)ptr, sbuf.st_size);
- close(dfd);
- }
- /* Return this IVT offset in the final output file */
- static int generate_ivt_for_fit(int fd, int fit_offset, uint32_t ep,
- uint32_t *fit_load_addr)
- {
- image_header_t image_header;
- int ret;
- uint32_t fit_size, load_addr;
- int align_len = 64 - 1; /* 64 is cacheline size */
- ret = lseek(fd, fit_offset, SEEK_SET);
- if (ret < 0) {
- fprintf(stderr, "lseek fd fail for fit\n");
- exit(EXIT_FAILURE);
- }
- if (read(fd, (char *)&image_header, sizeof(image_header_t)) !=
- sizeof(image_header_t)) {
- fprintf(stderr, "generate_ivt_for_fit read failed: %s\n",
- strerror(errno));
- exit(EXIT_FAILURE);
- }
- if (be32_to_cpu(image_header.ih_magic) != FDT_MAGIC) {
- fprintf(stderr, "%s error: not a FIT file\n", __func__);
- exit(EXIT_FAILURE);
- }
- fit_size = fdt_totalsize(&image_header);
- fit_size = ALIGN_IMX(fit_size, ALIGN_SIZE);
- ret = lseek(fd, fit_offset + fit_size, SEEK_SET);
- if (ret < 0) {
- fprintf(stderr, "lseek fd fail for fit\n");
- exit(EXIT_FAILURE);
- }
- /*
- * ep is the u-boot entry. SPL loads the FIT before the u-boot
- * address. 0x2000 is for CSF_SIZE
- */
- load_addr = (ep - (fit_size + CSF_SIZE) - 512 - align_len) &
- ~align_len;
- flash_header_v2_t ivt_header = { { 0xd1, 0x2000, 0x40 },
- load_addr, 0, 0, 0,
- (load_addr + fit_size),
- (load_addr + fit_size + 0x20),
- 0 };
- if (write(fd, &ivt_header, sizeof(flash_header_v2_t)) !=
- sizeof(flash_header_v2_t)) {
- fprintf(stderr, "IVT writing error on fit image\n");
- exit(EXIT_FAILURE);
- }
- *fit_load_addr = load_addr;
- return fit_offset + fit_size;
- }
- static void dump_header_v2(imx_header_v3_t *imx_header, int index)
- {
- const char *ivt_name[2] = {"HDMI FW", "LOADER IMAGE"};
- fprintf(stdout, "========= IVT HEADER [%s] =========\n",
- ivt_name[index]);
- fprintf(stdout, "header.tag: \t\t0x%x\n",
- imx_header[index].fhdr.header.tag);
- fprintf(stdout, "header.length: \t\t0x%x\n",
- imx_header[index].fhdr.header.length);
- fprintf(stdout, "header.version: \t0x%x\n",
- imx_header[index].fhdr.header.version);
- fprintf(stdout, "entry: \t\t\t0x%x\n",
- imx_header[index].fhdr.entry);
- fprintf(stdout, "reserved1: \t\t0x%x\n",
- imx_header[index].fhdr.reserved1);
- fprintf(stdout, "dcd_ptr: \t\t0x%x\n",
- imx_header[index].fhdr.dcd_ptr);
- fprintf(stdout, "boot_data_ptr: \t\t0x%x\n",
- imx_header[index].fhdr.boot_data_ptr);
- fprintf(stdout, "self: \t\t\t0x%x\n",
- imx_header[index].fhdr.self);
- fprintf(stdout, "csf: \t\t\t0x%x\n",
- imx_header[index].fhdr.csf);
- fprintf(stdout, "reserved2: \t\t0x%x\n",
- imx_header[index].fhdr.reserved2);
- fprintf(stdout, "boot_data.start: \t0x%x\n",
- imx_header[index].boot_data.start);
- fprintf(stdout, "boot_data.size: \t0x%x\n",
- imx_header[index].boot_data.size);
- fprintf(stdout, "boot_data.plugin: \t0x%x\n",
- imx_header[index].boot_data.plugin);
- }
- void build_image(int ofd)
- {
- int file_off, header_hdmi_off = 0, header_image_off;
- int hdmi_fd, ap_fd, sld_fd;
- uint32_t sld_load_addr = 0;
- uint32_t csf_off, sld_csf_off = 0;
- int ret;
- struct stat sbuf;
- if (!ap_img) {
- fprintf(stderr, "No LOADER image specificed\n");
- exit(EXIT_FAILURE);
- }
- file_off = 0;
- if (signed_hdmi) {
- header_hdmi_off = file_off + ivt_offset;
- hdmi_fd = open(signed_hdmi, O_RDONLY | O_BINARY);
- if (hdmi_fd < 0) {
- fprintf(stderr, "%s: Can't open: %s\n",
- signed_hdmi, strerror(errno));
- exit(EXIT_FAILURE);
- }
- if (fstat(hdmi_fd, &sbuf) < 0) {
- fprintf(stderr, "%s: Can't stat: %s\n",
- signed_hdmi, strerror(errno));
- exit(EXIT_FAILURE);
- }
- close(hdmi_fd);
- /*
- * Aligned to 104KB = 92KB FW image + 0x8000
- * (IVT and alignment) + 0x4000 (second IVT + CSF)
- */
- file_off += ALIGN_IMX(sbuf.st_size,
- HDMI_FW_SIZE + 0x2000 + 0x1000);
- }
- header_image_off = file_off + ivt_offset;
- ap_fd = open(ap_img, O_RDONLY | O_BINARY);
- if (ap_fd < 0) {
- fprintf(stderr, "%s: Can't open: %s\n",
- ap_img, strerror(errno));
- exit(EXIT_FAILURE);
- }
- if (fstat(ap_fd, &sbuf) < 0) {
- fprintf(stderr, "%s: Can't stat: %s\n",
- ap_img, strerror(errno));
- exit(EXIT_FAILURE);
- }
- close(ap_fd);
- imx_header[IMAGE_IVT_ID].fhdr.header.tag = IVT_HEADER_TAG; /* 0xD1 */
- imx_header[IMAGE_IVT_ID].fhdr.header.length =
- cpu_to_be16(sizeof(flash_header_v2_t));
- imx_header[IMAGE_IVT_ID].fhdr.header.version = IVT_VERSION_V3; /* 0x41 */
- imx_header[IMAGE_IVT_ID].fhdr.entry = ap_start_addr;
- imx_header[IMAGE_IVT_ID].fhdr.self = ap_start_addr -
- sizeof(imx_header_v3_t);
- imx_header[IMAGE_IVT_ID].fhdr.dcd_ptr = 0;
- imx_header[IMAGE_IVT_ID].fhdr.boot_data_ptr =
- imx_header[IMAGE_IVT_ID].fhdr.self +
- offsetof(imx_header_v3_t, boot_data);
- imx_header[IMAGE_IVT_ID].boot_data.start =
- imx_header[IMAGE_IVT_ID].fhdr.self - ivt_offset;
- imx_header[IMAGE_IVT_ID].boot_data.size =
- ALIGN_IMX(sbuf.st_size + sizeof(imx_header_v3_t) + ivt_offset,
- sector_size);
- image_off = header_image_off + sizeof(imx_header_v3_t);
- file_off += imx_header[IMAGE_IVT_ID].boot_data.size;
- imx_header[IMAGE_IVT_ID].boot_data.plugin = 0;
- imx_header[IMAGE_IVT_ID].fhdr.csf =
- imx_header[IMAGE_IVT_ID].boot_data.start +
- imx_header[IMAGE_IVT_ID].boot_data.size;
- imx_header[IMAGE_IVT_ID].boot_data.size += CSF_SIZE; /* 8K region dummy CSF */
- csf_off = file_off;
- file_off += CSF_SIZE;
- /* Second boot loader image */
- if (sld_img) {
- if (!using_fit) {
- fprintf(stderr, "Not support no fit\n");
- exit(EXIT_FAILURE);
- } else {
- sld_header_off = sld_src_off - rom_image_offset;
- /*
- * Record the second bootloader relative offset in
- * image's IVT reserved1
- */
- if (rom_version == ROM_V1) {
- imx_header[IMAGE_IVT_ID].fhdr.reserved1 =
- sld_header_off - header_image_off;
- }
- sld_fd = open(sld_img, O_RDONLY | O_BINARY);
- if (sld_fd < 0) {
- fprintf(stderr, "%s: Can't open: %s\n",
- sld_img, strerror(errno));
- exit(EXIT_FAILURE);
- }
- if (fstat(sld_fd, &sbuf) < 0) {
- fprintf(stderr, "%s: Can't stat: %s\n",
- sld_img, strerror(errno));
- exit(EXIT_FAILURE);
- }
- close(sld_fd);
- file_off = sld_header_off;
- file_off += sbuf.st_size + sizeof(image_header_t);
- }
- }
- if (signed_hdmi) {
- header_hdmi_off -= ivt_offset;
- ret = lseek(ofd, header_hdmi_off, SEEK_SET);
- if (ret < 0) {
- fprintf(stderr, "lseek ofd fail for hdmi\n");
- exit(EXIT_FAILURE);
- }
- /* The signed HDMI FW has 0x400 IVT offset, need remove it */
- copy_file(ofd, signed_hdmi, 0, header_hdmi_off, 0x400);
- }
- /* Main Image */
- header_image_off -= ivt_offset;
- image_off -= ivt_offset;
- ret = lseek(ofd, header_image_off, SEEK_SET);
- if (ret < 0) {
- fprintf(stderr, "lseek ofd fail\n");
- exit(EXIT_FAILURE);
- }
- /* Write image header */
- if (write(ofd, &imx_header[IMAGE_IVT_ID], sizeof(imx_header_v3_t)) !=
- sizeof(imx_header_v3_t)) {
- fprintf(stderr, "error writing image hdr\n");
- exit(1);
- }
- copy_file(ofd, ap_img, 0, image_off, 0);
- csf_off -= ivt_offset;
- fill_zero(ofd, CSF_SIZE, csf_off);
- if (sld_img) {
- sld_header_off -= ivt_offset;
- ret = lseek(ofd, sld_header_off, SEEK_SET);
- if (ret < 0) {
- fprintf(stderr, "lseek ofd fail for sld_img\n");
- exit(EXIT_FAILURE);
- }
- /* Write image header */
- if (!using_fit) {
- /* TODO */
- } else {
- copy_file(ofd, sld_img, 0, sld_header_off, 0);
- sld_csf_off =
- generate_ivt_for_fit(ofd, sld_header_off,
- sld_start_addr,
- &sld_load_addr) + 0x20;
- }
- }
- if (!signed_hdmi)
- dump_header_v2(imx_header, 0);
- dump_header_v2(imx_header, 1);
- fprintf(stdout, "========= OFFSET dump =========");
- if (signed_hdmi) {
- fprintf(stdout, "\nSIGNED HDMI FW:\n");
- fprintf(stdout, " header_hdmi_off \t0x%x\n",
- header_hdmi_off);
- }
- fprintf(stdout, "\nLoader IMAGE:\n");
- fprintf(stdout, " header_image_off \t0x%x\n image_off \t\t0x%x\n csf_off \t\t0x%x\n",
- header_image_off, image_off, csf_off);
- fprintf(stdout, " spl hab block: \t0x%x 0x%x 0x%x\n",
- imx_header[IMAGE_IVT_ID].fhdr.self, header_image_off,
- csf_off - header_image_off);
- fprintf(stdout, "\nSecond Loader IMAGE:\n");
- fprintf(stdout, " sld_header_off \t0x%x\n",
- sld_header_off);
- fprintf(stdout, " sld_csf_off \t\t0x%x\n",
- sld_csf_off);
- fprintf(stdout, " sld hab block: \t0x%x 0x%x 0x%x\n",
- sld_load_addr, sld_header_off, sld_csf_off - sld_header_off);
- }
- int imx8mimage_copy_image(int outfd, struct image_tool_params *mparams)
- {
- /*
- * SECO FW is a container image, this is to calculate the
- * 2nd container offset.
- */
- fprintf(stdout, "parsing %s\n", mparams->imagename);
- parse_cfg_file(mparams->imagename);
- build_image(outfd);
- return 0;
- }
- /*
- * imx8mimage parameters
- */
- U_BOOT_IMAGE_TYPE(
- imx8mimage,
- "NXP i.MX8M Boot Image support",
- 0,
- NULL,
- imx8mimage_check_params,
- NULL,
- imx8mimage_print_header,
- imx8mimage_set_header,
- NULL,
- imx8mimage_check_image_types,
- NULL,
- NULL
- );
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