623 lines
15 KiB
C
623 lines
15 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2018 NXP
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*
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* Peng Fan <peng.fan@nxp.com>
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*/
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#include "imagetool.h"
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#include <image.h>
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#include "imximage.h"
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#include "compiler.h"
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static uint32_t ap_start_addr, sld_start_addr, sld_src_off;
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static char *ap_img, *sld_img, *signed_hdmi;
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static imx_header_v3_t imx_header[2]; /* At most there are 3 IVT headers */
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static uint32_t rom_image_offset;
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static uint32_t sector_size = 0x200;
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static uint32_t image_off;
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static uint32_t sld_header_off;
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static uint32_t ivt_offset;
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static uint32_t using_fit;
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#define CSF_SIZE 0x2000
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#define HDMI_IVT_ID 0
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#define IMAGE_IVT_ID 1
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#define HDMI_FW_SIZE 0x17000 /* Use Last 0x1000 for IVT and CSF */
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#define ALIGN_SIZE 0x1000
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#define ALIGN(x,a) __ALIGN_MASK((x), (__typeof__(x))(a) - 1, a)
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#define __ALIGN_MASK(x,mask,mask2) (((x) + (mask)) / (mask2) * (mask2))
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static uint32_t get_cfg_value(char *token, char *name, int linenr)
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{
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char *endptr;
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uint32_t value;
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errno = 0;
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value = strtoul(token, &endptr, 16);
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if (errno || token == endptr) {
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fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
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name, linenr, token);
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exit(EXIT_FAILURE);
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}
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return value;
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}
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int imx8mimage_check_params(struct image_tool_params *params)
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{
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return 0;
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}
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static void imx8mimage_set_header(void *ptr, struct stat *sbuf, int ifd,
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struct image_tool_params *params)
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{
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}
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static void imx8mimage_print_header(const void *ptr)
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{
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}
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static int imx8mimage_check_image_types(uint8_t type)
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{
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return (type == IH_TYPE_IMX8MIMAGE) ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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static table_entry_t imx8mimage_cmds[] = {
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{CMD_BOOT_FROM, "BOOT_FROM", "boot command", },
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{CMD_FIT, "FIT", "fit image", },
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{CMD_SIGNED_HDMI, "SIGNED_HDMI", "signed hdmi image", },
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{CMD_LOADER, "LOADER", "loader image", },
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{CMD_SECOND_LOADER, "SECOND_LOADER", "2nd loader image", },
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{CMD_DDR_FW, "DDR_FW", "ddr firmware", },
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{-1, "", "", },
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};
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static table_entry_t imx8mimage_ivt_offset[] = {
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{0x400, "sd", "sd/emmc",},
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{0x400, "emmc_fastboot", "emmc fastboot",},
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{0x1000, "fspi", "flexspi", },
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{-1, "", "Invalid", },
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};
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static void parse_cfg_cmd(int32_t cmd, char *token, char *name, int lineno)
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{
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switch (cmd) {
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case CMD_BOOT_FROM:
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ivt_offset = get_table_entry_id(imx8mimage_ivt_offset,
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"imx8mimage ivt offset",
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token);
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if (!strncmp(token, "sd", 2))
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rom_image_offset = 0x8000;
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break;
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case CMD_LOADER:
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ap_img = token;
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break;
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case CMD_SECOND_LOADER:
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sld_img = token;
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break;
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case CMD_SIGNED_HDMI:
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signed_hdmi = token;
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case CMD_FIT:
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using_fit = 1;
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break;
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case CMD_DDR_FW:
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/* Do nothing */
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break;
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}
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}
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static void parse_cfg_fld(int32_t *cmd, char *token,
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char *name, int lineno, int fld)
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{
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switch (fld) {
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case CFG_COMMAND:
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*cmd = get_table_entry_id(imx8mimage_cmds,
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"imx8mimage commands", token);
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if (*cmd < 0) {
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fprintf(stderr, "Error: %s[%d] - Invalid command" "(%s)\n",
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name, lineno, token);
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exit(EXIT_FAILURE);
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}
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break;
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case CFG_REG_SIZE:
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parse_cfg_cmd(*cmd, token, name, lineno);
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break;
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case CFG_REG_ADDRESS:
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switch (*cmd) {
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case CMD_LOADER:
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ap_start_addr = get_cfg_value(token, name, lineno);
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break;
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case CMD_SECOND_LOADER:
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sld_start_addr = get_cfg_value(token, name, lineno);
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break;
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}
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break;
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case CFG_REG_VALUE:
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switch (*cmd) {
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case CMD_SECOND_LOADER:
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sld_src_off = get_cfg_value(token, name, lineno);
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break;
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}
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default:
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break;
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}
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}
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static uint32_t parse_cfg_file(char *name)
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{
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FILE *fd = NULL;
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char *line = NULL;
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char *token, *saveptr1, *saveptr2;
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int lineno = 0;
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int fld;
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size_t len;
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int32_t cmd;
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fd = fopen(name, "r");
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if (fd == 0) {
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fprintf(stderr, "Error: %s - Can't open cfg file\n", name);
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exit(EXIT_FAILURE);
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}
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/*
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* Very simple parsing, line starting with # are comments
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* and are dropped
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*/
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while ((getline(&line, &len, fd)) > 0) {
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lineno++;
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token = strtok_r(line, "\r\n", &saveptr1);
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if (!token)
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continue;
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/* Check inside the single line */
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for (fld = CFG_COMMAND, cmd = CFG_INVALID,
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line = token; ; line = NULL, fld++) {
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token = strtok_r(line, " \t", &saveptr2);
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if (!token)
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break;
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/* Drop all text starting with '#' as comments */
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if (token[0] == '#')
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break;
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parse_cfg_fld(&cmd, token, name, lineno, fld);
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}
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}
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return 0;
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}
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static void fill_zero(int ifd, int size, int offset)
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{
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int fill_size;
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uint8_t zeros[4096];
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int ret;
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memset(zeros, 0, sizeof(zeros));
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ret = lseek(ifd, offset, SEEK_SET);
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if (ret < 0) {
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fprintf(stderr, "%s seek: %s\n", __func__, strerror(errno));
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exit(EXIT_FAILURE);
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}
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while (size) {
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if (size > 4096)
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fill_size = 4096;
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else
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fill_size = size;
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if (write(ifd, (char *)&zeros, fill_size) != fill_size) {
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fprintf(stderr, "Write error: %s\n",
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strerror(errno));
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exit(EXIT_FAILURE);
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}
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size -= fill_size;
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};
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}
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static void copy_file(int ifd, const char *datafile, int pad, int offset,
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int datafile_offset)
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{
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int dfd;
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struct stat sbuf;
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unsigned char *ptr;
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int tail;
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int zero = 0;
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uint8_t zeros[4096];
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int size, ret;
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memset(zeros, 0, sizeof(zeros));
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dfd = open(datafile, O_RDONLY | O_BINARY);
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if (dfd < 0) {
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fprintf(stderr, "Can't open %s: %s\n",
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datafile, strerror(errno));
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exit(EXIT_FAILURE);
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}
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if (fstat(dfd, &sbuf) < 0) {
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fprintf(stderr, "Can't stat %s: %s\n",
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datafile, strerror(errno));
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exit(EXIT_FAILURE);
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}
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ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
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if (ptr == MAP_FAILED) {
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fprintf(stderr, "Can't read %s: %s\n",
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datafile, strerror(errno));
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exit(EXIT_FAILURE);
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}
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size = sbuf.st_size - datafile_offset;
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ret = lseek(ifd, offset, SEEK_SET);
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if (ret < 0) {
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fprintf(stderr, "lseek ifd fail\n");
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exit(EXIT_FAILURE);
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}
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if (write(ifd, ptr + datafile_offset, size) != size) {
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fprintf(stderr, "Write error %s\n",
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strerror(errno));
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exit(EXIT_FAILURE);
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}
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tail = size % 4;
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pad = pad - size;
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if (pad == 1 && tail != 0) {
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if (write(ifd, (char *)&zero, 4 - tail) != 4 - tail) {
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fprintf(stderr, "Write error on %s\n",
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strerror(errno));
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exit(EXIT_FAILURE);
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}
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} else if (pad > 1) {
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while (pad > 0) {
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int todo = sizeof(zeros);
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if (todo > pad)
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todo = pad;
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if (write(ifd, (char *)&zeros, todo) != todo) {
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fprintf(stderr, "Write error: %s\n",
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strerror(errno));
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exit(EXIT_FAILURE);
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}
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pad -= todo;
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}
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}
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munmap((void *)ptr, sbuf.st_size);
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close(dfd);
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}
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/* Return this IVT offset in the final output file */
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static int generate_ivt_for_fit(int fd, int fit_offset, uint32_t ep,
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uint32_t *fit_load_addr)
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{
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image_header_t image_header;
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int ret;
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uint32_t fit_size, load_addr;
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int align_len = 64 - 1; /* 64 is cacheline size */
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ret = lseek(fd, fit_offset, SEEK_SET);
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if (ret < 0) {
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fprintf(stderr, "lseek fd fail for fit\n");
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exit(EXIT_FAILURE);
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}
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if (read(fd, (char *)&image_header, sizeof(image_header_t)) !=
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sizeof(image_header_t)) {
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fprintf(stderr, "generate_ivt_for_fit read failed: %s\n",
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strerror(errno));
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exit(EXIT_FAILURE);
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}
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if (be32_to_cpu(image_header.ih_magic) != FDT_MAGIC) {
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fprintf(stderr, "%s error: not a FIT file\n", __func__);
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exit(EXIT_FAILURE);
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}
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fit_size = fdt_totalsize(&image_header);
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fit_size = (fit_size + 3) & ~3;
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fit_size = ALIGN(fit_size, ALIGN_SIZE);
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ret = lseek(fd, fit_offset + fit_size, SEEK_SET);
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if (ret < 0) {
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fprintf(stderr, "lseek fd fail for fit\n");
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exit(EXIT_FAILURE);
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}
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/*
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* ep is the u-boot entry. SPL loads the FIT before the u-boot
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* address. 0x2000 is for CSF_SIZE
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*/
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load_addr = (ep - (fit_size + CSF_SIZE) - 512 - align_len) &
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~align_len;
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flash_header_v2_t ivt_header = { { 0xd1, 0x2000, 0x40 },
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load_addr, 0, 0, 0,
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(load_addr + fit_size),
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(load_addr + fit_size + 0x20),
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0 };
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if (write(fd, &ivt_header, sizeof(flash_header_v2_t)) !=
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sizeof(flash_header_v2_t)) {
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fprintf(stderr, "IVT writing error on fit image\n");
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exit(EXIT_FAILURE);
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}
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*fit_load_addr = load_addr;
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return fit_offset + fit_size;
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}
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static void dump_header_v2(imx_header_v3_t *imx_header, int index)
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{
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const char *ivt_name[2] = {"HDMI FW", "LOADER IMAGE"};
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fprintf(stdout, "========= IVT HEADER [%s] =========\n",
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ivt_name[index]);
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fprintf(stdout, "header.tag: \t\t0x%x\n",
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imx_header[index].fhdr.header.tag);
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fprintf(stdout, "header.length: \t\t0x%x\n",
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imx_header[index].fhdr.header.length);
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fprintf(stdout, "header.version: \t0x%x\n",
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imx_header[index].fhdr.header.version);
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fprintf(stdout, "entry: \t\t\t0x%x\n",
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imx_header[index].fhdr.entry);
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fprintf(stdout, "reserved1: \t\t0x%x\n",
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imx_header[index].fhdr.reserved1);
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fprintf(stdout, "dcd_ptr: \t\t0x%x\n",
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imx_header[index].fhdr.dcd_ptr);
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fprintf(stdout, "boot_data_ptr: \t\t0x%x\n",
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imx_header[index].fhdr.boot_data_ptr);
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fprintf(stdout, "self: \t\t\t0x%x\n",
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imx_header[index].fhdr.self);
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fprintf(stdout, "csf: \t\t\t0x%x\n",
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imx_header[index].fhdr.csf);
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fprintf(stdout, "reserved2: \t\t0x%x\n",
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imx_header[index].fhdr.reserved2);
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fprintf(stdout, "boot_data.start: \t0x%x\n",
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imx_header[index].boot_data.start);
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fprintf(stdout, "boot_data.size: \t0x%x\n",
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imx_header[index].boot_data.size);
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fprintf(stdout, "boot_data.plugin: \t0x%x\n",
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imx_header[index].boot_data.plugin);
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}
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void build_image(int ofd)
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{
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int file_off, header_hdmi_off = 0, header_image_off;
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int hdmi_fd, ap_fd, sld_fd;
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uint32_t sld_load_addr = 0;
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uint32_t csf_off, sld_csf_off = 0;
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int ret;
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struct stat sbuf;
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if (!ap_img) {
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fprintf(stderr, "No LOADER image specificed\n");
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exit(EXIT_FAILURE);
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}
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file_off = 0;
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if (signed_hdmi) {
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header_hdmi_off = file_off + ivt_offset;
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hdmi_fd = open(signed_hdmi, O_RDONLY | O_BINARY);
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if (hdmi_fd < 0) {
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fprintf(stderr, "%s: Can't open: %s\n",
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signed_hdmi, strerror(errno));
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exit(EXIT_FAILURE);
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}
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if (fstat(hdmi_fd, &sbuf) < 0) {
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fprintf(stderr, "%s: Can't stat: %s\n",
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signed_hdmi, strerror(errno));
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exit(EXIT_FAILURE);
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}
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close(hdmi_fd);
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/*
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* Aligned to 104KB = 92KB FW image + 0x8000
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* (IVT and alignment) + 0x4000 (second IVT + CSF)
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*/
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file_off += ALIGN(sbuf.st_size,
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HDMI_FW_SIZE + 0x2000 + 0x1000);
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}
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header_image_off = file_off + ivt_offset;
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ap_fd = open(ap_img, O_RDONLY | O_BINARY);
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if (ap_fd < 0) {
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fprintf(stderr, "%s: Can't open: %s\n",
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ap_img, strerror(errno));
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exit(EXIT_FAILURE);
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}
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if (fstat(ap_fd, &sbuf) < 0) {
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fprintf(stderr, "%s: Can't stat: %s\n",
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ap_img, strerror(errno));
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exit(EXIT_FAILURE);
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}
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close(ap_fd);
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imx_header[IMAGE_IVT_ID].fhdr.header.tag = IVT_HEADER_TAG; /* 0xD1 */
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imx_header[IMAGE_IVT_ID].fhdr.header.length =
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cpu_to_be16(sizeof(flash_header_v2_t));
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imx_header[IMAGE_IVT_ID].fhdr.header.version = IVT_VERSION_V3; /* 0x41 */
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imx_header[IMAGE_IVT_ID].fhdr.entry = ap_start_addr;
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imx_header[IMAGE_IVT_ID].fhdr.self = ap_start_addr -
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sizeof(imx_header_v3_t);
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imx_header[IMAGE_IVT_ID].fhdr.dcd_ptr = 0;
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imx_header[IMAGE_IVT_ID].fhdr.boot_data_ptr =
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imx_header[IMAGE_IVT_ID].fhdr.self +
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offsetof(imx_header_v3_t, boot_data);
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imx_header[IMAGE_IVT_ID].boot_data.start =
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imx_header[IMAGE_IVT_ID].fhdr.self - ivt_offset;
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imx_header[IMAGE_IVT_ID].boot_data.size =
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ALIGN(sbuf.st_size + sizeof(imx_header_v3_t) + ivt_offset,
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sector_size);
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image_off = header_image_off + sizeof(imx_header_v3_t);
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file_off += imx_header[IMAGE_IVT_ID].boot_data.size;
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imx_header[IMAGE_IVT_ID].boot_data.plugin = 0;
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imx_header[IMAGE_IVT_ID].fhdr.csf =
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imx_header[IMAGE_IVT_ID].boot_data.start +
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imx_header[IMAGE_IVT_ID].boot_data.size;
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imx_header[IMAGE_IVT_ID].boot_data.size += CSF_SIZE; /* 8K region dummy CSF */
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csf_off = file_off;
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file_off += CSF_SIZE;
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/* Second boot loader image */
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if (sld_img) {
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if (!using_fit) {
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fprintf(stderr, "Not support no fit\n");
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exit(EXIT_FAILURE);
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} else {
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sld_header_off = sld_src_off - rom_image_offset;
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/*
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* Record the second bootloader relative offset in
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* image's IVT reserved1
|
|
*/
|
|
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
|
|
);
|