--- /dev/null
+// 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 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(x,a) __ALIGN_MASK((x), (__typeof__(x))(a) - 1, a)
+#define __ALIGN_MASK(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", },
+ {-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;
+ break;
+ case CMD_LOADER:
+ ap_img = token;
+ break;
+ case CMD_SECOND_LOADER:
+ sld_img = token;
+ break;
+ case CMD_SIGNED_HDMI:
+ signed_hdmi = token;
+ case CMD_FIT:
+ using_fit = 1;
+ break;
+ case CMD_DDR_FW:
+ /* Do nothing */
+ 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);
+ }
+ 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;
+ int 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 = (fit_size + 3) & ~3;
+
+ fit_size = ALIGN(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(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(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
+ */
+ 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
+);
projects / platform / kernel / u-boot.git / commitdiff