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| -rw-r--r-- | dtbtool.c | 1054 | ||||
| -rw-r--r-- | dtbtool.txt | 1878 |
2 files changed, 2932 insertions, 0 deletions
diff --git a/dtbtool.c b/dtbtool.c new file mode 100644 index 0000000..08a1b8a --- /dev/null +++ b/dtbtool.c @@ -0,0 +1,1054 @@ +/* + * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + * Neither the name of The Linux Foundation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#define _GNU_SOURCE +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <dirent.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <getopt.h> +#include <errno.h> +#include <unistd.h> +#include <limits.h> + +#define QCDT_MAGIC "QCDT" /* Master DTB magic */ +#define QCDT_VERSION 3 /* QCDT version */ + +#define QCDT_DT_TAG "qcom,msm-id = <" +#define QCDT_BOARD_TAG "qcom,board-id = <" +#define QCDT_PMIC_TAG "qcom,pmic-id = <" + + +#define PAGE_SIZE_DEF 2048 +#define PAGE_SIZE_MAX (1024*1024) + +#define log_err(x...) printf(x) +#define log_info(x...) printf(x) +#define log_dbg(x...) { if (verbose) printf(x); } + +#define COPY_BLK 1024 /* File copy block size */ + +#define RC_SUCCESS 0 +#define RC_ERROR -1 + +struct chipInfo_t { + uint32_t chipset; + uint32_t platform; + uint32_t subtype; + uint32_t revNum; + uint32_t pmic_model[4]; + uint32_t dtb_size; + char *dtb_file; + struct chipInfo_t *prev; + struct chipInfo_t *next; + struct chipInfo_t *master; + int wroteDtb; + uint32_t master_offset; + struct chipInfo_t *t_next; +}; + +struct chipInfo_t *chip_list; + +struct chipId_t { + uint32_t chipset; + uint32_t revNum; + struct chipId_t *next; + struct chipId_t *t_next; +}; + +struct chipSt_t { + uint32_t platform; + uint32_t subtype; + struct chipSt_t *next; + struct chipSt_t *t_next; +}; + +struct chipPt_t { + uint32_t pmic0; + uint32_t pmic1; + uint32_t pmic2; + uint32_t pmic3; + struct chipPt_t *next; + struct chipPt_t *t_next; +}; + +char *input_dir; +char *output_file; +char *dtc_path; +char *dt_tag = QCDT_DT_TAG; +int verbose; +int page_size = PAGE_SIZE_DEF; +int version_override = 0; + +void print_help() +{ + log_info("dtbTool version %d (kinda :) )\n", QCDT_VERSION); + log_info("dtbTool [options] -o <output file> <input DTB path>\n"); + log_info(" options:\n"); + log_info(" --output-file/-o output file\n"); + log_info(" --dtc-path/-p path to dtc\n"); + log_info(" --page-size/-s page size in bytes\n"); + log_info(" --dt-tag/-d alternate QCDT_DT_TAG\n"); + log_info(" --verbose/-v verbose\n"); + log_info(" --force-v2/-2 output dtb v2 format\n"); + log_info(" --force-v3/-3 output dtb v3 format\n"); + log_info(" --help/-h this help screen\n"); +} + +int parse_commandline(int argc, char *const argv[]) +{ + int c; + + struct option long_options[] = { + {"output-file", 1, 0, 'o'}, + {"dtc-path", 1, 0, 'p'}, + {"page-size", 1, 0, 's'}, + {"dt-tag", 1, 0, 'd'}, + {"force-v2", 0, 0, '2'}, + {"force-v3", 0, 0, '3'}, + {"verbose", 0, 0, 'v'}, + {"help", 0, 0, 'h'}, + {0, 0, 0, 0} + }; + + while ((c = getopt_long(argc, argv, "-o:p:s:d:23vh", long_options, NULL)) + != -1) { + switch (c) { + case 1: + if (!input_dir) + input_dir = optarg; + break; + case 'o': + output_file = optarg; + break; + case 'p': + dtc_path = optarg; + break; + case 's': + page_size = atoi(optarg); + if ((page_size <= 0) || (page_size > (PAGE_SIZE_MAX))) { + log_err("Invalid page size (> 0 and <=1MB\n"); + return RC_ERROR; + } + break; + case 'd': + dt_tag = optarg; + break; + case '2': + case '3': + if (version_override != 0) { + log_err("A version output argument may only be passed once\n"); + return RC_ERROR; + } + version_override = c - '0'; + break; + case 'v': + verbose = 1; + break; + case 'h': + default: + return RC_ERROR; + } + } + + if (!output_file) { + log_err("Output file must be specified\n"); + return RC_ERROR; + } + + if (!input_dir) + input_dir = "./"; + + if (!dtc_path) + dtc_path = ""; + + return RC_SUCCESS; +} + +/* Unique entry sorted list add (by chipset->platform->rev) */ +int chip_add(struct chipInfo_t *c) +{ + struct chipInfo_t *x = chip_list; + + if (!chip_list) { + chip_list = c; + c->next = NULL; + c->prev = NULL; + return RC_SUCCESS; + } + + while (1) { + if ((c->chipset < x->chipset) || + ((c->chipset == x->chipset) && + ((c->platform < x->platform) || + ((c->platform == x->platform) && + ((c->subtype < x->subtype) || + ((c->subtype == x->subtype) && + (c->revNum < x->revNum))))))) { + if (!x->prev) { + c->next = x; + c->prev = NULL; + x->prev = c; + chip_list = c; + break; + } else { + c->next = x; + c->prev = x->prev; + x->prev->next = c; + x->prev = c; + break; + } + } + if ((c->chipset == x->chipset) && + (c->platform == x->platform) && + (c->subtype == x->subtype) && + (c->revNum == x->revNum) && + (c->pmic_model[0] == x->pmic_model[0]) && + (c->pmic_model[1] == x->pmic_model[1]) && + (c->pmic_model[2] == x->pmic_model[2]) && + (c->pmic_model[3] == x->pmic_model[3])) { + return RC_ERROR; /* duplicate */ + } + if (!x->next) { + c->prev = x; + c->next = NULL; + x->next = c; + break; + } + x = x->next; + } + return RC_SUCCESS; +} + +void chip_deleteall() +{ + struct chipInfo_t *c = chip_list, *t; + + while (c) { + t = c; + c = c->next; + if (t->dtb_file) + free(t->dtb_file); + free(t); + } +} + +/* + For v1 Extract 'qcom,msm-id' parameter triplet from DTB + qcom,msm-id = <x y z>; + + For v2 Extract 'qcom,msm-id', 'qcom,board-id' parameter double from DTB + qcom,msm-id = <x z> i.e chipset, revision number; + qcom,board-id = <y y'> i.e platform and sub-type; + */ + +struct chipInfo_t *getChipInfo(const char *filename, int *num, uint32_t msmversion) +{ + + const char str1[] = "dtc -I dtb -O dts \""; + const char str2[] = "\" 2>&1"; + char *buf, *pos; + char *line = NULL; + size_t line_size; + FILE *pfile; + int llen; + struct chipInfo_t *chip = NULL, *tmp, *chip_t; + uint32_t data[3] = {0, 0, 0}; + uint32_t data_st[2] = {0, 0}; + uint32_t data_pt[4] = {0, 0, 0, 0}; + char *tok, *sptr = NULL; + int i, entryValid, entryEnded; + int count = 0, count1 = 0, count2 = 0, count3 = 0; + int entryValidST, entryEndedST, entryValidDT, entryEndedDT, entryValidPT, entryEndedPT; + struct chipId_t *chipId = NULL, *cId = NULL, *tmp_id = NULL; + struct chipSt_t *chipSt = NULL, *cSt = NULL, *tmp_st = NULL; + struct chipPt_t *chipPt = NULL, *cPt = NULL, *tmp_pt = NULL; + struct chipId_t *chipId_tmp = NULL; + struct chipSt_t *chipSt_tmp = NULL; + struct chipPt_t *chipPt_tmp = NULL; + + line_size = 1024; + line = (char *)malloc(line_size); + if (!line) { + log_err("Out of memory\n"); + return NULL; + } + + llen = sizeof(char) * (strlen(dtc_path) + + strlen(str1) + + strlen(str2) + + strlen(filename) + 1); + buf = (char *)malloc(llen); + if (!buf) { + log_err("Out of memory\n"); + free(line); + return NULL; + } + + strncpy(buf, dtc_path, llen); + strncat(buf, str1, llen); + strncat(buf, filename, llen); + strncat(buf, str2, llen); + + pfile = popen(buf, "r"); + free(buf); + + if (pfile == NULL) { + log_err("... skip, fail to decompile dtb\n"); + } else { + /* Find "qcom,msm-id" */ + while ((llen = getline(&line, &line_size, pfile)) != -1) { + if (msmversion == 1) { + if ((pos = strstr(line, dt_tag)) != NULL) { + pos += strlen(dt_tag); + + entryEnded = 0; + while (1) { + entryValid = 1; + for (i = 0; i < 3; i++) { + tok = strtok_r(pos, " \t", &sptr); + pos = NULL; + if (tok != NULL) { + if (*tok == '>') { + entryEnded = 1; + entryValid = 0; + break; + } + data[i] = strtoul(tok, NULL, 0); + } else { + data[i] = 0; + entryValid = 0; + entryEnded = 1; + } + } + if (entryEnded) { + free(line); + pclose(pfile); + *num = count; + return chip; + } + if (entryValid) { + tmp = (struct chipInfo_t *) + malloc(sizeof(struct chipInfo_t)); + if (!tmp) { + log_err("Out of memory\n"); + break; + } + if (!chip) { + chip = tmp; + chip->t_next = NULL; + } else { + tmp->t_next = chip->t_next; + chip->t_next = tmp; + } + tmp->chipset = data[0]; + tmp->platform = data[1]; + tmp->subtype = 0; + tmp->revNum = data[2]; + tmp->pmic_model[0] = 0; + tmp->pmic_model[1] = 0; + tmp->pmic_model[2] = 0; + tmp->pmic_model[3] = 0; + tmp->dtb_size = 0; + tmp->dtb_file = NULL; + tmp->master = chip; + tmp->wroteDtb = 0; + tmp->master_offset = 0; + count++; + } + } + + log_err("... skip, incorrect '%s' format\n", dt_tag); + break; + } + } else if (msmversion == 2 || msmversion == 3) { + if ((pos = strstr(line, dt_tag)) != NULL) { + pos += strlen(dt_tag); + + entryEndedDT = 0; + for (;entryEndedDT < 1;) { + entryValidDT = 1; + for (i = 0; i < 2; i++) { + tok = strtok_r(pos, " \t", &sptr); + pos = NULL; + if (tok != NULL) { + if (*tok == '>') { + entryEndedDT = 1; + entryValidDT = 0; + break; + } + data_st[i] = strtoul(tok, NULL, 0); + } else { + data_st[i] = 0; + entryValidDT = 0; + entryEndedDT = 1; + } + } + + if (entryValidDT) { + tmp_id = (struct chipId_t *) + malloc(sizeof(struct chipId_t)); + if (!tmp_id) { + log_err("Out of memory\n"); + break; + } + if (!chipId) { + chipId = tmp_id; + cId = tmp_id; + chipId->t_next = NULL; + } else { + tmp_id->t_next = chipId->t_next; + chipId->t_next = tmp_id; + } + tmp_id->chipset = data_st[0]; + tmp_id->revNum= data_st[1]; + count1++; + } + } + } + + if ((pos = strstr(line,QCDT_BOARD_TAG)) != NULL) { + pos += strlen(QCDT_BOARD_TAG); + entryEndedST = 0; + for (;entryEndedST < 1;) { + entryValidST = 1; + for (i = 0; i < 2; i++) { + tok = strtok_r(pos, " \t", &sptr); + pos = NULL; + if (tok != NULL) { + if (*tok == '>') { + entryEndedST = 1; + entryValidST = 0; + break; + } + data_st[i] = strtoul(tok, NULL, 0); + } else { + data_st[i] = 0; + entryValidST = 0; + entryEndedST = 1; + } + } + if (entryValidST) { + tmp_st = (struct chipSt_t *) + malloc(sizeof(struct chipSt_t)); + if (!tmp_st) { + log_err("Out of memory\n"); + break; + } + + if (!chipSt) { + chipSt = tmp_st; + cSt = tmp_st; + chipSt->t_next = NULL; + } else { + tmp_st->t_next = chipSt->t_next; + chipSt->t_next = tmp_st; + } + + tmp_st->platform = data_st[0]; + tmp_st->subtype= data_st[1]; + count2++; + } + } + } + + if ((pos = strstr(line,QCDT_PMIC_TAG)) != NULL) { + pos += strlen(QCDT_PMIC_TAG); + entryEndedPT = 0; + for (;entryEndedPT < 1;) { + entryValidPT = 1; + for (i = 0; i < 4; i++) { + tok = strtok_r(pos, " \t", &sptr); + pos = NULL; + if (tok != NULL) { + if (*tok == '>') { + entryEndedPT = 1; + entryValidPT = 0; + break; + } + data_pt[i] = strtoul(tok, NULL, 0); + } else { + data_pt[i] = 0; + entryValidPT = 0; + entryEndedPT = 1; + } + } + if (entryValidPT) { + tmp_pt = (struct chipPt_t *) + malloc(sizeof(struct chipPt_t)); + if (!tmp_pt) { + log_err("Out of memory\n"); + break; + } + + if (!chipPt) { + chipPt = tmp_pt; + cPt = tmp_pt; + chipPt->t_next = NULL; + } else { + tmp_pt->t_next = chipPt->t_next; + chipPt->t_next = tmp_pt; + } + + tmp_pt->pmic0 = data_pt[0]; + tmp_pt->pmic1 = data_pt[1]; + tmp_pt->pmic2 = data_pt[2]; + tmp_pt->pmic3 = data_pt[3]; + count3++; + } + } + } + } + } + } + + if (line) + free(line); + + if (count1 == 0) { + log_err("... skip, incorrect '%s' format\n", dt_tag); + return NULL; + } + if (count2 == 0) { + log_err("... skip, incorrect '%s' format\n", QCDT_BOARD_TAG); + return NULL; + } + if (count3 == 0 && msmversion == 3) { + log_err("... skip, incorrect '%s' format\n", QCDT_PMIC_TAG); + return NULL; + } + + tmp_st = cSt; + tmp_pt = cPt; + while (cId != NULL) { + while (cSt != NULL) { + if (msmversion == 3) { + while (cPt != NULL) { + tmp = (struct chipInfo_t *) + malloc(sizeof(struct chipInfo_t)); + if (!tmp) { + log_err("Out of memory\n"); + break; + } + if (!chip) { + chip = tmp; + chip->t_next = NULL; + } else { + tmp->t_next = chip->t_next; + chip->t_next = tmp; + } + + tmp->chipset = cId->chipset; + tmp->platform = cSt->platform; + tmp->revNum = cId->revNum; + tmp->subtype = cSt->subtype; + tmp->pmic_model[0] = cPt->pmic0; + tmp->pmic_model[1] = cPt->pmic1; + tmp->pmic_model[2] = cPt->pmic2; + tmp->pmic_model[3] = cPt->pmic3; + tmp->dtb_size = 0; + tmp->dtb_file = NULL; + tmp->master = chip; + tmp->wroteDtb = 0; + tmp->master_offset = 0; + cPt = cPt->t_next; + } + cPt = tmp_pt; + } else { + tmp = (struct chipInfo_t *) + malloc(sizeof(struct chipInfo_t)); + if (!tmp) { + log_err("Out of memory\n"); + break; + } + if (!chip) { + chip = tmp; + chip->t_next = NULL; + } else { + tmp->t_next = chip->t_next; + chip->t_next = tmp; + } + tmp->chipset = cId->chipset; + tmp->platform = cSt->platform; + tmp->revNum = cId->revNum; + tmp->subtype = cSt->subtype; + tmp->pmic_model[0] = 0; + tmp->pmic_model[1] = 0; + tmp->pmic_model[2] = 0; + tmp->pmic_model[3] = 0; + tmp->dtb_size = 0; + tmp->dtb_file = NULL; + tmp->master = chip; + tmp->wroteDtb = 0; + tmp->master_offset = 0; + } + cSt = cSt->t_next; + } + cSt = tmp_st; + cId = cId->t_next; + } + + if (msmversion == 2) + entryEndedPT = 1; + + /* clear memory*/ + pclose(pfile); + while (chipId) { + chipId_tmp = chipId; + chipId = chipId->t_next; + free(chipId_tmp); + } + while (chipSt) { + chipSt_tmp= chipSt; + chipSt = chipSt->t_next; + free(chipSt_tmp); + } + + while (chipPt) { + chipPt_tmp= chipPt; + chipPt = chipPt->t_next; + free(chipPt_tmp); + } + + if (entryEndedST == 1 && entryEndedDT == 1 && entryEndedPT == 1) { + *num = count1; + return chip; + } + + /* clear memory*/ + while (chip) { + chip_t = chip; + chip = chip->next; + if (chip_t->dtb_file) + free(chip_t->dtb_file); + free(chip_t); + } + return NULL; +} + +/* Get the version-id based on dtb files */ +uint32_t GetVersionInfo(const char *filename) +{ + const char str1[] = "dtc -I dtb -O dts \""; + const char str2[] = "\" 2>&1"; + char *buf, *pos; + char *line = NULL; + size_t line_size; + FILE *pfile; + int llen; + uint32_t v = 1; + + line_size = 1024; + line = (char *)malloc(line_size); + if (!line) { + log_err("Out of memory\n"); + return 0; + } + + llen = sizeof(char) * (strlen(dtc_path) + + strlen(str1) + + strlen(str2) + + strlen(filename) + 1); + buf = (char *)malloc(llen); + if (!buf) { + log_err("Out of memory\n"); + free(line); + return 0; + } + + strncpy(buf, dtc_path, llen); + strncat(buf, str1, llen); + strncat(buf, filename, llen); + strncat(buf, str2, llen); + + pfile = popen(buf, "r"); + free(buf); + + if (pfile == NULL) { + log_err("... skip, fail to decompile dtb\n"); + } else { + /* Find the type of version */ + while ((llen = getline(&line, &line_size, pfile)) != -1) { + if ((pos = strstr(line,QCDT_BOARD_TAG)) != NULL) { + v = 2; + } + if ((pos = strstr(line,QCDT_PMIC_TAG)) != NULL) { + v = 3; + break; + } + } + } + + free(line); + log_info("Version:%d\n", v); + + return v; +} + +static int find_dtb(const char *path, uint32_t *version) +{ + struct dirent *dp; + int flen; + char *filename; + struct chipInfo_t *chip, *t_chip; + struct stat st; + int num; + int rc = RC_SUCCESS; + uint32_t msmversion = 0; + int dtb_count = 0; + + DIR *dir = opendir(path); + if (!dir) { + log_err("Failed to open input directory '%s'\n", path); + return RC_ERROR; + } + + /* Open the .dtb files in the specified path, decompile and + extract "qcom,msm-id" parameter + */ + while ((dp = readdir(dir)) != NULL) { + if (dp->d_type == DT_UNKNOWN) { + struct stat statbuf; + char name[PATH_MAX]; + snprintf(name, sizeof(name), "%s%s%s", + path, + (path[strlen(path) - 1] == '/' ? "" : "/"), + dp->d_name); + if (!stat(name, &statbuf)) { + if (S_ISREG(statbuf.st_mode)) { + dp->d_type = DT_REG; + } else if (S_ISDIR(statbuf.st_mode)) { + dp->d_type = DT_DIR; + } + } + } + + if (dp->d_type == DT_DIR) { + char name[PATH_MAX]; + if (dp->d_name[0] == '.') { + continue; + } + snprintf(name, sizeof(name), "%s%s%s%s", + path, + (path[strlen(path) - 1] == '/' ? "" : "/"), + dp->d_name, + "/"); + log_info("Searching subdir: %s ... \n", name); + dtb_count += find_dtb(name, version); + } else if (dp->d_type == DT_REG) { + flen = strlen(dp->d_name); + if ((flen > 4) && + (strncmp(&dp->d_name[flen-4], ".dtb", 4) == 0)) { + log_info("Found file: %s ... \n", dp->d_name); + + flen = strlen(path) + strlen(dp->d_name) + 1; + filename = (char *)malloc(flen); + if (!filename) { + log_err("Out of memory\n"); + rc = RC_ERROR; + break; + } + strncpy(filename, path, flen); + strncat(filename, dp->d_name, flen); + + /* To identify the version number */ + msmversion = GetVersionInfo(filename); + if (*version < msmversion) { + *version = msmversion; + } + + num = 1; + chip = getChipInfo(filename, &num, msmversion); + + if (msmversion == 1) { + if (!chip) { + log_err("skip, failed to scan for '%s' tag\n", dt_tag); + free(filename); + continue; + } + } + if (msmversion == 2) { + if (!chip) { + log_err("skip, failed to scan for '%s' or '%s' tag\n", + dt_tag, QCDT_BOARD_TAG); + free(filename); + continue; + } + } + if (msmversion == 3) { + if (!chip) { + log_err("skip, failed to scan for '%s', '%s' or '%s' tag\n", + dt_tag, QCDT_BOARD_TAG, QCDT_PMIC_TAG); + free(filename); + continue; + } + } + + if ((stat(filename, &st) != 0) || + (st.st_size == 0)) { + log_err("skip, failed to get DTB size\n"); + free(filename); + continue; + } + + log_info("chipset: %u, rev: %u, platform: %u, subtype: %u, pmic0: %u, pmic1: %u, pmic2: %u, pmic3: %u\n", + chip->chipset, chip->revNum, chip->platform, chip->subtype, + chip->pmic_model[0], chip->pmic_model[1], chip->pmic_model[2], chip->pmic_model[3]); + + for (t_chip = chip->t_next; t_chip; t_chip = t_chip->t_next) { + log_info("additional chipset: %u, rev: %u, platform: %u, subtype: %u, pmic0: %u, pmic1: %u, pmic2: %u, pmic3: %u\n", + t_chip->chipset, t_chip->revNum, t_chip->platform, t_chip->subtype, + t_chip->pmic_model[0], t_chip->pmic_model[1], t_chip->pmic_model[2], t_chip->pmic_model[3]); + } + + rc = chip_add(chip); + if (rc != RC_SUCCESS) { + log_err("... duplicate info, skipped\n"); + free(filename); + continue; + } + + dtb_count++; + + chip->dtb_size = st.st_size + + (page_size - (st.st_size % page_size)); + chip->dtb_file = filename; + + for (t_chip = chip->t_next; t_chip; t_chip = t_chip->t_next) { + rc = chip_add(t_chip); + if (rc != RC_SUCCESS) { + log_err("... duplicate info, skipped (chipset %u, rev: %u, platform: %u, subtype: %u\n", + t_chip->chipset, t_chip->revNum, t_chip->platform, t_chip->subtype); + continue; + } + dtb_count++; + } + } + } + } + closedir(dir); + return dtb_count; +} + +/* Extract 'qcom,msm-id' 'qcom,board-id' parameter from DTB + v1 format: + qcom,msm-id = <x y z> [, <x2 y2 z2> ...]; + v2 format: + qcom,msm-id = <x z> [, <x2 z2> ...; + qcom,board-id = <y y'> [, <y2 y2'> ...; + Fields: + x = chipset + y = platform + y' = subtype + z = soc rev + */ +int main(int argc, char **argv) +{ + char buf[COPY_BLK]; + struct chipInfo_t *chip; + FILE *pInputFile; + int padding; + uint8_t *filler = NULL; + int numBytesRead = 0; + int totBytesRead = 0; + int out_fd; + int rc = RC_SUCCESS; + int dtb_count = 0, dtb_offset = 0, entry_size; + size_t wrote = 0, expected = 0; + uint32_t dtb_size; + uint32_t version = 0; + char *filename; + + log_info("DTB combiner:\n"); + + if (parse_commandline(argc, argv) != RC_SUCCESS) { + print_help(); + return RC_ERROR; + } + + log_info(" Input directory: '%s'\n", input_dir); + log_info(" Output file: '%s'\n", output_file); + + + filler = (uint8_t *)malloc(page_size); + if (!filler) { + log_err("Out of memory\n"); + return RC_ERROR; + } + memset(filler, 0, page_size); + + dtb_count = find_dtb(input_dir, &version); + + log_info("=> Found %d unique DTB(s)\n", dtb_count); + + if (!dtb_count) + goto cleanup; + + + /* Generate the master DTB file: + + Simplify write error handling by just checking for actual vs + expected bytes written at the end. + */ + + log_info("\nGenerating master DTB... "); + + out_fd = open(output_file, O_WRONLY|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR); + if (out_fd == -1) { + log_err("Cannot create '%s'\n", output_file); + rc = RC_ERROR; + goto cleanup; + } + + if (version_override != 0) { + version = version_override; + } + + if (version == 1) { + entry_size = 20; + } else if (version == 2) { + entry_size = 24; + } else { + entry_size = 40; + } + + /* Write header info */ + wrote += write(out_fd, QCDT_MAGIC, sizeof(uint8_t) * 4); /* magic */ + wrote += write(out_fd, &version, sizeof(uint32_t)); /* version */ + wrote += write(out_fd, (uint32_t *)&dtb_count, sizeof(uint32_t)); + /* #DTB */ + + /* Calculate offset of first DTB block */ + dtb_offset = 12 + /* header */ + (entry_size * dtb_count) + /* DTB table entries */ + 4; /* end of table indicator */ + + /* Round up to page size */ + padding = page_size - (dtb_offset % page_size); + dtb_offset += padding; + expected = dtb_offset; + + /* Write index table: + chipset + platform + subtype (v2/v3 only) + soc rev + pmic model0 (v3 only) + pmic model1 (v3 only) + pmic model2 (v3 only) + pmic model3 (v3 only) + dtb offset + dtb size + */ + for (chip = chip_list; chip; chip = chip->next) { + wrote += write(out_fd, &chip->chipset, sizeof(uint32_t)); + wrote += write(out_fd, &chip->platform, sizeof(uint32_t)); + if (version >= 2) { + wrote += write(out_fd, &chip->subtype, sizeof(uint32_t)); + } + wrote += write(out_fd, &chip->revNum, sizeof(uint32_t)); + if (version >= 3) { + wrote += write(out_fd, &chip->pmic_model[0], sizeof(uint32_t)); + wrote += write(out_fd, &chip->pmic_model[1], sizeof(uint32_t)); + wrote += write(out_fd, &chip->pmic_model[2], sizeof(uint32_t)); + wrote += write(out_fd, &chip->pmic_model[3], sizeof(uint32_t)); + } + if (chip->master->master_offset != 0) { + wrote += write(out_fd, &chip->master->master_offset, sizeof(uint32_t)); + } else { + wrote += write(out_fd, &expected, sizeof(uint32_t)); + chip->master->master_offset = expected; + expected += chip->master->dtb_size; + } + wrote += write(out_fd, &chip->master->dtb_size, sizeof(uint32_t)); + } + + rc = RC_SUCCESS; + wrote += write(out_fd, &rc, sizeof(uint32_t)); /* end of table indicator */ + if (padding > 0) + wrote += write(out_fd, filler, padding); + + /* Write DTB's */ + for (chip = chip_list; chip; chip = chip->next) { + if (chip->master->wroteDtb) { + continue; + } + + chip->master->wroteDtb = 1; + filename = chip->master->dtb_file; + dtb_size = chip->master->dtb_size; + + log_dbg("\n (writing '%s' - %u bytes) ", filename, dtb_size); + pInputFile = fopen(filename, "r"); + if (pInputFile != NULL) { + totBytesRead = 0; + while ((numBytesRead = fread(buf, 1, COPY_BLK, pInputFile)) > 0) { + wrote += write(out_fd, buf, numBytesRead); + totBytesRead += numBytesRead; + } + fclose(pInputFile); + padding = page_size - (totBytesRead % page_size); + if ((uint32_t)(totBytesRead + padding) != dtb_size) { + log_err("DTB size mismatch, please re-run: expected %d vs actual %d (%s)\n", + dtb_size, totBytesRead + padding, + filename); + rc = RC_ERROR; + break; + } + if (padding > 0) + wrote += write(out_fd, filler, padding); + } else { + log_err("failed to open DTB '%s'\n", filename); + rc = RC_ERROR; + break; + } + } + close(out_fd); + + if (expected != wrote) { + log_err("error writing output file, please rerun: size mismatch %zu vs %zu\n", + expected, wrote); + rc = RC_ERROR; + } else + log_dbg("Total wrote %zu bytes\n", wrote); + + if (rc != RC_SUCCESS) + unlink(output_file); + else + log_info("completed\n"); + +cleanup: + free(filler); + chip_deleteall(); + return rc; +} diff --git a/dtbtool.txt b/dtbtool.txt new file mode 100644 index 0000000..39c9807 --- /dev/null +++ b/dtbtool.txt @@ -0,0 +1,1878 @@ + + + + + + +<!DOCTYPE html> +<html lang="en"> + <head> + <meta charset="utf-8"> + <link rel="dns-prefetch" href="https://assets-cdn.github.com"> + <link rel="dns-prefetch" href="https://avatars0.githubusercontent.com"> + <link rel="dns-prefetch" 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All rights reserved.</td> + </tr> + <tr> + <td id="L2" class="blob-num js-line-number" data-line-number="2"></td> + <td id="LC2" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L3" class="blob-num js-line-number" data-line-number="3"></td> + <td id="LC3" class="blob-code blob-code-inner js-file-line">Redistribution and use in source form and compiled forms (SGML, HTML,</td> + </tr> + <tr> + <td id="L4" class="blob-num js-line-number" data-line-number="4"></td> + <td id="LC4" class="blob-code blob-code-inner js-file-line">PDF, PostScript, RTF and so forth) with or without modification, are</td> + </tr> + <tr> + <td id="L5" class="blob-num js-line-number" data-line-number="5"></td> + <td id="LC5" class="blob-code blob-code-inner js-file-line">permitted provided that the following conditions are met:</td> + </tr> + <tr> + <td id="L6" class="blob-num js-line-number" data-line-number="6"></td> + <td id="LC6" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L7" class="blob-num js-line-number" data-line-number="7"></td> + <td id="LC7" class="blob-code blob-code-inner js-file-line">Redistributions in source form must retain the above copyright</td> + </tr> + <tr> + <td id="L8" class="blob-num js-line-number" data-line-number="8"></td> + <td id="LC8" class="blob-code blob-code-inner js-file-line">notice, this list of conditions and the following disclaimer as the</td> + </tr> + <tr> + <td id="L9" class="blob-num js-line-number" data-line-number="9"></td> + <td id="LC9" class="blob-code blob-code-inner js-file-line">first lines of this file unmodified.</td> + </tr> + <tr> + <td id="L10" class="blob-num js-line-number" data-line-number="10"></td> + <td id="LC10" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L11" class="blob-num js-line-number" data-line-number="11"></td> + <td id="LC11" class="blob-code blob-code-inner js-file-line">Redistributions in compiled form (transformed to other DTDs,</td> + </tr> + <tr> + <td id="L12" class="blob-num js-line-number" data-line-number="12"></td> + <td id="LC12" class="blob-code blob-code-inner js-file-line">converted to PDF, PostScript, RTF and other formats) must reproduce</td> + </tr> + <tr> + <td id="L13" class="blob-num js-line-number" data-line-number="13"></td> + <td id="LC13" class="blob-code blob-code-inner js-file-line">the above copyright notice, this list of conditions and the following</td> + </tr> + <tr> + <td id="L14" class="blob-num js-line-number" data-line-number="14"></td> + <td id="LC14" class="blob-code blob-code-inner js-file-line">disclaimer in the documentation and/or other materials provided with</td> + </tr> + <tr> + <td id="L15" class="blob-num js-line-number" data-line-number="15"></td> + <td id="LC15" class="blob-code blob-code-inner js-file-line">the distribution.</td> + </tr> + <tr> + <td id="L16" class="blob-num js-line-number" data-line-number="16"></td> + <td id="LC16" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L17" class="blob-num js-line-number" data-line-number="17"></td> + <td id="LC17" class="blob-code blob-code-inner js-file-line">THIS DOCUMENTATION IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED</td> + </tr> + <tr> + <td id="L18" class="blob-num js-line-number" data-line-number="18"></td> + <td id="LC18" class="blob-code blob-code-inner js-file-line">WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</td> + </tr> + <tr> + <td id="L19" class="blob-num js-line-number" data-line-number="19"></td> + <td id="LC19" class="blob-code blob-code-inner js-file-line">MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND</td> + </tr> + <tr> + <td id="L20" class="blob-num js-line-number" data-line-number="20"></td> + <td id="LC20" class="blob-code blob-code-inner js-file-line">NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE FREEBSD</td> + </tr> + <tr> + <td id="L21" class="blob-num js-line-number" data-line-number="21"></td> + <td id="LC21" class="blob-code blob-code-inner js-file-line">DOCUMENTATION PROJECT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</td> + </tr> + <tr> + <td id="L22" class="blob-num js-line-number" data-line-number="22"></td> + <td id="LC22" class="blob-code blob-code-inner js-file-line">SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</td> + </tr> + <tr> + <td id="L23" class="blob-num js-line-number" data-line-number="23"></td> + <td id="LC23" class="blob-code blob-code-inner js-file-line">LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</td> + </tr> + <tr> + <td id="L24" class="blob-num js-line-number" data-line-number="24"></td> + <td id="LC24" class="blob-code blob-code-inner js-file-line">DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</td> + </tr> + <tr> + <td id="L25" class="blob-num js-line-number" data-line-number="25"></td> + <td id="LC25" class="blob-code blob-code-inner js-file-line">THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</td> + </tr> + <tr> + <td id="L26" class="blob-num js-line-number" data-line-number="26"></td> + <td id="LC26" class="blob-code blob-code-inner js-file-line">(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</td> + </tr> + <tr> + <td id="L27" class="blob-num js-line-number" data-line-number="27"></td> + <td id="LC27" class="blob-code blob-code-inner js-file-line">OF THIS DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH</td> + </tr> + <tr> + <td id="L28" class="blob-num js-line-number" data-line-number="28"></td> + <td id="LC28" class="blob-code blob-code-inner js-file-line">DAMAGE.</td> + </tr> + <tr> + <td id="L29" class="blob-num js-line-number" data-line-number="29"></td> + <td id="LC29" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L30" class="blob-num js-line-number" data-line-number="30"></td> + <td id="LC30" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L31" class="blob-num js-line-number" data-line-number="31"></td> + <td id="LC31" class="blob-code blob-code-inner js-file-line">Android - Table of Device Tree</td> + </tr> + <tr> + <td id="L32" class="blob-num js-line-number" data-line-number="32"></td> + <td id="LC32" class="blob-code blob-code-inner js-file-line">==============================</td> + </tr> + <tr> + <td id="L33" class="blob-num js-line-number" data-line-number="33"></td> + <td id="LC33" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L34" class="blob-num js-line-number" data-line-number="34"></td> + <td id="LC34" class="blob-code blob-code-inner js-file-line">0) Document revision</td> + </tr> + <tr> + <td id="L35" class="blob-num js-line-number" data-line-number="35"></td> + <td id="LC35" class="blob-code blob-code-inner js-file-line"> v1.0 - Initial version (dng)</td> + </tr> + <tr> + <td id="L36" class="blob-num js-line-number" data-line-number="36"></td> + <td id="LC36" class="blob-code blob-code-inner js-file-line"> v1.1 - Add v2 format to allow subtype (dng)</td> + </tr> + <tr> + <td id="L37" class="blob-num js-line-number" data-line-number="37"></td> + <td id="LC37" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L38" class="blob-num js-line-number" data-line-number="38"></td> + <td id="LC38" class="blob-code blob-code-inner js-file-line">1) Android boot image:</td> + </tr> + <tr> + <td id="L39" class="blob-num js-line-number" data-line-number="39"></td> + <td id="LC39" class="blob-code blob-code-inner js-file-line">----------------------</td> + </tr> + <tr> + <td id="L40" class="blob-num js-line-number" data-line-number="40"></td> + <td id="LC40" class="blob-code blob-code-inner js-file-line">1.1) Header:</td> + </tr> + <tr> + <td id="L41" class="blob-num js-line-number" data-line-number="41"></td> + <td id="LC41" class="blob-code blob-code-inner js-file-line"> 1) Magic (8B)</td> + </tr> + <tr> + <td id="L42" class="blob-num js-line-number" data-line-number="42"></td> + <td id="LC42" class="blob-code blob-code-inner js-file-line"> 2) kernel size (4B)</td> + </tr> + <tr> + <td id="L43" class="blob-num js-line-number" data-line-number="43"></td> + <td id="LC43" class="blob-code blob-code-inner js-file-line"> 3) kernel addr (4B)</td> + </tr> + <tr> + <td id="L44" class="blob-num js-line-number" data-line-number="44"></td> + <td id="LC44" class="blob-code blob-code-inner js-file-line"> 4) ramdisk size (4B)</td> + </tr> + <tr> + <td id="L45" class="blob-num js-line-number" data-line-number="45"></td> + <td id="LC45" class="blob-code blob-code-inner js-file-line"> 5) ramdisk addr (4B)</td> + </tr> + <tr> + <td id="L46" class="blob-num js-line-number" data-line-number="46"></td> + <td id="LC46" class="blob-code blob-code-inner js-file-line"> 6) 2ndary size (4B)</td> + </tr> + <tr> + <td id="L47" class="blob-num js-line-number" data-line-number="47"></td> + <td id="LC47" class="blob-code blob-code-inner js-file-line"> 7) 2ndary addr (4B)</td> + </tr> + <tr> + <td id="L48" class="blob-num js-line-number" data-line-number="48"></td> + <td id="LC48" class="blob-code blob-code-inner js-file-line"> 8) tags addr (4B)</td> + </tr> + <tr> + <td id="L49" class="blob-num js-line-number" data-line-number="49"></td> + <td id="LC49" class="blob-code blob-code-inner js-file-line"> 9) page size (4B)</td> + </tr> + <tr> + <td id="L50" class="blob-num js-line-number" data-line-number="50"></td> + <td id="LC50" class="blob-code blob-code-inner js-file-line"> 10) unused #1 (4B) (zero in standard Android)</td> + </tr> + <tr> + <td id="L51" class="blob-num js-line-number" data-line-number="51"></td> + <td id="LC51" class="blob-code blob-code-inner js-file-line"> 11) unused #2 (4B) (zero in standard Android)</td> + </tr> + <tr> + <td id="L52" class="blob-num js-line-number" data-line-number="52"></td> + <td id="LC52" class="blob-code blob-code-inner js-file-line"> 12) product name (16B)</td> + </tr> + <tr> + <td id="L53" class="blob-num js-line-number" data-line-number="53"></td> + <td id="LC53" class="blob-code blob-code-inner js-file-line"> 13) kernel cmdline (512B)</td> + </tr> + <tr> + <td id="L54" class="blob-num js-line-number" data-line-number="54"></td> + <td id="LC54" class="blob-code blob-code-inner js-file-line"> 14) id (8B)</td> + </tr> + <tr> + <td id="L55" class="blob-num js-line-number" data-line-number="55"></td> + <td id="LC55" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L56" class="blob-num js-line-number" data-line-number="56"></td> + <td id="LC56" class="blob-code blob-code-inner js-file-line">1.2) Layout:</td> + </tr> + <tr> + <td id="L57" class="blob-num js-line-number" data-line-number="57"></td> + <td id="LC57" class="blob-code blob-code-inner js-file-line"> A) header (as above - 1 page)</td> + </tr> + <tr> + <td id="L58" class="blob-num js-line-number" data-line-number="58"></td> + <td id="LC58" class="blob-code blob-code-inner js-file-line"> B) kernel (n pages)</td> + </tr> + <tr> + <td id="L59" class="blob-num js-line-number" data-line-number="59"></td> + <td id="LC59" class="blob-code blob-code-inner js-file-line"> C) ramdisk (m pages)</td> + </tr> + <tr> + <td id="L60" class="blob-num js-line-number" data-line-number="60"></td> + <td id="LC60" class="blob-code blob-code-inner js-file-line"> D) second stage (o pages)</td> + </tr> + <tr> + <td id="L61" class="blob-num js-line-number" data-line-number="61"></td> + <td id="LC61" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L62" class="blob-num js-line-number" data-line-number="62"></td> + <td id="LC62" class="blob-code blob-code-inner js-file-line">2) QC table of device tree</td> + </tr> + <tr> + <td id="L63" class="blob-num js-line-number" data-line-number="63"></td> + <td id="LC63" class="blob-code blob-code-inner js-file-line">--------------------------</td> + </tr> + <tr> + <td id="L64" class="blob-num js-line-number" data-line-number="64"></td> + <td id="LC64" class="blob-code blob-code-inner js-file-line">2.1) Changes:</td> + </tr> + <tr> + <td id="L65" class="blob-num js-line-number" data-line-number="65"></td> + <td id="LC65" class="blob-code blob-code-inner js-file-line"> i) use "unused #1, #2" members in existing boot image</td> + </tr> + <tr> + <td id="L66" class="blob-num js-line-number" data-line-number="66"></td> + <td id="LC66" class="blob-code blob-code-inner js-file-line"> header to point to new table of device tree</td> + </tr> + <tr> + <td id="L67" class="blob-num js-line-number" data-line-number="67"></td> + <td id="LC67" class="blob-code blob-code-inner js-file-line"> (#1 - size of QC table of DT)</td> + </tr> + <tr> + <td id="L68" class="blob-num js-line-number" data-line-number="68"></td> + <td id="LC68" class="blob-code blob-code-inner js-file-line"> ii) append table of device tree (described later)</td> + </tr> + <tr> + <td id="L69" class="blob-num js-line-number" data-line-number="69"></td> + <td id="LC69" class="blob-code blob-code-inner js-file-line"> after "D) second stage"</td> + </tr> + <tr> + <td id="L70" class="blob-num js-line-number" data-line-number="70"></td> + <td id="LC70" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L71" class="blob-num js-line-number" data-line-number="71"></td> + <td id="LC71" class="blob-code blob-code-inner js-file-line">2.2) Format:</td> + </tr> + <tr> + <td id="L72" class="blob-num js-line-number" data-line-number="72"></td> + <td id="LC72" class="blob-code blob-code-inner js-file-line"> size</td> + </tr> + <tr> + <td id="L73" class="blob-num js-line-number" data-line-number="73"></td> + <td id="LC73" class="blob-code blob-code-inner js-file-line"> x +------------------+</td> + </tr> + <tr> + <td id="L74" class="blob-num js-line-number" data-line-number="74"></td> + <td id="LC74" class="blob-code blob-code-inner js-file-line"> | | MAGIC ("QCDT") | 4B</td> + </tr> + <tr> + <td id="L75" class="blob-num js-line-number" data-line-number="75"></td> + <td id="LC75" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L76" class="blob-num js-line-number" data-line-number="76"></td> + <td id="LC76" class="blob-code blob-code-inner js-file-line"> header | VERSION | uint32 (version 3)</td> + </tr> + <tr> + <td id="L77" class="blob-num js-line-number" data-line-number="77"></td> + <td id="LC77" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L78" class="blob-num js-line-number" data-line-number="78"></td> + <td id="LC78" class="blob-code blob-code-inner js-file-line"> | | num of DTBs | uint32 (number of DTB entries)</td> + </tr> + <tr> + <td id="L79" class="blob-num js-line-number" data-line-number="79"></td> + <td id="LC79" class="blob-code blob-code-inner js-file-line"> x +------------------+</td> + </tr> + <tr> + <td id="L80" class="blob-num js-line-number" data-line-number="80"></td> + <td id="LC80" class="blob-code blob-code-inner js-file-line"> | | platform id #1 | uint32 (e.g. ID for MSM8974)</td> + </tr> + <tr> + <td id="L81" class="blob-num js-line-number" data-line-number="81"></td> + <td id="LC81" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L82" class="blob-num js-line-number" data-line-number="82"></td> + <td id="LC82" class="blob-code blob-code-inner js-file-line"> | | variant id #1 | uint32 (e.g. ID for CDP, MTP)</td> + </tr> + <tr> + <td id="L83" class="blob-num js-line-number" data-line-number="83"></td> + <td id="LC83" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L84" class="blob-num js-line-number" data-line-number="84"></td> + <td id="LC84" class="blob-code blob-code-inner js-file-line"> | | subtype id #1 | uint32 (e.g. ID for subtype) (QCDT v2)</td> + </tr> + <tr> + <td id="L85" class="blob-num js-line-number" data-line-number="85"></td> + <td id="LC85" class="blob-code blob-code-inner js-file-line"> device +------------------+</td> + </tr> + <tr> + <td id="L86" class="blob-num js-line-number" data-line-number="86"></td> + <td id="LC86" class="blob-code blob-code-inner js-file-line"> #1 | soc rev #1 | uint32 (e.g. MSM8974 v2)</td> + </tr> + <tr> + <td id="L87" class="blob-num js-line-number" data-line-number="87"></td> + <td id="LC87" class="blob-code blob-code-inner js-file-line"> entry +------------------+</td> + </tr> + <tr> + <td id="L88" class="blob-num js-line-number" data-line-number="88"></td> + <td id="LC88" class="blob-code blob-code-inner js-file-line"> | | pmic0 #1 | uint32 (pmic0-> first smallest SID of existing pmic)</td> + </tr> + <tr> + <td id="L89" class="blob-num js-line-number" data-line-number="89"></td> + <td id="LC89" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L90" class="blob-num js-line-number" data-line-number="90"></td> + <td id="LC90" class="blob-code blob-code-inner js-file-line"> | | pmic1 #1 | uint32 (pmic1-> secondary smallest SID of existing pmic)</td> + </tr> + <tr> + <td id="L91" class="blob-num js-line-number" data-line-number="91"></td> + <td id="LC91" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L92" class="blob-num js-line-number" data-line-number="92"></td> + <td id="LC92" class="blob-code blob-code-inner js-file-line"> | | pmic2 #1 | uint32 (pmic2-> third smallest SID of existing pmic)</td> + </tr> + <tr> + <td id="L93" class="blob-num js-line-number" data-line-number="93"></td> + <td id="LC93" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L94" class="blob-num js-line-number" data-line-number="94"></td> + <td id="LC94" class="blob-code blob-code-inner js-file-line"> | | pmic3 #1 | uint32 (pmic3-> fourth smallest SID of existing pmic)</td> + </tr> + <tr> + <td id="L95" class="blob-num js-line-number" data-line-number="95"></td> + <td id="LC95" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L96" class="blob-num js-line-number" data-line-number="96"></td> + <td id="LC96" class="blob-code blob-code-inner js-file-line"> | | offset #1 | uint32 (byte offset from start/before MAGIC</td> + </tr> + <tr> + <td id="L97" class="blob-num js-line-number" data-line-number="97"></td> + <td id="LC97" class="blob-code blob-code-inner js-file-line"> | +------------------+ to DTB entry)</td> + </tr> + <tr> + <td id="L98" class="blob-num js-line-number" data-line-number="98"></td> + <td id="LC98" class="blob-code blob-code-inner js-file-line"> | | size #1 | uint32 (size in bytes of DTB blob)</td> + </tr> + <tr> + <td id="L99" class="blob-num js-line-number" data-line-number="99"></td> + <td id="LC99" class="blob-code blob-code-inner js-file-line"> x +------------------+</td> + </tr> + <tr> + <td id="L100" class="blob-num js-line-number" data-line-number="100"></td> + <td id="LC100" class="blob-code blob-code-inner js-file-line"> . .</td> + </tr> + <tr> + <td id="L101" class="blob-num js-line-number" data-line-number="101"></td> + <td id="LC101" class="blob-code blob-code-inner js-file-line"> . . (repeat)</td> + </tr> + <tr> + <td id="L102" class="blob-num js-line-number" data-line-number="102"></td> + <td id="LC102" class="blob-code blob-code-inner js-file-line"> . .</td> + </tr> + <tr> + <td id="L103" class="blob-num js-line-number" data-line-number="103"></td> + <td id="LC103" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L104" class="blob-num js-line-number" data-line-number="104"></td> + <td id="LC104" class="blob-code blob-code-inner js-file-line"> x +------------------+</td> + </tr> + <tr> + <td id="L105" class="blob-num js-line-number" data-line-number="105"></td> + <td id="LC105" class="blob-code blob-code-inner js-file-line"> | | platform id #Z | uint32 (e.g. ID for MSM8974)</td> + </tr> + <tr> + <td id="L106" class="blob-num js-line-number" data-line-number="106"></td> + <td id="LC106" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L107" class="blob-num js-line-number" data-line-number="107"></td> + <td id="LC107" class="blob-code blob-code-inner js-file-line"> device | variant id #Z | uint32 (e.g. ID for CDP, MTP)</td> + </tr> + <tr> + <td id="L108" class="blob-num js-line-number" data-line-number="108"></td> + <td id="LC108" class="blob-code blob-code-inner js-file-line"> #Z +------------------+</td> + </tr> + <tr> + <td id="L109" class="blob-num js-line-number" data-line-number="109"></td> + <td id="LC109" class="blob-code blob-code-inner js-file-line"> entry | subtype id #Z | uint32 (e.g. ID for subtype) (QCDT v2)</td> + </tr> + <tr> + <td id="L110" class="blob-num js-line-number" data-line-number="110"></td> + <td id="LC110" class="blob-code blob-code-inner js-file-line"> (last) +------------------+</td> + </tr> + <tr> + <td id="L111" class="blob-num js-line-number" data-line-number="111"></td> + <td id="LC111" class="blob-code blob-code-inner js-file-line"> | | soc rev #Z | uint32 (e.g. MSM8974 v2)</td> + </tr> + <tr> + <td id="L112" class="blob-num js-line-number" data-line-number="112"></td> + <td id="LC112" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L113" class="blob-num js-line-number" data-line-number="113"></td> + <td id="LC113" class="blob-code blob-code-inner js-file-line"> | | pmic0 #1 | uint32 (pmic0-> first smallest SID of existing pmic)</td> + </tr> + <tr> + <td id="L114" class="blob-num js-line-number" data-line-number="114"></td> + <td id="LC114" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L115" class="blob-num js-line-number" data-line-number="115"></td> + <td id="LC115" class="blob-code blob-code-inner js-file-line"> | | pmic1 #1 | uint32 (pmic1-> secondary smallest SID of existing pmic)</td> + </tr> + <tr> + <td id="L116" class="blob-num js-line-number" data-line-number="116"></td> + <td id="LC116" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L117" class="blob-num js-line-number" data-line-number="117"></td> + <td id="LC117" class="blob-code blob-code-inner js-file-line"> | | pmic2 #1 | uint32 (pmic2-> third smallest SID of existing pmic)</td> + </tr> + <tr> + <td id="L118" class="blob-num js-line-number" data-line-number="118"></td> + <td id="LC118" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L119" class="blob-num js-line-number" data-line-number="119"></td> + <td id="LC119" class="blob-code blob-code-inner js-file-line"> | | pmic3 #1 | uint32 (pmic3-> fourth smallest SID of existing pmic)</td> + </tr> + <tr> + <td id="L120" class="blob-num js-line-number" data-line-number="120"></td> + <td id="LC120" class="blob-code blob-code-inner js-file-line"> | +------------------+</td> + </tr> + <tr> + <td id="L121" class="blob-num js-line-number" data-line-number="121"></td> + <td id="LC121" class="blob-code blob-code-inner js-file-line"> | | offset #Z | uint32 (byte offset from start/before MAGIC</td> + </tr> + <tr> + <td id="L122" class="blob-num js-line-number" data-line-number="122"></td> + <td id="LC122" class="blob-code blob-code-inner js-file-line"> x +------------------+ to DTB entry)</td> + </tr> + <tr> + <td id="L123" class="blob-num js-line-number" data-line-number="123"></td> + <td id="LC123" class="blob-code blob-code-inner js-file-line"> | 0 ("zero") | uint32 (end of list delimiter)</td> + </tr> + <tr> + <td id="L124" class="blob-num js-line-number" data-line-number="124"></td> + <td id="LC124" class="blob-code blob-code-inner js-file-line"> +------------------+ to DTB entry)</td> + </tr> + <tr> + <td id="L125" class="blob-num js-line-number" data-line-number="125"></td> + <td id="LC125" class="blob-code blob-code-inner js-file-line"> | padding | variable length for next DTB to start on</td> + </tr> + <tr> + <td id="L126" class="blob-num js-line-number" data-line-number="126"></td> + <td id="LC126" class="blob-code blob-code-inner js-file-line"> +------------------+ page boundary</td> + </tr> + <tr> + <td id="L127" class="blob-num js-line-number" data-line-number="127"></td> + <td id="LC127" class="blob-code blob-code-inner js-file-line"> | DTB #1 | variable (start is page aligned)</td> + </tr> + <tr> + <td id="L128" class="blob-num js-line-number" data-line-number="128"></td> + <td id="LC128" class="blob-code blob-code-inner js-file-line"> | |</td> + </tr> + <tr> + <td id="L129" class="blob-num js-line-number" data-line-number="129"></td> + <td id="LC129" class="blob-code blob-code-inner js-file-line"> | |</td> + </tr> + <tr> + <td id="L130" class="blob-num js-line-number" data-line-number="130"></td> + <td id="LC130" class="blob-code blob-code-inner js-file-line"> +------------------+</td> + </tr> + <tr> + <td id="L131" class="blob-num js-line-number" data-line-number="131"></td> + <td id="LC131" class="blob-code blob-code-inner js-file-line"> | padding | variable length for next DTB to start on</td> + </tr> + <tr> + <td id="L132" class="blob-num js-line-number" data-line-number="132"></td> + <td id="LC132" class="blob-code blob-code-inner js-file-line"> +------------------+ page boundary</td> + </tr> + <tr> + <td id="L133" class="blob-num js-line-number" data-line-number="133"></td> + <td id="LC133" class="blob-code blob-code-inner js-file-line"> .</td> + </tr> + <tr> + <td id="L134" class="blob-num js-line-number" data-line-number="134"></td> + <td id="LC134" class="blob-code blob-code-inner js-file-line"> .</td> + </tr> + <tr> + <td id="L135" class="blob-num js-line-number" data-line-number="135"></td> + <td id="LC135" class="blob-code blob-code-inner js-file-line"> .</td> + </tr> + <tr> + <td id="L136" class="blob-num js-line-number" data-line-number="136"></td> + <td id="LC136" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L137" class="blob-num js-line-number" data-line-number="137"></td> + <td id="LC137" class="blob-code blob-code-inner js-file-line"> +------------------+</td> + </tr> + <tr> + <td id="L138" class="blob-num js-line-number" data-line-number="138"></td> + <td id="LC138" class="blob-code blob-code-inner js-file-line"> | DTB #Z (last) | variable (start is page aligned)</td> + </tr> + <tr> + <td id="L139" class="blob-num js-line-number" data-line-number="139"></td> + <td id="LC139" class="blob-code blob-code-inner js-file-line"> | |</td> + </tr> + <tr> + <td id="L140" class="blob-num js-line-number" data-line-number="140"></td> + <td id="LC140" class="blob-code blob-code-inner js-file-line"> | |</td> + </tr> + <tr> + <td id="L141" class="blob-num js-line-number" data-line-number="141"></td> + <td id="LC141" class="blob-code blob-code-inner js-file-line"> +------------------+</td> + </tr> + <tr> + <td id="L142" class="blob-num js-line-number" data-line-number="142"></td> + <td id="LC142" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L143" class="blob-num js-line-number" data-line-number="143"></td> + <td id="LC143" class="blob-code blob-code-inner js-file-line">3) Operations</td> + </tr> + <tr> + <td id="L144" class="blob-num js-line-number" data-line-number="144"></td> + <td id="LC144" class="blob-code blob-code-inner js-file-line">-------------</td> + </tr> + <tr> + <td id="L145" class="blob-num js-line-number" data-line-number="145"></td> + <td id="LC145" class="blob-code blob-code-inner js-file-line">3.1) Build-time:</td> + </tr> + <tr> + <td id="L146" class="blob-num js-line-number" data-line-number="146"></td> + <td id="LC146" class="blob-code blob-code-inner js-file-line"> 1) Each DTS per device will add a "qcom,msm-id" entry</td> + </tr> + <tr> + <td id="L147" class="blob-num js-line-number" data-line-number="147"></td> + <td id="LC147" class="blob-code blob-code-inner js-file-line"> e.g. for msm8974-sim.dts, add</td> + </tr> + <tr> + <td id="L148" class="blob-num js-line-number" data-line-number="148"></td> + <td id="LC148" class="blob-code blob-code-inner js-file-line"> qcom,msm-id = <x y z>;</td> + </tr> + <tr> + <td id="L149" class="blob-num js-line-number" data-line-number="149"></td> + <td id="LC149" class="blob-code blob-code-inner js-file-line"> or</td> + </tr> + <tr> + <td id="L150" class="blob-num js-line-number" data-line-number="150"></td> + <td id="LC150" class="blob-code blob-code-inner js-file-line"> qcom,msm-id = <x z>;</td> + </tr> + <tr> + <td id="L151" class="blob-num js-line-number" data-line-number="151"></td> + <td id="LC151" class="blob-code blob-code-inner js-file-line"> qcom,board-id = <y y'>;</td> + </tr> + <tr> + <td id="L152" class="blob-num js-line-number" data-line-number="152"></td> + <td id="LC152" class="blob-code blob-code-inner js-file-line"> or</td> + </tr> + <tr> + <td id="L153" class="blob-num js-line-number" data-line-number="153"></td> + <td id="LC153" class="blob-code blob-code-inner js-file-line"> qcom,msm-id = <x z>;</td> + </tr> + <tr> + <td id="L154" class="blob-num js-line-number" data-line-number="154"></td> + <td id="LC154" class="blob-code blob-code-inner js-file-line"> qcom,board-id = <y y'>;</td> + </tr> + <tr> + <td id="L155" class="blob-num js-line-number" data-line-number="155"></td> + <td id="LC155" class="blob-code blob-code-inner js-file-line"> qcom,pmic-id = <a b c d>;</td> + </tr> + <tr> + <td id="L156" class="blob-num js-line-number" data-line-number="156"></td> + <td id="LC156" class="blob-code blob-code-inner js-file-line"> x = ID for msm8974</td> + </tr> + <tr> + <td id="L157" class="blob-num js-line-number" data-line-number="157"></td> + <td id="LC157" class="blob-code blob-code-inner js-file-line"> y = ID for CDP, MTP, etc.</td> + </tr> + <tr> + <td id="L158" class="blob-num js-line-number" data-line-number="158"></td> + <td id="LC158" class="blob-code blob-code-inner js-file-line"> y' = ID for subtype (assumed zero if absent)</td> + </tr> + <tr> + <td id="L159" class="blob-num js-line-number" data-line-number="159"></td> + <td id="LC159" class="blob-code blob-code-inner js-file-line"> z = ID for soc revision</td> + </tr> + <tr> + <td id="L160" class="blob-num js-line-number" data-line-number="160"></td> + <td id="LC160" class="blob-code blob-code-inner js-file-line"> a = pmic0</td> + </tr> + <tr> + <td id="L161" class="blob-num js-line-number" data-line-number="161"></td> + <td id="LC161" class="blob-code blob-code-inner js-file-line"> b = pmic1</td> + </tr> + <tr> + <td id="L162" class="blob-num js-line-number" data-line-number="162"></td> + <td id="LC162" class="blob-code blob-code-inner js-file-line"> c = pmic2</td> + </tr> + <tr> + <td id="L163" class="blob-num js-line-number" data-line-number="163"></td> + <td id="LC163" class="blob-code blob-code-inner js-file-line"> d = pmic3</td> + </tr> + <tr> + <td id="L164" class="blob-num js-line-number" data-line-number="164"></td> + <td id="LC164" class="blob-code blob-code-inner js-file-line"> SBL populates the pmic entries always in ascending order of SID, so</td> + </tr> + <tr> + <td id="L165" class="blob-num js-line-number" data-line-number="165"></td> + <td id="LC165" class="blob-code blob-code-inner js-file-line"> pmic0-> SID0, pmic1-> SID1, pmic2-> SID2, pmic3-> SID3.</td> + </tr> + <tr> + <td id="L166" class="blob-num js-line-number" data-line-number="166"></td> + <td id="LC166" class="blob-code blob-code-inner js-file-line"> e.g. for qcom,pmic-id = <pmic0 pmic1 pmic2 pmic3></td> + </tr> + <tr> + <td id="L167" class="blob-num js-line-number" data-line-number="167"></td> + <td id="LC167" class="blob-code blob-code-inner js-file-line"> Board X = MSM8994 + PM8994 + PMI8994 (Existing boards [ROW])</td> + </tr> + <tr> + <td id="L168" class="blob-num js-line-number" data-line-number="168"></td> + <td id="LC168" class="blob-code blob-code-inner js-file-line"> Board Y = MSM8994 + PM8994 + PMI8994 + PM8004 (Internal SS board variant)</td> + </tr> + <tr> + <td id="L169" class="blob-num js-line-number" data-line-number="169"></td> + <td id="LC169" class="blob-code blob-code-inner js-file-line"> Board Z = MSM8994 + PM8994 + PM8004 (Boards that SS will be making)</td> + </tr> + <tr> + <td id="L170" class="blob-num js-line-number" data-line-number="170"></td> + <td id="LC170" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L171" class="blob-num js-line-number" data-line-number="171"></td> + <td id="LC171" class="blob-code blob-code-inner js-file-line"> For all boards X, Y, and Z, PMICs have the following SIDs and REVID SUBTYPEs</td> + </tr> + <tr> + <td id="L172" class="blob-num js-line-number" data-line-number="172"></td> + <td id="LC172" class="blob-code blob-code-inner js-file-line"> (i.e. PMIC Model):</td> + </tr> + <tr> + <td id="L173" class="blob-num js-line-number" data-line-number="173"></td> + <td id="LC173" class="blob-code blob-code-inner js-file-line"> PM8994 - SID 0 and 1; subtype = 9</td> + </tr> + <tr> + <td id="L174" class="blob-num js-line-number" data-line-number="174"></td> + <td id="LC174" class="blob-code blob-code-inner js-file-line"> PMI8994 - SID 2 and 3; subtype = 10</td> + </tr> + <tr> + <td id="L175" class="blob-num js-line-number" data-line-number="175"></td> + <td id="LC175" class="blob-code blob-code-inner js-file-line"> PM8004 - SID 4 and 5; subtype = 12</td> + </tr> + <tr> + <td id="L176" class="blob-num js-line-number" data-line-number="176"></td> + <td id="LC176" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L177" class="blob-num js-line-number" data-line-number="177"></td> + <td id="LC177" class="blob-code blob-code-inner js-file-line"> LK using SMEM PMIC info(1 as major and 0 as minor version for example):</td> + </tr> + <tr> + <td id="L178" class="blob-num js-line-number" data-line-number="178"></td> + <td id="LC178" class="blob-code blob-code-inner js-file-line"> Board X: qcom,pmic-id = <0x0109 0x010A 0x0 0x0>;</td> + </tr> + <tr> + <td id="L179" class="blob-num js-line-number" data-line-number="179"></td> + <td id="LC179" class="blob-code blob-code-inner js-file-line"> Board Y: qcom,pmic-id = <0x0109 0x010A 0x010C 0x0>;</td> + </tr> + <tr> + <td id="L180" class="blob-num js-line-number" data-line-number="180"></td> + <td id="LC180" class="blob-code blob-code-inner js-file-line"> Board Z: qcom,pmic-id = <0x0109 0x010C 0x0 0x0>;</td> + </tr> + <tr> + <td id="L181" class="blob-num js-line-number" data-line-number="181"></td> + <td id="LC181" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L182" class="blob-num js-line-number" data-line-number="182"></td> + <td id="LC182" class="blob-code blob-code-inner js-file-line"> The entry can optionally be an array:</td> + </tr> + <tr> + <td id="L183" class="blob-num js-line-number" data-line-number="183"></td> + <td id="LC183" class="blob-code blob-code-inner js-file-line"> qcom,msm-id = <x1 y1 z1>, <x2 y2 z2>, ...;</td> + </tr> + <tr> + <td id="L184" class="blob-num js-line-number" data-line-number="184"></td> + <td id="LC184" class="blob-code blob-code-inner js-file-line"> or</td> + </tr> + <tr> + <td id="L185" class="blob-num js-line-number" data-line-number="185"></td> + <td id="LC185" class="blob-code blob-code-inner js-file-line"> qcom,msm-id = <x1 z1>, <x2 z2>, ...;</td> + </tr> + <tr> + <td id="L186" class="blob-num js-line-number" data-line-number="186"></td> + <td id="LC186" class="blob-code blob-code-inner js-file-line"> qcom,board-id = <y1 y1'>, ...;</td> + </tr> + <tr> + <td id="L187" class="blob-num js-line-number" data-line-number="187"></td> + <td id="LC187" class="blob-code blob-code-inner js-file-line"> or</td> + </tr> + <tr> + <td id="L188" class="blob-num js-line-number" data-line-number="188"></td> + <td id="LC188" class="blob-code blob-code-inner js-file-line"> qcom,msm-id = <x1 z1>, <x2 z2>, ...;</td> + </tr> + <tr> + <td id="L189" class="blob-num js-line-number" data-line-number="189"></td> + <td id="LC189" class="blob-code blob-code-inner js-file-line"> qcom,board-id = <y1 y1'>, ...;</td> + </tr> + <tr> + <td id="L190" class="blob-num js-line-number" data-line-number="190"></td> + <td id="LC190" class="blob-code blob-code-inner js-file-line"> qcom,pmic-id = <a1 b1 c1 d1>, ...;</td> + </tr> + <tr> + <td id="L191" class="blob-num js-line-number" data-line-number="191"></td> + <td id="LC191" class="blob-code blob-code-inner js-file-line"> Note that qcom,msm-id, qcom,board-id and qcom,pmic-id are not matched pairs.</td> + </tr> + <tr> + <td id="L192" class="blob-num js-line-number" data-line-number="192"></td> + <td id="LC192" class="blob-code blob-code-inner js-file-line"> 2) Kernel compile will generate the DTB</td> + </tr> + <tr> + <td id="L193" class="blob-num js-line-number" data-line-number="193"></td> + <td id="LC193" class="blob-code blob-code-inner js-file-line"> 3) Android build will run a new tool (dtbTool)</td> + </tr> + <tr> + <td id="L194" class="blob-num js-line-number" data-line-number="194"></td> + <td id="LC194" class="blob-code blob-code-inner js-file-line"> a) scan the DTB output directory for all compiled DTB</td> + </tr> + <tr> + <td id="L195" class="blob-num js-line-number" data-line-number="195"></td> + <td id="LC195" class="blob-code blob-code-inner js-file-line"> b) decompile the DTB for "qcom,msm-id"/"qcom,board-id"/"qcom,pmic-id"</td> + </tr> + <tr> + <td id="L196" class="blob-num js-line-number" data-line-number="196"></td> + <td id="LC196" class="blob-code blob-code-inner js-file-line"> c) generate the QC table of device tree in sorted</td> + </tr> + <tr> + <td id="L197" class="blob-num js-line-number" data-line-number="197"></td> + <td id="LC197" class="blob-code blob-code-inner js-file-line"> order (platform, variant, subtype, soc rev, pmic0, pmic1, pmic2, pmic3)</td> + </tr> + <tr> + <td id="L198" class="blob-num js-line-number" data-line-number="198"></td> + <td id="LC198" class="blob-code blob-code-inner js-file-line"> d) modified mkbootimg will merge new table of DT</td> + </tr> + <tr> + <td id="L199" class="blob-num js-line-number" data-line-number="199"></td> + <td id="LC199" class="blob-code blob-code-inner js-file-line"> +</td> + </tr> + <tr> + <td id="L200" class="blob-num js-line-number" data-line-number="200"></td> + <td id="LC200" class="blob-code blob-code-inner js-file-line">3.2) Run-time:</td> + </tr> + <tr> + <td id="L201" class="blob-num js-line-number" data-line-number="201"></td> + <td id="LC201" class="blob-code blob-code-inner js-file-line"> 1) LK bootloader will obtain platform id/variant/subtype/soc rev/major ver/minor ver</td> + </tr> + <tr> + <td id="L202" class="blob-num js-line-number" data-line-number="202"></td> + <td id="LC202" class="blob-code blob-code-inner js-file-line"> /pmic0/pmic1/pmic2/pmic3 info either from early bootloaders or via other means</td> + </tr> + <tr> + <td id="L203" class="blob-num js-line-number" data-line-number="203"></td> + <td id="LC203" class="blob-code blob-code-inner js-file-line"> 2) LK bootloader will check entries #10 for non-zero</td> + </tr> + <tr> + <td id="L204" class="blob-num js-line-number" data-line-number="204"></td> + <td id="LC204" class="blob-code blob-code-inner js-file-line"> value (set to zero for standard boot.img). If the</td> + </tr> + <tr> + <td id="L205" class="blob-num js-line-number" data-line-number="205"></td> + <td id="LC205" class="blob-code blob-code-inner js-file-line"> value is non-zero, refer to page section after</td> + </tr> + <tr> + <td id="L206" class="blob-num js-line-number" data-line-number="206"></td> + <td id="LC206" class="blob-code blob-code-inner js-file-line"> the "second stage" in the boot.img layout</td> + </tr> + <tr> + <td id="L207" class="blob-num js-line-number" data-line-number="207"></td> + <td id="LC207" class="blob-code blob-code-inner js-file-line"> 3) Check QCDT magic</td> + </tr> + <tr> + <td id="L208" class="blob-num js-line-number" data-line-number="208"></td> + <td id="LC208" class="blob-code blob-code-inner js-file-line"> 4) Check QCDT version (optional LK to handle multiple</td> + </tr> + <tr> + <td id="L209" class="blob-num js-line-number" data-line-number="209"></td> + <td id="LC209" class="blob-code blob-code-inner js-file-line"> QCDT version)</td> + </tr> + <tr> + <td id="L210" class="blob-num js-line-number" data-line-number="210"></td> + <td id="LC210" class="blob-code blob-code-inner js-file-line"> 5) LK scans through the QCDT table to look for matching</td> + </tr> + <tr> + <td id="L211" class="blob-num js-line-number" data-line-number="211"></td> + <td id="LC211" class="blob-code blob-code-inner js-file-line"> entry. Search order is:</td> + </tr> + <tr> + <td id="L212" class="blob-num js-line-number" data-line-number="212"></td> + <td id="LC212" class="blob-code blob-code-inner js-file-line"> 1) msm ID exact match</td> + </tr> + <tr> + <td id="L213" class="blob-num js-line-number" data-line-number="213"></td> + <td id="LC213" class="blob-code blob-code-inner js-file-line"> 2) Platform type exact match</td> + </tr> + <tr> + <td id="L214" class="blob-num js-line-number" data-line-number="214"></td> + <td id="LC214" class="blob-code blob-code-inner js-file-line"> 3) subtype ID exact match</td> + </tr> + <tr> + <td id="L215" class="blob-num js-line-number" data-line-number="215"></td> + <td id="LC215" class="blob-code blob-code-inner js-file-line"> 4) HLOS subtype exact match</td> + </tr> + <tr> + <td id="L216" class="blob-num js-line-number" data-line-number="216"></td> + <td id="LC216" class="blob-code blob-code-inner js-file-line"> 5) Pmic0 model ID exact match</td> + </tr> + <tr> + <td id="L217" class="blob-num js-line-number" data-line-number="217"></td> + <td id="LC217" class="blob-code blob-code-inner js-file-line"> 6) Pmic1 model ID exact match</td> + </tr> + <tr> + <td id="L218" class="blob-num js-line-number" data-line-number="218"></td> + <td id="LC218" class="blob-code blob-code-inner js-file-line"> 7) Pmic2 model ID exact match</td> + </tr> + <tr> + <td id="L219" class="blob-num js-line-number" data-line-number="219"></td> + <td id="LC219" class="blob-code blob-code-inner js-file-line"> 8) Pmic3 model ID exact match</td> + </tr> + <tr> + <td id="L220" class="blob-num js-line-number" data-line-number="220"></td> + <td id="LC220" class="blob-code blob-code-inner js-file-line"> 9) foundry ID, look for exact match, if not found choose</td> + </tr> + <tr> + <td id="L221" class="blob-num js-line-number" data-line-number="221"></td> + <td id="LC221" class="blob-code blob-code-inner js-file-line"> device tree with foundry-id(0x0)</td> + </tr> + <tr> + <td id="L222" class="blob-num js-line-number" data-line-number="222"></td> + <td id="LC222" class="blob-code blob-code-inner js-file-line"> 10) select the highest soc rev in QCDT that is</td> + </tr> + <tr> + <td id="L223" class="blob-num js-line-number" data-line-number="223"></td> + <td id="LC223" class="blob-code blob-code-inner js-file-line"> equal to or lower than the runtime detected soc rev</td> + </tr> + <tr> + <td id="L224" class="blob-num js-line-number" data-line-number="224"></td> + <td id="LC224" class="blob-code blob-code-inner js-file-line"> 11) select the highest major&minor ver in QCDT that is</td> + </tr> + <tr> + <td id="L225" class="blob-num js-line-number" data-line-number="225"></td> + <td id="LC225" class="blob-code blob-code-inner js-file-line"> equal to or lower than the runtime detected major ver</td> + </tr> + <tr> + <td id="L226" class="blob-num js-line-number" data-line-number="226"></td> + <td id="LC226" class="blob-code blob-code-inner js-file-line"> 12) select the highest pmic0 major&minor in QCDT that is</td> + </tr> + <tr> + <td id="L227" class="blob-num js-line-number" data-line-number="227"></td> + <td id="LC227" class="blob-code blob-code-inner js-file-line"> equal to or lower than the runtime detected pmic0</td> + </tr> + <tr> + <td id="L228" class="blob-num js-line-number" data-line-number="228"></td> + <td id="LC228" class="blob-code blob-code-inner js-file-line"> 13) select the highest pmic1 major&minor in QCDT that is</td> + </tr> + <tr> + <td id="L229" class="blob-num js-line-number" data-line-number="229"></td> + <td id="LC229" class="blob-code blob-code-inner js-file-line"> equal to or lower than the runtime detected pmic1</td> + </tr> + <tr> + <td id="L230" class="blob-num js-line-number" data-line-number="230"></td> + <td id="LC230" class="blob-code blob-code-inner js-file-line"> 14) select the highest pmic2 major&minor in QCDT that is</td> + </tr> + <tr> + <td id="L231" class="blob-num js-line-number" data-line-number="231"></td> + <td id="LC231" class="blob-code blob-code-inner js-file-line"> equal to or lower than the runtime detected pmic2</td> + </tr> + <tr> + <td id="L232" class="blob-num js-line-number" data-line-number="232"></td> + <td id="LC232" class="blob-code blob-code-inner js-file-line"> 15) select the highest pmic3 major&minor in QCDT that is</td> + </tr> + <tr> + <td id="L233" class="blob-num js-line-number" data-line-number="233"></td> + <td id="LC233" class="blob-code blob-code-inner js-file-line"> equal to or lower than the runtime detected pmic3</td> + </tr> + <tr> + <td id="L234" class="blob-num js-line-number" data-line-number="234"></td> + <td id="LC234" class="blob-code blob-code-inner js-file-line"> 6) Load the matching DTB blob to the tags addr</td> + </tr> + <tr> + <td id="L235" class="blob-num js-line-number" data-line-number="235"></td> + <td id="LC235" class="blob-code blob-code-inner js-file-line"> 7) LK pass the correct DTB to the kernel</td> + </tr> +</table> + + + </div> + + 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