525 lines
14 KiB
C
525 lines
14 KiB
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#include <config.h>
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#include <common.h>
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#include <asm/arch/io.h>
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#include <command.h>
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#include <malloc.h>
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#include <asm/arch/efuse.h>
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#include <asm/arch/bl31_apis.h>
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#include <amlogic/aml_efuse.h>
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#define CMD_EFUSE_WRITE 0
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#define CMD_EFUSE_READ 1
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#define CMD_EFUSE_READ_CALI 2
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#define CMD_EFUSE_READ_CALI_ITEM 3
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#define CMD_EFUSE_SECURE_BOOT_SET 6
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#define CMD_EFUSE_PASSWORD_SET 7
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#define CMD_EFUSE_CUSTOMER_ID_SET 8
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#define CMD_EFUSE_CHECK_PATTERN_ITEM 10
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#define CMD_EFUSE_AMLOGIC_SET 20
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int cmd_efuse(int argc, char * const argv[], char *buf)
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{
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int i, action = -1;
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u64 offset;
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u32 size = 0, max_size;
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char *end;
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char *s;
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int ret;
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long lAddr1, lAddr2;
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unsigned long nType = 0;
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if (strncmp(argv[1], "read", 4) == 0) {
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action = CMD_EFUSE_READ;
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} else if (strncmp(argv[1], "cali_read", 9) == 0) {
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action = CMD_EFUSE_READ_CALI;
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} else if (strncmp(argv[1], "item_read", 9) == 0) {
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action = CMD_EFUSE_READ_CALI_ITEM;
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goto efuse_action;
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} else if (strncmp(argv[1], "check", 9) == 0) {
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action = CMD_EFUSE_CHECK_PATTERN_ITEM;
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goto efuse_action;
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} else if (strncmp(argv[1], "write", 5) == 0) {
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action = CMD_EFUSE_WRITE;
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} else if (strncmp(argv[1], "secure_boot_set", 15) == 0) {
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action = CMD_EFUSE_SECURE_BOOT_SET;
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goto efuse_action;
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} else if (strncmp(argv[1], "password_set", 12) == 0) {
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action = CMD_EFUSE_PASSWORD_SET;
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goto efuse_action;
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} else if (strncmp(argv[1], "customer_id_set", 15) == 0) {
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action = CMD_EFUSE_CUSTOMER_ID_SET;
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goto efuse_action;
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} else if (strncmp(argv[1], "amlogic_set", 11) == 0) {
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action = CMD_EFUSE_AMLOGIC_SET;
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goto efuse_action;
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} else{
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printf("%s arg error\n", argv[1]);
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return CMD_RET_USAGE;
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}
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if (argc < 4)
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return CMD_RET_USAGE;
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/*check efuse user data max size*/
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offset = simple_strtoul(argv[2], &end, 16);
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size = simple_strtoul(argv[3], &end, 16);
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printf("%s: offset is %lld size is %d\n", __func__, offset, size);
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max_size = efuse_get_max();
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if (!size) {
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printf("\n error: size is zero!!!\n");
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return -1;
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}
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if (offset > max_size) {
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printf("\n error: offset is too large!!!\n");
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printf("\n offset should be less than %d!\n", max_size);
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return -1;
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}
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if (offset + size > max_size) {
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printf("\n error: offset + size is too large!!!\n");
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printf("\n offset + size should be less than %d!\n", max_size);
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return -1;
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}
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efuse_action:
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/* efuse read */
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if (action == CMD_EFUSE_READ) {
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memset(buf, 0, size);
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ret = efuse_read_usr(buf, size, (loff_t *)&offset);
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if (ret == -1) {
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printf("ERROR: efuse read user data fail!\n");
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return -1;
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}
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if (ret != size)
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printf("ERROR: read %d byte(s) not %d byte(s) data\n",
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ret, size);
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printf("efuse read data");
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for (i = 0; i < size; i++) {
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if (i % 16 == 0)
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printf("\n");
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printf(":%02x", buf[i]);
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}
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printf("\n");
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}
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else if (action == CMD_EFUSE_READ_CALI) {
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memset(buf, 0, size);
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ret = efuse_read_cali(buf, size, offset);
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if (ret == -1) {
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printf("ERROR: efuse read cali data fail!\n");
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return -1;
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}
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if (ret != size)
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printf("ERROR: read %d byte(s) not %d byte(s) data\n",
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ret, size);
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printf("efuse read cali data");
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for (i = 0; i < size; i++) {
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if (i % 16 == 0)
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printf("\n");
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printf(":%02x", buf[i]);
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}
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printf("\n");
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}
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else if (action == CMD_EFUSE_READ_CALI_ITEM) {
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s = argv[2];
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ret = efuse_get_cali_item(s);
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if (ret < 0) {
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printf("ERROR: efuse read cali item data fail!\n");
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return -1;
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}
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printf("efuse %s cali data=0x%x\n",s,ret);
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} else if (action == CMD_EFUSE_CHECK_PATTERN_ITEM) {
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s = argv[2];
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ret = efuse_check_pattern_item(s);
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if (ret < 0) {
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printf("ERROR: efuse check pattern fail!\n");
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return -1;
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}
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printf("efuse %s %s\n", s, ret > 0 ? "has been written" : "is not write");
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return ret == 0 ? 1 : 0; //cmd return 0: written, 1: not write
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}
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/* efuse write */
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else if (action == CMD_EFUSE_WRITE) {
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if (argc < 5) {
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printf("arg count error\n");
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return CMD_RET_USAGE;
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}
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memset(buf, 0, size);
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s = argv[4];
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memcpy(buf, s, strlen(s));
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if (efuse_write_usr(buf, size, (loff_t *)&offset) < 0) {
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printf("error: efuse write fail.\n");
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return -1;
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} else {
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printf("%s written done.\n", __func__);
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}
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} else if (CMD_EFUSE_SECURE_BOOT_SET == action || CMD_EFUSE_AMLOGIC_SET == action \
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|| CMD_EFUSE_PASSWORD_SET == action || CMD_EFUSE_CUSTOMER_ID_SET == action) {
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lAddr1 = GXB_IMG_LOAD_ADDR;
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if (argc > 2)
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lAddr1 = simple_strtoul(argv[2], &end, 16);
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lAddr2 = get_sharemem_info(GET_SHARE_MEM_INPUT_BASE);
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memcpy((void *)lAddr2, (void *)lAddr1, GXB_EFUSE_PATTERN_SIZE<<1);
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flush_cache(lAddr2, GXB_EFUSE_PATTERN_SIZE<<1);
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switch (action) {
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case CMD_EFUSE_SECURE_BOOT_SET:
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nType = AML_D_P_W_EFUSE_SECURE_BOOT;
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break;
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case CMD_EFUSE_AMLOGIC_SET:
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nType = AML_D_P_W_EFUSE_AMLOGIC;
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break;
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case CMD_EFUSE_PASSWORD_SET:
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nType = AML_D_P_W_EFUSE_PASSWORD;
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break;
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case CMD_EFUSE_CUSTOMER_ID_SET:
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nType = AML_D_P_W_EFUSE_CUSTOMER_ID;
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break;
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}
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ret = aml_sec_boot_check(nType, lAddr2, GXB_EFUSE_PATTERN_SIZE<<1, 0);
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if (ret)
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printf("aml log : EFUSE pattern programming fail [%d]!\n",
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ret);
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else
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printf("aml log : EFUSE pattern programming success!\n");
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return ret;
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} else {
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/*
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* This part of the code is necessary to prevent unknown errors
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*/
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/* coverity[dead_error_begin] */
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printf("arg error\n");
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return CMD_RET_USAGE;
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}
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return 0;
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}
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int do_efuse(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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char buf[EFUSE_BYTES];
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memset(buf, 0, sizeof(buf));
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if (argc < 2)
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return CMD_RET_USAGE;
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return cmd_efuse(argc, argv, buf);
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}
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static char efuse_help_text[] =
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"[read/write offset size [data]]\n"
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" [cali_read] -read from cali\n"
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" example: [efuse cali_read 0 7]; offset is 0,size is 7. \n"
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" [item_read] -read cali item\n"
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" [item_read sensor/saradc/mipicsi/hdmirx/eth/cvbs/earcrx/earctx]\n"
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" [check] -check if pattern is write\n"
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" [check dgpk1|dgpk2|aud_id]\n"
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" [read/write] - read or write 'size' data from\n"
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" 'offset' from efuse user data ;\n"
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" [offset] - the offset byte from the beginning\n"
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" of efuse user data zone;\n"
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" [size] - data size\n"
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" [data] - the optional argument for 'write',\n"
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" data is treated as characters\n"
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" examples: efuse write 0xc 0xd abcdABCD1234\n"
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"[amlogic_set addr]\n";
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U_BOOT_CMD(
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efuse, 5, 1, do_efuse,
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"efuse commands", efuse_help_text
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);
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#ifdef CONFIG_EFUSE_OBJ_API
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static char *efuse_obj_err_parse(uint32_t efuse_obj_err_status)
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{
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char *err_char = NULL;
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switch (efuse_obj_err_status) {
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case EFUSE_OBJ_ERR_INVALID_DATA:
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err_char = "invalid data";
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break;
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case EFUSE_OBJ_ERR_NOT_FOUND:
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err_char = "field not found";
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break;
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case EFUSE_OBJ_ERR_SIZE:
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err_char = "size not match";
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break;
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case EFUSE_OBJ_ERR_NOT_SUPPORT:
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err_char = "not support";
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break;
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case EFUSE_OBJ_ERR_ACCESS:
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err_char = "access denied";
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break;
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case EFUSE_OBJ_ERR_WRITE_PROTECTED:
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err_char = "write protected";
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break;
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case EFUSE_OBJ_ERR_TAG:
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err_char = "invalid encrypted data tag. check device pub key and re-encrypt";
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break;
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case EFUSE_OBJ_ERR_INTERNAL:
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case EFUSE_OBJ_ERR_OTHER_INTERNAL:
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err_char = "internal error";
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break;
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default:
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err_char = "unknown error";
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break;
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}
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return err_char;
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}
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int do_efuse_obj(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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uint32_t rc = CMD_RET_FAILURE;
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char *name = NULL;
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if (argc < 3 || argc > 4) {
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printf("Invalid number of arguments %d\n", argc);
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return CMD_RET_USAGE;
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}
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memset(&efuse_field, 0, sizeof(efuse_field));
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if (strcmp(argv[1], "get") == 0) {
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// $0 get field
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if (argc == 3) {
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name = argv[2];
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rc = efuse_obj_get_data(name);
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if (rc == EFUSE_OBJ_SUCCESS) {
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int i;
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for (i = 0; i < efuse_field.size; i++)
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printf("%02x%s", efuse_field.data[i],
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((i && i % 16 == 15) || (i == efuse_field.size - 1)
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? "\n" : " "));
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rc = CMD_RET_SUCCESS;
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} else {
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printf("Error getting eFUSE object: %s: %d\n",
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efuse_obj_err_parse(rc), rc);
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rc = CMD_RET_FAILURE;
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}
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} else {
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printf("Error: too many arguments %d\n", argc);
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rc = CMD_RET_USAGE;
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}
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} else if (strcmp(argv[1], "set") == 0) {
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// $0 set field data
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if (argc == 4) {
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name = argv[2];
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char *data = argv[3];
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rc = efuse_obj_set_data(name, data);
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if (rc == EFUSE_OBJ_SUCCESS) {
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rc = CMD_RET_SUCCESS;
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} else {
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printf("Error setting eFUSE object: %s: %d\n",
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efuse_obj_err_parse(rc), rc);
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rc = CMD_RET_FAILURE;
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}
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} else {
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printf("Error: too few arguments %d\n", argc);
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rc = CMD_RET_USAGE;
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}
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#if (IS_ENABLED(CONFIG_AMPK))
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} else if (strcmp(argv[1], "set_enc") == 0) {
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// $0 set field data
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if (argc == 4) {
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name = argv[2];
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char *data = argv[3];
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rc = efuse_obj_set_enc_data(name, data);
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if (rc == EFUSE_OBJ_SUCCESS) {
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rc = CMD_RET_SUCCESS;
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} else {
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printf("Error setting eFUSE object: %s: %d\n",
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efuse_obj_err_parse(rc), rc);
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rc = CMD_RET_FAILURE;
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}
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} else {
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printf("Error: too few arguments %d\n", argc);
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rc = CMD_RET_USAGE;
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}
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#endif /* CONFIG_AMPK */
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} else if (strcmp(argv[1], "lock") == 0) {
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// $0 lock field
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if (argc == 3) {
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name = argv[2];
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rc = efuse_obj_lock(name);
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if (rc == EFUSE_OBJ_SUCCESS) {
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rc = CMD_RET_SUCCESS;
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} else {
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printf("Error setting eFUSE object: %s: %d\n",
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efuse_obj_err_parse(rc), rc);
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rc = CMD_RET_FAILURE;
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}
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} else {
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printf("Error: too many arguments %d\n", argc);
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rc = CMD_RET_USAGE;
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}
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} else if (strcmp(argv[1], "get_lock") == 0) {
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// $0 get_lock field
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if (argc == 3) {
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name = argv[2];
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rc = efuse_obj_get_lock(name);
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if (rc == EFUSE_OBJ_SUCCESS) {
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int i;
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for (i = 0; i < efuse_field.size; i++)
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printf("%02x%s", efuse_field.data[i],
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((i && i % 16 == 15) || (i == efuse_field.size - 1)
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? "\n" : " "));
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rc = CMD_RET_SUCCESS;
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} else {
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printf("Error getting eFUSE object: %s: %d\n",
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efuse_obj_err_parse(rc), rc);
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rc = CMD_RET_FAILURE;
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}
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} else {
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printf("Error: too many arguments %d\n", argc);
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rc = CMD_RET_USAGE;
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}
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} else {
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printf("Error: cmd %s not supported\n", argv[1]);
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rc = CMD_RET_USAGE;
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}
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return rc;
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}
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static char efuse_obj_help_text[] =
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"[set | get | lock | get_lock] <FIELD> {<field-value-hexdump-string>}\n"
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"\n"
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"get FIELD Get field value. FIELD is the field name\n"
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" expected_data is an optional expected data\n"
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"set FIELD DATA Set field to data. DATA is in continuous\n"
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" hexdump format, e.g. aabb1122\n"
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#if defined(CONFIG_AMPK)
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"set_enc FIELD ENC_DATA Set field to encrypted data. ENC_DATA is in continuous\n"
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" hexdump format, e.g. aabb1122\n"
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#endif /* CONFIG_AMPK */
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"lock FIELD Lock field. Program exits with status 0 if success\n"
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"get_lock FIELD Check if field is locked. Program exits with\n"
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" status 1 if locked, or 0 if unlocked\n"
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" expected_result is 00 or 01, an optional expected lock result\n"
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"\n";
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U_BOOT_CMD(efuse_obj, 4, 0, do_efuse_obj,
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"eFUSE object program commands", efuse_obj_help_text
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);
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#endif /* CONFIG_EFUSE_OBJ_API */
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#ifdef CONFIG_EFUSE_MRK_GET_CHECKNUM
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int do_efuse_mrk(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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uint32_t rc = CMD_RET_FAILURE;
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char name[16];
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uint32_t checknum = 0;
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if (argc != 2) {
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printf("Invalid number of arguments %d\n", argc);
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return CMD_RET_USAGE;
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}
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memset(name, 0, sizeof(name));
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strncpy(name, argv[1], sizeof(name) - 1);
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rc = efuse_mrk_get_checknum(name, 0, &checknum);
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if (!rc) {
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printf("%s: 0x%08x\n", argv[1], checknum);
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rc = CMD_RET_SUCCESS;
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} else if (rc == EFUSE_MRK_CHECKNUM_NOT_SUPPORTED) {
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printf("MRK field %s not supported\n", argv[1]);
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} else {
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printf("get mrk checknum for %s failed, MRK field may not be written\n", argv[1]);
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}
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return rc;
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}
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int do_efuse_mrk_long(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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uint32_t rc = CMD_RET_FAILURE;
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char name[16];
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uint32_t checknum[4];
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if (argc != 2) {
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printf("Invalid number of arguments %d\n", argc);
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return CMD_RET_USAGE;
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}
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memset(name, 0, sizeof(name));
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strncpy(name, argv[1], sizeof(name) - 1);
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rc = efuse_mrk_get_checknum(name, 1, &checknum[0]);
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if (!rc) {
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printf("%s: 0x%08x 0x%08x 0x%08x 0x%08x\n",
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argv[1], checknum[0], checknum[1], checknum[2], checknum[3]);
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rc = CMD_RET_SUCCESS;
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} else if (rc == EFUSE_MRK_CHECKNUM_NOT_SUPPORTED) {
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printf("MRK field %s not supported\n", argv[1]);
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} else {
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printf("get mrk checknum for %s failed, MRK field may not be written\n", argv[1]);
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}
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return rc;
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}
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static char efuse_mrk_help_text[] =
|
|
"<MRK>\n"
|
|
"efuse_mrk | efuse_mkr_long,\n"
|
|
"Supported MRK includes: DVGK, DVUK,\n"
|
|
"DGPK1, DGPK2,\n"
|
|
"ETSI_SCK_0, ETSI_SCK_1, ETSI_SCK_2,\n"
|
|
"SCPU_ETSI_SCK_0, SCPU_ETSI_SCK_1, SEGK\n";
|
|
|
|
U_BOOT_CMD(efuse_mrk, 2, 0, do_efuse_mrk,
|
|
"eFUSE mrk checknum", efuse_mrk_help_text
|
|
);
|
|
|
|
U_BOOT_CMD(efuse_mrk_long, 2, 0, do_efuse_mrk_long,
|
|
"eFUSE mrk long checknum", efuse_mrk_help_text
|
|
);
|
|
#endif /* CONFIG_EFUSE_MRK_GET_CHECKNUM */
|
|
|
|
#ifdef CONFIG_EFUSE_AUDIO_ID_CHECKNUM
|
|
int do_efuse_audio_id_check(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int rc, i;
|
|
char buff[512] = {0};
|
|
|
|
rc = efuse_audio_id_get_checknum(buff, sizeof(buff));
|
|
if (rc < 0) {
|
|
printf("get audio id checknum failed:%d\n", rc);
|
|
return rc;
|
|
}
|
|
for (i = 0; i < sizeof(buff); i++) {
|
|
printf("%02x", buff[i]);
|
|
}
|
|
printf("\n");
|
|
|
|
return rc;
|
|
}
|
|
|
|
static char efuse_audio_id_check_help_text[] =
|
|
"<efuse_audio_id_check>\n"
|
|
" printf checksum for efuse audio id, which can help to check if audio id is burned correctly\n";
|
|
|
|
U_BOOT_CMD(efuse_audio_id_check, 2, 0, do_efuse_audio_id_check,
|
|
"eFUSE audio id checknum", efuse_audio_id_check_help_text
|
|
);
|
|
#endif /* CONFIG_EFUSE_MRK_GET_CHECKNUM */
|
|
|