/* * Copyright (C) 2015-2016 Freescale Semiconductor, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include "bcb.h" #ifndef CONFIG_FASTBOOT_STORAGE_NAND static char command[32]; static int read_command(char *command) { int ret = 0; char *p_block = NULL; uint offset_in_block = 0; uint blk_size = 0; if (command == NULL) return -1; ret = rw_block(true, &p_block, &blk_size, NULL, MISC_COMMAND, 32); if (ret) { printf("read_bootctl, rw_block read failed\n"); return -1; } offset_in_block = MISC_COMMAND%blk_size; memcpy(command, p_block + offset_in_block, 32); return 0; } static int write_command(char *bcb_command) { int ret = 0; char *p_block = NULL; uint offset_in_block = 0; uint blk_size = 0; if (bcb_command == NULL) return -1; ret = rw_block(true, &p_block, &blk_size, NULL, MISC_COMMAND, 32); if (ret) { printf("write_bootctl, rw_block read failed\n"); return -1; } offset_in_block = MISC_COMMAND%blk_size; memcpy(p_block + offset_in_block, bcb_command, 32); ret = rw_block(false, NULL, NULL, p_block, MISC_COMMAND, 32); if (ret) { free(p_block); printf("write_bootctl, rw_block write failed\n"); return -1; } free(p_block); return 0; } int recovery_check_and_clean_command(void) { int ret; ret = read_command(command); if (ret < 0) { printf("read command failed\n"); return 0; } if (!strcmp(command, "boot-recovery")) { memset(command, 0, 32); write_command(command); return 1; } return 0; } int fastboot_check_and_clean_command(void) { int ret; ret = read_command(command); if (ret < 0) { printf("read command failed\n"); return 0; } if (!strcmp(command, "boot-bootloader")) { memset(command, 0, 32); write_command(command); return 1; } return 0; } #else int recovery_check_and_clean_command(void) { return 0; } int fastboot_check_and_clean_command(void) { return 0; } #endif