1 /* 2 * Copyright (c) 2016-2019, STMicroelectronics - All Rights Reserved 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <platform_def.h> 8 9 #include <common/debug.h> 10 #include <drivers/st/bsec.h> 11 12 #include <stm32mp1_smc.h> 13 14 #include "bsec_svc.h" 15 16 uint32_t bsec_main(uint32_t x1, uint32_t x2, uint32_t x3, 17 uint32_t *ret_otp_value) 18 { 19 uint32_t result; 20 uint32_t tmp_data = 0U; 21 22 switch (x1) { 23 case STM32_SMC_READ_SHADOW: 24 result = bsec_read_otp(ret_otp_value, x2); 25 break; 26 case STM32_SMC_PROG_OTP: 27 *ret_otp_value = 0U; 28 result = bsec_program_otp(x3, x2); 29 break; 30 case STM32_SMC_WRITE_SHADOW: 31 *ret_otp_value = 0; 32 result = bsec_write_otp(x3, x2); 33 break; 34 case STM32_SMC_READ_OTP: 35 *ret_otp_value = 0; 36 result = bsec_read_otp(&tmp_data, x2); 37 if (result != BSEC_OK) { 38 break; 39 } 40 41 result = bsec_shadow_register(x2); 42 if (result != BSEC_OK) { 43 break; 44 } 45 46 result = bsec_read_otp(ret_otp_value, x2); 47 if (result != BSEC_OK) { 48 break; 49 } 50 51 result = bsec_write_otp(tmp_data, x2); 52 break; 53 54 default: 55 result = BSEC_ERROR; 56 break; 57 } 58 59 return result; 60 } 61