1 /* 2 * Copyright (c) 2016-2024, STMicroelectronics - All Rights Reserved 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 8 #include <common/debug.h> 9 #include <drivers/st/bsec.h> 10 #include <drivers/st/bsec2_reg.h> 11 12 #include <platform_def.h> 13 #include <stm32mp1_smc.h> 14 #include <stm32mp_svc_setup.h> 15 16 #include "bsec_svc.h" 17 18 uint32_t bsec_main(uint32_t x1, uint32_t x2, uint32_t x3, 19 uint32_t *ret_otp_value) 20 { 21 uint32_t result; 22 uint32_t tmp_data = 0U; 23 24 switch (x1) { 25 case STM32_SMC_READ_SHADOW: 26 result = bsec_read_otp(ret_otp_value, x2); 27 break; 28 case STM32_SMC_PROG_OTP: 29 *ret_otp_value = 0U; 30 result = bsec_program_otp(x3, x2); 31 break; 32 case STM32_SMC_WRITE_SHADOW: 33 *ret_otp_value = 0U; 34 result = bsec_write_otp(x3, x2); 35 break; 36 case STM32_SMC_READ_OTP: 37 *ret_otp_value = 0U; 38 result = bsec_read_otp(&tmp_data, x2); 39 if (result != BSEC_OK) { 40 break; 41 } 42 43 result = bsec_shadow_read_otp(ret_otp_value, x2); 44 if (result != BSEC_OK) { 45 break; 46 } 47 48 result = bsec_write_otp(tmp_data, x2); 49 break; 50 51 default: 52 return STM32_SMC_INVALID_PARAMS; 53 } 54 55 return (result == BSEC_OK) ? STM32_SMC_OK : STM32_SMC_FAILED; 56 } 57