1 /*
2 * Copyright (c) 2016-2021, 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
bsec_main(uint32_t x1,uint32_t x2,uint32_t x3,uint32_t * ret_otp_value)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 = 0U;
32 result = bsec_write_otp(x3, x2);
33 break;
34 case STM32_SMC_READ_OTP:
35 *ret_otp_value = 0U;
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 return STM32_SMC_INVALID_PARAMS;
56 }
57
58 return (result == BSEC_OK) ? STM32_SMC_OK : STM32_SMC_FAILED;
59 }
60