mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-08-17 18:07:01 +02:00
c7ba52da72
This service, called with SMC from Non secure world, allows access to some configurations saved in OTP fuses. Change-Id: I92ba5614b2cb4a03260119e2cf74f2cd626a3431 Signed-off-by: Yann Gautier <yann.gautier@st.com> Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Lionel Debieve <lionel.debieve@st.com> Signed-off-by: Mathieu Belou <mathieu.belou@st.com> Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
/*
|
|
* Copyright (c) 2016-2019, STMicroelectronics - All Rights Reserved
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <platform_def.h>
|
|
|
|
#include <common/debug.h>
|
|
#include <drivers/st/bsec.h>
|
|
|
|
#include <stm32mp1_smc.h>
|
|
|
|
#include "bsec_svc.h"
|
|
|
|
uint32_t bsec_main(uint32_t x1, uint32_t x2, uint32_t x3,
|
|
uint32_t *ret_otp_value)
|
|
{
|
|
uint32_t result;
|
|
uint32_t tmp_data = 0U;
|
|
|
|
switch (x1) {
|
|
case STM32_SMC_READ_SHADOW:
|
|
result = bsec_read_otp(ret_otp_value, x2);
|
|
break;
|
|
case STM32_SMC_PROG_OTP:
|
|
*ret_otp_value = 0U;
|
|
result = bsec_program_otp(x3, x2);
|
|
break;
|
|
case STM32_SMC_WRITE_SHADOW:
|
|
*ret_otp_value = 0;
|
|
result = bsec_write_otp(x3, x2);
|
|
break;
|
|
case STM32_SMC_READ_OTP:
|
|
*ret_otp_value = 0;
|
|
result = bsec_read_otp(&tmp_data, x2);
|
|
if (result != BSEC_OK) {
|
|
break;
|
|
}
|
|
|
|
result = bsec_shadow_register(x2);
|
|
if (result != BSEC_OK) {
|
|
break;
|
|
}
|
|
|
|
result = bsec_read_otp(ret_otp_value, x2);
|
|
if (result != BSEC_OK) {
|
|
break;
|
|
}
|
|
|
|
result = bsec_write_otp(tmp_data, x2);
|
|
break;
|
|
|
|
default:
|
|
result = BSEC_ERROR;
|
|
break;
|
|
}
|
|
|
|
return result;
|
|
}
|