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https://github.com/ARM-software/arm-trusted-firmware.git
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c706104507
In order to ease the introduction of a new BSEC3 driver for STM32MP25, the BSEC2 driver is reworked. Unused functions are removed. The bsec_base global variable is removed in favor of the macro BSEC_BASE. A rework is also done around function checking the state of BSEC. Change-Id: I1ad76cb67333ab9a8fa1d65db34d74a712bf1190 Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Signed-off-by: Yann Gautier <yann.gautier@st.com>
55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
/*
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* Copyright (c) 2016-2024, STMicroelectronics - All Rights Reserved
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <common/debug.h>
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#include <drivers/st/bsec.h>
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#include <drivers/st/bsec2_reg.h>
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#include <platform_def.h>
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#include <stm32mp1_smc.h>
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#include "bsec_svc.h"
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uint32_t bsec_main(uint32_t x1, uint32_t x2, uint32_t x3,
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uint32_t *ret_otp_value)
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{
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uint32_t result;
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uint32_t tmp_data = 0U;
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switch (x1) {
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case STM32_SMC_READ_SHADOW:
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result = bsec_read_otp(ret_otp_value, x2);
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break;
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case STM32_SMC_PROG_OTP:
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*ret_otp_value = 0U;
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result = bsec_program_otp(x3, x2);
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break;
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case STM32_SMC_WRITE_SHADOW:
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*ret_otp_value = 0U;
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result = bsec_write_otp(x3, x2);
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break;
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case STM32_SMC_READ_OTP:
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*ret_otp_value = 0U;
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result = bsec_read_otp(&tmp_data, x2);
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if (result != BSEC_OK) {
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break;
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}
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result = bsec_shadow_read_otp(ret_otp_value, x2);
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if (result != BSEC_OK) {
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break;
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}
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result = bsec_write_otp(tmp_data, x2);
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break;
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default:
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return STM32_SMC_INVALID_PARAMS;
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}
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return (result == BSEC_OK) ? STM32_SMC_OK : STM32_SMC_FAILED;
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}
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