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29 lines
1.2 KiB
C
29 lines
1.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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// This file initialises the memory register addresses for the ECDSA accelerator
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// This software initialization is required due to incompatibility between the old and new ECDSA versions
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// for the ESP32-H2 ECDSA accelerator
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#include <stddef.h>
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#include "soc/ecdsa_reg.h"
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// Initializing the memory address with the base address of the old ECDSA version
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uint32_t ECDSA_R_MEM = (DR_REG_ECDSA_BASE + 0xA00);
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uint32_t ECDSA_S_MEM = (DR_REG_ECDSA_BASE + 0xA20);
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uint32_t ECDSA_Z_MEM = (DR_REG_ECDSA_BASE + 0xA40);
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uint32_t ECDSA_QAX_MEM = (DR_REG_ECDSA_BASE + 0xA60);
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uint32_t ECDSA_QAY_MEM = (DR_REG_ECDSA_BASE + 0xA80);
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void ecdsa_compatible_mem_reg_addr_init(void)
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{
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// set the memory registers based on the DATE register value
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ECDSA_R_MEM = (DR_REG_ECDSA_BASE + ECDSA_REG_GET_OFFSET(0xA00, 0x340));
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ECDSA_S_MEM = (DR_REG_ECDSA_BASE + ECDSA_REG_GET_OFFSET(0xA20, 0x360));
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ECDSA_Z_MEM = (DR_REG_ECDSA_BASE + ECDSA_REG_GET_OFFSET(0xA40, 0x380));
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ECDSA_QAX_MEM = (DR_REG_ECDSA_BASE + ECDSA_REG_GET_OFFSET(0xA60, 0x3A0));
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ECDSA_QAY_MEM = (DR_REG_ECDSA_BASE + ECDSA_REG_GET_OFFSET(0xA80, 0x3C0));
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}
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