/* * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include "sdkconfig.h" #include <sys/param.h> #include "soc/soc_caps.h" #include "hal/assert.h" #include "hal/efuse_hal.h" #include "hal/efuse_ll.h" #include "esp32s2/rom/efuse.h" #include "esp_attr.h" #define ESP_EFUSE_BLOCK_ERROR_BITS(error_reg, block) ((error_reg) & (0x0F << (4 * (block)))) IRAM_ATTR uint32_t efuse_hal_get_major_chip_version(void) { return efuse_ll_get_chip_wafer_version_major(); } IRAM_ATTR uint32_t efuse_hal_get_minor_chip_version(void) { return efuse_ll_get_chip_wafer_version_minor(); } /******************* eFuse control functions *************************/ void efuse_hal_set_timing(uint32_t apb_freq_hz) { ets_efuse_set_timing(apb_freq_hz); } void efuse_hal_read(void) { ets_efuse_read(); } void efuse_hal_clear_program_registers(void) { ets_efuse_clear_program_registers(); } void efuse_hal_program(uint32_t block) { ets_efuse_program(block); } void efuse_hal_rs_calculate(const void *data, void *rs_values) { ets_efuse_rs_calculate(data, rs_values); } /******************* eFuse control functions *************************/ bool efuse_hal_is_coding_error_in_block(unsigned block) { if (block == 0) { for (unsigned i = 0; i < 5; i++) { if (REG_READ(EFUSE_RD_REPEAT_ERR0_REG + i * 4)) { return true; } } } else if (block <= 10) { // EFUSE_RD_RS_ERR0_REG: (hi) BLOCK8, BLOCK7, BLOCK6, BLOCK5, BLOCK4, BLOCK3, BLOCK2, BLOCK1 (low) // EFUSE_RD_RS_ERR1_REG: BLOCK10, BLOCK9 block--; uint32_t error_reg = REG_READ(EFUSE_RD_RS_ERR0_REG + (block / 8) * 4); return ESP_EFUSE_BLOCK_ERROR_BITS(error_reg, block % 8) != 0; } return false; }