/* * 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" uint32_t efuse_hal_get_chip_revision(void) { return efuse_ll_get_chip_revision(); } /******************* eFuse control functions *************************/ void efuse_hal_set_timing(uint32_t apb_freq_hz) { (void) apb_freq_hz; efuse_ll_set_pwr_off_num(0x190); } void efuse_hal_read(void) { efuse_hal_set_timing(0); efuse_ll_set_conf_read_op_code(); efuse_ll_set_read_cmd(); while (efuse_ll_get_read_cmd() != 0) { } /*Due to a hardware error, we have to read READ_CMD again to make sure the efuse clock is normal*/ while (efuse_ll_get_read_cmd() != 0) { } } void efuse_hal_clear_program_registers(void) { ets_efuse_clear_program_registers(); } void efuse_hal_program(uint32_t block) { efuse_hal_set_timing(0); efuse_ll_set_conf_write_op_code(); efuse_ll_set_pgm_cmd(block); while (efuse_ll_get_pgm_cmd() != 0) { } efuse_hal_clear_program_registers(); efuse_hal_read(); } void efuse_hal_rs_calculate(const void *data, void *rs_values) { ets_efuse_rs_calculate(data, rs_values); } /******************* eFuse control functions *************************/