esp-idf/components/hal/esp32c5/efuse_hal.c

/*
 * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <sys/param.h>
#include "sdkconfig.h"
#include "soc/soc_caps.h"
#include "hal/assert.h"
#include "hal/efuse_hal.h"
#include "hal/efuse_ll.h"
#include "esp_attr.h"

#define ESP_EFUSE_BLOCK_ERROR_BITS(error_reg, block) ((error_reg) & (0x08 << (4 * (block))))
#define ESP_EFUSE_BLOCK_ERROR_NUM_BITS(error_reg, block) ((error_reg) & (0x07 << (4 * (block))))

IRAM_ATTR uint32_t efuse_hal_get_major_chip_version(void)
{
#ifdef CONFIG_ESP_REV_NEW_CHIP_TEST
    return CONFIG_ESP_REV_MIN_FULL / 100;
#else
    return efuse_ll_get_chip_wafer_version_major();
#endif
}

IRAM_ATTR uint32_t efuse_hal_get_minor_chip_version(void)
{
#ifdef CONFIG_ESP_REV_NEW_CHIP_TEST
    return CONFIG_ESP_REV_MIN_FULL % 100;
#else
    return efuse_ll_get_chip_wafer_version_minor();
#endif
}

/******************* eFuse control functions *************************/

void efuse_hal_set_timing(uint32_t apb_freq_hz)
{
    (void) apb_freq_hz;
    // TODO: [ESP32C5] IDF-8674
    abort();
    // efuse_ll_set_dac_num(0xFF);
    // efuse_ll_set_dac_clk_div(0x28);
    // efuse_ll_set_pwr_on_num(0x3000);
    // efuse_ll_set_pwr_off_num(0x190);
}

void efuse_hal_read(void)
{
    // TODO: [ESP32C5] IDF-8674
    abort();
    // 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)
{
    // TODO: [ESP32C5] IDF-8674
    abort();
    // ets_efuse_clear_program_registers();
}

void efuse_hal_program(uint32_t block)
{
    // TODO: [ESP32C5] IDF-8674
    abort();
    // 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)
{
    // TODO: [ESP32C5] IDF-8674
    abort();
    // ets_efuse_rs_calculate(data, rs_values);
}

/******************* eFuse control functions *************************/

bool efuse_hal_is_coding_error_in_block(unsigned block)
{
    // TODO: [ESP32C5] IDF-8674
    abort();
    // 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;
}