/* * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include "sdkconfig.h" #include #include "soc/soc_caps.h" #include "hal/assert.h" #include "hal/efuse_hal.h" #include "hal/efuse_ll.h" #include "esp_attr.h" 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) { uint32_t tsup_a; uint32_t tpgm; uint32_t thp_a; uint32_t tpgm_inact; uint32_t clk_div; uint32_t power_on; uint32_t power_off; uint32_t tsur_a; uint32_t trd; uint32_t thr_a; if (apb_freq_hz == 80000000) { tsup_a = 0x2; tpgm = 0x320; thp_a = 0x2; tpgm_inact = 0x4; clk_div = 0xA0; power_on = 0xA200; power_off = 0x100; tsur_a = 0x2; trd = 0x4; thr_a = 0x2; } else if (apb_freq_hz == 40000000) { tsup_a = 0x1; tpgm = 0x190; thp_a = 0x1; tpgm_inact = 0x2; clk_div = 0x50; power_on = 0x5100; power_off = 0x80; tsur_a = 0x1; trd = 0x2; thr_a = 0x1; } else { // 20000000 or 5000000 or 10000000 tsup_a = 0x1; tpgm = 0xC8; thp_a = 0x1; tpgm_inact = 0x1; clk_div = 0x28; power_on = 0x2880; power_off = 0x40; tsur_a = 0x1; trd = 0x1; thr_a = 0x1; } REG_SET_FIELD(EFUSE_WR_TIM_CONF1_REG, EFUSE_TSUP_A, tsup_a); REG_SET_FIELD(EFUSE_WR_TIM_CONF0_REG, EFUSE_TPGM, tpgm); REG_SET_FIELD(EFUSE_WR_TIM_CONF0_REG, EFUSE_THP_A, thp_a); REG_SET_FIELD(EFUSE_WR_TIM_CONF0_REG, EFUSE_TPGM_INACTIVE, tpgm_inact); REG_SET_FIELD(EFUSE_DAC_CONF_REG, EFUSE_DAC_CLK_DIV, clk_div); REG_SET_FIELD(EFUSE_WR_TIM_CONF1_REG, EFUSE_PWR_ON_NUM, power_on); REG_SET_FIELD(EFUSE_WR_TIM_CONF2_REG, EFUSE_PWR_OFF_NUM, power_off); REG_SET_FIELD(EFUSE_RD_TIM_CONF_REG, EFUSE_TSUR_A, tsur_a); REG_SET_FIELD(EFUSE_RD_TIM_CONF_REG, EFUSE_TRD, trd); REG_SET_FIELD(EFUSE_RD_TIM_CONF_REG, EFUSE_THR_A, thr_a); }