/* * 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/efuse_ll.h" #include "hal/efuse_hal.h" #include "soc/syscon_reg.h" uint32_t efuse_hal_get_major_chip_version(void) { uint8_t eco_bit0 = efuse_ll_get_chip_ver_rev1(); uint8_t eco_bit1 = efuse_ll_get_chip_ver_rev2(); uint8_t eco_bit2 = (REG_READ(SYSCON_DATE_REG) & 0x80000000) >> 31; uint32_t combine_value = (eco_bit2 << 2) | (eco_bit1 << 1) | eco_bit0; uint32_t chip_ver = 0; switch (combine_value) { case 0: chip_ver = 0; break; case 1: chip_ver = 1; break; case 3: chip_ver = 2; break; #if CONFIG_IDF_ENV_FPGA case 4: /* Empty efuses, but SYSCON_DATE_REG bit is set */ chip_ver = 3; break; #endif // CONFIG_IDF_ENV_FPGA case 7: chip_ver = 3; break; default: chip_ver = 0; break; } return chip_ver; } uint32_t efuse_hal_get_minor_chip_version(void) { return efuse_ll_get_chip_wafer_version_minor(); } uint32_t efuse_hal_get_rated_freq_mhz(void) { //Check if ESP32 is rated for a CPU frequency of 160MHz only if (efuse_ll_get_chip_cpu_freq_rated() && efuse_ll_get_chip_cpu_freq_low()) { return 160; } return 240; }