/* * 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" #define ESP_EFUSE_BLOCK_ERROR_BITS(error_reg, block) ((error_reg) & (0x0F << (4 * (block)))) //The wafer_major and MSB of wafer_minor fields was allocated to other purposes when block version is v1.1. //Luckily only chip v0.0 have this kind of block version and efuse usage. //This workaround fixes the issue. static inline bool is_eco0(uint32_t minor_raw) { return ((minor_raw & 0x7) == 0 && efuse_ll_get_blk_version_major() == 1 && efuse_ll_get_blk_version_minor() == 1); } IRAM_ATTR uint32_t efuse_hal_get_major_chip_version(void) { uint32_t minor_raw = efuse_ll_get_chip_wafer_version_minor(); if (is_eco0(minor_raw)) { return 0; } return efuse_ll_get_chip_wafer_version_major(); } IRAM_ATTR uint32_t efuse_hal_get_minor_chip_version(void) { uint32_t minor_raw = efuse_ll_get_chip_wafer_version_minor(); if (is_eco0(minor_raw)) { return 0; } return minor_raw; } /******************* eFuse control functions *************************/ void efuse_hal_set_timing(uint32_t apb_freq_hz) { (void) apb_freq_hz; 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); }