mirror of
https://github.com/espressif/esp-idf.git
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60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
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/*
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* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "sdkconfig.h"
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#include <sys/param.h>
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#include "soc/soc_caps.h"
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#include "hal/efuse_ll.h"
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#include "hal/assert.h"
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#include "hal/efuse_hal.h"
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#include "soc/syscon_reg.h"
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uint32_t efuse_hal_get_major_chip_version(void)
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{
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uint8_t eco_bit0 = efuse_ll_get_chip_ver_rev1();
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uint8_t eco_bit1 = efuse_ll_get_chip_ver_rev2();
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uint8_t eco_bit2 = (REG_READ(SYSCON_DATE_REG) & 0x80000000) >> 31;
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uint32_t combine_value = (eco_bit2 << 2) | (eco_bit1 << 1) | eco_bit0;
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uint32_t chip_ver = 0;
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switch (combine_value) {
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case 0:
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chip_ver = 0;
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break;
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case 1:
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chip_ver = 1;
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break;
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case 3:
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chip_ver = 2;
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break;
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#if CONFIG_IDF_ENV_FPGA
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case 4: /* Empty efuses, but SYSCON_DATE_REG bit is set */
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chip_ver = 3;
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break;
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#endif // CONFIG_IDF_ENV_FPGA
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case 7:
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chip_ver = 3;
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break;
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default:
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chip_ver = 0;
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break;
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}
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return chip_ver;
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}
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uint32_t efuse_hal_get_minor_chip_version(void)
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{
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return efuse_ll_get_chip_wafer_version_minor();
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}
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uint32_t efuse_hal_get_rated_freq_mhz(void)
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{
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//Check if ESP32 is rated for a CPU frequency of 160MHz only
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if (efuse_ll_get_chip_cpu_freq_rated() && efuse_ll_get_chip_cpu_freq_low()) {
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return 160;
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}
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return 240;
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}
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