1 // Copyright 2020 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include <stdint.h>
16 #include "soc/efuse_reg.h"
17 
bootloader_common_get_chip_revision(void)18 uint8_t bootloader_common_get_chip_revision(void)
19 {
20     // should return the same value as esp_efuse_get_chip_ver()
21     return REG_GET_FIELD(EFUSE_RD_MAC_SPI_SYS_3_REG, EFUSE_WAFER_VERSION);
22 }
23 
bootloader_common_get_chip_ver_pkg(void)24 uint32_t bootloader_common_get_chip_ver_pkg(void)
25 {
26     // should return the same value as esp_efuse_get_pkg_ver()
27     return REG_GET_FIELD(EFUSE_RD_MAC_SPI_SYS_3_REG, EFUSE_PKG_VERSION);
28 }
29