1 /*
2  * SPDX-FileCopyrightText: 2013-2022 Espressif Systems (Shanghai) CO LTD
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #include <string.h>
8 #include "esp_chip_info.h"
9 #include "soc/soc.h"
10 #include "soc/chip_revision.h"
11 #include "soc/efuse_reg.h"
12 #include "hal/efuse_ll.h"
13 #include "hal/efuse_hal.h"
14 
esp_chip_info(esp_chip_info_t * out_info)15 void esp_chip_info(esp_chip_info_t* out_info)
16 {
17     memset(out_info, 0, sizeof(*out_info));
18 
19     out_info->model = CHIP_ESP32;
20     out_info->revision = efuse_hal_chip_revision();
21 
22     if (efuse_ll_get_disable_app_cpu() == 0) {
23         out_info->cores = 2;
24     } else {
25         out_info->cores = 1;
26     }
27     out_info->features = CHIP_FEATURE_WIFI_BGN;
28     if (efuse_ll_get_disable_bt() == 0) {
29         out_info->features |= CHIP_FEATURE_BT | CHIP_FEATURE_BLE;
30     }
31     uint32_t package = efuse_ll_get_chip_ver_pkg();
32     if (package == EFUSE_RD_CHIP_VER_PKG_ESP32D2WDQ5 ||
33         package == EFUSE_RD_CHIP_VER_PKG_ESP32PICOD2 ||
34         package == EFUSE_RD_CHIP_VER_PKG_ESP32PICOD4 ||
35         package == EFUSE_RD_CHIP_VER_PKG_ESP32PICOV302) {
36         out_info->features |= CHIP_FEATURE_EMB_FLASH;
37     }
38     if(package == EFUSE_RD_CHIP_VER_PKG_ESP32D0WDR2V3 ||
39        package == EFUSE_RD_CHIP_VER_PKG_ESP32PICOV302) {
40         out_info->features |= CHIP_FEATURE_EMB_PSRAM;
41     }
42 }
43 
44 #if CONFIG_ESP32_ECO3_CACHE_LOCK_FIX
soc_has_cache_lock_bug(void)45 inline bool soc_has_cache_lock_bug(void)
46 {
47     unsigned rev = efuse_hal_chip_revision();
48     return ESP_CHIP_REV_ABOVE(rev, 300);
49 }
50 #endif
51