esp_hw_support(esp32): If the MAC_FACTORY CRC check fails, then esp_e…

…fuse_mac_get_default returns INVALID_CRC instead of abort Closes #10401
espressif · Jan 23, 2023 · 7a23bf1 · 7a23bf1
1 parent c41bb46
commit 7a23bf1
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Showing 3 changed files with 21 additions and 4 deletions.
diff --git a/components/esp_hw_support/Kconfig b/components/esp_hw_support/Kconfig
@@ -22,6 +22,15 @@ menu "Hardware Settings"
 
             # Insert chip-specific MAC config
         rsource "./port/$IDF_TARGET/Kconfig.mac"
+
+        config ESP_MAC_IGNORE_MAC_CRC_ERROR
+            bool "Ignore MAC CRC error (not recommended)"
+            depends on IDF_TARGET_ESP32
+            default n
+            help
+                If you have an invalid MAC CRC (ESP_ERR_INVALID_CRC) problem
+                and you still want to use this chip, you can enable this option to bypass such an error.
+                This applies to both MAC_FACTORY and CUSTOM_MAC efuses.
     endmenu
 
     menu "Sleep Config"

diff --git a/components/esp_hw_support/mac_addr.c b/components/esp_hw_support/mac_addr.c
@@ -98,7 +98,11 @@ esp_err_t esp_efuse_mac_get_custom(uint8_t *mac)
 
     if (efuse_crc != calc_crc) {
         ESP_LOGE(TAG, "Base MAC address from BLK3 of EFUSE CRC error, efuse_crc = 0x%02x; calc_crc = 0x%02x", efuse_crc, calc_crc);
+#ifdef CONFIG_ESP_MAC_IGNORE_MAC_CRC_ERROR
+        ESP_LOGW(TAG, "Ignore MAC CRC error");
+#else
         return ESP_ERR_INVALID_CRC;
+#endif
     }
     return ESP_OK;
 #endif
@@ -134,7 +138,11 @@ esp_err_t esp_efuse_mac_get_default(uint8_t *mac)
             return ESP_OK;
         } else {
             ESP_LOGE(TAG, "Base MAC address from BLK0 of EFUSE CRC error, efuse_crc = 0x%02x; calc_crc = 0x%02x", efuse_crc, calc_crc);
-            abort();
+#ifdef CONFIG_ESP_MAC_IGNORE_MAC_CRC_ERROR
+            ESP_LOGW(TAG, "Ignore MAC CRC error");
+#else
+            return ESP_ERR_INVALID_CRC;
+#endif
         }
     }
 #endif // CONFIG_IDF_TARGET_ESP32

diff --git a/components/esp_phy/src/phy_init.c b/components/esp_phy/src/phy_init.c
@@ -603,7 +603,7 @@ static esp_err_t load_cal_data_from_nvs_handle(nvs_handle_t handle,
         return ESP_ERR_INVALID_SIZE;
     }
     uint8_t sta_mac[6];
-    esp_efuse_mac_get_default(sta_mac);
+    ESP_ERROR_CHECK(esp_efuse_mac_get_default(sta_mac));
     if (memcmp(sta_mac, cal_data_mac, sizeof(sta_mac)) != 0) {
         ESP_LOGE(TAG, "%s: calibration data MAC check failed: expected " \
                 MACSTR ", found " MACSTR,
@@ -635,7 +635,7 @@ static esp_err_t store_cal_data_to_nvs_handle(nvs_handle_t handle,
     }
 
     uint8_t sta_mac[6];
-    esp_efuse_mac_get_default(sta_mac);
+    ESP_ERROR_CHECK(esp_efuse_mac_get_default(sta_mac));
     err = nvs_set_blob(handle, PHY_CAL_MAC_KEY, sta_mac, sizeof(sta_mac));
     if (err != ESP_OK) {
         ESP_LOGE(TAG, "%s: store calibration mac failed(0x%x)\n", __func__, err);
@@ -726,7 +726,7 @@ void esp_phy_load_cal_and_init(void)
         calibration_mode = PHY_RF_CAL_FULL;
     }
 
-    esp_efuse_mac_get_default(sta_mac);
+    ESP_ERROR_CHECK(esp_efuse_mac_get_default(sta_mac));
     memcpy(cal_data->mac, sta_mac, 6);
     esp_err_t ret = register_chipv7_phy(init_data, cal_data, calibration_mode);
     if (ret == ESP_CAL_DATA_CHECK_FAIL) {