From de89c97bb6bdb2ccc493cdfbe7c6214a8bb81e1a Mon Sep 17 00:00:00 2001
From: Daniel Harris <daniel.harris@hidglobal.com>
Date: Thu, 18 Sep 2025 16:07:19 +0100
Subject: [PATCH 1/2] Add board ESP32-S3-ETH

---
 boards/waveshare_esp32s3_eth.json | 51 +++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 boards/waveshare_esp32s3_eth.json

diff --git a/boards/waveshare_esp32s3_eth.json b/boards/waveshare_esp32s3_eth.json
new file mode 100644
index 000000000..ec36267ca
--- /dev/null
+++ b/boards/waveshare_esp32s3_eth.json
@@ -0,0 +1,51 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "memory_type": "qio_opi",
+      "partitions": "huge_app.csv"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DARDUINO_ESP32_S3R8N16",
+      "-DBOARD_HAS_PSRAM",
+      "-DARDUINO_USB_MODE=1",
+      "-DARDUINO_USB_CDC_ON_BOOT=1",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [
+      [
+        "0x303A",
+        "0x1001"
+      ]
+    ],
+    "mcu": "esp32s3",
+    "variant": "esp32_s3r8n16"
+  },
+  "connectivity": [
+    "bluetooth",
+    "wifi",
+    "ethernet"
+  ],
+  "debug": {
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "4D Systems GEN4-ESP32 16MB (ESP32S3-R8N16)",
+  "upload": {
+    "flash_size": "16MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 16777216,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://4dsystems.com.au/products",
+  "vendor": "4D Systems"
+}

From 447945d7a7a7eea25d1f4536a9c3aefed186ea28 Mon Sep 17 00:00:00 2001
From: Daniel Harris <daniel.harris@hidglobal.com>
Date: Fri, 19 Sep 2025 09:11:48 +0100
Subject: [PATCH 2/2] Update Waveshare ESP32S3 ETH board config

Changed extra_flags, variant, name, URL, and vendor fields to match the Waveshare ESP32S3 ETH board
---
 boards/waveshare_esp32s3_eth.json | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/boards/waveshare_esp32s3_eth.json b/boards/waveshare_esp32s3_eth.json
index ec36267ca..d8b27f54a 100644
--- a/boards/waveshare_esp32s3_eth.json
+++ b/boards/waveshare_esp32s3_eth.json
@@ -7,7 +7,7 @@
     },
     "core": "esp32",
     "extra_flags": [
-      "-DARDUINO_ESP32_S3R8N16",
+      "-DARDUINO_ESP32S3_DEV",
       "-DBOARD_HAS_PSRAM",
       "-DARDUINO_USB_MODE=1",
       "-DARDUINO_USB_CDC_ON_BOOT=1",
@@ -24,7 +24,7 @@
       ]
     ],
     "mcu": "esp32s3",
-    "variant": "esp32_s3r8n16"
+    "variant": "esp32s3eth"
   },
   "connectivity": [
     "bluetooth",
@@ -38,7 +38,7 @@
     "arduino",
     "espidf"
   ],
-  "name": "4D Systems GEN4-ESP32 16MB (ESP32S3-R8N16)",
+  "name": "Waveshare ESP32S3 ETH",
   "upload": {
     "flash_size": "16MB",
     "maximum_ram_size": 327680,
@@ -46,6 +46,6 @@
     "require_upload_port": true,
     "speed": 460800
   },
-  "url": "https://4dsystems.com.au/products",
-  "vendor": "4D Systems"
+  "url": "https://www.waveshare.com/wiki/ESP32-S3-ETH",
+  "vendor": "Waveshare"
 }