added upload uboot

web/app.js

@@ -15,6 +15,7 @@ document.addEventListener("DOMContentLoaded", function () {
   const mountStatus = document.getElementById("mount-status");
   const extlinuxEditor = document.getElementById("extlinux-editor");
   const editorStatus = document.getElementById("editor-status");
+  const uploadHint = document.getElementById("upload-hint");
 
   // Tab buttons
   const tabBtns = document.querySelectorAll(".tab-btn");
@@ -32,6 +33,13 @@ document.addEventListener("DOMContentLoaded", function () {
       this.classList.add("active");
       uploadType.value = this.dataset.type;
       hideResult();
+
+      // Show/hide U-Boot warning
+      if (this.dataset.type === "uboot_bin") {
+        uploadHint.classList.add("visible");
+      } else {
+        uploadHint.classList.remove("visible");
+      }
     });
   });
 

web/index.html

@@ -56,6 +56,9 @@
                     <button class="tab-btn" data-type="uboot">
                         U-Boot Environment
                     </button>
+                    <button class="tab-btn" data-type="uboot_bin">
+                        U-Boot Binary (SPL)
+                    </button>
                 </div>
 
                 <div class="upload-area">
@@ -81,6 +84,11 @@
                                 <span class="file-name" id="file-name"></span>
                             </label>
                         </div>
+                        <div class="upload-hint" id="upload-hint">
+                            ⚠️ U-Boot Binary will be written to SPI NOR
+                            (/dev/mtd0) and SD card at 8KB offset (/dev/mmcblk1
+                            +8KB)
+                        </div>
                         <button type="submit" class="upload-btn">Upload</button>
                     </form>
 

web/style.css

@@ -146,6 +146,21 @@ h2 {
     text-align: center;
 }
 
+.upload-hint {
+    margin: 15px 0;
+    padding: 12px;
+    background: rgba(255, 165, 0, 0.15);
+    border: 1px solid rgba(255, 165, 0, 0.5);
+    border-radius: 8px;
+    color: #ffa500;
+    font-size: 0.9rem;
+    display: none;
+}
+
+.upload-hint.visible {
+    display: block;
+}
+
 .file-input-wrapper {
     margin-bottom: 20px;
 }