From b106df2447d23d6b3fcffa7cc87edde218d054f3 Mon Sep 17 00:00:00 2001
From: Nathan Lee <me@nwlee.tech>
Date: Wed, 17 Jun 2026 13:05:15 -0500
Subject: create wdt device discovery

discuss: per wrv32em status, consider moving custom wdt format to dtb or
pci device discovery (potentially both: we have the framework for pci.ko
extension after using dtb to discover memory and pci devices)
---
 include/wdt.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 include/wdt.h

(limited to 'include/wdt.h')

diff --git a/include/wdt.h b/include/wdt.h
new file mode 100644
index 0000000..31739ab
--- /dev/null
+++ b/include/wdt.h
@@ -0,0 +1,18 @@
+#pragma once
+#include <types.h>
+
+#define WDT_MAGIC 0x67674141
+
+struct wdt_device {
+    uint32_t type;
+    uint32_t driver_id;
+    uint32_t start;
+    uint32_t size;
+};
+
+struct wdt_root {
+    uint32_t magic;
+    uint32_t count;
+    struct wdt_device devices[];
+};
+
-- 
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