1 files changed, 46 insertions, 0 deletions
diff --git a/sys/dev/ichwd/i6300esbwd.h b/sys/dev/ichwd/i6300esbwd.h
new file mode 100644
index 000000000000..39ed5d5a84f6
--- /dev/null
+++ b/sys/dev/ichwd/i6300esbwd.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2025 The FreeBSD Foundation
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#ifndef _I6300ESBWD_H_
+#define _I6300ESBWD_H_
+
+#define WDT_CONFIG_REG	  0x60
+#define WDT_LOCK_REG	  0x68
+
+#define WDT_PRELOAD_1_REG 0x00
+#define WDT_PRELOAD_2_REG 0x04
+#define WDT_INTR_REG	  0x08
+#define WDT_RELOAD_REG	  0x0C
+
+/* For config register */
+#define WDT_OUTPUT_EN		  (0x1 << 5)
+#define WDT_PRE_SEL		  (0x1 << 2)
+#define WDT_INT_TYPE_BITS	  (0x3)
+#define WDT_INT_TYPE_IRQ_VAL	  (0x0)
+#define WDT_INT_TYPE_RES_VAL	  (0x1)
+#define WDT_INT_TYPE_SMI_VAL	  (0x2)
+#define WDT_INT_TYPE_DISABLED_VAL (0x3)
+
+/* For lock register */
+#define WDT_TOUT_CNF_WT_MODE (0x0 << 2)
+#define WDT_TOUT_CNF_FR_MODE (0x1 << 2)
+#define WDT_ENABLE	     (0x02)
+#define WDT_LOCK	     (0x01)
+
+/* For preload 1/2 registers */
+#define WDT_PRELOAD_BIT	 20
+#define WDT_PRELOAD_BITS ((0x1 << WDT_PRELOAD_BIT) - 1)
+
+/* For interrupt register */
+#define WDT_INTR_ACT (0x01 << 0)
+
+/* For reload register */
+#define WDT_TIMEOUT	     (0x01 << 9)
+#define WDT_RELOAD	     (0x01 << 8)
+#define WDT_UNLOCK_SEQ_1_VAL 0x80
+#define WDT_UNLOCK_SEQ_2_VAL 0x86
+
+#endif /* _I6300ESBWD_H_ */