diff --git a/board/zyxel/nsa325/kwbimage.cfg b/board/zyxel/nsa325/kwbimage.cfg
new file mode 100644
index 0000000..a497300
--- /dev/null
+++ b/board/zyxel/nsa325/kwbimage.cfg
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2015-2023 Tony Dinh <mibodhi@gmail.com>
+#
+# Extracted from Zyxel GPL source for u-boot-1.1.4_NSA325v2
+#
+# Boot Media configurations
+BOOT_FROM       nand
+NAND_ECC_MODE   default
+NAND_PAGE_SIZE  0x0800
+
+# SOC registers configuration using bootrom header extension
+# Maximum KWBIMAGE_MAX_CONFIG configurations allowed
+
+# Configure RGMII-0 interface pad voltage to 1.8V
+DATA 0xFFD100e0 0x1b1b1b9b
+
+#Dram initalization
+DATA 0xFFD01400 0x4301503E      # DDR Configuration register
+DATA 0xFFD01404 0xB9843000      # DDR Controller Control Low
+DATA 0xFFD01408 0x33137777      # DDR Timing (Low)
+DATA 0xFFD0140C 0x16000C55      # DDR Timing (High)
+DATA 0xFFD01410 0x04000000      # DDR Address Control
+DATA 0xFFD01414 0x00000000	#  DDR Open Pages Control
+DATA 0xFFD01418 0x00000000	#  DDR Operation
+DATA 0xFFD0141C 0x00000672	#  DDR Mode
+DATA 0xFFD01420 0x00000004	#  DDR Extended Mode
+DATA 0xFFD01424 0x0000F14F	#  DDR Controller Control High
+DATA 0xFFD01428 0x000D6720	# DDR3 ODT Read Timing
+DATA 0xFFD0147C 0x0000B571	# DDR2 ODT Write Timing
+DATA 0xFFD01504 0x1FFFFFF1      # CS[0]n Size
+DATA 0xFFD01508 0x20000000      # CS[1]n Base address to 512Mb
+DATA 0xFFD0150C 0x1FFFFFF4      # CS[1]n Size 512Mb Window enabled for CS1
+DATA 0xFFD01514 0x00000000      # CS[2]n Size, window disabled
+DATA 0xFFD0151C 0x00000000      # CS[3]n Size, window disabled
+DATA 0xFFD01494 0x00120000      #  DDR ODT Control (Low)
+DATA 0xFFD01498 0x00000000      #  DDR ODT Control (High)
+DATA 0xFFD0149C 0x0000E803      # CPU ODT Control
+
+DATA 0xFFD015D0 0x00000630
+DATA 0xFFD015D4 0x00000046
+DATA 0xFFD015D8 0x00000008
+DATA 0xFFD015DC 0x00000000
+DATA 0xFFD015E0 0x00000023
+DATA 0xFFD015E4 0x00203C18
+DATA 0xFFD01620 0x00384800
+DATA 0xFFD01480 0x00000001
+DATA 0xFFD20134 0x66666666
+DATA 0xFFD20138 0x00066666
+
+DATA 0xFFD10100 0x00004000	# stop the watchdog
+DATA 0xFFD10104 0xFFFFBFFF
+
+# End of Header extension
+DATA 0x0 0x0