diff --git a/arch/arm/include/asm/fsl_secure_boot.h b/arch/arm/include/asm/fsl_secure_boot.h
index 266db4c..2cefd1f 100644
--- a/arch/arm/include/asm/fsl_secure_boot.h
+++ b/arch/arm/include/asm/fsl_secure_boot.h
@@ -70,7 +70,7 @@
 /* Copying Bootscript and Header to DDR from NOR for LS2 and for rest, from
  * Non-XIP Memory (Nand/SD)*/
 #if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_FSL_LSCH3) || \
-	defined(CONFIG_SD_BOOT)
+	defined(CONFIG_SD_BOOT) || defined(CONFIG_NAND_BOOT)
 #define CONFIG_BOOTSCRIPT_COPY_RAM
 #endif
 /* The address needs to be modified according to NOR, NAND, SD and
@@ -96,6 +96,11 @@
 #define CONFIG_BS_ADDR_DEVICE		0x00000940
 #define CONFIG_BS_HDR_SIZE		0x00000010
 #define CONFIG_BS_SIZE			0x00000008
+#elif defined(CONFIG_NAND_BOOT)
+#define CONFIG_BS_HDR_ADDR_DEVICE      0x00800000
+#define CONFIG_BS_ADDR_DEVICE          0x00802000
+#define CONFIG_BS_HDR_SIZE             0x00002000
+#define CONFIG_BS_SIZE                 0x00001000
 #elif defined(CONFIG_QSPI_BOOT)
 #ifdef CONFIG_ARCH_LS1046A
 #define CONFIG_BS_HDR_ADDR_DEVICE	0x40780000
diff --git a/board/freescale/ls1043ardb/ls1043ardb.c b/board/freescale/ls1043ardb/ls1043ardb.c
index bd72e30..ff985de 100644
--- a/board/freescale/ls1043ardb/ls1043ardb.c
+++ b/board/freescale/ls1043ardb/ls1043ardb.c
@@ -51,6 +51,7 @@ void spl_board_init(void)
 	out_le32(SMMU_SCR0, val);
 	val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
 	out_le32(SMMU_NSCR0, val);
+	printf("Completed spl_board_init\n");
 #endif
 }
 #endif
diff --git a/configs/ls1043ardb_nand_SECURE_BOOT_defconfig b/configs/ls1043ardb_nand_SECURE_BOOT_defconfig
new file mode 100644
index 0000000..66c89fa
--- /dev/null
+++ b/configs/ls1043ardb_nand_SECURE_BOOT_defconfig
@@ -0,0 +1,57 @@
+CONFIG_ARM=y
+CONFIG_TARGET_LS1043ARDB=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SPL_NAND_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_ENV_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL_WATCHDOG_SUPPORT=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-rdb"
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,SPL_FSL_PBL,NAND_BOOT"
+CONFIG_NAND_BOOT=y
+CONFIG_SECURE_BOOT=y
+CONFIG_BOOTDELAY=10
+CONFIG_SPL=y
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0xf0
+CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT=y
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PXE=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_FAT=y
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPL_DM=y
+CONFIG_MTD_NOR_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_NETDEVICES=y
+CONFIG_E1000=y
+CONFIG_PCI=y
+CONFIG_DM_PCI=y
+CONFIG_DM_PCI_COMPAT=y
+CONFIG_PCIE_LAYERSCAPE=y
+CONFIG_SYS_NS16550=y
+CONFIG_DM_SPI=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_STORAGE=y
+CONFIG_RSA=y
+CONFIG_SPL_RSA=y
+CONFIG_SPL_CRYPTO_SUPPORT=y
+CONFIG_SPL_HASH_SUPPORT=y
diff --git a/include/config_fsl_chain_trust.h b/include/config_fsl_chain_trust.h
index eb45e98..40d323e 100644
--- a/include/config_fsl_chain_trust.h
+++ b/include/config_fsl_chain_trust.h
@@ -81,17 +81,18 @@
 	"setenv bs_size " __stringify(CONFIG_BS_SIZE)";"
 
 /* For secure boot flow, default environment used will be used */
-#if defined(CONFIG_SYS_RAMBOOT)
-#if defined(CONFIG_RAMBOOT_NAND)
+#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_NAND_BOOT) || \
+	defined(CONFIG_SD_BOOT)
+#if defined(CONFIG_RAMBOOT_NAND) || defined(CONFIG_NAND_BOOT)
 #define CONFIG_BS_COPY_CMD \
 	"nand read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \
 	"nand read $bs_ram $bs_device $bs_size ;"
-#endif /* CONFIG_RAMBOOT_NAND */
 #elif defined(CONFIG_SD_BOOT)
 #define CONFIG_BS_COPY_CMD \
 	"mmc read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \
 	"mmc read $bs_ram $bs_device $bs_size ;"
-#else /* CONFIG_SD_BOOT */
+#endif
+#else
 #define CONFIG_BS_COPY_CMD \
 	"cp.b $bs_hdr_device $bs_hdr_ram  $bs_hdr_size ;" \
 	"cp.b $bs_device $bs_ram  $bs_size ;"
diff --git a/include/configs/ls1043a_common.h b/include/configs/ls1043a_common.h
index c9ab2bf..82da808 100644
--- a/include/configs/ls1043a_common.h
+++ b/include/configs/ls1043a_common.h
@@ -105,7 +105,23 @@
 #define CONFIG_SPL_BSS_START_ADDR	0x80100000
 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
-#define CONFIG_SYS_MONITOR_LEN		0xa0000
+
+#ifdef CONFIG_SECURE_BOOT
+#define CONFIG_U_BOOT_HDR_SIZE				(16 << 10)
+#endif /* ifdef CONFIG_SECURE_BOOT */
+
+#ifdef CONFIG_U_BOOT_HDR_SIZE
+/*
+ * HDR would be appended at end of image and copied to DDR along
+ * with U-Boot image. Here u-boot max. size is 512K. So if binary
+ * size increases then increase this size in case of secure boot as
+ * it uses raw u-boot image instead of fit image.
+ */
+#define CONFIG_SYS_MONITOR_LEN		(0x100000 + CONFIG_U_BOOT_HDR_SIZE)
+#else
+#define CONFIG_SYS_MONITOR_LEN		0x100000
+#endif /* ifdef CONFIG_U_BOOT_HDR_SIZE */
+
 #endif
 
 /* IFC */
diff --git a/include/configs/ls1043ardb.h b/include/configs/ls1043ardb.h
index e7d1f99..b06cd06 100644
--- a/include/configs/ls1043ardb.h
+++ b/include/configs/ls1043ardb.h
@@ -149,7 +149,7 @@
 #ifdef CONFIG_NAND_BOOT
 #define CONFIG_SPL_PAD_TO		0x20000		/* block aligned */
 #define CONFIG_SYS_NAND_U_BOOT_OFFS	CONFIG_SPL_PAD_TO
-#define CONFIG_SYS_NAND_U_BOOT_SIZE	(640 << 10)
+#define CONFIG_SYS_NAND_U_BOOT_SIZE	(1024 << 10)
 #endif
 
 /*
