diff --git a/configs/ls1021atwr_nor_SECURE_BOOT_defconfig b/configs/ls1021atwr_nor_SECURE_BOOT_defconfig
index cf99770..c8cb215 100644
--- a/configs/ls1021atwr_nor_SECURE_BOOT_defconfig
+++ b/configs/ls1021atwr_nor_SECURE_BOOT_defconfig
@@ -46,3 +46,4 @@ CONFIG_VIDEO_FSL_DCU_FB=y
 # CONFIG_VIDEO_SW_CURSOR is not set
 CONFIG_RSA=y
 CONFIG_SPL_RSA=y
+CONFIG_DISTRO_DEFAULTS=y
diff --git a/configs/ls1021atwr_sdcard_ifc_SECURE_BOOT_defconfig b/configs/ls1021atwr_sdcard_ifc_SECURE_BOOT_defconfig
index d13652a..8689fa7 100644
--- a/configs/ls1021atwr_sdcard_ifc_SECURE_BOOT_defconfig
+++ b/configs/ls1021atwr_sdcard_ifc_SECURE_BOOT_defconfig
@@ -61,3 +61,4 @@ CONFIG_VIDEO_FSL_DCU_FB=y
 # CONFIG_VIDEO_SW_CURSOR is not set
 CONFIG_RSA=y
 CONFIG_SPL_RSA=y
+CONFIG_DISTRO_DEFAULTS=y
diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h
index e46324b..12413d0 100644
--- a/include/configs/ls1021atwr.h
+++ b/include/configs/ls1021atwr.h
@@ -380,6 +380,7 @@
 	"fdt_addr=0x64f00000\0"		\
 	"kernel_addr=0x65000000\0"	\
 	"scriptaddr=0x80000000\0"	\
+	"scripthdraddr=0x80080000\0"	\
 	"fdtheader_addr_r=0x80100000\0"	\
 	"kernelheader_addr_r=0x80200000\0"	\
 	"kernel_addr_r=0x81000000\0"	\
@@ -389,6 +390,7 @@
 	"kernel_size=0x2800000\0"	\
 	BOOTENV				\
 	"boot_scripts=ls1021atwr_boot.scr\0"	\
+	"boot_script_hdr=hdr_ls1021atwr_bs.out\0"	\
 		"scan_dev_for_boot_part="	\
 			"part list ${devtype} ${devnum} devplist; "	\
 			"env exists devplist || setenv devplist 1; "	\
@@ -399,6 +401,21 @@
 				"run scan_dev_for_boot; "		\
 			"fi; "			\
 		"done\0"			\
+	"scan_dev_for_boot="				  \
+		"echo Scanning ${devtype} "		  \
+				"${devnum}:${distro_bootpart}...; "  \
+		"for prefix in ${boot_prefixes}; do "	  \
+			"run scan_dev_for_scripts; "	  \
+		"done;"					  \
+		"\0"					  \
+	"boot_a_script="				  \
+		"load ${devtype} ${devnum}:${distro_bootpart} "  \
+			"${scriptaddr} ${prefix}${script}; "    \
+		"env exists secureboot && load ${devtype} "     \
+			"${devnum}:${distro_bootpart} "		\
+			"${scripthdraddr} ${prefix}${boot_script_hdr} " \
+			"&& esbc_validate ${scripthdraddr};"    \
+		"source ${scriptaddr}\0"	  \
 	"installer=load mmc 0:2 $load_addr "	\
 		"/flex_installer_arm32.itb; "		\
 		"bootm $load_addr#ls1021atwr\0"	\
@@ -416,6 +433,7 @@
 	"fdt_addr=0x64f00000\0"		\
 	"kernel_addr=0x65000000\0"	\
 	"scriptaddr=0x80000000\0"	\
+	"scripthdraddr=0x80080000\0"	\
 	"fdtheader_addr_r=0x80100000\0"	\
 	"kernelheader_addr_r=0x80200000\0"	\
 	"kernel_addr_r=0x81000000\0"	\
@@ -425,6 +443,7 @@
 	"kernel_size=0x2800000\0"	\
 	BOOTENV				\
 	"boot_scripts=ls1021atwr_boot.scr\0"	\
+	"boot_script_hdr=hdr_ls1021atwr_bs.out\0"	\
 		"scan_dev_for_boot_part="	\
 			"part list ${devtype} ${devnum} devplist; "	\
 			"env exists devplist || setenv devplist 1; "	\
@@ -435,6 +454,21 @@
 				"run scan_dev_for_boot; "		\
 			"fi; "			\
 		"done\0"			\
+	"scan_dev_for_boot="				  \
+		"echo Scanning ${devtype} "		  \
+				"${devnum}:${distro_bootpart}...; "  \
+		"for prefix in ${boot_prefixes}; do "	  \
+			"run scan_dev_for_scripts; "	  \
+		"done;"					  \
+		"\0"					  \
+	"boot_a_script="				  \
+		"load ${devtype} ${devnum}:${distro_bootpart} "  \
+			"${scriptaddr} ${prefix}${script}; "    \
+		"env exists secureboot && load ${devtype} "     \
+			"${devnum}:${distro_bootpart} "		\
+			"${scripthdraddr} ${prefix}${boot_script_hdr} " \
+			"&& esbc_validate ${scripthdraddr};"    \
+		"source ${scriptaddr}\0"	  \
 	"installer=load mmc 0:2 $load_addr "	\
 		"/flex_installer_arm32.itb; "		\
 		"bootm $load_addr#ls1021atwr\0"	\
@@ -448,9 +482,11 @@
 
 #undef CONFIG_BOOTCOMMAND
 #if defined(CONFIG_QSPI_BOOT) || defined(CONFIG_SD_BOOT_QSPI)
-#define CONFIG_BOOTCOMMAND "run distro_bootcmd;run qspi_bootcmd"
+#define CONFIG_BOOTCOMMAND "run distro_bootcmd; env exists secureboot"	\
+			   "&& esbc_halt; run qspi_bootcmd;"
 #else
-#define CONFIG_BOOTCOMMAND "run distro_bootcmd;run nor_bootcmd"
+#define CONFIG_BOOTCOMMAND "run distro_bootcmd; env exists secureboot"	\
+			   "&& esbc_halt; run nor_bootcmd;"
 #endif
 
 #define CONFIG_BOOTARGS			"console=ttyS0,115200 root=/dev/ram0"