diff --git a/arch/arm/include/asm/arch-fsl-layerscape/config.h b/arch/arm/include/asm/arch-fsl-layerscape/config.h
index b5a2d28..6f4773a 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/config.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/config.h
@@ -147,8 +147,8 @@
 #define CONFIG_SYS_FSL_PCIE_COMPAT		"fsl,qoriq-pcie-v2.4"
 
 #define CONFIG_SYS_FSL_SFP_VER_3_2
-#define CONFIG_SYS_FSL_SNVS_LE
-#define CONFIG_SYS_FSL_SEC_LE
+#define CONFIG_SYS_FSL_SEC_MON_BE
+#define CONFIG_SYS_FSL_SEC_BE
 #define CONFIG_SYS_FSL_SFP_BE
 #define CONFIG_SYS_FSL_SRK_LE
 #define CONFIG_KEY_REVOCATION
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
index 83caa91..e7def3a 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
@@ -38,7 +38,7 @@
 #define CONFIG_SYS_PCIE3_ADDR			(CONFIG_SYS_IMMR + 0x2600000)
 #define CONFIG_SYS_FSL_SEC_ADDR			(CONFIG_SYS_IMMR + 0x700000)
 #define CONFIG_SYS_FSL_JR0_ADDR			(CONFIG_SYS_IMMR + 0x710000)
-#define CONFIG_SYS_SNVS_ADDR			(CONFIG_SYS_IMMR + 0xe90000)
+#define CONFIG_SYS_SEC_MON_ADDR			(CONFIG_SYS_IMMR + 0xe90000)
 #define CONFIG_SYS_SFP_ADDR			(CONFIG_SYS_IMMR + 0xe80200)
 
 #define CONFIG_SYS_FSL_TIMER_ADDR		0x02b00000
diff --git a/arch/arm/include/asm/fsl_secure_boot.h b/arch/arm/include/asm/fsl_secure_boot.h
index f2d4c3c..806302b 100644
--- a/arch/arm/include/asm/fsl_secure_boot.h
+++ b/arch/arm/include/asm/fsl_secure_boot.h
@@ -11,13 +11,17 @@
 #define CONFIG_CMD_ESBC_VALIDATE
 #define CONFIG_FSL_SEC_MON
 #define CONFIG_SHA_PROG_HW_ACCEL
-#define CONFIG_DM
 #define CONFIG_RSA
 #define CONFIG_RSA_FREESCALE_EXP
+
 #ifndef CONFIG_FSL_CAAM
 #define CONFIG_FSL_CAAM
 #endif
 
+#ifndef CONFIG_DM
+#define CONFIG_DM
+#endif
+
 #define CONFIG_KEY_REVOCATION
 #ifndef CONFIG_SYS_RAMBOOT
 /* The key used for verification of next level images
diff --git a/board/freescale/common/fsl_validate.c b/board/freescale/common/fsl_validate.c
index 73b6718..733aa48 100644
--- a/board/freescale/common/fsl_validate.c
+++ b/board/freescale/common/fsl_validate.c
@@ -15,9 +15,6 @@
 #include <u-boot/rsa-mod-exp.h>
 #include <hash.h>
 #include <fsl_secboot_err.h>
-#ifndef CONFIG_MPC85xx
-#include <asm/arch/immap_ls102xa.h>
-#endif
 
 #define SHA256_BITS	256
 #define SHA256_BYTES	(256/8)
@@ -99,7 +96,8 @@ int get_csf_base_addr(u32 *csf_addr, u32 *flash_base_addr)
 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
 	u32 csf_hdr_addr = in_be32(&gur->scratchrw[0]);
 
-	if (memcmp((u8 *)csf_hdr_addr, barker_code, ESBC_BARKER_LEN))
+	if (memcmp((u8 *)(uintptr_t)csf_hdr_addr,
+		   barker_code, ESBC_BARKER_LEN))
 		return -1;
 
 	*csf_addr = csf_hdr_addr;
@@ -117,7 +115,7 @@ static int get_ie_info_addr(u32 *ie_addr)
 	if (get_csf_base_addr(&csf_addr, &flash_base_addr))
 		return -1;
 
-	hdr = (struct fsl_secboot_img_hdr *)csf_addr;
+	hdr = (struct fsl_secboot_img_hdr *)(uintptr_t)csf_addr;
 
 	/* For SoC's with Trust Architecture v1 with corenet bus
 	 * the sg table field in CSF header has absolute address
@@ -130,7 +128,7 @@ static int get_ie_info_addr(u32 *ie_addr)
 		 (((u32)hdr->psgtable & ~(CONFIG_SYS_PBI_FLASH_BASE)) +
 		  flash_base_addr);
 #else
-	sg_tbl = (struct fsl_secboot_sg_table *)(csf_addr +
+	sg_tbl = (struct fsl_secboot_sg_table *)(uintptr_t)(csf_addr +
 						 (u32)hdr->psgtable);
 #endif
 
@@ -379,8 +377,8 @@ static int calc_img_key_hash(struct fsl_secboot_img_priv *img)
 #ifdef CONFIG_KEY_REVOCATION
 	if (check_srk(img)) {
 		ret = algo->hash_update(algo, ctx,
-			(u8 *)(img->ehdrloc + img->hdr.srk_tbl_off),
-			img->hdr.len_kr.num_srk * sizeof(struct srk_table), 1);
+		      (u8 *)(uintptr_t)(img->ehdrloc + img->hdr.srk_tbl_off),
+		      img->hdr.len_kr.num_srk * sizeof(struct srk_table), 1);
 		srk = 1;
 	}
 #endif
@@ -438,8 +436,8 @@ static int calc_esbchdr_esbc_hash(struct fsl_secboot_img_priv *img)
 #ifdef CONFIG_KEY_REVOCATION
 	if (check_srk(img)) {
 		ret = algo->hash_update(algo, ctx,
-			(u8 *)(img->ehdrloc + img->hdr.srk_tbl_off),
-			img->hdr.len_kr.num_srk * sizeof(struct srk_table), 0);
+		      (u8 *)(uintptr_t)(img->ehdrloc + img->hdr.srk_tbl_off),
+		      img->hdr.len_kr.num_srk * sizeof(struct srk_table), 0);
 		key_hash = 1;
 	}
 #endif
@@ -454,8 +452,13 @@ static int calc_esbchdr_esbc_hash(struct fsl_secboot_img_priv *img)
 		return ret;
 
 	/* Update hash for actual Image */
+#ifdef CONFIG_ESBC_ADDR_64BIT
+	ret = algo->hash_update(algo, ctx,
+		(u8 *)(uintptr_t)img->hdr.pimg64, img->hdr.img_size, 1);
+#else
 	ret = algo->hash_update(algo, ctx,
-			(u8 *)img->hdr.pimg, img->hdr.img_size, 1);
+		(u8 *)(uintptr_t)img->hdr.pimg, img->hdr.img_size, 1);
+#endif
 	if (ret)
 		return ret;
 
@@ -533,7 +536,7 @@ static int read_validate_esbc_client_header(struct fsl_secboot_img_priv *img)
 {
 	char buf[20];
 	struct fsl_secboot_img_hdr *hdr = &img->hdr;
-	void *esbc = (u8 *)img->ehdrloc;
+	void *esbc = (u8 *)(uintptr_t)img->ehdrloc;
 	u8 *k, *s;
 #ifdef CONFIG_KEY_REVOCATION
 	u32 ret;
@@ -549,7 +552,11 @@ static int read_validate_esbc_client_header(struct fsl_secboot_img_priv *img)
 	if (memcmp(hdr->barker, barker_code, ESBC_BARKER_LEN))
 		return ERROR_ESBC_CLIENT_HEADER_BARKER;
 
+#ifdef CONFIG_ESBC_ADDR_64BIT
+	sprintf(buf, "%llx", hdr->pimg64);
+#else
 	sprintf(buf, "%x", hdr->pimg);
+#endif
 	setenv("img_addr", buf);
 
 	if (!hdr->img_size)
@@ -594,7 +601,7 @@ static int read_validate_esbc_client_header(struct fsl_secboot_img_priv *img)
 	if (!key_found && check_ie(img)) {
 		if (get_ie_info_addr(&img->ie_addr))
 			return ERROR_IE_TABLE_NOT_FOUND;
-		ie_info = (struct ie_key_info *)img->ie_addr;
+		ie_info = (struct ie_key_info *)(uintptr_t)img->ie_addr;
 		if (ie_info->num_keys == 0 || ie_info->num_keys > 32)
 			return ERROR_ESBC_CLIENT_HEADER_INVALID_IE_NUM_ENTRY;
 
@@ -748,7 +755,7 @@ int fsl_secboot_validate(cmd_tbl_t *cmdtp, int flag, int argc,
 
 	hdr = &img->hdr;
 	img->ehdrloc = addr;
-	esbc = (u8 *)img->ehdrloc;
+	esbc = (u8 *)(uintptr_t)img->ehdrloc;
 
 	memcpy(hdr, esbc, sizeof(struct fsl_secboot_img_hdr));
 
diff --git a/board/freescale/ls1043ardb/MAINTAINERS b/board/freescale/ls1043ardb/MAINTAINERS
index efca5bf..84ffb63 100644
--- a/board/freescale/ls1043ardb/MAINTAINERS
+++ b/board/freescale/ls1043ardb/MAINTAINERS
@@ -7,3 +7,8 @@ F:	include/configs/ls1043ardb.h
 F:	configs/ls1043ardb_defconfig
 F:	configs/ls1043ardb_nand_defconfig
 F:	configs/ls1043ardb_sdcard_defconfig
+
+LS1043A_SECURE_BOOT BOARD
+M:	Aneesh Bansal <aneesh.bansal@freescale.com>
+S:	Maintained
+F:	configs/ls1043ardb_SECURE_BOOT_defconfig
diff --git a/board/freescale/ls1043ardb/ls1043ardb.c b/board/freescale/ls1043ardb/ls1043ardb.c
index cdd50d6..9ebd12c 100644
--- a/board/freescale/ls1043ardb/ls1043ardb.c
+++ b/board/freescale/ls1043ardb/ls1043ardb.c
@@ -18,6 +18,8 @@
 #include <fsl_csu.h>
 #include <fsl_esdhc.h>
 #include <fsl_ifc.h>
+#include <environment.h>
+#include <fsl_sec.h>
 #include "cpld.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -123,7 +125,21 @@ int config_board_mux(void)
 int misc_init_r(void)
 {
 	config_board_mux();
-
+#ifdef CONFIG_SECURE_BOOT
+#ifdef CONFIG_LS1043A
+	/* In case of Secure Boot, the IBR configures the SMMU
+	 * to allow only Secure transactions.
+	 * SMMU must be reset in bypass mode.
+	 * Set the ClientPD bit and Clear the USFCFG Bit
+	 */
+	u32 val;
+	val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
+	out_le32(SMMU_SCR0, val);
+	val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
+	out_le32(SMMU_NSCR0, val);
+#endif
+	return sec_init();
+#endif
 	return 0;
 }
 #endif
diff --git a/common/cmd_blob.c b/common/cmd_blob.c
index d3f22a1..ac8b268 100644
--- a/common/cmd_blob.c
+++ b/common/cmd_blob.c
@@ -73,9 +73,9 @@ static int do_blob(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 	len = simple_strtoul(argv[4], NULL, 16);
 	key_addr = simple_strtoul(argv[5], NULL, 16);
 
-	km_ptr = (uint8_t *)key_addr;
-	src_ptr = (uint8_t *)src_addr;
-	dst_ptr = (uint8_t *)dst_addr;
+	km_ptr = (uint8_t *)(uintptr_t)key_addr;
+	src_ptr = (uint8_t *)(uintptr_t)src_addr;
+	dst_ptr = (uint8_t *)(uintptr_t)dst_addr;
 
 	if (enc)
 		ret = blob_encap(km_ptr, src_ptr, dst_ptr, len);
diff --git a/configs/ls1043ardb_SECURE_BOOT_defconfig b/configs/ls1043ardb_SECURE_BOOT_defconfig
new file mode 100644
index 0000000..d9d6c97
--- /dev/null
+++ b/configs/ls1043ardb_SECURE_BOOT_defconfig
@@ -0,0 +1,9 @@
+CONFIG_ARM=y
+CONFIG_TARGET_LS1043ARDB=y
+CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4, SECURE_BOOT"
+CONFIG_SYS_NS16550=y
+CONFIG_DEFAULT_DEVICE_TREE="fsl-ls1043a-rdb"
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_SPI_FLASH=y
+CONFIG_DM_SPI=y
\ No newline at end of file
diff --git a/include/configs/ls1043ardb.h b/include/configs/ls1043ardb.h
index 7d113a0..5d82cf3 100644
--- a/include/configs/ls1043ardb.h
+++ b/include/configs/ls1043ardb.h
@@ -291,4 +291,14 @@
 #define CONFIG_CMD_EXT2
 #endif
 
+#ifdef CONFIG_SECURE_BOOT
+#define CONFIG_CMD_HASH
+#define CONFIG_SHA_HW_ACCEL
+#define CONFIG_CMD_BLOB
+/* For LS1043 (ARMv8), ESBC image Address in Header is 64 bit */
+#define CONFIG_ESBC_ADDR_64BIT
+#endif
+
+#include <asm/fsl_secure_boot.h>
+
 #endif /* __LS1043ARDB_H__ */
diff --git a/include/fsl_validate.h b/include/fsl_validate.h
index 92dd98b..a62dc74 100644
--- a/include/fsl_validate.h
+++ b/include/fsl_validate.h
@@ -83,7 +83,9 @@ struct fsl_secboot_img_hdr {
 	u32 sign_len;		/* length of the signature in bytes */
 	union {
 		u32 psgtable;	/* ptr to SG table */
+#ifndef CONFIG_ESBC_ADDR_64BIT
 		u32 pimg;	/* ptr to ESBC client image */
+#endif
 	};
 	union {
 		u32 sg_entries;	/* no of entries in SG table */
@@ -97,7 +99,12 @@ struct fsl_secboot_img_hdr {
 	u32 reserved1[2];
 	u32 fsl_uid_1;
 	u32 oem_uid_1;
-	u32 reserved2[2];
+	union {
+		u32 reserved2[2];
+#ifdef CONFIG_ESBC_ADDR_64BIT
+		u64 pimg64;	/* 64 bit pointer to ESBC Image */
+#endif
+	};
 	u32 ie_flag;
 	u32 ie_key_sel;
 };
