diff --git a/Kconfig b/Kconfig
index c46f4fce86..b0e45cd236 100644
--- a/Kconfig
+++ b/Kconfig
@@ -454,6 +454,12 @@ config SYS_SRAM_SIZE
 	default 0x10000 if TARGET_TRICORDER
 	default 0x0
 
+config MP
+	bool "Support for multiprocessor"
+	help
+	  This provides an option to bringup different processors
+	  in multiprocessor cases.
+
 config EXAMPLES
 	bool "Compile API examples"
 	depends on !SANDBOX
diff --git a/MAINTAINERS b/MAINTAINERS
index 64648c2921..9c2d6fe063 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1307,7 +1307,7 @@ F:	arch/x86/
 F:	cmd/x86/
 
 XEN
-M:	Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
+M:	Anastasiia Lukianenko <vicooodin@gmail.com>
 M:	Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
 S:	Maintained
 F:	arch/arm/cpu/armv8/xen/
diff --git a/boot/image-fit-sig.c b/boot/image-fit-sig.c
index 9b1d38b20a..495d7768f6 100644
--- a/boot/image-fit-sig.c
+++ b/boot/image-fit-sig.c
@@ -67,7 +67,7 @@ static int fit_image_setup_verify(struct image_sign_info *info,
 				  const void *fit, int noffset,
 				  int required_keynode, char **err_msgp)
 {
-	char *algo_name;
+	const char *algo_name;
 	const char *padding_name;
 
 	if (fdt_totalsize(fit) > CONFIG_VAL(FIT_SIGNATURE_MAX_SIZE)) {
diff --git a/boot/image-fit.c b/boot/image-fit.c
index f6594e065c..85a6f223c8 100644
--- a/boot/image-fit.c
+++ b/boot/image-fit.c
@@ -191,7 +191,7 @@ static void fit_image_print_data(const void *fit, int noffset, const char *p,
 	const char *keyname;
 	uint8_t *value;
 	int value_len;
-	char *algo;
+	const char *algo;
 	const char *padding;
 	bool required;
 	int ret, i;
@@ -1063,11 +1063,11 @@ int fit_image_get_data_and_size(const void *fit, int noffset,
  *     0, on success
  *     -1, on failure
  */
-int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
+int fit_image_hash_get_algo(const void *fit, int noffset, const char **algo)
 {
 	int len;
 
-	*algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
+	*algo = (const char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
 	if (*algo == NULL) {
 		fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
 		return -1;
@@ -1265,7 +1265,7 @@ static int fit_image_check_hash(const void *fit, int noffset, const void *data,
 {
 	uint8_t value[FIT_MAX_HASH_LEN];
 	int value_len;
-	char *algo;
+	const char *algo;
 	uint8_t *fit_value;
 	int fit_value_len;
 	int ignore;
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 84ede90eee..5e25e45fd2 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1827,12 +1827,13 @@ config CMD_SLEEP
 	help
 	  Delay execution for some time
 
-config MP
-	bool "support for multiprocessor"
+config CMD_MP
+	bool "support for multiprocessor commands"
+	depends on MP
+	default y
 	help
-	  This provides an option to brinup
-	  different processors in multiprocessor
-	  cases.
+	  This enables commands to bringup different processors
+	  in multiprocessor cases.
 
 config CMD_TIMER
 	bool "timer"
diff --git a/cmd/Makefile b/cmd/Makefile
index fb133e3703..166c652d98 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -100,7 +100,7 @@ obj-$(CONFIG_CMD_MDIO) += mdio.o
 obj-$(CONFIG_CMD_SLEEP) += sleep.o
 obj-$(CONFIG_CMD_MMC) += mmc.o
 obj-$(CONFIG_CMD_OPTEE_RPMB) += optee_rpmb.o
-obj-$(CONFIG_MP) += mp.o
+obj-$(CONFIG_CMD_MP) += mp.o
 obj-$(CONFIG_CMD_MTD) += mtd.o
 obj-$(CONFIG_CMD_MTDPARTS) += mtdparts.o
 obj-$(CONFIG_CMD_CLONE) += clone.o
diff --git a/configs/vexpress_aemv8a_semi_defconfig b/configs/vexpress_aemv8a_semi_defconfig
index f9abf29b26..8e6a87c99f 100644
--- a/configs/vexpress_aemv8a_semi_defconfig
+++ b/configs/vexpress_aemv8a_semi_defconfig
@@ -11,6 +11,7 @@ CONFIG_ENV_SECT_SIZE=0x40000
 CONFIG_IDENT_STRING=" vexpress_aemv8a"
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SYS_LOAD_ADDR=0x90000000
+# CONFIG_ARM64_CRC32 is not set
 CONFIG_ANDROID_BOOT_IMAGE=y
 CONFIG_BOOTDELAY=1
 CONFIG_USE_BOOTARGS=y
diff --git a/doc/mkimage.1 b/doc/mkimage.1
index fea5288784..0734bd36a1 100644
--- a/doc/mkimage.1
+++ b/doc/mkimage.1
@@ -155,6 +155,11 @@ the corresponding public key is written into this file for for run-time
 verification. Typically the file here is the device tree binary used by
 CONFIG_OF_CONTROL in U-Boot.
 
+.TP
+.BI "\-o [" "signing algorithm" "]"
+Specifies the algorithm to be used for signing a FIT image. The default is
+taken from the target signature nodes 'algo' properties.
+
 .TP
 .BI "\-p [" "external position" "]"
 Place external data at a static external position. See \-E. Instead of writing
diff --git a/drivers/misc/misc-uclass.c b/drivers/misc/misc-uclass.c
index cbfacc3801..cfe9d562fa 100644
--- a/drivers/misc/misc-uclass.c
+++ b/drivers/misc/misc-uclass.c
@@ -26,7 +26,7 @@ int misc_read(struct udevice *dev, int offset, void *buf, int size)
 	return ops->read(dev, offset, buf, size);
 }
 
-int misc_write(struct udevice *dev, int offset, void *buf, int size)
+int misc_write(struct udevice *dev, int offset, const void *buf, int size)
 {
 	const struct misc_ops *ops = device_get_ops(dev);
 
diff --git a/include/image.h b/include/image.h
index 1cdc70faee..fe1356265c 100644
--- a/include/image.h
+++ b/include/image.h
@@ -1011,7 +1011,7 @@ int fit_image_get_data_size_unciphered(const void *fit, int noffset,
 int fit_image_get_data_and_size(const void *fit, int noffset,
 				const void **data, size_t *size);
 
-int fit_image_hash_get_algo(const void *fit, int noffset, char **algo);
+int fit_image_hash_get_algo(const void *fit, int noffset, const char **algo);
 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
 				int *value_len);
 
@@ -1031,6 +1031,7 @@ int fit_cipher_data(const char *keydir, void *keydest, void *fit,
  * @require_keys: Mark all keys as 'required'
  * @engine_id:	Engine to use for signing
  * @cmdname:	Command name used when reporting errors
+ * @algo_name:	Algorithm name, or NULL if to be read from FIT
  *
  * Adds hash values for all component images in the FIT blob.
  * Hashes are calculated for all component images which have hash subnodes
@@ -1045,7 +1046,7 @@ int fit_cipher_data(const char *keydir, void *keydest, void *fit,
 int fit_add_verification_data(const char *keydir, const char *keyfile,
 			      void *keydest, void *fit, const char *comment,
 			      int require_keys, const char *engine_id,
-			      const char *cmdname);
+			      const char *cmdname, const char *algo_name);
 
 int fit_image_verify_with_data(const void *fit, int image_noffset,
 			       const void *data, size_t size);
diff --git a/include/misc.h b/include/misc.h
index 82ec2ce793..6f042625c9 100644
--- a/include/misc.h
+++ b/include/misc.h
@@ -28,7 +28,7 @@ int misc_read(struct udevice *dev, int offset, void *buf, int size);
  *
  * Return: number of bytes written if OK (may be < @size), -ve on error
  */
-int misc_write(struct udevice *dev, int offset, void *buf, int size);
+int misc_write(struct udevice *dev, int offset, const void *buf, int size);
 
 /**
  * misc_ioctl() - Assert command to the device, optional.
diff --git a/tools/fit_common.c b/tools/fit_common.c
index 52b63296f8..5c8920de54 100644
--- a/tools/fit_common.c
+++ b/tools/fit_common.c
@@ -26,10 +26,18 @@
 int fit_verify_header(unsigned char *ptr, int image_size,
 			struct image_tool_params *params)
 {
-	if (fdt_check_header(ptr) != EXIT_SUCCESS ||
-	    fit_check_format(ptr, IMAGE_SIZE_INVAL))
+	int ret;
+
+	if (fdt_check_header(ptr) != EXIT_SUCCESS)
 		return EXIT_FAILURE;
 
+	ret = fit_check_format(ptr, IMAGE_SIZE_INVAL);
+	if (ret) {
+		if (ret != -EADDRNOTAVAIL)
+			return EXIT_FAILURE;
+		fprintf(stderr, "Image contains unit addresses @, this will break signing\n");
+	}
+
 	return EXIT_SUCCESS;
 }
 
diff --git a/tools/fit_image.c b/tools/fit_image.c
index f4f372ba62..8df95c40d2 100644
--- a/tools/fit_image.c
+++ b/tools/fit_image.c
@@ -73,7 +73,8 @@ static int fit_add_file_data(struct image_tool_params *params, size_t size_inc,
 						params->comment,
 						params->require_keys,
 						params->engine_id,
-						params->cmdname);
+						params->cmdname,
+						params->algo_name);
 	}
 
 	if (dest_blob) {
@@ -884,11 +885,6 @@ static int fit_extract_contents(void *ptr, struct image_tool_params *params)
 	/* Indent string is defined in header image.h */
 	p = IMAGE_INDENT_STRING;
 
-	if (fit_check_format(fit, IMAGE_SIZE_INVAL)) {
-		printf("Bad FIT image format\n");
-		return -1;
-	}
-
 	/* Find images parent node offset */
 	images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
 	if (images_noffset < 0) {
diff --git a/tools/image-host.c b/tools/image-host.c
index 945571f584..f86e1fbb1b 100644
--- a/tools/image-host.c
+++ b/tools/image-host.c
@@ -63,7 +63,7 @@ static int fit_image_process_hash(void *fit, const char *image_name,
 	uint8_t value[FIT_MAX_HASH_LEN];
 	const char *node_name;
 	int value_len;
-	char *algo;
+	const char *algo;
 	int ret;
 
 	node_name = fit_get_name(fit, noffset, NULL);
@@ -107,7 +107,7 @@ static int fit_image_process_hash(void *fit, const char *image_name,
  */
 static int fit_image_write_sig(void *fit, int noffset, uint8_t *value,
 		int value_len, const char *comment, const char *region_prop,
-		int region_proplen, const char *cmdname)
+		int region_proplen, const char *cmdname, const char *algo_name)
 {
 	int string_size;
 	int ret;
@@ -150,6 +150,8 @@ static int fit_image_write_sig(void *fit, int noffset, uint8_t *value,
 					  strdata, sizeof(strdata));
 		}
 	}
+	if (algo_name && !ret)
+		ret = fdt_setprop_string(fit, noffset, "algo", algo_name);
 
 	return ret;
 }
@@ -157,17 +159,18 @@ static int fit_image_write_sig(void *fit, int noffset, uint8_t *value,
 static int fit_image_setup_sig(struct image_sign_info *info,
 		const char *keydir, const char *keyfile, void *fit,
 		const char *image_name, int noffset, const char *require_keys,
-		const char *engine_id)
+		const char *engine_id, const char *algo_name)
 {
 	const char *node_name;
-	char *algo_name;
 	const char *padding_name;
 
 	node_name = fit_get_name(fit, noffset, NULL);
-	if (fit_image_hash_get_algo(fit, noffset, &algo_name)) {
-		printf("Can't get algo property for '%s' signature node in '%s' image node\n",
-		       node_name, image_name);
-		return -1;
+	if (!algo_name) {
+		if (fit_image_hash_get_algo(fit, noffset, &algo_name)) {
+			printf("Can't get algo property for '%s' signature node in '%s' image node\n",
+			       node_name, image_name);
+			return -1;
+		}
 	}
 
 	padding_name = fdt_getprop(fit, noffset, "padding", NULL);
@@ -215,7 +218,7 @@ static int fit_image_process_sig(const char *keydir, const char *keyfile,
 		void *keydest, void *fit, const char *image_name,
 		int noffset, const void *data, size_t size,
 		const char *comment, int require_keys, const char *engine_id,
-		const char *cmdname)
+		const char *cmdname, const char *algo_name)
 {
 	struct image_sign_info info;
 	struct image_region region;
@@ -226,7 +229,7 @@ static int fit_image_process_sig(const char *keydir, const char *keyfile,
 
 	if (fit_image_setup_sig(&info, keydir, keyfile, fit, image_name,
 				noffset, require_keys ? "image" : NULL,
-				engine_id))
+				engine_id, algo_name))
 		return -1;
 
 	node_name = fit_get_name(fit, noffset, NULL);
@@ -244,7 +247,7 @@ static int fit_image_process_sig(const char *keydir, const char *keyfile,
 	}
 
 	ret = fit_image_write_sig(fit, noffset, value, value_len, comment,
-			NULL, 0, cmdname);
+			NULL, 0, cmdname, algo_name);
 	if (ret) {
 		if (ret == -FDT_ERR_NOSPACE)
 			return -ENOSPC;
@@ -606,7 +609,7 @@ int fit_image_cipher_data(const char *keydir, void *keydest,
 int fit_image_add_verification_data(const char *keydir, const char *keyfile,
 		void *keydest, void *fit, int image_noffset,
 		const char *comment, int require_keys, const char *engine_id,
-		const char *cmdname)
+		const char *cmdname, const char* algo_name)
 {
 	const char *image_name;
 	const void *data;
@@ -643,7 +646,8 @@ int fit_image_add_verification_data(const char *keydir, const char *keyfile,
 				strlen(FIT_SIG_NODENAME))) {
 			ret = fit_image_process_sig(keydir, keyfile, keydest,
 				fit, image_name, noffset, data, size,
-				comment, require_keys, engine_id, cmdname);
+				comment, require_keys, engine_id, cmdname,
+				algo_name);
 		}
 		if (ret)
 			return ret;
@@ -927,7 +931,8 @@ static int fit_config_get_data(void *fit, int conf_noffset, int noffset,
 static int fit_config_process_sig(const char *keydir, const char *keyfile,
 		void *keydest,	void *fit, const char *conf_name,
 		int conf_noffset, int noffset, const char *comment,
-		int require_keys, const char *engine_id, const char *cmdname)
+		int require_keys, const char *engine_id, const char *cmdname,
+		const char *algo_name)
 {
 	struct image_sign_info info;
 	const char *node_name;
@@ -945,7 +950,8 @@ static int fit_config_process_sig(const char *keydir, const char *keyfile,
 		return -1;
 
 	if (fit_image_setup_sig(&info, keydir, keyfile, fit, conf_name, noffset,
-				require_keys ? "conf" : NULL, engine_id))
+				require_keys ? "conf" : NULL, engine_id,
+				algo_name))
 		return -1;
 
 	ret = info.crypto->sign(&info, region, region_count, &value,
@@ -962,7 +968,8 @@ static int fit_config_process_sig(const char *keydir, const char *keyfile,
 	}
 
 	ret = fit_image_write_sig(fit, noffset, value, value_len, comment,
-				region_prop, region_proplen, cmdname);
+				  region_prop, region_proplen, cmdname,
+				  algo_name);
 	if (ret) {
 		if (ret == -FDT_ERR_NOSPACE)
 			return -ENOSPC;
@@ -992,7 +999,7 @@ static int fit_config_process_sig(const char *keydir, const char *keyfile,
 static int fit_config_add_verification_data(const char *keydir,
 		const char *keyfile, void *keydest, void *fit, int conf_noffset,
 		const char *comment, int require_keys, const char *engine_id,
-		const char *cmdname)
+		const char *cmdname, const char *algo_name)
 {
 	const char *conf_name;
 	int noffset;
@@ -1011,7 +1018,7 @@ static int fit_config_add_verification_data(const char *keydir,
 			     strlen(FIT_SIG_NODENAME))) {
 			ret = fit_config_process_sig(keydir, keyfile, keydest,
 				fit, conf_name, conf_noffset, noffset, comment,
-				require_keys, engine_id, cmdname);
+				require_keys, engine_id, cmdname, algo_name);
 		}
 		if (ret)
 			return ret;
@@ -1058,7 +1065,7 @@ int fit_cipher_data(const char *keydir, void *keydest, void *fit,
 int fit_add_verification_data(const char *keydir, const char *keyfile,
 			      void *keydest, void *fit, const char *comment,
 			      int require_keys, const char *engine_id,
-			      const char *cmdname)
+			      const char *cmdname, const char *algo_name)
 {
 	int images_noffset, confs_noffset;
 	int noffset;
@@ -1082,7 +1089,7 @@ int fit_add_verification_data(const char *keydir, const char *keyfile,
 		 */
 		ret = fit_image_add_verification_data(keydir, keyfile, keydest,
 				fit, noffset, comment, require_keys, engine_id,
-				cmdname);
+				cmdname, algo_name);
 		if (ret)
 			return ret;
 	}
@@ -1106,7 +1113,8 @@ int fit_add_verification_data(const char *keydir, const char *keyfile,
 		ret = fit_config_add_verification_data(keydir, keyfile, keydest,
 						       fit, noffset, comment,
 						       require_keys,
-						       engine_id, cmdname);
+						       engine_id, cmdname,
+						       algo_name);
 		if (ret)
 			return ret;
 	}
diff --git a/tools/imagetool.h b/tools/imagetool.h
index 3546f7a671..b7ac3a23d0 100644
--- a/tools/imagetool.h
+++ b/tools/imagetool.h
@@ -69,6 +69,7 @@ struct image_tool_params {
 	const char *keydest;	/* Destination .dtb for public key */
 	const char *keyfile;	/* Filename of private or public key */
 	const char *comment;	/* Comment to add to signature node */
+	const char *algo_name;	/* Algorithm name to use hashing/signing */
 	int require_keys;	/* 1 to mark signing keys as 'required' */
 	int file_size;		/* Total size of output file */
 	int orig_file_size;	/* Original size for file before padding */
diff --git a/tools/mkimage.c b/tools/mkimage.c
index fbe883ce36..0ec28da33c 100644
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -146,7 +146,6 @@ static int add_content(int type, const char *fname)
 	return 0;
 }
 
-#define OPT_STRING "a:A:b:B:c:C:d:D:e:Ef:Fk:i:K:ln:N:p:O:rR:qstT:vVx"
 static void process_args(int argc, char **argv)
 {
 	char *ptr;
@@ -155,7 +154,7 @@ static void process_args(int argc, char **argv)
 	int opt;
 
 	while ((opt = getopt(argc, argv,
-		   "a:A:b:B:c:C:d:D:e:Ef:FG:k:i:K:ln:N:p:O:rR:qstT:vVx")) != -1) {
+		   "a:A:b:B:c:C:d:D:e:Ef:FG:k:i:K:ln:N:p:o:O:rR:qstT:vVx")) != -1) {
 		switch (opt) {
 		case 'a':
 			params.addr = strtoull(optarg, &ptr, 16);
@@ -251,6 +250,9 @@ static void process_args(int argc, char **argv)
 		case 'N':
 			params.engine_id = optarg;
 			break;
+		case 'o':
+			params.algo_name = optarg;
+			break;
 		case 'O':
 			params.os = genimg_get_os_id(optarg);
 			if (params.os < 0) {
@@ -433,11 +435,12 @@ int main(int argc, char **argv)
 				params.cmdname, params.imagefile);
 			exit (EXIT_FAILURE);
 #endif
-		} else if ((unsigned)sbuf.st_size < tparams->header_size) {
+		} else if (sbuf.st_size < (off_t)tparams->header_size) {
 			fprintf (stderr,
-				"%s: Bad size: \"%s\" is not valid image: size %ld < %u\n",
+				"%s: Bad size: \"%s\" is not valid image: size %llu < %u\n",
 				params.cmdname, params.imagefile,
-				sbuf.st_size, tparams->header_size);
+				(unsigned long long) sbuf.st_size,
+				tparams->header_size);
 			exit (EXIT_FAILURE);
 		} else {
 			size = sbuf.st_size;