efi_loader: Support loading from El Torito isos

index 2114faf..b7a5381 100644
@@ -58,11 +58,9 @@ int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
 				ppr->stand_ident, dev_desc->devnum, part_num);
 		return (-1);
 	}
-	lastsect= ((ppr->firstsek_LEpathtab1_LE & 0x000000ff)<<24) +
-		  ((ppr->firstsek_LEpathtab1_LE & 0x0000ff00)<< 8) +
-		  ((ppr->firstsek_LEpathtab1_LE & 0x00ff0000)>> 8) +
-		  ((ppr->firstsek_LEpathtab1_LE & 0xff000000)>>24) ;
-	info->blksz=ppr->secsize_BE; /* assuming same block size for all entries */
+	lastsect = le32_to_cpu(ppr->firstsek_LEpathtab1_LE);
+	/* assuming same block size for all entries */
+	info->blksz = be16_to_cpu(ppr->secsize_BE);
 	PRINTF(" Lastsect:%08lx\n",lastsect);
 	for(i=blkaddr;i<lastsect;i++) {
 		PRINTF("Reading block %d\n", i);

@@ -95,7 +93,7 @@ int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
 	chksum=0;
 	chksumbuf = (unsigned short *)tmpbuf;
 	for(i=0;i<0x10;i++)
-		chksum+=((chksumbuf[i] &0xff)<<8)+((chksumbuf[i] &0xff00)>>8);
+		chksum += le16_to_cpu(chksumbuf[i]);
 	if(chksum!=0) {
 		if(verb)
 			printf("** Checksum Error in booting catalog validation entry on %d:%d **\n",

index dace0f8..045784f 100644
@@ -29,8 +29,8 @@ typedef struct iso_pri_rec {
 	char					sysid[32];		/* system Identifier */
 	char					volid[32];		/* volume Identifier */
 	unsigned char zeros1[8];		/* unused */
-	unsigned long volsiz_LE;		/* volume size Little Endian */
-	unsigned long volsiz_BE;		/* volume size Big Endian */
+	unsigned int volsiz_LE;		/* volume size Little Endian */
+	unsigned int volsiz_BE;		/* volume size Big Endian */
 	unsigned char zeros2[32];		/* unused */
 	unsigned short setsize_LE;	/* volume set size LE */
 	unsigned short setsize_BE;	/* volume set size BE */

@@ -38,12 +38,12 @@ typedef struct iso_pri_rec {
 	unsigned short seqnum_BE;		/* volume sequence number BE */
 	unsigned short secsize_LE;	/* sector size LE */
 	unsigned short secsize_BE;	/* sector size BE */
-	unsigned long pathtablen_LE;/* Path Table size LE */
-	unsigned long pathtablen_BE;/* Path Table size BE */
-	unsigned long firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
-	unsigned long firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
-	unsigned long firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
-	unsigned long firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */
+	unsigned int pathtablen_LE;/* Path Table size LE */
+	unsigned int pathtablen_BE;/* Path Table size BE */
+	unsigned int firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
+	unsigned int firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
+	unsigned int firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
+	unsigned int firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */
 	unsigned char rootdir[34];	/* directory record for root dir */
 	char					volsetid[128];/* Volume set identifier */
 	char					pubid[128];		/* Publisher identifier */

@@ -67,8 +67,8 @@ typedef struct iso_sup_rec {
 	char					sysid[32];		/* system Identifier */
 	char					volid[32];		/* volume Identifier */
 	unsigned char zeros1[8];		/* unused */
-	unsigned long volsiz_LE;		/* volume size Little Endian */
-	unsigned long volsiz_BE;		/* volume size Big Endian */
+	unsigned int volsiz_LE;		/* volume size Little Endian */
+	unsigned int volsiz_BE;		/* volume size Big Endian */
 	unsigned char escapeseq[32];/* Escape sequences */
 	unsigned short setsize_LE;	/* volume set size LE */
 	unsigned short setsize_BE;	/* volume set size BE */

@@ -76,12 +76,12 @@ typedef struct iso_sup_rec {
 	unsigned short seqnum_BE;		/* volume sequence number BE */
 	unsigned short secsize_LE;	/* sector size LE */
 	unsigned short secsize_BE;	/* sector size BE */
-	unsigned long pathtablen_LE;/* Path Table size LE */
-	unsigned long pathtablen_BE;/* Path Table size BE */
-	unsigned long firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
-	unsigned long firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
-	unsigned long firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
-	unsigned long firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */
+	unsigned int pathtablen_LE;/* Path Table size LE */
+	unsigned int pathtablen_BE;/* Path Table size BE */
+	unsigned int firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
+	unsigned int firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
+	unsigned int firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
+	unsigned int firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */
 	unsigned char rootdir[34];	/* directory record for root dir */
 	char					volsetid[128];/* Volume set identifier */
 	char					pubid[128];		/* Publisher identifier */

@@ -104,10 +104,10 @@ typedef struct iso_part_rec {
 	unsigned char unused;
 	char					sysid[32];		 /* system Identifier */
 	char					volid[32];		/* volume partition Identifier */
-	unsigned long partloc_LE;		/* volume partition location LE */
-	unsigned long partloc_BE;		/* volume partition location BE */
-	unsigned long partsiz_LE;		/* volume partition size LE */
-	unsigned long partsiz_BE;		/* volume partition size BE */
+	unsigned int partloc_LE;		/* volume partition location LE */
+	unsigned int partloc_BE;		/* volume partition location BE */
+	unsigned int partsiz_LE;		/* volume partition size LE */
+	unsigned int partsiz_BE;		/* volume partition size BE */
 }iso_part_rec_t;
 
 

index b7a5381..5adb349 100644
@@ -115,7 +115,7 @@ int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
 	}
 #endif
 	/* the validation entry seems to be ok, now search the "partition" */
-	entry_num=0;
+	entry_num=1;
 	offset=0x20;
 	strcpy((char *)info->type, "U-Boot");
 	switch(dev_desc->if_type) {

@@ -225,7 +225,7 @@ static int part_test_iso(struct blk_desc *dev_desc)
 {
 	disk_partition_t info;
 
-	return part_get_info_iso_verb(dev_desc, 0, &info, 0);
+	return part_get_info_iso_verb(dev_desc, 1, &info, 1);
 }
 
 U_BOOT_PART_TYPE(iso) = {

index 5adb349..9f5c50c 100644
@@ -26,6 +26,25 @@
 
 static unsigned char tmpbuf[CD_SECTSIZE];
 
+unsigned long iso_dread(struct blk_desc *block_dev, lbaint_t start,
+                        lbaint_t blkcnt, void *buffer)
+{
+	unsigned long ret;
+
+	if (block_dev->blksz == 512) {
+		/* Convert from 2048 to 512 sector size */
+		start *= 4;
+		blkcnt *= 4;
+	}
+
+	ret = blk_dread(block_dev, start, blkcnt, buffer);
+
+	if (block_dev->blksz == 512)
+		ret /= 4;
+
+	return ret;
+}
+
 /* only boot records will be listed as valid partitions */
 int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
 			   disk_partition_t *info, int verb)

@@ -39,12 +58,12 @@ int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
 	iso_val_entry_t *pve = (iso_val_entry_t *)tmpbuf;
 	iso_init_def_entry_t *pide;
 
-	if (dev_desc->blksz != CD_SECTSIZE)
+	if ((dev_desc->blksz != CD_SECTSIZE) && (dev_desc->blksz != 512))
 		return -1;
 
 	/* the first sector (sector 0x10) must be a primary volume desc */
 	blkaddr=PVD_OFFSET;
-	if (blk_dread(dev_desc, PVD_OFFSET, 1, (ulong *)tmpbuf) != 1)
+	if (iso_dread(dev_desc, PVD_OFFSET, 1, (ulong *)tmpbuf) != 1)
 		return -1;
 	if(ppr->desctype!=0x01) {
 		if(verb)

@@ -64,7 +83,7 @@ int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
 	PRINTF(" Lastsect:%08lx\n",lastsect);
 	for(i=blkaddr;i<lastsect;i++) {
 		PRINTF("Reading block %d\n", i);
-		if (blk_dread(dev_desc, i, 1, (ulong *)tmpbuf) != 1)
+		if (iso_dread(dev_desc, i, 1, (ulong *)tmpbuf) != 1)
 			return -1;
 		if(ppr->desctype==0x00)
 			break; /* boot entry found */

@@ -84,7 +103,7 @@ int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
 	}
 	bootaddr = get_unaligned_le32(pbr->pointer);
 	PRINTF(" Boot Entry at: %08lX\n",bootaddr);
-	if (blk_dread(dev_desc, bootaddr, 1, (ulong *)tmpbuf) != 1) {
+	if (iso_dread(dev_desc, bootaddr, 1, (ulong *)tmpbuf) != 1) {
 		if(verb)
 			printf ("** Can't read Boot Entry at %lX on %d:%d **\n",
 				bootaddr, dev_desc->devnum, part_num);

@@ -192,7 +211,14 @@ found:
 	}
 	newblkaddr = get_unaligned_le32(pide->rel_block_addr);
 	info->start=newblkaddr;
-	PRINTF(" part %d found @ %lx size %lx\n",part_num,newblkaddr,info->size);
+
+	if (dev_desc->blksz == 512) {
+		info->size *= 4;
+		info->start *= 4;
+		info->blksz = 512;
+	}
+
+	PRINTF(" part %d found @ %lx size %lx\n",part_num,info->start,info->size);
 	return 0;
 }
 

index aaff947..e30e728 100644
@@ -138,6 +138,52 @@ static const struct efi_block_io block_io_disk_template = {
 	.flush_blocks = &efi_disk_flush_blocks,
 };
 
+static void efi_disk_add_dev(char *name,
+			     const struct block_drvr *cur_drvr,
+			     const struct blk_desc *desc,
+			     int dev_index,
+			     lbaint_t offset)
+{
+	struct efi_disk_obj *diskobj;
+	struct efi_device_path_file_path *dp;
+	int objlen = sizeof(*diskobj) + (sizeof(*dp) * 2);
+
+	diskobj = calloc(1, objlen);
+
+	/* Fill in object data */
+	diskobj->parent.protocols[0].guid = &efi_block_io_guid;
+	diskobj->parent.protocols[0].open = efi_disk_open_block;
+	diskobj->parent.protocols[1].guid = &efi_guid_device_path;
+	diskobj->parent.protocols[1].open = efi_disk_open_dp;
+	diskobj->parent.handle = diskobj;
+	diskobj->ops = block_io_disk_template;
+	diskobj->ifname = cur_drvr->name;
+	diskobj->dev_index = dev_index;
+
+	/* Fill in EFI IO Media info (for read/write callbacks) */
+	diskobj->media.removable_media = desc->removable;
+	diskobj->media.media_present = 1;
+	diskobj->media.block_size = desc->blksz;
+	diskobj->media.io_align = desc->blksz;
+	diskobj->media.last_block = desc->lba;
+	diskobj->ops.media = &diskobj->media;
+
+	/* Fill in device path */
+	dp = (void*)&diskobj[1];
+	diskobj->dp = dp;
+	dp[0].dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE;
+	dp[0].dp.sub_type = DEVICE_PATH_SUB_TYPE_FILE_PATH;
+	dp[0].dp.length = sizeof(*dp);
+	ascii2unicode(dp[0].str, name);
+
+	dp[1].dp.type = DEVICE_PATH_TYPE_END;
+	dp[1].dp.sub_type = DEVICE_PATH_SUB_TYPE_END;
+	dp[1].dp.length = sizeof(*dp);
+
+	/* Hook up to the device list */
+	list_add_tail(&diskobj->parent.link, &efi_obj_list);
+}
+
 /*
  * U-Boot doesn't have a list of all online disk devices. So when running our
  * EFI payload, we scan through all of the potentially available ones and

@@ -156,9 +202,6 @@ int efi_disk_register(void)
 		printf("Scanning disks on %s...\n", cur_drvr->name);
 		for (i = 0; i < 4; i++) {
 			struct blk_desc *desc;
-			struct efi_disk_obj *diskobj;
-			struct efi_device_path_file_path *dp;
-			int objlen = sizeof(*diskobj) + (sizeof(*dp) * 2);
 			char devname[16] = { 0 }; /* dp->str is u16[16] long */
 
 			desc = blk_get_dev(cur_drvr->name, i);

@@ -167,42 +210,9 @@ int efi_disk_register(void)
 			if (desc->type == DEV_TYPE_UNKNOWN)
 				continue;
 
-			diskobj = calloc(1, objlen);
-
-			/* Fill in object data */
-			diskobj->parent.protocols[0].guid = &efi_block_io_guid;
-			diskobj->parent.protocols[0].open = efi_disk_open_block;
-			diskobj->parent.protocols[1].guid = &efi_guid_device_path;
-			diskobj->parent.protocols[1].open = efi_disk_open_dp;
-			diskobj->parent.handle = diskobj;
-			diskobj->ops = block_io_disk_template;
-			diskobj->ifname = cur_drvr->name;
-			diskobj->dev_index = i;
-
-			/* Fill in EFI IO Media info (for read/write callbacks) */
-			diskobj->media.removable_media = desc->removable;
-			diskobj->media.media_present = 1;
-			diskobj->media.block_size = desc->blksz;
-			diskobj->media.io_align = desc->blksz;
-			diskobj->media.last_block = desc->lba;
-			diskobj->ops.media = &diskobj->media;
-
-			/* Fill in device path */
-			dp = (void*)&diskobj[1];
-			diskobj->dp = dp;
-			dp[0].dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE;
-			dp[0].dp.sub_type = DEVICE_PATH_SUB_TYPE_FILE_PATH;
-			dp[0].dp.length = sizeof(*dp);
 			snprintf(devname, sizeof(devname), "%s%d",
 				 cur_drvr->name, i);
-			ascii2unicode(dp[0].str, devname);
-
-			dp[1].dp.type = DEVICE_PATH_TYPE_END;
-			dp[1].dp.sub_type = DEVICE_PATH_SUB_TYPE_END;
-			dp[1].dp.length = sizeof(*dp);
-
-			/* Hook up to the device list */
-			list_add_tail(&diskobj->parent.link, &efi_obj_list);
+			efi_disk_add_dev(devname, cur_drvr, desc, i, 0);
 			disks++;
 		}
 	}

index 3add632..0d09aa1 100644
@@ -194,12 +194,26 @@ U_BOOT_CMD(
 
 void efi_set_bootdev(const char *dev, const char *devnr)
 {
+	__maybe_unused struct blk_desc *desc;
 	char devname[16] = { 0 }; /* dp->str is u16[16] long */
 	char *colon;
 
 	/* Assemble the condensed device name we use in efi_disk.c */
 	snprintf(devname, sizeof(devname), "%s%s", dev, devnr);
 	colon = strchr(devname, ':');
+
+#ifdef CONFIG_ISO_PARTITION
+	/* For ISOs we create partition block devices */
+	desc = blk_get_dev(dev, simple_strtol(devnr, NULL, 10));
+	if (desc && (desc->type != DEV_TYPE_UNKNOWN) &&
+	    (desc->part_type == PART_TYPE_ISO)) {
+		if (!colon)
+			snprintf(devname, sizeof(devname), "%s%s:1", dev,
+				 devnr);
+		colon = NULL;
+	}
+#endif
+
 	if (colon)
 		*colon = '\0';
 

index e30e728..b3d56a8 100644
@@ -27,6 +27,8 @@ struct efi_disk_obj {
 	struct efi_block_io_media media;
 	/* EFI device path to this block device */
 	struct efi_device_path_file_path *dp;
+	/* Offset into disk for simple partitions */
+	lbaint_t offset;
 };
 
 static efi_status_t efi_disk_open_block(void *handle, efi_guid_t *protocol,

@@ -81,6 +83,7 @@ static efi_status_t EFIAPI efi_disk_rw_blocks(struct efi_block_io *this,
 		return EFI_EXIT(EFI_DEVICE_ERROR);
 	blksz = desc->blksz;
 	blocks = buffer_size / blksz;
+	lba += diskobj->offset;
 
 #ifdef DEBUG_EFI
 	printf("EFI: %s:%d blocks=%x lba=%"PRIx64" blksz=%x dir=%d\n", __func__,

@@ -159,6 +162,7 @@ static void efi_disk_add_dev(char *name,
 	diskobj->ops = block_io_disk_template;
 	diskobj->ifname = cur_drvr->name;
 	diskobj->dev_index = dev_index;
+	diskobj->offset = offset;
 
 	/* Fill in EFI IO Media info (for read/write callbacks) */
 	diskobj->media.removable_media = desc->removable;

@@ -184,6 +188,31 @@ static void efi_disk_add_dev(char *name,
 	list_add_tail(&diskobj->parent.link, &efi_obj_list);
 }
 
+static int efi_disk_create_eltorito(struct blk_desc *desc,
+				    const struct block_drvr *cur_drvr,
+				    int diskid)
+{
+	int disks = 0;
+#ifdef CONFIG_ISO_PARTITION
+	char devname[16] = { 0 }; /* dp->str is u16[16] long */
+	disk_partition_t info;
+	int part = 1;
+
+	if (desc->part_type != PART_TYPE_ISO)
+		return 0;
+
+	while (!part_get_info(desc, part, &info)) {
+		snprintf(devname, sizeof(devname), "%s%d:%d", cur_drvr->name,
+			 diskid, part);
+		efi_disk_add_dev(devname, cur_drvr, desc, diskid, info.start);
+		part++;
+		disks++;
+	}
+#endif
+
+	return disks;
+}
+
 /*
  * U-Boot doesn't have a list of all online disk devices. So when running our
  * EFI payload, we scan through all of the potentially available ones and

@@ -214,6 +243,12 @@ int efi_disk_register(void)
 				 cur_drvr->name, i);
 			efi_disk_add_dev(devname, cur_drvr, desc, i, 0);
 			disks++;
+
+			/*
+			 * El Torito images show up as block devices
+			 * in an EFI world, so let's create them here
+			 */
+			disks += efi_disk_create_eltorito(desc, cur_drvr, i);
 		}
 	}
 	printf("Found %d disks\n", disks);

index 0d09aa1..adcf645 100644
@@ -34,17 +34,30 @@ static struct efi_device_path_file_path bootefi_image_path[] = {
 	}
 };
 
+static struct efi_device_path_file_path bootefi_device_path[] = {
+	{
+		.dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE,
+		.dp.sub_type = DEVICE_PATH_SUB_TYPE_FILE_PATH,
+		.dp.length = sizeof(bootefi_image_path[0]),
+		.str = { 'b','o','o','t','e','f','i' },
+	}, {
+		.dp.type = DEVICE_PATH_TYPE_END,
+		.dp.sub_type = DEVICE_PATH_SUB_TYPE_END,
+		.dp.length = sizeof(bootefi_image_path[0]),
+	}
+};
+
 static efi_status_t bootefi_open_dp(void *handle, efi_guid_t *protocol,
 			void **protocol_interface, void *agent_handle,
 			void *controller_handle, uint32_t attributes)
 {
-	*protocol_interface = bootefi_image_path;
+	*protocol_interface = bootefi_device_path;
 	return EFI_SUCCESS;
 }
 
 /* The EFI loaded_image interface for the image executed via "bootefi" */
 static struct efi_loaded_image loaded_image_info = {
-	.device_handle = bootefi_image_path,
+	.device_handle = bootefi_device_path,
 	.file_path = bootefi_image_path,
 };
 

@@ -63,7 +76,7 @@ static struct efi_object loaded_image_info_obj = {
 		{
 			/*
 			 * When asking for the device path interface, return
-			 * bootefi_image_path
+			 * bootefi_device_path
 			 */
 			.guid = &efi_guid_device_path,
 			.open = &bootefi_open_dp,

@@ -73,11 +86,11 @@ static struct efi_object loaded_image_info_obj = {
 
 /* The EFI object struct for the device the "bootefi" image was loaded from */
 static struct efi_object bootefi_device_obj = {
-	.handle = bootefi_image_path,
+	.handle = bootefi_device_path,
 	.protocols = {
 		{
 			/* When asking for the device path interface, return
-			 * bootefi_image_path */
+			 * bootefi_device_path */
 			.guid = &efi_guid_device_path,
 			.open = &bootefi_open_dp,
 		}

@@ -192,7 +205,7 @@ U_BOOT_CMD(
 	bootefi_help_text
 );
 
-void efi_set_bootdev(const char *dev, const char *devnr)
+void efi_set_bootdev(const char *dev, const char *devnr, const char *path)
 {
 	__maybe_unused struct blk_desc *desc;
 	char devname[16] = { 0 }; /* dp->str is u16[16] long */

@@ -217,7 +230,12 @@ void efi_set_bootdev(const char *dev, const char *devnr)
 	if (colon)
 		*colon = '\0';
 
-	/* Patch the bootefi_image_path to the target device */
+	/* Patch bootefi_device_path to the target device */
+	memset(bootefi_device_path[0].str, 0, sizeof(bootefi_device_path[0].str));
+	ascii2unicode(bootefi_device_path[0].str, devname);
+
+	/* Patch bootefi_image_path to the target file path */
 	memset(bootefi_image_path[0].str, 0, sizeof(bootefi_image_path[0].str));
+	snprintf(devname, sizeof(devname), "%s", path);
 	ascii2unicode(bootefi_image_path[0].str, devname);
 }

index be8f289..abfe5be 100644
@@ -27,7 +27,8 @@ U_BOOT_CMD(
 static int do_load_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
 				char * const argv[])
 {
-	efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "");
+	efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "",
+			(argc > 4) ? argv[4] : "");
 	return do_load(cmdtp, flag, argc, argv, FS_TYPE_ANY);
 }
 

index 9f61fc4..88b8149 100644
@@ -112,7 +112,7 @@ efi_status_t efi_exit_func(efi_status_t ret);
 /* Call this to relocate the runtime section to an address space */
 void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map);
 /* Call this to set the current device name */
-void efi_set_bootdev(const char *dev, const char *devnr);
+void efi_set_bootdev(const char *dev, const char *devnr, const char *path);
 
 /* Generic EFI memory allocator, call this to get memory */
 void *efi_alloc(uint64_t len, int memory_type);

@@ -155,6 +155,7 @@ static inline void ascii2unicode(u16 *unicode, char *ascii)
 
 /* No loader configured, stub out EFI_ENTRY */
 static inline void efi_restore_gd(void) { }
-static inline void efi_set_bootdev(const char *dev, const char *devnr) { }
+static inline void efi_set_bootdev(const char *dev, const char *devnr,
+				   const char *path) { }
 
 #endif

index adcf645..f502996 100644
@@ -208,7 +208,7 @@ U_BOOT_CMD(
 void efi_set_bootdev(const char *dev, const char *devnr, const char *path)
 {
 	__maybe_unused struct blk_desc *desc;
-	char devname[16] = { 0 }; /* dp->str is u16[16] long */
+	char devname[32] = { 0 }; /* dp->str is u16[32] long */
 	char *colon;
 
 	/* Assemble the condensed device name we use in efi_disk.c */

index 6960448..51d7586 100644
@@ -259,7 +259,7 @@ struct efi_device_path {
 
 struct efi_device_path_file_path {
 	struct efi_device_path dp;
-	u16 str[16];
+	u16 str[32];
 };
 
 #define BLOCK_IO_GUID \

index b3d56a8..28e5b7f 100644
@@ -194,7 +194,7 @@ static int efi_disk_create_eltorito(struct blk_desc *desc,
 {
 	int disks = 0;
 #ifdef CONFIG_ISO_PARTITION
-	char devname[16] = { 0 }; /* dp->str is u16[16] long */
+	char devname[32] = { 0 }; /* dp->str is u16[32] long */
 	disk_partition_t info;
 	int part = 1;
 

@@ -231,7 +231,7 @@ int efi_disk_register(void)
 		printf("Scanning disks on %s...\n", cur_drvr->name);
 		for (i = 0; i < 4; i++) {
 			struct blk_desc *desc;
-			char devname[16] = { 0 }; /* dp->str is u16[16] long */
+			char devname[32] = { 0 }; /* dp->str is u16[32] long */
 
 			desc = blk_get_dev(cur_drvr->name, i);
 			if (!desc)

index 2ba7cf4..076be4d 100644
@@ -62,6 +62,7 @@
 #define CONFIG_MENU
 #define CONFIG_DOS_PARTITION
 #define CONFIG_EFI_PARTITION
+#define CONFIG_ISO_PARTITION
 #define CONFIG_SUPPORT_RAW_INITRD
 #define CONFIG_SYS_HUSH_PARSER