--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -58,6 +58,7 @@ static int bcm47xxpart_parse(struct mtd_
 	int trx_part = -1;
 	int last_trx_part = -1;
 	int max_bytes_to_read = 0x8004;
+	bool found_nvram = false;
 
 	if (blocksize <= 0x10000)
 		blocksize = 0x10000;
@@ -107,6 +108,7 @@ static int bcm47xxpart_parse(struct mtd_
 			bcm47xxpart_add_part(&parts[curr_part++], "nvram",
 					     offset, 0);
 			offset = rounddown(offset, blocksize);
+			found_nvram = true;
 			continue;
 		}
 
@@ -194,6 +196,15 @@ static int bcm47xxpart_parse(struct mtd_
 					       parts[trx_part].offset;
 	}
 
+	if (!found_nvram) {
+		pr_err("can not find a nvram partition reserve last block\n");
+		bcm47xxpart_add_part(&parts[curr_part++], "nvram_guess",
+				     master->size - blocksize, MTD_WRITEABLE);
+		for (i = 0; i < curr_part; i++) {
+			if (parts[i].size + parts[i].offset == master->size)
+				parts[i].offset -= blocksize;
+		}
+	}
 	*pparts = parts;
 	return curr_part;
 };