diff --git a/board/compulab/cm_fx6/cm_fx6.c b/board/compulab/cm_fx6/cm_fx6.c
index 28e9a8f..5b88bcc 100644
--- a/board/compulab/cm_fx6/cm_fx6.c
+++ b/board/compulab/cm_fx6/cm_fx6.c
@@ -602,7 +602,7 @@
 	char baseboard_name[16];
 	int err;
 
-	fdt_shrink_to_minimum(blob); /* Make room for new properties */
+	fdt_shrink_to_minimum(blob, 0); /* Make room for new properties */
 
 	/* MAC addr */
 	if (eth_getenv_enetaddr("ethaddr", enetaddr)) {
diff --git a/cmd/fdt.c b/cmd/fdt.c
index 58af772..b503357 100644
--- a/cmd/fdt.c
+++ b/cmd/fdt.c
@@ -662,7 +662,12 @@
 #endif
 	/* resize the fdt */
 	else if (strncmp(argv[1], "re", 2) == 0) {
-		fdt_shrink_to_minimum(working_fdt);
+		uint extrasize;
+		if (argc > 2)
+			extrasize = simple_strtoul(argv[2], NULL, 16);
+		else
+			extrasize = 0;
+		fdt_shrink_to_minimum(working_fdt, extrasize);
 	}
 	else {
 		/* Unrecognized command */
@@ -1056,7 +1061,7 @@
 	"fdt systemsetup                     - Do system-specific set up\n"
 #endif
 	"fdt move   <fdt> <newaddr> <length> - Copy the fdt to <addr> and make it active\n"
-	"fdt resize                          - Resize fdt to size + padding to 4k addr\n"
+	"fdt resize [<extrasize>]            - Resize fdt to size + padding to 4k addr + some optional <extrasize> if needed\n"
 	"fdt print  <path> [<prop>]          - Recursive print starting at <path>\n"
 	"fdt list   <path> [<prop>]          - Print one level starting at <path>\n"
 	"fdt get value <var> <path> <prop>   - Get <property> and store in <var>\n"
diff --git a/common/fdt_support.c b/common/fdt_support.c
index 2020586..0609470 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -523,7 +523,7 @@
 }
 
 /* Resize the fdt to its actual size + a bit of padding */
-int fdt_shrink_to_minimum(void *blob)
+int fdt_shrink_to_minimum(void *blob, uint extrasize)
 {
 	int i;
 	uint64_t addr, size;
@@ -551,6 +551,7 @@
 	actualsize = fdt_off_dt_strings(blob) +
 		fdt_size_dt_strings(blob) + 5 * sizeof(struct fdt_reserve_entry);
 
+	actualsize += extrasize;
 	/* Make it so the fdt ends on a page boundary */
 	actualsize = ALIGN(actualsize + ((uintptr_t)blob & 0xfff), 0x1000);
 	actualsize = actualsize - ((uintptr_t)blob & 0xfff);
diff --git a/common/image-fdt.c b/common/image-fdt.c
index 3d23608..5454227 100644
--- a/common/image-fdt.c
+++ b/common/image-fdt.c
@@ -503,7 +503,7 @@
 		lmb_free(lmb, (phys_addr_t)(u32)(uintptr_t)blob,
 			 (phys_size_t)fdt_totalsize(blob));
 
-	ret = fdt_shrink_to_minimum(blob);
+	ret = fdt_shrink_to_minimum(blob, 0);
 	if (ret < 0)
 		goto err;
 	of_size = ret;
diff --git a/include/fdt_support.h b/include/fdt_support.h
index 8f40231..506bc5a 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -167,7 +167,15 @@
 int ft_system_setup(void *blob, bd_t *bd);
 
 void set_working_fdt_addr(ulong addr);
-int fdt_shrink_to_minimum(void *blob);
+
+/**
+ * shrink down the given blob to minimum size + some extrasize if required
+ *
+ * @param blob		FDT blob to update
+ * @param extrasize	additional bytes needed
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_shrink_to_minimum(void *blob, uint extrasize);
 int fdt_increase_size(void *fdt, int add_len);
 
 int fdt_fixup_nor_flash_size(void *blob);