diff --git a/arch/powerpc/platforms/powernv/opal-fadump.c b/arch/powerpc/platforms/powernv/opal-fadump.c
index b53007e82190ce07ec7128fc254b1b34c1246ceb..a4b96a7a5d6c424ef45a30506558d26bf49baf49 100644
--- a/arch/powerpc/platforms/powernv/opal-fadump.c
+++ b/arch/powerpc/platforms/powernv/opal-fadump.c
@@ -26,6 +26,8 @@ static int opal_fadump_unregister(struct fw_dump *fadump_conf);
 static void opal_fadump_update_config(struct fw_dump *fadump_conf,
 				      const struct opal_fadump_mem_struct *fdm)
 {
+	pr_debug("Boot memory regions count: %d\n", fdm->region_cnt);
+
 	/*
 	 * The destination address of the first boot memory region is the
 	 * destination address of boot memory regions.
@@ -48,16 +50,34 @@ static void opal_fadump_init_metadata(struct opal_fadump_mem_struct *fdm)
 
 static u64 opal_fadump_init_mem_struct(struct fw_dump *fadump_conf)
 {
-	u64 addr = fadump_conf->reserve_dump_area_start;
+	int max_copy_size, cur_size, size;
+	u64 src_addr, dest_addr;
 
 	opal_fdm = __va(fadump_conf->kernel_metadata);
 	opal_fadump_init_metadata(opal_fdm);
 
-	opal_fdm->region_cnt = 1;
-	opal_fdm->rgn[0].src	= 0;
-	opal_fdm->rgn[0].dest	= addr;
-	opal_fdm->rgn[0].size	= fadump_conf->boot_memory_size;
-	addr += fadump_conf->boot_memory_size;
+	/*
+	 * Firmware supports 32-bit field for size. Align it to PAGE_SIZE
+	 * and request firmware to copy multiple kernel boot memory regions.
+	 */
+	max_copy_size = _ALIGN_DOWN(U32_MAX, PAGE_SIZE);
+
+	/* Boot memory regions */
+	src_addr = 0;
+	dest_addr = fadump_conf->reserve_dump_area_start;
+	size = fadump_conf->boot_memory_size;
+	while (size) {
+		cur_size = size > max_copy_size ? max_copy_size : size;
+
+		opal_fdm->rgn[opal_fdm->region_cnt].src  = src_addr;
+		opal_fdm->rgn[opal_fdm->region_cnt].dest = dest_addr;
+		opal_fdm->rgn[opal_fdm->region_cnt].size = cur_size;
+
+		opal_fdm->region_cnt++;
+		dest_addr	+= cur_size;
+		src_addr	+= cur_size;
+		size		-= cur_size;
+	}
 
 	/*
 	 * Kernel metadata is passed to f/w and retrieved in capture kerenl.
@@ -68,7 +88,7 @@ static u64 opal_fadump_init_mem_struct(struct fw_dump *fadump_conf)
 
 	opal_fadump_update_config(fadump_conf, opal_fdm);
 
-	return addr;
+	return dest_addr;
 }
 
 static u64 opal_fadump_get_metadata_size(void)