diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 29a9011..9c892dd 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -88,6 +88,7 @@ static int physmap_flash_probe(struct platform_device *dev)
 	struct physmap_flash_data *physmap_data;
 	struct physmap_flash_info *info;
 	const char **probe_type;
+	void __iomem *virt;
 	int err = 0;
 	int i;
 	int devices_found = 0;
@@ -126,9 +127,9 @@ static int physmap_flash_probe(struct platform_device *dev)
 		info->map[i].set_vpp = physmap_data->set_vpp;
 		info->map[i].pfow_base = physmap_data->pfow_base;
 
-		info->map[i].virt = devm_ioremap(&dev->dev, info->map[i].phys,
+		virt = devm_ioremap(&dev->dev, info->map[i].phys,
 						 info->map[i].size);
-		if (info->map[i].virt == NULL) {
+		if (!virt) {
 			dev_err(&dev->dev, "Failed to ioremap flash region\n");
 			err = EIO;
 			goto err_out;
@@ -137,8 +138,22 @@ static int physmap_flash_probe(struct platform_device *dev)
 		simple_map_init(&info->map[i]);
 
 		probe_type = rom_probe_types;
-		for (; info->mtd[i] == NULL && *probe_type != NULL; probe_type++)
+		for (; info->mtd[i] == NULL && *probe_type != NULL; probe_type++) {
+			info->map[i].phys = dev->resource[i].start;
+			info->map[i].size = dev->resource[i].end -
+					dev->resource[i].start + 1;
+			info->map[i].virt = virt;
+
+			info->mtd[i] = do_map_probe(*probe_type, &info->map[i]);
+
+			while (!info->mtd[i] && physmap_data->top_aligned &&
+					info->map[i].size > 0x40000) {
+				info->map[i].size >>= 1;
+				info->map[i].phys += info->map[i].size;
+				info->map[i].virt += info->map[i].size;
 			info->mtd[i] = do_map_probe(*probe_type, &info->map[i]);
+			}
+		}
 		if (info->mtd[i] == NULL) {
 			dev_err(&dev->dev, "map_probe failed\n");
 			err = -ENXIO;