diff -Nur linux-3.4.112.orig/arch/mips/rb532/devices.c linux-3.4.112/arch/mips/rb532/devices.c
--- linux-3.4.112.orig/arch/mips/rb532/devices.c	2016-04-27 12:55:30.000000000 +0200
+++ linux-3.4.112/arch/mips/rb532/devices.c	2026-04-29 03:51:12.616903447 +0200
@@ -186,7 +186,7 @@
 	{
 		.name = "Routerboard NAND boot",
 		.offset = 0,
-		.size = 4 * 1024 * 1024,
+		.size = 12 * 1024 * 1024,
 	}, {
 		.name = "rootfs",
 		.offset = MTDPART_OFS_NXTBLK,