diff --git a/board/tqm5200/tqm5200.c b/board/tqm5200/tqm5200.c
index 905a04338e..8c3f701d5e 100644
--- a/board/tqm5200/tqm5200.c
+++ b/board/tqm5200/tqm5200.c
@@ -155,10 +155,13 @@ long int initdram (int board_type)
 	*(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001c; /* 512MB */
 
 	/* find RAM size using SDRAM CS1 only */
-	sdram_start(0);
-	test1 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x20000000);
-	sdram_start(1);
-	test2 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x20000000);
+	if (!dramsize)
+		sdram_start(0);
+	test2 = test1 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x20000000);
+	if (!dramsize) {
+		sdram_start(1);
+		test2 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x20000000);
+	}
 	if (test1 > test2) {
 		sdram_start(0);
 		dramsize2 = test1;