diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
index bf5a6f2..242eb47 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
@@ -364,7 +364,7 @@
 
 	ddr->timing_cfg_3 = (0
 		| ((ext_pretoact & 0x1) << 28)
-		| ((ext_acttopre & 0x2) << 24)
+		| ((ext_acttopre & 0x3) << 24)
 		| ((ext_acttorw & 0x1) << 22)
 		| ((ext_refrec & 0x1F) << 16)
 		| ((ext_caslat & 0x3) << 12)