diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
index 0f73e9c..b5e4070 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
@@ -1585,8 +1585,8 @@
 				| ((ea & 0xFFF) << 0)	/* ending address MSB */
 				);
 		} else {
-			debug("FSLDDR: setting bnds to 0 for inactive CS\n");
-			ddr->cs[i].bnds = 0;
+			/* setting bnds to 0xffffffff for inactive CS */
+			ddr->cs[i].bnds = 0xffffffff;
 		}
 
 		debug("FSLDDR: cs[%d]_bnds = 0x%08x\n", i, ddr->cs[i].bnds);
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/main.c b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
index 7a8636d..c35405d 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/main.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
@@ -504,7 +504,13 @@
 				fsl_ddr_cfg_regs_t *reg = &ddr_reg[i];
 				if (reg->cs[j].config & 0x80000000) {
 					unsigned int end;
-					end = reg->cs[j].bnds & 0xFFF;
+					/*
+					 * 0xfffffff is a special value we put
+					 * for unused bnds
+					 */
+					if (reg->cs[j].bnds == 0xffffffff)
+						continue;
+					end = reg->cs[j].bnds & 0xffff;
 					if (end > max_end) {
 						max_end = end;
 					}