diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
index 0f73e9c6c6ec8abd525126cb9f9e581d8d885b9b..b5e4070414a243bab25c8f6538b174112f1fea13 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
@@ -1585,8 +1585,8 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts,
 				| ((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 7a8636de166ac4ca6e2c69eda2faa7fc2a65d6f2..c35405dcc9e4e7c96ebc4677256b54a107b20f1f 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/main.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
@@ -504,7 +504,13 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
 				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;
 					}