diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ddr1_dimm_params.c b/arch/powerpc/cpu/mpc8xxx/ddr/ddr1_dimm_params.c
index 9184764..376be2f 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ddr1_dimm_params.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ddr1_dimm_params.c
@@ -41,7 +41,7 @@ compute_ranksize(unsigned int mem_type, unsigned char row_dens)
 	/* Bottom 2 bits up to the top. */
 	bsize = ((row_dens >> 2) | ((row_dens & 3) << 6));
 	bsize <<= 24ULL;
-	debug("DDR: DDR I rank density = 0x%08x\n", bsize);
+	debug("DDR: DDR I rank density = 0x%16llx\n", bsize);
 
 	return bsize;
 }
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ddr2_dimm_params.c b/arch/powerpc/cpu/mpc8xxx/ddr/ddr2_dimm_params.c
index b565e33..f637f3d 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ddr2_dimm_params.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ddr2_dimm_params.c
@@ -40,7 +40,7 @@ compute_ranksize(unsigned int mem_type, unsigned char row_dens)
 	/* Bottom 5 bits up to the top. */
 	bsize = ((row_dens >> 5) | ((row_dens & 31) << 3));
 	bsize <<= 27ULL;
-	debug("DDR: DDR II rank density = 0x%08x\n", bsize);
+	debug("DDR: DDR II rank density = 0x%16llx\n", bsize);
 
 	return bsize;
 }
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c b/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
index 838cebe..ffb503a 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c
@@ -71,7 +71,7 @@ compute_ranksize(const ddr3_spd_eeprom_t *spd)
 	bsize = 1ULL << (nbit_sdram_cap_bsize - 3
 		    + nbit_primary_bus_width - nbit_sdram_width);
 
-	debug("DDR: DDR III rank density = 0x%16lx\n", bsize);
+	debug("DDR: DDR III rank density = 0x%16llx\n", bsize);
 
 	return bsize;
 }