diff --git a/cpu/mpc512x/cpu.c b/cpu/mpc512x/cpu.c
index 9b59738..b9069b0 100644
--- a/cpu/mpc512x/cpu.c
+++ b/cpu/mpc512x/cpu.c
@@ -45,7 +45,7 @@
 	ulong clock = gd->cpu_clk;
 	u32 pvr = get_pvr ();
 	u32 spridr = immr->sysconf.spridr;
-	char buf[32];
+	char buf1[32], buf2[32];
 
 	puts ("CPU:   ");
 
@@ -65,8 +65,9 @@
 	default:
 		puts ("unknown ");
 	}
-	printf ("at %s MHz, CSB at %3d MHz\n", strmhz(buf, clock),
-		gd->csb_clk / 1000000);
+	printf ("at %s MHz, CSB at %s MHz\n",
+		strmhz(buf1, clock),
+		strmhz(buf2, gd->csb_clk) );
 	return 0;
 }
 
diff --git a/cpu/mpc512x/speed.c b/cpu/mpc512x/speed.c
index baf6215..542bf21 100644
--- a/cpu/mpc512x/speed.c
+++ b/cpu/mpc512x/speed.c
@@ -125,12 +125,14 @@
 
 int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 {
+	char buf[32];
+
 	printf("Clock configuration:\n");
-	printf("  CPU:                 %4ld MHz\n", gd->cpu_clk / 1000000);
-	printf("  Coherent System Bus: %4d MHz\n", gd->csb_clk / 1000000);
-	printf("  IPS Bus:             %4d MHz\n", gd->ips_clk / 1000000);
-	printf("  PCI:                 %4d MHz\n", gd->pci_clk / 1000000);
-	printf("  DDR:                 %4d MHz\n", 2 * gd->csb_clk / 1000000);
+	printf("  CPU:                 %-4s MHz\n", strmhz(buf, gd->cpu_clk));
+	printf("  Coherent System Bus: %-4s MHz\n", strmhz(buf, gd->csb_clk));
+	printf("  IPS Bus:             %-4s MHz\n", strmhz(buf, gd->ips_clk));
+	printf("  PCI:                 %-4s MHz\n", strmhz(buf, gd->pci_clk));
+	printf("  DDR:                 %-4s MHz\n", strmhz(buf, 2*gd->csb_clk));
 	return 0;
 }