diff --git a/cpu/mpc512x/fec.c b/cpu/mpc512x/fec.c
index 675b7a2..c226a8a 100644
--- a/cpu/mpc512x/fec.c
+++ b/cpu/mpc512x/fec.c
@@ -299,7 +299,7 @@
 		 * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
 		 * and do not drop the Preamble.
 		 */
-		fec->eth->mii_speed = (((gd->ipb_clk / 1000000) / 5) + 1) << 1;
+		fec->eth->mii_speed = (((gd->ips_clk / 1000000) / 5) + 1) << 1;
 
 		/*
 		 * Reset PHY, then delay 300ns
diff --git a/cpu/mpc512x/i2c.c b/cpu/mpc512x/i2c.c
index 00e28d6..56ba443 100644
--- a/cpu/mpc512x/i2c.c
+++ b/cpu/mpc512x/i2c.c
@@ -236,7 +236,7 @@
 	if (fdr == -1) {
 		ulong best_speed = 0;
 		ulong divider;
-		ulong ipb, scl;
+		ulong ips, scl;
 		ulong bestmatch = 0xffffffffUL;
 		int best_i = 0, best_j = 0, i, j;
 		int SCL_Tap[] = { 9, 10, 12, 15, 5, 6, 7, 8};
@@ -251,18 +251,18 @@
 			{126, 128}
 		};
 
-		ipb = gd->ipb_clk;
+		ips = gd->ips_clk;
 		for (i = 7; i >= 0; i--) {
 			for (j = 7; j >= 0; j--) {
 				scl = 2 * (scltap[j].scl2tap +
 					   (SCL_Tap[i] - 1) * scltap[j].tap2tap
 					   + 2);
-				if (ipb <= speed*scl) {
-					if ((speed*scl - ipb) < bestmatch) {
-						bestmatch = speed*scl - ipb;
+				if (ips <= speed*scl) {
+					if ((speed*scl - ips) < bestmatch) {
+						bestmatch = speed*scl - ips;
 						best_i = i;
 						best_j = j;
-						best_speed = ipb/scl;
+						best_speed = ips/scl;
 					}
 				}
 			}
diff --git a/cpu/mpc512x/serial.c b/cpu/mpc512x/serial.c
index 200ff2c..8a21404 100644
--- a/cpu/mpc512x/serial.c
+++ b/cpu/mpc512x/serial.c
@@ -86,7 +86,7 @@
 	psc->mode = PSC_MODE_1_STOPBIT;
 
 	/* calculate dividor for setting PSC CTUR and CTLR registers */
-	baseclk = (gd->ipb_clk + 8) / 16;
+	baseclk = (gd->ips_clk + 8) / 16;
 	div = (baseclk + (gd->baudrate / 2)) / gd->baudrate;
 
 	psc->ctur = (div >> 8) & 0xff;
diff --git a/cpu/mpc512x/speed.c b/cpu/mpc512x/speed.c
index a609827..99e3495 100644
--- a/cpu/mpc512x/speed.c
+++ b/cpu/mpc512x/speed.c
@@ -96,7 +96,7 @@
 		ips_clk = 0;
 	}
 
-	gd->ipb_clk = ips_clk;
+	gd->ips_clk = ips_clk;
 	gd->csb_clk = csb_clk;
 	gd->cpu_clk = core_clk;
 	gd->bus_clk = csb_clk;
@@ -118,7 +118,7 @@
 	printf ("Clock configuration:\n");
 	printf ("  CPU:                 %4d MHz\n", gd->cpu_clk / 1000000);
 	printf ("  Coherent System Bus: %4d MHz\n", gd->csb_clk / 1000000);
-	printf ("  IPS Bus:             %4d MHz\n", gd->ipb_clk / 1000000);
+	printf ("  IPS Bus:             %4d MHz\n", gd->ips_clk / 1000000);
 	printf ("  DDR:                 %4d MHz\n", 2 * gd->csb_clk / 1000000);
 	return 0;
 }
diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h
index c3b5e82..aa6384c 100644
--- a/include/asm-ppc/global_data.h
+++ b/include/asm-ppc/global_data.h
@@ -99,7 +99,7 @@
 	unsigned long	pci_clk;
 #endif
 #if defined(CONFIG_MPC512X)
-	u32 ipb_clk;
+	u32 ips_clk;
 	u32 csb_clk;
 #endif /* CONFIG_MPC512X */
 #if defined(CONFIG_MPC8220)
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index 6350918..7b95246 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -556,7 +556,7 @@
 	bd->bi_vco     = gd->vco_out;
 #endif /* CONFIG_CPM2 */
 #if defined(CONFIG_MPC512X)
-	bd->bi_ipsfreq = gd->ipb_clk;
+	bd->bi_ipsfreq = gd->ips_clk;
 #endif /* CONFIG_MPC512X */
 #if defined(CONFIG_MPC5xxx)
 	bd->bi_ipbfreq = gd->ipb_clk;