diff --git a/include/asm-ppc/u-boot.h b/include/asm-ppc/u-boot.h
index bd9b6f7..2b31814 100644
--- a/include/asm-ppc/u-boot.h
+++ b/include/asm-ppc/u-boot.h
@@ -74,6 +74,9 @@
 	unsigned long	bi_sccfreq;	/* SCC_CLK Freq, in MHz */
 	unsigned long	bi_vco;		/* VCO Out from PLL, in MHz */
 #endif
+#if defined(CONFIG_MPC512X)
+	unsigned long	bi_ipsfreq;	/* IPS Bus Freq, in MHz */
+#endif /* CONFIG_MPC512X */
 #if defined(CONFIG_MPC5xxx)
 	unsigned long	bi_ipbfreq;	/* IPB Bus Freq, in MHz */
 	unsigned long	bi_pcifreq;	/* PCI Bus Freq, in MHz */