diff --git a/cpu/mpc512x/cpu.c b/cpu/mpc512x/cpu.c
index 6421a511e423a49fe1d87c60c993c5f252c49e25..bed77acaa93a6a570b527318168a526d33cbcfca 100644
--- a/cpu/mpc512x/cpu.c
+++ b/cpu/mpc512x/cpu.c
@@ -138,11 +138,11 @@ void ft_cpu_setup(void *blob, bd_t *bd)
 
 	do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1);
 	do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
-	do_fixup_by_path_u32(blob, cpu_path, "ref-frequency", CFG_MPC512X_CLKIN, 1);
 	do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
 	do_fixup_by_path_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipsfreq, 1);
-	do_fixup_by_path_u32(blob, "/" OF_SOC, "ref-frequency", CFG_MPC512X_CLKIN, 1);
-	do_fixup_by_path(blob, eth_path, "address", bd->bi_enetaddr, 6, 0);
 	do_fixup_by_path(blob, eth_path, "local-mac-address", bd->bi_enetaddr, 6, 0);
+
+	/* this is so old kernels with old device trees will boot */
+	do_fixup_by_path_u32(blob, "/" OF_SOC_OLD, "bus-frequency", bd->bi_ipsfreq, 0);
 }
 #endif
diff --git a/include/configs/ads5121.h b/include/configs/ads5121.h
index ce458ae5b8789200ebee271ea9c1ded8c7b0f2b0..973f348dd5cf50f5c9cc16325628c1d1b3812090 100644
--- a/include/configs/ads5121.h
+++ b/include/configs/ads5121.h
@@ -415,8 +415,9 @@
 #define CONFIG_OF_BOARD_SETUP	1
 
 #define OF_CPU			"PowerPC,5121@0"
-#define OF_SOC			"soc5121@80000000"
+#define OF_SOC			"soc@80000000"
+#define OF_SOC_OLD		"soc5121@80000000"
 #define OF_TBCLK		(bd->bi_busfreq / 4)
-#define OF_STDOUT_PATH		"/soc5121@80000000/serial@11300"
+#define OF_STDOUT_PATH		"/soc@80000000/serial@11300"
 
 #endif	/* __CONFIG_H */