diff --git a/cpu/mpc5xxx/fec.c b/cpu/mpc5xxx/fec.c
index e3e8065..81b932c 100644
--- a/cpu/mpc5xxx/fec.c
+++ b/cpu/mpc5xxx/fec.c
@@ -397,7 +397,13 @@
 	 */
 	if (fec->xcv_type == SEVENWIRE) {
 		/*  10MBit with 7-wire operation */
+#if defined(CONFIG_TOTAL5200)
+		/* 7-wire and USB2 on Ethernet */
+		*(vu_long *)MPC5XXX_GPS_PORT_CONFIG |= 0x00030000;
+#else	/* !CONFIG_TOTAL5200 */
+		/* 7-wire only */
 		*(vu_long *)MPC5XXX_GPS_PORT_CONFIG |= 0x00020000;
+#endif	/* CONFIG_TOTAL5200 */
 	} else {
 		/* 100MBit with MD operation */
 		*(vu_long *)MPC5XXX_GPS_PORT_CONFIG |= 0x00050000;
@@ -870,6 +876,8 @@
 # else
 	fec->xcv_type = MII10;
 # endif
+#elif defined(CONFIG_TOTAL5200)
+	fec->xcv_type = SEVENWIRE;
 #else
 #error fec->xcv_type not initialized.
 #endif
diff --git a/cpu/mpc5xxx/ide.c b/cpu/mpc5xxx/ide.c
index 1969172..1af794c 100644
--- a/cpu/mpc5xxx/ide.c
+++ b/cpu/mpc5xxx/ide.c
@@ -41,7 +41,13 @@
 	struct mpc5xxx_sdma *psdma = (struct mpc5xxx_sdma *) MPC5XXX_SDMA;
 
 	reg = *(vu_long *) MPC5XXX_GPS_PORT_CONFIG;
+#if defined(CONFIG_TOTAL5200)
+	/* ATA cs0/1 on i2c2 clk/io */
+	reg = (reg & ~0x03000000ul) | 0x02000000ul;
+#else
+	/* ATA cs0/1 on Local Plus cs4/5 */
 	reg = (reg & ~0x03000000ul) | 0x01000000ul;
+#endif	/* CONFIG_TOTAL5200 */
 	*(vu_long *) MPC5XXX_GPS_PORT_CONFIG = reg;
 
 	/* All sample codes do that... */
diff --git a/cpu/mpc5xxx/start.S b/cpu/mpc5xxx/start.S
index 99cad9c..a2ac999 100644
--- a/cpu/mpc5xxx/start.S
+++ b/cpu/mpc5xxx/start.S
@@ -110,6 +110,9 @@
 #if defined(CFG_RAMBOOT)
 #error CFG_LOWBOOT is incompatible with CFG_RAMBOOT
 #endif /* CFG_RAMBOOT */
+#if defined(CFG_LOWBOOT)
+#error CFG_LOWBOOT is incompatible with MGT5100
+#endif /* CFG_LOWBOOT */
 	lis	r4, CFG_DEFAULT_MBAR@h
 	lis	r3,	START_REG(CFG_BOOTCS_START)@h
 	ori	r3, r3, START_REG(CFG_BOOTCS_START)@l