-#if defined(CFG_LOWBOOT)
-#if defined(CFG_RAMBOOT)
-#error CFG_LOWBOOT is incompatible with CFG_RAMBOOT
-#endif /* CFG_RAMBOOT */
- lis r4, CFG_DEFAULT_MBAR@h
- lis r3, START_REG(CFG_BOOTCS_START)@h
- ori r3, r3, START_REG(CFG_BOOTCS_START)@l
+#if defined(CONFIG_SYS_LOWBOOT)
+# if defined(CONFIG_SYS_RAMBOOT)
+# error CONFIG_SYS_LOWBOOT is incompatible with CONFIG_SYS_RAMBOOT
+# endif /* CONFIG_SYS_RAMBOOT */
+# if defined(CONFIG_MGT5100)
+# error CONFIG_SYS_LOWBOOT is incompatible with MGT5100
+# endif /* CONFIG_MGT5100 */
+ lis r4, CONFIG_SYS_DEFAULT_MBAR@h
+ lis r3, START_REG(CONFIG_SYS_BOOTCS_START)@h
+ ori r3, r3, START_REG(CONFIG_SYS_BOOTCS_START)@l