+/* if no target-specific extra environment settings were defined by the
+ target, define an empty one */
+#ifndef PCM052_EXTRA_ENV_SETTINGS
+#define PCM052_EXTRA_ENV_SETTINGS
+#endif
+
+/* if no target-specific boot command was defined by the target,
+ define an empty one */
+#ifndef PCM052_BOOTCOMMAND
+#define PCM052_BOOTCOMMAND
+#endif
+
+/* if no target-specific extra environment settings were defined by the
+ target, define an empty one */
+#ifndef PCM052_NET_INIT
+#define PCM052_NET_INIT
+#endif
+
+/* boot command, including the target-defined one if any */
+#define CONFIG_BOOTCOMMAND PCM052_BOOTCOMMAND "run bootcmd_nand"
+
+/* Extra env settings (including the target-defined ones if any) */