+#define SANDBOX_ETH_SETTINGS "ethaddr=00:00:11:22:33:44\0" \
+ "eth1addr=00:00:11:22:33:45\0" \
+ "eth3addr=00:00:11:22:33:46\0" \
+ "eth5addr=00:00:11:22:33:47\0" \
+ "ipaddr=1.2.3.4\0"
+
+#define MEM_LAYOUT_ENV_SETTINGS \
+ "bootm_size=0x10000000\0" \
+ "kernel_addr_r=0x1000000\0" \
+ "fdt_addr_r=0xc00000\0" \
+ "ramdisk_addr_r=0x2000000\0" \
+ "scriptaddr=0x1000\0" \
+ "pxefile_addr_r=0x2000\0"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ SANDBOX_SERIAL_SETTINGS \
+ SANDBOX_ETH_SETTINGS \
+ BOOTENV \
+ MEM_LAYOUT_ENV_SETTINGS
+