-#define CONFIG_ENV_IS_IN_FLASH 1
-#define CONFIG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
+#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x070000)
+#define CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_SIZE 0x10000
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+/*
+ * Size of malloc() pool
+ * BZIP2 / LZO / LZMA need a lot of RAM
+ */
+#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)