-/* allow to overwrite serial and ethaddr */
-#define CONFIG_ENV_OVERWRITE
-#define CONFIG_CONS_INDEX 1
-#define CONFIG_BAUDRATE 115200
-
-/* Command definition */
-#include <config_cmd_default.h>
-
-#undef CONFIG_CMD_IMLS
-
-#define CONFIG_BOOTDELAY 3
-
-#define CONFIG_LOADADDR 0x80800000
-#define CONFIG_SYS_TEXT_BASE 0x87800000
+#ifdef CONFIG_IMX_BOOTAUX
+/* Set to QSPI2 B flash at default */
+#define CONFIG_SYS_AUXCORE_BOOTDATA 0x78000000
+
+#define UPDATE_M4_ENV \
+ "m4image=m4_qspi.bin\0" \
+ "loadm4image=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${m4image}\0" \
+ "update_m4_from_sd=" \
+ "if sf probe 1:0; then " \
+ "if run loadm4image; then " \
+ "setexpr fw_sz ${filesize} + 0xffff; " \
+ "setexpr fw_sz ${fw_sz} / 0x10000; " \
+ "setexpr fw_sz ${fw_sz} * 0x10000; " \
+ "sf erase 0x0 ${fw_sz}; " \
+ "sf write ${loadaddr} 0x0 ${filesize}; " \
+ "fi; " \
+ "fi\0" \
+ "m4boot=sf probe 1:0; bootaux "__stringify(CONFIG_SYS_AUXCORE_BOOTDATA)"\0"
+#else
+#define UPDATE_M4_ENV ""
+#endif