-#define CONFIG_MMC
-#define CONFIG_FSL_ESDHC
-#define CONFIG_SYS_FSL_ESDHC_ADDR 0
-#define CONFIG_SYS_FSL_ESDHC_NUM 1
-
-/*#define CONFIG_ESDHC_DETECT_USE_EXTERN_IRQ1*/
-#define CONFIG_SYS_FSL_ERRATUM_ESDHC135
-#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
-#define CONFIG_SYS_FSL_ERRATUM_ESDHC_A001
-
-#define CONFIG_CMD_MMC
-#define CONFIG_GENERIC_MMC
-#define CONFIG_CMD_FAT
-#define CONFIG_DOS_PARTITION
-
-#define CONFIG_CMD_PING
-#define CONFIG_CMD_DHCP
-#define CONFIG_CMD_MII
-#define CONFIG_FEC_MXC
-#define CONFIG_MII
-#define IMX_FEC_BASE ENET_BASE_ADDR
-#define CONFIG_FEC_XCV_TYPE RMII
-#define CONFIG_FEC_MXC_PHYADDR 0
-#define CONFIG_PHYLIB
-#define CONFIG_PHY_MICREL
-
-/* QSPI Configs*/
-
-#ifdef CONFIG_FSL_QSPI
-#define CONFIG_CMD_SF
-#define CONFIG_SPI_FLASH
-#define FSL_QSPI_FLASH_SIZE (1 << 24)
-#define FSL_QSPI_FLASH_NUM 2
-#define CONFIG_SYS_FSL_QSPI_LE
+/* if no target-specific boot command was defined by the target,
+ define an empty one */
+#ifndef PCM052_BOOTCOMMAND
+#define PCM052_BOOTCOMMAND