pico-imx7d: Add default DFU targets

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

configs/pico-imx7d_defconfig

@@ -9,6 +9,7 @@ CONFIG_BOOTCOMMAND="run finduuid; run distro_bootcmd"
 # CONFIG_CMD_BOOTD is not set
 # CONFIG_CMD_IMI is not set
 # CONFIG_CMD_XIMG is not set
+CONFIG_CMD_DFU=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
@@ -19,7 +20,7 @@ CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_CMD_MII is not set
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT4_WRITE=y
-# CONFIG_ISO_PARTITION is not set
+CONFIG_DFU_MMC=y
 CONFIG_FSL_ESDHC=y
 CONFIG_PHYLIB=y
 CONFIG_USB=y

include/configs/pico-imx7d.h

@@ -32,6 +32,12 @@
 /* MMC Config */
 #define CONFIG_SYS_FSL_ESDHC_ADDR	0
 
+#define CONFIG_DFU_ENV_SETTINGS \
+	"dfu_alt_info=u-boot raw 0x2 0x400 mmcpart 1;" \
+		"/boot/zImage ext4 0 1;" \
+		"/boot/imx7d-pico-pi.dtb ext4 0 1;" \
+		"rootfs part 0 1\0" \
+
 #define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */
 #define CONFIG_SYS_MMC_IMG_LOAD_PART	1
 
@@ -49,6 +55,7 @@
 	"ramdisk_addr_r=0x83000000\0" \
 	"ramdiskaddr=0x83000000\0" \
 	"scriptaddr=" __stringify(CONFIG_LOADADDR) "\0" \
+	CONFIG_DFU_ENV_SETTINGS \
 	"finduuid=part uuid mmc 0:1 uuid\0" \
 	"partitions=" \
 		"uuid_disk=${uuid_gpt_disk};" \