pico-imx6ul: Convert to distro config

Instead of keeping a custom environment, use a more generic approach
by switching to distro config.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

configs/pico-imx6ul_defconfig

@@ -4,7 +4,9 @@ CONFIG_SYS_TEXT_BASE=0x87800000
 CONFIG_TARGET_PICO_IMX6UL=y
 # CONFIG_CMD_BMODE is not set
 CONFIG_NR_DRAM_BANKS=1
+CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/technexion/pico-imx6ul/imximage.cfg"
+CONFIG_BOOTCOMMAND="run finduuid; run distro_bootcmd"
 CONFIG_BOOTDELAY=3
 CONFIG_SUPPORT_RAW_INITRD=y
 CONFIG_DEFAULT_FDT_FILE="imx6ul-pico-hobbit.dtb"

include/configs/pico-imx6ul.h

@@ -52,65 +52,34 @@
 #define CONFIG_SYS_MMC_IMG_LOAD_PART	1
 
 #define CONFIG_EXTRA_ENV_SETTINGS \
+	"script=boot.scr\0" \
 	"image=zImage\0" \
 	"console=ttymxc5\0" \
 	"fdt_high=0xffffffff\0" \
 	"initrd_high=0xffffffff\0" \
-	"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
 	"fdt_addr=0x83000000\0" \
-	"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
-	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
+	"fdt_addr_r=0x83000000\0" \
+	"kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
+	"pxefile_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
+	"ramdisk_addr_r=0x83000000\0" \
+	"ramdiskaddr=0x83000000\0" \
+	"scriptaddr=" __stringify(CONFIG_LOADADDR) "\0" \
 	"mmcautodetect=yes\0" \
 	CONFIG_DFU_ENV_SETTINGS \
-	"finduuid=part uuid mmc 0:2 uuid\0" \
+	"finduuid=part uuid mmc 0:1 uuid\0" \
 	"partitions=" \
 		"uuid_disk=${uuid_gpt_disk};" \
-		"name=boot,size=16MiB;name=rootfs,size=0,uuid=${uuid_gpt_rootfs}\0" \
-	"setup_emmc=gpt write mmc 0 $partitions; reset;\0" \
-	"mmcargs=setenv bootargs console=${console},${baudrate} " \
-		"root=PARTUUID=${uuid} rootwait rw\0" \
-	"loadimage=load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
-	"loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
-	"mmcboot=echo Booting from mmc ...; " \
-		"run finduuid; " \
-		"run mmcargs; " \
-		"if run loadfdt; then " \
-			"bootz ${loadaddr} - ${fdt_addr}; " \
-		"else " \
-			"echo WARN: Cannot load the DT; " \
-		"fi;\0" \
-	"netargs=setenv bootargs console=${console},${baudrate} " \
-		"root=/dev/nfs " \
-	"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
-		"netboot=echo Booting from net ...; " \
-		"run netargs; " \
-		"if test ${ip_dyn} = yes; then " \
-			"setenv get_cmd dhcp; " \
-		"else " \
-			"setenv get_cmd tftp; " \
-		"fi; " \
-		"${get_cmd} ${image}; " \
-		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
-			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
-				"bootz ${loadaddr} - ${fdt_addr}; " \
-			"else " \
-				"if test ${boot_fdt} = try; then " \
-					"bootz; " \
-				"else " \
-					"echo WARN: Cannot load the DT; " \
-				"fi; " \
-			"fi; " \
-		"else " \
-			"bootz; " \
-		"fi;\0" \
-
-#define CONFIG_BOOTCOMMAND \
-	   "if mmc rescan; then " \
-		   "if run loadimage; then " \
-			   "run mmcboot; " \
-		   "else run netboot; " \
-		   "fi; " \
-	   "else run netboot; fi"
+		"name=rootfs,size=0,uuid=${uuid_gpt_rootfs}\0" \
+	"fastboot_partition_alias_system=rootfs\0" \
+	"setup_emmc=mmc dev 0; gpt write mmc 0 $partitions; reset;\0" \
+	BOOTENV
+
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(DHCP, dhcp, na)
+
+#include <config_distro_bootcmd.h>
 
 #define CONFIG_SYS_MEMTEST_START	0x80000000
 #define CONFIG_SYS_MEMTEST_END		CONFIG_SYS_MEMTEST_START + SZ_128M