[U-Boot] [RFC PATCH 6/7] Add support for loading environment from uEnv.txt in config_distro_bootcmd.

[Vagrant Cascadian]

Signed-off-by: Vagrant Cascadian <vagrant at debian.org>
---

 include/config_distro_bootcmd.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/include/config_distro_bootcmd.h b/include/config_distro_bootcmd.h
index 2503431..aaa010e 100644
--- a/include/config_distro_bootcmd.h
+++ b/include/config_distro_bootcmd.h
@@ -174,6 +174,7 @@
 	BOOTENV_SHARED_IDE \
 	"boot_prefixes=/ /boot/\0" \
 	"boot_scripts=boot.scr.uimg boot.scr\0" \
+	"boot_uenv_files=uEnv.txt\0" \
 	BOOTENV_BOOT_TARGETS \
 	"boot_partitions="BOOTENV_BOOT_PARTITIONS"\0" \
 	\
@@ -205,6 +206,25 @@
 			"fi; "                                            \
 		"done\0"                                                  \
 	\
+	"import_uenv_file="                                               \
+		"load ${devtype} ${devnum}:${bootpart} "                  \
+			"${scriptaddr} ${prefix}${uenv_file}; "           \
+		"env import -t -r ${scriptaddr} ${filesize}\0; "          \
+		"if test -n $uenvcmd; then "                              \
+			"echo Running uenvcmd ...;"                       \
+			"run uenvcmd;"                                    \
+		"fi;\0"                                                   \
+	\
+	"scan_dev_for_uenv_files="                                        \
+		"for uenv_file in ${boot_uenv_files}; do "                \
+			"if test -e ${devtype} ${devnum}:${bootpart} "    \
+					"${prefix}${uenv_file}; then "    \
+				"echo Found U-boot env file"              \
+					"${prefix}${uenv_file}; "         \
+				"run import_uenv_file; "                  \
+			"fi; "                                            \
+		"done\0"                                                  \
+	\
 	"scan_dev_for_boot="                                              \
 		"for partition in ${boot_partitions}; do "                \
 			"echo Scanning ${devtype} ${devnum}:${partition}...; " \
@@ -212,6 +232,7 @@
 			"for prefix in ${boot_prefixes}; do "             \
 				"run scan_dev_for_extlinux; "             \
 				"run scan_dev_for_scripts; "              \
+				"run scan_dev_for_uenv_files; "           \
 			"done;"                                           \
 		"done\0"                                                  \
 	\
-- 
2.1.0