path: root/recipes-bsp/u-boot/files
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authorStefan Agner <>2016-07-21 18:40:17 -0700
committerDominik Sliwa <>2016-08-17 14:08:52 +0200
commit58b16c6cc543b49b0a02785c6be30adea491e156 (patch)
tree381658c518fa075dcf42102e03c30a4168664bca /recipes-bsp/u-boot/files
parentc5b2d15c129d2ca5114c47b935e0d9fa34995406 (diff)
u-boot-fw-utils: use negative offset for environment
Rely on newly implemented configuration functionality to locate the environment at the end of the boot partition. Signed-off-by: Stefan Agner <> Acked-by: Max Krummenacher <>
Diffstat (limited to 'recipes-bsp/u-boot/files')
1 files changed, 15 insertions, 0 deletions
diff --git a/recipes-bsp/u-boot/files/mx6/fw_env.config b/recipes-bsp/u-boot/files/mx6/fw_env.config
new file mode 100644
index 0000000..731d874
--- /dev/null
+++ b/recipes-bsp/u-boot/files/mx6/fw_env.config
@@ -0,0 +1,15 @@
+# Configuration file for fw_(printenv/setenv) utility.
+# Up to two entries are valid, in this case the redundant
+# environment sector is assumed present.
+# Device offset must be prefixed with 0x to be parsed as a hexadecimal value.
+# On a block device a negative offset is treated as a backwards offset from the
+# end of the device/partition, rather than a forwards offset from the start.
+# Colibri iMX6/Apalis iMX6
+# U-Boot environment is stored at the end of the first eMMC boot partition
+# hence use a negative value. The environment is just in front of the config
+# block which occupies the last sector (hence -0x200)
+# Block device name Device offset Env. size
+/dev/mmcblk0boot0 -0x2200 0x2000