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adding saveenv-command for bananapi r2

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bananapi r2 can be booted from sd-card and emmc
saving the environment have to choose the storage
from which the device has booted

also the offset is set to 1MB to make sure env is written
to block "user data area" between uboot and first partition

https://www.fw-web.de/dokuwiki/lib/exe/fetch.php?cache=&media=bpi-r2:boot-structure.png

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
This commit is contained in:
Frank Wunderlich
2019-01-15 18:49:06 +01:00
committed by Tom Rini
parent 5d94158aa9
commit f3af98eca5
3 changed files with 23 additions and 0 deletions
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configs/mt7623n_bpir2_defconfig
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@@ -29,6 +29,7 @@ CONFIG_CMD_FS_GENERIC=y
CONFIG_OF_SEPARATE=y
CONFIG_DEFAULT_DEVICE_TREE="mt7623n-bananapi-bpi-r2"
CONFIG_NET_RANDOM_ETHADDR=y
CONFIG_ENV_IS_IN_MMC=y
CONFIG_REGMAP=y
CONFIG_SYSCON=y
# CONFIG_BLOCK_CACHE is not set