commit a981f685dc967a11eb1b420f5500fd2b114d615a
author Frank Wunderlich <frank-w@public-files.de> Tue Jan 15 18:49:06 2019 +0100
committer Tom Rini <trini@konsulko.com> Fri Jan 18 09:26:04 2019 -0500
tree b6f9f5a8f84515a7639e6a31762746468d81e3e1
parent 90c7638ab2406a3e224ccb42a04601a4998acbff

adding saveenv-command for bananapi r2

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>

configs/mt7623n_bpir2_defconfig

diff --git a/configs/mt7623n_bpir2_defconfig b/configs/mt7623n_bpir2_defconfig
index 8cb4907..70fb5a1 100644
--- a/configs/mt7623n_bpir2_defconfig
+++ b/configs/mt7623n_bpir2_defconfig
@@ -29,6 +29,7 @@
 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