1 /* load uEnv.txt before boot (copied from U-Boot default config) */ \
2 "loadbootenv_addr=0x2000000\0" \
4 "loadbootenv_impl=${loadcmd} mmc 0 ${loadbootenv_addr} ${bootenv}; setenv loadcmd\0" \
5 "loadbootenv=setenv loadcmd fatload; if env run loadbootenv_impl; then else setenv loadcmd ext2load; env run loadbootenv_impl; fi\0" \
6 "importbootenv=echo Importing environment from SD ...; " "env import -t ${loadbootenv_addr} $filesize\0" \
7 "sd_uEnvtxt_existence_test=test -e mmc 0 /uEnv.txt\0" \
8 "preboot=if env run sd_uEnvtxt_existence_test; " "then if env run loadbootenv; " "then env run importbootenv; " "fi; " "fi; \0" \
9 /* end of custom env */ \