board: phycore-imx93: env: Add option to disable bootenv.txt import

Add support for disabling external environment import (bootenv.txt) by
setting the ${no_bootenv} environment variable.

Signed-off-by: Primoz Fiser <primoz.fiser@norik.com>

diff --git a/board/phytec/phycore_imx93/phycore_imx93.env b/board/phytec/phycore_imx93/phycore_imx93.env
index 52c234a..d0694f2 100644 (file)
--- a/board/phytec/phycore_imx93/phycore_imx93.env
+++ b/board/phytec/phycore_imx93/phycore_imx93.env
@@ -20,8 +20,10 @@ loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}
 loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr_r} ${fdtfile}
 mmcboot=
        echo Booting from mmc ...;
-       if run mmc_load_bootenv; then
-               env import -t ${bootenv_addr_r} ${filesize};
+       if test ${no_bootenv} = 0; then
+               if run mmc_load_bootenv; then
+                       env import -t ${bootenv_addr_r} ${filesize};
+               fi;
        fi;
        run mmcargs;
        if run loadfdt; then
@@ -41,8 +43,10 @@ netboot=
        else
                setenv get_cmd tftp;
        fi;
-       if run net_load_bootenv; then
-               env import -t ${bootenv_addr_r} ${filesize};
+       if test ${no_bootenv} = 0; then
+               if run net_load_bootenv; then
+                       env import -t ${bootenv_addr_r} ${filesize};
+               fi;
        fi;
        ${get_cmd} ${loadaddr} ${image};
        if ${get_cmd} ${fdt_addr_r} ${fdtfile}; then