From: Stephen Warren <swarren@xxxxxxxxxx>
The flashing process resets the U-Boot environment to the built-in
default. Allow the user to specify some non-default values to be set
before saving the environment. This can be useful e.g. to set up the
default boot target:
./tegra-uboot-flasher flash --env boot_targets dhcp beaver
Signed-off-by: Stephen Warren <swarren@xxxxxxxxxx>
---
tegra-uboot-flasher | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tegra-uboot-flasher b/tegra-uboot-flasher
index 06e297730112..bd8af7caa888 100755
--- a/tegra-uboot-flasher
+++ b/tegra-uboot-flasher
@@ -191,6 +191,8 @@ def func_flash():
# Perhaps U-Boot should set $boardname based on the ID EEPROM; then we wouldn't need this
if config['dtbfn-extra'] != '':
bootcmd += 'setenv board ' + boardname + config['dtbfn-extra'] + ' ; '
+ for (var, value) in args.env:
+ bootcmd += 'setenv %s %s ; ' % (var, value)
bootcmd += 'saveenv ; '
# To update the bootloader, reset.
# If wanting to run installer, set installer_args.configname in environment, 'run bootcmd'
@@ -279,6 +281,8 @@ parser_flash.add_argument('--flash-image', type=str,
help='The flash image to write, instead of U-Boot itself')
parser_flash.add_argument('--gen-only', action='store_true',
help='Just create the work-dir; don\'t actually flash the image')
+parser_flash.add_argument('--env', type=str, nargs=2, action='append',
+ help='Set a U-Boot environment variable after flashing')
parser_exec = subparsers.add_parser('exec',
help='Download and execute an unmodified bootloader binary, named ' +
--
1.8.1.5
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