Signed-off-by: Karsten Merker merker@debian.org --- doc/README.distro | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/doc/README.distro b/doc/README.distro index dd0f1c7..5150eda 100644 --- a/doc/README.distro +++ b/doc/README.distro @@ -1,6 +1,7 @@ /* * (C) Copyright 2014 Red Hat Inc. * Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2015 K. Merker merker@debian.org * * SPDX-License-Identifier: GPL-2.0+ */ @@ -339,3 +340,19 @@ scan_dev_for_scripts:
If you want to disable boot.scr on all disks, set the value to something innocuous, e.g. setenv scan_dev_for_scripts true. + + +Interactively booting from a specific device at the u-boot prompt +================================================================= + +For interactively booting from a user-selected device at the u-boot command +prompt, the environment provides predefined bootcmd_<target> variables for +every target defined in boot_targets, which can be run be the user. + +Examples: + + - run bootcmd_usb0 + boots from the first USB mass storage device + + - run bootcmd_mmc1 + boots from the second MMC device