Signed-off-by: Tom Rini <trini@konsulko.com>

The existing distro scripts check extlinux and scripts before EFI. Adjust
the default ordering to do the same, to avoid breaking existing flows.

Add some documentation, mentioning that this order will likely change in
future.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Da Xue <da@libre.computer>

The configuration for EFI is enhanced to start U-Boot at VirtualBox (x86_64)
with all features like booting with help of boot scripts and extended linux.
This documentation describes how to use U-Boot at VirtualBox to boot
Linux systems with a some simple example.

Signed-off-by: Thomas Mittelstaedt <thomas.mittelstaedt@de.bosch.com>

Signed-off-by: Tom Rini <trini@konsulko.com>

The format specifier for the "unsigned int" variable is documented as
"%d". However, it should be "%u". Thus, fix it.

Fixes: f5e9035043fb ("doc: printf() codes")
Reported-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

The usage of proftool in docs is incorrect. If proftool is used without
'-o' argument, it will show the usage like following

$ ./sandbox/tools/proftool -m sandbox/System.map -t trace -f funcgraph dump-ftrace >trace.dat
Must provide trace data, System.map file and output file
Usage: proftool [-cmtv] <cmd> <profdata>

Change '>' to '-o' to fix it.

Signed-off-by: Puhan Zhou <puh4n.zhou@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

- x86: Fixes for distro booting
- x86: Move some boards to text environment

This name is a little confusing since it suggests that it sets up the
sibling block device. In fact it sets up a bootdev for it. Rename the
function to make this clearer.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>

To help guide developers down the right path, begin a document that
lists some best practices to follow when creating a new board port.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

Signed-off-by: Tom Rini <trini@konsulko.com>