environment: make default env path configurable ...

Normally the default path to save the environment is /dev/env0. However,
we can't map a file in a fat filesystem to /dev/env0. So if we want to
store the environment in a file in fat we have to make it configurable.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

make command support optional ...

In a noninveractive environment we do not need commands. So make
them optional.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

startup: we can only mount root and devfs when compiled in ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

startup: make debug printing of linker variables work again ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Silence few warnings. ...

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

driver: use id as -1 for auto assigned id ...

before if you specify id = 0 the next available id will be taken
otherwise fail if already registered now as in linux we use -1

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

move barebox_default_env.h to include/generated/ ...

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

introduce a arch_shutdown call and call it from shutdown_barebox ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

make panic and hang __noreturn functions ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

rename U-Boot-v2 project to barebox ...

This has been done with the following script:

find -path ./.git -prune -o -type f -print0 | xargs -0 -r sed -i \
	-e 's/u2boot/barebox/g' \
	-e 's/U2Boot/barebox/g' \
	-e 's/U-boot V2/barebox/g' \
	-e 's/u-boot v2/barebox/g' \
	-e 's/U-Boot V2/barebox/g' \
	-e 's/U-Boot-v2/barebox/g' \
	-e 's/U_BOOT/BAREBOX/g' \
	-e 's/UBOOT/BAREBOX/g' \
	-e 's/uboot/barebox/g' \
	-e 's/u-boot/barebox/g' \
	-e 's/u_boot/barebox/g' \
	-e 's/U-Boot/barebox/g' \
	-e 's/U-boot/barebox/g' \
	-e 's/U-BOOT/barebox/g'

find -path ./.git -prune -o \( -name "*u-boot*" -o -name "*uboot*" -o -name "*u_boot*" \) -print0 | \
	xargs -0 -r rename 's/u[-_]?boot/barebox/'

It needs some manual fixup following in the next patch

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Improve or fix various parameter documentation ...

Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>

move some init work into initcalls ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

introduce cdev ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Shutdown U-Boot before starting an OS ...

Some devices, especially the ones doing DMA should be disabled before
giving control to an OS. We take the simple approach here: Just shutdown
the devices in the reverse order they were activated.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arm: dump stack space on startup ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Make the early console device/baudrate configurable instead of using ...

hardcoded values

enabling envrionment's autoload at startup ...

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>

Move display_banner() to console.c. This helps us to show ...

the banner as first message.

add missing whitespace in printf output

indention

display malloc space on startup

execute /env/bin/init instead of /env/init

- teach hush to honour PATH variable ...

- remove common/main.c. This is now handled in the different shells.

whitespace cleanup

add default environment

further reloc fixes

add whitespace in banner string

print u-boot bss info only for debug case

CONFIG_ARCH_HAS_RELOC -> CONFIG_HAS_EARLY_INIT

add early_init()