imd: fix missing error message ...

imd -t just returns 'imd: error 61', if there is not tag for <type>

reference: common/imd.c:357 if (!imd) { ...
Signed-off-by: Thorsten K. Scherer <t.scherer@eckelmann.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Use globalvar_add_simple_string for model and hostname ...

Simplify the code by using globalvar_add_simple_string(), no functional
change intended.

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

of: base: use root_node compatible as suggestion for a hostname ...

on some SoCs we can use generic PLL and RAM initialization. In this
cases we create board file only to provide a host name.
With this patch host name will be created from device tree compatible.
For example:
 compatible = "board_vendor,board", "chip_vendor,soc"
the host name will be:
 "board"

This function will not overwrite a host name which is already set by
board or machine code.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

errno: Include string for ELOOP ...

Needed for printing a correct error message when symbolic link
loops are encountered.

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

common: Add EPROBE_DEFER to strerror ...

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

ARM: Remove do_execute and thumb2_execute ...

In commit 104a6a7 support was added
for Thumb2.  It added do_execute() as a way to provide arch dependent
calling veneers for use in "go" and thumb2_execute() as the thumb2 to
arm veneer.

But thumb2_execute() isn't necessary as gcc generates a proper calling
sequence from a standard function pointer call.  Thumb2 barebox is
compiled with the AAPCS ABI which requires this.

It also had a bug and didn't pass the arguments properly, but code
execute via "go" rarely uses arguments so this wasn't very noticeable.

Since thumb2 was always the only user of do_execute(), go ahead and
delete that too.

Signed-off-by: Trent Piepho <tpiepho@kymetacorp.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

restart: replace reset_cpu with registered restart handlers ...

This replaces the reset_cpu() function which every SoC or board must
provide with registered handlers. This makes it possible to have multiple
reset functions for boards which have multiple ways to reset the machine.
Also boards which have no way at all to reset the machine no longer
have to provide a dummy reset_cpu() function.

The problem this solves is that some machines have external PMICs or
similar to reset the system which have to be preferred over the
internal SoC reset, because the PMIC can reset not only the SoC but also
the external devices.

To pick the right way to reset a machine each handler has a priority. The
default priority is 100 and all currently existing restart handlers are
registered with this priority. of_get_restart_priority() allows to retrieve
the priority from the device tree which makes it possible for boards to
give certain restart handlers a higher priority in order to use this one
instead of the default one.

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

printf: move panic() to common/misc.c ...

panic() is not really a printf like function, so move it to common/misc.c.
This is done because we want to have printf support in the PBL, but PBL
has it's own panic() implementation.

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

treewide: Add missing includes ...

A lot of files rely on include/driver.h including include/of.h (and
this including include/errno.h. include the files explicitly so we can
eventually get rid of including of.h from driver.h

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

export model as globalvar ...

The model string is valuable information. Make it available to scripts
with a globalvar.

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

Set model and hostname at boardlevel ...

With multiboard support the compiletime generated BOARDINFO string
gets more and more meaningless. This removes it from Kconfig and
replaces it with a variable that can be set at boardlevel.

Also many boards have a standard setting for the hostname in the
environment. This patch also moves the standard to C code by calling
barebox_set_hostname().

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

Make hostname available to C Code ...

The boards often have a sane default for the hostname. Provide a C
function for setting/getting it.

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

introduce barebox_set_model ...

Instead of calling of_get_model() in barebox_get_model() add a
barebox_set_model() and use it to set the boardinfo once it's
available from the devicetree.

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

remove remaining references of CONFIG_BOARDINFO ...

With this all code uses barebox_get_model() and no longer
a compile time generated string.

Also this renames barebox_boardinfo() to barebox_get_model()
since we are going to add the corresponding _set_ function
and 'model' corresponds to the devicetree notion.

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

add function to get boardinfo string ...

When using devicetrees the boardinfo (or model) can be obtained
from the devicetree. Add a function to get the boardinfo so that
we have a chance to add information from the devicetree.

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

Treewide: remove address of the Free Software Foundation ...

The FSF address has changed in the past. Instead of updating it
each time the address changes, just drop it completely treewide.

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

Make errno a positive value ...

Normally errno contains a positive error value. A certain unnamed developer
mixed this up while implementing U-Boot-v2. Also, normally errno is never
set to zero by any library function.
This patch fixes this.

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

ARM: Allow to compile in thumb-2 mode ...

This shrinks the resulting binary size by ~25%. Exceptions
are still handled in arm mode, so we have to explicitely
put .arm directives into the exception code. Thumb-2 mode
has been tested on i.MX51 Babbage board.

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

add string for -ETIMEDOUT ...

-ETIMEDOUT is a common error value, so print the string rather
than just the number.

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

errno: add strings for network related error messages ...

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

Combine memory initialization with the main memory functions. ...

Memory allocation is very simple in u-boot-v2. So, it makes also sense to
add the "operating system" emulation layer into the main memory management
source file, to keep them at one place and simple.

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

add strerror function ...

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

fix errno_str without text error messages ...

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

Print error number ...

When we do not have the appropriate error string compiled in, print
at least the number

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

[general] Fixed crash in memory allocator ...

Fixed a bug in sbrk(). When the new mem_brk value returned by
sbrk_no_zero() returns NULL to indicate 'out of memory', sbrk()
still memset()s innocent memory at address NULL.

For some architectures this memory might be empty, so this never
causes a problem. Anyway on Coldfire I still have my vector table
there. Nuking them isn't really a good idea :-)

Signed-off-by: Carsten Schlote <c.schlote@konzeptpark.de>

export symbols

export functions

display malloc space on startup

svn_rev_706 ...

add file headers

svn_rev_653 ...

restructure tree, add reginfo command