common/memtest.c: Do not omit offset of 0 from tests ...

Ommiting offset 0 from address line tests allows certain corner cases
of faults to be undetected.

For the "stuck high" case, consider scenario in which all of the
tested address lines are stuck high. In original code first data
filling loop would execute writing data to a single cell multiple
times and second loop would just read data from that cell over and
over again. Adding a write to start[0] should prevent this since it
would cause the second loop to read incorrect data on its first
iteration.

For the "stuck low" case, having any of the tested bits of the address
shorted would effectively "remap" that memory cell to start[0] in this
case excluding start[0] during the verification phase would result in
a false positive result.

Note that both of the changes are present in Michael Barr's code here:
http://www.esacademy.com/en/library/technical-articles-and-documents/miscellaneous/software-based-memory-testing.html

and the code in barebox is based on that code.

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

common/memtest.c: Fix incorrect array boundary check ...

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

state: backend: support phandle and of_path references ...

This patch improves the backend property, it can be either a phandle or a
of_path. During probe() of the state driver the backend property is
dereferenced and the resulting of_path is saved in the state context. In a
later patch it will be used to generate a phandle reference to the backend
during DT fixup.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

state: add functionality to export state description ...

This patch adds the functionality to export the description of the state, but
not the contents of the variables to a DT node. This will be used in a later
patch to "copy" the state description to the kernel device tree during DT
fixup.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

state: make state_release() non static ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

state: print proper error message, if reg property is not found ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

state: print name of property of size mismatch is detected ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

console: use regular malloc for log messages ...

Using xfunctions to allocate log messages is not a good idea. Should
we be out of memory the xfunctions will panic which will cause another
allocation, so we deadlock the system with no message going out.

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

startup: introduce postenvironment_initcall ...

To allow init code that depends on the environment being loaded.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

state: state_new_from_fdt(): remove unused function ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

state: state_uint32_create: use %u to print unsigned variable ...

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

setenv: Be more informative when device parameter setting fails ...

When setting a device parameter fails not only the error code
is of interest, but also what the parameter name is, what the
device name is and whether a device was found for this name.
Add this information to the error message.

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

timeout: factor out wait-for-key-press loop into separate file ...

This patch factors out the wait-for-key-press loop from the shell command
"timeout" into a sparate file, so that it can be used from C, too.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Merge branch 'for-next/state'

Merge branch 'for-next/crypto'

make PBL_CONSOLE depend on PBL_IMAGE ...

PBL_CONSOLE option is used only for building PBL. See this output:

    barebox$ git grep PBL_CONSOLE
    arch/arm/configs/tx28stk5_defconfig:CONFIG_PBL_CONSOLE=y
    common/Kconfig:config PBL_CONSOLE
    common/Makefile:pbl-$(CONFIG_PBL_CONSOLE)       += memory_display.o
    include/printk.h:       (defined(__PBL__) && defined(CONFIG_PBL_CONSOLE))
    include/stdio.h:        (defined(__PBL__) && defined(CONFIG_PBL_CONSOLE))
    lib/Makefile:pbl-$(CONFIG_PBL_CONSOLE) += vsprintf.o
    pbl/Makefile:pbl-$(CONFIG_PBL_CONSOLE) += console.o

PBL_CONSOLE looks confusing in PBL-less configuration
so it's better to enable it only if PBL is enabled.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

password: add pbkdf2 support ...

We will use random 32 bytes salt and 10000 round to generate a
32 bytes key.

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

command: allow runtime usage ...

This will allow as example to list the currently supported digest.

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

state: add framework for persistent state handling ...

This patch adds a framework to describe, access, store and restore a set of
variables. A state variable set can be fully described in a devicetree node.
This node could be part of the regular devicetree blob or it could be an extra
devicetree solely for the state. The state variable set contains variables of
different types and a place to store the variable set.

For more information see:
    Documentation/devicetree/bindings/barebox/barebox,state.rst

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

password: add support for sha512 ...

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

digest: make it multi-instance ...

Now you need to call digest_alloc and when you finish to use it digest_free.

We need this for upcomming aes encryption support and secure boot
as we will need multiple instance of the same digest.

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

digest: introduce digest_{init/update/final/length} ...

This will allow to move from a one at a time digest to a multi-instance
with too much impact on the code using it

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

digest: move digest.c to crypto ...

with not the rest of the implementation

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

pbl: let pbl-console depend on !CONSOLE_NONE ...

It doesn't make much sense to have a console in the pbl
but not in the main barebox binary.

Fixes:
pbl/console.c:34:5: error: redefinition of 'ctrlc'
include/stdio.h:60:19: note: previous definition of 'ctrlc' was here

pbl/console.c:39:6: error: redefinition of 'console_putc'
include/stdio.h:49:20: note: previous definition of 'console_putc' was here

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Merge branch 'for-next/tegra'

Merge branch 'for-next/misc'

Merge branch 'for-next/arm'

Merge branch 'for-next/am335x'

environment: envfs_{load, save}: add possibility to call with filename and dirname == NULL ...

This patch moves fallback to default into the envfs_{load,save} functions.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

bbu: make bbu confirm a bit more verbose ...

It is a lot more user friendly if we give a bit more feedback.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>