treewide: remove references to CREDITS ...

The CREDITS file was removed from barebox in 2015 by commit 6570288f2d97
("Remove the CREDITS file"). Remove references to it from several files.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

treewide: Reuse init_clock() return value for clocksource drivers ...

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

ARM/Samsung: adapt the generic timer driver to support the S3C6410 SoC ...

The S3C64XX SoC has a real 32 bit counter, but almost the same style of
registers. It's enough to change the parameters, to get the routines work on
this SoC.

sha: s5p timer works like s3c64xx, so use #else to cover this.

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

MACH SAMSUNG/S3C: Re-work the S3C family timer driver ...

After separation and after all S3C macros are now present, change the driver
to be more generic for future additions.

The timer registers in the S3C24XX family are only 16 bit wide. But these
registers can be read and written in a 32 bit manner. This is important to share
code with more recent CPUs which comes with 32 bit registers.

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

MACH SAMSUNG/S3C: Rename register macros to reflect the MACH they are valid for ...

Most members of the S3Cxxxx family share similar timer units. But they are
not really register compatible. To reflect this, use a separate name space for
the S3C family.

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

MACH SAMSUNG/S3C: Separate the clocksource for the S3C family ...

This patch just move the clocksource functions out of the generic.c source file
to handle it on a per CPU base later on.

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