This patch introduces common.[ch] which are used only in the
arch/arm/mach-s3c64xx/ directory. The common.c file merges
the cpu.c, irq.c and irq-eint.c which are used commonly on
S3C64XX SoCs and the common.h file replaces with plat/s3c6400.h
and plat/s3c6410.h files.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

Use irq_set_chip_and_handler() instead. Converted with coccinelle.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

Reorder 
irq_set_chip()
irq_set_chip_data()
irq_set_handler()

to

irq_set_chip()
irq_set_handler()
irq_set_chip_data()

so the next patch can combine irq_set_chip() and irq_set_handler() to
irq_set_chip_and_handler().

Automated conversion with coccinelle.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

Convert to the new function names. Automated with coccinelle.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

This makes all the functions that use the shift slightly smaller, one
instruction in most cases but more for ack() and maskack().
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Kernel 2.6.37 adds new interrupt methods which take a struct irq_data
rather than an irq number. Conver S3C64xx irq-eint to use this with a
simple textual substitution.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Kernel 2.6.37 adds new interrupt methods which take a struct irq_data
rather than an irq number. Begin converting Samsung platforms over to
these methods by converting s3c_irqext_wake() with a simple textual
substitution.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Move IRQ support to mach-s3c64xx as it is unlikely to be re-used outside
this machine.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Move the register and GPIO definition files from plat-s3c64xx into the
machine include direcotry as they are unlikely to be reused outside
mach-s3c64xx.

This move includes removing the empty <mach/regs-clock.h> and replacing
it with the <plat/regs-clock.h> implementation.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Signed-off-by: NMaurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add the initial support for the S3C64XX based systems to use
suspend-to-RAM to sleep.

Includes basic debugging for use with the SMDK6410 usign the
LEDs on the baseboard.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add definitions for the EINT group registers and move the EINT IRQ
register definitions out of arch/arm/plat-s3c64xx/irq-eint.c so that
they are available for re-use with PM and the other code.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

It's an initcall and does not need to be exported.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Set the GPIO pin mode to external interrupt when configuring
an IRQ_EINT's IRQ type.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Currently the unmask function for EINT interrupts was setting the mask
bit rather than clearing it.  This was also previously reported and
fixed by Kyungmin Park <kyungmin.park@samsung.com> and others.
Acked-By: NBen Dooks <ben-linux@fluff.org>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

Select the correct EINT configuration register when configuring
the external interrupt level/edge type.
Signed-off-by: NMatt Hsu <matt_hsu@openmoko.org>
[ben-linux@fluff.org: description improvement]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add the necessary code to support IRQ_EINT(x) on
the S3C64XX series of CPUs.

Note, since there is no GPIO configuration support
in the kernel, the irq set_type method does not
configure the relevant pin to interrupt.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>