s3c2410_dma_enqueue makes call to kzalloc and dma_pool_alloc with GFP_KERNEL
flag set, this can be an issue for drivers, like I2S, which call
s3c2410_dma_enqueue from dma-bufferdone callback.

Change the flag GFP_KERNEL to GFP_ATOMIC to avoid any problems.
Signed-Off-by: NJassi <jassi.brar@samsung.com>
[ben-linux@fluff.org: Minor description edit and re-wrap]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Provide actual minimum(struct pl080s_lli) size of block to
dma_pool_create call, instead of hardcoded 32 bytes.
Signed-Off-by: NJassi <jassi.brar@samsung.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Correct the lli structure in struct s3c64xx_dma_buff which should
have been 'struct pl080s_lli' (samsung specific) instead of the generic
version 'struct pl080_lli'
Signed-Off-by: NJassi <jassi.brar@samsung.com>
[ben-linux@fluff.org: Edited description and subject fields]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

In s3c64xx_roundrate_clksrc function, the calculation is wrong. This
patch fixes this calculation.
Signed-off-by: NThomas Abraham <thomas.ab@samsung.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

This ensures the clock hierarchy data structures are updated when we
change the clock source in the actual hardware registers.
Signed-off-by: NThomas Abraham <thomas.ab@samsung.com>
[ben-linux@fluff.org: Minor re-indentation of subject]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

In s3c64xx_setrate_clksrc() we used sclk->shift, but actually need to
use sclk->divider_shift to correctly calculate the value for the divider
register.
Signed-off-by: NThomas Abraham <thomas.ab@samsung.com>
[ben-linux@fluff.org: Minor re-indentation of description]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

The show_fiq_list() call in arch/arm/kernel/irq.c currently depends on
CONFIG_ARCH_ACORN, but this is not the only architecture that supports
the usage of FIQ. Change to calling this if CONFIG_FIQ is set (which
is what arch/arm/kernel/fiq.c is built by).
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Currently the S5PC100 does not define S3C_PA_NAND, leaving the NAND device
definitions in arch/arm/plat-s3c/dev-nand.c unbuildable. Add a KConfig
entry to select whether this is built.

As backwards compatibility, both the S3C24XX and S3C64XX define the new
configuration in their main Kconfig files until better support for basing
this selection on a per-machine basis can be sorted out.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

SMDKC100 board support.
The board can be obtained from meritech (http://www.meritech.co.kr)
Signed-off-by: NByungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: fixup subject and description]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

S5PC100 is a new SoC with ARM coretex-A8 and numerous peripherals. This SoC is
successor of S3C64XX. S5PC100 has peripherals which are still similar to S3C
families so some drivers in "arch/arm/plat-s3c" can be shared. S5PC100 specific
drivers will be added in "arch/arm/plat-s5pcxx" or "arch/arm/mach-s5pc100"
Signed-off-by: NByungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: tidy and edit description]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

S5PC100 has 4 PLLs (APLL,MPLL,EPLL,HPLL) and 3 clock domains. Clock scheme is
implemented here.
Signed-off-by: NByungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: edited title]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

S5PC100 has 3 VICs(Vectored Interrupt Controller). The VICs come from S3C64xx
series, so the driver source code can be shared with S3C families. The S5PC100
has 3 VICs while S3C64xx has only 2.
Signed-off-by: NByungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: subject fixup]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

S5PC100 has more GPIO group then previous one. It has 34 groups of GPIO, while
S3C6410 has 17 groups. For now, only header files are written.
Signed-off-by: NByungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: subject fixup]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Signed-off-by: NByungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: subject fixup]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Serial driver of S5PC100 is the same as S3C6400, so S5PC100 shares the serial
driver with S3C6400. Uart driver is copied from plat-s3c64xx to plat-s5pc1xx,
as I do not use plat-s3c64xx directory.
Signed-off-by: NByungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: title fixup]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

S5PC100's the physical IO space starts at 0xe000"0000. To maximize space for
vmalloc, the virtual IO space starts at 0xf400"0000 as same as other samsung
CPUs(s3c24xx and s3c64xx) do.
Signed-off-by: NByungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: subject and description fixup]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add configuration callback for SPI bus 1 on GPD[8..10] and ensure the
correct GPIO configuration register definitions in regs-gpio.h
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Move the definition of the "generic" IRQ in the process.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add support for routing an IRQ from the normal ARM IRQ mechanism to the
FIQ input of the processor.

Note, also fix a bug where the init_FIQ() function has not been called
when CONFIG_FIQ is enabled.

Signed-off-by; Ben Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Allowing us to make the Kconfig a little bit saner.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add proper uartcfg for UART port 2,3 and tidy it up on SMDK6410.
Signed-off-by: NMatt Hsu <matt@0xlab.org>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Make ncp_iodesc struct static to clean a public namespace a bit and move
it to __initdata section to save memory a bit.
Reviewed-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

The s3c64xx devices use the same hardware core as s3c24xx, so move
the timer/pwm handling to plat-s3c so it can be used by both.
Signed-off-by: NPeter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Move the s3c_device_nand platform device from plat-s3c24xx to plat-s3c,
now that the nand driver also support the s3c64xx devices.
Signed-off-by: NPeter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add support for the Airgoo HMT (home media terminal) device.
The HMT is a tablet device with a s3c6410, a 7" LCD and a number
of peripheral connections.

For more details of the hardware specs, see:
http://article.gmane.org/gmane.linux.debian.devel.embedded/4307Signed-off-by: NPeter Korsgaard <jacmet@sunsite.dk>
[ben-linux@fluff.org: subject rewrite]
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add debugfs support for the cpufreq driver to allow
information about the system state to be exported to
the user.
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add documentation for the S3C24XX style CPUFREQ driver.
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add armclk for use with the cpufreq support and anything
else that may want it. This clock is just a direct
descendant of fclk.
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add board support for CPUFREQ with the Simtec BAST board
registering the necessary information with the core.
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add a sysdev S3C2410A sysdev to allow the differentiation
of the S3C2410A from the S3C2410. This is needed for the
CPUFREQ code to enable the extra features and update cpu
specific information.
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Add IO bank timing support for S3C2412/S3C2443.
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

Update the mapping of the memory controler registers and
add the missing definitions of the register block for the
SSMC.

The register contents definitions can be found in the pl093
header.
Signed-off-by: NBen Dooks <ben@simtec.co.uk>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>