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In the S3C2412 fclk is derived from msysclk, not straight from
the MPLL output. Set clk_f.parent appropriately.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The msysclk clock was checking for the wrong PLL for the
parent in s3c2412_setparent_msysclk(), trying the UPLL instead
of the MPLL output.
Also ensure the mpll and fclks are at the same rate at init time.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The current S3C24XX DMA code does not allow for an peripheral
that has one channel for RX and another for TX.
This patch adds a per-cpu dma operation to select the transmit
or receive channel, and adds support to the S3C2412 for the
seperate DMA channels for TX and RX.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add s3c2412_gpio_set_sleepcfg() to allow the setting of the sleep
configuration of the GPIO blocks.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add armclk to the S3C2412 to indicate the current clock connected to
the ARM core.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Check if the sleep command returns due to a pending interrupt
in the standby unit. If this happens, try and ack the IRQ
before re-trying the resume.
It is currently unclear whether the resume can be backed out
of at this stage as this could cause a problem with level
based interrupts.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Ensure that if the RTC IRQ is not selected for wake in the
base configuration, then the PWRCFG has the same value set
in it.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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S3C2412_GPESLPCON does not exist in the register
mappings, so remove it.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The IIS and SDI register hw_addr definitions are
incorrect in the DMA map for the S3C2412.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The S3C2412 GPIO is similar enough to the S3C2410 that
it can use it as a base for GPIO functionality.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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All kobjects require a dynamically allocated name now. We no longer
need to keep track if the name is statically assigned, we can just
unconditionally free() all kobject names on cleanup.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix the various misspellings of "system", controller", "interrupt" and
"[un]necessary".
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Fix the IRQ numbers of the CF and SDI interface on the S3C2412
and S3C2413. Add support to handle these IRQs properly and
ensure that the SDI controller platform device is correctly
renumbered.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch removes section mismatches related to DMA functions.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move register and other definitions out of the
include/asm-arm/arch-s3c2410 into the the arch
directories of include/asm-arm/plat-s3c24xx and
include/asm-arm/plat-s3c.
This move is in preperation of the merging of
s3c2400 and s3c6400.
The following git mv commands are needed before
this patch can be applied:
git mv include/asm-arm/arch-s3c2410/regs-ac97.h include/asm-arm/plat-s3c/regs-ac97.h
git mv include/asm-arm/arch-s3c2410/regs-adc.h include/asm-arm/plat-s3c/regs-adc.h
git mv include/asm-arm/arch-s3c2410/regs-iis.h include/asm-arm/plat-s3c24xx/regs-iis.h
git mv include/asm-arm/arch-s3c2410/regs-spi.h include/asm-arm/plat-s3c24xx/regs-spi.h
git mv include/asm-arm/arch-s3c2410/regs-udc.h include/asm-arm/plat-s3c24xx/regs-udc.h
git mv include/asm-arm/arch-s3c2410/udc.h include/asm-arm/plat-s3c24xx/udc.h
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove the static maps for the LCD and USB devices.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Update the Kconfig to create configuration options based on which
CPUs are supported for the low level serial code. This means that
the debug macros can be optimised for the type(s) of CPU that are
being used.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch moves items of the s3c24xx support into
a new plat-s3c directory for items that use the
s3c24xx support but are not directly s3c24xx
compatible, such as the s3c2400 and s3c6400.
git mv commands:
git mv include/asm-arm/arch-s3c2410/iic.h include/asm-arm/plat-s3c/iic.h
git mv include/asm-arm/arch-s3c2410/nand.h include/asm-arm/plat-s3c/nand.h
git mv include/asm-arm/arch-s3c2410/regs-iic.h include/asm-arm/plat-s3c/regs-iic.h
git mv include/asm-arm/arch-s3c2410/regs-nand.h include/asm-arm/plat-s3c/regs-nand.h
git mv include/asm-arm/arch-s3c2410/regs-rtc.h include/asm-arm/plat-s3c/regs-rtc.h
git mv include/asm-arm/arch-s3c2410/regs-serial.h include/asm-arm/plat-s3c/regs-serial.h
git mv include/asm-arm/arch-s3c2410/regs-timer.h include/asm-arm/plat-s3c/regs-timer.h
git mv include/asm-arm/arch-s3c2410/regs-watchdog.h include/asm-arm/plat-s3c/regs-watchdog.h
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The S3C2412 has an reset-errata where the clock
may cause a glitch switching back to EXTCLK. We
force a switch to EXTCLK before writing the
reset register to force use of the CLKCON sync
logic to properly switch.
Fix problem reported by Matthieu Castet.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Change the SPI Channel 1 register offset in s3c_spi1_resource[], and
s3c2412_dma_mappings[]. Offset has to be 0x100 in s3c2412/13's case.
Also, total SPI memory resource size changed to 0x24 for s3c2412/13.
Signed-off-by: Sandeep Patil <psandeep.s@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add Kconfig entry for SMDK2412 to go with the SMDK2413
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove the use of struct s3c24xx_board as
this is just as easily done by using the
platform device registration functions to
make the initialisation sequence easier.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Lots of places in arch/arm were needlessly including linux/ptrace.h,
resumably because we used to pass a struct pt_regs to interrupt
handlers. Now that we don't, all these ptrace.h includes are
redundant.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch gets the DMA system for the S3C24XX
ready for the S3C2443, which requires 6 dma channels
at a different stride, and different base IRQ.
The DMA system is now initialised from the same
drivers which apply the DMA mappings, as well
as removing the DMA sysdev intialisation out of
the main init code (which is now being called
from a sysdev probe, so cannot add a new sysdev)
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Update the Kconfig of arch/arm/mach-s3c2443 to
add the CONFIG_CPU_S3C2443 to the list of config
variabls which mean CONFIG_CPU_S3C2412_ONLY cannot
be set
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Machines in the S3C24XX architectures should not
be including <asm/hardware/iomd.h> as this is not
needed.
Also remove commented out includes
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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USB gadget pull-up control and device addition
for the SMDK2413/SMDK2412 board.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Our current support for the SMDK2413 is the same
as the SMDK2412 (which is very similar), so add
SMDK2412 to the list of machines that mach-smdk2413.c
supports
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The following patch and script moves the arch/arm/mach-s3c2410
directory into arch/arm/plat-s3c24xx for the generic core code
and inti arch/arm/mach-s3c{cpu} for the cpu/machine support files
Include directory include/asm-arm/plat-s3c24xx is added for the
core include files.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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