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Add debugfs support for the cpufreq driver to allow
information about the system state to be exported to
the user.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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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: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add board support for CPUFREQ with the Simtec BAST board
registering the necessary information with the core.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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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: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add IO bank timing support for S3C2412/S3C2443.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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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: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Currently map-base.h defines the main virtual address mappings made
for all the support S3C SoC series, but does not then define any base
for per-cpu mappings to be made from.
Add S3C_ADDR_CPU() macro to define an virtual address as an offset
from the last of the core mappings.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add core support for frequency scaling on the S3C2412 SoC.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add CPU frequency scalling support to the Simtec Osiris.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add entries to select the crystal to select for each different
supported board. This information is then available for anything
else requiring this, such as the CPUFreq PLL tables.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add PLL tables for the S3C2440.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add core support for frequency scaling on the S3C2440 SoC.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add PLL table for the S3C2410 SoC.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add core support for frequency scaling on the S3C2410 SoC.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add io-timing support for frequency scaling on the S3C2410 SoC.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add the S3C24XX to the main ARM CPUFreq Kconfig support list.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add ARCH_HAS_CPUFREQ so that each machine config can select
it if they have CPUFREQ driver support. This means that the
CPUFREQ specific area does not need the if statement updating
each time a new machine is added.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Move the structure s3c_cpufreq_config from cpu-freq.h to the
less advertised cpu-freq-core.h as it is not needed by anything
outside the core drivers.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Update arch/arm/plat-s3c/include/plat/cpu-freq.h to include kerneldoc
style documentation.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add the core of the support for enabling the CPUFreq driver on
all S3C24XX based systems.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add definitions and an accessor macro to deal with
reading bus information from S3C2410_BWSCON for any
given numbered bank.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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CPUAT91 is based on Atmel's AT91RM9200 with up to 16MB Strataflash,
up to 128MB SDRAM and an ethernet PHY in RMII mode.
Signed-off-by: Eric Benard <ebenard@eukrea.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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CPU9260 and CPU9G20 share the same PCB populated with either
Atmel's AT91SAM9260B or AT91SAM9G20B with up to 64MB Strataflash,
up to 128MB SDRAM, up to 2GB NAND and an ethernet PHY in RMII mode.
Signed-off-by: Eric Benard <eric@eukrea.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The EP93xx features two PWMs (one on the EP9307) with the following
features:
* Configurable dual output
* Separate input clocks for each PWM output
* 16-bit resolution
* Programmable pulse width (duty cycle), interval (frequency), and
polarity
This adds the necessary core support as well as the driver. A sysfs
interface is provided to control the PWM outputs.
Signed-off-by: Matthieu Crapet <mcrapet@gmail.com>
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <ryan@bluewatersys.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Make software reset to avoid freeze if PCI bus was messed up
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.pengutronix.de/git/imx/linux-2.6
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git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
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After ftrace_trace_function is called r1 is probably clobbered so don't
try to use its value for restoring.
This was introduced in v2.6.29~38^2~7
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The value of armclk_mask needs to be inverted for use as a mask on
the register value when updating ARM_RATIO.
This is critical for cpufreq support, without it attempts to scale
the frequency of the core trash pretty much the entire clock tree.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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If the requested clock is faster than the parent clock then the
parent clock is the closest we can get to the request so we need
to return that instead of the requested clock.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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In the s3c_gpiolib_getchip implementation for s3c24xx the check whether a pin is
in the gpio banks range is reversed. Thus the function returns NULL for valid
pins and the gpio chip if its not valid.
As a result gpio states are not saved/restored properly during suspend/resume.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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This patch adds GPIO support on OMAP4430 development platform.
Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>
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This patch adds UART4 support on OMAP4430 development platform.
Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>
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This patch creates McBSP support on OMAP4430 development platform. This patch
includes corresponding base address changes for OMAP4.
Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>
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- enable PCM043, MX31LILLY, ARMADILLO5X0 and MX35_3DS boards
- enable MXC nand driver
- enable UBI support
- disable cs89x0 support which broke all boards which do not have this chip
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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- enable MX27_3DS and MX27LITE Board
- enable MXC nand driver
- enable UBI support
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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mm: Pass virtual address to [__]p{te,ud,md}_free_tlb()
Upcoming paches to support the new 64-bit "BookE" powerpc architecture
will need to have the virtual address corresponding to PTE page when
freeing it, due to the way the HW table walker works.
Basically, the TLB can be loaded with "large" pages that cover the whole
virtual space (well, sort-of, half of it actually) represented by a PTE
page, and which contain an "indirect" bit indicating that this TLB entry
RPN points to an array of PTEs from which the TLB can then create direct
entries. Thus, in order to invalidate those when PTE pages are deleted,
we need the virtual address to pass to tlbilx or tlbivax instructions.
The old trick of sticking it somewhere in the PTE page struct page sucks
too much, the address is almost readily available in all call sites and
almost everybody implemets these as macros, so we may as well add the
argument everywhere. I added it to the pmd and pud variants for consistency.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David Howells <dhowells@redhat.com> [MN10300 & FRV]
Acked-by: Nick Piggin <npiggin@suse.de>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> [s390]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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correct GPIO freed in treo680_irda_shutdown()
Signed-off-by: Tomáš ?ech <sleep_walker@suse.cz>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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It adds DMA peripheral identifiers for hardware handshaking interface. It will
be used in platform code.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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fix the following 'make includecheck' warning:
arch/arm/plat-stmp3xxx/pinmux.c: linux/sysdev.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: dmitry pervushin <dpervushin@embeddedalley.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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fix the following 'make includecheck' warning:
arch/arm/plat-s3c64xx/pm.c: plat/regs-gpio.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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fix the following 'make includecheck' warning:
arch/arm/mach-omap2/mcbsp.c: mach/irqs.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Eduardo Valentin <eduardo.valentin@nokia.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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fix the following 'make includecheck' warning:
arch/arm/mach-omap1/mcbsp.c: mach/irqs.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Eduardo Valentin <eduardo.valentin@nokia.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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fix the following 'make includecheck' warning:
arch/arm/mach-davinci/board-sffsdr.c: mach/common.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Philip Balister <philip@opensdr.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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fix the following 'make includecheck' warning:
arch/arm/mach-davinci/board-dm646x-evm.c: mach/common.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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fix the following 'make includecheck' warning:
arch/arm/mach-davinci/board-dm644x-evm.c: mach/common.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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fix the following 'make includecheck' warning:
arch/arm/mach-davinci/board-dm355-leopard.c: mach/common.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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fix the following 'make includecheck' warning:
arch/arm/mach-davinci/board-dm355-evm.c: mach/common.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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