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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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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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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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* master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: Realview & Versatile: Fix i2c_board_info definitions
[ARM] 5608/1: Updated U300 defconfig
[ARM] 5606/1: Fix ep93xx watchdog driver headers
[ARM] 5594/1: Correct U300 VIC init PM setting
[ARM] 5595/1: ep93xx: missing header in dma-m2p.c
[ARM] Kirkwood: Correct header define
[ARM] pxa: fix ULPI_{DIR,NXT,STP} MFP defines
backlight: fix pwm_bl.c to notify platform code when suspending
[ARM] pxa: use kzalloc() in pxa_init_gpio_chip()
[ARM] pxa: correct I2CPWR clock for pxa3xx
pxamci: correct DMA flow control
ARM: add support for the EET board, based on the i.MX31 pcm037 module
pcm037: add MT9T031 camera support
Armadillo 500 add NAND flash device support (resend).
ARM MXC: Armadillo 500 add NOR flash device support (resend).
mx31: remove duplicated #include
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Fix i2c_board_info definitions - we were defining the 'type' field
of these structures twice since the first argument of I2C_BOARD_INFO
sets this field. Move the second definition into I2C_BOARD_INFO().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Ben Dooks <ben-linux@fluff.org>
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Removed the LBD support that isn't of any use right now at least,
then remove remnants of the TCM config flags that somehow crept
in by mistake (not yet merged patch for 2.6.32) and then the usual
defconfig noise from updated menus.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Pull the initial preempt_count value into a single
definition site.
Maintainers for: alpha, ia64 and m68k, please have a look,
your arch code is funny.
The header magic is a bit odd, but similar to the KERNEL_DS
one, CPP waits with expanding these macros until the
INIT_THREAD_INFO macro itself is expanded, which is in
arch/*/kernel/init_task.c where we've already included
sched.h so we're good.
Cc: tony.luck@intel.com
Cc: rth@twiddle.net
Cc: geert@linux-m68k.org
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This makes the VIC resume from suspend flagged IRQ:s identical to
the flags indicating all possible interrupts. This is perhaps not
the optimal setting but setting it to 0 makes the system suspend
and never come back again (all IRQ sources masked off).
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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<linux/io.h> was getting included by <mach/ts72xx.h>, is should be
included by this file.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
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Correct define typo (. -> ,)
Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Attepmpt to configure ULPI pins gives the following compile error:
CC arch/arm/mach-pxa/cm-x300.o
arch/arm/mach-pxa/cm-x300.c:155: error: 'MFP_MFP_AF0' undeclared here (not in a function)
arch/arm/mach-pxa/cm-x300.c:155: error: 'MFP_MFP_DS01X' undeclared here (not in a function)
make[2]: *** [arch/arm/mach-pxa/cm-x300.o] Error 1
make[1]: *** [arch/arm/mach-pxa] Error 2
make: *** [sub-make] Error 2
Fix it.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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Document the layout of our file PTE entries.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Document the layout of our swp PTE entries, adding definitions for
the bit masks/shifts/sizes, and implement MAX_SWAPFILES_CHECK()
such that we fail to build if we are unable to properly encode the
swp type field.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Now required for libsas:
Kernel: arch/arm/boot/Image is ready
Kernel: arch/arm/boot/zImage is ready
Building modules, stage 2.
MODPOST 1096 modules
ERROR: "xscale_flush_kern_dcache_page" [drivers/scsi/libsas/libsas.ko] undefined!
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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As slab is available early now, use kzalloc() rather than
alloc_bootmem_low() in pxa_init_gpio_chip().
This removes the following boot time warning:
<4>------------[ cut here ]------------
<4>WARNING: at mm/bootmem.c:535 alloc_arch_preferred_bootmem+0x2c/0x54()
<d>Modules linked in:
[<c0029430>] (unwind_backtrace+0x0/0xdc) from [<c0036f64>] (warn_slowpath_common+0x4c/0x80)
[<c0036f64>] (warn_slowpath_common+0x4c/0x80) from [<c000ede0>] (alloc_arch_preferred_bootmem+0x2c/0x54)
[<c000ede0>] (alloc_arch_preferred_bootmem+0x2c/0x54) from [<c000f2e4>] (___alloc_bootmem_nopanic+0x34/0xd0)
[<c000f2e4>] (___alloc_bootmem_nopanic+0x34/0xd0) from [<c000f6e4>] (___alloc_bootmem+0xc/0x34)
[<c000f6e4>] (___alloc_bootmem+0xc/0x34) from [<c000cb20>] (pxa_init_gpio+0x48/0x228)
[<c000cb20>] (pxa_init_gpio+0x48/0x228) from [<c0009794>] (init_IRQ+0x34/0x44)
[<c0009794>] (init_IRQ+0x34/0x44) from [<c00089d4>] (start_kernel+0x144/0x264)
[<c00089d4>] (start_kernel+0x144/0x264) from [<a0008034>] (0xa0008034)
<4>---[ end trace 1b75b31a2719ed1c ]---
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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In commit f23d4911319fd, the pwr-i2c device name changed due to the
newly introduced device table. This patch fixes the clock so the
driver's probe will succeed again.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Acked-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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The default configuration file for the KwikByte kb9202 board was based on a 2.6.13-rc2 kernel and doesn't produce a bootable kernel. Update the
configuration in order to produce a bootable image.
Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This adds a few default locks to the clocks (the clocks were used
before the locks were initialized by code), then renames the clocks
a bit to fit with the latest driver names (some changed during
review). Lastly it moves the initialization of the clock debugfs
entry to module_init() initcall level since the debugfs isn't up
in core_initcall().
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This defconfig update selects all the new U300 drivers merged for
2.6.31-rc1 in the merge window and add defaults for the new
config options. It compiles and boots nicely from initramfs on
the U300.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This adds input keyboard gpio support on at91sam9g20ek board.
It adds button 3 and 4.
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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Here is a little update to the at91sam9rlek lcd interface.
This will correct the power pin of the LCD.
It will also add precision to the struct atmel_lcdfb_info
scructure: backlight enabling and wiring mode correction:
RGB wiring on the -EK board.
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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Update the link script for ARM to use PAGE_SIZE instead of hard-
coded 4096. Also the old RODATA macro is deprecated
for the RO_DATA(PAGE_SIZE) macro. As a consequence the PAGE_SIZE
was changed from (1UL << PAGE_SHIFT) to (_AC(1,UL) << PAGE_SHIFT)
because the linker does not understand the "UL" suffix to numeric
constants.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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handle_bad_irq() expects the IRQ number to be valid (used for statistics),
so it cannot be called with an illegal vector. The problem was reported
by a static analysis tool.
The change makes bad_irq_desc redundant, so delete it.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch fixes two errors we get when building GTA02 kernel.
~ use_bbt is incorrect, we need flash_bbt.
~ We do not need .force_soft_ecc because we can unset
CONFIG_MTD_NAND_S3C2410_HWECC.
Signed-off-by: Nelson Castillo <arhuaco@freaks-unidos.net>
[ben-linux@fluff.org: updated patch description]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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The commit 9db41f9edcb87ae050fcb171c44be7f212728d54 added
the .flash_bbt flag to the nand set, so add this back into
the mach-mini2440.c file (taken out on initial commit to
allow build).
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add the MINI2440 to the list of machines built by the
central defconfig.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Commit 52da219e9664e537a745877b0efa7cf2b1ff2996 added IIS
platform devices, but these do not build on s3c24xx systems
and the file depends on SND_S3C24XX_SOC, which is selected
for all S3C64XX/S3C24XX systems.
As a quick fix, make the dev-audio.o file depends on
SND_S3C64XX_SOC_I2S instead.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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