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devel
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Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Always creating the physical mapping should do no harm, so let's remove
the interface that was provided for its optional creation and make the
mapping static.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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We don't have to define resources to the minimal physical window size
as setup_cpu_win() will cope with smaller sizes already.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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The security accelerator which can act as a puppet player for the crypto
engine requires its commands in the sram. This patch adds support for the
phys mapping and creates a platform device for the actual driver.
[ nico: renamed device name from "mv,orion5x-crypto" to "mv_crypto"
so to match the module name and be more generic for Kirkwood use ]
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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This patch adds support for the switch found on the Netgear
WNR854T router.
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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The Orion watchdog driver is also used on Kirkwood.
Convention is to use orion5x for stuff specific to 88F5xxx Orion chips
and simply "orion" for shared stuff across SoCs including Kirkwood.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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The Kirkwood architecture uses the same watchdog device as the Orion
architecture. This patch adds orion5x_wdt as a platform device for
Kirkwood.
Signed-off-by: Thomas Reitmayr <treitmayr@devbase.at>
Tested-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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The name of the define for the Reset-Out-Mask register as well as its
bit for the watchdog reset are changed to match the names used for
Kirkwood (which in turn match the processor specification more
closely). There is no functional change.
This patch prepares for adding orion5x_wdt as a platform device to
Kirkwood.
Signed-off-by: Thomas Reitmayr <treitmayr@devbase.at>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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To save power:
1. Enabling clock gating of unused peripherals
2. PLL and PHY of the units are also disabled (when possible.
Signed-off-by: Rabeeh Khoury <rabeeh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Common resource and platform device structures are moved to common.c
and only the partition table and chip delay remains a per board
parameter.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Signed-off-by: Erik Benada <erikbenada@yahoo.ca>
[ nico: fix locking, additional cleanups ]
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Just like commit 1419468ab548, let's save some TLB entries by making
ioremap() return pointers into the boot-time Kirkwood peripheral
iotable mapping whenever someone tries to ioremap any part of the Kirkwood
peripheral register space.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Signed-off-by: Siddarth Gore <gores@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
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Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
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With a TCLK = 200MHz, the half period of the hardware timer is roughly
10 seconds. Because cnt32_to_63() must be called at least once per
half period of the base hardware counter, it is a bit risky to rely
solely on scheduling to generate frequent enough calls. Let's use a
kernel timer to ensure this.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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sched_clock implementation for orion platform. Its realized using
free-running clocksource timer, which provides a resolution of 7.5ns
(depending on tclk). It's derived from PXA's sched_clock implementation.
[ nico: renamed orion2ns to tclk2ns, fixed max value in the comment ]
Signed-off-by: Stefan Agner <stefan.agner@yahoo.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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The patch adds support for Kirkwood cpu idle.
Two idle states are defined:
1. Wait-for-interrupt (replacing default kirkwood wfi)
2. Wait-for-interrupt and DDR self refresh
Signed-off-by: Rabeeh Khoury <rabeeh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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* Use correct clkdev style usb clock name
* Implement rate setting for USB clock
* Introduce _clk_generic_round_rate to factorize the (now 3) uses of rounding code.
Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Hi,
Fixed issue in the mxc-master head :
Signed-off-by: Simon POLETTE <spolette@adnlysd018.(none)>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This can be used for other arm platforms too as discussed
on the linux-arm-kernel list.
Also check the return value with IS_ERR and return PTR_ERR
as suggested by Russell King.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Sascha Hauer wrote:
> On Tue, Jun 02, 2009 at 04:18:42PM -0400, Daniel Schaeffer wrote:
>> Add basic support for the Logic i.MX27LITE board.
>>
>> Signed-off-by: Daniel Schaeffer <daniel.schaeffer@timesys.com>
>
> Besides the comment made by Fabio this looks ok to me.
>
> Sascha
>
>
Fixed issues pointed out by Fabio and Magnus, and rebased to mxc-master head.
Signed-off-by: Daniel Schaeffer <daniel.schaeffer@timesys.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add hook so that the HW RNG source on the TS-78xx is available.
Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Add basic support for MX35PDK board (www.freescale.com/imx35pdk).
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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On Thu, May 28, 2009 at 08:42:23PM +0200, Sascha Hauer wrote:
> > > Mail-Followup-To: Daniel Mack <daniel@caiaq.de>,
> > > linux-arm-kernel@lists.arm.linux.org.uk
> >
> > ... which causes my mutt to only reply to the list.
>
> Ah, ok. /me hacking in muttrc... Does it work now?
Yep :)
> > mxc_register_device(&mxc_uart_device0, &uart_pdata);
> > + mxc_register_device(&mxc_uart_device1, &uart_pdata);
> > + mxc_register_device(&mxc_uart_device2, &uart_pdata);
>
> What about the RXD3/TXD3 pins?
You're right - I got the IOMUX tables wrong and thought UART0 pins are
selected unconditionally. But as it turns out TXD1/RXD1 is for UART0
(mxc_uart_device0), TXD2/RXD2 for UART1 (mxc_uart_device1) etc.
Below is a new patch.
Thanks,
Daniel
From e7eb5fa0fed09d667a4b2f168fe466e2cc645abb Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Wed, 27 May 2009 12:22:51 +0200
Subject: [PATCH] ARM: MX3: add two more UARTs to lilly-1131-db
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This mostly adds back AppleTouch support and adds CONFIG_HIGHMEM
by default.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Fix section attribute warnings.
sparc64: Fix SET_PERSONALITY to not clip bits outside of PER_MASK.
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Kconfig entries default to n, so there's no need for this to be
explicitly specified.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Support for Palm LifeDrive's internal harddrive.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Jeff Garzik <jgarzik@redhat.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/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI, i915: build fix (v2)
acpi-cpufreq: fix printk typo and indentation
ACPI processor: remove spurious newline from warning message
drm/i915: acpi/video.c fix section mismatch warning
ACPI: video: DMI workaround broken Acer 5315 BIOS enabling display brightness
ACPI: video: DMI workaround broken eMachines E510 BIOS enabling display brightness
ACPI: sanity check _PSS frequency to prevent cpufreq crash
i7300_idle: allow testing on i5000-series hardware w/o re-compile
PCI/ACPI: fix wrong ref count handling in acpi_pci_bind()
cpuidle: fix AMD C1E suspend hang
cpuidle: makes AMD C1E work in acpi_idle
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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CSUM copy to/from user assembler was missing allocatable and
executable attributes for .fixup
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] update mach-types
[ARM] Add cmpxchg support for ARMv6+ systems (v5)
[ARM] barriers: improve xchg, bitops and atomic SMP barriers
Gemini: Fix SRAM/ROM location after memory swap
MAINTAINER: Add F: entries for Gemini and FA526
[ARM] disable NX support for OABI-supporting kernels
[ARM] add coherent DMA mask for mv643xx_eth
[ARM] pxa/palm: fix PalmLD/T5/TX AC97 MFP
[ARM] pxa: add parameter to clksrc_read() for pxa168/910
[ARM] pxa: fix the incorrectly defined drive strength macros for pxa{168,910}
[ARM] Orion: Remove explicit name for platform device resources
[ARM] Kirkwood: Correct MPP for SATA activity/presence LEDs of QNAP TS-119/TS-219.
[ARM] pxa/ezx: fix pin configuration for low power mode
[ARM] pxa/spitz: provide spitz_ohci_exit() that unregisters USB_HOST GPIO
[ARM] pxa: enable GPIO receivers after configuring pins
[ARM] pxa: allow gpio_reset drive high during normal work
[ARM] pxa: save/restore PGSR on suspend/resume.
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel
Conflicts:
arch/arm/Makefile
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Some DMA_32BIT_MASK usage snuck in with the MMC platform support.
Convert these to the new preferred DMA_BIT_MASK(32).
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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shared or not
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13302
On x86 and x86-64, it is possible that page tables are shared beween
shared mappings backed by hugetlbfs. As part of this,
page_table_shareable() checks a pair of vma->vm_flags and they must match
if they are to be shared. All VMA flags are taken into account, including
VM_LOCKED.
The problem is that VM_LOCKED is cleared on fork(). When a process with a
shared memory segment forks() to exec() a helper, there will be shared
VMAs with different flags. The impact is that the shared segment is
sometimes considered shareable and other times not, depending on what
process is checking.
What happens is that the segment page tables are being shared but the
count is inaccurate depending on the ordering of events. As the page
tables are freed with put_page(), bad pmd's are found when some of the
children exit. The hugepage counters also get corrupted and the Total and
Free count will no longer match even when all the hugepage-backed regions
are freed. This requires a reboot of the machine to "fix".
This patch addresses the problem by comparing all flags except VM_LOCKED
when deciding if pagetables should be shared or not for hugetlbfs-backed
mapping.
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: <stable@kernel.org>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: <starlight@binnacle.cx>
Cc: Eric B Munson <ebmunson@us.ibm.com>
Cc: Adam Litke <agl@us.ibm.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The flat loader uses an architecture's flat_stack_align() to align the
stack but assumes word-alignment is enough for the data sections.
However, on the Xtensa S6000 we have registers up to 128bit width
which can be used from userspace and therefor need userspace stack and
data-section alignment of at least this size.
This patch drops flat_stack_align() and uses the same alignment that
is required for slab caches, ARCH_SLAB_MINALIGN, or wordsize if it's
not defined by the architecture.
It also fixes m32r which was obviously kaput, aligning an
uninitialized stack entry instead of the stack pointer.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Oskar Schirmer <os@emlix.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Bryan Wu <cooloney@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Cc: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Johannes Weiner <jw@emlix.com>
Acked-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci into devel
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Conflicts:
arch/arm/mach-omap2/serial.c
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Conflicts:
arch/arm/mach-omap2/Makefile
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DaVinci EMAC driver is now upstream. Enable it in default defconfig.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Provide a generic SRAM allocator using genalloc, and vaguely
modeled after what AVR32 uses. This builds on top of the
static CPU mapping set up in the previous patch, and returns
DMA mappings as requested (if possible).
Compared to its OMAP cousin, there's no current support for
(currently non-existent) DaVinci power management code running
in SRAM; and this has ways to deallocate, instead of being
allocate-only.
The initial user of this should probably be the audio code,
because EDMA from DDR is subject to various dropouts on at
least DM355 and DM6446 chips.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Package on-chip SRAM. It's always accessible from the ARM, so
set up a standardized virtual address mapping into a 128 KiB
area that's reserved for platform use.
In some cases (dm6467) the physical addresses used for EDMA are
not the same as the ones used by the ARM ... so record that info
separately in the SOC data, for chips (unlike the OMAP-L137)
where SRAM may be used with EDMA.
Other blocks of SRAM, such as the ETB buffer or DSP L1/L2 RAM,
may be unused/available on some system. They are ignored here.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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