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Add new pin multiplexing configurations
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patch changes pin multiplexing init to allow registering
custom function. The omap_cfg_reg() func will be split into
omap processor specific functions in later patch.
This is done to make adding omap3 pin multiplexing easier.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Convert OSK board to use new tps65010 gpiolib support. This
includes moving its LED support from leds-osk to gpio-leds,
giving more trigger options and a net platform code shrink.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Update OMAP to use the new GPIO implementation framework. This is just a
quick'n'dirty update ... more code could now be removed, ideally as part
of cleaning up the entire OMAP GPIO infrastructure ...
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This deprecates old set/reset_scoop_gpio interfacein favour of
support for generic gpio interface.
It requires gpiolib, so it depends on the previous patch
(gpiolib for SA-1100).
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This adds gpiolib support for the SA-1100 arch:
- Move all GPIO API functions from generic.c into gpio.c
- Convert all gpio functions into gpiolib callbacks.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The allowed values for the MDIV field (Master Clock Division) in the
PMC controller differ between the AT91RM9200 and AT91SAM9/CAP9.
To remove possible confusion, change the definitions to be more explicit.
Also define the Processor Clock Division bits.
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The Reset controller on the SAM9/CAP9 processors will store the reason
for the last system reset.
On startup, display this information (wakeup signal, RTT alarm,
watchdog reset, user reset, etc)
Based on patch from David Brownell.
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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On AT91 processors that include an ECC controller, pass its base
address to the NAND driver via platform_device resources.
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The AT91CAP9 processor includes the same Static Memory Controller
(SMC) peripheral as the SAM9 processors, but replaces the SDRAM
Controller with a DDR/SDR Controller (DDRSDRC).
This patch splits the existing
include/asm-arm/arch-at91/at91sam926x_mc.h into at91sam9_sdramc.h and
at91sam9_smc.h.
It also adds an at91cap9_ddrsdr.h for the DDRSDRC controller.
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Currently include/linux/kvm.h is not considered by make headers_install,
because Kbuild cannot handle " unifdef-$(CONFIG_FOO) += foo.h. This problem
was introduced by
commit fb56dbb31c4738a3918db81fd24da732ce3b4ae6
Author: Avi Kivity <avi@qumranet.com>
Date: Sun Dec 2 10:50:06 2007 +0200
KVM: Export include/linux/kvm.h only if $ARCH actually supports KVM
Currently, make headers_check barfs due to <asm/kvm.h>, which <linux/kvm.h>
includes, not existing. Rather than add a zillion <asm/kvm.h>s, export kvm.
only if the arch actually supports it.
Signed-off-by: Avi Kivity <avi@qumranet.com>
which makes this an 2.6.25 regression.
One way of solving the issue is to enhance Kbuild, but Avi and David conviced
me, that changing headers_install is not the way to go. This patch changes
the definition for linux/kvm.h to unifdef-y.
If unifdef-y is used for linux/kvm.h "make headers_check" will fail on all
architectures without asm/kvm.h. Therefore, this patch also provides
asm/kvm.h on all architectures.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Avi Kivity <avi@qumranet.com>
Cc: Sam Ravnborg <sam@ravnborg.org
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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From: Juergen Beisert <j.beisert@pengutronix.de>
Clean up current header files from doxygen style comments. There are
probably more such comments left, but we start with these.
Things happend since last review:
- needless blank lines removed (note by Russell King)
- re-format comments (note by Ross Wille)
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
Signed-off-by: Ross Wille <wille@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Now putc writes to the first enabled internal UART. If there is none
the external UART on the a9m9750dev board is used (if enabled).
Otherwise there is no output.
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
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The hardware team changed some things that were taken as being common to
all ns9xxx processors up to now.
This patch addresses:
- irqs: s/IRQ_/IRQ_NS9360_/
- system module registers: some registers are still general, their
definition lives now in include/asm-arm/arch-ns9xxx/regs-sys-common.h.
The ns9360 specific ones are in .../regs-sys-ns9360.h
As a result ns9360_systemclock cannot be static inline any more as its
definition needs regs-sys-ns9360.h. This becomes a real problem when
adding support for ns9215 as this will need regs-sys-ns9215.h and
including both files will not work. For the same reason
ns9360_reset() is now non-inline and gpio functions live in their own
file.
- register mapping: s/ns9xxx_map_io/ns9360_map_io/
- timer registers: move time.c to time-ns9360.c;
s/ns9xxx_timer/ns9360_timer/
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
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Most of the machines are not yet supported, but I have to start somewhere.
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
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This patch optimizes the irq handling a bit. Now the base register is only
computed once if more than one irq is pending.
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
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Do a global s/orion/orion5x/ of the Orion 5x-specific bits (i.e.
not the plat-orion bits.)
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Saeed Bishara <saeed@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Various Orion cleanups:
- Unify GPL license banner format across all files.
- Unify naming of .h double inclusion guard preprocessor macros.
- Unify spelling of "PCIe" (variants seen: PCIE, PCIe, PCI-EX.)
- Various typo fixes.
- Remove __init attributes from prototypes declared in headers.
- Remove trailing comments from #endif statements.
- Mark a couple of locally-used-only structs static.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Save some TLB entries by making ioremap() return pointers into the
boot-time Orion peripheral iotable mapping whenever someone tries
to ioremap any part of the Orion peripheral register space.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Nicolas Pitre <nico@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Move the Orion register accessor macros out of orion.h, to prevent
them from ending up in the decompressor image (Orion uncompress.h
includes orion.h.) Move them into io.h, which seems a better place
for this kind of stuff.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Include a table describing our physical address map in orion.h.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Split off Orion time handling code into plat-orion/.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Split off Orion PCIe handling code into plat-orion/.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Split off Orion IRQ handling code into plat-orion/, and add
support for multiple sets of (32) interrupts.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Make it possible to pass mbus_dram_target_info to the ehci-orion
driver via the platform data, make the ehci-orion driver program
the window registers based on this data if it is passed in, and
make the Orion platform setup code use this method instead of
programming the EHCI mbus window registers by hand.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Platforms like iq80321 and iq80331 which may be host-bus-adapters
require 'iop3xx_init_atu=y' to be specified on the kernel command line.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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This is a bug correction for a macro that generated wrong results.
Nobody used it in official kernel tree, my driver did.
Signed-off-by: Davide Rizzo <davide@elpa.it>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Until DSP MMU code is merged, dsp_request_mem() does not exist.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Define AT91_USART0, 1, 2 so the selection of the UART for early kernel
messages works.
(See commit fa3218d8594869b38b1a170ea36d176ac455b897).
Replace AT91_SHDC with AT91_SHDWC to be consistent with other AT91 platforms.
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* omap-fixes:
ARM: OMAP2: Register the L4 io bus to boot OMAP2
ARM: OMAP1: Compile in other 16xx boards to OSK defconfig
ARM: OMAP1: Refresh H2 defconfig
ARM: OMAP1: Refresh OSK defconfig
ARM: OMAP: gpio lockdep updates
ARM: OMAP1: omap1/pm.c build fix
ARM: OMAP1: omap h2 regression fix
ARM: OMAP1: Fix compile for boards depending on old gpio expander
ARM: OMAP1: omap h3 regression and build fix
ARM: OMAP: Remove compiler warning when i2c is not set
ARM: OMAP: fix omap i2c init (regression)
ARM: OMAP: fix false lockdep warnings
ARM: OMAP: Fix sleep under spinlock for cpufreq
ARM: OMAP: Pass logical DMA channel number always to callback handlers
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The nonmmu version of pgtable.h needs to include asm-generic/pgtable.h
as well. It needs to pick up empty definitions of things like
arch_enter_lazy_cpu_mode() to compile cleanly.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Joe Perches <joe@perches.com>
include/asm-arm/plat-s3c/uncompress.h | 4 ++--
include/asm-arm/proc-fns.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The long term fix is to switch boards to use drivers/gpio/pcf857x.c.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Get rid of build warnings and errors in mainline for H3 boards; not
all the H3 updates were correct, it seems like the OMAP1 boards are
not getting proper build testing.
Also, commit e27a93a944a5ba6a0112750c8243abba86d56e94 introduced a
regression related to the tps65013 chip.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Remove compiler warning when i2c is not set
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Jarkko Nikula <jarkko.nikula@nokia.com>
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Add CONFIG_HAVE_KRETPROBES to the arch/<arch>/Kconfig file for relevant
architectures with kprobes support. This facilitates easy handling of
in-kernel modules (like samples/kprobes/kretprobe_example.c) that depend on
kretprobes being present in the kernel.
Thanks to Sam Ravnborg for helping make the patch more lean.
Per Mathieu's suggestion, added CONFIG_KRETPROBES and fixed up dependencies.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The PXA3xx AC97 controller has an additional control bit GCR_CLKBPB
which must be used during cold reset.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This typo causes the incorrect calculation of the IRQ numbers
in the ICIP2 registers.
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch sets KEXEC_CONTROL_MEMORY_LIMIT to (-1)UL. As the value is
compared with physical addresses TASK_SIZE makes no sense. Machines
where the RAM addresses start above TASK_SIZE kexecs eats all memory
and crashes the kernel without this patch.
Signed-off-by: Thomas Kunze <thommycheck@gmx.de>
Acked-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Eric Sandeen tracked an XFS on ARM corruption bug down to a function
under fs/xfs/ involving some get_unaligned() calls on u64 pointers.
As it turns out, calling ARM's get_unaligned() on a u64 pointer
pointing to the following byte sequence:
80 81 82 83 84 85 86 87
would return ffffffff83828180 (LE mode.) This turns out to be
because of implicit u8 -> int promotion in ARM's implementation of
various helpers for get_unaligned(), causing them to accidentally
return signed instead of unsigned values, which in turn caused the
subsequent casts to unsigned long long in __get_unaligned_8_[bl]e()
to sign-extend the lower words.
Fix by casting the return values of __get_unaligned_[24]_[bl]e()
to unsigned int.
Cc: Eric Sandeen <sandeen@sandeen.net>
Cc: Rabeeh Khoury <rabeeh@marvell.com>
Cc: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fixes a sequencing bug in spi driver pxa2xx_spi.c in which the chip select
for a transfer may be asserted before the clock polarity is set on the
interface. As a result of this bug, the clock signal may have the wrong
polarity at transfer start, so it may need to make an extra half transition
before the intended clock/data signals begin. (This probably means all
transfers are one bit out of sequence.)
This only occurs on the first transfer following a change in clock polarity
in systems using more than one more than one such polarity. The fix
assures that the clock mode is properly set before asserting chip select.
This bug was introduced in a patch merged on 2006/12/10, kernel 2.6.20.
The patch defines an additional bit in: include/asm-arm/arch-pxa/regs-ssp.h
for 2.6.25 and newer kernels but this addition must be made in:
include/asm-arm/arch-pxa/pxa-regs.h for kernels between 2.6.20 and 2.6.24,
inclusive
Signed-off-by: Ned Forrester <nforrester@whoi.edu>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch updates stale comment that pointed to nonexistent file.
Signed-off-by: Leonid Evdokimov <leon@darkk.net.ru>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* master:
[ARM] constify function pointer tables
[ARM] 4823/1: AT91 section fix
[ARM] 4824/1: pxa: clear RDH bit after any reset
[ARM] pxa: remove debugging PM: printk
* omap1-upstream:
ARM: OMAP1: Misc clean-up
ARM: OMAP1: Update defconfigs for omap1
ARM: OMAP1: Palm Tungsten E board clean-up
ARM: OMAP1: Use I2C bus registration helper for omap1
ARM: OMAP1: Remove omap_sram_idle()
ARM: OMAP1: PM fixes for OMAP1
ARM: OMAP1: Use MMC multislot structures for Siemens SX1 board
ARM: OMAP1: Make omap1 use MMC multislot structures
ARM: OMAP1: Change the comments to C style
ARM: OMAP1: Make omap1 boards to use omap_nand_platform_data
ARM: OMAP: Add helper module for board specific I2C bus registration
ARM: OMAP: Add dmtimer support for OMAP3
ARM: OMAP: Pre-3430 clean-up for dmtimer.c
ARM: OMAP: Add DMA support for chaining and 3430
ARM: OMAP: Add 24xx GPIO debounce support
ARM: OMAP: Get rid of unnecessary ifdefs in GPIO code
ARM: OMAP: Add 3430 gpio support
ARM: OMAP: Add 3430 CPU identification macros
ARM: OMAP: Request DSP memory for McBSP
* orion:
[ARM] Orion: Use the sata_mv driver for the TS-209 SATA
[ARM] Orion: Use the sata_mv driver for the Kurobox SATA
[ARM] Orion: free up kernel virtual address space
[ARM] Orion: distinguish between physical and virtual addresses
[ARM] Orion: kill orion_early_putstr()
[ARM] Orion: update defconfig
[ARM] Orion: Use the sata_mv driver for the integrated SATA controller
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Use MMC multislot structures for Siemens SX1 board
Signed-off-by: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Make omap1 use new MMC multislot structures. The related MMC
patches will be sent separately.
Signed-off-by: Felipe Balbi <felipe.lima@indt.org.br>
Signed-off-by: Anderson Briglia <anderson.briglia@indt.org.br>
Signed-off-by: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
Signed-off-by: David Cohen <david.cohen@indt.org.br>
Signed-off-by: Eduardo Valentin <eduardo.valentin@indt.org.br>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patch adds omap_nand_platform data based on a patch
by Shahrom Sharif-Kashani <sshahrom@micron.com>, and makes
omap1 boards to use omap_nand_platform_data instead of
nand_platform_data used earlier.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This helper module simplifies I2C bus registration for different OMAP
platforms by doing registration in one place only and to allow board
specific bus configuration like clock rate and number of busses configured.
Helper should cover OMAP processors from first to third generation.
This patch just adds the feature and current implementation cleanup and
board file modifications will be done in following patches.
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add DMA support for chaining and 3430.
Also remove old DEBUG_PRINTS as noted by Russell King.
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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