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* orion: (26 commits)
[ARM] Orion: implement power-off method for QNAP TS-109/209
[ARM] Orion: add support for QNAP TS-109/TS-209
[ARM] Orion: I2C support
[I2C] i2c-mv64xxx: Don't set i2c_adapter.retries
[I2C] Split mv643xx I2C platform support
[ARM] Orion: enable CONFIG_RTC_DRV_M41T80 for D-Link DNS-323
[ARM] Orion defconfig
[ARM] Orion: add support for Orion/MV88F5181 based D-Link DNS-323
[ARM] Orion: MV88F5181 support bits
[ARM] Orion: Buffalo/Revogear Kurobox Pro support
[ARM] OrionNAS RD board support
[ARM] Orion: support for Marvell Orion-2 (88F5281) Development Board
[ARM] Orion: common platform setup for Gigabit Ethernet port
[ARM] Orion: platform device registration for UART, USB and NAND
[ARM] Orion: system timer support
[ARM] Orion edge GPIO IRQ support
[ARM] Orion: IRQ support
[ARM] Orion: provide GPIO method for enabling hardware assisted blinking
[ARM] Orion: GPIO support
[ARM] Orion: programable address map support
...
Conflicts:
arch/arm/Kconfig
arch/arm/Makefile
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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's3c2410', 'sa1100' and 'vfp' into devel
* at91: (24 commits)
[ARM] 4615/4: sam926[13]ek buttons updated
[ARM] 4765/1: [AT91] AT91CAP9A-DK board support
[ARM] 4764/1: [AT91] AT91CAP9 core support
[ARM] 4738/1: at91sam9261: Remove udc pullup enabling in board initialisation
[ARM] 4761/1: [AT91] Board-support for NEW_LEDs
[ARM] 4760/1: [AT91] SPI CS0 errata on AT91RM9200
[ARM] 4759/1: [AT91] Buttons on CSB300
[ARM] 4758/1: [AT91] LEDs
[ARM] 4757/1: [AT91] UART initialization
[ARM] 4756/1: [AT91] Makefile cleanup
[ARM] 4755/1: [AT91] NAND update
[ARM] 4754/1: [AT91] SSC library support
[ARM] 4753/1: [AT91] Use DMA_BIT_MASK
[ARM] 4752/1: [AT91] RTT, RTC and WDT peripherals on SAM9
[ARM] 4751/1: [AT91] ISI peripheral on SAM9263
[ARM] 4750/1: [AT91] STN LCD displays on SAM9261
[ARM] 4734/1: at91sam9263ek: include IRQ for Ethernet PHY
[ARM] 4646/1: AT91: configurable HZ, default to 128
[ARM] 4688/1: at91: speed-up irq processing
[ARM] 4657/1: AT91: Header definition update
...
* ep93xx:
[ARM] 4671/1: ep93xx: remove obsolete gpio_line_* operations
[ARM] 4670/1: ep93xx: implement IRQT_BOTHEDGE gpio irq sense type
[ARM] 4669/1: ep93xx: simplify GPIO code and cleanups
[ARM] 4668/1: ep93xx: implement new GPIO API
* iop:
[ARM] 4770/1: GLAN Tank: correct physmap_flash_data width field
[ARM] 4732/1: GLAN Tank: register rtc-rs5c372 i2c device
[ARM] 4708/1: iop: update defconfigs for 2.6.24
* kprobes:
ARM kprobes: let's enable it
ARM kprobes: special hook for the kprobes breakpoint handler
ARM kprobes: prevent some functions involved with kprobes from being probed
ARM kprobes: don't let a single-stepped stmdb corrupt the exception stack
ARM kprobes: add the kprobes hook to the page fault handler
ARM kprobes: core code
ARM kprobes: instruction single-stepping support
* ks8695:
[ARM] 4603/1: KS8695: debugfs interface to view pin state
[ARM] 4601/1: KS8695: PCI support
* misc:
[ARM] remove duplicate includes
[ARM] CONFIG_DEBUG_STACK_USAGE
[ARM] 4689/1: small comment wrap fix
[ARM] 4687/1: Trivial arch/arm/kernel/entry-common.S comment fix
[ARM] 4666/1: ixp4xx: fix sparse warnings in include/asm-arm/arch-ixp4xx/io.h
[ARM] remove reference to non-existent MTD_OBSOLETE_CHIPS
[SERIAL] 21285: Report baud rate back via termios
[ARM] Remove pointless casts from void pointers,
[ARM] Misc minor interrupt handler cleanups
[ARM] Remove at91_lcdc.h
[ARM] ARRAY_SIZE() cleanup
[ARM] Update mach-types
* msm:
[ARM] msm: dma support for MSM7X00A
[ARM] msm: board file for MACH_HALIBUT (QCT MSM7200A)
[ARM] msm: irq and timer support for ARCH_MSM7X00A
[ARM] msm: core platform support for ARCH_MSM7X00A
* s3c2410: (33 commits)
[ARM] 4795/1: S3C244X: Add armclk and setparent call
[ARM] 4794/1: S3C24XX: Comonise S3C2440 and S3C2442 clock code
[ARM] 4793/1: S3C24XX: Add IRQ->GPIO pin mapping function
[ARM] 4792/1: S3C24XX: Remove warnings from debug-macro.S
[ARM] 4791/1: S3C2412: Make fclk a parent of msysclk
[ARM] 4790/1: S3C2412: Fix parent selection for msysclk.
[ARM] 4789/1: S3C2412: Add missing CLKDIVN register values
[ARM] 4788/1: S3C24XX: Fix paramet to s3c2410_dma_ctrl if S3C2410_DMAF_AUTOSTART used.
[ARM] 4787/1: S3C24XX: s3c2410_dma_request() should return the allocated channel number
[ARM] 4786/1: S3C2412: Add SPI FIFO controll constants
[ARM] 4785/1: S3C24XX: Add _SHIFT definitions for S3C2410_BANKCON registers
[ARM] 4784/1: S3C24XX: Fix GPIO restore glitches
[ARM] 4783/1: S3C24XX: Add s3c2410_gpio_getpull()
[ARM] 4782/1: S3C24XX: Define FIQ_START for any FIQ users
[ARM] 4781/1: S3C24XX: DMA suspend and resume support
[ARM] 4780/1: S3C2412: Allow for seperate DMA channels for TX and RX
[ARM] 4779/1: S3C2412: Add s3c2412_gpio_set_sleepcfg() call
[ARM] 4778/1: S3C2412: Add armclk and init from DVS state
[ARM] 4777/1: S3C24XX: Ensure clk_set_rate() checks the set_rate method for the clk
[ARM] 4775/1: s3c2410: fix compilation error if only s3c2442 cpu is selected
...
* sa1100:
[ARM] sa1100: add clock source support
* vfp:
[ARM] 4584/2: ARMv7: Add Advanced SIMD (NEON) extension support
[ARM] 4583/1: ARMv7: Add VFPv3 support
[ARM] 4582/2: Add support for the common VFP subarchitecture
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Add armclk to the supported clocks on the S3C2440 and S3C2442 to
better represent the DVS state which controls whether FCLK or HCLK
is fed 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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Merge together the bits of the S3C2440 and S3C2442 clock code
that can be.
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 the reverse of s3c2410_gpio_getirq to convert
a IRQ number into a GPIO pin number.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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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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S3C2410_DMAF_AUTOSTART used.
Fix the channel parameter to s3c2410_dma_ctrl() in s3c2410_dma_enqueue()
if the S3C2410_DMAF_AUTOSTART is set on the channel.
Spotted by Steven Ryu at Samsung.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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channel number
The s3c2410_dma_request() function should return the channel allocated
instead of zero for success.
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 core resume code may have caused glitches in the GPIO when
restoring the GPIO state due to the order in which the GPIO registers
were being written.
Change the restore process take into account the state of the
GPIOs on resume and the state the system wants to restore them to.
See the code comments in the patch for more details of the process.
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 the call s3c2410_gpio_getpull() to return the
current state of the pin's pull-up.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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If an DMA channel was active at suspend, then ensure that
it is correctly reconfigured when the system resumes.
Note, the previous policy was for each driver to handle their
own reconfiguration on resume. The policy has been changed to
make the individual driver's job easier.
Signed-off-by: Ben Dooks <ben-linux@flfuf.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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the clk
Add checks for clk_set_rate() and ensure that we do not allow set_rate
to be called for a clock that does not have it defined. Add default
methods for fclk, hclk, pclk and mpll.
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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The IIS device is being registered by the Simtec Audio
driver, and thus registering here causes an error due
to device tree naming collision.
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 device is being registered by the Simtec Audio
driver, and thus registering here causes an error due
to device tree naming collision.
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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We have a default display set to 4, when we only have
three registered displays. Fix this argument (a seperate
patch has been generated to ensure that the LCD driver
takes notice of this bug)
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 adds back the registration of HWUART clock on pxa25x
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move the xtime write mode seqlock into timer_tick(), so it only
surrounds the call to do_timer().
This avoids a deadlock in update_process_times() ...
hrtimer_get_softirq_time() which tries to get a read mode seqlock
on xtime, thereby preventing booting.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The original code incorrectly returns Hz instead of KHz.
Signed-off-by: eric miao <eric.miao@marvell.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/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (54 commits)
MAINTIANERS: just use Mike gmail e-mail for contact and pawn the serial driver off onto Sonic
[Blackfin] arch: remove old I2C BF54x porting.
[Blackfin] arch: Add the semtimedop syscall. Upstream uClibc doesn't compile without it.
[Blackfin] arch: fix bug kernel boot message: memory information is not reasonable
[Blackfin] arch: use common flash driver to setup partitions rather than the bf5xx-flash driver
[Blackfin] arch: Fix bug - kernel build with Debug option enabled fails to boot up
[Blackfin] arch: Fix bug Only RTC interrupt can wake up deeper sleep core.
[Blackfin] arch: Add proper SW System Reset delay sequence
[Blackfin] arch: Update copyright date
[Blackfin] arch: GPIO API cleanup and anomaly update
[Blackfin] arch: Fix BUG gpio_direction_output API is not compatitable with GENERIC_GPIO API interface
[Blackfin] arch: Initial checkin of the memory protection support.
[Blackfin] arch: set_bfin_dma_config shouldnt set SYNC or RESTART by default - add argument or option
[Blackfin] arch: Add some comments - fix semicolons
[Blackfin] arch: move all code related to CPLB handling into a new subdirectory under kernel/
[Blackfin] arch: print out list of modules if kernel is crashing and tell people if the kernel is tainted
[Blackfin] arch: enable generic GPIO based I2C driver in STAMP-BF533, EZKIT-BF533 and EZKIT-BF561 boards
[Blackfin] arch: Don't oops_in_progress if single step is comming from the kernel
[Blackfin] arch: Fix BUG - kernel sometimes would stuck with KEYBOARD_GPIO on
[Blackfin] arch: update to latest anomaly sheets
...
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From: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
On the at92sam9263ek board, tell the input subsystem about the buttons.
This patch is taken from Andrew Victor's at91 patchset, then updated to
match the latest kernel code and to use labels printed on the board.
Also update the at91sam9261ek buttons to cope with input changes.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Convert the i2c-au1550 bus driver to platform driver, and
register a platform device for the Alchemy Db/Pb series of
boards.
Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Add polling I2C transfer implementation for PXA I2C. This is needed
for cases where I2C transactions have to occur at times interrups are
disabled.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Acked-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Move the tps65010 header file from the OMAP arch directory to the
more generic <linux/i2c/...> directory, and remove the spurious
dependency of this driver on OMAP.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Migrate all ixp4xx devices to the bitbanging I2C bus driver utilizing
the arch-neutral GPIO API (linux/i2c-gpio.h).
Tested by the nslu2-linux and openwrt projects in public firmware releases.
Signed-off-by: Michael-Luke Jones <mlj28@cam.ac.uk>
Acked-by: Rod Whitby <rod@whitby.id.au>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This patch contains the scheduled removal of legacy I2C RTC drivers with
replacement drivers.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Nicolas Pitre <nico@marvell.com>
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The kprobes code is already able to cope with reentrant probes, so its
handler must be called outside of the region protected by undef_lock.
If ever this lock is released when handlers are called then this commit
could be reverted.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Signed-off-by: Nicolas Pitre <nico@marvell.com>
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If kprobes installs a breakpoint on a "stmdb sp!, {...}" instruction,
and then single-step it by simulation from the exception context, it will
corrupt the saved regs on the stack from the previous context.
To avoid this, let's add an optional parameter to the svc_entry macro
allowing for a hole to be created on the stack before saving the
interrupted context, and use it in the undef_svc handler when kprobes
is enabled.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Signed-off-by: Nicolas Pitre <nico@marvell.com>
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This is a full implementation of Kprobes including Jprobes and
Kretprobes support.
This ARM implementation does not follow the usual kprobes double-
exception model. The traditional model is where the initial kprobes
breakpoint calls kprobe_handler(), which returns from exception to
execute the instruction in its original context, then immediately
re-enters after a second breakpoint (or single-stepping exception)
into post_kprobe_handler(), each time the probe is hit.. The ARM
implementation only executes one kprobes exception per hit, so no
post_kprobe_handler() phase. All side-effects from the kprobe'd
instruction are resolved before returning from the initial exception.
As a result, all instructions are _always_ effectively boosted
regardless of the type of instruction, and even regardless of whether
or not there is a post-handler for the probe.
Signed-off-by: Abhishek Sagar <sagar.abhishek@gmail.com>
Signed-off-by: Quentin Barnes <qbarnes@gmail.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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This is the code implementing instruction single-stepping for kprobes
on ARM.
To get around the limitation of no Next-PC and no hardware single-
stepping, all kprobe'd instructions are split into three camps:
simulation, emulation, and rejected. "Simulated" instructions are
those instructions which behavior is reproduced by straight C code.
"Emulated" instructions are ones that are copied, slightly altered
and executed directly in the instruction slot to reproduce their
behavior. "Rejected" instructions are ones that could be simulated,
but work hasn't been put into simulating them. These instructions
should be very rare, if not unencountered, in the kernel. If ever
needed, code could be added to simulate them.
One might wonder why this and the ptrace singlestep facility are not
sharing some code. Both approaches are fundamentally different because
the ptrace code regains control after the stepped instruction by installing
a breakpoint after the instruction itself, and possibly at the location
where the instruction might be branching to, instead of simulating or
emulating the target instruction.
The ptrace approach isn't suitable for kprobes because the breakpoints
would have to be moved back, and the icache flushed, everytime the
probe is hit to let normal code execution resume, which would have a
significant performance impact. It is also racy on SMP since another
CPU could, with the right timing, sail through the probe point without
being caught. Because ptrace single-stepping always result in a
different process to be scheduled, the concern for performance is much
less significant.
On the other hand, the kprobes approach isn't (currently) suitable for
ptrace because it has no provision for proper user space memory
protection and translation, and even if that was implemented, the gain
wouldn't be worth the added complexity in the ptrace path compared to
the current approach.
So, until kprobes does support user space, both kprobes and ptrace are
best kept independent and separate.
Signed-off-by: Quentin Barnes <qbarnes@gmail.com>
Signed-off-by: Abhishek Sagar <sagar.abhishek@gmail.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Since the PIC is attached to UART1, it doesn't need a kernel device driver
of its own; but powering off is something that the kernel should do, so
this patch forcefully configures the UART1 for 19200 baud and sends the
character that tells the PIC to cut the power.
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Cc: Byron Bradley <byron.bbradley@gmail.com>
Acked-by: Nicolas Pitre <nico@marvell.com>
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This patch adds support for the Orion/MV88F5182 based QNAP
TS-109/TS-209 NAS device. The driver for the S-35390A RTC
chip on this board has been submitted to LKML separately.
Signed-off-by: Byron Bradley <byron.bbradley@gmail.com>
Tested-by: Oyvind Repvik <repvik@kynisk.com>
Tested-by: Tim Ellis <timtimred@foonas.org>
Tested-by: Herbert Valerio Riedel <hvr@gnu.org>
Acked-by: Tzachi Perelstein <tzachi@marvell.com>
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The Orion I2C controller is the same one used in the Discovery
family (MV643XX). This patch include the common platform_device
stuff according to the existing i2c_mv64xxx.c conventions.
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Signed-off-by: Tzachi Perelstein <tzachi@marvell.com>
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I2C adapter drivers are supposed to handle retries on nack by themselves
if they do, so there's no point in setting .retries if they don't.
As this retry mechanism is going away (at least in its current form),
clean this up now so that we don't get build failures later.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Mark A. Greer <mgreer@mvista.com>
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The D-Link DNS-323 uses a M41T80 RTC chip, so enable this driver in
the Orion defconfig.
Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Cc: Herbert Valerio Riedel <hvr@gnu.org>
Acked-by: Nicolas Pitre <nico@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Basic selections for Orion machines
Signed-off-by: Tzachi Perelstein <tzachi@marvell.com>
Signed-off-by: Nicolas Pitre <nico@cam.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
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With this patch USB, SATA (via sata_mv), Ethernet, RTC, LEDs and NOR Flash
work.
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Acked-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
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add MV88F5181 support bits required by D-link DNS-323 patch
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Acked-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
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