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* Merge branches 'boards' and 'fixes' of ↵Haavard Skinnemoen2008-10-2312-38/+35
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
| * avr32: Fix GPIO initcall breakageHaavard Skinnemoen2008-10-236-11/+12
| | | | | | | | | | | | | | | | | | | | Add essential system devices, including GPIO controllers, automatically at core_initcall time. This ensures that the devices are there when the PIO driver gets initialized at postcore_initcall, fixing a bug exposed by commit d6634db8fe1784d0a8e4e156970fec034708446e "avr32: Use platform_driver_probe for pio platform driver". Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
| * avr32: Scale loops_per_jiffy when cpu frequency changesHaavard Skinnemoen2008-10-231-0/+14
| | | | | | | | | | | | | | | | The loops_per_jiffy variable isn't updated when cpufreq changes the CPU frequency. This could cause udelay() and friends to produce wrong delays. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
| * avr32: Fix bug in LCD pin setup on port CAlex Raimondi2008-10-231-1/+1
| | | | | | | | | | | | | | Bug was introduced with the new at32_select_periph function. Signed-off-by: Alex Raimondi <mailinglist@miromico.ch> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
| * Merge branch 'genirq-v28-for-linus' of ↵Linus Torvalds2008-10-201-4/+4
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip This merges branches irq/genirq, irq/sparseirq-v4, timers/hpet-percpu and x86/uv. The sparseirq branch is just preliminary groundwork: no sparse IRQs are actually implemented by this tree anymore - just the new APIs are added while keeping the old way intact as well (the new APIs map 1:1 to irq_desc[]). The 'real' sparse IRQ support will then be a relatively small patch ontop of this - with a v2.6.29 merge target. * 'genirq-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (178 commits) genirq: improve include files intr_remapping: fix typo io_apic: make irq_mis_count available on 64-bit too genirq: fix name space collisions of nr_irqs in arch/* genirq: fix name space collision of nr_irqs in autoprobe.c genirq: use iterators for irq_desc loops proc: fixup irq iterator genirq: add reverse iterator for irq_desc x86: move ack_bad_irq() to irq.c x86: unify show_interrupts() and proc helpers x86: cleanup show_interrupts genirq: cleanup the sparseirq modifications genirq: remove artifacts from sparseirq removal genirq: revert dynarray genirq: remove irq_to_desc_alloc genirq: remove sparse irq code genirq: use inline function for irq_to_desc genirq: consolidate nr_irqs and for_each_irq_desc() x86: remove sparse irq from Kconfig genirq: define nr_irqs for architectures with GENERIC_HARDIRQS=n ...
| | * genirq: fix name space collisions of nr_irqs in arch/*Thomas Gleixner2008-10-161-4/+4
| | | | | | | | | | | | | | | | | | local shadows of global variables are _bad_ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * | container freezer: implement freezer cgroup subsystemMatt Helsley2008-10-201-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements a new freezer subsystem in the control groups framework. It provides a way to stop and resume execution of all tasks in a cgroup by writing in the cgroup filesystem. The freezer subsystem in the container filesystem defines a file named freezer.state. Writing "FROZEN" to the state file will freeze all tasks in the cgroup. Subsequently writing "RUNNING" will unfreeze the tasks in the cgroup. Reading will return the current state. * Examples of usage : # mkdir /containers/freezer # mount -t cgroup -ofreezer freezer /containers # mkdir /containers/0 # echo $some_pid > /containers/0/tasks to get status of the freezer subsystem : # cat /containers/0/freezer.state RUNNING to freeze all tasks in the container : # echo FROZEN > /containers/0/freezer.state # cat /containers/0/freezer.state FREEZING # cat /containers/0/freezer.state FROZEN to unfreeze all tasks in the container : # echo RUNNING > /containers/0/freezer.state # cat /containers/0/freezer.state RUNNING This is the basic mechanism which should do the right thing for user space task in a simple scenario. It's important to note that freezing can be incomplete. In that case we return EBUSY. This means that some tasks in the cgroup are busy doing something that prevents us from completely freezing the cgroup at this time. After EBUSY, the cgroup will remain partially frozen -- reflected by freezer.state reporting "FREEZING" when read. The state will remain "FREEZING" until one of these things happens: 1) Userspace cancels the freezing operation by writing "RUNNING" to the freezer.state file 2) Userspace retries the freezing operation by writing "FROZEN" to the freezer.state file (writing "FREEZING" is not legal and returns EIO) 3) The tasks that blocked the cgroup from entering the "FROZEN" state disappear from the cgroup's set of tasks. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: export thaw_process] Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Matt Helsley <matthltc@us.ibm.com> Acked-by: Serge E. Hallyn <serue@us.ibm.com> Tested-by: Matt Helsley <matthltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | container freezer: add TIF_FREEZE flag to all architecturesMatt Helsley2008-10-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch series introduces a cgroup subsystem that utilizes the swsusp freezer to freeze a group of tasks. It's immediately useful for batch job management scripts. It should also be useful in the future for implementing container checkpoint/restart. The freezer subsystem in the container filesystem defines a cgroup file named freezer.state. Reading freezer.state will return the current state of the cgroup. Writing "FROZEN" to the state file will freeze all tasks in the cgroup. Subsequently writing "RUNNING" will unfreeze the tasks in the cgroup. * Examples of usage : # mkdir /containers/freezer # mount -t cgroup -ofreezer freezer /containers # mkdir /containers/0 # echo $some_pid > /containers/0/tasks to get status of the freezer subsystem : # cat /containers/0/freezer.state RUNNING to freeze all tasks in the container : # echo FROZEN > /containers/0/freezer.state # cat /containers/0/freezer.state FREEZING # cat /containers/0/freezer.state FROZEN to unfreeze all tasks in the container : # echo RUNNING > /containers/0/freezer.state # cat /containers/0/freezer.state RUNNING This patch: The first step in making the refrigerator() available to all architectures, even for those without power management. The purpose of such a change is to be able to use the refrigerator() in a new control group subsystem which will implement a control group freezer. [akpm@linux-foundation.org: fix sparc] Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Matt Helsley <matthltc@us.ibm.com> Acked-by: Pavel Machek <pavel@suse.cz> Acked-by: Serge E. Hallyn <serue@us.ibm.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Nigel Cunningham <nigel@tuxonice.net> Tested-by: Matt Helsley <matthltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Merge branch 'personality' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds2008-10-161-1/+1
| |\ \ | | | | | | | | | | | | | | | | * 'personality' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [PATCH] remove unused ibcs2/PER_SVR4 in SET_PERSONALITY
| | * | [PATCH] remove unused ibcs2/PER_SVR4 in SET_PERSONALITYMartin Schwidefsky2008-10-161-1/+1
| | |/ | | | | | | | | | | | | | | | | | | | | | The SET_PERSONALITY macro is always called with a second argument of 0. Remove the ibcs argument and the various tests to set the PER_SVR4 personality. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| * / cpufreq: remove policy->governor setting in drivers initializationDominik Brodowski2008-10-161-1/+0
| |/ | | | | | | | | | | | | | | | | | | | | | | As policy->governor is already set to CPUFREQ_DEFAULT_GOVERNOR in the (always built-in) cpufreq core, we do not need to set it in the drivers. This fixes the sparc64 allmodconfig build failure. Also, remove a totally useles setting of ->policy in cpufreq-pxa3xx.c. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * Merge branch 'master' of ↵David Woodhouse2008-10-1331-274/+820
| |\ | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: include/asm-x86/statfs.h
| * | Remove asm/a.out.h files for all architectures without a.out support.Adrian Bunk2008-09-061-20/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch also includes the required removal of (unused) inclusion of <asm/a.out.h> <linux/a.out.h>'s in the arch/ code for these architectures. [dwmw2: updated for 2.6.27-rc] Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* | | avr32: Add defconfig for the favr-32 boardHaavard Skinnemoen2008-10-141-0/+1235
| | | | | | | | | | | | | | | | | | Taken from buildroot. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Add defconfig for the mimc200 boardHaavard Skinnemoen2008-10-131-0/+1109
| | | | | | | | | | | | | | | | | | Provided by Mark Jackson. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Add MIMC200 board supportMark Jackson2008-10-136-0/+466
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Please consider the following patch which adds support for a new AVR32 based board. The board is closely based on Atmel's NGW100 reference board, but has an extra 8MByte FLASH and 128KByte FRAM. Signed-off-by: Mark Jackson <mpfj@mimc.co.uk> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Fix MIMC200 board use of SPD network pinsMark Jackson2008-10-131-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The MIMC200 board uses the SPD output pin from the Ethernet MACs for other purposes. One of these is as a board-reset, so I've had to #define off the SPD output pin declaration. This is probably not the best way of achieving this, but works in the current framework. Signed-off-by: Mark Jackson <mpfj@mimc.co.uk> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: add support for EarthLCD Favr-32 boardHans-Christian Egtvedt2008-10-136-0/+479
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for the Favr-32 board made by EarthLCD. This kit, which is also called ezLCD-101, has a 10.4" touch screen LCD panel, 16 MB 32-bit SDRAM, 8 MB parallel flash, Ethernet, audio out, USB device, SD-card slot, USART and various other connectors for cennecting stuff to SPI, I2C, GPIO, etc. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Add support for EVKLCD10X addon boardsHans-Christian Egtvedt2008-10-137-1/+2726
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch lets the user enable support for EVKLCD100 and EVKLCD101 (refered to by EVKLCD10X). By enabling EVKLCD10X support the LCD controller and AC97 controller platform devices are added. The user can also choose between the EVKLCD100 (QVGA display) and the EVKLCD101 (VGA display), this is added to automagically select the correct panel timing and resolution parameters. Enabling support for EVKLCD10X addon board will cripple the MCI platform device a bit since they share two GPIO lines (detect and write-protect). These two lines are disabled when EVKLCD10X is enabled. The default configurations are based upon ATNGW100, but with added AC97C and LCDC driver. Virtual terminal is also enabled by default for EVKLCD10X boards. Verified on hardware with a NGW100 + EVKLCD100/101. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Kconfig: Remove pointless if around atstk1000 includeHaavard Skinnemoen2008-10-131-2/+0
| |/ |/| | | | | | | | | | | | | The contents of the ATSTK1000 Kconfig file itself is completely conditional, so including it conditionally makes no sense and only adds clutter. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | avr32: Fix build failures in board codeHaavard Skinnemoen2008-10-123-1/+3
| | | | | | | | | | | | | | Fix a few instances of board code breakage introduced by the atmel-mci platform interface changes. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | avr32: Allow selecting multiple pins at onceJulien May2008-10-127-148/+212
| | | | | | | | | | | | | | | | at32_select_periph() now takes an u32 bitmask rather than a single pin. This allows to set multiple pins at once. Signed-off-by: Alex Raimondi <mailinglist@miromico.ch> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | Merge branch 'master' of ↵Haavard Skinnemoen2008-10-126-30/+139
|\ \ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/atmel-mci-2.6.28
| * | atmel-mci: Add experimental DMA supportHaavard Skinnemoen2008-10-052-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for DMA transfers through the generic DMA engine framework with the DMA slave extensions. The driver has been tested using mmc-block and ext3fs on several SD, SDHC and MMC+ cards. Reads and writes work fine, with read transfer rates up to 7.5 MiB/s on fast cards with debugging disabled. Unfortunately, the driver has been known to lock up from time to time with DMA enabled, so DMA support is currently optional and marked EXPERIMENTAL. However, I didn't see any problems while testing 13 different cards (MMC, SD and SDHC of different brands and sizes), so I suspect the "Initialize BLKR before sending data transfer command" fix that was posted earlier fixed this as well. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
| * | atmel-mci: support multiple mmc slotsHaavard Skinnemoen2008-10-051-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Atmel MCI controller can drive multiple cards through separate sets of pins, but only one at a time. This patch adds support for multiplexing access to the controller so that multiple card slots can be used as if they were hooked up to separate mmc controllers. The atmel-mci driver registers each slot as a separate mmc_host. Both access the same common controller state, but they also have some state on their own for card detection/write protect handling, and separate shadows of the MR and SDCR registers. When one of the slots receives a request from the mmc core, the common controller state is checked. If it's idle, the request is submitted immediately. If not, the request is added to a queue. When a request is done, the queue is checked and if there is a queued request, it is submitted before the completion callback is called. This patch also includes a few cleanups and fixes, including a locking overhaul. I had to change the locking extensively in any case, so I might as well try to get it right. The driver no longer takes any irq-safe locks, which may or may not improve the overall system performance. This patch also adds a bit of documentation of the internal data structures. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
| * | atmel-mci: Platform code for supporting multiple mmc slotsHaavard Skinnemoen2008-10-056-30/+113
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the necessary platform infrastructure to support multiple mmc/sdcard slots all at once through a single controller. Currently, the driver will use the first valid slot it finds and stick with that, but later patches will add support for switching between several slots on the fly. Extend the platform data structure with per-slot information: MMC/SDcard bus width and card detect/write protect pins. This will affect the pin muxing as well as the capabilities announced to the mmc core. Note that board code is now required to supply a mci_platform_data struct to at32_add_device_mci(). Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Minor pm_power_off cleanupHaavard Skinnemoen2008-10-081-1/+2
| | | | | | | | | | | | | | | | | | | | | Include <linux/pm.h> to see the declaration of pm_power_off, and remove unneeded NULL initializer. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Implement {read,write}[bwl]_beHaavard Skinnemoen2008-10-081-0/+8
| | | | | | | | | | | | Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Replace static clock list with dynamic linked listAlex Raimondi2008-10-053-24/+58
| | | | | | | | | | | | | | | | | | | | | | | | This replaces the at32_clock_list array with a linked list. Clocks can now be registered (added) to the list. Signed-off-by: Alex Raimondi <raimondi@miromico.ch> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Use platform_driver_probe for pdc platform driverUwe Kleine-König2008-09-221-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The probe function of the pdc platform driver lives in the init section and so a pdc device that is created after the init section is discarded probably results in an oops. Even if this cannot happen, using platform_driver_probe is cleaner. (If this can happen and should be supported the probe function must live in the devinit section instead.) Signed-off-by: Uwe Kleine-König <ukleinek@strlen.de> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Use platform_driver_probe for pio platform driverUwe Kleine-König2008-09-221-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The probe function of the pio platform driver lives in the init section and so a pio device that is created after the init section is discarded probably results in an oops. Even if this cannot happen, using platform_driver_probe is cleaner. (If this can happen and should be supported the probe function must live in the devinit section instead.) Signed-off-by: Uwe Kleine-König <ukleinek@strlen.de> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Provide a way to deselect pins in the portmuxHaavard Skinnemoen2008-09-222-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, setting up the portmux is completely one-shot: Once a pin is muxed, the portmux driver will complain loudly and refuse to do anything if you try to set up the same pin again. Sometimes, it may be necessary to change the configuration of a pin after it has been set up initially. This patch adds a way to undo the previous configuration, allowing the pin to be reconfigured. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | ngw100: export J15 through sysfsDavid Brownell2008-09-221-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The NGW100 board has jumper J15 (near the reset button) which is unused. This patch exports it through the GPIO sysfs support (as /sys/class/gpio/gpio62/value) so that it's easily queried by boot scripts or whatever might want to know if the jumper has been installed (value = 0) or not (value = 1, "default"). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> [haavard.skinnemoen@atmel.com: add missing include] Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: Allow fine-grained control over LCDC pinsJulien May2008-09-225-73/+158
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This replaces the pin_config param with an u64 pin_mask in at32_add_device_lcdc, allowing a board-maintainer to indivually select specific lcdc pins. Signed-off-by: Alex Raimondi <raimondi@miromico.ch> Signed-off-by: Julien May <jmay@miromico.ch> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: added mem kernel command line option supportMarco Stornelli2008-09-221-0/+19
| | | | | | | | | | | | | | | Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | Add kernel support for oprofile callgraphs on AVR32Nikolaus Voss2008-09-223-1/+86
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds backtracing capability to oprofile profiling in kernel and user mode on AVR32. This is done by going through the frames on the stack and adding oprofile traces for all return addresses. The code being profiled has to be compiled with frame pointers to make this work. Signed-off-by: Nikolaus Voss <n.voss@weinmann.de> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | | avr32: use the new byteorder headersHarvey Harrison2008-09-222-10/+15
|/ / | | | | | | | | | | Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> [haavard.skinnemoen@atmel.com: fix <mach/io.h> build breakage] Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | avr32: nmi_enter() without nmi_exit()Manfred Spraul2008-09-191-4/+4
| | | | | | | | | | | | | | | | | | | | While updating the rcu code, I noticed that do_nmi() for AVR32 is odd: There is an nmi_enter() call without an nmi_exit(). This can't be correct, it breaks rcu (at least the preempt version) and lockdep. [haavard.skinnemoen@atmel.com: fixed another case that returned directly] Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | avr32: fix sys_sync_file_range() call conventionHans-Christian Egtvedt2008-09-192-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | On AVR32, all parameters beyond the 5th are passed on the stack. System calls don't use the stack -- they borrow a callee-saved register instead. This means that syscalls that take 6 parameters must be called through a stub that pushes the last parameter on the stack. This patch adds a stub for sync_file_range syscall on AVR32 architecture. Tested with uClibc snapshot. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | avr32: add generic_find_next_le_bit bit functionHans-Christian Egtvedt2008-09-192-0/+31
| | | | | | | | | | | | | | | | This patch implements the generic_find_next_le_bit bit function for AVR32 architecture. This is used by EXT4 file system. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | avr32: add .gitignore filesMarkus Heidelberg2008-09-192-0/+5
| | | | | | | | | | | | | | Ignore Kernel binaries, kernel/vmlinux.lds and a log file. Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | atstk1000: fix build breakage with BOARD_ATSTK100X_SW2_CUSTOM=yHaavard Skinnemoen2008-09-191-1/+1
| | | | | | | | | | | | | | The #ifdef surrounding the code adding the mmc controller had a typo, causing it to be compiled even when mmc was supposed to be disabled. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | avr32: pm_standby low-power ram bug fixHumphrey Bucknell2008-09-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The value stored into the SDRAMC LPR register should be the current value of the register with the Self-refresh value set in the lower bit field. The bug involved only the Self-refresh value being written to the register, thus over writing any low-power ram settings. Signed-off-by: Humphrey Bucknell <hbucknell@saitek.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | avr32: Fix lockup after Java stack underflow in user modeHaavard Skinnemoen2008-09-012-2/+63
|/ | | | | | | | | | | | | | | When using the Java Extension Module hardware, a Java stack underflow or overflow trap may cause the system to enter an infinite exception loop. Although there's no kernel support for the Java hardware yet, we need to be able to recover from this situation and keep the system running. This patch adds code to detect and fixup this situation in the critical exception handler and terminate the faulting process. We may have to rethink how to handle this more gracefully when the necessary kernel support for hardware-accelerated Java is added. Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* avr32: Make atstk1006_nand_data definition staticHaavard Skinnemoen2008-08-081-1/+1
| | | | Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* avr32: Reduce DataFlash bus speed to 8 MHz on ATNGW100Haavard Skinnemoen2008-08-081-1/+1
| | | | | | | | Doing this in combination with "atmel_spi: fix hang due to missed interrupt" appears to eliminate the overruns I'm seeing when using JFFS2-on-DataFlash as /usr filesystem on the ATNGW100. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* avr32: Update defconfigsHaavard Skinnemoen2008-08-085-156/+1593
| | | | | | | | Enable power management, DMA and MMC on all boards except ATSTK1004, and add defconfig for the new ATSTK1006 board with NAND flash, UBI and UBIFS enabled as well. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* avr32: Clean up HMATRIX codeHaavard Skinnemoen2008-08-086-201/+180
| | | | | | | | | | | Introduce a few helper functions for HMATRIX configuration and clean up the register definitions. Also add definitions for the HMATRIX master and slave IDs on the AT32AP700x chips. Also make the definitions in hmatrix.h available to board code by moving it to <mach/hmatrix.h> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* avr32: Add MMIO address definitions for certain controllersHaavard Skinnemoen2008-08-084-13/+13
| | | | | | | | Hardcoded MMIO base addresses are used a few places throughout the platform code. Move these into the chip-specific header file so that adding support for new chips becomes a bit easier. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* avr32: Introduce <mach/chip.h>Haavard Skinnemoen2008-08-081-0/+19
| | | | | | | | | This file includes the appropriate chip-specific header with MMIO, IRQ and GPIO definitions used by the platform code. It may also be used to provide inline GPIO accessors for drivers that are willing to sacrifice portability for faster bitbanging. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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