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| * | | [ARM] 5549/1: Add clock api for w90p910 platform.wanzongshun2009-06-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Add clock api for w90p910 platform. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | [ARM] 5548/1: Add gpio api for w90p910 platformwanzongshun2009-06-111-0/+2
| | |/ | |/| | | | | | | | | | | | | | | | Add gpio api for w90p910 platform. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | Merge branch 'for_rmk' of ↵Russell King2009-06-101-4/+4
|\ \ \ | | | | | | | | | | | | git://dev.omapzoom.org/pub/scm/santosh/kernel-omap4-base into devel
| * | | ARM: OMAP4: SMP: Enable SMP support for OMAP4430Santosh Shilimkar2009-06-091-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | This patch enables SMP on OMAP4430 SDP platform. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
* | | | Merge branch 'for-rmk' of git://git.marvell.com/orion into develRussell King2009-06-081-0/+3
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| * | | [ARM] orion: convert gpio to use gpiolibErik Benada2009-06-081-0/+3
| | |/ | |/| | | | | | | | | | | | | | | | | | | Signed-off-by: Erik Benada <erikbenada@yahoo.ca> [ nico: fix locking, additional cleanups ] Signed-off-by: Nicolas Pitre <nico@marvell.com>
* | | Merge branch 'smp' into develRussell King2009-06-011-0/+15
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| * | | [ARM] smp: allow re-use of realview localtimer TWD supportRussell King2009-05-171-0/+7
| | | | | | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | [ARM] smp: separate SCU support code from realviewRussell King2009-05-171-0/+7
| | | | | | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | [ARM] smp: move core localtimer support out of platform specific filesRussell King2009-05-171-0/+1
| | | | | | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | | [ARM] Kconfig: remove 'default n'Russell King2009-05-311-7/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | | | Merge branch 'for-next' of ↵Russell King2009-05-291-3/+4
|\ \ \ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci into devel
| * | | | davinci: add SRAM allocatorDavid Brownell2009-05-281-0/+1
| | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * | | [ARM] Double check memmap is actually valid with a memmap has unexpected ↵Mel Gorman2009-05-181-3/+3
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | holes V2 pfn_valid() is meant to be able to tell if a given PFN has valid memmap associated with it or not. In FLATMEM, it is expected that holes always have valid memmap as long as there is valid PFNs either side of the hole. In SPARSEMEM, it is assumed that a valid section has a memmap for the entire section. However, ARM and maybe other embedded architectures in the future free memmap backing holes to save memory on the assumption the memmap is never used. The page_zone linkages are then broken even though pfn_valid() returns true. A walker of the full memmap must then do this additional check to ensure the memmap they are looking at is sane by making sure the zone and PFN linkages are still valid. This is expensive, but walkers of the full memmap are extremely rare. This was caught before for FLATMEM and hacked around but it hits again for SPARSEMEM because the page_zone linkages can look ok where the PFN linkages are totally screwed. This looks like a hatchet job but the reality is that any clean solution would end up consumning all the memory saved by punching these unexpected holes in the memmap. For example, we tried marking the memmap within the section invalid but the section size exceeds the size of the hole in most cases so pfn_valid() starts returning false where valid memmap exists. Shrinking the size of the section would increase memory consumption offsetting the gains. This patch identifies when an architecture is punching unexpected holes in the memmap that the memory model cannot automatically detect and sets ARCH_HAS_HOLES_MEMORYMODEL. At the moment, this is restricted to EP93xx which is the model sub-architecture this has been reported on but may expand later. When set, walkers of the full memmap must call memmap_valid_within() for each PFN and passing in what it expects the page and zone to be for that PFN. If it finds the linkages to be broken, it assumes the memmap is invalid for that PFN. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | Merge branch 'for-rmk-devel' of git://git.pengutronix.de/git/imx/linux-2.6 ↵Russell King2009-05-231-24/+55
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | into devel Conflicts: arch/arm/Kconfig arch/arm/Makefile
| * | [ARM] Remove arch-imx from build systemSascha Hauer2009-05-071-21/+7
| |/ | | | | | | | | | | | | arch-imx is superseeded by the MXC architecture support. This patch removes arch-imx from the build system. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * ARM: ARCH_MXC should select HAVE_CLKGuennadi Liakhovetski2009-05-051-0/+1
| | | | | | | | | | | | | | All i.MX platforms support <linux/clk.h> calls and should select HAVE_CLK. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * [ARM] 5489/1: ARM errata: Data written to the L2 cache can be overwritten ↵Catalin Marinas2009-04-301-0/+12
| | | | | | | | | | | | | | | | | | | | | | with stale data This patch is a workaround for the 460075 Cortex-A8 (r2p0) erratum. It configures the L2 cache auxiliary control register so that the Write Allocate mode for the L2 cache is disabled. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 5490/1: ARM errata: Processor deadlock when a false hazard is createdCatalin Marinas2009-04-301-0/+13
| | | | | | | | | | | | | | | | | | This patch adds a workaround for the 458693 Cortex-A8 (r2p0) erratum. It sets the corresponding bits in the auxiliary control register so that the PLD instruction becomes a NOP. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 5487/1: ARM errata: Stale prediction on replaced interworking branchCatalin Marinas2009-04-301-0/+16
| | | | | | | | | | | | | | | | This patch adds the workaround for the 430973 Cortex-A8 (r1p0..r1p2) erratum. The BTAC/BTB is now flushed at every context switch. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 5488/1: ARM errata: Invalidation of the Instruction Cache operation ↵Catalin Marinas2009-04-301-0/+9
| | | | | | | | | | | | | | | | | | | | can fail This patch implements the recommended workaround for erratum 411920 (ARM1136, ARM1156, ARM1176). Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * Merge branch 'fix' of ↵Russell King2009-04-281-8/+0
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
| | * [ARM] pxa: remove unused CPU_FREQ_PXA Kconfig symbolPhilipp Zabel2009-04-271-6/+0
| | | | | | | | | | | | | | | | | | | | | | | | cpufreq drivers for pxa2xx/3xx are now built-in automatically as soon as CPU_FREQ is enabled. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Eric Miao <eric.miao@marvell.com>
| | * [ARM] pxa: remove duplicate select statements from KconfigGuennadi Liakhovetski2009-04-271-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | ARCH_PXA selects HAVE_CLK and COMMON_CLKDEV twice in arch/arm/Kconfig. Remove the second entry. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Eric Miao <eric.miao@marvell.com>
| * | davinci: major rework of clock, PLL, PSC infrastructureKevin Hilman2009-04-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a significant rework of the low-level clock, PLL and Power Sleep Controller (PSC) implementation for the DaVinci family. The primary goal is to have better modeling if the hardware clocks and features with the aim of DVFS functionality. Highlights: - model PLLs and all PLL-derived clocks - model parent/child relationships of PLLs and clocks - convert to new clkdev layer - view clock frequency and refcount via /proc/davinci_clocks Special thanks to significant contributions and testing by David Brownell. Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | davinci: add default Kconfig, add HAVE_IDEKevin Hilman2009-04-231-0/+1
| |/ | | | | | | Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* / [ARM] Kconfig: sort ARM machine class support choice list by option nameRussell King2009-04-271-68/+68
|/ | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Merge branch 'for-rmk' of git://gitorious.org/linux-gemini/mainline into develRussell King2009-03-261-0/+10
|\ | | | | | | | | | | | | Conflicts: arch/arm/mm/Kconfig Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * Gemini: gpiolib based GPIO support v2Paulius Zaleckas2009-03-261-0/+2
| | | | | | | | | | | | | | v2: - update copyrights Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
| * ARM: Add Gemini architecture v3Paulius Zaleckas2009-03-261-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adds support for Cortina Systems Gemini family CPUs: http://www.cortina-systems.com/products/category/18 v3: - fixed __io(a) to be defined as __typesafe_io(a) v2: - #include <asm/io.h> -> <linux/io.h> - remove asm/system.h include - revorked mm.c to use named initializers - removed "empty" dma.h - updated copyrights Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
* | Merge branch 'highmem' into develRussell King2009-03-241-0/+17
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| * | [ARM] add CONFIG_HIGHMEM optionNicolas Pitre2009-03-151-0/+17
| |/ | | | | | | | | | | | | | | | | | | | | | | | | Here it is... HIGHMEM for the ARM architecture. :-) If you don't have enough ram for highmem pages to be allocated and still want to test this, then the cmdline option "vmalloc=" can be used with a value large enough to force the highmem threshold down. Successfully tested on a Marvell DB-78x00-BP Development Board with 2 GB of RAM. Signed-off-by: Nicolas Pitre <nico@marvell.com>
* | [ARM] pxa: add base support for Marvell PXA910Eric Miao2009-03-231-2/+2
| | | | | | | | | | Signed-off-by: Bin Yang <bin.yang@marvell.com> Signed-off-by: Eric Miao <eric.miao@marvell.com>
* | [ARM] pxa: add GPIO support for pxa168Eric Miao2009-03-231-0/+2
| | | | | | | | Signed-off-by: Eric Miao <eric.miao@marvell.com>
* | [ARM] pxa: add iWMMXt support for pxa168Eric Miao2009-03-231-2/+2
| | | | | | | | Signed-off-by: Eric Miao <eric.miao@marvell.com>
* | [ARM] pxa: add base support for Marvell's PXA168 processor lineEric Miao2009-03-231-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | """The Marvell® PXA168 processor is the first in a family of application processors targeted at mass market opportunities in computing and consumer devices. It balances high computing and multimedia performance with low power consumption to support extended battery life, and includes a wealth of integrated peripherals to reduce overall BOM cost .... """ See http://www.marvell.com/featured/pxa168.jsp for more information. 1. Marvell Mohawk core is a hybrid of xscale3 and its own ARM core, there are many enhancements like instructions for flushing the whole D-cache, and so on 2. Clock reuses Russell's common clkdev, and added the basic support for UART1/2. 3. Devices are a bit different from the 'mach-pxa' way, the platform devices are now dynamically allocated only when necessary (i.e. when pxa_register_device() is called). Description for each device are stored in an array of 'struct pxa_device_desc'. Now that: a. this array of device description is marked with __initdata and can be freed up system is fully up b. which means board code has to add all needed devices early in his initializing function c. platform specific data can now be marked as __initdata since they are allocated and copied by platform_device_add_data() 4. only the basic UART1/2/3 are added, more devices will come later. Signed-off-by: Jason Chagas <chagas@marvell.com> Signed-off-by: Eric Miao <eric.miao@marvell.com>
* | [ARM] pxa: introduce plat-pxa for PXA common code and add DMA supportEric Miao2009-03-231-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. introduce folder of 'arch/arm/plat-pxa' for common code across different PXA processor families 2. initially moved DMA code into plat-pxa 3. common code in <mach/dma.h> moved into <plat/dma.h>, new processors should implement its own <mach/dma.h>, provide the following required definitions and '#include <plat/dma.h>' in the end: - DMAC_REGS_VIRT for mapped virtual address of the DMA registers' physical I/O memory Signed-off-by: Eric Miao <eric.miao@marvell.com>
* | [ARM] 5407/1: SA1100: drop broken for ages iPAQ h3800 supportDmitry Artamonow2009-02-211-1/+1
| | | | | | | | | | | | | | | | Code has never been in buildable state since initial merge. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] 5373/2: Add gpiolib support to AT91Ryan Mallon2009-02-121-0/+1
|/ | | | | | | | | Add support for gpiolib, including debugfs output, to the AT91 family. The at91_get/set_gpio_value calls still exist since they are used by the atmel serial driver. Signed-off-by: Ryan Mallon <ryan@bluewatersys.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Staging: Kconfig for ARCH=arm,8300, crisF. Duncan M. Haldane2009-01-061-0/+2
| | | | | | | | | | | | | | The new Kconfig option to build "staging" drivers (code in drivers/staging/) is seen in all except three architectures (arm, h8300, cris), because in these cases arch/$ARCH/Kconfig does NOT source drivers/Kconfig. This patch adds the source "drivers/staging/Kconfig" to arch/$ARCH/Kconfig for these three exceptional cases. Signed-off-by: Duncan Haldane <duncan_h@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Merge git://git.marvell.com/orion into develRussell King2008-12-201-0/+2
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| * [ARM] mv78xx0: implement GPIO and GPIO interrupt supportLennert Buytenhek2008-12-201-0/+1
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: Nicolas Pitre <nico@marvell.com>
| * [ARM] Kirkwood: implement GPIO and GPIO interrupt supportLennert Buytenhek2008-12-201-0/+1
| | | | | | | | | | Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: Nicolas Pitre <nico@marvell.com>
* | Merge branch 'for-rmk' of git://git.pengutronix.de/git/ukl/linux-2.6 into develRussell King2008-12-191-1/+2
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| * Merge branch 'for-rmk-misc' into for-rmkUwe Kleine-Koenig2008-12-121-1/+0
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| | * remove a superfluous kconfig type definitionUwe Kleine-König2008-12-121-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's either bool default y or def_bool y but not a mixture of both. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
| * | netx: add support for clockeventsUwe Kleine-König2008-12-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | This is based on a patch by Luotao Fu <lfu@pengutronix.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Luotao Fu <lfu@pengutronix.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | netx: enable GENERIC_TIMEUwe Kleine-König2008-12-091-0/+1
| |/ | | | | | | | | | | | | | | the needed infrastructure is already in place, only selecting GENERIC_TIME was missing. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'next-merged' of git://aeryn.fluff.org.uk/bjdooks/linux into develRussell King2008-12-181-0/+13
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| * | [ARM] S3C64XX: Initial arch directoryBen Dooks2008-12-151-0/+13
| | | | | | | | | | | | | | | | | | | | | Add the initial PLAT_S3C64XX support files and directory structure. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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