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* Merge branch 'for-rmk' of git://linux-arm.org/linux-2.6 into develRussell King2009-06-1119-374/+1064
|\ | | | | | | | | | | | | | | Conflicts: arch/arm/Kconfig arch/arm/kernel/smp.c arch/arm/mach-realview/Makefile arch/arm/mach-realview/platsmp.c
| * RealView: Move the IRQ_* definitions out of the board-*.h filesCatalin Marinas2009-05-3012-461/+571
| | | | | | | | | | | | | | The IRQ_* macros need to be made visible via the mach/irqs.h file but without the additional macros defined in the board-*.h files. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * RealView: Toggle one LED per CPUCatalin Marinas2009-05-301-3/+4
| | | | | | | | | | | | | | If CONFIG_LEDS is enabled, it makes more sense to toggle one LED per CPU in SMP systems rather than a single LED for all the CPUs. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * RealView: Allow access to the secure flash memory block on PB1176Catalin Marinas2009-05-303-5/+29
| | | | | | | | | | | | | | | | | | This patch adds a Kconfig option for specifying whether Linux will only be run in secure mode on the RealView PB1176 platform. Enabling it will make the secure flash memory block (64MB @ 0x3c000000) available to Linux. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * RealView: Add support for the RealView/PBX platformColin Tuckley2009-05-308-1/+556
| | | | | | | | | | | | | | | | | | This is a RealView platform supporting core tiles with ARM11MPCore, Cortex-A8 or Cortex-A9 (multicore) processors. It has support for MMC, CompactFlash, PCI-E. Signed-off-by: Colin Tuckley <colin.tuckley@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
* | Merge branch 'smp' into develRussell King2009-06-017-234/+24
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| * | [ARM] smp: use new cpumask functionsRussell King2009-05-281-2/+2
| | | | | | | | | | | | | | | | | | Convert cpu_*_mask bit twiddling to the new set_cpu_*() API. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] smp: allow re-use of realview localtimer TWD supportRussell King2009-05-175-144/+8
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] smp: separate SCU support code from realviewRussell King2009-05-171-24/+5
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] smp: SCU is used on non-realview platformsRussell King2009-05-172-14/+1
| | | | | | | | | | | | | | | | | | | | | The SCU can be used by non-realview platforms, so make it visible for other people to use rather than having them copy the header file. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] smp: move core localtimer support out of platform specific filesRussell King2009-05-172-63/+21
| |/ | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* / [ARM] Kconfig: remove 'default n'Russell King2009-05-311-1/+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>
* [ARM] realview: fix broadcast tick supportRussell King2009-05-173-14/+6
| | | | | | | | | | Having discussed broadcast tick support with Thomas Glexiner, the broadcast tick devices should be registered with a higher rating than the global tick device, and it should have the ONESHOT and PERIODIC feature flags set. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Thomas Glexiner <tglx@linutronix.de>
* [ARM] realview: remove useless smp_cross_call_done()Russell King2009-05-172-14/+0
| | | | | | | | smp_cross_call_done() is a no-op for MPCore, and since it's only used by platform code, there's no point in having it unless it's doing something. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] smp: fix cpumask usage in ARM SMP codeRussell King2009-05-172-5/+5
| | | | | | | The ARM SMP code wasn't properly updated for the cpumask changes, which results in smp_timer_broadcast() broadcasting ticks to non-online CPUs. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* clocksource: pass clocksource to read() callbackMagnus Damm2009-04-211-1/+1
| | | | | | | | | | | | | | Pass clocksource pointer to the read() callback for clocksources. This allows us to share the callback between multiple instances. [hugh@veritas.com: fix powerpc build of clocksource pass clocksource mods] [akpm@linux-foundation.org: cleanup] Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: John Stultz <johnstul@us.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'smsc911x-armplatforms' of git://github.com/steveglen/linux-2.6Russell King2009-04-021-8/+9
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| * arm: convert realview platform to use smsc911xSteve Glendinning2009-04-021-8/+9
| | | | | | | | Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
* | [ARM] 5444/1: ARM: Realview: Fix event-device multiplicators in localtimer.cSantosh Shilimkar2009-04-021-0/+1
|/ | | | | | | | | | Set the "mult" to finite value in the local_timer_setup in case of CONFIG_LOCAL_TIMERS not enabled. Othewise this throws warning in the boot log because of detect zero event-device multiplicators. This can cause division-by-zero crashes. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] pass reboot command line to arch_reset()Russell King2009-03-191-1/+1
| | | | | | | | | | | | | | | OMAP wishes to pass state to the boot loader upon reboot in order to instruct it whether to wait for USB-based reflashing or not. There is already a facility to do this via the reboot() syscall, except we ignore the string passed to machine_restart(). This patch fixes things to pass this string to arch_reset(). This means that we keep the reboot mode limited to telling the kernel _how_ to perform the reboot which should be independent of what we request the boot loader to do. Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 5397/1: RealView: Add support for the ISP1761 USB chipCatalin Marinas2009-02-196-0/+70
| | | | | | | | This patch adds the platform_device and resource structures for the USB ISP1761 chip, usable with the in-kernel isp1760 driver. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 5396/1: RealView: Use PATA_PLATFORM to access the CompactFlashCatalin Marinas2009-02-197-54/+39
| | | | | | | | | | This driver adds the platform_device definitions to allow the use of CompactFlash on the RealView PB11MPCore and PB-A8 platforms. Note that the CompactFlash controller is expected to be initialised by the Boot Monitor and support the True IDE mode. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 5395/1: RealView: Add support for the DS1338 RTC chipCatalin Marinas2009-02-192-1/+16
| | | | | | | | | This chip is on the I2C bus on the RealView and Versatile boards. The patch adds the i2c_board_info definition for this device and registers it with the I2C subsystem. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Fix realview buildRussell King2009-01-081-0/+1
| | | | | | | arch/arm/mach-realview/platsmp.c:140: error: 'jiffies' undeclared (first use in this function) drivers/amba/bus.c:246: error: 'NO_IRQ' undeclared (first use in this function) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* arm: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers2009-01-061-1/+1
| | | | | | Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Merge branch 'cpus4096-for-linus-2' of ↵Linus Torvalds2009-01-022-3/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits) x86: export vector_used_by_percpu_irq x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and() sched: nominate preferred wakeup cpu, fix x86: fix lguest used_vectors breakage, -v2 x86: fix warning in arch/x86/kernel/io_apic.c sched: fix warning in kernel/sched.c sched: move test_sd_parent() to an SMP section of sched.h sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0 sched: activate active load balancing in new idle cpus sched: bias task wakeups to preferred semi-idle packages sched: nominate preferred wakeup cpu sched: favour lower logical cpu number for sched_mc balance sched: framework for sched_mc/smt_power_savings=N sched: convert BALANCE_FOR_xx_POWER to inline functions x86: use possible_cpus=NUM to extend the possible cpus allowed x86: fix cpu_mask_to_apicid_and to include cpu_online_mask x86: update io_apic.c to the new cpumask code x86: Introduce topology_core_cpumask()/topology_thread_cpumask() x86: xen: use smp_call_function_many() x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c ... Fixed up trivial conflict in kernel/time/tick-sched.c manually
| * cpumask: convert struct clock_event_device to cpumask pointers.Rusty Russell2008-12-132-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | Impact: change calling convention of existing clock_event APIs struct clock_event_timer's cpumask field gets changed to take pointer, as does the ->broadcast function. Another single-patch change. For safety, we BUG_ON() in clockevents_register_device() if it's not set. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Ingo Molnar <mingo@elte.hu>
* | Merge branch 'for-rmk-realview' of git://linux-arm.org/linux-2.6 into develRussell King2008-12-0121-115/+677
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| * | RealView: Select CPU_V6 for MACH_REALVIEW_PB11MPCatalin Marinas2008-12-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | This seems to be missing from the arm:devel branch, though the other RealView configurations were modified accordingly. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Allow the in-kernel smc911x.c driver on RealViewCatalin Marinas2008-12-011-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | This patch adds smc911x.c device configuration to the RealView platforms. At some point it may be changed to the new smsc911x.c driver (once complete testing was done). Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Refactor the Ethernet device registrationCatalin Marinas2008-12-016-37/+24
| | | | | | | | | | | | | | | | | | | | | | | | This patch moves the Ethernet device registration from individual realview_*.c files to core.c. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Clean up the machine_is_*() calls in platsmp.cCatalin Marinas2008-12-013-26/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some of the calls weren't necessary and some others were duplicated. This patch tidies up the platsmp.c file. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Use only the shadow mapping of ARM11MPCore local timersCatalin Marinas2008-12-018-39/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All the cases where the local timer for a CPU is accessed happen on the corresponding current CPU, hence no need to access the per-CPU local timer mappings. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Add Cortex-A9 support to the EB boardJon Callan2008-12-014-9/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the necessary definitions and Kconfig entries to enable Cortex-A9 (ARMv7 SMP) tiles on the RealView/EB board. Signed-off-by: Jon Callan <Jon.Callan@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Use flush_cache_all() rather than MCR in cpu_enter_lowpower()Harry Fearnhamm2008-12-011-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The MCR for flushing the whole D cache is undefined on ARMv7 CPUs. Signed-off-by: Harry Fearnhamm <Harry.Fearnhamm@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Add support for the Cortex-A8 Platform BaseboardBahadir Balban2008-12-017-1/+475
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for RealView/PB-A8, a platform based on Cortex-A8 with support for PCI-E and compact flash. Signed-off-by: Bahadir Balban <bahadir.balban@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Allow PHYS_OFFSET at 0x70000000Catalin Marinas2008-12-016-4/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | RealView boards like PB11MPCore have 512MB of RAM available contiguously at 0x70000000. Half of the memory is mirrored at 0x00000000 for backwards compatibility. This patch adds the CONFIG_REALVIEW_HIGH_PHYS_OFFSET option option to change the physical base address so that the full amount of RAM is available to Linux. Note that the EB board has 256MB of RAM also mirrored at 0x70000000, the only board without this feature being PB1176. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Make more vmalloc space by changing IO_ADDRESSCatalin Marinas2008-11-103-3/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since boards like PB11MPCore have 512MB of RAM and 128MB of flash, the virtual space is short on vmalloc memory and mapping the flash fails. This patch changes the IO_ADDRESS so that static mappings start at 0xfc000000 and moves the PCI virtual addresses higher up. The new VMALLOC_END is set to 0xf8000000 (512MB higher than the old value). Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Add debug-macro.S support for the PB1176 platformCatalin Marinas2008-11-101-3/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The UART0 address is different on PB1176 from EB or PB11MPCore. This patch adds the necessary #ifdef's to this file. The disadvantage is that enabling CONFIG_DEBUG_LL will work properly on PB1176 if only this platform is enabled. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Change the clcd panel controls to use RGB instead of BGRCatalin Marinas2008-11-101-5/+5
| | | | | | | | | | | | | | | | | | Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Allow XVGA (1024x768) CLCD resolution on the RealView boardsColin Tuckley2008-11-101-5/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds another clcd_panel structure for the above resolution and makes it the default for the PB1176 and PB11MPCore platforms. Signed-off-by: Colin Tuckley <Colin.Tuckley@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| * | RealView: Use the correct oscillator for the CLCD on PB1176Colin Tuckley2008-11-101-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | On PB1176, oscillator 0 rather than 4 should be used. Signed-off-by: Colin Tuckley <colin.tuckley@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
* | | [ARM] Add a common typesafe __io implementationRussell King2008-11-301-7/+2
| | | | | | | | | | | | | | | | | | | | | | | | As Al did for Versatile in 2ad4f86b60b649fd7428265c08d73a3bd360c81b, add a typesafe __io implementation for platforms to use. Convert platforms to use this new simple typesafe implementation. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | [ARM] Hide ISA DMA API when ISA_DMA_API is unsetRussell King2008-11-291-20/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When ISA_DMA_API is unset, we're not implementing the ISA DMA API, so there's no point in publishing the prototypes via asm/dma.h, nor including the machine dependent parts of that API. This allows us to remove a lot of mach/dma.h files which don't contain any useful code. Unfortunately though, some platforms put their own private non-ISA definitions into mach/dma.h, so we leave these behind and fix the appropriate #include statments. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | Merge branch 'highmem' into develRussell King2008-11-281-10/+0
|\ \ \ | | | | | | | | | | | | | | | | | | | | Conflicts: arch/arm/mach-clps7500/include/mach/memory.h
| * | | [ARM] remove a common set of __virt_to_bus definitionsNicolas Pitre2008-11-281-10/+0
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Let's provide an overridable default instead of having every machine class define __virt_to_bus and __bus_to_virt to the same thing. What most platforms are using is bus_addr == phys_addr so such is the default. One exception is ebsa110 which has no DMA what so ever, so the actual definition is not important except only for proper compilation. Also added a comment about the special footbridge bus translation. Let's also remove comments alluding to set_dma_addr which is not (and should not) be commonly used. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | Merge branches 'core' and 'clks' into develRussell King2008-11-278-90/+62
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| * | | [ARM] realview: convert to clkdev and lookup clocks by device nameRussell King2008-11-278-90/+62
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | People often point to the Integrator/Versatile/Realview implementations to justify using the consumer name as the sole selector for clocks. Eliminate this excuse by changing the Realview implementation, so it provides a better example of how it should be done. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* / / [ARM] Arrange for platforms to select appropriate CPU supportRussell King2008-11-271-0/+2
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rather than: config CPU_BLAH bool depends on ARCH_FOO || MACH_BAR default y if ARCH_FOO || MACH_BAR arrange for ARCH_FOO and MACH_BAR to select CPU_BLAH directly. Acked-by: Nicolas Pitre <nico@marvell.com> Acked-by: Andrew Victor <linux@maxim.org.za> Acked-by: Brian Swetland <swetland@google.com> Acked-by: Eric Miao <eric.miao@marvell.com> Acked-by: Nicolas Bellido <ml@acolin.be> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] integrator,realview,versatile: remove FLASH_* and EPROM_* constantsRussell King2008-11-131-18/+1
| | | | | | | | | | | | | | | | | | | | | | | | FLASH_* and EPROM_* constants are unused, and clash with drivers: drivers/atm/ambassador.h:257:1: warning: "FLASH_BASE" redefined drivers/atm/ambassador.h:258:1: warning: "FLASH_SIZE" redefined drivers/atm/iphase.h:332:1: warning: "EPROM_SIZE" redefined so remove them. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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