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* arm: iop13xx: Use sparse irqs for MSIThomas Gleixner2014-05-161-0/+1
| | | | | | | | | | | | | | | | | | No need for a private allocator. The core code handles it already. Allocate the non MSI irqs right at boot time via machine_desc->nr_irqs and let the sparse core handle the MSI space. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Grant Likely <grant.likely@linaro.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/20140507154333.809210026@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* ARM: delete struct sys_timerStephen Warren2012-12-241-5/+1
| | | | | | | | | | | | | | | | | | Now that the only field in struct sys_timer is .init, delete the struct, and replace the machine descriptor .timer field with the initialization function itself. This will enable moving timer drivers into drivers/clocksource without having to place a public prototype of each struct sys_timer object into include/linux; the intent is to create a single of_clocksource_init() function that determines which timer driver to initialize by scanning the device dtree, much like the proposed irqchip_init() at: http://www.spinics.net/lists/arm-kernel/msg203686.html Includes mach-omap2 fixes from Igor Grinberg. Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Stephen Warren <swarren@nvidia.com>
* ARM: iop13xx: fix iq81340sc_atux_map_irq prototypeArnd Bergmann2012-10-071-1/+1
| | | | | | | | | | | | | | The pci map_irq callbacks get a 'const' pci_dev argument, so change the iop13xx version to use the same prototype as everything else. Without this patch, building iop13xx_defconfig results in: arch/arm/mach-iop13xx/iq81340sc.c:63:2: warning: initialization from incompatible pointer type [enabled by default] arch/arm/mach-iop13xx/iq81340sc.c:63:2: warning: (near initialization for 'iq81340sc_pci.map_irq') [enabled by default] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <djbw@fb.com>
* ARM: PCI: get rid of pci_std_swizzle()Russell King2012-05-131-1/+0
| | | | | | | | | | | | | | | | | | Most PCI implementations use the standard PCI swizzle function, which handles the well defined behaviour of PCI-to-PCI bridges which can be found on cards (eg, four port ethernet cards.) Rather than having almost every platform specify the standard swizzle function, make this the default when no swizzle function is supplied. Therefore, a swizzle function only needs to be provided when there is something exceptional which needs to be handled. This gets rid of the swizzle initializer from 47 files, and leaves us with just two platforms specifying a swizzle function: ARM Integrator and Chalice CATS. Acked-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* ARM: iop13xx: use runtime ioremap hookRob Herring2012-03-061-0/+1
| | | | | | | | | Convert iop13xx platforms to use run-time ioremap hook instead of the compile time hook. The custom ioremap is still needed for 64-bit address handling. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Russell King <linux@arm.linux.org.uk>
* ARM: restart: iop13xx: use new restart hookRussell King2012-01-051-0/+1
| | | | | | | | Hook these platforms restart code into the new restart hook rather than using arch_reset(). Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* ARM: mach-iop13xx: convert boot_params to atag_offsetNicolas Pitre2011-08-211-1/+1
| | | | | Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
* arm: remove machine_desc.io_pg_offst and .phys_ioNicolas Pitre2010-10-201-2/+0
| | | | | | | | | | | | | | | Since we're now using addruart to establish the debug mapping, we can remove the io_pg_offst and phys_io members of struct machine_desc. The various declarations were removed using the following script: grep -rl MACHINE_START arch/arm | xargs \ sed -i '/MACHINE_START/,/MACHINE_END/ { /\.\(phys_io\|io_pg_offst\)/d }' [ Initial patch was from Jeremy Kerr, example script from Russell King ] Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Eric Miao <eric.miao at canonical.com>
* iop: enable generic timeMikael Pettersson2009-10-291-1/+0
| | | | | | | | | | | | This updates the IOP platform to use the kernel's generic time framework. With clockevent support in place, this reduces to selecting GENERIC_TIME and removing the platform's private timer ->offset() operation (iop_gettimeoffset). Tested on n2100, compile-tested for all plat-iop machines. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
* [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/machRussell King2008-08-071-3/+3
| | | | | | This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Remove asm/hardware.h, use asm/arch/hardware.h insteadRussell King2008-08-071-1/+1
| | | | | | | | | Remove includes of asm/hardware.h in addition to asm/arch/hardware.h. Then, since asm/hardware.h only exists to include asm/arch/hardware.h, update everything to directly include asm/arch/hardware.h and remove asm/hardware.h. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] replace remaining __FUNCTION__ occurrencesHarvey Harrison2008-03-061-1/+1
| | | | | | | | __FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4342/2: iop13xx: add resource definitions for the tpmi unitsDan Williams2007-05-031-0/+1
| | | | | | | The tpmi units interface with the SAS controller on iop348. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4343/1: iop13xx: automatically detect the internal bus frequencyDan Williams2007-04-301-1/+3
| | | | | Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4187/1: iop: unify time implementation across iop32x, iop33x, and iop13xxDan Williams2007-02-171-2/+3
| | | | | | | | | | * architecture specific details are handled in asm/arch/time.h * ARCH_IOP13XX now selects PLAT_IOP * as suggested by Lennert use ifdef CONFIG_XSCALE to skip the cp_wait on XSC3 Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 4055/1: iop13xx: fix phys_io/io_pg_offst for iq81340mc/scLennert Buytenhek2006-12-181-3/+3
| | | | | | | | The phys_io/io_pg_offst machine record variables were being set to bogus values, causing problems when enabling DEBUG_LL. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3995/1: iop13xx: add iop13xx supportDan Williams2006-12-071-0/+100
The iop348 processor integrates an Xscale (XSC3 512KB L2 Cache) core with a Serial Attached SCSI (SAS) controller, multi-ported DDR2 memory controller, 3 Application Direct Memory Access (DMA) controllers, a 133Mhz PCI-X interface, a x8 PCI-Express interface, and other peripherals to form a system-on-a-chip RAID subsystem engine. The iop342 processor replaces the SAS controller with a second Xscale core for dual core embedded applications. The iop341 processor is the single core version of iop342. This patch supports the two Intel customer reference platforms iq81340mc for external storage and iq81340sc for direct attach (HBA) development. The developer's manual is available here: ftp://download.intel.com/design/iio/docs/31503701.pdf Changelog: * removed virtual addresses from resource definitions * cleaned up some unnecessary #include's Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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