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Convert both Realview and VExpress to use struct smp_operations to
provide their SMP and CPU hotplug operation.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.linaro.org/people/pawelmoll/linux into next/dt
* 'vexpress-dt-v3.3-rc4' of git://git.linaro.org/people/pawelmoll/linux: (573 commits)
ARM: vexpress: Add Device Tree for V2P-CA15 core tile (TC1 variant)
ARM: vexpress: Add Device Tree for V2P-CA9 core tile
ARM: vexpress: Add Device Tree for V2P-CA5s core tile
ARM: vexpress: Motherboard RS1 memory map support
ARM: vexpress: Add Device Tree support
ARM: vexpress: Use FDT data in platform SMP calls
ARM: versatile: Map local timers using Device Tree when possible
ARM: vexpress: Get rid of MMIO_P2V
This adds full device tree boot support for the versatile express
platform, as has been awaited for a long time.
Conflicts:
arch/arm/mach-vexpress/core.h
The definition of AMBA_DEVICE was removed in one branch, and the
definition of MMIO_P2V was removed in the other branch.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Scan flatten device looking for A5/A9 SCU node and initialize
it using base address in "reg" property. If nothing is found,
assume that there is no special SCU initialization required
and initialize CPUs basing on numbers of "cpu" type devices
in "cpus" node of the Device Tree.
All this happens only if the board was booted with FDT,
otherwise ct_desc callbacks are used.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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This patch gets rid of the MMIO_P2V and __MMIO_P2V macros,
defining constant virtual base for motherboard and tile
peripherals instead.
Additionally, in preparation for the new motherboard memory
map, the motherboard peripherals are using base pointers
calculated in runtime, instead of compile-time calculated
values.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The current Versatile Express BSP defines the MACHINE_START macro
in the core tile code.
This patch moves this into the generic board code and introduces a
method for determining the current tile at runtime, allowing the
Kernel to have support for multiple tiles compiled in. Tile-specific
functions are executed via a descriptor struct containing the correct
implementations for the current tile.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Initialize the clock tree and our sched_clock() early.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Every architecture using the GIC has a gic_cpu_base_addr pointer for
GIC 0 for their entry assembly code to use to decode the cause of the
current interrupt. Move this into the common GIC code.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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