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2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-14ARM: vexpress/realview: consolidate immitation CPU hotplugRussell King
The only difference between the hotplug implementation for Realview and Versatile Express are the bit in the auxiliary control register to disable coherency. Combine the two implentations accounting for that difference. Rename the functions to try to discourage cargo-cult copying of this code. Tested-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-09-02Merge tag 'realview-broomstick-sweep' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/cleanup Merge "delete the RealView boardfiles" from Linus Walleij: This deletes the realview boardfiles, consolidates a bit around the Kconfig options and leaves the mach-realview directory nice and tidy, with all boards migrated over to Device Tree. * tag 'realview-broomstick-sweep' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator: ARM: realview: imply device tree boot ARM: realview: no need to select SMP_ON_UP explicitly ARM: realview: delete the RealView board files
2016-08-15ARM: realview: imply device tree bootLinus Walleij
This reduces the Kconfig for the RealView by assuming we are always booting from the device tree, and removing all the uses of CONFIG_REALVIEW_DT and replacing with CONFIG_ARCH_REALVIEW. Further: - Drop REALVIEW_HIGH_PHYS_OFFSET: we don't use this with device tree. - Drop the REALVIEW_EB_ARM11MP_REVB option: we now handle this by simply using another device tree. - Drop the PB1176 secure flash option: this is defined in the PB1176 device tree but marked as "disabled", so users who want to use it can simply enable it in the device tree and go hacking around. Cc: Brian Norris <computersforpeace@gmail.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-15ARM: realview: delete the RealView board filesLinus Walleij
The device tree boot is now feature-complete and fully working, so remove all the RealView board files. Move the remaining realview_cpu_die() function frome "core.h" to the new "hotplug.h" and leave just a minimal device tree core. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-08-10ARM: don't include removed directoriesArnd Bergmann
Three platforms used to have header files in include/mach that are now all gone, but the removed directories are still being included, which leads to -Wmissing-include-dirs warnings. This removes the extra -I flags. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-01-21ARM: realview: fix device tree buildLinus Walleij
As it happens, two obj-$(CONFIG_FOO) += foo.o variables are above obj-y := core.o, which doesn't work: the += directives need to add something to the build and doesn't work if obj-y is not set first, so move the obj-y to be on top and everything builds nicely again. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-18ARM: realview: build realview-dt SMP support only when usedArnd Bergmann
The platsmp-dt.c file does not build when CONFIG_SMP is disabled: platsmp-dt.c:84:2: error: unknown field 'smp_prepare_cpus' specified in initializer This changes the Makefile to build it conditionally on CONFIG_SMP. The legacy platsmp.c file is only used for ATAGS based builds, so we can move it into the CONFIG_ATAGS conditional. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-18ARM: realview: enable multiplatformArnd Bergmann
All obstacles are out of the way by now, so we can finally move realview to multiplatform. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Russell King <linux@arm.linux.org.uk> [Rebased Kconfig, fixed if $(X) to if X in Makefile] Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-12-15ARM: realview: add an DT SMP boot methodLinus Walleij
This adds an SMP boot method for the ARM RealView reference designs. We also select HAVE_SMP by default and make it use SMP_ON_UP so we only need to support one single kernel across the RealView reference designs when using DT. The RealViews need to have the SCU (Snoop Control Unit) activated on boot, and this is now done by looking up its address from the device tree and initializing it and counting the available cores. The RealViews boot by using a magic address register in the system controller (SYS_FLAGS) to store the boot address, the ROM will then read this register to the PC when the CPUs are taken out of WFI. This code uses a handle to the syscon regmap to access this register. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-10-22ARM: realview: basic device tree implementationLinus Walleij
This implements basic device tree boot support for the RealView platforms, with a basic device tree for ARM PB1176 as an example. The implementation is done with a new DT-specific board file using only pre-existing bindings for the basic IRQ, timer and serial port drivers. A new compatible type is added to the GIC for the ARM1176. This implementation uses the MFD syscon handle from day one to access the system controller registers, and register the devices using the SoC bus. Cc: Arnd Bergmann <arnd@arndb.de> Cc: Rob Herring <robh@kernel.org> Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2011-02-19ARM: realview/vexpress: consolidate SMP bringup codeRussell King
Realview and Versatile Express share the same SMP bringup code, so consolidate the two implementations. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-19ARM: realview/vexpress: consolidate localtimer supportRussell King
Realview and Versatile Express local timer support is identical, so consolidate the implementations. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-05-02ARM: Realview/Versatile/Integrator: separate out common clock codeRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-06-11Merge branch 'for-rmk' of git://linux-arm.org/linux-2.6 into develRussell King
Conflicts: arch/arm/Kconfig arch/arm/kernel/smp.c arch/arm/mach-realview/Makefile arch/arm/mach-realview/platsmp.c
2009-05-30RealView: Add support for the RealView/PBX platformColin Tuckley
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>
2009-05-17[ARM] smp: allow re-use of realview localtimer TWD supportRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-12-01RealView: Add support for the Cortex-A8 Platform BaseboardBahadir Balban
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>
2008-04-18RealView: Add the configuration and build changes for PB1176Bahadir Balban
This patch enables the building of Linux for the PB1176 platform. Signed-off-by: Bahadir Balban <bahadir.balban@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2008-04-18RealView: Enable the configuration options for PB11MPCoreBahadir Balban
This patch adds the PB11MPCore support to the corresponding Kconfig and Makefile to enable building. Signed-off-by: Bahadir Balban <bahadir.balban@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2008-02-04[ARM] 4814/1: RealView: Add broadcasting clockevents support for ARM11MPCoreCatalin Marinas
This patch adds dummy local timers for each CPU so that the board clock device is used to broadcast events to the other CPUs. The patch also adds the declaration for the dummy_timer_setup function (the equivalent of local_timer_setup when CONFIG_LOCAL_TIMERS is not set). Due to the way clockevents work, the dummy timer on the first CPU has to be registered before the board timer. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-09[ARM SMP] Add CPU hotplug support for Realview MPcoreRussell King
Add platform specific parts for hotplug CPU support for the Realview board. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-09[ARM SMP] Add local timer support for Realview MPcoreRussell King
Add platform specific parts for local timer support for the Realview board. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-07[ARM SMP] Add Realview MPcore SMP supportRussell King
Add SMP support for the MPcore tile fitted to the Realview ARM platform. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-31[ARM] Add support for ARM RealView boardCatalin Marinas
Support for RealView EB. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>