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2014-11-18ARM: berlin: do not select RESET_CONTROLLERAntoine Tenart1-1/+0
RESET_CONTROLLER is meant to be user-selectable. To respect that, do not select it automatically when using ARCH_BERLIN. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
2014-10-21ARM: Berlin: select the reset controllerAntoine Ténart1-1/+3
The Marvell Berlin SoCs now has a reset controller. Add the needed configuration. While at it reorder Kconfigs alphabetically. Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
2014-07-07Merge tag 'berlin-soc-3.17-1' of ↵Olof Johansson4-1/+134
git://git.infradead.org/users/hesselba/linux-berlin into next/soc Merge "Berlin SoC changes for v3.17" from Sebastian Hesselbarth: - SMP support for BG2 and BG2Q * tag 'berlin-soc-3.17-1' of git://git.infradead.org/users/hesselba/linux-berlin: ARM: berlin: add SMP support Signed-off-by: Olof Johansson <olof@lixom.net>
2014-06-17ARM: use menuconfig for sub-arch menusRob Herring1-5/+1
The System Type menu is getting quite long with platforms and is inconsistent in handling of sub-arch specific options. Tidy up the menu by making platform options a menuconfig entry containing any platform specific config items. [arnd: change OMAP part according to suggestion from Tony Lindgren <tony@atomide.com>] Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-06-16ARM: berlin: add SMP supportAntoine Ténart4-1/+134
Adds SMP support for Berlin SoCs. Secondary CPUs are reset, then execute the instruction we put in the reset exception register, setting the pc at the address contained in the software reset address register, which is the physical address of the Berlin secondary startup. This implementation avoid using the pen lock mechanism. Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
2014-06-05Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into nextLinus Torvalds1-11/+6
Pull ARM updates from Russell King: - Major clean-up of the L2 cache support code. The existing mess was becoming rather unmaintainable through all the additions that others have done over time. This turns it into a much nicer structure, and implements a few performance improvements as well. - Clean up some of the CP15 control register tweaks for alignment support, moving some code and data into alignment.c - DMA properties for ARM, from Santosh and reviewed by DT people. This adds DT properties to specify bus translations we can't discover automatically, and to indicate whether devices are coherent. - Hibernation support for ARM - Make ftrace work with read-only text in modules - add suspend support for PJ4B CPUs - rework interrupt masking for undefined instruction handling, which allows us to enable interrupts earlier in the handling of these exceptions. - support for big endian page tables - fix stacktrace support to exclude stacktrace functions from the trace, and add save_stack_trace_regs() implementation so that kprobes can record stack traces. - Add support for the Cortex-A17 CPU. - Remove last vestiges of ARM710 support. - Removal of ARM "meminfo" structure, finally converting us solely to memblock to handle the early memory initialisation. * 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (142 commits) ARM: ensure C page table setup code follows assembly code (part II) ARM: ensure C page table setup code follows assembly code ARM: consolidate last remaining open-coded alignment trap enable ARM: remove global cr_no_alignment ARM: remove CPU_CP15 conditional from alignment.c ARM: remove unused adjust_cr() function ARM: move "noalign" command line option to alignment.c ARM: provide common method to clear bits in CPU control register ARM: 8025/1: Get rid of meminfo ARM: 8060/1: mm: allow sub-architectures to override PCI I/O memory type ARM: 8066/1: correction for ARM patch 8031/2 ARM: 8049/1: ftrace/add save_stack_trace_regs() implementation ARM: 8065/1: remove last use of CONFIG_CPU_ARM710 ARM: 8062/1: Modify ldrt fixup handler to re-execute the userspace instruction ARM: 8047/1: rwsem: use asm-generic rwsem implementation ARM: l2c: trial at enabling some Cortex-A9 optimisations ARM: l2c: add warnings for stuff modifying aux_ctrl register values ARM: l2c: print a warning with L2C-310 caches if the cache size is modified ARM: l2c: remove old .set_debug method ARM: l2c: kill L2X0_AUX_CTRL_MASK before anyone else makes use of this ...
2014-05-30ARM: l2c: berlin: convert to generic l2c OF initialisationRussell King1-11/+6
Remove the explicit call to l2x0_of_init(), converting to the generic infrastructure instead. We can remove the explicit machine init too as this becomes identical to the generic version. Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-30ARM: l2c: remove platforms/SoCs setting early BRESPRussell King1-1/+1
Since we now automatically enable early BRESP in core L2C-310 code when we detect a Cortex-A9, we don't need platforms/SoCs to set this bit explicitly. Instead, they should seek to preserve the value of bit 30 in the auxiliary control register. Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-05-19ARM: berlin: add the pinctrl dependency for the Marvell Berlin SoCsAntoine Tenart1-0/+4
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
2014-05-19ARM: berlin: add the LIBGPIO as a dependency for the BG2QAntoine Tenart1-0/+1
The BG2Q has GPIOs driven by the dwapb GPIO driver. Add the LIBGPIO as a dependency to be able to support them. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Reviewed-by: Jisheng Zhang <jszhang@marvell.com> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
2014-05-19ARM: berlin: add MACH_BERLIN_BG2Q symbolAlexandre Belloni1-0/+5
Now that we start supporting the Marvell Berlin BG2Q, add a symbol allowing to differentiate that SoC from the other SoCs of the Berlin family. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
2014-02-19ARM: select HAVE_SMP for V7 multi-platformRob Herring1-1/+0
All V7 platforms can run SMP kernels, so make CONFIG_SMP visible for V7 multi-platform builds. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Stephen Warren <swarren@nvidia.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2014-02-19ARM: centralize common multi-platform kconfig optionsRob Herring1-3/+0
Multi-platform requires various kconfig options to be selected, so platforms don't need to select them individually. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: Russell King <linux@arm.linux.org.uk> Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@wwwdotorg.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-12-13ARM: add initial support for Marvell Berlin SoCsSebastian Hesselbarth3-0/+69
This adds initial support for the Marvell Berlin SoC family with Armada 1500 (88DE3100) and Armada 1500-mini (88DE3005) SoCs. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Reviewed-by: Jason Cooper <jason@lakedaemon.net> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
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