The cleanup branch keeps going down in size as we've completed a lot of
the major legacy platform removals and conversions.
A handful of changes this time around, some of the themes or larger sets are:
- A bunch of i.MX cleanups around platform detection, init call cleanups
- Misc fixes of missing/implicit includes
- Removal of ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"The cleanup branch keeps going down in size as we've completed a lot
of the major legacy platform removals and conversions.
A handful of changes this time around, some of the themes or larger
sets are:
- A bunch of i.MX cleanups around platform detection, init call cleanups
- Misc fixes of missing/implicit includes
- Removal of ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (40 commits)
ARM: mps2: fix typo
ARM: s3c64xx: avoid warning about 'struct device_node'
bus: mvebu-mbus: make mvebu_mbus_syscore_ops static
bus: mvebu-mbus: fix __iomem on register pointers
ARM: tegra: Remove board_init_funcs array
ARM: iop: Fix indentation
ARM: imx: remove cpu_is_mx*()
ARM: imx: remove last call to cpu_is_mx5*
ARM: imx: rework mx27_pm_init() call
ARM: imx: deconstruct mx3_idle
ARM: imx: deconstruct mxc_rnga initialization
ARM: imx: remove cpu_is_mx1 check
ARM: i.MX: Do not explicitly call l2x0_of_init()
ARM: i.MX: system.c: Tweak prefetch settings for performance
ARM: i.MX: system.c: Replace magic numbers
ARM: i.MX: system.c: Remove redundant errata 752271 code
ARM: i.MX: system.c: Convert goto to if statement
ARM: Kirkwood: fix kirkwood_pm_init() declaration/type
ARM: Kirkwood: make kirkwood_disable_mbus_error_propagation() static
ARM: orion5x: make orion5x_legacy_handle_irq static
...
After patch "of/platform: Add common method to populate default bus",
it is possible for arch code to remove unnecessary callers of
of_platform_populate with default match table.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Lee Jones <lee@kernel.org>
Cc: Krzysztof Halasa <khalasa@piap.pl>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Roland Stigge <stigge@antcom.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Viresh Kumar <vireshk@kernel.org>
Cc: Shiraz Hashim <shiraz.linux.kernel@gmail.com>
Cc: Tony Prisk <linux@prisktech.co.nz>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This replaces:
- "select ARCH_REQUIRE_GPIOLIB" with "select GPIOLIB" as this can
now be selected directly.
- "select ARCH_WANT_OPTIONAL_GPIOLIB" with no dependency: GPIOLIB
is now selectable by everyone, so we need not declare our
intent to select it.
When ordering the symbols the following rationale was used:
if the selects were in alphabetical order, I moved select GPIOLIB
to be in alphabetical order, but if the selects were not
maintained in alphabetical order, I just replaced
"select ARCH_REQUIRE_GPIOLIB" with "select GPIOLIB".
Cc: Michael Büsch <m@bues.ch>
Cc: arm@kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Many ARM sub-architectures use prompts followed by "if" conditional,
but it is wrong.
Please notice the difference between
config ARCH_FOO
bool "Foo SoCs" if ARCH_MULTI_V7
and
config ARCH_FOO
bool "Foo SoCs"
depends on ARCH_MULTI_V7
These two are *not* equivalent!
In the former statement, it is not ARCH_FOO, but its prompt that
depends on ARCH_MULTI_V7. So, it is completely valid that ARCH_FOO
is selected by another, but ARCH_MULTI_V7 is still disabled. As it is
not unmet dependency, Kconfig never warns. This is probably not what
you want.
The former should be used only when you need to do so, and you really
understand what you are doing. (In most cases, it should be wrong!)
For enabling/disabling sub-architectures, the latter is always correct.
As a good side effect, this commit fixes some entries over 80 columns
(mach-imx, mach-integrator, mach-mbevu).
[Arnd: I note that there is not really a bug here, according to
the discussion that followed, but I can see value in being consistent
and in making the lines shorter]
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Jun Nie <jun.nie@linaro.org>
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Krzysztof Halasa <khc@piap.pl>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
If the renamed symbol is defined lib/iomap.c implements ioport_map and
ioport_unmap and currently (nearly) all platforms define the port
accessor functions outb/inb and friend unconditionally. So
HAS_IOPORT_MAP is the better name for this.
Consequently NO_IOPORT is renamed to NO_IOPORT_MAP.
The motivation for this change is to reintroduce a symbol HAS_IOPORT
that signals if outb/int et al are available. I will address that at
least one merge window later though to keep surprises to a minimum and
catch new introductions of (HAS|NO)_IOPORT.
The changes in this commit were done using:
$ git grep -l -E '(NO|HAS)_IOPORT' | xargs perl -p -i -e 's/\b((?:CONFIG_)?(?:NO|HAS)_IOPORT)\b/$1_MAP/'
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
MULTI_V6 should default to V6K as it is more optimal than V6. Any
platform which is not V6K should select CPU_V6 which will enable the
less optimal code paths.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Anton Vorontsov <anton@enomsg.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Jamie Iles <jamie@jamieiles.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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>
Preparing to move the parsing of reboot= to generic kernel code forces
the change in reboot_mode handling to use the enum.
[akpm@linux-foundation.org: fix arch/arm/mach-socfpga/socfpga.c]
Signed-off-by: Robin Holt <holt@sgi.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Russ Anderson <rja@sgi.com>
Cc: Robin Holt <holt@sgi.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
These changes are all to SoC-specific code, a total of 33 branches on
17 platforms were pulled into this. Like last time, Renesas sh-mobile
is now the platform with the most changes, followed by OMAP and EXYNOS.
Two new platforms, TI Keystone and Rockchips RK3xxx are added in
this branch, both containing almost no platform specific code at all,
since they are using generic subsystem interfaces for clocks, pinctrl,
interrupts etc. The device drivers are getting merged through the
respective subsystem maintainer trees.
One more SoC (u300) is now multiplatform capable and several others
(shmobile, exynos, msm, integrator, kirkwood, clps711x) are moving
towards that goal with this series but need more work.
Also noteworthy is the work on PCI here, which is traditionally part of
the SoC specific code. With the changes done by Thomas Petazzoni, we can
now more easily have PCI host controller drivers as loadable modules and
keep them separate from the platform code in drivers/pci/host. This has
already led to the discovery that three platforms (exynos, spear and imx)
are actually using an identical PCIe host controller and will be able
to share a driver once support for spear and imx is added.
Conflicts:
* asm/glue-proc.h has one CPU type getting added that conflicts
with another addition in 3.10-rc7
* Simple context changes in arch/arm/Makefile and arch/arm/Kconfig
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC specific changes from Arnd Bergmann:
"These changes are all to SoC-specific code, a total of 33 branches on
17 platforms were pulled into this. Like last time, Renesas sh-mobile
is now the platform with the most changes, followed by OMAP and
EXYNOS.
Two new platforms, TI Keystone and Rockchips RK3xxx are added in this
branch, both containing almost no platform specific code at all, since
they are using generic subsystem interfaces for clocks, pinctrl,
interrupts etc. The device drivers are getting merged through the
respective subsystem maintainer trees.
One more SoC (u300) is now multiplatform capable and several others
(shmobile, exynos, msm, integrator, kirkwood, clps711x) are moving
towards that goal with this series but need more work.
Also noteworthy is the work on PCI here, which is traditionally part
of the SoC specific code. With the changes done by Thomas Petazzoni,
we can now more easily have PCI host controller drivers as loadable
modules and keep them separate from the platform code in
drivers/pci/host. This has already led to the discovery that three
platforms (exynos, spear and imx) are actually using an identical PCIe
host controller and will be able to share a driver once support for
spear and imx is added."
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (480 commits)
ARM: integrator: let pciv3 use mem/premem from device tree
ARM: integrator: set local side PCI addresses right
ARM: dts: Add pcie controller node for exynos5440-ssdk5440
ARM: dts: Add pcie controller node for Samsung EXYNOS5440 SoC
ARM: EXYNOS: Enable PCIe support for Exynos5440
pci: Add PCIe driver for Samsung Exynos
ARM: OMAP5: voltagedomain data: remove temporary OMAP4 voltage data
ARM: keystone: Move CPU bringup code to dedicated asm file
ARM: multiplatform: always pick one CPU type
ARM: imx: select syscon for IMX6SL
ARM: keystone: select ARM_ERRATA_798181 only for SMP
ARM: imx: Synertronixx scb9328 needs to select SOC_IMX1
ARM: OMAP2+: AM43x: resolve SMP related build error
dmaengine: edma: enable build for AM33XX
ARM: edma: Add EDMA crossbar event mux support
ARM: edma: Add DT and runtime PM support to the private EDMA API
dmaengine: edma: Add TI EDMA device tree binding
arm: add basic support for Rockchip RK3066a boards
arm: add debug uarts for rockchip rk29xx and rk3xxx series
arm: Add basic clocks for Rockchip rk3066a SoCs
...
A recent cleanup caused build errors in some configurations
because the header defining NR_IRQS_LEGACY is not included
here. Since that value is the default, we can just as well
leave it out.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jamie Iles <jamie@jamieiles.com>
dw_apb_timer_init used to search the devicetree for matching timer
devices, making calls to it from board files necessary.
Change the dw_apb_timer_init to work with CLOCKSOURCE_OF_DECLARE.
With this change the function gets called once for each timer node
and tracks these number of calls to attach clockevent and clocksource
devices to the nodes.
Also remove the calls to dw_apb_timer_init from all previous users, as
clocksource_of_init is the default for init_time now.
Tested on the upcoming rk3066 code.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Dinh Nguyen <dinguyen@altera.com>
dw_apb_timer_of is the driver part facing devicetree platforms and
calls into dw_apb_timer with the data gathered from the dt.
Currently the two platforms using the dw_apb_timer_of select both
the options for the core timer and the dt addon.
As dw_apb_timer_of always depends on dw_apb_timer let it select
DW_APB_TIMER itself without the need for every platform to do it.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Dinh Nguyen <dinguyen@altera.com>
Commit ebafed7a ("ARM: irq: Call irqchip_init if no init_irq function is
specified") removed the need to explictly setup the init_irq field in
the machine description when using only irqchip_init. Remove that
declaration for picoxcell as well.
[ jiles: removed other, unused irq includes. ]
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
In drivers/gpio/Kcong, ARCH_REQUIRE_GPIOLIB selects GPIOLIB which in
turn selects GENERIC_GPIO. So GENERIC_GPIO will be selected
automatically for those platforms that select ARCH_REQUIRE_GPIOLIB.
Remove the redundant 'select GENERIC_GPIO' for platforms that already
select ARCH_REQUIRE_GPIOLIB at either mach or plat level.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
This creates irqchip initialization infrastructure from Thomas
Petazzoni. The VIC and GIC irqchip code is moved to drivers/irqchips
and adapted to use the new infrastructure. All DT enabled platforms
using GIC and VIC are converted over to use the new irqchip_init.
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Merge tag 'gic-vic-to-irqchip' of git://sources.calxeda.com/kernel/linux into next/cleanup
From Rob Herring:
Initial irqchip init infrastructure and GIC and VIC clean-ups
This creates irqchip initialization infrastructure from Thomas
Petazzoni. The VIC and GIC irqchip code is moved to drivers/irqchips
and adapted to use the new infrastructure. All DT enabled platforms
using GIC and VIC are converted over to use the new irqchip_init.
* tag 'gic-vic-to-irqchip' of git://sources.calxeda.com/kernel/linux:
irqchip: Move ARM vic.h to include/linux/irqchip/arm-vic.h
ARM: picoxcell: use common irqchip_init function
ARM: spear: use common irqchip_init function
irqchip: Move ARM VIC to drivers/irqchip
ARM: samsung: remove unused tick.h
ARM: remove unneeded vic.h includes
ARM: remove mach .handle_irq for VIC users
ARM: VIC: set handle_arch_irq in VIC initialization
ARM: VIC: shrink down vic.h
irqchip: Move ARM gic.h to include/linux/irqchip/arm-gic.h
ARM: use common irqchip_init for GIC init
irqchip: Move ARM GIC to drivers/irqchip
ARM: remove mach .handle_irq for GIC users
ARM: GIC: set handle_arch_irq in GIC initialization
ARM: GIC: remove direct use of gic_raise_softirq
ARM: GIC: remove assembly ifdefs from gic.h
ARM: mach-ux500: use SGI0 to wake up the other core
arm: add set_handle_irq() to register the parent IRQ controller handler function
irqchip: add basic infrastructure
irqchip: add to the directories part of the IRQ subsystem in MAINTAINERS
Fixed up massive merge conflicts with the timer cleanup due to adjacent changes:
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
arch/arm/mach-bcm/board_bcm.c
arch/arm/mach-cns3xxx/cns3420vb.c
arch/arm/mach-ep93xx/adssphere.c
arch/arm/mach-ep93xx/edb93xx.c
arch/arm/mach-ep93xx/gesbc9312.c
arch/arm/mach-ep93xx/micro9.c
arch/arm/mach-ep93xx/simone.c
arch/arm/mach-ep93xx/snappercl15.c
arch/arm/mach-ep93xx/ts72xx.c
arch/arm/mach-ep93xx/vision_ep9307.c
arch/arm/mach-highbank/highbank.c
arch/arm/mach-imx/mach-imx6q.c
arch/arm/mach-msm/board-dt-8960.c
arch/arm/mach-netx/nxdb500.c
arch/arm/mach-netx/nxdkn.c
arch/arm/mach-netx/nxeb500hmi.c
arch/arm/mach-nomadik/board-nhk8815.c
arch/arm/mach-picoxcell/common.c
arch/arm/mach-realview/realview_eb.c
arch/arm/mach-realview/realview_pb1176.c
arch/arm/mach-realview/realview_pb11mp.c
arch/arm/mach-realview/realview_pba8.c
arch/arm/mach-realview/realview_pbx.c
arch/arm/mach-socfpga/socfpga.c
arch/arm/mach-spear13xx/spear1310.c
arch/arm/mach-spear13xx/spear1340.c
arch/arm/mach-spear13xx/spear13xx.c
arch/arm/mach-spear3xx/spear300.c
arch/arm/mach-spear3xx/spear310.c
arch/arm/mach-spear3xx/spear320.c
arch/arm/mach-spear3xx/spear3xx.c
arch/arm/mach-spear6xx/spear6xx.c
arch/arm/mach-tegra/board-dt-tegra20.c
arch/arm/mach-tegra/board-dt-tegra30.c
arch/arm/mach-u300/core.c
arch/arm/mach-ux500/board-mop500.c
arch/arm/mach-ux500/cpu-db8500.c
arch/arm/mach-versatile/versatile_ab.c
arch/arm/mach-versatile/versatile_dt.c
arch/arm/mach-versatile/versatile_pb.c
arch/arm/mach-vexpress/v2m.c
include/asm-generic/vmlinux.lds.h
Now that the VIC initialization sets up the handle_arch_irq pointer, we
can remove it for all machines and make it static. Move vic_handle_irq
to avoid a forward declaration.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Hubert Feurstein <hubert.feurstein@contec.at>
Cc: Alessandro Rubini <rubini@unipv.it>
Cc: STEricsson <STEricsson_nomadik_linux@list.st.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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>
This lets us build a multiplatform kernel for experimental purposes.
However, it will not be useful for any real work, because it relies
on a number of useful things to be disabled for now:
* SMP support must be turned off because of conflicting symbols.
Marc Zyngier has proposed a solution by adding a new SOC
operations structure to hold indirect function pointers
for these, but that work is currently stalled
* We turn on SPARSE_IRQ unconditionally, which is not supported
on most platforms. Each of them is currently in a different
state, but most are being worked on.
* A common clock framework is in place since v3.4 but not yet
being used. Work on this is on its way.
* DEBUG_LL for early debugging is currently disabled.
* THUMB2_KERNEL does not work with allyesconfig because the
kernel gets too big
[Rob Herring]: Rebased to not be dependent on the mass mach header rename.
As a result, omap2plus, imx, mxs and ux500 are not converted. Highbank,
picoxcell, mvebu, and socfpga are converted.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Move picoxcell debug-macro.S over to common debug macro directory.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Jamie Iles <jamie@jamieiles.com>
Most platforms don't need mach/gpio.h and it prevents multi-platform
kernel images. Add CONFIG_NEED_MACH_GPIO_H and make platforns select it
if they need gpio.h. This is platforms that define __GPIOLIB_COMPLEX
or have lots of implicit includes pulled in by mach/gpio.h.
at91 and omap have gpio clean-up pending and can drop
CONFIG_NEED_MACH_GPIO_H once that is in.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Make a common device tree glue for clocksource/dw_apb_timer.
Move mach-picoxcell/time.c to be a generic device tree application
of the dw_apb_timer.
Configure mach-picoxcell to use the dw_apb_timer_of device tree
implementation in drivers/clocksource.
Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Rob Herring has done a sweeping change cleaning up all of the mach/io.h includes,
moving some of the oft-repeated macros to a common location and removing a bunch of
boiler plate. This is another step closer to a common zImage for multiple platforms.
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Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull "ARM: cleanups of io includes" from Olof Johansson:
"Rob Herring has done a sweeping change cleaning up all of the
mach/io.h includes, moving some of the oft-repeated macros to a common
location and removing a bunch of boiler plate. This is another step
closer to a common zImage for multiple platforms."
Fix up various fairly trivial conflicts (<mach/io.h> removal vs changes
around it, tegra localtimer.o is *still* gone, yadda-yadda).
* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
ARM: tegra: Include assembler.h in sleep.S to fix build break
ARM: pxa: use common IOMEM definition
ARM: dma-mapping: convert ARCH_HAS_DMA_SET_COHERENT_MASK to kconfig symbol
ARM: __io abuse cleanup
ARM: create a common IOMEM definition
ARM: iop13xx: fix missing declaration of iop13xx_init_early
ARM: fix ioremap/iounmap for !CONFIG_MMU
ARM: kill off __mem_pci
ARM: remove bunch of now unused mach/io.h files
ARM: make mach/io.h include optional
ARM: clps711x: remove unneeded include of mach/io.h
ARM: dove: add explicit include of dove.h to addr-map.c
ARM: at91: add explicit include of hardware.h to uncompressor
ARM: ep93xx: clean-up mach/io.h
ARM: tegra: clean-up mach/io.h
ARM: orion5x: clean-up mach/io.h
ARM: davinci: remove unneeded mach/io.h include
[media] davinci: remove includes of mach/io.h
ARM: OMAP: Remove remaining includes for mach/io.h
ARM: msm: clean-up mach/io.h
...
Pull more ARM updates from Russell King.
This got a fair number of conflicts with the <asm/system.h> split, but
also with some other sparse-irq and header file include cleanups. They
all looked pretty trivial, though.
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (59 commits)
ARM: fix Kconfig warning for HAVE_BPF_JIT
ARM: 7361/1: provide XIP_VIRT_ADDR for no-MMU builds
ARM: 7349/1: integrator: convert to sparse irqs
ARM: 7259/3: net: JIT compiler for packet filters
ARM: 7334/1: add jump label support
ARM: 7333/2: jump label: detect %c support for ARM
ARM: 7338/1: add support for early console output via semihosting
ARM: use set_current_blocked() and block_sigmask()
ARM: exec: remove redundant set_fs(USER_DS)
ARM: 7332/1: extract out code patch function from kprobes
ARM: 7331/1: extract out insn generation code from ftrace
ARM: 7330/1: ftrace: use canonical Thumb-2 wide instruction format
ARM: 7351/1: ftrace: remove useless memory checks
ARM: 7316/1: kexec: EOI active and mask all interrupts in kexec crash path
ARM: Versatile Express: add NO_IOPORT
ARM: get rid of asm/irq.h in asm/prom.h
ARM: 7319/1: Print debug info for SIGBUS in user faults
ARM: 7318/1: gic: refactor irq_start assignment
ARM: 7317/1: irq: avoid NULL check in for_each_irq_desc loop
ARM: 7315/1: perf: add support for the Cortex-A7 PMU
...
Now that most platforms don't need disable_fiq and arch_ret_to_user
macros, we can remove the empty macros or empty entry-macro.S files.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
picoxcell uses SPARSE_IRQ which means we don't need a mach/irqs.h
anymore so kill it off.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
When this is the only content remaining in mach/system.h then the
whole file is removed.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-and-tested-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: David Brown <davidb@codeaurora.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
This adds support for new features, and contains stuff from most
platforms. A number of these patches could have fit into other
branches, too, but were small enough not to cause too much
confusion here.
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Merge tag 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
New feature development
This adds support for new features, and contains stuff from most
platforms. A number of these patches could have fit into other
branches, too, but were small enough not to cause too much
confusion here.
* tag 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
mfd/db8500-prcmu: remove support for early silicon revisions
ARM: ux500: fix the smp_twd clock calculation
ARM: ux500: remove support for early silicon revisions
ARM: ux500: update register files
ARM: ux500: register DB5500 PMU dynamically
ARM: ux500: update ASIC detection for U5500
ARM: ux500: support DB8520
ARM: picoxcell: implement watchdog restart
ARM: OMAP3+: hwmod data: Add the default clockactivity for I2C
ARM: OMAP3: hwmod data: disable multiblock reads on MMC1/2 on OMAP34xx/35xx <= ES2.1
ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP4
ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP3
ARM: OMAP: hwmod data: Add support for AM35xx UART4/ttyO3
ARM: Orion: Remove address map info from all platform data structures
ARM: Orion: Get address map from plat-orion instead of via platform_data
ARM: Orion: mbus_dram_info consolidation
ARM: Orion: Consolidate the address map setup
ARM: Kirkwood: Add configuration for MPP12 as GPIO
ARM: Kirkwood: Recognize A1 revision of 6282 chip
ARM: ux500: update the MOP500 GPIO assignments
...
Cleanup patches for various ARM platforms and some of their associated
drivers, the bulk of these is for mach-91.
I ended up pulling in the restart branch from Russell in order to
fix up some simple but annoying merge conflicts.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Cleanups on various subarchitectures
Cleanup patches for various ARM platforms and some of their associated
drivers, the bulk of these is for mach-91.
Arnd ended up pulling in the restart branch from Russell in order to
fix up some simple but annoying merge conflicts.
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (44 commits)
arm/at91: fix build of stamp9g20
ARM: u300: delete memory.h
MAINTAINERS: add maintainer entry for Picochip picoxcell
ARM: picoxcell: move io mappings to common.c
ARM: picoxcell: don't reserve irq_descs
ARM: picoxcell: remove mach/memory.h
ARM: at91: delete the pcontrol_g20_defconfig
arm/tegra: Remove code that's ifndef CONFIG_ARM_GIC
arm/tegra: remove unused defines
arm/tegra: fix variable formatting in makefile
ARM: davinci: vpif: move code to driver core header from platform
ARM: at91/gpio: fix display of number of irq setuped
ARM: at91/gpio: drop PIN_BASE
ARM: at91/udc: use gpio_is_valid to check the gpio
ARM: at91/ohci: use gpio_is_valid to check the gpio
ARM: at91/nand: use gpio_is_valid to check the gpio
ARM: at91/mmc: use gpio_is_valid to check the gpio
ARM: at91/ide: use gpio_is_valid to check the gpio
ARM: at91/pata: use gpio_is_valid to check the gpio
ARM: at91/soc: use gpio_is_valid to check the gpio
...
Commit 2f0778afa (ARM: 7205/2: sched_clock: allow sched_clock to be
selected at runtime) replaced the picoxcell specific sched_clock() with
a generic runtime selectable version but replaced "unsigned long long
notrace sched_clock(void)" with "unsigned u32 notrace
picoxcell_read_sched_clock(void)" fix this up to return a u32 as
expected.
Cc: Marc Zyngier <Marc.Zyngier@arm.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Conflicts:
arch/arm/mach-at91/at91cap9.c
arch/arm/mach-at91/at91sam9260.c
arch/arm/mach-at91/at91sam9261.c
arch/arm/mach-at91/at91sam9263.c
arch/arm/mach-at91/at91sam9g45.c
arch/arm/mach-at91/at91sam9rl.c
arch/arm/mach-exynos/cpu.c
arch/arm/mach-shmobile/board-kota2.c
This resolves a bunch of conflicts between the arm-soc tree
and changes from the arm tree that have gone upstream.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Remove the now empty arch_reset() from all the mach/system.h includes,
and remove its callsite. Remove arm_machine_restart() as this function
no longer does anything useful.
For samsung platforms, remove the include of mach/system-reset.h and
plat/system-reset.h from their respective mach/system.h headers as these
just define their arch_reset functions. As a result, the s3c2410 and
plat-samsung system-reset.h files are no longer referenced, so remove
these files entirely.
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch_reset() is deprecated; systems should hook into system restart via
the 'restart' method in the platforms machine description record.
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
sched_clock() is yet another blocker on the road to the single
image. This patch implements an idea by Russell King:
http://www.spinics.net/lists/linux-omap/msg49561.html
Instead of asking the platform to implement both sched_clock()
itself and the rollover callback, simply register a read()
function, and let the ARM code care about sched_clock() itself,
the conversion to ns and the rollover. sched_clock() uses
this read() function as an indirection to the platform code.
If the platform doesn't provide a read(), the code falls back
to the jiffy counter (just like the default sched_clock).
This allow some simplifications and possibly some footprint gain
when multiple platforms are compiled in. Among the drawbacks,
the removal of the *_fixed_sched_clock optimization which could
negatively impact some platforms (sa1100, tegra, versatile
and omap).
Tested on 11MPCore, OMAP4 and Tegra.
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Colin Cross <ccross@android.com>
Cc: Erik Gilling <konkers@android.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Alessandro Rubini <rubini@unipv.it>
Cc: STEricsson <STEricsson_nomadik_linux@list.st.com>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Tested-by: Jamie Iles <jamie@jamieiles.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Krzysztof Halasa <khc@pm.waw.pl>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Allow the platform to be restarted by triggering the watchdog to expire
with the shortest possible expiry. This should reset the CPU core and
all on-chip peripherals.
v2: - use writel_relaxed().
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Now that we have lost our machine specific ioremap() we just have one
mapping that covers all peripherals. Move this to common.c to simplify
things a little.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
All irq_desc's are now dynamically allocated so we don't need to
statically reserve them.
v2: - select SPARSE_IRQ and set .nr_irqs to NR_IRQS_LEGACY to skip
ISA and IRQ 0.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Now that there is a generic IRQ handler for multiple VIC devices use it
for picoxcell to help building multi platform kernels.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
639da5ee3 (ARM: add an extra temp register to the low level debugging
addruart macro) didn't include picoxcell as it hadn't been merged at the
time. Fix up the compile breakage by adding the extra temp parameter.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Nicolas Pitre's vmalloc cleanup series didn't get merged in this cycle
so picoxcell is missing a VMALLOC_END definition.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Linus Torvalds
Kefeng Wang
Linus Walleij
Masahiro Yamada
Uwe Kleine-König
Rob Herring
Robin Holt
Arnd Bergmann
Heiko Stuebner
Maxime Ripard
Jamie Iles
Shawn Guo
Olof Johansson
Rob Herring
Stephen Warren
Dinh Nguyen
Russell King
Nicolas Pitre
Marc Zyngier