Convert the integrator PCI driver to use the generic config access
functions.
This changes accesses from __raw_readX/__raw_writeX to readX/writeX
variants. The spinlock is removed because it is unnecessary. The config
read and write functions are already protected with a spinlock and no
access can occur during the .pre_init function.
[arnd: remove unused "flags"]
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
CC: Russell King <linux@arm.linux.org.uk>
CC: linux-arm-kernel@lists.infradead.org
This creates a new SoC bus driver for the ARM Integrator
family core modules to register the SoC bus and provide
sysfs info for the core module. We delete the corresponding
code from the Integrator machine and select this driver to
get a clean result.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This gets rid of the custom LED driver in the Integrator directory
altogether and switches us over to using the syscon LEDs for this.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Integrator debug block is a simple set of registers, make
it a syscon and register the four LEDs on the Integrator/AP
baseboard as syscon LEDs.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Using the augmented reset driver for the Versatile family,
we can move the reset handling for the Integrator out of the
machine. We add a "syscon" attribute to the core module, and
access the syscon registers using this handle. We need to
select SYSCON, POWER, POWER_RESET and POWER_RESET_VERSATILE
in order for the restart functionality to always be
available on all systems (it should not be optional).
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This moves the timer/clocksource implementation for the
Integrator/AP down to drivers/clocksource and augments the
driver a little to use CLOCKSOURCE_OF_DECLARE(). Remove
the static mapping of the timer blocks while we're at it.
Tested on the Integrator/AP.
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This converts the ARM Integrator reference designs to be fully
multiplatform. V4T, V5 and V6 multiplatform builds become
possible after this patch.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The ranges property for a host bridge controller in DT describes the
mapping between the PCI bus address and the CPU physical address. The
resources framework however expects that the IO resources start at a pseudo
"port" address 0 (zero) and have a maximum size of IO_SPACE_LIMIT. The
conversion from PCI ranges to resources failed to take that into account,
returning a CPU physical address instead of a port number.
Also fix all the drivers that depend on the old behaviour by fetching the
CPU physical address based on the port number where it is being needed.
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
CC: Grant Likely <grant.likely@linaro.org>
CC: Rob Herring <robh+dt@kernel.org>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Thierry Reding <thierry.reding@gmail.com>
CC: Simon Horman <horms@verge.net.au>
CC: Catalin Marinas <catalin.marinas@arm.com>
The IM-PD1 logic module daughterboard holds an MMCI block, which
we can now provide using platform resources such as proper GPIO
lines etc. We add the GPIO table dynamically and using the new
GPIO descriptor mechanism. Tested and hey, it works:
root@integrator:/ mount /dev/mmcblk0p1 /mnt/
root@integrator:/ ls /mnt/
ARM U-BOOT.EXE u-boot.bin u-boot.srec u-pad.bin
Reviewed-by: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This is the bulk of new SoC enablement and other platform changes for 3.17:
* Samsung S5PV210 has been converted to DT and multiplatform
* Clock drivers and bindings for some of the lower-end i.MX 1/2 platforms
* Kirkwood, one of the popular Marvell platforms, is folded into the
mvebu platform code, removing mach-kirkwood.
* Hwmod data for TI AM43xx and DRA7 platforms.
* More additions of Renesas shmobile platform support
* Removal of plat-samsung contents that can be removed with S5PV210 being
multiplatform/DT-enabled and the other two old platforms being removed.
New platforms (most with only basic support right now):
* Hisilicon X5HD2 settop box chipset is introduced
* Mediatek MT6589 (mobile chipset) is introduced
* Broadcom BCM7xxx settop box chipset is introduced
+ as usual a lot other pieces all over the platform code.
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Merge tag 'soc-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform changes from Olof Johansson:
"This is the bulk of new SoC enablement and other platform changes for
3.17:
- Samsung S5PV210 has been converted to DT and multiplatform
- Clock drivers and bindings for some of the lower-end i.MX 1/2
platforms
- Kirkwood, one of the popular Marvell platforms, is folded into the
mvebu platform code, removing mach-kirkwood
- Hwmod data for TI AM43xx and DRA7 platforms
- More additions of Renesas shmobile platform support
- Removal of plat-samsung contents that can be removed with S5PV210
being multiplatform/DT-enabled and the other two old platforms
being removed
New platforms (most with only basic support right now):
- Hisilicon X5HD2 settop box chipset is introduced
- Mediatek MT6589 (mobile chipset) is introduced
- Broadcom BCM7xxx settop box chipset is introduced
+ as usual a lot other pieces all over the platform code"
* tag 'soc-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (240 commits)
ARM: hisi: remove smp from machine descriptor
power: reset: move hisilicon reboot code
ARM: dts: Add hix5hd2-dkb dts file.
ARM: debug: Rename Hi3716 to HIX5HD2
ARM: hisi: enable hix5hd2 SoC
ARM: hisi: add ARCH_HISI
MAINTAINERS: add entry for Broadcom ARM STB architecture
ARM: brcmstb: select GISB arbiter and interrupt drivers
ARM: brcmstb: add infrastructure for ARM-based Broadcom STB SoCs
ARM: configs: enable SMP in bcm_defconfig
ARM: add SMP support for Broadcom mobile SoCs
Documentation: arm: misc updates to Marvell EBU SoC status
Documentation: arm: add URLs to public datasheets for the Marvell Armada XP SoC
ARM: mvebu: fix build without platforms selected
ARM: mvebu: add cpuidle support for Armada 38x
ARM: mvebu: add cpuidle support for Armada 370
cpuidle: mvebu: add Armada 38x support
cpuidle: mvebu: add Armada 370 support
cpuidle: mvebu: rename the driver from armada-370-xp to mvebu-v7
ARM: mvebu: export the SCU address
...
- Remove <mach/memory.h> from the Integrator, paving the
road for multiplatform.
- Push the CLCD helper code down into the framebuffer subsystem,
removing the last hook in plat-versatile for the Integrator,
also paving the road for multiplatform.
Patches tested on Integrator/AP, Integrator/CP and Versatile AB
(all real hardware).
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Merge tag 'versatile-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/cleanup
Merge "First pull request of Versatile family clean-ups for v3.17" from Linus
Walleij:
- Remove <mach/memory.h> from the Integrator, paving the
road for multiplatform.
- Push the CLCD helper code down into the framebuffer subsystem,
removing the last hook in plat-versatile for the Integrator,
also paving the road for multiplatform.
Patches tested on Integrator/AP, Integrator/CP and Versatile AB
(all real hardware).
* tag 'versatile-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
video: move Versatile CLCD helpers
ARM: integrator: get rid of <mach/memory.h>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge tag 'versatile-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into next/soc
Merge "DT IRQ and clock support for Versatile platforms" from Rob Herring.
This branch moves IRQ and clock support over to DT for the versatile
platforms.
* tag 'versatile-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
clk: versatile: add versatile OSC support
dts: versatile: add clock tree
ARM: timer-sp: allow getting timer1 clock from DT to fallback to legacy clock
dt/bindings: add compatible string for versatile osc clock
dt/bindings: arm-boards: add binding for Versatile core module
dts: versatile: add pl180 compatible strings
ARM: versatile: remove init_irq hook for DT boot
ARM: integrator: convert to use irqchip_init
irqchip: versatile-fpga: add support for arm,versatile-sic
irqchip: versatile-fpga: Add IRQCHIP_DECLARE support
dts: versatile: add missing irq controller properties
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Olof Johansson <olof@lixom.net>
This moves the Versatile-specific helper code and panel database
down into the drivers/video folder next to the CLCD driver
itself, preserving the config symbol but also moving the header
to platform data.
This is necessary to rid the Integrator of this final <plat/*>
inclusion dependency and get us one less user of the
plat-versatile folder.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: linux-fbdev@vger.kernel.org
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Integrator has a custom <mach/memory.h> header defining the
BUS_OFFSET for *_to_bus and bus_to_* operations as offset from
0x80000000.
This switches the Integrator over to using the mechanism
introduced for the Keystone to provide the same offset using
the device tree, deletes <mach/memory.h> and augments the
Integrator device tree to provide the bus offset.
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Now that versatile-fpga irqchip has IRQCHIP_DECLARE support, the interrupt
related initialization can be removed.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Commit 07e461cd7e
"of: Ensure unique names without sacrificing determinism"
caused a boot failure regression on the Integrator machines.
The problem is probably caused by fiddling too much with
the device tree population in the OF init function, such
as passing the SoC bus device as parent when populating
the device tree.
This patch fixes the problem by:
- Avoiding to explicitly look up the tree root
- Look up devices needed before device population from
the match only, passing NULL as root
- Passing NULL as root and parent when calling
of_platform_populate()
After this the Integrators boot again. Tested on
Integrator/AP and Integrator/CP.
Cc: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This addresses a section mismatch problem in the IM-PD1
driver in the Integrator/AP.
The IM-PD1 contains a VIC interrupt controller and therefore
the driver calls vic_init_cascaded() which is marked __init as
irqchips are simply not hot-pluggable and specifically the VIC
is assumed to initiate only on boot.
However the module driver model of the Integrator LM bus
assumes that logic tile drivers can be probed at runtime. This
is not really the case for IM-PD1: these tiles are detected at
boot and they cannot be plugged into a running system. Before
this patch it is of course possible to modprobe them later.
By first forcing the IM-PD1 to bool we make sure this driver
gets compiled into the kernel, and we know it will be probed
only at boot time when the tiles are detected, so we can tag
its probe function __init_refok as we know it won't be called
after boot now, and the section mismatch problem goes away.
As a side effect, sysfs binding from userspace becomes
impossible, so we tag the driver to suppress the bind/unbind
sysfs attributes.
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
These could not be part of the first cleanup branch, because they either
came too late in the cycle, or they have dependencies on other branches.
Important changes are:
* The integrator platform is almost multiplatform capable after
some reorganization (Linus Walleij)
* Minor cleanups on Zynq (Michal Simek)
* Lots of changes for Exynos and other Samsung platforms, including
further preparations for multiplatform support and the clocks bindings
are rearranged.
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Merge tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late cleanups from Arnd Bergmann:
"These could not be part of the first cleanup branch, because they
either came too late in the cycle, or they have dependencies on other
branches. Important changes are:
- The integrator platform is almost multiplatform capable after some
reorganization (Linus Walleij)
- Minor cleanups on Zynq (Michal Simek)
- Lots of changes for Exynos and other Samsung platforms, including
further preparations for multiplatform support and the clocks
bindings are rearranged"
* tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
devicetree: fix newly added exynos sata bindings
ARM: EXYNOS: Fix compilation error in cpuidle.c
ARM: S5P64X0: Explicitly include linux/serial_s3c.h in mach/pm-core.h
ARM: EXYNOS: Remove hardware.h file
ARM: SAMSUNG: Remove hardware.h inclusion
ARM: S3C24XX: Remove invalid code from hardware.h
dt-bindings: clock: Move exynos-audss-clk.h to dt-bindings/clock
ARM: dts: Keep some essential LDOs enabled for arndale-octa board
ARM: dts: Disable MDMA1 node for arndale-octa board
ARM: S3C64XX: Fix build for implicit serial_s3c.h inclusion
serial: s3c: Fix build of header without serial_core.h preinclusion
ARM: EXYNOS: Allow wake-up using GIC interrupts
ARM: EXYNOS: Stop using legacy Samsung PM code
ARM: EXYNOS: Remove PM initcalls and useless indirection
ARM: EXYNOS: Fix abuse of CONFIG_PM
ARM: SAMSUNG: Move s3c_pm_check_* prototypes to plat/pm-common.h
ARM: SAMSUNG: Move common save/restore helpers to separate file
ARM: SAMSUNG: Move Samsung PM debug code into separate file
ARM: SAMSUNG: Consolidate PM debug functions
ARM: SAMSUNG: Use debug_ll_addr() to get UART base address
...
These changes are mostly for ARM specific device drivers that either
don't have an upstream maintainer, or that had the maintainer ask
us to pick up the changes to avoid conflicts. A large chunk of this
are clock drivers (bcm281xx, exynos, versatile, shmobile), aside from
that, reset controllers for STi as well as a large rework of the
Marvell Orion/EBU watchdog driver are notable.
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Merge tag 'drivers-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver changes from Arnd Bergmann:
"These changes are mostly for ARM specific device drivers that either
don't have an upstream maintainer, or that had the maintainer ask us
to pick up the changes to avoid conflicts.
A large chunk of this are clock drivers (bcm281xx, exynos, versatile,
shmobile), aside from that, reset controllers for STi as well as a
large rework of the Marvell Orion/EBU watchdog driver are notable"
* tag 'drivers-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (99 commits)
Revert "dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac."
Revert "net: stmmac: Add SOCFPGA glue driver"
ARM: shmobile: r8a7791: Fix SCIFA3-5 clocks
ARM: STi: Add reset controller support to mach-sti Kconfig
drivers: reset: stih416: add softreset controller
drivers: reset: stih415: add softreset controller
drivers: reset: Reset controller driver for STiH416
drivers: reset: Reset controller driver for STiH415
drivers: reset: STi SoC system configuration reset controller support
dts: socfpga: Add sysmgr node so the gmac can use to reference
dts: socfpga: Add support for SD/MMC on the SOCFPGA platform
reset: Add optional resets and stubs
ARM: shmobile: r7s72100: fix bus clock calculation
Power: Reset: Generalize qnap-poweroff to work on Synology devices.
dts: socfpga: Update clock entry to support multiple parents
ARM: socfpga: Update socfpga_defconfig
dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac.
net: stmmac: Add SOCFPGA glue driver
watchdog: orion_wdt: Use %pa to print 'phys_addr_t'
drivers: cci: Export CCI PMU revision
...
These cleanup patches are mainly move stuff around and should all
be harmless. They are mainly split out so that other branches can
be based on top to avoid conflicts.
Notable changes are:
* We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
longer used. (Uwe Kleine-König)
* The Qualcomm MSM platform is split out into legacy mach-msm and
new-style mach-qcom, to allow easier maintainance of the new
hardware support without regressions. (Kumar Gala)
* A rework of some of the Kconfig logic to simplify multiplatform
support (Rob Herring)
* Samsung Exynos gets closer to supporting multiplatform (Sachin
Kamat and others)
* mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
* at91 gains some common clock framework support (Alexandre Belloni,
Jean-Jacques Hiblot and other French people).
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Merge tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"These cleanup patches are mainly move stuff around and should all be
harmless. They are mainly split out so that other branches can be
based on top to avoid conflicts.
Notable changes are:
- We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
longer used (Uwe Kleine-König)
- The Qualcomm MSM platform is split out into legacy mach-msm and
new-style mach-qcom, to allow easier maintainance of the new
hardware support without regressions (Kumar Gala)
- A rework of some of the Kconfig logic to simplify multiplatform
support (Rob Herring)
- Samsung Exynos gets closer to supporting multiplatform (Sachin
Kamat and others)
- mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
- at91 gains some common clock framework support (Alexandre Belloni,
Jean-Jacques Hiblot and other French people)"
* tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (89 commits)
ARM: hisi: select HAVE_ARM_SCU only for SMP
ARM: efm32: allow uncompress debug output
ARM: prima2: build reset code standalone
ARM: at91: add PWM clock
ARM: at91: move sam9261 SoC to common clk
ARM: at91: prepare common clk transition for sam9261 SoC
ARM: at91: updated the at91_dt_defconfig with support for the ADS7846
ARM: at91: dt: sam9261: Device Tree support for the at91sam9261ek
ARM: at91: dt: defconfig: Added the sam9261 to the list of DT-enabled SOCs
ARM: at91: dt: Add at91sam9261 dt SoC support
ARM: at91: switch sam9rl to common clock framework
ARM: at91/dt: define main clk frequency of at91sam9rlek
ARM: at91/dt: define at91sam9rl clocks
ARM: at91: prepare common clk transition for sam9rl SoCs
ARM: at91: prepare sam9 dt boards transition to common clk
ARM: at91: dt: sam9rl: Device Tree for the at91sam9rlek
ARM: at91/defconfig: Add the sam9rl to the list of DT-enabled SOCs
ARM: at91: Add at91sam9rl DT SoC support
ARM: at91: prepare at91sam9rl DT transition
ARM: at91/defconfig: refresh at91sam9260_9g20_defconfig
...
Lots of isolated bug fixes that were not found to be important
enough to be submitted before the merge window or backported
into stable kernels.
The vast majority of these came out of Arnd's randconfig testing
and just prevents running into build-time bugs in configurations
that we do not care about in practice.
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Merge tag 'fixes-non-critical-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-critical bug fixes from Arnd Bergmann:
"Lots of isolated bug fixes that were not found to be important enough
to be submitted before the merge window or backported into stable
kernels.
The vast majority of these came out of Arnd's randconfig testing and
just prevents running into build-time bugs in configurations that we
do not care about in practice"
* tag 'fixes-non-critical-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
ARM: at91: fix a typo
ARM: moxart: fix CPU selection
ARM: tegra: fix board DT pinmux setup
ARM: nspire: Fix compiler warning
IXP4xx: Fix DMA masks.
Revert "ARM: ixp4xx: Make dma_set_coherent_mask common, correct implementation"
IXP4xx: Fix Goramo Multilink GPIO conversion.
Revert "ARM: ixp4xx: fix gpio rework"
ARM: tegra: make debug_ll code build for ARMv6
ARM: sunxi: fix build for THUMB2_KERNEL
ARM: exynos: add missing include of linux/module.h
ARM: exynos: fix l2x0 saved regs handling
ARM: samsung: select CRC32 for SAMSUNG_PM_CHECK
ARM: samsung: select ATAGS where necessary
ARM: samsung: fix SAMSUNG_PM_DEBUG Kconfig logic
ARM: samsung: allow serial driver to be disabled
ARM: s5pv210: enable IDE support in MACH_TORBRECK
ARM: s5p64x0: fix building with only one soc type
ARM: s3c64xx: select power domains only when used
ARM: s3c64xx: MACH_SMDK6400 needs HSMMC1
...
Building the integrator platform without TTY support currently
results in a build failure because we always turn on the
pl010 or pl011 drivers. Changing this to a conditional 'select'
statement enables us to build more random configurations, although
it should have little impact for practical configurations.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
This patch removes the use of the IRQF_DISABLED flag
from miscellaneous code in mach-xxx and plat-xxx
This flag is a NOOP since 2.6.35 and it will be removed one day.
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The detour through plat-versatile/sched-clock.c is hard to migrate
to multiplatform set-up and it's very little code being duplicated
so let's just inline the sched_clock registration and cut one more
dependency to plat-versatile.
This also makes this sched_clock implementation compulsory.
Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As we move toward multiplatform support for the Integrator family
we need to localize all <mach/*> headers. This moves the hardware.h
header down to the machine folder. There are no users outside the
machine in the kernel.
Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There is no need to have the two separate headers <mach/platform.h>
and <mach/hardware.h>, especially since we are now going to make them
local files. There is not one single driver outside the mach-integrator
folder referencing any of the files.
Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As we move toward multiplatform support for the Integrator family
we need to localize all <mach/*> headers. This moves the impd1.h
header down to the machine folder, copying the the three defines
only used by the clock driver down into the clock driver.
Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As we move toward multiplatform support for the Integrator family
we need to localize all <mach/*> headers. This moves the lm.h
header down to the machine folder as it is not used outside it
anyway.
Cc: Will Deacon <will.deacon@arm.com>
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
ARCH_MULTIPLATFORM. (For multi-platform code it's already unused since
387798b (ARM: initial multiplatform support).)
To make this work some code out of arch/arm needed to be adapted. The
respective changes got acks by their maintainers to be taken via armsoc
(with Andrew Morton substituting for Alessandro Zummo as rtc maintainer).
Compared to the previous pull request there was another patch added that
fixes a (non-critical) regression on ixp4xx. Olof Johansson asked to not
squash this fix into the original commit to save him from the need to
reverify the series.
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Merge tag 'dropmachtimexh-v2' of git://git.pengutronix.de/git/ukl/linux into next/cleanup
This cleanup series gets rid of <mach/timex.h> for platforms not using
ARCH_MULTIPLATFORM. (For multi-platform code it's already unused since
387798b (ARM: initial multiplatform support).)
To make this work some code out of arch/arm needed to be adapted. The
respective changes got acks by their maintainers to be taken via armsoc
(with Andrew Morton substituting for Alessandro Zummo as rtc maintainer).
Compared to the previous pull request there was another patch added that
fixes a (non-critical) regression on ixp4xx. Olof Johansson asked to not
squash this fix into the original commit to save him from the need to
reverify the series.
* tag 'dropmachtimexh-v2' of git://git.pengutronix.de/git/ukl/linux:
ARM: ixp4xx: fix timer latch calculation
ARM: drop <mach/timex.h> for !ARCH_MULTIPLATFORM, too
ARM: rpc: stop using <mach/timex.h>
ARM: ixp4xx: stop using <mach/timex.h>
input: ixp4xx-beeper: don't use symbols from <mach/timex.h>
ARM: at91: don't use <mach/timex.h>
ARM: ep93xx: stop using mach/timex.h
ARM: mmp: stop using mach/timex.h
ARM: netx: stop using mach/timex.h
ARM: sa1100: stop using mach/timex.h
clocksource: sirf/marco+prima2: drop usage of CLOCK_TICK_RATE
rtc: pxa: drop unused #define TIMER_FREQ
rtc: at91sam9: include <mach/hardware.h> explicitly
ARM/serial: at91: switch atmel serial to use gpiolib
Signed-off-by: Olof Johansson <olof@lixom.net>
The Integrator/AP can be used with a logic module called
IM-PD1, which contains a few AMBA PrimeCell devices, one of which
is the PL061 GPIO controller. As the lines from this GPIO
controller are looped back to devices on the board itself and
provides resources back to it, we need to always have GPIO
and the PL061 driver available for other devices to work.
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The peripherals on the IM-PD1 has never really been able to
properly fire their IRQs to the main FPGA IRQ controller.
Cascade it properly and register interrupts for all the
devices in the array.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This atomic commit changes the Integrator clock implementation
and the machines to register clocks from the device tree and
use these instead of the previous hard-coded clocks.
In the clock implementation all hard-coded clocks and the
special initialization function call goes away, and is
replaced by two compatible strings for the two clocks
available on the core module.
Cc: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Commit 78d1632183 deleted the
static mappings of the core modules, but this static map is
still needed on the Integrator/CP (not the Integrator/AP).
Restore the static map on the Integrator/CP.
Reported-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
DT and DT-conversion-related changes for various ARM platforms. Most
of these are to enable various devices on various boards, etc, and not
necessarily worth enumerating.
New boards and systems continue to come in as new devicetree files that
don't require corresponding C changes any more, which is indicating that
the system is starting to work fairly well.
A few things worth pointing out:
* ST Ericsson ux500 platforms have made the major push to move over to fully
support the platform with DT.
* Renesas platforms continue their conversion over from legacy platform devices
to DT-based for hardware description.
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates from Olof Johansson:
"DT and DT-conversion-related changes for various ARM platforms. Most
of these are to enable various devices on various boards, etc, and not
necessarily worth enumerating.
New boards and systems continue to come in as new devicetree files
that don't require corresponding C changes any more, which is
indicating that the system is starting to work fairly well.
A few things worth pointing out:
* ST Ericsson ux500 platforms have made the major push to move over
to fully support the platform with DT
* Renesas platforms continue their conversion over from legacy
platform devices to DT-based for hardware description"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (327 commits)
ARM: dts: SiRF: add pin group for USP0 with only RX or TX frame sync
ARM: dts: SiRF: add lost usp1_uart_nostreamctrl pin group for atlas6
ARM: dts: sirf: add lost minigpsrtc device node
ARM: dts: sirf: add clock, frequence-voltage table for CPU0
ARM: dts: sirf: add lost bus_width, clock and status for sdhci
ARM: dts: sirf: add lost clocks for cphifbg
ARM: dts: socfpga: add pl330 clock
ARM: dts: socfpga: update L2 tag and data latency
arm: sun7i: cubietruck: Enable the i2c controllers
ARM: dts: add support for EXYNOS4412 based TINY4412 board
ARM: dts: Add initial support for Arndale Octa board
ARM: bcm2835: add USB controller to device tree
ARM: dts: MSM8974: Add MMIO architected timer node
ARM: dts: MSM8974: Add restart node
ARM: dts: sun7i: external clock outputs
ARM: dts: sun7i: Change 32768 Hz oscillator node name to clk@N style
ARM: dts: sun7i: Add pin muxing options for clock outputs
ARM: dts: sun7i: Add rtp controller node
ARM: dts: sun5i: Add rtp controller node
ARM: dts: sun4i: Add rtp controller node
...
While <mach/timex.h> isn't used for multi-platform builds since long it
still is for "normal" builds. As the previous patches fix all sites to
not make use of this per-platform file, it can go now for good also for
platforms that are not (yet) converted to multi-platform.
While at it there are no users of CLOCK_TICK_RATE any more, so also drop
the dummy #define.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
From Stephen Boyd:
* soc/sched_clock:
ARM: versatile: Switch to sched_clock_register()
ARM: orion: Switch to sched_clock_register()
ARM: OMAP: Switch to sched_clock_register()
ARM: iop: Switch to sched_clock_register()
ARM: u300: Switch to sched_clock_register()
ARM: sa1100: Switch to sched_clock_register()
ARM: pxa: Switch to sched_clock_register()
ARM: OMAP2+: Switch to sched_clock_register()
ARM: OMAP1: Switch to sched_clock_register()
ARM: msm: Switch to sched_clock_register()
ARM: mmp: Switch to sched_clock_register()
ARM: IXP4xx: Switch to sched_clock_register()
ARM: integrator: Switch to sched_clock_register()
ARM: imx: Switch to sched_clock_register()
ARM: davinci: Switch to sched_clock_register()
ARM: clps711x: Switch to sched_clock_register()
ARM: timer-sp: Switch to sched_clock_register()
Signed-off-by: Kevin Hilman <khilman@linaro.org>
This moves the External Bus Interface (EBI) over to a device
tree node and deletes the static mappings from the platform.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Now that the core module base is taken from the device tree
both for platform initialization and cpufreq, let's delete
the static mappings.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The 32 bit sched_clock interface now supports 64 bits. Upgrade to
the 64 bit function to allow us to remove the 32 bit registration
interface.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
with few other fixes that popped up during the merge window.
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Merge tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Few clock fixes, a runtime PM fix, and pinctrl-single fix along
with few other fixes that popped up during the merge window.
* tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix build for dra7xx without omap4 and 5
ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume
doc: devicetree: Add bindings documentation for omap-des driver
ARM: dts: doc: Document missing compatible property for omap-sham driver
ARM: OMAP3: Beagle: fix return value check in beagle_opp_init()
ARM: OMAP: devicetree: fix SPI node compatible property syntax items
pinctrl: single: call pcs_soc->rearm() whenever IRQ mask is changed
ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init()
+ sync with newer trunk
This turns on the internal integrator LCD display(s). It seems that the code
to do this got lost in refactoring of the CLCD driver.
Signed-off-by: Jonathan Austin <jonathan.austin@arm.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
usual for this cycle with lots of clean-up.
- Cross arch clean-up and consolidation of early DT scanning code.
- Clean-up and removal of arch prom.h headers. Makes arch specific
prom.h optional on all but Sparc.
- Addition of interrupts-extended property for devices connected to
multiple interrupt controllers.
- Refactoring of DT interrupt parsing code in preparation for deferred
probe of interrupts.
- ARM cpu and cpu topology bindings documentation.
- Various DT vendor binding documentation updates.
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Merge tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DeviceTree updates for 3.13. This is a bit larger pull request than
usual for this cycle with lots of clean-up.
- Cross arch clean-up and consolidation of early DT scanning code.
- Clean-up and removal of arch prom.h headers. Makes arch specific
prom.h optional on all but Sparc.
- Addition of interrupts-extended property for devices connected to
multiple interrupt controllers.
- Refactoring of DT interrupt parsing code in preparation for
deferred probe of interrupts.
- ARM cpu and cpu topology bindings documentation.
- Various DT vendor binding documentation updates"
* tag 'devicetree-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (82 commits)
powerpc: add missing explicit OF includes for ppc
dt/irq: add empty of_irq_count for !OF_IRQ
dt: disable self-tests for !OF_IRQ
of: irq: Fix interrupt-map entry matching
MIPS: Netlogic: replace early_init_devtree() call
of: Add Panasonic Corporation vendor prefix
of: Add Chunghwa Picture Tubes Ltd. vendor prefix
of: Add AU Optronics Corporation vendor prefix
of/irq: Fix potential buffer overflow
of/irq: Fix bug in interrupt parsing refactor.
of: set dma_mask to point to coherent_dma_mask
of: add vendor prefix for PHYTEC Messtechnik GmbH
DT: sort vendor-prefixes.txt
of: Add vendor prefix for Cadence
of: Add empty for_each_available_child_of_node() macro definition
arm/versatile: Fix versatile irq specifications.
of/irq: create interrupts-extended property
microblaze/pci: Drop PowerPC-ism from irq parsing
of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code.
of/irq: Use irq_of_parse_and_map()
...
Several architectures open code effectively the same code block for
finding and mapping PCI irqs. This patch consolidates it down to a
single function.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Acked-by: Michal Simek <monstr@monstr.eu>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
All the callers of irq_create_of_mapping() pass the contents of a struct
of_phandle_args structure to the function. Since all the callers already
have an of_phandle_args pointer, why not pass it directly to
irq_create_of_mapping()?
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Acked-by: Michal Simek <monstr@monstr.eu>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
struct of_irq and struct of_phandle_args are exactly the same structure.
This patch makes the kernel use of_phandle_args everywhere. This in
itself isn't a big deal, but it makes some follow-on patches simpler.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Acked-by: Michal Simek <monstr@monstr.eu>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The OF irq handling code has been overloading the term 'map' to refer to
both parsing the data in the device tree and mapping it to the internal
linux irq system. This is probably because the device tree does have the
concept of an 'interrupt-map' function for translating interrupt
references from one node to another, but 'map' is still confusing when
the primary purpose of some of the functions are to parse the DT data.
This patch renames all the of_irq_map_* functions to of_irq_parse_*
which makes it clear that there is a difference between the parsing
phase and the mapping phase. Kernel code can make use of just the
parsing or just the mapping support as needed by the subsystem.
The patch was generated mechanically with a handful of sed commands.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Acked-by: Michal Simek <monstr@monstr.eu>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This augments the core machine code for the Integrator platforms
to get their references to the core module device nodes by
using compatible strings instead of predefined node names
and rename the CP syscon node to be simply "syscon".
Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
In the PCIv3 driver, use devm_ioremap() instead of just ioremap()
when remapping the system controller in the PCIv3 driver, so
the mapping will be automatically released on probe failure.
Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Rob Herring