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Linus Torvalds 2bf73dd61a ARM: SoC: late cleanups
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
  ...
2014-04-05 15:46:37 -07:00
Linus Torvalds cbda94e039 ARM: SoC: driver changes
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
  ...
2014-04-05 15:37:40 -07:00
Linus Torvalds dfc25e4503 ARM: SoC: cleanups for 3.15
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
  ...
2014-04-05 13:51:19 -07:00
Linus Torvalds 9f800363bb ARM: SoC non-critical bug fixes for 3.15
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
  ...
2014-04-05 13:44:27 -07:00
Arnd Bergmann 152c55553e ARM: integrator: only select pl01x if TTY is enabled
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>
2014-03-21 18:26:12 +01:00
Michael Opdenacker 78f6db9952 ARM: 8000/1: misc: remove deprecated IRQF_DISABLED
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>
2014-03-12 10:32:38 +00:00
Linus Walleij a79528e9d8 ARM: integrator: register sched_clock directly
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>
2014-02-26 13:49:07 +01:00
Linus Walleij 1b1ef755bd ARM: integrator: localize the hardware.h header
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>
2014-02-26 13:49:07 +01:00
Linus Walleij f8487aa85b ARM: integrator: merge platform.h to hardware.h
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>
2014-02-26 13:49:06 +01:00
Linus Walleij cc0cc4ca09 ARM: integrator: localize the impd1.h header
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>
2014-02-26 13:49:06 +01:00
Linus Walleij c36928adfc ARM: integrator: localize the lm.h header
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>
2014-02-26 13:49:05 +01:00
Olof Johansson 11d73c56b9 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.
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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>
2014-02-18 22:19:33 -08:00
Linus Walleij 29525484cd ARM: integrator: select GPIO block
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>
2014-02-13 11:21:37 +01:00
Linus Walleij 52d555ffff ARM: integrator: register the IM-PD1 VIC
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>
2014-02-13 11:21:34 +01:00
Linus Walleij 31d951e2c9 ARM: integrator: use managed resources for the IM-PD1
Switch the IM-PD1 driver to use managed resources and cut down
on boilerplate.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-13 11:21:28 +01:00
Linus Walleij 09c978bc7b ARM: integrator: switch to fetch clocks from device tree
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>
2014-02-13 11:20:42 +01:00
Linus Walleij 608914b376 ARM: integrator: restore static map on the CP
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>
2014-01-31 14:58:52 -08:00
Linus Torvalds 9b6d351a75 ARM: SoC DT updates for 3.14
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
  ...
2014-01-23 18:45:38 -08:00
Uwe Kleine-König 79f08d9ed2 ARM: drop <mach/timex.h> for !ARCH_MULTIPLATFORM, too
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>
2013-12-20 17:17:16 +01:00
Kevin Hilman b8969ef5cf Merge branch 'soc/sched_clock' into next/soc
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>
2013-12-06 08:05:55 -08:00
Linus Walleij 307b96677c ARM: integrator: move EBI to the device tree
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>
2013-12-04 16:22:31 +01:00
Linus Walleij 78d1632183 ARM: integrator: delete static core module mappings
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>
2013-12-04 16:22:31 +01:00
Stephen Boyd 7a4143fac8 ARM: integrator: Switch to sched_clock_register()
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>
2013-11-21 15:41:00 -08:00
Olof Johansson 6886059f2e Few clock fixes, a runtime PM fix, and pinctrl-single fix along
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
2013-11-15 15:17:59 -08:00
Jonathan Austin 30aeadd44d ARM: integrator_cp: Set LCD{0,1} enable lines when turning on CLCD
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>
2013-11-14 10:44:30 -08:00
Linus Torvalds 10d0c9705e 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.
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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()
  ...
2013-11-12 16:52:17 +09:00
Grant Likely 16b84e5a50 of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code.
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>
2013-10-24 11:50:36 +01:00
Grant Likely e6d30ab1e7 of/irq: simplify args to irq_create_of_mapping
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>
2013-10-24 11:42:57 +01:00
Grant Likely 530210c781 of/irq: Replace of_irq with of_phandle_args
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>
2013-10-24 11:42:51 +01:00
Grant Likely 0c02c8007e of/irq: Rename of_irq_map_* functions to of_irq_parse_*
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>
2013-10-24 11:40:59 +01:00
Linus Walleij df36680f1a ARM: integrator: core module registers from compatible strings
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>
2013-10-16 14:10:14 +02:00
Linus Walleij 99d14a1d9b ARM: integrator: use devm_ioremap() to remap CM
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>
2013-10-16 14:10:10 +02:00
Linus Walleij bb4dbefe4c ARM: integrator: move CM base into device tree
This moves the core module (CM) control base into the device
tree. It is a simple memory range of 0x200 bytes. Move the
cm header down into the machine directory and unexport the
cm_control() symbol as no modules are using it.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-10-16 14:09:56 +02:00
Linus Walleij 578fdfdf32 ARM: integrator: decommission the <mach/irqs.h> header
This header is no longer needed when we boot from the device tree.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-10-16 14:09:52 +02:00
Linus Walleij d7057e1de8 ARM: integrator: delete non-devicetree boot path
The Device Tree boot path now supports everything the ATAG
boot can provide, and the two are equivalent. This deletes
the ATAG boot path from the Integrator/AP and
Integrator/CP platforms to move them on to the future.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-10-16 14:09:49 +02:00
Linus Walleij 50564a794d ARM: integrator: print the Linux IRQ in LL_DEBUG code
The static HW irqs have no meaning in the interrupt handler
and does not correlate to the /proc/interrupts IRQ numbers
anymore, print the Linux IRQ number instead.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-10-16 14:09:45 +02:00
Linus Walleij a67202583f ARM: integrator: get the LM interrupts from DT
The OF/DT boot path needs to get the LM (Logical Module)
IRQs from the device tree for coherency. This augments the
DT syscon node to contain these IRQs and alter the DT LM
code to get them from there.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-10-16 14:09:38 +02:00
Linus Walleij fb61f86223 ARM: integrator: get the CM control register by proxy
The CM_CTRL register was accessed directly from the LED driver,
which does not work now that we get the base for the register
from the device tree. Add an accessor function to do this and
make the LED driver compile again.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-10-16 14:09:31 +02:00
Joerg Roedel 4dc3231f81 ARM: mach-integrator: Add stub for pci_v3_early_init() for !CONFIG_PCI
This fixes a compile error where CONFIG_PCI is disabled:

  LD      init/built-in.o
arch/arm/mach-integrator/built-in.o: In function `ap_map_io':
integrator_cp.c:(.init.text+0x570): undefined reference to `pci_v3_early_init'
make[1]: *** [vmlinux] Error 1
make: *** [sub-make] Error 2

Cc: stable@vger.kernel.org
Signed-off-by: Joerg Roedel <joro@8bytes.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-09-25 21:59:52 -07:00
Russell King 4e218b9928 ARM: debug: move PL01X debug include into arch/arm/include/debug/
Now that the PL01X debug include can mostly stand alone without
requiring platforms to provide any macros, move it into the debug
directory so it can be directly included.  This allows us to get rid of
a lot of debug-macros include files.

The autodetect case for Versatile Express and the ux500 are left alone;
these are more complicated implementations.

Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-08-25 17:11:06 +01:00
Russell King 5c972af407 ARM: debug: provide PL01x debug uart phys/virt address configuration options
Move the definition of the UART register addresses out of the platform
specific header files into the Kconfig files.

Acked-by: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-08-25 17:11:05 +01:00
Robin Holt 7b6d864b48 reboot: arm: change reboot_mode to use enum reboot_mode
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>
2013-07-09 10:33:29 -07:00
Linus Torvalds 21884a83b2 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer core updates from Thomas Gleixner:
 "The timer changes contain:

   - posix timer code consolidation and fixes for odd corner cases

   - sched_clock implementation moved from ARM to core code to avoid
     duplication by other architectures

   - alarm timer updates

   - clocksource and clockevents unregistration facilities

   - clocksource/events support for new hardware

   - precise nanoseconds RTC readout (Xen feature)

   - generic support for Xen suspend/resume oddities

   - the usual lot of fixes and cleanups all over the place

  The parts which touch other areas (ARM/XEN) have been coordinated with
  the relevant maintainers.  Though this results in an handful of
  trivial to solve merge conflicts, which we preferred over nasty cross
  tree merge dependencies.

  The patches which have been committed in the last few days are bug
  fixes plus the posix timer lot.  The latter was in akpms queue and
  next for quite some time; they just got forgotten and Frederic
  collected them last minute."

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (59 commits)
  hrtimer: Remove unused variable
  hrtimers: Move SMP function call to thread context
  clocksource: Reselect clocksource when watchdog validated high-res capability
  posix-cpu-timers: don't account cpu timer after stopped thread runtime accounting
  posix_timers: fix racy timer delta caching on task exit
  posix-timers: correctly get dying task time sample in posix_cpu_timer_schedule()
  selftests: add basic posix timers selftests
  posix_cpu_timers: consolidate expired timers check
  posix_cpu_timers: consolidate timer list cleanups
  posix_cpu_timer: consolidate expiry time type
  tick: Sanitize broadcast control logic
  tick: Prevent uncontrolled switch to oneshot mode
  tick: Make oneshot broadcast robust vs. CPU offlining
  x86: xen: Sync the CMOS RTC as well as the Xen wallclock
  x86: xen: Sync the wallclock when the system time is set
  timekeeping: Indicate that clock was set in the pvclock gtod notifier
  timekeeping: Pass flags instead of multiple bools to timekeeping_update()
  xen: Remove clock_was_set() call in the resume path
  hrtimers: Support resuming with two or more CPUs online (but stopped)
  timer: Fix jiffies wrap behavior of round_jiffies_common()
  ...
2013-07-06 14:09:38 -07:00
Linus Walleij 1eb92b24e2 ARM: integrator: let pciv3 use mem/premem from device tree
Instead of relying on the hard-coded mem/premem bases for
the PCI side, read in these from the device tree in the
DT probe path. Hard-code the old values on the non-DT probe
path. Introduce some static locals to hold these addresses
instead of the earlier static #defines.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-27 14:19:54 +02:00
Linus Walleij f55b2b56cd ARM: integrator: basic PCIv3 device tree support
This registers the memory ranges for I/O, non-prefetched and
prefetched memory and configuration space for the PCIv3 bridge
and let us fetch these basic memory resources from the device
tree in the device tree boot path. Remove the stepping stone
platform device. This is an either/or approach - the platform
data path is mutually exclusive to the plain platform data
path and provided addresses from the device tree have to be
correct.

This adds the interrupt-map property to the PCIv3 DTS file
and makes the bridge obtain mappings from the device tree.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-15 22:18:39 +02:00
Stephen Boyd 38ff87f77a sched_clock: Make ARM's sched_clock generic for all architectures
Nothing about the sched_clock implementation in the ARM port is
specific to the architecture. Generalize the code so that other
architectures can use it by selecting GENERIC_SCHED_CLOCK.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
[jstultz: Merge minor collisions with other patches in my tree]
Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-06-12 14:02:13 -07:00
Linus Walleij ae9daf2d00 ARM: integrator: move static ioremapping into PCIv3 driver
Try to make this driver self-contained by moving the ioremapping
into the driver.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-03 08:04:41 +02:00
Linus Walleij 01ef31053d ARM: integrator: move VGA base assignment
The global vga_base is used for things like getting an early
console on a PCI-based VGA adapter. Move this assignment into
the probe function for the PCI bridge.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-03 08:04:40 +02:00
Linus Walleij a5ecbab7d9 ARM: integrator: remap PCIv3 base dynamically
Remove the static mapping for the PCIv3 PCI bridge controller
and do this dynamically when probing instead.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-03 08:04:39 +02:00
Linus Walleij 207bcf4519 ARM: integrator: move V3 register definitions into driver
This moves the PCIv3 register definitions into the driver itself.
There is no other driver or board code including this file, nor
will there be. If some other platform needs this driver it should
be generalized to support several platforms.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-03 08:04:38 +02:00