Commit Graph

734 Commits

Author SHA1 Message Date
Paul Gortmaker 8bd26e3a7e arm: delete __cpuinit/__CPUINIT usage from all ARM users
The __cpuinit type of throwaway sections might have made sense
some time ago when RAM was more constrained, but now the savings
do not offset the cost and complications.  For example, the fix in
commit 5e427ec2d0 ("x86: Fix bit corruption at CPU resume time")
is a good example of the nasty type of bugs that can be created
with improper use of the various __init prefixes.

After a discussion on LKML[1] it was decided that cpuinit should go
the way of devinit and be phased out.  Once all the users are gone,
we can then finally remove the macros themselves from linux/init.h.

Note that some harmless section mismatch warnings may result, since
notify_cpu_starting() and cpu_up() are arch independent (kernel/cpu.c)
and are flagged as __cpuinit  -- so if we remove the __cpuinit from
the arch specific callers, we will also get section mismatch warnings.
As an intermediate step, we intend to turn the linux/init.h cpuinit
related content into no-ops as early as possible, since that will get
rid of these warnings.  In any case, they are temporary and harmless.

This removes all the ARM uses of the __cpuinit macros from C code,
and all __CPUINIT from assembly code.  It also had two ".previous"
section statements that were paired off against __CPUINIT
(aka .section ".cpuinit.text") that also get removed here.

[1] https://lkml.org/lkml/2013/5/20/589

Cc: Russell King <linux@arm.linux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2013-07-14 19:36:52 -04:00
Linus Torvalds 92295f632c The common clock framework changes for 3.11 include new clock drivers
across several different platforms and architectures, fixes to existing
 drivers, a MAINTAINERS file fix and improvements to the basic clock
 types that allow them to be of use to more platforms than before. Only a
 few fixes to the core framework are included with most all of the
 changes landing in the various clock drivers themselves.
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Merge tag 'clk-for-linus-3.11' of git://git.linaro.org/people/mturquette/linux

Pull clock framework updates from Mike Turquette:
 "The common clock framework changes for 3.11 include new clock drivers
  across several different platforms and architectures, fixes to
  existing drivers, a MAINTAINERS file fix and improvements to the basic
  clock types that allow them to be of use to more platforms than before.

  Only a few fixes to the core framework are included with most all of
  the changes landing in the various clock drivers themselves."

* tag 'clk-for-linus-3.11' of git://git.linaro.org/people/mturquette/linux: (55 commits)
  clk: tegra: fix ifdef for tegra_periph_reset_assert inline
  clk: tegra: provide tegra_periph_reset_assert alternative
  clk: exynos4: Fix clock aliases for cpufreq related clocks
  clk: samsung: Add MUX_FA macro to pass flag and alias
  clk: add support for Rockchip gate clocks
  clk: vexpress: Make the clock drivers directly available for arm64
  clk: vexpress: Use full node name to identify individual clocks
  clk: tegra: T114: add DFLL DVCO reset control
  clk: tegra: T114: add DFLL source clocks
  clk: tegra: T114: add FCPU clock shaper programming, needed by the DFLL
  clk: gate: add CLK_GATE_HIWORD_MASK
  clk: divider: add CLK_DIVIDER_HIWORD_MASK flag
  clk: mux: add CLK_MUX_HIWORD_MASK
  clk: Always notify whole subtree when reparenting
  MAINTAINERS: make drivers/clk entry match subdirs
  clk: honor CLK_GET_RATE_NOCACHE in clk_set_rate
  clk: use clk_get_rate() for debugfs
  clk: tegra: Use override bits when needed
  clk: tegra: override bits for Tegra30 PLLM
  clk: tegra: override bits for Tegra114 PLLM
  ...
2013-07-03 11:54:50 -07:00
Linus Torvalds 42daabf62b ARM SoC late changes
These are changes that arrived a little late before the merge
 window or that have multiple dependencies on previous branches
 so they did not fit into one of the earlier ones. There
 are 10 branches merged here, a total of 39 non-merge commits.
 Contents are a mixed bag for the above reasons:
 
 * Two new SoC platforms: ST microelectronics stixxxx and
   the TI 'Nspire' graphing calculator. These should have
   been in the 'soc' branch but were a little late
 * Support for the Exynos 5420 variant in mach-exynos,
   which is based on the other exynos branches to avoid
   conflicts.
 * Various small changes for sh-mobile, ux500 and davinci
 * Common clk support for MSM
 
 Conflicts:
 * In Kconfig.debug, various additions trivially conflict,
   the list should be kept in alphabetical order when
   resolving.
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Merge tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late changes from Arnd Bergmann:
 "These are changes that arrived a little late before the merge window
  or that have multiple dependencies on previous branches so they did
  not fit into one of the earlier ones.  There are 10 branches merged
  here, a total of 39 non-merge commits.  Contents are a mixed bag for
  the above reasons:

   * Two new SoC platforms: ST microelectronics stixxxx and the TI
     'Nspire' graphing calculator.  These should have been in the 'soc'
     branch but were a little late
   * Support for the Exynos 5420 variant in mach-exynos, which is based
     on the other exynos branches to avoid conflicts.
   * Various small changes for sh-mobile, ux500 and davinci
   * Common clk support for MSM"

* tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
  ARM: ux500: bail out on alien cpus
  ARM: davinci: da850: adopt to pinctrl-single change for configuring multiple pins
  serial: sh-sci: Initialise variables before access in sci_set_termios()
  ARM: stih41x: Add B2020 board support
  ARM: stih41x: Add B2000 board support
  ARM: sti: Add DEBUG_LL console support
  ARM: sti: Add STiH416 SOC support
  ARM: sti: Add STiH415 SOC support
  ARM: msm: Migrate to common clock framework
  ARM: msm: Make proc_comm clock control into a platform driver
  ARM: msm: Prepare clk_get() users in mach-msm for clock-pcom driver
  ARM: msm: Remove clock-7x30.h include file
  ARM: msm: Remove custom clk_set_{max,min}_rate() API
  ARM: msm: Remove custom clk_set_flags() API
  msm: iommu: Use clk_set_rate() instead of clk_set_min_rate()
  msm: iommu: Convert to clk_prepare/unprepare
  msm_sdcc: Convert to clk_prepare/unprepare
  usb: otg: msm: Convert to clk_prepare/unprepare
  msm_serial: Use devm_clk_get() and properly return errors
  msm_serial: Convert to clk_prepare/unprepare
  ...
2013-07-02 14:42:51 -07:00
Linus Torvalds 0bf6a210a4 ARM SoC driver specific changes
These changes are all driver specific and cross over between arm-soc
 contents and some other subsystem, in these cases cpufreq, crypto,
 dma, pinctrl, mailbox and usb, and the subsystem owners agreed to
 have these changes merged through arm-soc. As we proceed to untangle
 the dependencies between platform code and driver code, the amount of
 changes in this category is fortunately shrinking, for 3.11 we have
 16 branches here and 101 non-merge changesets, the majority of which
 are for the stedma40 dma engine driver used in the ux500 platform.
 Cleaning up that code touches multiple subsystems, but gets rid
 of the dependency in the end.
 
 The mailbox code moved out from mach-omap2 to drivers/mailbox
 is an intermediate step and is still omap specific at the moment.
 Patches exist to generalize the subsystem and add other drivers
 with the same API, but those did not make it for 3.11.
 
 Conflicts:
 * In cpu-db8500.c results from the removal of the u8500_of_init_devices
   function in combination with the split of u8500_auxdata_lookup.
 
 * In arch/arm/mach-omap2/devices.c, the includes got reshuffled.
   we need to keep linux/wl12xx.h and linux/platform_data/mailbox-omap.h.
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver specific changes from Arnd Bergmann:
 "These changes are all driver specific and cross over between arm-soc
  contents and some other subsystem, in these cases cpufreq, crypto,
  dma, pinctrl, mailbox and usb, and the subsystem owners agreed to have
  these changes merged through arm-soc.

  As we proceed to untangle the dependencies between platform code and
  driver code, the amount of changes in this category is fortunately
  shrinking, for 3.11 we have 16 branches here and 101 non-merge
  changesets, the majority of which are for the stedma40 dma engine
  driver used in the ux500 platform.  Cleaning up that code touches
  multiple subsystems, but gets rid of the dependency in the end.

  The mailbox code moved out from mach-omap2 to drivers/mailbox is an
  intermediate step and is still omap specific at the moment.  Patches
  exist to generalize the subsystem and add other drivers with the same
  API, but those did not make it for 3.11."

* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (101 commits)
  crypto: ux500: use dmaengine_submit API
  crypto: ux500: use dmaengine_prep_slave_sg API
  crypto: ux500: use dmaengine_device_control API
  crypto: ux500/crypt: add missing __iomem qualifiers
  crypto: ux500/hash: add missing static qualifiers
  crypto: ux500/hash: use readl on iomem addresses
  dmaengine: ste_dma40: Declare memcpy config as static
  ARM: ux500: Remove mop500_snowball_ethernet_clock_enable()
  ARM: ux500: Correct the EN_3v3 regulator's on/off GPIO
  ARM: ux500: Provide a AB8500 GPIO Device Tree node
  gpio: rcar: fix gpio_rcar_of_table
  gpio-rcar: Remove #ifdef CONFIG_OF around OF-specific sections
  gpio-rcar: Reference core gpio documentation in the DT bindings
  clk: exynos5250: Add enum entries for divider clock of i2s1 and i2s2
  ARM: dts: Update Samsung I2S documentation
  ARM: dts: add clock provider information for i2s controllers in Exynos5250
  ARM: dts: add Exynos audio subsystem clock controller node
  clk: samsung: register audio subsystem clocks using common clock framework
  ARM: dts: use #include for all device trees for Samsung
  pinctrl: s3c24xx: use correct header for chained_irq functions
  ...
2013-07-02 14:33:21 -07:00
Linus Torvalds ee1a8d402e ARM SoC device tree changes
These changes from 30 individual branches for the most part update device
 tree files, but there are also a few source code changes that have crept
 in this time, usually in order to atomically move over a driver from
 using hardcoded data to DT probing.
 
 A number of platforms change their DT files to use the C preprocessor,
 which is causing a bit of churn, but that is hopefully only this once.
 
 There are a few conflicts with the other branches unfortunately:
 
 * in exynos5440.dtsi and kirkwood-6281.dtsi, device nodes are added
   from multiple branches. Need to be careful to have the right
   set of closing braces as git gets this one wrong.
 
 * In kirkwood.dtsi, one 'ranges' line got split into two lines, while
   another line got added. Order of the lines does not matter.
 
 * in sama5d3.dtsi, some cleanup was merged the wrong way, causing
   a bogus conflict. We want the 'dmas' and 'dma-names' properties
   to get added here.
 
 * Two lines got removed independently in arch/arm/mach-mxs/mach-mxs.c
 
 * Contents get added independently in arch/arm/mach-omap2/cclock33xx_data.c
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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 device tree changes from Arnd Bergmann:
 "These changes from 30 individual branches for the most part update
  device tree files, but there are also a few source code changes that
  have crept in this time, usually in order to atomically move over a
  driver from using hardcoded data to DT probing.

  A number of platforms change their DT files to use the C preprocessor,
  which is causing a bit of churn, but that is hopefully only this once"

* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (372 commits)
  ARM: at91: dt: rm9200ek: add spi support
  ARM: at91: dt: rm9200: add spi support
  ARM: at91/DT: at91sam9n12: add SPI DMA client infos
  ARM: at91/DT: sama5d3: add SPI DMA client infos
  ARM: at91/DT: fix SPI compatibility string
  ARM: Kirkwood: Fix the internal register ranges translation
  ARM: dts: bcm281xx: change comment to C89 style
  ARM: mmc: bcm281xx SDHCI driver (dt mods)
  ARM: nomadik: add the new clocks to the device tree
  clk: nomadik: implement the Nomadik clocks properly
  ARM: dts: omap5-uevm: Provide USB Host PHY clock frequency
  ARM: dts: omap4-panda: Fix DVI EDID reads
  ARM: dts: omap4-panda: Add USB Host support
  arm: mvebu: enable mini-PCIe connectors on Armada 370 RD
  ARM: shmobile: irqpin: add a DT property to enable masking on parent
  ARM: dts: AM43x EPOS EVM support
  ARM: dts: OMAP5: Add bandgap DT entry
  ARM: dts: AM33XX: Add pinmux configuration for CPSW to am335x EVM
  ARM: dts: AM33XX: Add pinmux configuration for CPSW to EVMsk
  ARM: dts: AM33XX: Add pinmux configuration for CPSW to beaglebone
  ...
2013-07-02 14:23:01 -07:00
Linus Walleij 31c72abbca ARM: ux500: bail out on alien cpus
This makes the l2x0 initialization fail gracefully on non-ux500
systems.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-27 15:00:56 +02:00
Arnd Bergmann d925ef4386 Merge branch 'ux500/cleanup' into next/drivers
Patches from Lee Jones:

This gets rid of  mop500_snowball_ethernet_clock_enable() which is no
longer in use. It also straightens out a bug which ensures the SMSC911x's
regulator is turned on at start-up when using Device Tree.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-21 14:48:58 +02:00
Lee Jones b6f5f4a593 ARM: ux500: Remove mop500_snowball_ethernet_clock_enable()
mop500_snowball_ethernet_clock_enable() provided a means to enable a
clock which was used for the SMSC911x Ethernet device on Snowball. It
was merely a stand-in until the driver was common clk compliant. Now
that it is, this can be removed for both DT and ATAGs booting.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-21 14:48:39 +02:00
Arnd Bergmann b31a76546c Minor board changes for v3.11 merge window. These are
tapering down finally as we're getting closer to making
 omap2+ DT only.
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Merge tag 'omap-for-v3.11/board-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards

From Tony Lindgren:

Minor board changes for v3.11 merge window. These are
tapering down finally as we're getting closer to making
omap2+ DT only.

* tag 'omap-for-v3.11/board-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: omap2plus_defconfig: enable USB_PHY and NOP_USB_XCEIV
  ARM: OMAP1: nokia770: enable Tahvo
  ARM: OMAP3EVM: Marking omap3_evm_display_init() with CONFIG_BROKEN
  arm: omap: board-overo: reset GPIO for SMSC911x

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-20 21:37:55 +02:00
Olof Johansson e1e16a4e76 ARM: ux500: board-mop500: remove unused pin modes
Removes the following warnings:

arch/arm/mach-ux500/board-mop500-pins.c:51:6: warning: 'slpm_in_nopull_wkup' defined but not used [-Wunused-variable]
arch/arm/mach-ux500/board-mop500-pins.c:63:6: warning: 'slpm_out_lo_wkup' defined but not used [-Wunused-variable]

Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Linus Walleij <linux.walleij@linaro.org>
2013-06-14 17:15:34 -07:00
Olof Johansson 9440bd2342 Device tree patches for ux500, basically trees and auxdata:
- Fix for the thermal node to be contained in the PRCMU node
 - Add the DTS and auxdata needed to boot the U8540 platform
 - Various regulators added and renamed
 - Rename base SoC node
 - A bunch of DMA patches adding channels for DT boots
 - A bunch of crypto+hash patches adding config for DT boots
 - A bunch of patches fixing the ALSA SoC support to work
 - Register the LP5521 LEDs
 - Fix a number of typos and naming errors
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Merge tag 'ux500-dt-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/dt

From Linus Walleij:
Device tree patches for ux500, basically trees and auxdata:
- Fix for the thermal node to be contained in the PRCMU node
- Add the DTS and auxdata needed to boot the U8540 platform
- Various regulators added and renamed
- Rename base SoC node
- A bunch of DMA patches adding channels for DT boots
- A bunch of crypto+hash patches adding config for DT boots
- A bunch of patches fixing the ALSA SoC support to work
- Register the LP5521 LEDs
- Fix a number of typos and naming errors

* tag 'ux500-dt-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: (39 commits)
  ARM: ux500: drop any 0x prefix from I2C DT devices
  ARM: ux500: Allocate correct amount of memory for the u8540 in DT
  ARM: ux500: Provide auxdata to ux500 ASoC driver
  ARM: ux500: Add DT regulators for ab8500-codec
  ARM: ux500: Correct anamic2 typo in DT files
  ARM: ux500: Fix trivial typo in v-anamic1 comment
  ARM: ux500: Reduce PRCMU reg-names to shorter form for u8540 DT
  ARM: ux500: Add an auxdata entry for MUSB for clock-name look-up
  ARM: ux500: cut chip-select GPIOs from SSP device
  ARM: ux500: use symbolic names for interrupt flags
  ARM: ux500: use #include syntax to include *.dtsi.
  ARM: ux500: bump MMC/SD max frequency for DT boots
  ARM: ux500: Apply other compatible name to the u8540 DTS file
  pinctrl/nomadik: Standardise Pinctrl compat string for DBx5x based platforms
  ARM: ux500: Standardise Pinctrl compatible string for DBx5x based platforms
  ARM: ux500: Standardise DBx5x0 based Pinctrl compat string in the DTS
  crypto: ux500/hash - Enable DT probing of the driver
  crypto: ux500/cryp - Enable DT probing of the driver
  ARM: ux500: enable the crypto and hash on all dbx500
  ARM: ux500: Provide an AUXDATA entry for ux500-hash
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-14 16:54:27 -07:00
Olof Johansson 2c3165ebb6 Second set of DMA40 changes: refactorings and device tree
support for the DMA40. Now with MUSB and some platform
 data removal.
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Merge tag 'ux500-dma40-for-arm-soc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/drivers

From Linus Walleij:
Second set of DMA40 changes: refactorings and device tree
support for the DMA40. Now with MUSB and some platform
data removal.

* tag 'ux500-dma40-for-arm-soc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  dmaengine: ste_dma40: Fetch disabled channels from DT
  dmaengine: ste_dma40: Fetch the number of physical channels from DT
  ARM: ux500: Stop passing DMA platform data though AUXDATA
  dmaengine: ste_dma40: Allow memcpy channels to be configured from DT
  dmaengine: ste_dma40_ll: Replace meaningless register set with comment
  dmaengine: ste_dma40: Convert data_width from register bit format to value
  dmaengine: ste_dma40_ll: Use the BIT macro to replace ugly '(1 << x)'s
  ARM: ux500: Remove recently unused stedma40_xfer_dir enums
  dmaengine: ste_dma40: Replace ST-E's home-brew DMA direction defs with generic ones
  ARM: ux500: Replace ST-E's home-brew DMA direction definition with the generic one
  dmaengine: ste_dma40: Use the BIT macro to replace ugly '(1 << x)'s
  ARM: ux500: Remove empty function u8500_of_init_devices()
  ARM: ux500: Remove ux500-musb platform registation when booting with DT
  usb: musb: ux500: add device tree probing support
  usb: musb: ux500: attempt to find channels by name before using pdata
  usb: musb: ux500: harden checks for platform data
  usb: musb: ux500: take the dma_mask from coherent_dma_mask
  usb: musb: ux500: move the MUSB HDRC configuration into the driver
  usb: musb: ux500: move channel number knowledge into the driver
2013-06-14 16:53:54 -07:00
Olof Johansson c4e6be1bc8 Ux500 pinctrl changes:
- Updates to MSP pinctrl entry for ALSA SoC
 - ABx500 pinctrl tables
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Merge tag 'ux500-pinctrl-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/boards

From Linus Walleij:
Ux500 pinctrl changes:
- Updates to MSP pinctrl entry for ALSA SoC
- ABx500 pinctrl tables

* tag 'ux500-pinctrl-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: add ABx500 pinctrl tables
  ARM: ux500: update MSP1 pinctrl defintions

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-14 16:52:10 -07:00
Olof Johansson ff299f1b1c update driver for s3c24xx
- move cpufreq driver into drivers/
 - add pinctrl-s3c24xx driver
 - cleanup OF in gpio driver
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Merge tag 's3c24xx-driver-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers

From Kukjin Kim, driver updats for s3c24xx:
- move cpufreq driver into drivers/
- add pinctrl-s3c24xx driver
- cleanup OF in gpio driver

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-12 16:50:10 -07:00
Philippe Begnic 1237e598a9 clk: ux500: Pass clock base adresses in initcall for u8540 and u9540
Align on u8500 version, pass clock base address in clk_init functions
for u8540 and u9540.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Philippe Begnic <philippe.begnic@st.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2013-06-06 18:16:04 -07:00
Arnd Bergmann 080e0435e5 ARM: ux500: avoid warning in ux500_read_asicid
phys_addr_t may be 64 bit, which causes this harmless warning
in ux500_read_asicid:

arch/arm/mach-ux500/id.c: In function 'ux500_read_asicid':
arch/arm/include/asm/io.h:159:19: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 #define IOMEM(x) ((void __force __iomem *)(x))
                   ^
arch/arm/mach-ux500/id.c:40:9: note: in expansion of macro 'readl'
  return readl(IOMEM(UX500_VIRT_ROM + (addr & 0xfff)));

We can solve this in a nicer way by making UX500_VIRT_ROM have a proper
type to start with and calculating the address using pointer arithmetic.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-04 11:21:58 +02:00
Lee Jones 0117f7c7a3 ARM: ux500: Stop passing DMA platform data though AUXDATA
The DMA platform data is now empty due to some recent refactoring,
so there is no longer a requirement to pass it though.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-04 11:12:11 +02:00
Lee Jones 98b68ab5ce ARM: ux500: Replace ST-E's home-brew DMA direction definition with the generic one
STEDMA40_*_TO_* direction definitions are identical in all but name to
the pre-defined generic DMA_*_TO_* ones. Let's make things easy by not
duplicating such things.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-04 11:12:07 +02:00
Lee Jones 1e74043a29 ARM: ux500: Remove empty function u8500_of_init_devices()
As promised, now all devices which resided in u8500_of_init_devices()
have been enabled for Device Tree, we can completely remove it.

Acked-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-04 11:12:06 +02:00
Lee Jones d4999b19d9 ARM: ux500: Remove ux500-musb platform registation when booting with DT
Now the ux500-musb driver has been enabled for Device Tree, there is no
requirement to register it from platform code.

Acked-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-04 11:12:05 +02:00
Lee Jones 1e6eebb4e9 usb: musb: ux500: take the dma_mask from coherent_dma_mask
The dma_mask will always be the same as the coherent_dma_mask, so let's
cut down on the platform_data burden and set it as such in the driver.
This also saves us from supporting it separately when we come to enable
this driver for Device Tree.

Cc: linux-usb@vger.kernel.org
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-04 11:12:03 +02:00
Lee Jones a20b1b791e usb: musb: ux500: move the MUSB HDRC configuration into the driver
The MUSB HDRC configuration never changes between each of the ux500
supported platforms, so there's little point passing it though platform
data. If we set it in the driver instead, we can make good use of it
when booting with either ATAGs or Device Tree.

Cc: linux-usb@vger.kernel.org
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-04 11:12:03 +02:00
Lee Jones be2dbb09a0 usb: musb: ux500: move channel number knowledge into the driver
For all ux500 based platforms the maximum number of end-points are used.
Move this knowledge into the driver so we can relinquish the burden from
platform data. This also removes quite a bit of complexity from the driver
and will aid us when we come to enable the driver for Device Tree.

Cc: linux-usb@vger.kernel.org
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-04 11:12:02 +02:00
Fabio Baltieri ef95f7ff0f ARM: ux500: Provide auxdata to ux500 ASoC driver
Ux500 ASoC driver is expected to have a specific device name to get
clock resources correctly.  This patch provides the necessary
OF_DEV_AUXDATA to match the name in DT and non-DT cases.

Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-04 11:07:14 +02:00
Patrice Chotard 8258b187c2 ARM: ux500: add ABx500 pinctrl tables
This adds pin control tables for the ABx500 (AB8500 and
AB8505) PMIC, which also happens to act as a multimedia
pin expander on the ux500 platforms.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-31 16:30:38 +02:00
Lee Jones df790f587b ARM: ux500: Add an auxdata entry for MUSB for clock-name look-up
The recently DT:ed MUSB driver will require clock-name by device-name
look-up capability, until common clk has is properly supported by the
ux500 platform.

Acked-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-30 10:42:00 +02:00
Olof Johansson 6f39ef575d This is a set of patches from Lee Jones to start converting
the ux500 to fetch DMA channels from the device tree:
 - Full DT support and channel mapping in the DMA40 driver
 - Dropping of platform data for migrated devices on the DT
   boot path.
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Merge tag 'ux500-dma40-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/drivers

From Linus Walleij:
This is a set of patches from Lee Jones to start converting
the ux500 to fetch DMA channels from the device tree:
- Full DT support and channel mapping in the DMA40 driver
- Dropping of platform data for migrated devices on the DT
  boot path.

* tag 'ux500-dma40-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: (36 commits)
  ARM: ux500: Register Cryp and Hash platform drivers on Snowball
  crypto: ux500/[cryp|hash] - Show successful start-up in the bootlog
  ARM: ux500: Stop passing Cryp DMA channel config information though pdata
  crypto: ux500/cryp - Set DMA configuration though dma_slave_config()
  crypto: ux500/cryp - Prepare clock before enabling it
  ARM: ux500: Stop passing Hash DMA channel config information though pdata
  crypto: ux500/hash - Set DMA configuration though dma_slave_config()
  crypto: ux500/hash - Prepare clock before enabling it
  ARM: ux500: Remove unnecessary attributes from DMA channel request pdata
  dmaengine: ste_dma40: Correct copy/paste error
  ARM: ux500: Remove DMA address look-up table
  dmaengine: ste_dma40: Remove redundant address fetching function
  dmaengine: ste_dma40: Only use addresses passed as configuration information
  ARM: ux500: Stop passing UART's platform data for Device Tree boots
  dmaengine: ste_dma40: Don't configure runtime configurable setup during allocate
  dmaengine: ste_dma40: Remove unnecessary call to d40_phy_cfg()
  dmaengine: ste_dma40: Separate Logical Global Interrupt Mask (GIM) unmasking
  ARM: ux500: Pass remnant platform data though to DMA40 driver
  dmaengine: ste_dma40: Supply full Device Tree parsing support
  dmaengine: ste_dma40: Allow driver to be probe()able when DT is enabled
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-27 20:10:04 -07:00
Fabio Baltieri af86e10cdd ARM: ux500: update MSP1 pinctrl defintions
Update MSP1 pinctrl definitions in mop500_family_pinmap by removing
sleep state and setting default ones as pin hogs, as those are used by
both ux500-msp-i2s.1 and ux500-msp-i2s.3.

Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:08:29 +02:00
Lee Jones 67b7c75e1a ARM: ux500: Provide supplies for AUX1, AUX2 and AUX3
This patch fixes a bug introduced in the v3.10 merge window.

The AB8500 External Regulator driver has recently landed upstream,
which registers each of the 3 external regulators located on the
AB8500. If these regulators are marked as 'always on', there is a
potential for power-loss. If they're not and are seemingly unused
the Regulator subsystem will attempt to disable them to save power.
This causes an issue for AUX1, AUX2 and AUX3 as they obtain their
power from EXT3. So we're specifying that here to prevent EXT3 from
being powered down.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:08:20 +02:00
Lee Jones 2c06897e45 ARM: ux500: Only configure wake-up reasons on ux500 based platforms
Multiplatform calls all enabled platforms' initcalls. In the
ux500_idle_init() initcall we call into the DBx500-PRCMU which in turn
executes some ux500 specific register reads/writes. When running on
some !ux500 platforms this ends up causing a kernel Oops. This patch
ensures the PRCMU call is only invoked when running on ux500 based
platforms.

Reported-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:08:20 +02:00
Lee Jones 79d1d62c95 ARM: ux500: Standardise Pinctrl compatible string for DBx5x based platforms
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:07:59 +02:00
Lee Jones f016d440e6 ARM: ux500: Provide an AUXDATA entry for ux500-hash
This provides a device name which is required by the common clk API.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:07:58 +02:00
Lee Jones 946cc7dd7d ARM: ux500: Provide an AUXDATA entry for ux500-crypt
This provides a device name which is required by the common clk API.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
[Edited patch subject]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:07:57 +02:00
Lee Jones c21a43b775 ARM: ux500: Create a new of_dev_auxdata structure for u8540 enablement
If we attempt to use the existing u8500 of_dev_auxdata struct to boot
the u8540, we fail to obtain a console, due to a lack of DMA support
on the platform.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:07:11 +02:00
Lee Jones 19d3234124 ARM: ux500: regulators: Remove misleading comment
This patch removes a comment which explains that the ab8505 platform
uses the same initialisation settings as the ab8500. Well when this
changed and the ab8505 started using its own set of initialisation
values, someone forgot to remove it.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:06:50 +02:00
Ulf Hansson 714c0b00c9 ARM: ux500: Enable support for UHS-I SD-cards
By setting the host capabilities MMC_CAP_UHS_SDR12|25 for
the SD card device we enable support for UHS cards. The
supported mode is SDR12 and SDR25.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:06:50 +02:00
Ulf Hansson a7de8b30ca ARM: ux500: Set eMMC and WLAN card slot as non-removable
For several reasons, the mmc protocol layer expects devices
being non-removable to use MMC_CAP_NONREMOVABLE, so then we
adapt to this expectation.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:06:50 +02:00
Ulf Hansson fd1cc1b9d3 ARM: ux500: Enable support for discard for MMC/SD
By enabling MMC_CAP_ERASE for the SD/MMC devices the mmc block
layer will now act on DISCARD requests.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:06:50 +02:00
Ulf Hansson a2be776dcc ARM: ux500: Enable support for RPMB and Reliable Write for eMMC
By adding MMC_CAP_CMD23 for the eMMC devices, we can support RPMB
and Reliable Write. Additionally it will mean CMD12 will not be sent
to end a successful data transfer.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:06:50 +02:00
Ulf Hansson 4fa0614f40 ARM: ux500: Don't set plf ocr mask for SD/MMC device
The mmci host driver overrides platform ocr mask when a vmmc regulator
can be used. This is the case for sdi0(SD-card) and for sdi4(eMMC).
Thus it is pointless of specifing these mask and why we do remove them.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:06:50 +02:00
Ulf Hansson b6ff56a4ac ARM: ux500: Enable 100MHz for SD/SDIO/MMC devices
We are able to cope with an SDMMC clock of 100MHz so let's
make use of the full frequency instead of the half.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:06:50 +02:00
Lee Jones 039ec0b8dc ARM: ux500: Remove incorrect DB9540 PRCMU TCDM base location
The Tightly Coupled Data Memory for the DB9540 is actually in the
same place as the DB8500's. This definition is just plain wrong.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:06:50 +02:00
Lee Jones 5dc60e0528 ARM: ux500: Increase the size of the PRCMU's TCPM size
The Tightly Coupled Program Memory location is actually 32kB in
size, rather than the originally depicted 4kB.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-27 14:06:49 +02:00
Lee Jones 95e4bf9852 ARM: ux500: Register Cryp and Hash platform drivers on Snowball
These drivers are now operational and even use the latest common clk
and DMA APIs. There's no reason why we shouldn't start them up now.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-23 21:14:25 +02:00
Lee Jones 75dc6893f5 ARM: ux500: Stop passing Cryp DMA channel config information though pdata
DMA channel configuration information should be setup in the driver.
The Ux500 Cryp driver now does this, so there's no need to send it
though here too.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-23 21:14:20 +02:00
Lee Jones 4db17745c2 ARM: ux500: Stop passing Hash DMA channel config information though pdata
DMA channel configuration information should be setup in the driver.
The Ux500 Hash driver now does this, so there's no need to send it
though here too.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-23 21:14:11 +02:00
Lee Jones 50511449dd ARM: ux500: Remove unnecessary attributes from DMA channel request pdata
DMA data width and packet size information is only required at channel
configuration time. Any information passed from platform data is passed
directly to the DMA40 driver to use during channel allocation, but these
pieces of information are subsequently ignored by the driver, so we may
as well remove them.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-23 21:13:57 +02:00
Lee Jones 9c3c95147c ARM: ux500: Remove DMA address look-up table
DMA addresses are now passed as part of the dmaengine API by invoking
dmaengine_slave_config(). So there's no requirement for the DMA40
driver to look them up in a table provided by platform data. This
method does not fit in well using Device Tree either.

Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-23 21:13:37 +02:00
Lee Jones b722487507 ARM: ux500: Stop passing UART's platform data for Device Tree boots
It was required to pass DMA channel configuration information to the
UART driver before the new DMA API was in place. Now that it is, and
is fully compatible with Device Tree we can stop doing that.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-23 21:13:25 +02:00
Lee Jones 252f27b0f2 ARM: ux500: Pass remnant platform data though to DMA40 driver
Ironically, in order to remove lots of the auxdata assignments, we have
to add just one more. A lot of them require DMA information to be passed
into clients for DMA channel allocation, but we now have this capability
in Device Tree. However, the DMA40 driver still relies on a reverse table
look-up to obtain DMA addresses. Until all of the clients are converted,
over to the new API, we're stuck with this.

Also, now the DMA40 has been DT:ed, there's no requirement to register
it using traditional methods, so let's remove it.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-05-23 21:13:12 +02:00