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Calling omap_dm_timer_prepare while the spinlock is held is not
allowed as sleeping functions are called later on during the
preparation (namely within clk_get()).
dm_timer_lock is only required for protecting the
omap_timer_list. After the timer is marked as reserved, the lock is no
longer needed and should be freed.
Signed-off-by: Timo Kokkonen <timo.t.kokkonen@iki.fi>
Cc: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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AM33XX device falls under omap2 class, so make cpu_class_is_omap2()
macro true by adding soc_is_am33xx() to existing list of cpu/soc
check.
This is required to unblock the basic boot support on AM335x platform.
Having done that, we still need to sort out properly from
common zImage point of view without having to maintain this
cpu/soc_is_xxx list.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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When only ARCH_OMAP3 (or -2,-4,...) and SOC_AM33XX are selected, multi.h
doesn't set MULTI_OMAP2. In this case, cpu.h will simply define
cpu_is_omap24xx() as 1.
This causes problems for example for omap_hwmod.c:omap_hwmod_init which
checks for cpu_is_omap24xx() first, using the wrong soc_ops for AM33xx.
Fix this by defining MULTI_OMAP2 when using SOC_AM33XX together with
something else.
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Calling the dmtimer function omap_dm_timer_set_source() fails if following a
call to pm_runtime_put() to disable the timer. For example the following
sequence would fail to set the parent clock ...
omap_dm_timer_stop(gptimer);
omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_32_KHZ);
The following error message would be seen ...
omap_dm_timer_set_source: failed to set timer_32k_ck as parent
The problem is that, by design, pm_runtime_put() simply decrements the usage
count and returns before the timer has actually been disabled. Therefore,
setting the parent clock failed because the timer was still active when the
trying to set the parent clock. Setting a parent clock will fail if the clock
you are setting the parent of has a non-zero usage count. To ensure that this
does not fail use pm_runtime_put_sync() when disabling the timer.
Note that this will not be seen on OMAP1 devices, because these devices do
not use the clock framework for dmtimers.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
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There is not point in having arch_id as parameter of __arch_decomp_setup(),
nothing in it uses arch_id. The machine id is already exported (and used)
with symbol __machine_arch_type as per mach-types.h.
Removing the pointless macro as well.
Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Pull ARM DMA engine updates from Russell King:
"This looks scary at first glance, but what it is is:
- a rework of the sa11x0 DMA engine driver merged during the previous
cycle, to extract a common set of helper functions for DMA engine
implementations.
- conversion of amba-pl08x.c to use these helper functions.
- addition of OMAP DMA engine driver (using these helper functions),
and conversion of some of the OMAP DMA users to use DMA engine.
Nothing in the helper functions is ARM specific, so I hope that other
implementations can consolidate some of their code by making use of
these helpers.
This has been sitting in linux-next most of the merge cycle, and has
been tested by several OMAP folk. I've tested it on sa11x0 platforms,
and given it my best shot on my broken platforms which have the
amba-pl08x controller.
The last point is the addition to feature-removal-schedule.txt, which
will have a merge conflict. Between myself and TI, we're planning to
remove the old TI DMA implementation next year."
Fix up trivial add/add conflicts in Documentation/feature-removal-schedule.txt
and drivers/dma/{Kconfig,Makefile}
* 'dmaengine' of git://git.linaro.org/people/rmk/linux-arm: (53 commits)
ARM: 7481/1: OMAP2+: omap2plus_defconfig: enable OMAP DMA engine
ARM: 7464/1: mmc: omap_hsmmc: ensure probe returns error if DMA channel request fails
Add feature removal of old OMAP private DMA implementation
mtd: omap2: remove private DMA API implementation
mtd: omap2: add DMA engine support
spi: omap2-mcspi: remove private DMA API implementation
spi: omap2-mcspi: add DMA engine support
ARM: omap: remove mmc platform data dma_mask and initialization
mmc: omap: remove private DMA API implementation
mmc: omap: add DMA engine support
mmc: omap_hsmmc: remove private DMA API implementation
mmc: omap_hsmmc: add DMA engine support
dmaengine: omap: add support for cyclic DMA
dmaengine: omap: add support for setting fi
dmaengine: omap: add support for returning residue in tx_state method
dmaengine: add OMAP DMA engine driver
dmaengine: sa11x0-dma: add cyclic DMA support
dmaengine: sa11x0-dma: fix DMA residue support
dmaengine: PL08x: ensure all descriptors are freed when channel is released
dmaengine: PL08x: get rid of write only pool_ctr and free_txd locking
...
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DMAengine uses the DMA engine device structure when mapping/unmapping
memory for DMA, so the MMC devices do not need their DMA masks
initialized (this reflects hardware: the MMC device is not the device
doing DMA.)
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Pull arm-soc clk changes from Arnd Bergmann:
"Clock support is moving to the clk subsystem. These tegra, omap and
imx changes are for code that is still platform specific and not (yet)
part of that subsystem."
Fix up conflicts in arch/arm/mach-{imx/clk-imx51-imx53.c,omap2/Makefile}
* tag 'clk' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
ARM: imx: clk-imx31: Fix clock id for rnga driver
ARM: imx: add missing item to the list of clock event modes
ARM: i.MX5x CSPI: Fixed clock name for CSPI
ARM: i.MX5x clocks: Fix GPT clocks
ARM: i.MX5x clocks: Fix parent for PWM clocks
ARM: i.MX5x clocks: Add EPIT support
ARM: mx27: Reenable silicon version print
ARM: clk-imx27: Fix rtc clock id
ARM: tegra: Provide clock for only one PWM controller
ARM: tegra: Fix PWM clock programming
ARM: OMAP3+: clock33xx: Add AM33XX clock tree data
ARM: OMAP3+: clock: Move common clksel_rate & clock data to common file
ARM: tegra: dma: rename driver name for clock to "tegra-apbdma"
ARM: tegra: Remove second instance of uart clk
crypto: add clk_prepare/clk_unprepare
ASoC: tegra: add clk_prepare/clk_unprepare
staging: nvec: add clk_prepare/clk_unprepare
spi/tegra: add clk_prepare/clk_unprepare
Input: tegra-kbc - add clk_prepare/clk_unprepare
USB: ehci-tegra: add clk_prepare/clk_unprepare
...
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Pull arm-soc power management changes from Arnd Bergmann:
"These are various power management related changes, mainly concerning
cpuidle on i.MX and OMAP, as well as a the move of the omap
smartreflex driver to live in the power subsystem."
Fix up conflicts in arch/arm/mach-{imx/mach-imx6q.c,omap2/prm2xxx_3xxx.h}
* tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
ARM: OMAP2+: PM: fix IRQ_NOAUTOEN removal by mis-merge
ARM: OMAP2+: do not allow SmartReflex to be built as a module
ARM: OMAP2: Use hwmod to initialize mmc for 2420
ARM: OMAP3: PM: cpuidle: optimize the clkdm idle latency in C1 state
ARM: OMAP3: PM: cpuidle: optimize the PER latency in C1 state
ARM: OMAP3: PM: cpuidle: default to C1 in next_valid_state
ARM: OMAP3: PM: cleanup cam_pwrdm leftovers
ARM: OMAP3: PM: call pre/post transition per powerdomain
ARM: OMAP2+: powerdomain: allow pre/post transtion to be per pwrdm
ARM: OMAP3: PM: Remove IO Daisychain control from cpuidle
ARM: OMAP3PLUS: hwmod: reconfigure IO Daisychain during hwmod mux
ARM: OMAP3+: PRM: Enable IO wake up
ARM: OMAP4: PRM: Add IO Daisychain support
ARM: OMAP3: PM: Move IO Daisychain function to omap3 prm file
ARM: OMAP3: PM: correct enable/disable of daisy io chain
ARM: OMAP2+: PRM: fix compile for OMAP4-only build
W1: OMAP HDQ1W: use runtime PM
ARM: OMAP2+: HDQ1W: use omap_device
W1: OMAP HDQ1W: use 32-bit register accesses
W1: OMAP HDQ1W: allow driver to be built on all OMAP2+
...
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Pull support for three new arm SoC types from Arnd Bergmann:
- The mvebu platform includes Marvell's Armada XP and Armada 370 chips,
made by the mvebu business unit inside of Marvell. Since the same
group also made the older but similar platforms we call "orion5x",
"kirkwood", "mv78xx0" and "dove", we plan to move all of them into
the mach-mvebu directory in the future.
- socfpga is Altera's platform based on Cortex-A9 cores and a lot of
FPGA space. This is similar to the Xilinx zynq platform we already
support. The code is particularly clean, which is helped by the fact
that the hardware doesn't do much besides the parts that are expected
to get added in the FPGA.
- The OMAP subarchitecture gains support for the latest generation, the
OMAP5 based on the new Cortex-A15 core. Support is rather
rudimentary for now, but will be extended in the future.
* tag 'newsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (25 commits)
ARM: socfpga: initial support for Altera's SOCFPGA platform
arm: mvebu: generate DTBs for supported SoCs
ARM: mvebu: MPIC: read number of interrupts from control register
arm: mach-mvebu: add entry to MAINTAINERS
arm: mach-mvebu: add compilation/configuration change
arm: mach-mvebu: add defconfig
arm: mach-mvebu: add documentation for new device tree bindings
arm: mach-mvebu: add support for Armada 370 and Armada XP with DT
arm: mach-mvebu: add source files
arm: mach-mvebu: add header
clocksource: time-armada-370-xp: Marvell Armada 370/XP SoC timer driver
ARM: Kconfig update to support additional GPIOs in OMAP5
ARM: OMAP5: Add the build support
arm/dts: OMAP5: Add omap5 dts files
ARM: OMAP5: board-generic: Add device tree support
ARM: omap2+: board-generic: clean up the irq data from board file
ARM: OMAP5: Add SMP support
ARM: OMAP5: Add the WakeupGen IP updates
ARM: OMAP5: l3: Add l3 error handler support for omap5
ARM: OMAP5: gpmc: Update gpmc_init()
...
Conflicts:
Documentation/devicetree/bindings/arm/omap/omap.txt
arch/arm/mach-omap2/Makefile
drivers/clocksource/Kconfig
drivers/clocksource/Makefile
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc cleanups, part 2, from Arnd Bergmann:
"These omap cleanups have dependencies on earlier omap branches that in
turn depend on other cleanups, so they could not go into the same
branch."
* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: OMAP: sdrc: Fix the build break for OMAP4 only builds
ARM: OMAP2+: dmtimer: cleanup fclk usage
ARM: OMAP2+: Fix mismerge for omap_hwmod_get_main_clk() API
ARM: OMAP2+: Remove unnecessary ifdef around __omap2_set_globals
ARM: OMAP2+: am33xx: Change cpu_is_am33xx to soc_is_am33xx
ARM: OMAP2+: am33xx: Make am33xx as a separate class
ARM: OMAP2+: Move omap3 dpll ops to dpll3xxx.c
ARM: OMAP2+: All OMAP2PLUS uses omap-device.o target so add one entry
ARM: OMAP: dmtimer: use devm_ API and do some cleanup in probe()
ARM: OMAP2+: hwmod code: add support to set dmadisable in hwmod framework
ARM: OMAP2+: PRM/CM: Move the stubbed prm and cm functions to prcm.c file and make them __weak
ARM: OMAP2+: hwmod: add omap_hwmod_get_main_clk() API
ARM: OMAP3+: dpll: optimize noncore dpll locking logic
ARM: OMAP3: control: add definition for CONTROL_CAMERA_PHY_CTRL
ARM: OMAP2+: powerdomain code: Fix Wake-up power domain power status
ARM: OMAP4: clockdomain/CM code: Update supported transition modes
ARM: OMAP3/4: omap_hwmod: Add rstst_offs field to struct omap_hwmod_omap4_prcm
ARM: OMAP2+: hwmod: Add new sysc_type3 into omap_hwmod required for am33xx
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Pull arm-soc timer updates from Arnd Bergmann:
"This contains two branches dealing with timers, one for the picoxcell
platform that is now using DT with the platform-independent
dw_apb_timer driver. The other change is for the omap-specific
dmtimer driver."
* tag 'timer' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
clocksource: dw_apb_timer: Add common DTS glue for dw_apb_timer
ARM: OMAP2+: Simplify dmtimer clock aliases
ARM: OMAP2+: Move dmtimer clock set function to dmtimer driver
ARM: OMAP1: Fix dmtimer support
ARM: OMAP: Add flag to indicate if a timer needs a manual reset
ARM: OMAP: Remove timer function pointer for context loss counter
ARM: OMAP: Remove loses_context variable from timer platform data
ARM: OMAP2+: Fix external clock support for dmtimers
ARM: OMAP2+: HWMOD: Correct timer device attributes
ARM: OMAP: Add DMTIMER capability variable to represent timer features
ARM: OMAP2+: Add dmtimer platform function to reserve systimers
ARM: OMAP2+: Remove unused max number of timers definition
ARM: OMAP: Remove unnecessary clk structure
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Pull arm soc-specific updates from Arnd Bergmann:
"This is stuff that does not fit well into another category and in
particular is not related to a particular board. The largest part in
here is extending the am33xx support in the omap platform."
Fix up trivial conflicts in arch/arm/mach-{imx/mach-mx35_3ds.c, tegra/Makefile}
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits)
ARM: LPC32xx: Add PWM support
ARM: LPC32xx: Add PWM clock
ARM: LPC32xx: Set system serial based on cpu unique id
ARM: vexpress: Config option for early printk console
ARM: vexpress: Add Device Tree for V2P-CA15_CA7 core tile
ARM: vexpress: Convert V2P-CA15 Device Tree to 64 bit addresses
ARM: vexpress: Add fixed regulator for SMSC
ARM: vexpress: Add missing SP804 interrupt in motherboard's DTS files
ARM: vexpress: Initial common clock support
ARM: SAMSUNG: Introduce Kconfig variable for Samsung custom clk API
ARM: EXYNOS: Add missing static storage class specifier in pmu.c file
ARM: EXYNOS: Make combiner_init function static
ARM: EXYNOS: Update HSOTG PHY clock setting for EXYNOS4X12
ARM: versatile: Make plat-versatile clock optional
ARM: vexpress: Check master site in daughterboard's sysctl operations
ARM: vexpress: remove automatic errata workaround selection
ARM: LPC32xx: Adjust to pl08x DMA interface changes
ARM: EXYNOS: Clear SYS_WDTRESET bit to use watchdog reset
ARM: imx: fix mx51 ehci setup errors
ARM: imx: make ehci power/oc polarities configurable
...
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Pull general arm-soc cleanups from Arnd Bergmann:
"These are all boring changes, moving stuff around or renaming things
mostly, and also getting rid of stuff that is duplicate or should not
be there to start with. Platform-wise this is all over the place,
mainly omap, samsung, at91, imx and tegra."
Resolve trivial conflict in arch/arm/mach-omap2/clockdomains3xxx_data.c
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (67 commits)
ARM: clps711x: Remove the setting of the time
ARM: clps711x: Removed superfluous transform virt_to_bus and related functions
ARM: clps711x/p720t: Replace __initcall by .init_early call
ARM: S3C24XX: Remove unused GPIO definitions for Openmoko GTA02 board
ARM: S3C24XX: Remove unused GPIO definitions for port J
ARM: S3C24XX: Remove unused GPA, GPE, GPH bank GPIO aliases
ARM: S3C24XX: Convert the touchscreen setup code to common GPIO API
ARM: S3C24XX: Convert the PM code to gpiolib API
ARM: S3C24XX: Convert QT2410 board file to the gpiolib API
ARM: S3C24XX: Convert SMDK board file to the gpiolib API
ARM: S3C24XX: Free the backlight gpio requested in Mini2440 board code
ARM: imx: remove unused pdata from device macros
ARM: imx: Kconfig: Remove IMX_HAVE_PLATFORM_IMX_SSI from MACH_MX25_3DS
ARM: at91: fix new build errors
ARM: at91: add AIC5 support
ARM: at91: remove mach/irqs.h
ARM: at91: sparse irq support
ARM: at91: at91 based machines specify their own irq handler at run time
ARM: at91: remove static irq priorities for sam9x5
ARM: at91: add of irq priorities support
...
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Linux 3.5-rc6
Dependency for imx/soc changes
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/clk
From Tony Lindgren <tony@atomide.com>:
This branch adds clock data for am33xx. Note that eventually these
will use the common clock framework, but those patches are not quite
ready yet for omaps. This branch depends on omap-cleanup-part2-for-v3.6
branch.
* tag 'omap-devel-am33xx-data-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP3+: clock33xx: Add AM33XX clock tree data
ARM: OMAP3+: clock: Move common clksel_rate & clock data to common file
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Adding the build support required for OMAP5 soc
in to omap2+ config.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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OMAP5430 is Texas Instrument's SOC based on ARM Cortex-A15 SMP
architecture. It's a dual core SOC with GIC used for interrupt
handling and with an integrated L2 cache controller.
OMAP5432 is another variant of OMAP5430, with a
memory controller supporting DDR3 and SATA.
Patch includes:
- The machine specific headers and sources updates.
- Platform header updates.
- Minimum initialisation support for serial.
- IO table init
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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Adding the OMAP5 ES1.0, 2.0 and OMAP5432 cpu revision
detection support.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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OMAP socs has a legacy and a highlander version of the
32k sync counter IP. The register offsets vary between the
highlander and the legacy scheme. So use the 'SCHEME'
bits(30-31) of the revision register to distinguish between
the two versions and choose the CR register offset accordingly.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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call it __weak
omap_secure_ram_reserve_memblock is stubbed for OMAP1,2 only builds using a
ifdef check. But this results in adding CONFIG_ARCH_OMAPxx checks for
future socs that use the real function. So move this to common.c file and
call it __weak.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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OMAP4 only build breaks with below error
arch/arm/mach-omap2/sdrc.c:135: error: redefinition of 'omap2_sdrc_init'
arch/arm/plat-omap/include/plat/sdrc.h:130: note: previous definition of 'omap2_sdrc_init' was here
make[1]: *** [arch/arm/mach-omap2/sdrc.o] Error 1
Fix the same by using newly introduced CONFIG_SOC_HAS_OMAP2_SDRC marco.
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Commit ac5b0ea3d (Merge tag 'omap-devel-f-for-3.6'...) had a merge
conflict that somehow got incorrecly resolved in a lossy way for
commit bed9d1bb (ARM: OMAP2+: hwmod: add omap_hwmod_get_main_clk() API).
Fix the issue by applying the missing pieces.
Reported-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into devel-am33xx-data
OMAP AM33xx clock data
Conflicts:
arch/arm/mach-omap2/Makefile
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As per recent discussion on the linux-omap list, we are
moving in the direction where, we will have only architecture,
ARCH_OMAP2PLUS and all devices/platforms will be treated
as a SoC underneath.
So the first step in this direction is to adopt this change
for all new devices getting in, converting
cpu_is_am33xx/335x() ==> soc_is_am33xx/335x()
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Initially, we decided to make am33xx family of device to fall
under omap3 class (cpu_is_omap34xx() = true), since it carries
Cortex-A8 core. But while adding complete baseport support
(like, clock, power and hwmod) support, it is observed that,
we are creating more and more problems by treating am33xx device
as omap3 family, as nothing matches between them
(except cortex-A8 mpu).
So, after long discussion we have came to the conclusion that,
we should not consider am33xx device as omap3 family, instead
create separate class (SOC_AM33XX) under OMAP2PLUS.
This means, for am33xx device, cpu_is_omap34xx() will return false,
and only cpu_is_am33xx() will be true.
Please refer to the link below, for mailing-list discussion on this -
http://www.spinics.net/lists/linux-omap/msg69439.html
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
[tony@atomide.com: fixed typo, updated for soc_is changes]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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All OMAP2PLUS based devices, builds omap-device.o target;
so just add one entry so that there is no need to patch this file
for any future OMAP2+ devices.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Replace the regular kzalloc and ioremap with the devm_ equivalent
to simplify error handling. We don't need kree() any more in
omap_dm_timer_remove().
Also added *dev* pointer to reference pdev->dev which makes the
usage shorter in code.
Cc: Cousson, Benoit <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into cleanup-part2
Miscellaneous OMAP clock, hwmod, clockdomain, and powerdomain patches
for 3.6. Mostly small infrastructure improvements, and preparation
for OMAP5 and AM33xx code.
Conflicts:
arch/arm/mach-omap2/omap_hwmod.c
arch/arm/plat-omap/include/plat/omap_hwmod.h
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'misc_devel_3.6' into omap_devel_f_3.6
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The DMADISABLE bit is a semi-automatic bit present in sysconfig register
of some modules. When the DMA must perform read/write accesses, the
DMADISABLE bit is cleared by the hardware. But when the DMA must stop for power
management, software must set the DMADISABLE bit back to 1.
In cases where the ROMCODE/BOOTLOADER uses dma, the hardware clears the
DMADISABLE bit (but the romcode/bootloader might not set it back to 1).
In order for the kernel to start in a clean state, it is
necessary for the kernel to set DMADISABLE bit back to 1 (irrespective
of whether it's been set to 1 in romcode or bootloader).
During _reset of the (hwmod)device, the DMADISABLE bit is set so that it
does not prevent idling of the system. (NOTE: having DMADISABLE to 0,
prevents the system to idle)
DMADISABLE bit is present in usbotgss module of omap5.
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
[paul@pwsan.com: updated to apply; fixed checkpatch warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Add an API to get main clock name associated with a given @oh.
This will avoid the need to construct fclk names during early
initialization in order to get fclk handle using clk_get().
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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In case of AM33XX device, XXX_RSTST register offset is not
consistent across PRM modules/instances,
PRM_XXX RSTST
=========================
PRM_PER_MOD: 0x04
PRM_WKUP_MOD: 0x0C
PRM_MPU_MOD: NA
PRM_DEVICE_MOD: 0x08
This means, we need to pass on XXX_RSTST register offset
information through omap_hwmod data, similar to XXX_RSTCTRL.
Currently, this field is only applicable and used for AM33XX
devices.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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In case of AM33xx family of devices (like cpsw) have different sysc
bit field offsets defined,
sysc_type3:
| 3 2 | 1 0 |
| STDBYMODE | IDLEMODE |
So introduce new sysc_type3 in omap_hwmod common data.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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'omap-devel-am33xx-for-v3.6' into devel-am33xx-part2
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/timer
From Tony Lindgren <tony@atomide.com>:
Here are some omap dmtimer changes to make it easier to add
device tree support for dmtimer by simplifying the platform
data structure used by dmtimr.
* tag 'omap-devel-dmtimer-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Simplify dmtimer clock aliases
ARM: OMAP2+: Move dmtimer clock set function to dmtimer driver
ARM: OMAP1: Fix dmtimer support
ARM: OMAP: Add flag to indicate if a timer needs a manual reset
ARM: OMAP: Remove timer function pointer for context loss counter
ARM: OMAP: Remove loses_context variable from timer platform data
ARM: OMAP2+: Fix external clock support for dmtimers
ARM: OMAP2+: HWMOD: Correct timer device attributes
ARM: OMAP: Add DMTIMER capability variable to represent timer features
ARM: OMAP2+: Add dmtimer platform function to reserve systimers
ARM: OMAP2+: Remove unused max number of timers definition
ARM: OMAP: Remove unnecessary clk structure
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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AM33XX clock implementation is different than any existing OMAP
family of devices. Although DPLL module is similar to OMAP4
device, but the usage is very much different than OMAP4.
AM33XX has different peripheral set and each module gets
integrated to the clock framework differently than OMAP
family of devices.
This patch adds full Clock tree data for AM33XX family
of devices and also integrates it into existing OMAP framework.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
CC: Tony Lindgren <tony@atomide.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
[paul@pwsan.com: updated to apply; changed 'soc_is_am33xx' to
'cpu_is_am33xx' to match usage in Tony's current am33xx branch]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes-non-critical
Some OMAP AM35xx fixes.
The powerdomain and clockdomain data for the AM35xx are finally fixed.
The AM35xx EMAC/MDIO Ethernet controller integration code has been
converted to use the OMAP device and hwmod framework. Also the UART4
and HSOTGUSB warnings have been fixed.
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Conflicts:
arch/arm/mach-omap2/dsp.c
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Now that OMAP730 and OMAP850 support is mostly unified, there's no
need for separate cpu detection macros for these architectures. At
least, currently there isn't, because both macros are unused.
cpu_is_7xx() seems to cover all possible uses.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
[tony@atomide.com: updated to also to remove related IS_OMAP_TYPE]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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No file includes omap730.h or omap850.h. That's not surprising, as
commit e6684f7132c6e6333e96407b06910bebaa4c1935 ("OMAP7XX: Create
omap7xx.h") created a header that was "intended to replace omap730.h and
omap850.h", while all "values defined [in omap7xx.h] are identical to
those in both the old files". So it seems it was just an oversight to
keep both the old files after commit
7a8f48f8c611ac8c07023260258e2fec312b9242 ("OMAP7XX: omap_uwire.c:
Convert to omap7xx.h") converted the last file still including one of
those two old files.
Convert the last reference to omap730.h to a reference to omap7xx.h too.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into devel-driver
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git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes
From Paul Walmsley (as per Tony Lindgren's request):
"Some uncontroversial OMAP clock, hwmod, and compiler warning fixes for 3.5-rc"
* tag 'omap-fixes-a-for-3.5rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
ARM: OMAP4: hwmod data: Force HDMI in no-idle while enabled
ARM: OMAP2+: mux: fix sparse warning
ARM: OMAP2+: CM: increase the module disable timeout
ARM: OMAP4: clock data: add clockdomains for clocks used as main clocks
ARM: OMAP4: hwmod data: fix 32k sync timer idle modes
ARM: OMAP4+: hwmod: fix issue causing IPs not going back to Smart-Standby
ARM: OMAP: PM: Lock clocks list while generating summary
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'control_clean_dspbridge_writes_cleanup_3.6', 'hwmod_soc_conditional_cleanup_3.6', 'mcbsp_clock_aliases_cleanup_3.6' and 'remove_clkdm_requirement_from_hwmod_3.6' into omap_cleanup_a_3.6
Conflicts:
arch/arm/mach-omap2/omap_hwmod.c
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Provide an interface for a driver to call SCM functions to
set a boot address and boot mode.
Signed-off-by: Omar Ramirez Luna <omar.luna@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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There are certain fields inside 'struct dpll_data' which are
included under ARCH_OMAP3 and ARCH_OMAP4 option, which makes it
difficult to use it for new devices like, am33xx, ti81xx, etc...
So remove the ifdef completely, this will add few fields to the struct
unused, but it improves readability and maintainability of the code.
Signed-off-by: Kevin Hilman <khilman@ti.com>
[hvaibhav@ti.com: wrote detailed changelog]
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: R Sricharan <r.sricharan@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The enable/disable module functions are specific to SoCs with
OMAP4-class PRCM. Rather than use cpu_is* checks at runtime inside
the enable/disable module functions, use cpu_is at init time to
initialize function pointers only for SoCs that need them.
NOTE: the cpu_is* check for _enable_module was different than
the one for _disable_module, and this patch uses
cpu_is_omap44xx() for both.
Signed-off-by: Kevin Hilman <khilman@ti.com>
[paul@pwsan.com: moved soc_ops function pointers to be per-kernel rather than
per-hwmod since they do not vary by hwmod; added kerneldoc]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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