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power management changes for omap and imx
A significant part of the changes for these two platforms went into
power management, so they are split out into a separate branch.
* tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (65 commits)
ARM: imx6: remove __CPUINIT annotation from v7_invalidate_l1
ARM: imx6: fix v7_invalidate_l1 by adding I-Cache invalidation
ARM: imx6q: resume PL310 only when CACHE_L2X0 defined
ARM: imx6q: build pm code only when CONFIG_PM selected
ARM: mx5: use generic irq chip pm interface for pm functions on
ARM: omap: pass minimal SoC/board data for UART from dt
arm/dts: Add minimal device tree support for omap2420 and omap2430
omap-serial: Add minimal device tree support
omap-serial: Use default clock speed (48Mhz) if not specified
omap-serial: Get rid of all pdev->id usage
ARM: OMAP2+: hwmod: Add a new flag to handle hwmods left enabled at init
ARM: OMAP4: PRM: use PRCM interrupt handler
ARM: OMAP3: pm: use prcm chain handler
ARM: OMAP: hwmod: add support for selecting mpu_irq for each wakeup pad
ARM: OMAP2+: mux: add support for PAD wakeup interrupts
ARM: OMAP: PRCM: add suspend prepare / finish support
ARM: OMAP: PRCM: add support for chain interrupt handler
ARM: OMAP3/4: PRM: add functions to read pending IRQs, PRM barrier
ARM: OMAP2+: hwmod: Add API to enable IO ring wakeup
ARM: OMAP2+: mux: add wakeup-capable hwmod mux entries to dynamic list
...
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git://git.pwsan.com/linux-2.6 into prcm
Conflicts:
arch/arm/mach-omap2/Makefile
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Introduce a chained interrupt handler mechanism for the PRCM
interrupt, so that individual PRCM event can cleanly be handled by
handlers in separate drivers. We do this by introducing PRCM event
names, which are then matched to the particular PRCM interrupt bit
depending on the specific OMAP SoC being used.
PRCM interrupts have two priority levels, high or normal. High priority
is needed for IO event handling, so that we can be sure that IO events
are processed before other events. This reduces latency for IO event
customers and also prevents incorrect ack sequence on OMAP3.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Avinash.H.M <avinashhm@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Govindraj.R <govindraj.raja@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
[paul@pwsan.com: drop some dead code; use SoC-specific pending IRQ
detection; move code to prm_common.c; add lots of documentation;
remove saved_mask; add OCP barrier on ISR exit; improved error
handling; split out per-SoC initialization to a separate patch]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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This patch adds minimal support and build configuration for TI8148 EVM. Also
adds support for low level debugging on UART1 console on the EVM.
Note that existing TI8168 EVM file (board-ti8168evm.c) is updated with machine
info for TI8148 EVM.
Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add OMAP4 CPUIDLE support. CPU1 is left with defualt idle and
the low power state for it is managed via cpu-hotplug.
This patch adds MPUSS low power states in cpuidle.
C1 - CPU0 ON + CPU1 ON + MPU ON
C2 - CPU0 OFF + CPU1 OFF + MPU CSWR
C3 - CPU0 OFF + CPU1 OFF + MPU OSWR
OMAP4460 onwards, MPUSS power domain doesn't support OFF state any more
anymore just like CORE power domain. The deepest state supported is OSWr.
Ofcourse when MPUSS and CORE PD transitions to OSWR along with device
off mode, even the memory contemts are lost which is as good as
the PD off state.
On OMAP4 because of hardware constraints, no low power states are
targeted when both CPUs are online and in SMP mode. The low power
states are attempted only when secondary CPU gets offline to OFF
through hotplug infrastructure.
Thanks to Nicole Chalhoub <n-chalhoub@ti.com> for doing exhaustive
C-state latency profiling.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Jean Pihet <j-pihet@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Vishwanath BS <vishwanath.bs@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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This patch adds the CPU0 and CPU1 off mode support. CPUX close switch
retention (CSWR) is not supported by hardware design.
The CPUx OFF mode isn't supported on OMAP4430 ES1.0
CPUx sleep code is common for hotplug, suspend and CPUilde.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Jean Pihet <j-pihet@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Vishwanath BS <vishwanath.bs@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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OMAP WakeupGen is the interrupt controller extension used along
with ARM GIC to wake the CPU out from low power states on
external interrupts.
The WakeupGen unit is responsible for generating the wakeup event
from the incoming interrupts and enable bits. It is implemented
in the MPU always ON power domain. During normal operation,
WakeupGen delivers the external interrupts directly to the GIC.
WakeupGen specification has one restriction as per Veyron version 1.6.
It is SW responsibility to program interrupt enabling/disabling
coherently in the GIC and in the WakeupGen enable registers. That is, a
given interrupt for a given CPU is either enable at both GIC and WakeupGen,
or disable at both, but no mix. That's the reason the WakeupGen is
implemented as an extension of GIC.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Jean Pihet <j-pihet@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Vishwanath BS <vishwanath.bs@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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On OMAP secure/emulation devices, certain APIs are exported by secure
code. Add an infrastructure so that relevant operations on secure
devices can be implemented using it.
While at this, rename omap44xx-smc.S to omap-smc.S since the common APIs
can be used on other OMAP's too.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Jean Pihet <j-pihet@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Vishwanath BS <vishwanath.bs@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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This patch adds a custom DSS reset function used on OMAPs from OMAP2
forward.
The function doesn't actually do a reset, it only waits for the reset to
complete. The reason for this is that on OMAP4 there is no possibility
to do a SW reset, and on OMAP2/3 doing a SW reset for dss_core resets
all the other DSS modules also, thus breaking the HWMOD model where
every DSS module is handled independently.
This fixes the problem with DSS reset on OMAP4, caused by the fact that
because there's no SW reset for dss_core on OMAP4, the HWMOD framework
doesn't try to reset dss_core and thus the DSS clocks were never enabled
at the same time. This causes causes the HWMOD reset to fail for
dss_dispc and dss_rfbi.
The common reset function will also allow us to fix another problem in
the future: before doing a reset we need to disable DSS outputs, which
are in some cases enabled by the bootloader, as otherwise DSS HW seems
to get more or less stuck, requiring a power reset to recover.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
[paul@pwsan.com: modified to build arch/arm/mach-omap2/display.o
unconditionally to avoid an error when !CONFIG_OMAP2_DSS]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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* 'next/pm' of git://git.linaro.org/people/arnd/arm-soc: (66 commits)
ARM: CSR: PM: use outer_resume to resume L2 cache
ARM: CSR: call l2x0_of_init to init L2 cache of SiRFprimaII
ARM: OMAP: voltage: voltage layer present, even when CONFIG_PM=n
ARM: CSR: PM: add sleep entry for SiRFprimaII
ARM: CSR: PM: save/restore irq status in suspend cycle
ARM: CSR: PM: save/restore timer status in suspend cycle
OMAP4: PM: TWL6030: add cmd register
OMAP4: PM: TWL6030: fix ON/RET/OFF voltages
OMAP4: PM: TWL6030: address 0V conversions
OMAP4: PM: TWL6030: fix uv to voltage for >0x39
OMAP4: PM: TWL6030: fix voltage conversion formula
omap: voltage: add a stub header file for external/regulator use
OMAP2+: VC: more registers are per-channel starting with OMAP5
OMAP3+: voltage: update nominal voltage in voltdm_scale() not VC post-scale
OMAP3+: voltage: rename omap_voltage_get_nom_volt -> voltdm_get_voltage
OMAP3+: voltdm: final removal of omap_vdd_info
OMAP3+: voltage: move/rename curr_volt from vdd_info into struct voltagedomain
OMAP3+: voltage: rename scale and reset functions using voltdm_ prefix
OMAP3+: VP: combine setting init voltage into common function
OMAP3+: VP: remove unused omap_vp_get_curr_volt()
...
Fix up trivial conflict in arch/arm/mach-prima2/l2x0.c (code removal vs
edit)
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* 'next/cleanup' of git://git.linaro.org/people/arnd/arm-soc: (125 commits)
ARM: mach-mxs: fix machines' initializers order
mmc: mxcmmc: explicitly includes mach/hardware.h
arm/imx: explicitly includes mach/hardware.h in pm-imx27.c
arm/imx: remove mx27_setup_weimcs() from mx27.h
arm/imx: explicitly includes mach/hardware.h in mach-kzm_arm11_01.c
arm/imx: remove mx31_setup_weimcs() from mx31.h
ARM: tegra: devices.c should include devices.h
ARM: tegra: cpu-tegra: unexport two functions
ARM: tegra: cpu-tegra: sparse type fix
ARM: tegra: dma: staticify some tables and functions
ARM: tegra: tegra2_clocks: don't export some tables
ARM: tegra: tegra_powergate_is_powered should be static
ARM: tegra: tegra_rtc_read_ms should be static
ARM: tegra: tegra_init_cache should be static
ARM: tegra: pcie: 0 -> NULL changes
ARM: tegra: pcie: include board.h
ARM: tegra: pcie: don't cast __iomem pointers
ARM: tegra: tegra2_clocks: 0 -> NULL changes
ARM: tegra: tegra2_clocks: don't cast __iomem pointers
ARM: tegra: timer: don't cast __iomem pointers
...
Fix up trivial conflicts in
arch/arm/mach-omap2/Makefile,
arch/arm/mach-u300/{Makefile.boot,core.c}
arch/arm/plat-{mxc,omap}/devices.c
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git://gitorious.org/khilman/linux-omap-pm into omap/voltage
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Even when CONFIG_PM=n, we try to scale the boot voltage to a sane,
known value using OPP table to find matching voltage based on boot
frequency. This should be done, even when CONFIG_PM=n to avoid
mis-configured bootloaders and/or boot voltage assumptions made by
boot loaders.
Also fixes various compile problems due to depenencies between voltage
domain and powerdomain code (also present when CONFIG_PM=n).
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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git://gitorious.org/khilman/linux-omap-pm into voltage
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into cleanup
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This patch is primarily a move of VP specific code from voltage.c into
its own code in vp.c and adds prototypes to vp.h
No functional changes, except debugfs...
VP debugfs moved to 'vp' subdir of <debugfs>/voltage/ and 'vp_'
prefixes removed from all debugfs filenames.
Signed-off-by: Kevin Hilman <khilman@ti.com>
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As part of the voltage layer cleanup, split out VC specific code into
a dedicated VC layer. This patch primarily just moves VC code from
voltage.c into vc.c, and adds prototypes to vc.h.
No functional changes.
For readability, each function was given a local 'vc' pointer:
struct omap_vc_instance_data *vc = voltdm->vdd->vc_data;
and a global replace of s/vdd->vc_data/vc/ was done.
Also vc_init was renamed to vc_init_channel to reflect that this is
per-VC channel initializtion.
Signed-off-by: Kevin Hilman <khilman@ti.com>
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Create basic voltagedomains for OMAP2 and associate OMAP2 powerdomains
with the newly created voltage domains.
While here, update copyright on powerdomain data to 2011.
Signed-off-by: Kevin Hilman <khilman@ti.com>
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At Tony's request, remove the omap_chip bitmasks from the clockdomain
and clockdomain dependency definitions. Instead, initialize
clockdomains based on one or more lists that are applicable to a
particular SoC family, variant, and silicon revision.
Tony Lindgren <tony@atomide.com> found a bug in a previous version of this
patch - thanks Tony.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
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This patch fixes the compilation brekage which
commits 208466dc ("usb: otg:OMAP4430: Powerdown
the internal PHY when USB is disabled") and
fb91cde4 ("usb: musb: OMAP4430: Power down
the PHY during board init") introduced when
building a OMAP2-only kernel.
LD .tmp_vmlinux1
arch/arm/mach-omap2/built-in.o:(.data+0x7ce0): undefined reference to
+`omap4430_phy_init'
arch/arm/mach-omap2/built-in.o:(.data+0x7ce4): undefined reference to
+`omap4430_phy_exit'
arch/arm/mach-omap2/built-in.o:(.data+0x7ce8): undefined reference to
+`omap4430_phy_power'
arch/arm/mach-omap2/built-in.o:(.data+0x7cec): undefined reference to
+`omap4430_phy_set_clk'
arch/arm/mach-omap2/built-in.o:(.data+0x7cf0): undefined reference to
+`omap4430_phy_suspend'
make: *** [.tmp_vmlinux1] Error 1
Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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As noted by Grant Likely <grant.likely@secretlab.ca>, omap2+ Makefile unnecessarily
repeats entries for common device init code instead of using Kconfig symbol.
Remove references to hsmmc.o and board-flash.o. Also omap_phy_internal.o
references can be removed once it has some Kconfig symbol to use.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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To reduce kernel source file data duplication, share struct
omap_hwmod_mpu_irqs arrays across OMAP2xxx and 3xxx hwmod data files.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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To reduce kernel source file data duplication, share struct
omap_hwmod_addr_space arrays across OMAP2xxx and 3xxx hwmod data
files.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Introduce a new file, which will be used to configure
common pmic (TWL) devices, regulators, and TWL audio.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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We can keep everything sys_timer and gptimer.c related code in
timer.c as the code will be very minimal.
Later on we can also remove timer-mpu.c, as it can be called from
omap4_timer_init function.
This allows us to get rid of confusing existing files. We currently
have timer-gp.c, timer-mpu.c, and patches have been posted to add
dmtimer.c. There's no need to have these multiple files, we can
put everything into timer.c.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (33 commits)
OMAP3: PM: Boot message is not an error, and not helpful, remove it
OMAP3: cpuidle: change the power domains modes determination logic
OMAP3: cpuidle: code rework for improved readability
OMAP3: cpuidle: re-organize the C-states data
OMAP3: clean-up mach specific cpuidle data structures
OMAP3 cpuidle: remove useless SDP specific timings
usb: otg: OMAP4430: Powerdown the internal PHY when USB is disabled
usb: otg: OMAP4430: Fixing the omap4430_phy_init function
usb: musb: am35x: fix compile error when building am35x
usb: musb: OMAP4430: Power down the PHY during board init
omap: drop board-igep0030.c
omap: igep0020: add support for IGEP3
omap: igep0020: minor refactoring
omap: igep0020: name refactoring for future merge with IGEP3
omap: Remove support for omap2evm
arm: omap2plus: GPIO cleanup
omap: musb: introduce default board config
omap: move detection of NAND CS to common-board-devices
omap: use common initialization for PMIC i2c bus
omap: consolidate touch screen initialization among different boards
...
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* power-domains:
PM: Fix build issue in clock_ops.c for CONFIG_PM_RUNTIME unset
PM: Revert "driver core: platform_bus: allow runtime override of dev_pm_ops"
OMAP1 / PM: Use generic clock manipulation routines for runtime PM
PM / Runtime: Generic clock manipulation rountines for runtime PM (v6)
PM / Runtime: Add subsystem data field to struct dev_pm_info
OMAP2+ / PM: move runtime PM implementation to use device power domains
PM / Platform: Use generic runtime PM callbacks directly
shmobile: Use power domains for platform runtime PM
PM: Export platform bus type's default PM callbacks
PM: Make power domain callbacks take precedence over subsystem ones
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since it is merged into board-igep0020.c
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add common-board-devices.c that will contain the code for peripheral
devices initializatoin shared between multiple boards.
Start small with touchscreen initialization.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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In commit 7538e3db6e015e890825fbd9f8659952896ddd5b (PM: add support
for device power domains) a better way for handling platform-specific
power hooks was introduced.
Rather than using the platform_bus dev_pm_ops overrides
(platform_bus_set_pm_ops()), this patch moves the OMAP runtime PM
implementation over to using device power domains.
Since OMAP is the only user of platform_bus_set_pm_ops(), that
interface can be removed (and will be in a forthcoming patch.)
[rjw: Rebased on top of a previous change modifying the handling of
power domains by the PM core so that power domain callbacks take
precendence over subsystem-level PM callbacks.]
Signed-off-by: Kevin Hilman <khilman@ti.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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This fixes broken build when using binutils 2.21.
Signed-off-by: Oskar Andero <oskar.andero@sonyericsson.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (258 commits)
omap: zoom: host should not pull up wl1271's irq line
arm: plat-omap: iommu: fix request_mem_region() error path
OMAP2+: Common CPU DIE ID reading code reads wrong registers for OMAP4430
omap4: mux: Remove duplicate mux modes
omap: iovmm: don't check 'da' to set IOVMF_DA_FIXED flag
omap: iovmm: disallow mapping NULL address when IOVMF_DA_ANON is set
omap2+: mux: Fix compile when CONFIG_OMAP_MUX is not selected
omap4: board-omap4panda: Initialise the serial pads
omap3: board-3430sdp: Initialise the serial pads
omap4: board-4430sdp: Initialise the serial pads
omap2+: mux: Add macro for configuring static with omap_hwmod_mux_init
omap2+: mux: Remove the use of IDLE flag
omap2+: Add separate list for dynamic pads to mux
perf: add OMAP support for the new power events
OMAP4: Add IVA OPP enteries.
OMAP4: Update Voltage Rail Values for MPU, IVA and CORE
OMAP4: Enable 800 MHz and 1 GHz MPU-OPP
OMAP3+: OPP: Replace voltage values with Macros
OMAP3: wdtimer: Fix CORE idle transition
Watchdog: omap_wdt: add fine grain runtime-pm
...
Fix up various conflicts in
- arch/arm/mach-omap2/board-omap3evm.c
- arch/arm/mach-omap2/clock3xxx_data.c
- arch/arm/mach-omap2/usb-musb.c
- arch/arm/plat-omap/include/plat/usb.h
- drivers/usb/musb/musb_core.h
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tmp-integration-2.6.39-20110310-024
Conflicts:
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
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'remotes/origin/pwrdm_add_can_lose_context_fns_2.6.39', 'remotes/origin/omap_device_a_2.6.39', 'remotes/origin/mmc_a_2.6.39', 'remotes/origin/hwmod_b_2.6.39', 'remotes/origin/dmtimer_a_2.6.39', 'remotes/origin/pwrdm_clkdm_a_2.6.39', 'remotes/origin/clkdm_statdep_omap4_2.6.39', 'remotes/origin/clk_a_2.6.39', 'remotes/origin/clk_autoidle_a_2.6.39', 'remotes/origin/clk_autoidle_b_2.6.39', 'remotes/origin/clk_b_2.6.39', 'remotes/origin/clk_clkdm_a_2.6.39', 'remotes/origin/misc_a_2.6.39', 'remotes/origin/for_2.6.39/omap3_hwmod_data' and 'remotes/origin/wdtimer_a_2.6.39' into tmp-integration-2.6.39-20110310-024
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This is a first pass at reorganizing mach-omap2/voltage.c:
- Separate almost all of the data from the code of mach-omap2/voltage.c.
The code remains in mach-omap2/voltage.c. The data goes into one
of several places, depending on what type of data it is:
- Silicon process/validation data: mach-omap2/opp*_data.c
- VC (Voltage Controller) data: mach-omap2/vc*_data.c
- VP (Voltage Processor) data: mach-omap2/vp*_data.c
- Voltage domain data: mach-omap2/voltagedomains*_data.c
The ultimate goal is for all this data to be autogenerated, the same
way we autogenerate the rest of our data.
- Separate VC and VP common data from VDD-specific VC and VP data.
- Separate common voltage.c code from SoC-specific code; reuse common code.
- Reorganize structures to avoid unnecessary memory loss due to unpacked
fields.
There is much left to be done. VC code and VP code should be separated out
into vc*.c and vp*.c files. Many fields in the existing structures are
superfluous, and should be removed. Some code in voltage.c seems to be
duplicated; that code should be moved into functions of its own. Proper
voltage domain code should be created, as was done with the powerdomain
and clockdomains, and powerdomains should reference voltagedomains.
Thanks to Shweta Gulati <shweta.gulati@ti.com> for comments. Thanks
to Rajendra Nayak <rnayak@ti.com> for finding and fixing some bugs
that prevented OMAP4 from booting:
https://patchwork.kernel.org/patch/587311/
His patch has been folded into this one to avoid breaking OMAP4
between patches. Thanks also to Kevin Hilman <khilman@ti.com> for
finding and fixing a compile problem when !CONFIG_PM:
http://www.spinics.net/lists/arm-kernel/msg118067.html
His patch has also been folded into this one to avoid breaking
!CONFIG_PM builds.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Shweta Gulati <shweta.gulati@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
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The driver provides the information regarding the ocp errors
that gets logged in the interconnect. The error information
gives the detail regarding the target that was attempted
to be accessed and its corresponding address.
Signed-off-by: sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
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The driver provides the information regarding the ocp errors
that gets logged in the interconnect.The error info provides
the details regarding the master or the target that
generated the error, type of error and the corresponding address.
The stack dump is also provided.
Signed-off-by: sricharan <r.sricharan@ti.com>
[r.sricharan@ti.com: Enhacements, major cleanup and made it functional]
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[santosh.shilimkar@ti.com: Driver design changes as per OMAP4 version]
Signed-off-by: Felipe Balbi <balbi@ti.com>
[balbi@ti.com: Initial version of the driver]
Acked-by: Benoit Cousson <b-cousson@ti.com>
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Add interface clock type code with autoidle enable/disable support.
The clkops structures created in this file will be used for all
OMAP2/3 interface clocks with autoidle support. They will enable the
clock framework to control interface clock autoidle directly.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Rajendra Nayak <rnayak@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
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Add the necessary code and data to allow the clock framework to enable
and disable the OMAP2 DPLL autoidle state. This is so the direct
register access can be moved out of the mach-omap2/pm24xx.c code, and other
code that needs to control this (e.g., CPUIdle) can do so via an API.
As part of this patch, remove the pm24xx.c code that formerly wrote
directly to the autoidle bits.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@ti.com>
Tested-by: Rajendra Nayak <rnayak@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
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We already have both EHCI and OHCI there, so let's
rename to be sure everybody will understand the entire
USB HOST functionality is setup on this file.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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On OMAP4, the dpll post divider outputs (MX outputs)
along with clockout_x2 output provide a way to allow/deny
hardware level autogating.
Allowing autoidle would mean that the hw would autogate
this clock when there is no dependency for it.
Denying idle would mean that this clock output will be
forced to stay enabled.
Add dpll api's to read/allow/deny idle control
for these dpll mx postdividers.
NOTE: The gatectrl bit set to 0 allows gatectrl,
and the bit set to 1 denies gatectrl.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: moved OMAP4-specific DPLL control code to
mach-omap2/dpll44xx.c; added some documentation for CLOCK_CLKOUTX2]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Define the following architecture specific funtions for omap2/3/4
.clkdm_sleep
.clkdm_wakeup
Convert the platform-independent framework to call these functions.
Also rename the api's by removing the omap2_ preamble.
Hence call omap2_clkdm_wakeup as clkdm_wakeup and
omap2_clkdm_sleep as clkdm_sleep.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: fixed omap3_clkdm_clear_all_sleepdeps() and
omap2_clkdm_clear_all_wkdeps() to test against the correct
loop termination condition; thanks to Kevin Hilman for finding and
helping fix]
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Define the following architecture specific funtions for omap2/3
.clkdm_add_wkdep
.clkdm_del_wkdep
.clkdm_read_wkdep
.clkdm_clear_all_wkdeps
.clkdm_add_sleepdep
.clkdm_del_sleepdep
.clkdm_read_sleepdep
.clkdm_clear_all_sleepdeps
Convert the platform-independent framework to call these functions.
With this also move the clkdm lookups for all wkdep_srcs and
sleepdep_srcs at clkdm_init.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: fixed loop termination conditions in omap*_clkdm_clear_all_*();
thanks to Kevin Hilman for finding and helping fix those bugs; also
avoid re-resolving clockdomains during init; abstracted out clkdm_dep walk]
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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A new file display.c is introduced for display driver init, which adds a function
omap_display_init to do the DSS driver registration. This is the first step in moving
away registration of DSS from board files into a common place.
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Conflicts:
arch/arm/mach-omap2/omap_hwmod_2430_data.c
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
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Build and register an hwspinlock platform device.
Although only OMAP4 supports the hardware spinlock module (for now),
it is still safe to run this initcall on all omaps, because hwmod lookup
will simply fail on hwspinlock-less platforms.
Signed-off-by: Simon Que <sque@ti.com>
Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Benoit Cousson <b-cousson@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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Moved all the board specific internal PHY functions out of usb_musb.c file
as this file is shared between the OMAP2+ and AM35xx platforms.
There exists a file which has the functions specific to internal PHY
used for OMAP4 platform. Moved all phy specific functions to this file
and passing these functions through board data in the board file.
Signed-off-by: Hema HK <hemahk@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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'devel-ti816x' into omap-for-linus
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This patch adds minimal support and build configuration for TI816X EVM.
Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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