This adds support for new features, and contains stuff from most
platforms. A number of these patches could have fit into other
branches, too, but were small enough not to cause too much
confusion here.
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Merge tag 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
New feature development
This adds support for new features, and contains stuff from most
platforms. A number of these patches could have fit into other
branches, too, but were small enough not to cause too much
confusion here.
* tag 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
mfd/db8500-prcmu: remove support for early silicon revisions
ARM: ux500: fix the smp_twd clock calculation
ARM: ux500: remove support for early silicon revisions
ARM: ux500: update register files
ARM: ux500: register DB5500 PMU dynamically
ARM: ux500: update ASIC detection for U5500
ARM: ux500: support DB8520
ARM: picoxcell: implement watchdog restart
ARM: OMAP3+: hwmod data: Add the default clockactivity for I2C
ARM: OMAP3: hwmod data: disable multiblock reads on MMC1/2 on OMAP34xx/35xx <= ES2.1
ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP4
ARM: OMAP: USB: EHCI and OHCI hwmod structures for OMAP3
ARM: OMAP: hwmod data: Add support for AM35xx UART4/ttyO3
ARM: Orion: Remove address map info from all platform data structures
ARM: Orion: Get address map from plat-orion instead of via platform_data
ARM: Orion: mbus_dram_info consolidation
ARM: Orion: Consolidate the address map setup
ARM: Kirkwood: Add configuration for MPP12 as GPIO
ARM: Kirkwood: Recognize A1 revision of 6282 chip
ARM: ux500: update the MOP500 GPIO assignments
...
Hook these platforms restart code into the new restart hook rather
than using arch_reset().
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
sched_clock() is yet another blocker on the road to the single
image. This patch implements an idea by Russell King:
http://www.spinics.net/lists/linux-omap/msg49561.html
Instead of asking the platform to implement both sched_clock()
itself and the rollover callback, simply register a read()
function, and let the ARM code care about sched_clock() itself,
the conversion to ns and the rollover. sched_clock() uses
this read() function as an indirection to the platform code.
If the platform doesn't provide a read(), the code falls back
to the jiffy counter (just like the default sched_clock).
This allow some simplifications and possibly some footprint gain
when multiple platforms are compiled in. Among the drawbacks,
the removal of the *_fixed_sched_clock optimization which could
negatively impact some platforms (sa1100, tegra, versatile
and omap).
Tested on 11MPCore, OMAP4 and Tegra.
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Colin Cross <ccross@android.com>
Cc: Erik Gilling <konkers@android.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Alessandro Rubini <rubini@unipv.it>
Cc: STEricsson <STEricsson_nomadik_linux@list.st.com>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Tested-by: Jamie Iles <jamie@jamieiles.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Krzysztof Halasa <khc@pm.waw.pl>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
DPLL1 reprogramming to a different rate is actually blocked inside
omap1_select_table_rate(). However, it is already forced at boot, for
boards which boot at unusable clock rates, and this seems to work
correctly.
OTOH, we now have a fine, run time performed clock selection algorithm
implemented, which prevents less powerfull SoCs from being overclocked
unintentionally.
Allow reprogramming of dpll1 by default, and use it for switching to the
higest supported clock rate with all boards, including those already
booting at a usable rate of 60 MHz or above.
Created against linux-omap/master tip as of Thu Dec 1,
commit f83c2a8cbb59981722d1ab610c79adfd034a2667. Requires the just
submitted patch "ARM: OMAP1: Move dpll1 rates selection from config to
runtime" to prevent from unintentional overclocking. Tested on Amstrad
Delta.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
According to comments in omap1_select_table_rate(), reprogramming dpll1
is tricky, and should always be done from SRAM.
While being at it, move OMAP730 special case handling inside
omap_sram_reprogram_clock().
Created on top of version 2 of the series "ARM: OMAP1: Fix dpll1
reprogramming related issues", which it depends on.
Tested on Amstrad Delta.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
For still better multi-OMAP1 support, expand omap1_rate_table with flags
for different SoC types and match them while selecting clock rates. The
idea is stolen from current omap24xx clock rate selection algorithm.
Since clkdev platform flag definitions are reused here, those had to be
expanded with one extra entry for OMAP1710 subtype, as this is the only
SoC for which we allow selection of the highest, 216 MHz rate.
Once done, remove no longer needed clock rate configure time options.
Tested on Amstrad Delta.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Otherwise timing is inaccurate, resulting in devices which depend on it,
like omap-keypad, broken.
Tested on Amstrad Delta.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
[tony@atomide.com: removed comment referencing a development branch]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Use the exact value found in omap1_rate_table, otherwise I have been
experiencing issues with correct timekeeping on my Amstrad Delta.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
[tony@atomide.com: removed comment referencing a development branch]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit e9b7086b80 (ARM: OMAP: Fix
reprogramming of dpll1 rate) fixed a regression for systems that
did not rely on bootloader set rates.
However, it also introduced a new problem where the rates selected
in .config would not take affect as omap1_select_table_rate
currently refuses to reprogram DPLL1 if it's already initialized.
This was not a problem earlier, as the reprogramming was done
earlier with ck_dpll1_p->rate uninitialized.
Fix this by forcing the reprogramming on systems booting at rates
below 60MHz. Note that the long term fix is to make the rates
SoC specific later on.
Thanks for Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> for figuring
this one out.
Reported-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Acked-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
A generic version should replace this later.
As io.c has become nearly empty, omap_init_consistent_dma_size() is moved
into common.c so that io.c can be removed entirely.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Tested-by: Kevin Hilman <khilman@ti.com>
As suggested by Russell King - ARM Linux <linux@arm.linux.org.uk>,
there's no need to keep local prototypes in non-local headers.
Add mach-omap1/common.h and mach-omap2/common.h and move the
local prototypes there from plat/common.h and mach/omap4-common.h.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit a66cb3454f (ARM: OMAP: Map SRAM
later on with ioremap_exec()) moved the SRAM init to happen later
to remove a dependency to early SoC detection for map_io.
This broke booting on some boards not using Kconfig option for
OMAP_CLOCKS_SET_BY_BOOTLOADER as the dpll1 reprogramming would
cause the following error:
kernel BUG at arch/arm/plat-omap/sram.c:226!
Internal error: Oops - undefined instruction: 0 [#1] PREEMPT
Modules linked in:
CPU: 0 Not tainted (3.2.0-rc1-e3 #9)
PC is at omap_sram_reprogram_clock+0x28/0x30
LR is at omap1_select_table_rate+0x88/0xb4
pc : [<c001b0c4>] lr : [<c0019f54>] psr: 600000d3
sp : c035bf10 ip : c035bf20 fp : c035bf1c
r10: c035bfd4 r9 : 54029252 r8 : c03f8120
r7 : c0362b50 r6 : 00b71b00 r5 : c03873cc r4 : c0362b40
r3 : 00000000 r2 : c0362b40 r1 : 0000010a r0 : 00002cb0
Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel
Control: 0000317f Table: 10004000 DAC: 00000017
Process swapper (pid: 0, stack limit = 0xc035a270)
Stack: (0xc035bf10 to 0xc035c000)
bf00: c035bf3c c035bf20 c0019f54 c001b0ac
bf20: 00001000 00002cb3 00000004 c035ed4c c035bf74 c035bf40 c033ea24 c0019edc
bf40: c02f526c 00000002 00000015 bc058c9b 93111a16 c035335c 02000000 c035ed4c
bf60: c035ed4c c03f8120 c035bf84 c035bf78 c00194c4 c033e8ec c035bfc4 c035bf88
bf80: c033bc24 c00194a0 c035bf90 c035bf98 00000000 00000000 00000000 00000000
bfa0: 00000001 00000000 c0354678 c035ece4 10004000 103532f4 c035bff4 c035bfc8
bfc0: c0338574 c033b598 00000000 00000000 00000000 c035467c 0000317d c035c03c
bfe0: c0354678 c035ece4 00000000 c035bff8 10008040 c0338508 00000000 00000000
Backtrace:
[<c001b09c>] (omap_sram_reprogram_clock+0x0/0x30) from [<c0019f54>] (omap1_select_table_rate+0x88/0xb4)
[<c0019ecc>] (omap1_select_table_rate+0x0/0xb4) from [<c033ea24>] (omap1_clk_init+0x148/0x334)
r7:c035ed4c r6:00000004 r5:00002cb3 r4:00001000
[<c033e8dc>] (omap1_clk_init+0x0/0x334) from [<c00194c4>] (omap1_init_early+0x34/0x48)
r8:c03f8120 r7:c035ed4c r6:c035ed4c r5:02000000 r4:c035335c
[<c0019490>] (omap1_init_early+0x0/0x48) from [<c033bc24>] (setup_arch+0x69c/0x79c)
[<c033b588>] (setup_arch+0x0/0x79c) from [<c0338574>] (start_kernel+0x7c/0x2f4)
[<c03384f8>] (start_kernel+0x0/0x2f4) from [<10008040>] (0x10008040)
r7:c035ece4 r6:c0354678 r5:c035c03c r4:0000317d
Code: 0a000002 e1a0e00f e12fff13 e89da800 (e7f001f2)
Fix this by adding omap1_clk_late_init() that only reprograms dpll1
if the bootloader rate is less than 60MHz. This also allows removing
of the OMAP_CLOCKS_SET_BY_BOOTLOADER option.
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 7b88e62f5d (ARM: OMAP1: Use generic
map_io, init_early and init_irq) changed omap1 to use generic map_io.
Looks like I missed one board though. Fix this by adding a custom
map_io for Amstrad E3.
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
* 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits)
Revert "tracing: Include module.h in define_trace.h"
irq: don't put module.h into irq.h for tracking irqgen modules.
bluetooth: macroize two small inlines to avoid module.h
ip_vs.h: fix implicit use of module_get/module_put from module.h
nf_conntrack.h: fix up fallout from implicit moduleparam.h presence
include: replace linux/module.h with "struct module" wherever possible
include: convert various register fcns to macros to avoid include chaining
crypto.h: remove unused crypto_tfm_alg_modname() inline
uwb.h: fix implicit use of asm/page.h for PAGE_SIZE
pm_runtime.h: explicitly requires notifier.h
linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h
miscdevice.h: fix up implicit use of lists and types
stop_machine.h: fix implicit use of smp.h for smp_processor_id
of: fix implicit use of errno.h in include/linux/of.h
of_platform.h: delete needless include <linux/module.h>
acpi: remove module.h include from platform/aclinux.h
miscdevice.h: delete unnecessary inclusion of module.h
device_cgroup.h: delete needless include <linux/module.h>
net: sch_generic remove redundant use of <linux/module.h>
net: inet_timewait_sock doesnt need <linux/module.h>
...
Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in
- drivers/media/dvb/frontends/dibx000_common.c
- drivers/media/video/{mt9m111.c,ov6650.c}
- drivers/mfd/ab3550-core.c
- include/linux/dmaengine.h
There is no use for omap-alsa.h and board-palmz71.c doesn't need it either.
Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Fix "Enable 32kHz OS timer in order to allow sleep states in idle"
warning. We are now compiling in bothe MPU timer and 32 KiHz timer,
so this warning is only valid when MPU_TIMER is set and OMAP_DM_TIMER
is not set.
Signed-off-by: Tony Lindgren <tony@atomide.com>
* 'next/cleanup2' of git://git.linaro.org/people/arnd/arm-soc: (31 commits)
ARM: OMAP: Warn if omap_ioremap is called before SoC detection
ARM: OMAP: Move set_globals initialization to happen in init_early
ARM: OMAP: Map SRAM later on with ioremap_exec()
ARM: OMAP: Remove calls to SRAM allocations for framebuffer
ARM: OMAP: Avoid cpu_is_omapxxxx usage until map_io is done
ARM: OMAP1: Use generic map_io, init_early and init_irq
arm/dts: OMAP3+: Add mpu, dsp and iva nodes
arm/dts: OMAP4: Add a main ocp entry bound to l3-noc driver
ARM: OMAP2+: l3-noc: Add support for device-tree
ARM: OMAP2+: board-generic: Add i2c static init
ARM: OMAP2+: board-generic: Add DT support to generic board
arm/dts: Add support for OMAP3 Beagle board
arm/dts: Add initial device tree support for OMAP3 SoC
arm/dts: Add support for OMAP4 SDP board
arm/dts: Add support for OMAP4 PandaBoard
arm/dts: Add initial device tree support for OMAP4 SoC
ARM: OMAP: omap_device: Add a method to build an omap_device from a DT node
ARM: OMAP: omap_device: Add omap_device_[alloc|delete] for DT integration
of: Add helpers to get one string in multiple strings property
ARM: OMAP2+: devices: Remove all omap_device_pm_latency structures
...
Fix up trivial header file conflicts in arch/arm/mach-omap2/board-generic.c
These files will fail to compile if we dont clean them up in advance
and have them include the appropriate headers they need.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
These files all make use of one of the EXPORT_SYMBOL variants
or the THIS_MODULE macro. So they will need <linux/export.h>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (63 commits)
PM / Clocks: Remove redundant NULL checks before kfree()
PM / Documentation: Update docs about suspend and CPU hotplug
ACPI / PM: Add Sony VGN-FW21E to nonvs blacklist.
ARM: mach-shmobile: sh7372 A4R support (v4)
ARM: mach-shmobile: sh7372 A3SP support (v4)
PM / Sleep: Mark devices involved in wakeup signaling during suspend
PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image
PM / Hibernate: Do not initialize static and extern variables to 0
PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too
PM / Hibernate: Add resumedelay kernel param in addition to resumewait
MAINTAINERS: Update linux-pm list address
PM / ACPI: Blacklist Vaio VGN-FW520F machine known to require acpi_sleep=nonvs
PM / ACPI: Blacklist Sony Vaio known to require acpi_sleep=nonvs
PM / Hibernate: Add resumewait param to support MMC-like devices as resume file
PM / Hibernate: Fix typo in a kerneldoc comment
PM / Hibernate: Freeze kernel threads after preallocating memory
PM: Update the policy on default wakeup settings
PM / VT: Cleanup #if defined uglyness and fix compile error
PM / Suspend: Off by one in pm_suspend()
PM / Hibernate: Include storage keys in hibernation image on s390
...
We don't have cpu_is_omapxxxx SoC detection initialized until
SoC detection is initialized from init_early.
Note that with the common map_io we should no longer need
cpu_is_omapxxxx for ioremap.
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This allows us to remove omap hacks for map_io.
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This allows removing omap hacks for map_io allowing generic
map_io.
Note that in the future we can't do cpu_is_omapxxxx detection
until in init_early. This means that board-innovator.c now
assumes 15xx only, and board-generic.c assumes 16xx only.
This is best fixed later on by passing the SoC type from
device tree.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Boards used to specify zreladdr in their Makefile.boot with
zreladdr-y := x, so conflicting zreladdrs were silently overwritten.
This patch changes this to zreladdr-y += x, so that we end
up with multiple words in zreladdr in such a case. We can
detect this later and complain if necessary.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
These address definitions are OMAP1 specific can be in single source file.
Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Register access can be made more generic by calculating register address
offsets runtime from common register definitions and by using reg_size and
reg_step variables that are passed via platform data. Common register
definitions are possible since McBSP registers are ordered similarly between
OMAP versions.
Remove also references to OMAP2+ specific config_type variable from generic
McBSP code since other variables and feature flags are better to carry needed
information from platform code.
Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Only OMAP1s are using omap_mcbsp_register_board_cfg after OMAP2+ hwmod
conversion so it can be moved to mach-omap1/mcbsp.c.
Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This achieves two goals:
1) Get rid of omap_uart_v2p() and omap_uart_p2v() which were the last users
of PLAT_PHYS_OFFSET.
2) Remove the probing of the M bit in the CP15 control reg and make
the access to the .data variables completely position independent.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
This is the first step to remove PLAT_PHYS_OFFSET usage from the debug
UART code.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Some platforms (like OMAP not to name it) are doing rather complicated
hacks just to determine the base UART address to use. Let's give their
addruart macro some slack by providing an extra work register which will
allow for much needed cleanups.
This is basically a no-op as this commit is only adding the extra argument
to the macro but no one is using it yet.
Signed-off-by: nicolas Pitre <nicolas.pitre@linaro.org>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Convert OMAP1 dmtimers into a platform devices and then registers with
device model framework so that it can be bound to corresponding driver.
Signed-off-by: Thara Gopinath <thara@ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Cousson, Benoit <b-cousson@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Since the PM clock management code in drivers/base/power/clock_ops.c
is used for both runtime PM and system suspend/hibernation, the
definitions of data structures and headers related to it should not
be located in include/linux/pm_rumtime.h. Move them to a separate
header file.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Linus Torvalds
Russell King
Olof Johansson
Marc Zyngier
Janusz Krzysztofik
Tony Lindgren
Nicolas Pitre
Jarkko Nikula
Arnd Bergmann
Paul Gortmaker
Sascha Hauer
Tarun Kanti DebBarma
Rafael J. Wysocki