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We should not select drivers from kconfig as they should by default
be optional. Otherwise we'll be chasing broken dependencies forever:
warning: (MACH_OMAP_ZOOM2 && MACH_OMAP_ZOOM3 && MWAVE) selects SERIAL_8250
which has unmet direct dependencies (TTY && HAS_IOMEM && GENERIC_HARDIRQS)
Fix the issue by removing the selects for zoom and add them to
omap2plus_defconfig.
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Pull ARM SoC board specific changes from Arnd Bergmann:
"These updates are all for board specific code, including
- defconfig updates for shmobile, davinci, bcm2835, imx, omap and
tegra
- SD/MMC and I2C support on bcm2835 (Raspberry PI)
- minor updates for PXA
- shmobile updates to GPIO usage in board files
- More things in OMAP board files are moved over to device tree
probing
- Better support for audio devices on some OMAP platforms"
* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (55 commits)
ARM: imx_v4_v5_defconfig: Add VPU support
ARM: imx: configs: enable netfilter support
ARM: OMAP2+: Fix twl section warnings related to omap_twl4030_audio_init
ARM: OMAP2+: omap2plus_defconfig: enable omap1 rtc
RX-51: Register twl4030-madc device
RX-51: Add leds lp5523 names from Maemo 5 2.6.28 kernel
ARM: OMAP2+: AM33XX: omap2plus_defconfig: Add support for few drivers
ARM: OMAP1: nokia770: enable CBUS/Retu
ARM: OMAP2+: omap2plus_defconfig: enable CMA allocator
ARM: OMAP2+: omap2plus_defconfig: enable TFP410 chip support
ARM: OMAP3: igep0020: simplify GPIO LEDs dependencies
ARM: OMAP2+: craneboard: support the TPS65910 PMU
ARM: OMAP2+: craneboard: support NAND device
ARM: OMAP3: cm-t3517: add MMC support
ARM: OMAP2+: Remove apollon board support
ARM: shmobile: armadillo800eva: set clock rates before timer init
ARM: tegra: defconfig updates
ARM: shmobile: mackerel: Use gpio_request_one()
ARM: shmobile: kzm9g: Use gpio_request_one()
ARM: shmobile: bonito: Use gpio_request_one()
...
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The BeagleBone dev kit uses the built-in RTC module, so
it would be nice to have this built by default in the
omap2plus defconfig.
Signed-off-by: Mark Jackson <mpfj@newflow.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Adds tps65910 PMIC, lis3lv02d accelerometer, tsl2550 ambient light sensor,
tmp275 temperature sensor, matrix keypad, gbio based leds and D_CAN drivers
support. These peripherals are present on AM33XX family of devices (EVM,
BeagleBone and EVMSK). One has to manually enable these support to use the
drivers, so this patch enables all the drivers in omap2plus_defconfig
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The OMAP framebuffer driver now uses the standard dma allocator
instead of the (now removed) omap specific vram allocator.
Enable the Contiguous Memory Allocator by default to allow large
dma memory buffers allocation.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Many OMAP3 based boards such as Beagle, Overo and IGEP use
the TFP410 DPI-to-DVI chip. So, it's good to have it built
as a module by default on OMAP2+ config.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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With multiplatform support enabled we are now always
building in vexpress. Let's enable few drivers also as
this allows us to boot omap2plus zImage in qemu for
testing multiplaform related changes.
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Flip on multiplatform support for omap2+.
No changes to omap2plus_defconfig needed, but please note
that you may need to update your custom config files to
make sure you have:
CONFIG_ARCH_MULTIPLATFORM=y
CONFIG_ARCH_MULTI_V7=y
CONFIG_ARCH_OMAP2PLUS=y
And may need CONFIG_ARCH_MULTI_V6=y if booting omap2 boards.
Cc: Russell King <linux@arm.linux.org.uk>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Many TI OMAP SoC based boards that uses twl4030 as codec have
been updated to use the unified audio driver (omap-twl4030)
since they have similar audio setup.
So, is good to have it built to add audio support to these boards.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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TPS65217 is described in arch/arm/boot/dts/am335x-bone.dts
but doesn't enabled in arch/arm/configs/omap2plus_defconfig.
Enable TPS65217 support in omap2plus_defconfig.
Signed-off-by: Igor Mazanov <i.mazanov@gmail.com>
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Since udev-182, udev no longer creates device nodes under /dev
and this has to be managed by the kernel devtmpfs filesystem.
This means that a kernel built with the current OMAP2+ config
will not boot on a system with a recent udev.
Also, it is good to have /dev automatically mounted since some
non-initramfs based setups assumes this and don't manually mount it.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Santosh Shilimkar<santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Enable CPSW support in defconfig which is present in AM33xx SoC
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Select PINCTRL in Kconfig under Typical OMAP configuration, this
is required to add pinctrl driver to omap2+ family of devices.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
[tony@atomide.com: updated to select pinctrl-single in defconfig]
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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commit 13f30fc893e4610f67dd7a8b0b67aec02eac1775
Author: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sat Apr 21 22:41:10 2012 +0100
mmc: omap: remove private DMA API implementation
removed the private DMA API implementation from the OMAP mmc host to exclusively use the DMA engine API.
Unfortunately OMAP MMC and High Speed MMC host drivers don't support poll mode and only works with DMA.
Since omap2plus_defconfig doesn't enable this feature by default, the
following error is happens on an IGEPv2 Rev.C (and probably on most OMAP boards with MMC support):
[ 2.199981] omap_hsmmc omap_hsmmc.1: unable to obtain RX DMA engine channel 48
[ 2.215087] omap_hsmmc omap_hsmmc.0: unable to obtain RX DMA engine channel 62
Signed-off-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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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 non-critical arm-soc bug fixes from Arnd Bergmann:
"These were submitted as bug fixes before v3.5 but not considered
important enough to be included in it."
* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
ARM:vt8500: Convert to use .restart and remove arch_reset()
ARM: davinci: da8xx: fix interrupt handling
ARM: OMAP2+: fix CONFIG_CPU_IDLE dependency on CONFIG_PM
ARM: mxs/tx28: fix odd include
ARM: OMAP: remove unused cpu detection macros
ARM: OMAP: fix typos related to OMAP330
ARM: OMAP7XX: Remove omap730.h and omap850.h
ARM: OMAP2+: fix naming collision of variable nr_irqs
ARM: OMAP: omap2plus_defconfig: Enable EXT4 support
ARM: OMAP depends on MMU
arm: omap3: am35x: Set proper powerdomain states
ARM: OMAP AM35x: clockdomain data: Fix clockdomain dependencies
ARM: OMAP AM35x: EMAC/MDIO integration: Add Davinci EMAC/MDIO hwmod support
ARM: OMAP: AM35xx: fix UART4 softreset
ARM: OMAP AM35xx: clock and hwmod data: fix UART4 data
ARM: OMAP AM35xx: clock and hwmod data: fix AM35xx HSOTGUSB hwmod
ARM: OMAP: Fix dts files w/ status property: "disable" -> "disabled"
ARM: OMAP: beagle: Set USB Host Port 1 to OMAP_USBHS_PORT_MODE_UNUSED
ARM: OMAP2: twl-common: Fix compiler warning
ARM: OMAP: fix the ads7846 init code
...
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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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The EHCI driver is not stable enough to be enabled by default. In v3.5,
it has at least the following problems:
- warning dump during bootup
- hang during suspend
- prevents CORE powerdomain from entering retention during idle (even
when no USB devices connected.)
This demonstrates that this driver has not been thoroughly tested and
therfore should not be enabled in the default defconfig.
In addition, the problems above cause new PM regressions which need be
addressed before this driver should be enabled in the default
defconfig.
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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On OMAP boards that includes an SD card slot, an EXT4 partition could
be used to store the root file system. So, the kernel should have
built-in support for EXT4 to be able to mount the VFS root on boot.
Signed-off-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Boards like beagle and panda use ehci based smsc95xx lan chips
one has to manually enable these supports to get nfs working
on these boards. So keep these support enable by default.
Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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After commit ffb63e3 (omap2/3/4: Select all omaps and boards by default)
many explicit settings can be dropped from the defconfig.
This shrinks it down a bit more and makes it easier
to patch later on.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Enabling all the display interface options to be built as module
And enabling all the display panels to be built as modules.
Signed-off-by: Samreen <samreen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The omap2plus_defconfig picks default NR_CPU value as 4 which isn't
correct for OMAP4430. Available CPUs are ony 2, so fix the same.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The meaning of CONFIG_EMBEDDED has long since been obsoleted; the option
is used to configure any non-standard kernel with a much larger scope than
only small devices.
This patch renames the option to CONFIG_EXPERT in init/Kconfig and fixes
references to the option throughout the kernel. A new CONFIG_EMBEDDED
option is added that automatically selects CONFIG_EXPERT when enabled and
can be used in the future to isolate options that should only be
considered for embedded systems (RISC architectures, SLOB, etc).
Calling the option "EXPERT" more accurately represents its intention: only
expert users who understand the impact of the configuration changes they
are making should enable it.
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Acked-by: David Woodhouse <david.woodhouse@intel.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Greg KH <gregkh@suse.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Robin Holt <holt@sgi.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With the omap-serial the device has changed from ttyS to ttyO as
the system may have both omap-serial and 8250 ports.
Note that systems using omap-serial need to be updated to use ttyO[012]
instead of ttyS[012] in the bootloader, CONFIG_CMDLINE, /etc/inittab,
and the root file system with mknod. Also you may need to add ttyO[012]
to /etc/securetty.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Disable CPUfreq since
1) is not yet supported in mainline, and
2) the current driver fails to suspend properly
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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In working towards a smaller default kernel, only devices used for
early boot should be built in. Toward that end, build the following
as modules by default:
- bluetooth
- audio: ALSA, ASoC
- WLAN
Uncompressed kernel size comparison:
Before:
text data bss dec hex filename
6557576 465088 5616024 12638688 c0d9e0 vmlinux
After:
text data bss dec hex filename
5616572 436448 5610800 11663820 b1f9cc vmlinux
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We need to enable ARM_ERRATA_411920 for omap2 and
remove the omap2 specific defconfigs.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patch addresses below things
- Renaming existing omap3_defconfig which has OMAP2, OMAP3 and OMAP4 builds
enabled to more appropriate name 'omap2plus_defconfig'
- L1 cache shift is suppose to be 5 on OMAP4 where as it is 6 on previous
OMAPs. Keeping it to 5 is safer option for OMAP4 and previous OMAPs. For
OMAP3 only build the shift would be still 6
- Enable needed Errata's for OMAP4 to work with DMA based device drivers
CONFIG_PL310_ERRATA_588369=y
CONFIG_ARM_ERRATA_720789=y
- Enable the Micrel ethernet controller
CONFIG_KS8851=y
CONFIG_KS8851_MLL=y
With above three changes, OMAP4 ethernet, mmc etc works reliably.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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