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* tegra/soc:
arm/tegra: Compile tegra_dt_init_irq only when CONFIG_OF
arm/tegra: Make MACH_TEGRA_DT depend on ARCH_TEGRA_2x_SOC
arm/tegra: Delete tegra_init_clock()
arm/tegra: Fix section mismatch errors in tegra30 pinmux
arm/tegra: Fix section mismatch errors in tegra20 pinmux
arm/tegra: refresh defconfig for tegra30
arm/tegra: add support for tegra30 based board cardhu
arm/tegra: implement support for tegra30
arm/tegra: pinmux tables and definitions for tegra30
arm/tegra: add new fields to struct tegra_pingroup_desc
arm/tegra: prepare pinmux code for multiple tegra variants
arm/tegra: rename tegra20 pinmux files
arm/tegra: generalize L2 cache initialization
arm/tegra: use PMC reset
arm/tegra: rename board-dt.c to board-dt-tegra20.c
arm/tegra: prepare early init for multiple tegra variants
arm/tegra: don't export clk_measure_input_freq
arm/tegra: prepare clock code for multiple tegra variants
arm/tegra: cleanup tegra20 support
arm/tegra: clk_get should not be fatal
Conflicts:
arch/arm/mach-tegra/board-dt-tegra20.c
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Dependencies for tegra/soc branch
Conflicts:
arch/arm/mach-tegra/board-dt.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/olof/tegra into tegra/soc
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git://git.kernel.org/pub/scm/linux/kernel/git/olof/tegra into tegra/dt
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This fixes a build break attempting to build a Tegra20-only kernel
without device tree enabled.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Now that Tegra20 and Tegra30 device tree board files are separate,
MACH_TEGRA_DT (which enables the Tegra20 device tree board file) should
depend on Tegra20 support being enabled.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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tegra_init_clock() is written to call tegra2_init_clocks(), which only
exists if Tegra20 support is enabled. This breaks the build of a
Tegra30-only kernel.
tegra_init_clock() isn't actually used any more; tegra20_init_early()
calls tegra2_init_clocks() directly. So, just delete this function.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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tegra30_pinmux_init() is called from the pinmux's probe() function, and
hence should be __devinit not __init.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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tegra20_pinmux_init() is called from the pinmux's probe() function, and
hence should be __devinit not __init.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Update the defconfig for tegra due to the addition of tegra30 and rename
of t20/t30 options.
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Stephen Warren <swarren@nvidia.com>
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This brings all the GPIO key definitions from board-seaboard.c into
tegra-seaboard.dtsi.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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The ADT7461 is a temperature monitoring IC. One is present on the DVC
I2C bus on Seaboard.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Update the device tree to indicate which I2C controller is the DVC
controller. AUXDATA needs to be updated too, since the compatible
value changed.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Add support for the tegra30 based cardhu development board. Cardhu is a tablet
formfactor reference design for tegra30. The patch provides a device tree for
the board, updates Makefile.boot to build the dtb, includes the platform in
Kconfig and updates board-dt.c.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Add support for tegra30 SoC. This includes a device tree compatible type for
this SoC ("nvidia,tegra30") and adds L2 cache initialization for this new SoC.
The clock framework is still missing, which prevents most drivers from working.
The basic IRQs are the same, so remove the dependency on
CONFIG_ARCH_TEGRA_2x_SOC.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Define the pinmuxing and pindrive tables for tegra30. The pinmux table defines
the available functions for each pinmux group. The pindrive table defines the
default pullup or pulldowns for each group.
Derived from code by Scott Williams (scwilliams@nvidia.com)
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Add new fields to struct tegra_pingroup_desc to support new hardware features
introduced in the tegra30 SoC. The pinmux driver won't use those fields yet,
but the tegra30 pinmux tables will already provide the necessary data.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patch modifies the pinmux code to be useable for multiple tegra variants.
Some tegra20 specific constants will be replaced by variables which will be
initialized to the appropriate value at runtime.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Rename pinmux-t2.h and pinmux-t2-tables.c to the new tegra naming. This file
will be reworked somewhat in the next patch to support multiple tegra SoC
types.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Generalize L2 cache initialization and discover L2 cache associativity at
runtime.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Use PMC reset rather then CAR system reset as recommended by the hardware
team.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Tegra20 based boards will be handled by the current board-dt.c file. Tegra30
based boards will be handled by a new board-dt-tegra30.c file. Hence rename
the existing board-dt.c to board-dt-tegra20.c to reflect its use.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patch splits the early init code in a common and a tegra20 specific part.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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don't export clk_measure_input_freq as its functionality is also available
using clk_get_rate().
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Rework the tegra20 clock code to support multiple tegra variants :
* remove tegra2_periph_reset_assert/tegra2_periph_reset_deassert. This
functionality should be in clock.c.
* remove tegra_sdmmc_tap_delay and export tegra2_sdmmc_tap_delay
directly. This feature is handled inside the sdmmc block from tegra30
onwards. So there is no need for support in the clock code beyond
tegra20. There are no in tree users of this function.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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* add a dependency to ARCH_TEGRA_2x_SOC in Kconfig to all tegra20 based boards
and TEGRA_PCI
* make powergating dependent on ARCH_TEGRA_2x_SOC
* remove dependency on ARCH_TEGRA_2x_SOC for clock.c
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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The timer and rtc-timer clocks aren't gated by default, so there is no reason
to crash the system if the dummy enable call failed.
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Conflicts:
arch/arm/mach-tegra/board-dt.c
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patch adds the initial device tree for tegra30
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into omap/soc
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This patch adds cpu type, macros for identification of TI814X device.
Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
[tony@atomide.com: left out CK_TI814X for now]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patch updates existing macros, functions used for TI816X, to enable
addition of other SoCs belonging to TI81XX family (e.g., TI814X).
The approach taken is to use TI81XX/ti81xx for code/data going to be common
across all TI81XX devices.
cpu_is_ti81xx() is introduced to handle code common across TI81XX devices.
In addition, ti8168_evm_map_io() is now replaced with ti81xx_map_io() and moved
in mach-omap2/common.c as same will be used for TI814X and is not board
specific.
Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add support for detection of the next chip in the OMAP4 family: OMAP4470 ES1.0
For more details on OMAP4470, visit:
http://focus.ti.com/general/docs/wtbu/wtbuproductcontent.tsp?templateId=6123&navigationId=12869&contentId=123362
Signed-off-by: Leonid Iziumtsev <x0153368@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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allow for the omap4430 es2.3 revision to be recognized in the
omap4_check_revision() function.
most aspects of all omap4430 es2.x versions are identical, however
a number of small variations such as default pullup or pulldown
resistor configurations vary between revisions.
detailed information on silicon errata for omap4430 revisions can
be found at http://focus.ti.com/pdfs/wtbu/swpz009D.pdf
Signed-off-by: David Anders <x0132446@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patch updates the common machine specific source files for
support for AM33XX/AM335x with cpu type, macros for identification of
AM33XX/AM335X device.
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
[tony@atomide.com: updated for map_io and common.h changes, dropped CK_AM33XX]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This patch updates the common platform files with AM335X device
support (AM33XX family).
The approach taken in this patch is,
AM33XX device will be considered as OMAP3 variant, and a separate
SoC class created for AM33XX family of devices with a subclass type
for AM335X device, which is newly added device in the family.
This means, cpu_is_omap34xx(), cpu_is_am33xx() and cpu_is_am335x()
checks will return success on AM335X device.
A kernel config option CONFIG_SOC_OMAPAM33XX is added under OMAP3
to include support for AM33XX build.
Also, cpu_mask and RATE_IN_XXX flags have crossed 8 bit hence
struct clksel_rate.flags, struct prcm_config.flags and cpu_mask
are changed to u16 from u8.
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Hemant Pedanekar <hemantp@ti.com>
[tony@atomide.com: left out CK_AM33XX for now]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Now that there is a common way to reset the machine, let's use it
instead of reinventing the wheel in the kexec backend.
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Sending IPI_CPU_STOP to a CPU causes it to execute a busy cpu_relax
loop forever. This makes it impossible to kexec successfully on an SMP
system since the secondary CPUs do not reset.
This patch adds a callback to platform_cpu_kill, defined when
CONFIG_HOTPLUG_CPU=y, from the ipi_cpu_stop handling code. This function
currently just returns 1 on all platforms that define it but allows them
to do something more sophisticated in the future.
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Tools such as kexec and CPU hotplug require a way to reset the processor
and branch to some code in physical space. This requires various bits of
jiggery pokery with the caches and MMU which, when it goes wrong, tends
to lock up the system.
This patch fleshes out the soft_restart implementation so that it
branches to the reset code using the identity mapping. This requires us
to change to a temporary stack, held within the kernel image as a static
array, to avoid conflicting with the new view of memory.
Signed-off-by: Will Deacon <will.deacon@arm.com>
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When disabling the MMU, it is necessary to take out a 1:1 identity map
of the reset code so that it can safely be executed with and without
the MMU active. To avoid the situation where the physical address of the
reset code aliases with the virtual address of the active stack (which
cannot be included in the 1:1 mapping), it is desirable to change to a
new stack at a location which is less likely to alias.
This code adds a new lib function, call_with_stack:
void call_with_stack(void (*fn)(void *), void *arg, void *sp);
which changes the stack to point at the sp parameter, before invoking
fn(arg) with the new stack selected.
Reviewed-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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When probing the VIC, the ST variant has a different probing method to
account for the extra interrupts which meant we didn't previously call
vic_register() which registered the irq_domain.
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* git://git.samba.org/sfrench/cifs-2.6:
cifs: check for NULL last_entry before calling cifs_save_resume_key
cifs: attempt to freeze while looping on a receive attempt
cifs: Fix sparse warning when calling cifs_strtoUCS
CIFS: Add descriptions to the brlock cache functions
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, efi: Calling __pa() with an ioremap()ed address is invalid
x86, hpet: Immediately disable HPET timer 1 if rtc irq is masked
x86/intel_mid: Kconfig select fix
x86/intel_mid: Fix the Kconfig for MID selection
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* 'spi/for-3.2' of git://git.pengutronix.de/git/wsa/linux-2.6:
spi/gpio: fix section mismatch warning
spi/fsl-espi: disable CONFIG_SPI_FSL_ESPI=m build
spi/nuc900: Include linux/module.h
spi/ath79: fix compile error due to missing include
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* 'for-linus' of git://neil.brown.name/md:
md: raid5 crash during degradation
md/raid5: never wait for bad-block acks on failed device.
md: ensure new badblocks are handled promptly.
md: bad blocks shouldn't cause a Blocked status on a Faulty device.
md: take a reference to mddev during sysfs access.
md: refine interpretation of "hold_active == UNTIL_IOCTL".
md/lock: ensure updates to page_attrs are properly locked.
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* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
arch/tile: use new generic {enable,disable}_percpu_irq() routines
drivers/net/ethernet/tile: use skb_frag_page() API
asm-generic/unistd.h: support new process_vm_{readv,write} syscalls
arch/tile: fix double-free bug in homecache_free_pages()
arch/tile: add a few #includes and an EXPORT to catch up with kernel changes.
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
* 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
MAINTAINERS: Update amd-iommu F: patterns
iommu/amd: Fix typo in kernel-parameters.txt
iommu/msm: Fix compile error in mach-msm/devices-iommu.c
Fix comparison using wrong pointer variable in dma debug code
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - Fix lost speaker volume controls
ALSA: hda/realtek - Create "Bass Speaker" for two speaker pins
ALSA: hda/realtek - Don't create extra controls with channel suffix
ALSA: hda - Fix remaining VREF mute-LED NID check in post-3.1 changes
ALSA: hda - Fix GPIO LED setup for IDT 92HD75 codecs
ASoC: Provide a more complete DMA driver stub
ASoC: Remove references to corgi and spitz from machine driver document
ASoC: Make SND_SOC_MX27VIS_AIC32X4 depend on I2C
ASoC: Fix dependency for SND_SOC_RAUMFELD and SND_PXA2XX_SOC_HX4700
ASoC: uda1380: Return proper error in uda1380_modinit failure path
ASoC: kirkwood: Make SND_KIRKWOOD_SOC_OPENRD and SND_KIRKWOOD_SOC_T5325 depend on I2C
ASoC: Mark WM8994 ADC muxes as virtual
ALSA: hda/realtek - Fix Oops in alc_mux_select()
ALSA: sis7019 - give slow codecs more time to reset
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