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mirror IRQ enable and disable operations on the legacy PPI system
interrupt controller, since the legacy controller is responsible
for responding to wakeup interrupts when the CPU is in LP2 idle mode
save the irq controller state on suspend and restore on resume
Signed-off-by: Gary King <gking@nvidia.com>
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The "legacy irq controller" duplicates the functionality of the GIC,
but remains powered during the cpu suspend and idle modes that power
down the CPU and the GIC.
Signed-off-by: Colin Cross <ccross@android.com>
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Add missing io address map entries from datasheet.
Add the IRAM area to the statically mapped io regions.
Correct the onewire, USB, and statmon addresses
Signed-off-by: Colin Cross <ccross@android.com>
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Some boards that were added after the mass io_pgoffst/io_physio
removal, and were not updated in the original patch. Fixup here.
c.f. original io_pgoffst/io_physio removal
commit 6451d7783ba5ff24eb1a544eaa6665b890f30466
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (278 commits)
arm: remove machine_desc.io_pg_offst and .phys_io
arm: use addruart macro to establish debug mappings
arm: return both physical and virtual addresses from addruart
arm/debug: consolidate addruart macros for CONFIG_DEBUG_ICEDCC
ARM: make struct machine_desc definition coherent with its comment
eukrea_mbimxsd-baseboard: Pass the correct GPIO to gpio_free
cpuimx27: fix compile when ULPI is selected
mach-pcm037_eet: fix compile errors
Fixing ethernet driver compilation error for i.MX31 ADS board
cpuimx51: update board support
mx5: add cpuimx51sd module and its baseboard
iomux-mx51: fix GPIO_1_xx 's IOMUX configuration
imx-esdhc: update devices registration
mx51: add resources for SD/MMC on i.MX51
iomux-mx51: fix SD1 and SD2's iomux configuration
clock-mx51: rename CLOCK1 to CLOCK_CCGR for better readability
clock-mx51: factorize clk_set_parent and clk_get_rate
eukrea_mbimxsd: add support for DVI displays
cpuimx25 & cpuimx35: fix OTG port registration in host mode
i.MX31 and i.MX35 : fix errate TLSbo65953 and ENGcm09472
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* git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-irqflags:
Fix IRQ flag handling naming
MIPS: Add missing #inclusions of <linux/irq.h>
smc91x: Add missing #inclusion of <linux/irq.h>
Drop a couple of unnecessary asm/system.h inclusions
SH: Add missing consts to sys_execve() declaration
Blackfin: Rename IRQ flags handling functions
Blackfin: Add missing dep to asm/irqflags.h
Blackfin: Rename DES PC2() symbol to avoid collision
Blackfin: Split the BF532 BFIN_*_FIO_FLAG() functions to their own header
Blackfin: Split PLL code from mach-specific cdef headers
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* 'next-spi' of git://git.secretlab.ca/git/linux-2.6: (53 commits)
spi/omap2_mcspi: Verify TX reg is empty after TX only xfer with DMA
spi/omap2_mcspi: disable channel after TX_ONLY transfer in PIO mode
spi/bfin_spi: namespace local structs
spi/bfin_spi: init early
spi/bfin_spi: check per-transfer bits_per_word
spi/bfin_spi: warn when CS is driven by hardware (CPHA=0)
spi/bfin_spi: cs should be always low when a new transfer begins
spi/bfin_spi: fix typo in comment
spi/bfin_spi: reject unsupported SPI modes
spi/bfin_spi: use dma_disable_irq_nosync() in irq handler
spi/bfin_spi: combine duplicate SPI_CTL read/write logic
spi/bfin_spi: reset ctl_reg bits when setup is run again on a device
spi/bfin_spi: push all size checks into the transfer function
spi/bfin_spi: use nosync when disabling the IRQ from the IRQ handler
spi/bfin_spi: sync hardware state before reprogramming everything
spi/bfin_spi: save/restore state when suspending/resuming
spi/bfin_spi: redo GPIO CS handling
Blackfin: SPI: expand SPI bitmasks
spi/bfin_spi: use the SPI namespaced bit names
spi/bfin_spi: drop extra memory we don't need
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (96 commits)
apic, x86: Use BIOS settings for IBS and MCE threshold interrupt LVT offsets
apic, x86: Check if EILVT APIC registers are available (AMD only)
x86: ioapic: Call free_irte only if interrupt remapping enabled
arm: Use ARCH_IRQ_INIT_FLAGS
genirq, ARM: Fix boot on ARM platforms
genirq: Fix CONFIG_GENIRQ_NO_DEPRECATED=y build
x86: Switch sparse_irq allocations to GFP_KERNEL
genirq: Switch sparse_irq allocator to GFP_KERNEL
genirq: Make sparse_lock a mutex
x86: lguest: Use new irq allocator
genirq: Remove the now unused sparse irq leftovers
genirq: Sanitize dynamic irq handling
genirq: Remove arch_init_chip_data()
x86: xen: Sanitise sparse_irq handling
x86: Use sane enumeration
x86: uv: Clean up the direct access to irq_desc
x86: Make io_apic.c local functions static
genirq: Remove irq_2_iommu
x86: Speed up the irq_remapped check in hot pathes
intr_remap: Simplify the code further
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Fix up trivial conflicts in arch/x86/Kconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (163 commits)
tracing: Fix compile issue for trace_sched_wakeup.c
[S390] hardirq: remove pointless header file includes
[IA64] Move local_softirq_pending() definition
perf, powerpc: Fix power_pmu_event_init to not use event->ctx
ftrace: Remove recursion between recordmcount and scripts/mod/empty
jump_label: Add COND_STMT(), reducer wrappery
perf: Optimize sw events
perf: Use jump_labels to optimize the scheduler hooks
jump_label: Add atomic_t interface
jump_label: Use more consistent naming
perf, hw_breakpoint: Fix crash in hw_breakpoint creation
perf: Find task before event alloc
perf: Fix task refcount bugs
perf: Fix group moving
irq_work: Add generic hardirq context callbacks
perf_events: Fix transaction recovery in group_sched_in()
perf_events: Fix bogus AMD64 generic TLB events
perf_events: Fix bogus context time tracking
tracing: Remove parent recording in latency tracer graph options
tracing: Use one prologue for the preempt irqs off tracer function tracers
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Conflicts:
arch/arm/mach-davinci/board-da830-evm.c
arch/arm/mach-davinci/board-da850-evm.c
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/core/dev.c
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Since we're now using addruart to establish the debug mapping, we can
remove the io_pg_offst and phys_io members of struct machine_desc.
The various declarations were removed using the following script:
grep -rl MACHINE_START arch/arm | xargs \
sed -i '/MACHINE_START/,/MACHINE_END/ { /\.\(phys_io\|io_pg_offst\)/d }'
[ Initial patch was from Jeremy Kerr, example script from Russell King ]
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Eric Miao <eric.miao at canonical.com>
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Since we can get both physical and virtual addresses from the addruart
macro, we can use this to establish the debug mappings.
In the case of CONFIG_DEBUG_ICEDCC, we don't need any mappings, but
may still need to setup r7 correctly.
Incorporating ASM changes from Nicolas Pitre <npitre@fluxnic.net>.
Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Tested-by: Kevin Hilman <khilman@deeprootsystems.com>
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Rather than checking the MMU status in every instance of addruart, do it
once in kernel/debug.S, and change the existing addruart macros to
return both physical and virtual addresses. The main debug code can then
select the appropriate address to use.
This will also allow us to retreive the address of a uart for the MMU
state that we're not current in.
Updated with fixes for OMAP from Jason Wang <jason77.wang@gmail.com>
and Tony Lindgren <tony@atomide.com>, and fix for versatile express from
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>.
Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Jason Wang <jason77.wang@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tested-by: Kevin Hilman <khilman@deeprootsystems.com>
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We have the same (empty) macro for all IDEDCC flavours, so consolidate
it to one.
Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
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As mentioned in the comment right at the top, the first four fields
are directly accessed by assembly code in head.S. Move nr_irqs so the
comment is true again.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
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Merge reason: update to almost-final-.36
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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devel-stable
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into devel-stable
Conflicts:
arch/arm/mach-at91/include/mach/system.h
arch/arm/mach-imx/mach-cpuimx27.c
AT91 conflict resolution:
Acked-by: Anders Larsen <al@alarsen.net>
IMX conflict resolution confirmed by Uwe Kleine-König.
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git://codeaurora.org/quic/kernel/dwalker/linux-msm into devel-stable
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Pass the correct GPIO to gpio_free
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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without this patch we get :
arch/arm/mach-imx/built-in.o: In function `eukrea_cpuimx27_init':
eukrea_mbimx27-baseboard.c:(.init.text+0x44c): undefined reference to `mxc_ulpi_access_ops'
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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this patch fix the following errors :
arch/arm/mach-mx3/mach-pcm037_eet.c:62: error: implicit declaration of function 'MXC_SPI_CS'
arch/arm/mach-mx3/mach-pcm037_eet.c:185: error: implicit declaration of function 'imx35_add_spi_imx0'
from the Kconfig pcm037 is i.MX31 based and not i.MX35 so replace
imx35_add_spi_imx0 by imx31_add_spi_imx0
Signed-off-by: Eric Bénard <eric@eukrea.com>
[ukl: remove unneeded #include <mach/spi.h>]
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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This is only a partial revert of "ARM: mx3/mx31ads: fold board
header in its only user"
[commit ccfa7c269843001077df02d98918c6c9bde91395)]
As some of the the board defines are also used in the cs89x0
ethernet driver by the i.MX31 ADS.
Signed-off-by: Ian Lartey <ian@opensource.wolfsonmicro.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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add NAND, SDHC
Signed-off-by: Eric Bénard <eric@eukrea.com>
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Signed-off-by: Eric Bénard <eric@eukrea.com>
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this patch really configure the GPIO in GPIO mode.
Signed-off-by: Eric Bénard <eric@eukrea.com>
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Tested on i.MX25 and i.MX35 and i.MX51
Signed-off-by: Eric Bénard <eric@eukrea.com>
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the attached patch allows SD to work on i.MX51 with Wolfram's drivers
Tested on i.MX51.
Based on original patch from: Richard Zhu <r65037@freescale.com>
Signed-off-by: Eric Bénard <eric@eukrea.com>
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Based on original patch from: Richard Zhu <r65037@freescale.com>
Signed-off-by: Eric Bénard <eric@eukrea.com>
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Signed-off-by: Eric Bénard <eric@eukrea.com>
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Signed-off-by: Eric Bénard <eric@eukrea.com>
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Signed-off-by: Eric Bénard <eric@eukrea.com>
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the PHY is UTMI so don't create an ULPI viewpoint.
Signed-off-by: Eric Bénard <eric@eukrea.com>
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Without this exiting WFI can result in cache corruption.
Code taken from Freescale's 2.6.27 BSP and tested on i.MX35
Signed-off-by: Eric Bénard <eric@eukrea.com>
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this patch fix the following errors :
arch/arm/plat-mxc/devices/platform-imx-dma.c:44:
error: ‘MX25_SDMA_BASE_ADDR’ undeclared here (not in a function)
arch/arm/plat-mxc/devices/platform-imx-dma.c:44:
error: ‘MX25_INT_SDMA’ undeclared here (not in a function)
Signed-off-by: Eric Bénard <eric@eukrea.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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* get_rate_arm : when 400MHz clock is selected (cctl & 1<<14),
ARM clock is 400MHz (MPLL * 3 / 4) and not 800MHz
* get_rate_per : peripherals's clock is derived from AHB and not
from IPG (ref manual : figure 5-1)
* can2_clk : use the correct ID
* without this patch, peripherals getting their clock from PER
clocks work fine because of the 2 errors which fix themselves
(ARM clock x 2 and per clock actually based on IPG which is AHB/2)
but flexcan can't work as it gets its clock from IPG and thus
calculates its bitrate using a reference value which is twice
what it really is.
Signed-off-by: Eric Bénard <eric@eukrea.com>
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During the reorganisation of the imx-i2c devices
(in 64de5ec168d9743903e6ec482c3e9f37af49f9c1) the 3rd imx-i2c device
for the mx35 got lost. This patch adds the missing device.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add IRAM(Internal RAM) allocation functions using GENERIC_ALLOCATOR.
The allocation size is 4KB multiples to guarantee alignment. The
idea for these functions is for i.MX platforms to use them
to dynamically allocate IRAM usage.
Applies on 2.6.36-rc7
Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Reviewed-by: Amit Kucheria <amit.kucheria@canonical.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch fixes build error about GPIO address due to
conflict of commit 4d914705 and 19a2c065.
- commit 4d914705: Fix on GPIO base addresses
- commit 19a2c065: Moves initial map for merging S5P64X0
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Conflicts:
arch/arm/kernel/head-common.S
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'st-ux' and 'unwind' into devel
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version.
Update Kconfig text accordingly.
Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Provide a mechanism that allows running code in IRQ context. It is
most useful for NMI code that needs to interact with the rest of the
system -- like wakeup a task to drain buffers.
Perf currently has such a mechanism, so extract that and provide it as
a generic feature, independent of perf so that others may also
benefit.
The IRQ context callback is generated through self-IPIs where
possible, or on architectures like powerpc the decrementer (the
built-in timer facility) is set to generate an interrupt immediately.
Architectures that don't have anything like this get to do with a
callback from the timer tick. These architectures can call
irq_work_run() at the tail of any IRQ handlers that might enqueue such
work (like the perf IRQ handler) to avoid undue latencies in
processing the work.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
[ various fixes ]
Signed-off-by: Huang Ying <ying.huang@intel.com>
LKML-Reference: <1287036094.7768.291.camel@yhuang-dev>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Merge reason: Update to almost-final-.36
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin into spi/next
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git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel-stable
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This patch adds header <linux/sched.h> into the below files for build with
CONFIG_PREEMPT_NONE.
arch/arm/mach-s5p64x0/cpu.c
Signed-off-by: Seung-Chull Suh <sc.suh@samsung.com>
[kgene.kim@samsung.com: edited title and message]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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The patch removes s3c_gpio_lock/unlock to avoid acquiring the lock
recursively as lock is already acquired by calling function.
Signed-off-by: Atul Dahiya <atul.dahiya@samsung.com>
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
[kgene.kim@samsung.com: removed useless variable due to this]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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