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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

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Paul Mundt 2010-05-31 13:14:26 +09:00
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20
Documentation/ABI/testing/sysfs-class-power Normal file
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@ -0,0 +1,20 @@
What: /sys/class/power/ds2760-battery.*/charge_now
Date: May 2010
KernelVersion: 2.6.35
Contact: Daniel Mack <daniel@caiaq.de>
Description:
This file is writeable and can be used to set the current
coloumb counter value inside the battery monitor chip. This
is needed for unavoidable corrections of aging batteries.
A userspace daemon can monitor the battery charging logic
and once the counter drops out of considerable bounds, take
appropriate action.
What: /sys/class/power/ds2760-battery.*/charge_full
Date: May 2010
KernelVersion: 2.6.35
Contact: Daniel Mack <daniel@caiaq.de>
Description:
This file is writeable and can be used to set the assumed
battery 'full level'. As batteries age, this value has to be
amended over time.

7
Documentation/ABI/testing/sysfs-devices-node Normal file
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@ -0,0 +1,7 @@
What: /sys/devices/system/node/nodeX/compact
Date: February 2010
Contact: Mel Gorman <mel@csn.ul.ie>
Description:
When this file is written to, all memory within that node
will be compacted. When it completes, memory will be freed
into blocks which have as many contiguous pages as possible

15
Documentation/ABI/testing/sysfs-firmware-sfi Normal file
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@ -0,0 +1,15 @@
What: /sys/firmware/sfi/tables/
Date: May 2010
Contact: Len Brown <lenb@kernel.org>
Description:
SFI defines a number of small static memory tables
so the kernel can get platform information from firmware.
The tables are defined in the latest SFI specification:
http://simplefirmware.org/documentation
While the tables are used by the kernel, user-space
can observe them this way:
# cd /sys/firmware/sfi/tables
# cat $TABLENAME > $TABLENAME.bin

79
Documentation/DMA-API-HOWTO.txt
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@ -639,6 +639,36 @@ is planned to completely remove virt_to_bus() and bus_to_virt() as
they are entirely deprecated. Some ports already do not provide these
as it is impossible to correctly support them.
Handling Errors
DMA address space is limited on some architectures and an allocation
failure can be determined by:
- checking if dma_alloc_coherent returns NULL or dma_map_sg returns 0
- checking the returned dma_addr_t of dma_map_single and dma_map_page
by using dma_mapping_error():
dma_addr_t dma_handle;
dma_handle = dma_map_single(dev, addr, size, direction);
if (dma_mapping_error(dev, dma_handle)) {
/*
* reduce current DMA mapping usage,
* delay and try again later or
* reset driver.
*/
}
Networking drivers must call dev_kfree_skb to free the socket buffer
and return NETDEV_TX_OK if the DMA mapping fails on the transmit hook
(ndo_start_xmit). This means that the socket buffer is just dropped in
the failure case.
SCSI drivers must return SCSI_MLQUEUE_HOST_BUSY if the DMA mapping
fails in the queuecommand hook. This means that the SCSI subsystem
passes the command to the driver again later.
Optimizing Unmap State Space Consumption
On many platforms, dma_unmap_{single,page}() is simply a nop.
@ -703,42 +733,25 @@ to "Closing".
1) Struct scatterlist requirements.
Struct scatterlist must contain, at a minimum, the following
members:
Don't invent the architecture specific struct scatterlist; just use
<asm-generic/scatterlist.h>. You need to enable
CONFIG_NEED_SG_DMA_LENGTH if the architecture supports IOMMUs
(including software IOMMU).
struct page *page;
unsigned int offset;
unsigned int length;
2) ARCH_KMALLOC_MINALIGN
The base address is specified by a "page+offset" pair.
Architectures must ensure that kmalloc'ed buffer is
DMA-safe. Drivers and subsystems depend on it. If an architecture
isn't fully DMA-coherent (i.e. hardware doesn't ensure that data in
the CPU cache is identical to data in main memory),
ARCH_KMALLOC_MINALIGN must be set so that the memory allocator
makes sure that kmalloc'ed buffer doesn't share a cache line with
the others. See arch/arm/include/asm/cache.h as an example.
Previous versions of struct scatterlist contained a "void *address"
field that was sometimes used instead of page+offset. As of Linux
2.5., page+offset is always used, and the "address" field has been
deleted.
2) More to come...
Handling Errors
DMA address space is limited on some architectures and an allocation
failure can be determined by:
- checking if dma_alloc_coherent returns NULL or dma_map_sg returns 0
- checking the returned dma_addr_t of dma_map_single and dma_map_page
by using dma_mapping_error():
dma_addr_t dma_handle;
dma_handle = dma_map_single(dev, addr, size, direction);
if (dma_mapping_error(dev, dma_handle)) {
/*
* reduce current DMA mapping usage,
* delay and try again later or
* reset driver.
*/
}
Note that ARCH_KMALLOC_MINALIGN is about DMA memory alignment
constraints. You don't need to worry about the architecture data
alignment constraints (e.g. the alignment constraints about 64-bit
objects).
Closing

2
Documentation/DocBook/mtdnand.tmpl
View file

@ -269,7 +269,7 @@ static void board_hwcontrol(struct mtd_info *mtd, int cmd)
information about the device.
</para>
<programlisting>
int __init board_init (void)
static int __init board_init (void)
{
struct nand_chip *this;
int err = 0;

12
Documentation/SubmitChecklist
View file

@ -18,6 +18,8 @@ kernel patches.
2b: Passes allnoconfig, allmodconfig
2c: Builds successfully when using O=builddir
3: Builds on multiple CPU architectures by using local cross-compile tools
or some other build farm.
@ -95,3 +97,13 @@ kernel patches.
25: If any ioctl's are added by the patch, then also update
Documentation/ioctl/ioctl-number.txt.
26: If your modified source code depends on or uses any of the kernel
APIs or features that are related to the following kconfig symbols,
then test multiple builds with the related kconfig symbols disabled
and/or =m (if that option is available) [not all of these at the
same time, just various/random combinations of them]:
CONFIG_SMP, CONFIG_SYSFS, CONFIG_PROC_FS, CONFIG_INPUT, CONFIG_PCI,
CONFIG_BLOCK, CONFIG_PM, CONFIG_HOTPLUG, CONFIG_MAGIC_SYSRQ,
CONFIG_NET, CONFIG_INET=n (but latter with CONFIG_NET=y)

5
Documentation/SubmittingDrivers
View file

@ -130,6 +130,8 @@ Linux kernel master tree:
ftp.??.kernel.org:/pub/linux/kernel/...
?? == your country code, such as "us", "uk", "fr", etc.
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git
Linux kernel mailing list:
linux-kernel@vger.kernel.org
[mail majordomo@vger.kernel.org to subscribe]
@ -160,3 +162,6 @@ How to NOT write kernel driver by Arjan van de Ven:
Kernel Janitor:
http://janitor.kernelnewbies.org/
GIT, Fast Version Control System:
http://git-scm.com/

59
Documentation/acpi/apei/einj.txt Normal file
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@ -0,0 +1,59 @@
APEI Error INJection
~~~~~~~~~~~~~~~~~~~~
EINJ provides a hardware error injection mechanism
It is very useful for debugging and testing of other APEI and RAS features.
To use EINJ, make sure the following are enabled in your kernel
configuration:
CONFIG_DEBUG_FS
CONFIG_ACPI_APEI
CONFIG_ACPI_APEI_EINJ
The user interface of EINJ is debug file system, under the
directory apei/einj. The following files are provided.
- available_error_type
Reading this file returns the error injection capability of the
platform, that is, which error types are supported. The error type
definition is as follow, the left field is the error type value, the
right field is error description.
0x00000001 Processor Correctable
0x00000002 Processor Uncorrectable non-fatal
0x00000004 Processor Uncorrectable fatal
0x00000008 Memory Correctable
0x00000010 Memory Uncorrectable non-fatal
0x00000020 Memory Uncorrectable fatal
0x00000040 PCI Express Correctable
0x00000080 PCI Express Uncorrectable fatal
0x00000100 PCI Express Uncorrectable non-fatal
0x00000200 Platform Correctable
0x00000400 Platform Uncorrectable non-fatal
0x00000800 Platform Uncorrectable fatal
The format of file contents are as above, except there are only the
available error type lines.
- error_type
This file is used to set the error type value. The error type value
is defined in "available_error_type" description.
- error_inject
Write any integer to this file to trigger the error
injection. Before this, please specify all necessary error
parameters.
- param1
This file is used to set the first error parameter value. Effect of
parameter depends on error_type specified. For memory error, this is
physical memory address.
- param2
This file is used to set the second error parameter value. Effect of
parameter depends on error_type specified. For memory error, this is
physical memory address mask.
For more information about EINJ, please refer to ACPI specification
version 4.0, section 17.5.

81
Documentation/arm/Samsung-S3C24XX/GPIO.txt
View file

@ -12,6 +12,8 @@ Introduction
of the s3c2410 GPIO system, please read the Samsung provided
data-sheet/users manual to find out the complete list.
See Documentation/arm/Samsung/GPIO.txt for the core implemetation.
GPIOLIB
-------
@ -24,8 +26,60 @@ GPIOLIB
listed below will be removed (they may be marked as __deprecated
in the near future).
- s3c2410_gpio_getpin
- s3c2410_gpio_setpin
The following functions now either have a s3c_ specific variant
or are merged into gpiolib. See the definitions in
arch/arm/plat-samsung/include/plat/gpio-cfg.h:
s3c2410_gpio_setpin() gpio_set_value() or gpio_direction_output()
s3c2410_gpio_getpin() gpio_get_value() or gpio_direction_input()
s3c2410_gpio_getirq() gpio_to_irq()
s3c2410_gpio_cfgpin() s3c_gpio_cfgpin()
s3c2410_gpio_getcfg() s3c_gpio_getcfg()
s3c2410_gpio_pullup() s3c_gpio_setpull()
GPIOLIB conversion
------------------
If you need to convert your board or driver to use gpiolib from the exiting
s3c2410 api, then here are some notes on the process.
1) If your board is exclusively using an GPIO, say to control peripheral
power, then it will require to claim the gpio with gpio_request() before
it can use it.
It is recommended to check the return value, with at least WARN_ON()
during initialisation.
2) The s3c2410_gpio_cfgpin() can be directly replaced with s3c_gpio_cfgpin()
as they have the same arguments, and can either take the pin specific
values, or the more generic special-function-number arguments.
3) s3c2410_gpio_pullup() changs have the problem that whilst the
s3c2410_gpio_pullup(x, 1) can be easily translated to the
s3c_gpio_setpull(x, S3C_GPIO_PULL_NONE), the s3c2410_gpio_pullup(x, 0)
are not so easy.
The s3c2410_gpio_pullup(x, 0) case enables the pull-up (or in the case
of some of the devices, a pull-down) and as such the new API distinguishes
between the UP and DOWN case. There is currently no 'just turn on' setting
which may be required if this becomes a problem.
4) s3c2410_gpio_setpin() can be replaced by gpio_set_value(), the old call
does not implicitly configure the relevant gpio to output. The gpio
direction should be changed before using gpio_set_value().
5) s3c2410_gpio_getpin() is replaceable by gpio_get_value() if the pin
has been set to input. It is currently unknown what the behaviour is
when using gpio_get_value() on an output pin (s3c2410_gpio_getpin
would return the value the pin is supposed to be outputting).
6) s3c2410_gpio_getirq() should be directly replacable with the
gpio_to_irq() call.
The s3c2410_gpio and gpio_ calls have always operated on the same gpio
numberspace, so there is no problem with converting the gpio numbering
between the calls.
Headers
@ -54,6 +108,11 @@ PIN Numbers
eg S3C2410_GPA(0) or S3C2410_GPF(1). These defines are used to tell
the GPIO functions which pin is to be used.
With the conversion to gpiolib, there is no longer a direct conversion
from gpio pin number to register base address as in earlier kernels. This
is due to the number space required for newer SoCs where the later
GPIOs are not contiguous.
Configuring a pin
-----------------
@ -71,6 +130,8 @@ Configuring a pin
which would turn GPA(0) into the lowest Address line A0, and set
GPE(8) to be connected to the SDIO/MMC controller's SDDAT1 line.
The s3c_gpio_cfgpin() call is a functional replacement for this call.
Reading the current configuration
---------------------------------
@ -82,6 +143,9 @@ Reading the current configuration
The return value will be from the same set of values which can be
passed to s3c2410_gpio_cfgpin().
The s3c_gpio_getcfg() call should be a functional replacement for
this call.
Configuring a pull-up resistor
------------------------------
@ -95,6 +159,10 @@ Configuring a pull-up resistor
Where the to value is zero to set the pull-up off, and 1 to enable
the specified pull-up. Any other values are currently undefined.
The s3c_gpio_setpull() offers similar functionality, but with the
ability to encode whether the pull is up or down. Currently there
is no 'just on' state, so up or down must be selected.
Getting the state of a PIN
--------------------------
@ -106,6 +174,9 @@ Getting the state of a PIN
This will return either zero or non-zero. Do not count on this
function returning 1 if the pin is set.
This call is now implemented by the relevant gpiolib calls, convert
your board or driver to use gpiolib.
Setting the state of a PIN
--------------------------
@ -117,6 +188,9 @@ Setting the state of a PIN
Which sets the given pin to the value. Use 0 to write 0, and 1 to
set the output to 1.
This call is now implemented by the relevant gpiolib calls, convert
your board or driver to use gpiolib.
Getting the IRQ number associated with a PIN
--------------------------------------------
@ -128,6 +202,9 @@ Getting the IRQ number associated with a PIN
Note, not all pins have an IRQ.
This call is now implemented by the relevant gpiolib calls, convert
your board or driver to use gpiolib.
Authour
-------

15
Documentation/arm/Samsung-S3C24XX/Overview.txt
View file

@ -8,10 +8,16 @@ Introduction
The Samsung S3C24XX range of ARM9 System-on-Chip CPUs are supported
by the 's3c2410' architecture of ARM Linux. Currently the S3C2410,
S3C2412, S3C2413, S3C2440, S3C2442 and S3C2443 devices are supported.
S3C2412, S3C2413, S3C2416 S3C2440, S3C2442, S3C2443 and S3C2450 devices
are supported.
Support for the S3C2400 and S3C24A0 series are in progress.
The S3C2416 and S3C2450 devices are very similar and S3C2450 support is
included under the arch/arm/mach-s3c2416 directory. Note, whilst core
support for these SoCs is in, work on some of the extra peripherals
and extra interrupts is still ongoing.
Configuration
-------------
@ -209,6 +215,13 @@ GPIO
Newer kernels carry GPIOLIB, and support is being moved towards
this with some of the older support in line to be removed.
As of v2.6.34, the move towards using gpiolib support is almost
complete, and very little of the old calls are left.
See Documentation/arm/Samsung-S3C24XX/GPIO.txt for the S3C24XX specific
support and Documentation/arm/Samsung/GPIO.txt for the core Samsung
implementation.
Clock Management
----------------

42
Documentation/arm/Samsung/GPIO.txt Normal file
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@ -0,0 +1,42 @@
Samsung GPIO implementation
===========================
Introduction
------------
This outlines the Samsung GPIO implementation and the architecture
specfic calls provided alongisde the drivers/gpio core.
S3C24XX (Legacy)
----------------
See Documentation/arm/Samsung-S3C24XX/GPIO.txt for more information
about these devices. Their implementation is being brought into line
with the core samsung implementation described in this document.
GPIOLIB integration
-------------------
The gpio implementation uses gpiolib as much as possible, only providing
specific calls for the items that require Samsung specific handling, such
as pin special-function or pull resistor control.
GPIO numbering is synchronised between the Samsung and gpiolib system.
PIN configuration
-----------------
Pin configuration is specific to the Samsung architecutre, with each SoC
registering the necessary information for the core gpio configuration
implementation to configure pins as necessary.
The s3c_gpio_cfgpin() and s3c_gpio_setpull() provide the means for a
driver or machine to change gpio configuration.
See arch/arm/plat-samsung/include/plat/gpio-cfg.h for more information
on these functions.

35
Documentation/arm/Samsung/Overview.txt
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@ -13,9 +13,10 @@ Introduction
- S3C24XX: See Documentation/arm/Samsung-S3C24XX/Overview.txt for full list
- S3C64XX: S3C6400 and S3C6410
- S5PC6440
S5PC100 and S5PC110 support is currently being merged
- S5P6440
- S5P6442
- S5PC100
- S5PC110 / S5PV210
S3C24XX Systems
@ -35,7 +36,10 @@ Configuration
unifying all the SoCs into one kernel.
s5p6440_defconfig - S5P6440 specific default configuration
s5p6442_defconfig - S5P6442 specific default configuration
s5pc100_defconfig - S5PC100 specific default configuration
s5pc110_defconfig - S5PC110 specific default configuration
s5pv210_defconfig - S5PV210 specific default configuration
Layout
@ -50,18 +54,27 @@ Layout
specific information. It contains the base clock, GPIO and device definitions
to get the system running.
plat-s3c is the s3c24xx/s3c64xx platform directory, although it is currently
involved in other builds this will be phased out once the relevant code is
moved elsewhere.
plat-s3c24xx is for s3c24xx specific builds, see the S3C24XX docs.
plat-s3c64xx is for the s3c64xx specific bits, see the S3C24XX docs.
plat-s5p is for s5p specific builds, more to be added.
plat-s5p is for s5p specific builds, and contains common support for the
S5P specific systems. Not all S5Ps use all the features in this directory
due to differences in the hardware.
Layout changes
--------------
The old plat-s3c and plat-s5pc1xx directories have been removed, with
support moved to either plat-samsung or plat-s5p as necessary. These moves
where to simplify the include and dependency issues involved with having
so many different platform directories.
It was decided to remove plat-s5pc1xx as some of the support was already
in plat-s5p or plat-samsung, with the S5PC110 support added with S5PV210
the only user was the S5PC100. The S5PC100 specific items where moved to
arch/arm/mach-s5pc100.
[ to finish ]
Port Contributors

2
Documentation/cgroups/cgroups.txt
View file

@ -339,7 +339,7 @@ To mount a cgroup hierarchy with all available subsystems, type:
The "xxx" is not interpreted by the cgroup code, but will appear in
/proc/mounts so may be any useful identifying string that you like.
To mount a cgroup hierarchy with just the cpuset and numtasks
To mount a cgroup hierarchy with just the cpuset and memory
subsystems, type:
# mount -t cgroup -o cpuset,memory hier1 /dev/cgroup

326
Documentation/cgroups/memory.txt
View file

@ -1,18 +1,15 @@
Memory Resource Controller
NOTE: The Memory Resource Controller has been generically been referred
to as the memory controller in this document. Do not confuse memory controller
used here with the memory controller that is used in hardware.
to as the memory controller in this document. Do not confuse memory
controller used here with the memory controller that is used in hardware.
Salient features
a. Enable control of Anonymous, Page Cache (mapped and unmapped) and
Swap Cache memory pages.
b. The infrastructure allows easy addition of other types of memory to control
c. Provides *zero overhead* for non memory controller users
d. Provides a double LRU: global memory pressure causes reclaim from the
global LRU; a cgroup on hitting a limit, reclaims from the per
cgroup LRU
(For editors)
In this document:
When we mention a cgroup (cgroupfs's directory) with memory controller,
we call it "memory cgroup". When you see git-log and source code, you'll
see patch's title and function names tend to use "memcg".
In this document, we avoid using it.
Benefits and Purpose of the memory controller
@ -33,6 +30,45 @@ d. A CD/DVD burner could control the amount of memory used by the
e. There are several other use cases, find one or use the controller just
for fun (to learn and hack on the VM subsystem).
Current Status: linux-2.6.34-mmotm(development version of 2010/April)
Features:
- accounting anonymous pages, file caches, swap caches usage and limiting them.
- private LRU and reclaim routine. (system's global LRU and private LRU
work independently from each other)
- optionally, memory+swap usage can be accounted and limited.
- hierarchical accounting
- soft limit
- moving(recharging) account at moving a task is selectable.
- usage threshold notifier
- oom-killer disable knob and oom-notifier
- Root cgroup has no limit controls.
Kernel memory and Hugepages are not under control yet. We just manage
pages on LRU. To add more controls, we have to take care of performance.
Brief summary of control files.
tasks # attach a task(thread) and show list of threads
cgroup.procs # show list of processes
cgroup.event_control # an interface for event_fd()
memory.usage_in_bytes # show current memory(RSS+Cache) usage.
memory.memsw.usage_in_bytes # show current memory+Swap usage
memory.limit_in_bytes # set/show limit of memory usage
memory.memsw.limit_in_bytes # set/show limit of memory+Swap usage
memory.failcnt # show the number of memory usage hits limits
memory.memsw.failcnt # show the number of memory+Swap hits limits
memory.max_usage_in_bytes # show max memory usage recorded
memory.memsw.usage_in_bytes # show max memory+Swap usage recorded
memory.soft_limit_in_bytes # set/show soft limit of memory usage
memory.stat # show various statistics
memory.use_hierarchy # set/show hierarchical account enabled
memory.force_empty # trigger forced move charge to parent
memory.swappiness # set/show swappiness parameter of vmscan
(See sysctl's vm.swappiness)
memory.move_charge_at_immigrate # set/show controls of moving charges
memory.oom_control # set/show oom controls.
1. History
The memory controller has a long history. A request for comments for the memory
@ -106,14 +142,14 @@ the necessary data structures and check if the cgroup that is being charged
is over its limit. If it is then reclaim is invoked on the cgroup.
More details can be found in the reclaim section of this document.
If everything goes well, a page meta-data-structure called page_cgroup is
allocated and associated with the page. This routine also adds the page to
the per cgroup LRU.
updated. page_cgroup has its own LRU on cgroup.
(*) page_cgroup structure is allocated at boot/memory-hotplug time.
2.2.1 Accounting details
All mapped anon pages (RSS) and cache pages (Page Cache) are accounted.
(some pages which never be reclaimable and will not be on global LRU
are not accounted. we just accounts pages under usual vm management.)
Some pages which are never reclaimable and will not be on the global LRU
are not accounted. We just account pages under usual VM management.
RSS pages are accounted at page_fault unless they've already been accounted
for earlier. A file page will be accounted for as Page Cache when it's
@ -121,12 +157,19 @@ inserted into inode (radix-tree). While it's mapped into the page tables of
processes, duplicate accounting is carefully avoided.
A RSS page is unaccounted when it's fully unmapped. A PageCache page is
unaccounted when it's removed from radix-tree.
unaccounted when it's removed from radix-tree. Even if RSS pages are fully
unmapped (by kswapd), they may exist as SwapCache in the system until they
are really freed. Such SwapCaches also also accounted.
A swapped-in page is not accounted until it's mapped.
Note: The kernel does swapin-readahead and read multiple swaps at once.
This means swapped-in pages may contain pages for other tasks than a task
causing page fault. So, we avoid accounting at swap-in I/O.
At page migration, accounting information is kept.
Note: we just account pages-on-lru because our purpose is to control amount
of used pages. not-on-lru pages are tend to be out-of-control from vm view.
Note: we just account pages-on-LRU because our purpose is to control amount
of used pages; not-on-LRU pages tend to be out-of-control from VM view.
2.3 Shared Page Accounting
@ -143,6 +186,7 @@ caller of swapoff rather than the users of shmem.
2.4 Swap Extension (CONFIG_CGROUP_MEM_RES_CTLR_SWAP)
Swap Extension allows you to record charge for swap. A swapped-in page is
charged back to original page allocator if possible.
@ -150,13 +194,20 @@ When swap is accounted, following files are added.
- memory.memsw.usage_in_bytes.
- memory.memsw.limit_in_bytes.
usage of mem+swap is limited by memsw.limit_in_bytes.
memsw means memory+swap. Usage of memory+swap is limited by
memsw.limit_in_bytes.
* why 'mem+swap' rather than swap.
Example: Assume a system with 4G of swap. A task which allocates 6G of memory
(by mistake) under 2G memory limitation will use all swap.
In this case, setting memsw.limit_in_bytes=3G will prevent bad use of swap.
By using memsw limit, you can avoid system OOM which can be caused by swap
shortage.
* why 'memory+swap' rather than swap.
The global LRU(kswapd) can swap out arbitrary pages. Swap-out means
to move account from memory to swap...there is no change in usage of
mem+swap. In other words, when we want to limit the usage of swap without
affecting global LRU, mem+swap limit is better than just limiting swap from
memory+swap. In other words, when we want to limit the usage of swap without
affecting global LRU, memory+swap limit is better than just limiting swap from
OS point of view.
* What happens when a cgroup hits memory.memsw.limit_in_bytes
@ -168,12 +219,12 @@ it by cgroup.
2.5 Reclaim
Each cgroup maintains a per cgroup LRU that consists of an active
and inactive list. When a cgroup goes over its limit, we first try
Each cgroup maintains a per cgroup LRU which has the same structure as
global VM. When a cgroup goes over its limit, we first try
to reclaim memory from the cgroup so as to make space for the new
pages that the cgroup has touched. If the reclaim is unsuccessful,
an OOM routine is invoked to select and kill the bulkiest task in the
cgroup.
cgroup. (See 10. OOM Control below.)
The reclaim algorithm has not been modified for cgroups, except that
pages that are selected for reclaiming come from the per cgroup LRU
@ -184,13 +235,22 @@ limits on the root cgroup.
Note2: When panic_on_oom is set to "2", the whole system will panic.
2. Locking
When oom event notifier is registered, event will be delivered.
(See oom_control section)
The memory controller uses the following hierarchy
2.6 Locking
1. zone->lru_lock is used for selecting pages to be isolated
2. mem->per_zone->lru_lock protects the per cgroup LRU (per zone)
3. lock_page_cgroup() is used to protect page->page_cgroup
lock_page_cgroup()/unlock_page_cgroup() should not be called under
mapping->tree_lock.
Other lock order is following:
PG_locked.
mm->page_table_lock
zone->lru_lock
lock_page_cgroup.
In many cases, just lock_page_cgroup() is called.
per-zone-per-cgroup LRU (cgroup's private LRU) is just guarded by
zone->lru_lock, it has no lock of its own.
3. User Interface
@ -199,6 +259,7 @@ The memory controller uses the following hierarchy
a. Enable CONFIG_CGROUPS
b. Enable CONFIG_RESOURCE_COUNTERS
c. Enable CONFIG_CGROUP_MEM_RES_CTLR
d. Enable CONFIG_CGROUP_MEM_RES_CTLR_SWAP (to use swap extension)
1. Prepare the cgroups
# mkdir -p /cgroups
@ -206,31 +267,28 @@ c. Enable CONFIG_CGROUP_MEM_RES_CTLR
2. Make the new group and move bash into it
# mkdir /cgroups/0
# echo $$ > /cgroups/0/tasks
# echo $$ > /cgroups/0/tasks
Since now we're in the 0 cgroup,
We can alter the memory limit:
Since now we're in the 0 cgroup, we can alter the memory limit:
# echo 4M > /cgroups/0/memory.limit_in_bytes
NOTE: We can use a suffix (k, K, m, M, g or G) to indicate values in kilo,
mega or gigabytes.
mega or gigabytes. (Here, Kilo, Mega, Giga are Kibibytes, Mebibytes, Gibibytes.)
NOTE: We can write "-1" to reset the *.limit_in_bytes(unlimited).
NOTE: We cannot set limits on the root cgroup any more.
# cat /cgroups/0/memory.limit_in_bytes
4194304
NOTE: The interface has now changed to display the usage in bytes
instead of pages
We can check the usage:
# cat /cgroups/0/memory.usage_in_bytes
1216512
A successful write to this file does not guarantee a successful set of
this limit to the value written into the file. This can be due to a
this limit to the value written into the file. This can be due to a
number of factors, such as rounding up to page boundaries or the total
availability of memory on the system. The user is required to re-read
availability of memory on the system. The user is required to re-read
this file after a write to guarantee the value committed by the kernel.
# echo 1 > memory.limit_in_bytes
@ -245,15 +303,23 @@ caches, RSS and Active pages/Inactive pages are shown.
4. Testing
Balbir posted lmbench, AIM9, LTP and vmmstress results [10] and [11].
Apart from that v6 has been tested with several applications and regular
daily use. The controller has also been tested on the PPC64, x86_64 and
UML platforms.
For testing features and implementation, see memcg_test.txt.
Performance test is also important. To see pure memory controller's overhead,
testing on tmpfs will give you good numbers of small overheads.
Example: do kernel make on tmpfs.
Page-fault scalability is also important. At measuring parallel
page fault test, multi-process test may be better than multi-thread
test because it has noise of shared objects/status.
But the above two are testing extreme situations.
Trying usual test under memory controller is always helpful.
4.1 Troubleshooting
Sometimes a user might find that the application under a cgroup is
terminated. There are several causes for this:
terminated by OOM killer. There are several causes for this:
1. The cgroup limit is too low (just too low to do anything useful)
2. The user is using anonymous memory and swap is turned off or too low
@ -261,6 +327,9 @@ terminated. There are several causes for this:
A sync followed by echo 1 > /proc/sys/vm/drop_caches will help get rid of
some of the pages cached in the cgroup (page cache pages).
To know what happens, disable OOM_Kill by 10. OOM Control(see below) and
seeing what happens will be helpful.
4.2 Task migration
When a task migrates from one cgroup to another, its charge is not
@ -268,16 +337,19 @@ carried forward by default. The pages allocated from the original cgroup still
remain charged to it, the charge is dropped when the page is freed or
reclaimed.
Note: You can move charges of a task along with task migration. See 8.
You can move charges of a task along with task migration.
See 8. "Move charges at task migration"
4.3 Removing a cgroup
A cgroup can be removed by rmdir, but as discussed in sections 4.1 and 4.2, a
cgroup might have some charge associated with it, even though all
tasks have migrated away from it.
Such charges are freed(at default) or moved to its parent. When moved,
both of RSS and CACHES are moved to parent.
If both of them are busy, rmdir() returns -EBUSY. See 5.1 Also.
tasks have migrated away from it. (because we charge against pages, not
against tasks.)
Such charges are freed or moved to their parent. At moving, both of RSS
and CACHES are moved to parent.
rmdir() may return -EBUSY if freeing/moving fails. See 5.1 also.
Charges recorded in swap information is not updated at removal of cgroup.
Recorded information is discarded and a cgroup which uses swap (swapcache)
@ -293,10 +365,10 @@ will be charged as a new owner of it.
# echo 0 > memory.force_empty
Almost all pages tracked by this memcg will be unmapped and freed. Some of
pages cannot be freed because it's locked or in-use. Such pages are moved
to parent and this cgroup will be empty. But this may return -EBUSY in
some too busy case.
Almost all pages tracked by this memory cgroup will be unmapped and freed.
Some pages cannot be freed because they are locked or in-use. Such pages are
moved to parent and this cgroup will be empty. This may return -EBUSY if
VM is too busy to free/move all pages immediately.
Typical use case of this interface is that calling this before rmdir().
Because rmdir() moves all pages to parent, some out-of-use page caches can be
@ -306,19 +378,41 @@ will be charged as a new owner of it.
memory.stat file includes following statistics
# per-memory cgroup local status
cache - # of bytes of page cache memory.
rss - # of bytes of anonymous and swap cache memory.
mapped_file - # of bytes of mapped file (includes tmpfs/shmem)
pgpgin - # of pages paged in (equivalent to # of charging events).
pgpgout - # of pages paged out (equivalent to # of uncharging events).
active_anon - # of bytes of anonymous and swap cache memory on active
lru list.
swap - # of bytes of swap usage
inactive_anon - # of bytes of anonymous memory and swap cache memory on
inactive lru list.
active_file - # of bytes of file-backed memory on active lru list.
inactive_file - # of bytes of file-backed memory on inactive lru list.
LRU list.
active_anon - # of bytes of anonymous and swap cache memory on active
inactive LRU list.
inactive_file - # of bytes of file-backed memory on inactive LRU list.
active_file - # of bytes of file-backed memory on active LRU list.
unevictable - # of bytes of memory that cannot be reclaimed (mlocked etc).
The following additional stats are dependent on CONFIG_DEBUG_VM.
# status considering hierarchy (see memory.use_hierarchy settings)
hierarchical_memory_limit - # of bytes of memory limit with regard to hierarchy
under which the memory cgroup is
hierarchical_memsw_limit - # of bytes of memory+swap limit with regard to
hierarchy under which memory cgroup is.
total_cache - sum of all children's "cache"
total_rss - sum of all children's "rss"
total_mapped_file - sum of all children's "cache"
total_pgpgin - sum of all children's "pgpgin"
total_pgpgout - sum of all children's "pgpgout"
total_swap - sum of all children's "swap"
total_inactive_anon - sum of all children's "inactive_anon"
total_active_anon - sum of all children's "active_anon"
total_inactive_file - sum of all children's "inactive_file"
total_active_file - sum of all children's "active_file"
total_unevictable - sum of all children's "unevictable"
# The following additional stats are dependent on CONFIG_DEBUG_VM.
inactive_ratio - VM internal parameter. (see mm/page_alloc.c)
recent_rotated_anon - VM internal parameter. (see mm/vmscan.c)
@ -327,24 +421,37 @@ recent_scanned_anon - VM internal parameter. (see mm/vmscan.c)
recent_scanned_file - VM internal parameter. (see mm/vmscan.c)
Memo:
recent_rotated means recent frequency of lru rotation.
recent_scanned means recent # of scans to lru.
recent_rotated means recent frequency of LRU rotation.
recent_scanned means recent # of scans to LRU.
showing for better debug please see the code for meanings.
Note:
Only anonymous and swap cache memory is listed as part of 'rss' stat.
This should not be confused with the true 'resident set size' or the
amount of physical memory used by the cgroup. Per-cgroup rss
accounting is not done yet.
amount of physical memory used by the cgroup.
'rss + file_mapped" will give you resident set size of cgroup.
(Note: file and shmem may be shared among other cgroups. In that case,
file_mapped is accounted only when the memory cgroup is owner of page
cache.)
5.3 swappiness
Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only.
Following cgroups' swappiness can't be changed.
- root cgroup (uses /proc/sys/vm/swappiness).
- a cgroup which uses hierarchy and it has child cgroup.
- a cgroup which uses hierarchy and not the root of hierarchy.
Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only.
Following cgroups' swappiness can't be changed.
- root cgroup (uses /proc/sys/vm/swappiness).
- a cgroup which uses hierarchy and it has other cgroup(s) below it.
- a cgroup which uses hierarchy and not the root of hierarchy.
5.4 failcnt
A memory cgroup provides memory.failcnt and memory.memsw.failcnt files.
This failcnt(== failure count) shows the number of times that a usage counter
hit its limit. When a memory cgroup hits a limit, failcnt increases and
memory under it will be reclaimed.
You can reset failcnt by writing 0 to failcnt file.
# echo 0 > .../memory.failcnt
6. Hierarchy support
@ -363,13 +470,13 @@ hierarchy
In the diagram above, with hierarchical accounting enabled, all memory
usage of e, is accounted to its ancestors up until the root (i.e, c and root),
that has memory.use_hierarchy enabled. If one of the ancestors goes over its
that has memory.use_hierarchy enabled. If one of the ancestors goes over its
limit, the reclaim algorithm reclaims from the tasks in the ancestor and the
children of the ancestor.
6.1 Enabling hierarchical accounting and reclaim
The memory controller by default disables the hierarchy feature. Support
A memory cgroup by default disables the hierarchy feature. Support
can be enabled by writing 1 to memory.use_hierarchy file of the root cgroup
# echo 1 > memory.use_hierarchy
@ -379,10 +486,10 @@ The feature can be disabled by
# echo 0 > memory.use_hierarchy
NOTE1: Enabling/disabling will fail if the cgroup already has other
cgroups created below it.
cgroups created below it.
NOTE2: When panic_on_oom is set to "2", the whole system will panic in
case of an oom event in any cgroup.
case of an OOM event in any cgroup.
7. Soft limits
@ -392,7 +499,7 @@ is to allow control groups to use as much of the memory as needed, provided
a. There is no memory contention
b. They do not exceed their hard limit
When the system detects memory contention or low memory control groups
When the system detects memory contention or low memory, control groups
are pushed back to their soft limits. If the soft limit of each control
group is very high, they are pushed back as much as possible to make
sure that one control group does not starve the others of memory.
@ -406,7 +513,7 @@ it gets invoked from balance_pgdat (kswapd).
7.1 Interface
Soft limits can be setup by using the following commands (in this example we
assume a soft limit of 256 megabytes)
assume a soft limit of 256 MiB)
# echo 256M > memory.soft_limit_in_bytes
@ -442,7 +549,7 @@ Note: Charges are moved only when you move mm->owner, IOW, a leader of a thread
Note: If we cannot find enough space for the task in the destination cgroup, we
try to make space by reclaiming memory. Task migration may fail if we
cannot make enough space.
Note: It can take several seconds if you move charges in giga bytes order.
Note: It can take several seconds if you move charges much.
And if you want disable it again:
@ -451,21 +558,27 @@ And if you want disable it again:
8.2 Type of charges which can be move
Each bits of move_charge_at_immigrate has its own meaning about what type of
charges should be moved.
charges should be moved. But in any cases, it must be noted that an account of
a page or a swap can be moved only when it is charged to the task's current(old)
memory cgroup.
bit | what type of charges would be moved ?
-----+------------------------------------------------------------------------
0 | A charge of an anonymous page(or swap of it) used by the target task.
| Those pages and swaps must be used only by the target task. You must
| enable Swap Extension(see 2.4) to enable move of swap charges.
Note: Those pages and swaps must be charged to the old cgroup.
Note: More type of pages(e.g. file cache, shmem,) will be supported by other
bits in future.
-----+------------------------------------------------------------------------
1 | A charge of file pages(normal file, tmpfs file(e.g. ipc shared memory)
| and swaps of tmpfs file) mmapped by the target task. Unlike the case of
| anonymous pages, file pages(and swaps) in the range mmapped by the task
| will be moved even if the task hasn't done page fault, i.e. they might
| not be the task's "RSS", but other task's "RSS" that maps the same file.
| And mapcount of the page is ignored(the page can be moved even if
| page_mapcount(page) > 1). You must enable Swap Extension(see 2.4) to
| enable move of swap charges.
8.3 TODO
- Add support for other types of pages(e.g. file cache, shmem, etc.).
- Implement madvise(2) to let users decide the vma to be moved or not to be
moved.
- All of moving charge operations are done under cgroup_mutex. It's not good
@ -473,22 +586,61 @@ Note: More type of pages(e.g. file cache, shmem,) will be supported by other
9. Memory thresholds
Memory controler implements memory thresholds using cgroups notification
Memory cgroup implements memory thresholds using cgroups notification
API (see cgroups.txt). It allows to register multiple memory and memsw
thresholds and gets notifications when it crosses.
To register a threshold application need:
- create an eventfd using eventfd(2);
- open memory.usage_in_bytes or memory.memsw.usage_in_bytes;
- write string like "<event_fd> <memory.usage_in_bytes> <threshold>" to
cgroup.event_control.
- create an eventfd using eventfd(2);
- open memory.usage_in_bytes or memory.memsw.usage_in_bytes;
- write string like "<event_fd> <fd of memory.usage_in_bytes> <threshold>" to
cgroup.event_control.
Application will be notified through eventfd when memory usage crosses
threshold in any direction.
It's applicable for root and non-root cgroup.
10. TODO
10. OOM Control
memory.oom_control file is for OOM notification and other controls.
Memory cgroup implements OOM notifier using cgroup notification
API (See cgroups.txt). It allows to register multiple OOM notification
delivery and gets notification when OOM happens.
To register a notifier, application need:
- create an eventfd using eventfd(2)
- open memory.oom_control file
- write string like "<event_fd> <fd of memory.oom_control>" to
cgroup.event_control
Application will be notified through eventfd when OOM happens.
OOM notification doesn't work for root cgroup.
You can disable OOM-killer by writing "1" to memory.oom_control file, as:
#echo 1 > memory.oom_control
This operation is only allowed to the top cgroup of sub-hierarchy.
If OOM-killer is disabled, tasks under cgroup will hang/sleep
in memory cgroup's OOM-waitqueue when they request accountable memory.
For running them, you have to relax the memory cgroup's OOM status by
* enlarge limit or reduce usage.
To reduce usage,
* kill some tasks.
* move some tasks to other group with account migration.
* remove some files (on tmpfs?)
Then, stopped tasks will work again.
At reading, current status of OOM is shown.
oom_kill_disable 0 or 1 (if 1, oom-killer is disabled)
under_oom 0 or 1 (if 1, the memory cgroup is under OOM, tasks may
be stopped.)
11. TODO
1. Add support for accounting huge pages (as a separate controller)
2. Make per-cgroup scanner reclaim not-shared pages first

29
Documentation/development-process/2.Process
View file

@ -151,7 +151,7 @@ The stages that a patch goes through are, generally:
well.
- Wider review. When the patch is getting close to ready for mainline
inclusion, it will be accepted by a relevant subsystem maintainer -
inclusion, it should be accepted by a relevant subsystem maintainer -
though this acceptance is not a guarantee that the patch will make it
all the way to the mainline. The patch will show up in the maintainer's
subsystem tree and into the staging trees (described below). When the
@ -159,6 +159,15 @@ The stages that a patch goes through are, generally:
the discovery of any problems resulting from the integration of this
patch with work being done by others.
- Please note that most maintainers also have day jobs, so merging
your patch may not be their highest priority. If your patch is
getting feedback about changes that are needed, you should either
make those changes or justify why they should not be made. If your
patch has no review complaints but is not being merged by its
appropriate subsystem or driver maintainer, you should be persistent
in updating the patch to the current kernel so that it applies cleanly
and keep sending it for review and merging.
- Merging into the mainline. Eventually, a successful patch will be
merged into the mainline repository managed by Linus Torvalds. More
comments and/or problems may surface at this time; it is important that
@ -258,12 +267,8 @@ an appropriate subsystem tree or be sent directly to Linus. In a typical
development cycle, approximately 10% of the patches going into the mainline
get there via -mm.
The current -mm patch can always be found from the front page of
http://kernel.org/
Those who want to see the current state of -mm can get the "-mm of the
moment" tree, found at:
The current -mm patch is available in the "mmotm" (-mm of the moment)
directory at:
http://userweb.kernel.org/~akpm/mmotm/
@ -298,6 +303,12 @@ volatility of linux-next tends to make it a difficult development target.
See http://lwn.net/Articles/289013/ for more information on this topic, and
stay tuned; much is still in flux where linux-next is involved.
Besides the mmotm and linux-next trees, the kernel source tree now contains
the drivers/staging/ directory and many sub-directories for drivers or
filesystems that are on their way to being added to the kernel tree
proper, but they remain in drivers/staging/ while they still need more
work.
2.5: TOOLS
@ -319,9 +330,9 @@ developers; even if they do not use it for their own work, they'll need git
to keep up with what other developers (and the mainline) are doing.
Git is now packaged by almost all Linux distributions. There is a home
page at
page at:
http://git.or.cz/
http://git-scm.com/
That page has pointers to documentation and tutorials. One should be
aware, in particular, of the Kernel Hacker's Guide to git, which has

2
Documentation/development-process/7.AdvancedTopics
View file

@ -25,7 +25,7 @@ long document in its own right. Instead, the focus here will be on how git
fits into the kernel development process in particular. Developers who
wish to come up to speed with git will find more information at:
http://git.or.cz/
http://git-scm.com/
http://www.kernel.org/pub/software/scm/git/docs/user-manual.html

2
Documentation/devices.txt
View file

@ -443,6 +443,8 @@ Your cooperation is appreciated.
231 = /dev/snapshot System memory snapshot device
232 = /dev/kvm Kernel-based virtual machine (hardware virtualization extensions)
233 = /dev/kmview View-OS A process with a view
234 = /dev/btrfs-control Btrfs control device
235 = /dev/autofs Autofs control device
240-254 Reserved for local use
255 Reserved for MISC_DYNAMIC_MINOR

10
Documentation/feature-removal-schedule.txt
View file

@ -646,3 +646,13 @@ Who: Thomas Gleixner <tglx@linutronix.de>
----------------------------
What: old ieee1394 subsystem (CONFIG_IEEE1394)
When: 2.6.37
Files: drivers/ieee1394/ except init_ohci1394_dma.c
Why: superseded by drivers/firewire/ (CONFIG_FIREWIRE) which offers more
features, better performance, and better security, all with smaller
and more modern code base
Who: Stefan Richter <stefanr@s5r6.in-berlin.de>
----------------------------

7
Documentation/filesystems/Locking
View file

@ -380,7 +380,7 @@ prototypes:
int (*open) (struct inode *, struct file *);
int (*flush) (struct file *);
int (*release) (struct inode *, struct file *);
int (*fsync) (struct file *, struct dentry *, int datasync);
int (*fsync) (struct file *, int datasync);
int (*aio_fsync) (struct kiocb *, int datasync);
int (*fasync) (int, struct file *, int);
int (*lock) (struct file *, int, struct file_lock *);
@ -429,8 +429,9 @@ check_flags: no
implementations. If your fs is not using generic_file_llseek, you
need to acquire and release the appropriate locks in your ->llseek().
For many filesystems, it is probably safe to acquire the inode
mutex. Note some filesystems (i.e. remote ones) provide no
protection for i_size so you will need to use the BKL.
mutex or just to use i_size_read() instead.
Note: this does not protect the file->f_pos against concurrent modifications
since this is something the userspace has to take care about.
Note: ext2_release() was *the* source of contention on fs-intensive
loads and dropping BKL on ->release() helps to get rid of that (we still

32
Documentation/filesystems/squashfs.txt
View file

@ -38,7 +38,8 @@ Hard link support: yes no
Real inode numbers: yes no
32-bit uids/gids: yes no
File creation time: yes no
Xattr and ACL support: no no
Xattr support: yes no
ACL support: no no
Squashfs compresses data, inodes and directories. In addition, inode and
directory data are highly compacted, and packed on byte boundaries. Each
@ -58,7 +59,7 @@ obtained from this site also.
3. SQUASHFS FILESYSTEM DESIGN
-----------------------------
A squashfs filesystem consists of seven parts, packed together on a byte
A squashfs filesystem consists of a maximum of eight parts, packed together on a byte
alignment:
---------------
@ -80,6 +81,9 @@ alignment:
|---------------|
| uid/gid |
| lookup table |
|---------------|
| xattr |
| table |
---------------
Compressed data blocks are written to the filesystem as files are read from
@ -192,6 +196,26 @@ This table is stored compressed into metadata blocks. A second index table is
used to locate these. This second index table for speed of access (and because
it is small) is read at mount time and cached in memory.
3.7 Xattr table
---------------
The xattr table contains extended attributes for each inode. The xattrs
for each inode are stored in a list, each list entry containing a type,
name and value field. The type field encodes the xattr prefix
("user.", "trusted." etc) and it also encodes how the name/value fields
should be interpreted. Currently the type indicates whether the value
is stored inline (in which case the value field contains the xattr value),
or if it is stored out of line (in which case the value field stores a
reference to where the actual value is stored). This allows large values
to be stored out of line improving scanning and lookup performance and it
also allows values to be de-duplicated, the value being stored once, and
all other occurences holding an out of line reference to that value.
The xattr lists are packed into compressed 8K metadata blocks.
To reduce overhead in inodes, rather than storing the on-disk
location of the xattr list inside each inode, a 32-bit xattr id
is stored. This xattr id is mapped into the location of the xattr
list using a second xattr id lookup table.
4. TODOS AND OUTSTANDING ISSUES
-------------------------------
@ -199,9 +223,7 @@ it is small) is read at mount time and cached in memory.
4.1 Todo list
-------------
Implement Xattr and ACL support. The Squashfs 4.0 filesystem layout has hooks
for these but the code has not been written. Once the code has been written
the existing layout should not require modification.
Implement ACL support.
4.2 Squashfs internal cache
---------------------------

10
Documentation/filesystems/tmpfs.txt
View file

@ -94,11 +94,19 @@ NodeList format is a comma-separated list of decimal numbers and ranges,
a range being two hyphen-separated decimal numbers, the smallest and
largest node numbers in the range. For example, mpol=bind:0-3,5,7,9-15
A memory policy with a valid NodeList will be saved, as specified, for
use at file creation time. When a task allocates a file in the file
system, the mount option memory policy will be applied with a NodeList,
if any, modified by the calling task's cpuset constraints
[See Documentation/cgroups/cpusets.txt] and any optional flags, listed
below. If the resulting NodeLists is the empty set, the effective memory
policy for the file will revert to "default" policy.
NUMA memory allocation policies have optional flags that can be used in
conjunction with their modes. These optional flags can be specified
when tmpfs is mounted by appending them to the mode before the NodeList.
See Documentation/vm/numa_memory_policy.txt for a list of all available
memory allocation policy mode flags.
memory allocation policy mode flags and their effect on memory policy.
=static is equivalent to MPOL_F_STATIC_NODES
=relative is equivalent to MPOL_F_RELATIVE_NODES

9
Documentation/filesystems/vfs.txt
View file

@ -401,11 +401,16 @@ otherwise noted.
started might not be in the page cache at the end of the
walk).
truncate: called by the VFS to change the size of a file. The
truncate: Deprecated. This will not be called if ->setsize is defined.
Called by the VFS to change the size of a file. The
i_size field of the inode is set to the desired size by the
VFS before this method is called. This method is called by
the truncate(2) system call and related functionality.
Note: ->truncate and vmtruncate are deprecated. Do not add new
instances/calls of these. Filesystems should be converted to do their
truncate sequence via ->setattr().
permission: called by the VFS to check for access rights on a POSIX-like
filesystem.
@ -729,7 +734,7 @@ struct file_operations {
int (*open) (struct inode *, struct file *);
int (*flush) (struct file *);
int (*release) (struct inode *, struct file *);
int (*fsync) (struct file *, struct dentry *, int datasync);
int (*fsync) (struct file *, int datasync);
int (*aio_fsync) (struct kiocb *, int datasync);
int (*fasync) (int, struct file *, int);
int (*lock) (struct file *, int, struct file_lock *);

816
Documentation/filesystems/xfs-delayed-logging-design.txt Normal file
View file

@ -0,0 +1,816 @@
XFS Delayed Logging Design
--------------------------
Introduction to Re-logging in XFS
---------------------------------
XFS logging is a combination of logical and physical logging. Some objects,
such as inodes and dquots, are logged in logical format where the details
logged are made up of the changes to in-core structures rather than on-disk
structures. Other objects - typically buffers - have their physical changes
logged. The reason for these differences is to reduce the amount of log space
required for objects that are frequently logged. Some parts of inodes are more
frequently logged than others, and inodes are typically more frequently logged
than any other object (except maybe the superblock buffer) so keeping the
amount of metadata logged low is of prime importance.
The reason that this is such a concern is that XFS allows multiple separate
modifications to a single object to be carried in the log at any given time.
This allows the log to avoid needing to flush each change to disk before
recording a new change to the object. XFS does this via a method called
"re-logging". Conceptually, this is quite simple - all it requires is that any
new change to the object is recorded with a *new copy* of all the existing
changes in the new transaction that is written to the log.
That is, if we have a sequence of changes A through to F, and the object was
written to disk after change D, we would see in the log the following series
of transactions, their contents and the log sequence number (LSN) of the
transaction:
Transaction Contents LSN
A A X
B A+B X+n
C A+B+C X+n+m
D A+B+C+D X+n+m+o
<object written to disk>
E E Y (> X+n+m+o)
F E+F Yٍ+p
In other words, each time an object is relogged, the new transaction contains
the aggregation of all the previous changes currently held only in the log.
This relogging technique also allows objects to be moved forward in the log so
that an object being relogged does not prevent the tail of the log from ever
moving forward. This can be seen in the table above by the changing
(increasing) LSN of each subsquent transaction - the LSN is effectively a
direct encoding of the location in the log of the transaction.
This relogging is also used to implement long-running, multiple-commit
transactions. These transaction are known as rolling transactions, and require
a special log reservation known as a permanent transaction reservation. A
typical example of a rolling transaction is the removal of extents from an
inode which can only be done at a rate of two extents per transaction because
of reservation size limitations. Hence a rolling extent removal transaction
keeps relogging the inode and btree buffers as they get modified in each
removal operation. This keeps them moving forward in the log as the operation
progresses, ensuring that current operation never gets blocked by itself if the
log wraps around.
Hence it can be seen that the relogging operation is fundamental to the correct
working of the XFS journalling subsystem. From the above description, most
people should be able to see why the XFS metadata operations writes so much to
the log - repeated operations to the same objects write the same changes to
the log over and over again. Worse is the fact that objects tend to get
dirtier as they get relogged, so each subsequent transaction is writing more
metadata into the log.
Another feature of the XFS transaction subsystem is that most transactions are
asynchronous. That is, they don't commit to disk until either a log buffer is
filled (a log buffer can hold multiple transactions) or a synchronous operation
forces the log buffers holding the transactions to disk. This means that XFS is
doing aggregation of transactions in memory - batching them, if you like - to
minimise the impact of the log IO on transaction throughput.
The limitation on asynchronous transaction throughput is the number and size of
log buffers made available by the log manager. By default there are 8 log
buffers available and the size of each is 32kB - the size can be increased up
to 256kB by use of a mount option.
Effectively, this gives us the maximum bound of outstanding metadata changes
that can be made to the filesystem at any point in time - if all the log
buffers are full and under IO, then no more transactions can be committed until
the current batch completes. It is now common for a single current CPU core to
be to able to issue enough transactions to keep the log buffers full and under
IO permanently. Hence the XFS journalling subsystem can be considered to be IO
bound.
Delayed Logging: Concepts
-------------------------
The key thing to note about the asynchronous logging combined with the
relogging technique XFS uses is that we can be relogging changed objects
multiple times before they are committed to disk in the log buffers. If we
return to the previous relogging example, it is entirely possible that
transactions A through D are committed to disk in the same log buffer.
That is, a single log buffer may contain multiple copies of the same object,
but only one of those copies needs to be there - the last one "D", as it
contains all the changes from the previous changes. In other words, we have one
necessary copy in the log buffer, and three stale copies that are simply
wasting space. When we are doing repeated operations on the same set of
objects, these "stale objects" can be over 90% of the space used in the log
buffers. It is clear that reducing the number of stale objects written to the
log would greatly reduce the amount of metadata we write to the log, and this
is the fundamental goal of delayed logging.
From a conceptual point of view, XFS is already doing relogging in memory (where
memory == log buffer), only it is doing it extremely inefficiently. It is using
logical to physical formatting to do the relogging because there is no
infrastructure to keep track of logical changes in memory prior to physically
formatting the changes in a transaction to the log buffer. Hence we cannot avoid
accumulating stale objects in the log buffers.
Delayed logging is the name we've given to keeping and tracking transactional
changes to objects in memory outside the log buffer infrastructure. Because of
the relogging concept fundamental to the XFS journalling subsystem, this is
actually relatively easy to do - all the changes to logged items are already
tracked in the current infrastructure. The big problem is how to accumulate
them and get them to the log in a consistent, recoverable manner.
Describing the problems and how they have been solved is the focus of this
document.
One of the key changes that delayed logging makes to the operation of the
journalling subsystem is that it disassociates the amount of outstanding
metadata changes from the size and number of log buffers available. In other
words, instead of there only being a maximum of 2MB of transaction changes not
written to the log at any point in time, there may be a much greater amount
being accumulated in memory. Hence the potential for loss of metadata on a
crash is much greater than for the existing logging mechanism.
It should be noted that this does not change the guarantee that log recovery
will result in a consistent filesystem. What it does mean is that as far as the
recovered filesystem is concerned, there may be many thousands of transactions
that simply did not occur as a result of the crash. This makes it even more
important that applications that care about their data use fsync() where they
need to ensure application level data integrity is maintained.
It should be noted that delayed logging is not an innovative new concept that
warrants rigorous proofs to determine whether it is correct or not. The method
of accumulating changes in memory for some period before writing them to the
log is used effectively in many filesystems including ext3 and ext4. Hence
no time is spent in this document trying to convince the reader that the
concept is sound. Instead it is simply considered a "solved problem" and as
such implementing it in XFS is purely an exercise in software engineering.
The fundamental requirements for delayed logging in XFS are simple:
1. Reduce the amount of metadata written to the log by at least
an order of magnitude.
2. Supply sufficient statistics to validate Requirement #1.
3. Supply sufficient new tracing infrastructure to be able to debug
problems with the new code.
4. No on-disk format change (metadata or log format).
5. Enable and disable with a mount option.
6. No performance regressions for synchronous transaction workloads.
Delayed Logging: Design
-----------------------
Storing Changes
The problem with accumulating changes at a logical level (i.e. just using the
existing log item dirty region tracking) is that when it comes to writing the
changes to the log buffers, we need to ensure that the object we are formatting
is not changing while we do this. This requires locking the object to prevent
concurrent modification. Hence flushing the logical changes to the log would
require us to lock every object, format them, and then unlock them again.
This introduces lots of scope for deadlocks with transactions that are already
running. For example, a transaction has object A locked and modified, but needs
the delayed logging tracking lock to commit the transaction. However, the
flushing thread has the delayed logging tracking lock already held, and is
trying to get the lock on object A to flush it to the log buffer. This appears
to be an unsolvable deadlock condition, and it was solving this problem that
was the barrier to implementing delayed logging for so long.
The solution is relatively simple - it just took a long time to recognise it.
Put simply, the current logging code formats the changes to each item into an
vector array that points to the changed regions in the item. The log write code
simply copies the memory these vectors point to into the log buffer during
transaction commit while the item is locked in the transaction. Instead of
using the log buffer as the destination of the formatting code, we can use an
allocated memory buffer big enough to fit the formatted vector.
If we then copy the vector into the memory buffer and rewrite the vector to
point to the memory buffer rather than the object itself, we now have a copy of
the changes in a format that is compatible with the log buffer writing code.
that does not require us to lock the item to access. This formatting and
rewriting can all be done while the object is locked during transaction commit,
resulting in a vector that is transactionally consistent and can be accessed
without needing to lock the owning item.
Hence we avoid the need to lock items when we need to flush outstanding
asynchronous transactions to the log. The differences between the existing
formatting method and the delayed logging formatting can be seen in the
diagram below.
Current format log vector:
Object +---------------------------------------------+
Vector 1 +----+
Vector 2 +----+
Vector 3 +----------+
After formatting:
Log Buffer +-V1-+-V2-+----V3----+
Delayed logging vector:
Object +---------------------------------------------+
Vector 1 +----+
Vector 2 +----+
Vector 3 +----------+
After formatting:
Memory Buffer +-V1-+-V2-+----V3----+
Vector 1 +----+
Vector 2 +----+
Vector 3 +----------+
The memory buffer and associated vector need to be passed as a single object,
but still need to be associated with the parent object so if the object is
relogged we can replace the current memory buffer with a new memory buffer that
contains the latest changes.
The reason for keeping the vector around after we've formatted the memory
buffer is to support splitting vectors across log buffer boundaries correctly.
If we don't keep the vector around, we do not know where the region boundaries
are in the item, so we'd need a new encapsulation method for regions in the log
buffer writing (i.e. double encapsulation). This would be an on-disk format
change and as such is not desirable. It also means we'd have to write the log
region headers in the formatting stage, which is problematic as there is per
region state that needs to be placed into the headers during the log write.
Hence we need to keep the vector, but by attaching the memory buffer to it and
rewriting the vector addresses to point at the memory buffer we end up with a
self-describing object that can be passed to the log buffer write code to be
handled in exactly the same manner as the existing log vectors are handled.
Hence we avoid needing a new on-disk format to handle items that have been
relogged in memory.
Tracking Changes
Now that we can record transactional changes in memory in a form that allows
them to be used without limitations, we need to be able to track and accumulate
them so that they can be written to the log at some later point in time. The
log item is the natural place to store this vector and buffer, and also makes sense
to be the object that is used to track committed objects as it will always
exist once the object has been included in a transaction.
The log item is already used to track the log items that have been written to
the log but not yet written to disk. Such log items are considered "active"
and as such are stored in the Active Item List (AIL) which is a LSN-ordered
double linked list. Items are inserted into this list during log buffer IO
completion, after which they are unpinned and can be written to disk. An object
that is in the AIL can be relogged, which causes the object to be pinned again
and then moved forward in the AIL when the log buffer IO completes for that
transaction.
Essentially, this shows that an item that is in the AIL can still be modified
and relogged, so any tracking must be separate to the AIL infrastructure. As
such, we cannot reuse the AIL list pointers for tracking committed items, nor
can we store state in any field that is protected by the AIL lock. Hence the
committed item tracking needs it's own locks, lists and state fields in the log
item.
Similar to the AIL, tracking of committed items is done through a new list
called the Committed Item List (CIL). The list tracks log items that have been
committed and have formatted memory buffers attached to them. It tracks objects
in transaction commit order, so when an object is relogged it is removed from
it's place in the list and re-inserted at the tail. This is entirely arbitrary
and done to make it easy for debugging - the last items in the list are the
ones that are most recently modified. Ordering of the CIL is not necessary for
transactional integrity (as discussed in the next section) so the ordering is
done for convenience/sanity of the developers.
Delayed Logging: Checkpoints
When we have a log synchronisation event, commonly known as a "log force",
all the items in the CIL must be written into the log via the log buffers.
We need to write these items in the order that they exist in the CIL, and they
need to be written as an atomic transaction. The need for all the objects to be
written as an atomic transaction comes from the requirements of relogging and
log replay - all the changes in all the objects in a given transaction must
either be completely replayed during log recovery, or not replayed at all. If
a transaction is not replayed because it is not complete in the log, then
no later transactions should be replayed, either.
To fulfill this requirement, we need to write the entire CIL in a single log
transaction. Fortunately, the XFS log code has no fixed limit on the size of a
transaction, nor does the log replay code. The only fundamental limit is that
the transaction cannot be larger than just under half the size of the log. The
reason for this limit is that to find the head and tail of the log, there must
be at least one complete transaction in the log at any given time. If a
transaction is larger than half the log, then there is the possibility that a
crash during the write of a such a transaction could partially overwrite the
only complete previous transaction in the log. This will result in a recovery
failure and an inconsistent filesystem and hence we must enforce the maximum
size of a checkpoint to be slightly less than a half the log.
Apart from this size requirement, a checkpoint transaction looks no different
to any other transaction - it contains a transaction header, a series of
formatted log items and a commit record at the tail. From a recovery
perspective, the checkpoint transaction is also no different - just a lot
bigger with a lot more items in it. The worst case effect of this is that we
might need to tune the recovery transaction object hash size.
Because the checkpoint is just another transaction and all the changes to log
items are stored as log vectors, we can use the existing log buffer writing
code to write the changes into the log. To do this efficiently, we need to
minimise the time we hold the CIL locked while writing the checkpoint
transaction. The current log write code enables us to do this easily with the
way it separates the writing of the transaction contents (the log vectors) from
the transaction commit record, but tracking this requires us to have a
per-checkpoint context that travels through the log write process through to
checkpoint completion.
Hence a checkpoint has a context that tracks the state of the current
checkpoint from initiation to checkpoint completion. A new context is initiated
at the same time a checkpoint transaction is started. That is, when we remove
all the current items from the CIL during a checkpoint operation, we move all
those changes into the current checkpoint context. We then initialise a new
context and attach that to the CIL for aggregation of new transactions.
This allows us to unlock the CIL immediately after transfer of all the
committed items and effectively allow new transactions to be issued while we
are formatting the checkpoint into the log. It also allows concurrent
checkpoints to be written into the log buffers in the case of log force heavy
workloads, just like the existing transaction commit code does. This, however,
requires that we strictly order the commit records in the log so that
checkpoint sequence order is maintained during log replay.
To ensure that we can be writing an item into a checkpoint transaction at
the same time another transaction modifies the item and inserts the log item
into the new CIL, then checkpoint transaction commit code cannot use log items
to store the list of log vectors that need to be written into the transaction.
Hence log vectors need to be able to be chained together to allow them to be
detatched from the log items. That is, when the CIL is flushed the memory
buffer and log vector attached to each log item needs to be attached to the
checkpoint context so that the log item can be released. In diagrammatic form,
the CIL would look like this before the flush:
CIL Head
|
V
Log Item <-> log vector 1 -> memory buffer
| -> vector array
V
Log Item <-> log vector 2 -> memory buffer
| -> vector array
V
......
|
V
Log Item <-> log vector N-1 -> memory buffer
| -> vector array
V
Log Item <-> log vector N -> memory buffer
-> vector array
And after the flush the CIL head is empty, and the checkpoint context log
vector list would look like:
Checkpoint Context
|
V
log vector 1 -> memory buffer
| -> vector array
| -> Log Item
V
log vector 2 -> memory buffer
| -> vector array
| -> Log Item
V
......
|
V
log vector N-1 -> memory buffer
| -> vector array
| -> Log Item
V
log vector N -> memory buffer
-> vector array
-> Log Item
Once this transfer is done, the CIL can be unlocked and new transactions can
start, while the checkpoint flush code works over the log vector chain to
commit the checkpoint.
Once the checkpoint is written into the log buffers, the checkpoint context is
attached to the log buffer that the commit record was written to along with a
completion callback. Log IO completion will call that callback, which can then
run transaction committed processing for the log items (i.e. insert into AIL
and unpin) in the log vector chain and then free the log vector chain and
checkpoint context.
Discussion Point: I am uncertain as to whether the log item is the most
efficient way to track vectors, even though it seems like the natural way to do
it. The fact that we walk the log items (in the CIL) just to chain the log
vectors and break the link between the log item and the log vector means that
we take a cache line hit for the log item list modification, then another for
the log vector chaining. If we track by the log vectors, then we only need to
break the link between the log item and the log vector, which means we should
dirty only the log item cachelines. Normally I wouldn't be concerned about one
vs two dirty cachelines except for the fact I've seen upwards of 80,000 log
vectors in one checkpoint transaction. I'd guess this is a "measure and
compare" situation that can be done after a working and reviewed implementation
is in the dev tree....
Delayed Logging: Checkpoint Sequencing
One of the key aspects of the XFS transaction subsystem is that it tags
committed transactions with the log sequence number of the transaction commit.
This allows transactions to be issued asynchronously even though there may be
future operations that cannot be completed until that transaction is fully
committed to the log. In the rare case that a dependent operation occurs (e.g.
re-using a freed metadata extent for a data extent), a special, optimised log
force can be issued to force the dependent transaction to disk immediately.
To do this, transactions need to record the LSN of the commit record of the
transaction. This LSN comes directly from the log buffer the transaction is
written into. While this works just fine for the existing transaction
mechanism, it does not work for delayed logging because transactions are not
written directly into the log buffers. Hence some other method of sequencing
transactions is required.
As discussed in the checkpoint section, delayed logging uses per-checkpoint
contexts, and as such it is simple to assign a sequence number to each
checkpoint. Because the switching of checkpoint contexts must be done
atomically, it is simple to ensure that each new context has a monotonically
increasing sequence number assigned to it without the need for an external
atomic counter - we can just take the current context sequence number and add
one to it for the new context.
Then, instead of assigning a log buffer LSN to the transaction commit LSN
during the commit, we can assign the current checkpoint sequence. This allows
operations that track transactions that have not yet completed know what
checkpoint sequence needs to be committed before they can continue. As a
result, the code that forces the log to a specific LSN now needs to ensure that
the log forces to a specific checkpoint.
To ensure that we can do this, we need to track all the checkpoint contexts
that are currently committing to the log. When we flush a checkpoint, the
context gets added to a "committing" list which can be searched. When a
checkpoint commit completes, it is removed from the committing list. Because
the checkpoint context records the LSN of the commit record for the checkpoint,
we can also wait on the log buffer that contains the commit record, thereby
using the existing log force mechanisms to execute synchronous forces.
It should be noted that the synchronous forces may need to be extended with
mitigation algorithms similar to the current log buffer code to allow
aggregation of multiple synchronous transactions if there are already
synchronous transactions being flushed. Investigation of the performance of the
current design is needed before making any decisions here.
The main concern with log forces is to ensure that all the previous checkpoints
are also committed to disk before the one we need to wait for. Therefore we
need to check that all the prior contexts in the committing list are also
complete before waiting on the one we need to complete. We do this
synchronisation in the log force code so that we don't need to wait anywhere
else for such serialisation - it only matters when we do a log force.
The only remaining complexity is that a log force now also has to handle the
case where the forcing sequence number is the same as the current context. That
is, we need to flush the CIL and potentially wait for it to complete. This is a
simple addition to the existing log forcing code to check the sequence numbers
and push if required. Indeed, placing the current sequence checkpoint flush in
the log force code enables the current mechanism for issuing synchronous
transactions to remain untouched (i.e. commit an asynchronous transaction, then
force the log at the LSN of that transaction) and so the higher level code
behaves the same regardless of whether delayed logging is being used or not.
Delayed Logging: Checkpoint Log Space Accounting
The big issue for a checkpoint transaction is the log space reservation for the
transaction. We don't know how big a checkpoint transaction is going to be
ahead of time, nor how many log buffers it will take to write out, nor the
number of split log vector regions are going to be used. We can track the
amount of log space required as we add items to the commit item list, but we
still need to reserve the space in the log for the checkpoint.
A typical transaction reserves enough space in the log for the worst case space
usage of the transaction. The reservation accounts for log record headers,
transaction and region headers, headers for split regions, buffer tail padding,
etc. as well as the actual space for all the changed metadata in the
transaction. While some of this is fixed overhead, much of it is dependent on
the size of the transaction and the number of regions being logged (the number
of log vectors in the transaction).
An example of the differences would be logging directory changes versus logging
inode changes. If you modify lots of inode cores (e.g. chmod -R g+w *), then
there are lots of transactions that only contain an inode core and an inode log
format structure. That is, two vectors totaling roughly 150 bytes. If we modify
10,000 inodes, we have about 1.5MB of metadata to write in 20,000 vectors. Each
vector is 12 bytes, so the total to be logged is approximately 1.75MB. In
comparison, if we are logging full directory buffers, they are typically 4KB
each, so we in 1.5MB of directory buffers we'd have roughly 400 buffers and a
buffer format structure for each buffer - roughly 800 vectors or 1.51MB total
space. From this, it should be obvious that a static log space reservation is
not particularly flexible and is difficult to select the "optimal value" for
all workloads.
Further, if we are going to use a static reservation, which bit of the entire
reservation does it cover? We account for space used by the transaction
reservation by tracking the space currently used by the object in the CIL and
then calculating the increase or decrease in space used as the object is
relogged. This allows for a checkpoint reservation to only have to account for
log buffer metadata used such as log header records.
However, even using a static reservation for just the log metadata is
problematic. Typically log record headers use at least 16KB of log space per
1MB of log space consumed (512 bytes per 32k) and the reservation needs to be
large enough to handle arbitrary sized checkpoint transactions. This
reservation needs to be made before the checkpoint is started, and we need to
be able to reserve the space without sleeping. For a 8MB checkpoint, we need a
reservation of around 150KB, which is a non-trivial amount of space.
A static reservation needs to manipulate the log grant counters - we can take a
permanent reservation on the space, but we still need to make sure we refresh
the write reservation (the actual space available to the transaction) after
every checkpoint transaction completion. Unfortunately, if this space is not
available when required, then the regrant code will sleep waiting for it.
The problem with this is that it can lead to deadlocks as we may need to commit
checkpoints to be able to free up log space (refer back to the description of
rolling transactions for an example of this). Hence we *must* always have
space available in the log if we are to use static reservations, and that is
very difficult and complex to arrange. It is possible to do, but there is a
simpler way.
The simpler way of doing this is tracking the entire log space used by the
items in the CIL and using this to dynamically calculate the amount of log
space required by the log metadata. If this log metadata space changes as a
result of a transaction commit inserting a new memory buffer into the CIL, then
the difference in space required is removed from the transaction that causes
the change. Transactions at this level will *always* have enough space
available in their reservation for this as they have already reserved the
maximal amount of log metadata space they require, and such a delta reservation
will always be less than or equal to the maximal amount in the reservation.
Hence we can grow the checkpoint transaction reservation dynamically as items
are added to the CIL and avoid the need for reserving and regranting log space
up front. This avoids deadlocks and removes a blocking point from the
checkpoint flush code.
As mentioned early, transactions can't grow to more than half the size of the
log. Hence as part of the reservation growing, we need to also check the size
of the reservation against the maximum allowed transaction size. If we reach
the maximum threshold, we need to push the CIL to the log. This is effectively
a "background flush" and is done on demand. This is identical to
a CIL push triggered by a log force, only that there is no waiting for the
checkpoint commit to complete. This background push is checked and executed by
transaction commit code.
If the transaction subsystem goes idle while we still have items in the CIL,
they will be flushed by the periodic log force issued by the xfssyncd. This log
force will push the CIL to disk, and if the transaction subsystem stays idle,
allow the idle log to be covered (effectively marked clean) in exactly the same
manner that is done for the existing logging method. A discussion point is
whether this log force needs to be done more frequently than the current rate
which is once every 30s.
Delayed Logging: Log Item Pinning
Currently log items are pinned during transaction commit while the items are
still locked. This happens just after the items are formatted, though it could
be done any time before the items are unlocked. The result of this mechanism is
that items get pinned once for every transaction that is committed to the log
buffers. Hence items that are relogged in the log buffers will have a pin count
for every outstanding transaction they were dirtied in. When each of these
transactions is completed, they will unpin the item once. As a result, the item
only becomes unpinned when all the transactions complete and there are no
pending transactions. Thus the pinning and unpinning of a log item is symmetric
as there is a 1:1 relationship with transaction commit and log item completion.
For delayed logging, however, we have an assymetric transaction commit to
completion relationship. Every time an object is relogged in the CIL it goes
through the commit process without a corresponding completion being registered.
That is, we now have a many-to-one relationship between transaction commit and
log item completion. The result of this is that pinning and unpinning of the
log items becomes unbalanced if we retain the "pin on transaction commit, unpin
on transaction completion" model.
To keep pin/unpin symmetry, the algorithm needs to change to a "pin on
insertion into the CIL, unpin on checkpoint completion". In other words, the
pinning and unpinning becomes symmetric around a checkpoint context. We have to
pin the object the first time it is inserted into the CIL - if it is already in
the CIL during a transaction commit, then we do not pin it again. Because there
can be multiple outstanding checkpoint contexts, we can still see elevated pin
counts, but as each checkpoint completes the pin count will retain the correct
value according to it's context.
Just to make matters more slightly more complex, this checkpoint level context
for the pin count means that the pinning of an item must take place under the
CIL commit/flush lock. If we pin the object outside this lock, we cannot
guarantee which context the pin count is associated with. This is because of
the fact pinning the item is dependent on whether the item is present in the
current CIL or not. If we don't pin the CIL first before we check and pin the
object, we have a race with CIL being flushed between the check and the pin
(or not pinning, as the case may be). Hence we must hold the CIL flush/commit
lock to guarantee that we pin the items correctly.
Delayed Logging: Concurrent Scalability
A fundamental requirement for the CIL is that accesses through transaction
commits must scale to many concurrent commits. The current transaction commit
code does not break down even when there are transactions coming from 2048
processors at once. The current transaction code does not go any faster than if
there was only one CPU using it, but it does not slow down either.
As a result, the delayed logging transaction commit code needs to be designed
for concurrency from the ground up. It is obvious that there are serialisation
points in the design - the three important ones are:
1. Locking out new transaction commits while flushing the CIL
2. Adding items to the CIL and updating item space accounting
3. Checkpoint commit ordering
Looking at the transaction commit and CIL flushing interactions, it is clear
that we have a many-to-one interaction here. That is, the only restriction on
the number of concurrent transactions that can be trying to commit at once is
the amount of space available in the log for their reservations. The practical
limit here is in the order of several hundred concurrent transactions for a
128MB log, which means that it is generally one per CPU in a machine.
The amount of time a transaction commit needs to hold out a flush is a
relatively long period of time - the pinning of log items needs to be done
while we are holding out a CIL flush, so at the moment that means it is held
across the formatting of the objects into memory buffers (i.e. while memcpy()s
are in progress). Ultimately a two pass algorithm where the formatting is done
separately to the pinning of objects could be used to reduce the hold time of
the transaction commit side.
Because of the number of potential transaction commit side holders, the lock
really needs to be a sleeping lock - if the CIL flush takes the lock, we do not
want every other CPU in the machine spinning on the CIL lock. Given that
flushing the CIL could involve walking a list of tens of thousands of log
items, it will get held for a significant time and so spin contention is a
significant concern. Preventing lots of CPUs spinning doing nothing is the
main reason for choosing a sleeping lock even though nothing in either the
transaction commit or CIL flush side sleeps with the lock held.
It should also be noted that CIL flushing is also a relatively rare operation
compared to transaction commit for asynchronous transaction workloads - only
time will tell if using a read-write semaphore for exclusion will limit
transaction commit concurrency due to cache line bouncing of the lock on the
read side.
The second serialisation point is on the transaction commit side where items
are inserted into the CIL. Because transactions can enter this code
concurrently, the CIL needs to be protected separately from the above
commit/flush exclusion. It also needs to be an exclusive lock but it is only
held for a very short time and so a spin lock is appropriate here. It is
possible that this lock will become a contention point, but given the short
hold time once per transaction I think that contention is unlikely.
The final serialisation point is the checkpoint commit record ordering code
that is run as part of the checkpoint commit and log force sequencing. The code
path that triggers a CIL flush (i.e. whatever triggers the log force) will enter
an ordering loop after writing all the log vectors into the log buffers but
before writing the commit record. This loop walks the list of committing
checkpoints and needs to block waiting for checkpoints to complete their commit
record write. As a result it needs a lock and a wait variable. Log force
sequencing also requires the same lock, list walk, and blocking mechanism to
ensure completion of checkpoints.
These two sequencing operations can use the mechanism even though the
events they are waiting for are different. The checkpoint commit record
sequencing needs to wait until checkpoint contexts contain a commit LSN
(obtained through completion of a commit record write) while log force
sequencing needs to wait until previous checkpoint contexts are removed from
the committing list (i.e. they've completed). A simple wait variable and
broadcast wakeups (thundering herds) has been used to implement these two
serialisation queues. They use the same lock as the CIL, too. If we see too
much contention on the CIL lock, or too many context switches as a result of
the broadcast wakeups these operations can be put under a new spinlock and
given separate wait lists to reduce lock contention and the number of processes
woken by the wrong event.
Lifecycle Changes
The existing log item life cycle is as follows:
1. Transaction allocate
2. Transaction reserve
3. Lock item
4. Join item to transaction
If not already attached,
Allocate log item
Attach log item to owner item
Attach log item to transaction
5. Modify item
Record modifications in log item
6. Transaction commit
Pin item in memory
Format item into log buffer
Write commit LSN into transaction
Unlock item
Attach transaction to log buffer
<log buffer IO dispatched>
<log buffer IO completes>
7. Transaction completion
Mark log item committed
Insert log item into AIL
Write commit LSN into log item
Unpin log item
8. AIL traversal
Lock item
Mark log item clean
Flush item to disk
<item IO completion>
9. Log item removed from AIL
Moves log tail
Item unlocked
Essentially, steps 1-6 operate independently from step 7, which is also
independent of steps 8-9. An item can be locked in steps 1-6 or steps 8-9
at the same time step 7 is occurring, but only steps 1-6 or 8-9 can occur
at the same time. If the log item is in the AIL or between steps 6 and 7
and steps 1-6 are re-entered, then the item is relogged. Only when steps 8-9
are entered and completed is the object considered clean.
With delayed logging, there are new steps inserted into the life cycle:
1. Transaction allocate
2. Transaction reserve
3. Lock item
4. Join item to transaction
If not already attached,
Allocate log item
Attach log item to owner item
Attach log item to transaction
5. Modify item
Record modifications in log item
6. Transaction commit
Pin item in memory if not pinned in CIL
Format item into log vector + buffer
Attach log vector and buffer to log item
Insert log item into CIL
Write CIL context sequence into transaction
Unlock item
<next log force>
7. CIL push
lock CIL flush
Chain log vectors and buffers together
Remove items from CIL
unlock CIL flush
write log vectors into log
sequence commit records
attach checkpoint context to log buffer
<log buffer IO dispatched>
<log buffer IO completes>
8. Checkpoint completion
Mark log item committed
Insert item into AIL
Write commit LSN into log item
Unpin log item
9. AIL traversal
Lock item
Mark log item clean
Flush item to disk
<item IO completion>
10. Log item removed from AIL
Moves log tail
Item unlocked
From this, it can be seen that the only life cycle differences between the two
logging methods are in the middle of the life cycle - they still have the same
beginning and end and execution constraints. The only differences are in the
commiting of the log items to the log itself and the completion processing.
Hence delayed logging should not introduce any constraints on log item
behaviour, allocation or freeing that don't already exist.
As a result of this zero-impact "insertion" of delayed logging infrastructure
and the design of the internal structures to avoid on disk format changes, we
can basically switch between delayed logging and the existing mechanism with a
mount option. Fundamentally, there is no reason why the log manager would not
be able to swap methods automatically and transparently depending on load
characteristics, but this should not be necessary if delayed logging works as
designed.
Roadmap:
2.6.35 Inclusion in mainline as an experimental mount option
=> approximately 2-3 months to merge window
=> needs to be in xfs-dev tree in 4-6 weeks
=> code is nearing readiness for review
2.6.37 Remove experimental tag from mount option
=> should be roughly 6 months after initial merge
=> enough time to:
=> gain confidence and fix problems reported by early
adopters (a.k.a. guinea pigs)
=> address worst performance regressions and undesired
behaviours
=> start tuning/optimising code for parallelism
=> start tuning/optimising algorithms consuming
excessive CPU time
2.6.39 Switch default mount option to use delayed logging
=> should be roughly 12 months after initial merge
=> enough time to shake out remaining problems before next round of
enterprise distro kernel rebases

51
Documentation/hwmon/dme1737
View file

@ -9,11 +9,15 @@ Supported chips:
* SMSC SCH3112, SCH3114, SCH3116
Prefix: 'sch311x'
Addresses scanned: none, address read from Super-I/O config space
Datasheet: http://www.nuhorizons.com/FeaturedProducts/Volume1/SMSC/311x.pdf
Datasheet: Available on the Internet
* SMSC SCH5027
Prefix: 'sch5027'
Addresses scanned: I2C 0x2c, 0x2d, 0x2e
Datasheet: Provided by SMSC upon request and under NDA
* SMSC SCH5127
Prefix: 'sch5127'
Addresses scanned: none, address read from Super-I/O config space
Datasheet: Provided by SMSC upon request and under NDA
Authors:
Juerg Haefliger <juergh@gmail.com>
@ -36,8 +40,8 @@ Description
-----------
This driver implements support for the hardware monitoring capabilities of the
SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, and SMSC
SCH311x Super-I/O chips. These chips feature monitoring of 3 temp sensors
SMSC DME1737 and Asus A8000 (which are the same), SMSC SCH5027, SCH311x,
and SCH5127 Super-I/O chips. These chips feature monitoring of 3 temp sensors
temp[1-3] (2 remote diodes and 1 internal), 7 voltages in[0-6] (6 external and
1 internal) and up to 6 fan speeds fan[1-6]. Additionally, the chips implement
up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and
@ -48,14 +52,14 @@ Fan[3-6] and pwm[3,5-6] are optional features and their availability depends on
the configuration of the chip. The driver will detect which features are
present during initialization and create the sysfs attributes accordingly.
For the SCH311x, fan[1-3] and pwm[1-3] are always present and fan[4-6] and
pwm[5-6] don't exist.
For the SCH311x and SCH5127, fan[1-3] and pwm[1-3] are always present and
fan[4-6] and pwm[5-6] don't exist.
The hardware monitoring features of the DME1737, A8000, and SCH5027 are only
accessible via SMBus, while the SCH311x only provides access via the ISA bus.
The driver will therefore register itself as an I2C client driver if it detects
a DME1737, A8000, or SCH5027 and as a platform driver if it detects a SCH311x
chip.
accessible via SMBus, while the SCH311x and SCH5127 only provide access via
the ISA bus. The driver will therefore register itself as an I2C client driver
if it detects a DME1737, A8000, or SCH5027 and as a platform driver if it
detects a SCH311x or SCH5127 chip.
Voltage Monitoring
@ -76,7 +80,7 @@ DME1737, A8000:
in6: Vbat (+3.0V) 0V - 4.38V
SCH311x:
in0: +2.5V 0V - 6.64V
in0: +2.5V 0V - 3.32V
in1: Vccp (processor core) 0V - 2V
in2: VCC (internal +3.3V) 0V - 4.38V
in3: +5V 0V - 6.64V
@ -93,6 +97,15 @@ SCH5027:
in5: VTR (+3.3V standby) 0V - 4.38V
in6: Vbat (+3.0V) 0V - 4.38V
SCH5127:
in0: +2.5 0V - 3.32V
in1: Vccp (processor core) 0V - 3V
in2: VCC (internal +3.3V) 0V - 4.38V
in3: V2_IN 0V - 1.5V
in4: V1_IN 0V - 1.5V
in5: VTR (+3.3V standby) 0V - 4.38V
in6: Vbat (+3.0V) 0V - 4.38V
Each voltage input has associated min and max limits which trigger an alarm
when crossed.
@ -293,3 +306,21 @@ pwm[1-3]_auto_point1_pwm RW Auto PWM pwm point. Auto_point1 is the
pwm[1-3]_auto_point2_pwm RO Auto PWM pwm point. Auto_point2 is the
full-speed duty-cycle which is hard-
wired to 255 (100% duty-cycle).
Chip Differences
----------------
Feature dme1737 sch311x sch5027 sch5127
-------------------------------------------------------
temp[1-3]_offset yes yes
vid yes
zone3 yes yes yes
zone[1-3]_hyst yes yes
pwm min/off yes yes
fan3 opt yes opt yes
pwm3 opt yes opt yes
fan4 opt opt
fan5 opt opt
pwm5 opt opt
fan6 opt opt
pwm6 opt opt

7
Documentation/hwmon/lm63
View file

@ -7,6 +7,11 @@ Supported chips:
Addresses scanned: I2C 0x4c
Datasheet: Publicly available at the National Semiconductor website
http://www.national.com/pf/LM/LM63.html
* National Semiconductor LM64
Prefix: 'lm64'
Addresses scanned: I2C 0x18 and 0x4e
Datasheet: Publicly available at the National Semiconductor website
http://www.national.com/pf/LM/LM64.html
Author: Jean Delvare <khali@linux-fr.org>
@ -55,3 +60,5 @@ The lm63 driver will not update its values more frequently than every
second; reading them more often will do no harm, but will return 'old'
values.
The LM64 is effectively an LM63 with GPIO lines. The driver does not
support these GPIO lines at present.

4
Documentation/hwmon/ltc4245
View file

@ -72,9 +72,7 @@ in6_min_alarm 5v output undervoltage alarm
in7_min_alarm 3v output undervoltage alarm
in8_min_alarm Vee (-12v) output undervoltage alarm
in9_input GPIO #1 voltage data
in10_input GPIO #2 voltage data
in11_input GPIO #3 voltage data
in9_input GPIO voltage data
power1_input 12v power usage (mW)
power2_input 5v power usage (mW)

13
Documentation/hwmon/sysfs-interface
View file

@ -80,9 +80,9 @@ All entries (except name) are optional, and should only be created in a
given driver if the chip has the feature.
********
* Name *
********
*********************
* Global attributes *
*********************
name The chip name.
This should be a short, lowercase string, not containing
@ -91,6 +91,13 @@ name The chip name.
I2C devices get this attribute created automatically.
RO
update_rate The rate at which the chip will update readings.
Unit: millisecond
RW
Some devices have a variable update rate. This attribute
can be used to change the update rate to the desired
frequency.
************
* Voltages *

26
Documentation/hwmon/tmp102 Normal file
View file

@ -0,0 +1,26 @@
Kernel driver tmp102
====================
Supported chips:
* Texas Instruments TMP102
Prefix: 'tmp102'
Addresses scanned: none
Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp102.html
Author:
Steven King <sfking@fdwdc.com>
Description
-----------
The Texas Instruments TMP102 implements one temperature sensor. Limits can be
set through the Overtemperature Shutdown register and Hysteresis register. The
sensor is accurate to 0.5 degree over the range of -25 to +85 C, and to 1.0
degree from -40 to +125 C. Resolution of the sensor is 0.0625 degree. The
operating temperature has a minimum of -55 C and a maximum of +150 C.
The TMP102 has a programmable update rate that can select between 8, 4, 1, and
0.5 Hz. (Currently the driver only supports the default of 4 Hz).
The driver provides the common sysfs-interface for temperatures (see
Documentation/hwmon/sysfs-interface under Temperatures).

29
Documentation/kernel-parameters.txt
View file

@ -145,11 +145,10 @@ and is between 256 and 4096 characters. It is defined in the file
acpi= [HW,ACPI,X86]
Advanced Configuration and Power Interface
Format: { force | off | ht | strict | noirq | rsdt }
Format: { force | off | strict | noirq | rsdt }
force -- enable ACPI if default was off
off -- disable ACPI if default was on
noirq -- do not use ACPI for IRQ routing
ht -- run only enough ACPI to enable Hyper Threading
strict -- Be less tolerant of platforms that are not
strictly ACPI specification compliant.
rsdt -- prefer RSDT over (default) XSDT
@ -290,9 +289,6 @@ and is between 256 and 4096 characters. It is defined in the file
advansys= [HW,SCSI]
See header of drivers/scsi/advansys.c.
advwdt= [HW,WDT] Advantech WDT
Format: <iostart>,<iostop>
aedsp16= [HW,OSS] Audio Excel DSP 16
Format: <io>,<irq>,<dma>,<mss_io>,<mpu_io>,<mpu_irq>
See also header of sound/oss/aedsp16.c.
@ -761,13 +757,14 @@ and is between 256 and 4096 characters. It is defined in the file
Default value is 0.
Value can be changed at runtime via /selinux/enforce.
erst_disable [ACPI]
Disable Error Record Serialization Table (ERST)
support.
ether= [HW,NET] Ethernet cards parameters
This option is obsoleted by the "netdev=" option, which
has equivalent usage. See its documentation for details.
eurwdt= [HW,WDT] Eurotech CPU-1220/1410 onboard watchdog.
Format: <io>[,<irq>]
failslab=
fail_page_alloc=
fail_make_request=[KNL]
@ -858,6 +855,11 @@ and is between 256 and 4096 characters. It is defined in the file
hd= [EIDE] (E)IDE hard drive subsystem geometry
Format: <cyl>,<head>,<sect>
hest_disable [ACPI]
Disable Hardware Error Source Table (HEST) support;
corresponding firmware-first mode error processing
logic will be disabled.
highmem=nn[KMG] [KNL,BOOT] forces the highmem zone to have an exact
size of <nn>. This works even on boxes that have no
highmem otherwise. This also works to reduce highmem
@ -1258,6 +1260,8 @@ and is between 256 and 4096 characters. It is defined in the file
* nohrst, nosrst, norst: suppress hard, soft
and both resets.
* dump_id: dump IDENTIFY data.
If there are multiple matching configurations changing
the same attribute, the last one is used.
@ -2267,9 +2271,6 @@ and is between 256 and 4096 characters. It is defined in the file
sched_debug [KNL] Enables verbose scheduler debug messages.
sc1200wdt= [HW,WDT] SC1200 WDT (watchdog) driver
Format: <io>[,<timeout>[,<isapnp>]]
scsi_debug_*= [SCSI]
See drivers/scsi/scsi_debug.c.
@ -2858,8 +2859,10 @@ and is between 256 and 4096 characters. It is defined in the file
wd7000= [HW,SCSI]
See header of drivers/scsi/wd7000.c.
wdt= [WDT] Watchdog
See Documentation/watchdog/wdt.txt.
watchdog timers [HW,WDT] For information on watchdog timers,
see Documentation/watchdog/watchdog-parameters.txt
or other driver-specific files in the
Documentation/watchdog/ directory.
x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of
default x2apic cluster mode on platforms

95
Documentation/spi/ep93xx_spi Normal file
View file

@ -0,0 +1,95 @@
Cirrus EP93xx SPI controller driver HOWTO
=========================================
ep93xx_spi driver brings SPI master support for EP93xx SPI controller. Chip
selects are implemented with GPIO lines.
NOTE: If possible, don't use SFRMOUT (SFRM1) signal as a chip select. It will
not work correctly (it cannot be controlled by software). Use GPIO lines
instead.
Sample configuration
====================
Typically driver configuration is done in platform board files (the files under
arch/arm/mach-ep93xx/*.c). In this example we configure MMC over SPI through
this driver on TS-7260 board. You can adapt the code to suit your needs.
This example uses EGPIO9 as SD/MMC card chip select (this is wired in DIO1
header on the board).
You need to select CONFIG_MMC_SPI to use mmc_spi driver.
arch/arm/mach-ep93xx/ts72xx.c:
...
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <mach/ep93xx_spi.h>
/* this is our GPIO line used for chip select */
#define MMC_CHIP_SELECT_GPIO EP93XX_GPIO_LINE_EGPIO9
static int ts72xx_mmc_spi_setup(struct spi_device *spi)
{
int err;
err = gpio_request(MMC_CHIP_SELECT_GPIO, spi->modalias);
if (err)
return err;
gpio_direction_output(MMC_CHIP_SELECT_GPIO, 1);
return 0;
}
static void ts72xx_mmc_spi_cleanup(struct spi_device *spi)
{
gpio_set_value(MMC_CHIP_SELECT_GPIO, 1);
gpio_direction_input(MMC_CHIP_SELECT_GPIO);
gpio_free(MMC_CHIP_SELECT_GPIO);
}
static void ts72xx_mmc_spi_cs_control(struct spi_device *spi, int value)
{
gpio_set_value(MMC_CHIP_SELECT_GPIO, value);
}
static struct ep93xx_spi_chip_ops ts72xx_mmc_spi_ops = {
.setup = ts72xx_mmc_spi_setup,
.cleanup = ts72xx_mmc_spi_cleanup,
.cs_control = ts72xx_mmc_spi_cs_control,
};
static struct spi_board_info ts72xx_spi_devices[] __initdata = {
{
.modalias = "mmc_spi",
.controller_data = &ts72xx_mmc_spi_ops,
/*
* We use 10 MHz even though the maximum is 7.4 MHz. The driver
* will limit it automatically to max. frequency.
*/
.max_speed_hz = 10 * 1000 * 1000,
.bus_num = 0,
.chip_select = 0,
.mode = SPI_MODE_0,
},
};
static struct ep93xx_spi_info ts72xx_spi_info = {
.num_chipselect = ARRAY_SIZE(ts72xx_spi_devices),
};
static void __init ts72xx_init_machine(void)
{
...
ep93xx_register_spi(&ts72xx_spi_info, ts72xx_spi_devices,
ARRAY_SIZE(ts72xx_spi_devices));
}
Thanks to
=========
Martin Guy, H. Hartley Sweeten and others who helped me during development of
the driver. Simplemachines.it donated me a Sim.One board which I used testing
the driver on EP9307.

4
Documentation/spi/spidev_fdx.c
View file

@ -58,10 +58,10 @@ static void do_msg(int fd, int len)
len = sizeof buf;
buf[0] = 0xaa;
xfer[0].tx_buf = (__u64) buf;
xfer[0].tx_buf = (unsigned long)buf;
xfer[0].len = 1;
xfer[1].rx_buf = (__u64) buf;
xfer[1].rx_buf = (unsigned long) buf;
xfer[1].len = len;
status = ioctl(fd, SPI_IOC_MESSAGE(2), xfer);

25
Documentation/sysctl/vm.txt
View file

@ -19,6 +19,7 @@ files can be found in mm/swap.c.
Currently, these files are in /proc/sys/vm:
- block_dump
- compact_memory
- dirty_background_bytes
- dirty_background_ratio
- dirty_bytes
@ -26,6 +27,7 @@ Currently, these files are in /proc/sys/vm:
- dirty_ratio
- dirty_writeback_centisecs
- drop_caches
- extfrag_threshold
- hugepages_treat_as_movable
- hugetlb_shm_group
- laptop_mode
@ -64,6 +66,15 @@ information on block I/O debugging is in Documentation/laptops/laptop-mode.txt.
==============================================================
compact_memory
Available only when CONFIG_COMPACTION is set. When 1 is written to the file,
all zones are compacted such that free memory is available in contiguous
blocks where possible. This can be important for example in the allocation of
huge pages although processes will also directly compact memory as required.
==============================================================
dirty_background_bytes
Contains the amount of dirty memory at which the pdflush background writeback
@ -139,6 +150,20 @@ user should run `sync' first.
==============================================================
extfrag_threshold
This parameter affects whether the kernel will compact memory or direct
reclaim to satisfy a high-order allocation. /proc/extfrag_index shows what
the fragmentation index for each order is in each zone in the system. Values
tending towards 0 imply allocations would fail due to lack of memory,
values towards 1000 imply failures are due to fragmentation and -1 implies
that the allocation will succeed as long as watermarks are met.
The kernel will not compact memory in a zone if the
fragmentation index is <= extfrag_threshold. The default value is 500.
==============================================================
hugepages_treat_as_movable
This parameter is only useful when kernelcore= is specified at boot time to

2
Documentation/timers/hpet_example.c
View file

@ -10,7 +10,6 @@
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/time.h>
#include <linux/hpet.h>
@ -24,7 +23,6 @@ extern void hpet_read(int, const char **);
#include <sys/poll.h>
#include <sys/ioctl.h>
#include <signal.h>
struct hpet_command {
char *command;

2
Documentation/vm/map_hugetlb.c
View file

@ -19,7 +19,7 @@
#define PROTECTION (PROT_READ | PROT_WRITE)
#ifndef MAP_HUGETLB
#define MAP_HUGETLB 0x40
#define MAP_HUGETLB 0x40000 /* arch specific */
#endif
/* Only ia64 requires this */

176
Documentation/vm/numa
View file

@ -1,41 +1,149 @@
Started Nov 1999 by Kanoj Sarcar <kanoj@sgi.com>
The intent of this file is to have an uptodate, running commentary
from different people about NUMA specific code in the Linux vm.
What is NUMA?
What is NUMA? It is an architecture where the memory access times
for different regions of memory from a given processor varies
according to the "distance" of the memory region from the processor.
Each region of memory to which access times are the same from any
cpu, is called a node. On such architectures, it is beneficial if
the kernel tries to minimize inter node communications. Schemes
for this range from kernel text and read-only data replication
across nodes, and trying to house all the data structures that
key components of the kernel need on memory on that node.
This question can be answered from a couple of perspectives: the
hardware view and the Linux software view.
Currently, all the numa support is to provide efficient handling
of widely discontiguous physical memory, so architectures which
are not NUMA but can have huge holes in the physical address space
can use the same code. All this code is bracketed by CONFIG_DISCONTIGMEM.
From the hardware perspective, a NUMA system is a computer platform that
comprises multiple components or assemblies each of which may contain 0
or more CPUs, local memory, and/or IO buses. For brevity and to
disambiguate the hardware view of these physical components/assemblies
from the software abstraction thereof, we'll call the components/assemblies
'cells' in this document.
The initial port includes NUMAizing the bootmem allocator code by
encapsulating all the pieces of information into a bootmem_data_t
structure. Node specific calls have been added to the allocator.
In theory, any platform which uses the bootmem allocator should
be able to put the bootmem and mem_map data structures anywhere
it deems best.
Each of the 'cells' may be viewed as an SMP [symmetric multi-processor] subset
of the system--although some components necessary for a stand-alone SMP system
may not be populated on any given cell. The cells of the NUMA system are
connected together with some sort of system interconnect--e.g., a crossbar or
point-to-point link are common types of NUMA system interconnects. Both of
these types of interconnects can be aggregated to create NUMA platforms with
cells at multiple distances from other cells.
Each node's page allocation data structures have also been encapsulated
into a pg_data_t. The bootmem_data_t is just one part of this. To
make the code look uniform between NUMA and regular UMA platforms,
UMA platforms have a statically allocated pg_data_t too (contig_page_data).
For the sake of uniformity, the function num_online_nodes() is also defined
for all platforms. As we run benchmarks, we might decide to NUMAize
more variables like low_on_memory, nr_free_pages etc into the pg_data_t.
For Linux, the NUMA platforms of interest are primarily what is known as Cache
Coherent NUMA or ccNUMA systems. With ccNUMA systems, all memory is visible
to and accessible from any CPU attached to any cell and cache coherency
is handled in hardware by the processor caches and/or the system interconnect.
The NUMA aware page allocation code currently tries to allocate pages
from different nodes in a round robin manner. This will be changed to
do concentratic circle search, starting from current node, once the
NUMA port achieves more maturity. The call alloc_pages_node has been
added, so that drivers can make the call and not worry about whether
it is running on a NUMA or UMA platform.
Memory access time and effective memory bandwidth varies depending on how far
away the cell containing the CPU or IO bus making the memory access is from the
cell containing the target memory. For example, access to memory by CPUs
attached to the same cell will experience faster access times and higher
bandwidths than accesses to memory on other, remote cells. NUMA platforms
can have cells at multiple remote distances from any given cell.
Platform vendors don't build NUMA systems just to make software developers'
lives interesting. Rather, this architecture is a means to provide scalable
memory bandwidth. However, to achieve scalable memory bandwidth, system and
application software must arrange for a large majority of the memory references
[cache misses] to be to "local" memory--memory on the same cell, if any--or
to the closest cell with memory.
This leads to the Linux software view of a NUMA system:
Linux divides the system's hardware resources into multiple software
abstractions called "nodes". Linux maps the nodes onto the physical cells
of the hardware platform, abstracting away some of the details for some
architectures. As with physical cells, software nodes may contain 0 or more
CPUs, memory and/or IO buses. And, again, memory accesses to memory on
"closer" nodes--nodes that map to closer cells--will generally experience
faster access times and higher effective bandwidth than accesses to more
remote cells.
For some architectures, such as x86, Linux will "hide" any node representing a
physical cell that has no memory attached, and reassign any CPUs attached to
that cell to a node representing a cell that does have memory. Thus, on
these architectures, one cannot assume that all CPUs that Linux associates with
a given node will see the same local memory access times and bandwidth.
In addition, for some architectures, again x86 is an example, Linux supports
the emulation of additional nodes. For NUMA emulation, linux will carve up
the existing nodes--or the system memory for non-NUMA platforms--into multiple
nodes. Each emulated node will manage a fraction of the underlying cells'
physical memory. NUMA emluation is useful for testing NUMA kernel and
application features on non-NUMA platforms, and as a sort of memory resource
management mechanism when used together with cpusets.
[see Documentation/cgroups/cpusets.txt]
For each node with memory, Linux constructs an independent memory management
subsystem, complete with its own free page lists, in-use page lists, usage
statistics and locks to mediate access. In addition, Linux constructs for
each memory zone [one or more of DMA, DMA32, NORMAL, HIGH_MEMORY, MOVABLE],
an ordered "zonelist". A zonelist specifies the zones/nodes to visit when a
selected zone/node cannot satisfy the allocation request. This situation,
when a zone has no available memory to satisfy a request, is called
"overflow" or "fallback".
Because some nodes contain multiple zones containing different types of
memory, Linux must decide whether to order the zonelists such that allocations
fall back to the same zone type on a different node, or to a different zone
type on the same node. This is an important consideration because some zones,
such as DMA or DMA32, represent relatively scarce resources. Linux chooses
a default zonelist order based on the sizes of the various zone types relative
to the total memory of the node and the total memory of the system. The
default zonelist order may be overridden using the numa_zonelist_order kernel
boot parameter or sysctl. [see Documentation/kernel-parameters.txt and
Documentation/sysctl/vm.txt]
By default, Linux will attempt to satisfy memory allocation requests from the
node to which the CPU that executes the request is assigned. Specifically,
Linux will attempt to allocate from the first node in the appropriate zonelist
for the node where the request originates. This is called "local allocation."
If the "local" node cannot satisfy the request, the kernel will examine other
nodes' zones in the selected zonelist looking for the first zone in the list
that can satisfy the request.
Local allocation will tend to keep subsequent access to the allocated memory
"local" to the underlying physical resources and off the system interconnect--
as long as the task on whose behalf the kernel allocated some memory does not
later migrate away from that memory. The Linux scheduler is aware of the
NUMA topology of the platform--embodied in the "scheduling domains" data
structures [see Documentation/scheduler/sched-domains.txt]--and the scheduler
attempts to minimize task migration to distant scheduling domains. However,
the scheduler does not take a task's NUMA footprint into account directly.
Thus, under sufficient imbalance, tasks can migrate between nodes, remote
from their initial node and kernel data structures.
System administrators and application designers can restrict a task's migration
to improve NUMA locality using various CPU affinity command line interfaces,
such as taskset(1) and numactl(1), and program interfaces such as
sched_setaffinity(2). Further, one can modify the kernel's default local
allocation behavior using Linux NUMA memory policy.
[see Documentation/vm/numa_memory_policy.]
System administrators can restrict the CPUs and nodes' memories that a non-
privileged user can specify in the scheduling or NUMA commands and functions
using control groups and CPUsets. [see Documentation/cgroups/CPUsets.txt]
On architectures that do not hide memoryless nodes, Linux will include only
zones [nodes] with memory in the zonelists. This means that for a memoryless
node the "local memory node"--the node of the first zone in CPU's node's
zonelist--will not be the node itself. Rather, it will be the node that the
kernel selected as the nearest node with memory when it built the zonelists.
So, default, local allocations will succeed with the kernel supplying the
closest available memory. This is a consequence of the same mechanism that
allows such allocations to fallback to other nearby nodes when a node that
does contain memory overflows.
Some kernel allocations do not want or cannot tolerate this allocation fallback
behavior. Rather they want to be sure they get memory from the specified node
or get notified that the node has no free memory. This is usually the case when
a subsystem allocates per CPU memory resources, for example.
A typical model for making such an allocation is to obtain the node id of the
node to which the "current CPU" is attached using one of the kernel's
numa_node_id() or CPU_to_node() functions and then request memory from only
the node id returned. When such an allocation fails, the requesting subsystem
may revert to its own fallback path. The slab kernel memory allocator is an
example of this. Or, the subsystem may choose to disable or not to enable
itself on allocation failure. The kernel profiling subsystem is an example of
this.
If the architecture supports--does not hide--memoryless nodes, then CPUs
attached to memoryless nodes would always incur the fallback path overhead
or some subsystems would fail to initialize if they attempted to allocated
memory exclusively from a node without memory. To support such
architectures transparently, kernel subsystems can use the numa_mem_id()
or cpu_to_mem() function to locate the "local memory node" for the calling or
specified CPU. Again, this is the same node from which default, local page
allocations will be attempted.

5
Documentation/watchdog/00-INDEX
View file

@ -1,10 +1,15 @@
00-INDEX
- this file.
hpwdt.txt
- information on the HP iLO2 NMI watchdog
pcwd-watchdog.txt
- documentation for Berkshire Products PC Watchdog ISA cards.
src/
- directory holding watchdog related example programs.
watchdog-api.txt
- description of the Linux Watchdog driver API.
watchdog-parameters.txt
- information on driver parameters (for drivers other than
the ones that have driver-specific files here)
wdt.txt
- description of the Watchdog Timer Interfaces for Linux.

390
Documentation/watchdog/watchdog-parameters.txt Normal file
View file

@ -0,0 +1,390 @@
This file provides information on the module parameters of many of
the Linux watchdog drivers. Watchdog driver parameter specs should
be listed here unless the driver has its own driver-specific information
file.
See Documentation/kernel-parameters.txt for information on
providing kernel parameters for builtin drivers versus loadable
modules.
-------------------------------------------------
acquirewdt:
wdt_stop: Acquire WDT 'stop' io port (default 0x43)
wdt_start: Acquire WDT 'start' io port (default 0x443)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
advantechwdt:
wdt_stop: Advantech WDT 'stop' io port (default 0x443)
wdt_start: Advantech WDT 'start' io port (default 0x443)
timeout: Watchdog timeout in seconds. 1<= timeout <=63, default=60.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
alim1535_wdt:
timeout: Watchdog timeout in seconds. (0 < timeout < 18000, default=60
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
alim7101_wdt:
timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30
use_gpio: Use the gpio watchdog (required by old cobalt boards).
default=0/off/no
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
ar7_wdt:
margin: Watchdog margin in seconds (default=60)
nowayout: Disable watchdog shutdown on close
(default=kernel config parameter)
-------------------------------------------------
at32ap700x_wdt:
timeout: Timeout value. Limited to be 1 or 2 seconds. (default=2)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
at91rm9200_wdt:
wdt_time: Watchdog time in seconds. (default=5)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
at91sam9_wdt:
heartbeat: Watchdog heartbeats in seconds. (default = 15)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
bcm47xx_wdt:
wdt_time: Watchdog time in seconds. (default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
bfin_wdt:
timeout: Watchdog timeout in seconds. (1<=timeout<=((2^32)/SCLK), default=20)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
coh901327_wdt:
margin: Watchdog margin in seconds (default 60s)
-------------------------------------------------
cpu5wdt:
port: base address of watchdog card, default is 0x91
verbose: be verbose, default is 0 (no)
ticks: count down ticks, default is 10000
-------------------------------------------------
cpwd:
wd0_timeout: Default watchdog0 timeout in 1/10secs
wd1_timeout: Default watchdog1 timeout in 1/10secs
wd2_timeout: Default watchdog2 timeout in 1/10secs
-------------------------------------------------
davinci_wdt:
heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60
-------------------------------------------------
ep93xx_wdt:
nowayout: Watchdog cannot be stopped once started
timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD)
-------------------------------------------------
eurotechwdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
io: Eurotech WDT io port (default=0x3f0)
irq: Eurotech WDT irq (default=10)
ev: Eurotech WDT event type (default is `int')
-------------------------------------------------
gef_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
geodewdt:
timeout: Watchdog timeout in seconds. 1<= timeout <=131, default=60.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
i6300esb:
heartbeat: Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
iTCO_wdt:
heartbeat: Watchdog heartbeat in seconds.
(2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
iTCO_vendor_support:
vendorsupport: iTCO vendor specific support mode, default=0 (none),
1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS
-------------------------------------------------
ib700wdt:
timeout: Watchdog timeout in seconds. 0<= timeout <=30, default=30.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
ibmasr:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
indydog:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
iop_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
it8712f_wdt:
margin: Watchdog margin in seconds (default 60)
nowayout: Disable watchdog shutdown on close
(default=kernel config parameter)
-------------------------------------------------
it87_wdt:
nogameport: Forbid the activation of game port, default=0
exclusive: Watchdog exclusive device open, default=1
timeout: Watchdog timeout in seconds, default=60
testmode: Watchdog test mode (1 = no reboot), default=0
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
ixp2000_wdt:
heartbeat: Watchdog heartbeat in seconds (default 60s)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
ixp4xx_wdt:
heartbeat: Watchdog heartbeat in seconds (default 60s)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
ks8695_wdt:
wdt_time: Watchdog time in seconds. (default=5)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
machzwd:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
action: after watchdog resets, generate:
0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI
-------------------------------------------------
max63xx_wdt:
heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 60
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
nodelay: Force selection of a timeout setting without initial delay
(max6373/74 only, default=0)
-------------------------------------------------
mixcomwd:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
mpc8xxx_wdt:
timeout: Watchdog timeout in ticks. (0<timeout<65536, default=65535)
reset: Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
mpcore_wdt:
mpcore_margin: MPcore timer margin in seconds.
(0 < mpcore_margin < 65536, default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
mpcore_noboot: MPcore watchdog action, set to 1 to ignore reboots,
0 to reboot (default=0
-------------------------------------------------
mv64x60_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
nuc900_wdt:
heartbeat: Watchdog heartbeats in seconds.
(default = 15)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
omap_wdt:
timer_margin: initial watchdog timeout (in seconds)
-------------------------------------------------
orion_wdt:
heartbeat: Initial watchdog heartbeat in seconds
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
pc87413_wdt:
io: pc87413 WDT I/O port (default: io).
timeout: Watchdog timeout in minutes (default=timeout).
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
pika_wdt:
heartbeat: Watchdog heartbeats in seconds. (default = 15)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
pnx4008_wdt:
heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 19
nowayout: Set to 1 to keep watchdog running after device release
-------------------------------------------------
pnx833x_wdt:
timeout: Watchdog timeout in Mhz. (68Mhz clock), default=2040000000 (30 seconds)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
start_enabled: Watchdog is started on module insertion (default=1)
-------------------------------------------------
rc32434_wdt:
timeout: Watchdog timeout value, in seconds (default=20)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
riowd:
riowd_timeout: Watchdog timeout in minutes (default=1)
-------------------------------------------------
s3c2410_wdt:
tmr_margin: Watchdog tmr_margin in seconds. (default=15)
tmr_atboot: Watchdog is started at boot time if set to 1, default=0
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
soft_noboot: Watchdog action, set to 1 to ignore reboots, 0 to reboot
debug: Watchdog debug, set to >1 for debug, (default 0)
-------------------------------------------------
sa1100_wdt:
margin: Watchdog margin in seconds (default 60s)
-------------------------------------------------
sb_wdog:
timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs)
-------------------------------------------------
sbc60xxwdt:
wdt_stop: SBC60xx WDT 'stop' io port (default 0x45)
wdt_start: SBC60xx WDT 'start' io port (default 0x443)
timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sbc7240_wdt:
timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30)
nowayout: Disable watchdog when closing device file
-------------------------------------------------
sbc8360:
timeout: Index into timeout table (0-63) (default=27 (60s))
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sbc_epx_c3:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sbc_fitpc2_wdt:
margin: Watchdog margin in seconds (default 60s)
nowayout: Watchdog cannot be stopped once started
-------------------------------------------------
sc1200wdt:
isapnp: When set to 0 driver ISA PnP support will be disabled (default=1)
io: io port
timeout: range is 0-255 minutes, default is 1
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sc520_wdt:
timeout: Watchdog timeout in seconds. (1 <= timeout <= 3600, default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sch311x_wdt:
force_id: Override the detected device ID
therm_trip: Should a ThermTrip trigger the reset generator
timeout: Watchdog timeout in seconds. 1<= timeout <=15300, default=60
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
scx200_wdt:
margin: Watchdog margin in seconds
nowayout: Disable watchdog shutdown on close
-------------------------------------------------
shwdt:
clock_division_ratio: Clock division ratio. Valid ranges are from 0x5 (1.31ms)
to 0x7 (5.25ms). (default=7)
heartbeat: Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default=30
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
smsc37b787_wdt:
timeout: range is 1-255 units, default is 60
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
softdog:
soft_margin: Watchdog soft_margin in seconds.
(0 < soft_margin < 65536, default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
soft_noboot: Softdog action, set to 1 to ignore reboots, 0 to reboot
(default=0)
-------------------------------------------------
stmp3xxx_wdt:
heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19
-------------------------------------------------
ts72xx_wdt:
timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8)
nowayout: Disable watchdog shutdown on close
-------------------------------------------------
twl4030_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
txx9wdt:
timeout: Watchdog timeout in seconds. (0<timeout<N, default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
w83627hf_wdt:
wdt_io: w83627hf/thf WDT io port (default 0x2E)
timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
w83697hf_wdt:
wdt_io: w83697hf/hg WDT io port (default 0x2e, 0 = autodetect)
timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
early_disable: Watchdog gets disabled at boot time (default=1)
-------------------------------------------------
w83697ug_wdt:
wdt_io: w83697ug/uf WDT io port (default 0x2e)
timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
w83877f_wdt:
timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
w83977f_wdt:
timeout: Watchdog timeout in seconds (15..7635), default=45)
testmode: Watchdog testmode (1 = no reboot), default=0
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
wafer5823wdt:
timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
wdt285:
soft_margin: Watchdog timeout in seconds (default=60)
-------------------------------------------------
wdt977:
timeout: Watchdog timeout in seconds (60..15300, default=60)
testmode: Watchdog testmode (1 = no reboot), default=0
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
wm831x_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
wm8350_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------

15
Documentation/watchdog/wdt.txt
View file

@ -14,14 +14,22 @@ reboot will depend on the state of the machines and interrupts. The hardware
boards physically pull the machine down off their own onboard timers and
will reboot from almost anything.
A second temperature monitoring interface is available on the WDT501P cards
A second temperature monitoring interface is available on the WDT501P cards.
This provides /dev/temperature. This is the machine internal temperature in
degrees Fahrenheit. Each read returns a single byte giving the temperature.
The third interface logs kernel messages on additional alert events.
The wdt card cannot be safely probed for. Instead you need to pass
wdt=ioaddr,irq as a boot parameter - eg "wdt=0x240,11".
The ICS ISA-bus wdt card cannot be safely probed for. Instead you need to
pass IO address and IRQ boot parameters. E.g.:
wdt.io=0x240 wdt.irq=11
Other "wdt" driver parameters are:
heartbeat Watchdog heartbeat in seconds (default 60)
nowayout Watchdog cannot be stopped once started (kernel
build parameter)
tachometer WDT501-P Fan Tachometer support (0=disable, default=0)
type WDT501-P Card type (500 or 501, default=500)
Features
--------
@ -40,4 +48,3 @@ Minor numbers are however allocated for it.
Example Watchdog Driver: see Documentation/watchdog/src/watchdog-simple.c

28
MAINTAINERS
View file

@ -970,6 +970,18 @@ M: Wan ZongShun <mcuos.com@gmail.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.mcuos.com
S: Maintained
F: arch/arm/mach-w90x900/
F: arch/arm/mach-nuc93x/
F: drivers/input/keyboard/w90p910_keypad.c
F: drivers/input/touchscreen/w90p910_ts.c
F: drivers/watchdog/nuc900_wdt.c
F: drivers/net/arm/w90p910_ether.c
F: drivers/mtd/nand/w90p910_nand.c
F: drivers/rtc/rtc-nuc900.c
F: drivers/spi/spi_nuc900.c
F: drivers/usb/host/ehci-w90x900.c
F: drivers/video/nuc900fb.c
F: drivers/sound/soc/nuc900/
ARM/U300 MACHINE SUPPORT
M: Linus Walleij <linus.walleij@stericsson.com>
@ -2876,6 +2888,13 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git
S: Maintained
F: drivers/input/
INTEL IDLE DRIVER
M: Len Brown <lenb@kernel.org>
L: linux-pm@lists.linux-foundation.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6.git
S: Supported
F: drivers/idle/intel_idle.c
INTEL FRAMEBUFFER DRIVER (excluding 810 and 815)
M: Maik Broemme <mbroemme@plusserver.de>
L: linux-fbdev@vger.kernel.org
@ -4825,6 +4844,9 @@ W: http://www.ibm.com/developerworks/linux/linux390/
S: Supported
F: arch/s390/
F: drivers/s390/
F: fs/partitions/ibm.c
F: Documentation/s390/
F: Documentation/DocBook/s390*
S390 NETWORK DRIVERS
M: Ursula Braun <ursula.braun@de.ibm.com>
@ -4993,6 +5015,12 @@ L: linux-mmc@vger.kernel.org
S: Maintained
F: drivers/mmc/host/sdhci-s3c.c
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) ST SPEAR DRIVER
M: Viresh Kumar <viresh.kumar@st.com>
L: linux-mmc@vger.kernel.org
S: Maintained
F: drivers/mmc/host/sdhci-spear.c
SECURITY SUBSYSTEM
M: James Morris <jmorris@namei.org>
L: linux-security-module@vger.kernel.org (suggested Cc:)

4
Makefile
View file

@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 34
EXTRAVERSION =
SUBLEVEL = 35
EXTRAVERSION = -rc1
NAME = Sheep on Meth
# *DOCUMENTATION*

7
arch/alpha/Kconfig
View file

@ -51,10 +51,6 @@ config GENERIC_TIME
bool
default y
config ARCH_USES_GETTIMEOFFSET
bool
default y
config GENERIC_CMOS_UPDATE
def_bool y
@ -65,6 +61,9 @@ config ZONE_DMA
config NEED_DMA_MAP_STATE
def_bool y
config NEED_SG_DMA_LENGTH
def_bool y
config GENERIC_ISA_DMA
bool
default y

20
arch/alpha/include/asm/bitops.h
View file

@ -438,22 +438,20 @@ static inline unsigned int __arch_hweight8(unsigned int w)
/*
* Every architecture must define this function. It's the fastest
* way of searching a 140-bit bitmap where the first 100 bits are
* unlikely to be set. It's guaranteed that at least one of the 140
* bits is set.
* way of searching a 100-bit bitmap. It's guaranteed that at least
* one of the 100 bits is cleared.
*/
static inline unsigned long
sched_find_first_bit(unsigned long b[3])
sched_find_first_bit(const unsigned long b[2])
{
unsigned long b0 = b[0], b1 = b[1], b2 = b[2];
unsigned long ofs;
unsigned long b0, b1, ofs, tmp;
ofs = (b1 ? 64 : 128);
b1 = (b1 ? b1 : b2);
ofs = (b0 ? 0 : ofs);
b0 = (b0 ? b0 : b1);
b0 = b[0];
b1 = b[1];
ofs = (b0 ? 0 : 64);
tmp = (b0 ? b0 : b1);
return __ffs(b0) + ofs;
return __ffs(tmp) + ofs;
}
#include <asm-generic/bitops/ext2-non-atomic.h>

19
arch/alpha/include/asm/scatterlist.h
View file

@ -1,24 +1,7 @@
#ifndef _ALPHA_SCATTERLIST_H
#define _ALPHA_SCATTERLIST_H
#include <asm/page.h>
#include <asm/types.h>
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
#endif
unsigned long page_link;
unsigned int offset;
unsigned int length;
dma_addr_t dma_address;
__u32 dma_length;
};
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->dma_length)
#include <asm-generic/scatterlist.h>
#define ISA_DMA_THRESHOLD (~0UL)

69
arch/alpha/kernel/time.c
View file

@ -51,6 +51,7 @@
#include <linux/mc146818rtc.h>
#include <linux/time.h>
#include <linux/timex.h>
#include <linux/clocksource.h>
#include "proto.h"
#include "irq_impl.h"
@ -332,6 +333,34 @@ rpcc_after_update_in_progress(void)
return rpcc();
}
#ifndef CONFIG_SMP
/* Until and unless we figure out how to get cpu cycle counters
in sync and keep them there, we can't use the rpcc. */
static cycle_t read_rpcc(struct clocksource *cs)
{
cycle_t ret = (cycle_t)rpcc();
return ret;
}
static struct clocksource clocksource_rpcc = {
.name = "rpcc",
.rating = 300,
.read = read_rpcc,
.mask = CLOCKSOURCE_MASK(32),
.flags = CLOCK_SOURCE_IS_CONTINUOUS
};
static inline void register_rpcc_clocksource(long cycle_freq)
{
clocksource_calc_mult_shift(&clocksource_rpcc, cycle_freq, 4);
clocksource_register(&clocksource_rpcc);
}
#else /* !CONFIG_SMP */
static inline void register_rpcc_clocksource(long cycle_freq)
{
}
#endif /* !CONFIG_SMP */
void __init
time_init(void)
{
@ -385,6 +414,8 @@ time_init(void)
__you_loose();
}
register_rpcc_clocksource(cycle_freq);
state.last_time = cc1;
state.scaled_ticks_per_cycle
= ((unsigned long) HZ << FIX_SHIFT) / cycle_freq;
@ -394,44 +425,6 @@ time_init(void)
alpha_mv.init_rtc();
}
/*
* Use the cycle counter to estimate an displacement from the last time
* tick. Unfortunately the Alpha designers made only the low 32-bits of
* the cycle counter active, so we overflow on 8.2 seconds on a 500MHz
* part. So we can't do the "find absolute time in terms of cycles" thing
* that the other ports do.
*/
u32 arch_gettimeoffset(void)
{
#ifdef CONFIG_SMP
/* Until and unless we figure out how to get cpu cycle counters
in sync and keep them there, we can't use the rpcc tricks. */
return 0;
#else
unsigned long delta_cycles, delta_usec, partial_tick;
delta_cycles = rpcc() - state.last_time;
partial_tick = state.partial_tick;
/*
* usec = cycles * ticks_per_cycle * 2**48 * 1e6 / (2**48 * ticks)
* = cycles * (s_t_p_c) * 1e6 / (2**48 * ticks)
* = cycles * (s_t_p_c) * 15625 / (2**42 * ticks)
*
* which, given a 600MHz cycle and a 1024Hz tick, has a
* dynamic range of about 1.7e17, which is less than the
* 1.8e19 in an unsigned long, so we are safe from overflow.
*
* Round, but with .5 up always, since .5 to even is harder
* with no clear gain.
*/
delta_usec = (delta_cycles * state.scaled_ticks_per_cycle
+ partial_tick) * 15625;
delta_usec = ((delta_usec / ((1UL << (FIX_SHIFT-6-1)) * HZ)) + 1) / 2;
return delta_usec * 1000;
#endif
}
/*
* In order to set the CMOS clock precisely, set_rtc_mmss has to be
* called 500 ms after the second nowtime has started, because when

11
arch/alpha/mm/fault.c
View file

@ -142,7 +142,6 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
goto bad_area;
}
survive:
/* If for any reason at all we couldn't handle the fault,
make sure we exit gracefully rather than endlessly redo
the fault. */
@ -188,16 +187,10 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
/* We ran out of memory, or some other thing happened to us that
made us unable to handle the page fault gracefully. */
out_of_memory:
if (is_global_init(current)) {
yield();
down_read(&mm->mmap_sem);
goto survive;
}
printk(KERN_ALERT "VM: killing process %s(%d)\n",
current->comm, task_pid_nr(current));
if (!user_mode(regs))
goto no_context;
do_group_exit(SIGKILL);
pagefault_out_of_memory();
return;
do_sigbus:
/* Send a sigbus, regardless of whether we were in kernel

25
arch/arm/Kconfig
View file

@ -671,6 +671,7 @@ config ARCH_S5P6440
select CPU_V6
select GENERIC_GPIO
select HAVE_CLK
select ARCH_USES_GETTIMEOFFSET
help
Samsung S5P6440 CPU based systems
@ -679,17 +680,19 @@ config ARCH_S5P6442
select CPU_V6
select GENERIC_GPIO
select HAVE_CLK
select ARCH_USES_GETTIMEOFFSET
help
Samsung S5P6442 CPU based systems
config ARCH_S5PC1XX
bool "Samsung S5PC1XX"
config ARCH_S5PC100
bool "Samsung S5PC100"
select GENERIC_GPIO
select HAVE_CLK
select CPU_V7
select ARM_L1_CACHE_SHIFT_6
select ARCH_USES_GETTIMEOFFSET
help
Samsung S5PC1XX series based systems
Samsung S5PC100 series based systems
config ARCH_S5PV210
bool "Samsung S5PV210/S5PC110"
@ -697,6 +700,7 @@ config ARCH_S5PV210
select GENERIC_GPIO
select HAVE_CLK
select ARM_L1_CACHE_SHIFT_6
select ARCH_USES_GETTIMEOFFSET
help
Samsung S5PV210/S5PC110 series based systems
@ -876,7 +880,7 @@ source "arch/arm/mach-sa1100/Kconfig"
source "arch/arm/plat-samsung/Kconfig"
source "arch/arm/plat-s3c24xx/Kconfig"
source "arch/arm/plat-s5p/Kconfig"
source "arch/arm/plat-s5pc1xx/Kconfig"
source "arch/arm/plat-spear/Kconfig"
if ARCH_S3C2410
@ -896,9 +900,7 @@ source "arch/arm/mach-s5p6440/Kconfig"
source "arch/arm/mach-s5p6442/Kconfig"
if ARCH_S5PC1XX
source "arch/arm/mach-s5pc100/Kconfig"
endif
source "arch/arm/mach-s5pv210/Kconfig"
@ -1419,6 +1421,17 @@ config CMDLINE
time by entering them here. As a minimum, you should specify the
memory size and the root device (e.g., mem=64M root=/dev/nfs).
config CMDLINE_FORCE
bool "Always use the default kernel command string"
depends on CMDLINE != ""
help
Always use the default kernel command string, even if the boot
loader passes other arguments to the kernel.
This is useful if you cannot or don't want to change the
command-line options your boot loader passes to the kernel.
If unsure, say N.
config XIP_KERNEL
bool "Kernel Execute-In-Place from ROM"
depends on !ZBOOT_ROM

3
arch/arm/Makefile
View file

@ -168,7 +168,7 @@ machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0
machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx
machine-$(CONFIG_ARCH_S5P6440) := s5p6440
machine-$(CONFIG_ARCH_S5P6442) := s5p6442
machine-$(CONFIG_ARCH_S5PC1XX) := s5pc100
machine-$(CONFIG_ARCH_S5PC100) := s5pc100
machine-$(CONFIG_ARCH_S5PV210) := s5pv210
machine-$(CONFIG_ARCH_SA1100) := sa1100
machine-$(CONFIG_ARCH_SHARK) := shark
@ -198,7 +198,6 @@ plat-$(CONFIG_PLAT_NOMADIK) := nomadik
plat-$(CONFIG_PLAT_ORION) := orion
plat-$(CONFIG_PLAT_PXA) := pxa
plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx samsung
plat-$(CONFIG_PLAT_S5PC1XX) := s5pc1xx samsung
plat-$(CONFIG_PLAT_S5P) := s5p samsung
plat-$(CONFIG_PLAT_SPEAR) := spear
plat-$(CONFIG_PLAT_VERSATILE) := versatile

2
arch/arm/boot/bootp/bootp.lds
View file

@ -19,7 +19,7 @@ SECTIONS
initrd_size = initrd_end - initrd_start;
_etext = .;
}
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }

17
arch/arm/configs/mx51_defconfig
View file

@ -809,7 +809,22 @@ CONFIG_SSB_POSSIBLE=y
CONFIG_DUMMY_CONSOLE=y
# CONFIG_SOUND is not set
# CONFIG_HID_SUPPORT is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
# CONFIG_USB_ARCH_HAS_OHCI is not set
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB=y
#
# USB Host Controller Drivers
#
# CONFIG_USB_C67X00_HCD is not set
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
CONFIG_USB_EHCI_MXC=y
CONFIG_MMC=y
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_UNSAFE_RESUME is not set

723
arch/arm/configs/s3c2410_defconfig
View file

File diff suppressed because it is too large Load diff

655
arch/arm/configs/s3c6400_defconfig
View file

@ -1,11 +1,15 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.33-rc4
# Tue Jan 19 13:12:40 2010
# Linux kernel version: 2.6.34
# Fri May 28 19:05:39 2010
#
CONFIG_ARM=y
CONFIG_HAVE_PWM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
CONFIG_GENERIC_TIME=y
CONFIG_ARCH_USES_GETTIMEOFFSET=y
CONFIG_HAVE_PROC_CPU=y
CONFIG_NO_IOPORT=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_STACKTRACE_SUPPORT=y
@ -18,6 +22,7 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_ARCH_HAS_CPUFREQ=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@ -32,6 +37,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
@ -53,7 +59,6 @@ CONFIG_RCU_FANOUT=32
# CONFIG_TREE_RCU_TRACE is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=17
# CONFIG_GROUP_SCHED is not set
# CONFIG_CGROUPS is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
@ -89,10 +94,14 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_PERF_USE_VMALLOC=y
#
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# CONFIG_PERF_COUNTERS is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
CONFIG_COMPAT_BRK=y
@ -164,7 +173,7 @@ CONFIG_DEFAULT_IOSCHED="cfq"
# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
# CONFIG_MUTEX_SPIN_ON_OWNER is not set
# CONFIG_FREEZER is not set
CONFIG_FREEZER=y
#
# System Type
@ -174,8 +183,11 @@ CONFIG_MMU=y
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_VEXPRESS is not set
# CONFIG_ARCH_AT91 is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_CNS3XXX is not set
# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_EP93XX is not set
@ -184,7 +196,6 @@ CONFIG_MMU=y
# CONFIG_ARCH_STMP3XXX is not set
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_IOP13XX is not set
# CONFIG_ARCH_IOP32X is not set
# CONFIG_ARCH_IOP33X is not set
@ -201,70 +212,89 @@ CONFIG_MMU=y
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_NS9XXX is not set
# CONFIG_ARCH_W90X900 is not set
# CONFIG_ARCH_NUC93X is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
# CONFIG_ARCH_MSM is not set
# CONFIG_ARCH_SHMOBILE is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
CONFIG_ARCH_S3C64XX=y
# CONFIG_ARCH_S5P6440 is not set
# CONFIG_ARCH_S5PC1XX is not set
# CONFIG_ARCH_S5P6442 is not set
# CONFIG_ARCH_S5PC100 is not set
# CONFIG_ARCH_S5PV210 is not set
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set
# CONFIG_ARCH_U300 is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_DAVINCI is not set
# CONFIG_ARCH_OMAP is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_PLAT_SPEAR is not set
CONFIG_PLAT_SAMSUNG=y
CONFIG_SAMSUNG_CLKSRC=y
CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
CONFIG_SAMSUNG_IRQ_UART=y
CONFIG_S3C_GPIO_CFG_S3C24XX=y
CONFIG_S3C_GPIO_CFG_S3C64XX=y
CONFIG_S3C_GPIO_PULL_UPDOWN=y
CONFIG_SAMSUNG_GPIO_EXTRA=0
# CONFIG_S3C_ADC is not set
CONFIG_S3C_DEV_HSMMC=y
CONFIG_S3C_DEV_HSMMC1=y
CONFIG_S3C_DEV_I2C1=y
CONFIG_S3C_DEV_FB=y
CONFIG_S3C_DEV_USB_HOST=y
CONFIG_S3C_DEV_USB_HSOTG=y
CONFIG_S3C_DEV_NAND=y
CONFIG_PLAT_S3C64XX=y
CONFIG_CPU_S3C6400_INIT=y
CONFIG_CPU_S3C6400_CLOCK=y
# CONFIG_S3C64XX_DMA is not set
CONFIG_S3C64XX_SETUP_I2C0=y
CONFIG_S3C64XX_SETUP_I2C1=y
CONFIG_S3C64XX_SETUP_FB_24BPP=y
CONFIG_S3C64XX_SETUP_SDHCI_GPIO=y
CONFIG_PLAT_S3C=y
#
# Boot options
#
CONFIG_S3C_BOOT_ERROR_RESET=y
CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
CONFIG_S3C_LOWLEVEL_UART_PORT=0
CONFIG_SAMSUNG_CLKSRC=y
CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
CONFIG_SAMSUNG_IRQ_UART=y
CONFIG_SAMSUNG_GPIOLIB_4BIT=y
CONFIG_S3C_GPIO_CFG_S3C24XX=y
CONFIG_S3C_GPIO_CFG_S3C64XX=y
CONFIG_S3C_GPIO_PULL_UPDOWN=y
CONFIG_SAMSUNG_GPIO_EXTRA=0
CONFIG_S3C_GPIO_SPACE=0
CONFIG_S3C_GPIO_TRACK=y
# CONFIG_S3C_ADC is not set
CONFIG_S3C_DEV_HSMMC=y
CONFIG_S3C_DEV_HSMMC1=y
CONFIG_S3C_DEV_HSMMC2=y
CONFIG_S3C_DEV_HWMON=y
CONFIG_S3C_DEV_I2C1=y
CONFIG_S3C_DEV_FB=y
CONFIG_S3C_DEV_USB_HOST=y
CONFIG_S3C_DEV_USB_HSOTG=y
CONFIG_S3C_DEV_WDT=y
CONFIG_S3C_DEV_NAND=y
CONFIG_S3C_DEV_RTC=y
CONFIG_SAMSUNG_DEV_ADC=y
CONFIG_SAMSUNG_DEV_TS=y
CONFIG_S3C_DMA=y
#
# Power management
#
CONFIG_S3C_LOWLEVEL_UART_PORT=0
CONFIG_S3C_GPIO_SPACE=0
CONFIG_S3C_GPIO_TRACK=y
# CONFIG_MACH_SMDK6400 is not set
# CONFIG_SAMSUNG_PM_DEBUG is not set
# CONFIG_S3C_PM_DEBUG_LED_SMDK is not set
# CONFIG_SAMSUNG_PM_CHECK is not set
CONFIG_SAMSUNG_WAKEMASK=y
CONFIG_PLAT_S3C64XX=y
CONFIG_CPU_S3C6400=y
CONFIG_CPU_S3C6410=y
CONFIG_S3C6410_SETUP_SDHCI=y
# CONFIG_MACH_ANW6410 is not set
CONFIG_S3C64XX_DMA=y
CONFIG_S3C64XX_SETUP_SDHCI=y
CONFIG_S3C64XX_SETUP_I2C0=y
CONFIG_S3C64XX_SETUP_I2C1=y
CONFIG_S3C64XX_SETUP_FB_24BPP=y
CONFIG_S3C64XX_SETUP_SDHCI_GPIO=y
CONFIG_MACH_SMDK6400=y
CONFIG_MACH_ANW6410=y
CONFIG_MACH_SMDK6410=y
CONFIG_SMDK6410_SD_CH0=y
# CONFIG_SMDK6410_SD_CH1 is not set
# CONFIG_SMDK6410_WM1190_EV1 is not set
# CONFIG_MACH_NCP is not set
# CONFIG_MACH_HMT is not set
# CONFIG_SMDK6410_WM1192_EV1 is not set
CONFIG_MACH_NCP=y
CONFIG_MACH_HMT=y
CONFIG_MACH_SMARTQ=y
CONFIG_MACH_SMARTQ5=y
CONFIG_MACH_SMARTQ7=y
#
# Processor Type
@ -290,6 +320,8 @@ CONFIG_ARM_THUMB=y
# CONFIG_CPU_DCACHE_DISABLE is not set
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_ARM_L1_CACHE_SHIFT=5
CONFIG_ARM_DMA_MEM_BUFFERABLE=y
CONFIG_CPU_HAS_PMU=y
# CONFIG_ARM_ERRATA_411920 is not set
CONFIG_ARM_VIC=y
CONFIG_ARM_VIC_NR=2
@ -339,6 +371,7 @@ CONFIG_ALIGNMENT_TRAP=y
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_CMDLINE="console=ttySAC0,115200 root=/dev/ram init=/linuxrc initrd=0x51000000,6M ramdisk_size=6144"
# CONFIG_CMDLINE_FORCE is not set
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
@ -371,7 +404,14 @@ CONFIG_HAVE_AOUT=y
#
# Power management options
#
# CONFIG_PM is not set
CONFIG_PM=y
# CONFIG_PM_DEBUG is not set
CONFIG_PM_SLEEP=y
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
# CONFIG_APM_EMULATION is not set
# CONFIG_PM_RUNTIME is not set
CONFIG_PM_OPS=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
# CONFIG_NET is not set
@ -392,7 +432,96 @@ CONFIG_EXTRA_FIRMWARE=""
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_MTD is not set
CONFIG_MTD=y
# CONFIG_MTD_DEBUG is not set
# CONFIG_MTD_TESTS is not set
# CONFIG_MTD_CONCAT is not set
# CONFIG_MTD_PARTITIONS is not set
#
# User Modules And Translation Layers
#
# CONFIG_MTD_CHAR is not set
# CONFIG_MTD_BLKDEVS is not set
# CONFIG_MTD_BLOCK is not set
# CONFIG_MTD_BLOCK_RO is not set
# CONFIG_FTL is not set
# CONFIG_NFTL is not set
# CONFIG_INFTL is not set
# CONFIG_RFD_FTL is not set
# CONFIG_SSFDC is not set
# CONFIG_SM_FTL is not set
# CONFIG_MTD_OOPS is not set
#
# RAM/ROM/Flash chip drivers
#
# CONFIG_MTD_CFI is not set
# CONFIG_MTD_JEDECPROBE is not set
CONFIG_MTD_MAP_BANK_WIDTH_1=y
CONFIG_MTD_MAP_BANK_WIDTH_2=y
CONFIG_MTD_MAP_BANK_WIDTH_4=y
# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
# CONFIG_MTD_CFI_I4 is not set
# CONFIG_MTD_CFI_I8 is not set
# CONFIG_MTD_RAM is not set
# CONFIG_MTD_ROM is not set
# CONFIG_MTD_ABSENT is not set
#
# Mapping drivers for chip access
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
# CONFIG_MTD_PLATRAM is not set
#
# Self-contained MTD device drivers
#
# CONFIG_MTD_DATAFLASH is not set
# CONFIG_MTD_M25P80 is not set
# CONFIG_MTD_SST25L is not set
# CONFIG_MTD_SLRAM is not set
# CONFIG_MTD_PHRAM is not set
# CONFIG_MTD_MTDRAM is not set
# CONFIG_MTD_BLOCK2MTD is not set
#
# Disk-On-Chip Device Drivers
#
# CONFIG_MTD_DOC2000 is not set
# CONFIG_MTD_DOC2001 is not set
# CONFIG_MTD_DOC2001PLUS is not set
CONFIG_MTD_NAND=y
CONFIG_MTD_NAND_ECC=y
# CONFIG_MTD_NAND_ECC_SMC is not set
# CONFIG_MTD_NAND_VERIFY_WRITE is not set
# CONFIG_MTD_SM_COMMON is not set
# CONFIG_MTD_NAND_MUSEUM_IDS is not set
CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR=0xFF108018
# CONFIG_MTD_NAND_GPIO is not set
CONFIG_MTD_NAND_IDS=y
CONFIG_MTD_NAND_S3C2410=y
# CONFIG_MTD_NAND_S3C2410_DEBUG is not set
# CONFIG_MTD_NAND_S3C2410_HWECC is not set
# CONFIG_MTD_NAND_S3C2410_CLKSTOP is not set
# CONFIG_MTD_NAND_DISKONCHIP is not set
# CONFIG_MTD_NAND_PLATFORM is not set
# CONFIG_MTD_ALAUDA is not set
# CONFIG_MTD_ONENAND is not set
#
# LPDDR flash memory drivers
#
# CONFIG_MTD_LPDDR is not set
#
# UBI - Unsorted block images
#
# CONFIG_MTD_UBI is not set
# CONFIG_PARPORT is not set
CONFIG_BLK_DEV=y
# CONFIG_BLK_DEV_COW_COMMON is not set
@ -402,6 +531,7 @@ CONFIG_BLK_DEV_LOOP=y
#
# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
#
# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=4096
@ -413,13 +543,16 @@ CONFIG_MISC_DEVICES=y
# CONFIG_ICS932S401 is not set
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_ISL29003 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_DS1682 is not set
# CONFIG_TI_DAC7512 is not set
# CONFIG_C2PORT is not set
#
# EEPROM support
#
CONFIG_EEPROM_AT24=y
# CONFIG_EEPROM_AT25 is not set
# CONFIG_EEPROM_LEGACY is not set
# CONFIG_EEPROM_MAX6875 is not set
# CONFIG_EEPROM_93CX6 is not set
@ -430,6 +563,7 @@ CONFIG_HAVE_IDE=y
#
# SCSI device support
#
CONFIG_SCSI_MOD=y
# CONFIG_RAID_ATTRS is not set
# CONFIG_SCSI is not set
# CONFIG_SCSI_DMA is not set
@ -466,6 +600,7 @@ CONFIG_KEYBOARD_ATKBD=y
# CONFIG_QT2160 is not set
# CONFIG_KEYBOARD_LKKBD is not set
# CONFIG_KEYBOARD_GPIO is not set
# CONFIG_KEYBOARD_TCA6416 is not set
# CONFIG_KEYBOARD_MATRIX is not set
# CONFIG_KEYBOARD_MAX7359 is not set
# CONFIG_KEYBOARD_NEWTON is not set
@ -527,12 +662,17 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
# Non-8250 serial port support
#
CONFIG_SERIAL_SAMSUNG=y
CONFIG_SERIAL_SAMSUNG_UARTS_4=y
CONFIG_SERIAL_SAMSUNG_UARTS=4
# CONFIG_SERIAL_SAMSUNG_DEBUG is not set
CONFIG_SERIAL_SAMSUNG_CONSOLE=y
CONFIG_SERIAL_S3C6400=y
# CONFIG_SERIAL_MAX3100 is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
CONFIG_LEGACY_PTYS=y
@ -561,28 +701,41 @@ CONFIG_I2C_HELPER_AUTO=y
# CONFIG_I2C_OCORES is not set
CONFIG_I2C_S3C2410=y
# CONFIG_I2C_SIMTEC is not set
# CONFIG_I2C_XILINX is not set
#
# External I2C/SMBus adapter drivers
#
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_TAOS_EVM is not set
# CONFIG_I2C_TINY_USB is not set
#
# Other I2C/SMBus bus drivers
#
# CONFIG_I2C_PCA_PLATFORM is not set
# CONFIG_I2C_STUB is not set
#
# Miscellaneous I2C Chip support
#
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CHIP is not set
# CONFIG_SPI is not set
CONFIG_SPI=y
# CONFIG_SPI_DEBUG is not set
CONFIG_SPI_MASTER=y
#
# SPI Master Controller Drivers
#
CONFIG_SPI_BITBANG=m
CONFIG_SPI_GPIO=m
CONFIG_SPI_S3C64XX=m
# CONFIG_SPI_XILINX is not set
# CONFIG_SPI_DESIGNWARE is not set
#
# SPI Protocol Masters
#
# CONFIG_SPI_SPIDEV is not set
# CONFIG_SPI_TLE62X0 is not set
#
# PPS support
@ -596,10 +749,12 @@ CONFIG_GPIOLIB=y
#
# Memory mapped GPIO expanders:
#
# CONFIG_GPIO_IT8761E is not set
#
# I2C GPIO expanders:
#
# CONFIG_GPIO_MAX7300 is not set
# CONFIG_GPIO_MAX732X is not set
# CONFIG_GPIO_PCA953X is not set
# CONFIG_GPIO_PCF857X is not set
@ -612,6 +767,9 @@ CONFIG_GPIOLIB=y
#
# SPI GPIO expanders:
#
# CONFIG_GPIO_MAX7301 is not set
# CONFIG_GPIO_MCP23S08 is not set
# CONFIG_GPIO_MC33880 is not set
#
# AC97 GPIO expanders:
@ -627,16 +785,18 @@ CONFIG_HWMON=y
#
# CONFIG_SENSORS_AD7414 is not set
# CONFIG_SENSORS_AD7418 is not set
# CONFIG_SENSORS_ADCXX is not set
# CONFIG_SENSORS_ADM1021 is not set
# CONFIG_SENSORS_ADM1025 is not set
# CONFIG_SENSORS_ADM1026 is not set
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ADM9240 is not set
# CONFIG_SENSORS_ADT7411 is not set
# CONFIG_SENSORS_ADT7462 is not set
# CONFIG_SENSORS_ADT7470 is not set
# CONFIG_SENSORS_ADT7473 is not set
# CONFIG_SENSORS_ADT7475 is not set
# CONFIG_SENSORS_ASC7621 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_F71805F is not set
@ -647,6 +807,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_IT87 is not set
# CONFIG_SENSORS_LM63 is not set
# CONFIG_SENSORS_LM70 is not set
# CONFIG_SENSORS_LM73 is not set
# CONFIG_SENSORS_LM75 is not set
# CONFIG_SENSORS_LM77 is not set
@ -661,6 +822,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_LTC4215 is not set
# CONFIG_SENSORS_LTC4245 is not set
# CONFIG_SENSORS_LM95241 is not set
# CONFIG_SENSORS_MAX1111 is not set
# CONFIG_SENSORS_MAX1619 is not set
# CONFIG_SENSORS_MAX6650 is not set
# CONFIG_SENSORS_PC87360 is not set
@ -672,6 +834,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
# CONFIG_SENSORS_ADS7828 is not set
# CONFIG_SENSORS_ADS7871 is not set
# CONFIG_SENSORS_AMC6821 is not set
# CONFIG_SENSORS_THMC50 is not set
# CONFIG_SENSORS_TMP401 is not set
@ -685,9 +848,11 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_W83L786NG is not set
# CONFIG_SENSORS_W83627HF is not set
# CONFIG_SENSORS_W83627EHF is not set
# CONFIG_SENSORS_LIS3_SPI is not set
# CONFIG_SENSORS_LIS3_I2C is not set
# CONFIG_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_HAVE_S3C2410_WATCHDOG=y
CONFIG_SSB_POSSIBLE=y
#
@ -699,10 +864,13 @@ CONFIG_SSB_POSSIBLE=y
# Multifunction device drivers
#
# CONFIG_MFD_CORE is not set
# CONFIG_MFD_88PM860X is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_MFD_ASIC3 is not set
# CONFIG_HTC_EGPIO is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_HTC_I2CPLD is not set
# CONFIG_UCB1400_CORE is not set
# CONFIG_TPS65010 is not set
# CONFIG_TWL4030_CORE is not set
# CONFIG_MFD_TMIO is not set
@ -711,12 +879,16 @@ CONFIG_SSB_POSSIBLE=y
# CONFIG_MFD_TC6393XB is not set
# CONFIG_PMIC_DA903X is not set
# CONFIG_PMIC_ADP5520 is not set
# CONFIG_MFD_MAX8925 is not set
# CONFIG_MFD_WM8400 is not set
# CONFIG_MFD_WM831X is not set
# CONFIG_MFD_WM8350_I2C is not set
# CONFIG_MFD_WM8994 is not set
# CONFIG_MFD_PCF50633 is not set
# CONFIG_MFD_MC13783 is not set
# CONFIG_AB3100_CORE is not set
# CONFIG_MFD_88PM8607 is not set
# CONFIG_EZX_PCAP is not set
# CONFIG_AB4500_CORE is not set
# CONFIG_REGULATOR is not set
# CONFIG_MEDIA_SUPPORT is not set
@ -725,8 +897,47 @@ CONFIG_SSB_POSSIBLE=y
#
# CONFIG_VGASTATE is not set
# CONFIG_VIDEO_OUTPUT_CONTROL is not set
# CONFIG_FB is not set
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
CONFIG_FB=y
# CONFIG_FIRMWARE_EDID is not set
# CONFIG_FB_DDC is not set
# CONFIG_FB_BOOT_VESA_SUPPORT is not set
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
# CONFIG_FB_SYS_FILLRECT is not set
# CONFIG_FB_SYS_COPYAREA is not set
# CONFIG_FB_SYS_IMAGEBLIT is not set
# CONFIG_FB_FOREIGN_ENDIAN is not set
# CONFIG_FB_SYS_FOPS is not set
# CONFIG_FB_SVGALIB is not set
# CONFIG_FB_MACMODES is not set
# CONFIG_FB_BACKLIGHT is not set
# CONFIG_FB_MODE_HELPERS is not set
# CONFIG_FB_TILEBLITTING is not set
#
# Frame buffer hardware drivers
#
# CONFIG_FB_S1D13XXX is not set
CONFIG_FB_S3C=y
# CONFIG_FB_S3C_DEBUG_REGWRITE is not set
# CONFIG_FB_VIRTUAL is not set
# CONFIG_FB_METRONOME is not set
# CONFIG_FB_MB862XX is not set
# CONFIG_FB_BROADSHEET is not set
CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_LCD_CLASS_DEVICE=y
# CONFIG_LCD_L4F00242T03 is not set
# CONFIG_LCD_LMS283GF05 is not set
CONFIG_LCD_LTV350QV=y
# CONFIG_LCD_ILI9320 is not set
# CONFIG_LCD_TDO24M is not set
# CONFIG_LCD_VGG2432A4 is not set
# CONFIG_LCD_PLATFORM is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_BACKLIGHT_GENERIC=y
CONFIG_BACKLIGHT_PWM=y
#
# Display device support
@ -738,33 +949,246 @@ CONFIG_SSB_POSSIBLE=y
#
# CONFIG_VGA_CONSOLE is not set
CONFIG_DUMMY_CONSOLE=y
# CONFIG_SOUND is not set
# CONFIG_FRAMEBUFFER_CONSOLE is not set
# CONFIG_LOGO is not set
CONFIG_SOUND=y
CONFIG_SOUND_OSS_CORE=y
CONFIG_SOUND_OSS_CORE_PRECLAIM=y
CONFIG_SND=m
CONFIG_SND_TIMER=m
CONFIG_SND_PCM=m
CONFIG_SND_JACK=y
# CONFIG_SND_SEQUENCER is not set
CONFIG_SND_OSSEMUL=y
CONFIG_SND_MIXER_OSS=m
CONFIG_SND_PCM_OSS=m
CONFIG_SND_PCM_OSS_PLUGINS=y
# CONFIG_SND_DYNAMIC_MINORS is not set
CONFIG_SND_SUPPORT_OLD_API=y
CONFIG_SND_VERBOSE_PROCFS=y
# CONFIG_SND_VERBOSE_PRINTK is not set
# CONFIG_SND_DEBUG is not set
# CONFIG_SND_RAWMIDI_SEQ is not set
# CONFIG_SND_OPL3_LIB_SEQ is not set
# CONFIG_SND_OPL4_LIB_SEQ is not set
# CONFIG_SND_SBAWE_SEQ is not set
# CONFIG_SND_EMU10K1_SEQ is not set
CONFIG_SND_DRIVERS=y
# CONFIG_SND_DUMMY is not set
# CONFIG_SND_MTPAV is not set
# CONFIG_SND_SERIAL_U16550 is not set
# CONFIG_SND_MPU401 is not set
CONFIG_SND_ARM=y
CONFIG_SND_SPI=y
CONFIG_SND_USB=y
# CONFIG_SND_USB_AUDIO is not set
# CONFIG_SND_USB_UA101 is not set
# CONFIG_SND_USB_CAIAQ is not set
CONFIG_SND_SOC=m
CONFIG_SND_SOC_AC97_BUS=y
CONFIG_SND_S3C24XX_SOC=m
CONFIG_SND_S3C_SOC_AC97=m
# CONFIG_SND_S3C64XX_SOC_WM8580 is not set
CONFIG_SND_SOC_SMDK_WM9713=m
CONFIG_SND_SOC_I2C_AND_SPI=m
# CONFIG_SND_SOC_ALL_CODECS is not set
CONFIG_SND_SOC_WM9713=m
# CONFIG_SOUND_PRIME is not set
CONFIG_AC97_BUS=m
CONFIG_HID_SUPPORT=y
CONFIG_HID=y
# CONFIG_HIDRAW is not set
#
# USB Input Devices
#
CONFIG_USB_HID=y
# CONFIG_HID_PID is not set
# CONFIG_USB_HIDDEV is not set
#
# Special HID drivers
#
# CONFIG_HID_3M_PCT is not set
CONFIG_HID_A4TECH=y
CONFIG_HID_APPLE=y
CONFIG_HID_BELKIN=y
# CONFIG_HID_CANDO is not set
CONFIG_HID_CHERRY=y
CONFIG_HID_CHICONY=y
# CONFIG_HID_PRODIKEYS is not set
CONFIG_HID_CYPRESS=y
# CONFIG_HID_DRAGONRISE is not set
# CONFIG_HID_EGALAX is not set
CONFIG_HID_EZKEY=y
CONFIG_HID_KYE=y
# CONFIG_HID_GYRATION is not set
# CONFIG_HID_TWINHAN is not set
CONFIG_HID_KENSINGTON=y
CONFIG_HID_LOGITECH=y
# CONFIG_LOGITECH_FF is not set
# CONFIG_LOGIRUMBLEPAD2_FF is not set
# CONFIG_LOGIG940_FF is not set
CONFIG_HID_MICROSOFT=y
# CONFIG_HID_MOSART is not set
CONFIG_HID_MONTEREY=y
# CONFIG_HID_NTRIG is not set
# CONFIG_HID_ORTEK is not set
# CONFIG_HID_PANTHERLORD is not set
# CONFIG_HID_PETALYNX is not set
# CONFIG_HID_PICOLCD is not set
# CONFIG_HID_QUANTA is not set
# CONFIG_HID_ROCCAT_KONE is not set
# CONFIG_HID_SAMSUNG is not set
# CONFIG_HID_SONY is not set
# CONFIG_HID_STANTUM is not set
# CONFIG_HID_SUNPLUS is not set
# CONFIG_HID_GREENASIA is not set
# CONFIG_HID_SMARTJOYPLUS is not set
# CONFIG_HID_TOPSEED is not set
# CONFIG_HID_THRUSTMASTER is not set
# CONFIG_HID_ZEROPLUS is not set
# CONFIG_HID_ZYDACRON is not set
CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
# CONFIG_USB_ARCH_HAS_EHCI is not set
# CONFIG_USB is not set
CONFIG_USB=y
# CONFIG_USB_DEBUG is not set
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
#
# Enable Host or Gadget support to see Inventra options
# Miscellaneous USB options
#
CONFIG_USB_DEVICEFS=y
CONFIG_USB_DEVICE_CLASS=y
# CONFIG_USB_DYNAMIC_MINORS is not set
# CONFIG_USB_MON is not set
# CONFIG_USB_WUSB is not set
# CONFIG_USB_WUSB_CBAF is not set
#
# USB Host Controller Drivers
#
# CONFIG_USB_C67X00_HCD is not set
# CONFIG_USB_OXU210HP_HCD is not set
# CONFIG_USB_ISP116X_HCD is not set
# CONFIG_USB_ISP1760_HCD is not set
# CONFIG_USB_ISP1362_HCD is not set
CONFIG_USB_OHCI_HCD=y
# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
# CONFIG_USB_SL811_HCD is not set
# CONFIG_USB_R8A66597_HCD is not set
# CONFIG_USB_HWA_HCD is not set
# CONFIG_USB_MUSB_HDRC is not set
#
# USB Device Class drivers
#
CONFIG_USB_ACM=m
CONFIG_USB_PRINTER=m
# CONFIG_USB_WDM is not set
# CONFIG_USB_TMC is not set
#
# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
#
#
# also be needed; see USB_STORAGE Help for more info
#
# CONFIG_USB_LIBUSUAL is not set
#
# USB Imaging devices
#
# CONFIG_USB_MDC800 is not set
#
# USB port drivers
#
CONFIG_USB_SERIAL=m
# CONFIG_USB_EZUSB is not set
CONFIG_USB_SERIAL_GENERIC=y
# CONFIG_USB_SERIAL_AIRCABLE is not set
# CONFIG_USB_SERIAL_ARK3116 is not set
# CONFIG_USB_SERIAL_BELKIN is not set
# CONFIG_USB_SERIAL_CH341 is not set
# CONFIG_USB_SERIAL_WHITEHEAT is not set
# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
# CONFIG_USB_SERIAL_CP210X is not set
# CONFIG_USB_SERIAL_CYPRESS_M8 is not set
CONFIG_USB_SERIAL_EMPEG=m
CONFIG_USB_SERIAL_FTDI_SIO=m
# CONFIG_USB_SERIAL_FUNSOFT is not set
# CONFIG_USB_SERIAL_VISOR is not set
# CONFIG_USB_SERIAL_IPAQ is not set
# CONFIG_USB_SERIAL_IR is not set
# CONFIG_USB_SERIAL_EDGEPORT is not set
# CONFIG_USB_SERIAL_EDGEPORT_TI is not set
# CONFIG_USB_SERIAL_GARMIN is not set
# CONFIG_USB_SERIAL_IPW is not set
# CONFIG_USB_SERIAL_IUU is not set
# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set
# CONFIG_USB_SERIAL_KEYSPAN is not set
# CONFIG_USB_SERIAL_KLSI is not set
# CONFIG_USB_SERIAL_KOBIL_SCT is not set
# CONFIG_USB_SERIAL_MCT_U232 is not set
# CONFIG_USB_SERIAL_MOS7720 is not set
# CONFIG_USB_SERIAL_MOS7840 is not set
# CONFIG_USB_SERIAL_MOTOROLA is not set
# CONFIG_USB_SERIAL_NAVMAN is not set
CONFIG_USB_SERIAL_PL2303=m
# CONFIG_USB_SERIAL_OTI6858 is not set
# CONFIG_USB_SERIAL_QCAUX is not set
# CONFIG_USB_SERIAL_QUALCOMM is not set
# CONFIG_USB_SERIAL_SPCP8X5 is not set
# CONFIG_USB_SERIAL_HP4X is not set
# CONFIG_USB_SERIAL_SAFE is not set
# CONFIG_USB_SERIAL_SIEMENS_MPI is not set
# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set
# CONFIG_USB_SERIAL_SYMBOL is not set
# CONFIG_USB_SERIAL_TI is not set
# CONFIG_USB_SERIAL_CYBERJACK is not set
# CONFIG_USB_SERIAL_XIRCOM is not set
# CONFIG_USB_SERIAL_OPTION is not set
# CONFIG_USB_SERIAL_OMNINET is not set
# CONFIG_USB_SERIAL_OPTICON is not set
# CONFIG_USB_SERIAL_VIVOPAY_SERIAL is not set
# CONFIG_USB_SERIAL_ZIO is not set
# CONFIG_USB_SERIAL_DEBUG is not set
#
# USB Miscellaneous drivers
#
# CONFIG_USB_EMI62 is not set
# CONFIG_USB_EMI26 is not set
# CONFIG_USB_ADUTUX is not set
# CONFIG_USB_SEVSEG is not set
# CONFIG_USB_RIO500 is not set
# CONFIG_USB_LEGOTOWER is not set
# CONFIG_USB_LCD is not set
# CONFIG_USB_LED is not set
# CONFIG_USB_CYPRESS_CY7C63 is not set
# CONFIG_USB_CYTHERM is not set
# CONFIG_USB_IDMOUSE is not set
# CONFIG_USB_FTDI_ELAN is not set
# CONFIG_USB_APPLEDISPLAY is not set
# CONFIG_USB_LD is not set
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
# CONFIG_USB_ISIGHTFW is not set
# CONFIG_USB_GADGET is not set
#
# OTG and related infrastructure
#
# CONFIG_USB_GPIO_VBUS is not set
# CONFIG_USB_ULPI is not set
# CONFIG_NOP_USB_XCEIV is not set
CONFIG_MMC=y
CONFIG_MMC_DEBUG=y
CONFIG_MMC_UNSAFE_RESUME=y
@ -784,20 +1208,80 @@ CONFIG_MMC_SDHCI=y
# CONFIG_MMC_SDHCI_PLTFM is not set
CONFIG_MMC_SDHCI_S3C=y
# CONFIG_MMC_SDHCI_S3C_DMA is not set
# CONFIG_MMC_AT91 is not set
# CONFIG_MMC_ATMELMCI is not set
# CONFIG_MMC_SPI is not set
# CONFIG_MEMSTICK is not set
# CONFIG_NEW_LEDS is not set
# CONFIG_ACCESSIBILITY is not set
CONFIG_RTC_LIB=y
# CONFIG_RTC_CLASS is not set
CONFIG_RTC_CLASS=y
CONFIG_RTC_HCTOSYS=y
CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
# CONFIG_RTC_DEBUG is not set
#
# RTC interfaces
#
CONFIG_RTC_INTF_SYSFS=y
CONFIG_RTC_INTF_PROC=y
CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
# CONFIG_RTC_DRV_TEST is not set
#
# I2C RTC drivers
#
# CONFIG_RTC_DRV_DS1307 is not set
# CONFIG_RTC_DRV_DS1374 is not set
# CONFIG_RTC_DRV_DS1672 is not set
# CONFIG_RTC_DRV_MAX6900 is not set
# CONFIG_RTC_DRV_RS5C372 is not set
# CONFIG_RTC_DRV_ISL1208 is not set
# CONFIG_RTC_DRV_X1205 is not set
# CONFIG_RTC_DRV_PCF8563 is not set
# CONFIG_RTC_DRV_PCF8583 is not set
# CONFIG_RTC_DRV_M41T80 is not set
# CONFIG_RTC_DRV_BQ32K is not set
# CONFIG_RTC_DRV_S35390A is not set
# CONFIG_RTC_DRV_FM3130 is not set
# CONFIG_RTC_DRV_RX8581 is not set
# CONFIG_RTC_DRV_RX8025 is not set
#
# SPI RTC drivers
#
# CONFIG_RTC_DRV_M41T94 is not set
# CONFIG_RTC_DRV_DS1305 is not set
# CONFIG_RTC_DRV_DS1390 is not set
# CONFIG_RTC_DRV_MAX6902 is not set
# CONFIG_RTC_DRV_R9701 is not set
# CONFIG_RTC_DRV_RS5C348 is not set
# CONFIG_RTC_DRV_DS3234 is not set
# CONFIG_RTC_DRV_PCF2123 is not set
#
# Platform RTC drivers
#
# CONFIG_RTC_DRV_CMOS is not set
# CONFIG_RTC_DRV_DS1286 is not set
# CONFIG_RTC_DRV_DS1511 is not set
# CONFIG_RTC_DRV_DS1553 is not set
# CONFIG_RTC_DRV_DS1742 is not set
# CONFIG_RTC_DRV_STK17TA8 is not set
# CONFIG_RTC_DRV_M48T86 is not set
# CONFIG_RTC_DRV_M48T35 is not set
# CONFIG_RTC_DRV_M48T59 is not set
# CONFIG_RTC_DRV_MSM6242 is not set
# CONFIG_RTC_DRV_BQ4802 is not set
# CONFIG_RTC_DRV_RP5C01 is not set
# CONFIG_RTC_DRV_V3020 is not set
#
# on-CPU RTC drivers
#
CONFIG_RTC_DRV_S3C=y
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
#
# TI VLYNQ
#
# CONFIG_STAGING is not set
#
@ -869,6 +1353,8 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_JFFS2_FS is not set
# CONFIG_LOGFS is not set
CONFIG_CRAMFS=y
# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
@ -889,7 +1375,46 @@ CONFIG_ROMFS_ON_BLOCK=y
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y
# CONFIG_NLS is not set
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
# CONFIG_NLS_CODEPAGE_437 is not set
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_936 is not set
# CONFIG_NLS_CODEPAGE_950 is not set
# CONFIG_NLS_CODEPAGE_932 is not set
# CONFIG_NLS_CODEPAGE_949 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set
# CONFIG_NLS_ASCII is not set
# CONFIG_NLS_ISO8859_1 is not set
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
# CONFIG_NLS_UTF8 is not set
#
# Kernel hacking
@ -952,6 +1477,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_ENABLE_DEFAULT_TRACERS is not set
# CONFIG_BOOT_TRACER is not set
@ -962,6 +1488,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_KMEMTRACE is not set
# CONFIG_WORKQUEUE_TRACER is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set

87
arch/arm/configs/s5p6440_defconfig
View file

@ -1,11 +1,14 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.33-rc2
# Sat Jan 9 16:33:55 2010
# Linux kernel version: 2.6.34
# Wed May 26 19:04:32 2010
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
CONFIG_GENERIC_TIME=y
CONFIG_ARCH_USES_GETTIMEOFFSET=y
CONFIG_HAVE_PROC_CPU=y
CONFIG_NO_IOPORT=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_STACKTRACE_SUPPORT=y
@ -17,6 +20,7 @@ CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@ -30,6 +34,13 @@ CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
# CONFIG_KERNEL_LZMA is not set
# CONFIG_KERNEL_LZO is not set
CONFIG_SWAP=y
# CONFIG_SYSVIPC is not set
# CONFIG_BSD_PROCESS_ACCT is not set
@ -46,7 +57,6 @@ CONFIG_RCU_FANOUT=32
# CONFIG_TREE_RCU_TRACE is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=17
# CONFIG_GROUP_SCHED is not set
# CONFIG_CGROUPS is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
@ -60,6 +70,7 @@ CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
CONFIG_RD_BZIP2=y
CONFIG_RD_LZMA=y
CONFIG_RD_LZO=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
CONFIG_ANON_INODES=y
@ -81,10 +92,14 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_PERF_USE_VMALLOC=y
#
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# CONFIG_PERF_COUNTERS is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
CONFIG_COMPAT_BRK=y
@ -166,8 +181,11 @@ CONFIG_MMU=y
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_VEXPRESS is not set
# CONFIG_ARCH_AT91 is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_CNS3XXX is not set
# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_EP93XX is not set
@ -176,7 +194,6 @@ CONFIG_MMU=y
# CONFIG_ARCH_STMP3XXX is not set
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_IOP13XX is not set
# CONFIG_ARCH_IOP32X is not set
# CONFIG_ARCH_IOP33X is not set
@ -193,44 +210,56 @@ CONFIG_MMU=y
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_NS9XXX is not set
# CONFIG_ARCH_W90X900 is not set
# CONFIG_ARCH_NUC93X is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
# CONFIG_ARCH_MSM is not set
# CONFIG_ARCH_SHMOBILE is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
# CONFIG_ARCH_S3C64XX is not set
CONFIG_ARCH_S5P6440=y
# CONFIG_ARCH_S5PC1XX is not set
# CONFIG_ARCH_S5P6442 is not set
# CONFIG_ARCH_S5PC100 is not set
# CONFIG_ARCH_S5PV210 is not set
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set
# CONFIG_ARCH_U300 is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_DAVINCI is not set
# CONFIG_ARCH_OMAP is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_PLAT_SPEAR is not set
CONFIG_PLAT_SAMSUNG=y
CONFIG_SAMSUNG_CLKSRC=y
CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
CONFIG_SAMSUNG_IRQ_UART=y
CONFIG_SAMSUNG_GPIO_EXTRA=0
CONFIG_PLAT_S3C=y
#
# Boot options
#
CONFIG_S3C_BOOT_ERROR_RESET=y
CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
CONFIG_S3C_LOWLEVEL_UART_PORT=1
CONFIG_SAMSUNG_CLKSRC=y
CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
CONFIG_SAMSUNG_IRQ_UART=y
CONFIG_SAMSUNG_GPIOLIB_4BIT=y
CONFIG_S3C_GPIO_CFG_S3C24XX=y
CONFIG_S3C_GPIO_CFG_S3C64XX=y
CONFIG_S3C_GPIO_PULL_UPDOWN=y
CONFIG_S5P_GPIO_DRVSTR=y
CONFIG_SAMSUNG_GPIO_EXTRA=0
CONFIG_S3C_GPIO_SPACE=0
CONFIG_S3C_GPIO_TRACK=y
# CONFIG_S3C_ADC is not set
CONFIG_S3C_DEV_WDT=y
CONFIG_SAMSUNG_DEV_ADC=y
CONFIG_SAMSUNG_DEV_TS=y
CONFIG_S3C_PL330_DMA=y
#
# Power management
#
CONFIG_S3C_LOWLEVEL_UART_PORT=1
CONFIG_S3C_GPIO_SPACE=0
CONFIG_S3C_GPIO_TRACK=y
CONFIG_PLAT_S5P=y
CONFIG_CPU_S5P6440_INIT=y
CONFIG_CPU_S5P6440_CLOCK=y
CONFIG_CPU_S5P6440=y
CONFIG_MACH_SMDK6440=y
@ -258,9 +287,12 @@ CONFIG_ARM_THUMB=y
# CONFIG_CPU_DCACHE_DISABLE is not set
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_ARM_L1_CACHE_SHIFT=5
CONFIG_ARM_DMA_MEM_BUFFERABLE=y
CONFIG_CPU_HAS_PMU=y
# CONFIG_ARM_ERRATA_411920 is not set
CONFIG_ARM_VIC=y
CONFIG_ARM_VIC_NR=2
CONFIG_PL330=y
#
# Bus support
@ -307,6 +339,7 @@ CONFIG_ALIGNMENT_TRAP=y
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
# CONFIG_CMDLINE_FORCE is not set
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
@ -382,6 +415,7 @@ CONFIG_HAVE_IDE=y
#
# SCSI device support
#
CONFIG_SCSI_MOD=y
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
@ -470,7 +504,9 @@ CONFIG_MOUSE_PS2_TRACKPOINT=y
CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_AD7879 is not set
# CONFIG_TOUCHSCREEN_DYNAPRO is not set
# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set
# CONFIG_TOUCHSCREEN_FUJITSU is not set
# CONFIG_TOUCHSCREEN_S3C2410 is not set
# CONFIG_TOUCHSCREEN_GUNZE is not set
# CONFIG_TOUCHSCREEN_ELO is not set
# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
@ -518,12 +554,16 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=3
# Non-8250 serial port support
#
CONFIG_SERIAL_SAMSUNG=y
CONFIG_SERIAL_SAMSUNG_UARTS_4=y
CONFIG_SERIAL_SAMSUNG_UARTS=4
# CONFIG_SERIAL_SAMSUNG_DEBUG is not set
CONFIG_SERIAL_SAMSUNG_CONSOLE=y
CONFIG_SERIAL_S5P6440=y
CONFIG_SERIAL_S3C6400=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
CONFIG_LEGACY_PTYS=y
@ -549,6 +589,7 @@ CONFIG_GPIOLIB=y
#
# Memory mapped GPIO expanders:
#
# CONFIG_GPIO_IT8761E is not set
#
# I2C GPIO expanders:
@ -570,6 +611,7 @@ CONFIG_GPIOLIB=y
# CONFIG_HWMON is not set
# CONFIG_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_HAVE_S3C2410_WATCHDOG=y
CONFIG_SSB_POSSIBLE=y
#
@ -626,10 +668,6 @@ CONFIG_RTC_LIB=y
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
#
# TI VLYNQ
#
# CONFIG_STAGING is not set
#
@ -704,6 +742,7 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_LOGFS is not set
CONFIG_CRAMFS=y
# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
@ -826,6 +865,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_ENABLE_DEFAULT_TRACERS is not set
# CONFIG_BOOT_TRACER is not set
@ -836,6 +876,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_KMEMTRACE is not set
# CONFIG_WORKQUEUE_TRACER is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
@ -962,8 +1003,10 @@ CONFIG_CRC32=y
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_DECOMPRESS_GZIP=y
CONFIG_DECOMPRESS_BZIP2=y
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_DMA=y

74
arch/arm/configs/s5p6442_defconfig
View file

@ -1,11 +1,14 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.33-rc4
# Mon Jan 25 08:50:28 2010
# Linux kernel version: 2.6.34
# Wed May 26 19:04:34 2010
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
CONFIG_GENERIC_TIME=y
CONFIG_ARCH_USES_GETTIMEOFFSET=y
CONFIG_HAVE_PROC_CPU=y
CONFIG_NO_IOPORT=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_STACKTRACE_SUPPORT=y
@ -17,6 +20,7 @@ CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@ -31,6 +35,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
@ -52,7 +57,6 @@ CONFIG_RCU_FANOUT=32
# CONFIG_TREE_RCU_TRACE is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=17
# CONFIG_GROUP_SCHED is not set
# CONFIG_CGROUPS is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
@ -88,10 +92,14 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_PERF_USE_VMALLOC=y
#
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# CONFIG_PERF_COUNTERS is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
CONFIG_COMPAT_BRK=y
@ -173,8 +181,11 @@ CONFIG_MMU=y
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_VEXPRESS is not set
# CONFIG_ARCH_AT91 is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_CNS3XXX is not set
# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_EP93XX is not set
@ -183,7 +194,6 @@ CONFIG_MMU=y
# CONFIG_ARCH_STMP3XXX is not set
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_IOP13XX is not set
# CONFIG_ARCH_IOP32X is not set
# CONFIG_ARCH_IOP33X is not set
@ -200,38 +210,28 @@ CONFIG_MMU=y
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_NS9XXX is not set
# CONFIG_ARCH_W90X900 is not set
# CONFIG_ARCH_NUC93X is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
# CONFIG_ARCH_MSM is not set
# CONFIG_ARCH_SHMOBILE is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
# CONFIG_ARCH_S3C64XX is not set
# CONFIG_ARCH_S5P6440 is not set
CONFIG_ARCH_S5P6442=y
# CONFIG_ARCH_S5PC1XX is not set
# CONFIG_ARCH_S5PC100 is not set
# CONFIG_ARCH_S5PV210 is not set
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set
# CONFIG_ARCH_U300 is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_DAVINCI is not set
# CONFIG_ARCH_OMAP is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_PLAT_SPEAR is not set
CONFIG_PLAT_SAMSUNG=y
CONFIG_SAMSUNG_CLKSRC=y
CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
CONFIG_SAMSUNG_IRQ_UART=y
CONFIG_SAMSUNG_GPIOLIB_4BIT=y
CONFIG_S3C_GPIO_CFG_S3C24XX=y
CONFIG_S3C_GPIO_CFG_S3C64XX=y
CONFIG_S3C_GPIO_PULL_UPDOWN=y
CONFIG_SAMSUNG_GPIO_EXTRA=0
# CONFIG_S3C_ADC is not set
#
# Power management
#
CONFIG_PLAT_S3C=y
#
# Boot options
@ -239,8 +239,23 @@ CONFIG_PLAT_S3C=y
# CONFIG_S3C_BOOT_ERROR_RESET is not set
CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
CONFIG_S3C_LOWLEVEL_UART_PORT=1
CONFIG_SAMSUNG_CLKSRC=y
CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
CONFIG_SAMSUNG_IRQ_UART=y
CONFIG_SAMSUNG_GPIOLIB_4BIT=y
CONFIG_S3C_GPIO_CFG_S3C24XX=y
CONFIG_S3C_GPIO_CFG_S3C64XX=y
CONFIG_S3C_GPIO_PULL_UPDOWN=y
CONFIG_S5P_GPIO_DRVSTR=y
CONFIG_SAMSUNG_GPIO_EXTRA=0
CONFIG_S3C_GPIO_SPACE=0
CONFIG_S3C_GPIO_TRACK=y
# CONFIG_S3C_ADC is not set
CONFIG_S3C_PL330_DMA=y
#
# Power management
#
CONFIG_PLAT_S5P=y
CONFIG_CPU_S5P6442=y
CONFIG_MACH_SMDK6442=y
@ -269,9 +284,12 @@ CONFIG_ARM_THUMB=y
# CONFIG_CPU_DCACHE_DISABLE is not set
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_ARM_L1_CACHE_SHIFT=5
CONFIG_ARM_DMA_MEM_BUFFERABLE=y
CONFIG_CPU_HAS_PMU=y
# CONFIG_ARM_ERRATA_411920 is not set
CONFIG_ARM_VIC=y
CONFIG_ARM_VIC_NR=2
CONFIG_PL330=y
#
# Bus support
@ -318,6 +336,7 @@ CONFIG_ALIGNMENT_TRAP=y
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
# CONFIG_CMDLINE_FORCE is not set
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
@ -394,6 +413,7 @@ CONFIG_HAVE_IDE=y
#
# SCSI device support
#
CONFIG_SCSI_MOD=y
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
@ -462,6 +482,7 @@ CONFIG_INPUT_EVDEV=y
CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_AD7879 is not set
# CONFIG_TOUCHSCREEN_DYNAPRO is not set
# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set
# CONFIG_TOUCHSCREEN_FUJITSU is not set
# CONFIG_TOUCHSCREEN_GUNZE is not set
# CONFIG_TOUCHSCREEN_ELO is not set
@ -515,6 +536,9 @@ CONFIG_SERIAL_SAMSUNG_CONSOLE=y
CONFIG_SERIAL_S5PV210=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
CONFIG_LEGACY_PTYS=y
@ -540,6 +564,7 @@ CONFIG_GPIOLIB=y
#
# Memory mapped GPIO expanders:
#
# CONFIG_GPIO_IT8761E is not set
#
# I2C GPIO expanders:
@ -613,10 +638,6 @@ CONFIG_RTC_LIB=y
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
#
# TI VLYNQ
#
# CONFIG_STAGING is not set
#
@ -685,6 +706,7 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_LOGFS is not set
CONFIG_CRAMFS=y
# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
@ -824,6 +846,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_ENABLE_DEFAULT_TRACERS is not set
# CONFIG_BOOT_TRACER is not set
@ -834,6 +857,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_KMEMTRACE is not set
# CONFIG_WORKQUEUE_TRACER is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set

237
arch/arm/configs/s5pc100_defconfig
View file

@ -1,12 +1,14 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.30
# Wed Jul 1 15:53:07 2009
# Linux kernel version: 2.6.34
# Wed May 26 19:04:35 2010
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
CONFIG_MMU=y
CONFIG_GENERIC_TIME=y
CONFIG_ARCH_USES_GETTIMEOFFSET=y
CONFIG_HAVE_PROC_CPU=y
CONFIG_NO_IOPORT=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_STACKTRACE_SUPPORT=y
@ -18,7 +20,9 @@ CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_ARM_L1_CACHE_SHIFT_6=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_CONSTRUCTORS=y
@ -31,6 +35,13 @@ CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
# CONFIG_KERNEL_LZMA is not set
# CONFIG_KERNEL_LZO is not set
CONFIG_SWAP=y
# CONFIG_SYSVIPC is not set
# CONFIG_BSD_PROCESS_ACCT is not set
@ -38,14 +49,15 @@ CONFIG_SWAP=y
#
# RCU Subsystem
#
CONFIG_CLASSIC_RCU=y
# CONFIG_TREE_RCU is not set
# CONFIG_PREEMPT_RCU is not set
CONFIG_TREE_RCU=y
# CONFIG_TREE_PREEMPT_RCU is not set
# CONFIG_TINY_RCU is not set
# CONFIG_RCU_TRACE is not set
CONFIG_RCU_FANOUT=32
# CONFIG_RCU_FANOUT_EXACT is not set
# CONFIG_TREE_RCU_TRACE is not set
# CONFIG_PREEMPT_RCU_TRACE is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=17
# CONFIG_GROUP_SCHED is not set
# CONFIG_CGROUPS is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
@ -59,6 +71,7 @@ CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
CONFIG_RD_BZIP2=y
CONFIG_RD_LZMA=y
CONFIG_RD_LZO=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
CONFIG_ANON_INODES=y
@ -80,19 +93,21 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_PERF_USE_VMALLOC=y
#
# Performance Counters
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# CONFIG_PERF_COUNTERS is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
# CONFIG_STRIP_ASM_SYMS is not set
CONFIG_COMPAT_BRK=y
# CONFIG_SLAB is not set
CONFIG_SLUB=y
# CONFIG_SLOB is not set
# CONFIG_PROFILING is not set
# CONFIG_MARKERS is not set
CONFIG_HAVE_OPROFILE=y
# CONFIG_KPROBES is not set
CONFIG_HAVE_KPROBES=y
@ -122,25 +137,56 @@ CONFIG_LBDAF=y
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_DEFAULT_AS is not set
# CONFIG_DEFAULT_DEADLINE is not set
CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="cfq"
# CONFIG_INLINE_SPIN_TRYLOCK is not set
# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
# CONFIG_INLINE_SPIN_LOCK is not set
# CONFIG_INLINE_SPIN_LOCK_BH is not set
# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
# CONFIG_INLINE_SPIN_UNLOCK is not set
# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
# CONFIG_INLINE_READ_TRYLOCK is not set
# CONFIG_INLINE_READ_LOCK is not set
# CONFIG_INLINE_READ_LOCK_BH is not set
# CONFIG_INLINE_READ_LOCK_IRQ is not set
# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
# CONFIG_INLINE_READ_UNLOCK is not set
# CONFIG_INLINE_READ_UNLOCK_BH is not set
# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
# CONFIG_INLINE_WRITE_TRYLOCK is not set
# CONFIG_INLINE_WRITE_LOCK is not set
# CONFIG_INLINE_WRITE_LOCK_BH is not set
# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
# CONFIG_INLINE_WRITE_UNLOCK is not set
# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
# CONFIG_MUTEX_SPIN_ON_OWNER is not set
# CONFIG_FREEZER is not set
#
# System Type
#
CONFIG_MMU=y
# CONFIG_ARCH_AAEC2000 is not set
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_VEXPRESS is not set
# CONFIG_ARCH_AT91 is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_CNS3XXX is not set
# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_EP93XX is not set
@ -156,6 +202,7 @@ CONFIG_DEFAULT_IOSCHED="cfq"
# CONFIG_ARCH_IXP2000 is not set
# CONFIG_ARCH_IXP4XX is not set
# CONFIG_ARCH_L7200 is not set
# CONFIG_ARCH_DOVE is not set
# CONFIG_ARCH_KIRKWOOD is not set
# CONFIG_ARCH_LOKI is not set
# CONFIG_ARCH_MV78XX0 is not set
@ -164,39 +211,64 @@ CONFIG_DEFAULT_IOSCHED="cfq"
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_NS9XXX is not set
# CONFIG_ARCH_W90X900 is not set
# CONFIG_ARCH_NUC93X is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
# CONFIG_ARCH_MSM is not set
# CONFIG_ARCH_SHMOBILE is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
# CONFIG_ARCH_S3C64XX is not set
CONFIG_ARCH_S5PC1XX=y
# CONFIG_ARCH_S5P6440 is not set
# CONFIG_ARCH_S5P6442 is not set
CONFIG_ARCH_S5PC100=y
# CONFIG_ARCH_S5PV210 is not set
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set
# CONFIG_ARCH_U300 is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_DAVINCI is not set
# CONFIG_ARCH_OMAP is not set
CONFIG_PLAT_S3C=y
# CONFIG_PLAT_SPEAR is not set
CONFIG_PLAT_SAMSUNG=y
#
# Boot options
#
# CONFIG_S3C_BOOT_ERROR_RESET is not set
CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
CONFIG_S3C_LOWLEVEL_UART_PORT=0
CONFIG_SAMSUNG_CLKSRC=y
CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
CONFIG_SAMSUNG_IRQ_UART=y
CONFIG_SAMSUNG_GPIOLIB_4BIT=y
CONFIG_S3C_GPIO_CFG_S3C24XX=y
CONFIG_S3C_GPIO_CFG_S3C64XX=y
CONFIG_S3C_GPIO_PULL_UPDOWN=y
CONFIG_S5P_GPIO_DRVSTR=y
CONFIG_SAMSUNG_GPIO_EXTRA=0
CONFIG_S3C_GPIO_SPACE=0
CONFIG_S3C_GPIO_TRACK=y
# CONFIG_S3C_ADC is not set
CONFIG_S3C_DEV_HSMMC=y
CONFIG_S3C_DEV_HSMMC1=y
CONFIG_S3C_DEV_HSMMC2=y
CONFIG_S3C_DEV_I2C1=y
CONFIG_S3C_DEV_FB=y
CONFIG_S3C_PL330_DMA=y
#
# Power management
#
CONFIG_S3C_LOWLEVEL_UART_PORT=0
CONFIG_S3C_GPIO_SPACE=0
CONFIG_S3C_GPIO_TRACK=y
CONFIG_S3C_GPIO_PULL_UPDOWN=y
CONFIG_PLAT_S5PC1XX=y
CONFIG_CPU_S5PC100_INIT=y
CONFIG_CPU_S5PC100_CLOCK=y
CONFIG_S5PC100_SETUP_I2C0=y
CONFIG_PLAT_S5P=y
CONFIG_S5P_EXT_INT=y
CONFIG_CPU_S5PC100=y
CONFIG_S5PC100_SETUP_FB_24BPP=y
CONFIG_S5PC100_SETUP_I2C1=y
CONFIG_S5PC100_SETUP_SDHCI=y
CONFIG_S5PC100_SETUP_SDHCI_GPIO=y
CONFIG_MACH_SMDKC100=y
#
@ -206,7 +278,7 @@ CONFIG_CPU_32v6K=y
CONFIG_CPU_V7=y
CONFIG_CPU_32v7=y
CONFIG_CPU_ABRT_EV7=y
CONFIG_CPU_PABRT_IFAR=y
CONFIG_CPU_PABRT_V7=y
CONFIG_CPU_CACHE_V7=y
CONFIG_CPU_CACHE_VIPT=y
CONFIG_CPU_COPY_V6=y
@ -224,11 +296,15 @@ CONFIG_ARM_THUMB=y
# CONFIG_CPU_DCACHE_DISABLE is not set
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_HAS_TLS_REG=y
CONFIG_ARM_L1_CACHE_SHIFT=6
CONFIG_ARM_DMA_MEM_BUFFERABLE=y
CONFIG_CPU_HAS_PMU=y
# CONFIG_ARM_ERRATA_430973 is not set
# CONFIG_ARM_ERRATA_458693 is not set
# CONFIG_ARM_ERRATA_460075 is not set
CONFIG_ARM_VIC=y
CONFIG_ARM_VIC_NR=2
CONFIG_PL330=y
#
# Bus support
@ -244,8 +320,11 @@ CONFIG_VMSPLIT_3G=y
# CONFIG_VMSPLIT_2G is not set
# CONFIG_VMSPLIT_1G is not set
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_HZ=100
# CONFIG_THUMB2_KERNEL is not set
CONFIG_AEABI=y
CONFIG_OABI_COMPAT=y
# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
@ -258,12 +337,11 @@ CONFIG_FLATMEM_MANUAL=y
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_SPLIT_PTLOCK_CPUS=999999
# CONFIG_PHYS_ADDR_T_64BIT is not set
CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
CONFIG_HAVE_MLOCK=y
CONFIG_HAVE_MLOCKED_PAGE_BIT=y
# CONFIG_KSM is not set
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_ALIGNMENT_TRAP=y
# CONFIG_UACCESS_WITH_MEMCPY is not set
@ -274,6 +352,7 @@ CONFIG_ALIGNMENT_TRAP=y
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=cramfs init=/linuxrc console=ttySAC2,115200 mem=128M"
# CONFIG_CMDLINE_FORCE is not set
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
@ -317,6 +396,7 @@ CONFIG_ARCH_SUSPEND_POSSIBLE=y
# Generic Driver Options
#
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_DEVTMPFS is not set
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
@ -331,6 +411,10 @@ CONFIG_BLK_DEV=y
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
#
# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
#
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=8192
@ -338,9 +422,12 @@ CONFIG_BLK_DEV_RAM_SIZE=8192
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_MG_DISK is not set
CONFIG_MISC_DEVICES=y
# CONFIG_AD525X_DPOT is not set
# CONFIG_ICS932S401 is not set
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_ISL29003 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_DS1682 is not set
# CONFIG_C2PORT is not set
#
@ -350,18 +437,21 @@ CONFIG_EEPROM_AT24=y
# CONFIG_EEPROM_LEGACY is not set
# CONFIG_EEPROM_MAX6875 is not set
# CONFIG_EEPROM_93CX6 is not set
# CONFIG_IWMC3200TOP is not set
CONFIG_HAVE_IDE=y
# CONFIG_IDE is not set
#
# SCSI device support
#
CONFIG_SCSI_MOD=y
# CONFIG_RAID_ATTRS is not set
# CONFIG_SCSI is not set
# CONFIG_SCSI_DMA is not set
# CONFIG_SCSI_NETLINK is not set
# CONFIG_ATA is not set
# CONFIG_MD is not set
# CONFIG_PHONE is not set
#
# Input device support
@ -369,6 +459,7 @@ CONFIG_HAVE_IDE=y
CONFIG_INPUT=y
# CONFIG_INPUT_FF_MEMLESS is not set
# CONFIG_INPUT_POLLDEV is not set
# CONFIG_INPUT_SPARSEKMAP is not set
#
# Userland interfaces
@ -385,13 +476,19 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
# CONFIG_KEYBOARD_ADP5588 is not set
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_SUNKBD is not set
# CONFIG_QT2160 is not set
# CONFIG_KEYBOARD_LKKBD is not set
# CONFIG_KEYBOARD_XTKBD is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
# CONFIG_KEYBOARD_GPIO is not set
# CONFIG_KEYBOARD_TCA6416 is not set
# CONFIG_KEYBOARD_MATRIX is not set
# CONFIG_KEYBOARD_MAX7359 is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_OPENCORES is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
# CONFIG_KEYBOARD_SUNKBD is not set
# CONFIG_KEYBOARD_XTKBD is not set
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
CONFIG_MOUSE_PS2_ALPS=y
@ -399,6 +496,7 @@ CONFIG_MOUSE_PS2_LOGIPS2PP=y
CONFIG_MOUSE_PS2_SYNAPTICS=y
CONFIG_MOUSE_PS2_TRACKPOINT=y
# CONFIG_MOUSE_PS2_ELANTECH is not set
# CONFIG_MOUSE_PS2_SENTELIC is not set
# CONFIG_MOUSE_PS2_TOUCHKIT is not set
# CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_APPLETOUCH is not set
@ -418,6 +516,7 @@ CONFIG_SERIO=y
CONFIG_SERIO_SERPORT=y
CONFIG_SERIO_LIBPS2=y
# CONFIG_SERIO_RAW is not set
# CONFIG_SERIO_ALTERA_PS2 is not set
# CONFIG_GAMEPORT is not set
#
@ -444,11 +543,16 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
# Non-8250 serial port support
#
CONFIG_SERIAL_SAMSUNG=y
CONFIG_SERIAL_SAMSUNG_UARTS=3
CONFIG_SERIAL_SAMSUNG_UARTS_4=y
CONFIG_SERIAL_SAMSUNG_UARTS=4
# CONFIG_SERIAL_SAMSUNG_DEBUG is not set
CONFIG_SERIAL_SAMSUNG_CONSOLE=y
CONFIG_SERIAL_S3C6400=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
CONFIG_LEGACY_PTYS=y
@ -461,6 +565,7 @@ CONFIG_HW_RANDOM=y
# CONFIG_TCG_TPM is not set
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_COMPAT=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_HELPER_AUTO=y
@ -471,9 +576,11 @@ CONFIG_I2C_HELPER_AUTO=y
#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
# CONFIG_I2C_DESIGNWARE is not set
# CONFIG_I2C_GPIO is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_SIMTEC is not set
# CONFIG_I2C_XILINX is not set
#
# External I2C/SMBus adapter drivers
@ -486,20 +593,15 @@ CONFIG_I2C_HELPER_AUTO=y
#
# CONFIG_I2C_PCA_PLATFORM is not set
# CONFIG_I2C_STUB is not set
#
# Miscellaneous I2C Chip support
#
# CONFIG_DS1682 is not set
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_PCF8575 is not set
# CONFIG_SENSORS_PCA9539 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CHIP is not set
# CONFIG_SPI is not set
#
# PPS support
#
# CONFIG_PPS is not set
CONFIG_ARCH_REQUIRE_GPIOLIB=y
CONFIG_GPIOLIB=y
# CONFIG_DEBUG_GPIO is not set
@ -508,13 +610,16 @@ CONFIG_GPIOLIB=y
#
# Memory mapped GPIO expanders:
#
# CONFIG_GPIO_IT8761E is not set
#
# I2C GPIO expanders:
#
# CONFIG_GPIO_MAX7300 is not set
# CONFIG_GPIO_MAX732X is not set
# CONFIG_GPIO_PCA953X is not set
# CONFIG_GPIO_PCF857X is not set
# CONFIG_GPIO_ADP5588 is not set
#
# PCI GPIO expanders:
@ -523,10 +628,19 @@ CONFIG_GPIOLIB=y
#
# SPI GPIO expanders:
#
#
# AC97 GPIO expanders:
#
# CONFIG_W1 is not set
# CONFIG_POWER_SUPPLY is not set
CONFIG_HWMON=y
# CONFIG_HWMON_VID is not set
# CONFIG_HWMON_DEBUG_CHIP is not set
#
# Native drivers
#
# CONFIG_SENSORS_AD7414 is not set
# CONFIG_SENSORS_AD7418 is not set
# CONFIG_SENSORS_ADM1021 is not set
@ -535,10 +649,11 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ADM9240 is not set
# CONFIG_SENSORS_ADT7411 is not set
# CONFIG_SENSORS_ADT7462 is not set
# CONFIG_SENSORS_ADT7470 is not set
# CONFIG_SENSORS_ADT7473 is not set
# CONFIG_SENSORS_ADT7475 is not set
# CONFIG_SENSORS_ASC7621 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_F71805F is not set
@ -549,6 +664,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_IT87 is not set
# CONFIG_SENSORS_LM63 is not set
# CONFIG_SENSORS_LM73 is not set
# CONFIG_SENSORS_LM75 is not set
# CONFIG_SENSORS_LM77 is not set
# CONFIG_SENSORS_LM78 is not set
@ -573,8 +689,10 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
# CONFIG_SENSORS_ADS7828 is not set
# CONFIG_SENSORS_AMC6821 is not set
# CONFIG_SENSORS_THMC50 is not set
# CONFIG_SENSORS_TMP401 is not set
# CONFIG_SENSORS_TMP421 is not set
# CONFIG_SENSORS_VT1211 is not set
# CONFIG_SENSORS_W83781D is not set
# CONFIG_SENSORS_W83791D is not set
@ -584,9 +702,8 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_W83L786NG is not set
# CONFIG_SENSORS_W83627HF is not set
# CONFIG_SENSORS_W83627EHF is not set
# CONFIG_HWMON_DEBUG_CHIP is not set
# CONFIG_SENSORS_LIS3_I2C is not set
# CONFIG_THERMAL is not set
# CONFIG_THERMAL_HWMON is not set
# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y
@ -599,10 +716,12 @@ CONFIG_SSB_POSSIBLE=y
# Multifunction device drivers
#
# CONFIG_MFD_CORE is not set
# CONFIG_MFD_88PM860X is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_MFD_ASIC3 is not set
# CONFIG_HTC_EGPIO is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_HTC_I2CPLD is not set
# CONFIG_TPS65010 is not set
# CONFIG_TWL4030_CORE is not set
# CONFIG_MFD_TMIO is not set
@ -610,10 +729,15 @@ CONFIG_SSB_POSSIBLE=y
# CONFIG_MFD_TC6387XB is not set
# CONFIG_MFD_TC6393XB is not set
# CONFIG_PMIC_DA903X is not set
# CONFIG_PMIC_ADP5520 is not set
# CONFIG_MFD_MAX8925 is not set
# CONFIG_MFD_WM8400 is not set
# CONFIG_MFD_WM831X is not set
# CONFIG_MFD_WM8350_I2C is not set
# CONFIG_MFD_WM8994 is not set
# CONFIG_MFD_PCF50633 is not set
# CONFIG_AB3100_CORE is not set
# CONFIG_REGULATOR is not set
# CONFIG_MEDIA_SUPPORT is not set
#
@ -637,7 +761,6 @@ CONFIG_DUMMY_CONSOLE=y
# CONFIG_SOUND is not set
CONFIG_HID_SUPPORT=y
CONFIG_HID=y
CONFIG_HID_DEBUG=y
# CONFIG_HIDRAW is not set
# CONFIG_HID_PID is not set
@ -680,13 +803,12 @@ CONFIG_SDIO_UART=y
CONFIG_MMC_SDHCI=y
# CONFIG_MMC_SDHCI_PLTFM is not set
# CONFIG_MEMSTICK is not set
# CONFIG_ACCESSIBILITY is not set
# CONFIG_NEW_LEDS is not set
# CONFIG_ACCESSIBILITY is not set
CONFIG_RTC_LIB=y
# CONFIG_RTC_CLASS is not set
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
# CONFIG_REGULATOR is not set
# CONFIG_UIO is not set
# CONFIG_STAGING is not set
@ -710,6 +832,7 @@ CONFIG_FS_POSIX_ACL=y
# CONFIG_XFS_FS is not set
# CONFIG_GFS2_FS is not set
# CONFIG_BTRFS_FS is not set
# CONFIG_NILFS2_FS is not set
CONFIG_FILE_LOCKING=y
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
@ -758,6 +881,7 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_LOGFS is not set
CONFIG_CRAMFS=y
# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
@ -772,7 +896,6 @@ CONFIG_ROMFS_BACKED_BY_BLOCK=y
CONFIG_ROMFS_ON_BLOCK=y
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
# CONFIG_NILFS2_FS is not set
#
# Partition Types
@ -789,6 +912,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_FRAME_WARN=1024
CONFIG_MAGIC_SYSRQ=y
# CONFIG_STRIP_ASM_SYMS is not set
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_HEADERS_CHECK is not set
@ -826,11 +950,13 @@ CONFIG_DEBUG_MEMORY_INIT=y
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_DEBUG_CREDENTIALS is not set
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
@ -839,6 +965,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_ENABLE_DEFAULT_TRACERS is not set
# CONFIG_BOOT_TRACER is not set
@ -849,6 +976,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_KMEMTRACE is not set
# CONFIG_WORKQUEUE_TRACER is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
@ -857,8 +985,9 @@ CONFIG_DEBUG_USER=y
CONFIG_DEBUG_ERRORS=y
# CONFIG_DEBUG_STACK_USAGE is not set
CONFIG_DEBUG_LL=y
# CONFIG_EARLY_PRINTK is not set
# CONFIG_DEBUG_ICEDCC is not set
CONFIG_DEBUG_S3C_PORT=y
# CONFIG_OC_ETM is not set
CONFIG_DEBUG_S3C_UART=0
#
@ -867,7 +996,11 @@ CONFIG_DEBUG_S3C_UART=0
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
# CONFIG_SECURITYFS is not set
# CONFIG_SECURITY_FILE_CAPABILITIES is not set
# CONFIG_DEFAULT_SECURITY_SELINUX is not set
# CONFIG_DEFAULT_SECURITY_SMACK is not set
# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
CONFIG_DEFAULT_SECURITY_DAC=y
CONFIG_DEFAULT_SECURITY=""
# CONFIG_CRYPTO is not set
# CONFIG_BINARY_PRINTF is not set
@ -884,8 +1017,10 @@ CONFIG_CRC32=y
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_DECOMPRESS_GZIP=y
CONFIG_DECOMPRESS_BZIP2=y
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_DMA=y

52
arch/arm/configs/s5pc110_defconfig
View file

@ -1,11 +1,14 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.33-rc4
# Wed Feb 24 15:36:54 2010
# Linux kernel version: 2.6.34
# Wed May 26 19:04:37 2010
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
CONFIG_GENERIC_TIME=y
CONFIG_ARCH_USES_GETTIMEOFFSET=y
CONFIG_HAVE_PROC_CPU=y
CONFIG_NO_IOPORT=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_STACKTRACE_SUPPORT=y
@ -17,6 +20,7 @@ CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_ARM_L1_CACHE_SHIFT_6=y
CONFIG_VECTORS_BASE=0xffff0000
@ -33,6 +37,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
@ -54,7 +59,6 @@ CONFIG_RCU_FANOUT=32
# CONFIG_TREE_RCU_TRACE is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=17
# CONFIG_GROUP_SCHED is not set
# CONFIG_CGROUPS is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
@ -90,10 +94,14 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_PERF_USE_VMALLOC=y
#
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# CONFIG_PERF_COUNTERS is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
CONFIG_COMPAT_BRK=y
@ -175,8 +183,11 @@ CONFIG_MMU=y
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_VEXPRESS is not set
# CONFIG_ARCH_AT91 is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_CNS3XXX is not set
# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_EP93XX is not set
@ -185,7 +196,6 @@ CONFIG_MMU=y
# CONFIG_ARCH_STMP3XXX is not set
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_IOP13XX is not set
# CONFIG_ARCH_IOP32X is not set
# CONFIG_ARCH_IOP33X is not set
@ -202,24 +212,27 @@ CONFIG_MMU=y
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_NS9XXX is not set
# CONFIG_ARCH_W90X900 is not set
# CONFIG_ARCH_NUC93X is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
# CONFIG_ARCH_MSM is not set
# CONFIG_ARCH_SHMOBILE is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
# CONFIG_ARCH_S3C64XX is not set
# CONFIG_ARCH_S5P6440 is not set
# CONFIG_ARCH_S5P6442 is not set
# CONFIG_ARCH_S5PC1XX is not set
# CONFIG_ARCH_S5PC100 is not set
CONFIG_ARCH_S5PV210=y
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set
# CONFIG_ARCH_U300 is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_DAVINCI is not set
# CONFIG_ARCH_OMAP is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_PLAT_SPEAR is not set
CONFIG_PLAT_SAMSUNG=y
#
@ -235,16 +248,22 @@ CONFIG_SAMSUNG_GPIOLIB_4BIT=y
CONFIG_S3C_GPIO_CFG_S3C24XX=y
CONFIG_S3C_GPIO_CFG_S3C64XX=y
CONFIG_S3C_GPIO_PULL_UPDOWN=y
CONFIG_S5P_GPIO_DRVSTR=y
CONFIG_SAMSUNG_GPIO_EXTRA=0
CONFIG_S3C_GPIO_SPACE=0
CONFIG_S3C_GPIO_TRACK=y
# CONFIG_S3C_ADC is not set
CONFIG_S3C_DEV_WDT=y
CONFIG_S3C_PL330_DMA=y
#
# Power management
#
CONFIG_PLAT_S5P=y
CONFIG_S5P_EXT_INT=y
CONFIG_CPU_S5PV210=y
# CONFIG_MACH_AQUILA is not set
# CONFIG_MACH_GONI is not set
# CONFIG_MACH_SMDKV210 is not set
CONFIG_MACH_SMDKC110=y
@ -274,11 +293,14 @@ CONFIG_ARM_THUMB=y
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_HAS_TLS_REG=y
CONFIG_ARM_L1_CACHE_SHIFT=6
CONFIG_ARM_DMA_MEM_BUFFERABLE=y
CONFIG_CPU_HAS_PMU=y
# CONFIG_ARM_ERRATA_430973 is not set
# CONFIG_ARM_ERRATA_458693 is not set
# CONFIG_ARM_ERRATA_460075 is not set
CONFIG_ARM_VIC=y
CONFIG_ARM_VIC_NR=2
CONFIG_PL330=y
#
# Bus support
@ -327,6 +349,7 @@ CONFIG_ALIGNMENT_TRAP=y
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
# CONFIG_CMDLINE_FORCE is not set
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
@ -404,6 +427,7 @@ CONFIG_HAVE_IDE=y
#
# SCSI device support
#
CONFIG_SCSI_MOD=y
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
@ -472,6 +496,7 @@ CONFIG_INPUT_EVDEV=y
CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_AD7879 is not set
# CONFIG_TOUCHSCREEN_DYNAPRO is not set
# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set
# CONFIG_TOUCHSCREEN_FUJITSU is not set
# CONFIG_TOUCHSCREEN_GUNZE is not set
# CONFIG_TOUCHSCREEN_ELO is not set
@ -526,6 +551,9 @@ CONFIG_SERIAL_SAMSUNG_CONSOLE=y
CONFIG_SERIAL_S5PV210=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
CONFIG_LEGACY_PTYS=y
@ -551,6 +579,7 @@ CONFIG_GPIOLIB=y
#
# Memory mapped GPIO expanders:
#
# CONFIG_GPIO_IT8761E is not set
#
# I2C GPIO expanders:
@ -572,6 +601,7 @@ CONFIG_GPIOLIB=y
# CONFIG_HWMON is not set
# CONFIG_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_HAVE_S3C2410_WATCHDOG=y
CONFIG_SSB_POSSIBLE=y
#
@ -624,10 +654,6 @@ CONFIG_RTC_LIB=y
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
#
# TI VLYNQ
#
# CONFIG_STAGING is not set
#
@ -696,6 +722,7 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_LOGFS is not set
CONFIG_CRAMFS=y
# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
@ -835,6 +862,8 @@ CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_PREEMPT_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_ENABLE_DEFAULT_TRACERS is not set
# CONFIG_BOOT_TRACER is not set
@ -845,6 +874,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_KMEMTRACE is not set
# CONFIG_WORKQUEUE_TRACER is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set

55
arch/arm/configs/s5pv210_defconfig
View file

@ -1,11 +1,14 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.33-rc4
# Wed Feb 24 15:36:16 2010
# Linux kernel version: 2.6.34
# Wed May 26 19:04:39 2010
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
CONFIG_GENERIC_TIME=y
CONFIG_ARCH_USES_GETTIMEOFFSET=y
CONFIG_HAVE_PROC_CPU=y
CONFIG_NO_IOPORT=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_STACKTRACE_SUPPORT=y
@ -17,6 +20,7 @@ CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_ARM_L1_CACHE_SHIFT_6=y
CONFIG_VECTORS_BASE=0xffff0000
@ -33,6 +37,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
@ -54,7 +59,6 @@ CONFIG_RCU_FANOUT=32
# CONFIG_TREE_RCU_TRACE is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=17
# CONFIG_GROUP_SCHED is not set
# CONFIG_CGROUPS is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
@ -90,10 +94,14 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_PERF_USE_VMALLOC=y
#
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# CONFIG_PERF_COUNTERS is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
CONFIG_COMPAT_BRK=y
@ -175,8 +183,11 @@ CONFIG_MMU=y
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_VEXPRESS is not set
# CONFIG_ARCH_AT91 is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_CNS3XXX is not set
# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_EP93XX is not set
@ -185,7 +196,6 @@ CONFIG_MMU=y
# CONFIG_ARCH_STMP3XXX is not set
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_IOP13XX is not set
# CONFIG_ARCH_IOP32X is not set
# CONFIG_ARCH_IOP33X is not set
@ -202,24 +212,27 @@ CONFIG_MMU=y
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_NS9XXX is not set
# CONFIG_ARCH_W90X900 is not set
# CONFIG_ARCH_NUC93X is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
# CONFIG_ARCH_MSM is not set
# CONFIG_ARCH_SHMOBILE is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
# CONFIG_ARCH_S3C64XX is not set
# CONFIG_ARCH_S5P6440 is not set
# CONFIG_ARCH_S5P6442 is not set
# CONFIG_ARCH_S5PC1XX is not set
# CONFIG_ARCH_S5PC100 is not set
CONFIG_ARCH_S5PV210=y
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set
# CONFIG_ARCH_U300 is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_DAVINCI is not set
# CONFIG_ARCH_OMAP is not set
# CONFIG_ARCH_BCMRING is not set
# CONFIG_ARCH_U8500 is not set
# CONFIG_PLAT_SPEAR is not set
CONFIG_PLAT_SAMSUNG=y
#
@ -235,16 +248,24 @@ CONFIG_SAMSUNG_GPIOLIB_4BIT=y
CONFIG_S3C_GPIO_CFG_S3C24XX=y
CONFIG_S3C_GPIO_CFG_S3C64XX=y
CONFIG_S3C_GPIO_PULL_UPDOWN=y
CONFIG_S5P_GPIO_DRVSTR=y
CONFIG_SAMSUNG_GPIO_EXTRA=0
CONFIG_S3C_GPIO_SPACE=0
CONFIG_S3C_GPIO_TRACK=y
# CONFIG_S3C_ADC is not set
CONFIG_S3C_DEV_WDT=y
CONFIG_SAMSUNG_DEV_ADC=y
CONFIG_SAMSUNG_DEV_TS=y
CONFIG_S3C_PL330_DMA=y
#
# Power management
#
CONFIG_PLAT_S5P=y
CONFIG_S5P_EXT_INT=y
CONFIG_CPU_S5PV210=y
# CONFIG_MACH_AQUILA is not set
# CONFIG_MACH_GONI is not set
CONFIG_MACH_SMDKV210=y
# CONFIG_MACH_SMDKC110 is not set
@ -274,11 +295,14 @@ CONFIG_ARM_THUMB=y
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_HAS_TLS_REG=y
CONFIG_ARM_L1_CACHE_SHIFT=6
CONFIG_ARM_DMA_MEM_BUFFERABLE=y
CONFIG_CPU_HAS_PMU=y
# CONFIG_ARM_ERRATA_430973 is not set
# CONFIG_ARM_ERRATA_458693 is not set
# CONFIG_ARM_ERRATA_460075 is not set
CONFIG_ARM_VIC=y
CONFIG_ARM_VIC_NR=2
CONFIG_PL330=y
#
# Bus support
@ -327,6 +351,7 @@ CONFIG_ALIGNMENT_TRAP=y
CONFIG_ZBOOT_ROM_TEXT=0
CONFIG_ZBOOT_ROM_BSS=0
CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
# CONFIG_CMDLINE_FORCE is not set
# CONFIG_XIP_KERNEL is not set
# CONFIG_KEXEC is not set
@ -404,6 +429,7 @@ CONFIG_HAVE_IDE=y
#
# SCSI device support
#
CONFIG_SCSI_MOD=y
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
@ -472,7 +498,9 @@ CONFIG_INPUT_EVDEV=y
CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_AD7879 is not set
# CONFIG_TOUCHSCREEN_DYNAPRO is not set
# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set
# CONFIG_TOUCHSCREEN_FUJITSU is not set
# CONFIG_TOUCHSCREEN_S3C2410 is not set
# CONFIG_TOUCHSCREEN_GUNZE is not set
# CONFIG_TOUCHSCREEN_ELO is not set
# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
@ -526,6 +554,9 @@ CONFIG_SERIAL_SAMSUNG_CONSOLE=y
CONFIG_SERIAL_S5PV210=y
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
CONFIG_LEGACY_PTYS=y
@ -551,6 +582,7 @@ CONFIG_GPIOLIB=y
#
# Memory mapped GPIO expanders:
#
# CONFIG_GPIO_IT8761E is not set
#
# I2C GPIO expanders:
@ -572,6 +604,7 @@ CONFIG_GPIOLIB=y
# CONFIG_HWMON is not set
# CONFIG_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_HAVE_S3C2410_WATCHDOG=y
CONFIG_SSB_POSSIBLE=y
#
@ -624,10 +657,6 @@ CONFIG_RTC_LIB=y
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
#
# TI VLYNQ
#
# CONFIG_STAGING is not set
#
@ -696,6 +725,7 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_LOGFS is not set
CONFIG_CRAMFS=y
# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
@ -835,6 +865,8 @@ CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_PREEMPT_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_ENABLE_DEFAULT_TRACERS is not set
# CONFIG_BOOT_TRACER is not set
@ -845,6 +877,7 @@ CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_KMEMTRACE is not set
# CONFIG_WORKQUEUE_TRACER is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set

4
arch/arm/include/asm/hardirq.h
View file

@ -12,7 +12,9 @@ typedef struct {
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
#if NR_IRQS > 256
#if NR_IRQS > 512
#define HARDIRQ_BITS 10
#elif NR_IRQS > 256
#define HARDIRQ_BITS 9
#else
#define HARDIRQ_BITS 8

3
arch/arm/include/asm/scatterlist.h
View file

@ -3,9 +3,6 @@
#include <asm/memory.h>
#include <asm/types.h>
#include <asm-generic/scatterlist.h>
#undef ARCH_HAS_SG_CHAIN
#endif /* _ASMARM_SCATTERLIST_H */

2
arch/arm/kernel/setup.c
View file

@ -593,6 +593,7 @@ static int __init parse_tag_revision(const struct tag *tag)
__tagtable(ATAG_REVISION, parse_tag_revision);
#ifndef CONFIG_CMDLINE_FORCE
static int __init parse_tag_cmdline(const struct tag *tag)
{
strlcpy(default_command_line, tag->u.cmdline.cmdline, COMMAND_LINE_SIZE);
@ -600,6 +601,7 @@ static int __init parse_tag_cmdline(const struct tag *tag)
}
__tagtable(ATAG_CMDLINE, parse_tag_cmdline);
#endif /* CONFIG_CMDLINE_FORCE */
/*
* Scan the tag table for this tag, and call its parse function.

2
arch/arm/kernel/unwind.c
View file

@ -26,6 +26,7 @@
* http://infocenter.arm.com/help/topic/com.arm.doc.subset.swdev.abi/index.html
*/
#ifndef __CHECKER__
#if !defined (__ARM_EABI__)
#warning Your compiler does not have EABI support.
#warning ARM unwind is known to compile only with EABI compilers.
@ -34,6 +35,7 @@
#warning Your compiler is too buggy; it is known to not compile ARM unwind support.
#warning Change compiler or disable ARM_UNWIND option.
#endif
#endif /* __CHECKER__ */
#include <linux/kernel.h>
#include <linux/init.h>

1
arch/arm/mach-at91/board-sam9m10g45ek.c
View file

@ -25,7 +25,6 @@
#include <linux/leds.h>
#include <linux/clk.h>
#include <mach/hardware.h>
#include <video/atmel_lcdc.h>
#include <asm/setup.h>

3
arch/arm/mach-clps711x/Makefile.boot
View file

@ -1,7 +1,6 @@
# The standard locations for stuff on CLPS711x type processors
zreladdr-y := 0xc0028000
zreladdr-y := 0xc0028000
params_phys-y := 0xc0000100
# Should probably have some agreement on these...
initrd_phys-$(CONFIG_ARCH_P720T) := 0xc0400000
initrd_phys-$(CONFIG_ARCH_CDB89712) := 0x00700000

19
arch/arm/mach-davinci/board-da850-evm.c
View file

@ -17,6 +17,7 @@
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/i2c/pca953x.h>
#include <linux/mfd/tps6507x.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
@ -24,6 +25,8 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/tps6507x.h>
#include <linux/input/tps6507x-ts.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -533,10 +536,24 @@ struct regulator_init_data tps65070_regulator_data[] = {
},
};
static struct touchscreen_init_data tps6507x_touchscreen_data = {
.poll_period = 30, /* ms between touch samples */
.min_pressure = 0x30, /* minimum pressure to trigger touch */
.vref = 0, /* turn off vref when not using A/D */
.vendor = 0, /* /sys/class/input/input?/id/vendor */
.product = 65070, /* /sys/class/input/input?/id/product */
.version = 0x100, /* /sys/class/input/input?/id/version */
};
static struct tps6507x_board tps_board = {
.tps6507x_pmic_init_data = &tps65070_regulator_data[0],
.tps6507x_ts_init_data = &tps6507x_touchscreen_data,
};
static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
{
I2C_BOARD_INFO("tps6507x", 0x48),
.platform_data = &tps65070_regulator_data[0],
.platform_data = &tps_board,
},
};

3
arch/arm/mach-davinci/include/mach/mmc.h
View file

@ -22,6 +22,9 @@ struct davinci_mmc_config {
/* Version of the MMC/SD controller */
u8 version;
/* Number of sg segments */
u8 nr_sg;
};
void davinci_setup_mmc(int module, struct davinci_mmc_config *config);

27
arch/arm/mach-ep93xx/include/mach/ep93xx_spi.h Normal file
View file

@ -0,0 +1,27 @@
#ifndef __ASM_MACH_EP93XX_SPI_H
#define __ASM_MACH_EP93XX_SPI_H
struct spi_device;
/**
* struct ep93xx_spi_info - EP93xx specific SPI descriptor
* @num_chipselect: number of chip selects on this board, must be
* at least one
*/
struct ep93xx_spi_info {
int num_chipselect;
};
/**
* struct ep93xx_spi_chip_ops - operation callbacks for SPI slave device
* @setup: setup the chip select mechanism
* @cleanup: cleanup the chip select mechanism
* @cs_control: control the device chip select
*/
struct ep93xx_spi_chip_ops {
int (*setup)(struct spi_device *spi);
void (*cleanup)(struct spi_device *spi);
void (*cs_control)(struct spi_device *spi, int value);
};
#endif /* __ASM_MACH_EP93XX_SPI_H */

6
arch/arm/mach-footbridge/ebsa285-pci.c
View file

@ -20,9 +20,9 @@ static int __init ebsa285_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
if (dev->vendor == PCI_VENDOR_ID_CONTAQ &&
dev->device == PCI_DEVICE_ID_CONTAQ_82C693)
switch (PCI_FUNC(dev->devfn)) {
case 1: return 14;
case 2: return 15;
case 3: return 12;
case 1: return 14;
case 2: return 15;
case 3: return 12;
}
return irqmap_ebsa285[(slot + pin) & 3];

4
arch/arm/mach-h720x/common.h
View file

@ -14,13 +14,13 @@
*/
extern unsigned long h720x_gettimeoffset(void);
extern void __init h720x_init_irq (void);
extern void __init h720x_init_irq(void);
extern void __init h720x_map_io(void);
#ifdef CONFIG_ARCH_H7202
extern struct sys_timer h7202_timer;
extern void __init init_hw_h7202(void);
extern void __init h7202_init_irq (void);
extern void __init h7202_init_irq(void);
extern void __init h7202_init_time(void);
#endif

1
arch/arm/mach-msm/board-msm7x27.c
View file

@ -20,7 +20,6 @@
#include <linux/input.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/bootmem.h>
#include <linux/power_supply.h>
#include <mach/hardware.h>

1
arch/arm/mach-msm/board-msm7x30.c
View file

@ -20,7 +20,6 @@
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/bootmem.h>
#include <linux/io.h>
#include <linux/smsc911x.h>

1
arch/arm/mach-msm/board-qsd8x50.c
View file

@ -19,7 +19,6 @@
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/bootmem.h>
#include <linux/delay.h>
#include <asm/mach-types.h>

13
arch/arm/mach-mx2/devices.c
View file

@ -109,12 +109,7 @@ DEFINE_IMX_GPT_DEVICE(4, MX27_GPT5_BASE_ADDR, MX27_INT_GPT5);
DEFINE_IMX_GPT_DEVICE(5, MX27_GPT6_BASE_ADDR, MX27_INT_GPT6);
#endif
/*
* Watchdog:
* - i.MX1
* - i.MX21
* - i.MX27
*/
/* Watchdog: i.MX1 has seperate driver, i.MX21 and i.MX27 are equal */
static struct resource mxc_wdt_resources[] = {
{
.start = MX2x_WDOG_BASE_ADDR,
@ -124,7 +119,7 @@ static struct resource mxc_wdt_resources[] = {
};
struct platform_device mxc_wdt = {
.name = "mxc_wdt",
.name = "imx2-wdt",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_wdt_resources),
.resource = mxc_wdt_resources,
@ -483,8 +478,8 @@ int __init mxc_register_gpios(void)
#ifdef CONFIG_MACH_MX21
static struct resource mx21_usbhc_resources[] = {
{
.start = MX21_BASE_ADDR,
.end = MX21_BASE_ADDR + 0x1FFF,
.start = MX21_USBOTG_BASE_ADDR,
.end = MX21_USBOTG_BASE_ADDR + SZ_8K - 1,
.flags = IORESOURCE_MEM,
},
{

1
arch/arm/mach-mx2/mach-pca100.c
View file

@ -145,6 +145,7 @@ static struct mxc_nand_platform_data pca100_nand_board_info = {
static struct platform_device *platform_devices[] __initdata = {
&mxc_w1_master_device,
&mxc_fec_device,
&mxc_wdt,
};
static struct imxi2c_platform_data pca100_i2c_1_data = {

1
arch/arm/mach-mx2/mach-pcm038.c
View file

@ -182,6 +182,7 @@ static struct platform_device *platform_devices[] __initdata = {
&mxc_w1_master_device,
&mxc_fec_device,
&pcm038_sram_mtd_device,
&mxc_wdt,
};
/* On pcm038 there's a sram attached to CS1, we enable the chipselect here and

15
arch/arm/mach-mx25/devices.c
View file

@ -500,3 +500,18 @@ struct platform_device mx25_fb_device = {
.coherent_dma_mask = 0xFFFFFFFF,
},
};
static struct resource mxc_wdt_resources[] = {
{
.start = MX25_WDOG_BASE_ADDR,
.end = MX25_WDOG_BASE_ADDR + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
};
struct platform_device mxc_wdt = {
.name = "imx2-wdt",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_wdt_resources),
.resource = mxc_wdt_resources,
};

1
arch/arm/mach-mx25/devices.h
View file

@ -21,3 +21,4 @@ extern struct platform_device mx25_fec_device;
extern struct platform_device mxc_nand_device;
extern struct platform_device mx25_rtc_device;
extern struct platform_device mx25_fb_device;
extern struct platform_device mxc_wdt;

1
arch/arm/mach-mx3/Kconfig
View file

@ -82,6 +82,7 @@ config MACH_MX31MOBOARD
config MACH_MX31LILLY
bool "Support MX31 LILLY-1131 platforms (INCO startec)"
select ARCH_MX31
select MXC_ULPI if USB_ULPI
help
Include support for mx31 based LILLY1131 modules. This includes
specific configurations for the board and its peripherals.

40
arch/arm/mach-mx3/devices.c
View file

@ -582,12 +582,50 @@ static struct resource imx_wdt_resources[] = {
};
struct platform_device imx_wdt_device0 = {
.name = "imx-wdt",
.name = "imx2-wdt",
.id = 0,
.num_resources = ARRAY_SIZE(imx_wdt_resources),
.resource = imx_wdt_resources,
};
static struct resource imx_rtc_resources[] = {
{
.start = MX31_RTC_BASE_ADDR,
.end = MX31_RTC_BASE_ADDR + 0x3fff,
.flags = IORESOURCE_MEM,
},
{
.start = MX31_INT_RTC,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device imx_rtc_device0 = {
.name = "mxc_rtc",
.id = -1,
.num_resources = ARRAY_SIZE(imx_rtc_resources),
.resource = imx_rtc_resources,
};
static struct resource imx_kpp_resources[] = {
{
.start = MX3x_KPP_BASE_ADDR,
.end = MX3x_KPP_BASE_ADDR + 0xf,
.flags = IORESOURCE_MEM
}, {
.start = MX3x_INT_KPP,
.end = MX3x_INT_KPP,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device imx_kpp_device = {
.name = "imx-keypad",
.id = -1,
.num_resources = ARRAY_SIZE(imx_kpp_resources),
.resource = imx_kpp_resources,
};
static int __init mx3_devices_init(void)
{
if (cpu_is_mx31()) {

2
arch/arm/mach-mx3/devices.h
View file

@ -27,3 +27,5 @@ extern struct platform_device imx_ssi_device0;
extern struct platform_device imx_ssi_device1;
extern struct platform_device imx_ssi_device1;
extern struct platform_device imx_wdt_device0;
extern struct platform_device imx_rtc_device0;
extern struct platform_device imx_kpp_device;

87
arch/arm/mach-mx3/mach-mx31_3ds.c
View file

@ -16,6 +16,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/clk.h>
@ -26,6 +27,8 @@
#include <linux/mfd/mc13783.h>
#include <linux/spi/spi.h>
#include <linux/regulator/machine.h>
#include <linux/fsl_devices.h>
#include <linux/input/matrix_keypad.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@ -65,6 +68,50 @@ static int mx31_3ds_pins[] = {
MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
/* MC13783 IRQ */
IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
/* USB OTG reset */
IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO),
/* USB OTG */
MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
MX31_PIN_USBOTG_CLK__USBOTG_CLK,
MX31_PIN_USBOTG_DIR__USBOTG_DIR,
MX31_PIN_USBOTG_NXT__USBOTG_NXT,
MX31_PIN_USBOTG_STP__USBOTG_STP,
/*Keyboard*/
MX31_PIN_KEY_ROW0_KEY_ROW0,
MX31_PIN_KEY_ROW1_KEY_ROW1,
MX31_PIN_KEY_ROW2_KEY_ROW2,
MX31_PIN_KEY_COL0_KEY_COL0,
MX31_PIN_KEY_COL1_KEY_COL1,
MX31_PIN_KEY_COL2_KEY_COL2,
MX31_PIN_KEY_COL3_KEY_COL3,
};
/*
* Matrix keyboard
*/
static const uint32_t mx31_3ds_keymap[] = {
KEY(0, 0, KEY_UP),
KEY(0, 1, KEY_DOWN),
KEY(1, 0, KEY_RIGHT),
KEY(1, 1, KEY_LEFT),
KEY(1, 2, KEY_ENTER),
KEY(2, 0, KEY_F6),
KEY(2, 1, KEY_F8),
KEY(2, 2, KEY_F9),
KEY(2, 3, KEY_F10),
};
static struct matrix_keymap_data mx31_3ds_keymap_data = {
.keymap = mx31_3ds_keymap,
.keymap_size = ARRAY_SIZE(mx31_3ds_keymap),
};
/* Regulators */
@ -126,6 +173,41 @@ static struct mxc_nand_platform_data imx31_3ds_nand_flash_pdata = {
#endif
};
/*
* USB OTG
*/
#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
#define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
static void mx31_3ds_usbotg_init(void)
{
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
gpio_request(USBOTG_RST_B, "otgusb-reset");
gpio_direction_output(USBOTG_RST_B, 0);
mdelay(1);
gpio_set_value(USBOTG_RST_B, 1);
}
static struct fsl_usb2_platform_data usbotg_pdata = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_ULPI,
};
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
@ -315,6 +397,11 @@ static void __init mxc_board_init(void)
spi_register_board_info(mx31_3ds_spi_devs,
ARRAY_SIZE(mx31_3ds_spi_devs));
mxc_register_device(&imx_kpp_device, &mx31_3ds_keymap_data);
mx31_3ds_usbotg_init();
mxc_register_device(&mxc_otg_udc_device, &usbotg_pdata);
if (!mx31_3ds_init_expio())
platform_device_register(&smsc911x_device);
}

145
arch/arm/mach-mx3/mach-mx31lilly.c
View file

@ -27,12 +27,15 @@
#include <linux/types.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/smsc911x.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/spi.h>
#include <linux/mfd/mc13783.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -44,6 +47,8 @@
#include <mach/iomux-mx3.h>
#include <mach/board-mx31lilly.h>
#include <mach/spi.h>
#include <mach/mxc_ehci.h>
#include <mach/ulpi.h>
#include "devices.h"
@ -108,6 +113,137 @@ static struct platform_device physmap_flash_device = {
.num_resources = 1,
};
/* USB */
#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
static int usbotg_init(struct platform_device *pdev)
{
unsigned int pins[] = {
MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
MX31_PIN_USBOTG_CLK__USBOTG_CLK,
MX31_PIN_USBOTG_DIR__USBOTG_DIR,
MX31_PIN_USBOTG_NXT__USBOTG_NXT,
MX31_PIN_USBOTG_STP__USBOTG_STP,
};
mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB OTG");
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
mxc_iomux_set_gpr(MUX_PGP_USB_4WIRE, true);
mxc_iomux_set_gpr(MUX_PGP_USB_COMMON, true);
/* chip select */
mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE2, IOMUX_CONFIG_GPIO),
"USBOTG_CS");
gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE2), "USBH1 CS");
gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE2), 0);
return 0;
}
static int usbh1_init(struct platform_device *pdev)
{
int pins[] = {
MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
MX31_PIN_CSPI1_MISO__USBH1_RXDP,
MX31_PIN_CSPI1_SS0__USBH1_TXDM,
MX31_PIN_CSPI1_SS1__USBH1_TXDP,
MX31_PIN_CSPI1_SS2__USBH1_RCV,
MX31_PIN_CSPI1_SCLK__USBH1_OEB,
MX31_PIN_CSPI1_SPI_RDY__USBH1_FS,
};
mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1");
mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
return 0;
}
static int usbh2_init(struct platform_device *pdev)
{
int pins[] = {
MX31_PIN_USBH2_DATA0__USBH2_DATA0,
MX31_PIN_USBH2_DATA1__USBH2_DATA1,
MX31_PIN_USBH2_CLK__USBH2_CLK,
MX31_PIN_USBH2_DIR__USBH2_DIR,
MX31_PIN_USBH2_NXT__USBH2_NXT,
MX31_PIN_USBH2_STP__USBH2_STP,
};
mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2");
mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
mxc_iomux_set_gpr(MUX_PGP_UH2, true);
/* chip select */
mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO),
"USBH2_CS");
gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS");
gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0);
return 0;
}
static struct mxc_usbh_platform_data usbotg_pdata = {
.init = usbotg_init,
.portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
.flags = MXC_EHCI_POWER_PINS_ENABLED,
};
static struct mxc_usbh_platform_data usbh1_pdata = {
.init = usbh1_init,
.portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
.flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI,
};
static struct mxc_usbh_platform_data usbh2_pdata = {
.init = usbh2_init,
.portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
.flags = MXC_EHCI_POWER_PINS_ENABLED,
};
static struct platform_device *devices[] __initdata = {
&smsc91x_device,
&physmap_flash_device,
@ -183,6 +319,15 @@ static void __init mx31lilly_board_init(void)
spi_register_board_info(&mc13783_dev, 1);
platform_add_devices(devices, ARRAY_SIZE(devices));
/* USB */
usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
mxc_register_device(&mxc_usbh1, &usbh1_pdata);
mxc_register_device(&mxc_usbh2, &usbh2_pdata);
}
static void __init mx31lilly_timer_init(void)

155
arch/arm/mach-mx3/mach-mx31moboard.c
View file

@ -18,7 +18,6 @@
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/fsl_devices.h>
#include <linux/gfp.h>
#include <linux/gpio.h>
#include <linux/init.h>
@ -221,11 +220,54 @@ static struct mc13783_regulator_init_data moboard_regulators[] = {
},
};
static struct mc13783_led_platform_data moboard_led[] = {
{
.id = MC13783_LED_R1,
.name = "coreboard-led-4:red",
.max_current = 2,
},
{
.id = MC13783_LED_G1,
.name = "coreboard-led-4:green",
.max_current = 2,
},
{
.id = MC13783_LED_B1,
.name = "coreboard-led-4:blue",
.max_current = 2,
},
{
.id = MC13783_LED_R2,
.name = "coreboard-led-5:red",
.max_current = 3,
},
{
.id = MC13783_LED_G2,
.name = "coreboard-led-5:green",
.max_current = 3,
},
{
.id = MC13783_LED_B2,
.name = "coreboard-led-5:blue",
.max_current = 3,
},
};
static struct mc13783_leds_platform_data moboard_leds = {
.num_leds = ARRAY_SIZE(moboard_led),
.led = moboard_led,
.flags = MC13783_LED_SLEWLIMTC,
.abmode = MC13783_LED_AB_DISABLED,
.tc1_period = MC13783_LED_PERIOD_10MS,
.tc2_period = MC13783_LED_PERIOD_10MS,
};
static struct mc13783_platform_data moboard_pmic = {
.regulators = moboard_regulators,
.num_regulators = ARRAY_SIZE(moboard_regulators),
.leds = &moboard_leds,
.flags = MC13783_USE_REGULATOR | MC13783_USE_RTC |
MC13783_USE_ADC,
MC13783_USE_ADC | MC13783_USE_LED,
};
static struct spi_board_info moboard_spi_board_info[] __initdata = {
@ -306,84 +348,56 @@ static struct imxmmc_platform_data sdhc1_pdata = {
* this pin is dedicated for all mx31moboard systems, so we do it here
*/
#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
PAD_CTL_ODE_CMOS)
#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
static void usb_xcvr_reset(void)
{
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
mxc_iomux_set_gpr(MUX_PGP_UH2, true);
mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
gpio_request(OTG_EN_B, "usb-udc-en");
gpio_direction_output(OTG_EN_B, 0);
gpio_request(USBH2_EN_B, "usbh2-en");
gpio_direction_output(USBH2_EN_B, 0);
gpio_request(USB_RESET_B, "usb-reset");
gpio_direction_output(USB_RESET_B, 0);
mdelay(1);
gpio_set_value(USB_RESET_B, 1);
mdelay(1);
}
#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
static void moboard_usbotg_init(void)
{
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
gpio_request(OTG_EN_B, "usb-udc-en");
gpio_direction_output(OTG_EN_B, 0);
}
static struct fsl_usb2_platform_data usb_pdata = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_ULPI,
};
#if defined(CONFIG_USB_ULPI)
#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
static int moboard_usbh2_hw_init(struct platform_device *pdev)
{
int ret;
mxc_iomux_set_gpr(MUX_PGP_UH2, true);
mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
ret = gpio_request(USBH2_EN_B, "usbh2-en");
if (ret)
return ret;
gpio_direction_output(USBH2_EN_B, 0);
return 0;
}
static int moboard_usbh2_hw_exit(struct platform_device *pdev)
{
gpio_free(USBH2_EN_B);
return 0;
}
static struct mxc_usbh_platform_data usbh2_pdata = {
.init = moboard_usbh2_hw_init,
.exit = moboard_usbh2_hw_exit,
.portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
.flags = MXC_EHCI_POWER_PINS_ENABLED,
};
@ -508,8 +522,6 @@ static void __init mxc_board_init(void)
usb_xcvr_reset();
moboard_usbotg_init();
mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
moboard_usbh2_init();
switch (mx31moboard_baseboard) {
@ -522,7 +534,8 @@ static void __init mxc_board_init(void)
mx31moboard_marxbot_init();
break;
case MX31SMARTBOT:
mx31moboard_smartbot_init();
case MX31EYEBOT:
mx31moboard_smartbot_init(mx31moboard_baseboard);
break;
default:
printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",

1
arch/arm/mach-mx3/mach-pcm037.c
View file

@ -449,6 +449,7 @@ static int __init pcm037_camera_alloc_dma(const size_t buf_size)
static struct platform_device *devices[] __initdata = {
&pcm037_flash,
&pcm037_sram_device,
&imx_wdt_device0,
&pcm037_mt9t031,
&pcm037_mt9v022,
};

1
arch/arm/mach-mx3/mach-pcm043.c
View file

@ -150,6 +150,7 @@ static struct i2c_board_info pcm043_i2c_devices[] = {
static struct platform_device *devices[] __initdata = {
&pcm043_flash,
&mxc_fec_device,
&imx_wdt_device0,
};
static struct pad_desc pcm043_pads[] = {

1
arch/arm/mach-mx3/mx31lite-db.c
View file

@ -206,5 +206,6 @@ void __init mx31lite_db_init(void)
mxc_register_device(&mxc_spi_device0, &spi0_pdata);
platform_device_register(&litekit_led_device);
mxc_register_device(&imx_wdt_device0, NULL);
mxc_register_device(&imx_rtc_device0, NULL);
}

9
arch/arm/mach-mx3/mx31moboard-devboard.c
View file

@ -22,6 +22,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/fsl_devices.h>
#include <linux/usb/otg.h>
@ -213,6 +214,12 @@ static int __init devboard_usbh1_init(void)
return mxc_register_device(&mxc_usbh1, &usbh1_pdata);
}
static struct fsl_usb2_platform_data usb_pdata = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_ULPI,
};
/*
* system init for baseboard usage. Will be called by mx31moboard init.
*/
@ -229,5 +236,7 @@ void __init mx31moboard_devboard_init(void)
devboard_init_sel_gpios();
mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
devboard_usbh1_init();
}

8
arch/arm/mach-mx3/mx31moboard-marxbot.c
View file

@ -25,6 +25,7 @@
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/fsl_devices.h>
#include <linux/usb/otg.h>
@ -329,6 +330,11 @@ static int __init marxbot_usbh1_init(void)
return mxc_register_device(&mxc_usbh1, &usbh1_pdata);
}
static struct fsl_usb2_platform_data usb_pdata = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_ULPI,
};
/*
* system init for baseboard usage. Will be called by mx31moboard init.
*/
@ -356,5 +362,7 @@ void __init mx31moboard_marxbot_init(void)
gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_LCS0));
gpio_export(IOMUX_TO_GPIO(MX31_PIN_LCS0), false);
mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
marxbot_usbh1_init();
}

53
arch/arm/mach-mx3/mx31moboard-smartbot.c
View file

@ -23,11 +23,18 @@
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/fsl_devices.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/board-mx31moboard.h>
#include <mach/mxc_ehci.h>
#include <mach/ulpi.h>
#include <media/soc_camera.h>
@ -116,10 +123,33 @@ static int __init smartbot_cam_init(void)
return 0;
}
static struct fsl_usb2_platform_data usb_pdata = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_ULPI,
};
#if defined(CONFIG_USB_ULPI)
static struct mxc_usbh_platform_data otg_host_pdata = {
.portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
.flags = MXC_EHCI_POWER_PINS_ENABLED,
};
static int __init smartbot_otg_host_init(void)
{
otg_host_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
return mxc_register_device(&mxc_otg_host, &otg_host_pdata);
}
#else
static inline int smartbot_otg_host_init(void) { return 0; }
#endif
#define POWER_EN IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
#define DSPIC_RST_B IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
#define TRSLAT_SRC_CHOICE IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
static void smartbot_resets_init(void)
{
@ -138,15 +168,15 @@ static void smartbot_resets_init(void)
gpio_export(TRSLAT_RST_B, false);
}
if (!gpio_request(SEL3, "sel3")) {
gpio_direction_input(SEL3);
gpio_export(SEL3, true);
if (!gpio_request(TRSLAT_SRC_CHOICE, "translator-src-choice")) {
gpio_direction_output(TRSLAT_SRC_CHOICE, 0);
gpio_export(TRSLAT_SRC_CHOICE, false);
}
}
/*
* system init for baseboard usage. Will be called by mx31moboard init.
*/
void __init mx31moboard_smartbot_init(void)
void __init mx31moboard_smartbot_init(int board)
{
printk(KERN_INFO "Initializing mx31smartbot peripherals\n");
@ -155,6 +185,19 @@ void __init mx31moboard_smartbot_init(void)
mxc_register_device(&mxc_uart_device1, &uart_pdata);
switch (board) {
case MX31SMARTBOT:
mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
break;
case MX31EYEBOT:
smartbot_otg_host_init();
break;
default:
printk(KERN_WARNING "Unknown board %d, USB OTG not initialized",
board);
}
smartbot_resets_init();
smartbot_cam_init();

167
arch/arm/mach-mx5/board-mx51_babbage.c
View file

@ -12,11 +12,16 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/fsl_devices.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx51.h>
#include <mach/mxc_ehci.h>
#include <asm/irq.h>
#include <asm/setup.h>
@ -26,6 +31,18 @@
#include "devices.h"
#define BABBAGE_USB_HUB_RESET (0*32 + 7) /* GPIO_1_7 */
#define BABBAGE_USBH1_STP (0*32 + 27) /* GPIO_1_27 */
#define BABBAGE_PHY_RESET (1*32 +5) /* GPIO_2_5 */
/* USB_CTRL_1 */
#define MX51_USB_CTRL_1_OFFSET 0x10
#define MX51_USB_CTRL_UH1_EXT_CLK_EN (1 << 25)
#define MX51_USB_PLLDIV_12_MHZ 0x00
#define MX51_USB_PLL_DIV_19_2_MHZ 0x01
#define MX51_USB_PLL_DIV_24_MHZ 0x02
static struct platform_device *devices[] __initdata = {
&mxc_fec_device,
};
@ -46,6 +63,22 @@ static struct pad_desc mx51babbage_pads[] = {
MX51_PAD_EIM_D26__UART3_TXD,
MX51_PAD_EIM_D27__UART3_RTS,
MX51_PAD_EIM_D24__UART3_CTS,
/* USB HOST1 */
MX51_PAD_USBH1_CLK__USBH1_CLK,
MX51_PAD_USBH1_DIR__USBH1_DIR,
MX51_PAD_USBH1_NXT__USBH1_NXT,
MX51_PAD_USBH1_DATA0__USBH1_DATA0,
MX51_PAD_USBH1_DATA1__USBH1_DATA1,
MX51_PAD_USBH1_DATA2__USBH1_DATA2,
MX51_PAD_USBH1_DATA3__USBH1_DATA3,
MX51_PAD_USBH1_DATA4__USBH1_DATA4,
MX51_PAD_USBH1_DATA5__USBH1_DATA5,
MX51_PAD_USBH1_DATA6__USBH1_DATA6,
MX51_PAD_USBH1_DATA7__USBH1_DATA7,
/* USB HUB reset line*/
MX51_PAD_GPIO_1_7__GPIO1_7,
};
/* Serial ports */
@ -66,15 +99,149 @@ static inline void mxc_init_imx_uart(void)
}
#endif /* SERIAL_IMX */
static int gpio_usbh1_active(void)
{
struct pad_desc usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO_1_27;
struct pad_desc phyreset_gpio = MX51_PAD_EIM_D21__GPIO_2_5;
int ret;
/* Set USBH1_STP to GPIO and toggle it */
mxc_iomux_v3_setup_pad(&usbh1stp_gpio);
ret = gpio_request(BABBAGE_USBH1_STP, "usbh1_stp");
if (ret) {
pr_debug("failed to get MX51_PAD_USBH1_STP__GPIO_1_27: %d\n", ret);
return ret;
}
gpio_direction_output(BABBAGE_USBH1_STP, 0);
gpio_set_value(BABBAGE_USBH1_STP, 1);
msleep(100);
gpio_free(BABBAGE_USBH1_STP);
/* De-assert USB PHY RESETB */
mxc_iomux_v3_setup_pad(&phyreset_gpio);
ret = gpio_request(BABBAGE_PHY_RESET, "phy_reset");
if (ret) {
pr_debug("failed to get MX51_PAD_EIM_D21__GPIO_2_5: %d\n", ret);
return ret;
}
gpio_direction_output(BABBAGE_PHY_RESET, 1);
return 0;
}
static inline void babbage_usbhub_reset(void)
{
int ret;
/* Bring USB hub out of reset */
ret = gpio_request(BABBAGE_USB_HUB_RESET, "GPIO1_7");
if (ret) {
printk(KERN_ERR"failed to get GPIO_USB_HUB_RESET: %d\n", ret);
return;
}
gpio_direction_output(BABBAGE_USB_HUB_RESET, 0);
/* USB HUB RESET - De-assert USB HUB RESET_N */
msleep(1);
gpio_set_value(BABBAGE_USB_HUB_RESET, 0);
msleep(1);
gpio_set_value(BABBAGE_USB_HUB_RESET, 1);
}
/* This function is board specific as the bit mask for the plldiv will also
be different for other Freescale SoCs, thus a common bitmask is not
possible and cannot get place in /plat-mxc/ehci.c.*/
static int initialize_otg_port(struct platform_device *pdev)
{
u32 v;
void __iomem *usb_base;
u32 usbother_base;
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
/* Set the PHY clock to 19.2MHz */
v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
v |= MX51_USB_PLL_DIV_19_2_MHZ;
__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
iounmap(usb_base);
return 0;
}
static int initialize_usbh1_port(struct platform_device *pdev)
{
u32 v;
void __iomem *usb_base;
u32 usbother_base;
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
/* The clock for the USBH1 ULPI port will come externally from the PHY. */
v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET);
__raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN, usbother_base + MX51_USB_CTRL_1_OFFSET);
iounmap(usb_base);
return 0;
}
static struct mxc_usbh_platform_data dr_utmi_config = {
.init = initialize_otg_port,
.portsc = MXC_EHCI_UTMI_16BIT,
.flags = MXC_EHCI_INTERNAL_PHY,
};
static struct fsl_usb2_platform_data usb_pdata = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_UTMI_WIDE,
};
static struct mxc_usbh_platform_data usbh1_config = {
.init = initialize_usbh1_port,
.portsc = MXC_EHCI_MODE_ULPI,
.flags = (MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_ITC_NO_THRESHOLD),
};
static int otg_mode_host;
static int __init babbage_otg_mode(char *options)
{
if (!strcmp(options, "host"))
otg_mode_host = 1;
else if (!strcmp(options, "device"))
otg_mode_host = 0;
else
pr_info("otg_mode neither \"host\" nor \"device\". "
"Defaulting to device\n");
return 0;
}
__setup("otg_mode=", babbage_otg_mode);
/*
* Board specific initialization.
*/
static void __init mxc_board_init(void)
{
struct pad_desc usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
ARRAY_SIZE(mx51babbage_pads));
mxc_init_imx_uart();
platform_add_devices(devices, ARRAY_SIZE(devices));
if (otg_mode_host)
mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
else {
initialize_otg_port(NULL);
mxc_register_device(&mxc_usbdr_udc_device, &usb_pdata);
}
gpio_usbh1_active();
mxc_register_device(&mxc_usbh1_device, &usbh1_config);
/* setback USBH1_STP to be function */
mxc_iomux_v3_setup_pad(&usbh1stp);
babbage_usbhub_reset();
}
static void __init mx51_babbage_timer_init(void)

45
arch/arm/mach-mx5/clock-mx51.c
View file

@ -37,6 +37,7 @@ static struct clk lp_apm_clk;
static struct clk periph_apm_clk;
static struct clk ahb_clk;
static struct clk ipg_clk;
static struct clk usboh3_clk;
#define MAX_DPLL_WAIT_TRIES 1000 /* 1000 * udelay(1) = 1ms */
@ -570,6 +571,35 @@ static int _clk_uart_set_parent(struct clk *clk, struct clk *parent)
return 0;
}
static unsigned long clk_usboh3_get_rate(struct clk *clk)
{
u32 reg, prediv, podf;
unsigned long parent_rate;
parent_rate = clk_get_rate(clk->parent);
reg = __raw_readl(MXC_CCM_CSCDR1);
prediv = ((reg & MXC_CCM_CSCDR1_USBOH3_CLK_PRED_MASK) >>
MXC_CCM_CSCDR1_USBOH3_CLK_PRED_OFFSET) + 1;
podf = ((reg & MXC_CCM_CSCDR1_USBOH3_CLK_PODF_MASK) >>
MXC_CCM_CSCDR1_USBOH3_CLK_PODF_OFFSET) + 1;
return parent_rate / (prediv * podf);
}
static int _clk_usboh3_set_parent(struct clk *clk, struct clk *parent)
{
u32 reg, mux;
mux = _get_mux(parent, &pll1_sw_clk, &pll2_sw_clk, &pll3_sw_clk,
&lp_apm_clk);
reg = __raw_readl(MXC_CCM_CSCMR1) & ~MXC_CCM_CSCMR1_USBOH3_CLK_SEL_MASK;
reg |= mux << MXC_CCM_CSCMR1_USBOH3_CLK_SEL_OFFSET;
__raw_writel(reg, MXC_CCM_CSCMR1);
return 0;
}
static unsigned long get_high_reference_clock_rate(struct clk *clk)
{
return external_high_reference;
@ -691,6 +721,12 @@ static struct clk uart_root_clk = {
.set_parent = _clk_uart_set_parent,
};
static struct clk usboh3_clk = {
.parent = &pll2_sw_clk,
.get_rate = clk_usboh3_get_rate,
.set_parent = _clk_usboh3_set_parent,
};
static struct clk ahb_max_clk = {
.parent = &ahb_clk,
.enable_reg = MXC_CCM_CCGR0,
@ -779,6 +815,12 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
_REGISTER_CLOCK(NULL, "gpt", gpt_clk)
_REGISTER_CLOCK("fec.0", NULL, fec_clk)
_REGISTER_CLOCK("mxc-ehci.0", "usb", usboh3_clk)
_REGISTER_CLOCK("mxc-ehci.0", "usb_ahb", ahb_clk)
_REGISTER_CLOCK("mxc-ehci.1", "usb", usboh3_clk)
_REGISTER_CLOCK("mxc-ehci.1", "usb_ahb", ahb_clk)
_REGISTER_CLOCK("fsl-usb2-udc", "usb", usboh3_clk)
_REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", ahb_clk)
};
static void clk_tree_init(void)
@ -819,6 +861,9 @@ int __init mx51_clocks_init(unsigned long ckil, unsigned long osc,
clk_enable(&cpu_clk);
clk_enable(&main_bus_clk);
/* set the usboh3_clk parent to pll2_sw_clk */
clk_set_parent(&usboh3_clk, &pll2_sw_clk);
/* System timer */
mxc_timer_init(&gpt_clk, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR),
MX51_MXC_INT_GPT);

109
arch/arm/mach-mx5/devices.c
View file

@ -1,5 +1,6 @@
/*
* Copyright 2009 Amit Kucheria <amit.kucheria@canonical.com>
* Copyright (C) 2010 Freescale Semiconductor, Inc.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
@ -10,8 +11,11 @@
*/
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>
#include <mach/irqs.h>
static struct resource uart0[] = {
{
@ -89,8 +93,109 @@ struct platform_device mxc_fec_device = {
.resource = mxc_fec_resources,
};
/* Dummy definition to allow compiling in AVIC and TZIC simultaneously */
static u64 usb_dma_mask = DMA_BIT_MASK(32);
static struct resource usbotg_resources[] = {
{
.start = MX51_OTG_BASE_ADDR,
.end = MX51_OTG_BASE_ADDR + 0x1ff,
.flags = IORESOURCE_MEM,
},
{
.start = MX51_MXC_INT_USB_OTG,
.flags = IORESOURCE_IRQ,
},
};
/* OTG gadget device */
struct platform_device mxc_usbdr_udc_device = {
.name = "fsl-usb2-udc",
.id = -1,
.num_resources = ARRAY_SIZE(usbotg_resources),
.resource = usbotg_resources,
.dev = {
.dma_mask = &usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
struct platform_device mxc_usbdr_host_device = {
.name = "mxc-ehci",
.id = 0,
.num_resources = ARRAY_SIZE(usbotg_resources),
.resource = usbotg_resources,
.dev = {
.dma_mask = &usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct resource usbh1_resources[] = {
{
.start = MX51_OTG_BASE_ADDR + 0x200,
.end = MX51_OTG_BASE_ADDR + 0x200 + 0x1ff,
.flags = IORESOURCE_MEM,
},
{
.start = MX51_MXC_INT_USB_H1,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_usbh1_device = {
.name = "mxc-ehci",
.id = 1,
.num_resources = ARRAY_SIZE(usbh1_resources),
.resource = usbh1_resources,
.dev = {
.dma_mask = &usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct resource mxc_wdt_resources[] = {
{
.start = MX51_WDOG_BASE_ADDR,
.end = MX51_WDOG_BASE_ADDR + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
};
struct platform_device mxc_wdt = {
.name = "imx2-wdt",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_wdt_resources),
.resource = mxc_wdt_resources,
};
static struct mxc_gpio_port mxc_gpio_ports[] = {
{
.chip.label = "gpio-0",
.base = MX51_IO_ADDRESS(MX51_GPIO1_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO1_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START
},
{
.chip.label = "gpio-1",
.base = MX51_IO_ADDRESS(MX51_GPIO2_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO2_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 1
},
{
.chip.label = "gpio-2",
.base = MX51_IO_ADDRESS(MX51_GPIO3_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO3_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 2
},
{
.chip.label = "gpio-3",
.base = MX51_IO_ADDRESS(MX51_GPIO4_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO4_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3
},
};
int __init mxc_register_gpios(void)
{
return 0;
return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports));
}

4
arch/arm/mach-mx5/devices.h
View file

@ -2,3 +2,7 @@ extern struct platform_device mxc_uart_device0;
extern struct platform_device mxc_uart_device1;
extern struct platform_device mxc_uart_device2;
extern struct platform_device mxc_fec_device;
extern struct platform_device mxc_usbdr_host_device;
extern struct platform_device mxc_usbh1_device;
extern struct platform_device mxc_usbdr_udc_device;
extern struct platform_device mxc_wdt;

1
arch/arm/mach-nomadik/clock.c
View file

@ -56,6 +56,7 @@ static struct clk_lookup lookups[] = {
CLK(&clk_default, "gpio.1"),
CLK(&clk_default, "gpio.2"),
CLK(&clk_default, "gpio.3"),
CLK(&clk_default, "rng"),
};
static int __init clk_init(void)

4
arch/arm/mach-omap2/board-3430sdp.c
View file

@ -137,9 +137,7 @@ static void ads7846_dev_init(void)
}
gpio_direction_input(ts_gpio);
omap_set_gpio_debounce(ts_gpio, 1);
omap_set_gpio_debounce_time(ts_gpio, 0xa);
gpio_set_debounce(ts_gpio, 310);
}
static int ads7846_get_pendown_state(void)

3
arch/arm/mach-omap2/board-ldp.c
View file

@ -209,8 +209,7 @@ static void ads7846_dev_init(void)
}
gpio_direction_input(ts_gpio);
omap_set_gpio_debounce(ts_gpio, 1);
omap_set_gpio_debounce_time(ts_gpio, 0xa);
gpio_set_debounce(ts_gpio, 310);
}
static int ads7846_get_pendown_state(void)

4
arch/arm/mach-omap2/board-omap3evm.c
View file

@ -579,9 +579,7 @@ static void ads7846_dev_init(void)
printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
gpio_direction_input(OMAP3_EVM_TS_GPIO);
omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
gpio_set_debounce(OMAP3_EVM_TS_GPIO, 310);
}
static int ads7846_get_pendown_state(void)

4
arch/arm/mach-omap2/board-omap3pandora.c
View file

@ -130,8 +130,8 @@ static struct platform_device pandora_keys_gpio = {
static void __init pandora_keys_gpio_init(void)
{
/* set debounce time for GPIO banks 4 and 6 */
omap_set_gpio_debounce_time(32 * 3, GPIO_DEBOUNCE_TIME);
omap_set_gpio_debounce_time(32 * 5, GPIO_DEBOUNCE_TIME);
gpio_set_debounce(32 * 3, GPIO_DEBOUNCE_TIME);
gpio_set_debounce(32 * 5, GPIO_DEBOUNCE_TIME);
}
static int board_keymap[] = {

3
arch/arm/mach-omap2/board-omap3touchbook.c
View file

@ -328,8 +328,7 @@ static void __init omap3_ads7846_init(void)
}
gpio_direction_input(OMAP3_TS_GPIO);
omap_set_gpio_debounce(OMAP3_TS_GPIO, 1);
omap_set_gpio_debounce_time(OMAP3_TS_GPIO, 0xa);
gpio_set_debounce(OMAP3_TS_GPIO, 310);
}
static struct ads7846_platform_data ads7846_config = {

22
arch/arm/mach-orion5x/dns323-setup.c
View file

@ -240,22 +240,23 @@ error_fail:
#define ORION_BLINK_HALF_PERIOD 100 /* ms */
static int dns323_gpio_blink_set(unsigned gpio,
static int dns323_gpio_blink_set(unsigned gpio, int state,
unsigned long *delay_on, unsigned long *delay_off)
{
static int value = 0;
if (!*delay_on && !*delay_off)
if (delay_on && delay_off && !*delay_on && !*delay_off)
*delay_on = *delay_off = ORION_BLINK_HALF_PERIOD;
if (ORION_BLINK_HALF_PERIOD == *delay_on
&& ORION_BLINK_HALF_PERIOD == *delay_off) {
value = !value;
orion_gpio_set_blink(gpio, value);
return 0;
switch(state) {
case GPIO_LED_NO_BLINK_LOW:
case GPIO_LED_NO_BLINK_HIGH:
orion_gpio_set_blink(gpio, 0);
gpio_set_value(gpio, state);
break;
case GPIO_LED_BLINK:
orion_gpio_set_blink(gpio, 1);
}
return -EINVAL;
return 0;
}
static struct gpio_led dns323_leds[] = {
@ -263,6 +264,7 @@ static struct gpio_led dns323_leds[] = {
.name = "power:blue",
.gpio = DNS323_GPIO_LED_POWER2,
.default_trigger = "timer",
.active_low = 1,
}, {
.name = "right:amber",
.gpio = DNS323_GPIO_LED_RIGHT_AMBER,

1
arch/arm/mach-s3c2410/include/mach/map.h
View file

@ -114,6 +114,7 @@
#define S3C_PA_USBHOST S3C2410_PA_USBHOST
#define S3C_PA_HSMMC0 S3C2443_PA_HSMMC
#define S3C_PA_HSMMC1 S3C2416_PA_HSMMC0
#define S3C_PA_WDT S3C2410_PA_WATCHDOG
#define S3C_PA_NAND S3C24XX_PA_NAND
#endif /* __ASM_ARCH_MAP_H */

76
arch/arm/mach-s3c2440/mach-gta02.c
View file

@ -49,7 +49,6 @@
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/backlight.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/pcf50633/core.h>
@ -57,6 +56,7 @@
#include <linux/mfd/pcf50633/adc.h>
#include <linux/mfd/pcf50633/gpio.h>
#include <linux/mfd/pcf50633/pmic.h>
#include <linux/mfd/pcf50633/backlight.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@ -254,6 +254,12 @@ static char *gta02_batteries[] = {
"battery",
};
static struct pcf50633_bl_platform_data gta02_backlight_data = {
.default_brightness = 0x3f,
.default_brightness_limit = 0,
.ramp_time = 5,
};
struct pcf50633_platform_data gta02_pcf_pdata = {
.resumers = {
[0] = PCF50633_INT1_USBINS |
@ -271,6 +277,8 @@ struct pcf50633_platform_data gta02_pcf_pdata = {
.charger_reference_current_ma = 1000,
.backlight_data = &gta02_backlight_data,
.reg_init_data = {
[PCF50633_REGULATOR_AUTO] = {
.constraints = {
@ -478,71 +486,6 @@ static struct s3c2410_udc_mach_info gta02_udc_cfg = {
};
static void gta02_bl_set_intensity(int intensity)
{
struct pcf50633 *pcf = gta02_pcf;
int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
/* We map 8-bit intensity to 6-bit intensity in hardware. */
intensity >>= 2;
/*
* This can happen during, eg, print of panic on blanked console,
* but we can't service i2c without interrupts active, so abort.
*/
if (in_atomic()) {
printk(KERN_ERR "gta02_bl_set_intensity called while atomic\n");
return;
}
old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
if (intensity == old_intensity)
return;
/* We can't do this anywhere else. */
pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
old_intensity = 0;
/*
* The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
* if seen, you have to re-enable the LED unit.
*/
if (!intensity || !old_intensity)
pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
/* Illegal to set LEDOUT to 0. */
if (!intensity)
pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, 2);
else
pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
intensity);
if (intensity)
pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
}
static struct generic_bl_info gta02_bl_info = {
.name = "gta02-bl",
.max_intensity = 0xff,
.default_intensity = 0xff,
.set_bl_intensity = gta02_bl_set_intensity,
};
static struct platform_device gta02_bl_dev = {
.name = "generic-bl",
.id = 1,
.dev = {
.platform_data = &gta02_bl_info,
},
};
/* USB */
static struct s3c2410_hcd_info gta02_usb_info __initdata = {
.port[0] = {
@ -579,7 +522,6 @@ static struct platform_device *gta02_devices[] __initdata = {
/* These guys DO need to be children of PMU. */
static struct platform_device *gta02_devices_pmu_children[] = {
&gta02_bl_dev,
};

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