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Benjamin Herrenschmidt 2009-03-11 17:10:07 +11:00
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1
CREDITS
View File

@ -2166,7 +2166,6 @@ D: Initial implementation of VC's, pty's and select()
N: Pavel Machek
E: pavel@ucw.cz
E: pavel@suse.cz
D: Softcursor for vga, hypertech cdrom support, vcsa bugfix, nbd
D: sun4/330 port, capabilities for elf, speedup for rm on ext2, USB,
D: work on suspend-to-ram/disk, killing duplicates from ioctl32

43
Documentation/ABI/testing/sysfs-bus-pci
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@ -1,3 +1,46 @@
What: /sys/bus/pci/drivers/.../bind
Date: December 2003
Contact: linux-pci@vger.kernel.org
Description:
Writing a device location to this file will cause
the driver to attempt to bind to the device found at
this location. This is useful for overriding default
bindings. The format for the location is: DDDD:BB:DD.F.
That is Domain:Bus:Device.Function and is the same as
found in /sys/bus/pci/devices/. For example:
# echo 0000:00:19.0 > /sys/bus/pci/drivers/foo/bind
(Note: kernels before 2.6.28 may require echo -n).
What: /sys/bus/pci/drivers/.../unbind
Date: December 2003
Contact: linux-pci@vger.kernel.org
Description:
Writing a device location to this file will cause the
driver to attempt to unbind from the device found at
this location. This may be useful when overriding default
bindings. The format for the location is: DDDD:BB:DD.F.
That is Domain:Bus:Device.Function and is the same as
found in /sys/bus/pci/devices/. For example:
# echo 0000:00:19.0 > /sys/bus/pci/drivers/foo/unbind
(Note: kernels before 2.6.28 may require echo -n).
What: /sys/bus/pci/drivers/.../new_id
Date: December 2003
Contact: linux-pci@vger.kernel.org
Description:
Writing a device ID to this file will attempt to
dynamically add a new device ID to a PCI device driver.
This may allow the driver to support more hardware than
was included in the driver's static device ID support
table at compile time. The format for the device ID is:
VVVV DDDD SVVV SDDD CCCC MMMM PPPP. That is Vendor ID,
Device ID, Subsystem Vendor ID, Subsystem Device ID,
Class, Class Mask, and Private Driver Data. The Vendor ID
and Device ID fields are required, the rest are optional.
Upon successfully adding an ID, the driver will probe
for the device and attempt to bind to it. For example:
# echo "8086 10f5" > /sys/bus/pci/drivers/foo/new_id
What: /sys/bus/pci/devices/.../vpd
Date: February 2008
Contact: Ben Hutchings <bhutchings@solarflare.com>

2
Documentation/ABI/testing/sysfs-firmware-memmap
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@ -1,6 +1,6 @@
What: /sys/firmware/memmap/
Date: June 2008
Contact: Bernhard Walle <bwalle@suse.de>
Contact: Bernhard Walle <bernhard.walle@gmx.de>
Description:
On all platforms, the firmware provides a memory map which the
kernel reads. The resources from that memory map are registered

2
Documentation/DocBook/Makefile
View File

@ -6,7 +6,7 @@
# To add a new book the only step required is to add the book to the
# list of DOCBOOKS.
DOCBOOKS := z8530book.xml mcabook.xml \
DOCBOOKS := z8530book.xml mcabook.xml device-drivers.xml \
kernel-hacking.xml kernel-locking.xml deviceiobook.xml \
procfs-guide.xml writing_usb_driver.xml networking.xml \
kernel-api.xml filesystems.xml lsm.xml usb.xml kgdb.xml \

418
Documentation/DocBook/device-drivers.tmpl Normal file
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@ -0,0 +1,418 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
<book id="LinuxDriversAPI">
<bookinfo>
<title>Linux Device Drivers</title>
<legalnotice>
<para>
This documentation is free software; you can redistribute
it and/or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later
version.
</para>
<para>
This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
</para>
<para>
You should have received a copy of the GNU General Public
License along with this program; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA 02111-1307 USA
</para>
<para>
For more details see the file COPYING in the source
distribution of Linux.
</para>
</legalnotice>
</bookinfo>
<toc></toc>
<chapter id="Basics">
<title>Driver Basics</title>
<sect1><title>Driver Entry and Exit points</title>
!Iinclude/linux/init.h
</sect1>
<sect1><title>Atomic and pointer manipulation</title>
!Iarch/x86/include/asm/atomic_32.h
!Iarch/x86/include/asm/unaligned.h
</sect1>
<sect1><title>Delaying, scheduling, and timer routines</title>
!Iinclude/linux/sched.h
!Ekernel/sched.c
!Ekernel/timer.c
</sect1>
<sect1><title>High-resolution timers</title>
!Iinclude/linux/ktime.h
!Iinclude/linux/hrtimer.h
!Ekernel/hrtimer.c
</sect1>
<sect1><title>Workqueues and Kevents</title>
!Ekernel/workqueue.c
</sect1>
<sect1><title>Internal Functions</title>
!Ikernel/exit.c
!Ikernel/signal.c
!Iinclude/linux/kthread.h
!Ekernel/kthread.c
</sect1>
<sect1><title>Kernel objects manipulation</title>
<!--
X!Iinclude/linux/kobject.h
-->
!Elib/kobject.c
</sect1>
<sect1><title>Kernel utility functions</title>
!Iinclude/linux/kernel.h
!Ekernel/printk.c
!Ekernel/panic.c
!Ekernel/sys.c
!Ekernel/rcupdate.c
</sect1>
<sect1><title>Device Resource Management</title>
!Edrivers/base/devres.c
</sect1>
</chapter>
<chapter id="devdrivers">
<title>Device drivers infrastructure</title>
<sect1><title>Device Drivers Base</title>
<!--
X!Iinclude/linux/device.h
-->
!Edrivers/base/driver.c
!Edrivers/base/core.c
!Edrivers/base/class.c
!Edrivers/base/firmware_class.c
!Edrivers/base/transport_class.c
<!-- Cannot be included, because
attribute_container_add_class_device_adapter
and attribute_container_classdev_to_container
exceed allowed 44 characters maximum
X!Edrivers/base/attribute_container.c
-->
!Edrivers/base/sys.c
<!--
X!Edrivers/base/interface.c
-->
!Edrivers/base/platform.c
!Edrivers/base/bus.c
</sect1>
<sect1><title>Device Drivers Power Management</title>
!Edrivers/base/power/main.c
</sect1>
<sect1><title>Device Drivers ACPI Support</title>
<!-- Internal functions only
X!Edrivers/acpi/sleep/main.c
X!Edrivers/acpi/sleep/wakeup.c
X!Edrivers/acpi/motherboard.c
X!Edrivers/acpi/bus.c
-->
!Edrivers/acpi/scan.c
!Idrivers/acpi/scan.c
<!-- No correct structured comments
X!Edrivers/acpi/pci_bind.c
-->
</sect1>
<sect1><title>Device drivers PnP support</title>
!Idrivers/pnp/core.c
<!-- No correct structured comments
X!Edrivers/pnp/system.c
-->
!Edrivers/pnp/card.c
!Idrivers/pnp/driver.c
!Edrivers/pnp/manager.c
!Edrivers/pnp/support.c
</sect1>
<sect1><title>Userspace IO devices</title>
!Edrivers/uio/uio.c
!Iinclude/linux/uio_driver.h
</sect1>
</chapter>
<chapter id="parportdev">
<title>Parallel Port Devices</title>
!Iinclude/linux/parport.h
!Edrivers/parport/ieee1284.c
!Edrivers/parport/share.c
!Idrivers/parport/daisy.c
</chapter>
<chapter id="message_devices">
<title>Message-based devices</title>
<sect1><title>Fusion message devices</title>
!Edrivers/message/fusion/mptbase.c
!Idrivers/message/fusion/mptbase.c
!Edrivers/message/fusion/mptscsih.c
!Idrivers/message/fusion/mptscsih.c
!Idrivers/message/fusion/mptctl.c
!Idrivers/message/fusion/mptspi.c
!Idrivers/message/fusion/mptfc.c
!Idrivers/message/fusion/mptlan.c
</sect1>
<sect1><title>I2O message devices</title>
!Iinclude/linux/i2o.h
!Idrivers/message/i2o/core.h
!Edrivers/message/i2o/iop.c
!Idrivers/message/i2o/iop.c
!Idrivers/message/i2o/config-osm.c
!Edrivers/message/i2o/exec-osm.c
!Idrivers/message/i2o/exec-osm.c
!Idrivers/message/i2o/bus-osm.c
!Edrivers/message/i2o/device.c
!Idrivers/message/i2o/device.c
!Idrivers/message/i2o/driver.c
!Idrivers/message/i2o/pci.c
!Idrivers/message/i2o/i2o_block.c
!Idrivers/message/i2o/i2o_scsi.c
!Idrivers/message/i2o/i2o_proc.c
</sect1>
</chapter>
<chapter id="snddev">
<title>Sound Devices</title>
!Iinclude/sound/core.h
!Esound/sound_core.c
!Iinclude/sound/pcm.h
!Esound/core/pcm.c
!Esound/core/device.c
!Esound/core/info.c
!Esound/core/rawmidi.c
!Esound/core/sound.c
!Esound/core/memory.c
!Esound/core/pcm_memory.c
!Esound/core/init.c
!Esound/core/isadma.c
!Esound/core/control.c
!Esound/core/pcm_lib.c
!Esound/core/hwdep.c
!Esound/core/pcm_native.c
!Esound/core/memalloc.c
<!-- FIXME: Removed for now since no structured comments in source
X!Isound/sound_firmware.c
-->
</chapter>
<chapter id="uart16x50">
<title>16x50 UART Driver</title>
!Iinclude/linux/serial_core.h
!Edrivers/serial/serial_core.c
!Edrivers/serial/8250.c
</chapter>
<chapter id="fbdev">
<title>Frame Buffer Library</title>
<para>
The frame buffer drivers depend heavily on four data structures.
These structures are declared in include/linux/fb.h. They are
fb_info, fb_var_screeninfo, fb_fix_screeninfo and fb_monospecs.
The last three can be made available to and from userland.
</para>
<para>
fb_info defines the current state of a particular video card.
Inside fb_info, there exists a fb_ops structure which is a
collection of needed functions to make fbdev and fbcon work.
fb_info is only visible to the kernel.
</para>
<para>
fb_var_screeninfo is used to describe the features of a video card
that are user defined. With fb_var_screeninfo, things such as
depth and the resolution may be defined.
</para>
<para>
The next structure is fb_fix_screeninfo. This defines the
properties of a card that are created when a mode is set and can't
be changed otherwise. A good example of this is the start of the
frame buffer memory. This "locks" the address of the frame buffer
memory, so that it cannot be changed or moved.
</para>
<para>
The last structure is fb_monospecs. In the old API, there was
little importance for fb_monospecs. This allowed for forbidden things
such as setting a mode of 800x600 on a fix frequency monitor. With
the new API, fb_monospecs prevents such things, and if used
correctly, can prevent a monitor from being cooked. fb_monospecs
will not be useful until kernels 2.5.x.
</para>
<sect1><title>Frame Buffer Memory</title>
!Edrivers/video/fbmem.c
</sect1>
<!--
<sect1><title>Frame Buffer Console</title>
X!Edrivers/video/console/fbcon.c
</sect1>
-->
<sect1><title>Frame Buffer Colormap</title>
!Edrivers/video/fbcmap.c
</sect1>
<!-- FIXME:
drivers/video/fbgen.c has no docs, which stuffs up the sgml. Comment
out until somebody adds docs. KAO
<sect1><title>Frame Buffer Generic Functions</title>
X!Idrivers/video/fbgen.c
</sect1>
KAO -->
<sect1><title>Frame Buffer Video Mode Database</title>
!Idrivers/video/modedb.c
!Edrivers/video/modedb.c
</sect1>
<sect1><title>Frame Buffer Macintosh Video Mode Database</title>
!Edrivers/video/macmodes.c
</sect1>
<sect1><title>Frame Buffer Fonts</title>
<para>
Refer to the file drivers/video/console/fonts.c for more information.
</para>
<!-- FIXME: Removed for now since no structured comments in source
X!Idrivers/video/console/fonts.c
-->
</sect1>
</chapter>
<chapter id="input_subsystem">
<title>Input Subsystem</title>
!Iinclude/linux/input.h
!Edrivers/input/input.c
!Edrivers/input/ff-core.c
!Edrivers/input/ff-memless.c
</chapter>
<chapter id="spi">
<title>Serial Peripheral Interface (SPI)</title>
<para>
SPI is the "Serial Peripheral Interface", widely used with
embedded systems because it is a simple and efficient
interface: basically a multiplexed shift register.
Its three signal wires hold a clock (SCK, often in the range
of 1-20 MHz), a "Master Out, Slave In" (MOSI) data line, and
a "Master In, Slave Out" (MISO) data line.
SPI is a full duplex protocol; for each bit shifted out the
MOSI line (one per clock) another is shifted in on the MISO line.
Those bits are assembled into words of various sizes on the
way to and from system memory.
An additional chipselect line is usually active-low (nCS);
four signals are normally used for each peripheral, plus
sometimes an interrupt.
</para>
<para>
The SPI bus facilities listed here provide a generalized
interface to declare SPI busses and devices, manage them
according to the standard Linux driver model, and perform
input/output operations.
At this time, only "master" side interfaces are supported,
where Linux talks to SPI peripherals and does not implement
such a peripheral itself.
(Interfaces to support implementing SPI slaves would
necessarily look different.)
</para>
<para>
The programming interface is structured around two kinds of driver,
and two kinds of device.
A "Controller Driver" abstracts the controller hardware, which may
be as simple as a set of GPIO pins or as complex as a pair of FIFOs
connected to dual DMA engines on the other side of the SPI shift
register (maximizing throughput). Such drivers bridge between
whatever bus they sit on (often the platform bus) and SPI, and
expose the SPI side of their device as a
<structname>struct spi_master</structname>.
SPI devices are children of that master, represented as a
<structname>struct spi_device</structname> and manufactured from
<structname>struct spi_board_info</structname> descriptors which
are usually provided by board-specific initialization code.
A <structname>struct spi_driver</structname> is called a
"Protocol Driver", and is bound to a spi_device using normal
driver model calls.
</para>
<para>
The I/O model is a set of queued messages. Protocol drivers
submit one or more <structname>struct spi_message</structname>
objects, which are processed and completed asynchronously.
(There are synchronous wrappers, however.) Messages are
built from one or more <structname>struct spi_transfer</structname>
objects, each of which wraps a full duplex SPI transfer.
A variety of protocol tweaking options are needed, because
different chips adopt very different policies for how they
use the bits transferred with SPI.
</para>
!Iinclude/linux/spi/spi.h
!Fdrivers/spi/spi.c spi_register_board_info
!Edrivers/spi/spi.c
</chapter>
<chapter id="i2c">
<title>I<superscript>2</superscript>C and SMBus Subsystem</title>
<para>
I<superscript>2</superscript>C (or without fancy typography, "I2C")
is an acronym for the "Inter-IC" bus, a simple bus protocol which is
widely used where low data rate communications suffice.
Since it's also a licensed trademark, some vendors use another
name (such as "Two-Wire Interface", TWI) for the same bus.
I2C only needs two signals (SCL for clock, SDA for data), conserving
board real estate and minimizing signal quality issues.
Most I2C devices use seven bit addresses, and bus speeds of up
to 400 kHz; there's a high speed extension (3.4 MHz) that's not yet
found wide use.
I2C is a multi-master bus; open drain signaling is used to
arbitrate between masters, as well as to handshake and to
synchronize clocks from slower clients.
</para>
<para>
The Linux I2C programming interfaces support only the master
side of bus interactions, not the slave side.
The programming interface is structured around two kinds of driver,
and two kinds of device.
An I2C "Adapter Driver" abstracts the controller hardware; it binds
to a physical device (perhaps a PCI device or platform_device) and
exposes a <structname>struct i2c_adapter</structname> representing
each I2C bus segment it manages.
On each I2C bus segment will be I2C devices represented by a
<structname>struct i2c_client</structname>. Those devices will
be bound to a <structname>struct i2c_driver</structname>,
which should follow the standard Linux driver model.
(At this writing, a legacy model is more widely used.)
There are functions to perform various I2C protocol operations; at
this writing all such functions are usable only from task context.
</para>
<para>
The System Management Bus (SMBus) is a sibling protocol. Most SMBus
systems are also I2C conformant. The electrical constraints are
tighter for SMBus, and it standardizes particular protocol messages
and idioms. Controllers that support I2C can also support most
SMBus operations, but SMBus controllers don't support all the protocol
options that an I2C controller will.
There are functions to perform various SMBus protocol operations,
either using I2C primitives or by issuing SMBus commands to
i2c_adapter devices which don't support those I2C operations.
</para>
!Iinclude/linux/i2c.h
!Fdrivers/i2c/i2c-boardinfo.c i2c_register_board_info
!Edrivers/i2c/i2c-core.c
</chapter>
</book>

377
Documentation/DocBook/kernel-api.tmpl
View File

@ -38,58 +38,6 @@
<toc></toc>
<chapter id="Basics">
<title>Driver Basics</title>
<sect1><title>Driver Entry and Exit points</title>
!Iinclude/linux/init.h
</sect1>
<sect1><title>Atomic and pointer manipulation</title>
!Iarch/x86/include/asm/atomic_32.h
!Iarch/x86/include/asm/unaligned.h
</sect1>
<sect1><title>Delaying, scheduling, and timer routines</title>
!Iinclude/linux/sched.h
!Ekernel/sched.c
!Ekernel/timer.c
</sect1>
<sect1><title>High-resolution timers</title>
!Iinclude/linux/ktime.h
!Iinclude/linux/hrtimer.h
!Ekernel/hrtimer.c
</sect1>
<sect1><title>Workqueues and Kevents</title>
!Ekernel/workqueue.c
</sect1>
<sect1><title>Internal Functions</title>
!Ikernel/exit.c
!Ikernel/signal.c
!Iinclude/linux/kthread.h
!Ekernel/kthread.c
</sect1>
<sect1><title>Kernel objects manipulation</title>
<!--
X!Iinclude/linux/kobject.h
-->
!Elib/kobject.c
</sect1>
<sect1><title>Kernel utility functions</title>
!Iinclude/linux/kernel.h
!Ekernel/printk.c
!Ekernel/panic.c
!Ekernel/sys.c
!Ekernel/rcupdate.c
</sect1>
<sect1><title>Device Resource Management</title>
!Edrivers/base/devres.c
</sect1>
</chapter>
<chapter id="adt">
<title>Data Types</title>
<sect1><title>Doubly Linked Lists</title>
@ -298,62 +246,6 @@ X!Earch/x86/kernel/mca_32.c
!Ikernel/acct.c
</chapter>
<chapter id="devdrivers">
<title>Device drivers infrastructure</title>
<sect1><title>Device Drivers Base</title>
<!--
X!Iinclude/linux/device.h
-->
!Edrivers/base/driver.c
!Edrivers/base/core.c
!Edrivers/base/class.c
!Edrivers/base/firmware_class.c
!Edrivers/base/transport_class.c
<!-- Cannot be included, because
attribute_container_add_class_device_adapter
and attribute_container_classdev_to_container
exceed allowed 44 characters maximum
X!Edrivers/base/attribute_container.c
-->
!Edrivers/base/sys.c
<!--
X!Edrivers/base/interface.c
-->
!Edrivers/base/platform.c
!Edrivers/base/bus.c
</sect1>
<sect1><title>Device Drivers Power Management</title>
!Edrivers/base/power/main.c
</sect1>
<sect1><title>Device Drivers ACPI Support</title>
<!-- Internal functions only
X!Edrivers/acpi/sleep/main.c
X!Edrivers/acpi/sleep/wakeup.c
X!Edrivers/acpi/motherboard.c
X!Edrivers/acpi/bus.c
-->
!Edrivers/acpi/scan.c
!Idrivers/acpi/scan.c
<!-- No correct structured comments
X!Edrivers/acpi/pci_bind.c
-->
</sect1>
<sect1><title>Device drivers PnP support</title>
!Idrivers/pnp/core.c
<!-- No correct structured comments
X!Edrivers/pnp/system.c
-->
!Edrivers/pnp/card.c
!Idrivers/pnp/driver.c
!Edrivers/pnp/manager.c
!Edrivers/pnp/support.c
</sect1>
<sect1><title>Userspace IO devices</title>
!Edrivers/uio/uio.c
!Iinclude/linux/uio_driver.h
</sect1>
</chapter>
<chapter id="blkdev">
<title>Block Devices</title>
!Eblock/blk-core.c
@ -381,275 +273,6 @@ X!Edrivers/pnp/system.c
!Edrivers/char/misc.c
</chapter>
<chapter id="parportdev">
<title>Parallel Port Devices</title>
!Iinclude/linux/parport.h
!Edrivers/parport/ieee1284.c
!Edrivers/parport/share.c
!Idrivers/parport/daisy.c
</chapter>
<chapter id="message_devices">
<title>Message-based devices</title>
<sect1><title>Fusion message devices</title>
!Edrivers/message/fusion/mptbase.c
!Idrivers/message/fusion/mptbase.c
!Edrivers/message/fusion/mptscsih.c
!Idrivers/message/fusion/mptscsih.c
!Idrivers/message/fusion/mptctl.c
!Idrivers/message/fusion/mptspi.c
!Idrivers/message/fusion/mptfc.c
!Idrivers/message/fusion/mptlan.c
</sect1>
<sect1><title>I2O message devices</title>
!Iinclude/linux/i2o.h
!Idrivers/message/i2o/core.h
!Edrivers/message/i2o/iop.c
!Idrivers/message/i2o/iop.c
!Idrivers/message/i2o/config-osm.c
!Edrivers/message/i2o/exec-osm.c
!Idrivers/message/i2o/exec-osm.c
!Idrivers/message/i2o/bus-osm.c
!Edrivers/message/i2o/device.c
!Idrivers/message/i2o/device.c
!Idrivers/message/i2o/driver.c
!Idrivers/message/i2o/pci.c
!Idrivers/message/i2o/i2o_block.c
!Idrivers/message/i2o/i2o_scsi.c
!Idrivers/message/i2o/i2o_proc.c
</sect1>
</chapter>
<chapter id="snddev">
<title>Sound Devices</title>
!Iinclude/sound/core.h
!Esound/sound_core.c
!Iinclude/sound/pcm.h
!Esound/core/pcm.c
!Esound/core/device.c
!Esound/core/info.c
!Esound/core/rawmidi.c
!Esound/core/sound.c
!Esound/core/memory.c
!Esound/core/pcm_memory.c
!Esound/core/init.c
!Esound/core/isadma.c
!Esound/core/control.c
!Esound/core/pcm_lib.c
!Esound/core/hwdep.c
!Esound/core/pcm_native.c
!Esound/core/memalloc.c
<!-- FIXME: Removed for now since no structured comments in source
X!Isound/sound_firmware.c
-->
</chapter>
<chapter id="uart16x50">
<title>16x50 UART Driver</title>
!Iinclude/linux/serial_core.h
!Edrivers/serial/serial_core.c
!Edrivers/serial/8250.c
</chapter>
<chapter id="fbdev">
<title>Frame Buffer Library</title>
<para>
The frame buffer drivers depend heavily on four data structures.
These structures are declared in include/linux/fb.h. They are
fb_info, fb_var_screeninfo, fb_fix_screeninfo and fb_monospecs.
The last three can be made available to and from userland.
</para>
<para>
fb_info defines the current state of a particular video card.
Inside fb_info, there exists a fb_ops structure which is a
collection of needed functions to make fbdev and fbcon work.
fb_info is only visible to the kernel.
</para>
<para>
fb_var_screeninfo is used to describe the features of a video card
that are user defined. With fb_var_screeninfo, things such as
depth and the resolution may be defined.
</para>
<para>
The next structure is fb_fix_screeninfo. This defines the
properties of a card that are created when a mode is set and can't
be changed otherwise. A good example of this is the start of the
frame buffer memory. This "locks" the address of the frame buffer
memory, so that it cannot be changed or moved.
</para>
<para>
The last structure is fb_monospecs. In the old API, there was
little importance for fb_monospecs. This allowed for forbidden things
such as setting a mode of 800x600 on a fix frequency monitor. With
the new API, fb_monospecs prevents such things, and if used
correctly, can prevent a monitor from being cooked. fb_monospecs
will not be useful until kernels 2.5.x.
</para>
<sect1><title>Frame Buffer Memory</title>
!Edrivers/video/fbmem.c
</sect1>
<!--
<sect1><title>Frame Buffer Console</title>
X!Edrivers/video/console/fbcon.c
</sect1>
-->
<sect1><title>Frame Buffer Colormap</title>
!Edrivers/video/fbcmap.c
</sect1>
<!-- FIXME:
drivers/video/fbgen.c has no docs, which stuffs up the sgml. Comment
out until somebody adds docs. KAO
<sect1><title>Frame Buffer Generic Functions</title>
X!Idrivers/video/fbgen.c
</sect1>
KAO -->
<sect1><title>Frame Buffer Video Mode Database</title>
!Idrivers/video/modedb.c
!Edrivers/video/modedb.c
</sect1>
<sect1><title>Frame Buffer Macintosh Video Mode Database</title>
!Edrivers/video/macmodes.c
</sect1>
<sect1><title>Frame Buffer Fonts</title>
<para>
Refer to the file drivers/video/console/fonts.c for more information.
</para>
<!-- FIXME: Removed for now since no structured comments in source
X!Idrivers/video/console/fonts.c
-->
</sect1>
</chapter>
<chapter id="input_subsystem">
<title>Input Subsystem</title>
!Iinclude/linux/input.h
!Edrivers/input/input.c
!Edrivers/input/ff-core.c
!Edrivers/input/ff-memless.c
</chapter>
<chapter id="spi">
<title>Serial Peripheral Interface (SPI)</title>
<para>
SPI is the "Serial Peripheral Interface", widely used with
embedded systems because it is a simple and efficient
interface: basically a multiplexed shift register.
Its three signal wires hold a clock (SCK, often in the range
of 1-20 MHz), a "Master Out, Slave In" (MOSI) data line, and
a "Master In, Slave Out" (MISO) data line.
SPI is a full duplex protocol; for each bit shifted out the
MOSI line (one per clock) another is shifted in on the MISO line.
Those bits are assembled into words of various sizes on the
way to and from system memory.
An additional chipselect line is usually active-low (nCS);
four signals are normally used for each peripheral, plus
sometimes an interrupt.
</para>
<para>
The SPI bus facilities listed here provide a generalized
interface to declare SPI busses and devices, manage them
according to the standard Linux driver model, and perform
input/output operations.
At this time, only "master" side interfaces are supported,
where Linux talks to SPI peripherals and does not implement
such a peripheral itself.
(Interfaces to support implementing SPI slaves would
necessarily look different.)
</para>
<para>
The programming interface is structured around two kinds of driver,
and two kinds of device.
A "Controller Driver" abstracts the controller hardware, which may
be as simple as a set of GPIO pins or as complex as a pair of FIFOs
connected to dual DMA engines on the other side of the SPI shift
register (maximizing throughput). Such drivers bridge between
whatever bus they sit on (often the platform bus) and SPI, and
expose the SPI side of their device as a
<structname>struct spi_master</structname>.
SPI devices are children of that master, represented as a
<structname>struct spi_device</structname> and manufactured from
<structname>struct spi_board_info</structname> descriptors which
are usually provided by board-specific initialization code.
A <structname>struct spi_driver</structname> is called a
"Protocol Driver", and is bound to a spi_device using normal
driver model calls.
</para>
<para>
The I/O model is a set of queued messages. Protocol drivers
submit one or more <structname>struct spi_message</structname>
objects, which are processed and completed asynchronously.
(There are synchronous wrappers, however.) Messages are
built from one or more <structname>struct spi_transfer</structname>
objects, each of which wraps a full duplex SPI transfer.
A variety of protocol tweaking options are needed, because
different chips adopt very different policies for how they
use the bits transferred with SPI.
</para>
!Iinclude/linux/spi/spi.h
!Fdrivers/spi/spi.c spi_register_board_info
!Edrivers/spi/spi.c
</chapter>
<chapter id="i2c">
<title>I<superscript>2</superscript>C and SMBus Subsystem</title>
<para>
I<superscript>2</superscript>C (or without fancy typography, "I2C")
is an acronym for the "Inter-IC" bus, a simple bus protocol which is
widely used where low data rate communications suffice.
Since it's also a licensed trademark, some vendors use another
name (such as "Two-Wire Interface", TWI) for the same bus.
I2C only needs two signals (SCL for clock, SDA for data), conserving
board real estate and minimizing signal quality issues.
Most I2C devices use seven bit addresses, and bus speeds of up
to 400 kHz; there's a high speed extension (3.4 MHz) that's not yet
found wide use.
I2C is a multi-master bus; open drain signaling is used to
arbitrate between masters, as well as to handshake and to
synchronize clocks from slower clients.
</para>
<para>
The Linux I2C programming interfaces support only the master
side of bus interactions, not the slave side.
The programming interface is structured around two kinds of driver,
and two kinds of device.
An I2C "Adapter Driver" abstracts the controller hardware; it binds
to a physical device (perhaps a PCI device or platform_device) and
exposes a <structname>struct i2c_adapter</structname> representing
each I2C bus segment it manages.
On each I2C bus segment will be I2C devices represented by a
<structname>struct i2c_client</structname>. Those devices will
be bound to a <structname>struct i2c_driver</structname>,
which should follow the standard Linux driver model.
(At this writing, a legacy model is more widely used.)
There are functions to perform various I2C protocol operations; at
this writing all such functions are usable only from task context.
</para>
<para>
The System Management Bus (SMBus) is a sibling protocol. Most SMBus
systems are also I2C conformant. The electrical constraints are
tighter for SMBus, and it standardizes particular protocol messages
and idioms. Controllers that support I2C can also support most
SMBus operations, but SMBus controllers don't support all the protocol
options that an I2C controller will.
There are functions to perform various SMBus protocol operations,
either using I2C primitives or by issuing SMBus commands to
i2c_adapter devices which don't support those I2C operations.
</para>
!Iinclude/linux/i2c.h
!Fdrivers/i2c/i2c-boardinfo.c i2c_register_board_info
!Edrivers/i2c/i2c-core.c
</chapter>
<chapter id="clk">
<title>Clock Framework</title>

6
Documentation/cgroups/cgroups.txt
View File

@ -252,10 +252,8 @@ cgroup file system directories.
When a task is moved from one cgroup to another, it gets a new
css_set pointer - if there's an already existing css_set with the
desired collection of cgroups then that group is reused, else a new
css_set is allocated. Note that the current implementation uses a
linear search to locate an appropriate existing css_set, so isn't
very efficient. A future version will use a hash table for better
performance.
css_set is allocated. The appropriate existing css_set is located by
looking into a hash table.
To allow access from a cgroup to the css_sets (and hence tasks)
that comprise it, a set of cg_cgroup_link objects form a lattice;

61
Documentation/cgroups/cpusets.txt
View File

@ -142,7 +142,7 @@ into the rest of the kernel, none in performance critical paths:
- in fork and exit, to attach and detach a task from its cpuset.
- in sched_setaffinity, to mask the requested CPUs by what's
allowed in that tasks cpuset.
- in sched.c migrate_all_tasks(), to keep migrating tasks within
- in sched.c migrate_live_tasks(), to keep migrating tasks within
the CPUs allowed by their cpuset, if possible.
- in the mbind and set_mempolicy system calls, to mask the requested
Memory Nodes by what's allowed in that tasks cpuset.
@ -175,6 +175,10 @@ files describing that cpuset:
- mem_exclusive flag: is memory placement exclusive?
- mem_hardwall flag: is memory allocation hardwalled
- memory_pressure: measure of how much paging pressure in cpuset
- memory_spread_page flag: if set, spread page cache evenly on allowed nodes
- memory_spread_slab flag: if set, spread slab cache evenly on allowed nodes
- sched_load_balance flag: if set, load balance within CPUs on that cpuset
- sched_relax_domain_level: the searching range when migrating tasks
In addition, the root cpuset only has the following file:
- memory_pressure_enabled flag: compute memory_pressure?
@ -252,7 +256,7 @@ is causing.
This is useful both on tightly managed systems running a wide mix of
submitted jobs, which may choose to terminate or re-prioritize jobs that
are trying to use more memory than allowed on the nodes assigned them,
are trying to use more memory than allowed on the nodes assigned to them,
and with tightly coupled, long running, massively parallel scientific
computing jobs that will dramatically fail to meet required performance
goals if they start to use more memory than allowed to them.
@ -485,17 +489,22 @@ of CPUs allowed to a cpuset having 'sched_load_balance' enabled.
The internal kernel cpuset to scheduler interface passes from the
cpuset code to the scheduler code a partition of the load balanced
CPUs in the system. This partition is a set of subsets (represented
as an array of cpumask_t) of CPUs, pairwise disjoint, that cover all
the CPUs that must be load balanced.
as an array of struct cpumask) of CPUs, pairwise disjoint, that cover
all the CPUs that must be load balanced.
Whenever the 'sched_load_balance' flag changes, or CPUs come or go
from a cpuset with this flag enabled, or a cpuset with this flag
enabled is removed, the cpuset code builds a new such partition and
passes it to the scheduler sched domain setup code, to have the sched
domains rebuilt as necessary.
The cpuset code builds a new such partition and passes it to the
scheduler sched domain setup code, to have the sched domains rebuilt
as necessary, whenever:
- the 'sched_load_balance' flag of a cpuset with non-empty CPUs changes,
- or CPUs come or go from a cpuset with this flag enabled,
- or 'sched_relax_domain_level' value of a cpuset with non-empty CPUs
and with this flag enabled changes,
- or a cpuset with non-empty CPUs and with this flag enabled is removed,
- or a cpu is offlined/onlined.
This partition exactly defines what sched domains the scheduler should
setup - one sched domain for each element (cpumask_t) in the partition.
setup - one sched domain for each element (struct cpumask) in the
partition.
The scheduler remembers the currently active sched domain partitions.
When the scheduler routine partition_sched_domains() is invoked from
@ -559,7 +568,7 @@ domain, the largest value among those is used. Be careful, if one
requests 0 and others are -1 then 0 is used.
Note that modifying this file will have both good and bad effects,
and whether it is acceptable or not will be depend on your situation.
and whether it is acceptable or not depends on your situation.
Don't modify this file if you are not sure.
If your situation is:
@ -600,19 +609,15 @@ to allocate a page of memory for that task.
If a cpuset has its 'cpus' modified, then each task in that cpuset
will have its allowed CPU placement changed immediately. Similarly,
if a tasks pid is written to a cpusets 'tasks' file, in either its
current cpuset or another cpuset, then its allowed CPU placement is
changed immediately. If such a task had been bound to some subset
of its cpuset using the sched_setaffinity() call, the task will be
allowed to run on any CPU allowed in its new cpuset, negating the
affect of the prior sched_setaffinity() call.
if a tasks pid is written to another cpusets 'tasks' file, then its
allowed CPU placement is changed immediately. If such a task had been
bound to some subset of its cpuset using the sched_setaffinity() call,
the task will be allowed to run on any CPU allowed in its new cpuset,
negating the effect of the prior sched_setaffinity() call.
In summary, the memory placement of a task whose cpuset is changed is
updated by the kernel, on the next allocation of a page for that task,
but the processor placement is not updated, until that tasks pid is
rewritten to the 'tasks' file of its cpuset. This is done to avoid
impacting the scheduler code in the kernel with a check for changes
in a tasks processor placement.
and the processor placement is updated immediately.
Normally, once a page is allocated (given a physical page
of main memory) then that page stays on whatever node it
@ -681,10 +686,14 @@ and then start a subshell 'sh' in that cpuset:
# The next line should display '/Charlie'
cat /proc/self/cpuset
In the future, a C library interface to cpusets will likely be
available. For now, the only way to query or modify cpusets is
via the cpuset file system, using the various cd, mkdir, echo, cat,
rmdir commands from the shell, or their equivalent from C.
There are ways to query or modify cpusets:
- via the cpuset file system directly, using the various cd, mkdir, echo,
cat, rmdir commands from the shell, or their equivalent from C.
- via the C library libcpuset.
- via the C library libcgroup.
(http://sourceforge.net/proects/libcg/)
- via the python application cset.
(http://developer.novell.com/wiki/index.php/Cpuset)
The sched_setaffinity calls can also be done at the shell prompt using
SGI's runon or Robert Love's taskset. The mbind and set_mempolicy
@ -756,7 +765,7 @@ mount -t cpuset X /dev/cpuset
is equivalent to
mount -t cgroup -ocpuset X /dev/cpuset
mount -t cgroup -ocpuset,noprefix X /dev/cpuset
echo "/sbin/cpuset_release_agent" > /dev/cpuset/release_agent
2.2 Adding/removing cpus

6
Documentation/driver-model/device.txt
View File

@ -128,8 +128,10 @@ Attributes
~~~~~~~~~~
struct device_attribute {
struct attribute attr;
ssize_t (*show)(struct device * dev, char * buf, size_t count, loff_t off);
ssize_t (*store)(struct device * dev, const char * buf, size_t count, loff_t off);
ssize_t (*show)(struct device *dev, struct device_attribute *attr,
char *buf);
ssize_t (*store)(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
};
Attributes of devices can be exported via drivers using a simple

205
Documentation/dvb/README.flexcop
View File

@ -1,205 +0,0 @@
This README escorted the skystar2-driver rewriting procedure. It describes the
state of the new flexcop-driver set and some internals are written down here
too.
This document hopefully describes things about the flexcop and its
device-offsprings. Goal was to write an easy-to-write and easy-to-read set of
drivers based on the skystar2.c and other information.
Remark: flexcop-pci.c was a copy of skystar2.c, but every line has been
touched and rewritten.
History & News
==============
2005-04-01 - correct USB ISOC transfers (thanks to Vadim Catana)
General coding processing
=========================
We should proceed as follows (as long as no one complains):
0) Think before start writing code!
1) rewriting the skystar2.c with the help of the flexcop register descriptions
and splitting up the files to a pci-bus-part and a flexcop-part.
The new driver will be called b2c2-flexcop-pci.ko/b2c2-flexcop-usb.ko for the
device-specific part and b2c2-flexcop.ko for the common flexcop-functions.
2) Search for errors in the leftover of flexcop-pci.c (compare with pluto2.c
and other pci drivers)
3) make some beautification (see 'Improvements when rewriting (refactoring) is
done')
4) Testing the new driver and maybe substitute the skystar2.c with it, to reach
a wider tester audience.
5) creating an usb-bus-part using the already written flexcop code for the pci
card.
Idea: create a kernel-object for the flexcop and export all important
functions. This option saves kernel-memory, but maybe a lot of functions have
to be exported to kernel namespace.
Current situation
=================
0) Done :)
1) Done (some minor issues left)
2) Done
3) Not ready yet, more information is necessary
4) next to be done (see the table below)
5) USB driver is working (yes, there are some minor issues)
What seems to be ready?
-----------------------
1) Rewriting
1a) i2c is cut off from the flexcop-pci.c and seems to work
1b) moved tuner and demod stuff from flexcop-pci.c to flexcop-tuner-fe.c
1c) moved lnb and diseqc stuff from flexcop-pci.c to flexcop-tuner-fe.c
1e) eeprom (reading MAC address)
1d) sram (no dynamic sll size detection (commented out) (using default as JJ told me))
1f) misc. register accesses for reading parameters (e.g. resetting, revision)
1g) pid/mac filter (flexcop-hw-filter.c)
1i) dvb-stuff initialization in flexcop.c (done)
1h) dma stuff (now just using the size-irq, instead of all-together, to be done)
1j) remove flexcop initialization from flexcop-pci.c completely (done)
1l) use a well working dma IRQ method (done, see 'Known bugs and problems and TODO')
1k) cleanup flexcop-files (remove unused EXPORT_SYMBOLs, make static from
non-static where possible, moved code to proper places)
2) Search for errors in the leftover of flexcop-pci.c (partially done)
5a) add MAC address reading
5c) feeding of ISOC data to the software demux (format of the isochronous data
and speed optimization, no real error) (thanks to Vadim Catana)
What to do in the near future?
--------------------------------------
(no special order here)
5) USB driver
5b) optimize isoc-transfer (submitting/killing isoc URBs when transfer is starting)
Testing changes
---------------
O = item is working
P = item is partially working
X = item is not working
N = item does not apply here
<empty field> = item need to be examined
| PCI | USB
item | mt352 | nxt2002 | stv0299 | mt312 | mt352 | nxt2002 | stv0299 | mt312
-------+-------+---------+---------+-------+-------+---------+---------+-------
1a) | O | | | | N | N | N | N
1b) | O | | | | | | O |
1c) | N | N | | | N | N | O |
1d) | O | O
1e) | O | O
1f) | P
1g) | O
1h) | P |
1i) | O | N
1j) | O | N
1l) | O | N
2) | O | N
5a) | N | O
5b)* | N |
5c) | N | O
* - not done yet
Known bugs and problems and TODO
--------------------------------
1g/h/l) when pid filtering is enabled on the pci card
DMA usage currently:
The DMA is splitted in 2 equal-sized subbuffers. The Flexcop writes to first
address and triggers an IRQ when it's full and starts writing to the second
address. When the second address is full, the IRQ is triggered again, and
the flexcop writes to first address again, and so on.
The buffersize of each address is currently 640*188 bytes.
Problem is, when using hw-pid-filtering and doing some low-bandwidth
operation (like scanning) the buffers won't be filled enough to trigger
the IRQ. That's why:
When PID filtering is activated, the timer IRQ is used. Every 1.97 ms the IRQ
is triggered. Is the current write address of DMA1 different to the one
during the last IRQ, then the data is passed to the demuxer.
There is an additional DMA-IRQ-method: packet count IRQ. This isn't
implemented correctly yet.
The solution is to disable HW PID filtering, but I don't know how the DVB
API software demux behaves on slow systems with 45MBit/s TS.
Solved bugs :)
--------------
1g) pid-filtering (somehow pid index 4 and 5 (EMM_PID and ECM_PID) aren't
working)
SOLUTION: also index 0 was affected, because net_translation is done for
these indexes by default
5b) isochronous transfer does only work in the first attempt (for the Sky2PC
USB, Air2PC is working) SOLUTION: the flexcop was going asleep and never really
woke up again (don't know if this need fixes, see
flexcop-fe-tuner.c:flexcop_sleep)
NEWS: when the driver is loaded and unloaded and loaded again (w/o doing
anything in the while the driver is loaded the first time), no transfers take
place anymore.
Improvements when rewriting (refactoring) is done
=================================================
- split sleeping of the flexcop (misc_204.ACPI3_sig = 1;) from lnb_control
(enable sleeping for other demods than dvb-s)
- add support for CableStar (stv0297 Microtune 203x/ALPS) (almost done, incompatibilities with the Nexus-CA)
Debugging
---------
- add verbose debugging to skystar2.c (dump the reg_dw_data) and compare it
with this flexcop, this is important, because i2c is now using the
flexcop_ibi_value union from flexcop-reg.h (do you have a better idea for
that, please tell us so).
Everything which is identical in the following table, can be put into a common
flexcop-module.
PCI USB
-------------------------------------------------------------------------------
Different:
Register access: accessing IO memory USB control message
I2C bus: I2C bus of the FC USB control message
Data transfer: DMA isochronous transfer
EEPROM transfer: through i2c bus not clear yet
Identical:
Streaming: accessing registers
PID Filtering: accessing registers
Sram destinations: accessing registers
Tuner/Demod: I2C bus
DVB-stuff: can be written for common use
Acknowledgements (just for the rewriting part)
================
Bjarne Steinsbo thought a lot in the first place of the pci part for this code
sharing idea.
Andreas Oberritter for providing a recent PCI initialization template
(pluto2.c).
Boleslaw Ciesielski for pointing out a problem with firmware loader.
Vadim Catana for correcting the USB transfer.
comments, critics and ideas to linux-dvb@linuxtv.org.

34
Documentation/dvb/technisat.txt
View File

@ -1,5 +1,5 @@
How to set up the Technisat devices
===================================
How to set up the Technisat/B2C2 Flexcop devices
================================================
1) Find out what device you have
================================
@ -16,54 +16,60 @@ DVB: registering frontend 0 (Conexant CX24123/CX24109)...
If the Technisat is the only TV device in your box get rid of unnecessary modules and check this one:
"Multimedia devices" => "Customise analog and hybrid tuner modules to build"
In this directory uncheck every driver which is activated there.
In this directory uncheck every driver which is activated there (except "Simple tuner support" for case 9 only).
Then please activate:
2a) Main module part:
a.)"Multimedia devices" => "DVB/ATSC adapters" => "Technisat/B2C2 FlexcopII(b) and FlexCopIII adapters"
b.)"Multimedia devices" => "DVB/ATSC adapters" => "Technisat/B2C2 FlexcopII(b) and FlexCopIII adapters" => "Technisat/B2C2 Air/Sky/Cable2PC PCI" in case of a PCI card OR
b.)"Multimedia devices" => "DVB/ATSC adapters" => "Technisat/B2C2 FlexcopII(b) and FlexCopIII adapters" => "Technisat/B2C2 Air/Sky/Cable2PC PCI" in case of a PCI card
OR
c.)"Multimedia devices" => "DVB/ATSC adapters" => "Technisat/B2C2 FlexcopII(b) and FlexCopIII adapters" => "Technisat/B2C2 Air/Sky/Cable2PC USB" in case of an USB 1.1 adapter
d.)"Multimedia devices" => "DVB/ATSC adapters" => "Technisat/B2C2 FlexcopII(b) and FlexCopIII adapters" => "Enable debug for the B2C2 FlexCop drivers"
Notice: d.) is helpful for troubleshooting
2b) Frontend module part:
1.) Revision 2.3:
1.) SkyStar DVB-S Revision 2.3:
a.)"Multimedia devices" => "Customise DVB frontends" => "Customise the frontend modules to build"
b.)"Multimedia devices" => "Customise DVB frontends" => "Zarlink VP310/MT312/ZL10313 based"
2.) Revision 2.6:
2.) SkyStar DVB-S Revision 2.6:
a.)"Multimedia devices" => "Customise DVB frontends" => "Customise the frontend modules to build"
b.)"Multimedia devices" => "Customise DVB frontends" => "ST STV0299 based"
3.) Revision 2.7:
3.) SkyStar DVB-S Revision 2.7:
a.)"Multimedia devices" => "Customise DVB frontends" => "Customise the frontend modules to build"
b.)"Multimedia devices" => "Customise DVB frontends" => "Samsung S5H1420 based"
c.)"Multimedia devices" => "Customise DVB frontends" => "Integrant ITD1000 Zero IF tuner for DVB-S/DSS"
d.)"Multimedia devices" => "Customise DVB frontends" => "ISL6421 SEC controller"
4.) Revision 2.8:
4.) SkyStar DVB-S Revision 2.8:
a.)"Multimedia devices" => "Customise DVB frontends" => "Customise the frontend modules to build"
b.)"Multimedia devices" => "Customise DVB frontends" => "Conexant CX24113/CX24128 tuner for DVB-S/DSS"
c.)"Multimedia devices" => "Customise DVB frontends" => "Conexant CX24123 based"
d.)"Multimedia devices" => "Customise DVB frontends" => "ISL6421 SEC controller"
5.) DVB-T card:
5.) AirStar DVB-T card:
a.)"Multimedia devices" => "Customise DVB frontends" => "Customise the frontend modules to build"
b.)"Multimedia devices" => "Customise DVB frontends" => "Zarlink MT352 based"
6.) DVB-C card:
6.) CableStar DVB-C card:
a.)"Multimedia devices" => "Customise DVB frontends" => "Customise the frontend modules to build"
b.)"Multimedia devices" => "Customise DVB frontends" => "ST STV0297 based"
7.) ATSC card 1st generation:
7.) AirStar ATSC card 1st generation:
a.)"Multimedia devices" => "Customise DVB frontends" => "Customise the frontend modules to build"
b.)"Multimedia devices" => "Customise DVB frontends" => "Broadcom BCM3510"
8.) ATSC card 2nd generation:
8.) AirStar ATSC card 2nd generation:
a.)"Multimedia devices" => "Customise DVB frontends" => "Customise the frontend modules to build"
b.)"Multimedia devices" => "Customise DVB frontends" => "NxtWave Communications NXT2002/NXT2004 based"
c.)"Multimedia devices" => "Customise DVB frontends" => "LG Electronics LGDT3302/LGDT3303 based"
c.)"Multimedia devices" => "Customise DVB frontends" => "Generic I2C PLL based tuners"
Author: Uwe Bugla <uwe.bugla@gmx.de> December 2008
9.) AirStar ATSC card 3rd generation:
a.)"Multimedia devices" => "Customise DVB frontends" => "Customise the frontend modules to build"
b.)"Multimedia devices" => "Customise DVB frontends" => "LG Electronics LGDT3302/LGDT3303 based"
c.)"Multimedia devices" => "Customise analog and hybrid tuner modules to build" => "Simple tuner support"
Author: Uwe Bugla <uwe.bugla@gmx.de> February 2009

9
Documentation/feature-removal-schedule.txt
View File

@ -335,3 +335,12 @@ Why: In 2.6.18 the Secmark concept was introduced to replace the "compat_net"
Secmark, it is time to deprecate the older mechanism and start the
process of removing the old code.
Who: Paul Moore <paul.moore@hp.com>
---------------------------
What: sysfs ui for changing p4-clockmod parameters
When: September 2009
Why: See commits 129f8ae9b1b5be94517da76009ea956e89104ce8 and
e088e4c9cdb618675874becb91b2fd581ee707e6.
Removal is subject to fixing any remaining bugs in ACPI which may
cause the thermal throttling not to happen at the right time.
Who: Dave Jones <davej@redhat.com>, Matthew Garrett <mjg@redhat.com>

2
Documentation/filesystems/squashfs.txt
View File

@ -22,7 +22,7 @@ Squashfs filesystem features versus Cramfs:
Squashfs Cramfs
Max filesystem size: 2^64 16 MiB
Max filesystem size: 2^64 256 MiB
Max file size: ~ 2 TiB 16 MiB
Max files: unlimited unlimited
Max directories: unlimited unlimited

42
Documentation/filesystems/sysfs.txt
View File

@ -2,8 +2,10 @@
sysfs - _The_ filesystem for exporting kernel objects.
Patrick Mochel <mochel@osdl.org>
Mike Murphy <mamurph@cs.clemson.edu>
10 January 2003
Revised: 22 February 2009
Original: 10 January 2003
What it is:
@ -64,12 +66,13 @@ An attribute definition is simply:
struct attribute {
char * name;
struct module *owner;
mode_t mode;
};
int sysfs_create_file(struct kobject * kobj, struct attribute * attr);
void sysfs_remove_file(struct kobject * kobj, struct attribute * attr);
int sysfs_create_file(struct kobject * kobj, const struct attribute * attr);
void sysfs_remove_file(struct kobject * kobj, const struct attribute * attr);
A bare attribute contains no means to read or write the value of the
@ -81,8 +84,10 @@ For example, the driver model defines struct device_attribute like:
struct device_attribute {
struct attribute attr;
ssize_t (*show)(struct device * dev, char * buf);
ssize_t (*store)(struct device * dev, const char * buf);
ssize_t (*show)(struct device *dev, struct device_attribute *attr,
char *buf);
ssize_t (*store)(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
};
int device_create_file(struct device *, struct device_attribute *);
@ -91,11 +96,7 @@ void device_remove_file(struct device *, struct device_attribute *);
It also defines this helper for defining device attributes:
#define DEVICE_ATTR(_name, _mode, _show, _store) \
struct device_attribute dev_attr_##_name = { \
.attr = {.name = __stringify(_name) , .mode = _mode }, \
.show = _show, \
.store = _store, \
};
struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
For example, declaring
@ -107,9 +108,9 @@ static struct device_attribute dev_attr_foo = {
.attr = {
.name = "foo",
.mode = S_IWUSR | S_IRUGO,
},
.show = show_foo,
.store = store_foo,
},
};
@ -161,10 +162,12 @@ To read or write attributes, show() or store() methods must be
specified when declaring the attribute. The method types should be as
simple as those defined for device attributes:
ssize_t (*show)(struct device * dev, char * buf);
ssize_t (*store)(struct device * dev, const char * buf);
ssize_t (*show)(struct device * dev, struct device_attribute * attr,
char * buf);
ssize_t (*store)(struct device * dev, struct device_attribute * attr,
const char * buf);
IOW, they should take only an object and a buffer as parameters.
IOW, they should take only an object, an attribute, and a buffer as parameters.
sysfs allocates a buffer of size (PAGE_SIZE) and passes it to the
@ -300,13 +303,15 @@ Structure:
struct device_attribute {
struct attribute attr;
ssize_t (*show)(struct device * dev, char * buf);
ssize_t (*store)(struct device * dev, const char * buf);
ssize_t (*show)(struct device *dev, struct device_attribute *attr,
char *buf);
ssize_t (*store)(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
};
Declaring:
DEVICE_ATTR(_name, _str, _mode, _show, _store);
DEVICE_ATTR(_name, _mode, _show, _store);
Creation/Removal:
@ -342,7 +347,8 @@ Structure:
struct driver_attribute {
struct attribute attr;
ssize_t (*show)(struct device_driver *, char * buf);
ssize_t (*store)(struct device_driver *, const char * buf);
ssize_t (*store)(struct device_driver *, const char * buf,
size_t count);
};
Declaring:

101
Documentation/hwmon/hpfall.c Normal file
View File

@ -0,0 +1,101 @@
/* Disk protection for HP machines.
*
* Copyright 2008 Eric Piel
* Copyright 2009 Pavel Machek <pavel@suse.cz>
*
* GPLv2.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <string.h>
#include <stdint.h>
#include <errno.h>
#include <signal.h>
void write_int(char *path, int i)
{
char buf[1024];
int fd = open(path, O_RDWR);
if (fd < 0) {
perror("open");
exit(1);
}
sprintf(buf, "%d", i);
if (write(fd, buf, strlen(buf)) != strlen(buf)) {
perror("write");
exit(1);
}
close(fd);
}
void set_led(int on)
{
write_int("/sys/class/leds/hp::hddprotect/brightness", on);
}
void protect(int seconds)
{
write_int("/sys/block/sda/device/unload_heads", seconds*1000);
}
int on_ac(void)
{
// /sys/class/power_supply/AC0/online
}
int lid_open(void)
{
// /proc/acpi/button/lid/LID/state
}
void ignore_me(void)
{
protect(0);
set_led(0);
}
int main(int argc, char* argv[])
{
int fd, ret;
fd = open("/dev/freefall", O_RDONLY);
if (fd < 0) {
perror("open");
return EXIT_FAILURE;
}
signal(SIGALRM, ignore_me);
for (;;) {
unsigned char count;
ret = read(fd, &count, sizeof(count));
alarm(0);
if ((ret == -1) && (errno == EINTR)) {
/* Alarm expired, time to unpark the heads */
continue;
}
if (ret != sizeof(count)) {
perror("read");
break;
}
protect(21);
set_led(1);
if (1 || on_ac() || lid_open()) {
alarm(2);
} else {
alarm(20);
}
}
close(fd);
return EXIT_SUCCESS;
}

8
Documentation/hwmon/lis3lv02d
View File

@ -33,6 +33,14 @@ rate - reports the sampling rate of the accelerometer device in HZ
This driver also provides an absolute input class device, allowing
the laptop to act as a pinball machine-esque joystick.
Another feature of the driver is misc device called "freefall" that
acts similar to /dev/rtc and reacts on free-fall interrupts received
from the device. It supports blocking operations, poll/select and
fasync operation modes. You must read 1 bytes from the device. The
result is number of free-fall interrupts since the last successful
read (or 255 if number of interrupts would not fit).
Axes orientation
----------------

12
Documentation/kernel-parameters.txt
View File

@ -114,7 +114,7 @@ In addition, the following text indicates that the option:
Parameters denoted with BOOT are actually interpreted by the boot
loader, and have no meaning to the kernel directly.
Do not modify the syntax of boot loader parameters without extreme
need or coordination with <Documentation/x86/i386/boot.txt>.
need or coordination with <Documentation/x86/boot.txt>.
There are also arch-specific kernel-parameters not documented here.
See for example <Documentation/x86/x86_64/boot-options.txt>.
@ -134,7 +134,7 @@ and is between 256 and 4096 characters. It is defined in the file
acpi= [HW,ACPI,X86-64,i386]
Advanced Configuration and Power Interface
Format: { force | off | ht | strict | noirq }
Format: { force | off | ht | 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
@ -868,8 +868,10 @@ and is between 256 and 4096 characters. It is defined in the file
icn= [HW,ISDN]
Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
ide= [HW] (E)IDE subsystem
Format: ide=nodma or ide=doubler
ide-core.nodma= [HW] (E)IDE subsystem
Format: =0.0 to prevent dma on hda, =0.1 hdb =1.0 hdc
.vlb_clock .pci_clock .noflush .noprobe .nowerr .cdrom
.chs .ignore_cable are additional options
See Documentation/ide/ide.txt.
idebus= [HW] (E)IDE subsystem - VLB/PCI bus speed
@ -2449,7 +2451,7 @@ and is between 256 and 4096 characters. It is defined in the file
See Documentation/fb/modedb.txt.
vga= [BOOT,X86-32] Select a particular video mode
See Documentation/x86/i386/boot.txt and
See Documentation/x86/boot.txt and
Documentation/svga.txt.
Use vga=ask for menu.
This is actually a boot loader parameter; the value is

35
Documentation/networking/ipv6.txt Normal file
View File

@ -0,0 +1,35 @@
Options for the ipv6 module are supplied as parameters at load time.
Module options may be given as command line arguments to the insmod
or modprobe command, but are usually specified in either the
/etc/modules.conf or /etc/modprobe.conf configuration file, or in a
distro-specific configuration file.
The available ipv6 module parameters are listed below. If a parameter
is not specified the default value is used.
The parameters are as follows:
disable
Specifies whether to load the IPv6 module, but disable all
its functionality. This might be used when another module
has a dependency on the IPv6 module being loaded, but no
IPv6 addresses or operations are desired.
The possible values and their effects are:
0
IPv6 is enabled.
This is the default value.
1
IPv6 is disabled.
No IPv6 addresses will be added to interfaces, and
it will not be possible to open an IPv6 socket.
A reboot is required to enable IPv6.

11
Documentation/scsi/cxgb3i.txt
View File

@ -4,7 +4,7 @@ Introduction
============
The Chelsio T3 ASIC based Adapters (S310, S320, S302, S304, Mezz cards, etc.
series of products) supports iSCSI acceleration and iSCSI Direct Data Placement
series of products) support iSCSI acceleration and iSCSI Direct Data Placement
(DDP) where the hardware handles the expensive byte touching operations, such
as CRC computation and verification, and direct DMA to the final host memory
destination:
@ -31,9 +31,9 @@ destination:
the TCP segments onto the wire. It handles TCP retransmission if
needed.
On receving, S3 h/w recovers the iSCSI PDU by reassembling TCP
On receiving, S3 h/w recovers the iSCSI PDU by reassembling TCP
segments, separating the header and data, calculating and verifying
the digests, then forwards the header to the host. The payload data,
the digests, then forwarding the header to the host. The payload data,
if possible, will be directly placed into the pre-posted host DDP
buffer. Otherwise, the payload data will be sent to the host too.
@ -68,9 +68,8 @@ The following steps need to be taken to accelerates the open-iscsi initiator:
sure the ip address is unique in the network.
3. edit /etc/iscsi/iscsid.conf
The default setting for MaxRecvDataSegmentLength (131072) is too big,
replace "node.conn[0].iscsi.MaxRecvDataSegmentLength" to be a value no
bigger than 15360 (for example 8192):
The default setting for MaxRecvDataSegmentLength (131072) is too big;
replace with a value no bigger than 15360 (for example 8192):
node.conn[0].iscsi.MaxRecvDataSegmentLength = 8192

17
MAINTAINERS
View File

@ -692,6 +692,13 @@ M: kernel@wantstofly.org
L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
S: Maintained
ARM/NUVOTON W90X900 ARM ARCHITECTURE
P: Wan ZongShun
M: mcuos.com@gmail.com
L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
W: http://www.mcuos.com
S: Maintained
ARPD SUPPORT
P: Jonathan Layes
L: netdev@vger.kernel.org
@ -2001,7 +2008,7 @@ S: Maintained
HIBERNATION (aka Software Suspend, aka swsusp)
P: Pavel Machek
M: pavel@suse.cz
M: pavel@ucw.cz
P: Rafael J. Wysocki
M: rjw@sisk.pl
L: linux-pm@lists.linux-foundation.org
@ -2457,7 +2464,7 @@ S: Maintained
ISDN SUBSYSTEM
P: Karsten Keil
M: kkeil@suse.de
M: isdn@linux-pingi.de
L: isdn4linux@listserv.isdn4linux.de (subscribers-only)
W: http://www.isdn4linux.de
T: git kernel.org:/pub/scm/linux/kernel/kkeil/isdn-2.6.git
@ -3327,8 +3334,8 @@ P: Jeremy Fitzhardinge
M: jeremy@xensource.com
P: Chris Wright
M: chrisw@sous-sol.org
P: Zachary Amsden
M: zach@vmware.com
P: Alok Kataria
M: akataria@vmware.com
P: Rusty Russell
M: rusty@rustcorp.com.au
L: virtualization@lists.osdl.org
@ -4172,7 +4179,7 @@ SUSPEND TO RAM
P: Len Brown
M: len.brown@intel.com
P: Pavel Machek
M: pavel@suse.cz
M: pavel@ucw.cz
P: Rafael J. Wysocki
M: rjw@sisk.pl
L: linux-pm@lists.linux-foundation.org

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 29
EXTRAVERSION = -rc5
EXTRAVERSION = -rc7
NAME = Erotic Pickled Herring
# *DOCUMENTATION*

2
README
View File

@ -188,7 +188,7 @@ CONFIGURING the kernel:
values to random values.
You can find more information on using the Linux kernel config tools
in Documentation/kbuild/make-configs.txt.
in Documentation/kbuild/kconfig.txt.
NOTES on "make config":
- having unnecessary drivers will make the kernel bigger, and can

2
arch/arm/configs/at91sam9260ek_defconfig
View File

@ -608,7 +608,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
# Watchdog Device Drivers
#
# CONFIG_SOFT_WATCHDOG is not set
CONFIG_AT91SAM9_WATCHDOG=y
CONFIG_AT91SAM9X_WATCHDOG=y
#
# USB-based Watchdog Cards

2
arch/arm/configs/at91sam9261ek_defconfig
View File

@ -700,7 +700,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
# Watchdog Device Drivers
#
# CONFIG_SOFT_WATCHDOG is not set
CONFIG_AT91SAM9_WATCHDOG=y
CONFIG_AT91SAM9X_WATCHDOG=y
#
# USB-based Watchdog Cards

2
arch/arm/configs/at91sam9263ek_defconfig
View File

@ -710,7 +710,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
# Watchdog Device Drivers
#
# CONFIG_SOFT_WATCHDOG is not set
CONFIG_AT91SAM9_WATCHDOG=y
CONFIG_AT91SAM9X_WATCHDOG=y
#
# USB-based Watchdog Cards

2
arch/arm/configs/at91sam9rlek_defconfig
View File

@ -606,7 +606,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
# Watchdog Device Drivers
#
# CONFIG_SOFT_WATCHDOG is not set
CONFIG_AT91SAM9_WATCHDOG=y
CONFIG_AT91SAM9X_WATCHDOG=y
#
# Sonics Silicon Backplane

2
arch/arm/configs/qil-a9260_defconfig
View File

@ -727,7 +727,7 @@ CONFIG_WATCHDOG_NOWAYOUT=y
# Watchdog Device Drivers
#
# CONFIG_SOFT_WATCHDOG is not set
# CONFIG_AT91SAM9_WATCHDOG is not set
# CONFIG_AT91SAM9X_WATCHDOG is not set
#
# USB-based Watchdog Cards

4
arch/arm/kernel/elf.c
View File

@ -74,9 +74,9 @@ EXPORT_SYMBOL(elf_set_personality);
*/
int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack)
{
if (executable_stack != EXSTACK_ENABLE_X)
if (executable_stack != EXSTACK_DISABLE_X)
return 1;
if (cpu_architecture() <= CPU_ARCH_ARMv6)
if (cpu_architecture() < CPU_ARCH_ARMv6)
return 1;
return 0;
}

7
arch/arm/kernel/setup.c
View File

@ -233,12 +233,13 @@ static void __init cacheid_init(void)
unsigned int cachetype = read_cpuid_cachetype();
unsigned int arch = cpu_architecture();
if (arch >= CPU_ARCH_ARMv7) {
if (arch >= CPU_ARCH_ARMv6) {
if ((cachetype & (7 << 29)) == 4 << 29) {
/* ARMv7 register format */
cacheid = CACHEID_VIPT_NONALIASING;
if ((cachetype & (3 << 14)) == 1 << 14)
cacheid |= CACHEID_ASID_TAGGED;
} else if (arch >= CPU_ARCH_ARMv6) {
if (cachetype & (1 << 23))
} else if (cachetype & (1 << 23))
cacheid = CACHEID_VIPT_ALIASING;
else
cacheid = CACHEID_VIPT_NONALIASING;

2
arch/arm/mach-at91/at91cap9_devices.c
View File

@ -697,7 +697,7 @@ static void __init at91_add_device_rtt(void)
* Watchdog
* -------------------------------------------------------------------- */
#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
static struct platform_device at91cap9_wdt_device = {
.name = "at91_wdt",
.id = -1,

2
arch/arm/mach-at91/at91sam9260_devices.c
View File

@ -643,7 +643,7 @@ static void __init at91_add_device_rtt(void)
* Watchdog
* -------------------------------------------------------------------- */
#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
static struct platform_device at91sam9260_wdt_device = {
.name = "at91_wdt",
.id = -1,

2
arch/arm/mach-at91/at91sam9261_devices.c
View File

@ -621,7 +621,7 @@ static void __init at91_add_device_rtt(void)
* Watchdog
* -------------------------------------------------------------------- */
#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
static struct platform_device at91sam9261_wdt_device = {
.name = "at91_wdt",
.id = -1,

107
arch/arm/mach-at91/at91sam9263_devices.c
View File

@ -347,6 +347,111 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
#endif
/* --------------------------------------------------------------------
* Compact Flash (PCMCIA or IDE)
* -------------------------------------------------------------------- */
#if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) || \
defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE)
static struct at91_cf_data cf0_data;
static struct resource cf0_resources[] = {
[0] = {
.start = AT91_CHIPSELECT_4,
.end = AT91_CHIPSELECT_4 + SZ_256M - 1,
.flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
}
};
static struct platform_device cf0_device = {
.id = 0,
.dev = {
.platform_data = &cf0_data,
},
.resource = cf0_resources,
.num_resources = ARRAY_SIZE(cf0_resources),
};
static struct at91_cf_data cf1_data;
static struct resource cf1_resources[] = {
[0] = {
.start = AT91_CHIPSELECT_5,
.end = AT91_CHIPSELECT_5 + SZ_256M - 1,
.flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
}
};
static struct platform_device cf1_device = {
.id = 1,
.dev = {
.platform_data = &cf1_data,
},
.resource = cf1_resources,
.num_resources = ARRAY_SIZE(cf1_resources),
};
void __init at91_add_device_cf(struct at91_cf_data *data)
{
unsigned long ebi0_csa;
struct platform_device *pdev;
if (!data)
return;
/*
* assign CS4 or CS5 to SMC with Compact Flash logic support,
* we assume SMC timings are configured by board code,
* except True IDE where timings are controlled by driver
*/
ebi0_csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
switch (data->chipselect) {
case 4:
at91_set_A_periph(AT91_PIN_PD6, 0); /* EBI0_NCS4/CFCS0 */
ebi0_csa |= AT91_MATRIX_EBI0_CS4A_SMC_CF1;
cf0_data = *data;
pdev = &cf0_device;
break;
case 5:
at91_set_A_periph(AT91_PIN_PD7, 0); /* EBI0_NCS5/CFCS1 */
ebi0_csa |= AT91_MATRIX_EBI0_CS5A_SMC_CF2;
cf1_data = *data;
pdev = &cf1_device;
break;
default:
printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
data->chipselect);
return;
}
at91_sys_write(AT91_MATRIX_EBI0CSA, ebi0_csa);
if (data->det_pin) {
at91_set_gpio_input(data->det_pin, 1);
at91_set_deglitch(data->det_pin, 1);
}
if (data->irq_pin) {
at91_set_gpio_input(data->irq_pin, 1);
at91_set_deglitch(data->irq_pin, 1);
}
if (data->vcc_pin)
/* initially off */
at91_set_gpio_output(data->vcc_pin, 0);
/* enable EBI controlled pins */
at91_set_A_periph(AT91_PIN_PD5, 1); /* NWAIT */
at91_set_A_periph(AT91_PIN_PD8, 0); /* CFCE1 */
at91_set_A_periph(AT91_PIN_PD9, 0); /* CFCE2 */
at91_set_A_periph(AT91_PIN_PD14, 0); /* CFNRW */
pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "at91_ide" : "at91_cf";
platform_device_register(pdev);
}
#else
void __init at91_add_device_cf(struct at91_cf_data *data) {}
#endif
/* --------------------------------------------------------------------
* NAND / SmartMedia
@ -854,7 +959,7 @@ static void __init at91_add_device_rtt(void)
* Watchdog
* -------------------------------------------------------------------- */
#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
static struct platform_device at91sam9263_wdt_device = {
.name = "at91_wdt",
.id = -1,

2
arch/arm/mach-at91/at91sam9rl_devices.c
View File

@ -609,7 +609,7 @@ static void __init at91_add_device_rtt(void)
* Watchdog
* -------------------------------------------------------------------- */
#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
static struct platform_device at91sam9rl_wdt_device = {
.name = "at91_wdt",
.id = -1,

15
arch/arm/mach-at91/gpio.c
View File

@ -490,7 +490,8 @@ postcore_initcall(at91_gpio_debugfs_init);
/*--------------------------------------------------------------------------*/
/* This lock class tells lockdep that GPIO irqs are in a different
/*
* This lock class tells lockdep that GPIO irqs are in a different
* category than their parents, so it won't report false recursion.
*/
static struct lock_class_key gpio_lock_class;
@ -509,9 +510,6 @@ void __init at91_gpio_irq_setup(void)
unsigned id = this->id;
unsigned i;
/* enable PIO controller's clock */
clk_enable(this->clock);
__raw_writel(~0, this->regbase + PIO_IDR);
for (i = 0, pin = this->chipbase; i < 32; i++, pin++) {
@ -556,7 +554,14 @@ void __init at91_gpio_init(struct at91_gpio_bank *data, int nr_banks)
data->chipbase = PIN_BASE + i * 32;
data->regbase = data->offset + (void __iomem *)AT91_VA_BASE_SYS;
/* AT91SAM9263_ID_PIOCDE groups PIOC, PIOD, PIOE */
/* enable PIO controller's clock */
clk_enable(data->clock);
/*
* Some processors share peripheral ID between multiple GPIO banks.
* SAM9263 (PIOC, PIOD, PIOE)
* CAP9 (PIOA, PIOB, PIOC, PIOD)
*/
if (last && last->id == data->id)
last->next = data;
}

4
arch/arm/mach-at91/include/mach/board.h
View File

@ -56,6 +56,9 @@ struct at91_cf_data {
u8 vcc_pin; /* power switching */
u8 rst_pin; /* card reset */
u8 chipselect; /* EBI Chip Select number */
u8 flags;
#define AT91_CF_TRUE_IDE 0x01
#define AT91_IDE_SWAP_A0_A2 0x02
};
extern void __init at91_add_device_cf(struct at91_cf_data *data);
@ -93,6 +96,7 @@ struct atmel_nand_data {
u8 enable_pin; /* chip enable */
u8 det_pin; /* card detect */
u8 rdy_pin; /* ready/busy */
u8 rdy_pin_active_low; /* rdy_pin value is inverted */
u8 ale; /* address line number connected to ALE */
u8 cle; /* address line number connected to CLE */
u8 bus_width_16; /* buswidth is 16 bit */

1
arch/arm/mach-at91/pm.c
View File

@ -332,7 +332,6 @@ static int at91_pm_enter(suspend_state_t state)
at91_sys_read(AT91_AIC_IPR) & at91_sys_read(AT91_AIC_IMR));
error:
sdram_selfrefresh_disable();
target_state = PM_SUSPEND_ON;
at91_irq_resume();
at91_gpio_resume();

6
arch/arm/mach-davinci/board-evm.c
View File

@ -311,6 +311,9 @@ evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
gpio_request(gpio + 7, "nCF_SEL");
gpio_direction_output(gpio + 7, 1);
/* irlml6401 sustains over 3A, switches 5V in under 8 msec */
setup_usb(500, 8);
return 0;
}
@ -417,9 +420,6 @@ static __init void davinci_evm_init(void)
platform_add_devices(davinci_evm_devices,
ARRAY_SIZE(davinci_evm_devices));
evm_init_i2c();
/* irlml6401 sustains over 3A, switches 5V in under 8 msec */
setup_usb(500, 8);
}
static __init void davinci_evm_irq_init(void)

5
arch/arm/mach-davinci/clock.c
View File

@ -230,6 +230,11 @@ static struct clk davinci_clks[] = {
.rate = &commonrate,
.lpsc = DAVINCI_LPSC_GPIO,
},
{
.name = "usb",
.rate = &commonrate,
.lpsc = DAVINCI_LPSC_USB,
},
{
.name = "AEMIFCLK",
.rate = &commonrate,

1
arch/arm/mach-davinci/usb.c
View File

@ -47,6 +47,7 @@ static struct musb_hdrc_platform_data usb_data = {
#elif defined(CONFIG_USB_MUSB_HOST)
.mode = MUSB_HOST,
#endif
.clock = "usb",
.config = &musb_config,
};

3
arch/arm/mach-ep93xx/include/mach/gesbc9312.h
View File

@ -1,3 +0,0 @@
/*
* arch/arm/mach-ep93xx/include/mach/gesbc9312.h
*/

1
arch/arm/mach-ep93xx/include/mach/hardware.h
View File

@ -10,7 +10,6 @@
#include "platform.h"
#include "gesbc9312.h"
#include "ts72xx.h"
#endif

2
arch/arm/mach-kirkwood/irq.c
View File

@ -42,7 +42,7 @@ void __init kirkwood_init_irq(void)
writel(0, GPIO_EDGE_CAUSE(32));
for (i = IRQ_KIRKWOOD_GPIO_START; i < NR_IRQS; i++) {
set_irq_chip(i, &orion_gpio_irq_level_chip);
set_irq_chip(i, &orion_gpio_irq_chip);
set_irq_handler(i, handle_level_irq);
irq_desc[i].status |= IRQ_LEVEL;
set_irq_flags(i, IRQF_VALID);

2
arch/arm/mach-mv78xx0/irq.c
View File

@ -40,7 +40,7 @@ void __init mv78xx0_init_irq(void)
writel(0, GPIO_EDGE_CAUSE(0));
for (i = IRQ_MV78XX0_GPIO_START; i < NR_IRQS; i++) {
set_irq_chip(i, &orion_gpio_irq_level_chip);
set_irq_chip(i, &orion_gpio_irq_chip);
set_irq_handler(i, handle_level_irq);
irq_desc[i].status |= IRQ_LEVEL;
set_irq_flags(i, IRQF_VALID);

2
arch/arm/mach-omap2/board-ldp.c
View File

@ -81,7 +81,7 @@ static inline void __init ldp_init_smc911x(void)
}
ldp_smc911x_resources[0].start = cs_mem_base + 0x0;
ldp_smc911x_resources[0].end = cs_mem_base + 0xf;
ldp_smc911x_resources[0].end = cs_mem_base + 0xff;
udelay(100);
eth_gpio = LDP_SMC911X_GPIO;

16
arch/arm/mach-omap2/clock.c
View File

@ -565,7 +565,7 @@ u32 omap2_clksel_to_divisor(struct clk *clk, u32 field_val)
*
* Given a struct clk of a rate-selectable clksel clock, and a clock divisor,
* find the corresponding register field value. The return register value is
* the value before left-shifting. Returns 0xffffffff on error
* the value before left-shifting. Returns ~0 on error
*/
u32 omap2_divisor_to_clksel(struct clk *clk, u32 div)
{
@ -577,7 +577,7 @@ u32 omap2_divisor_to_clksel(struct clk *clk, u32 div)
clks = omap2_get_clksel_by_parent(clk, clk->parent);
if (clks == NULL)
return 0;
return ~0;
for (clkr = clks->rates; clkr->div; clkr++) {
if ((clkr->flags & cpu_mask) && (clkr->div == div))
@ -588,7 +588,7 @@ u32 omap2_divisor_to_clksel(struct clk *clk, u32 div)
printk(KERN_ERR "clock: Could not find divisor %d for "
"clock %s parent %s\n", div, clk->name,
clk->parent->name);
return 0;
return ~0;
}
return clkr->val;
@ -708,7 +708,7 @@ static u32 omap2_clksel_get_src_field(void __iomem **src_addr,
return 0;
for (clkr = clks->rates; clkr->div; clkr++) {
if (clkr->flags & (cpu_mask | DEFAULT_RATE))
if (clkr->flags & cpu_mask && clkr->flags & DEFAULT_RATE)
break; /* Found the default rate for this platform */
}
@ -746,7 +746,7 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
return -EINVAL;
if (clk->usecount > 0)
_omap2_clk_disable(clk);
omap2_clk_disable(clk);
/* Set new source value (previous dividers if any in effect) */
reg_val = __raw_readl(src_addr) & ~field_mask;
@ -759,11 +759,11 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
wmb();
}
if (clk->usecount > 0)
_omap2_clk_enable(clk);
clk->parent = new_parent;
if (clk->usecount > 0)
omap2_clk_enable(clk);
/* CLKSEL clocks follow their parents' rates, divided by a divisor */
clk->rate = new_parent->rate;

2
arch/arm/mach-orion5x/irq.c
View File

@ -44,7 +44,7 @@ void __init orion5x_init_irq(void)
* User can use set_type() if he wants to use edge types handlers.
*/
for (i = IRQ_ORION5X_GPIO_START; i < NR_IRQS; i++) {
set_irq_chip(i, &orion_gpio_irq_level_chip);
set_irq_chip(i, &orion_gpio_irq_chip);
set_irq_handler(i, handle_level_irq);
irq_desc[i].status |= IRQ_LEVEL;
set_irq_flags(i, IRQF_VALID);

6
arch/arm/mach-rpc/riscpc.c
View File

@ -19,6 +19,7 @@
#include <linux/serial_8250.h>
#include <linux/ata_platform.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <asm/elf.h>
#include <asm/mach-types.h>
@ -201,8 +202,13 @@ static struct platform_device *devs[] __initdata = {
&pata_device,
};
static struct i2c_board_info i2c_rtc = {
I2C_BOARD_INFO("pcf8583", 0x50)
};
static int __init rpc_init(void)
{
i2c_register_board_info(0, &i2c_rtc, 1);
return platform_add_devices(devs, ARRAY_SIZE(devs));
}

3
arch/arm/mm/abort-ev6.S
View File

@ -23,7 +23,8 @@ ENTRY(v6_early_abort)
#ifdef CONFIG_CPU_32v6K
clrex
#else
strex r0, r1, [sp] @ Clear the exclusive monitor
sub r1, sp, #4 @ Get unused stack location
strex r0, r1, [r1] @ Clear the exclusive monitor
#endif
mrc p15, 0, r1, c5, c0, 0 @ get FSR
mrc p15, 0, r0, c6, c0, 0 @ get FAR

3
arch/arm/mm/mmu.c
View File

@ -693,7 +693,8 @@ static void __init sanity_check_meminfo(void)
* Check whether this memory bank would entirely overlap
* the vmalloc area.
*/
if (__va(bank->start) >= VMALLOC_MIN) {
if (__va(bank->start) >= VMALLOC_MIN ||
__va(bank->start) < PAGE_OFFSET) {
printk(KERN_NOTICE "Ignoring RAM at %.8lx-%.8lx "
"(vmalloc region overlap).\n",
bank->start, bank->start + bank->size - 1);

73
arch/arm/plat-orion/gpio.c
View File

@ -265,51 +265,36 @@ EXPORT_SYMBOL(orion_gpio_set_blink);
* polarity LEVEL mask
*
****************************************************************************/
static void gpio_irq_edge_ack(u32 irq)
{
int pin = irq_to_gpio(irq);
static void gpio_irq_ack(u32 irq)
{
int type = irq_desc[irq].status & IRQ_TYPE_SENSE_MASK;
if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) {
int pin = irq_to_gpio(irq);
writel(~(1 << (pin & 31)), GPIO_EDGE_CAUSE(pin));
}
}
static void gpio_irq_edge_mask(u32 irq)
static void gpio_irq_mask(u32 irq)
{
int pin = irq_to_gpio(irq);
u32 u;
u = readl(GPIO_EDGE_MASK(pin));
int type = irq_desc[irq].status & IRQ_TYPE_SENSE_MASK;
u32 reg = (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) ?
GPIO_EDGE_MASK(pin) : GPIO_LEVEL_MASK(pin);
u32 u = readl(reg);
u &= ~(1 << (pin & 31));
writel(u, GPIO_EDGE_MASK(pin));
writel(u, reg);
}
static void gpio_irq_edge_unmask(u32 irq)
static void gpio_irq_unmask(u32 irq)
{
int pin = irq_to_gpio(irq);
u32 u;
u = readl(GPIO_EDGE_MASK(pin));
int type = irq_desc[irq].status & IRQ_TYPE_SENSE_MASK;
u32 reg = (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) ?
GPIO_EDGE_MASK(pin) : GPIO_LEVEL_MASK(pin);
u32 u = readl(reg);
u |= 1 << (pin & 31);
writel(u, GPIO_EDGE_MASK(pin));
}
static void gpio_irq_level_mask(u32 irq)
{
int pin = irq_to_gpio(irq);
u32 u;
u = readl(GPIO_LEVEL_MASK(pin));
u &= ~(1 << (pin & 31));
writel(u, GPIO_LEVEL_MASK(pin));
}
static void gpio_irq_level_unmask(u32 irq)
{
int pin = irq_to_gpio(irq);
u32 u;
u = readl(GPIO_LEVEL_MASK(pin));
u |= 1 << (pin & 31);
writel(u, GPIO_LEVEL_MASK(pin));
writel(u, reg);
}
static int gpio_irq_set_type(u32 irq, u32 type)
@ -331,9 +316,9 @@ static int gpio_irq_set_type(u32 irq, u32 type)
* Set edge/level type.
*/
if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) {
desc->chip = &orion_gpio_irq_edge_chip;
desc->handle_irq = handle_edge_irq;
} else if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) {
desc->chip = &orion_gpio_irq_level_chip;
desc->handle_irq = handle_level_irq;
} else {
printk(KERN_ERR "failed to set irq=%d (type=%d)\n", irq, type);
return -EINVAL;
@ -371,19 +356,11 @@ static int gpio_irq_set_type(u32 irq, u32 type)
return 0;
}
struct irq_chip orion_gpio_irq_edge_chip = {
.name = "orion_gpio_irq_edge",
.ack = gpio_irq_edge_ack,
.mask = gpio_irq_edge_mask,
.unmask = gpio_irq_edge_unmask,
.set_type = gpio_irq_set_type,
};
struct irq_chip orion_gpio_irq_level_chip = {
.name = "orion_gpio_irq_level",
.mask = gpio_irq_level_mask,
.mask_ack = gpio_irq_level_mask,
.unmask = gpio_irq_level_unmask,
struct irq_chip orion_gpio_irq_chip = {
.name = "orion_gpio",
.ack = gpio_irq_ack,
.mask = gpio_irq_mask,
.unmask = gpio_irq_unmask,
.set_type = gpio_irq_set_type,
};

3
arch/arm/plat-orion/include/plat/gpio.h
View File

@ -31,8 +31,7 @@ void orion_gpio_set_blink(unsigned pin, int blink);
/*
* GPIO interrupt handling.
*/
extern struct irq_chip orion_gpio_irq_edge_chip;
extern struct irq_chip orion_gpio_irq_level_chip;
extern struct irq_chip orion_gpio_irq_chip;
void orion_gpio_irq_handler(int irqoff);

2
arch/arm/plat-s3c64xx/irq-eint.c
View File

@ -55,7 +55,7 @@ static void s3c_irq_eint_unmask(unsigned int irq)
u32 mask;
mask = __raw_readl(S3C64XX_EINT0MASK);
mask |= eint_irq_to_bit(irq);
mask &= ~eint_irq_to_bit(irq);
__raw_writel(mask, S3C64XX_EINT0MASK);
}

1
arch/avr32/mach-at32ap/include/mach/board.h
View File

@ -116,6 +116,7 @@ struct atmel_nand_data {
int enable_pin; /* chip enable */
int det_pin; /* card detect */
int rdy_pin; /* ready/busy */
u8 rdy_pin_active_low; /* rdy_pin value is inverted */
u8 ale; /* address line number connected to ALE */
u8 cle; /* address line number connected to CLE */
u8 bus_width_16; /* buswidth is 16 bit */

7
arch/blackfin/Kconfig
View File

@ -1129,6 +1129,7 @@ endchoice
config PM_WAKEUP_BY_GPIO
bool "Allow Wakeup from Standby by GPIO"
depends on PM && !BF54x
config PM_WAKEUP_GPIO_NUMBER
int "GPIO number"
@ -1168,6 +1169,12 @@ config PM_BFIN_WAKE_GP
default n
help
Enable General-Purpose Wake-Up (Voltage Regulator Power-Up)
(all processors, except ADSP-BF549). This option sets
the general-purpose wake-up enable (GPWE) control bit to enable
wake-up upon detection of an active low signal on the /GPW (PH7) pin.
On ADSP-BF549 this option enables the the same functionality on the
/MRXON pin also PH7.
endmenu
menu "CPU Frequency scaling"

6
arch/blackfin/Kconfig.debug
View File

@ -21,12 +21,6 @@ config DEBUG_STACK_USAGE
config HAVE_ARCH_KGDB
def_bool y
config KGDB_TESTCASE
tristate "KGDB: for test case in expect"
default n
help
This is a kgdb test case for automated testing.
config DEBUG_VERBOSE
bool "Verbose fault messages"
default y

63
arch/blackfin/configs/BF518F-EZBRD_defconfig
View File

@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.28-rc2
# Fri Jan 9 17:58:41 2009
# Linux kernel version: 2.6.28
# Fri Feb 20 10:01:44 2009
#
# CONFIG_MMU is not set
# CONFIG_FPU is not set
@ -133,10 +133,15 @@ CONFIG_BF518=y
# CONFIG_BF538 is not set
# CONFIG_BF539 is not set
# CONFIG_BF542 is not set
# CONFIG_BF542M is not set
# CONFIG_BF544 is not set
# CONFIG_BF544M is not set
# CONFIG_BF547 is not set
# CONFIG_BF547M is not set
# CONFIG_BF548 is not set
# CONFIG_BF548M is not set
# CONFIG_BF549 is not set
# CONFIG_BF549M is not set
# CONFIG_BF561 is not set
CONFIG_BF_REV_MIN=0
CONFIG_BF_REV_MAX=2
@ -426,7 +431,17 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_NET_DSA is not set
CONFIG_NET_DSA=y
# CONFIG_NET_DSA_TAG_DSA is not set
# CONFIG_NET_DSA_TAG_EDSA is not set
# CONFIG_NET_DSA_TAG_TRAILER is not set
CONFIG_NET_DSA_TAG_STPID=y
# CONFIG_NET_DSA_MV88E6XXX is not set
# CONFIG_NET_DSA_MV88E6060 is not set
# CONFIG_NET_DSA_MV88E6XXX_NEED_PPU is not set
# CONFIG_NET_DSA_MV88E6131 is not set
# CONFIG_NET_DSA_MV88E6123_61_65 is not set
CONFIG_NET_DSA_KSZ8893M=y
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
# CONFIG_LLC2 is not set
@ -529,6 +544,8 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
#
# Self-contained MTD device drivers
#
# CONFIG_MTD_DATAFLASH is not set
# CONFIG_MTD_M25P80 is not set
# CONFIG_MTD_SLRAM is not set
# CONFIG_MTD_PHRAM is not set
# CONFIG_MTD_MTDRAM is not set
@ -561,7 +578,9 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
# CONFIG_BLK_DEV_HD is not set
CONFIG_MISC_DEVICES=y
# CONFIG_EEPROM_93CX6 is not set
# CONFIG_ICS932S401 is not set
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_C2PORT is not set
CONFIG_HAVE_IDE=y
# CONFIG_IDE is not set
@ -607,6 +626,7 @@ CONFIG_BFIN_RX_DESC_NUM=20
# CONFIG_SMC91X is not set
# CONFIG_SMSC911X is not set
# CONFIG_DM9000 is not set
# CONFIG_ENC28J60 is not set
# CONFIG_IBM_NEW_EMAC_ZMII is not set
# CONFIG_IBM_NEW_EMAC_RGMII is not set
# CONFIG_IBM_NEW_EMAC_TAH is not set
@ -764,7 +784,23 @@ CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
# 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_BFIN=y
# CONFIG_SPI_BFIN_LOCK is not set
# CONFIG_SPI_BITBANG is not set
#
# SPI Protocol Masters
#
# CONFIG_SPI_AT25 is not set
# CONFIG_SPI_SPIDEV is not set
# CONFIG_SPI_TLE62X0 is not set
CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
# CONFIG_GPIOLIB is not set
# CONFIG_W1 is not set
@ -788,8 +824,10 @@ CONFIG_BFIN_WDT=y
# CONFIG_MFD_SM501 is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_PMIC_DA903X is not set
# CONFIG_MFD_WM8400 is not set
# CONFIG_MFD_WM8350_I2C is not set
# CONFIG_REGULATOR is not set
#
# Multimedia devices
@ -861,10 +899,18 @@ CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_DRV_M41T80 is not set
# CONFIG_RTC_DRV_S35390A is not set
# CONFIG_RTC_DRV_FM3130 is not set
# CONFIG_RTC_DRV_RX8581 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
#
# Platform RTC drivers
@ -1062,12 +1108,20 @@ CONFIG_DEBUG_INFO=y
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_FAULT_INJECTION is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
#
# Tracers
#
# CONFIG_SCHED_TRACER is not set
# CONFIG_CONTEXT_SWITCH_TRACER is not set
# CONFIG_BOOT_TRACER is not set
# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
# CONFIG_DEBUG_STACKOVERFLOW is not set
# CONFIG_DEBUG_STACK_USAGE is not set
# CONFIG_KGDB_TESTCASE is not set
CONFIG_DEBUG_VERBOSE=y
CONFIG_DEBUG_MMRS=y
# CONFIG_DEBUG_HWERR is not set
@ -1100,6 +1154,7 @@ CONFIG_CRYPTO=y
#
# CONFIG_CRYPTO_FIPS is not set
# CONFIG_CRYPTO_MANAGER is not set
# CONFIG_CRYPTO_MANAGER2 is not set
# CONFIG_CRYPTO_GF128MUL is not set
# CONFIG_CRYPTO_NULL is not set
# CONFIG_CRYPTO_CRYPTD is not set

4
arch/blackfin/configs/BF527-EZKIT_defconfig
View File

@ -327,8 +327,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
# CONFIG_MPU is not set
#

4
arch/blackfin/configs/BF533-EZKIT_defconfig
View File

@ -290,8 +290,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
# CONFIG_MPU is not set
#

4
arch/blackfin/configs/BF533-STAMP_defconfig
View File

@ -290,8 +290,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
# CONFIG_MPU is not set
#

14
arch/blackfin/configs/BF537-STAMP_defconfig
View File

@ -298,8 +298,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
# CONFIG_MPU is not set
#
@ -568,15 +568,7 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2
# CONFIG_MTD_DOC2000 is not set
# CONFIG_MTD_DOC2001 is not set
# CONFIG_MTD_DOC2001PLUS is not set
CONFIG_MTD_NAND=m
# CONFIG_MTD_NAND_VERIFY_WRITE is not set
# CONFIG_MTD_NAND_ECC_SMC is not set
# CONFIG_MTD_NAND_MUSEUM_IDS is not set
# CONFIG_MTD_NAND_BFIN is not set
CONFIG_MTD_NAND_IDS=m
# CONFIG_MTD_NAND_DISKONCHIP is not set
# CONFIG_MTD_NAND_NANDSIM is not set
CONFIG_MTD_NAND_PLATFORM=m
# CONFIG_MTD_NAND is not set
# CONFIG_MTD_ONENAND is not set
#

4
arch/blackfin/configs/BF538-EZKIT_defconfig
View File

@ -306,8 +306,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
# CONFIG_MPU is not set
#

6
arch/blackfin/configs/BF548-EZKIT_defconfig
View File

@ -361,8 +361,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
# CONFIG_BFIN_L2_CACHEABLE is not set
# CONFIG_MPU is not set
@ -680,7 +680,7 @@ CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
# CONFIG_SCSI_TGT is not set
# CONFIG_SCSI_NETLINK is not set
CONFIG_SCSI_PROC_FS=y
# CONFIG_SCSI_PROC_FS is not set
#
# SCSI support type (disk, tape, CD-ROM)

4
arch/blackfin/configs/BF561-EZKIT_defconfig
View File

@ -329,8 +329,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
# CONFIG_BFIN_L2_CACHEABLE is not set
# CONFIG_MPU is not set

4
arch/blackfin/configs/BlackStamp_defconfig
View File

@ -288,8 +288,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
# CONFIG_MPU is not set
#

4
arch/blackfin/configs/CM-BF527_defconfig
View File

@ -332,8 +332,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
# CONFIG_MPU is not set
#

6
arch/blackfin/configs/CM-BF548_defconfig
View File

@ -336,8 +336,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
CONFIG_L1_MAX_PIECE=16
# CONFIG_MPU is not set
@ -595,7 +595,7 @@ CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
# CONFIG_SCSI_TGT is not set
# CONFIG_SCSI_NETLINK is not set
CONFIG_SCSI_PROC_FS=y
# CONFIG_SCSI_PROC_FS is not set
#
# SCSI support type (disk, tape, CD-ROM)

2
arch/blackfin/configs/IP0X_defconfig
View File

@ -612,7 +612,7 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
CONFIG_SCSI=y
# CONFIG_SCSI_TGT is not set
# CONFIG_SCSI_NETLINK is not set
CONFIG_SCSI_PROC_FS=y
# CONFIG_SCSI_PROC_FS is not set
#
# SCSI support type (disk, tape, CD-ROM)

4
arch/blackfin/configs/SRV1_defconfig
View File

@ -282,8 +282,8 @@ CONFIG_BFIN_ICACHE=y
CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_DCACHE_BANKA is not set
# CONFIG_BFIN_ICACHE_LOCK is not set
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_BFIN_WB=y
# CONFIG_BFIN_WT is not set
CONFIG_L1_MAX_PIECE=16
#

1
arch/blackfin/include/asm/Kbuild
View File

@ -1,3 +1,4 @@
include include/asm-generic/Kbuild.asm
unifdef-y += bfin_sport.h
unifdef-y += fixed_code.h

41
arch/blackfin/include/asm/bfin_sport.h
View File

@ -1,30 +1,9 @@
/*
* File: include/asm-blackfin/bfin_sport.h
* Based on:
* Author: Roy Huang (roy.huang@analog.com)
* bfin_sport.h - userspace header for bfin sport driver
*
* Created: Thu Aug. 24 2006
* Description:
* Copyright 2004-2008 Analog Devices Inc.
*
* Modified:
* Copyright 2004-2006 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* Licensed under the GPL-2 or later.
*/
#ifndef __BFIN_SPORT_H__
@ -42,7 +21,6 @@
#define NORM_FORMAT 0x0
#define ALAW_FORMAT 0x2
#define ULAW_FORMAT 0x3
struct sport_register;
/* Function driver which use sport must initialize the structure */
struct sport_config {
@ -78,6 +56,12 @@ struct sport_config {
int dma_enabled;
};
/* Userspace interface */
#define SPORT_IOC_MAGIC 'P'
#define SPORT_IOC_CONFIG _IOWR('P', 0x01, struct sport_config)
#ifdef __KERNEL__
struct sport_register {
unsigned short tcr1;
unsigned short reserved0;
@ -117,9 +101,6 @@ struct sport_register {
unsigned long mrcs3;
};
#define SPORT_IOC_MAGIC 'P'
#define SPORT_IOC_CONFIG _IOWR('P', 0x01, struct sport_config)
struct sport_dev {
struct cdev cdev; /* Char device structure */
@ -149,6 +130,8 @@ struct sport_dev {
struct sport_config config;
};
#endif
#define SPORT_TCR1 0
#define SPORT_TCR2 1
#define SPORT_TCLKDIV 2
@ -169,4 +152,4 @@ struct sport_dev {
#define SPORT_MRCS2 22
#define SPORT_MRCS3 23
#endif /*__BFIN_SPORT_H__*/
#endif

98
arch/blackfin/include/asm/ipipe.h
View File

@ -35,9 +35,9 @@
#include <asm/atomic.h>
#include <asm/traps.h>
#define IPIPE_ARCH_STRING "1.8-00"
#define IPIPE_ARCH_STRING "1.9-00"
#define IPIPE_MAJOR_NUMBER 1
#define IPIPE_MINOR_NUMBER 8
#define IPIPE_MINOR_NUMBER 9
#define IPIPE_PATCH_NUMBER 0
#ifdef CONFIG_SMP
@ -83,9 +83,9 @@ struct ipipe_sysinfo {
"%2 = CYCLES2\n" \
"CC = %2 == %0\n" \
"if ! CC jump 1b\n" \
: "=r" (((unsigned long *)&t)[1]), \
"=r" (((unsigned long *)&t)[0]), \
"=r" (__cy2) \
: "=d,a" (((unsigned long *)&t)[1]), \
"=d,a" (((unsigned long *)&t)[0]), \
"=d,a" (__cy2) \
: /*no input*/ : "CC"); \
t; \
})
@ -118,35 +118,40 @@ void __ipipe_disable_irqdesc(struct ipipe_domain *ipd,
#define __ipipe_disable_irq(irq) (irq_desc[irq].chip->mask(irq))
#define __ipipe_lock_root() \
set_bit(IPIPE_ROOTLOCK_FLAG, &ipipe_root_domain->flags)
static inline int __ipipe_check_tickdev(const char *devname)
{
return 1;
}
#define __ipipe_unlock_root() \
clear_bit(IPIPE_ROOTLOCK_FLAG, &ipipe_root_domain->flags)
static inline void __ipipe_lock_root(void)
{
set_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status));
}
static inline void __ipipe_unlock_root(void)
{
clear_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status));
}
void __ipipe_enable_pipeline(void);
#define __ipipe_hook_critical_ipi(ipd) do { } while (0)
#define __ipipe_sync_pipeline(syncmask) \
do { \
struct ipipe_domain *ipd = ipipe_current_domain; \
if (likely(ipd != ipipe_root_domain || !test_bit(IPIPE_ROOTLOCK_FLAG, &ipd->flags))) \
__ipipe_sync_stage(syncmask); \
} while (0)
#define __ipipe_sync_pipeline ___ipipe_sync_pipeline
void ___ipipe_sync_pipeline(unsigned long syncmask);
void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs);
int __ipipe_get_irq_priority(unsigned irq);
int __ipipe_get_irqthread_priority(unsigned irq);
void __ipipe_stall_root_raw(void);
void __ipipe_unstall_root_raw(void);
void __ipipe_serial_debug(const char *fmt, ...);
asmlinkage void __ipipe_call_irqtail(unsigned long addr);
DECLARE_PER_CPU(struct pt_regs, __ipipe_tick_regs);
extern unsigned long __ipipe_core_clock;
@ -162,42 +167,25 @@ static inline unsigned long __ipipe_ffnz(unsigned long ul)
#define __ipipe_run_irqtail() /* Must be a macro */ \
do { \
asmlinkage void __ipipe_call_irqtail(void); \
unsigned long __pending; \
CSYNC(); \
__pending = bfin_read_IPEND(); \
if (__pending & 0x8000) { \
__pending &= ~0x8010; \
if (__pending && (__pending & (__pending - 1)) == 0) \
__ipipe_call_irqtail(); \
__ipipe_call_irqtail(__ipipe_irq_tail_hook); \
} \
} while (0)
#define __ipipe_run_isr(ipd, irq) \
do { \
if (ipd == ipipe_root_domain) { \
/* \
* Note: the I-pipe implements a threaded interrupt model on \
* this arch for Linux external IRQs. The interrupt handler we \
* call here only wakes up the associated IRQ thread. \
*/ \
if (ipipe_virtual_irq_p(irq)) { \
/* No irqtail here; virtual interrupts have no effect \
on IPEND so there is no need for processing \
deferral. */ \
local_irq_enable_nohead(ipd); \
local_irq_enable_hw(); \
if (ipipe_virtual_irq_p(irq)) \
ipd->irqs[irq].handler(irq, ipd->irqs[irq].cookie); \
local_irq_disable_nohead(ipd); \
} else \
/* \
* No need to run the irqtail here either; \
* we can't be preempted by hw IRQs, so \
* non-Linux IRQs cannot stack over the short \
* thread wakeup code. Which in turn means \
* that no irqtail condition could be pending \
* for domains above Linux in the pipeline. \
*/ \
else \
ipd->irqs[irq].handler(irq, &__raw_get_cpu_var(__ipipe_tick_regs)); \
local_irq_disable_hw(); \
} else { \
__clear_bit(IPIPE_SYNC_FLAG, &ipipe_cpudom_var(ipd, status)); \
local_irq_enable_nohead(ipd); \
@ -217,42 +205,24 @@ void ipipe_init_irq_threads(void);
int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc);
#define IS_SYSIRQ(irq) ((irq) > IRQ_CORETMR && (irq) <= SYS_IRQS)
#define IS_GPIOIRQ(irq) ((irq) >= GPIO_IRQ_BASE && (irq) < NR_IRQS)
#ifdef CONFIG_GENERIC_CLOCKEVENTS
#define IRQ_SYSTMR IRQ_CORETMR
#define IRQ_PRIOTMR IRQ_CORETMR
#else
#define IRQ_SYSTMR IRQ_TIMER0
#define IRQ_PRIOTMR CONFIG_IRQ_TIMER0
#endif
#if defined(CONFIG_BF531) || defined(CONFIG_BF532) || defined(CONFIG_BF533)
#define PRIO_GPIODEMUX(irq) CONFIG_PFA
#elif defined(CONFIG_BF534) || defined(CONFIG_BF536) || defined(CONFIG_BF537)
#define PRIO_GPIODEMUX(irq) CONFIG_IRQ_PROG_INTA
#elif defined(CONFIG_BF52x)
#define PRIO_GPIODEMUX(irq) ((irq) == IRQ_PORTF_INTA ? CONFIG_IRQ_PORTF_INTA : \
(irq) == IRQ_PORTG_INTA ? CONFIG_IRQ_PORTG_INTA : \
(irq) == IRQ_PORTH_INTA ? CONFIG_IRQ_PORTH_INTA : \
-1)
#elif defined(CONFIG_BF561)
#define PRIO_GPIODEMUX(irq) ((irq) == IRQ_PROG0_INTA ? CONFIG_IRQ_PROG0_INTA : \
(irq) == IRQ_PROG1_INTA ? CONFIG_IRQ_PROG1_INTA : \
(irq) == IRQ_PROG2_INTA ? CONFIG_IRQ_PROG2_INTA : \
-1)
#ifdef CONFIG_BF561
#define bfin_write_TIMER_DISABLE(val) bfin_write_TMRS8_DISABLE(val)
#define bfin_write_TIMER_ENABLE(val) bfin_write_TMRS8_ENABLE(val)
#define bfin_write_TIMER_STATUS(val) bfin_write_TMRS8_STATUS(val)
#define bfin_read_TIMER_STATUS() bfin_read_TMRS8_STATUS()
#elif defined(CONFIG_BF54x)
#define PRIO_GPIODEMUX(irq) ((irq) == IRQ_PINT0 ? CONFIG_IRQ_PINT0 : \
(irq) == IRQ_PINT1 ? CONFIG_IRQ_PINT1 : \
(irq) == IRQ_PINT2 ? CONFIG_IRQ_PINT2 : \
(irq) == IRQ_PINT3 ? CONFIG_IRQ_PINT3 : \
-1)
#define bfin_write_TIMER_DISABLE(val) bfin_write_TIMER_DISABLE0(val)
#define bfin_write_TIMER_ENABLE(val) bfin_write_TIMER_ENABLE0(val)
#define bfin_write_TIMER_STATUS(val) bfin_write_TIMER_STATUS0(val)
#define bfin_read_TIMER_STATUS(val) bfin_read_TIMER_STATUS0(val)
#else
# error "no PRIO_GPIODEMUX() for this part"
#endif
#define __ipipe_root_tick_p(regs) ((regs->ipend & 0x10) != 0)
@ -275,4 +245,6 @@ int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc);
#endif /* !CONFIG_IPIPE */
#define ipipe_update_tick_evtdev(evtdev) do { } while (0)
#endif /* !__ASM_BLACKFIN_IPIPE_H */

12
arch/blackfin/include/asm/ipipe_base.h
View File

@ -1,5 +1,5 @@
/* -*- linux-c -*-
* include/asm-blackfin/_baseipipe.h
* include/asm-blackfin/ipipe_base.h
*
* Copyright (C) 2007 Philippe Gerum.
*
@ -27,8 +27,9 @@
#define IPIPE_NR_XIRQS NR_IRQS
#define IPIPE_IRQ_ISHIFT 5 /* 2^5 for 32bits arch. */
/* Blackfin-specific, global domain flags */
#define IPIPE_ROOTLOCK_FLAG 1 /* Lock pipeline for root */
/* Blackfin-specific, per-cpu pipeline status */
#define IPIPE_SYNCDEFER_FLAG 15
#define IPIPE_SYNCDEFER_MASK (1L << IPIPE_SYNCDEFER_MASK)
/* Blackfin traps -- i.e. exception vector numbers */
#define IPIPE_NR_FAULTS 52 /* We leave a gap after VEC_ILL_RES. */
@ -48,11 +49,6 @@
#ifndef __ASSEMBLY__
#include <linux/bitops.h>
extern int test_bit(int nr, const void *addr);
extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */
static inline void __ipipe_stall_root(void)

26
arch/blackfin/include/asm/irq.h
View File

@ -65,16 +65,34 @@ void __ipipe_restore_root(unsigned long flags);
do { \
(x) = __ipipe_test_root() ? \
__all_masked_irq_flags : bfin_irq_flags; \
barrier(); \
} while (0)
#define local_irq_save(x) \
do { \
(x) = __ipipe_test_and_stall_root(); \
(x) = __ipipe_test_and_stall_root() ? \
__all_masked_irq_flags : bfin_irq_flags; \
barrier(); \
} while (0)
#define local_irq_restore(x) __ipipe_restore_root(x)
#define local_irq_disable() __ipipe_stall_root()
#define local_irq_enable() __ipipe_unstall_root()
static inline void local_irq_restore(unsigned long x)
{
barrier();
__ipipe_restore_root(x == __all_masked_irq_flags);
}
#define local_irq_disable() \
do { \
__ipipe_stall_root(); \
barrier(); \
} while (0)
static inline void local_irq_enable(void)
{
barrier();
__ipipe_unstall_root();
}
#define irqs_disabled() __ipipe_test_root()
#define local_save_flags_hw(x) \

2
arch/blackfin/include/asm/thread_info.h
View File

@ -122,6 +122,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_MEMDIE 4
#define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */
#define TIF_FREEZE 6 /* is freezing for suspend */
#define TIF_IRQ_SYNC 7 /* sync pipeline stage */
/* as above, but as bit values */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
@ -130,6 +131,7 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
#define _TIF_FREEZE (1<<TIF_FREEZE)
#define _TIF_IRQ_SYNC (1<<TIF_IRQ_SYNC)
#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */

8
arch/blackfin/kernel/Makefile
View File

@ -15,13 +15,15 @@ else
obj-y += time.o
endif
CFLAGS_kgdb_test.o := -mlong-calls -O0
obj-$(CONFIG_IPIPE) += ipipe.o
obj-$(CONFIG_IPIPE_TRACE_MCOUNT) += mcount.o
obj-$(CONFIG_BFIN_GPTIMERS) += gptimers.o
obj-$(CONFIG_CPLB_INFO) += cplbinfo.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_KGDB) += kgdb.o
obj-$(CONFIG_KGDB_TESTCASE) += kgdb_test.o
obj-$(CONFIG_KGDB_TESTS) += kgdb_test.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
# the kgdb test puts code into L2 and without linker
# relaxation, we need to force long calls to/from it
CFLAGS_kgdb_test.o := -mlong-calls -O0

4
arch/blackfin/kernel/cplb-nompu/cplbinit.c
View File

@ -53,9 +53,13 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
i_d = i_i = 0;
#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO
/* Set up the zero page. */
d_tbl[i_d].addr = 0;
d_tbl[i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB;
i_tbl[i_i].addr = 0;
i_tbl[i_i++].data = SDRAM_OOPS | PAGE_SIZE_1KB;
#endif
/* Cover kernel memory with 4M pages. */
addr = 0;

178
arch/blackfin/kernel/ipipe.c
View File

@ -35,14 +35,8 @@
#include <asm/atomic.h>
#include <asm/io.h>
static int create_irq_threads;
DEFINE_PER_CPU(struct pt_regs, __ipipe_tick_regs);
static DEFINE_PER_CPU(unsigned long, pending_irqthread_mask);
static DEFINE_PER_CPU(int [IVG13 + 1], pending_irq_count);
asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
static void __ipipe_no_irqtail(void);
@ -93,6 +87,7 @@ void __ipipe_enable_pipeline(void)
*/
void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
{
struct ipipe_percpu_domain_data *p = ipipe_root_cpudom_ptr();
struct ipipe_domain *this_domain, *next_domain;
struct list_head *head, *pos;
int m_ack, s = -1;
@ -104,7 +99,6 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
* interrupt.
*/
m_ack = (regs == NULL || irq == IRQ_SYSTMR || irq == IRQ_CORETMR);
this_domain = ipipe_current_domain;
if (unlikely(test_bit(IPIPE_STICKY_FLAG, &this_domain->irqs[irq].control)))
@ -114,49 +108,28 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
next_domain = list_entry(head, struct ipipe_domain, p_link);
if (likely(test_bit(IPIPE_WIRED_FLAG, &next_domain->irqs[irq].control))) {
if (!m_ack && next_domain->irqs[irq].acknowledge != NULL)
next_domain->irqs[irq].acknowledge(irq, irq_desc + irq);
if (test_bit(IPIPE_ROOTLOCK_FLAG, &ipipe_root_domain->flags))
s = __test_and_set_bit(IPIPE_STALL_FLAG,
&ipipe_root_cpudom_var(status));
next_domain->irqs[irq].acknowledge(irq, irq_to_desc(irq));
if (test_bit(IPIPE_SYNCDEFER_FLAG, &p->status))
s = __test_and_set_bit(IPIPE_STALL_FLAG, &p->status);
__ipipe_dispatch_wired(next_domain, irq);
goto finalize;
return;
goto out;
}
}
/* Ack the interrupt. */
pos = head;
while (pos != &__ipipe_pipeline) {
next_domain = list_entry(pos, struct ipipe_domain, p_link);
/*
* For each domain handling the incoming IRQ, mark it
* as pending in its log.
*/
if (test_bit(IPIPE_HANDLE_FLAG, &next_domain->irqs[irq].control)) {
/*
* Domains that handle this IRQ are polled for
* acknowledging it by decreasing priority
* order. The interrupt must be made pending
* _first_ in the domain's status flags before
* the PIC is unlocked.
*/
__ipipe_set_irq_pending(next_domain, irq);
if (!m_ack && next_domain->irqs[irq].acknowledge != NULL) {
next_domain->irqs[irq].acknowledge(irq, irq_desc + irq);
next_domain->irqs[irq].acknowledge(irq, irq_to_desc(irq));
m_ack = 1;
}
}
/*
* If the domain does not want the IRQ to be passed
* down the interrupt pipe, exit the loop now.
*/
if (!test_bit(IPIPE_PASS_FLAG, &next_domain->irqs[irq].control))
break;
pos = next_domain->p_link.next;
}
@ -166,18 +139,24 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
* immediately to the current domain if the interrupt has been
* marked as 'sticky'. This search does not go beyond the
* current domain in the pipeline. We also enforce the
* additional root stage lock (blackfin-specific). */
* additional root stage lock (blackfin-specific).
*/
if (test_bit(IPIPE_SYNCDEFER_FLAG, &p->status))
s = __test_and_set_bit(IPIPE_STALL_FLAG, &p->status);
if (test_bit(IPIPE_ROOTLOCK_FLAG, &ipipe_root_domain->flags))
s = __test_and_set_bit(IPIPE_STALL_FLAG,
&ipipe_root_cpudom_var(status));
finalize:
/*
* If the interrupt preempted the head domain, then do not
* even try to walk the pipeline, unless an interrupt is
* pending for it.
*/
if (test_bit(IPIPE_AHEAD_FLAG, &this_domain->flags) &&
ipipe_head_cpudom_var(irqpend_himask) == 0)
goto out;
__ipipe_walk_pipeline(head);
out:
if (!s)
__clear_bit(IPIPE_STALL_FLAG,
&ipipe_root_cpudom_var(status));
__clear_bit(IPIPE_STALL_FLAG, &p->status);
}
int __ipipe_check_root(void)
@ -187,7 +166,7 @@ int __ipipe_check_root(void)
void __ipipe_enable_irqdesc(struct ipipe_domain *ipd, unsigned irq)
{
struct irq_desc *desc = irq_desc + irq;
struct irq_desc *desc = irq_to_desc(irq);
int prio = desc->ic_prio;
desc->depth = 0;
@ -199,7 +178,7 @@ EXPORT_SYMBOL(__ipipe_enable_irqdesc);
void __ipipe_disable_irqdesc(struct ipipe_domain *ipd, unsigned irq)
{
struct irq_desc *desc = irq_desc + irq;
struct irq_desc *desc = irq_to_desc(irq);
int prio = desc->ic_prio;
if (ipd != &ipipe_root &&
@ -236,14 +215,17 @@ int __ipipe_syscall_root(struct pt_regs *regs)
{
unsigned long flags;
/* We need to run the IRQ tail hook whenever we don't
/*
* We need to run the IRQ tail hook whenever we don't
* propagate a syscall to higher domains, because we know that
* important operations might be pending there (e.g. Xenomai
* deferred rescheduling). */
* deferred rescheduling).
*/
if (!__ipipe_syscall_watched_p(current, regs->orig_p0)) {
if (regs->orig_p0 < NR_syscalls) {
void (*hook)(void) = (void (*)(void))__ipipe_irq_tail_hook;
hook();
if ((current->flags & PF_EVNOTIFY) == 0)
return 0;
}
@ -312,112 +294,46 @@ int ipipe_trigger_irq(unsigned irq)
{
unsigned long flags;
#ifdef CONFIG_IPIPE_DEBUG
if (irq >= IPIPE_NR_IRQS ||
(ipipe_virtual_irq_p(irq)
&& !test_bit(irq - IPIPE_VIRQ_BASE, &__ipipe_virtual_irq_map)))
return -EINVAL;
#endif
local_irq_save_hw(flags);
__ipipe_handle_irq(irq, NULL);
local_irq_restore_hw(flags);
return 1;
}
/* Move Linux IRQ to threads. */
static int do_irqd(void *__desc)
asmlinkage void __ipipe_sync_root(void)
{
struct irq_desc *desc = __desc;
unsigned irq = desc - irq_desc;
int thrprio = desc->thr_prio;
int thrmask = 1 << thrprio;
int cpu = smp_processor_id();
cpumask_t cpumask;
unsigned long flags;
sigfillset(&current->blocked);
current->flags |= PF_NOFREEZE;
cpumask = cpumask_of_cpu(cpu);
set_cpus_allowed(current, cpumask);
ipipe_setscheduler_root(current, SCHED_FIFO, 50 + thrprio);
BUG_ON(irqs_disabled());
while (!kthread_should_stop()) {
local_irq_disable();
if (!(desc->status & IRQ_SCHEDULED)) {
set_current_state(TASK_INTERRUPTIBLE);
resched:
local_irq_enable();
schedule();
local_irq_disable();
}
__set_current_state(TASK_RUNNING);
/*
* If higher priority interrupt servers are ready to
* run, reschedule immediately. We need this for the
* GPIO demux IRQ handler to unmask the interrupt line
* _last_, after all GPIO IRQs have run.
*/
if (per_cpu(pending_irqthread_mask, cpu) & ~(thrmask|(thrmask-1)))
goto resched;
if (--per_cpu(pending_irq_count[thrprio], cpu) == 0)
per_cpu(pending_irqthread_mask, cpu) &= ~thrmask;
desc->status &= ~IRQ_SCHEDULED;
desc->thr_handler(irq, &__raw_get_cpu_var(__ipipe_tick_regs));
local_irq_enable();
}
__set_current_state(TASK_RUNNING);
return 0;
local_irq_save_hw(flags);
clear_thread_flag(TIF_IRQ_SYNC);
if (ipipe_root_cpudom_var(irqpend_himask) != 0)
__ipipe_sync_pipeline(IPIPE_IRQMASK_ANY);
local_irq_restore_hw(flags);
}
static void kick_irqd(unsigned irq, void *cookie)
void ___ipipe_sync_pipeline(unsigned long syncmask)
{
struct irq_desc *desc = irq_desc + irq;
int thrprio = desc->thr_prio;
int thrmask = 1 << thrprio;
int cpu = smp_processor_id();
struct ipipe_domain *ipd = ipipe_current_domain;
if (!(desc->status & IRQ_SCHEDULED)) {
desc->status |= IRQ_SCHEDULED;
per_cpu(pending_irqthread_mask, cpu) |= thrmask;
++per_cpu(pending_irq_count[thrprio], cpu);
wake_up_process(desc->thread);
}
if (ipd == ipipe_root_domain) {
if (test_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status)))
return;
}
int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc)
{
if (desc->thread || !create_irq_threads)
return 0;
desc->thread = kthread_create(do_irqd, desc, "IRQ %d", irq);
if (desc->thread == NULL) {
printk(KERN_ERR "irqd: could not create IRQ thread %d!\n", irq);
return -ENOMEM;
}
wake_up_process(desc->thread);
desc->thr_handler = ipipe_root_domain->irqs[irq].handler;
ipipe_root_domain->irqs[irq].handler = &kick_irqd;
return 0;
}
void __init ipipe_init_irq_threads(void)
{
unsigned irq;
struct irq_desc *desc;
create_irq_threads = 1;
for (irq = 0; irq < NR_IRQS; irq++) {
desc = irq_desc + irq;
if (desc->action != NULL ||
(desc->status & IRQ_NOREQUEST) != 0)
ipipe_start_irq_thread(irq, desc);
}
__ipipe_sync_stage(syncmask);
}
EXPORT_SYMBOL(show_stack);

14
arch/blackfin/kernel/irqchip.c
View File

@ -144,11 +144,15 @@ asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
#endif
generic_handle_irq(irq);
#ifndef CONFIG_IPIPE /* Useless and bugous over the I-pipe: IRQs are threaded. */
/* If we're the only interrupt running (ignoring IRQ15 which is for
syscalls), lower our priority to IRQ14 so that softirqs run at
that level. If there's another, lower-level interrupt, irq_exit
will defer softirqs to that. */
#ifndef CONFIG_IPIPE
/*
* If we're the only interrupt running (ignoring IRQ15 which
* is for syscalls), lower our priority to IRQ14 so that
* softirqs run at that level. If there's another,
* lower-level interrupt, irq_exit will defer softirqs to
* that. If the interrupt pipeline is enabled, we are already
* running at IRQ14 priority, so we don't need this code.
*/
CSYNC();
pending = bfin_read_IPEND() & ~0x8000;
other_ints = pending & (pending - 1);

5
arch/blackfin/kernel/kgdb_test.c
View File

@ -20,6 +20,7 @@
static char cmdline[256];
static unsigned long len;
#ifndef CONFIG_SMP
static int num1 __attribute__((l1_data));
void kgdb_l1_test(void) __attribute__((l1_text));
@ -32,6 +33,8 @@ void kgdb_l1_test(void)
printk(KERN_ALERT "L1(after change) : data variable addr = 0x%p, data value is %d\n", &num1, num1);
return ;
}
#endif
#if L2_LENGTH
static int num2 __attribute__((l2));
@ -59,7 +62,9 @@ int kgdb_test(char *name, int len, int count, int z)
static int test_proc_output(char *buf)
{
kgdb_test("hello world!", 12, 0x55, 0x10);
#ifndef CONFIG_SMP
kgdb_l1_test();
#endif
#if L2_LENGTH
kgdb_l2_test();
#endif

5
arch/blackfin/kernel/ptrace.c
View File

@ -45,6 +45,7 @@
#include <asm/asm-offsets.h>
#include <asm/dma.h>
#include <asm/fixed_code.h>
#include <asm/cacheflush.h>
#include <asm/mem_map.h>
#define TEXT_OFFSET 0
@ -240,7 +241,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
} else if (addr >= FIXED_CODE_START
&& addr + sizeof(tmp) <= FIXED_CODE_END) {
memcpy(&tmp, (const void *)(addr), sizeof(tmp));
copy_from_user_page(0, 0, 0, &tmp, (const void *)(addr), sizeof(tmp));
copied = sizeof(tmp);
} else
@ -320,7 +321,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
} else if (addr >= FIXED_CODE_START
&& addr + sizeof(data) <= FIXED_CODE_END) {
memcpy((void *)(addr), &data, sizeof(data));
copy_to_user_page(0, 0, 0, (void *)(addr), &data, sizeof(data));
copied = sizeof(data);
} else

10
arch/blackfin/kernel/setup.c
View File

@ -889,6 +889,10 @@ void __init setup_arch(char **cmdline_p)
CPU, bfin_revid());
}
/* We can't run on BF548-0.1 due to ANOMALY 05000448 */
if (bfin_cpuid() == 0x27de && bfin_revid() == 1)
panic("You can't run on this processor due to 05000448\n");
printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n");
printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n",
@ -1141,12 +1145,12 @@ static int show_cpuinfo(struct seq_file *m, void *v)
icache_size = 0;
seq_printf(m, "cache size\t: %d KB(L1 icache) "
"%d KB(L1 dcache-%s) %d KB(L2 cache)\n",
"%d KB(L1 dcache%s) %d KB(L2 cache)\n",
icache_size, dcache_size,
#if defined CONFIG_BFIN_WB
"wb"
"-wb"
#elif defined CONFIG_BFIN_WT
"wt"
"-wt"
#endif
"", 0);

5
arch/blackfin/kernel/time.c
View File

@ -134,7 +134,10 @@ irqreturn_t timer_interrupt(int irq, void *dummy)
write_seqlock(&xtime_lock);
#if defined(CONFIG_TICK_SOURCE_SYSTMR0) && !defined(CONFIG_IPIPE)
/* FIXME: Here TIMIL0 is not set when IPIPE enabled, why? */
/*
* TIMIL0 is latched in __ipipe_grab_irq() when the I-Pipe is
* enabled.
*/
if (get_gptimer_status(0) & TIMER_STATUS_TIMIL0) {
#endif
do_timer(1);

33
arch/blackfin/mach-bf518/boards/ezbrd.c
View File

@ -113,7 +113,6 @@ static struct platform_device bfin_mac_device = {
.name = "bfin_mac",
.dev.platform_data = &bfin_mii_bus,
};
#endif
#if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
static struct dsa_platform_data ksz8893m_switch_data = {
@ -132,6 +131,7 @@ static struct platform_device ksz8893m_switch_device = {
.dev.platform_data = &ksz8893m_switch_data,
};
#endif
#endif
#if defined(CONFIG_MTD_M25P80) \
|| defined(CONFIG_MTD_M25P80_MODULE)
@ -171,6 +171,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
};
#endif
#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
#if defined(CONFIG_NET_DSA_KSZ8893M) \
|| defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
/* SPI SWITCH CHIP */
@ -179,10 +180,11 @@ static struct bfin5xx_spi_chip spi_switch_info = {
.bits_per_word = 8,
};
#endif
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
static struct bfin5xx_spi_chip spi_mmc_chip_info = {
.enable_dma = 1,
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip mmc_spi_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
@ -259,6 +261,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
},
#endif
#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
#if defined(CONFIG_NET_DSA_KSZ8893M) \
|| defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
{
@ -271,24 +274,15 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
.mode = SPI_MODE_3,
},
#endif
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
{
.modalias = "spi_mmc_dummy",
.modalias = "mmc_spi",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 0,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.mode = SPI_MODE_3,
},
{
.modalias = "spi_mmc",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = CONFIG_SPI_MMC_CS_CHAN,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.chip_select = 5,
.controller_data = &mmc_spi_chip_info,
.mode = SPI_MODE_3,
},
#endif
@ -630,11 +624,10 @@ static struct platform_device *stamp_devices[] __initdata = {
#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
&bfin_mii_bus,
&bfin_mac_device,
#endif
#if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
&ksz8893m_switch_device,
#endif
#endif
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
&bfin_spi0_device,

17
arch/blackfin/mach-bf518/include/mach/anomaly.h
View File

@ -2,12 +2,12 @@
* File: include/asm-blackfin/mach-bf518/anomaly.h
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* Copyright (C) 2004-2008 Analog Devices Inc.
* Copyright (C) 2004-2009 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
/* This file shoule be up to date with:
* - ????
* - Revision B, 02/03/2009; ADSP-BF512/BF514/BF516/BF518 Blackfin Processor Anomaly List
*/
#ifndef _MACH_ANOMALY_H_
@ -19,6 +19,8 @@
#define ANOMALY_05000122 (1)
/* False Hardware Error from an Access in the Shadow of a Conditional Branch */
#define ANOMALY_05000245 (1)
/* Incorrect Timer Pulse Width in Single-Shot PWM_OUT Mode with External Clock */
#define ANOMALY_05000254 (1)
/* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */
#define ANOMALY_05000265 (1)
/* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */
@ -53,6 +55,12 @@
#define ANOMALY_05000443 (1)
/* Incorrect L1 Instruction Bank B Memory Map Location */
#define ANOMALY_05000444 (1)
/* Incorrect Default Hysteresis Setting for RESET, NMI, and BMODE Signals */
#define ANOMALY_05000452 (1)
/* PWM_TRIPB Signal Not Available on PG10 */
#define ANOMALY_05000453 (1)
/* PPI_FS3 is Driven One Half Cycle Later Than PPI Data */
#define ANOMALY_05000455 (1)
/* Anomalies that don't exist on this proc */
#define ANOMALY_05000125 (0)
@ -65,15 +73,20 @@
#define ANOMALY_05000263 (0)
#define ANOMALY_05000266 (0)
#define ANOMALY_05000273 (0)
#define ANOMALY_05000278 (0)
#define ANOMALY_05000285 (0)
#define ANOMALY_05000305 (0)
#define ANOMALY_05000307 (0)
#define ANOMALY_05000311 (0)
#define ANOMALY_05000312 (0)
#define ANOMALY_05000323 (0)
#define ANOMALY_05000353 (0)
#define ANOMALY_05000363 (0)
#define ANOMALY_05000380 (0)
#define ANOMALY_05000386 (0)
#define ANOMALY_05000412 (0)
#define ANOMALY_05000432 (0)
#define ANOMALY_05000447 (0)
#define ANOMALY_05000448 (0)
#endif

4
arch/blackfin/mach-bf518/include/mach/bfin_serial_5xx.h
View File

@ -144,7 +144,7 @@ struct bfin_serial_res bfin_serial_resource[] = {
CH_UART0_TX,
CH_UART0_RX,
#endif
#ifdef CONFIG_BFIN_UART0_CTSRTS
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
CONFIG_UART0_CTS_PIN,
CONFIG_UART0_RTS_PIN,
#endif
@ -158,7 +158,7 @@ struct bfin_serial_res bfin_serial_resource[] = {
CH_UART1_TX,
CH_UART1_RX,
#endif
#ifdef CONFIG_BFIN_UART1_CTSRTS
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
CONFIG_UART1_CTS_PIN,
CONFIG_UART1_RTS_PIN,
#endif

26
arch/blackfin/mach-bf527/boards/cm_bf527.c
View File

@ -487,9 +487,9 @@ static struct bfin5xx_spi_chip ad9960_spi_chip_info = {
};
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
static struct bfin5xx_spi_chip spi_mmc_chip_info = {
.enable_dma = 1,
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip mmc_spi_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
@ -585,23 +585,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
.controller_data = &ad9960_spi_chip_info,
},
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
{
.modalias = "spi_mmc_dummy",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
.modalias = "mmc_spi",
.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 0,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.mode = SPI_MODE_3,
},
{
.modalias = "spi_mmc",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = CONFIG_SPI_MMC_CS_CHAN,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.chip_select = 5,
.controller_data = &mmc_spi_chip_info,
.mode = SPI_MODE_3,
},
#endif

24
arch/blackfin/mach-bf527/boards/ezbrd.c
View File

@ -256,9 +256,9 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
};
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
static struct bfin5xx_spi_chip spi_mmc_chip_info = {
.enable_dma = 1,
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip mmc_spi_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
@ -366,23 +366,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
},
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
{
.modalias = "spi_mmc_dummy",
.modalias = "mmc_spi",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 0,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.mode = SPI_MODE_3,
},
{
.modalias = "spi_mmc",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = CONFIG_SPI_MMC_CS_CHAN,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.chip_select = 5,
.controller_data = &mmc_spi_chip_info,
.mode = SPI_MODE_3,
},
#endif

6
arch/blackfin/mach-bf527/include/mach/anomaly.h
View File

@ -2,7 +2,7 @@
* File: include/asm-blackfin/mach-bf527/anomaly.h
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* Copyright (C) 2004-2008 Analog Devices Inc.
* Copyright (C) 2004-2009 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
@ -167,12 +167,16 @@
#define ANOMALY_05000263 (0)
#define ANOMALY_05000266 (0)
#define ANOMALY_05000273 (0)
#define ANOMALY_05000278 (0)
#define ANOMALY_05000285 (0)
#define ANOMALY_05000305 (0)
#define ANOMALY_05000307 (0)
#define ANOMALY_05000311 (0)
#define ANOMALY_05000312 (0)
#define ANOMALY_05000323 (0)
#define ANOMALY_05000363 (0)
#define ANOMALY_05000412 (0)
#define ANOMALY_05000447 (0)
#define ANOMALY_05000448 (0)
#endif

4
arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h
View File

@ -144,7 +144,7 @@ struct bfin_serial_res bfin_serial_resource[] = {
CH_UART0_TX,
CH_UART0_RX,
#endif
#ifdef CONFIG_BFIN_UART0_CTSRTS
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
CONFIG_UART0_CTS_PIN,
CONFIG_UART0_RTS_PIN,
#endif
@ -158,7 +158,7 @@ struct bfin_serial_res bfin_serial_resource[] = {
CH_UART1_TX,
CH_UART1_RX,
#endif
#ifdef CONFIG_BFIN_UART1_CTSRTS
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
CONFIG_UART1_CTS_PIN,
CONFIG_UART1_RTS_PIN,
#endif

5
arch/blackfin/mach-bf533/boards/Kconfig
View File

@ -38,9 +38,4 @@ config BFIN532_IP0X
help
Core support for IP04/IP04 open hardware IP-PBX.
config GENERIC_BF533_BOARD
bool "Generic"
help
Generic or Custom board support.
endchoice

1
arch/blackfin/mach-bf533/boards/Makefile
View File

@ -2,7 +2,6 @@
# arch/blackfin/mach-bf533/boards/Makefile
#
obj-$(CONFIG_GENERIC_BF533_BOARD) += generic_board.o
obj-$(CONFIG_BFIN533_STAMP) += stamp.o
obj-$(CONFIG_BFIN532_IP0X) += ip0x.o
obj-$(CONFIG_BFIN533_EZKIT) += ezkit.o

24
arch/blackfin/mach-bf533/boards/blackstamp.c
View File

@ -101,9 +101,9 @@ static struct bfin5xx_spi_chip spi_flash_chip_info = {
};
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
static struct bfin5xx_spi_chip spi_mmc_chip_info = {
.enable_dma = 1,
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip mmc_spi_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
@ -129,23 +129,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
},
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
{
.modalias = "spi_mmc_dummy",
.modalias = "mmc_spi",
.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 0,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.mode = SPI_MODE_3,
},
{
.modalias = "spi_mmc",
.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = CONFIG_SPI_MMC_CS_CHAN,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.chip_select = 5,
.controller_data = &mmc_spi_chip_info,
.mode = SPI_MODE_3,
},
#endif

24
arch/blackfin/mach-bf533/boards/cm_bf533.c
View File

@ -96,9 +96,9 @@ static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
};
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
static struct bfin5xx_spi_chip spi_mmc_chip_info = {
.enable_dma = 1,
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip mmc_spi_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
@ -138,23 +138,13 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
},
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
{
.modalias = "spi_mmc_dummy",
.modalias = "mmc_spi",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 0,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.mode = SPI_MODE_3,
},
{
.modalias = "spi_mmc",
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = CONFIG_SPI_MMC_CS_CHAN,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.chip_select = 5,
.controller_data = &mmc_spi_chip_info,
.mode = SPI_MODE_3,
},
#endif

126
arch/blackfin/mach-bf533/boards/generic_board.c
View File

@ -1,126 +0,0 @@
/*
* File: arch/blackfin/mach-bf533/generic_board.c
* Based on: arch/blackfin/mach-bf533/ezkit.c
* Author: Aidan Williams <aidan@nicta.com.au>
*
* Created: 2005
* Description:
*
* Modified:
* Copyright 2005 National ICT Australia (NICTA)
* Copyright 2004-2006 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
/*
* Name the Board for the /proc/cpuinfo
*/
const char bfin_board_name[] = "UNKNOWN BOARD";
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
static struct platform_device rtc_device = {
.name = "rtc-bfin",
.id = -1,
};
#endif
/*
* Driver needs to know address, irq and flag pin.
*/
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
static struct resource smc91x_resources[] = {
{
.start = 0x20300300,
.end = 0x20300300 + 16,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_PROG_INTB,
.end = IRQ_PROG_INTB,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
}, {
.start = IRQ_PF7,
.end = IRQ_PF7,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
},
};
static struct platform_device smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(smc91x_resources),
.resource = smc91x_resources,
};
#endif
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
static struct resource bfin_sir0_resources[] = {
{
.start = 0xFFC00400,
.end = 0xFFC004FF,
.flags = IORESOURCE_MEM,
},
{
.start = IRQ_UART0_RX,
.end = IRQ_UART0_RX+1,
.flags = IORESOURCE_IRQ,
},
{
.start = CH_UART0_RX,
.end = CH_UART0_RX+1,
.flags = IORESOURCE_DMA,
},
};
static struct platform_device bfin_sir0_device = {
.name = "bfin_sir",
.id = 0,
.num_resources = ARRAY_SIZE(bfin_sir0_resources),
.resource = bfin_sir0_resources,
};
#endif
#endif
static struct platform_device *generic_board_devices[] __initdata = {
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
&rtc_device,
#endif
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
&smc91x_device,
#endif
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
&bfin_sir0_device,
#endif
#endif
};
static int __init generic_board_init(void)
{
printk(KERN_INFO "%s(): registering device resources\n", __func__);
return platform_add_devices(generic_board_devices, ARRAY_SIZE(generic_board_devices));
}
arch_initcall(generic_board_init);

13
arch/blackfin/mach-bf533/boards/ip0x.c
View File

@ -127,8 +127,8 @@ static struct platform_device dm9000_device2 = {
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
/* all SPI peripherals info goes here */
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
static struct bfin5xx_spi_chip spi_mmc_chip_info = {
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip mmc_spi_chip_info = {
/*
* CPOL (Clock Polarity)
* 0 - Active high SCK
@ -152,14 +152,13 @@ static struct bfin5xx_spi_chip spi_mmc_chip_info = {
/* Notice: for blackfin, the speed_hz is the value of register
* SPI_BAUD, not the real baudrate */
static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
{
.modalias = "spi_mmc",
.modalias = "mmc_spi",
.max_speed_hz = 2,
.bus_num = 1,
.chip_select = CONFIG_SPI_MMC_CS_CHAN,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.chip_select = 5,
.controller_data = &mmc_spi_chip_info,
},
#endif
};

7
arch/blackfin/mach-bf533/include/mach/anomaly.h
View File

@ -2,7 +2,7 @@
* File: include/asm-blackfin/mach-bf533/anomaly.h
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* Copyright (C) 2004-2008 Analog Devices Inc.
* Copyright (C) 2004-2009 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
@ -160,7 +160,7 @@
#define ANOMALY_05000301 (__SILICON_REVISION__ < 6)
/* SSYNCs After Writes To DMA MMR Registers May Not Be Handled Correctly */
#define ANOMALY_05000302 (__SILICON_REVISION__ < 5)
/* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */
/* SPORT_HYS Bit in PLL_CTL Register Is Not Functional */
#define ANOMALY_05000305 (__SILICON_REVISION__ < 5)
/* New Feature: Additional PPI Frame Sync Sampling Options (Not Available On Older Silicon) */
#define ANOMALY_05000306 (__SILICON_REVISION__ < 5)
@ -278,9 +278,12 @@
#define ANOMALY_05000266 (0)
#define ANOMALY_05000323 (0)
#define ANOMALY_05000353 (1)
#define ANOMALY_05000380 (0)
#define ANOMALY_05000386 (1)
#define ANOMALY_05000412 (0)
#define ANOMALY_05000432 (0)
#define ANOMALY_05000435 (0)
#define ANOMALY_05000447 (0)
#define ANOMALY_05000448 (0)
#endif

2
arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h
View File

@ -134,7 +134,7 @@ struct bfin_serial_res bfin_serial_resource[] = {
CH_UART_TX,
CH_UART_RX,
#endif
#ifdef CONFIG_BFIN_UART0_CTSRTS
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
CONFIG_UART0_CTS_PIN,
CONFIG_UART0_RTS_PIN,
#endif

5
arch/blackfin/mach-bf537/boards/Kconfig
View File

@ -33,9 +33,4 @@ config CAMSIG_MINOTAUR
help
Board supply package for CSP Minotaur
config GENERIC_BF537_BOARD
bool "Generic"
help
Generic or Custom board support.
endchoice

1
arch/blackfin/mach-bf537/boards/Makefile
View File

@ -2,7 +2,6 @@
# arch/blackfin/mach-bf537/boards/Makefile
#
obj-$(CONFIG_GENERIC_BF537_BOARD) += generic_board.o
obj-$(CONFIG_BFIN537_STAMP) += stamp.o
obj-$(CONFIG_BFIN537_BLUETECHNIX_CM) += cm_bf537.o
obj-$(CONFIG_BFIN537_BLUETECHNIX_TCM) += tcm_bf537.o

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