diff --git a/[refs] b/[refs] index c0e029c91022..b623d038d4a0 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 5dab643cd67e1a791052d092ab447534937bf3f1 +refs/heads/master: 0a25893597dfbad08aff833bdefac2fe5b31aabd diff --git a/trunk/Documentation/DocBook/device-drivers.tmpl b/trunk/Documentation/DocBook/device-drivers.tmpl index 9c27e5125dd2..2f7fd4360848 100644 --- a/trunk/Documentation/DocBook/device-drivers.tmpl +++ b/trunk/Documentation/DocBook/device-drivers.tmpl @@ -102,12 +102,9 @@ X!Iinclude/linux/kobject.h !Iinclude/linux/device.h Device Drivers Base -!Idrivers/base/init.c !Edrivers/base/driver.c !Edrivers/base/core.c -!Edrivers/base/syscore.c !Edrivers/base/class.c -!Idrivers/base/node.c !Edrivers/base/firmware_class.c !Edrivers/base/transport_class.c -!Edrivers/base/dd.c +!Edrivers/base/sys.c !Iinclude/linux/platform_device.h !Edrivers/base/platform.c !Edrivers/base/bus.c - - Device Drivers DMA Management -!Edrivers/base/dma-buf.c -!Edrivers/base/dma-coherent.c -!Edrivers/base/dma-mapping.c Device Drivers Power Management !Edrivers/base/power/main.c @@ -227,7 +219,7 @@ X!Isound/sound_firmware.c 16x50 UART Driver !Edrivers/tty/serial/serial_core.c -!Edrivers/tty/serial/8250/8250.c +!Edrivers/tty/serial/8250.c diff --git a/trunk/Documentation/devicetree/bindings/gpio/led.txt b/trunk/Documentation/devicetree/bindings/gpio/led.txt index fd2bd56e7195..141087cf3107 100644 --- a/trunk/Documentation/devicetree/bindings/gpio/led.txt +++ b/trunk/Documentation/devicetree/bindings/gpio/led.txt @@ -7,9 +7,9 @@ Each LED is represented as a sub-node of the gpio-leds device. Each node's name represents the name of the corresponding LED. LED sub-node properties: -- gpios : Should specify the LED's GPIO, see "gpios property" in - Documentation/devicetree/gpio.txt. Active low LEDs should be - indicated using flags in the GPIO specifier. +- gpios : Should specify the LED's GPIO, see "Specifying GPIO information + for devices" in Documentation/devicetree/booting-without-of.txt. Active + low LEDs should be indicated using flags in the GPIO specifier. - label : (optional) The label for this LED. If omitted, the label is taken from the node name (excluding the unit address). - linux,default-trigger : (optional) This parameter, if present, is a diff --git a/trunk/Documentation/devicetree/bindings/vendor-prefixes.txt b/trunk/Documentation/devicetree/bindings/vendor-prefixes.txt index a20008ab319a..ecc6a6cd26c1 100644 --- a/trunk/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/trunk/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -30,7 +30,6 @@ national National Semiconductor nintendo Nintendo nvidia NVIDIA nxp NXP Semiconductors -picochip Picochip Ltd powervr Imagination Technologies qcom Qualcomm, Inc. ramtron Ramtron International diff --git a/trunk/Documentation/hwmon/jc42 b/trunk/Documentation/hwmon/jc42 index 52729a756c1b..a22ecf48f255 100644 --- a/trunk/Documentation/hwmon/jc42 +++ b/trunk/Documentation/hwmon/jc42 @@ -7,29 +7,21 @@ Supported chips: Addresses scanned: I2C 0x18 - 0x1f Datasheets: http://www.analog.com/static/imported-files/data_sheets/ADT7408.pdf - * Atmel AT30TS00 - Prefix: 'at30ts00' + * IDT TSE2002B3, TS3000B3 + Prefix: 'tse2002b3', 'ts3000b3' Addresses scanned: I2C 0x18 - 0x1f Datasheets: - http://www.atmel.com/Images/doc8585.pdf - * IDT TSE2002B3, TSE2002GB2, TS3000B3, TS3000GB2 - Prefix: 'tse2002', 'ts3000' - Addresses scanned: I2C 0x18 - 0x1f - Datasheets: - http://www.idt.com/sites/default/files/documents/IDT_TSE2002B3C_DST_20100512_120303152056.pdf - http://www.idt.com/sites/default/files/documents/IDT_TSE2002GB2A1_DST_20111107_120303145914.pdf - http://www.idt.com/sites/default/files/documents/IDT_TS3000B3A_DST_20101129_120303152013.pdf - http://www.idt.com/sites/default/files/documents/IDT_TS3000GB2A1_DST_20111104_120303151012.pdf + http://www.idt.com/products/getdoc.cfm?docid=18715691 + http://www.idt.com/products/getdoc.cfm?docid=18715692 * Maxim MAX6604 Prefix: 'max6604' Addresses scanned: I2C 0x18 - 0x1f Datasheets: http://datasheets.maxim-ic.com/en/ds/MAX6604.pdf - * Microchip MCP9804, MCP9805, MCP98242, MCP98243, MCP9843 - Prefixes: 'mcp9804', 'mcp9805', 'mcp98242', 'mcp98243', 'mcp9843' + * Microchip MCP9805, MCP98242, MCP98243, MCP9843 + Prefixes: 'mcp9805', 'mcp98242', 'mcp98243', 'mcp9843' Addresses scanned: I2C 0x18 - 0x1f Datasheets: - http://ww1.microchip.com/downloads/en/DeviceDoc/22203C.pdf http://ww1.microchip.com/downloads/en/DeviceDoc/21977b.pdf http://ww1.microchip.com/downloads/en/DeviceDoc/21996a.pdf http://ww1.microchip.com/downloads/en/DeviceDoc/22153c.pdf @@ -56,12 +48,6 @@ Supported chips: Datasheets: http://www.st.com/stonline/products/literature/ds/13447/stts424.pdf http://www.st.com/stonline/products/literature/ds/13448/stts424e02.pdf - * ST Microelectronics STTS2002, STTS3000 - Prefix: 'stts2002', 'stts3000' - Addresses scanned: I2C 0x18 - 0x1f - Datasheets: - http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00225278.pdf - http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATA_BRIEF/CD00270920.pdf * JEDEC JC 42.4 compliant temperature sensor chips Prefix: 'jc42' Addresses scanned: I2C 0x18 - 0x1f diff --git a/trunk/Documentation/input/alps.txt b/trunk/Documentation/input/alps.txt index 2f95308251d4..f274c28b5103 100644 --- a/trunk/Documentation/input/alps.txt +++ b/trunk/Documentation/input/alps.txt @@ -13,8 +13,7 @@ Detection All ALPS touchpads should respond to the "E6 report" command sequence: E8-E6-E6-E6-E9. An ALPS touchpad should respond with either 00-00-0A or -00-00-64 if no buttons are pressed. The bits 0-2 of the first byte will be 1s -if some buttons are pressed. +00-00-64. If the E6 report is successful, the touchpad model is identified using the "E7 report" sequence: E8-E7-E7-E7-E9. The response is the model signature and is diff --git a/trunk/Documentation/input/event-codes.txt b/trunk/Documentation/input/event-codes.txt index 53305bd08182..23fcb05175be 100644 --- a/trunk/Documentation/input/event-codes.txt +++ b/trunk/Documentation/input/event-codes.txt @@ -17,11 +17,11 @@ reports supported by a device are also provided by sysfs in class/input/event*/device/capabilities/, and the properties of a device are provided in class/input/event*/device/properties. -Event types: -=========== -Event types are groupings of codes under a logical input construct. Each -type has a set of applicable codes to be used in generating events. See the -Codes section for details on valid codes for each type. +Types: +========== +Types are groupings of codes under a logical input construct. Each type has a +set of applicable codes to be used in generating events. See the Codes section +for details on valid codes for each type. * EV_SYN: - Used as markers to separate events. Events may be separated in time or in @@ -63,9 +63,9 @@ Codes section for details on valid codes for each type. * EV_FF_STATUS: - Used to receive force feedback device status. -Event codes: -=========== -Event codes define the precise type of event. +Codes: +========== +Codes define the precise type of event. EV_SYN: ---------- @@ -220,56 +220,6 @@ EV_PWR: EV_PWR events are a special type of event used specifically for power mangement. Its usage is not well defined. To be addressed later. -Device properties: -================= -Normally, userspace sets up an input device based on the data it emits, -i.e., the event types. In the case of two devices emitting the same event -types, additional information can be provided in the form of device -properties. - -INPUT_PROP_DIRECT + INPUT_PROP_POINTER: --------------------------------------- -The INPUT_PROP_DIRECT property indicates that device coordinates should be -directly mapped to screen coordinates (not taking into account trivial -transformations, such as scaling, flipping and rotating). Non-direct input -devices require non-trivial transformation, such as absolute to relative -transformation for touchpads. Typical direct input devices: touchscreens, -drawing tablets; non-direct devices: touchpads, mice. - -The INPUT_PROP_POINTER property indicates that the device is not transposed -on the screen and thus requires use of an on-screen pointer to trace user's -movements. Typical pointer devices: touchpads, tablets, mice; non-pointer -device: touchscreen. - -If neither INPUT_PROP_DIRECT or INPUT_PROP_POINTER are set, the property is -considered undefined and the device type should be deduced in the -traditional way, using emitted event types. - -INPUT_PROP_BUTTONPAD: --------------------- -For touchpads where the button is placed beneath the surface, such that -pressing down on the pad causes a button click, this property should be -set. Common in clickpad notebooks and macbooks from 2009 and onwards. - -Originally, the buttonpad property was coded into the bcm5974 driver -version field under the name integrated button. For backwards -compatibility, both methods need to be checked in userspace. - -INPUT_PROP_SEMI_MT: ------------------- -Some touchpads, most common between 2008 and 2011, can detect the presence -of multiple contacts without resolving the individual positions; only the -number of contacts and a rectangular shape is known. For such -touchpads, the semi-mt property should be set. - -Depending on the device, the rectangle may enclose all touches, like a -bounding box, or just some of them, for instance the two most recent -touches. The diversity makes the rectangle of limited use, but some -gestures can normally be extracted from it. - -If INPUT_PROP_SEMI_MT is not set, the device is assumed to be a true MT -device. - Guidelines: ========== The guidelines below ensure proper single-touch and multi-finger functionality. @@ -290,8 +240,6 @@ used to report when a touch is active on the screen. BTN_{MOUSE,LEFT,MIDDLE,RIGHT} must not be reported as the result of touch contact. BTN_TOOL_ events should be reported where possible. -For new hardware, INPUT_PROP_DIRECT should be set. - Trackpads: ---------- Legacy trackpads that only provide relative position information must report @@ -302,8 +250,6 @@ location of the touch. BTN_TOUCH should be used to report when a touch is active on the trackpad. Where multi-finger support is available, BTN_TOOL_ should be used to report the number of touches active on the trackpad. -For new hardware, INPUT_PROP_POINTER should be set. - Tablets: ---------- BTN_TOOL_ events must be reported when a stylus or other tool is active on @@ -314,5 +260,3 @@ button may be used for buttons on the tablet except BTN_{MOUSE,LEFT}. BTN_{0,1,2,etc} are good generic codes for unlabeled buttons. Do not use meaningful buttons, like BTN_FORWARD, unless the button is labeled for that purpose on the device. - -For new hardware, both INPUT_PROP_DIRECT and INPUT_PROP_POINTER should be set. diff --git a/trunk/Documentation/kernel-parameters.txt b/trunk/Documentation/kernel-parameters.txt index d99fd9c0ec0e..033d4e69b43b 100644 --- a/trunk/Documentation/kernel-parameters.txt +++ b/trunk/Documentation/kernel-parameters.txt @@ -2211,12 +2211,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. default: off. - printk.always_kmsg_dump= - Trigger kmsg_dump for cases other than kernel oops or - panics - Format: (1/Y/y=enable, 0/N/n=disable) - default: disabled - printk.time= Show timing data prefixed to each printk message line Format: (1/Y/y=enable, 0/N/n=disable) diff --git a/trunk/Documentation/sysctl/kernel.txt b/trunk/Documentation/sysctl/kernel.txt index 6d78841fd416..8c20fbd8b42d 100644 --- a/trunk/Documentation/sysctl/kernel.txt +++ b/trunk/Documentation/sysctl/kernel.txt @@ -601,8 +601,6 @@ can be ORed together: instead of using the one provided by the hardware. 512 - A kernel warning has occurred. 1024 - A module from drivers/staging was loaded. -2048 - The system is working around a severe firmware bug. -4096 - An out-of-tree module has been loaded. ============================================================== diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS index 3321d75c6c7f..a1fce9a3ab20 100644 --- a/trunk/MAINTAINERS +++ b/trunk/MAINTAINERS @@ -159,7 +159,7 @@ S: Maintained F: drivers/net/ethernet/realtek/r8169.c 8250/16?50 (AND CLONE UARTS) SERIAL DRIVER -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman L: linux-serial@vger.kernel.org W: http://serial.sourceforge.net S: Maintained @@ -269,6 +269,7 @@ S: Orphan F: drivers/platform/x86/wmi.c AD1889 ALSA SOUND DRIVER +M: Kyle McMartin M: Thibaut Varene W: http://wiki.parisc-linux.org/AD1889 L: linux-parisc@vger.kernel.org @@ -788,6 +789,12 @@ F: arch/arm/mach-mx*/ F: arch/arm/mach-imx/ F: arch/arm/plat-mxc/ +ARM/FREESCALE IMX51 +M: Amit Kucheria +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: arch/arm/mach-mx5/ + ARM/FREESCALE IMX6 M: Shawn Guo L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -962,7 +969,7 @@ F: drivers/tty/serial/msm_serial.c F: drivers/platform/msm/ F: drivers/*/pm8???-* F: include/linux/mfd/pm8xxx/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm.git +T: git git://codeaurora.org/quic/kernel/davidb/linux-msm.git S: Maintained ARM/TOSA MACHINE SUPPORT @@ -1310,7 +1317,7 @@ F: drivers/atm/ F: include/linux/atm* ATMEL AT91 MCI DRIVER -M: Ludovic Desroches +M: Nicolas Ferre L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) W: http://www.atmel.com/products/AT91/ W: http://www.at91.com/ @@ -1318,7 +1325,7 @@ S: Maintained F: drivers/mmc/host/at91_mci.c ATMEL AT91 / AT32 MCI DRIVER -M: Ludovic Desroches +M: Nicolas Ferre S: Maintained F: drivers/mmc/host/atmel-mci.c F: drivers/mmc/host/atmel-mci-regs.h @@ -1776,9 +1783,9 @@ X: net/wireless/wext* CHAR and MISC DRIVERS M: Arnd Bergmann -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git -S: Supported +S: Maintained F: drivers/char/* F: drivers/misc/* @@ -2280,7 +2287,7 @@ F: drivers/acpi/dock.c DOCUMENTATION M: Randy Dunlap L: linux-doc@vger.kernel.org -T: quilt http://xenotime.net/kernel-doc-patches/current/ +T: quilt http://userweb.kernel.org/~rdunlap/kernel-doc-patches/current/ S: Maintained F: Documentation/ @@ -2313,7 +2320,7 @@ F: lib/lru_cache.c F: Documentation/blockdev/drbd/ DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6.git S: Supported F: Documentation/kobject.txt @@ -3046,6 +3053,7 @@ F: drivers/hwspinlock/hwspinlock_* F: include/linux/hwspinlock.h HARMONY SOUND DRIVER +M: Kyle McMartin L: linux-parisc@vger.kernel.org S: Maintained F: sound/parisc/harmony.* @@ -3316,12 +3324,6 @@ S: Maintained F: net/ieee802154/ F: drivers/ieee802154/ -IIO SUBSYSTEM AND DRIVERS -M: Jonathan Cameron -L: linux-iio@vger.kernel.org -S: Maintained -F: drivers/staging/iio/ - IKANOS/ADI EAGLE ADSL USB DRIVER M: Matthieu Castet M: Stanislaw Gruszka @@ -3780,7 +3782,7 @@ F: Documentation/kdump/ KERNEL AUTOMOUNTER v4 (AUTOFS4) M: Ian Kent -L: autofs@vger.kernel.org +L: autofs@linux.kernel.org S: Maintained F: fs/autofs4/ @@ -3990,11 +3992,11 @@ M: Rusty Russell L: lguest@lists.ozlabs.org W: http://lguest.ozlabs.org/ S: Odd Fixes -F: arch/x86/include/asm/lguest*.h +F: Documentation/virtual/lguest/ F: arch/x86/lguest/ F: drivers/lguest/ F: include/linux/lguest*.h -F: tools/lguest/ +F: arch/x86/include/asm/lguest*.h LINUX FOR IBM pSERIES (RS/6000) M: Paul Mackerras @@ -4134,7 +4136,7 @@ L: linux-ntfs-dev@lists.sourceforge.net W: http://www.linux-ntfs.org/content/view/19/37/ S: Maintained F: Documentation/ldm.txt -F: block/partitions/ldm.* +F: fs/partitions/ldm.* LogFS M: Joern Engel @@ -4685,7 +4687,7 @@ NTFS FILESYSTEM M: Anton Altaparmakov L: linux-ntfs-dev@lists.sourceforge.net W: http://www.tuxera.com/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/aia21/ntfs.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/aia21/ntfs-2.6.git S: Supported F: Documentation/filesystems/ntfs.txt F: fs/ntfs/ @@ -4998,8 +5000,9 @@ F: Documentation/blockdev/paride.txt F: drivers/block/paride/ PARISC ARCHITECTURE -M: "James E.J. Bottomley" +M: Kyle McMartin M: Helge Deller +M: "James E.J. Bottomley" L: linux-parisc@vger.kernel.org W: http://www.parisc-linux.org/ Q: http://patchwork.kernel.org/project/linux-parisc/list/ @@ -5630,7 +5633,7 @@ W: http://www.ibm.com/developerworks/linux/linux390/ S: Supported F: arch/s390/ F: drivers/s390/ -F: block/partitions/ibm.c +F: fs/partitions/ibm.c F: Documentation/s390/ F: Documentation/DocBook/s390* @@ -5858,7 +5861,7 @@ S: Maintained F: drivers/mmc/host/sdhci-spear.c SECURITY SUBSYSTEM -M: James Morris +M: James Morris L: linux-security-module@vger.kernel.org (suggested Cc:) T: git git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git W: http://security.wiki.kernel.org/ @@ -5871,7 +5874,7 @@ S: Supported SELINUX SECURITY MODULE M: Stephen Smalley -M: James Morris +M: James Morris M: Eric Paris L: selinux@tycho.nsa.gov (subscribers-only, general discussion) W: http://selinuxproject.org @@ -6273,15 +6276,15 @@ S: Maintained F: arch/alpha/kernel/srm_env.c STABLE BRANCH -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman L: stable@vger.kernel.org -S: Supported +S: Maintained STAGING SUBSYSTEM -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git L: devel@driverdev.osuosl.org -S: Supported +S: Maintained F: drivers/staging/ STAGING - AGERE HERMES II and II.5 WIRELESS DRIVERS @@ -6393,6 +6396,11 @@ M: Omar Ramirez Luna S: Odd Fixes F: drivers/staging/tidspbridge/ +STAGING - TRIDENT TVMASTER TMxxxx USB VIDEO CAPTURE DRIVERS +L: linux-media@vger.kernel.org +S: Odd Fixes +F: drivers/staging/tm6000/ + STAGING - USB ENE SM/MS CARD READER DRIVER M: Al Cho S: Odd Fixes @@ -6661,8 +6669,8 @@ S: Maintained K: ^Subject:.*(?i)trivial TTY LAYER -M: Greg Kroah-Hartman -S: Supported +M: Greg Kroah-Hartman +S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git F: drivers/tty/ F: drivers/tty/serial/serial_core.c @@ -6950,7 +6958,7 @@ S: Maintained F: drivers/usb/serial/digi_acceleport.c USB SERIAL DRIVER -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman L: linux-usb@vger.kernel.org S: Supported F: Documentation/usb/usb-serial.txt @@ -6965,8 +6973,9 @@ S: Maintained F: drivers/usb/serial/empeg.c USB SERIAL KEYSPAN DRIVER -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman L: linux-usb@vger.kernel.org +W: http://www.kroah.com/linux/ S: Maintained F: drivers/usb/serial/*keyspan* @@ -6994,7 +7003,7 @@ F: Documentation/video4linux/sn9c102.txt F: drivers/media/video/sn9c102/ USB SUBSYSTEM -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman L: linux-usb@vger.kernel.org W: http://www.linux-usb.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6.git @@ -7081,7 +7090,7 @@ F: fs/hppfs/ USERSPACE I/O (UIO) M: "Hans J. Koch" -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman S: Maintained F: Documentation/DocBook/uio-howto.tmpl F: drivers/uio/ @@ -7271,7 +7280,7 @@ WATCHDOG DEVICE DRIVERS M: Wim Van Sebroeck L: linux-watchdog@vger.kernel.org W: http://www.linux-watchdog.org/ -T: git git://www.linux-watchdog.org/linux-watchdog.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git S: Maintained F: Documentation/watchdog/ F: drivers/watchdog/ diff --git a/trunk/Makefile b/trunk/Makefile index 56d481727c30..e3b23e864a53 100644 --- a/trunk/Makefile +++ b/trunk/Makefile @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 3 SUBLEVEL = 0 -EXTRAVERSION = -rc7 +EXTRAVERSION = -rc2 NAME = Saber-toothed Squirrel # *DOCUMENTATION* diff --git a/trunk/arch/alpha/include/asm/futex.h b/trunk/arch/alpha/include/asm/futex.h index f939794363ac..e8a761aee088 100644 --- a/trunk/arch/alpha/include/asm/futex.h +++ b/trunk/arch/alpha/include/asm/futex.h @@ -108,7 +108,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, " lda $31,3b-2b(%0)\n" " .previous\n" : "+r"(ret), "=&r"(prev), "=&r"(cmp) - : "r"(uaddr), "r"((long)(int)oldval), "r"(newval) + : "r"(uaddr), "r"((long)oldval), "r"(newval) : "memory"); *uval = prev; diff --git a/trunk/arch/arm/Kconfig b/trunk/arch/arm/Kconfig index 3cc5897650d2..a48aecc17eac 100644 --- a/trunk/arch/arm/Kconfig +++ b/trunk/arch/arm/Kconfig @@ -1280,7 +1280,7 @@ config ARM_ERRATA_743622 depends on CPU_V7 help This option enables the workaround for the 743622 Cortex-A9 - (r2p*) erratum. Under very rare conditions, a faulty + (r2p0..r2p2) erratum. Under very rare conditions, a faulty optimisation in the Cortex-A9 Store Buffer may lead to data corruption. This workaround sets a specific bit in the diagnostic register of the Cortex-A9 which disables the Store Buffer @@ -1578,7 +1578,6 @@ config ARCH_NR_GPIO int default 1024 if ARCH_SHMOBILE || ARCH_TEGRA default 350 if ARCH_U8500 - default 264 if MACH_H4700 default 0 help Maximum number of GPIOs in the system. diff --git a/trunk/arch/arm/Kconfig.debug b/trunk/arch/arm/Kconfig.debug index 03646c4c13d1..e0d236d7ff73 100644 --- a/trunk/arch/arm/Kconfig.debug +++ b/trunk/arch/arm/Kconfig.debug @@ -81,6 +81,25 @@ choice prompt "Kernel low-level debugging port" depends on DEBUG_LL + config DEBUG_LL_UART_NONE + bool "No low-level debugging UART" + help + Say Y here if your platform doesn't provide a UART option + below. This relies on your platform choosing the right UART + definition internally in order for low-level debugging to + work. + + config DEBUG_ICEDCC + bool "Kernel low-level debugging via EmbeddedICE DCC channel" + help + Say Y here if you want the debug print routines to direct + their output to the EmbeddedICE macrocell's DCC channel using + co-processor 14. This is known to work on the ARM9 style ICE + channel and on the XScale with the PEEDI. + + Note that the system will appear to hang during boot if there + is nothing connected to read from the DCC. + config AT91_DEBUG_LL_DBGU0 bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10 and 9rl" depends on HAVE_AT91_DBGU0 @@ -89,6 +108,20 @@ choice bool "Kernel low-level debugging on 9263, 9g45 and cap9" depends on HAVE_AT91_DBGU1 + config DEBUG_FOOTBRIDGE_COM1 + bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" + depends on FOOTBRIDGE + help + Say Y here if you want the debug print routines to direct + their output to the 8250 at PCI COM1. + + config DEBUG_DC21285_PORT + bool "Kernel low-level debugging messages via footbridge serial port" + depends on FOOTBRIDGE + help + Say Y here if you want the debug print routines to direct + their output to the serial port in the DC21285 (Footbridge). + config DEBUG_CLPS711X_UART1 bool "Kernel low-level debugging messages via UART1" depends on ARCH_CLPS711X @@ -103,20 +136,6 @@ choice Say Y here if you want the debug print routines to direct their output to the second serial port on these devices. - config DEBUG_DC21285_PORT - bool "Kernel low-level debugging messages via footbridge serial port" - depends on FOOTBRIDGE - help - Say Y here if you want the debug print routines to direct - their output to the serial port in the DC21285 (Footbridge). - - config DEBUG_FOOTBRIDGE_COM1 - bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" - depends on FOOTBRIDGE - help - Say Y here if you want the debug print routines to direct - their output to the 8250 at PCI COM1. - config DEBUG_HIGHBANK_UART bool "Kernel low-level debugging messages via Highbank UART" depends on ARCH_HIGHBANK @@ -187,42 +206,38 @@ choice Say Y here if you want kernel low-level debugging support on i.MX6Q. - config DEBUG_MSM_UART1 - bool "Kernel low-level debugging messages via MSM UART1" - depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50 + config DEBUG_S3C_UART0 + depends on PLAT_SAMSUNG + bool "Use S3C UART 0 for low-level debug" help Say Y here if you want the debug print routines to direct - their output to the first serial port on MSM devices. + their output to UART 0. The port must have been initialised + by the boot-loader before use. - config DEBUG_MSM_UART2 - bool "Kernel low-level debugging messages via MSM UART2" - depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50 - help - Say Y here if you want the debug print routines to direct - their output to the second serial port on MSM devices. + The uncompressor code port configuration is now handled + by CONFIG_S3C_LOWLEVEL_UART_PORT. - config DEBUG_MSM_UART3 - bool "Kernel low-level debugging messages via MSM UART3" - depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50 + config DEBUG_S3C_UART1 + depends on PLAT_SAMSUNG + bool "Use S3C UART 1 for low-level debug" help Say Y here if you want the debug print routines to direct - their output to the third serial port on MSM devices. + their output to UART 1. The port must have been initialised + by the boot-loader before use. - config DEBUG_MSM8660_UART - bool "Kernel low-level debugging messages via MSM 8660 UART" - depends on ARCH_MSM8X60 - select MSM_HAS_DEBUG_UART_HS - help - Say Y here if you want the debug print routines to direct - their output to the serial port on MSM 8660 devices. + The uncompressor code port configuration is now handled + by CONFIG_S3C_LOWLEVEL_UART_PORT. - config DEBUG_MSM8960_UART - bool "Kernel low-level debugging messages via MSM 8960 UART" - depends on ARCH_MSM8960 - select MSM_HAS_DEBUG_UART_HS + config DEBUG_S3C_UART2 + depends on PLAT_SAMSUNG + bool "Use S3C UART 2 for low-level debug" help Say Y here if you want the debug print routines to direct - their output to the serial port on MSM 8960 devices. + their output to UART 2. The port must have been initialised + by the boot-loader before use. + + The uncompressor code port configuration is now handled + by CONFIG_S3C_LOWLEVEL_UART_PORT. config DEBUG_REALVIEW_STD_PORT bool "RealView Default UART" @@ -240,57 +255,42 @@ choice their output to the standard serial port on the RealView PB1176 platform. - config DEBUG_S3C_UART0 - depends on PLAT_SAMSUNG - bool "Use S3C UART 0 for low-level debug" + config DEBUG_MSM_UART1 + bool "Kernel low-level debugging messages via MSM UART1" + depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50 help Say Y here if you want the debug print routines to direct - their output to UART 0. The port must have been initialised - by the boot-loader before use. - - The uncompressor code port configuration is now handled - by CONFIG_S3C_LOWLEVEL_UART_PORT. + their output to the first serial port on MSM devices. - config DEBUG_S3C_UART1 - depends on PLAT_SAMSUNG - bool "Use S3C UART 1 for low-level debug" + config DEBUG_MSM_UART2 + bool "Kernel low-level debugging messages via MSM UART2" + depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50 help Say Y here if you want the debug print routines to direct - their output to UART 1. The port must have been initialised - by the boot-loader before use. - - The uncompressor code port configuration is now handled - by CONFIG_S3C_LOWLEVEL_UART_PORT. + their output to the second serial port on MSM devices. - config DEBUG_S3C_UART2 - depends on PLAT_SAMSUNG - bool "Use S3C UART 2 for low-level debug" + config DEBUG_MSM_UART3 + bool "Kernel low-level debugging messages via MSM UART3" + depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50 help Say Y here if you want the debug print routines to direct - their output to UART 2. The port must have been initialised - by the boot-loader before use. - - The uncompressor code port configuration is now handled - by CONFIG_S3C_LOWLEVEL_UART_PORT. + their output to the third serial port on MSM devices. - config DEBUG_LL_UART_NONE - bool "No low-level debugging UART" + config DEBUG_MSM8660_UART + bool "Kernel low-level debugging messages via MSM 8660 UART" + depends on ARCH_MSM8X60 + select MSM_HAS_DEBUG_UART_HS help - Say Y here if your platform doesn't provide a UART option - below. This relies on your platform choosing the right UART - definition internally in order for low-level debugging to - work. + Say Y here if you want the debug print routines to direct + their output to the serial port on MSM 8660 devices. - config DEBUG_ICEDCC - bool "Kernel low-level debugging via EmbeddedICE DCC channel" + config DEBUG_MSM8960_UART + bool "Kernel low-level debugging messages via MSM 8960 UART" + depends on ARCH_MSM8960 + select MSM_HAS_DEBUG_UART_HS help Say Y here if you want the debug print routines to direct - their output to the EmbeddedICE macrocell's DCC channel using - co-processor 14. This is known to work on the ARM9 style ICE - channel and on the XScale with the PEEDI. - - Note that the system will appear to hang during boot if there - is nothing connected to read from the DCC. + their output to the serial port on MSM 8960 devices. endchoice diff --git a/trunk/arch/arm/boot/.gitignore b/trunk/arch/arm/boot/.gitignore index 3c79f85975aa..ce1c5ff746e7 100644 --- a/trunk/arch/arm/boot/.gitignore +++ b/trunk/arch/arm/boot/.gitignore @@ -3,4 +3,3 @@ zImage xipImage bootpImage uImage -*.dtb diff --git a/trunk/arch/arm/boot/dts/exynos4210.dtsi b/trunk/arch/arm/boot/dts/exynos4210.dtsi index a1dd2ee83753..63d7578856c1 100644 --- a/trunk/arch/arm/boot/dts/exynos4210.dtsi +++ b/trunk/arch/arm/boot/dts/exynos4210.dtsi @@ -29,7 +29,6 @@ compatible = "arm,cortex-a9-gic"; #interrupt-cells = <3>; interrupt-controller; - cpu-offset = <0x8000>; reg = <0x10490000 0x1000>, <0x10480000 0x100>; }; diff --git a/trunk/arch/arm/boot/dts/kirkwood-dreamplug.dts b/trunk/arch/arm/boot/dts/kirkwood-dreamplug.dts deleted file mode 100644 index 8a5dff807b45..000000000000 --- a/trunk/arch/arm/boot/dts/kirkwood-dreamplug.dts +++ /dev/null @@ -1,25 +0,0 @@ -/dts-v1/; - -/include/ "kirkwood.dtsi" - -/ { - model = "Globalscale Technologies Dreamplug"; - compatible = "globalscale,dreamplug-003-ds2001", "globalscale,dreamplug", "marvell,kirkwood-88f6281", "marvell,kirkwood"; - - memory { - device_type = "memory"; - reg = <0x00000000 0x20000000>; - }; - - chosen { - bootargs = "console=ttyS0,115200n8 earlyprintk"; - }; - - serial@f1012000 { - compatible = "ns16550a"; - reg = <0xf1012000 0xff>; - reg-shift = <2>; - interrupts = <33>; - clock-frequency = <200000000>; - }; -}; diff --git a/trunk/arch/arm/boot/dts/kirkwood.dtsi b/trunk/arch/arm/boot/dts/kirkwood.dtsi deleted file mode 100644 index 771c6bbeb29a..000000000000 --- a/trunk/arch/arm/boot/dts/kirkwood.dtsi +++ /dev/null @@ -1,6 +0,0 @@ -/include/ "skeleton.dtsi" - -/ { - compatible = "marvell,kirkwood"; -}; - diff --git a/trunk/arch/arm/boot/dts/tegra-paz00.dts b/trunk/arch/arm/boot/dts/tegra-paz00.dts index 61f385809970..bd8964ae4691 100644 --- a/trunk/arch/arm/boot/dts/tegra-paz00.dts +++ b/trunk/arch/arm/boot/dts/tegra-paz00.dts @@ -51,11 +51,11 @@ }; serial@70006200 { - clock-frequency = <216000000>; + status = "disable"; }; serial@70006300 { - status = "disable"; + clock-frequency = <216000000>; }; serial@70006400 { @@ -65,7 +65,7 @@ sdhci@c8000000 { cd-gpios = <&gpio 173 0>; /* gpio PV5 */ wp-gpios = <&gpio 57 0>; /* gpio PH1 */ - power-gpios = <&gpio 169 0>; /* gpio PV1 */ + power-gpios = <&gpio 155 0>; /* gpio PT3 */ }; sdhci@c8000200 { diff --git a/trunk/arch/arm/common/it8152.c b/trunk/arch/arm/common/it8152.c index fb1f1cfce60c..d1bcd7b13ebc 100644 --- a/trunk/arch/arm/common/it8152.c +++ b/trunk/arch/arm/common/it8152.c @@ -320,6 +320,13 @@ int __init it8152_pci_setup(int nr, struct pci_sys_data *sys) return -EBUSY; } +/* + * If we set up a device for bus mastering, we need to check the latency + * timer as we don't have even crappy BIOSes to set it properly. + * The implementation is from arch/i386/pci/i386.c + */ +unsigned int pcibios_max_latency = 255; + /* ITE bridge requires setting latency timer to avoid early bus access termination by PCI bus master devices */ diff --git a/trunk/arch/arm/common/pl330.c b/trunk/arch/arm/common/pl330.c index ff3ad2244824..d8e44a43047c 100644 --- a/trunk/arch/arm/common/pl330.c +++ b/trunk/arch/arm/common/pl330.c @@ -1502,13 +1502,12 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op) struct pl330_thread *thrd = ch_id; struct pl330_dmac *pl330; unsigned long flags; - int ret = 0, active; + int ret = 0, active = thrd->req_running; if (!thrd || thrd->free || thrd->dmac->state == DYING) return -EINVAL; pl330 = thrd->dmac; - active = thrd->req_running; spin_lock_irqsave(&pl330->lock, flags); diff --git a/trunk/arch/arm/configs/tegra_defconfig b/trunk/arch/arm/configs/tegra_defconfig index fd5d3041d717..351d6708c3ae 100644 --- a/trunk/arch/arm/configs/tegra_defconfig +++ b/trunk/arch/arm/configs/tegra_defconfig @@ -11,11 +11,14 @@ CONFIG_RT_GROUP_SCHED=y CONFIG_BLK_DEV_INITRD=y # CONFIG_ELF_CORE is not set CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y CONFIG_SLAB=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set +CONFIG_PARTITION_ADVANCED=y +CONFIG_EFI_PARTITION=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_ARCH_TEGRA=y @@ -27,18 +30,20 @@ CONFIG_MACH_PAZ00=y CONFIG_MACH_TRIMSLICE=y CONFIG_MACH_WARIO=y CONFIG_MACH_VENTANA=y -CONFIG_TEGRA_DEBUG_UARTD=y -CONFIG_ARM_ERRATA_742230=y +CONFIG_TEGRA_EMC_SCALING_ENABLE=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_SMP=y -CONFIG_NR_CPUS=2 CONFIG_PREEMPT=y CONFIG_AEABI=y # CONFIG_OABI_COMPAT is not set CONFIG_HIGHMEM=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_AUTO_ZRELADDR=y +CONFIG_CPU_FREQ=y +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y +CONFIG_CPU_IDLE=y CONFIG_VFP=y CONFIG_NET=y CONFIG_PACKET=y @@ -68,7 +73,6 @@ CONFIG_IPV6_MULTIPLE_TABLES=y # CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_PROC_DEVICETREE=y CONFIG_BLK_DEV_LOOP=y -CONFIG_MISC_DEVICES=y CONFIG_AD525X_DPOT=y CONFIG_AD525X_DPOT_I2C=y CONFIG_ICS932S401=y @@ -76,6 +80,7 @@ CONFIG_APDS9802ALS=y CONFIG_ISL29003=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y +CONFIG_BLK_DEV_SR=y # CONFIG_SCSI_LOWLEVEL is not set CONFIG_NETDEVICES=y CONFIG_DUMMY=y @@ -85,8 +90,7 @@ CONFIG_USB_USBNET=y CONFIG_USB_NET_SMSC75XX=y CONFIG_USB_NET_SMSC95XX=y # CONFIG_WLAN is not set -# CONFIG_INPUT is not set -# CONFIG_SERIO is not set +CONFIG_INPUT_EVDEV=y # CONFIG_VT is not set # CONFIG_LEGACY_PTYS is not set # CONFIG_DEVKMEM is not set @@ -96,13 +100,15 @@ CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_HW_RANDOM is not set CONFIG_I2C=y # CONFIG_I2C_COMPAT is not set -# CONFIG_I2C_HELPER_AUTO is not set CONFIG_I2C_TEGRA=y CONFIG_SPI=y CONFIG_SPI_TEGRA=y CONFIG_SENSORS_LM90=y CONFIG_MFD_TPS6586X=y CONFIG_REGULATOR=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y +CONFIG_REGULATOR_VIRTUAL_CONSUMER=y +CONFIG_REGULATOR_GPIO=y CONFIG_REGULATOR_TPS6586X=y CONFIG_SOUND=y CONFIG_SND=y @@ -116,11 +122,13 @@ CONFIG_SND_SOC=y CONFIG_SND_SOC_TEGRA=y CONFIG_SND_SOC_TEGRA_WM8903=y CONFIG_SND_SOC_TEGRA_TRIMSLICE=y +CONFIG_SND_SOC_TEGRA_ALC5632=y CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_TEGRA=y CONFIG_USB_STORAGE=y CONFIG_MMC=y +CONFIG_MMC_BLOCK_MINORS=16 CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_SDHCI_TEGRA=y @@ -130,6 +138,11 @@ CONFIG_STAGING=y CONFIG_IIO=y CONFIG_SENSORS_ISL29018=y CONFIG_SENSORS_AK8975=y +CONFIG_MFD_NVEC=y +CONFIG_KEYBOARD_NVEC=y +CONFIG_SERIO_NVEC_PS2=y +CONFIG_TEGRA_IOMMU_GART=y +CONFIG_TEGRA_IOMMU_SMMU=y CONFIG_EXT2_FS=y CONFIG_EXT2_FS_XATTR=y CONFIG_EXT2_FS_POSIX_ACL=y @@ -138,13 +151,12 @@ CONFIG_EXT3_FS=y # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set CONFIG_EXT3_FS_POSIX_ACL=y CONFIG_EXT3_FS_SECURITY=y +CONFIG_EXT4_FS=y # CONFIG_DNOTIFY is not set CONFIG_VFAT_FS=y CONFIG_TMPFS=y CONFIG_NFS_FS=y CONFIG_ROOT_NFS=y -CONFIG_PARTITION_ADVANCED=y -CONFIG_EFI_PARTITION=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_PRINTK_TIME=y @@ -162,9 +174,8 @@ CONFIG_DEBUG_SG=y CONFIG_DEBUG_LL=y CONFIG_EARLY_PRINTK=y CONFIG_CRYPTO_ECB=y -CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_ARC4=y CONFIG_CRYPTO_TWOFISH=y # CONFIG_CRYPTO_ANSI_CPRNG is not set +CONFIG_CRYPTO_DEV_TEGRA_AES=y CONFIG_CRC_CCITT=y -CONFIG_CRC16=y diff --git a/trunk/arch/arm/include/asm/assembler.h b/trunk/arch/arm/include/asm/assembler.h index 23371b17b23e..62f8095d46de 100644 --- a/trunk/arch/arm/include/asm/assembler.h +++ b/trunk/arch/arm/include/asm/assembler.h @@ -137,11 +137,6 @@ disable_irq .endm - .macro save_and_disable_irqs_notrace, oldcpsr - mrs \oldcpsr, cpsr - disable_irq_notrace - .endm - /* * Restore interrupt state previously stored in a register. We don't * guarantee that this will preserve the flags. diff --git a/trunk/arch/arm/include/asm/hardware/pl330.h b/trunk/arch/arm/include/asm/hardware/pl330.h index c1821385abfa..575fa8186ca0 100644 --- a/trunk/arch/arm/include/asm/hardware/pl330.h +++ b/trunk/arch/arm/include/asm/hardware/pl330.h @@ -41,7 +41,7 @@ enum pl330_dstcachectrl { DCCTRL1, /* Bufferable only */ DCCTRL2, /* Cacheable, but do not allocate */ DCCTRL3, /* Cacheable and bufferable, but do not allocate */ - DINVALID1, /* AWCACHE = 0x1000 */ + DINVALID1 = 8, DINVALID2, DCCTRL6, /* Cacheable write-through, allocate on writes only */ DCCTRL7, /* Cacheable write-back, allocate on writes only */ diff --git a/trunk/arch/arm/include/asm/pmu.h b/trunk/arch/arm/include/asm/pmu.h index 90114faa9f3c..b5a5be2536c1 100644 --- a/trunk/arch/arm/include/asm/pmu.h +++ b/trunk/arch/arm/include/asm/pmu.h @@ -134,7 +134,7 @@ int __init armpmu_register(struct arm_pmu *armpmu, char *name, int type); u64 armpmu_event_update(struct perf_event *event, struct hw_perf_event *hwc, - int idx); + int idx, int overflow); int armpmu_event_set_period(struct perf_event *event, struct hw_perf_event *hwc, diff --git a/trunk/arch/arm/include/asm/processor.h b/trunk/arch/arm/include/asm/processor.h index cb8d638924fd..ce280b8d613c 100644 --- a/trunk/arch/arm/include/asm/processor.h +++ b/trunk/arch/arm/include/asm/processor.h @@ -22,7 +22,6 @@ #include #include #include -#include #ifdef __KERNEL__ #define STACK_TOP ((current->personality & ADDR_LIMIT_32BIT) ? \ diff --git a/trunk/arch/arm/include/asm/system.h b/trunk/arch/arm/include/asm/system.h index 424aa458c487..e4c96cc6ec0c 100644 --- a/trunk/arch/arm/include/asm/system.h +++ b/trunk/arch/arm/include/asm/system.h @@ -110,7 +110,6 @@ extern void cpu_init(void); void soft_restart(unsigned long); extern void (*arm_pm_restart)(char str, const char *cmd); -extern void (*arm_pm_idle)(void); #define UDBG_UNDEFINED (1 << 0) #define UDBG_SYSCALL (1 << 1) diff --git a/trunk/arch/arm/include/asm/tlb.h b/trunk/arch/arm/include/asm/tlb.h index 314d4664eae7..5d3ed7e38561 100644 --- a/trunk/arch/arm/include/asm/tlb.h +++ b/trunk/arch/arm/include/asm/tlb.h @@ -198,15 +198,7 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { pgtable_page_dtor(pte); - - /* - * With the classic ARM MMU, a pte page has two corresponding pmd - * entries, each covering 1MB. - */ - addr &= PMD_MASK; - tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE); - tlb_add_flush(tlb, addr + SZ_1M); - + tlb_add_flush(tlb, addr); tlb_remove_page(tlb, pte); } diff --git a/trunk/arch/arm/kernel/ecard.c b/trunk/arch/arm/kernel/ecard.c index 1651d4950744..4dd0edab6a65 100644 --- a/trunk/arch/arm/kernel/ecard.c +++ b/trunk/arch/arm/kernel/ecard.c @@ -242,7 +242,6 @@ static void ecard_init_pgtables(struct mm_struct *mm) memcpy(dst_pgd, src_pgd, sizeof(pgd_t) * (EASI_SIZE / PGDIR_SIZE)); - vma.vm_flags = VM_EXEC; vma.vm_mm = mm; flush_tlb_range(&vma, IO_START, IO_START + IO_SIZE); diff --git a/trunk/arch/arm/kernel/entry-armv.S b/trunk/arch/arm/kernel/entry-armv.S index be16a48007b4..3a456c6c7005 100644 --- a/trunk/arch/arm/kernel/entry-armv.S +++ b/trunk/arch/arm/kernel/entry-armv.S @@ -790,7 +790,7 @@ __kuser_cmpxchg64: @ 0xffff0f60 smp_dmb arm rsbs r0, r3, #0 @ set returned val and C flag ldmfd sp!, {r4, r5, r6, r7} - usr_ret lr + bx lr #elif !defined(CONFIG_SMP) diff --git a/trunk/arch/arm/kernel/perf_event.c b/trunk/arch/arm/kernel/perf_event.c index b2abfa18f137..5bb91bf3d47f 100644 --- a/trunk/arch/arm/kernel/perf_event.c +++ b/trunk/arch/arm/kernel/perf_event.c @@ -180,7 +180,7 @@ armpmu_event_set_period(struct perf_event *event, u64 armpmu_event_update(struct perf_event *event, struct hw_perf_event *hwc, - int idx) + int idx, int overflow) { struct arm_pmu *armpmu = to_arm_pmu(event->pmu); u64 delta, prev_raw_count, new_raw_count; @@ -193,7 +193,13 @@ armpmu_event_update(struct perf_event *event, new_raw_count) != prev_raw_count) goto again; - delta = (new_raw_count - prev_raw_count) & armpmu->max_period; + new_raw_count &= armpmu->max_period; + prev_raw_count &= armpmu->max_period; + + if (overflow) + delta = armpmu->max_period - prev_raw_count + new_raw_count + 1; + else + delta = new_raw_count - prev_raw_count; local64_add(delta, &event->count); local64_sub(delta, &hwc->period_left); @@ -210,7 +216,7 @@ armpmu_read(struct perf_event *event) if (hwc->idx < 0) return; - armpmu_event_update(event, hwc, hwc->idx); + armpmu_event_update(event, hwc, hwc->idx, 0); } static void @@ -226,7 +232,7 @@ armpmu_stop(struct perf_event *event, int flags) if (!(hwc->state & PERF_HES_STOPPED)) { armpmu->disable(hwc, hwc->idx); barrier(); /* why? */ - armpmu_event_update(event, hwc, hwc->idx); + armpmu_event_update(event, hwc, hwc->idx, 0); hwc->state |= PERF_HES_STOPPED | PERF_HES_UPTODATE; } } @@ -512,13 +518,7 @@ __hw_perf_event_init(struct perf_event *event) hwc->config_base |= (unsigned long)mapping; if (!hwc->sample_period) { - /* - * For non-sampling runs, limit the sample_period to half - * of the counter width. That way, the new counter value - * is far less likely to overtake the previous one unless - * you have some serious IRQ latency issues. - */ - hwc->sample_period = armpmu->max_period >> 1; + hwc->sample_period = armpmu->max_period; hwc->last_period = hwc->sample_period; local64_set(&hwc->period_left, hwc->sample_period); } @@ -679,28 +679,6 @@ static void __init cpu_pmu_init(struct arm_pmu *armpmu) armpmu->type = ARM_PMU_DEVICE_CPU; } -/* - * PMU hardware loses all context when a CPU goes offline. - * When a CPU is hotplugged back in, since some hardware registers are - * UNKNOWN at reset, the PMU must be explicitly reset to avoid reading - * junk values out of them. - */ -static int __cpuinit pmu_cpu_notify(struct notifier_block *b, - unsigned long action, void *hcpu) -{ - if ((action & ~CPU_TASKS_FROZEN) != CPU_STARTING) - return NOTIFY_DONE; - - if (cpu_pmu && cpu_pmu->reset) - cpu_pmu->reset(NULL); - - return NOTIFY_OK; -} - -static struct notifier_block __cpuinitdata pmu_cpu_notifier = { - .notifier_call = pmu_cpu_notify, -}; - /* * CPU PMU identification and registration. */ @@ -752,7 +730,6 @@ init_hw_perf_events(void) pr_info("enabled with %s PMU driver, %d counters available\n", cpu_pmu->name, cpu_pmu->num_events); cpu_pmu_init(cpu_pmu); - register_cpu_notifier(&pmu_cpu_notifier); armpmu_register(cpu_pmu, "cpu", PERF_TYPE_RAW); } else { pr_info("no hardware support available\n"); diff --git a/trunk/arch/arm/kernel/perf_event_v6.c b/trunk/arch/arm/kernel/perf_event_v6.c index b78af0cc6ef3..533be9930ec2 100644 --- a/trunk/arch/arm/kernel/perf_event_v6.c +++ b/trunk/arch/arm/kernel/perf_event_v6.c @@ -467,6 +467,23 @@ armv6pmu_enable_event(struct hw_perf_event *hwc, raw_spin_unlock_irqrestore(&events->pmu_lock, flags); } +static int counter_is_active(unsigned long pmcr, int idx) +{ + unsigned long mask = 0; + if (idx == ARMV6_CYCLE_COUNTER) + mask = ARMV6_PMCR_CCOUNT_IEN; + else if (idx == ARMV6_COUNTER0) + mask = ARMV6_PMCR_COUNT0_IEN; + else if (idx == ARMV6_COUNTER1) + mask = ARMV6_PMCR_COUNT1_IEN; + + if (mask) + return pmcr & mask; + + WARN_ONCE(1, "invalid counter number (%d)\n", idx); + return 0; +} + static irqreturn_t armv6pmu_handle_irq(int irq_num, void *dev) @@ -496,8 +513,7 @@ armv6pmu_handle_irq(int irq_num, struct perf_event *event = cpuc->events[idx]; struct hw_perf_event *hwc; - /* Ignore if we don't have an event. */ - if (!event) + if (!counter_is_active(pmcr, idx)) continue; /* @@ -508,7 +524,7 @@ armv6pmu_handle_irq(int irq_num, continue; hwc = &event->hw; - armpmu_event_update(event, hwc, idx); + armpmu_event_update(event, hwc, idx, 1); data.period = event->hw.last_period; if (!armpmu_event_set_period(event, hwc, idx)) continue; diff --git a/trunk/arch/arm/kernel/perf_event_v7.c b/trunk/arch/arm/kernel/perf_event_v7.c index 4d7095af2ab3..460bbbb6b885 100644 --- a/trunk/arch/arm/kernel/perf_event_v7.c +++ b/trunk/arch/arm/kernel/perf_event_v7.c @@ -469,20 +469,6 @@ static const unsigned armv7_a5_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, }, }, - [C(NODE)] = { - [C(OP_READ)] = { - [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, - [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, - }, - [C(OP_WRITE)] = { - [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, - [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, - }, - [C(OP_PREFETCH)] = { - [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, - [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, - }, - }, }; /* @@ -593,20 +579,6 @@ static const unsigned armv7_a15_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, }, }, - [C(NODE)] = { - [C(OP_READ)] = { - [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, - [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, - }, - [C(OP_WRITE)] = { - [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, - [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, - }, - [C(OP_PREFETCH)] = { - [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, - [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, - }, - }, }; /* @@ -809,11 +781,6 @@ static inline int armv7_pmnc_disable_intens(int idx) counter = ARMV7_IDX_TO_COUNTER(idx); asm volatile("mcr p15, 0, %0, c9, c14, 2" : : "r" (BIT(counter))); - isb(); - /* Clear the overflow flag in case an interrupt is pending. */ - asm volatile("mcr p15, 0, %0, c9, c12, 3" : : "r" (BIT(counter))); - isb(); - return idx; } @@ -960,10 +927,6 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev) struct perf_event *event = cpuc->events[idx]; struct hw_perf_event *hwc; - /* Ignore if we don't have an event. */ - if (!event) - continue; - /* * We have a single interrupt for all counters. Check that * each counter has overflowed before we process it. @@ -972,7 +935,7 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev) continue; hwc = &event->hw; - armpmu_event_update(event, hwc, idx); + armpmu_event_update(event, hwc, idx, 1); data.period = event->hw.last_period; if (!armpmu_event_set_period(event, hwc, idx)) continue; diff --git a/trunk/arch/arm/kernel/perf_event_xscale.c b/trunk/arch/arm/kernel/perf_event_xscale.c index 71a21e6712f5..3b99d8269829 100644 --- a/trunk/arch/arm/kernel/perf_event_xscale.c +++ b/trunk/arch/arm/kernel/perf_event_xscale.c @@ -255,14 +255,11 @@ xscale1pmu_handle_irq(int irq_num, void *dev) struct perf_event *event = cpuc->events[idx]; struct hw_perf_event *hwc; - if (!event) - continue; - if (!xscale1_pmnc_counter_has_overflowed(pmnc, idx)) continue; hwc = &event->hw; - armpmu_event_update(event, hwc, idx); + armpmu_event_update(event, hwc, idx, 1); data.period = event->hw.last_period; if (!armpmu_event_set_period(event, hwc, idx)) continue; @@ -595,14 +592,11 @@ xscale2pmu_handle_irq(int irq_num, void *dev) struct perf_event *event = cpuc->events[idx]; struct hw_perf_event *hwc; - if (!event) - continue; - - if (!xscale2_pmnc_counter_has_overflowed(of_flags, idx)) + if (!xscale2_pmnc_counter_has_overflowed(pmnc, idx)) continue; hwc = &event->hw; - armpmu_event_update(event, hwc, idx); + armpmu_event_update(event, hwc, idx, 1); data.period = event->hw.last_period; if (!armpmu_event_set_period(event, hwc, idx)) continue; @@ -669,7 +663,7 @@ xscale2pmu_enable_event(struct hw_perf_event *hwc, int idx) static void xscale2pmu_disable_event(struct hw_perf_event *hwc, int idx) { - unsigned long flags, ien, evtsel, of_flags; + unsigned long flags, ien, evtsel; struct pmu_hw_events *events = cpu_pmu->get_hw_events(); ien = xscale2pmu_read_int_enable(); @@ -678,31 +672,26 @@ xscale2pmu_disable_event(struct hw_perf_event *hwc, int idx) switch (idx) { case XSCALE_CYCLE_COUNTER: ien &= ~XSCALE2_CCOUNT_INT_EN; - of_flags = XSCALE2_CCOUNT_OVERFLOW; break; case XSCALE_COUNTER0: ien &= ~XSCALE2_COUNT0_INT_EN; evtsel &= ~XSCALE2_COUNT0_EVT_MASK; evtsel |= XSCALE_PERFCTR_UNUSED << XSCALE2_COUNT0_EVT_SHFT; - of_flags = XSCALE2_COUNT0_OVERFLOW; break; case XSCALE_COUNTER1: ien &= ~XSCALE2_COUNT1_INT_EN; evtsel &= ~XSCALE2_COUNT1_EVT_MASK; evtsel |= XSCALE_PERFCTR_UNUSED << XSCALE2_COUNT1_EVT_SHFT; - of_flags = XSCALE2_COUNT1_OVERFLOW; break; case XSCALE_COUNTER2: ien &= ~XSCALE2_COUNT2_INT_EN; evtsel &= ~XSCALE2_COUNT2_EVT_MASK; evtsel |= XSCALE_PERFCTR_UNUSED << XSCALE2_COUNT2_EVT_SHFT; - of_flags = XSCALE2_COUNT2_OVERFLOW; break; case XSCALE_COUNTER3: ien &= ~XSCALE2_COUNT3_INT_EN; evtsel &= ~XSCALE2_COUNT3_EVT_MASK; evtsel |= XSCALE_PERFCTR_UNUSED << XSCALE2_COUNT3_EVT_SHFT; - of_flags = XSCALE2_COUNT3_OVERFLOW; break; default: WARN_ONCE(1, "invalid counter number (%d)\n", idx); @@ -712,7 +701,6 @@ xscale2pmu_disable_event(struct hw_perf_event *hwc, int idx) raw_spin_lock_irqsave(&events->pmu_lock, flags); xscale2pmu_write_event_select(evtsel); xscale2pmu_write_int_enable(ien); - xscale2pmu_write_overflow_flags(of_flags); raw_spin_unlock_irqrestore(&events->pmu_lock, flags); } diff --git a/trunk/arch/arm/kernel/process.c b/trunk/arch/arm/kernel/process.c index 008e7ce766a7..971d65c253a9 100644 --- a/trunk/arch/arm/kernel/process.c +++ b/trunk/arch/arm/kernel/process.c @@ -61,6 +61,8 @@ extern void setup_mm_for_reboot(void); static volatile int hlt_counter; +#include + void disable_hlt(void) { hlt_counter++; @@ -179,17 +181,13 @@ void cpu_idle_wait(void) EXPORT_SYMBOL_GPL(cpu_idle_wait); /* - * This is our default idle handler. + * This is our default idle handler. We need to disable + * interrupts here to ensure we don't miss a wakeup call. */ - -void (*arm_pm_idle)(void); - static void default_idle(void) { - if (arm_pm_idle) - arm_pm_idle(); - else - cpu_do_idle(); + if (!need_resched()) + arch_idle(); local_irq_enable(); } @@ -217,10 +215,6 @@ void cpu_idle(void) cpu_die(); #endif - /* - * We need to disable interrupts here - * to ensure we don't miss a wakeup call. - */ local_irq_disable(); #ifdef CONFIG_PL310_ERRATA_769419 wmb(); @@ -228,18 +222,19 @@ void cpu_idle(void) if (hlt_counter) { local_irq_enable(); cpu_relax(); - } else if (!need_resched()) { + } else { stop_critical_timings(); if (cpuidle_idle_call()) pm_idle(); start_critical_timings(); /* - * pm_idle functions must always - * return with IRQs enabled. + * This will eventually be removed - pm_idle + * functions should always return with IRQs + * enabled. */ WARN_ON(irqs_disabled()); - } else local_irq_enable(); + } } leds_event(led_idle_end); rcu_idle_exit(); diff --git a/trunk/arch/arm/kernel/ptrace.c b/trunk/arch/arm/kernel/ptrace.c index ede6443c34d9..e1d5e1929fbd 100644 --- a/trunk/arch/arm/kernel/ptrace.c +++ b/trunk/arch/arm/kernel/ptrace.c @@ -23,7 +23,6 @@ #include #include #include -#include #include #include @@ -700,13 +699,10 @@ static int vfp_set(struct task_struct *target, { int ret; struct thread_info *thread = task_thread_info(target); - struct vfp_hard_struct new_vfp; + struct vfp_hard_struct new_vfp = thread->vfpstate.hard; const size_t user_fpregs_offset = offsetof(struct user_vfp, fpregs); const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr); - vfp_sync_hwstate(thread); - new_vfp = thread->vfpstate.hard; - ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &new_vfp.fpregs, user_fpregs_offset, @@ -727,8 +723,9 @@ static int vfp_set(struct task_struct *target, if (ret) return ret; - vfp_flush_hwstate(thread); + vfp_sync_hwstate(thread); thread->vfpstate.hard = new_vfp; + vfp_flush_hwstate(thread); return 0; } @@ -905,12 +902,6 @@ long arch_ptrace(struct task_struct *child, long request, return ret; } -#ifdef __ARMEB__ -#define AUDIT_ARCH_NR AUDIT_ARCH_ARMEB -#else -#define AUDIT_ARCH_NR AUDIT_ARCH_ARM -#endif - asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) { unsigned long ip; @@ -925,7 +916,7 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) if (!ip) audit_syscall_exit(regs); else - audit_syscall_entry(AUDIT_ARCH_NR, scno, regs->ARM_r0, + audit_syscall_entry(AUDIT_ARCH_ARMEB, scno, regs->ARM_r0, regs->ARM_r1, regs->ARM_r2, regs->ARM_r3); if (!test_thread_flag(TIF_SYSCALL_TRACE)) diff --git a/trunk/arch/arm/kernel/signal.c b/trunk/arch/arm/kernel/signal.c index 9e617bd4a146..0340224cf73c 100644 --- a/trunk/arch/arm/kernel/signal.c +++ b/trunk/arch/arm/kernel/signal.c @@ -227,8 +227,6 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame) if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE) return -EINVAL; - vfp_flush_hwstate(thread); - /* * Copy the floating point registers. There can be unused * registers see asm/hwcap.h for details. @@ -253,6 +251,9 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame) __get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err); __get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err); + if (!err) + vfp_flush_hwstate(thread); + return err ? -EFAULT : 0; } diff --git a/trunk/arch/arm/kernel/smp_twd.c b/trunk/arch/arm/kernel/smp_twd.c index 7a79b24597b2..4285daa077b0 100644 --- a/trunk/arch/arm/kernel/smp_twd.c +++ b/trunk/arch/arm/kernel/smp_twd.c @@ -129,7 +129,7 @@ static struct notifier_block twd_cpufreq_nb = { static int twd_cpufreq_init(void) { - if (twd_evt && *__this_cpu_ptr(twd_evt) && !IS_ERR(twd_clk)) + if (!IS_ERR(twd_clk)) return cpufreq_register_notifier(&twd_cpufreq_nb, CPUFREQ_TRANSITION_NOTIFIER); diff --git a/trunk/arch/arm/kernel/traps.c b/trunk/arch/arm/kernel/traps.c index f84dfe67724f..99a572702509 100644 --- a/trunk/arch/arm/kernel/traps.c +++ b/trunk/arch/arm/kernel/traps.c @@ -266,7 +266,6 @@ void die(const char *str, struct pt_regs *regs, int err) { struct thread_info *thread = current_thread_info(); int ret; - enum bug_trap_type bug_type = BUG_TRAP_TYPE_NONE; oops_enter(); @@ -274,9 +273,7 @@ void die(const char *str, struct pt_regs *regs, int err) console_verbose(); bust_spinlocks(1); if (!user_mode(regs)) - bug_type = report_bug(regs->ARM_pc, regs); - if (bug_type != BUG_TRAP_TYPE_NONE) - str = "Oops - BUG"; + report_bug(regs->ARM_pc, regs); ret = __die(str, err, thread, regs); if (regs && kexec_should_crash(thread->task)) diff --git a/trunk/arch/arm/kernel/vmlinux.lds.S b/trunk/arch/arm/kernel/vmlinux.lds.S index 43a31fb06318..1e19691e0406 100644 --- a/trunk/arch/arm/kernel/vmlinux.lds.S +++ b/trunk/arch/arm/kernel/vmlinux.lds.S @@ -10,7 +10,6 @@ #include #define PROC_INFO \ - . = ALIGN(4); \ VMLINUX_SYMBOL(__proc_info_begin) = .; \ *(.proc.info.init) \ VMLINUX_SYMBOL(__proc_info_end) = .; diff --git a/trunk/arch/arm/mach-at91/at91cap9.c b/trunk/arch/arm/mach-at91/at91cap9.c index 8967d75c2ea3..a42edc25a87e 100644 --- a/trunk/arch/arm/mach-at91/at91cap9.c +++ b/trunk/arch/arm/mach-at91/at91cap9.c @@ -14,7 +14,6 @@ #include -#include #include #include #include @@ -314,12 +313,6 @@ static struct at91_gpio_bank at91cap9_gpio[] __initdata = { } }; -static void at91cap9_idle(void) -{ - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); - cpu_do_idle(); -} - /* -------------------------------------------------------------------- * AT91CAP9 processor initialization * -------------------------------------------------------------------- */ @@ -339,7 +332,6 @@ static void __init at91cap9_ioremap_registers(void) static void __init at91cap9_initialize(void) { - arm_pm_idle = at91cap9_idle; arm_pm_restart = at91sam9g45_restart; at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1); diff --git a/trunk/arch/arm/mach-at91/at91rm9200.c b/trunk/arch/arm/mach-at91/at91rm9200.c index dd6e2de13420..99c3174e24a2 100644 --- a/trunk/arch/arm/mach-at91/at91rm9200.c +++ b/trunk/arch/arm/mach-at91/at91rm9200.c @@ -289,15 +289,6 @@ static struct at91_gpio_bank at91rm9200_gpio[] __initdata = { } }; -static void at91rm9200_idle(void) -{ - /* - * Disable the processor clock. The processor will be automatically - * re-enabled by an interrupt or by a reset. - */ - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); -} - static void at91rm9200_restart(char mode, const char *cmd) { /* @@ -323,7 +314,6 @@ static void __init at91rm9200_ioremap_registers(void) static void __init at91rm9200_initialize(void) { - arm_pm_idle = at91rm9200_idle; arm_pm_restart = at91rm9200_restart; at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1) | (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3) diff --git a/trunk/arch/arm/mach-at91/at91rm9200_devices.c b/trunk/arch/arm/mach-at91/at91rm9200_devices.c index 97676bdae998..18bacec2b094 100644 --- a/trunk/arch/arm/mach-at91/at91rm9200_devices.c +++ b/trunk/arch/arm/mach-at91/at91rm9200_devices.c @@ -83,7 +83,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE) +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { diff --git a/trunk/arch/arm/mach-at91/at91sam9260.c b/trunk/arch/arm/mach-at91/at91sam9260.c index 9ac8c6fe3363..d4036ba43612 100644 --- a/trunk/arch/arm/mach-at91/at91sam9260.c +++ b/trunk/arch/arm/mach-at91/at91sam9260.c @@ -12,7 +12,6 @@ #include -#include #include #include #include @@ -329,15 +328,8 @@ static void __init at91sam9260_ioremap_registers(void) at91sam9_ioremap_smc(0, AT91SAM9260_BASE_SMC); } -static void at91sam9260_idle(void) -{ - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); - cpu_do_idle(); -} - static void __init at91sam9260_initialize(void) { - arm_pm_idle = at91sam9260_idle; arm_pm_restart = at91sam9_alt_restart; at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1) | (1 << AT91SAM9260_ID_IRQ2); diff --git a/trunk/arch/arm/mach-at91/at91sam9260_devices.c b/trunk/arch/arm/mach-at91/at91sam9260_devices.c index 5a24f0b4554d..642ccb6d26b2 100644 --- a/trunk/arch/arm/mach-at91/at91sam9260_devices.c +++ b/trunk/arch/arm/mach-at91/at91sam9260_devices.c @@ -84,7 +84,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE) +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { @@ -1215,7 +1215,8 @@ void __init at91_add_device_serial(void) {} * CF/IDE * -------------------------------------------------------------------- */ -#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \ +#if defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE) || \ + defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \ defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) static struct at91_cf_data cf0_data; @@ -1312,8 +1313,10 @@ void __init at91_add_device_cf(struct at91_cf_data *data) if (data->flags & AT91_CF_TRUE_IDE) #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) pdev->name = "pata_at91"; +#elif defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE) + pdev->name = "at91_ide"; #else -#warning "board requires AT91_CF_TRUE_IDE: enable pata_at91" +#warning "board requires AT91_CF_TRUE_IDE: enable either at91_ide or pata_at91" #endif else pdev->name = "at91_cf"; diff --git a/trunk/arch/arm/mach-at91/at91sam9261.c b/trunk/arch/arm/mach-at91/at91sam9261.c index ab76868f01f5..023c2ff138df 100644 --- a/trunk/arch/arm/mach-at91/at91sam9261.c +++ b/trunk/arch/arm/mach-at91/at91sam9261.c @@ -12,7 +12,6 @@ #include -#include #include #include #include @@ -287,15 +286,8 @@ static void __init at91sam9261_ioremap_registers(void) at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC); } -static void at91sam9261_idle(void) -{ - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); - cpu_do_idle(); -} - static void __init at91sam9261_initialize(void) { - arm_pm_idle = at91sam9261_idle; arm_pm_restart = at91sam9_alt_restart; at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1) | (1 << AT91SAM9261_ID_IRQ2); diff --git a/trunk/arch/arm/mach-at91/at91sam9261_devices.c b/trunk/arch/arm/mach-at91/at91sam9261_devices.c index 1e28bed8f425..fc59cbdb0e3c 100644 --- a/trunk/arch/arm/mach-at91/at91sam9261_devices.c +++ b/trunk/arch/arm/mach-at91/at91sam9261_devices.c @@ -87,7 +87,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE) +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { diff --git a/trunk/arch/arm/mach-at91/at91sam9263.c b/trunk/arch/arm/mach-at91/at91sam9263.c index 247ab633abcc..75e876c258af 100644 --- a/trunk/arch/arm/mach-at91/at91sam9263.c +++ b/trunk/arch/arm/mach-at91/at91sam9263.c @@ -12,7 +12,6 @@ #include -#include #include #include #include @@ -308,15 +307,8 @@ static void __init at91sam9263_ioremap_registers(void) at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1); } -static void at91sam9263_idle(void) -{ - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); - cpu_do_idle(); -} - static void __init at91sam9263_initialize(void) { - arm_pm_idle = at91sam9263_idle; arm_pm_restart = at91sam9_alt_restart; at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1); diff --git a/trunk/arch/arm/mach-at91/at91sam9263_devices.c b/trunk/arch/arm/mach-at91/at91sam9263_devices.c index 366a7765635b..7b46b2787022 100644 --- a/trunk/arch/arm/mach-at91/at91sam9263_devices.c +++ b/trunk/arch/arm/mach-at91/at91sam9263_devices.c @@ -92,7 +92,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} * USB Device (Gadget) * -------------------------------------------------------------------- */ -#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE) +#ifdef CONFIG_USB_AT91 static struct at91_udc_data udc_data; static struct resource udc_resources[] = { @@ -355,8 +355,8 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} * Compact Flash (PCMCIA or IDE) * -------------------------------------------------------------------- */ -#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \ - defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) +#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; @@ -450,7 +450,7 @@ void __init at91_add_device_cf(struct at91_cf_data *data) 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) ? "pata_at91" : "at91_cf"; + pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "at91_ide" : "at91_cf"; platform_device_register(pdev); } #else diff --git a/trunk/arch/arm/mach-at91/at91sam9g45.c b/trunk/arch/arm/mach-at91/at91sam9g45.c index 5b12192e52ec..1cb6a96b1c1e 100644 --- a/trunk/arch/arm/mach-at91/at91sam9g45.c +++ b/trunk/arch/arm/mach-at91/at91sam9g45.c @@ -317,12 +317,6 @@ static struct at91_gpio_bank at91sam9g45_gpio[] __initdata = { } }; -static void at91sam9g45_idle(void) -{ - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); - cpu_do_idle(); -} - /* -------------------------------------------------------------------- * AT91SAM9G45 processor initialization * -------------------------------------------------------------------- */ @@ -343,7 +337,6 @@ static void __init at91sam9g45_ioremap_registers(void) static void __init at91sam9g45_initialize(void) { - arm_pm_idle = at91sam9g45_idle; arm_pm_restart = at91sam9g45_restart; at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0); diff --git a/trunk/arch/arm/mach-at91/at91sam9g45_devices.c b/trunk/arch/arm/mach-at91/at91sam9g45_devices.c index 96e2adcd5a84..b7582dd10dc3 100644 --- a/trunk/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/trunk/arch/arm/mach-at91/at91sam9g45_devices.c @@ -38,6 +38,10 @@ #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE) static u64 hdmac_dmamask = DMA_BIT_MASK(32); +static struct at_dma_platform_data atdma_pdata = { + .nr_channels = 8, +}; + static struct resource hdmac_resources[] = { [0] = { .start = AT91SAM9G45_BASE_DMA, @@ -52,11 +56,12 @@ static struct resource hdmac_resources[] = { }; static struct platform_device at_hdmac_device = { - .name = "at91sam9g45_dma", + .name = "at_hdmac", .id = -1, .dev = { .dma_mask = &hdmac_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &atdma_pdata, }, .resource = hdmac_resources, .num_resources = ARRAY_SIZE(hdmac_resources), @@ -64,15 +69,9 @@ static struct platform_device at_hdmac_device = { void __init at91_add_device_hdmac(void) { -#if defined(CONFIG_OF) - struct device_node *of_node = - of_find_node_by_name(NULL, "dma-controller"); - - if (of_node) - of_node_put(of_node); - else -#endif - platform_device_register(&at_hdmac_device); + dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask); + dma_cap_set(DMA_SLAVE, atdma_pdata.cap_mask); + platform_device_register(&at_hdmac_device); } #else void __init at91_add_device_hdmac(void) {} diff --git a/trunk/arch/arm/mach-at91/at91sam9rl.c b/trunk/arch/arm/mach-at91/at91sam9rl.c index fd60e226a987..d2c91a841cb8 100644 --- a/trunk/arch/arm/mach-at91/at91sam9rl.c +++ b/trunk/arch/arm/mach-at91/at91sam9rl.c @@ -11,7 +11,6 @@ #include -#include #include #include #include @@ -292,15 +291,8 @@ static void __init at91sam9rl_ioremap_registers(void) at91sam9_ioremap_smc(0, AT91SAM9RL_BASE_SMC); } -static void at91sam9rl_idle(void) -{ - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); - cpu_do_idle(); -} - static void __init at91sam9rl_initialize(void) { - arm_pm_idle = at91sam9rl_idle; arm_pm_restart = at91sam9_alt_restart; at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0); diff --git a/trunk/arch/arm/mach-at91/at91sam9rl_devices.c b/trunk/arch/arm/mach-at91/at91sam9rl_devices.c index 9be71c11d0f0..61908dce9784 100644 --- a/trunk/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/trunk/arch/arm/mach-at91/at91sam9rl_devices.c @@ -33,6 +33,10 @@ #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE) static u64 hdmac_dmamask = DMA_BIT_MASK(32); +static struct at_dma_platform_data atdma_pdata = { + .nr_channels = 2, +}; + static struct resource hdmac_resources[] = { [0] = { .start = AT91SAM9RL_BASE_DMA, @@ -47,11 +51,12 @@ static struct resource hdmac_resources[] = { }; static struct platform_device at_hdmac_device = { - .name = "at91sam9rl_dma", + .name = "at_hdmac", .id = -1, .dev = { .dma_mask = &hdmac_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &atdma_pdata, }, .resource = hdmac_resources, .num_resources = ARRAY_SIZE(hdmac_resources), @@ -59,6 +64,7 @@ static struct platform_device at_hdmac_device = { void __init at91_add_device_hdmac(void) { + dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask); platform_device_register(&at_hdmac_device); } #else diff --git a/trunk/arch/arm/mach-at91/at91x40.c b/trunk/arch/arm/mach-at91/at91x40.c index 0154b7f44ff1..56ba3bd035ae 100644 --- a/trunk/arch/arm/mach-at91/at91x40.c +++ b/trunk/arch/arm/mach-at91/at91x40.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include @@ -38,19 +37,8 @@ unsigned long clk_get_rate(struct clk *clk) return AT91X40_MASTER_CLOCK; } -static void at91x40_idle(void) -{ - /* - * Disable the processor clock. The processor will be automatically - * re-enabled by an interrupt or by a reset. - */ - at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU); - cpu_do_idle(); -} - void __init at91x40_initialize(unsigned long main_clock) { - arm_pm_idle = at91x40_idle; at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1) | (1 << AT91X40_ID_IRQ2); } diff --git a/trunk/arch/arm/mach-at91/include/mach/at91sam9_smc.h b/trunk/arch/arm/mach-at91/include/mach/at91sam9_smc.h index 175e1fdd9fe8..eb18a70fa647 100644 --- a/trunk/arch/arm/mach-at91/include/mach/at91sam9_smc.h +++ b/trunk/arch/arm/mach-at91/include/mach/at91sam9_smc.h @@ -18,35 +18,6 @@ #include -#ifndef __ASSEMBLY__ -struct sam9_smc_config { - /* Setup register */ - u8 ncs_read_setup; - u8 nrd_setup; - u8 ncs_write_setup; - u8 nwe_setup; - - /* Pulse register */ - u8 ncs_read_pulse; - u8 nrd_pulse; - u8 ncs_write_pulse; - u8 nwe_pulse; - - /* Cycle register */ - u16 read_cycle; - u16 write_cycle; - - /* Mode register */ - u32 mode; - u8 tdf_cycles:4; -}; - -extern void sam9_smc_configure(int id, int cs, struct sam9_smc_config *config); -extern void sam9_smc_read(int id, int cs, struct sam9_smc_config *config); -extern void sam9_smc_read_mode(int id, int cs, struct sam9_smc_config *config); -extern void sam9_smc_write_mode(int id, int cs, struct sam9_smc_config *config); -#endif - #define AT91_SMC_SETUP 0x00 /* Setup Register for CS n */ #define AT91_SMC_NWESETUP (0x3f << 0) /* NWE Setup Length */ #define AT91_SMC_NWESETUP_(x) ((x) << 0) diff --git a/trunk/arch/arm/mach-at91/include/mach/system.h b/trunk/arch/arm/mach-at91/include/mach/system.h new file mode 100644 index 000000000000..cbd64f3bcecd --- /dev/null +++ b/trunk/arch/arm/mach-at91/include/mach/system.h @@ -0,0 +1,50 @@ +/* + * arch/arm/mach-at91/include/mach/system.h + * + * Copyright (C) 2003 SAN People + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include +#include +#include +#include + +static inline void arch_idle(void) +{ + /* + * Disable the processor clock. The processor will be automatically + * re-enabled by an interrupt or by a reset. + */ +#ifdef AT91_PS + at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU); +#else + at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); +#endif +#ifndef CONFIG_CPU_ARM920T + /* + * Set the processor (CP15) into 'Wait for Interrupt' mode. + * Post-RM9200 processors need this in conjunction with the above + * to save power when idle. + */ + cpu_do_idle(); +#endif +} + +#endif diff --git a/trunk/arch/arm/mach-at91/sam9_smc.c b/trunk/arch/arm/mach-at91/sam9_smc.c index 99a0a1d2b7dc..8294783b679d 100644 --- a/trunk/arch/arm/mach-at91/sam9_smc.c +++ b/trunk/arch/arm/mach-at91/sam9_smc.c @@ -2,7 +2,6 @@ * linux/arch/arm/mach-at91/sam9_smc.c * * Copyright (C) 2008 Andrew Victor - * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -23,22 +22,7 @@ static void __iomem *smc_base_addr[2]; -static void sam9_smc_cs_write_mode(void __iomem *base, - struct sam9_smc_config *config) -{ - __raw_writel(config->mode - | AT91_SMC_TDF_(config->tdf_cycles), - base + AT91_SMC_MODE); -} - -void sam9_smc_write_mode(int id, int cs, - struct sam9_smc_config *config) -{ - sam9_smc_cs_write_mode(AT91_SMC_CS(id, cs), config); -} - -static void sam9_smc_cs_configure(void __iomem *base, - struct sam9_smc_config *config) +static void __init sam9_smc_cs_configure(void __iomem *base, struct sam9_smc_config* config) { /* Setup register */ @@ -61,66 +45,16 @@ static void sam9_smc_cs_configure(void __iomem *base, base + AT91_SMC_CYCLE); /* Mode register */ - sam9_smc_cs_write_mode(base, config); + __raw_writel(config->mode + | AT91_SMC_TDF_(config->tdf_cycles), + base + AT91_SMC_MODE); } -void sam9_smc_configure(int id, int cs, - struct sam9_smc_config *config) +void __init sam9_smc_configure(int id, int cs, struct sam9_smc_config* config) { sam9_smc_cs_configure(AT91_SMC_CS(id, cs), config); } -static void sam9_smc_cs_read_mode(void __iomem *base, - struct sam9_smc_config *config) -{ - u32 val = __raw_readl(base + AT91_SMC_MODE); - - config->mode = (val & ~AT91_SMC_NWECYCLE); - config->tdf_cycles = (val & AT91_SMC_NWECYCLE) >> 16 ; -} - -void sam9_smc_read_mode(int id, int cs, - struct sam9_smc_config *config) -{ - sam9_smc_cs_read_mode(AT91_SMC_CS(id, cs), config); -} - -static void sam9_smc_cs_read(void __iomem *base, - struct sam9_smc_config *config) -{ - u32 val; - - /* Setup register */ - val = __raw_readl(base + AT91_SMC_SETUP); - - config->nwe_setup = val & AT91_SMC_NWESETUP; - config->ncs_write_setup = (val & AT91_SMC_NCS_WRSETUP) >> 8; - config->nrd_setup = (val & AT91_SMC_NRDSETUP) >> 16; - config->ncs_read_setup = (val & AT91_SMC_NCS_RDSETUP) >> 24; - - /* Pulse register */ - val = __raw_readl(base + AT91_SMC_PULSE); - - config->nwe_setup = val & AT91_SMC_NWEPULSE; - config->ncs_write_pulse = (val & AT91_SMC_NCS_WRPULSE) >> 8; - config->nrd_pulse = (val & AT91_SMC_NRDPULSE) >> 16; - config->ncs_read_pulse = (val & AT91_SMC_NCS_RDPULSE) >> 24; - - /* Cycle register */ - val = __raw_readl(base + AT91_SMC_CYCLE); - - config->write_cycle = val & AT91_SMC_NWECYCLE; - config->read_cycle = (val & AT91_SMC_NRDCYCLE) >> 16; - - /* Mode register */ - sam9_smc_cs_read_mode(base, config); -} - -void sam9_smc_read(int id, int cs, struct sam9_smc_config *config) -{ - sam9_smc_cs_read(AT91_SMC_CS(id, cs), config); -} - void __init at91sam9_ioremap_smc(int id, u32 addr) { if (id > 1) { diff --git a/trunk/arch/arm/mach-at91/sam9_smc.h b/trunk/arch/arm/mach-at91/sam9_smc.h index 3e52dcd4a59f..039c5ce17aec 100644 --- a/trunk/arch/arm/mach-at91/sam9_smc.h +++ b/trunk/arch/arm/mach-at91/sam9_smc.h @@ -8,4 +8,27 @@ * published by the Free Software Foundation. */ +struct sam9_smc_config { + /* Setup register */ + u8 ncs_read_setup; + u8 nrd_setup; + u8 ncs_write_setup; + u8 nwe_setup; + + /* Pulse register */ + u8 ncs_read_pulse; + u8 nrd_pulse; + u8 ncs_write_pulse; + u8 nwe_pulse; + + /* Cycle register */ + u16 read_cycle; + u16 write_cycle; + + /* Mode register */ + u32 mode; + u8 tdf_cycles:4; +}; + +extern void __init sam9_smc_configure(int id, int cs, struct sam9_smc_config* config); extern void __init at91sam9_ioremap_smc(int id, u32 addr); diff --git a/trunk/arch/arm/mach-bcmring/arch.c b/trunk/arch/arm/mach-bcmring/arch.c index 45c97b1ee9b1..9e5e7552498c 100644 --- a/trunk/arch/arm/mach-bcmring/arch.c +++ b/trunk/arch/arm/mach-bcmring/arch.c @@ -194,6 +194,6 @@ MACHINE_START(BCMRING, "BCMRING") .init_early = bcmring_init_early, .init_irq = bcmring_init_irq, .timer = &bcmring_timer, - .init_machine = bcmring_init_machine, + .init_machine = bcmring_init_machine .restart = bcmring_restart, MACHINE_END diff --git a/trunk/arch/arm/mach-bcmring/core.c b/trunk/arch/arm/mach-bcmring/core.c index 22e4e0a28ad1..6b67b7e8426c 100644 --- a/trunk/arch/arm/mach-bcmring/core.c +++ b/trunk/arch/arm/mach-bcmring/core.c @@ -52,8 +52,27 @@ #include #include -static AMBA_APB_DEVICE(uartA, "uarta", MM_ADDR_IO_UARTA, { IRQ_UARTA }, NULL); -static AMBA_APB_DEVICE(uartB, "uartb", MM_ADDR_IO_UARTB, { IRQ_UARTB }, NULL); +#define AMBA_DEVICE(name, initname, base, plat, size) \ +static struct amba_device name##_device = { \ + .dev = { \ + .coherent_dma_mask = ~0, \ + .init_name = initname, \ + .platform_data = plat \ + }, \ + .res = { \ + .start = MM_ADDR_IO_##base, \ + .end = MM_ADDR_IO_##base + (size) - 1, \ + .flags = IORESOURCE_MEM \ + }, \ + .dma_mask = ~0, \ + .irq = { \ + IRQ_##base \ + } \ +} + + +AMBA_DEVICE(uartA, "uarta", UARTA, NULL, SZ_4K); +AMBA_DEVICE(uartB, "uartb", UARTB, NULL, SZ_4K); static struct clk pll1_clk = { .name = "PLL1", diff --git a/trunk/arch/arm/mach-bcmring/dma.c b/trunk/arch/arm/mach-bcmring/dma.c index 1024396797e1..1a1a27dd5654 100644 --- a/trunk/arch/arm/mach-bcmring/dma.c +++ b/trunk/arch/arm/mach-bcmring/dma.c @@ -33,11 +33,17 @@ #include +#include #include #include #include #include +/* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */ +/* especially since dc4 doesn't use kmalloc'd memory. */ + +#define ALLOW_MAP_OF_KMALLOC_MEMORY 0 + /* ---- Public Variables ------------------------------------------------- */ /* ---- Private Constants and Types -------------------------------------- */ @@ -47,18 +53,58 @@ #define CONTROLLER_FROM_HANDLE(handle) (((handle) >> 4) & 0x0f) #define CHANNEL_FROM_HANDLE(handle) ((handle) & 0x0f) +#define DMA_MAP_DEBUG 0 + +#if DMA_MAP_DEBUG +# define DMA_MAP_PRINT(fmt, args...) printk("%s: " fmt, __func__, ## args) +#else +# define DMA_MAP_PRINT(fmt, args...) +#endif /* ---- Private Variables ------------------------------------------------ */ static DMA_Global_t gDMA; static struct proc_dir_entry *gDmaDir; +static atomic_t gDmaStatMemTypeKmalloc = ATOMIC_INIT(0); +static atomic_t gDmaStatMemTypeVmalloc = ATOMIC_INIT(0); +static atomic_t gDmaStatMemTypeUser = ATOMIC_INIT(0); +static atomic_t gDmaStatMemTypeCoherent = ATOMIC_INIT(0); + #include "dma_device.c" /* ---- Private Function Prototypes -------------------------------------- */ /* ---- Functions ------------------------------------------------------- */ +/****************************************************************************/ +/** +* Displays information for /proc/dma/mem-type +*/ +/****************************************************************************/ + +static int dma_proc_read_mem_type(char *buf, char **start, off_t offset, + int count, int *eof, void *data) +{ + int len = 0; + + len += sprintf(buf + len, "dma_map_mem statistics\n"); + len += + sprintf(buf + len, "coherent: %d\n", + atomic_read(&gDmaStatMemTypeCoherent)); + len += + sprintf(buf + len, "kmalloc: %d\n", + atomic_read(&gDmaStatMemTypeKmalloc)); + len += + sprintf(buf + len, "vmalloc: %d\n", + atomic_read(&gDmaStatMemTypeVmalloc)); + len += + sprintf(buf + len, "user: %d\n", + atomic_read(&gDmaStatMemTypeUser)); + + return len; +} + /****************************************************************************/ /** * Displays information for /proc/dma/channels @@ -800,6 +846,8 @@ int dma_init(void) dma_proc_read_channels, NULL); create_proc_read_entry("devices", 0, gDmaDir, dma_proc_read_devices, NULL); + create_proc_read_entry("mem-type", 0, gDmaDir, + dma_proc_read_mem_type, NULL); } out: @@ -1517,3 +1565,767 @@ int dma_set_device_handler(DMA_Device_t dev, /* Device to set the callback for. } EXPORT_SYMBOL(dma_set_device_handler); + +/****************************************************************************/ +/** +* Initializes a memory mapping structure +*/ +/****************************************************************************/ + +int dma_init_mem_map(DMA_MemMap_t *memMap) +{ + memset(memMap, 0, sizeof(*memMap)); + + sema_init(&memMap->lock, 1); + + return 0; +} + +EXPORT_SYMBOL(dma_init_mem_map); + +/****************************************************************************/ +/** +* Releases any memory currently being held by a memory mapping structure. +*/ +/****************************************************************************/ + +int dma_term_mem_map(DMA_MemMap_t *memMap) +{ + down(&memMap->lock); /* Just being paranoid */ + + /* Free up any allocated memory */ + + up(&memMap->lock); + memset(memMap, 0, sizeof(*memMap)); + + return 0; +} + +EXPORT_SYMBOL(dma_term_mem_map); + +/****************************************************************************/ +/** +* Looks at a memory address and categorizes it. +* +* @return One of the values from the DMA_MemType_t enumeration. +*/ +/****************************************************************************/ + +DMA_MemType_t dma_mem_type(void *addr) +{ + unsigned long addrVal = (unsigned long)addr; + + if (addrVal >= CONSISTENT_BASE) { + /* NOTE: DMA virtual memory space starts at 0xFFxxxxxx */ + + /* dma_alloc_xxx pages are physically and virtually contiguous */ + + return DMA_MEM_TYPE_DMA; + } + + /* Technically, we could add one more classification. Addresses between VMALLOC_END */ + /* and the beginning of the DMA virtual address could be considered to be I/O space. */ + /* Right now, nobody cares about this particular classification, so we ignore it. */ + + if (is_vmalloc_addr(addr)) { + /* Address comes from the vmalloc'd region. Pages are virtually */ + /* contiguous but NOT physically contiguous */ + + return DMA_MEM_TYPE_VMALLOC; + } + + if (addrVal >= PAGE_OFFSET) { + /* PAGE_OFFSET is typically 0xC0000000 */ + + /* kmalloc'd pages are physically contiguous */ + + return DMA_MEM_TYPE_KMALLOC; + } + + return DMA_MEM_TYPE_USER; +} + +EXPORT_SYMBOL(dma_mem_type); + +/****************************************************************************/ +/** +* Looks at a memory address and determines if we support DMA'ing to/from +* that type of memory. +* +* @return boolean - +* return value != 0 means dma supported +* return value == 0 means dma not supported +*/ +/****************************************************************************/ + +int dma_mem_supports_dma(void *addr) +{ + DMA_MemType_t memType = dma_mem_type(addr); + + return (memType == DMA_MEM_TYPE_DMA) +#if ALLOW_MAP_OF_KMALLOC_MEMORY + || (memType == DMA_MEM_TYPE_KMALLOC) +#endif + || (memType == DMA_MEM_TYPE_USER); +} + +EXPORT_SYMBOL(dma_mem_supports_dma); + +/****************************************************************************/ +/** +* Maps in a memory region such that it can be used for performing a DMA. +* +* @return +*/ +/****************************************************************************/ + +int dma_map_start(DMA_MemMap_t *memMap, /* Stores state information about the map */ + enum dma_data_direction dir /* Direction that the mapping will be going */ + ) { + int rc; + + down(&memMap->lock); + + DMA_MAP_PRINT("memMap: %p\n", memMap); + + if (memMap->inUse) { + printk(KERN_ERR "%s: memory map %p is already being used\n", + __func__, memMap); + rc = -EBUSY; + goto out; + } + + memMap->inUse = 1; + memMap->dir = dir; + memMap->numRegionsUsed = 0; + + rc = 0; + +out: + + DMA_MAP_PRINT("returning %d", rc); + + up(&memMap->lock); + + return rc; +} + +EXPORT_SYMBOL(dma_map_start); + +/****************************************************************************/ +/** +* Adds a segment of memory to a memory map. Each segment is both +* physically and virtually contiguous. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +static int dma_map_add_segment(DMA_MemMap_t *memMap, /* Stores state information about the map */ + DMA_Region_t *region, /* Region that the segment belongs to */ + void *virtAddr, /* Virtual address of the segment being added */ + dma_addr_t physAddr, /* Physical address of the segment being added */ + size_t numBytes /* Number of bytes of the segment being added */ + ) { + DMA_Segment_t *segment; + + DMA_MAP_PRINT("memMap:%p va:%p pa:0x%x #:%d\n", memMap, virtAddr, + physAddr, numBytes); + + /* Sanity check */ + + if (((unsigned long)virtAddr < (unsigned long)region->virtAddr) + || (((unsigned long)virtAddr + numBytes)) > + ((unsigned long)region->virtAddr + region->numBytes)) { + printk(KERN_ERR + "%s: virtAddr %p is outside region @ %p len: %d\n", + __func__, virtAddr, region->virtAddr, region->numBytes); + return -EINVAL; + } + + if (region->numSegmentsUsed > 0) { + /* Check to see if this segment is physically contiguous with the previous one */ + + segment = ®ion->segment[region->numSegmentsUsed - 1]; + + if ((segment->physAddr + segment->numBytes) == physAddr) { + /* It is - just add on to the end */ + + DMA_MAP_PRINT("appending %d bytes to last segment\n", + numBytes); + + segment->numBytes += numBytes; + + return 0; + } + } + + /* Reallocate to hold more segments, if required. */ + + if (region->numSegmentsUsed >= region->numSegmentsAllocated) { + DMA_Segment_t *newSegment; + size_t oldSize = + region->numSegmentsAllocated * sizeof(*newSegment); + int newAlloc = region->numSegmentsAllocated + 4; + size_t newSize = newAlloc * sizeof(*newSegment); + + newSegment = kmalloc(newSize, GFP_KERNEL); + if (newSegment == NULL) { + return -ENOMEM; + } + memcpy(newSegment, region->segment, oldSize); + memset(&((uint8_t *) newSegment)[oldSize], 0, + newSize - oldSize); + kfree(region->segment); + + region->numSegmentsAllocated = newAlloc; + region->segment = newSegment; + } + + segment = ®ion->segment[region->numSegmentsUsed]; + region->numSegmentsUsed++; + + segment->virtAddr = virtAddr; + segment->physAddr = physAddr; + segment->numBytes = numBytes; + + DMA_MAP_PRINT("returning success\n"); + + return 0; +} + +/****************************************************************************/ +/** +* Adds a region of memory to a memory map. Each region is virtually +* contiguous, but not necessarily physically contiguous. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +int dma_map_add_region(DMA_MemMap_t *memMap, /* Stores state information about the map */ + void *mem, /* Virtual address that we want to get a map of */ + size_t numBytes /* Number of bytes being mapped */ + ) { + unsigned long addr = (unsigned long)mem; + unsigned int offset; + int rc = 0; + DMA_Region_t *region; + dma_addr_t physAddr; + + down(&memMap->lock); + + DMA_MAP_PRINT("memMap:%p va:%p #:%d\n", memMap, mem, numBytes); + + if (!memMap->inUse) { + printk(KERN_ERR "%s: Make sure you call dma_map_start first\n", + __func__); + rc = -EINVAL; + goto out; + } + + /* Reallocate to hold more regions. */ + + if (memMap->numRegionsUsed >= memMap->numRegionsAllocated) { + DMA_Region_t *newRegion; + size_t oldSize = + memMap->numRegionsAllocated * sizeof(*newRegion); + int newAlloc = memMap->numRegionsAllocated + 4; + size_t newSize = newAlloc * sizeof(*newRegion); + + newRegion = kmalloc(newSize, GFP_KERNEL); + if (newRegion == NULL) { + rc = -ENOMEM; + goto out; + } + memcpy(newRegion, memMap->region, oldSize); + memset(&((uint8_t *) newRegion)[oldSize], 0, newSize - oldSize); + + kfree(memMap->region); + + memMap->numRegionsAllocated = newAlloc; + memMap->region = newRegion; + } + + region = &memMap->region[memMap->numRegionsUsed]; + memMap->numRegionsUsed++; + + offset = addr & ~PAGE_MASK; + + region->memType = dma_mem_type(mem); + region->virtAddr = mem; + region->numBytes = numBytes; + region->numSegmentsUsed = 0; + region->numLockedPages = 0; + region->lockedPages = NULL; + + switch (region->memType) { + case DMA_MEM_TYPE_VMALLOC: + { + atomic_inc(&gDmaStatMemTypeVmalloc); + + /* printk(KERN_ERR "%s: vmalloc'd pages are not supported\n", __func__); */ + + /* vmalloc'd pages are not physically contiguous */ + + rc = -EINVAL; + break; + } + + case DMA_MEM_TYPE_KMALLOC: + { + atomic_inc(&gDmaStatMemTypeKmalloc); + + /* kmalloc'd pages are physically contiguous, so they'll have exactly */ + /* one segment */ + +#if ALLOW_MAP_OF_KMALLOC_MEMORY + physAddr = + dma_map_single(NULL, mem, numBytes, memMap->dir); + rc = dma_map_add_segment(memMap, region, mem, physAddr, + numBytes); +#else + rc = -EINVAL; +#endif + break; + } + + case DMA_MEM_TYPE_DMA: + { + /* dma_alloc_xxx pages are physically contiguous */ + + atomic_inc(&gDmaStatMemTypeCoherent); + + physAddr = (vmalloc_to_pfn(mem) << PAGE_SHIFT) + offset; + + dma_sync_single_for_cpu(NULL, physAddr, numBytes, + memMap->dir); + rc = dma_map_add_segment(memMap, region, mem, physAddr, + numBytes); + break; + } + + case DMA_MEM_TYPE_USER: + { + size_t firstPageOffset; + size_t firstPageSize; + struct page **pages; + struct task_struct *userTask; + + atomic_inc(&gDmaStatMemTypeUser); + +#if 1 + /* If the pages are user pages, then the dma_mem_map_set_user_task function */ + /* must have been previously called. */ + + if (memMap->userTask == NULL) { + printk(KERN_ERR + "%s: must call dma_mem_map_set_user_task when using user-mode memory\n", + __func__); + return -EINVAL; + } + + /* User pages need to be locked. */ + + firstPageOffset = + (unsigned long)region->virtAddr & (PAGE_SIZE - 1); + firstPageSize = PAGE_SIZE - firstPageOffset; + + region->numLockedPages = (firstPageOffset + + region->numBytes + + PAGE_SIZE - 1) / PAGE_SIZE; + pages = + kmalloc(region->numLockedPages * + sizeof(struct page *), GFP_KERNEL); + + if (pages == NULL) { + region->numLockedPages = 0; + return -ENOMEM; + } + + userTask = memMap->userTask; + + down_read(&userTask->mm->mmap_sem); + rc = get_user_pages(userTask, /* task */ + userTask->mm, /* mm */ + (unsigned long)region->virtAddr, /* start */ + region->numLockedPages, /* len */ + memMap->dir == DMA_FROM_DEVICE, /* write */ + 0, /* force */ + pages, /* pages (array of pointers to page) */ + NULL); /* vmas */ + up_read(&userTask->mm->mmap_sem); + + if (rc != region->numLockedPages) { + kfree(pages); + region->numLockedPages = 0; + + if (rc >= 0) { + rc = -EINVAL; + } + } else { + uint8_t *virtAddr = region->virtAddr; + size_t bytesRemaining; + int pageIdx; + + rc = 0; /* Since get_user_pages returns +ve number */ + + region->lockedPages = pages; + + /* We've locked the user pages. Now we need to walk them and figure */ + /* out the physical addresses. */ + + /* The first page may be partial */ + + dma_map_add_segment(memMap, + region, + virtAddr, + PFN_PHYS(page_to_pfn + (pages[0])) + + firstPageOffset, + firstPageSize); + + virtAddr += firstPageSize; + bytesRemaining = + region->numBytes - firstPageSize; + + for (pageIdx = 1; + pageIdx < region->numLockedPages; + pageIdx++) { + size_t bytesThisPage = + (bytesRemaining > + PAGE_SIZE ? PAGE_SIZE : + bytesRemaining); + + DMA_MAP_PRINT + ("pageIdx:%d pages[pageIdx]=%p pfn=%u phys=%u\n", + pageIdx, pages[pageIdx], + page_to_pfn(pages[pageIdx]), + PFN_PHYS(page_to_pfn + (pages[pageIdx]))); + + dma_map_add_segment(memMap, + region, + virtAddr, + PFN_PHYS(page_to_pfn + (pages + [pageIdx])), + bytesThisPage); + + virtAddr += bytesThisPage; + bytesRemaining -= bytesThisPage; + } + } +#else + printk(KERN_ERR + "%s: User mode pages are not yet supported\n", + __func__); + + /* user pages are not physically contiguous */ + + rc = -EINVAL; +#endif + break; + } + + default: + { + printk(KERN_ERR "%s: Unsupported memory type: %d\n", + __func__, region->memType); + + rc = -EINVAL; + break; + } + } + + if (rc != 0) { + memMap->numRegionsUsed--; + } + +out: + + DMA_MAP_PRINT("returning %d\n", rc); + + up(&memMap->lock); + + return rc; +} + +EXPORT_SYMBOL(dma_map_add_segment); + +/****************************************************************************/ +/** +* Maps in a memory region such that it can be used for performing a DMA. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +int dma_map_mem(DMA_MemMap_t *memMap, /* Stores state information about the map */ + void *mem, /* Virtual address that we want to get a map of */ + size_t numBytes, /* Number of bytes being mapped */ + enum dma_data_direction dir /* Direction that the mapping will be going */ + ) { + int rc; + + rc = dma_map_start(memMap, dir); + if (rc == 0) { + rc = dma_map_add_region(memMap, mem, numBytes); + if (rc < 0) { + /* Since the add fails, this function will fail, and the caller won't */ + /* call unmap, so we need to do it here. */ + + dma_unmap(memMap, 0); + } + } + + return rc; +} + +EXPORT_SYMBOL(dma_map_mem); + +/****************************************************************************/ +/** +* Setup a descriptor ring for a given memory map. +* +* It is assumed that the descriptor ring has already been initialized, and +* this routine will only reallocate a new descriptor ring if the existing +* one is too small. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +int dma_map_create_descriptor_ring(DMA_Device_t dev, /* DMA device (where the ring is stored) */ + DMA_MemMap_t *memMap, /* Memory map that will be used */ + dma_addr_t devPhysAddr /* Physical address of device */ + ) { + int rc; + int numDescriptors; + DMA_DeviceAttribute_t *devAttr; + DMA_Region_t *region; + DMA_Segment_t *segment; + dma_addr_t srcPhysAddr; + dma_addr_t dstPhysAddr; + int regionIdx; + int segmentIdx; + + devAttr = &DMA_gDeviceAttribute[dev]; + + down(&memMap->lock); + + /* Figure out how many descriptors we need */ + + numDescriptors = 0; + for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) { + region = &memMap->region[regionIdx]; + + for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed; + segmentIdx++) { + segment = ®ion->segment[segmentIdx]; + + if (memMap->dir == DMA_TO_DEVICE) { + srcPhysAddr = segment->physAddr; + dstPhysAddr = devPhysAddr; + } else { + srcPhysAddr = devPhysAddr; + dstPhysAddr = segment->physAddr; + } + + rc = + dma_calculate_descriptor_count(dev, srcPhysAddr, + dstPhysAddr, + segment-> + numBytes); + if (rc < 0) { + printk(KERN_ERR + "%s: dma_calculate_descriptor_count failed: %d\n", + __func__, rc); + goto out; + } + numDescriptors += rc; + } + } + + /* Adjust the size of the ring, if it isn't big enough */ + + if (numDescriptors > devAttr->ring.descriptorsAllocated) { + dma_free_descriptor_ring(&devAttr->ring); + rc = + dma_alloc_descriptor_ring(&devAttr->ring, + numDescriptors); + if (rc < 0) { + printk(KERN_ERR + "%s: dma_alloc_descriptor_ring failed: %d\n", + __func__, rc); + goto out; + } + } else { + rc = + dma_init_descriptor_ring(&devAttr->ring, + numDescriptors); + if (rc < 0) { + printk(KERN_ERR + "%s: dma_init_descriptor_ring failed: %d\n", + __func__, rc); + goto out; + } + } + + /* Populate the descriptors */ + + for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) { + region = &memMap->region[regionIdx]; + + for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed; + segmentIdx++) { + segment = ®ion->segment[segmentIdx]; + + if (memMap->dir == DMA_TO_DEVICE) { + srcPhysAddr = segment->physAddr; + dstPhysAddr = devPhysAddr; + } else { + srcPhysAddr = devPhysAddr; + dstPhysAddr = segment->physAddr; + } + + rc = + dma_add_descriptors(&devAttr->ring, dev, + srcPhysAddr, dstPhysAddr, + segment->numBytes); + if (rc < 0) { + printk(KERN_ERR + "%s: dma_add_descriptors failed: %d\n", + __func__, rc); + goto out; + } + } + } + + rc = 0; + +out: + + up(&memMap->lock); + return rc; +} + +EXPORT_SYMBOL(dma_map_create_descriptor_ring); + +/****************************************************************************/ +/** +* Maps in a memory region such that it can be used for performing a DMA. +* +* @return +*/ +/****************************************************************************/ + +int dma_unmap(DMA_MemMap_t *memMap, /* Stores state information about the map */ + int dirtied /* non-zero if any of the pages were modified */ + ) { + + int rc = 0; + int regionIdx; + int segmentIdx; + DMA_Region_t *region; + DMA_Segment_t *segment; + + down(&memMap->lock); + + for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) { + region = &memMap->region[regionIdx]; + + for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed; + segmentIdx++) { + segment = ®ion->segment[segmentIdx]; + + switch (region->memType) { + case DMA_MEM_TYPE_VMALLOC: + { + printk(KERN_ERR + "%s: vmalloc'd pages are not yet supported\n", + __func__); + rc = -EINVAL; + goto out; + } + + case DMA_MEM_TYPE_KMALLOC: + { +#if ALLOW_MAP_OF_KMALLOC_MEMORY + dma_unmap_single(NULL, + segment->physAddr, + segment->numBytes, + memMap->dir); +#endif + break; + } + + case DMA_MEM_TYPE_DMA: + { + dma_sync_single_for_cpu(NULL, + segment-> + physAddr, + segment-> + numBytes, + memMap->dir); + break; + } + + case DMA_MEM_TYPE_USER: + { + /* Nothing to do here. */ + + break; + } + + default: + { + printk(KERN_ERR + "%s: Unsupported memory type: %d\n", + __func__, region->memType); + rc = -EINVAL; + goto out; + } + } + + segment->virtAddr = NULL; + segment->physAddr = 0; + segment->numBytes = 0; + } + + if (region->numLockedPages > 0) { + int pageIdx; + + /* Some user pages were locked. We need to go and unlock them now. */ + + for (pageIdx = 0; pageIdx < region->numLockedPages; + pageIdx++) { + struct page *page = + region->lockedPages[pageIdx]; + + if (memMap->dir == DMA_FROM_DEVICE) { + SetPageDirty(page); + } + page_cache_release(page); + } + kfree(region->lockedPages); + region->numLockedPages = 0; + region->lockedPages = NULL; + } + + region->memType = DMA_MEM_TYPE_NONE; + region->virtAddr = NULL; + region->numBytes = 0; + region->numSegmentsUsed = 0; + } + memMap->userTask = NULL; + memMap->numRegionsUsed = 0; + memMap->inUse = 0; + +out: + up(&memMap->lock); + + return rc; +} + +EXPORT_SYMBOL(dma_unmap); diff --git a/trunk/arch/arm/mach-bcmring/include/mach/dma.h b/trunk/arch/arm/mach-bcmring/include/mach/dma.h index 72543781207b..1f2c5319c056 100644 --- a/trunk/arch/arm/mach-bcmring/include/mach/dma.h +++ b/trunk/arch/arm/mach-bcmring/include/mach/dma.h @@ -26,9 +26,15 @@ /* ---- Include Files ---------------------------------------------------- */ #include +#include #include #include #include +#include +#include +#include +#include +#include /* ---- Constants and Types ---------------------------------------------- */ @@ -105,6 +111,78 @@ typedef struct { } DMA_DescriptorRing_t; +/**************************************************************************** +* +* The DMA_MemType_t and DMA_MemMap_t are helper structures used to setup +* DMA chains from a variety of memory sources. +* +*****************************************************************************/ + +#define DMA_MEM_MAP_MIN_SIZE 4096 /* Pages less than this size are better */ + /* off not being DMA'd. */ + +typedef enum { + DMA_MEM_TYPE_NONE, /* Not a valid setting */ + DMA_MEM_TYPE_VMALLOC, /* Memory came from vmalloc call */ + DMA_MEM_TYPE_KMALLOC, /* Memory came from kmalloc call */ + DMA_MEM_TYPE_DMA, /* Memory came from dma_alloc_xxx call */ + DMA_MEM_TYPE_USER, /* Memory came from user space. */ + +} DMA_MemType_t; + +/* A segment represents a physically and virtually contiguous chunk of memory. */ +/* i.e. each segment can be DMA'd */ +/* A user of the DMA code will add memory regions. Each region may need to be */ +/* represented by one or more segments. */ + +typedef struct { + void *virtAddr; /* Virtual address used for this segment */ + dma_addr_t physAddr; /* Physical address this segment maps to */ + size_t numBytes; /* Size of the segment, in bytes */ + +} DMA_Segment_t; + +/* A region represents a virtually contiguous chunk of memory, which may be */ +/* made up of multiple segments. */ + +typedef struct { + DMA_MemType_t memType; + void *virtAddr; + size_t numBytes; + + /* Each region (virtually contiguous) consists of one or more segments. Each */ + /* segment is virtually and physically contiguous. */ + + int numSegmentsUsed; + int numSegmentsAllocated; + DMA_Segment_t *segment; + + /* When a region corresponds to user memory, we need to lock all of the pages */ + /* down before we can figure out the physical addresses. The lockedPage array contains */ + /* the pages that were locked, and which subsequently need to be unlocked once the */ + /* memory is unmapped. */ + + unsigned numLockedPages; + struct page **lockedPages; + +} DMA_Region_t; + +typedef struct { + int inUse; /* Is this mapping currently being used? */ + struct semaphore lock; /* Acquired when using this structure */ + enum dma_data_direction dir; /* Direction this transfer is intended for */ + + /* In the event that we're mapping user memory, we need to know which task */ + /* the memory is for, so that we can obtain the correct mm locks. */ + + struct task_struct *userTask; + + int numRegionsUsed; + int numRegionsAllocated; + DMA_Region_t *region; + +} DMA_MemMap_t; + /**************************************************************************** * * The DMA_DeviceAttribute_t contains information which describes a @@ -490,6 +568,124 @@ int dma_alloc_double_dst_descriptors(DMA_Handle_t handle, /* DMA Handle */ size_t numBytes /* Number of bytes in each destination buffer */ ); +/****************************************************************************/ +/** +* Initializes a DMA_MemMap_t data structure +*/ +/****************************************************************************/ + +int dma_init_mem_map(DMA_MemMap_t *memMap /* Stores state information about the map */ + ); + +/****************************************************************************/ +/** +* Releases any memory currently being held by a memory mapping structure. +*/ +/****************************************************************************/ + +int dma_term_mem_map(DMA_MemMap_t *memMap /* Stores state information about the map */ + ); + +/****************************************************************************/ +/** +* Looks at a memory address and categorizes it. +* +* @return One of the values from the DMA_MemType_t enumeration. +*/ +/****************************************************************************/ + +DMA_MemType_t dma_mem_type(void *addr); + +/****************************************************************************/ +/** +* Sets the process (aka userTask) associated with a mem map. This is +* required if user-mode segments will be added to the mapping. +*/ +/****************************************************************************/ + +static inline void dma_mem_map_set_user_task(DMA_MemMap_t *memMap, + struct task_struct *task) +{ + memMap->userTask = task; +} + +/****************************************************************************/ +/** +* Looks at a memory address and determines if we support DMA'ing to/from +* that type of memory. +* +* @return boolean - +* return value != 0 means dma supported +* return value == 0 means dma not supported +*/ +/****************************************************************************/ + +int dma_mem_supports_dma(void *addr); + +/****************************************************************************/ +/** +* Initializes a memory map for use. Since this function acquires a +* sempaphore within the memory map, it is VERY important that dma_unmap +* be called when you're finished using the map. +*/ +/****************************************************************************/ + +int dma_map_start(DMA_MemMap_t *memMap, /* Stores state information about the map */ + enum dma_data_direction dir /* Direction that the mapping will be going */ + ); + +/****************************************************************************/ +/** +* Adds a segment of memory to a memory map. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +int dma_map_add_region(DMA_MemMap_t *memMap, /* Stores state information about the map */ + void *mem, /* Virtual address that we want to get a map of */ + size_t numBytes /* Number of bytes being mapped */ + ); + +/****************************************************************************/ +/** +* Creates a descriptor ring from a memory mapping. +* +* @return 0 on success, error code otherwise. +*/ +/****************************************************************************/ + +int dma_map_create_descriptor_ring(DMA_Device_t dev, /* DMA device (where the ring is stored) */ + DMA_MemMap_t *memMap, /* Memory map that will be used */ + dma_addr_t devPhysAddr /* Physical address of device */ + ); + +/****************************************************************************/ +/** +* Maps in a memory region such that it can be used for performing a DMA. +* +* @return +*/ +/****************************************************************************/ + +int dma_map_mem(DMA_MemMap_t *memMap, /* Stores state information about the map */ + void *addr, /* Virtual address that we want to get a map of */ + size_t count, /* Number of bytes being mapped */ + enum dma_data_direction dir /* Direction that the mapping will be going */ + ); + +/****************************************************************************/ +/** +* Maps in a memory region such that it can be used for performing a DMA. +* +* @return +*/ +/****************************************************************************/ + +int dma_unmap(DMA_MemMap_t *memMap, /* Stores state information about the map */ + int dirtied /* non-zero if any of the pages were modified */ + ); + /****************************************************************************/ /** * Initiates a transfer when the descriptors have already been setup. diff --git a/trunk/arch/arm/mach-bcmring/include/mach/system.h b/trunk/arch/arm/mach-bcmring/include/mach/system.h new file mode 100644 index 000000000000..cb78250db649 --- /dev/null +++ b/trunk/arch/arm/mach-bcmring/include/mach/system.h @@ -0,0 +1,28 @@ +/* + * + * Copyright (C) 1999 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +#endif diff --git a/trunk/arch/arm/mach-clps711x/common.c b/trunk/arch/arm/mach-clps711x/common.c index 8736c1acc166..ab1711b9b4d6 100644 --- a/trunk/arch/arm/mach-clps711x/common.c +++ b/trunk/arch/arm/mach-clps711x/common.c @@ -225,19 +225,3 @@ void clps711x_restart(char mode, const char *cmd) { soft_restart(0); } - -static void clps711x_idle(void) -{ - clps_writel(1, HALT); - __asm__ __volatile__( - "mov r0, r0\n\ - mov r0, r0"); -} - -static int __init clps711x_idle_init(void) -{ - arm_pm_idle = clps711x_idle; - return 0; -} - -arch_initcall(clps711x_idle_init); diff --git a/trunk/arch/arm/mach-clps711x/include/mach/system.h b/trunk/arch/arm/mach-clps711x/include/mach/system.h new file mode 100644 index 000000000000..23d6ef8c84da --- /dev/null +++ b/trunk/arch/arm/mach-clps711x/include/mach/system.h @@ -0,0 +1,35 @@ +/* + * arch/arm/mach-clps711x/include/mach/system.h + * + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include +#include +#include + +static inline void arch_idle(void) +{ + clps_writel(1, HALT); + __asm__ __volatile__( + "mov r0, r0\n\ + mov r0, r0"); +} + +#endif diff --git a/trunk/arch/arm/mach-cns3xxx/include/mach/system.h b/trunk/arch/arm/mach-cns3xxx/include/mach/system.h new file mode 100644 index 000000000000..9e56b7dc133a --- /dev/null +++ b/trunk/arch/arm/mach-cns3xxx/include/mach/system.h @@ -0,0 +1,25 @@ +/* + * Copyright 2000 Deep Blue Solutions Ltd + * Copyright 2003 ARM Limited + * Copyright 2008 Cavium Networks + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + */ + +#ifndef __MACH_SYSTEM_H +#define __MACH_SYSTEM_H + +#include + +static inline void arch_idle(void) +{ + /* + * This should do all the clock switching + * and wait for interrupt tricks + */ + cpu_do_idle(); +} + +#endif diff --git a/trunk/arch/arm/mach-davinci/board-da850-evm.c b/trunk/arch/arm/mach-davinci/board-da850-evm.c index d5088900af6c..6b22b543a83f 100644 --- a/trunk/arch/arm/mach-davinci/board-da850-evm.c +++ b/trunk/arch/arm/mach-davinci/board-da850-evm.c @@ -44,7 +44,7 @@ #include #include -#define DA850_EVM_PHY_ID "davinci_mdio-0:00" +#define DA850_EVM_PHY_ID "0:00" #define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8) #define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15) diff --git a/trunk/arch/arm/mach-davinci/board-dm365-evm.c b/trunk/arch/arm/mach-davinci/board-dm365-evm.c index 849311d3cb7c..346e1de2f5a8 100644 --- a/trunk/arch/arm/mach-davinci/board-dm365-evm.c +++ b/trunk/arch/arm/mach-davinci/board-dm365-evm.c @@ -54,7 +54,7 @@ static inline int have_tvp7002(void) return 0; } -#define DM365_EVM_PHY_ID "davinci_mdio-0:01" +#define DM365_EVM_PHY_ID "0:01" /* * A MAX-II CPLD is used for various board control functions. */ diff --git a/trunk/arch/arm/mach-davinci/board-dm644x-evm.c b/trunk/arch/arm/mach-davinci/board-dm644x-evm.c index 1247ecdcf752..a64b49cfedca 100644 --- a/trunk/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/trunk/arch/arm/mach-davinci/board-dm644x-evm.c @@ -40,7 +40,7 @@ #include #include -#define DM644X_EVM_PHY_ID "davinci_mdio-0:01" +#define DM644X_EVM_PHY_ID "0:01" #define LXT971_PHY_ID (0x001378e2) #define LXT971_PHY_MASK (0xfffffff0) diff --git a/trunk/arch/arm/mach-davinci/board-dm646x-evm.c b/trunk/arch/arm/mach-davinci/board-dm646x-evm.c index 872ac69fa049..64017558860b 100644 --- a/trunk/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/trunk/arch/arm/mach-davinci/board-dm646x-evm.c @@ -736,7 +736,7 @@ static struct davinci_uart_config uart_config __initdata = { .enabled_uarts = (1 << 0), }; -#define DM646X_EVM_PHY_ID "davinci_mdio-0:01" +#define DM646X_EVM_PHY_ID "0:01" /* * The following EDMA channels/slots are not being used by drivers (for * example: Timer, GPIO, UART events etc) on dm646x, hence they are being diff --git a/trunk/arch/arm/mach-davinci/board-neuros-osd2.c b/trunk/arch/arm/mach-davinci/board-neuros-osd2.c index 8d34f513d415..6c4a16415d47 100644 --- a/trunk/arch/arm/mach-davinci/board-neuros-osd2.c +++ b/trunk/arch/arm/mach-davinci/board-neuros-osd2.c @@ -39,7 +39,7 @@ #include #include -#define NEUROS_OSD2_PHY_ID "davinci_mdio-0:01" +#define NEUROS_OSD2_PHY_ID "0:01" #define LXT971_PHY_ID 0x001378e2 #define LXT971_PHY_MASK 0xfffffff0 diff --git a/trunk/arch/arm/mach-davinci/board-omapl138-hawk.c b/trunk/arch/arm/mach-davinci/board-omapl138-hawk.c index 45e815760a27..e7c0c7c53493 100644 --- a/trunk/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/trunk/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -21,7 +21,7 @@ #include #include -#define HAWKBOARD_PHY_ID "davinci_mdio-0:07" +#define HAWKBOARD_PHY_ID "0:07" #define DA850_HAWK_MMCSD_CD_PIN GPIO_TO_PIN(3, 12) #define DA850_HAWK_MMCSD_WP_PIN GPIO_TO_PIN(3, 13) diff --git a/trunk/arch/arm/mach-davinci/board-sffsdr.c b/trunk/arch/arm/mach-davinci/board-sffsdr.c index 31da3c5b2ba3..0b136a831c59 100644 --- a/trunk/arch/arm/mach-davinci/board-sffsdr.c +++ b/trunk/arch/arm/mach-davinci/board-sffsdr.c @@ -42,7 +42,7 @@ #include #include -#define SFFSDR_PHY_ID "davinci_mdio-0:01" +#define SFFSDR_PHY_ID "0:01" static struct mtd_partition davinci_sffsdr_nandflash_partition[] = { /* U-Boot Environment: Block 0 * UBL: Block 1 diff --git a/trunk/arch/arm/mach-davinci/da850.c b/trunk/arch/arm/mach-davinci/da850.c index 992c4c410185..0ed7fdb64efb 100644 --- a/trunk/arch/arm/mach-davinci/da850.c +++ b/trunk/arch/arm/mach-davinci/da850.c @@ -153,6 +153,34 @@ static struct clk pll1_sysclk3 = { .div_reg = PLLDIV3, }; +static struct clk pll1_sysclk4 = { + .name = "pll1_sysclk4", + .parent = &pll1_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV4, +}; + +static struct clk pll1_sysclk5 = { + .name = "pll1_sysclk5", + .parent = &pll1_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV5, +}; + +static struct clk pll1_sysclk6 = { + .name = "pll0_sysclk6", + .parent = &pll0_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV6, +}; + +static struct clk pll1_sysclk7 = { + .name = "pll1_sysclk7", + .parent = &pll1_clk, + .flags = CLK_PLL, + .div_reg = PLLDIV7, +}; + static struct clk i2c0_clk = { .name = "i2c0", .parent = &pll0_aux_clk, @@ -369,6 +397,10 @@ static struct clk_lookup da850_clks[] = { CLK(NULL, "pll1_aux", &pll1_aux_clk), CLK(NULL, "pll1_sysclk2", &pll1_sysclk2), CLK(NULL, "pll1_sysclk3", &pll1_sysclk3), + CLK(NULL, "pll1_sysclk4", &pll1_sysclk4), + CLK(NULL, "pll1_sysclk5", &pll1_sysclk5), + CLK(NULL, "pll1_sysclk6", &pll1_sysclk6), + CLK(NULL, "pll1_sysclk7", &pll1_sysclk7), CLK("i2c_davinci.1", NULL, &i2c0_clk), CLK(NULL, "timer0", &timerp64_0_clk), CLK("watchdog", NULL, &timerp64_1_clk), diff --git a/trunk/arch/arm/mach-davinci/include/mach/system.h b/trunk/arch/arm/mach-davinci/include/mach/system.h new file mode 100644 index 000000000000..fcb7a015aba5 --- /dev/null +++ b/trunk/arch/arm/mach-davinci/include/mach/system.h @@ -0,0 +1,21 @@ +/* + * DaVinci system defines + * + * Author: Kevin Hilman, MontaVista Software, Inc. + * + * 2007 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +#endif /* __ASM_ARCH_SYSTEM_H */ diff --git a/trunk/arch/arm/mach-dove/common.c b/trunk/arch/arm/mach-dove/common.c index bda7aca04ca0..dd1429ae6405 100644 --- a/trunk/arch/arm/mach-dove/common.c +++ b/trunk/arch/arm/mach-dove/common.c @@ -28,7 +28,6 @@ #include #include #include -#include #include #include #include "common.h" @@ -72,7 +71,7 @@ void __init dove_map_io(void) ****************************************************************************/ void __init dove_ehci0_init(void) { - orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0, EHCI_PHY_NA); + orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0); } /***************************************************************************** diff --git a/trunk/arch/arm/mach-dove/include/mach/system.h b/trunk/arch/arm/mach-dove/include/mach/system.h new file mode 100644 index 000000000000..3027954f6162 --- /dev/null +++ b/trunk/arch/arm/mach-dove/include/mach/system.h @@ -0,0 +1,17 @@ +/* + * arch/arm/mach-dove/include/mach/system.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +#endif diff --git a/trunk/arch/arm/mach-ebsa110/core.c b/trunk/arch/arm/mach-ebsa110/core.c index 804c9122b7b3..294aad07f7a0 100644 --- a/trunk/arch/arm/mach-ebsa110/core.c +++ b/trunk/arch/arm/mach-ebsa110/core.c @@ -271,33 +271,8 @@ static struct platform_device *ebsa110_devices[] = { &am79c961_device, }; -/* - * EBSA110 idling methodology: - * - * We can not execute the "wait for interrupt" instruction since that - * will stop our MCLK signal (which provides the clock for the glue - * logic, and therefore the timer interrupt). - * - * Instead, we spin, polling the IRQ_STAT register for the occurrence - * of any interrupt with core clock down to the memory clock. - */ -static void ebsa110_idle(void) -{ - const char *irq_stat = (char *)0xff000000; - - /* disable clock switching */ - asm volatile ("mcr p15, 0, ip, c15, c2, 2" : : : "cc"); - - /* wait for an interrupt to occur */ - while (!*irq_stat); - - /* enable clock switching */ - asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc"); -} - static int __init ebsa110_init(void) { - arm_pm_idle = ebsa110_idle; return platform_add_devices(ebsa110_devices, ARRAY_SIZE(ebsa110_devices)); } diff --git a/trunk/arch/arm/mach-ebsa110/include/mach/system.h b/trunk/arch/arm/mach-ebsa110/include/mach/system.h new file mode 100644 index 000000000000..2e4af65edb6f --- /dev/null +++ b/trunk/arch/arm/mach-ebsa110/include/mach/system.h @@ -0,0 +1,37 @@ +/* + * arch/arm/mach-ebsa110/include/mach/system.h + * + * Copyright (C) 1996-2000 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +/* + * EBSA110 idling methodology: + * + * We can not execute the "wait for interrupt" instruction since that + * will stop our MCLK signal (which provides the clock for the glue + * logic, and therefore the timer interrupt). + * + * Instead, we spin, polling the IRQ_STAT register for the occurrence + * of any interrupt with core clock down to the memory clock. + */ +static inline void arch_idle(void) +{ + const char *irq_stat = (char *)0xff000000; + + /* disable clock switching */ + asm volatile ("mcr p15, 0, ip, c15, c2, 2" : : : "cc"); + + /* wait for an interrupt to occur */ + while (!*irq_stat); + + /* enable clock switching */ + asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc"); +} + +#endif diff --git a/trunk/arch/arm/mach-ep93xx/core.c b/trunk/arch/arm/mach-ep93xx/core.c index 903edb02fe4f..24203f9a6796 100644 --- a/trunk/arch/arm/mach-ep93xx/core.c +++ b/trunk/arch/arm/mach-ep93xx/core.c @@ -279,14 +279,48 @@ static struct amba_pl010_data ep93xx_uart_data = { .set_mctrl = ep93xx_uart_set_mctrl, }; -static AMBA_APB_DEVICE(uart1, "apb:uart1", 0x00041010, EP93XX_UART1_PHYS_BASE, - { IRQ_EP93XX_UART1 }, &ep93xx_uart_data); +static struct amba_device uart1_device = { + .dev = { + .init_name = "apb:uart1", + .platform_data = &ep93xx_uart_data, + }, + .res = { + .start = EP93XX_UART1_PHYS_BASE, + .end = EP93XX_UART1_PHYS_BASE + 0x0fff, + .flags = IORESOURCE_MEM, + }, + .irq = { IRQ_EP93XX_UART1, NO_IRQ }, + .periphid = 0x00041010, +}; + +static struct amba_device uart2_device = { + .dev = { + .init_name = "apb:uart2", + .platform_data = &ep93xx_uart_data, + }, + .res = { + .start = EP93XX_UART2_PHYS_BASE, + .end = EP93XX_UART2_PHYS_BASE + 0x0fff, + .flags = IORESOURCE_MEM, + }, + .irq = { IRQ_EP93XX_UART2, NO_IRQ }, + .periphid = 0x00041010, +}; -static AMBA_APB_DEVICE(uart2, "apb:uart2", 0x00041010, EP93XX_UART2_PHYS_BASE, - { IRQ_EP93XX_UART2 }, &ep93xx_uart_data); +static struct amba_device uart3_device = { + .dev = { + .init_name = "apb:uart3", + .platform_data = &ep93xx_uart_data, + }, + .res = { + .start = EP93XX_UART3_PHYS_BASE, + .end = EP93XX_UART3_PHYS_BASE + 0x0fff, + .flags = IORESOURCE_MEM, + }, + .irq = { IRQ_EP93XX_UART3, NO_IRQ }, + .periphid = 0x00041010, +}; -static AMBA_APB_DEVICE(uart3, "apb:uart3", 0x00041010, EP93XX_UART3_PHYS_BASE, - { IRQ_EP93XX_UART3 }, &ep93xx_uart_data); static struct resource ep93xx_rtc_resource[] = { { diff --git a/trunk/arch/arm/mach-ep93xx/include/mach/system.h b/trunk/arch/arm/mach-ep93xx/include/mach/system.h new file mode 100644 index 000000000000..b5bec7cb9b52 --- /dev/null +++ b/trunk/arch/arm/mach-ep93xx/include/mach/system.h @@ -0,0 +1,7 @@ +/* + * arch/arm/mach-ep93xx/include/mach/system.h + */ +static inline void arch_idle(void) +{ + cpu_do_idle(); +} diff --git a/trunk/arch/arm/mach-ep93xx/vision_ep9307.c b/trunk/arch/arm/mach-ep93xx/vision_ep9307.c index d67d0b4feb6f..03dd4012043e 100644 --- a/trunk/arch/arm/mach-ep93xx/vision_ep9307.c +++ b/trunk/arch/arm/mach-ep93xx/vision_ep9307.c @@ -32,9 +32,7 @@ #include #include #include -#include -#include #include #include #include @@ -155,6 +153,7 @@ static struct i2c_board_info vision_i2c_info[] __initdata = { }, { I2C_BOARD_INFO("pca9539", 0x74), .platform_data = &pca953x_74_gpio_data, + .irq = gpio_to_irq(EP93XX_GPIO_LINE_F(7)), }, { I2C_BOARD_INFO("pca9539", 0x75), .platform_data = &pca953x_75_gpio_data, @@ -349,8 +348,6 @@ static void __init vision_init_machine(void) "pca9539:74")) pr_warn("cannot request interrupt gpio for pca9539:74\n"); - vision_i2c_info[1].irq = gpio_to_irq(EP93XX_GPIO_LINE_F(7)); - ep93xx_register_i2c(&vision_i2c_gpio_data, vision_i2c_info, ARRAY_SIZE(vision_i2c_info)); ep93xx_register_spi(&vision_spi_master, vision_spi_board_info, @@ -362,7 +359,6 @@ MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307") .atag_offset = 0x100, .map_io = vision_map_io, .init_irq = ep93xx_init_irq, - .handle_irq = vic_handle_irq, .timer = &ep93xx_timer, .init_machine = vision_init_machine, .restart = ep93xx_restart, diff --git a/trunk/arch/arm/mach-exynos/Kconfig b/trunk/arch/arm/mach-exynos/Kconfig index 1f81bfa15ff9..5d602f68a0e8 100644 --- a/trunk/arch/arm/mach-exynos/Kconfig +++ b/trunk/arch/arm/mach-exynos/Kconfig @@ -183,9 +183,7 @@ config MACH_SMDKV310 select S5P_DEV_FIMC1 select S5P_DEV_FIMC2 select S5P_DEV_FIMC3 - select S5P_DEV_G2D select S5P_DEV_I2C_HDMIPHY - select S5P_DEV_JPEG select S5P_DEV_MFC select S5P_DEV_TV select S5P_DEV_USB_EHCI @@ -232,9 +230,7 @@ config MACH_UNIVERSAL_C210 select S5P_DEV_FIMC1 select S5P_DEV_FIMC2 select S5P_DEV_FIMC3 - select S5P_DEV_G2D select S5P_DEV_CSIS0 - select S5P_DEV_JPEG select S5P_DEV_FIMD0 select S3C_DEV_HSMMC select S3C_DEV_HSMMC2 @@ -272,14 +268,11 @@ config MACH_NURI select S3C_DEV_I2C1 select S3C_DEV_I2C3 select S3C_DEV_I2C5 - select S3C_DEV_I2C6 select S5P_DEV_CSIS0 - select S5P_DEV_JPEG select S5P_DEV_FIMC0 select S5P_DEV_FIMC1 select S5P_DEV_FIMC2 select S5P_DEV_FIMC3 - select S5P_DEV_G2D select S5P_DEV_MFC select S5P_DEV_USB_EHCI select S5P_SETUP_MIPIPHY @@ -290,7 +283,6 @@ config MACH_NURI select EXYNOS4_SETUP_I2C1 select EXYNOS4_SETUP_I2C3 select EXYNOS4_SETUP_I2C5 - select EXYNOS4_SETUP_I2C6 select EXYNOS4_SETUP_SDHCI select EXYNOS4_SETUP_USB_PHY select S5P_SETUP_MIPIPHY @@ -311,9 +303,7 @@ config MACH_ORIGEN select S5P_DEV_FIMC2 select S5P_DEV_FIMC3 select S5P_DEV_FIMD0 - select S5P_DEV_G2D select S5P_DEV_I2C_HDMIPHY - select S5P_DEV_JPEG select S5P_DEV_MFC select S5P_DEV_TV select S5P_DEV_USB_EHCI diff --git a/trunk/arch/arm/mach-exynos/clock-exynos4210.c b/trunk/arch/arm/mach-exynos/clock-exynos4210.c index 13312ccb2d93..a5823a7f249e 100644 --- a/trunk/arch/arm/mach-exynos/clock-exynos4210.c +++ b/trunk/arch/arm/mach-exynos/clock-exynos4210.c @@ -32,7 +32,6 @@ #include "common.h" -#ifdef CONFIG_PM_SLEEP static struct sleep_save exynos4210_clock_save[] = { SAVE_ITEM(S5P_CLKSRC_IMAGE), SAVE_ITEM(S5P_CLKSRC_LCD1), @@ -43,7 +42,6 @@ static struct sleep_save exynos4210_clock_save[] = { SAVE_ITEM(S5P_CLKGATE_IP_LCD1), SAVE_ITEM(S5P_CLKGATE_IP_PERIR_4210), }; -#endif static struct clksrc_clk *sysclks[] = { /* nothing here yet */ diff --git a/trunk/arch/arm/mach-exynos/clock-exynos4212.c b/trunk/arch/arm/mach-exynos/clock-exynos4212.c index 48af28566fa1..26a668b0d101 100644 --- a/trunk/arch/arm/mach-exynos/clock-exynos4212.c +++ b/trunk/arch/arm/mach-exynos/clock-exynos4212.c @@ -32,14 +32,12 @@ #include "common.h" -#ifdef CONFIG_PM_SLEEP static struct sleep_save exynos4212_clock_save[] = { SAVE_ITEM(S5P_CLKSRC_IMAGE), SAVE_ITEM(S5P_CLKDIV_IMAGE), SAVE_ITEM(S5P_CLKGATE_IP_IMAGE_4212), SAVE_ITEM(S5P_CLKGATE_IP_PERIR_4212), }; -#endif static struct clk *clk_src_mpll_user_list[] = { [0] = &clk_fin_mpll, diff --git a/trunk/arch/arm/mach-exynos/clock.c b/trunk/arch/arm/mach-exynos/clock.c index 187287aa57ab..5a8c42e90005 100644 --- a/trunk/arch/arm/mach-exynos/clock.c +++ b/trunk/arch/arm/mach-exynos/clock.c @@ -30,7 +30,6 @@ #include "common.h" -#ifdef CONFIG_PM_SLEEP static struct sleep_save exynos4_clock_save[] = { SAVE_ITEM(S5P_CLKDIV_LEFTBUS), SAVE_ITEM(S5P_CLKGATE_IP_LEFTBUS), @@ -94,7 +93,6 @@ static struct sleep_save exynos4_clock_save[] = { SAVE_ITEM(S5P_CLKGATE_SCLKCPU), SAVE_ITEM(S5P_CLKGATE_IP_CPU), }; -#endif struct clk clk_sclk_hdmi27m = { .name = "sclk_hdmi27m", diff --git a/trunk/arch/arm/mach-exynos/common.c b/trunk/arch/arm/mach-exynos/common.c index 031c1e5b3dfe..c59e18871006 100644 --- a/trunk/arch/arm/mach-exynos/common.c +++ b/trunk/arch/arm/mach-exynos/common.c @@ -201,6 +201,14 @@ static struct map_desc exynos4_iodesc1[] __initdata = { }, }; +static void exynos_idle(void) +{ + if (!need_resched()) + cpu_do_idle(); + + local_irq_enable(); +} + void exynos4_restart(char mode, const char *cmd) { __raw_writel(0x1, S5P_SWRESET); @@ -459,6 +467,10 @@ early_initcall(exynos4_l2x0_cache_init); int __init exynos_init(void) { printk(KERN_INFO "EXYNOS: Initializing architecture\n"); + + /* set idle function */ + pm_idle = exynos_idle; + return device_register(&exynos4_dev); } diff --git a/trunk/arch/arm/mach-exynos/dma.c b/trunk/arch/arm/mach-exynos/dma.c index 91370def4a70..b10fcd270f07 100644 --- a/trunk/arch/arm/mach-exynos/dma.c +++ b/trunk/arch/arm/mach-exynos/dma.c @@ -74,8 +74,21 @@ struct dma_pl330_platdata exynos4_pdma0_pdata = { .peri_id = pdma0_peri, }; -AMBA_AHB_DEVICE(exynos4_pdma0, "dma-pl330.0", 0x00041330, EXYNOS4_PA_PDMA0, - {IRQ_PDMA0}, &exynos4_pdma0_pdata); +struct amba_device exynos4_device_pdma0 = { + .dev = { + .init_name = "dma-pl330.0", + .dma_mask = &dma_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &exynos4_pdma0_pdata, + }, + .res = { + .start = EXYNOS4_PA_PDMA0, + .end = EXYNOS4_PA_PDMA0 + SZ_4K, + .flags = IORESOURCE_MEM, + }, + .irq = {IRQ_PDMA0, NO_IRQ}, + .periphid = 0x00041330, +}; u8 pdma1_peri[] = { DMACH_PCM0_RX, @@ -110,8 +123,21 @@ struct dma_pl330_platdata exynos4_pdma1_pdata = { .peri_id = pdma1_peri, }; -AMBA_AHB_DEVICE(exynos4_pdma1, "dma-pl330.1", 0x00041330, EXYNOS4_PA_PDMA1, - {IRQ_PDMA1}, &exynos4_pdma1_pdata); +struct amba_device exynos4_device_pdma1 = { + .dev = { + .init_name = "dma-pl330.1", + .dma_mask = &dma_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &exynos4_pdma1_pdata, + }, + .res = { + .start = EXYNOS4_PA_PDMA1, + .end = EXYNOS4_PA_PDMA1 + SZ_4K, + .flags = IORESOURCE_MEM, + }, + .irq = {IRQ_PDMA1, NO_IRQ}, + .periphid = 0x00041330, +}; static int __init exynos4_dma_init(void) { @@ -120,11 +146,11 @@ static int __init exynos4_dma_init(void) dma_cap_set(DMA_SLAVE, exynos4_pdma0_pdata.cap_mask); dma_cap_set(DMA_CYCLIC, exynos4_pdma0_pdata.cap_mask); - amba_device_register(&exynos4_pdma0_device, &iomem_resource); + amba_device_register(&exynos4_device_pdma0, &iomem_resource); dma_cap_set(DMA_SLAVE, exynos4_pdma1_pdata.cap_mask); dma_cap_set(DMA_CYCLIC, exynos4_pdma1_pdata.cap_mask); - amba_device_register(&exynos4_pdma1_device, &iomem_resource); + amba_device_register(&exynos4_device_pdma1, &iomem_resource); return 0; } diff --git a/trunk/arch/arm/mach-exynos/include/mach/system.h b/trunk/arch/arm/mach-exynos/include/mach/system.h new file mode 100644 index 000000000000..0063a6de3dc8 --- /dev/null +++ b/trunk/arch/arm/mach-exynos/include/mach/system.h @@ -0,0 +1,20 @@ +/* linux/arch/arm/mach-exynos4/include/mach/system.h + * + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * EXYNOS4 - system support header + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H __FILE__ + +static void arch_idle(void) +{ + /* nothing here yet */ +} +#endif /* __ASM_ARCH_SYSTEM_H */ diff --git a/trunk/arch/arm/mach-exynos/mach-exynos4-dt.c b/trunk/arch/arm/mach-exynos/mach-exynos4-dt.c index e6b02fdf1b09..85fa02767d67 100644 --- a/trunk/arch/arm/mach-exynos/mach-exynos4-dt.c +++ b/trunk/arch/arm/mach-exynos/mach-exynos4-dt.c @@ -15,13 +15,11 @@ #include #include -#include #include #include #include - -#include "common.h" +#include /* * The following lookup table is used to override device names when devices @@ -62,7 +60,7 @@ static const struct of_dev_auxdata exynos4210_auxdata_lookup[] __initconst = { static void __init exynos4210_dt_map_io(void) { - exynos_init_io(NULL, 0); + s5p_init_io(NULL, 0, S5P_VA_CHIPID); s3c24xx_init_clocks(24000000); } @@ -81,9 +79,7 @@ DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)") /* Maintainer: Thomas Abraham */ .init_irq = exynos4_init_irq, .map_io = exynos4210_dt_map_io, - .handle_irq = gic_handle_irq, .init_machine = exynos4210_dt_machine_init, .timer = &exynos4_timer, .dt_compat = exynos4210_dt_compat, - .restart = exynos4_restart, MACHINE_END diff --git a/trunk/arch/arm/mach-exynos/mach-nuri.c b/trunk/arch/arm/mach-exynos/mach-nuri.c index 32bb7b37975c..b895ec031105 100644 --- a/trunk/arch/arm/mach-exynos/mach-nuri.c +++ b/trunk/arch/arm/mach-exynos/mach-nuri.c @@ -28,7 +28,6 @@ #include