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2008-10-15MIPS: Have a heart for a lonely, lost header file ...Ralf Baechle1-46/+0
... and move it to where all its brothers and sisters reside. Requested by Shane McDonald <[email protected]>. Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: Move headfiles to new location below arch/mips/includeRalf Baechle462-61610/+0
Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: Optimize get_user and put_user for 64-bitRalf Baechle1-4/+4
A long for the error value leads to unnecessary sign extensions. This patch shrinks an ip27_defconfig kernel build with gcc 4.3.0 by 2256 bytes. Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: TXx9: Add RBTX4939 board supportAtsushi Nemoto2-0/+136
Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]> create mode 100644 arch/mips/txx9/rbtx4939/Makefile create mode 100644 arch/mips/txx9/rbtx4939/irq.c create mode 100644 arch/mips/txx9/rbtx4939/prom.c create mode 100644 arch/mips/txx9/rbtx4939/setup.c create mode 100644 include/asm-mips/txx9/rbtx4939.h
2008-10-11MIPS: TXx9: Add TX4939 SoC supportAtsushi Nemoto1-0/+544
Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]> create mode 100644 arch/mips/pci/pci-tx4939.c create mode 100644 arch/mips/txx9/generic/irq_tx4939.c create mode 100644 arch/mips/txx9/generic/setup_tx4939.c create mode 100644 include/asm-mips/txx9/tx4939.h
2008-10-11MIPS: TXx9: IOC LED supportAtsushi Nemoto2-0/+5
Add leds-gpio platform device for controlling LEDs connected to IOC on RBTX49XX and JMR3927 board. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: TXx9: Microoptimize interrupt handlersAtsushi Nemoto1-0/+18
The IOC interrupt status register on RBTX49XX only have 8 bits. Use 8-bit version of __fls() to optimize interrupt handlers. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: RB532: Convert to GPIO libFlorian Fainelli1-61/+14
This patch converts the rb532 code to use gpio library and register its gpio chip. Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: RB532: Remove unused rc32434_sync_delay and rc32434_sync_udelayFlorian Fainelli1-12/+0
This patch removes these two unused functions : rc32434_sync_delay and rc32434_sync_udelay Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: RB532: Cleanup the headers againFlorian Fainelli3-30/+22
This patch cleans up headers and regroups informations to where they should reside. While moving, try to have a consistant naming for defines. Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: RB532: Remove gpio bootup stateFlorian Fainelli1-4/+0
We are no longer using gpio bootup state, so do not export it and do not parse the kernel command line tag for it. Instead we provide gpio-keys for the button the gpio bootup state was checking. Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: RB532: Use physical addresses for gpio and device controller registersFlorian Fainelli1-1/+2
This patch fixes the misuse of virtual addresses for the GPIO and third device controller which would lead to problems while accessing ioremap'd registers. Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: RB532: Cleanup and group definitions to their right placesFlorian Fainelli2-0/+14
This patch moves GPIO related definitions to gpio.h and IRQ related to irq.h Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: TXx9: Declare smsc_fdc37m81x_config_get() in smsc_fdc37m81x.hAtsushi Nemoto1-0/+1
Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: TXx9: Default machine_restart using watchdog resetAtsushi Nemoto1-0/+1
Add default machine_restart routine using watchdog reset of TX4927 and TX4938. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: TXx9: Make spi_eeprom.c more genericAtsushi Nemoto1-2/+17
Helper routines in txx9/rbtx4938/spi_eeprom.c is not TX4938 specific. Move it to txx9/generic/ directory and make it works with SPI bus number other than 0. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]> create mode 100644 arch/mips/txx9/generic/spi_eeprom.c delete mode 100644 arch/mips/txx9/rbtx4938/spi_eeprom.c
2008-10-11MIPS: TXx9: Raise priority of interrupts for errors, timers, SIOAtsushi Nemoto1-0/+11
Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: TXx9: Add mtd supportAtsushi Nemoto4-0/+11
Add helper routines to register physmap-flash platform devices for NOR flashes. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: TXx9: Early command-line preprocessingAtsushi Nemoto1-0/+10
* Select board by command-line option or firmware environment variable. * Handle "masterclk=" option. * Add boards.h to centerize board_vec declaration. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]> create mode 100644 include/asm-mips/txx9/boards.h
2008-10-11MIPS: TXx9: Add prom_getenvAtsushi Nemoto1-0/+1
Add prom_getenv() which can be used for YAMON. This assumes other firmware should pass NULL for fw_arg2. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: TXx9: Improve handling of built-in and command-line argsAtsushi Nemoto1-1/+0
* Make prom_init_cmdline() static and be called from prom_init. * Append built-in args if the first character was '+'. * Drop command-line args if the first character of built-in was '-'. * Enclose args include spaces by quotes. * TX4938_NAND_BOOT is no longer needed. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: RBTX4927: More explicit initializationAtsushi Nemoto1-0/+2
* Make sure all interrupts cleared on startup * Initialize some GPIOs Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-11MIPS: PMC MSP71XX gpio driversPatrick Glass1-0/+46
This new gpio driver for PMC-Sierra's MSP71xx SoC allows standard api calls for access to the general and extended gpio's. Signed-off-by: Patrick Glass <[email protected]> Signed-off-by: Ralf Baechle <[email protected]> create mode 100755 arch/mips/pmc-sierra/msp71xx/gpio.c create mode 100755 arch/mips/pmc-sierra/msp71xx/gpio_extended.c create mode 100755 include/asm-mips/pmc-sierra/msp71xx/gpio.h
2008-10-11MIPS: Use compat_sys_ptraceThomas Bogendoerfer1-0/+3
This replaces mips's sys_ptrace32 with a compat_arch_ptrace and enables the new generic definition of compat_sys_ptrace instead. Signed-off-by: Thomas Bogendoerfer <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-06[MIPS] IP27: Fix build errors if CONFIG_MAPPED_KERNEL=yRalf Baechle1-4/+4
Signed-off-by: Ralf Baechle <[email protected]>
2008-10-03[MIPS] SMTC: Fix SMTC dyntick support.Kevin D. Kissell3-6/+74
Rework of SMTC support to make it work with the new clock event system, allowing "tickless" operation, and to make it compatible with the use of the "wait_irqoff" idle loop. The new clocking scheme means that the previously optional IPI instant replay mechanism is now required, and has been made more robust. Signed-off-by: Kevin D. Kissell <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-03[MIPS] SMTC: Close tiny holes in the SMTC IPI replay system.Kevin D. Kissell1-11/+61
Signed-off-by: Kevin D. Kissell <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-10-03[MIPS] Build fix: Fix irq flags typeRalf Baechle1-3/+3
Though from a hardware perspective it would be sensible to use only a 32-bit unsigned int type Linux defines interrupt flags to be stored in an unsigned long and nothing else. Signed-off-by: Ralf Baechle <[email protected]>
2008-09-24[MIPS] Fixe the definition of PTRS_PER_PGDJack Tan1-1/+1
When we use > 4KB's page size the original definition is not consistent with PGDIR_SIZE. For exeample, if we use 16KB page size the PGDIR_SHIFT is (14-2) + 14 = 26, PGDIR_SIZE is 2^26，so the PTRS_PER_PGD should be: 2^32/2^26 = 2^6 but the original definition of PTRS_PER_PGD is 4096 (PGDIR_ORDER = 0). So, this definition needs to be consistent with the PGDIR_SIZE. And the new definition is consistent with the PGD init in pagetable_init(). Signed-off-by: Dajie Tan <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-09-05[MIPS] Fix WARNING: at kernel/smp.c:290Thomas Bogendoerfer1-0/+1
trap_init issues flush_icache_range(), which uses ipi functions to get icache flushing done on all cpus. But this is done before interrupts are enabled and caused WARN_ON messages. This changeset introduces a new local_flush_icache_range() and uses it before interrupts (and additional CPUs) are enabled to avoid this problem. Signed-off-by: Thomas Bogendoerfer <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-08-26[MIPS] Wire up new syscalls.Ralf Baechle1-6/+24
signalfd4, eventfd2, epoll_create1, dup3, pipe2 and inotify_init1. Signed-off-by: Ralf Baechle <[email protected]>
2008-08-15kexec jump: rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZEHuang Ying1-1/+1
Rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZE, because control page is used for not only code on some platform. For example in kexec jump, it is used for data and stack too. [[email protected]: unbreak powerpc and arm, finish conversion] Signed-off-by: Huang Ying <[email protected]> Cc: Pavel Machek <[email protected]> Cc: "Rafael J. Wysocki" <[email protected]> Cc: "Eric W. Biederman" <[email protected]> Cc: Vivek Goyal <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Russell King <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-07-30[MIPS] kgdb: add arch support for the kernel's kgdb coreJason Wessel2-1/+57
The new kgdb architecture specific handler registers and unregisters dynamically for exceptions depending on when you configure a kgdb I/O driver. Aside from initializing the exceptions earlier in the boot process, kgdb should have no impact on a device when it is compiled in so long as an I/O module is not configured for use. There have been quite a number of contributors during the existence of this patch (see arch/mips/kernel/kgdb.c). Most recently Jason re-wrote the mips kgdb logic to use the die notification handlers. Signed-off-by: Jason Wessel <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] kgdb: Remove existing implementationJason Wessel1-215/+0
This patch explicitly removes the kgdb implementation, for mips which is intended to be followed by a patch that adds a kgdb implementation for MIPS that makes use of the kgdb core in the kernel. Signed-off-by: Jason Wessel <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] TXx9: Kill unused txx927.hAtsushi Nemoto2-123/+0
include/asm-mips/txx9/txx927.h is no longer used. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] TXx9: Support early_printkAtsushi Nemoto1-0/+9
Kill jmr3927-specific prom_putchar and add txx9-generic prom_putchar to support early_printk. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] TXx9: Unify serial_txx9 setupAtsushi Nemoto4-3/+5
* Unify calling of early_serial_txx9_setup. * Use dedicated serial clock on RBTX4938. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] TXx9: Random cleanupAtsushi Nemoto3-5/+5
* Random cleanups spotted by checkpatch script. * Do not initialize panic_timeout. "panic=" kernel parameter can be used. * Do not add "ip=any" or "ip=bootp". This options is not board specific. * Do not add "root=/dev/nfs". This is default on CONFIG_ROOT_NFS. * Kill unused error checking. * Fix IRQ comment to match current code. * Kill some unneeded includes * ST0_ERL is already cleared in generic code. * conswitchp is initialized generic code. * __init is not needed in prototype. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] TXx9: Make tx4938-specific code more independentAtsushi Nemoto2-0/+4
Make some TX4938 SoC specific code independent from board specific code. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] TXx9: Make tx3927-specific code more independentAtsushi Nemoto2-3/+11
Make some TX3927 SoC specific code independent from board specific code. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] TXx9: Cleanup watchdogAtsushi Nemoto3-2/+3
Unify registration of txx9wdt platform device. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] TXx9: PCI error handlingAtsushi Nemoto4-0/+12
From: Atsushi Nemoto <[email protected]> Date: Thu, 24 Jul 2008 00:25:16 +0900 Subject: [PATCH] txx9: PCI error handling Add more control and detailed report on PCI error interrupt. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] TXx9: Add some pci optionsAtsushi Nemoto2-0/+4
Add pci options for backplane type, clock selection, error handling, timeout values. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] Introduce pcibios_plat_setupAtsushi Nemoto1-0/+2
Introduce pcibios_plat_setup for platform-specific pcibios_setup. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-30[MIPS] TXx9: Fix JMR3927 irq numbersAtsushi Nemoto1-0/+4
* Fix wrong txx9_clockevent interrupt number * Fix TXX9_IRQ_BASE for JMR3927+FPCIB case Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2008-07-26[PATCH] kill altrootAl Viro1-11/+0
long overdue... Signed-off-by: Al Viro <[email protected]>
2008-07-26dma-mapping: add the device argument to dma_mapping_error()FUJITA Tomonori1-1/+1
Add per-device dma_mapping_ops support for CONFIG_X86_64 as POWER architecture does: This enables us to cleanly fix the Calgary IOMMU issue that some devices are not behind the IOMMU (http://lkml.org/lkml/2008/5/8/423). I think that per-device dma_mapping_ops support would be also helpful for KVM people to support PCI passthrough but Andi thinks that this makes it difficult to support the PCI passthrough (see the above thread). So I CC'ed this to KVM camp. Comments are appreciated. A pointer to dma_mapping_ops to struct dev_archdata is added. If the pointer is non NULL, DMA operations in asm/dma-mapping.h use it. If it's NULL, the system-wide dma_ops pointer is used as before. If it's useful for KVM people, I plan to implement a mechanism to register a hook called when a new pci (or dma capable) device is created (it works with hot plugging). It enables IOMMUs to set up an appropriate dma_mapping_ops per device. The major obstacle is that dma_mapping_error doesn't take a pointer to the device unlike other DMA operations. So x86 can't have dma_mapping_ops per device. Note all the POWER IOMMUs use the same dma_mapping_error function so this is not a problem for POWER but x86 IOMMUs use different dma_mapping_error functions. The first patch adds the device argument to dma_mapping_error. The patch is trivial but large since it touches lots of drivers and dma-mapping.h in all the architecture. This patch: dma_mapping_error() doesn't take a pointer to the device unlike other DMA operations. So we can't have dma_mapping_ops per device. Note that POWER already has dma_mapping_ops per device but all the POWER IOMMUs use the same dma_mapping_error function. x86 IOMMUs use device argument. [[email protected]: fix sge] [[email protected]: fix svc_rdma] [[email protected]: build fix] [[email protected]: fix bnx2x] [[email protected]: fix s2io] [[email protected]: fix pasemi_mac] [[email protected]: fix sdhci] [[email protected]: build fix] [[email protected]: fix sparc] [[email protected]: fix ibmvscsi] Signed-off-by: FUJITA Tomonori <[email protected]> Cc: Muli Ben-Yehuda <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Avi Kivity <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-07-25Merge git://git.infradead.org/~dwmw2/random-2.6Linus Torvalds1-6/+0
* git://git.infradead.org/~dwmw2/random-2.6: remove dummy asm/kvm.h files firmware: create firmware binaries during 'make modules'.
2008-07-25remove dummy asm/kvm.h filesAdrian Bunk1-6/+0
This patch removes the dummy asm/kvm.h files on architectures not (yet) supporting KVM and uses the same conditional headers installation as already used for a.out.h . Also removed are superfluous install rules in the s390 and x86 Kbuild files (they are already in Kbuild.asm). Signed-off-by: Adrian Bunk <[email protected]> Acked-by: Sam Ravnborg <[email protected]> Signed-off-by: David Woodhouse <[email protected]>
2008-07-25gpiolib: allow user-selectionMichael Buesch1-1/+1
This patch adds functionality to the gpio-lib subsystem to make it possible to enable the gpio-lib code even if the architecture code didn't request to get it built in. The archtitecture code does still need to implement the gpiolib accessor functions in its asm/gpio.h file. This patch adds the implementations for x86 and PPC. With these changes it is possible to run generic GPIO expansion cards on every architecture that implements the trivial wrapper functions. Support for more architectures can easily be added. Signed-off-by: Michael Buesch <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: David Brownell <[email protected]> Cc: Russell King <[email protected]> Cc: Haavard Skinnemoen <[email protected]> Cc: Jesper Nilsson <[email protected]> Cc: Ralf Baechle <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Jean Delvare <[email protected]> Cc: Samuel Ortiz <[email protected]> Cc: Kumar Gala <[email protected]> Cc: Sam Ravnborg <[email protected]> Cc: Adrian Bunk <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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