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* [MIPS] MIPSsim: Move code away from the other MIPS Inc. BSP code.Ralf Baechle2007-07-10
| | | | | | It shares no code at all. While at it also fix up the beginning bitrot. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Add generic GPIO to Au1x00Florian Fainelli2007-07-10
| | | | | | | | | | This patch adds support for the generic GPIO API to Au1x00 boards. It requires the generic GPIO patch for MIPS boards by Yoichi Yuasa. Now there is a MIPS target using it, can you queue these patchset for 2.6.22 ? Thank you very much in advance. Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Add generic GPIO supportYoichi Yuasa2007-07-10
| | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Remove unused config entriesYoichi Yuasa2007-07-10
| | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] AP/SP requires shadow registers, auto enable support.Ralf Baechle2007-06-26
| | | | | | Noticed by Chris Dearman (chris@mips.com). Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] remove "support for" from system type entryYoichi Yuasa2007-06-26
| | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Fix some minor typoes in arch/mips/Kconfig.Robert P. J. Day2007-06-06
| | | | | Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Separate Alchemy processor based boards configYoichi Yuasa2007-05-11
| | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Remove unused CONFIG_TOSHIBA_BOARDSAtsushi Nemoto2007-05-11
| | | | | Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Remove LIMITED_DMA supportFranck Bui-Huu2007-05-11
| | | | | | | This code was needed only by Jaguar ATX. Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Remove Momenco Jaguar ATX supportFranck Bui-Huu2007-05-11
| | | | | | | | It has some hackish code and it odd DMA results in the need to support old features in kernel code. Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Remove Momenco Ocelot G supportFranck Bui-Huu2007-05-11
| | | | | Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] MT: Reenable EIC support and add support for SOCit SC.Chris Dearman2007-05-11
| | | | | Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Fix trivial typos in Kconfig* filesDavid Sterba2007-05-09
| | | | | | | Fix several typos in help text in Kconfig* files. Signed-off-by: David Sterba <dave@jikos.cz> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* MIPS: Drop unnecessary CONFIG_ISA from RBTX49XXAtsushi Nemoto2007-05-08
| | | | | | | | Those boards do not need CONFIG_ISA if the ne driver could be selectable without it. Disable it and update a defconfig. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* RM9000 serial driverThomas Koeller2007-05-07
| | | | | | | | | | | | | | Add support for the integrated serial ports of the MIPS RM9122 processor and its relatives. The patch also does some whitespace cleanup. [akpm@linux-foundation.org: cleanups] Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [MIPS] remove 2 select entries for VR41xxYoichi Yuasa2007-04-27
| | | | | | | | This patch has removed 2 select entries for VR41xx. These entries are selected in arch/mips/vr41xx/Kconfig. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] rename VR41XX to VR4100 seriesYoichi Yuasa2007-04-27
| | | | | | | | This patch has renamed VR41XX to VR4100 series. That's better. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Select ZONE_DMA only if GENERIC_ISA_DMA selectedAtsushi Nemoto2007-04-27
| | | | | Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] JMR3927 cleanupAtsushi Nemoto2007-04-27
| | | | | | | | | * Kill dead codes * Rearrange irq chip handlers * Minimize defconfig Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] merge GT64111 PCI routines and GT64120 PCI_0 routinesYoichi Yuasa2007-04-27
| | | | | | | | | This patch has merged GT64111 PCI routines and GT64120 PCI_0 routines. GT64111 PCI is almost the same as GT64120's PCI_0. This patch don't change GT64120 PCI routines. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] MT: MIPS_MT_SMTC_INSTANT_REPLAY currently conflicts with PREEMPT.Ralf Baechle2007-03-29
| | | | | | | So until MIPS_MT_SMTC_INSTANT_REPLAY has been rewritten to solve this issue, don't allow selecting it with PREEMPT. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Qemu: Fix Symmetric Uniprocessor support.Atsushi Nemoto2007-03-19
| | | | | | | | | | | | Might be useful for SMP debugging. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> [Rewritten Kconfig bits to deal better fit in the usual pattern of doing things - Ralf] Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Kconfig: Move missplaced NR_CPUS default from SMTC to VSMP.Ralf Baechle2007-03-16
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Lasat: Downgrade 64-bit kernel from experimental to broken.Ralf Baechle2007-03-16
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Viper2: Remove defective support.Ralf Baechle2007-03-13
| | | | | | | | A defconfig file and the 10 lines of code (including comments ...) that are rotting since lmo commit 6516a42dc8b40c6c00010346dd51496125b16644 don't quite make proper support, so let's trash it. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Cobalt: Fix early printkYoichi Yuasa2007-03-06
| | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Fix and cleanup the mess that a dozen prom_printf variants are.Ralf Baechle2007-03-04
| | | | | | early_printk is a so much saner thing. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Convert to RTC-class ds1742 driverAtsushi Nemoto2007-03-04
| | | | | | | | | The generic rtc-ds1742 driver can be used for RBTX4927 and JMR3927 (with __swizzle_addr trick). This patch also removes MIPS local DS1742 stuff. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] excite: Rename CONFIG optionThomas Koeller2007-02-26
| | | | | | | This change is purely cosmetical. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Add basic SMARTMIPS ASE supportFranck Bui-Huu2007-02-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds trivial support for SMARTMIPS extension. This extension is currently implemented by 4KS[CD] CPUs. Basically it saves/restores ACX register, which is part of the SMARTMIPS ASE, when needed. This patch does *not* add any support for Smartmips MMU features. Futhermore this patch does not add explicit support for 4KS[CD] CPUs since they are respectively mips32 and mips32r2 compliant. So with the current processor configuration, a platform that has such CPUs needs to select both configs: CPU_HAS_SMARTMIPS SYS_HAS_CPU_MIPS32_R[12] This is due to the processor configuration which is mixing up all the architecture variants and the processor types. The drawback of this, is that we currently pass '-march=mips32' option to gcc when building a kernel instead of '-march=4ksc' for 4KSC case. This can lead to a kernel image a little bit bigger than required. Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Allow selection of KGDB only on platforms where it's supported.Ralf Baechle2007-02-19
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Support for several more SNI RM models.Thomas Bogendoerfer2007-02-18
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Unify dma-{coherent,noncoherent.ip27,ip32}Ralf Baechle2007-02-13
| | | | | | | | Platforms will now have to supply a function dma_device_is_coherent which returns if a particular device participates in the coherence domain. For most platforms this function will always return 0 or 1. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2007-02-11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] signal: do not inline handle_signal() [MIPS] signal: do not use save_static_function() anymore [MIPS] signal32: no need to save c0_status register in setup_sigcontext32() [MIPS] signal32: reduce {setup,restore}_sigcontext32 sizes [MIPS] signal: factorize debug code [MIPS] signal: test return value of install_sigtramp() [MIPS] signal32: remove duplicate code [MIPS] signal: clean up sigframe structure [MIPS] signal: do not inline functions in signal-common.h [MIPS] signals: reduce {setup,restore}_sigcontext sizes [MIPS] Fix warning in get_user when fetching pointer object from userspace. [MIPS] Fix eth2 platform device id for jaguar_atx and ocelot_3 platforms [MIPS] JMR3927 and RBTX49x7 support little endian [MIPS] RBTX49x7: declare prom_getcmdline() [MIPS] RTLX: Sprinkle device model code into code to make udev happier. [MIPS] VPE: Sprinkle device model code into code to make udev happier.
| * [MIPS] JMR3927 and RBTX49x7 support little endianSergei Shtylyov2007-02-10
| | | | | | | | | | | | | | | | Toshiba JMR3927 (RBHMA3100) and RBTX49[23]7 (RBHMA4[24]00) do support both little and big endian mode (if you flash the right PMON). Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | [PATCH] Set CONFIG_ZONE_DMA for arches with GENERIC_ISA_DMAChristoph Lameter2007-02-11
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | As Andi pointed out: CONFIG_GENERIC_ISA_DMA only disables the ISA DMA channel management. Other functionality may still expect GFP_DMA to provide memory below 16M. So we need to make sure that CONFIG_ZONE_DMA is set independent of CONFIG_GENERIC_ISA_DMA. Undo the modifications to mm/Kconfig where we made ZONE_DMA dependent on GENERIC_ISA_DMA and set theses explicitly in each arches Kconfig. Reviews must occur for each arch in order to determine if ZONE_DMA can be switched off. It can only be switched off if we know that all devices supported by a platform are capable of performing DMA transfers to all of memory (Some arches already support this: uml, avr32, sh sh64, parisc and IA64/Altix). In order to switch ZONE_DMA off conditionally, one would have to establish a scheme by which one can assure that no drivers are enabled that are only capable of doing I/O to a part of memory, or one needs to provide an alternate means of performing an allocation from a specific range of memory (like provided by alloc_pages_range()) and insure that all drivers use that call. In that case the arches alloc_dma_coherent() may need to be modified to call alloc_pages_range() instead of relying on GFP_DMA. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [APM] MIPS: Convert to use shared APM emulation.Ralf Baechle2007-02-09
| | | | | | | Also convert to use generic kernel/power/Kconfig to make the use of the shared APM emulation possible. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Kconfig: Provide sane NR_CPUS defaults for more configurationsRalf Baechle2007-02-06
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Kconfig: Move some entries to appropriate menuAtsushi Nemoto2007-02-06
| | | | | | | | | | Currently KEXEC is in "Machine selection", SECCOMP, PM, APM are in "Executable file formats" menu. Move KEXEC and SECCOMP to "Kernel type" and PM, APM to new "Power management options" menu. Also replace "config PM" with kernel/power/Kconfig. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] SMTC: Instant IPI replay.Ralf Baechle2007-01-23
| | | | | | | | | | | | SMTC pseudo-interrupts between TCs are deferred and queued if the target TC is interrupt-inhibited (IXMT). In the first SMTC prototypes, these queued IPIs were serviced on return to user mode, or on entry into the kernel idle loop. The INSTANT_REPLAY option dispatches them as part of local_irq_restore() processing, which adds runtime overhead (hence the option to turn it off), but ensures that IPIs are handled promptly even under heavy I/O interrupt load. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [PATCH] add STB810 support (Philips PNX8550-based)Vitaly Wool2006-12-08
| | | | | Signed-off-by: Vitaly Wool <vitalywool@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Add GENERIC_HARDIRQS_NO__DO_IRQ for i8259 usersAtsushi Nemoto2006-12-08
| | | | | | | | Now that i8259A_chip uses new irq flow handler select GENERIC_HARDIRQS_NO__DO_IRQ on some more platforms. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Rename SNI_RM200_PCI to just SNI_RM preparing for more RM machinesThomas Bogendoerfer2006-12-08
| | | | | Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [PATCH] LOG2: Implement a general integer log2 facility in the kernelDavid Howells2006-12-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This facility provides three entry points: ilog2() Log base 2 of unsigned long ilog2_u32() Log base 2 of u32 ilog2_u64() Log base 2 of u64 These facilities can either be used inside functions on dynamic data: int do_something(long q) { ...; y = ilog2(x) ...; } Or can be used to statically initialise global variables with constant values: unsigned n = ilog2(27); When performing static initialisation, the compiler will report "error: initializer element is not constant" if asked to take a log of zero or of something not reducible to a constant. They treat negative numbers as unsigned. When not dealing with a constant, they fall back to using fls() which permits them to use arch-specific log calculation instructions - such as BSR on x86/x86_64 or SCAN on FRV - if available. [akpm@osdl.org: MMC fix] Signed-off-by: David Howells <dhowells@redhat.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: David Howells <dhowells@redhat.com> Cc: Wojtek Kaniewski <wojtekka@toxygen.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [MIPS] Compile __do_IRQ() when really neededFranck Bui-Huu2006-12-06
| | | | | | | | | | | | | | | | | __do_IRQ() is needed only by irq handlers that can't use default handlers defined in kernel/irq/chip.c. For others platforms there's no need to compile this function since it won't be used. For those platforms this patch defines GENERIC_HARDIRQS_NO__DO_IRQ symbol which is used exactly for this purpose. Futhermore for platforms which do not use __do_IRQ(), end() method which is part of the 'irq_chip' structure is not used. This patch simply removes this method in this case. Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Cleanup memory barriers for weakly ordered systems.Ralf Baechle2006-12-04
| | | | | | | Also the R4000 / R4600 LL/SC instructions imply a sync so no explicit sync needed. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Alchemy: Automatically enable CONFIG_RESOURCES_64BIT for PCI configs.Ralf Baechle2006-12-04
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Use SYSVIPC_COMPAT to fix various problems on N32Atsushi Nemoto2006-12-04
| | | | | | | | | | | | | | N32 SysV IPC system calls should use 32-bit compatible code. arch/mips/kernel/linux32.c have similar compatible code for O32, but ipc/compat.c seems more complete. We can use it for both N32 and O32. This patch should fix these problems (and other possible problems): http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=1149188824.6986.6.camel%40diimka-laptop http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=44C6B829.8050508%40caviumnetworks.com Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2006-12-01
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (31 commits) [MIPS] Remove duplicate ISA DMA code for 0 DMA channel case. [MIPS] Remove unused definition of cpu_to_lelongp() [MIPS] Remove userspace proofing from <asm/bitops.h>. [MIPS] Remove old junk left from old atomic_lock. [MIPS] Use conditional traps for BUG_ON on MIPS II and better. [MIPS] mips HPT cleanup: make clocksource_mips public [MIPS] do_IRQ cleanup [MIPS] Avoid dupliate D-cache flush on R400C / R4400 SC and MC variants. [MIPS] Remove redundant r4k_blast_icache() calls [MIPS] Work around bogus gcc warnings. [MIPS] Fix double inclusions [MIPS] use generic_handle_irq, handle_level_irq, handle_percpu_irq [MIPS] IRQ cleanups [MIPS] mips hpt cleanup: get rid of mips_hpt_init [MIPS] PB1200: Remove duplicate definitions [MIPS] Fix alignment hole in struct cache_desc; shrink struct. [MIPS] Oprofile: kernel support for the R10000. [MIPS] Remove unused R10000 performance counter definitions. [MIPS] Add support for kexec [MIPS] Don't print presence of WAIT instruction on bootup. ...
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