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* [MIPS] TXx9 watchdog support for rbhma3100,rbhma4200,rbhma4500Atsushi Nemoto2008-01-29
| | | | | | | | This patch adds support for txx9wdt driver to rbhma3100, rbhma4200 and rbhma4500 platform. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP22/IP28: fix extracting board/chip revThomas Bogendoerfer2008-01-29
| | | | | | | Taken from Peter Fuersts IP28 patches Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Use real cache invalidateThomas Bogendoerfer2008-01-29
| | | | | | | | | R10k non coherent machines need a real dma cache invalidate to get rid of speculative stores in cache. For other machines this promises a slight speedup. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] SMP: Call platform methods via ops structure.Ralf Baechle2008-01-29
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Cleanup pcspeaker platform device registration.Ralf Baechle2008-01-29
| | | | | | | Move registration into the actual platform code instead of making a desparate attempt at sharing the hand full of likes of code in pcspeaker.c. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] MT: Scheduler support for SMTRalf Baechle2008-01-29
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] tlbex.c: cleanup debug codeFranck Bui-Huu2008-01-29
| | | | | Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] tlbex.c: use __cacheline_aligned instead of __tlb_handler_align Franck Bui-Huu2008-01-29
| | | | | Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] tlbex.c: cleanup include filesFranck Bui-Huu2008-01-29
| | | | | Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] tlbex.c: Cleanup __init usages.Franck Bui-Huu2008-01-29
| | | | | Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Delete now-unreferenced i2c-yosemite.h header file.Robert P. J. Day2008-01-29
| | | | | | | | | Given that the corresponding source file i2c-yosemite.c file was removed in commit daa4a68f901c4d6491baa1a01f5c869a553c3f6c, and that no one else includes this file, it seems safe to delete it. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Remove duplicate includes.Lucas Woods2008-01-29
| | | | | Signed-off-by: Lucas Woods <woodzy@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] ARC: Use strchr instead of strstr.Roel Kluin2008-01-29
| | | | | | | Use strchr instead of strstr when searching for a single character Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Remove useless S-cache flushes.Ralf Baechle2008-01-29
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Use pte_present instead of open coded test for _PAGE_PRESENT.Ralf Baechle2008-01-29
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Put cast inside macro instead of all the callersAndrew Sharp2008-01-29
| | | | | | | | | | Since all the callers of the PHYS_TO_XKPHYS macro call with a constant, put the cast to LL inside the macro where it really should be rather than in all the callers. This makes macros like PHYS_TO_XKSEG_UNCACHED work without gcc whining. Signed-off-by: Andrew Sharp <andy.sharp@onstor.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] clean up au1xxx_irqmap.c include filesYoichi Yuasa2008-01-29
| | | | | | | Clean up au1xxx_irqmap.c include files. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] remove unused mips_machtypeYoichi Yuasa2008-01-29
| | | | | | | Removed unused mips_machtype. These are only set but not used. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] CFE: Make code remotely resemble Linux code.Christoph Hellwig2008-01-29
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] cleanup tx39/tx49 setup codeAtsushi Nemoto2008-01-29
| | | | | | | Remove some unnecessary codes, includes and files. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] R4000/R4400 daddiu erratum workaroundMaciej W. Rozycki2008-01-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This complements the generic R4000/R4400 errata workaround code and adds bits for the daddiu problem. In most places it just modifies handwritten assembly code so that the assembler is allowed to use a temporary register as daddiu may now be treated as a macro that expands to a sequence of li and daddu. It is the AT register or, where AT is unavailable or used explicitly for another purpose, an explicitly-named register is selected, using the .set at=<reg> feature added recently to gas. This feature is only used if CONFIG_CPU_DADDI_WORKAROUNDS has been set, so if the workaround remains disabled, the required version of binutils stays unchanged. Similarly, daddiu instructions put in branch delay slots in noreorder fragments are now taken out of them and the assembler is allowed to reorder them itself as possible (which it does making the whole idea of scheduling them into delay slots manually questionable). Also in the very few places where such a simple conversion was not possible, a handcoded longer sequence is implemented. Other than that there are changes to code responsible for building the TLB fault and page clear/copy handlers to avoid daddiu as appropriate. These are only effective if the erratum is verified to be present at the run time. Finally there is a trivial update to __delay(), because it uses daddiu in a branch delay slot. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] R4000/R4400 errata workaroundsMaciej W. Rozycki2008-01-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the gereric part of R4000/R4400 errata workarounds. They include compiler and assembler support as well as some source code modifications to address the problems with some combinations of multiply/divide+shift instructions as well as the daddi and daddiu instructions. Changes included are as follows: 1. New Kconfig options to select workarounds by platforms as necessary. 2. Arch top-level Makefile to pass necessary options to the compiler; also incompatible configurations are detected (-mno-sym32 unsupported as horribly intrusive for little gain). 3. Bug detection updated and shuffled -- the multiply/divide+shift problem is lethal enough that if not worked around it makes the kernel crash in time_init() because of a division by zero; the daddiu erratum might also trigger early potentially, though I have not observed it. On the other hand the daddi detection code requires the exception subsystem to have been initialised (and is there mainly for information). 4. r4k_daddiu_bug() added so that the existence of the erratum can be queried by code at the run time as necessary; useful for generated code like TLB fault and copy/clear page handlers. 5. __udelay() updated as it uses multiplication in inline assembly. Note that -mdaddi requires modified toolchain (which has been maintained by myself and available from my site for ~4years now -- versions covered are GCC 2.95.4 - 4.1.2 and binutils from 2.13 onwards). The -mfix-r4000 and -mfix-r4400 have been standard for a while though. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Converting most array size calculations to use ARRAY_SIZE().Alejandro Martinez Ruiz2008-01-29
| | | | | Signed-off-by: Alejandro Martinez Ruiz <alex@flawedcode.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] tlbex: Cleanup handling of R2 hazards in TLB handlers.Ralf Baechle2008-01-29
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Delete unused CONFIG_64BIT_CONTEXTRalf Baechle2008-01-29
| | | | | | | The merge of the code to use this was never completed so delete it for the time being. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Delete unused CONFIG_DMA_IP32.Ralf Baechle2008-01-29
| | | | | | | The functionality of the former dma-ip32.c has been folded into dma-default.c. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds2008-01-28
|\ | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] constify function pointer tables [WATCHDOG] TXx9 watchdog driver [WATCHDOG] misc_register patch [WATCHDOG] wdt: fix locking
| * [WATCHDOG] constify function pointer tablesJan Engelhardt2008-01-25
| | | | | | | | | | | | | | | | | | "static struct file_operations" should be "static const struct file_operations". Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| * [WATCHDOG] TXx9 watchdog driverAtsushi Nemoto2008-01-25
| | | | | | | | | | | | | | | | | | | | This is a driver for watchdog timer built into TXx9 MIPS SoCs. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| * [WATCHDOG] misc_register patch Wim Van Sebroeck2008-01-25
| | | | | | | | | | | | | | | | | | Make sure that we first do a register_reboot_notifier before we do a misc_register. A misc_register opens the interface to userspace and it's best to do this as the last action. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| * [WATCHDOG] wdt: fix lockingAlan Cox2008-01-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The audit of _p usage shows various drivers assume inb_p is somehow atomic. Of course it isn't and the delay can be split from the I/O cycle causing a timing violation on chips that matter (eg this one) With the proposed use of udelay() for some _p delays this will cease to be a mostly theoretical bug (as the delay stall is unsplittable) and wants fixing. Lots of other drivers need fixing this way too. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds2008-01-28
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (197 commits) sh: add spi header and r2d platform data V3 sh: update r7780rp interrupt code sh: remove consistent alloc stuff from the machine vector sh: use declared coherent memory for dreamcast pci ethernet adapter sh: declared coherent memory support V2 sh: Add support for SDK7780 board. sh: constify function pointer tables sh: Kill off -traditional for linker script. cdrom: Add support for Sega Dreamcast GD-ROM. sh: Kill off hs7751rvoip reference from arch/sh/Kconfig. sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default. sh: Kill off dead HS771RVoIP board support. sh: r7785rp: Fix up DECLARE_INTC_DESC() arg mismatch. sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors. sh: r2d - enable sm501 usb host function sh: remove voyagergx sh: r2d - add lcd planel timings to sm501 platform data sh: Add OHCI and UDC platform devices for SH7720. sh: intc - remove default interrupt priority tables sh: Correct pte size mismatch for X2 TLB. ...
| * | sh: add spi header and r2d platform data V3Magnus Damm2008-01-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the header file asm/spi.h and board specific code for the r2d board. The header file contains a structure that should be used to point out a single spi bus. The board specific code for r2d is updated with such a structure for the new spi_sh_sci driver. The structure contains a chip select callback plus information about the R9701 rtc chip which is attached to the spi bus. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: update r7780rp interrupt codeMagnus Damm2008-01-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updates the board specific irq code for r7780rp. The new code is very similar to the other highlander implementations, with the exception that the r7780rp handles pci interrupts using IRL. To simplify the pci code and use the same interrupt numbers as r7780mp and r7785rp we hook in to the cpu specific pci vectors. The pci interrupts and the push switch all work well with and without this patch. CF and AX88796 are not ok though and the source of the problem is unknown at this point. The AX88796 does for not detect it's proper mac address (IPL gets it right) and the kernel hangs on CF access. As a workaround this patch removes the CF and the AX88796 from the platform datain case of r7780rp. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: remove consistent alloc stuff from the machine vectorMagnus Damm2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now with the voyagergx cruft gone and the dreamcast using declared coherent memory for pci there are no users of the consistent alloc and free functions pointers in the machine vector. So this little patch simply removes these function pointers from the macvec. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: use declared coherent memory for dreamcast pci ethernet adapterMagnus Damm2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes the dreamcast use the recently added declared coherent memory functions to point out the memory window suitable for dma. Apart from cleaning up, this gives the dreamcast a proper memory allocator for pci dma memory. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: declared coherent memory support V2Magnus Damm2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds declared coherent memory support to the sh architecture. All functions are based on the x86 implementation. Header files are adjusted to use the new functions instead of the former consistent_alloc() code. This version includes the few changes what were included in the fix patch together with modifications based on feedback from Paul. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Add support for SDK7780 board.Nicholas Beck2008-01-27
| | | | | | | | | | | | | | | | | | | | | Add support for Renesas Technology Europe SDK7780 board. Signed-off-by: Nicholas Beck <nbeck@mpc-data.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: constify function pointer tablesJan Engelhardt2008-01-27
| | | | | | | | | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Kill off -traditional for linker script.Paul Mundt2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some of Sam's new work in the kbuild queue depend on ## concatenation within the linker script, which doesn't work when -traditional is enabled. -traditional is a legacy remnant anyways, and we no longer require it for anything, so kill it off completely. Noted-by: Andreas Schwab <schwab@suse.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | cdrom: Add support for Sega Dreamcast GD-ROM.Adrian McMenamin2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for the GD-Rom drive, SEGA's proprietary implementation of an IDE CD Rom for the SEGA Dreamcast. This driver implements Sega's Packet Interface (SPI) - at least partially. It will also read disks in SEGA's propreitary GD format. Unlike previous drivers (which were never in mainline) this uses DMA and not PIO to read disks. It is a new driver, not a refactoring of old drivers. Signed-off by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Acked-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Kill off hs7751rvoip reference from arch/sh/Kconfig.Adrian McMenamin2008-01-27
| | | | | | | | | | | | | | | | | | | | | Remove reference to board deleted in commit 758e06ded4c48024835ef0a14627afcde2e25929 Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default.Paul Mundt2008-01-27
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Kill off dead HS771RVoIP board support.Paul Mundt2008-01-27
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: r7785rp: Fix up DECLARE_INTC_DESC() arg mismatch.Paul Mundt2008-01-27
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors.Paul Mundt2008-01-27
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: r2d - enable sm501 usb host functionMagnus Damm2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | This patch tells the sm501 mfd driver to build platform data for the sm501 usb host driver. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: remove voyagergxMagnus Damm2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes redundant irq handling code together with unused consistent alloc code. R2D uart setup code is changed to use sm501-regs.h and unused header files are removed. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: r2d - add lcd planel timings to sm501 platform dataMagnus Damm2008-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds timings to drive a Sharp LQ104V1DG21 lcd panel that can be hooked up to R2D-1 or R2D-PLUS. The sm501fb driver should leave the pins FPEN and VBIASEN alone, and this patch instructs the driver to do so by not setting flags flags for these pins. This patch works best together with the patch posted to the linux-fbdev-devel list "sm501fb: control panel pin usage with platform data flags", but this patch can be merged independently. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Add OHCI and UDC platform devices for SH7720.Yoshihiro Shimoda2008-01-27
| | | | | | | | | | | | | | | Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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