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* [PATCH] Use sg_set_buf/sg_init_one where applicableDavid Hardeman2005-10-29
| | | | | | | | | | | | | This patch uses sg_set_buf/sg_init_one in some places where it was duplicated. Signed-off-by: David Hardeman <david@2gen.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Greg KH <greg@kroah.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [PATCH] Introduce sg_set_bufHerbert Xu2005-10-29
| | | | | | | | | | | | sg_init_one is a nice tool for the block layer. However, users of struct scatterlist in other subsystems don't usually need the DMA attributes. For them it's a waste of time and space to initialise the whole struct scatterlist structure. Therefore this patch adds a new function sg_set_buf to initialise a scatterlist without zeroing the DMA attributes. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-10-29
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| * [ARM] 3061/1: cleanup the XIP link address messNicolas Pitre2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Nicolas Pitre Since vmlinux.lds.S is preprocessed, we can use the defines already present in asm/memory.h (allowed by patch #3060) for the XIP kernel link address instead of relying on a duplicated Makefile hardcoded value, and also get rid of its dependency on awk to handle it at the same time. While at it let's clean XIP stuff even further and make things clearer in head.S with a nice code reduction. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3060/1: allow constants found in asm/memory.h to be used in asm codeNicolas Pitre2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | Patch from Nicolas Pitre This patch allows for assorted type of cleanups by letting assembly code use the same set of defines for constant values and avoid duplicated definitions that might not always be in sync, or that might simply be confusing due to the different names for the same thing. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3022/1: Missing peripheral devices memory mapping definition for ↵Kenneth Tan2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IXP46X processor Patch from Kenneth Tan Defining IXP46X peripheral devices memory mapping definitions that have been missed out: o Peripheral virtual base address is being adjusted to allow more headroom to add extra peripheral device addresses o Peripheral size is being increased to address the above needs o Virtual address of expansion bus and PCI configuration register needs to be adjusted as new peripheral device memory space is overlapping with their virtual address space Signed-off-by: Kenneth Tan <chong.yin.tan@intel.com> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3059/1: fix XIP supportNicolas Pitre2005-10-29
| | | | | | | | | | | | | | | | | | Patch from Nicolas Pitre Fix XIP support after recent bootmem code refactoring. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3053/1: introduce ixp2000_reg_wrb (ixp2000_reg_write plus readback)Lennert Buytenhek2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek Introduce ixp2000_reg_wrb, which is a variant of ixp2000_reg_write that does a readback from the target register, to make sure that the write has been flushed out of the write buffer. Unlike the previous (ineffective) readback in ixp2000_reg_write, this readback is followed by an instruction that depends on the value of the readback so that the CPU actually stalls until the readback has completed. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3051/1: turn ixp2000_reg_read into an inline functionLennert Buytenhek2005-10-29
| | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek Turn ixp2000_reg_read into an inline function. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3050/1: remove ixp2000_reg_write erratum #66 workaroundLennert Buytenhek2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek The workaround that we do for avoiding triggering ixp2400 erratum #66 involves mapping I/O pages using XCB=101 instead of XCB=000 so that we prevent the I/O signal to the gasket from being asserted (which can cause data corruption.) But XCB=101 mappings are write-buffered while mappings using XCB=000 are not, which is why if we use XCB=101 mappings we do a readback for every CSR store in an attempt to make sure that the store has been pushed out of the xscale core and the gasket. Unfortunately, there are two issues with this: - we do a readback for every CSR store, which is wrong, because the register we are writing to might have unwanted side-effects on read, for example, in the case of the scratchpad ring enqueue/dequeue registers; and - the readback is totally ineffective in the way we currently do it, because we just issue a load but do not issue any instruction that depends on the return value of that load, so the xscale core does not wait for the load to complete before continuing. See this linux-arm-kernel mailing list post for further information: http://lists.arm.linux.org.uk/pipermail/linux-arm-kernel/2005-September/031314.html This means that my ixp2400 boxes have been running for many months without a working readback in ixp2000_reg_write, without any apparent adverse effects. Two of them have been running for a week now with the actual readback deleted from ixp2000_reg_write, also without any apparent ill effects. So, because in its current form it does more harm than good, the readback in ixp2000_reg_write should simply be killed, as the patch below does. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Fix Assabet reboot with SA1100 MTD map driverRussell King2005-10-29
| | | | | | | | | | | | | | | | Unfortunately, some devices forgot to reset the flash on reboot. Arrange for the map driver to suspend & resume the flash to ensure that it is in a sane state before rebooting. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Add support for SA1100 Jornada flash device supportRussell King2005-10-29
| | | | | | | | | | | | | | This got dropped from the SA1100 flash driver a while back and never added to the platform support file. Add it back. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Allow MTD device name to be passed via platform dataRussell King2005-10-29
| | | | | | | | | | | | | | Allow SA1100 devices to pass the name of the flash device to the SA1100 map driver. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Fix MTD device/partition destructionRussell King2005-10-29
| | | | | | | | | | | | | | We should not delete MTD partitions when we registered a MTD device. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Add support for init/exit methods in sa1100 MTD map driverRussell King2005-10-29
| | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Rename 'data' to 'plat' in sa1100 MTD map driverRussell King2005-10-29
| | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Fix buggy __phys_to_pfn / __pfn_to_physRussell King2005-10-29
| | | | | | | | | | | | | | Macro arguments should _always_ be surrounded by parentheses when used to prevent unexpected problems with operator precedence. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Ensure machine information structures aren't optimised awayRussell King2005-10-29
| | | | | | | | | | | | | | | | Since the machine information structures are now static, the compiler might optimise them away. Mark them with __attribute_used__ to prevent this occuring. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2005-10-29
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| * | Update MIPS defconfig files.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | prom_free_prom_memory() returns unsigned longArthur Othieno2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some boards declare prom_free_prom_memory as a void function but the caller free_initmem() expects a return value. Fix those up and return 0 instead, just like everyone else does. Signed-off-by: Arthur Othieno <a.othieno@bluewin.ch> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Get rid of SINGLE_ONLY_FPU. Linux does not support half FPU other thanRalf Baechle2005-10-29
| | | | | | | | | | | | | | | | | | by emulation of a full FPU. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Fix all the get_user / put_user related sparse warnings.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Delete unused ieee754_cname[] and declaration.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Include for prototypes.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Protect against multiple inclusion.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Remove useless casts of kmalloc return values.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Hack to resolve longstanding prefetch issueRalf Baechle2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | Prefetching may be fatal on some systems if we're prefetching beyond the end of memory on some systems. It's also a seriously bad idea on non dma-coherent systems. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | More foolproofing of the CPU configuration.Ralf Baechle2005-10-29
| | | | | | | | | | | | | | | | | | | | | Limit the number of cpu type options in the cpu menu to just those types that are actually available for the select platform. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | pci-expmem-hackAndrew Isaacson2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CFE 1.2.5 and earlier fails to turn on the ExpMemEn bit in the PCIFeatureControl register, which means that DMA does not work beyond physical address 01_0000_0000, ergo to DRAM beyond 1GB. With ExpMemEn turned on, 01_0000_0000-0f_ffff_ffff is mapped, so DMA works for up to 61 GB of DRAM. Will be fixed in CFE 1.2.6 (yet to be released). Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | BCM1480 HT supportAndrew Isaacson2005-10-29
| | | | | | | | | | | | | | | | | | | | | PCI support code for PLX 7250 PCI-X tunnel on BCM91480B BigSur board. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Support for the BCM1480 on-chip PCI-X bridge.Andrew Isaacson2005-10-29
| | | | | | | | | | | | | | | Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | SB1 cache exception handling.Andrew Isaacson2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | Expand SB1 cache error handling by adding SB1_CEX_ALWAYS_FATAL and SB1_CEX_STALL, allowing configurable behavior on cache errors. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Support for BigSur board.Andrew Isaacson2005-10-29
| | | | | | | | | | | | | | | Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Add support for BCM1480 family of chips.Andrew Isaacson2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | - Kconfig and Makefile changes - arch/mips/sibyte/bcm1480/ - changes to sibyte common code to support 1480 Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Add support for SB1A CPU.Andrew Isaacson2005-10-29
| | | | | | | | | | | | | | | Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Sibyte header cleanupAndrew Isaacson2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | Update sibyte headers to match Broadcom internal copies: - comment cleanup and updates - fix LittleSur part number to match the board silkscreen Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | BCM1480 headersAndrew Isaacson2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add header files for BCM1480/1280/1455/1255 family of chips, and update sb1250 headers which are shared by BCM1480 family. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> diff --git a/include/asm-mips/sibyte/bcm1480_int.h b/include/asm-mips/sibyte/bcm1480_int.h new file mode 100644
| * | Sibyte fixesAndrew Isaacson2005-10-29
| | | | | | | | | | | | | | | | | | | | | Fix typo in cpu_probe_sibyte. Signed-Off-By: Andy Isaacson <adi@broadcom.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Make UL what should be UL.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Fix zero length sys_cacheflushAtsushi Nemoto2005-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | Cacheflush(0, 0, 0) was crashing the system. This is because flush_icache_range(start, end) tries to flushing whole address space (0 - ~0UL) if both start and end are zero. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Get 64-bit right in the kgdb stub.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Sys_lookup_dcookie arguments occupy 4 argument slots.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | FPU emulator garbage collection.Ralf Baechle2005-10-29
| | | | | | | | | | | | | | | | | | First argument of fpu_emulator_cop1Handler() was unused. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Don't print file name and line in die and die_if_kernel.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Rename page argument of flush_cache_page to something more descriptive.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Define EOWNERDEAD and ENOTRECOVERABLE.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | Sliceup Kconfig; it's grown too large.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | More configcheck fixes.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | 2.6.14-rc1 updates for MIPS compat types.Ralf Baechle2005-10-29
| | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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