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2008-10-10Merge branches 'machtypes', 'core', 'ep93xx', 'ks8695', 'netdev' and ↵Russell King425-2195/+2955
'sa1100' into devel
2008-10-10[ARM] 5295/1: make ZONE_DMA optionalNicolas Pitre4-2/+8
Most ARM machines don't need a special "DMA" memory zone, and when configured out, the kernel becomes a bit smaller: | text data bss dec hex filename |3826182 102384 111700 4040266 3da64a vmlinux |3823593 101616 111700 4036909 3d992d vmlinux.nodmazone This is because the system now has only one zone total which effect is to optimize away many conditionals in page allocation paths. So let's configure this zone only on machines that need split zones. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-09[ARM] 5297/1: [KS8695] Fix two compile-time warningsAndrew Victor2-3/+3
Fix two warnings when compiling for the KS8695 processor. arch/arm/include/asm/dma-mapping.h: In function 'dma_to_virt': arch/arm/include/asm/dma-mapping.h:40: warning: return makes pointer from integer without a cast Section mismatch in reference from the function pcibios_fixup_bus() to the (unknown reference) .devinit.text:(unknown) The function pcibios_fixup_bus() references the (unknown reference) __devinit (unknown). This is often because pcibios_fixup_bus lacks a __devinit annotation or the annotation of (unknown) is wrong. Signed-off-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-09[ARM] 5296/1: [KS8695] Replace macro's with trailing underscores.Andrew Victor4-16/+16
Replace Macro names that have trailing underscores. Also use the IOPD() macro instead of a hard-coded bit-shift (for better readability). Signed-off-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-07[ARM] 5293/1: ep93xx: add defines for external chipselectsHartley Sweeten1-0/+34
This patch adds defines for the external chipselect physical base addresses available with the EP93xx. These are meant to be used in the platform init code. In addition, documentation about the synchronous/asynchronous boot modes for the EP93xx and a reference to errata about issues with synchronous booting has been added. Signed-off-by: <H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-04[ARM] 5273/2: ep93xx: move ethernet support into core.cHartley Sweeten12-185/+68
All EP93xx based systems can support Ethernet. This patch moves the platform_device setup from the various board support files into the core support file. The Ethernet driver data still remains in the individual platform setup files to allow specific platform configuration. This also adds Ethernet support to the edb9302, edb9312, and edb9315 platforms. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-03[ARM] 5229/3: Replace some ARMv7 opcodes with the instruction nameCatalin Marinas2-2/+2
These instructions were placed in the code directly as opcodes because early compilers didn't support them. Toolchains supporting ARMv7 understand these instructions and the patch puts the mnemonics back. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-03[ARM] 5276/1: ep93xx: allow selecting UART for early kernel messagesHartley Sweeten2-6/+29
Currently on the EP93xx platform early kernel messages go to UART1. Since this UART is the only one that has modem control signals it might be used for another purpose and it is undesirable for those messages to appear. This patch allows one of the other UARTs to be selected in the kernel configuration. It is assumed that the bootloader has configured and initialized the UART since this was the previous assumption. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-03[ARM] 5274/1: simplify request_standard_resources()Nicolas Pitre1-7/+2
There is no point converting memory bank addresses from physical to virtual just to convert them back to physical addresses. Furthermore this isn't "right" for highmem even if in this case the end result is the correct one. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-02[NET] 5268/1: cs89x0: add support for i.MX31ADS ARM board.Gilles Chanteperdrix2-3/+17
Add support for i.MX31ADS board to the cs89x0 ethernet driver. Rework Kconfig options for the cs89x0 driver to reduce the #ifdef clutter. Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-02[ARM] 5250/1: unbalanced enable_irq() for serial_ks8695.c fixDick Hollenbeck1-9/+52
The function ks8695uart_set_termios() would cause an unbalanced enable_irq() generated message to be printk()ed. This is because there was no book keeping support to remember if the calls to enable_irq() and disable_irq() were balanced for the modem control irq. Signed-off-by: Dick Hollenbeck <dick@softplc.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-02[ARM] 5270/1: Fix Formatting in mach-sa1100/ machine filesKristoffer Ericson3-34/+34
This patch fixes formatting issues in mach-sa1100/ machine files. More specificly badge4.c,generic.c and pleb.c. Signed-off-by: Kristoffer Ericson <Kristoffer.Ericson@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-02[ARM] 5256/1: Update jornada default configKristoffer Ericson1-445/+612
This patch updates the jornada default config (which was made for 2.6.12). Plenty of development has happend since then, most importantly the SSP driver and kbd/touchscr. This config has been tested to compile and bootup properly. Signed-off-by: Kristoffer Ericson <Kristoffer.Ericson@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-02[ARM] mm: allow LH7A40x to use sparsememRussell King3-13/+14
Enable Sparsemem support for LH7A40x SoCs, while still allowing the existing discontig support for the time being. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-02[ARM] mm: deprecate discontigmem on ARMRussell King1-1/+5
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-02[ARM] mm: switch SA1100 to use sparsememRussell King2-11/+7
Tested on Assabet, and Assabet with Neponset's SDRAM at 3328M phys. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-01[ARM] mm: enable sparsemem on clps7500 and RiscPCRussell King4-3/+35
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-01[ARM] mm: finish ARM sparsemem supportRussell King1-29/+57
... including some comments about the ordering required to bring sparsemem up. You have to repeatedly guess, test, reguess, try again and again to work out what the right ordering is. Many hours later... Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-01[ARM] mm: provide helpers for accessing membanksRussell King2-31/+39
Provide helpers for getting physical addresses or pfns from the meminfo array, and use them. Move for_each_nodebank() to asm/setup.h alongside the meminfo structure definition. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-01[ARM] mm: move vmalloc= parsing to arch/arm/mm/mmu.cRussell King3-21/+22
There's no point scattering this around the tree, the parsing of the parameter might as well live beside the code which uses it. That also means we can make vmalloc_reserve a static variable. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-10-01[ARM] mm: move validation of membanks to one placeRussell King3-12/+19
The newly introduced sanity_check_meminfo() function should be used to collect all validation of the meminfo array, which we have in bootmem_init(). Move it there. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-30[ARM] 5272/1: remove conditional compilation in show_pte()Nicolas Pitre1-3/+2
The PTRS_PER_PMD != 1 condition can be evaluated with C code and optimized at compile time. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-30[ARM] 5271/1: get rid of pages_to_mb()Nicolas Pitre1-5/+0
There is no use of this in the whole tree. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-30[ARM] 5269/1: ARMv7: Use -march=armv7-a as compiler flagCatalin Marinas1-1/+1
The current -march=armv7a is not supported by mainline gcc. Cc: Paul Brook <paul@codesourcery.com> Cc: Wei Zhong <weizhong@broadcom.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-30[ARM] dma: fix some comments in dma-mapping.hRussell King1-8/+7
... to prevent people being mislead. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-30[ARM] dma: don't touch cache on dma_*_for_cpu()Russell King2-11/+3
As per the dma_unmap_* calls, we don't touch the cache when a DMA buffer transitions from device to CPU ownership. Presently, no problems have been identified with speculative cache prefetching which in itself is a new feature in later architectures. We may have to revisit the DMA API later for these architectures anyway. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-29[ARM] dma: add validation of DMA paramsRussell King2-4/+15
Validate the direction argument like x86 does. In addition, validate the dma_unmap_* parameters against those passed to dma_map_* when using the DMA bounce code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-29[ARM] dma: coding style cleanupsRussell King2-88/+64
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-29[ARM] dma: fix dmabounce dma_sync_xxx() implementationsRussell King2-101/+69
The dmabounce dma_sync_xxx() implementation have been broken for quite some time; they all copy data between the DMA buffer and the CPU visible buffer no irrespective of the change of ownership. (IOW, a DMA_FROM_DEVICE mapping copies data from the DMA buffer to the CPU buffer during a call to dma_sync_single_for_device().) Fix it by getting rid of sync_single(), moving the contents into the recently created dmabounce_sync_for_xxx() functions and adjusting appropriately. This also makes it possible to properly support the DMA range sync functions. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-29[ARM] dma: use new dmabounce_sync_for_xxx() for dma_sync_single_xxx()Russell King2-98/+76
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-29[ARM] dma: Reduce to one dma_sync_sg_* implementationRussell King3-38/+31
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-26[ARM] dma: Reduce to one dma_map_sg()/dma_unmap_sg() implementationRussell King2-54/+16
No point having two of these; dma_map_page() can do all the work for us. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-26[ARM] dma: provide a better dma_map_page() implementationRussell King2-1/+23
We can translate a struct page directly to a DMA address using page_to_dma(). No need to use page_address() followed by virt_to_dma(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-25[ARM] Update dma_map_sg()/dma_unmap_sg() APIRussell King3-125/+115
Update the ARM DMA scatter gather APIs for the scatterlist changes. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-25[ARM] dma: rename consistent.c to dma-mapping.cRussell King2-2/+2
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-25[ARM] Print details relevant to how we handle the cacheRussell King1-0/+9
This replaces the original cache type decoding printks. We now indicate how we're treating the cache which we found, rather than what we found. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-25[ARM] Introduce new bitmask based cache type macrosRussell King2-81/+59
Rather than trying to (inaccurately) decode the cache type from the registers each time we need to decide what type of cache we have, use a bitmask initialized early during boot. Since the setup is a one-off initialization, we can be a little more clever and take account of the CPU architecture as well. Note that we continue to achieve the compactness on optimised kernels by forcing tests to always-false or always-true as appropriate, thereby allowing the compiler to do build-time code elimination. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-25[ARM] Remove cache type printksRussell King1-141/+1
The cache type register found in ARMv5 and later CPUs changes format and meaning depending on the CPU architecture version. Currently, this code: a) doesn't work for everything - Xscale's are identified as 'unknown 5'. b) is not able to tell whether the caches are VIVT or VIPT from the cache type. c) prints rubbish on some ARMv6 and ARMv7+ CPUs. The two solutions to this are: 1. Add yet more code to decode and print the various different register formats. 2. Remove the code altogther. The code only exists to decode and print the cache parameters. Increasing the complexity of it just for the sake of a few prinks isn't worth it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-25[ARM] Update mach-typesRussell King1-3/+41
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-17[ARM] Fix IOP13xx build warningsRussell King1-19/+39
http://armlinux.simtec.co.uk/kautobuild/2.6.27-rc5/iop13xx_defconfig/zimage.log Occurrences Warning text 339 arch/arm/include/asm/dma-mapping.h:40: warning: return makes pointer from integer without a cast 203 arch/arm/include/asm/dma-mapping.h:45: warning: return makes integer from pointer without a cast Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-09[ARM] Add -march=all to assembly file build in arch/arm/boot/compressedRussell King1-1/+1
This allows assembly files to be crafted to cover all ARM CPU types rather than erroring out on instructions only in later CPUs. We are careful in these files to only execute CPU specific code when the CPU ID says we can. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-07[ARM] 5243/1: ep93xx: bugfix, GPIO ports C and F are swappedHartley Sweeten1-2/+2
In the GPIOLIB support for EP93xx ports C anf F are swapped. This patch correct it. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-07[ARM] 5242/1: ep93xx: bugfix, GPIO port F enable register offsetHartley Sweeten1-1/+1
The GPIO port F enable register offset points to the wrong register, 0x5c is the IntStsF register. The correct offset is 0x58. This patch corrects it. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-07[NET] smc91x: provide configurable ledsRussell King3-2/+11
This patch provides a mechanism for platforms to be able to supply the LED configuration via platform data, rather than having to hard code it in smc91x.h. Acked-by: Eric Miao <eric.y.miao@gmail.com> Acked-by: Nicolas Pitre <nico@cam.org> Acked-by: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-06[ARM] Convert asm/bitops.h to linux/bitops.hRussell King4-4/+4
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-06[ARM] Convert asm/delay.h to linux/delay.hRussell King2-2/+2
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-06[ARM] Convert asm/io.h to linux/io.hRussell King278-306/+282
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-06[ARM] Convert asm/uaccess.h to linux/uaccess.hRussell King14-15/+13
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-06[ARM] clean up a load of old declarationsRussell King5-9/+3
... some of which are now in linux/*.h headers. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-06[ARM] move initrd code from kernel/setup.c to mm/init.cRussell King2-39/+37
This quietens some sparse warnings about phys_initrd_start and phys_initrd_size. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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