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* sh: Add default uImage rule for sh7757lcrNobuhiro Iwamatsu2011-11-011-0/+1
| | | | | Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* serial: sh-sci: Abstract register maps.Paul Mundt2011-06-141-0/+1
| | | | | | | | | | | | | | | This takes a bit of a sledgehammer to the horribly CPU subtype ifdef-ridden header and abstracts all of the different register layouts in to distinct types which in turn can be overriden on a per-port basis, or permitted to default to the map matching the port type at probe time. In the process this ultimately fixes up inumerable bugs with mismatches on various CPU types (particularly the legacy ones that were obviously broken years ago and no one noticed) and provides a more tightly coupled and consolidated platform for extending and implementing generic features. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: support XZ-compressed kernel.Paul Mundt2011-01-141-1/+2
| | | | | | Follow the x86 change and wire up support for the XZ decompressor. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-edosk7705: Kill off machtype, consolidate board def.Paul Mundt2010-10-291-1/+0
| | | | | | Trivial shuffling and tidying. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-systemh: Kill off dead board.Paul Mundt2010-10-291-1/+0
| | | | | | | | | This code has been untouched since it was merged many years ago, and has severely bitrotted since, suggesting that the board has no real users left. Notice of intent to remove has been sent out over the last few years, with no takers. Kill it off. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-snapgear: Kill off machtype, consolidate board def.Paul Mundt2010-10-291-1/+0
| | | | | | | Only the secureedge5410 was ever supported by this code, so make the board specification explicit rather than perpetuating a mach group. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-sdk7786: update defconfig for compressed kernel image.Paul Mundt2010-04-261-1/+0
| | | | | | | Now that compressed image loading is possible for sdk7786, drop the vmlinux.bin default image target and update the defconfig accordingly. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-titan: Kill off unused PIO port mangling.Paul Mundt2010-01-281-1/+0
| | | | | | | | Nothing is using this, kill it off. Fixing up access sizes can be done with trapped I/O for anyone wanting to make use of this for devices that need it, everything else is already pure MMIO. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Preliminary SDK7786 board support.Paul Mundt2010-01-141-0/+2
| | | | | | | | | | | This stubs in some preliminary board support for the RTE SDK7786. This is quite stunted at the moment, and primarily builds on top of the system FPGA. FPGA IRQs are handled via CPU IRL masking for simplicity, with initial peripheral support restricted to the debug ethernet. Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add a vmlinux.bin target.Paul Mundt2010-01-131-1/+3
| | | | | | | This makes vmlinux.bin generation an explicit make target, as opposed to just a dependency for some of the other targets. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add support for LZO-compressed kernels.Paul Mundt2010-01-131-2/+3
| | | | | | Plugs in LZO along with the others. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: move machtypes.h to include/generatedSam Ravnborg2009-12-121-7/+3
| | | | | | | Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michal Marek <mmarek@suse.cz>
* sh: Add default uImage rule for se7724, ap325rxa, and migor.Paul Mundt2009-12-041-0/+3
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move ap325rxa board code into separate directoryMagnus Damm2009-10-301-0/+1
| | | | | | | | | Move the AP325RXA board code from a single board file to a separate directory. This to make it easy to add support for sdram sleep mode code. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Document uImage.bin target in archhelp.Paul Mundt2009-10-261-0/+1
| | | | | | | This was missing from the previous patch. Reported-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: add uImage.bin targetMagnus Damm2009-10-261-1/+1
| | | | | | | | | Add an uImage.bin target to allow uncompressed uImages. Useful for boards with busted u-boot decompression like the rsk7203 on my desk. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add EcoVec (SH7724) board supportKuninori Morimoto2009-08-201-0/+1
| | | | | | | This adds preliminary support for the EcoVec board. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: dwarf unwinder support.Matt Fleming2009-08-131-0/+4
| | | | | | | | | | This is a first cut at a generic DWARF unwinder for the kernel. It's still lacking DWARF64 support and the DWARF expression support hasn't been tested very well but it is generating proper stacktraces on SH for WARN_ON() and NULL dereferences. Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add romImage target to archhelp.Paul Mundt2009-07-291-0/+1
| | | | | | | Adds an archhelp blurb for the romImage target so it is reflected in 'make help'. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: romImage support V2Magnus Damm2009-07-291-1/+1
| | | | | | | | | | | | | This patch contains support for the romImage build target V2. The resulting romImage file should be burned to rom or flash and could be used as small boot loader. Board code should keep their setup code in the file romimage.h located in their mach include directory. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge branch 'sh/kfr2r09'Paul Mundt2009-07-231-0/+1
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| * sh: kfr2r09 board support - SCIF consoleMagnus Damm2009-07-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | This patch adds basic kfr2r09 board support. Only the SCIF1 console is supported with this patch, but this patch and a proper sh7724 configuration is all that is needed. Combine with an initramfs to have a small RAM based kernel and distribution booted as zImage from RAM via JTAG. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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*-. | Merge branches 'sh/compressors' and 'sh/stable-updates'Paul Mundt2009-07-211-5/+10
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| * | sh: bzip2/lzma uImage support.Paul Mundt2009-07-211-5/+10
| |/ | | | | | | | | | | | | This builds on the bzip2/lzma zImage support change and wires it up for uImages. Based on the blackfin implementation. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* / sh: Decouple mcount from ftrace.Paul Mundt2009-07-111-0/+4
|/ | | | | | | | | This adds a general CONFIG_MCOUNT in order to permit mcount generation without ftrace support. This is primarily for allowing platforms to enable aggressive stack overflow checking without having to enable ftrace support. Based on the sparc64 implementation. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: plug vsyscall dir in to archclean.Paul Mundt2009-06-101-0/+1
| | | | | | | | The vsyscall targets are presently not cleaned up, so just handle it in the archclean rule. Reported-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add a KBUILD_DEFCONFIG for sh64.Paul Mundt2009-05-261-9/+10
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Hook up cc-cross-prefix support.Paul Mundt2009-05-091-0/+6
| | | | | | | This implements a simple case that just iterates through the common cases, looking at UTS_MACHINE for hints. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Provide a BITS definition, use it in the arch/sh/boot/ Makefiles.Paul Mundt2009-05-091-4/+4
| | | | | | | | This introduces a BITS export that can handily be picked up by Makefiles for cleaner sharing. Reflect its use in arch/sh/boot/compressed/ in preparation for unifying the Makefiles. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Tidy up the ldscript output format specifier.Paul Mundt2009-05-091-2/+6
| | | | | | | | Tie this in to the Makefile directly, where we already know what we are running on. This tidies up the linker script a bit, and is prep work for unifying the arch/sh/boot/compressed linker scripts. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off extra cflags Kconfig entry.Paul Mundt2009-05-081-3/+0
| | | | | | | There is no real reason to use this anymore, as the build system generally knows what it is doing with regards to cflags mangling. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off sh64's hand-rolled syscall tracer.Paul Mundt2009-05-081-32/+2
| | | | | | | This is no longer necessary, as there are now sufficient generic alternatives available. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Generate uImage by default on Urquell board.Paul Mundt2009-03-101-0/+1
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-rsk: Use uImage generation by default for rsk7201/7203.Paul Mundt2008-12-221-1/+1
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Provide sdivsi3/udivsi3/udivdi3 for sh64, kill off libgcc linking.Paul Mundt2008-12-221-3/+1
| | | | | | | This moves in the necessary libgcc bits and kills off the libgcc linking for sh64 kernels as well. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Consolidate rsk7203/7201 in to a new mach-rsk.Paul Mundt2008-12-221-0/+1
| | | | | | | RSK+ platforms have quite a few characteristics in common, so roll them together in to a shiny new RSK mach-type. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Re-add support for best fit ISA tuning if none is available.Paul Mundt2008-12-221-5/+20
| | | | | | | | | | | This was removed in the libgcc integration, but there are still some compilers that need this. We also relax the rules on the ISA tuning in the cases where there are no matches for the CPU tuning and adopt the -any default, which matches the intent of the isa-y target list. This compensates for mismatches where binutils supports a wide array of targets whilst the compiler is much more restricted. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add -m4al tuning for SH4AL-DSP.Paul Mundt2008-12-221-0/+1
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Specify sane default image targets for the SH-2 platforms.Paul Mundt2008-12-221-0/+3
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Migrate necessary libgcc bits in to arch/sh/lib for SUPERH32.Paul Mundt2008-12-221-18/+1
| | | | | | | | This moves in the necessary libgcc bits for SUPERH32 and drops the libgcc linking for the regular targets. This in turn allows us to rip out quite a few hacks both in sh_ksyms_32 and arch/sh/Makefile. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: SHmedia ISA tuning fixups.Paul Mundt2008-10-311-0/+4
| | | | | | | SH-5 doesn't support any elaborate ISA inheritance schemes (-dsp, -up, etc.), so only bother with that if we are building an sh32 kernel. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Simplify and lock down the ISA tuning.Paul Mundt2008-10-281-9/+1
| | | | | | | | | | | | | | | | | | | The ISA tuning as it is today can not cope with all of the different variations that are possible, so all we can do is a best attempt based on the CPU family. The DSP and FPU generation are already at odds with each other, and the nommu tuning we weren't handling at all. Additionally, for platforms that never had an FPU, the -nofpu variant never existed, meaning that we would lose out on family granular tuning completely in certain cases. With tat out of the way, we were also using -up versions, allowing for later instructions that branched off of a particular subset of the ISA, but are not actually reflected on the hardware being targetted. This leads to some confusion, and the possibility of bogus instructions on older parts. Kill that off and lock it down to the family being built for specifically. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: sh7785lcr: Select uImage as default image target.Paul Mundt2008-10-281-1/+2
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix FPU tuning on toolchains with mismatched multilib targets.Paul Mundt2008-10-281-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Presently there is very little standing in the way of using an SH-4 toolchain for building an SH-2 kernel, and vice versa. Binutils itself has no limitations whatsoever and supports explicit ISA hinting, which we already use with varying degrees of success today. This leaves GCC as the odd one out, due to a rather dubious policy decision by the GCC folks to not include all of the CPU family variants in the default list of multilib targets in GCC4. Despite best efforts to the contrary, libgcc itself already contains awareness of the various CPU types and remains generally usable, allowing it to safely be referenced even on a mismatched target (and indeed, explicit ISA tuning by binutils keeps us honest in terms of ensuring that we do not link incompatible objects in). In order to support this, a couple of changes had to be made. Firstly, the introduction of MAYBE_DECLARE_EXPORT(), which provides a __weak extern reference for libgcc resident routines when finer-grained -m<cpu-family> based tuning is not supported by the toolchain. This fixes up the __sdivsi3_i4i and __udivsi3_i4i references when dealing with SH-2 kernels linked with an SH-4 libgcc. Secondly, in case where we are unable to find a suitable match for CPU family tuning but still have a toolchain that defaults to FP instruction generation, a suitable nofpu target must be selected. This is accomplished by selecting the first nofpu multilib target supported by the toolchain, which is also necessary for selecting the proper libgcc to link against. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Migrate common board headers to mach-common/.Paul Mundt2008-10-201-0/+3
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Provide a fixed UTS_MACHINE definition for sh64.Paul Mundt2008-09-121-0/+2
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: fix LIBGCCAdrian Bunk2008-08-021-6/+6
| | | | | | | | | | | | | | | | | | | | | | Commit f15cbe6f1a4b4d9df59142fc8e4abb973302cf44 (sh: migrate to arch/sh/include/) moved KBUILD_CFLAGS (which is used by LIBGCC) below LIBGCC, causing build errors like the following: <-- snip --> ... LD .tmp_vmlinux1 arch/sh/kernel/built-in.o: In function `module_clk_recalc': clock-sh4.c:(.text+0x80f0): undefined reference to `__udivsi3_i4i' ... make[1]: *** [.tmp_vmlinux1] Error 1 <-- snip --> Reported-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Revert the location change of auto-generated asm/machtypes.hPaul Mundt2008-08-021-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This ended up causing build breakage on O= builds, as reported by Adrian: <-- snip --> ... CC init/main.o In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/include/asm/irq.h:4, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/irq.h:23, from /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/include/asm/hardirq.h:5, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/hardirq.h:7, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/asm-generic/local.h:5, from /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/include/asm/local.h:4, from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/module.h:19, from /home/bunk/linux/kernel-2.6/git/linux-2.6/init/main.c:13: /home/bunk/linux/kernel-2.6/git/linux-2.6/arch/sh/include/asm/machvec.h:15:27: error: asm/machtypes.h: No such file or directory make[2]: *** [init/main.o] Error 1 <-- snip --> So we simply move machtypes.h back to its original place. asm-offsets.h is still generated there regardless, until such a time that we find a better place to stash auto-generated files. Reported-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off stray mach-rsk7203 reference.Paul Mundt2008-07-291-1/+0
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move out individual boards without mach groups.Paul Mundt2008-07-291-6/+2
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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