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* serial: sh-sci: Reorder the SCxTDR write after the TDxE clear.Paul Mundt2008-11-13
| | | | | | | | | | | | Under qemu there is a race between the TDxE read-and-clear and the SCxTDR write. While on hardware it can be gauranteed that the read-and-clear will happen prior to the character being written out, no such assumption can be made under emulation. As this path happens with IRQs off and the hardware itself doesn't care about the ordering, move the SCxTDR write until after the read-and-clear. Signed-off-by: Vladimir Prus <vladimir@codesourcery.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fixed the TMU0 reload value on resumeFrancesco VIRLINZI2008-11-13
| | | | | | | | | | | | | This patch fixes the TMU0 interrupt frequency on suspend/resume. During the resume the kernel reprograms the TMU0.ClockEvent mode but if the mode is periodic than the TMU0.TCOR is updated with a random wrong value without taking care latest valid saved value. There was no problem with No_HZ system where TMU0.TCOR isn't used. Signed-off-by: Francesco M. Virlinzi <francesco.virlinzi@st.com> Signed-off-by: Stuart Menefy <stuart.menefy@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: early printk port type fixMagnus Damm2008-11-13
| | | | | | | Add PORT_SCIF to unbreak the early printk code. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* fix sci type for SH7723Yoshihiro Shimoda2008-11-11
| | | | | | | This patch changes sci type of SH7723 from PORT_SCI to PORT_SCIFA. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: FTRACE renamed to FUNCTION_TRACER.Paul Mundt2008-10-31
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Add support usb setting on sh 7366Kuninori Morimoto2008-10-31
| | | | | | | This patch add usb setting for sh 7366 Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add on-chip RTC support for SH7722.Paul Mundt2008-10-28
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix FPU tuning on toolchains with mismatched multilib targets.Paul Mundt2008-10-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: sh7785 pinmux supportMagnus Damm2008-10-22
| | | | | | | This patch implements pinmux tables for the sh7785 processor. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off unused p1fc divisors from SH7763 clk fwk.Paul Mundt2008-10-22
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: improve pinmux support for single direction pinsMagnus Damm2008-10-22
| | | | | | | | | | This patch improves the support for gpio pins that are hard wired to either input or output and lack control register association. A special force enum id is used to allow use without control register but still mark the gpio pin as input or output. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Update gpio_set_value() pin value handlingMagnus Damm2008-10-21
| | | | | | | | | This patch updates the pinmux code to use the boolean value for the function gpio_set_value(). Without this patch values other than 0 and 1 will result in incorrect GPIO settings. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Export cache flush routines needed by sh_eth on SH7619.Paul Mundt2008-10-21
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Wire up oops reporting in the die notifier chain.Paul Mundt2008-10-21
| | | | | | | | | | | Commit 3f5a54e371ca20b119b73704f6c01b71295c1714 ("ftrace: dump out ftrace buffers to console on panic") added an ftrace buffer dumper that hooks in to the die notifier chain and dumps out data in the oops path. Unfortunately SH supported ftrace but didn't support DIE_OOPS, so add that in and get it building again. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Hook up PB0->PB7 input-only pins in SH7203 PFC.Paul Mundt2008-10-21
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: arch/sh/kernel/smp.c needs linux/cpu.h for notify_cpu_starting().Paul Mundt2008-10-20
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix up the SH7203 build.Paul Mundt2008-10-20
| | | | | | | The sh7203.h include paths were missed in the previous update, so switch the include path to cpu/ as with the rest. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds2008-10-20
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (112 commits) sh: Move SH-4 CPU headers down one more level. sh: Only build in gpio.o when CONFIG_GENERIC_GPIO is selected. sh: Migrate common board headers to mach-common/. sh: Move the CPU definition headers from asm/ to cpu/. serial: sh-sci: Add support SCIF of SH7723 video: add sh_mobile_lcdc platform flags video: remove unused sh_mobile_lcdc platform data sh: remove consistent alloc cruft sh: add dynamic crash base address support sh: reduce Migo-R smc91x overruns sh: Fix up some merge damage. Fix debugfs_create_file's error checking method for arch/sh/mm/ Fix debugfs_create_dir's error checking method for arch/sh/kernel/ sh: ap325rxa: Add support RTC RX-8564LC in AP325RXA board sh: Use sh7720 GPIO on magicpanelr2 board sh: Add sh7720 pinmux code sh: Use sh7203 GPIO on rsk7203 board sh: Add sh7203 pinmux code sh: Use sh7723 GPIO on AP325RXA board sh: Add sh7723 pinmux code ...
| * sh: Only build in gpio.o when CONFIG_GENERIC_GPIO is selected.Paul Mundt2008-10-20
| | | | | | | | | | | | | | | | | | The pinmux management is tied in to this code, while it is presently only used by platforms that select GENERIC_GPIO. The asm/gpio.h definitions are not referenced when GENERIC_GPIO is disabled, resulting in a build failure for all of the platforms that don't select it. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Move the CPU definition headers from asm/ to cpu/.Paul Mundt2008-10-19
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: add dynamic crash base address supportMagnus Damm2008-10-19
| | | | | | | | | | | | | | Add support for dynamic crash kernel base address. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Fix up some merge damage.Paul Mundt2008-10-19
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * Merge branch 'master' of ↵Paul Mundt2008-10-19
| |\ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: Documentation/kernel-parameters.txt arch/sh/include/asm/elf.h
| * \ Merge branch 'sh/gpiolib'Paul Mundt2008-10-19
| |\ \
| | * | sh: Add sh7720 pinmux codeMagnus Damm2008-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds pinmux and gpio support for the sh7720 processor. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | * | sh: Add sh7203 pinmux codeMagnus Damm2008-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds pinmux and gpio support for the sh7203 processor. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | * | sh: Add sh7723 pinmux codeMagnus Damm2008-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds pinmux and gpio support for the sh7723 processor. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | * | sh: Add sh7722 pinmux codeMagnus Damm2008-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds pinmux and gpio support for the sh7722 processor. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| | * | sh: GPIO and pinmux base codeMagnus Damm2008-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds gpio code together with the pinmux table parser. In the future we should optimize this and switch back to gpiolib. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | | Fix debugfs_create_dir's error checking method for arch/sh/kernel/Zhaolei2008-10-19
| |/ / | | | | | | | | | | | | | | | | | | | | | debugfs_create_dir() returns NULL if an error occurs, returns -ENODEV when debugfs is not enabled in the kernel. Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: More I/O routine overhauling.Paul Mundt2008-10-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This tidies up a lot of the PIO/MMIO split. No in-tree platforms were making use of the MMIO overloading through the machvec (nor have any of them been in some time), so we just kill all of that off. The ISA I/O routine wrapping remains unaffected, which remains the only special casing outside of the iomap API that boards need to think about. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Move the shared INTC code out to drivers/sh/Paul Mundt2008-10-01
| | | | | | | | | | | | | | | | | | | | | The INTC code will be re-used across different architectures, so move this out to drivers/sh/ and include/linux/sh_intc.h respectively. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Use __raw_xxx() I/O accessors for INTC and IPR.Paul Mundt2008-10-01
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: SH-5 clk fwk support.Paul Mundt2008-09-29
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Fix up signal_64 cast warnings.Paul Mundt2008-09-29
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Force pending restarted system calls to return -EINTR.Paul Mundt2008-09-24
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Add FPU registers to regset interface.Paul Mundt2008-09-21
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: ftrace support.Paul Mundt2008-09-21
| | | | | | | | | | | | | | | | | | | | | This adds support for ftrace to SH. This only includes CONFIG_FTRACE, and does not handle dynamic ftrace presently. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Trivial trace_mark() instrumentation for core events.Paul Mundt2008-09-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements a few trace points across events that are deemed interesting. This implements a number of trace points: - The page fault handler / TLB miss - IPC calls - Kernel thread creation The original LTTng patch had the slow-path instrumented, which fails to account for the vast majority of events. In general placing this in the fast-path is not a huge performance hit, as we don't take page faults for kernel addresses. The other bits of interest are some of the other trap handlers, as well as the syscall entry/exit (which is better off being handled through the tracehook API). Most of the other trap handlers are corner cases where alternate means of notification exist, so there is little value in placing extra trace points in these locations. Based on top of the points provided both by the LTTng instrumentation patch as well as the patch shipping in the ST-Linux tree, albeit in a stripped down form. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Move lookup_exception_vector() out to asm/system_32.h.Paul Mundt2008-09-20
| | | | | | | | | | | | | | | | | | | | | | | | There are other places where we want to have access to the trap/exception number, so move out the lookup_exception_vector() helper. While we're at it, refactor it slightly to return the vector instead. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Fix up signal_64 conflicting handle_signal() definition.Paul Mundt2008-09-17
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Fix up fpu emu build.Paul Mundt2008-09-17
| | | | | | | | | | | | | | | | | | | | | The addition of the kprobes code pushed down a variable declaration, clean it up. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: latencytop support.Paul Mundt2008-09-12
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Tidy up ELF core dumps.Paul Mundt2008-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These have been using overrides for ELF_CORE_COPY_TASK_REGS and ELF_CORE_COPY_FPREGS while the generic versions can be used instead. Presently the pt_regs are also duplicated across elf_core_copy_regs() and elf_core_copy_task_regs(), this switches to simply copying out through elf_core_copy_regs() instead. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Check SR.DSP bit for DSP regset validity.Paul Mundt2008-09-12
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Add missing task_user_regset_view() definition.Paul Mundt2008-09-12
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Add DSP registers to regset interface.Paul Mundt2008-09-12
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: Flag T-bit for syscall restart.Paul Mundt2008-09-12
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: ptrace: Introduce user_regset interface for gp regs.Paul Mundt2008-09-12
| | | | | | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * | sh: intc_prio_data() test before subtraction on unsignedroel kluin2008-09-09
| | | | | | | | | | | | | | | | | | | | | bit is unsigned, so test before subtraction Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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