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* sh: Support for L2 cache on newer SH-4A CPUs.Paul Mundt2006-09-27
| | | | | | | This implements preliminary support for the L2 caches found on newer SH-4A CPUs. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Update kexec support for API changes.Paul Mundt2006-09-27
| | | | | | This was falling a bit behind.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Optimized readsl()/writesl() support.Paul Mundt2006-09-27
| | | | | | Implement optimized copies of readsl()/writesl(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Report movli.l/movco.l capabilities.Paul Mundt2006-09-27
| | | | | | | Add llsc to cpu_flags[] and comment cpu-features.h. Signed-off-by: Jamie Lenehan <nynaeve@twibble.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: CPU flags in AT_HWCAP in ELF auxvt.Paul Mundt2006-09-27
| | | | | | Encode processor flags in AT_HWCAP in the ELF auxiliary vector. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add support for 4K stacks.Paul Mundt2006-09-27
| | | | | | | | | This enables support for 4K stacks on SH. Currently this depends on DEBUG_KERNEL, but likely all boards will switch to this as the default in the future. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Enable /proc/kcore support.Paul Mundt2006-09-27
| | | | | | This was previously unimplemented.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: stack debugging support.Paul Mundt2006-09-27
| | | | | | This adds a DEBUG_STACK_USAGE and DEBUG_STACKOVERFLOW for SH. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: select CONFIG_EMBEDDED.Paul Mundt2006-09-27
| | | | | | | This solution isn't very optimal, but it's generaly the behaviour that we want.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: machvec rework.Paul Mundt2006-09-27
| | | | | | | | | Some more machvec overhauling and setup code cleanup. Kill off get_system_type() and platform_setup(), we can do these both through the machvec. While we're add it, kill off more useless mach.c's and drop some legacy cruft from setup.c. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Solution Engine SH7343 board support.Paul Mundt2006-09-27
| | | | | | This adds support for the SE7343 board. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: SH7710VoIPGW board support.Paul Mundt2006-09-27
| | | | | | This adds support for the SH7710 VoIP Gateway board. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Enable verbose BUG() support.Paul Mundt2006-09-27
| | | | | | Add SH to the list of platforms interested in Verbose BUG(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Cleanup IRQ disabling for hardirq handlers.Paul Mundt2006-09-27
| | | | | | | | The generic hardirq layer already takes care of a lot of the appropriate locking and disabling for us, no need to duplicate it in the handlers.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: maskreg IRQ support.Paul Mundt2006-09-27
| | | | | | | Formerly implemented by ADX, we can use this generically, so move it over. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off dead boards.Paul Mundt2006-09-27
| | | | | | | None of these have been maintained in years, and no one seems to be interested in doing so, so just get rid of them. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* watchdog: Add a simple mmap() stub for shwdt.Paul Mundt2006-09-27
| | | | | | | | In some applications people have expressed a need for an mmap() method, so we implement a simple stub for this that maps back a page with the counter in it. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: New atomic ops for SH-4A movli.l/movco.lPaul Mundt2006-09-27
| | | | | | | SH-4A implements LL/SC instructions, so we implement a simple set of atomic operations using these. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add support for cacheline poking through debugfs.Paul Mundt2006-09-27
| | | | | | | A simple debugging aid for easier visibility of the respective cachelines. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fix memcpy() build error on sh4eb.Nobuhiro Iwamatsu2006-09-27
| | | | | | | A trivial bug breaking the build on sh4eb. Signed-off-by: Nobuhiro Iwamatsu <hemamu@t-base.ne.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off the rest of the legacy rtc mess.Paul Mundt2006-09-27
| | | | | | | With the new RTC class driver, we can get rid of most of the old left over cruft. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: SHMIN board support.Takashi YOSHII2006-09-27
| | | | | | | This adds support for the SHMIN SH7706 board. Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add support for SH7706/SH7710/SH7343 CPUs.Paul Mundt2006-09-27
| | | | | | | This adds support for the aforementioned CPU subtypes, and cleans up some build issues encountered as a result. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* serial: Add SERIAL_SH_SCI_NR_UARTS for sh-sci.Paul Mundt2006-09-27
| | | | | | | | sh-sci needs to be able to define its number of ports to support, we do this with a config option, like most other ports do. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add setup code for various CPU subtypes.Paul Mundt2006-09-27
| | | | | | | This adds some simple setup code for most of the CPU subtypes, primarily simple platform device registration. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: sem2mutex conversion for clock framework.Paul Mundt2006-09-27
| | | | | | Simple sem2mutex conversion. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: pselect6 and ppoll, along with signal trampoline rework.Paul Mundt2006-09-27
| | | | | | This implements support for ppoll() and pselect6().. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: __addr_ok() and other misc nommu fixups.Yoshinori Sato2006-09-27
| | | | | | | A few more outstanding nommu fixups.. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: __NR_restart_syscall support.Paul Mundt2006-09-27
| | | | | | This implements support for __NR_restart_syscall. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Various nommu fixes.Yoshinori Sato2006-09-27
| | | | | | | | This fixes up some of the various outstanding nommu bugs on SH. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Make PAGE_OFFSET configurable.Paul Mundt2006-09-27
| | | | | | | | nommu needs to be able to shift PAGE_OFFSET, so we switch it to a non-user-visible CONFIG_PAGE_OFFSET and use that in the few places where it matters. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move voyagergx_reg.h to a more sensible place.Paul Mundt2006-09-27
| | | | | | | Other boards require this as well, so move it out of the rts7751r2d directory. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: math-emu supportTakashi YOSHII2006-09-27
| | | | | | | This implements initial math-emu support, aimed primarily at SH-3. Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* rtc: New RTC driver for SuperH On-Chip RTC.Paul Mundt2006-09-27
| | | | | | | | This replaces the old SH RTC driver, and allows us to clean quite a lot of things up on the board-specific side. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Rename rtc_get/set_time() to avoid RTC_CLASS conflict.Paul Mundt2006-09-27
| | | | | | | We have a clash with RTC_CLASS over these names, so we change them.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fixup __strnlen_user() behaviour.Paul Mundt2006-09-27
| | | | | | | | | | Drop TIF_USERSPACE and add addr_limit to the thread_info struct. Subsequently, use that for address checking in strnlen_user() to ward off bogus -EFAULTs. Make __strnlen_user() return 0 on exception, rather than -EFAULT. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: More cosmetic cleanups and trivial fixes.Paul Mundt2006-09-27
| | | | | | Nothing exciting here, just trivial fixes.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Fixup TEI IRQ requests in request_dma().Paul Mundt2006-09-27
| | | | | | If a channel is not TEI capable, don't try to request_irq().. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: G2 DMA IRQ and residue sampling.Paul Mundt2006-09-27
| | | | | | | | This fixes a long-standing FIXME for G2 DMA, where we finally wire up the IRQ handler and allow for sampling remaining bytes while in-flight. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: VoyagerGX cleanups and 8250 UART support.Paul Mundt2006-09-27
| | | | | | | | This adds the VoyagerGX UART to the RTS7751R2D setup code, and cleans up a few build issues. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Inhibit mapping PCI apertures through page tables.Paul Mundt2006-09-27
| | | | | | | | | | Inhibit mapping through page tables in __ioremap() for PCI memory apertures on SH7751 and SH7780-style PCI controllers, translation is not possible for these areas. For other users that map a small window in P1/P2 space, ioremap() traps that already, and should never make it to __ioremap(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Consolidated SH7751/SH7780 PCI support.Paul Mundt2006-09-27
| | | | | | | | This cleans up quite a lot of the PCI mess that we currently have, and attempts to consolidate the duplication in the SH7780 and SH7751 PCI controllers. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* serial: Rework sh-sci for driver model.Paul Mundt2006-09-27
| | | | | | | | | sh-sci was turning in to an unmaintainable mess, especially with regards to the port list. This cleans it up quite a bit, and switches over to a platform device model where subtypes will register their port list individually in their setup code. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: kgdb stub cleanups.Paul Mundt2006-09-27
| | | | | | | | Some kgdb cleanup. Move hexchars/highhex/lowhex to the header, so it can be reused by sh-sci. Also drop silly ctrl_inl/outl() overloading being done by the kgdb stub. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Use generic CONFIG_FRAME_POINTER.Paul Mundt2006-09-27
| | | | | | | We had our own version, which serves no purpose. Simply hook SH in to the generic one. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: APM/PM support.Andriy Skulysh2006-09-27
| | | | | | | | | This adds some simple PM stubs and the basic APM interfaces, primarily for use by hp6xx, where the existing userland expects it. Signed-off-by: Andriy Skulysh <askulysh@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Free up some and document PTEL flags.Paul Mundt2006-09-27
| | | | | | | | Drop _PAGE_SHARED/_PAGE_U0_SHARED and document Linux PTE encodings in the PTEL value. Preserve the swap cache entry encoding semantics for now, though it will need rework to free up _PAGE_WT from _PAGE_FILE. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Update new-machine.txt so it's more accurate.Paul Mundt2006-09-27
| | | | | | | This fell behind a bit, get it updated so the documentation has something in common with reality. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: SE73180 updates for IRQ changes.Paul Mundt2006-09-27
| | | | | | | SE73180 can use the generic support, we just need to wire up the IRQ demuxing. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* video: Update header location in hp680_bl.Andriy Skulysh2006-09-27
| | | | | | | Trivial build fix. Signed-off-by: Andriy Skulysh <askulysh@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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