This adds support for the SH7710 VoIP Gateway board.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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: NPaul Mundt <lethal@linux-sh.org>

Formerly implemented by ADX, we can use this generically,
so move it over.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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: NPaul Mundt <lethal@linux-sh.org>

A simple debugging aid for easier visibility of the respective
cachelines.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

A trivial bug breaking the build on sh4eb.
Signed-off-by: NNobuhiro Iwamatsu <hemamu@t-base.ne.jp>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

With the new RTC class driver, we can get rid of most of the
old left over cruft.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This adds support for the SHMIN SH7706 board.
Signed-off-by: NTakashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This adds support for the aforementioned CPU subtypes, and cleans
up some build issues encountered as a result.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This adds some simple setup code for most of the CPU subtypes,
primarily simple platform device registration.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Simple sem2mutex conversion.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This implements support for ppoll() and pselect6()..
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

A few more outstanding nommu fixups..
Signed-off-by: NYoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This implements support for __NR_restart_syscall.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This fixes up some of the various outstanding nommu bugs on
SH.
Signed-off-by: NYoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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: NPaul Mundt <lethal@linux-sh.org>

Other boards require this as well, so move it out of the
rts7751r2d directory.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This implements initial math-emu support, aimed primarily at SH-3.
Signed-off-by: NTakashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

We have a clash with RTC_CLASS over these names, so we
change them..
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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: NPaul Mundt <lethal@linux-sh.org>

Nothing exciting here, just trivial fixes..
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

If a channel is not TEI capable, don't try to request_irq()..
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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: NPaul Mundt <lethal@linux-sh.org>

This adds the VoyagerGX UART to the RTS7751R2D setup
code, and cleans up a few build issues.
Signed-off-by: NManuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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: NPaul Mundt <lethal@linux-sh.org>

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: NPaul Mundt <lethal@linux-sh.org>

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: NPaul Mundt <lethal@linux-sh.org>

We had our own version, which serves no purpose. Simply
hook SH in to the generic one.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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: NAndriy Skulysh <askulysh@gmail.com>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

SE73180 can use the generic support, we just need to
wire up the IRQ demuxing.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Some of the paths were a bit broken, fix it up.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

No longer needed..
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This adds support for the Renesas SH7780 development boards,
R7780RP and R7780MP.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Rewrite the store queue API for a per-cpu interface in the driver
model. The old miscdevice is dropped, due to TASK_SIZE limitations,
and no one was using it anyways.

Carve up and allocate store queue space with a bitmap, back sq
mapping objects with a slab cache, and let userspace worry about
its own prefetching.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This updates the various boards for some of the recent I/O routine
updates.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

There was a bug that got introduced when the split ptlock changes
went in where mm could be unintialized for user mappings, this
fixes it up..
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

ioremap() overhaul. Add support for transparent PMB mapping, get rid of
p3_ioremap(), etc. Also drop ioremap() and iounmap() routines from the
machvec, as everyone can use the generic ioremap() API instead. For PCI
memory apertures and other special cases, use the pci_iomap() API, as
boards are already required to get the mapping right there.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Cleanup of page table allocators, using generic folded PMD and PUD
helpers. TLB flushing operations are moved to a more sensible spot.

The page fault handler is also optimized slightly, we no longer waste
cycles on IRQ disabling for flushing of the page from the ITLB, since
we're already under CLI protection by the initial exception handler.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Some modules seem to need this, so we export it..
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Add support for 32-bit physical addressing through the SH-4A
Privileged Space Mapping Buffer (PMB).
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>