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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add JPU support on Migo-R via UIO. This make use of Magnus's
generic UIO platform driver. Chunk of contiguous memory to hold
intermediate image and compressed data during encode and decode.
Signed-off-by: Takanari Hayama <taki@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Enable LCDC deferred io on Migo-R using 1s delay.
As with other deferred io frame buffers user space code should
use fsync() on the frame buffer device to trigger an update.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add LCDC interrupt resources for AP325 and Migo-R. The LCDC driver does
not require interrupts at this point, but changes such as one-shot SYS
mode using deferred io, and wait-for-vblank will both need this.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Split pages returned by dma_alloc_coherent() and make sure
we free them one by one.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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There are no more users for this code, and it has been deprecated for
some time, so just kill it off.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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We don't really want this enabled by default, but it is still quite
useful for debugging. So, make it conditional and leave it off by
default.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This enables the same functionality that sh64 has for sh32. When running
on simulated hardware or via remote memory via the debug interface,
memory is gauranteed to be zero on boot already, and skipping the zeroing
of BSS has measurable boot time benefits.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The sh cpufreq driver is no longer limited to just the SH-3 and SH-4,
update the documentation to reflect this fact accordingly.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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While no one should be including this file multiple times, flag it
inline anyways just in case.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Now that the rest of the boards that were using cf-enabler "generically"
have switched to setting up their mappings on their own, only the mach-se
boards were left using it. All of the cf-enabler using mach-se boards
use a special initialization of the MRSHPC windows rather than going
through the special PTE as other SH-4 platforms do. This consolidates
the MRSHPC setup logic, hooks it up on the boards that care, and gets rid
of any and all remaining references to cf-enabler.
This has been long overdue, as cf-enabler has been the bane of
arch/sh/kernel for the last 7 years. Good riddance.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This makes the microdev code a bit more readable, and moves the
setup for the SuperIO out on its own.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This also fixes up a long-standing bug for this platform where the PIO
base was set to a register offset, rather than the actual PIO offset
itself.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This gets rid of the cf enabler use on mach-sh03 and switches to use
pata_platform with the proper address directly. cf_enabler is
subsequently disabled for mach-sh03.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Drop the special mv_ioport_map() implementation, as this can simply use
__set_io_port_base() directly.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This can use the same implementation as sh64, the generated assembly is
the same between the new and old version, so there is not much point in
leaving it open coded in inline assembly.
This is preparatory work for future consolidation of the _32/_64
variants.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Nothing is using this any more, so get rid of it before anyone gets the
bright idea to start using it again.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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These can use the generic code instead.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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With the reworked kgdb support, we always detach and reinitialize the
stub. This was mostly a feature for handoffs between sh-ipl+g and the
kgdb stub, but virtually no sh-ipl+g versions ever had this working
right in the first place.
Given that the sh-ipl+g stubs in general use today don't even support
the GDB stub, and we have already killed off the special casing in the
sh-sci serial driver, kill off this now unused symbol too.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch improves the oprofile support on sh and adds backtrace
support.
Signed-off-by: Dave Peverley <dpeverley@mpc-data.co.uk>
Signed-off-by: Chris Smith <chris.smith@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This re-implements the old op_model_null code in to something more
generic, where multiple drivers, backtrace, etc. can all be interfaced.
Based largely on arch/mips/oprofile/common.c.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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After the recent changes to switch SuperH board support over to irq_chip
it is now possible to set GENERIC_HARDIRQS_NO__DO_IRQ for all SuperH
boards.
Signed-off-by: Matt Fleming <mjf@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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I've been unable to even compile-test this change because I don't have
an sh5 toolchain. All uses of hw_interrupt_type for SuperH boards have
now been converted to use irq_chip.
Signed-off-by: Matt Fleming <mjf@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Switch the dreamcast IRQ code over to the irq_chip way of doing things,
so that we can set GENERIC_HARDIRQS_NO__DO_IRQ for all SuperH boards.
Also, whilst I'm here change some things to make checkpatch.pl happy:
- Indent with tabs, not with spaces
- Include <linux/io.h>, not <asm/io.h>
- Fix the multi-line comment style
- Fix some typos in the comments
Tested-by: Adrian McMenamin <adrian@newgolddream.dyndns.info>
Signed-off-by: Matt Fleming <mjf@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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... as part of the hw_interrupt_type to irq_chip crusade.
Signed-off-by: Matt Fleming <mjf@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This is part of the SH move to irq_chip.
Signed-off-by: Matt Fleming <mjf@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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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>
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Adopted from the uClibc optimized string versions.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Now that we use the generic stub, kill off all of the left over
references.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This migrates from the old bitrotted kgdb stub implementation and moves
to the generic stub. In the process support for SH-2/SH-2A is also added,
which the old stub never provided.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Plugs in general and FPU regsets.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This provides the asm/syscall.h implementation for sh64 parts.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Presently these cases are not handled properly due to the return value
not being passed back. This needs to be correct to get proper behaviour
out of things like the tracehook signal notifier, amongst others.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Residual copy-and-paste damage, fix it up.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This ought to be unsigned long, rather than defaulting to int.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This converts the sh64 /proc/asids entry to debugfs and enables it for
all SH parts that have debugfs enabled.
On MMU systems this can be used to determine which processes are using
which ASIDs which in turn can be used for finer grained cache tag
analysis.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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These were left over from some time ago, sh64 never got around to
defining __HAVE_ARCH_TASK_STRUCT_ALLOCATOR during the conversion, and it
has no need to. Kill these off and use the generic versions instead.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This kills off the special Migo-R machvec, as nothing is using it. By
default this will switch to using the generic machvec, which provides the
same functionality. This saves us a bit of space in the machvec section.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Add reset delay for the ov772x device on Migo-R.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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QEMU can now use rts7751r2dplus_defconfig directly, there is no more need
for a neutered defconfig.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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