| Commit message (Collapse) | Author | Age |
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Previously these IDs were only used by one driver, so there was not much
need for having them generically defined. Now that this will no longer
hold true, move them over.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The spec suggests waiting up to 500ms for the PHY to settle before
testing link state, but practice shows that 100ms is sufficient (this is
the delay value we also use on the other SH-4A PCI controllers, too).
This makes device detection much more reliable, although in the future it
should be a bit faster to simply serialize with a TLP IRQ.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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After configuration accesses have been completed deassert the
configuration access enable cleanly.
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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The only BKL user in arch/sh protects a single bit,
so we can trivially replace it with test_and_set_bit.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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According to Morimoto-san, this is no longer needed. Revert it.
This reverts commit e0009b0a44f28227571d8cddebc5ccdae86027a6.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Now that the rest of the socket calls are provided through their own
paths, do the same for sys_recvmmsg. It's unlikely we'll ever be able to
kill off the socketcall path, but this at least permits userspace to
gradually begin migrating.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Linux kernel already has socket syscalls that can be invoked
without the multiplexing sys_socketcall wrapper.
C library wrappers are ready to use them directly. It needs just
to define the missing syscall numbers and provide the related entries
into the syscalls table, like sh64 aleady does.
Signed-off-by: Francesco Rundo <francesco.rundo@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch modify x_plate_ohms to correct value for tsc2007 panel,
and removed un-necessary ts_get_pendown_state()
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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As the help for the config option suggests, this option really shouldn't
be set by default for any recent distribution as it changes the layout
of sysfs. I spotted this while running debian when udev got very
confused by the sysfs layout and failed to create some device nodes.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Now that the resource assignment issues are resolved, we can finally wire
up the small third memory window -- in the future we may reclaim this for
MSI.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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An IORESOURCE_IO was missing here, which meant that we weren't properly
establishing the I/O window for this particular slot. With this
corrected, cards with I/O BARs have them actually assigned and
accessible.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Certain memory windows are only available for 32-bit space, so skip over
these in 29-bit mode. This will severely restrict the amount of memory
that can be mapped, but since a boot loader bug makes booting in 29-bit
mode close to impossible anyways, everything is ok.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This bumps up the low address to match the physical memory windows for
SHway<->PCIe transfers. The previous implementation was banking on a 1:1
virt<->phys SHway mapping, which doesn't apply here.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This attempts a more complete port reset, building on top of the existing
approach.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/sh/kernel/process_32.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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SH7786 PCIe has 1 slot per port, but no specific restriction on function.
Relax the devfn restriction and look to the slot number instead when
configured as a root complex.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This brings the clocking and register setting in line with the somewhat
factually ambiguous specification.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This enables support for type 1 config space accesses on the SH7786
PCI controller. At the same time, add in some extra sanity checks for
controller asserted errors.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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These were newly added while the defconfig reduction work was ongoing,
strip them down now.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This fixes up the nommu build with a stub definition for
__flush_tlb_global(), now used by the reboot code.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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sys_execve() now takes a const pointer, so reflect this change where the
syscall is actually defined, too. Fixes up a build error due to prototype
mismatch.
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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When executing:
make ARCH=sh defconfig
kconfig segfaulted.
kconfig should obviously not segfault.
But this indicated a problem in the sh files which was
tracked down to a recursive dependency.
We select HAVE_HW_BREAKPOINT and in the following line
we use the same symbol in an expression.
Drop the conditional as it is of no use.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/sh/include/asm/Kbuild
drivers/Makefile
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This follows the x86 change off of memset() and on to an unconditional
__GFP_ZERO for wrapping in to optimized page clearing by way of
clear_highpage().
Signed-off-by: Andrew Murray <amurray@mpc-data.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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create_proc_read_entry() may fail, if so return -ENOMEM.
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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This adds preliminary support for the sh7757lcr board.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Because the value of CONFIG_SERIAL_SH_SCI_NR_UARTS is 3.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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All 1st cut silicon in the wild has been replaced by the 2nd cut, so it's
safe to replace all of the 1st cut references and support.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Newer parts need NR_IRQS > 256, so simply bump this up to 512 across the
board. At this point sparseirq is used unconditionally across all CPUs,
so this introduces minimal overhead.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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When CONFIG_PMB enable, ITLB is not cleared by reset of watchdog timer.
This should use trigger_address_error().
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This provides a sledgehammer approach for clearing the TLBs, only to be
used in cases where we know we will never want to use the mappings again
and have no interest in preserving state. This also destroys wired
entries.
The primary use for this is when we are either entering or exiting the
kernel completely, in the latter case as a precursor for CPU reset by
MMU.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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master.kernel.org:/pub/scm/linux/kernel/git/mfleming/sh-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/mfleming/sh-2.6:
sh: Fix typos in PCI initialization message
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This typo seems to have been copy and pasted in the PCI initialization
code. Replace 'intialization' with 'initialization'.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
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page_table_range_init() presently allocates a PUD page for the 3-level
page table case on X2 TLB configurations on each successive call. This
results in the previous PUD page being trampled when PMDs with an
overlapping PUD are initialized. This case was triggered by putting
persistent kmaps immediately below the fixmap range for highmem.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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There was an off-by-1 in the begin/end of the ioremap fixmaps, leaving us
with a spurious entry. In practice this wasn't a problem since we aligned
on a PMD boundary anyways, but this makes it consistent with the
intention and the other fixmaps.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch series adds support for ITO Co., Ltd.'s SH-2007 reference
platform (A PC-104 based SH7780 platform).
This is a direct port of the out-of-tree board support from the vendor's
kernel, originally located at:
http://ms-n.org/sh-linux/kernel/
More information on the board and the vendor can be obtained from the
vendor's site at:
http://www.itonet.co.jp/
Presently supported peripherals are CF and ethernet, with support for
the on-board IDE still pending further testing.
Reviewed-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Reviewed-by: Magnus Damm <magnus.damm@gmail.com>
Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Now that the FDPIC relocations have been given fixed numbers upstream,
switch to using those. The previous values only applied to experimental
toolchains that never made it in to the wild, so the impact remains
minimal.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Presently kprobes support relies on several saved opcode variables for
saving and restoring state, without any specific locking. This is
inherently racy on SMP, and given that we already use per-CPU variables
for everything else, convert these over too.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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asm/ptrace.h is getting a bit messy, with the _32/_64-specific changes
being fairly insular. This splits out the header accordingly.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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