14 Feb, 2008
2 commits
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This patch is a fix to make sure readsN/writesN are used over insN/outsN for
ioreadN_rep/iowriteN_rep.The current state of the sh io code is that mmio operations like readN/writeN
and ioreadN/iowriteN are unaffected by the value of generic_io_base. This is
different fom port based io like inN/outN which gets adjusted using the value
in generic_io_base.Without this patch ioreadN_rep/iowriteN_rep get their addresses adjusted.
The address for mmio access is adjusted using generic_io_base. This is wrong.
The ata core code currently crashes if generic_io_base is set.This patch changes ioreadN_rep/iowriteN_rep to follow the same rules as the
rest of the mmio operations, ie don't adjust using generic_io_base.Signed-off-by: Magnus Damm
Acked-by: Katsuya MATSUBARA
Signed-off-by: Paul Mundt -
The idea is that we want to get rid of the in/out/readb/writeb callbacks from
the machvec and replace that with simple inline read and write operations to
memory. Fast and simple for most hardware devices (think pci).Some devices require special treatment though - like 16-bit only CF devices -
so we need to have some method to hook in callbacks.This patch makes it possible to add a per-device trap generating filter. This
way we can get maximum performance of sane hardware - which doesn't need this
filter - and crappy hardware works but gets punished by a performance hit.V2 changes things around a bit and replaces io access callbacks with a
simple minimum_bus_width value. In the future we can add stride as well.Signed-off-by: Magnus Damm
Signed-off-by: Paul Mundt
28 Jan, 2008
4 commits
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Signed-off-by: Stuart Menefy
Signed-off-by: Paul Mundt -
Signed-off-by: Paul Mundt
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Signed-off-by: Paul Mundt
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Signed-off-by: Paul Mundt
17 Oct, 2007
1 commit
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dma_cache_(wback|inv|wback_inv) were the earliest attempt on a generalized
cache managment API for I/O purposes. Originally it was basically the raw
MIPS low level cache API exported to the entire world. The API has
suffered from a lack of documentation, was not very widely used unlike it's
more modern brothers and can easily be replaced by dma_cache_sync. So
remove it rsp. turn the surviving bits back into an arch private API, as
discussed on linux-arch.Signed-off-by: Ralf Baechle
Acked-by: Paul Mundt
Acked-by: Paul Mackerras
Acked-by: David S. Miller
Acked-by: Kyle McMartin
Acked-by: Haavard Skinnemoen
Cc:
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
21 Sep, 2007
1 commit
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This patch adds inline versions of writesb(), readsb(), writesw() and
readsw() to include/asm-sh/io.h. Stolen from include/asm-avr32/io.h.These functions are needed to compile certain device drivers such as
ax88796.Signed-off-by: Magnus Damm
Signed-off-by: Paul Mundt
26 Jul, 2007
1 commit
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Wire up ARCH_NO_VIRT_TO_BUS, and kill off the remaining users. The
dma-mapping code really wanted virt_to_phys()/phys_to_virt() anyways,
there are no inherently special bus addresses.Signed-off-by: Paul Mundt
31 May, 2007
1 commit
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Several errors were spotted during building for custom config (SMP
included). Although SMP still does not compile (no ipi and
__smp_call_function) and does not work, this looks a bit cleaner.
Some other errors obtained via gcc-4.1.0 build.Signed-off-by: Evgeniy Polyakov
Signed-off-by: Paul Mundt
12 Oct, 2006
1 commit
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There's nothing arch-specific about check_signature(), so move it to
. Use a cross between the Alpha and i386 implementations as
the generic one.Signed-off-by: Matthew Wilcox
Acked-by: Alan Cox
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
27 Sep, 2006
3 commits
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Implement optimized copies of readsl()/writesl().
Signed-off-by: Paul Mundt
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A few more outstanding nommu fixups..
Signed-off-by: Yoshinori Sato
Signed-off-by: Paul Mundt -
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
26 Apr, 2006
1 commit
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Signed-off-by: David Woodhouse
24 Mar, 2006
1 commit
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unused isa_...() helpers removed.
Adrian Bunk:
The asm-sh part was rediffed due to unrelated changes.Signed-off-by: Al Viro
Signed-off-by: Adrian Bunk
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
17 Jan, 2006
1 commit
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This introduces a few changes in the way that the I/O routines are defined on
SH, specifically so that things like the iomap API properly wrap through the
machvec for board-specific quirks.In addition to this, the old p3_ioremap() work is converted to a more generic
__ioremap() that will map through the PMB if it's available, or fall back on
page tables for everything else.An alpha-like IO_CONCAT is also added so we can start to clean up the
board-specific io.h mess, which will be handled in board update patches..Signed-off-by: Paul Mundt
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
17 Apr, 2005
1 commit
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.Let it rip!