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This was #define'd as 0 on all platforms, so let's get rid of it.
This change makes pci_scan_slot() slightly easier to read.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Tony Luck <tony.luck@intel.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Acked-by: Russell King <linux@arm.linux.org.uk>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This function was only used by pci_claim_resource(), and the last commit
deleted that use.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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None of the SH PCI controllers support MWI, it is always treated as a
direct memory write, so simply disable it outright. In the case of the
PCI cache line size, consult that for the pci_dma_burst_advice()
strategy, and switch over to PCI_DMA_BURST_MULTIPLE, as PPC64.
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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Nothing is using this any more, so kill it off.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This implements a per-hose offset for I/O and mem resources.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This moves off of the board_pci_channels[] approach for bus registration
and over to a cleaner register_pci_controller(), all derived from the
MIPS code.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Not all PCI channels have non-translatable memory windows, this is a
special property of the on-chip PCIC with its 0xfd00... mapping, handle
this explicitly.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This consolidates the pci_iomap() definitions and reworks how the I/O
port base is handled. PCI channels can register their own I/O map base,
or if none is provided, the system-wide generic I/O base is used instead.
Functionally nothing changes, while this allows us to kill off lots of
I/O address special casing and lookups.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This is left over cruft that hasn't been used by anything in a long time,
kill off bits that weren't purged previously.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This introduces a saner pcibios_align_resource() that can be used
regardless of whether pci-auto or pci-new are being used, and
consolidates it in pci-lib.c.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Derived from the MIPS version, now uses pgprot_noncached().
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The new PCI code wants its own bus<->resource mappings instead of the
generic equivalents, so drop the asm-generic include in preparation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Adds a __get_pci_io_base() function which is used to match a port range
against struct pci_channel. This allows us to detect if a port range is
assigned to pci or happens to be legacy port io. While at it, remove unused
cpu-specific cruft.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch changes the code to use __is_pci_memory() instead of
is_pci_memaddr(). __is_pci_memory() loops through all the pci
channels on the system to match memory windows.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Store the io window base address in struct pci_channel and use that one
instead of SH77xx_PCI_IO_BASE.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Store the base address of the pci host controller registers in struct
pci_channel and use the address in pci_read_reg() and pci_write_reg().
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Store a struct pci_channel pointer in bus->sysdata. This makes whatever
struct pci_channel assigned to a bus available for sh4_pci_read() and
sh4_pci_write(). We also modify PCIBIOS_MIN_IO and PCIBIOS_MIN_MEM to
use bus->sysdata - this to gives us support for multiple pci channels.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch adds an init callback to struct pci_channel and makes sure
it is initialized properly. Code is added to call this init function
from pcibios_init(). Return values are adjusted and a warning is is
printed if init fails.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac.
Most of the moving about was done with Sam's directions at:
http://marc.info/?l=linux-sh&m=121724823706062&w=2
with subsequent hacking and fixups entirely my fault.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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