arch/sh/drivers/pci/pci.c:167: error: assignment of read-only location '*res'
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

The synopsys PCI cell used in the later STMicro chips requires code to
be run in order to do IO cycles, rather than just memory mapping the IO
space. Rather than extending the existing SH infrastructure to allow
this, use the GENERIC_IOMAP implmentation to save re-inventing the
wheel.

This set of changes allows the SH to be built with GENERIC_IOMAP
enabled, it just ifdef's out the functions provided by the GENERIC_IOMAP
implementation, and provides a few required missing functions.
Signed-off-by: NDavid McKay <david.mckay@st.com>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Some host controllers (such as SH7786) have overlapping regions that are
fixed in hardware. The resource allocator does the right thing in
managing this space already, so the conflict case is non-fatal.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

pci-new.c is now in a state to replace the old pci.c, rename it
accordingly.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Now that the pci-auto cruft is gone, pci-lib can go away.
Roll it back in to pci-new.c where it originally split off from.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This moves the remaining common bits in to pci-lib. Thereby reducing
pci.c/pci-new.c to simple bus fixups and controller registration.

As more platforms are moved over, the old code will disappear completely
and the pci-new bits will be rolled in to pci-lib, eventually replacing
pci.c completely.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Now that the io and mem offsets are tracked accordingly, the pci-new
version of the bus<->resource mappers can be used generically. This
moves them in to pci-lib.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This implements a per-hose offset for I/O and mem resources.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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

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

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

This splits off a 'pci-new.c' which is aimed at gradually replacing the
pci-auto backend and the arch/sh/drivers/pci/pci.c core respectively.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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

Instead of sometimes exporting board_pci_channels[] in the board specific
code just export it in one place.
Signed-off-by: NMagnus Damm <damm@igel.co.jp>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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: NMagnus Damm <damm@igel.co.jp>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

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: NMagnus Damm <damm@igel.co.jp>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

This adds in the pci_bus_type for DMA API debug.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Use the generic pci_common_swizzle() instead of arch-specific code.

Note that pci_common_swizzle() loops based on dev->bus->self, not
dev->bus->parent as the sh simple_swizzle() did.  I think they
are equivalent for this purpose.
Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>

Use the generic pci_swizzle_interrupt_pin() instead of arch-specific code.
Acked-by: NPaul Mundt <lethal@linux-sh.org>
Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>

This patch makes the needlessly global pcibios_max_latency static.
Signed-off-by: NAdrian Bunk <bunk@kernel.org>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Russell King did the following back in 2003:

<--  snip  -->

    [PCI] pci-9: Kill per-architecture pcibios_update_resource()

    Kill pcibios_update_resource(), replacing it with pci_update_resource().
    pci_update_resource() uses pcibios_resource_to_bus() to convert a
    resource to a device BAR - the transformation should be exactly the
    same as the transformation used for the PCI bridges.

    pci_update_resource "knows" about 64-bit BARs, but doesn't attempt to
    set the high 32-bits to anything non-zero - currently no architecture
    attempts to do something different.  If anyone cares, please fix; I'm
    going to reflect current behaviour for the time being.

    Ivan pointed out the following architectures need to examine their
    pcibios_update_resource() implementation - they should make sure that
    this new implementation does the right thing.  #warning's have been
    added where appropriate.

        ia64
        mips
        mips64

    This cset also includes a fix for the problem reported by AKPM where
    64-bit arch compilers complain about the resource mask being placed
    in a u32.

<--  snip  -->

This patch removes the unused pcibios_update_resource() functions the
kernel gained since, from FRV, m68k, mips & sh architectures.
Signed-off-by: NAdrian Bunk <bunk@kernel.org>
Acked-by: NDavid Howells <dhowells@redhat.com>
Acked-by: NGreg Ungerer <gerg@uclinux.org>
Acked-by: NPaul Mundt <lethal@linux-sh.org>
Acked-by: NRalf Baechle <ralf@linux-mips.org>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>

Almost all implementations of pci_iomap() in the kernel, including the generic
lib/iomap.c one, copies the content of a struct resource into unsigned long's
which will break on 32 bits platforms with 64 bits resources.

This fixes all definitions of pci_iomap() to use resource_size_t.  I also
"fixed" the 64bits arch for consistency.
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

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

Flag pcibios_setup() and pcibios_fixup_bus() as __devinit.
Follows the sh64 change.
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>

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>

Add support for the titan board.
Signed-off-by: NJamie Lenehan <lenehan@twibble.org>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

Based on a patch series originally from Vivek Goyal <vgoyal@in.ibm.com>

Cc: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

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!