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History log of /src/sys/arch/evbmips/malta/pci/pcib.c
RevisionDateAuthorComments
 1.26  19-Oct-2025  thorpej Use {,e}isabus_attach().
 1.25  08-Feb-2024  andvar s/sharable/shareable in comments and documentation.
 1.24  22-Jan-2022  skrll Ensure bus_dmatag_subregion is called with an inclusive max_addr
everywhere.
 1.23  22-Jan-2022  skrll Trailing whitespace
 1.22  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.21  24-Apr-2021  thorpej branches: 1.21.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).
 1.20  21-Nov-2020  thorpej branches: 1.20.2;
malloc(9) -> kmem(9)
 1.19  10-Nov-2019  chs branches: 1.19.8;
in many device attach paths, allocate memory with M_WAITOK instead of M_NOWAIT
and remove code to handle failures that can no longer happen.
 1.18  29-Mar-2014  christos branches: 1.18.30;
make pci_intr_string and eisa_intr_string take a buffer and a length
instead of relying in local static storage.
 1.17  26-Mar-2014  christos kill sprintf
 1.16  27-Oct-2012  chs branches: 1.16.2;
split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.15  01-Jul-2011  dyoung branches: 1.15.2; 1.15.12;
#include <sys/bus.h> instead of <machine/bus.h>.
 1.14  20-Feb-2011  matt Merge forward from matt-nb5-mips64.
 1.13  19-Aug-2009  dyoung branches: 1.13.4; 1.13.6; 1.13.8;
Define, and hook into the isa_chipset_tag_t, pcib_isa_detach_hook().
 1.12  12-May-2006  tsutsui branches: 1.12.66; 1.12.84;
According to the i8259 manual, EOI, R, and SL bits belong to OCW2 register
so rename them OCW3_* -> OCW2_*.
 1.11  11-Dec-2005  christos branches: 1.11.4; 1.11.6; 1.11.8; 1.11.12;
merge ktrace-lwp.
 1.10  30-Aug-2004  drochner branches: 1.10.12;
Phase out the use of a string as first "attach args" member to control
which bustype should be attached with a specific call to config_found()
(from a "mainbus" or a bus bridge).
Do it for isa/eisa/mca and pci/agp for now. These buses all attach to
an mi interface attribute "isabus", "eisabus" etc., and the autoconf
framework now allows to specify an interface attribute on config_found()
and config_search(), which limits the search of matching config data
to these which attach to that specific attribute.
So we basically have to call config_found_ia(..., "foobus", ...) where
such a bus is attached.
As a consequence, where a "mainbus" or alike also attaches other
devices (eg CPUs) which do not attach to a specific attribute yet,
we need at least pass an attribute name (different from "foobus") so
that the foo bus is not found at these places. This made some minor
changes necessary which are not obviously related to the mentioned buses.
 1.9  24-Apr-2004  kleink Update for new pci_devinfo(9) signature.
 1.8  15-Jul-2003  lukem __KERNEL_RCSID()
 1.7  01-Jan-2003  thorpej branches: 1.7.2;
Use aprint_normal() for cfprint routines.
 1.6  02-Oct-2002  thorpej Add trailing ; to CFATTACH_DECL
 1.5  01-Oct-2002  thorpej Use CFATTACH_DECL().
 1.4  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.3  27-Sep-2002  provos remove trailing \n in panic(). approved perry.
 1.2  18-Mar-2002  simonb branches: 1.2.8; 1.2.10;
Use <mips/isa_machdep.h> and <mips/pci_machdep.h>.
 1.1  07-Mar-2002  simonb A port to the MIPS Malta evaluation board. Currently supports the
MIPS32 4Kc CPU board, with support for the MIPS64 5Kc and the QED RM5261
CPU boards to follow.

The cs4281 audio hasn't been tested, there are some interrupt problems
with onboard the pciide, but all other on-board peripherals work.

The evbmips port will support more MIPS evaluation boards in the future.
 1.2.10.3  03-Jan-2003  thorpej Sync with HEAD.
 1.2.10.2  18-Oct-2002  nathanw Catch up to -current.
 1.2.10.1  18-Mar-2002  nathanw file pcib.c was added on branch nathanw_sa on 2002-10-18 02:36:39 +0000
 1.2.8.3  10-Oct-2002  jdolecek sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work
 1.2.8.2  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.2.8.1  18-Mar-2002  jdolecek file pcib.c was added on branch kqueue on 2002-06-23 17:36:01 +0000
 1.7.2.4  21-Sep-2004  skrll Fix the sync with head I botched.
 1.7.2.3  18-Sep-2004  skrll Sync with HEAD.
 1.7.2.2  03-Sep-2004  skrll Sync with HEAD
 1.7.2.1  03-Aug-2004  skrll Sync with HEAD
 1.10.12.1  21-Jun-2006  yamt sync with head.
 1.11.12.1  24-May-2006  tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
 1.11.8.1  24-May-2006  yamt sync with head.
 1.11.6.1  01-Jun-2006  kardel Sync with head.
 1.11.4.1  09-Sep-2006  rpaulo sync with head
 1.12.84.1  10-Jan-2010  matt Add generic support for DMA bounce buffers and real version of
bus_dmatag_subregion. MALTA uses it for ISADMA. Make RMIXL use
for creating 32bit and 29bit subregions.
 1.12.66.1  19-Aug-2009  yamt sync with head.
 1.13.8.1  05-Mar-2011  bouyer Sync with HEAD
 1.13.6.1  06-Jun-2011  jruoho Sync with HEAD.
 1.13.4.1  05-Mar-2011  rmind sync with head
 1.15.12.2  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.15.12.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.15.2.2  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.15.2.1  30-Oct-2012  yamt sync with head
 1.16.2.1  18-May-2014  rmind sync with head
 1.18.30.1  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.19.8.1  14-Dec-2020  thorpej Sync w/ HEAD.
 1.20.2.1  23-Mar-2021  thorpej Convert config_found_ia() call sites where the device only carries
a single interface attribute to bare config_found() calls.
 1.21.8.1  04-Aug-2021  thorpej Adapt to CFARGS().

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