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History log of /src/sys/dev/ic/cpc700.c
RevisionDateAuthorComments
 1.24  25-Sep-2022  thorpej Remove unnecessary include of <sys/malloc.h>.
 1.23  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.22  24-Apr-2021  thorpej branches: 1.22.8;
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?).
 1.21  07-Jul-2020  thorpej branches: 1.21.4;
Overhaul the interface to pci_configure_bus():
- Don't expose how PCI bus configuration resource management is implemented.
Provide a new resource provider API:

==> pciconf_resource_init() -- Initialize a PCI configuration resources
container.
==> pciconf_resource_add() -- Add a PCI configuration resource to the
container (I/O, MEM, or prefetchable MEM). Multiple resources of
each type may be added.
==> pciconf_resource_fini() -- Tear down the PCI configurtation resources
container once the bus has been configured.

This is much easier to use than the previous method of providing an
extent map for each kind of resource, and works better for e.g. ACPI
platforms that provide potentially multiple PCI resources in tables
provided by firmware.

- Re-implement PCI configuration resource management using vmem arenas,
rather than extent maps.
 1.20  14-Jun-2020  chs replace EX_NOWAIT with EX_WAITOK in device attach methods.
remove checks for failures that can no longer occur.
 1.19  27-Jan-2012  para converting extent(9) from malloc(9) to kmem(9)
preceding kmem-vmem-pool-uvm patch

releng@ acknowledged
 1.18  17-May-2011  dyoung branches: 1.18.4; 1.18.8;
PCI_FLAGS_IO_ENABLED and PCI_FLAGS_MEM_ENABLED changed their functional
role in NetBSD (drivers are no longer supposed to write these to
pa_flags) without changing name. Correct that.

Rename PCI_FLAGS_IO_ENABLED to PCI_FLAGS_IO_OKAY and
PCI_FLAGS_MEM_ENABLED to PCI_FLAGS_MEM_OKAY, thus making their names
consistent with the other PCI flags and poisoning 3rd-party driver
sources that use the flags in the old bad way.

This patch produces no binary changes in this set of PCI kernels when
they are compiled w/o 'options DIAGNOSTIC' and w/ -V MKREPRO=yes:

algor P4032 P5064 P6032
alpha GENERIC
amd64 GENERIC XEN3_DOM0
arc GENERIC
atari HADES MILAN-PCIIDE
bebox GENERIC
cats GENERIC
cobalt GENERIC
evbarm-el ADI_BRH ARMADILLO9 CP3100 GEMINI GEMINI_MASTER GEMINI_SLAVE
evbarm-el GUMSTIX HDL_G IMX31LITE INTEGRATOR IQ31244 IQ80310 IQ80321
evbarm-el IXDP425 IXM1200 KUROBOX_PRO
evbarm-el LUBBOCK MARVELL_NAS NAPPI NSLU2 SHEEVAPLUG SMDK2800 TEAMASA_NPWR
evbarm-el TEAMASA_NPWR_FC TS7200 TWINTAIL ZAO425
evbmips-el AP30 DBAU1500 DBAU1550 MALTA MERAKI MTX-1 OMSAL400 RB153 WGT624V3
evbmips64-el XLSATX
evbppc EV64260 MPC8536DS MPC8548CDS OPENBLOCKS200 OPENBLOCKS266
evbppc OPENBLOCKS266_OPT P2020RDB PMPPC RB800 WALNUT
hp700 GENERIC
i386 ALL XEN3_DOM0 XEN3_DOMU
ibmnws GENERIC
iyonix GENERIC
landisk GENERIC
macppc GENERIC
mvmeppc GENERIC
netwinder GENERIC
ofppc GENERIC
prep GENERIC
sandpoint GENERIC
sbmips-el GENERIC
sgimips GENERIC32_IP2x GENERIC32_IP3x
sparc GENERIC_SUN4U KRUPS
sparc64 GENERIC
 1.17  10-Dec-2010  matt branches: 1.17.2;
When attaching a PCI bus, the pci chipset is not optional.
 1.16  12-May-2009  cegger branches: 1.16.4;
struct device * -> device_t, no functional changes intended.
 1.15  12-May-2009  cegger struct cfdata * -> cfdata_t, no functional changes intended.
 1.14  28-Apr-2008  martin branches: 1.14.14; 1.14.22;
Remove clause 3 and 4 from TNF licenses
 1.13  08-Apr-2008  cegger branches: 1.13.2; 1.13.4;
use aprint_*_dev and device_xname
 1.12  19-Oct-2007  ad branches: 1.12.16;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.11  11-Dec-2005  christos branches: 1.11.30; 1.11.44; 1.11.46; 1.11.50;
merge ktrace-lwp.
 1.10  26-Aug-2005  drochner s/locdesc_t/int/g
 1.9  27-Feb-2005  perry branches: 1.9.4;
nuke trailing whitespace
 1.8  30-Aug-2004  drochner branches: 1.8.4; 1.8.6;
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.
 1.7  07-Nov-2003  augustss Program some bridge options.
 1.6  14-Jul-2003  lukem add missing __KERNEL_RCSID()
 1.5  01-Jan-2003  thorpej branches: 1.5.2;
Use aprint_normal() in cfprint routines.
 1.4  27-Sep-2002  thorpej Introduce a new routine, config_match(), which invokes the
cfattach->ca_match function in behalf of the caller. Use it
rather than invoking cfattach->ca_match directly.
 1.3  30-Jul-2002  augustss Remove warning about PCI bus configuration being broken since it
works now.
 1.2  13-Jun-2002  augustss branches: 1.2.2; 1.2.4;
Use consistent naming.
 1.1  21-May-2002  augustss branches: 1.1.4;
Add a driver for the IBM CPC700 chip. This chip is a host bridge for
PowerPC and provides a PCI-host bridge, interrupt controller, two com ports,
two IIC ports, a timer, and a DRAM controller.
The driver supports PCI, interrupts and com ports.
 1.1.4.4  29-Aug-2002  gehenna catch up with -current.
 1.1.4.3  20-Jun-2002  gehenna catch up with -current.
 1.1.4.2  30-May-2002  gehenna Catch up with -current.
 1.1.4.1  21-May-2002  gehenna file cpc700.c was added on branch gehenna-devsw on 2002-05-30 14:45:32 +0000
 1.2.4.4  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
 1.2.4.3  06-Sep-2002  jdolecek sync kqueue branch with HEAD
 1.2.4.2  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.2.4.1  13-Jun-2002  jdolecek file cpc700.c was added on branch kqueue on 2002-06-23 17:46:17 +0000
 1.2.2.5  03-Jan-2003  thorpej Sync with HEAD.
 1.2.2.4  18-Oct-2002  nathanw Catch up to -current.
 1.2.2.3  01-Aug-2002  nathanw Catch up to -current.
 1.2.2.2  20-Jun-2002  nathanw Catch up to -current.
 1.2.2.1  13-Jun-2002  nathanw file cpc700.c was added on branch nathanw_sa on 2002-06-20 03:44:30 +0000
 1.5.2.6  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.5.2.5  04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.5.2.4  21-Sep-2004  skrll Fix the sync with head I botched.
 1.5.2.3  18-Sep-2004  skrll Sync with HEAD.
 1.5.2.2  03-Sep-2004  skrll Sync with HEAD
 1.5.2.1  03-Aug-2004  skrll Sync with HEAD
 1.8.6.1  19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.8.4.1  29-Apr-2005  kent sync with -current
 1.9.4.2  27-Oct-2007  yamt sync with head.
 1.9.4.1  21-Jun-2006  yamt sync with head.
 1.11.50.1  25-Oct-2007  bouyer Sync with HEAD.
 1.11.46.1  06-Nov-2007  matt sync with HEAD
 1.11.44.1  26-Oct-2007  joerg Sync with HEAD.

Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.
 1.11.30.1  23-Oct-2007  ad Sync with head.
 1.12.16.1  02-Jun-2008  mjf Sync with HEAD.
 1.13.4.2  16-May-2009  yamt sync with head
 1.13.4.1  16-May-2008  yamt sync with head.
 1.13.2.1  18-May-2008  yamt sync with head.
 1.14.22.1  07-Jan-2011  matt pci_chipset_tag_t can't be NULL.
 1.14.14.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.16.4.2  31-May-2011  rmind sync with head
 1.16.4.1  05-Mar-2011  rmind sync with head
 1.17.2.1  06-Jun-2011  jruoho Sync with HEAD.
 1.18.8.1  18-Feb-2012  mrg merge to -current.
 1.18.4.1  17-Apr-2012  yamt sync with head
 1.21.4.2  02-Apr-2021  thorpej config_found_ia() -> config_found() w/ CFARG_IATTR.
 1.21.4.1  22-Mar-2021  thorpej Mechanical conversion of config_found_sm_loc() -> config_found().
CFARG_IATTR usage needs to be audited.
 1.22.8.1  04-Aug-2021  thorpej Adapt to CFARGS().

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