Clean up initialization of com_regs structure, in preparation for
some additional changers.

branches: 1.13.52; 1.13.54;
#include <sys/bus.h> instead of <machine/bus.h>.

Remove clause 3 and 4 from TNF licenses

branches: 1.11.2; 1.11.4;
Split device_t and softc for all com(4) devices (well, everything that
uses a com_softc backend). Use proper types and ansify where appropriate.

branches: 1.10.34; 1.10.54; 1.10.58;
Add an option COM_REGMAP to allow com(4) to use an array of register indices.
This allows us to convert aucom to just another com attachment, and cleanup
some code in the com_arbus.c.

Additionally, we use a common com_cleanup routine rather than having a
zillion copies of it in the attachment points.

This has been tested on a number architectures, and it has been shown to get
close to comparable performance when COM_REGMAP is defined, and comparable
when it is not defined.

Approved by core@. Fixes PR port-evbmips/32362.

branches: 1.9.4; 1.9.8; 1.9.16;
merge ktrace-lwp.

branches: 1.8.16;
__KERNEL_RCSID()

branches: 1.7.2;
Use aprint*().

Use indirect configuration for on-board devices (i.e. those things
attached to "obio") on the IQ80310 and IQ80321. It makes more sense
to do it this way for this type of system (the goal being to encapsulate
as much information about the board as possible into one file).

Use CFATTACH_DECL().

Declare all cfattach structures const.

Rather than referencing the cfdriver directly in the cfdata entries,
instead use a string naming the driver. The cfdriver is then looked
up in a list which is built at run-time.

branches: 1.2.6; 1.2.8;
Set COM_HW_NO_TXPRELOAD. The IQ80321's UART doesn't lose without
this, but it works fine with it, and this serves to broaden the
testing field of the flag.

Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

Change old-stlye-defintions to C89 prototypes.
Switch to CFATTACH_DECL_NEW/device_t/cfdata_t
Defer attaching interrupt evcnts.

Approved by releng.

branches: 1.17.2; 1.17.6;
#include <sys/bus.h> instead of <machine/bus.h>.

Add an offset to the I/O port translations. This allows IQ80321
and others to avoid providing PCI I/O space at address 0.
Iyonix, however, needs to provide PCI I/O space at 0.
The others require I/O space to be offset in part due to a bug
work-around in wm(4) which requires that I/O space access be used
to reset the controllers. If I/O space is mapped at zero, the card
claims, but ignores, the transactions, and the controller doesn't
get reset properly and can't then be used.

merge ktrace-lwp.

branches: 1.14.12;
s/the the/the/ (only in sources that aren't regularly imported from
elsewhere).

Small fixed to tense in comment.

Make PCI host/slave detection work for the iq31244 as well as the iq80321.

Don't assume that we are the PCI host. Actually check, and make sure that
we set things up so that we can run either as a PCI host or as a PCI slave
(working within the PCI BARs that the system BIOS has configured for us).

__KERNEL_RCSID()

branches: 1.9.2;
Use aprint*().

Go back to using BAR2 instead of BAR3 for inbound access to SDRAM.

Use iwin[3] instead of iwin[2] for RAM access and leave iwin[2] unused.

Fix script-o.

Use CFATTACH_DECL().

Declare all cfattach structures const.

remove trailing \n in panic(). approved perry.

Rather than referencing the cfdriver directly in the cfdata entries,
instead use a string naming the driver. The cfdriver is then looked
up in a list which is built at run-time.

branches: 1.1.6; 1.1.8;
Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

#include <sys/bus.h> instead of <machine/bus.h>.

Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.

merge ktrace-lwp.

branches: 1.4.16;
__KERNEL_RCSID()

branches: 1.3.2;
Move the 7-segment display definitions into the C file.

branches: 1.2.6; 1.2.8;
* Add the ability to display .'s on the 7seg display.
* Display . . when halted.

Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

Fix non-DIAGNOSTIC builds

Provide a shared pmap_devmap implementation and convert all pmap_devmap
arrays to use DEVMAP_ENTRY{,_END}

branches: 1.64.4;
fix multiplei repetitive typos in comments, messages and documentation. mainly because copy paste code big amount of files are affected.

PMAP_DEBUG has been deleted on arm

Trailing whitespace

branches: 1.61.8;
Consistently use vaddr_t as initarm and friends return type.

Makes no difference to binaries except for aarch64 where it's required

KNF

Fix a commit

Centralise defparam CONSADDR, CONSPEED, CONMODE and CONADDR into
opt_console.h and adjust.

branches: 1.57.14; 1.57.16;
fix printf format

switch all ports to use uvm_init.c:uvm_md_init()

uvm_setpagesize() is now subsumed within this funciton.

branches: 1.55.2; 1.55.4;
Replace more vm_offset_t, vm_size_t with vaddr_t, vsize_t
Use paddr_t for msgbufphys

<arm/locore.h> fallout (fixes some include ordering errors)

branches: 1.53.2;
Don't use an asm in pmap_activate to update the TTBR, use cpu_setttb instead
but add a second argument to it to indicate whether the TLB/caches need to be
flushed. Default cortex to pmap_needs_fixup = 1. But check the MMFR3 field
to see if the fixed can be skipped.
Use a cf_flag bit 0 to indicate whether the A9 L2 cache should disable (bit 0 = 1)
or enabeld (bit = 0).

With these changes, the A9 MMU can use traverse caches to do MMU tablewalks
Also, make sure all memory has the shareable bit for the A9.

branches: 1.52.2;
Move the standard definitions of the {UND,IRQ,FIQ,ABT}_STACK_SIZE to
<arm32/machdep.h>
Move the extern for cpu_reset_address to the same file.
Add cpu_reset_address_paddr.
Kill cpu_reset_v4_MMU_disable.
if cpu_reset_address is NULL, then the MMU will be disabled.

Fix more -fno-common fallout.
Move more variables to common locations.

branches: 1.50.2;
#include <sys/bus.h> instead of <machine/bus.h>.

dependant -> dependent

Use cpu_* prefix to call cpu_* functions (setttb() -> cpu_setttb()); no
functional changes.

Garbage collect an unused global, vm_offset_t pagetables_start.

- Use uvm_lwp_setuarea() instead of directly setting address to lwp_t::l_addr.
- Replace most remaining uses of l_addr with uvm_lwp_getuarea() or lwp_getpcb().
- Amend assembly in ports where it accesses PCB via struct user.
- Rename L_ADDR to L_PCB in few places. Reduce sys/user.h inclusions.

Kill proc0paddr. Use lwp0.l_addr instead.

Remove all declarations of physmem from sys/arch. Add an include of
<sys/systm.h> to the one file that did not already contain it.
This now means that physmem can be changed by updating systm.h and uvm_page.c
(excluding fixing printfs)

Allow IQ80321-derived systems to provide an m.d. reboot routine.
Use this on the IQ31244 to force a watchdog reset from the M41ST84
if it's been attached. The generic reset doesn't fully reset the
system whereas the RTC watchdog reset does.

As discussed on tech-kern: mutex_init is too heavyweight for early bootstrap
phases, so move the initialization of the ksyms mutex back into main via
a function called ksyms_init. Rename the existing (but quite different)
ksyms_init* variations into ksyms_addsyms_elf() and ksyms_addsyms_explicit()
and adapt machdep code accordingly.

Remove LKMs and switch to the module framework, pass 1.

Proposed on tech-kern@.

It is not appropriate to call pmf_system_shutdown(9) from
doshutdownhooks(9): shutdown hooks registered by shutdownhook_establish(9)
expect to be called with interrupts disabled, but shutdown hooks
registered with pmf_device_register1(9) expect to be called with
interrupts enabled. So I have made two changes:

1 Do not call pmf_system_shutdown() from doshutdownhooks(). Instead,
change every call to doshutdownhooks() to a call to doshutdownhooks()
followed by a call to pmf_system_shutdown(). No functional change
is intended by this change.

2 Make i386 re-enable interrupts briefly while it calls
pmf_system_shutdown(). I leave it to others either to fix the
other ports, or to factor out some MI shutdown code, as joerg@
suggests, and fix that. Note that a functional change *is* intended
by this change.

I hope that this patch will stop us from flip-flopping between
calling doshutdownhooks() and pmf_system_shutdown() sometimes with
and sometimes without interrupts enabled.

branches: 1.39.6; 1.39.8;
Merge kernel changes in matt-armv6 to HEAD.

branches: 1.38.6; 1.38.8; 1.38.10;
Remove arm support for IPKDB.

It hasn't worked since arm was broken out from arm32 in Jan 2001, and
no-one has noticed or cared to fix it.

branches: 1.37.24; 1.37.28; 1.37.34; 1.37.42;
s/independant/independent/, from Zafer.

branches: 1.36.8; 1.36.10;
in initarm(), initialise kernel_l1pt.pv_va as well as kernel_l1pt.pv_pa.

branches: 1.35.4; 1.35.6; 1.35.8; 1.35.12;
Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.

merge ktrace-lwp.

branches: 1.33.10;
Fix comments regarding configration bounaries

Fix comments slighly

Uppercase CPU, plural is CPUs.

__KERNEL_RCSID()

branches: 1.29.2;
Use the new pmap_devmap facility in the on-board device mapping code.

Replace the ad-hoc "section mapping table" for static device mappings
with a more generic "devmap" structure that can also handle mappings
made with large and small pages. Add new pmap routines to enter these
mappings during bootstrap (and "remember" the devmap), and routines to
look up the static mappings once the kernel is running.

Also pass a type argument to comcnattach() and com_kgdb_attach().
comspeed() (and thus cominit()) may need this information.

Move KERNEL_VM_SIZE into the C files where its used.

Move KERNEL_VM_BASE inside where it is used (it won't be there for long).

Decrease the verbosity level unless VERBOSE_INIT_ARM is defiend.

Don't expose KERNEL_TEXT_BASE outside of board-specific code. This gives
individual board start-up code more flexibility about where the kernel
starts in the kernel address space.

Reduce differences between ARM32_NEW_VM_LAYOUT and not; always pass
the start and end of the kernel managed virtual address space to
pmap_bootstrap() in the new pmap.

Remove old pmap support for platforms which have fully switched over.

Eliminate PTE_BASE and the PT-PT completely in the ARM32_PMAP_NEW case.
Also in the ARM32_PMAP_NEW case, reclaim the USPACE-bytes of wasted space
at the top of the user address that hasn't been needed for a very very
long time.

Bump kernel PTs to 4 (the max we can really have with the old VM
layout) to accomodate large ramdisks. Set boothowto if BOOTHOWTO
is defined.

Attach com to kgdb if both KGDB and com are defined.

Call ksyms_init() instead of ddb_init() in case of
NKSYMS || defined(DDB) || defined(LKM)

Use high vectors on IQ80321 and IQ80310.

Don't use ARM32_NEW_VM_LAYOUT or initarm_common() for now. It's not
quite ready for prime-time on evbarm.

Add support for ARM32_PMAP_NEW and ARM32_NEW_VM_LAYOUT to the iq80321 port.

Use PAGE_SIZE rather than NBPG.

remove trailing \n in panic(). approved perry.

Enable caching on kernel and user page tables. This saves having
to do uncached memory access during VM operations (which can be
quite expensive on some CPUs).

We currently write-back PTEs as soon as they're modified; there is
some room for optimization (to write them back in larger chunks).
For PTEs in the APTE space (i.e. PTEs for pmaps that describe another
process's address space), PTEs must also be evicted from the cache
complete (PTEs in PTE space will be evicted durint a context switch).

Do cached memory access to L1 tables, making sure to write-back the
cache after any L1 table modifications.

Compile properly without DIAGNOSTIC defined.

branches: 1.8.2;
Move the calls to uvm_page_physload() out of pmap_bootstrap() and
into platform-specific initialization code, giving platform-specific
code control over which free list a given chunk of memory gets put
onto.

Changes are essentially mechanical. Test compiled for all ARM
platforms, test booted on Intel IQ80321 and Shark.

Discussed some time ago on port-arm.

Move the uvm_setpagesize() call to platform-dependent code in preparation
for other changes to pmap_bootstrap().

branches: 1.6.2; 1.6.4; 1.6.6;
* Add the ability to display .'s on the 7seg display.
* Display . . when halted.

* Move the code that cleans the XScale mini-data cache into its
own function.
* Add a new function which sets up the mini-data cache clean area
properly.

* Rewrite the 32-bit ARM pte.h based on the ARM architecture manual.
Significant cleanup, here, including better PTE bit names.
* Add XScale PTE extensions (ECC enable, write-allocate cache mode).
* Mechanical changes everywhere else to update for new pte.h. While
doing this, two bugs (as a result of typos) were fixed in

arm/arm32/bus_dma.c
evbarm/integrator/int_bus_dma.c

Clean up handling of the vector page on 32-bit ARM systems:
* Don't refer to VA 0, instead refer to a new variable: vector_page
* Delete the old zero_page_*() functions, replacing them with a new
one: vector_page_setprot().
* When manipulating vector page mappings in user pmaps, only do so if
the vector page is below KERNEL_BASE (if it's above KERNEL_BASE, the
vector page is mapped by the kernel pmap).
* Add a new function, arm32_vector_init(), which takes the virtual
address of the vector page (which MUST be valid when the function
is called) and a bitmask of vectors the kernel is going to take
over, and performs all vector page initialization, including setting
the V bit in the CPU Control register ("relocate vectors to high
address"), if necessary.

Fix resetting the board at reboot.

Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

Add intr_establish_xname support to arm and expose it to intrctl

branches: 1.9.28; 1.9.30;
make pci_intr_string and eisa_intr_string take a buffer and a length
instead of relying in local static storage.

<arm/locore.h> fallout (fixes some include ordering errors)

branches: 1.7.2; 1.7.12; 1.7.16;
#include <sys/bus.h> instead of <machine/bus.h>.

Neither pci_dma64_available(), pci_probe_device(), pci_mapreg_map(9),
pci_find_rom(), pci_intr_map(9), pci_enumerate_bus(), nor the match
predicate passed to pciide_compat_intr_establish() should ever modify
their pci_attach_args argument, so make their pci_attach_args arguments
const and deal with the fallout throughout the kernel.

For the most part, these changes add a 'const' where there was no
'const' before, however, some drivers and MD code used to modify
pci_attach_args. Now those drivers either copy their pci_attach_args
and modify the copy, or refrain from modifying pci_attach_args:

Xen: according to Manuel Bouyer, writing to pci_attach_args in
pci_intr_map() was a leftover from Xen 2. Probably a bug. I
stopped writing it. I have not tested this change.

siside(4): sis_hostbr_match() needlessly wrote to pci_attach_args.
Probably a bug. I use a temporary variable. I have not tested this
change.

slide(4): sl82c105_chip_map() overwrote the caller's pci_attach_args.
Probably a bug. Use a local pci_attach_args. I have not tested
this change.

viaide(4): via_sata_chip_map() and via_sata_chip_map_new() overwrote the
caller's pci_attach_args. Probably a bug. Make a local copy of the
caller's pci_attach_args and modify the copy. I have not tested
this change.

While I'm here, make pci_mapreg_submap() static.

With these changes in place, I have tested the compilation of these
kernels:

alpha GENERIC
amd64 GENERIC XEN3_DOM0
arc GENERIC
atari HADES MILAN-PCIIDE
bebox GENERIC
cats GENERIC
cobalt GENERIC
evbarm-eb NSLU2
evbarm-el ADI_BRH ARMADILLO9 CP3100 GEMINI GEMINI_MASTER GEMINI_SLAVE GUMSTIX
HDL_G IMX31LITE INTEGRATOR IQ31244 IQ80310 IQ80321 IXDP425 IXM1200
KUROBOX_PRO LUBBOCK MARVELL_NAS NAPPI SHEEVAPLUG SMDK2800 TEAMASA_NPWR
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
OPENBLOCKS266_OPT P2020RDB PMPPC RB800 WALNUT
hp700 GENERIC
i386 ALL XEN3_DOM0 XEN3_DOMU
ibmnws GENERIC
macppc GENERIC
mvmeppc GENERIC
netwinder GENERIC
ofppc GENERIC
prep GENERIC
sandpoint GENERIC
sgimips GENERIC32_IP2x
sparc GENERIC_SUN4U KRUPS
sparc64 GENERIC

As of Sun Apr 3 15:26:26 CDT 2011, I could not compile these kernels
with or without my patches in place:

### evbmips-el GDIUM

nbmake: nbmake: don't know how to make /home/dyoung/pristine-nbsd/src/sys/arch/mips/mips/softintr.c. Stop

### evbarm-el MPCSA_GENERIC
src/sys/arch/evbarm/conf/MPCSA_GENERIC:318: ds1672rtc*: unknown device `ds1672rtc'

### ia64 GENERIC

/tmp/genassym.28085/assym.c: In function 'f111':
/tmp/genassym.28085/assym.c:67: error: invalid application of 'sizeof' to incomplete type 'struct pcb'
/tmp/genassym.28085/assym.c:76: error: dereferencing pointer to incomplete type

### sgimips GENERIC32_IP3x

crmfb.o: In function `crmfb_attach':
crmfb.c:(.text+0x2304): undefined reference to `ddc_read_edid'
crmfb.c:(.text+0x2304): relocation truncated to fit: R_MIPS_26 against `ddc_read_edid'
crmfb.c:(.text+0x234c): undefined reference to `edid_parse'
crmfb.c:(.text+0x234c): relocation truncated to fit: R_MIPS_26 against `edid_parse'
crmfb.c:(.text+0x2354): undefined reference to `edid_print'
crmfb.c:(.text+0x2354): relocation truncated to fit: R_MIPS_26 against `edid_print'

branches: 1.5.100; 1.5.106;
merge ktrace-lwp.

__KERNEL_RCSID()

branches: 1.3.2;
Correct interrupt mapping when a device with a PCI-PCI bridge is
plugged into the PCI-X slot.

branches: 1.2.2;
Use more descriptive interrupt names.

branches: 1.1.2; 1.1.4; 1.1.6;
Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

Add RCSID when needed.
Don't include pmap.h or pte.h, include "assym.h" instead.
Use assym.h provided values.

branches: 1.4.134; 1.4.140; 1.4.142;
Continue the " - . - 8" purge. Specifically:

add rd, pc, #foo - . - 8 -> adr rd, foo
ldr rd, [pc, #foo - . - 8] -> ldr rd, foo

Also, when saving the return address for a function pointer call, use
"mov lr, pc" just before the call unless the return address is somewhere
other than just after the call site.

Finally, a few obvious little micro-optimisations like using LDR directly
rather than ADR followed by LDR, and loading directly into PC rather than
bouncing via R0.

branches: 1.3.6; 1.3.8;
Issue a CPWAIT sequence after enabling the MMU to make sure
it's really enabled.

* Rewrite the 32-bit ARM pte.h based on the ARM architecture manual.
Significant cleanup, here, including better PTE bit names.
* Add XScale PTE extensions (ECC enable, write-allocate cache mode).
* Mechanical changes everywhere else to update for new pte.h. While
doing this, two bugs (as a result of typos) were fixed in

arm/arm32/bus_dma.c
evbarm/integrator/int_bus_dma.c

Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the various ports to eliminate near-identical copies of files in
every tree. Additionally there is a new PIC system that unifies the
interface to interrupt code for all different OEA ppc arches. The work
for this branch was done by a variety of people, too long to list here.

TODO:
bebox still needs work to complete the transition to -renovation.
ofppc still needs a bunch of work, which I will be looking at.
ev64260 still needs to be renovated
amigappc was not attempted.

NOTES:
pmppc was removed as an arch, and moved to a evbppc target.

branches: 1.5.10;
Fix a tyop in a comment.

branches: 1.4.18; 1.4.60; 1.4.62; 1.4.68;
Move the 7-segment display definitions into the C file.

Don't use ARM32_NEW_VM_LAYOUT or initarm_common() for now. It's not
quite ready for prime-time on evbarm.

Add support for ARM32_PMAP_NEW and ARM32_NEW_VM_LAYOUT to the iq80321 port.

branches: 1.1.6; 1.1.8;
Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

branches: 1.1.6; 1.1.8;
Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

Merge thorpej-cfargs2.

branches: 1.17.8;
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?).

branches: 1.16.68;
#include <sys/bus.h> instead of <machine/bus.h>.

Some more device_t, cfdata_t, CFATTACH_DECL_NEW cleanup.

branches: 1.14.100; 1.14.110;
merge ktrace-lwp.

s/locdesc_t/int/g

branches: 1.12.2;
adaptions to config_search() change, and minor autoconf fixes, mostly from Havard Eidnes

__KERNEL_RCSID()

branches: 1.10.2;
Give every obio implementation a size and width locator.

Add an optional "width" locator to the obio bus, specifying the
bus width of the device.

Use aprint*().

Use aprint_normal() for cfprint routines.

Use indirect configuration for on-board devices (i.e. those things
attached to "obio") on the IQ80310 and IQ80321. It makes more sense
to do it this way for this type of system (the goal being to encapsulate
as much information about the board as possible into one file).

Use CFATTACH_DECL().

Declare all cfattach structures const.

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.

Rather than referencing the cfdriver directly in the cfdata entries,
instead use a string naming the driver. The cfdriver is then looked
up in a list which is built at run-time.

branches: 1.1.6; 1.1.8;
Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

Trailing whitespace.

use designated initializer to make adaptability and flexibility for changing struct bus_space.
no functional change.

branches: 1.12.28;
Don't manipulate the pte to get uncached memory, use PMAP_NOCACHE instead.
Convert footbring to kenter_pa/kremove

branches: 1.11.2; 1.11.12; 1.11.16;
#include <sys/bus.h> instead of <machine/bus.h>.

Add a flags argument to pmap_kenter_pa(9).
Patch showed on tech-kern@ http://mail-index.netbsd.org/tech-kern/2009/11/04/msg006434.html
No objections.

branches: 1.9.78;
bus_dmamem_map: honour BUS_DMA_NOWAIT. noted by Manuel Bouyer.
bus_space_map: always do NOWAIT allocation as it used to be before yamt-km.

we have too many copies!

branches: 1.8.2; 1.8.8;
merge yamt-km branch.
- don't use managed mappings/backing objects for wired memory allocations.
save some resources like pv_entry. also fix (most of) PR/27030.
- simplify kernel memory management API.
- simplify pmap bootstrap of some ports.
- some related cleanups.

Add bus-space write-multi-2 and read-multi-2 methods.

branches: 1.6.8; 1.6.10;
__KERNEL_RCSID()

branches: 1.5.2;
Use the new pmap_devmap facility in the on-board device mapping code.

Enable a few more bus_space functions.
If a region is outside the regular obio space in obio_bs_map(), create
mappings for it.

remove trailing \n in panic(). approved perry.

branches: 1.2.6; 1.2.8;
Use the bus_space_generic bus space ops.

Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

Use the bus_space_generic bus space ops.

Support for the Intel IQ80321 eval board for the i80321 I/O Processor.

Give every obio implementation a size and width locator.

Add an optional "width" locator to the obio bus, specifying the
bus width of the device.

Use indirect configuration for on-board devices (i.e. those things
attached to "obio") on the IQ80310 and IQ80321. It makes more sense
to do it this way for this type of system (the goal being to encapsulate
as much information about the board as possible into one file).

branches: 1.1.6; 1.1.8;
Support for the Intel IQ80321 eval board for the i80321 I/O Processor.