Define preprocessor symbols (__HAVE_OPENFIRMWARE_VARIANT_AAPL and
__HAVE_OPENFIRMWARE_VARIANT_SUNW) that lets generic OpenFirmware
code deal with differences / quirks among implementation variants.

Enable new-style <sys/bus.h> on several PowerPC ports supporting PCI
buses. Make non-inline implementations of bus_space(9) and bus_dma(9)
routines and move them to appropriate .c files.

This may l

Enable new-style <sys/bus.h> on several PowerPC ports supporting PCI
buses. Make non-inline implementations of bus_space(9) and bus_dma(9)
routines and move them to appropriate .c files.

This may leave amigappc in a bad state, sorry. Fortunately, it will be
easy to repair by imitating the bus.h -> bus_{defs,funcs}.h split in
some other PowerPC port.

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Now that __HAVE_TIMECOUNTER and __HAVE_GENERIC_TODR are invariants,
remove the conditionals and the code associated with the undef case.

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 v

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.

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Generic soft interrupts are mandatory.

add timecounter support, mostly from prep.

Convert macppc to generic todr. ok macallan@.

merge ktrace-lwp.

Enable generic software interrupts on macppc.

Use "#define<tab>".

Remove __BROKEN_DK_ESTABLISH.

Nuke dk_establish() from orbit except from those ports which still use
it to determine the boot device: mvme68k, pc532, macppc, ofppc. Those
platforms should be changed to use device_register(). In

Nuke dk_establish() from orbit except from those ports which still use
it to determine the boot device: mvme68k, pc532, macppc, ofppc. Those
platforms should be changed to use device_register(). In the mean time,
those ports defined __BROKEN_DK_ESTABLISH.

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Use device_register to find the boot device more reliably. Should now work
on anything it's possible to boot from that we have a driver for.

Use arch/powerpc/.

Initial import of macppc port.