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History log of /src/sys/arch/mvmeppc/include/isa_machdep.h
RevisionDateAuthorComments
 1.9  12-Dec-2021  andvar s/Miscellanous/Miscellaneous/ in copypasta comments.
 1.8  18-Oct-2016  jdolecek add isa_intr_establish_xname() to MD isa headers so that it can be used
by MI drivers
 1.7  19-Aug-2009  dyoung branches: 1.7.22; 1.7.40; 1.7.44;
(Re-)define isa_detach_hook(), and define isa_dmadestroy(). Update
some isa_chipset_tag_t->ic_detach_hook() definitions.
 1.6  28-Apr-2008  martin Remove clause 3 and 4 from TNF licenses
 1.5  17-Oct-2007  garbled branches: 1.5.16; 1.5.18; 1.5.20;
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.
 1.4  11-Dec-2005  christos branches: 1.4.30; 1.4.38; 1.4.48; 1.4.50; 1.4.52; 1.4.54;
merge ktrace-lwp.
 1.3  07-Aug-2003  agc branches: 1.3.16;
Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.
 1.2  09-May-2003  fvdl branches: 1.2.2;
A few ISA sound drivers like to share dma channels, and hence deferred
isa_dmamap_create() calls to their open/close entrypoints. This worked
with some luck, but broke on i386 when _bus_dmamap_create started
to allocate bounce buffers upfront, since memory below 16M may well
not be available when the sound devices is opened for the Nth time.

To fix this, create a new simple interface, isa_drq_alloc/isa_drq_free,
wrappers around already existing bitmask macros. These are expected
to be used before an isa_dmamap_create call, and after an
isa_dmamap_destroy call, respectively. For the sb and ad1848 drivers,
they're deferred until open/close.

All isa_dmamap_create calls can now use BUS_DMA_ALLOCNOW and be done
at attach time.
 1.1  27-Feb-2002  scw branches: 1.1.2; 1.1.14;
New port: NetBSD/mvmeppc

Based mostly on NetBSD/prep at this time since the earlier mvme160x
boards are pretty much PReP compliant. Later boards in the range
diverge somewhat from the reference platform, hence the separate port.

Still needs *lots* of bashing into shape, but at this time it will
boot to multi-user over ethernet on an MVME1603-051.
 1.1.14.2  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.1.14.1  27-Feb-2002  jdolecek file isa_machdep.h was added on branch kqueue on 2002-06-23 17:38:29 +0000
 1.1.2.2  28-Feb-2002  nathanw Catch up to -current.
 1.1.2.1  27-Feb-2002  nathanw file isa_machdep.h was added on branch nathanw_sa on 2002-02-28 04:11:00 +0000
 1.2.2.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.2.2.2  18-Sep-2004  skrll Sync with HEAD.
 1.2.2.1  03-Aug-2004  skrll Sync with HEAD
 1.3.16.1  27-Oct-2007  yamt sync with head.
 1.4.54.1  25-Oct-2007  bouyer Sync with HEAD.
 1.4.52.1  18-Oct-2007  yamt sync with head.
 1.4.50.1  06-Nov-2007  matt sync with HEAD
 1.4.48.1  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.
 1.4.38.2  10-May-2007  garbled More cleanup. mvmeppc and ibmnws are machines that have a PReP memory
map. Rather than have each port roll it's own code, use
oea/prep_machdep.c instead.
 1.4.38.1  09-May-2007  garbled Apply the complete renovation package to mvmeppc.
1) Convert to shared PIC code. For now, using i8259, however, I suspect
this machine really needs prepivr.
2) Convert to shared PCI
3) Convert to shared ISA
4) Clean up a few __P's and K&R declarations. Still a few to go probably.
 1.4.30.1  23-Oct-2007  ad Sync with head.
 1.5.20.2  19-Aug-2009  yamt sync with head.
 1.5.20.1  16-May-2008  yamt sync with head.
 1.5.18.1  18-May-2008  yamt sync with head.
 1.5.16.1  02-Jun-2008  mjf Sync with HEAD.
 1.7.44.1  04-Nov-2016  pgoyette Sync with HEAD
 1.7.40.1  05-Dec-2016  skrll Sync with HEAD
 1.7.22.1  03-Dec-2017  jdolecek update from HEAD

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