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History log of /src/sys/arch/hp300/dev/frodo.c
RevisionDateAuthorComments
 1.36  16-Jan-2024  thorpej Switch hp300 over to the common interrupt dispatch code.

XXX There are still some things to fix up here, but it's no worse
than it was before (the problems date back to when we flattened
the device interrupt levels into IPL_VM).
 1.35  25-Nov-2022  tsutsui Service mode switch should not be treated as an error.

Use aprint_normal(9) to avoid confusing dmesg.
 1.34  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.33  24-Apr-2021  thorpej branches: 1.33.8;
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?).
 1.32  30-Apr-2014  tsutsui branches: 1.32.42;
Probe mcclock only on 425e to avoid an extra "not configured" message.
 1.31  19-Apr-2014  tsutsui Add proper RealTime Clock support for HP9000/425e.

As the OpenBSD/hp300 page says 425e doesn't have the traditional
RTC at intio (as it also lacks DCA 16550 serial at intio?),
but after a few hour investigation it turns out that
425e uses mc146818 compatible calendar clock in
the Apollo "frodo" utility chip and the frodo chip on
425e actually has the 32kHz OSC and is actually backed up
by the onboard lithium battery.

Tested on HP425e (with mcclock) and HP362 (with old rtc).
 1.30  12-Feb-2011  tsutsui branches: 1.30.4; 1.30.10; 1.30.14; 1.30.18; 1.30.28;
Fix comment (362 doesn't have frodo).
 1.29  28-Apr-2008  martin branches: 1.29.22; 1.29.28; 1.29.30;
Remove clause 3 and 4 from TNF licenses
 1.28  29-Mar-2008  tsutsui branches: 1.28.2; 1.28.4;
Split device_t/softc, and misc cosmetic changes.
 1.27  04-Mar-2007  christos branches: 1.27.40;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.26  20-Jul-2006  tsutsui branches: 1.26.10;
Identify models HP362 and HP382. From OpenBSD, tested on my HP382.

Note now options HP362 and options HP382 are required for these models
in your kernel config file.
 1.25  19-Jul-2006  tsutsui some KNF
 1.24  19-Jul-2006  tsutsui Use iobase address passed from attach args.
 1.23  24-Dec-2005  perry branches: 1.23.4; 1.23.8;
Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.
 1.22  11-Dec-2005  christos merge ktrace-lwp.
 1.21  26-Aug-2005  drochner s/locdesc_t/int/g
 1.20  28-Jun-2005  drochner branches: 1.20.2;
convert remaining autoconf bus "submatch" functions to use the new
signature (passing locators), and remove some which obviously don't
serve any purpose
(untested, sorry)
 1.19  02-Jan-2005  tsutsui u_intNN_t -> uintNN_t
 1.18  28-Aug-2004  thorpej Use ANSI function decls, static, and const.
 1.17  07-Apr-2004  tsutsui Adjust fd_name in struct frodo_device frodo_subdevs[]
since MD apci(4) has been switched to MI com(4).
 1.16  17-Nov-2003  tsutsui branches: 1.16.2;
TAB/space cleanup.
 1.15  08-Nov-2003  tsutsui Switch DCA and APCI serial devices to use MI com(4) driver.

DCA is tested on HP362 and HP382 with serial console,
but APCI on HP4xx is not tested yet.
 1.14  01-Jan-2003  thorpej branches: 1.14.2;
Use aprint_normal() for cfprint routines.
 1.13  02-Oct-2002  thorpej Use CFATTACH_DECL().
 1.12  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.11  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.
 1.10  17-Mar-2002  gmcgarry Don't match on trailing spaces in the module name.
 1.9  15-Mar-2002  gmcgarry Add RCSIDs.
 1.8  08-Dec-2001  gmcgarry Update for structural interrupt changes. No functional change.
 1.7  08-Dec-2001  gmcgarry bcopy -> memcpy
bzero -> memset
bcmp -> memcmp
 1.6  17-Nov-2001  gmcgarry Update for new intio parent interface.
 1.5  31-Jul-1999  thorpej branches: 1.5.16; 1.5.20;
Skip "serial 1" on non-425e models. It's mapped to DCA at 9 on every
other 4xx model, and the "not configured" could be pretty annoying.
 1.4  12-Jan-1998  thorpej branches: 1.4.10;
Update for changes to config.
 1.3  11-Jan-1998  thorpej ia->ia_addr is a physical address, not a kernel virtual address.
 1.2  04-Oct-1997  thorpej Copyright assigned to The NetBSD Foundation.
 1.1  12-May-1997  thorpej branches: 1.1.4;
Add a driver for the Apollo Utility Chip (a.k.a. "frodo"), contributed
by Mike Smith <mike@pressed.spam.frisbee.net.au>, with some changes to
the autoconfiguration model and slight changes to the interrupt glue
by me.
 1.1.4.1  14-Oct-1997  thorpej Update marc-pcmcia branch from trunk.
 1.4.10.1  02-Aug-1999  thorpej Update from trunk.
 1.5.20.4  03-Jan-2003  thorpej Sync with HEAD.
 1.5.20.3  18-Oct-2002  nathanw Catch up to -current.
 1.5.20.2  01-Apr-2002  nathanw Catch up to -current.
(CVS: It's not just a program. It's an adventure!)
 1.5.20.1  08-Jan-2002  nathanw Catch up to -current.
 1.5.16.3  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
 1.5.16.2  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.5.16.1  10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.14.2.6  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.14.2.5  17-Jan-2005  skrll Sync with HEAD.
 1.14.2.4  21-Sep-2004  skrll Fix the sync with head I botched.
 1.14.2.3  18-Sep-2004  skrll Sync with HEAD.
 1.14.2.2  03-Sep-2004  skrll Sync with HEAD
 1.14.2.1  03-Aug-2004  skrll Sync with HEAD
 1.16.2.1  11-Apr-2004  jmc Pullup rev 1.17 (requested by tsutsui in ticket #116)

Adjust fd_name in struct frodo_device frodo_subdevs[]
since MD apci(4) has been switched to MI com(4).
Adjust FRODO_BASE macro since com_frodo uses bus_space_map(9)
which takes offset from intiobase instead of KVA.
It turns out that not only HP425e but other HP4xx models also require
COM_HW_NOIEN for APCI com(4) ports.
 1.20.2.3  03-Sep-2007  yamt sync with head.
 1.20.2.2  30-Dec-2006  yamt sync with head.
 1.20.2.1  21-Jun-2006  yamt sync with head.
 1.23.8.1  11-Aug-2006  yamt sync with head
 1.23.4.1  09-Sep-2006  rpaulo sync with head
 1.26.10.1  12-Mar-2007  rmind Sync with HEAD.
 1.27.40.2  02-Jun-2008  mjf Sync with HEAD.
 1.27.40.1  03-Apr-2008  mjf Sync with HEAD.
 1.28.4.1  16-May-2008  yamt sync with head.
 1.28.2.1  18-May-2008  yamt sync with head.
 1.29.30.1  17-Feb-2011  bouyer Sync with HEAD
 1.29.28.1  06-Jun-2011  jruoho Sync with HEAD.
 1.29.22.1  05-Mar-2011  rmind sync with head
 1.30.28.1  10-Aug-2014  tls Rebase.
 1.30.18.1  18-May-2014  rmind sync with head
 1.30.14.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.30.10.1  21-May-2014  bouyer Pull up following revision(s) (requested by tsutsui in ticket #1058):
sys/arch/hp300/conf/files.hp300: revision 1.88
sys/arch/hp300/include/autoconf.h: revision 1.13
sys/dev/ic/sti.c: revision 1.17
sys/arch/hp300/dev/frodo.c: revision 1.31
sys/arch/hp300/conf/GENERIC: revision 1.173
sys/arch/hp300/hp300/machdep.c: revision 1.229
sys/arch/hp300/dev/frodo.c: revision 1.32
sys/arch/hp300/hp300/autoconf.c: revision 1.102
sys/arch/hp300/dev/frodoreg.h: revision 1.5
sys/arch/hp300/stand/common/ite_sti.c: revision 1.1
sys/arch/hp300/stand/common/itevar.h: revision 1.16
sys/arch/hp300/hp300/autoconf.c: revision 1.105
sys/arch/hp300/dev/sti_sgcvar.h: revision 1.1
sys/arch/hp300/stand/common/apci.c: revision 1.12
sys/arch/hp300/stand/common/apci.c: revision 1.13
sys/arch/hp300/dev/dnkbd.c: revision 1.6
sys/arch/hp300/dev/dnkbd.c: revision 1.7
sys/arch/hp300/stand/inst/version: revision 1.12
sys/arch/hp300/dev/com_frodo.c: revision 1.9
sys/arch/hp300/stand/common/ite.c: revision 1.17
sys/arch/hp300/conf/GENERIC: revision 1.181
sys/arch/hp300/dev/sti_sgc.c: revision 1.1
sys/arch/hp300/stand/common/dnkbd.c: revision 1.13
sys/arch/hp300/dev/sti_sgc.c: revision 1.2
sys/dev/ic/stivar.h: revision 1.8
sys/arch/hp300/dev/rtc.c: revision 1.21
sys/arch/hp300/conf/INSTALL: revision 1.56
sys/arch/hp300/conf/INSTALL: revision 1.58
sys/arch/hp300/stand/uboot/version: revision 1.19
sys/arch/hp300/stand/common/samachdep.h: revision 1.17
sys/arch/hp300/stand/common/clock.c: revision 1.12
sys/arch/hp300/dev/mcclock_frodo.c: revision 1.1
sys/arch/hp300/stand/Makefile.buildboot: revision 1.34
sys/arch/hp300/conf/files.hp300: revision 1.87
Add sti at sgc framebuffer.
Ported from OpenBSD by kiyohara@.
Fix a botch on switching from apci (and dca) to MI com(4) 10 years ago.
I.e. fix apci device address per FRODO_BASE macro change
in frodoreg.h rev 1.2. Now bootloader works with serial console
on HP425e (which has only com at frodo).
Thanks to miod@openbsd for providing his 425e.
Add sti(4) at sgc screen console support. From (the late) OpenBSD/hp300.
Tested on HP9000/425e, which was sent from Miod Vallat and
demonstrated at Open Source unConference 2014 Kagawa.
Check the service switch on 425e to select apci serial console.
Taken from OpenBSD/hp300. See the following comment for details:
> * Check the service switch. On the 425e, this is a physical
> * switch, unlike other frodo-based machines, so we can use it
> * as a serial vs internal video selector, since the PROM can not
> * be configured for serial console.
Add proper RealTime Clock support for HP9000/425e.
As the OpenBSD/hp300 page says 425e doesn't have the traditional
RTC at intio (as it also lacks DCA 16550 serial at intio?),
but after a few hour investigation it turns out that
425e uses mc146818 compatible calendar clock in
the Apollo "frodo" utility chip and the frodo chip on
425e actually has the 32kHz OSC and is actually backed up
by the onboard lithium battery.
Tested on HP425e (with mcclock) and HP362 (with old rtc).
Add RTC support for HP9000/425e to bootloader too.
Also put several cleanup:
- make local functions and variables static
- use proper variable types
- some KNF
Note it turns out that extreme slowness of netboot on hp300 is
caused by the too slow access of the traditional RTC chip at intio
(i.e. netboot on 425e is so much faster than others). Oh well.
Add proper consinit(9) support for sti(4) at sgc framebuffer on hp300.
The cnattach functions for sti(4) and service switch check method
for 425e in com_frodo.c are taken from OpenBSD.
The strategy how to choose the console device in hp300_cninit() is
quite diverged from 4.4BSD and OpenBSD so it's tweaked by me.
Also put several changes in sti_sgc.c to reduce diffs from OpenBSD/hp300.
Tested on 425e and 362 (which still uses gendiofb(4), not sti(4)).
XXX: sti(4) requires uvm_km_alloc(9) and uvm_map_protect(9)
to copy and call ROM functions on the executable memory region, so
it can be called before UVM and related initializations are complete.
Probably it's time to consider about MI "deferred consinit()" API
in init_main.c (or elsewhere) for modern complicated VM system...
Also fix the apci device address in dnkbd.c as apci.c rev 1.12:
http://mail-index.netbsd.org/source-changes/2014/04/10/msg053940.html
Finally dnkbd(4) is confirmed working at least on bootloader.
Thanks again to Miod Vallat.
Make the Apollo Domain keyboard actually work.
Tested on HP9000/425e and the keyboard model A1630-82001 R2 (RX-60857-HW)
provided by Miod Vallat. Mouse support needs more work.
Pull random notes on the Apollo Domain keyboard from ancient PR/3528.
Bump versions to denote recent 425e related changes.
Probe mcclock only on 425e to avoid an extra "not configured" message.
Add and enable sti(4) at sgc in install kernels for 425e.
Tested on both serial console and framebuffer console.
(switched by the service switch on the back panel)
 1.30.4.1  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")
 1.32.42.2  22-Mar-2021  thorpej Audit CFARG_IATTR in config_found() calls, and remove it in situations
where the interface attribute is not ambiguous.
 1.32.42.1  22-Mar-2021  thorpej Mechanical conversion of config_found_sm_loc() -> config_found().
CFARG_IATTR usage needs to be audited.
 1.33.8.1  04-Aug-2021  thorpej Adapt to CFARGS().

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