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0c05b92da1
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240 Commits

Author SHA1 Message Date
drochner
0c05b92da1 pull in new PC display headers 1998-05-28 16:59:31 +00:00
matt
66e7b8998f Only disable stray interrupts if there is no interrupt handler attached 1998-05-24 19:09:57 +00:00
ross
30e2441b99 Prototype sio_intr_alloc(). 1998-05-23 21:36:33 +00:00
matt
9c2e213217 Add sio_intr_alloc (copied from i386's isa_intr_alloc) for PCMCIA. 1998-05-23 18:35:56 +00:00
thorpej
0cb3acc9ae Correct a small, but fatal, typo. 1998-05-21 23:38:04 +00:00
thorpej
d19fbe1196 Garbage-collect the old confargs stuff that was used in the Early Days. 
It isn't really appropriate anymore.  Replace it with a real mainbus
attach args structure.
 1998-05-14 00:01:30 +00:00
thorpej
49aa171ab9 Add support for chaining DMA windows together, for falling back on 
SGMAPs if a direct-mapped window fails.
 1998-05-13 21:21:16 +00:00
thorpej
6172f5a0ac Use flags instead of a bunch of booleans. Add a "use bwx" flag. 1998-05-12 19:07:21 +00:00
thorpej
0b64ea0879 Gah, typo. 1998-05-12 18:45:04 +00:00
thorpej
86ee1b1000 Oops, and the writes, too. 1998-05-12 18:44:32 +00:00
thorpej
cc45d00d3c Clean up the code that puts the PCI controller into config mode 1; no 
functional difference.
 1998-05-12 18:40:44 +00:00
thorpej
34bbe5cd80 Rework ALCOR/ALCOR2/Pyxis recognition Yet Again. (Actually, just the 
way it's displayed, and mask off the revision once we've determined
which chip we're talking to.)
 1998-05-11 23:56:16 +00:00
thorpej
0624060713 Rework PCI interrupt mapping on the EB164 systype. Rather than computing 
interrupt routing directly, use the interrupt routing information provided
in the PCI "line" register.  The previous scheme did not work properly on
AlphaPC 164SXs.  Also, be silent about the fact that 0/8/x does not
have its interrupt mapped; this is to be expected on the 164SX (this is
the Cypress PCI-ISA bridge, which has IDE wired to compat mode on functions
1 and 2; the 164SX does _not_ have PCI IDE on device 11 like other AlphaPCs).
 1998-05-11 23:36:46 +00:00
thorpej
4665241bf8 Simplify the direct-mapped DMA case somewhat by adding a window base 
member to the DMA tag, and calling the direct-mapped back-ends directly,
rather than through chipset-specific front-ends which pass the window
base as an additional argument.
 1998-05-07 20:09:37 +00:00
mjacob
294015435b remove the unneccessary alpha_mbs and slight cleanup 1998-05-05 22:01:54 +00:00
mjacob
742983f1eb make it impossible to compile w/o SIO (you cannot have a console otherwise 1998-05-05 22:01:31 +00:00
mjacob
de4d1c62af pretty much redo interrupt code- now handles shared interrupts and solves the buspin int problem 1998-04-30 04:31:19 +00:00
mjacob
e3904356a4 do some mbs before a config read/write 1998-04-30 04:25:22 +00:00
thorpej
9e97d1cc17 Define Pyxis Interrupt Mask and General Purpose Output registers. 1998-04-29 03:09:26 +00:00
thorpej
28b467b65b Add support for the DEC EB64+. 1998-04-29 00:24:59 +00:00
thorpej
4ccb48a525 Try (again) to get the chip number right for Alcor and Pyxis, using the 
following (iffy) hueristic:

	CIA revision 1   -> 21171
	CIA revision 2   -> 21172
	CIA revision > 2 -> 21174
 1998-04-28 18:11:35 +00:00
thorpej
b6eff278f2 Fix some whitespace lossage. 1998-04-25 00:12:44 +00:00
drochner
660e718e2e Drivers for PC-like console devices are MI now. 1998-04-24 20:05:54 +00:00
mjacob
6cd64be0b6 fix minor typo 1998-04-24 01:25:18 +00:00
thorpej
4fc79b8fd3 First cut at PCI IDE compat interrupt support for the EB164 systype. 
PCI IDE is found on the AlphaPC 164SX's Cypress PCI-ISA bridge.
 1998-04-18 01:18:37 +00:00
thorpej
574b87a792 Initialize the PCI IDE compat interrupt PCI method to NULL; PCI IDE 
compat interrupts are not currently supported on these platforms.
 1998-04-18 01:12:23 +00:00
thorpej
78c7ebb2d0 Add a second Alpha-specific pci_chipset_tag_t method for establishing 
PCI IDE compat interrupts.  Note that this function is optional, and
platform-specific code may initialize the pointer to NULL.
 1998-04-18 01:10:54 +00:00
thorpej
a5f006fb5f Fix a typo. 1998-04-18 01:09:20 +00:00
thorpej
783382095c Machine-dependent bits for PCI IDE. This redirects PCI IDE compat interrupt 
goop to the appropriate platform-dependent code.
 1998-04-18 01:08:52 +00:00
thorpej
815703e5ec Make function names in printfs and panics consistent. 1998-04-16 19:50:55 +00:00
thorpej
a048ee73ca Fix a whitespace botch. 1998-04-16 19:40:56 +00:00
thorpej
2615a1d8d3 Allow device 8 (the SIO) to have its interrupt mapped; there might be 
a PCI IDE controller on one of the PCI-ISA bridge's functions (e.g.
AlphaPC 164SX).
 1998-04-16 19:24:24 +00:00
drochner
584f3e8aa0 Adapt PCI console selection to new mi drivers. 1998-04-15 20:46:34 +00:00
mjacob
6cc22e724e Hmmm- how did that happen- I missed a merge 1998-04-15 01:18:17 +00:00
mjacob
aed073a77f add Alpha 4100 support 1998-04-15 00:50:14 +00:00
mjacob
0ba76b38c8 spurious interrupt notification and finally adding vmstat -i support 1998-04-15 00:49:58 +00:00
mjacob
0229740b5e removal of unneeded define 1998-04-15 00:49:17 +00:00
mjacob
5f59df9630 oops on byte enables for TurboLaser systems 1998-04-15 00:48:58 +00:00
thorpej
164f56220e Add support for the Cypress CY82C693 PCI-ISA bridge. This bridge is more or 
less like an Intel SIO except that the ELCR registers are accessed differently
than on the Intel SIO.

XXX This code needs to be split up into bridge front-end and PIC back-end
XXX pieces.
 1998-04-14 22:31:17 +00:00
thorpej
4c01c3c48e Pass the pci_chipset_tag_t to sio_intr_setup(). XXX This code should be 
rearranged so that other non-PCI-but-in-all-other-ways-ISA-PIC-like
devices can share code.
 1998-04-14 22:20:59 +00:00
mjacob
e40e2ff2d0 A little buglet: softc for pceb is same as sio- so declare it as such. 
By not doing so, a very obscure bug followed where the config search
stuff stopped at the bridge (pceb) and didn't even call match for the
two Qlogic ISP cards that followed.
 1998-04-12 08:32:19 +00:00
thorpej
ce4810822b Add autoconfiguration support for the Cypress 82C693 PCI-ISA bridge, 
found on AlphaPC164SX boards.

Partially from Anders Magnusson <ragge@ludd.luth.se>.
 1998-03-28 06:58:43 +00:00
thorpej
040f7cbc70 Remove references to pmap.old.h - It should have just been pmap.h, but 
that isn't necessary, either, since <vm/vm.h> is already included.
 1998-03-26 18:17:13 +00:00
mjacob
8e5970917e Redo it slightly so that S/G now appears to work a bit better. This 
version has 2GB direct map starting at 2GB, and either 256MB or 1GB
S/G starting at 1MB. I've done *some* testing on this, but I'm not
quite happy with it yet.
 1998-03-23 07:42:40 +00:00
mjacob
88c34f6f5f Spaicing for 32 bit ptes (dwlpx only, really) is 0x20, not 1 1998-03-23 07:09:12 +00:00
mjacob
66194d05bc Do a more complete job of figuring out what kind of DWLP? we have- figure 
out how much s/g ram is available. Can't really use the 128K entry S/G
ram yet- but I'll fix that later. More importantly, add in a dwlpx_iointr
handler that will try and figure out what the DWLPX error is and at
least print out what is happening- I actually found it useful in S/G
entry debugging as it could tell me that I had some bad S/G entries.
 1998-03-23 06:38:10 +00:00
mjacob
51ba315ba2 Slightly restructure interrupt handling to accomodate the addition 
of a dwlpx_iointr vector.
 1998-03-23 06:32:39 +00:00
mjacob
7c83bc0da6 Prepare for handling multisized S/G maps. Specify dwlpx_iointr function. 1998-03-23 06:31:54 +00:00
mjacob
34f87569b9 add some error defintions 1998-03-21 22:02:42 +00:00
ross
ff94450f84 Use the more consistent register field names & add ctags(1) keys. 1998-03-02 07:07:41 +00:00