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1ad6189f11
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62 Commits

Author SHA1 Message Date
scw
1ad6189f11 No, really attach sm(4) at sysfpga... 2002-10-22 15:35:25 +00:00
scw
b604625664 - sm at sysfpga, 
- gsip at pci (and its phy)
 2002-10-22 15:21:24 +00:00
scw
8477927799 - Attach sm(4) at sysfpga instead of at superio. The latter was a relic 
of when we used to attach sm(4) to the isabus.
- Re-work sysfpga's interrupt naming scheme to reflect that used in the docs.
 2002-10-22 15:19:06 +00:00
scw
b12d613c40 Enable the NMI only if DDB is defined, instead of DEBUG. 2002-10-22 14:38:26 +00:00
scw
bce8874166 Make this compile when DEBUG is not defined. 2002-10-22 14:17:34 +00:00
scw
6a2132797e - Simplify early initialisation so we do most of it in C. 
- Call allocsys() much earlier so we can use uvm_pageboot_alloc() to
  steal KSEG0 pages for system tables.
 2002-10-22 09:30:26 +00:00
scw
c01b319dcc There seem to be some stability problems with the scif serial port driver 
at the moment, possibly as a side-effect of some yet-to-be-committed SH5
speed-ups.

Work-around it for now by using com0 as the console.
 2002-10-19 08:43:32 +00:00
scw
472a1ad6b2 When setting up to probe a com(4) port for use as the console, make sure 
the port is powered up and configured correctly.
 2002-10-19 08:39:50 +00:00
scw
a92b12e63a Enable the early bus_space_map() of the sysfpga's registers. 2002-10-14 14:21:35 +00:00
scw
89612efe30 Interrupt overhaul: 
- Allocate interrupt handles dynamically from a pool(9) to reduce the
   number of TLB misses during interrupt dispatch.
 - Fully support evcnt(9) in all interrupt dispatchers.
 2002-10-14 14:19:27 +00:00
scw
f07358cb66 - Make sure not to sign-extend the PA of KSEG0, particulary in 64-bit mode, 
- Moved intrnames/eintrnames here, since they're pretty much board-specific.
 2002-10-08 15:52:02 +00:00
scw
199e165526 Add a cacheop for purging/invalidating the whole operand/insn caches. 
This is currently not used (actually, it was used locally for a short time
while tracking down a pmap bug), but is here in case it's needed later.
 2002-10-07 14:48:14 +00:00
scw
c3ed42912c Simplify the scsibus attatchment as pointed out by Simon Burge. 2002-10-07 08:20:07 +00:00
scw
c784454024 Use a more aesthetically pleasing 10% duty-cycle for the heartbeat LED. 2002-10-05 12:18:58 +00:00
scw
a7330033a9 Add ex(4), ahc(4), scsibus(4), and sd(4). 2002-10-05 11:43:23 +00:00
scw
1b3c8f3be0 Flesh out cpu_reboot(). 2002-10-05 11:01:13 +00:00
scw
fa307a78a6 A couple of additions: 
- sysfpga_sreset()
   Hit the soft-reset register to reset the board.

 - sysfpga_twinkle_led()
   Might as well put the blinkenlight on the Cayman to good use as
   a "heartbeat" indicator.
 2002-10-05 10:59:10 +00:00
scw
db80ebe781 Add needs-flag to sysfpga, and check it before calling sysfpga_nmi_clear(). 2002-10-04 09:24:52 +00:00
scw
d4c3160197 pmap_bootstrap() needs to know the physical address of KSEG0. 2002-10-04 09:23:27 +00:00
thorpej
c5e91d447d Use CFATTACH_DECL(). 2002-10-02 04:55:47 +00:00
scw
9d94c9899c Check if an interrupt is already claimed _after_ locating the 
right interrupt handle.
 2002-10-01 07:58:54 +00:00
scw
a7be636d26 Rename the SH5 PCI attachment to "sh5pci" instead of abusing the "pcibus" 
config definition. The new config world order is more picky about such things.
 2002-09-28 13:08:22 +00:00
scw
f5138efc2e Fix things so the com(4) probe in consinit() works. 2002-09-28 12:50:27 +00:00
scw
5868dbcbf6 Make this work following the gehenna_devsw merge. 2002-09-28 12:49:17 +00:00
scw
251ba05b3f Support for the SH5 on-chip PCI bridge, and support for its deployment 
in the Cayman board.
 2002-09-28 11:16:36 +00:00
thorpej
9a711d6985 Declare all cfattach structures const. 2002-09-27 20:29:02 +00:00
thorpej
6c88de3b53 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.
 2002-09-27 03:17:40 +00:00
thorpej
d1ad2ac4f2 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.
 2002-09-27 02:24:06 +00:00
thorpej
c12a2960bb In sysfpgamatch(), the expression "cf->cf_driver == &sysfpga_cd" is 
always true, so just return the constant 1.
 2002-09-26 20:25:41 +00:00
scw
d942ee4018 - Setup the cpu-specific cache manipulation function pointers. 
- Add sh5_nmi_clear().
 2002-09-22 20:52:12 +00:00
scw
f1780fd0ae Add sysfpga_nmi_clear(). This resets the NMI one-shot in Cayman's 
System FPGA chip.
 2002-09-22 20:51:09 +00:00
scw
f9a4918dc0 INT1 Select is at offset 0x72, not 0x71. 2002-09-22 20:49:27 +00:00
scw
7fa549e8d4 Move the RESVEC vector table/handlers to here, since some if it is, 
essentially, machine dependent.
 2002-09-10 11:53:14 +00:00
gehenna
77a6b82b27 Merge the gehenna-devsw branch into the trunk. 
This merge changes the device switch tables from static array to
dynamically generated by config(8).

- All device switches is defined as a constant structure in device drivers.

- The new grammer ``device-major'' is introduced to ``files''.

	device-major <prefix> char <num> [block <num>] [<rules>]

- All device major numbers must be listed up in port dependent majors.<arch>
  by using this grammer.

- Added the new naming convention.
  The name of the device switch must be <prefix>_[bc]devsw for auto-generation
  of device switch tables.

- The backward compatibility of loading block/character device
  switch by LKM framework is broken. This is necessary to convert
  from block/character device major to device name in runtime and vice versa.

- The restriction to assign device major by LKM is completely removed.
  We don't need to reserve LKM entries for dynamic loading of device switch.

- In compile time, device major numbers list is packed into the kernel and
  the LKM framework will refer it to assign device major number dynamically.
 2002-09-06 13:18:43 +00:00
scw
4b8905020d - #define the physical start of RAM. 
- Set up a Panic Stack,
 - Don't pre-map the sysfpga at this time.
 - Calculate the CPU speed only if SH5_CPU_SPEED isn't defined.
 - On a related note, make the CPU speed probing code more accurate.
 - Print the CPU speed at startup.
 - Force RB_SINGLE for now, at least until I get a bootloader written.
 2002-09-04 15:14:46 +00:00
scw
e94347123e Set SMC_FLAGS_32BIT_READ flag before calling the MI code. 2002-09-04 14:55:42 +00:00
scw
9c10dc5c22 If DEBUG is defined, enable Cayman's NMI button. 2002-08-31 09:30:02 +00:00
scw
7da5ef1b84 Delete the CPU_CTB1 option; it was never used. 
Add the SH5_INTC_IRL_MODE_INDEP option, to correctly configure
the interrupt controller for Cayman.
 2002-08-30 11:25:09 +00:00
scw
877f6b7143 Add some options: 
- SH5_SIM, as we're targetting the simulator.
 - KERNEL_IPT_SIZE, as we want to reduce startup time.
 - DDB. Yes, DDB inside a debugger/simulator. :)
 2002-08-30 11:23:12 +00:00
scw
aaa2f7e5ca When running on the simulator, assume there is 16MB of "RAM". This 
greatly reduces startup time.
 2002-08-30 11:06:03 +00:00
scw
1fd693d5b5 In the IRL1 interrupt handler, you need to read the Interrupt 
Source Register#0, Steve. Not the Board Operating Mode register. Duh.
 2002-08-30 11:03:25 +00:00
scw
de63e7f1e4 Swap the IRL numbers for FEMI and SUPERIO, after reading the Cayman 
docs a bit more closely...
 2002-08-30 10:59:39 +00:00
scw
5cc4fe3194 Slight tweak to how the sm(4) driver attaches to superio. Also, just 
use the regular bus tag for sm(4) instead of superio's "special" ISA
bus tag.
 2002-08-30 10:57:05 +00:00
scw
873939f14a Fix a typo which resulted in a bus_space_write_stream_4() where it 
should have been bus_space_write_stream_2().

The sm(4) driver gets a bit further now.

While I'm here, g/c a debug printf accidentally commited last time around.
 2002-08-29 18:11:07 +00:00
scw
2ccf86d7da Re-sync with current reality. 
Add options DDB.
Add debug makeoptions.
G/C some unnecessary stuff.
 2002-08-26 11:16:02 +00:00
scw
9bcd736b9d Attach sm(4) at superio, instead of the previous isa bus attachment. 
The latter's probe doesn't pick up the ethernet controller, and the
attach function needs to set MIIF_NOISOLATE.
We attach it at superio mainly because they share the same region of
address space, and the ethernet controller's interrupt is routed
through the superio.
 2002-08-26 11:04:44 +00:00
scw
fe7de4db3f Need <machine/db_machdep.h> 2002-08-26 10:58:38 +00:00
scw
a1fda8f587 Call ddb_init() right after initialising the console. 
We have no symbols at this time (due to lack of a bootloader)
so just hardcode symbol length to zero for now.
 2002-08-26 10:55:39 +00:00
scw
0eb22d79b4 Try to preserve more bits in the status register (e.g. trace/watch). 
Bump the (currently hardcoded) size of onboard RAM to match the Cayman.
 2002-08-26 10:52:13 +00:00
thorpej
139cdc3125 Make nbuf, nswbuf, and bufpages unsigned. Make all operations on these 
variables unsigned, and update places where their values are printed.
 2002-08-25 20:21:33 +00:00