Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
/*-
|
|
|
|
* Copyright (c) 1998 Doug Rabson
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
* are met:
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
|
2003-06-10 17:31:31 +00:00
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
#include <sys/param.h>
|
|
|
|
#include <sys/systm.h>
|
|
|
|
#include <sys/kernel.h>
|
|
|
|
#include <sys/module.h>
|
1999-08-10 13:30:25 +00:00
|
|
|
#include <sys/malloc.h>
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
#include <sys/bus.h>
|
1999-08-10 13:30:25 +00:00
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <sys/rman.h>
|
2005-01-31 23:07:42 +00:00
|
|
|
#include <sys/proc.h>
|
|
|
|
#include <sys/sched.h>
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
|
|
|
|
#include <alpha/pci/lcareg.h>
|
|
|
|
#include <alpha/pci/lcavar.h>
|
1999-04-16 21:22:55 +00:00
|
|
|
#include <alpha/isa/isavar.h>
|
2003-08-17 06:42:08 +00:00
|
|
|
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
#include <machine/cpuconf.h>
|
2003-08-17 06:42:08 +00:00
|
|
|
#include <machine/intr.h>
|
|
|
|
#include <machine/md_var.h>
|
1999-08-10 13:30:25 +00:00
|
|
|
#include <machine/sgmap.h>
|
2003-08-17 06:42:08 +00:00
|
|
|
#include <machine/swiz.h>
|
1999-08-10 13:30:25 +00:00
|
|
|
|
|
|
|
#include <vm/vm.h>
|
|
|
|
#include <vm/vm_page.h>
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
|
|
|
|
#define KV(pa) ALPHA_PHYS_TO_K0SEG(pa)
|
|
|
|
|
|
|
|
static devclass_t lca_devclass;
|
|
|
|
static device_t lca0; /* XXX only one for now */
|
|
|
|
|
|
|
|
struct lca_softc {
|
|
|
|
int junk;
|
|
|
|
};
|
|
|
|
|
|
|
|
#define LCA_SOFTC(dev) (struct lca_softc*) device_get_softc(dev)
|
|
|
|
|
1998-11-15 18:25:17 +00:00
|
|
|
static alpha_chipset_read_hae_t lca_read_hae;
|
|
|
|
static alpha_chipset_write_hae_t lca_write_hae;
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
|
|
|
|
static alpha_chipset_t lca_chipset = {
|
1998-11-15 18:25:17 +00:00
|
|
|
lca_read_hae,
|
|
|
|
lca_write_hae,
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The LCA HAE is write-only. According to NetBSD, this is where it starts.
|
|
|
|
*/
|
|
|
|
static u_int32_t lca_hae_mem = 0x80000000;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The first 16Mb ignores the HAE. The next 112Mb uses the HAE to set
|
|
|
|
* the high bits of the PCI address.
|
|
|
|
*/
|
|
|
|
#define REG1 (1UL << 24)
|
|
|
|
|
2000-08-28 21:48:13 +00:00
|
|
|
static u_int32_t
|
|
|
|
lca_set_hae_mem(void *arg, u_int32_t pa)
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
{
|
|
|
|
int s;
|
|
|
|
u_int32_t msb;
|
2000-08-28 21:48:13 +00:00
|
|
|
if(pa >= REG1){
|
|
|
|
msb = pa & 0xf8000000;
|
|
|
|
pa -= msb;
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
s = splhigh();
|
|
|
|
if (msb != lca_hae_mem) {
|
|
|
|
lca_hae_mem = msb;
|
|
|
|
REGVAL(LCA_IOC_HAE) = lca_hae_mem;
|
|
|
|
alpha_mb();
|
|
|
|
alpha_mb();
|
|
|
|
}
|
|
|
|
splx(s);
|
|
|
|
}
|
2000-08-28 21:48:13 +00:00
|
|
|
return pa;
|
1998-10-06 14:18:40 +00:00
|
|
|
}
|
|
|
|
|
1998-11-15 18:25:17 +00:00
|
|
|
static u_int64_t
|
|
|
|
lca_read_hae(void)
|
|
|
|
{
|
|
|
|
return lca_hae_mem & 0xf8000000;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
lca_write_hae(u_int64_t hae)
|
|
|
|
{
|
|
|
|
u_int32_t pa = hae;
|
2000-08-28 21:48:13 +00:00
|
|
|
lca_set_hae_mem(0, pa);
|
1998-11-15 18:25:17 +00:00
|
|
|
}
|
1998-10-06 14:18:40 +00:00
|
|
|
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
static int lca_probe(device_t dev);
|
|
|
|
static int lca_attach(device_t dev);
|
|
|
|
static device_method_t lca_methods[] = {
|
|
|
|
/* Device interface */
|
|
|
|
DEVMETHOD(device_probe, lca_probe),
|
|
|
|
DEVMETHOD(device_attach, lca_attach),
|
|
|
|
|
|
|
|
/* Bus interface */
|
1999-04-16 21:22:55 +00:00
|
|
|
DEVMETHOD(bus_setup_intr, isa_setup_intr),
|
|
|
|
DEVMETHOD(bus_teardown_intr, isa_teardown_intr),
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
|
|
|
|
{ 0, 0 }
|
|
|
|
};
|
|
|
|
|
|
|
|
static driver_t lca_driver = {
|
|
|
|
"lca",
|
|
|
|
lca_methods,
|
|
|
|
sizeof(struct lca_softc),
|
|
|
|
};
|
|
|
|
|
1999-08-10 13:30:25 +00:00
|
|
|
#define LCA_SGMAP_BASE (8*1024*1024)
|
|
|
|
#define LCA_SGMAP_SIZE (8*1024*1024)
|
|
|
|
|
|
|
|
static void
|
|
|
|
lca_sgmap_invalidate(void)
|
|
|
|
{
|
|
|
|
alpha_mb();
|
|
|
|
REGVAL(LCA_IOC_TBIA) = 0;
|
|
|
|
alpha_mb();
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2000-08-28 21:48:13 +00:00
|
|
|
lca_sgmap_map(void *arg, bus_addr_t ba, vm_offset_t pa)
|
1999-08-10 13:30:25 +00:00
|
|
|
{
|
|
|
|
u_int64_t *sgtable = arg;
|
|
|
|
int index = alpha_btop(ba - LCA_SGMAP_BASE);
|
|
|
|
|
|
|
|
if (pa) {
|
|
|
|
if (pa > (1L<<32))
|
|
|
|
panic("lca_sgmap_map: can't map address 0x%lx", pa);
|
|
|
|
sgtable[index] = ((pa >> 13) << 1) | 1;
|
|
|
|
} else {
|
|
|
|
sgtable[index] = 0;
|
|
|
|
}
|
|
|
|
alpha_mb();
|
|
|
|
lca_sgmap_invalidate();
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
lca_init_sgmap(void)
|
|
|
|
{
|
|
|
|
void *sgtable;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* First setup Window 0 to map 8Mb to 16Mb with an
|
|
|
|
* sgmap. Allocate the map aligned to a 32 boundary.
|
|
|
|
*/
|
|
|
|
REGVAL64(LCA_IOC_W_BASE0) = LCA_SGMAP_BASE |
|
|
|
|
IOC_W_BASE_SG | IOC_W_BASE_WEN;
|
|
|
|
alpha_mb();
|
|
|
|
|
|
|
|
REGVAL64(LCA_IOC_W_MASK0) = IOC_W_MASK_8M;
|
|
|
|
alpha_mb();
|
|
|
|
|
|
|
|
sgtable = contigmalloc(8192, M_DEVBUF, M_NOWAIT,
|
|
|
|
0, (1L<<34),
|
|
|
|
32*1024, (1L<<34));
|
|
|
|
if (!sgtable)
|
|
|
|
panic("lca_init_sgmap: can't allocate page table");
|
|
|
|
chipset.sgmap = sgmap_map_create(LCA_SGMAP_BASE,
|
|
|
|
LCA_SGMAP_BASE + LCA_SGMAP_SIZE,
|
|
|
|
lca_sgmap_map, sgtable);
|
|
|
|
|
|
|
|
|
|
|
|
REGVAL64(LCA_IOC_W_T_BASE0) = pmap_kextract((vm_offset_t) sgtable);
|
|
|
|
alpha_mb();
|
|
|
|
REGVAL64(LCA_IOC_TB_ENA) = IOC_TB_ENA_TEN;
|
|
|
|
alpha_mb();
|
|
|
|
lca_sgmap_invalidate();
|
|
|
|
}
|
|
|
|
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
void
|
|
|
|
lca_init()
|
|
|
|
{
|
|
|
|
static int initted = 0;
|
2000-08-28 21:48:13 +00:00
|
|
|
static struct swiz_space io_space, mem_space;
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
|
|
|
|
if (initted) return;
|
|
|
|
initted = 1;
|
|
|
|
|
2000-08-28 21:48:13 +00:00
|
|
|
swiz_init_space(&io_space, KV(LCA_PCI_SIO));
|
|
|
|
swiz_init_space_hae(&mem_space, KV(LCA_PCI_SPARSE),
|
|
|
|
lca_set_hae_mem, 0);
|
|
|
|
|
|
|
|
busspace_isa_io = (struct alpha_busspace *) &io_space;
|
|
|
|
busspace_isa_mem = (struct alpha_busspace *) &mem_space;
|
|
|
|
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
/* Type 0 PCI conf access. */
|
|
|
|
REGVAL64(LCA_IOC_CONF) = 0;
|
|
|
|
|
|
|
|
if (platform.pci_intr_init)
|
|
|
|
platform.pci_intr_init();
|
|
|
|
|
|
|
|
chipset = lca_chipset;
|
|
|
|
}
|
|
|
|
|
2002-04-17 13:57:50 +00:00
|
|
|
static void
|
|
|
|
lca_machine_check(unsigned long mces, struct trapframe *framep,
|
|
|
|
unsigned long vector, unsigned long param);
|
|
|
|
|
2005-01-31 23:07:42 +00:00
|
|
|
static void lca_cpu_idle (void);
|
|
|
|
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
static int
|
|
|
|
lca_probe(device_t dev)
|
|
|
|
{
|
|
|
|
if (lca0)
|
|
|
|
return ENXIO;
|
|
|
|
lca0 = dev;
|
1999-04-16 21:22:55 +00:00
|
|
|
device_set_desc(dev, "21066 Core Logic chipset"); /* XXX */
|
|
|
|
|
|
|
|
isa_init_intr();
|
1999-08-10 13:30:25 +00:00
|
|
|
lca_init_sgmap();
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
|
2002-04-17 13:57:50 +00:00
|
|
|
platform.mcheck_handler = lca_machine_check;
|
2005-01-31 23:07:42 +00:00
|
|
|
platform.cpu_idle = lca_cpu_idle;
|
2002-04-17 13:57:50 +00:00
|
|
|
|
1999-12-03 08:41:24 +00:00
|
|
|
device_add_child(dev, "pcib", 0);
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
lca_attach(device_t dev)
|
|
|
|
{
|
|
|
|
lca_init();
|
|
|
|
|
|
|
|
set_iointr(alpha_dispatch_intr);
|
|
|
|
|
1998-12-04 22:54:57 +00:00
|
|
|
snprintf(chipset_type, sizeof(chipset_type), "lca");
|
1998-11-15 18:25:17 +00:00
|
|
|
chipset_bwx = 0;
|
|
|
|
chipset_ports = LCA_PCI_SIO;
|
|
|
|
chipset_memory = LCA_PCI_SPARSE;
|
|
|
|
chipset_dense = LCA_PCI_DENSE;
|
|
|
|
chipset_hae_mask = IOC_HAE_ADDREXT;
|
|
|
|
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
bus_generic_attach(dev);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2002-04-17 13:57:50 +00:00
|
|
|
static void
|
|
|
|
lca_machine_check(unsigned long mces, struct trapframe *framep,
|
|
|
|
unsigned long vector, unsigned long param)
|
|
|
|
{
|
|
|
|
long stat0;
|
|
|
|
|
|
|
|
machine_check(mces, framep, vector, param);
|
|
|
|
/* clear error flags in IOC_STATUS0 register */
|
|
|
|
stat0 = REGVAL64(LCA_IOC_STAT0);
|
|
|
|
REGVAL64(LCA_IOC_STAT0) = stat0;
|
|
|
|
}
|
|
|
|
|
2005-01-31 23:07:42 +00:00
|
|
|
void
|
|
|
|
lca_cpu_idle (void)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* 0x0 = 1
|
|
|
|
* 0x1 = 1.5
|
|
|
|
* 0x2 = 2
|
|
|
|
* 0x3 = 4
|
|
|
|
* 0x4 = 8
|
|
|
|
* 0x5 = 16
|
|
|
|
*/
|
|
|
|
long override = 0x0;
|
|
|
|
long primary = 0x5;
|
|
|
|
long dma_ovr = 1;
|
|
|
|
long intr_ovr = 1;
|
|
|
|
|
|
|
|
REGVAL64(LCA_PMR) =
|
|
|
|
(dma_ovr << 7) | (intr_ovr << 6) | (override << 3) | primary;
|
|
|
|
if (sched_runnable()) {
|
|
|
|
REGVAL64(LCA_PMR) =
|
|
|
|
(override << 3) | override;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
Lots of changes, including:
* Support for AlphaStation 200, 250, 255, 400
* Untested support for UDB, Multia, AXPpci33 (Noname)
* Support for Personal Workstation 433a/433au, 500a/500au, 600a/600au (Miata)
* Some minor fixes and improvements to interrupt handling.
Submitted by: Andrew Gallatin <gallatin@cs.duke.edu> (AS200, Miata)
Obtained from: NetBSD (some code for AS200, Miata, Noname)
1998-08-10 07:53:59 +00:00
|
|
|
DRIVER_MODULE(lca, root, lca_driver, lca_devclass, 0, 0);
|
|
|
|
|