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freebsd/sys/pci/pcisupport.c
KATO Takenori 275d4ec481 Recognize PC-98 16-bits bus (C-bus) as ISA bus. Because class number 
of the C-bus is not assigned, PCI to C-bus bridges were recognized as
generic PCI bridges.
1999-04-20 11:36:36 +00:00

1603 lines
44 KiB
C
Raw Blame History

/**************************************************************************
**
** $Id: pcisupport.c,v 1.99 1999/04/18 18:44:21 jkh Exp $
**
** Device driver for DEC/INTEL PCI chipsets.
**
** FreeBSD
**
**-------------------------------------------------------------------------
**
** Written for FreeBSD by
** wolf@cologne.de Wolfgang Stanglmeier
** se@mi.Uni-Koeln.de Stefan Esser
**
**-------------------------------------------------------------------------
**
** Copyright (c) 1994,1995 Stefan Esser. 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.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
**
***************************************************************************
*/
#include "opt_bus.h"
#include "opt_pci.h"
#include "opt_smp.h"
#include "intpm.h"
#include "alpm.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <pci/pcivar.h>
#include <pci/pcireg.h>
#include <vm/vm.h>
#include <vm/vm_object.h>
#include <vm/pmap.h>
/*---------------------------------------------------------
**
** Intel chipsets for 486 / Pentium processor
**
**---------------------------------------------------------
*/
static void chipset_attach(device_t dev, int unit);
struct condmsg {
unsigned char port;
unsigned char mask;
unsigned char value;
char flags;
const char *text;
};
static char*
generic_pci_bridge (pcici_t tag)
{
char *descr, tmpbuf[120];
unsigned classreg = pci_conf_read (tag, PCI_CLASS_REG);
if ((classreg & PCI_CLASS_MASK) == PCI_CLASS_BRIDGE) {
unsigned id = pci_conf_read (tag, PCI_ID_REG);
switch (classreg >> 16 & 0xff) {
case 0: strcpy(tmpbuf, "Host to PCI"); break;
case 1: strcpy(tmpbuf, "PCI to ISA"); break;
case 2: strcpy(tmpbuf, "PCI to EISA"); break;
case 4: strcpy(tmpbuf, "PCI to PCI"); break;
case 5: strcpy(tmpbuf, "PCI to PCMCIA"); break;
case 7: strcpy(tmpbuf, "PCI to CardBus"); break;
default:
snprintf(tmpbuf, sizeof(tmpbuf),
"PCI to 0x%x", classreg>>16 & 0xff);
break;
}
snprintf(tmpbuf+strlen(tmpbuf), sizeof(tmpbuf)-strlen(tmpbuf),
" bridge (vendor=%04x device=%04x)",
id & 0xffff, (id >> 16) & 0xffff);
descr = malloc (strlen(tmpbuf) +1, M_DEVBUF, M_WAITOK);
strcpy(descr, tmpbuf);
return descr;
}
return 0;
}
/*
* XXX Both fixbushigh_orion() and fixbushigh_i1225() are bogus in that way,
* that they store the highest bus number to scan in this device's config
* data, though it is about PCI buses attached to the CPU independently!
* The same goes for fixbushigh_450nx.
*/
static void
fixbushigh_orion(device_t dev)
{
pci_set_secondarybus(dev, pci_read_config(dev, 0x4a, 1));
pci_set_subordinatebus(dev, pci_read_config(dev, 0x4b, 1));
}
static void
fixbushigh_i1225(device_t dev)
{
int sublementarybus;
sublementarybus = pci_read_config(dev, 0x41, 1);
if (sublementarybus != 0xff) {
pci_set_secondarybus(dev, sublementarybus + 1);
pci_set_subordinatebus(dev, sublementarybus + 1);
}
}
/*
* This reads the PCI config space for the 82451NX MIOC in the 450NX
* chipset to determine the PCI bus configuration.
*
* Assuming the BIOS has set up the MIOC properly, this will correctly
* report the number of PCI busses in the system.
*
* A small problem is that the Host to PCI bridge control is in the MIOC,
* while the host-pci bridges are separate PCI devices. So it really
* isn't easily possible to set up the subordinatebus mappings as the
* 82454NX PCI expander bridges are probed, although that makes the
* most sense.
*/
static void
fixbushigh_450nx(device_t dev)
{
int subordinatebus;
unsigned long devmap;
/*
* Read the DEVMAP field, so we know which fields to check.
* If the Host-PCI bridge isn't marked as present by the BIOS,
* we have to assume it doesn't exist.
* If this doesn't find all the PCI busses, complain to the
* BIOS vendor. There is nothing more we can do.
*/
devmap = pci_read_config(dev, 0xd6, 2) & 0x3c;
if (!devmap)
panic("450NX MIOC: No host to PCI bridges marked present.\n");
/*
* Since the buses are configured in order, we just have to
* find the highest bus, and use those numbers.
*/
if (devmap & 0x20) { /* B1 */
subordinatebus = pci_read_config(dev, 0xd5, 1);
} else if (devmap & 0x10) { /* A1 */
subordinatebus = pci_read_config(dev, 0xd4, 1);
} else if (devmap & 0x8) { /* B0 */
subordinatebus = pci_read_config(dev, 0xd2, 1);
} else /* if (devmap & 0x4) */ { /* A0 */
subordinatebus = pci_read_config(dev, 0xd1, 1);
}
if (subordinatebus == 255) {
printf("fixbushigh_450nx: bogus highest PCI bus %d",
subordinatebus);
#ifdef NBUS
subordinatebus = NBUS - 2;
#else
subordinatebus = 10;
#endif
printf(", reduced to %d\n", subordinatebus);
}
if (bootverbose)
printf("fixbushigh_450nx: subordinatebus is %d\n",
subordinatebus);
pci_set_secondarybus(dev, subordinatebus);
pci_set_subordinatebus(dev, subordinatebus);
}
static void
fixbushigh_Ross(device_t dev)
{
int secondarybus;
/* just guessing the secondary bus register number ... */
secondarybus = pci_read_config(dev, 0x45, 1);
if (secondarybus != 0) {
pci_set_secondarybus(dev, secondarybus + 1);
pci_set_subordinatebus(dev, secondarybus + 1);
}
}
static void
fixwsc_natoma(device_t dev)
{
int pmccfg;
pmccfg = pci_read_config(dev, 0x50, 2);
#if defined(SMP)
if (pmccfg & 0x8000) {
printf("Correcting Natoma config for SMP\n");
pmccfg &= ~0x8000;
pci_write_config(dev, 0x50, 2, pmccfg);
}
#else
if ((pmccfg & 0x8000) == 0) {
printf("Correcting Natoma config for non-SMP\n");
pmccfg |= 0x8000;
pci_write_config(dev, 0x50, 2, pmccfg);
}
#endif
}
#ifndef PCI_QUIET
#define M_XX 0 /* end of list */
#define M_EQ 1 /* mask and return true if equal */
#define M_NE 2 /* mask and return true if not equal */
#define M_TR 3 /* don't read config, always true */
#define M_EN 4 /* mask and print "enabled" if true, "disabled" if false */
#define M_NN 5 /* opposite sense of M_EN */
static const struct condmsg conf82425ex[] =
{
{ 0x00, 0x00, 0x00, M_TR, "\tClock " },
{ 0x50, 0x06, 0x00, M_EQ, "25" },
{ 0x50, 0x06, 0x02, M_EQ, "33" },
{ 0x50, 0x04, 0x04, M_EQ, "??", },
{ 0x00, 0x00, 0x00, M_TR, "MHz, L1 Cache " },
{ 0x50, 0x01, 0x00, M_EQ, "Disabled\n" },
{ 0x50, 0x09, 0x01, M_EQ, "Write-through\n" },
{ 0x50, 0x09, 0x09, M_EQ, "Write-back\n" },
{ 0x00, 0x00, 0x00, M_TR, "\tL2 Cache " },
{ 0x52, 0x07, 0x00, M_EQ, "Disabled" },
{ 0x52, 0x0f, 0x01, M_EQ, "64KB Write-through" },
{ 0x52, 0x0f, 0x02, M_EQ, "128KB Write-through" },
{ 0x52, 0x0f, 0x03, M_EQ, "256KB Write-through" },
{ 0x52, 0x0f, 0x04, M_EQ, "512KB Write-through" },
{ 0x52, 0x0f, 0x01, M_EQ, "64KB Write-back" },
{ 0x52, 0x0f, 0x02, M_EQ, "128KB Write-back" },
{ 0x52, 0x0f, 0x03, M_EQ, "256KB Write-back" },
{ 0x52, 0x0f, 0x04, M_EQ, "512KB Write-back" },
{ 0x53, 0x01, 0x00, M_EQ, ", 3-" },
{ 0x53, 0x01, 0x01, M_EQ, ", 2-" },
{ 0x53, 0x06, 0x00, M_EQ, "3-3-3" },
{ 0x53, 0x06, 0x02, M_EQ, "2-2-2" },
{ 0x53, 0x06, 0x04, M_EQ, "1-1-1" },
{ 0x53, 0x06, 0x06, M_EQ, "?-?-?" },
{ 0x53, 0x18, 0x00, M_EQ, "/4-2-2-2\n" },
{ 0x53, 0x18, 0x08, M_EQ, "/3-2-2-2\n" },
{ 0x53, 0x18, 0x10, M_EQ, "/?-?-?-?\n" },
{ 0x53, 0x18, 0x18, M_EQ, "/2-1-1-1\n" },
{ 0x56, 0x00, 0x00, M_TR, "\tDRAM: " },
{ 0x56, 0x02, 0x02, M_EQ, "Fast Code Read, " },
{ 0x56, 0x04, 0x04, M_EQ, "Fast Data Read, " },
{ 0x56, 0x08, 0x08, M_EQ, "Fast Write, " },
{ 0x57, 0x20, 0x20, M_EQ, "Pipelined CAS" },
{ 0x57, 0x2e, 0x00, M_NE, "\n\t" },
{ 0x57, 0x00, 0x00, M_TR, "Timing: RAS: " },
{ 0x57, 0x07, 0x00, M_EQ, "4" },
{ 0x57, 0x07, 0x01, M_EQ, "3" },
{ 0x57, 0x07, 0x02, M_EQ, "2" },
{ 0x57, 0x07, 0x04, M_EQ, "1.5" },
{ 0x57, 0x07, 0x05, M_EQ, "1" },
{ 0x57, 0x00, 0x00, M_TR, " Clocks, CAS Read: " },
{ 0x57, 0x18, 0x00, M_EQ, "3/1", },
{ 0x57, 0x18, 0x00, M_EQ, "2/1", },
{ 0x57, 0x18, 0x00, M_EQ, "1.5/0.5", },
{ 0x57, 0x18, 0x00, M_EQ, "1/1", },
{ 0x57, 0x00, 0x00, M_TR, ", CAS Write: " },
{ 0x57, 0x20, 0x00, M_EQ, "2/1", },
{ 0x57, 0x20, 0x20, M_EQ, "1/1", },
{ 0x57, 0x00, 0x00, M_TR, "\n" },
{ 0x40, 0x01, 0x01, M_EQ, "\tCPU-to-PCI Byte Merging\n" },
{ 0x40, 0x02, 0x02, M_EQ, "\tCPU-to-PCI Bursting\n" },
{ 0x40, 0x04, 0x04, M_EQ, "\tPCI Posted Writes\n" },
{ 0x40, 0x20, 0x00, M_EQ, "\tDRAM Parity Disabled\n" },
{ 0x48, 0x03, 0x01, M_EQ, "\tPCI IDE controller: Primary (1F0h-1F7h,3F6h,3F7h)" },
{ 0x48, 0x03, 0x02, M_EQ, "\tPCI IDE controller: Secondary (170h-177h,376h,377h)" },
{ 0x4d, 0x01, 0x01, M_EQ, "\tRTC (70-77h)\n" },
{ 0x4d, 0x02, 0x02, M_EQ, "\tKeyboard (60,62,64,66h)\n" },
{ 0x4d, 0x08, 0x08, M_EQ, "\tIRQ12/M Mouse Function\n" },
/* end marker */
{ 0 }
};
static const struct condmsg conf82424zx[] =
{
{ 0x00, 0x00, 0x00, M_TR, "\tCPU: " },
{ 0x50, 0xe0, 0x00, M_EQ, "486DX" },
{ 0x50, 0xe0, 0x20, M_EQ, "486SX" },
{ 0x50, 0xe0, 0x40, M_EQ, "486DX2 or 486DX4" },
{ 0x50, 0xe0, 0x80, M_EQ, "Overdrive (writeback)" },
{ 0x00, 0x00, 0x00, M_TR, ", bus=" },
{ 0x50, 0x03, 0x00, M_EQ, "25MHz" },
{ 0x50, 0x03, 0x01, M_EQ, "33MHz" },
{ 0x53, 0x01, 0x01, M_TR, ", CPU->Memory posting "},
{ 0x53, 0x01, 0x00, M_EQ, "OFF" },
{ 0x53, 0x01, 0x01, M_EQ, "ON" },
{ 0x56, 0x30, 0x00, M_NE, "\n\tWarning:" },
{ 0x56, 0x20, 0x00, M_NE, " NO cache parity!" },
{ 0x56, 0x10, 0x00, M_NE, " NO DRAM parity!" },
{ 0x55, 0x04, 0x04, M_EQ, "\n\tWarning: refresh OFF! " },
{ 0x00, 0x00, 0x00, M_TR, "\n\tCache: " },
{ 0x52, 0x01, 0x00, M_EQ, "None" },
{ 0x52, 0xc1, 0x01, M_EQ, "64KB" },
{ 0x52, 0xc1, 0x41, M_EQ, "128KB" },
{ 0x52, 0xc1, 0x81, M_EQ, "256KB" },
{ 0x52, 0xc1, 0xc1, M_EQ, "512KB" },
{ 0x52, 0x03, 0x01, M_EQ, " writethrough" },
{ 0x52, 0x03, 0x03, M_EQ, " writeback" },
{ 0x52, 0x01, 0x01, M_EQ, ", cache clocks=" },
{ 0x52, 0x05, 0x01, M_EQ, "3-1-1-1" },
{ 0x52, 0x05, 0x05, M_EQ, "2-1-1-1" },
{ 0x00, 0x00, 0x00, M_TR, "\n\tDRAM:" },
{ 0x55, 0x43, 0x00, M_NE, " page mode" },
{ 0x55, 0x02, 0x02, M_EQ, " code fetch" },
{ 0x55, 0x43, 0x43, M_EQ, "," },
{ 0x55, 0x43, 0x42, M_EQ, " and" },
{ 0x55, 0x40, 0x40, M_EQ, " read" },
{ 0x55, 0x03, 0x03, M_EQ, " and" },
{ 0x55, 0x43, 0x41, M_EQ, " and" },
{ 0x55, 0x01, 0x01, M_EQ, " write" },
{ 0x55, 0x43, 0x00, M_NE, "," },
{ 0x00, 0x00, 0x00, M_TR, " memory clocks=" },
{ 0x55, 0x20, 0x00, M_EQ, "X-2-2-2" },
{ 0x55, 0x20, 0x20, M_EQ, "X-1-2-1" },
{ 0x00, 0x00, 0x00, M_TR, "\n\tCPU->PCI: posting " },
{ 0x53, 0x02, 0x00, M_NE, "ON" },
{ 0x53, 0x02, 0x00, M_EQ, "OFF" },
{ 0x00, 0x00, 0x00, M_TR, ", burst mode " },
{ 0x54, 0x02, 0x00, M_NE, "ON" },
{ 0x54, 0x02, 0x00, M_EQ, "OFF" },
{ 0x00, 0x00, 0x00, M_TR, "\n\tPCI->Memory: posting " },
{ 0x54, 0x01, 0x00, M_NE, "ON" },
{ 0x54, 0x01, 0x00, M_EQ, "OFF" },
{ 0x00, 0x00, 0x00, M_TR, "\n" },
/* end marker */
{ 0 }
};
static const struct condmsg conf82434lx[] =
{
{ 0x00, 0x00, 0x00, M_TR, "\tCPU: " },
{ 0x50, 0xe3, 0x82, M_EQ, "Pentium, 60MHz" },
{ 0x50, 0xe3, 0x83, M_EQ, "Pentium, 66MHz" },
{ 0x50, 0xe3, 0xa2, M_EQ, "Pentium, 90MHz" },
{ 0x50, 0xe3, 0xa3, M_EQ, "Pentium, 100MHz" },
{ 0x50, 0xc2, 0x82, M_NE, "(unknown)" },
{ 0x50, 0x04, 0x00, M_EQ, " (primary cache OFF)" },
{ 0x53, 0x01, 0x01, M_TR, ", CPU->Memory posting "},
{ 0x53, 0x01, 0x01, M_NE, "OFF" },
{ 0x53, 0x01, 0x01, M_EQ, "ON" },
{ 0x53, 0x08, 0x00, M_NE, ", read around write"},
{ 0x70, 0x04, 0x00, M_EQ, "\n\tWarning: Cache parity disabled!" },
{ 0x57, 0x20, 0x00, M_NE, "\n\tWarning: DRAM parity mask!" },
{ 0x57, 0x01, 0x00, M_EQ, "\n\tWarning: refresh OFF! " },
{ 0x00, 0x00, 0x00, M_TR, "\n\tCache: " },
{ 0x52, 0x01, 0x00, M_EQ, "None" },
{ 0x52, 0x81, 0x01, M_EQ, "" },
{ 0x52, 0xc1, 0x81, M_EQ, "256KB" },
{ 0x52, 0xc1, 0xc1, M_EQ, "512KB" },
{ 0x52, 0x03, 0x01, M_EQ, " writethrough" },
{ 0x52, 0x03, 0x03, M_EQ, " writeback" },
{ 0x52, 0x01, 0x01, M_EQ, ", cache clocks=" },
{ 0x52, 0x21, 0x01, M_EQ, "3-2-2-2/4-2-2-2" },
{ 0x52, 0x21, 0x21, M_EQ, "3-1-1-1" },
{ 0x52, 0x01, 0x01, M_EQ, "\n\tCache flags: " },
{ 0x52, 0x11, 0x11, M_EQ, " cache-all" },
{ 0x52, 0x09, 0x09, M_EQ, " byte-control" },
{ 0x52, 0x05, 0x05, M_EQ, " powersaver" },
{ 0x00, 0x00, 0x00, M_TR, "\n\tDRAM:" },
{ 0x57, 0x10, 0x00, M_EQ, " page mode" },
{ 0x00, 0x00, 0x00, M_TR, " memory clocks=" },
{ 0x57, 0xc0, 0x00, M_EQ, "X-4-4-4 (70ns)" },
{ 0x57, 0xc0, 0x40, M_EQ, "X-4-4-4/X-3-3-3 (60ns)" },
{ 0x57, 0xc0, 0x80, M_EQ, "???" },
{ 0x57, 0xc0, 0xc0, M_EQ, "X-3-3-3 (50ns)" },
{ 0x58, 0x02, 0x02, M_EQ, ", RAS-wait" },
{ 0x58, 0x01, 0x01, M_EQ, ", CAS-wait" },
{ 0x00, 0x00, 0x00, M_TR, "\n\tCPU->PCI: posting " },
{ 0x53, 0x02, 0x02, M_EQ, "ON" },
{ 0x53, 0x02, 0x00, M_EQ, "OFF" },
{ 0x00, 0x00, 0x00, M_TR, ", burst mode " },
{ 0x54, 0x02, 0x00, M_NE, "ON" },
{ 0x54, 0x02, 0x00, M_EQ, "OFF" },
{ 0x54, 0x04, 0x00, M_TR, ", PCI clocks=" },
{ 0x54, 0x04, 0x00, M_EQ, "2-2-2-2" },
{ 0x54, 0x04, 0x00, M_NE, "2-1-1-1" },
{ 0x00, 0x00, 0x00, M_TR, "\n\tPCI->Memory: posting " },
{ 0x54, 0x01, 0x00, M_NE, "ON" },
{ 0x54, 0x01, 0x00, M_EQ, "OFF" },
{ 0x57, 0x01, 0x01, M_EQ, "\n\tRefresh:" },
{ 0x57, 0x03, 0x03, M_EQ, " CAS#/RAS#(Hidden)" },
{ 0x57, 0x03, 0x01, M_EQ, " RAS#Only" },
{ 0x57, 0x05, 0x05, M_EQ, " BurstOf4" },
{ 0x00, 0x00, 0x00, M_TR, "\n" },
/* end marker */
{ 0 }
};
static const struct condmsg conf82378[] =
{
{ 0x00, 0x00, 0x00, M_TR, "\tBus Modes:" },
{ 0x41, 0x04, 0x04, M_EQ, " Bus Park," },
{ 0x41, 0x02, 0x02, M_EQ, " Bus Lock," },
{ 0x41, 0x02, 0x00, M_EQ, " Resource Lock," },
{ 0x41, 0x01, 0x01, M_EQ, " GAT" },
{ 0x4d, 0x20, 0x20, M_EQ, "\n\tCoprocessor errors enabled" },
{ 0x4d, 0x10, 0x10, M_EQ, "\n\tMouse function enabled" },
{ 0x4e, 0x30, 0x10, M_EQ, "\n\tIDE controller: Primary (1F0h-1F7h,3F6h,3F7h)" },
{ 0x4e, 0x30, 0x30, M_EQ, "\n\tIDE controller: Secondary (170h-177h,376h,377h)" },
{ 0x4e, 0x28, 0x08, M_EQ, "\n\tFloppy controller: 3F0h,3F1h " },
{ 0x4e, 0x24, 0x04, M_EQ, "\n\tFloppy controller: 3F2h-3F7h " },
{ 0x4e, 0x28, 0x28, M_EQ, "\n\tFloppy controller: 370h,371h " },
{ 0x4e, 0x24, 0x24, M_EQ, "\n\tFloppy controller: 372h-377h " },
{ 0x4e, 0x02, 0x02, M_EQ, "\n\tKeyboard controller: 60h,62h,64h,66h" },
{ 0x4e, 0x01, 0x01, M_EQ, "\n\tRTC: 70h-77h" },
{ 0x4f, 0x80, 0x80, M_EQ, "\n\tConfiguration RAM: 0C00h,0800h-08FFh" },
{ 0x4f, 0x40, 0x40, M_EQ, "\n\tPort 92: enabled" },
{ 0x4f, 0x03, 0x00, M_EQ, "\n\tSerial Port A: COM1 (3F8h-3FFh)" },
{ 0x4f, 0x03, 0x01, M_EQ, "\n\tSerial Port A: COM2 (2F8h-2FFh)" },
{ 0x4f, 0x0c, 0x00, M_EQ, "\n\tSerial Port B: COM1 (3F8h-3FFh)" },
{ 0x4f, 0x0c, 0x04, M_EQ, "\n\tSerial Port B: COM2 (2F8h-2FFh)" },
{ 0x4f, 0x30, 0x00, M_EQ, "\n\tParallel Port: LPT1 (3BCh-3BFh)" },
{ 0x4f, 0x30, 0x04, M_EQ, "\n\tParallel Port: LPT2 (378h-37Fh)" },
{ 0x4f, 0x30, 0x20, M_EQ, "\n\tParallel Port: LPT3 (278h-27Fh)" },
{ 0x00, 0x00, 0x00, M_TR, "\n" },
/* end marker */
{ 0 }
};
static const struct condmsg conf82437fx[] =
{
/* PCON -- PCI Control Register */
{ 0x00, 0x00, 0x00, M_TR, "\tCPU Inactivity timer: " },
{ 0x50, 0xe0, 0xe0, M_EQ, "8" },
{ 0x50, 0xe0, 0xd0, M_EQ, "7" },
{ 0x50, 0xe0, 0xc0, M_EQ, "6" },
{ 0x50, 0xe0, 0xb0, M_EQ, "5" },
{ 0x50, 0xe0, 0xa0, M_EQ, "4" },
{ 0x50, 0xe0, 0x90, M_EQ, "3" },
{ 0x50, 0xe0, 0x80, M_EQ, "2" },
{ 0x50, 0xe0, 0x00, M_EQ, "1" },
{ 0x00, 0x00, 0x00, M_TR, " clocks\n\tPeer Concurrency: " },
{ 0x50, 0x08, 0x08, M_EN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n\tCPU-to-PCI Write Bursting: " },
{ 0x50, 0x04, 0x00, M_NN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n\tPCI Streaming: " },
{ 0x50, 0x02, 0x00, M_NN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n\tBus Concurrency: " },
{ 0x50, 0x01, 0x00, M_NN, 0 },
/* CC -- Cache Control Regsiter */
{ 0x00, 0x00, 0x00, M_TR, "\n\tCache:" },
{ 0x52, 0xc0, 0x80, M_EQ, " 512K" },
{ 0x52, 0xc0, 0x40, M_EQ, " 256K" },
{ 0x52, 0xc0, 0x00, M_EQ, " NO" },
{ 0x52, 0x30, 0x00, M_EQ, " pipelined-burst" },
{ 0x52, 0x30, 0x10, M_EQ, " burst" },
{ 0x52, 0x30, 0x20, M_EQ, " asynchronous" },
{ 0x52, 0x30, 0x30, M_EQ, " dual-bank pipelined-burst" },
{ 0x00, 0x00, 0x00, M_TR, " secondary; L1 " },
{ 0x52, 0x01, 0x00, M_EN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n" },
/* DRAMC -- DRAM Control Register */
{ 0x57, 0x07, 0x00, M_EQ, "Warning: refresh OFF!\n" },
{ 0x00, 0x00, 0x00, M_TR, "\tDRAM:" },
{ 0x57, 0xc0, 0x00, M_EQ, " no memory hole" },
{ 0x57, 0xc0, 0x40, M_EQ, " 512K-640K memory hole" },
{ 0x57, 0xc0, 0x80, M_EQ, " 15M-16M memory hole" },
{ 0x57, 0x07, 0x01, M_EQ, ", 50 MHz refresh" },
{ 0x57, 0x07, 0x02, M_EQ, ", 60 MHz refresh" },
{ 0x57, 0x07, 0x03, M_EQ, ", 66 MHz refresh" },
/* DRAMT = DRAM Timing Register */
{ 0x00, 0x00, 0x00, M_TR, "\n\tRead burst timing: " },
{ 0x58, 0x60, 0x00, M_EQ, "x-4-4-4/x-4-4-4" },
{ 0x58, 0x60, 0x20, M_EQ, "x-3-3-3/x-4-4-4" },
{ 0x58, 0x60, 0x40, M_EQ, "x-2-2-2/x-3-3-3" },
{ 0x58, 0x60, 0x60, M_EQ, "???" },
{ 0x00, 0x00, 0x00, M_TR, "\n\tWrite burst timing: " },
{ 0x58, 0x18, 0x00, M_EQ, "x-4-4-4" },
{ 0x58, 0x18, 0x08, M_EQ, "x-3-3-3" },
{ 0x58, 0x18, 0x10, M_EQ, "x-2-2-2" },
{ 0x58, 0x18, 0x18, M_EQ, "???" },
{ 0x00, 0x00, 0x00, M_TR, "\n\tRAS-CAS delay: " },
{ 0x58, 0x04, 0x00, M_EQ, "3" },
{ 0x58, 0x04, 0x04, M_EQ, "2" },
{ 0x00, 0x00, 0x00, M_TR, " clocks\n" },
/* end marker */
{ 0 }
};
static const struct condmsg conf82437vx[] =
{
/* PCON -- PCI Control Register */
{ 0x00, 0x00, 0x00, M_TR, "\n\tPCI Concurrency: " },
{ 0x50, 0x08, 0x08, M_EN, 0 },
/* CC -- Cache Control Regsiter */
{ 0x00, 0x00, 0x00, M_TR, "\n\tCache:" },
{ 0x52, 0xc0, 0x80, M_EQ, " 512K" },
{ 0x52, 0xc0, 0x40, M_EQ, " 256K" },
{ 0x52, 0xc0, 0x00, M_EQ, " NO" },
{ 0x52, 0x30, 0x00, M_EQ, " pipelined-burst" },
{ 0x52, 0x30, 0x10, M_EQ, " burst" },
{ 0x52, 0x30, 0x20, M_EQ, " asynchronous" },
{ 0x52, 0x30, 0x30, M_EQ, " dual-bank pipelined-burst" },
{ 0x00, 0x00, 0x00, M_TR, " secondary; L1 " },
{ 0x52, 0x01, 0x00, M_EN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n" },
/* DRAMC -- DRAM Control Register */
{ 0x57, 0x07, 0x00, M_EQ, "Warning: refresh OFF!\n" },
{ 0x00, 0x00, 0x00, M_TR, "\tDRAM:" },
{ 0x57, 0xc0, 0x00, M_EQ, " no memory hole" },
{ 0x57, 0xc0, 0x40, M_EQ, " 512K-640K memory hole" },
{ 0x57, 0xc0, 0x80, M_EQ, " 15M-16M memory hole" },
{ 0x57, 0x07, 0x01, M_EQ, ", 50 MHz refresh" },
{ 0x57, 0x07, 0x02, M_EQ, ", 60 MHz refresh" },
{ 0x57, 0x07, 0x03, M_EQ, ", 66 MHz refresh" },
/* DRAMT = DRAM Timing Register */
{ 0x00, 0x00, 0x00, M_TR, "\n\tRead burst timing: " },
{ 0x58, 0x60, 0x00, M_EQ, "x-4-4-4/x-4-4-4" },
{ 0x58, 0x60, 0x20, M_EQ, "x-3-3-3/x-4-4-4" },
{ 0x58, 0x60, 0x40, M_EQ, "x-2-2-2/x-3-3-3" },
{ 0x58, 0x60, 0x60, M_EQ, "???" },
{ 0x00, 0x00, 0x00, M_TR, "\n\tWrite burst timing: " },
{ 0x58, 0x18, 0x00, M_EQ, "x-4-4-4" },
{ 0x58, 0x18, 0x08, M_EQ, "x-3-3-3" },
{ 0x58, 0x18, 0x10, M_EQ, "x-2-2-2" },
{ 0x58, 0x18, 0x18, M_EQ, "???" },
{ 0x00, 0x00, 0x00, M_TR, "\n\tRAS-CAS delay: " },
{ 0x58, 0x04, 0x00, M_EQ, "3" },
{ 0x58, 0x04, 0x04, M_EQ, "2" },
{ 0x00, 0x00, 0x00, M_TR, " clocks\n" },
/* end marker */
{ 0 }
};
static const struct condmsg conf82371fb[] =
{
/* IORT -- ISA I/O Recovery Timer Register */
{ 0x00, 0x00, 0x00, M_TR, "\tI/O Recovery Timing: 8-bit " },
{ 0x4c, 0x40, 0x00, M_EQ, "3.5" },
{ 0x4c, 0x78, 0x48, M_EQ, "1" },
{ 0x4c, 0x78, 0x50, M_EQ, "2" },
{ 0x4c, 0x78, 0x58, M_EQ, "3" },
{ 0x4c, 0x78, 0x60, M_EQ, "4" },
{ 0x4c, 0x78, 0x68, M_EQ, "5" },
{ 0x4c, 0x78, 0x70, M_EQ, "6" },
{ 0x4c, 0x78, 0x78, M_EQ, "7" },
{ 0x4c, 0x78, 0x40, M_EQ, "8" },
{ 0x00, 0x00, 0x00, M_TR, " clocks, 16-bit " },
{ 0x4c, 0x04, 0x00, M_EQ, "3.5" },
{ 0x4c, 0x07, 0x05, M_EQ, "1" },
{ 0x4c, 0x07, 0x06, M_EQ, "2" },
{ 0x4c, 0x07, 0x07, M_EQ, "3" },
{ 0x4c, 0x07, 0x04, M_EQ, "4" },
{ 0x00, 0x00, 0x00, M_TR, " clocks\n" },
/* XBCS -- X-Bus Chip Select Register */
{ 0x00, 0x00, 0x00, M_TR, "\tExtended BIOS: " },
{ 0x4e, 0x80, 0x80, M_EN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n\tLower BIOS: " },
{ 0x4e, 0x40, 0x40, M_EN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n\tCoprocessor IRQ13: " },
{ 0x4e, 0x20, 0x20, M_EN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n\tMouse IRQ12: " },
{ 0x4e, 0x10, 0x10, M_EN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n" },
{ 0x00, 0x00, 0x00, M_TR, "\tInterrupt Routing: " },
#define PIRQ(x, n) \
{ 0x00, 0x00, 0x00, M_TR, n ": " }, \
{ x, 0x80, 0x80, M_EQ, "disabled" }, \
{ x, 0xc0, 0x40, M_EQ, "[shared] " }, \
{ x, 0x8f, 0x03, M_EQ, "IRQ3" }, \
{ x, 0x8f, 0x04, M_EQ, "IRQ4" }, \
{ x, 0x8f, 0x05, M_EQ, "IRQ5" }, \
{ x, 0x8f, 0x06, M_EQ, "IRQ6" }, \
{ x, 0x8f, 0x07, M_EQ, "IRQ7" }, \
{ x, 0x8f, 0x09, M_EQ, "IRQ9" }, \
{ x, 0x8f, 0x0a, M_EQ, "IRQ10" }, \
{ x, 0x8f, 0x0b, M_EQ, "IRQ11" }, \
{ x, 0x8f, 0x0c, M_EQ, "IRQ12" }, \
{ x, 0x8f, 0x0e, M_EQ, "IRQ14" }, \
{ x, 0x8f, 0x0f, M_EQ, "IRQ15" }
/* Interrupt routing */
PIRQ(0x60, "A"),
PIRQ(0x61, ", B"),
PIRQ(0x62, ", C"),
PIRQ(0x63, ", D"),
PIRQ(0x70, "\n\t\tMB0"),
PIRQ(0x71, ", MB1"),
{ 0x00, 0x00, 0x00, M_TR, "\n" },
#undef PIRQ
/* XXX - do DMA routing, too? */
{ 0 }
};
static const struct condmsg conf82371fb2[] =
{
/* IDETM -- IDE Timing Register */
{ 0x00, 0x00, 0x00, M_TR, "\tPrimary IDE: " },
{ 0x41, 0x80, 0x80, M_EN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n\tSecondary IDE: " },
{ 0x43, 0x80, 0x80, M_EN, 0 },
{ 0x00, 0x00, 0x00, M_TR, "\n" },
/* end of list */
{ 0 }
};
static void
writeconfig (device_t dev, const struct condmsg *tbl)
{
while (tbl->flags != M_XX) {
const char *text = 0;
if (tbl->flags == M_TR) {
text = tbl->text;
} else {
unsigned char v = pci_read_config(dev, tbl->port, 1);
switch (tbl->flags) {
case M_EQ:
if ((v & tbl->mask) == tbl->value) text = tbl->text;
break;
case M_NE:
if ((v & tbl->mask) != tbl->value) text = tbl->text;
break;
case M_EN:
text = (v & tbl->mask) ? "enabled" : "disabled";
break;
case M_NN:
text = (v & tbl->mask) ? "disabled" : "enabled";
}
}
if (text) printf ("%s", text);
tbl++;
}
}
#ifdef DUMPCONFIGSPACE
static void
dumpconfigspace (device_t dev)
{
int reg;
printf ("configuration space registers:");
for (reg = 0; reg < 0x100; reg+=4) {
if ((reg & 0x0f) == 0)
printf ("\n%02x:\t", reg);
printf ("%08x ", pci_read_config(dev, reg, 4));
}
printf ("\n");
}
#endif /* DUMPCONFIGSPACE */
#endif /* PCI_QUIET */
static void
chipset_attach (device_t dev, int unit)
{
#ifndef PCI_QUIET
if (!bootverbose)
return;
switch (pci_get_devid(dev)) {
case 0x04868086:
writeconfig (dev, conf82425ex);
break;
case 0x04838086:
writeconfig (dev, conf82424zx);
break;
case 0x04a38086:
writeconfig (dev, conf82434lx);
break;
case 0x04848086:
writeconfig (dev, conf82378);
break;
case 0x122d8086:
writeconfig (dev, conf82437fx);
break;
case 0x70308086:
writeconfig (dev, conf82437vx);
break;
case 0x70008086:
case 0x122e8086:
writeconfig (dev, conf82371fb);
break;
case 0x70108086:
case 0x12308086:
writeconfig (dev, conf82371fb2);
break;
#if 0
case 0x00011011: /* DEC 21050 */
case 0x00221014: /* IBM xxx */
writeconfig (dev, conf_pci2pci);
break;
#endif
};
#endif /* PCI_QUIET */
}
static const char *
pci_bridge_type(device_t dev)
{
char *descr, tmpbuf[120];
if (pci_get_class(dev) != PCIC_BRIDGE)
return NULL;
switch (pci_get_subclass(dev)) {
case PCIS_BRIDGE_HOST: strcpy(tmpbuf, "Host to PCI"); break;
case PCIS_BRIDGE_ISA: strcpy(tmpbuf, "PCI to ISA"); break;
case PCIS_BRIDGE_EISA: strcpy(tmpbuf, "PCI to EISA"); break;
case PCIS_BRIDGE_MCA: strcpy(tmpbuf, "PCI to MCA"); break;
case PCIS_BRIDGE_PCI: strcpy(tmpbuf, "PCI to PCI"); break;
case PCIS_BRIDGE_PCMCIA: strcpy(tmpbuf, "PCI to PCMCIA"); break;
case PCIS_BRIDGE_NUBUS: strcpy(tmpbuf, "PCI to NUBUS"); break;
case PCIS_BRIDGE_CARDBUS: strcpy(tmpbuf, "PCI to CardBus"); break;
default:
snprintf(tmpbuf, sizeof(tmpbuf),
"PCI to 0x%x", pci_get_subclass(dev));
break;
}
snprintf(tmpbuf+strlen(tmpbuf), sizeof(tmpbuf)-strlen(tmpbuf),
" bridge (vendor=%04x device=%04x)",
pci_get_vendor(dev), pci_get_device(dev));
descr = malloc (strlen(tmpbuf) +1, M_DEVBUF, M_WAITOK);
strcpy(descr, tmpbuf);
return descr;
}
static const char*
pcib_match(device_t dev)
{
switch (pci_get_devid(dev)) {
case 0x84cb8086:
return ("Intel 82454NX PCI Expander Bridge");
case 0x00221014:
return ("IBM 82351 PCI-PCI bridge");
case 0x00011011:
return ("DEC 21050 PCI-PCI bridge");
case 0x124b8086:
return ("Intel 82380FB mobile PCI to PCI bridge");
/* VLSI -- vendor 0x1004 */
case 0x01021004:
return ("VLSI 82C534 Eagle II PCI Bus bridge");
case 0x01031004:
return ("VLSI 82C538 Eagle II PCI Docking bridge");
/* XXX Here is MVP3, I got the datasheet but NO M/B to test it */
/* totally. Please let me know if anything wrong. -F */
case 0x85981106:
return("VIA 82C598MVP (Apollo MVP3) PCI-PCI bridge");
/* AcerLabs -- vendor 0x10b9 */
/* Funny : The datasheet told me vendor id is "10b8",sub-vendor */
/* id is '10b9" but the register always shows "10b9". -Foxfair */
case 0x524710b9:
return("AcerLabs M5247 PCI-PCI(AGP Supported) bridge");
case 0x524310b9:/* 5243 seems like 5247, need more info to divide*/
return("AcerLabs M5243 PCI-PCI bridge");
};
if (pci_get_class(dev) == PCIC_BRIDGE
&& pci_get_subclass(dev) == PCIS_BRIDGE_PCI)
return pci_bridge_type(dev);
return NULL;
}
static int pcib_probe(device_t dev)
{
const char *desc;
desc = pcib_match(dev);
if (desc) {
device_set_desc_copy(dev, desc);
return 0;
}
return ENXIO;
}
static int pcib_attach(device_t dev)
{
struct pci_devinfo *dinfo;
pcicfgregs *cfg;
dinfo = device_get_ivars(dev);
cfg = &dinfo->cfg;
chipset_attach(dev, device_get_unit(dev));
if (cfg->secondarybus) {
device_add_child(dev, "pci", cfg->secondarybus, 0);
return bus_generic_attach(dev);
} else
return 0;
}
static device_method_t pcib_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pcib_probe),
DEVMETHOD(device_attach, pcib_attach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
{ 0, 0 }
};
static driver_t pcib_driver = {
"pcib",
pcib_methods,
DRIVER_TYPE_MISC,
1,
};
static devclass_t pcib_devclass;
DRIVER_MODULE(pcib, pci, pcib_driver, pcib_devclass, 0, 0);
static const char *
eisab_match(device_t dev)
{
switch (pci_get_devid(dev)) {
case 0x04828086:
/* Recognize this specifically, it has PCI-HOST class (!) */
return ("Intel 82375EB PCI-EISA bridge");
}
return NULL;
}
static const char *
isab_match(device_t dev)
{
unsigned rev;
switch (pci_get_devid(dev)) {
case 0x04848086:
rev = pci_get_revid(dev);
if (rev == 3)
return ("Intel 82378ZB PCI to ISA bridge");
return ("Intel 82378IB PCI to ISA bridge");
case 0x122e8086:
return ("Intel 82371FB PCI to ISA bridge");
case 0x70008086:
return ("Intel 82371SB PCI to ISA bridge");
case 0x71108086:
return ("Intel 82371AB PCI to ISA bridge");
/* VLSI -- vendor 0x1004 */
case 0x00061004:
return ("VLSI 82C593 PCI to ISA bridge");
/* VIA Technologies -- vendor 0x1106
* Note that the old Apollo Master chipset is not in here, as VIA
* does not seem to have any docs on their website for it, and I do
* not have a Master board in my posession. -LC */
case 0x05861106: /* south bridge section -- IDE is covered in ide_pci.c */
return("VIA 82C586 PCI-ISA bridge");
/* AcerLabs -- vendor 0x10b9 */
/* Funny : The datasheet told me vendor id is "10b8",sub-vendor */
/* id is '10b9" but the register always shows "10b9". -Foxfair */
case 0x153310b9:
return("AcerLabs M1533 portable PCI-ISA bridge");
case 0x154310b9:
return("AcerLabs M1543 desktop PCI-ISA bridge");
/* SiS -- vendor 0x1039 */
case 0x00081039:
return ("SiS 85c503 PCI-ISA bridge");
/* NEC -- vendor 0x1033 */
/* The "C-bus" is 16-bits bus on PC98. */
case 0x00011033:
return ("NEC 0001 PCI to PC-98 C-bus bridge");
case 0x002c1033:
return ("NEC 002C PCI to PC-98 C-bus bridge");
case 0x003b1033:
return ("NEC 003B PCI to PC-98 C-bus bridge");
}
if (pci_get_class(dev) == PCIC_BRIDGE
&& (pci_get_subclass(dev) == PCIS_BRIDGE_ISA
|| pci_get_subclass(dev) == PCIS_BRIDGE_EISA))
return pci_bridge_type(dev);
return NULL;
}
static int
isab_probe(device_t dev)
{
const char *desc;
int is_eisa;
is_eisa = 0;
desc = eisab_match(dev);
if (desc)
is_eisa = 1;
else
desc = isab_match(dev);
if (desc) {
device_set_desc_copy(dev, desc);
/* In case of a generic EISA bridge */
if (pci_get_subclass(dev) == PCIS_BRIDGE_EISA)
is_eisa = 1;
/* For PCI-EISA bridge, add both eisa and isa */
/* Don't bother adding more than one EISA bus */
if (is_eisa && !devclass_get_device(devclass_find("isa"), 0))
device_add_child(dev, "eisa", -1, 0);
/* Don't bother adding more than one ISA bus */
if (!devclass_get_device(devclass_find("isa"), 0))
device_add_child(dev, "isa", -1, 0);
return 0;
}
return ENXIO;
}
static device_method_t isab_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, isab_probe),
DEVMETHOD(device_attach, bus_generic_attach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
{ 0, 0 }
};
static driver_t isab_driver = {
"isab",
isab_methods,
DRIVER_TYPE_MISC,
1,
};
static devclass_t isab_devclass;
DRIVER_MODULE(isab, pci, isab_driver, isab_devclass, 0, 0);
static const char*
chip_match(device_t dev)
{
unsigned rev;
switch (pci_get_devid(dev)) {
case 0x00088086:
/* Silently ignore this one! What is it, anyway ??? */
return ("");
case 0x71108086:
/*
* On my laptop (Tecra 8000DVD), this device has a
* bogus subclass 0x80 so make sure that it doesn't
* match the generic 'chip' driver by accident.
*/
return NULL;
case 0x12258086:
fixbushigh_i1225(dev);
return ("Intel 824?? host to PCI bridge");
case 0x71908086:
return ("Intel 82443BX host to PCI bridge");
case 0x71918086:
return ("Intel 82443BX host to AGP bridge");
case 0x71928086:
return ("Intel 82443BX host to PCI bridge (AGP disabled)");
case 0x71a08086:
return ("Intel 82443GX host to PCI bridge");
case 0x71a18086:
return ("Intel 82443GX host to AGP bridge");
case 0x71a28086:
return ("Intel 82443GX host to PCI bridge (AGP disabled)");
case 0x84c48086:
fixbushigh_orion(dev);
return ("Intel 82454KX/GX (Orion) host to PCI bridge");
case 0x84ca8086:
fixbushigh_450nx(dev);
return ("Intel 82451NX Memory and I/O Controller");
case 0x04868086:
return ("Intel 82425EX PCI system controller");
case 0x04838086:
return ("Intel 82424ZX (Saturn) cache DRAM controller");
case 0x04a38086:
rev = pci_get_revid(dev);
if (rev == 16 || rev == 17)
return ("Intel 82434NX (Neptune) PCI cache memory controller");
return ("Intel 82434LX (Mercury) PCI cache memory controller");
case 0x122d8086:
return ("Intel 82437FX PCI cache memory controller");
case 0x12348086:
return ("Intel 82371MX mobile PCI I/O IDE accelerator (MPIIX)");
case 0x12358086:
return ("Intel 82437MX mobile PCI cache memory controller");
case 0x12508086:
return ("Intel 82439");
case 0x70308086:
return ("Intel 82437VX PCI cache memory controller");
case 0x71008086:
return ("Intel 82439TX System Controller (MTXC)");
case 0x71138086:
return ("Intel 82371AB Power management controller");
case 0x12378086:
fixwsc_natoma(dev);
return ("Intel 82440FX (Natoma) PCI and memory controller");
case 0x84c58086:
return ("Intel 82453KX/GX (Orion) PCI memory controller");
/* SiS -- vendor 0x1039 */
case 0x04961039:
return ("SiS 85c496");
case 0x04061039:
return ("SiS 85c501");
case 0x06011039:
return ("SiS 85c601");
/* VLSI -- vendor 0x1004 */
case 0x00051004:
return ("VLSI 82C592 Host to PCI bridge");
case 0x01011004:
return ("VLSI 82C532 Eagle II Peripheral Controller");
case 0x01041004:
return ("VLSI 82C535 Eagle II System Controller");
case 0x01051004:
return ("VLSI 82C147 IrDA Controller");
/* VIA Technologies -- vendor 0x1106
* Note that the old Apollo Master chipset is not in here, as VIA
* does not seem to have any docs on their website for it, and I do
* not have a Master board in my posession. -LC */
case 0x05851106:
return("VIA 82C585 (Apollo VP1/VPX) system controller");
case 0x05951106:
case 0x15951106:
return("VIA 82C595 (Apollo VP2) system controller");
case 0x05971106:
return("VIA 82C597 (Apollo VP3) system controller");
/* XXX Here is MVP3, I got the datasheet but NO M/B to test it */
/* totally. Please let me know if anything wrong. -F */
/* XXX need info on the MVP3 -- any takers? */
case 0x05981106:
return("VIA 82C598MVP (Apollo MVP3) host bridge");
case 0x30401106:
return("VIA 82C586B ACPI interface");
#if 0
/* XXX New info added-in */
case 0x05711106:
return("VIA 82C586B IDE controller");
case 0x30381106:
return("VIA 82C586B USB controller");
#endif
/* NEC -- vendor 0x1033 */
case 0x00021033:
return ("NEC 0002 PCI to PC-98 local bus bridge");
case 0x00161033:
return ("NEC 0016 PCI to PC-98 local bus bridge");
/* AcerLabs -- vendor 0x10b9 */
/* Funny : The datasheet told me vendor id is "10b8",sub-vendor */
/* id is '10b9" but the register always shows "10b9". -Foxfair */
case 0x154110b9:
return("AcerLabs M1541 (Aladdin-V) PCI host bridge");
/* NEC -- vendor 0x1033 */
/* PCI to C-bus bridge */
/* The following chipsets are PCI to PC98 C-bus bridge.
* The C-bus is the 16-bits bus on PC98 and it should be probed as
* PCI to ISA bridge. Because class of the C-bus is not defined,
* C-bus bridges are recognized as "other bridge." To make C-bus
* bridge be recognized as ISA bridge, this function returns NULL.
*/
case 0x00011033:
case 0x002c1033:
case 0x003b1033:
return NULL;
};
if (pci_get_class(dev) == PCIC_BRIDGE
&& pci_get_subclass(dev) != PCIS_BRIDGE_PCI
&& pci_get_subclass(dev) != PCIS_BRIDGE_ISA
&& pci_get_subclass(dev) != PCIS_BRIDGE_EISA)
return pci_bridge_type(dev);
return NULL;
}
static int chip_probe(device_t dev)
{
const char *desc;
desc = chip_match(dev);
if (desc) {
device_set_desc_copy(dev, desc);
return 0;
}
return ENXIO;
}
static int chip_attach(device_t dev)
{
chipset_attach(dev, device_get_unit(dev));
return 0;
}
static device_method_t chip_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, chip_probe),
DEVMETHOD(device_attach, chip_attach),
{ 0, 0 }
};
static driver_t chip_driver = {
"chip",
chip_methods,
DRIVER_TYPE_MISC,
1,
};
static devclass_t chip_devclass;
DRIVER_MODULE(chip, pci, chip_driver, chip_devclass, 0, 0);
/*---------------------------------------------------------
**
** Catchall driver for VGA devices
**
** By Garrett Wollman
** <wollman@halloran-eldar.lcs.mit.edu>
**
**---------------------------------------------------------
*/
static const char* vga_match(device_t dev)
{
/* int data = pci_conf_read(tag, PCI_CLASS_REG); */
u_int id = pci_get_devid(dev);
const char *vendor, *chip, *type;
return 0; /* XXX interferes with syscons */
vendor = chip = type = 0;
switch (id) {
case 0x10c8:
vendor = "NeoMagic";
switch (id >> 16) {
case 0x0004:
chip = "NM2160 laptop"; break;
}
break;
case 0x102b:
vendor = "Matrox";
type = "graphics accelerator";
switch (id >> 16) {
case 0x0518:
chip = "MGA 2085PX"; break;
case 0x0519:
chip = "MGA 2064W"; break;
case 0x051a:
chip = "MGA 1024SG/1064SG/1164SG"; break;
case 0x051b:
chip = "MGA 2164W"; break;
}
break;
case 0x1002:
vendor = "ATI";
type = "graphics accelerator";
switch (id >> 16) {
case 0x4158:
chip = "Mach32"; break;
case 0x4758:
chip = "Mach64-GX"; break;
case 0x4358:
chip = "Mach64-CX"; break;
case 0x4354:
chip = "Mach64-CT"; break;
case 0x4554:
chip = "Mach64-ET"; break;
case 0x5654:
chip = "Mach64-VT"; break;
case 0x4754:
chip = "Mach64-GT"; break;
}
break;
case 0x1005:
vendor = "Avance Logic";
switch (id >> 16) {
case 0x2301:
chip = "ALG2301"; break;
}
break;
case 0x100c:
vendor = "Tseng Labs";
type = "graphics accelerator";
switch (id >> 16) {
case 0x3202:
case 0x3205:
case 0x3206:
case 0x3207:
chip = "ET4000 W32P"; break;
case 0x3208:
chip = "ET6000"; break;
case 0x4702:
chip = "ET6300"; break;
}
break;
case 0x100e:
vendor = "Weitek";
type = "graphics accelerator";
switch (id >> 16) {
case 0x9001:
chip = "P9000"; break;
case 0x9100:
chip = "P9100"; break;
}
break;
case 0x1013:
vendor = "Cirrus Logic";
switch (id >> 16) {
case 0x0038:
chip = "GD7548"; break;
case 0x00a0:
chip = "GD5430"; break;
case 0x00a4:
case 0x00a8:
chip = "GD5434"; break;
case 0x00ac:
chip = "GD5436"; break;
case 0x00b8:
chip = "GD5446"; break;
case 0x00d0:
chip = "GD5462"; break;
case 0x00d4:
chip = "GD5464"; break;
case 0x1200:
chip = "GD7542"; break;
case 0x1202:
chip = "GD7543"; break;
case 0x1204:
chip = "GD7541"; break;
}
break;
case 0x1023:
vendor = "Trident";
break; /* let default deal with it */
case 0x102c:
vendor = "Chips & Technologies";
if ((id >> 16) == 0x00d8)
chip = "65545";
break;
case 0x1033:
vendor = "NEC";
switch (id >> 16) {
case 0x0009:
type = "PCI to PC-98 Core Graph bridge";
break;
}
break;
case 0x1039:
vendor = "SiS";
switch (id >> 16) {
case 0x0001:
chip = "86c201"; break;
case 0x0002:
chip = "86c202"; break;
case 0x0205:
chip = "86c205"; break;
}
break;
case 0x105d:
vendor = "Number Nine";
type = "graphics accelerator";
switch (id >> 16) {
case 0x2309:
case 0x2339:
chip = "Imagine 128"; break;
}
break;
case 0x1142:
vendor = "Alliance";
switch (id >> 16) {
case 0x3210:
chip = "PM6410"; break;
case 0x6422:
chip = "PM6422"; break;
case 0x6424:
chip = "PMAT24"; break;
}
break;
case 0x1236:
vendor = "Sigma Designs";
if ((id >> 16) == 0x6401)
chip = "64GX";
break;
case 0x5333:
vendor = "S3";
type = "graphics accelerator";
switch (id >> 16) {
case 0x8811:
chip = "Trio"; break;
case 0x8812:
chip = "Aurora 64"; break;
case 0x8814:
case 0x8901:
chip = "Trio 64"; break;
case 0x8902:
chip = "Plato"; break;
case 0x8880:
chip = "868"; break;
case 0x88b0:
chip = "928"; break;
case 0x88c0:
case 0x88c1:
chip = "864"; break;
case 0x88d0:
case 0x88d1:
chip = "964"; break;
case 0x88f0:
chip = "968"; break;
case 0x5631:
chip = "ViRGE"; break;
case 0x883d:
chip = "ViRGE VX"; break;
case 0x8a01:
chip = "ViRGE DX/GX"; break;
}
break;
case 0xedd8:
vendor = "ARK Logic";
switch (id >> 16) {
case 0xa091:
chip = "1000PV"; break;
case 0xa099:
chip = "2000PV"; break;
case 0xa0a1:
chip = "2000MT"; break;
case 0xa0a9:
chip = "2000MI"; break;
}
break;
case 0x3d3d:
vendor = "3D Labs";
type = "graphics accelerator";
switch (id >> 16) {
case 0x0001:
chip = "300SX"; break;
case 0x0002:
chip = "500TX"; break;
case 0x0003:
chip = "Delta"; break;
case 0x0004:
chip = "PerMedia"; break;
}
break;
}
if (vendor && chip) {
char *buf;
int len;
if (type == 0) {
type = "SVGA controller";
}
len = strlen(vendor) + strlen(chip) + strlen(type) + 4;
MALLOC(buf, char *, len, M_TEMP, M_NOWAIT);
if (buf)
sprintf(buf, "%s %s %s", vendor, chip, type);
return buf;
}
switch (pci_get_class(dev)) {
case PCIC_OLD:
if (pci_get_subclass(dev) != PCIS_OLD_VGA)
return 0;
if (type == 0)
type = "VGA-compatible display device";
break;
case PCIC_DISPLAY:
if (type == 0) {
if (pci_get_subclass(dev) != PCIS_DISPLAY_VGA)
type = "VGA-compatible display device";
else {
/*
* If it isn't a vga display device,
* don't pretend we found one.
*/
type = "Display device";
return 0;
}
}
break;
default:
return 0;
};
/*
* If we got here, we know for sure it's some sort of display
* device, but we weren't able to identify it specifically.
* At a minimum we can return the type, but we'd like to
* identify the vendor and chip ID if at all possible.
* (Some of the checks above intentionally don't bother for
* vendors where we know the chip ID is the same as the
* model number.)
*/
if (vendor) {
char *buf;
int len;
len = strlen(vendor) + strlen(type) + 2 + 6 + 4 + 1;
MALLOC(buf, char *, len, M_TEMP, M_NOWAIT);
if (buf)
sprintf(buf, "%s model %04x %s", vendor, id >> 16, type);
return buf;
}
return type;
}
static int vga_probe(device_t dev)
{
const char *desc;
desc = vga_match(dev);
if (desc) {
device_set_desc(dev, desc);
return 0;
}
return ENXIO;
}
static int vga_attach(device_t dev)
{
/*
** If the assigned addresses are remapped,
** the console driver has to be informed about the new address.
*/
#if 0
vm_offset_t va;
vm_offset_t pa;
int reg;
for (reg = PCI_MAP_REG_START; reg < PCI_MAP_REG_END; reg += 4)
(void) pci_map_mem (tag, reg, &va, &pa);
#endif
return 0;
}
static device_method_t vga_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, vga_probe),
DEVMETHOD(device_attach, vga_attach),
{ 0, 0 }
};
static driver_t vga_driver = {
"vga",
vga_methods,
DRIVER_TYPE_MISC,
1,
};
static devclass_t vga_devclass;
DRIVER_MODULE(vga, pci, vga_driver, vga_devclass, 0, 0);
/*---------------------------------------------------------
**
** Devices to ignore
**
**---------------------------------------------------------
*/
static int
ign_probe (device_t dev)
{
switch (pci_get_devid(dev)) {
case 0x10001042ul: /* wd */
return 0;
/* return ("SMC FDC 37c665");*/
};
return ENXIO;
}
static int
ign_attach (device_t dev)
{
return 0;
}
static device_method_t ign_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ign_probe),
DEVMETHOD(device_attach, ign_attach),
{ 0, 0 }
};
static driver_t ign_driver = {
"ign",
ign_methods,
DRIVER_TYPE_MISC,
1,
};
static devclass_t ign_devclass;
DRIVER_MODULE(ign, pci, ign_driver, ign_devclass, 0, 0);
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