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freebsd-src/sys/pci/pcisupport.c
Andrew Gallatin aa6de8e012 Add support for multiple PCI "hoses" used on various alpha platforms. 
The specific intent of this commit is to pave the way for importing
Compaq XP1000 support.  These changes should not affect the i386 port.

Reviewed by: Doug Rabson <dfr@nlsystems.com>
(actually, he walked me through most of it & deserves more than reviewd-by
credit )
1999-05-20 15:33:33 +00:00

1634 lines
45 KiB
C
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/**************************************************************************
**
** $Id: pcisupport.c,v 1.111 1999/05/11 07:55:31 peter 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 <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;
};
/*
* 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 */
const char *
ide_pci_match(device_t dev)
{
u_int32_t data;
data = pci_read_config(dev, PCI_CLASS_REG, 4);
if (pci_get_class(dev) == PCIC_STORAGE &&
(pci_get_subclass(dev) == PCIS_STORAGE_IDE ||
pci_get_subclass(dev) == PCIS_STORAGE_RAID)) {
switch (pci_get_devid(dev)) {
case 0x12308086:
return "Intel PIIX IDE controller";
case 0x70108086:
return "Intel PIIX3 IDE controller";
case 0x71118086:
return "Intel PIIX4 IDE controller";
case 0x4d33105a:
return "Promise Ultra/33 IDE controller";
case 0x522910b9:
return "AcerLabs Aladdin IDE controller";
case 0x05711106:
return "VIA Apollo IDE controller";
case 0x06401095:
return "CMD 640 IDE controller";
case 0x06461095:
return "CMD 646 IDE controller";
case 0xc6931080:
return "Cypress 82C693 IDE controller";
case 0x01021078:
return "Cyrix 5530 IDE controller";
case 0x55131039:
return ("SiS 5591 IDE Controller");
default:
return "Unknown PCI IDE controller";
}
}
return NULL;
}
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)) {
/* Intel -- vendor 0x8086 */
case 0x84cb8086:
return ("Intel 82454NX PCI Expander 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");
/* Others */
case 0x00221014:
return ("IBM 82351 PCI-PCI bridge");
case 0x00011011:
return ("DEC 21050 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 int
pcib_read_ivar(device_t dev, device_t child, int which, u_long *result)
{
if (which == PCIB_IVAR_HOSE) {
/*
* Pass up to parent bus.
*/
*result = pci_get_hose(dev);
return(0);
}
return ENOENT;
}
static device_method_t pcib_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pcib_probe),
DEVMETHOD(device_attach, pcib_attach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_read_ivar, pcib_read_ivar),
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,
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");
/* Cyrix -- vendor 0x1078 */
case 0x00001078:
return ("Cyrix Cx5510 PCI-ISA bridge");
case 0x01001078:
return ("Cyrix Cx5530 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 - yet! */
if (is_eisa && !devclass_get_device(devclass_find("eisa"), 0))
device_add_child(dev, "eisa", -1, 0);
/* Don't bother adding more than one ISA bus - yet! */
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),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
/* 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,
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)) {
/* Intel -- vendor 0x8086 */
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 82439HX PCI cache memory controller");
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");
case 0x55911039:
return ("SiS 5591 host to PCI bridge");
case 0x00011039:
return ("SiS 5591 host to AGP bridge");
/* 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");
case 0x05711106:
return("VIA 82C586B IDE controller");
case 0x30381106:
return("VIA 82C586B USB controller");
/* 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");
case 0x710110b9:
return ("AcerLabs M15x3 Power Management Unit");
/* Ross (?) -- vendor 0x1166 */
case 0x00051166:
fixbushigh_Ross(dev);
return ("Ross (?) host to PCI 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 == NULL)
desc = ide_pci_match(dev);
if (desc) {
device_set_desc_copy(dev, desc);
return -100; /* Low match priority */
}
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,
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)
{
u_int id = pci_get_devid(dev);
const char *vendor, *chip, *type;
vendor = chip = type = 0;
switch (id & 0xffff) {
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.
*/
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 -100; /* Low match priority */
}
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-pci",
vga_methods,
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,
1,
};
static devclass_t ign_devclass;
DRIVER_MODULE(ign, pci, ign_driver, ign_devclass, 0, 0);
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