883 lines
27 KiB
C
883 lines
27 KiB
C
/**************************************************************************
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**
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** $Id: pcisupport.c,v 1.46 1997/05/26 15:08:35 se Exp $
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**
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** Device driver for DEC/INTEL PCI chipsets.
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**
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** FreeBSD
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**
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**-------------------------------------------------------------------------
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**
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** Written for FreeBSD by
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** wolf@cologne.de Wolfgang Stanglmeier
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** se@mi.Uni-Koeln.de Stefan Esser
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**
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**-------------------------------------------------------------------------
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**
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** Copyright (c) 1994,1995 Stefan Esser. All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**
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***************************************************************************
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <pci/pcivar.h>
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#include <pci/pcireg.h>
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/*---------------------------------------------------------
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**
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** Intel chipsets for 486 / Pentium processor
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**
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**---------------------------------------------------------
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*/
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static char* chipset_probe (pcici_t tag, pcidi_t type);
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static void chipset_attach(pcici_t tag, int unit);
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static u_long chipset_count;
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static struct pci_device chipset_device = {
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"chip",
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chipset_probe,
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chipset_attach,
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&chipset_count,
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NULL
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};
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DATA_SET (pcidevice_set, chipset_device);
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struct condmsg {
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unsigned char port;
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unsigned char mask;
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unsigned char value;
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char flags;
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const char *text;
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};
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static char*
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generic_pci_bridge (pcici_t tag)
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{
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char *descr, tmpbuf[120];
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unsigned classreg = pci_conf_read (tag, PCI_CLASS_REG);
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if ((classreg & PCI_CLASS_MASK) == PCI_CLASS_BRIDGE) {
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unsigned id = pci_conf_read (tag, PCI_ID_REG);
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switch (classreg >> 16 & 0xff) {
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case 0: strcpy(tmpbuf, "Host to PCI"); break;
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case 1: strcpy(tmpbuf, "PCI to ISA"); break;
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case 2: strcpy(tmpbuf, "PCI to EISA"); break;
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case 4: strcpy(tmpbuf, "PCI to PCI"); break;
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case 5: strcpy(tmpbuf, "PCI to PCMCIA"); break;
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case 7: strcpy(tmpbuf, "PCI to CardBus"); break;
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default:
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sprintf(tmpbuf, "PCI to 0x%x", classreg>>16 & 0xff);
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break;
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}
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sprintf(tmpbuf+strlen(tmpbuf), " bridge (vendor=%04x device=%04x)",
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id & 0xffff, (id >> 16) & 0xffff);
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descr = malloc (strlen(tmpbuf) +1, M_DEVBUF, M_WAITOK);
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strcpy(descr, tmpbuf);
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return descr;
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}
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return 0;
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}
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/*
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* XXX Both fixbushigh_orion() and fixbushigh_i1225() are bogus in that way,
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* that they store the highest bus number to scan in this device's config
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* data, though it is about PCI buses attached to the CPU independently!
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*/
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static void
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fixbushigh_orion(pcici_t tag)
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{
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tag->secondarybus = pci_cfgread(tag, 0x4a, 1);
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tag->subordinatebus = pci_cfgread(tag, 0x4b, 1);
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}
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static void
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fixbushigh_i1225(pcici_t tag)
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{
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int sublementarybus;
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sublementarybus = pci_cfgread(tag, 0x41, 1);
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if (sublementarybus != 0xff)
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tag->secondarybus = tag->subordinatebus = sublementarybus +1;
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}
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static char*
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chipset_probe (pcici_t tag, pcidi_t type)
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{
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unsigned rev;
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char *descr;
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switch (type) {
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case 0x00088086:
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/* Silently ignore this one! What is it, anyway ??? */
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return ("");
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case 0x04868086:
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return ("Intel 82425EX PCI system controller");
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case 0x04848086:
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rev = (unsigned) pci_conf_read (tag, PCI_CLASS_REG) & 0xff;
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if (rev == 3)
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return ("Intel 82378ZB PCI to ISA bridge");
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return ("Intel 82378IB PCI to ISA bridge");
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case 0x04838086:
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return ("Intel 82424ZX (Saturn) cache DRAM controller");
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case 0x04828086:
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return ("Intel 82375EB PCI-EISA bridge");
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case 0x04961039:
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return ("SiS 85c496");
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case 0x04a38086:
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rev = (unsigned) pci_conf_read (tag, PCI_CLASS_REG) & 0xff;
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if (rev == 16 || rev == 17)
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return ("Intel 82434NX (Neptune) PCI cache memory controller");
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return ("Intel 82434LX (Mercury) PCI cache memory controller");
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case 0x12258086:
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fixbushigh_i1225(tag);
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return ("Intel 824?? host to PCI bridge");
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case 0x122d8086:
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return ("Intel 82437FX PCI cache memory controller");
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case 0x122e8086:
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return ("Intel 82371FB PCI to ISA bridge");
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case 0x12308086:
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return ("Intel 82371FB IDE interface");
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case 0x12508086:
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return ("Intel 82439");
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case 0x04061039:
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return ("SiS 85c501");
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case 0x00081039:
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return ("SiS 85c503");
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case 0x06011039:
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return ("SiS 85c601");
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case 0x70008086:
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return ("Intel 82371SB PCI to ISA bridge");
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case 0x70108086:
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return ("Intel 82371SB IDE interface");
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case 0x71108086:
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return ("Intel 82371AB PCI to ISA bridge");
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case 0x71118086:
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return ("Intel 82371AB IDE interface");
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case 0x71128086:
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return ("Intel 82371AB USB host controller");
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case 0x71138086:
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return ("Intel 82371AB power management");
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case 0x70308086:
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return ("Intel 82437VX PCI cache memory controller");
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case 0x12378086:
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return ("Intel 82440FX (Natoma) PCI and memory controller");
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case 0x84c48086:
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fixbushigh_orion(tag);
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return ("Intel 82454KX/GX (Orion) host to PCI bridge");
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case 0x84c58086:
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return ("Intel 82453KX/GX (Orion) PCI memory controller");
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case 0x00221014:
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return ("IBM 82351 PCI-PCI bridge");
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case 0x00011011:
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return ("DEC 21050 PCI-PCI bridge");
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case 0x124b8086:
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return ("Intel 82380FB mobile PCI to PCI bridge");
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};
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if (descr = generic_pci_bridge(tag))
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return descr;
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return NULL;
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}
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#ifndef PCI_QUIET
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#define M_XX 0 /* end of list */
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#define M_EQ 1 /* mask and return true if equal */
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#define M_NE 2 /* mask and return true if not equal */
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#define M_TR 3 /* don't read config, always true */
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#define M_EN 4 /* mask and print "enabled" if true, "disabled" if false */
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#define M_NN 5 /* opposite sense of M_EN */
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static const struct condmsg conf82425ex[] =
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{
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{ 0x00, 0x00, 0x00, M_TR, "\tClock " },
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{ 0x50, 0x06, 0x00, M_EQ, "25" },
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{ 0x50, 0x06, 0x02, M_EQ, "33" },
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{ 0x50, 0x04, 0x04, M_EQ, "??", },
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{ 0x00, 0x00, 0x00, M_TR, "MHz, L1 Cache " },
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{ 0x50, 0x01, 0x00, M_EQ, "Disabled\n" },
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{ 0x50, 0x09, 0x01, M_EQ, "Write-through\n" },
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{ 0x50, 0x09, 0x09, M_EQ, "Write-back\n" },
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{ 0x00, 0x00, 0x00, M_TR, "\tL2 Cache " },
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{ 0x52, 0x07, 0x00, M_EQ, "Disabled" },
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{ 0x52, 0x0f, 0x01, M_EQ, "64KB Write-through" },
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{ 0x52, 0x0f, 0x02, M_EQ, "128KB Write-through" },
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{ 0x52, 0x0f, 0x03, M_EQ, "256KB Write-through" },
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{ 0x52, 0x0f, 0x04, M_EQ, "512KB Write-through" },
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{ 0x52, 0x0f, 0x01, M_EQ, "64KB Write-back" },
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{ 0x52, 0x0f, 0x02, M_EQ, "128KB Write-back" },
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{ 0x52, 0x0f, 0x03, M_EQ, "256KB Write-back" },
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{ 0x52, 0x0f, 0x04, M_EQ, "512KB Write-back" },
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{ 0x53, 0x01, 0x00, M_EQ, ", 3-" },
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{ 0x53, 0x01, 0x01, M_EQ, ", 2-" },
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{ 0x53, 0x06, 0x00, M_EQ, "3-3-3" },
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{ 0x53, 0x06, 0x02, M_EQ, "2-2-2" },
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{ 0x53, 0x06, 0x04, M_EQ, "1-1-1" },
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{ 0x53, 0x06, 0x06, M_EQ, "?-?-?" },
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{ 0x53, 0x18, 0x00, M_EQ, "/4-2-2-2\n" },
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{ 0x53, 0x18, 0x08, M_EQ, "/3-2-2-2\n" },
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{ 0x53, 0x18, 0x10, M_EQ, "/?-?-?-?\n" },
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{ 0x53, 0x18, 0x18, M_EQ, "/2-1-1-1\n" },
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{ 0x56, 0x00, 0x00, M_TR, "\tDRAM: " },
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{ 0x56, 0x02, 0x02, M_EQ, "Fast Code Read, " },
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{ 0x56, 0x04, 0x04, M_EQ, "Fast Data Read, " },
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{ 0x56, 0x08, 0x08, M_EQ, "Fast Write, " },
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{ 0x57, 0x20, 0x20, M_EQ, "Pipelined CAS" },
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{ 0x57, 0x2e, 0x00, M_NE, "\n\t" },
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{ 0x57, 0x00, 0x00, M_TR, "Timing: RAS: " },
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{ 0x57, 0x07, 0x00, M_EQ, "4" },
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{ 0x57, 0x07, 0x01, M_EQ, "3" },
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{ 0x57, 0x07, 0x02, M_EQ, "2" },
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{ 0x57, 0x07, 0x04, M_EQ, "1.5" },
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{ 0x57, 0x07, 0x05, M_EQ, "1" },
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{ 0x57, 0x00, 0x00, M_TR, " Clocks, CAS Read: " },
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{ 0x57, 0x18, 0x00, M_EQ, "3/1", },
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{ 0x57, 0x18, 0x00, M_EQ, "2/1", },
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{ 0x57, 0x18, 0x00, M_EQ, "1.5/0.5", },
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{ 0x57, 0x18, 0x00, M_EQ, "1/1", },
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{ 0x57, 0x00, 0x00, M_TR, ", CAS Write: " },
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{ 0x57, 0x20, 0x00, M_EQ, "2/1", },
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{ 0x57, 0x20, 0x20, M_EQ, "1/1", },
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{ 0x57, 0x00, 0x00, M_TR, "\n" },
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{ 0x40, 0x01, 0x01, M_EQ, "\tCPU-to-PCI Byte Merging\n" },
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{ 0x40, 0x02, 0x02, M_EQ, "\tCPU-to-PCI Bursting\n" },
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{ 0x40, 0x04, 0x04, M_EQ, "\tPCI Posted Writes\n" },
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{ 0x40, 0x20, 0x00, M_EQ, "\tDRAM Parity Disabled\n" },
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{ 0x48, 0x03, 0x01, M_EQ, "\tPCI IDE controller: Primary (1F0h-1F7h,3F6h,3F7h)" },
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{ 0x48, 0x03, 0x02, M_EQ, "\tPCI IDE controller: Secondary (170h-177h,376h,377h)" },
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{ 0x4d, 0x01, 0x01, M_EQ, "\tRTC (70-77h)\n" },
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{ 0x4d, 0x02, 0x02, M_EQ, "\tKeyboard (60,62,64,66h)\n" },
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{ 0x4d, 0x08, 0x08, M_EQ, "\tIRQ12/M Mouse Function\n" },
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/* end marker */
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{ 0 }
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};
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static const struct condmsg conf82424zx[] =
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{
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{ 0x00, 0x00, 0x00, M_TR, "\tCPU: " },
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{ 0x50, 0xe0, 0x00, M_EQ, "486DX" },
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{ 0x50, 0xe0, 0x20, M_EQ, "486SX" },
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{ 0x50, 0xe0, 0x40, M_EQ, "486DX2 or 486DX4" },
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{ 0x50, 0xe0, 0x80, M_EQ, "Overdrive (writeback)" },
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{ 0x00, 0x00, 0x00, M_TR, ", bus=" },
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{ 0x50, 0x03, 0x00, M_EQ, "25MHz" },
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{ 0x50, 0x03, 0x01, M_EQ, "33MHz" },
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{ 0x53, 0x01, 0x01, M_TR, ", CPU->Memory posting "},
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{ 0x53, 0x01, 0x00, M_EQ, "OFF" },
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{ 0x53, 0x01, 0x01, M_EQ, "ON" },
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{ 0x56, 0x30, 0x00, M_NE, "\n\tWarning:" },
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{ 0x56, 0x20, 0x00, M_NE, " NO cache parity!" },
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{ 0x56, 0x10, 0x00, M_NE, " NO DRAM parity!" },
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{ 0x55, 0x04, 0x04, M_EQ, "\n\tWarning: refresh OFF! " },
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{ 0x00, 0x00, 0x00, M_TR, "\n\tCache: " },
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{ 0x52, 0x01, 0x00, M_EQ, "None" },
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{ 0x52, 0xc1, 0x01, M_EQ, "64KB" },
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{ 0x52, 0xc1, 0x41, M_EQ, "128KB" },
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{ 0x52, 0xc1, 0x81, M_EQ, "256KB" },
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{ 0x52, 0xc1, 0xc1, M_EQ, "512KB" },
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{ 0x52, 0x03, 0x01, M_EQ, " writethrough" },
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{ 0x52, 0x03, 0x03, M_EQ, " writeback" },
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{ 0x52, 0x01, 0x01, M_EQ, ", cache clocks=" },
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{ 0x52, 0x05, 0x01, M_EQ, "3-1-1-1" },
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{ 0x52, 0x05, 0x05, M_EQ, "2-1-1-1" },
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{ 0x00, 0x00, 0x00, M_TR, "\n\tDRAM:" },
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{ 0x55, 0x43, 0x00, M_NE, " page mode" },
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{ 0x55, 0x02, 0x02, M_EQ, " code fetch" },
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{ 0x55, 0x43, 0x43, M_EQ, "," },
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{ 0x55, 0x43, 0x42, M_EQ, " and" },
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{ 0x55, 0x40, 0x40, M_EQ, " read" },
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{ 0x55, 0x03, 0x03, M_EQ, " and" },
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{ 0x55, 0x43, 0x41, M_EQ, " and" },
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{ 0x55, 0x01, 0x01, M_EQ, " write" },
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{ 0x55, 0x43, 0x00, M_NE, "," },
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{ 0x00, 0x00, 0x00, M_TR, " memory clocks=" },
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{ 0x55, 0x20, 0x00, M_EQ, "X-2-2-2" },
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{ 0x55, 0x20, 0x20, M_EQ, "X-1-2-1" },
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{ 0x00, 0x00, 0x00, M_TR, "\n\tCPU->PCI: posting " },
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{ 0x53, 0x02, 0x00, M_NE, "ON" },
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{ 0x53, 0x02, 0x00, M_EQ, "OFF" },
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{ 0x00, 0x00, 0x00, M_TR, ", burst mode " },
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{ 0x54, 0x02, 0x00, M_NE, "ON" },
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{ 0x54, 0x02, 0x00, M_EQ, "OFF" },
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{ 0x00, 0x00, 0x00, M_TR, "\n\tPCI->Memory: posting " },
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{ 0x54, 0x01, 0x00, M_NE, "ON" },
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{ 0x54, 0x01, 0x00, M_EQ, "OFF" },
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{ 0x00, 0x00, 0x00, M_TR, "\n" },
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/* end marker */
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{ 0 }
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};
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static const struct condmsg conf82434lx[] =
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{
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{ 0x00, 0x00, 0x00, M_TR, "\tCPU: " },
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{ 0x50, 0xe3, 0x82, M_EQ, "Pentium, 60MHz" },
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{ 0x50, 0xe3, 0x83, M_EQ, "Pentium, 66MHz" },
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{ 0x50, 0xe3, 0xa2, M_EQ, "Pentium, 90MHz" },
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{ 0x50, 0xe3, 0xa3, M_EQ, "Pentium, 100MHz" },
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{ 0x50, 0xc2, 0x82, M_NE, "(unknown)" },
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{ 0x50, 0x04, 0x00, M_EQ, " (primary cache OFF)" },
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{ 0x53, 0x01, 0x01, M_TR, ", CPU->Memory posting "},
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{ 0x53, 0x01, 0x01, M_NE, "OFF" },
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{ 0x53, 0x01, 0x01, M_EQ, "ON" },
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{ 0x53, 0x08, 0x00, M_NE, ", read around write"},
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{ 0x70, 0x04, 0x00, M_EQ, "\n\tWarning: Cache parity disabled!" },
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{ 0x57, 0x20, 0x00, M_NE, "\n\tWarning: DRAM parity mask!" },
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{ 0x57, 0x01, 0x00, M_EQ, "\n\tWarning: refresh OFF! " },
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{ 0x00, 0x00, 0x00, M_TR, "\n\tCache: " },
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{ 0x52, 0x01, 0x00, M_EQ, "None" },
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{ 0x52, 0x81, 0x01, M_EQ, "" },
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{ 0x52, 0xc1, 0x81, M_EQ, "256KB" },
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{ 0x52, 0xc1, 0xc1, M_EQ, "512KB" },
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{ 0x52, 0x03, 0x01, M_EQ, " writethrough" },
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{ 0x52, 0x03, 0x03, M_EQ, " writeback" },
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{ 0x52, 0x01, 0x01, M_EQ, ", cache clocks=" },
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{ 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 char confread (pcici_t config_id, int port)
|
|
{
|
|
unsigned long portw = port & ~3;
|
|
unsigned long ports = (port - portw) << 3;
|
|
|
|
unsigned long l = pci_conf_read (config_id, portw);
|
|
return (l >> ports);
|
|
}
|
|
|
|
static void
|
|
writeconfig (pcici_t config_id, 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 = (unsigned char) confread(config_id, tbl->port);
|
|
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 (pcici_t tag)
|
|
{
|
|
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_conf_read (tag, reg));
|
|
}
|
|
printf ("\n");
|
|
}
|
|
#endif /* DUMPCONFIGSPACE */
|
|
|
|
#endif /* PCI_QUIET */
|
|
|
|
static void
|
|
chipset_attach (pcici_t config_id, int unit)
|
|
{
|
|
#ifndef PCI_QUIET
|
|
if (!bootverbose)
|
|
return;
|
|
|
|
switch (pci_conf_read (config_id, PCI_ID_REG)) {
|
|
case 0x04868086:
|
|
writeconfig (config_id, conf82425ex);
|
|
break;
|
|
case 0x04838086:
|
|
writeconfig (config_id, conf82424zx);
|
|
break;
|
|
case 0x04a38086:
|
|
writeconfig (config_id, conf82434lx);
|
|
break;
|
|
case 0x04848086:
|
|
writeconfig (config_id, conf82378);
|
|
break;
|
|
case 0x122d8086:
|
|
writeconfig (config_id, conf82437fx);
|
|
break;
|
|
case 0x70308086:
|
|
writeconfig (config_id, conf82437vx);
|
|
break;
|
|
case 0x70108086:
|
|
case 0x122e8086:
|
|
writeconfig (config_id, conf82371fb);
|
|
break;
|
|
case 0x12308086:
|
|
writeconfig (config_id, conf82371fb2);
|
|
break;
|
|
#if 0
|
|
case 0x00011011: /* DEC 21050 */
|
|
case 0x00221014: /* IBM xxx */
|
|
writeconfig (config_id, conf_pci2pci);
|
|
break;
|
|
#endif
|
|
};
|
|
#endif /* PCI_QUIET */
|
|
}
|
|
|
|
/*---------------------------------------------------------
|
|
**
|
|
** Catchall driver for VGA devices
|
|
**
|
|
** By Garrett Wollman
|
|
** <wollman@halloran-eldar.lcs.mit.edu>
|
|
**
|
|
**---------------------------------------------------------
|
|
*/
|
|
|
|
static char* vga_probe (pcici_t tag, pcidi_t type);
|
|
static void vga_attach (pcici_t tag, int unit);
|
|
static u_long vga_count;
|
|
|
|
static struct pci_device vga_device = {
|
|
"vga",
|
|
vga_probe,
|
|
vga_attach,
|
|
&vga_count,
|
|
NULL
|
|
};
|
|
|
|
DATA_SET (pcidevice_set, vga_device);
|
|
|
|
static char* vga_probe (pcici_t tag, pcidi_t type)
|
|
{
|
|
int data = pci_conf_read(tag, PCI_CLASS_REG);
|
|
|
|
switch (data & PCI_CLASS_MASK) {
|
|
|
|
case PCI_CLASS_PREHISTORIC:
|
|
if ((data & PCI_SUBCLASS_MASK)
|
|
!= PCI_SUBCLASS_PREHISTORIC_VGA)
|
|
break;
|
|
|
|
case PCI_CLASS_DISPLAY:
|
|
if ((data & PCI_SUBCLASS_MASK)
|
|
== PCI_SUBCLASS_DISPLAY_VGA)
|
|
return ("VGA-compatible display device");
|
|
else
|
|
return ("Display device");
|
|
};
|
|
return ((char*)0);
|
|
}
|
|
|
|
static void vga_attach (pcici_t tag, int unit)
|
|
{
|
|
/*
|
|
** 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
|
|
}
|
|
|
|
/*---------------------------------------------------------
|
|
**
|
|
** Hook for loadable pci drivers
|
|
**
|
|
**---------------------------------------------------------
|
|
*/
|
|
|
|
static char* lkm_probe (pcici_t tag, pcidi_t type);
|
|
static void lkm_attach (pcici_t tag, int unit);
|
|
static u_long lkm_count;
|
|
|
|
static struct pci_device lkm_device = {
|
|
"lkm",
|
|
lkm_probe,
|
|
lkm_attach,
|
|
&lkm_count,
|
|
NULL
|
|
};
|
|
|
|
DATA_SET (pcidevice_set, lkm_device);
|
|
|
|
static char*
|
|
lkm_probe (pcici_t tag, pcidi_t type)
|
|
{
|
|
/*
|
|
** Not yet!
|
|
** (Should try to load a matching driver)
|
|
*/
|
|
return ((char*)0);
|
|
}
|
|
|
|
static void
|
|
lkm_attach (pcici_t tag, int unit)
|
|
{}
|
|
|
|
/*---------------------------------------------------------
|
|
**
|
|
** Devices to ignore
|
|
**
|
|
**---------------------------------------------------------
|
|
*/
|
|
|
|
static char* ign_probe (pcici_t tag, pcidi_t type);
|
|
static void ign_attach (pcici_t tag, int unit);
|
|
static u_long ign_count;
|
|
|
|
static struct pci_device ign_device = {
|
|
NULL,
|
|
ign_probe,
|
|
ign_attach,
|
|
&ign_count,
|
|
NULL
|
|
};
|
|
|
|
DATA_SET (pcidevice_set, ign_device);
|
|
|
|
static char*
|
|
ign_probe (pcici_t tag, pcidi_t type)
|
|
{
|
|
switch (type) {
|
|
|
|
case 0x10001042ul: /* wd */
|
|
return ("");
|
|
/* return ("SMC FDC 37c665");*/
|
|
};
|
|
return ((char*)0);
|
|
}
|
|
|
|
static void
|
|
ign_attach (pcici_t tag, int unit)
|
|
{}
|