PCI: Remove non-pciaccess path for x86.
This commit is contained in:
parent
a67360e79f
commit
5bb86bafd6
11
configure.ac
11
configure.ac
|
@ -1220,7 +1220,6 @@ AC_MSG_RESULT([$XORG])
|
||||||
|
|
||||||
xorg_bus_linuxpci=no
|
xorg_bus_linuxpci=no
|
||||||
xorg_bus_bsdpci=no
|
xorg_bus_bsdpci=no
|
||||||
xorg_bus_ix86pci=no
|
|
||||||
xorg_bus_sparc=no
|
xorg_bus_sparc=no
|
||||||
|
|
||||||
if test "x$XORG" = xyes; then
|
if test "x$XORG" = xyes; then
|
||||||
|
@ -1357,15 +1356,6 @@ if test "x$XORG" = xyes; then
|
||||||
sparc*)
|
sparc*)
|
||||||
xorg_bus_sparc="yes"
|
xorg_bus_sparc="yes"
|
||||||
;;
|
;;
|
||||||
i*86|x86_64*|amd64*)
|
|
||||||
case $host_os in
|
|
||||||
*bsd*|linux*|solaris*)
|
|
||||||
;;
|
|
||||||
*)
|
|
||||||
xorg_bus_ix86pci="yes"
|
|
||||||
;;
|
|
||||||
esac
|
|
||||||
;;
|
|
||||||
esac
|
esac
|
||||||
|
|
||||||
if test "x$XORG_OS_PCI" = x ; then
|
if test "x$XORG_OS_PCI" = x ; then
|
||||||
|
@ -1459,7 +1449,6 @@ fi
|
||||||
AM_CONDITIONAL([XORG], [test "x$XORG" = xyes])
|
AM_CONDITIONAL([XORG], [test "x$XORG" = xyes])
|
||||||
AM_CONDITIONAL([XORG_BUS_LINUXPCI], [test "x$xorg_bus_linuxpci" = xyes])
|
AM_CONDITIONAL([XORG_BUS_LINUXPCI], [test "x$xorg_bus_linuxpci" = xyes])
|
||||||
AM_CONDITIONAL([XORG_BUS_BSDPCI], [test "x$xorg_bus_bsdpci" = xyes])
|
AM_CONDITIONAL([XORG_BUS_BSDPCI], [test "x$xorg_bus_bsdpci" = xyes])
|
||||||
AM_CONDITIONAL([XORG_BUS_IX86PCI], [test "x$xorg_bus_ix86pci" = xyes])
|
|
||||||
AM_CONDITIONAL([XORG_BUS_SPARC], [test "x$xorg_bus_sparc" = xyes])
|
AM_CONDITIONAL([XORG_BUS_SPARC], [test "x$xorg_bus_sparc" = xyes])
|
||||||
AM_CONDITIONAL([LINUX_IA64], [test "x$linux_ia64" = xyes])
|
AM_CONDITIONAL([LINUX_IA64], [test "x$linux_ia64" = xyes])
|
||||||
AM_CONDITIONAL([LINUX_ALPHA], [test "x$linux_alpha" = xyes])
|
AM_CONDITIONAL([LINUX_ALPHA], [test "x$linux_alpha" = xyes])
|
||||||
|
|
|
@ -11,10 +11,6 @@ if XORG_BUS_BSDPCI
|
||||||
PCI_SOURCES += bsd_pci.c
|
PCI_SOURCES += bsd_pci.c
|
||||||
endif
|
endif
|
||||||
|
|
||||||
if XORG_BUS_IX86PCI
|
|
||||||
PCI_SOURCES += ix86Pci.c
|
|
||||||
endif
|
|
||||||
|
|
||||||
if XORG_BUS_SPARC
|
if XORG_BUS_SPARC
|
||||||
PLATFORM_SOURCES = Sbus.c
|
PLATFORM_SOURCES = Sbus.c
|
||||||
sdk_HEADERS += xf86Sbus.h
|
sdk_HEADERS += xf86Sbus.h
|
||||||
|
|
|
@ -187,13 +187,6 @@
|
||||||
#define ARCH_PCI_INIT linuxPciInit
|
#define ARCH_PCI_INIT linuxPciInit
|
||||||
#endif /* defined(linux) */
|
#endif /* defined(linux) */
|
||||||
|
|
||||||
#if !defined(ARCH_PCI_INIT)
|
|
||||||
#warning You really need to port to libpciaccess.
|
|
||||||
#if defined(__i386__) || defined(__i386) || defined(__amd64__) || defined(__amd64)
|
|
||||||
#define ARCH_PCI_INIT ix86PciInit
|
|
||||||
#endif /* i386/amd64 */
|
|
||||||
#endif /* !defined(ARCH_PCI_INIT) */
|
|
||||||
|
|
||||||
#ifndef ARCH_PCI_INIT
|
#ifndef ARCH_PCI_INIT
|
||||||
#error No PCI support available for this architecture/OS combination
|
#error No PCI support available for this architecture/OS combination
|
||||||
#endif
|
#endif
|
||||||
|
|
|
@ -1,484 +0,0 @@
|
||||||
/*
|
|
||||||
* ix86Pci.c - x86 PCI driver
|
|
||||||
*
|
|
||||||
* The XFree86 server PCI access functions have been reimplemented as a
|
|
||||||
* framework that allows each supported platform/OS to have their own
|
|
||||||
* platform/OS specific PCI driver.
|
|
||||||
*
|
|
||||||
* Most of the code of these functions was simply lifted from the
|
|
||||||
* Intel architecture specifric portion of the original Xfree86
|
|
||||||
* PCI code in hw/xfree86/common_hw/xf86_PCI.C...
|
|
||||||
*
|
|
||||||
* Gary Barton
|
|
||||||
* Concurrent Computer Corporation
|
|
||||||
* garyb@gate.net
|
|
||||||
*/
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Copyright 1998 by Concurrent Computer Corporation
|
|
||||||
*
|
|
||||||
* Permission to use, copy, modify, distribute, and sell this software
|
|
||||||
* and its documentation for any purpose is hereby granted without fee,
|
|
||||||
* provided that the above copyright notice appear in all copies and that
|
|
||||||
* both that copyright notice and this permission notice appear in
|
|
||||||
* supporting documentation, and that the name of Concurrent Computer
|
|
||||||
* Corporation not be used in advertising or publicity pertaining to
|
|
||||||
* distribution of the software without specific, written prior
|
|
||||||
* permission. Concurrent Computer Corporation makes no representations
|
|
||||||
* about the suitability of this software for any purpose. It is
|
|
||||||
* provided "as is" without express or implied warranty.
|
|
||||||
*
|
|
||||||
* CONCURRENT COMPUTER CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD
|
|
||||||
* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
||||||
* AND FITNESS, IN NO EVENT SHALL CONCURRENT COMPUTER CORPORATION BE
|
|
||||||
* LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
|
|
||||||
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
|
||||||
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
|
|
||||||
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
|
||||||
* SOFTWARE.
|
|
||||||
*
|
|
||||||
* Copyright 1998 by Metro Link Incorporated
|
|
||||||
*
|
|
||||||
* Permission to use, copy, modify, distribute, and sell this software
|
|
||||||
* and its documentation for any purpose is hereby granted without fee,
|
|
||||||
* provided that the above copyright notice appear in all copies and that
|
|
||||||
* both that copyright notice and this permission notice appear in
|
|
||||||
* supporting documentation, and that the name of Metro Link
|
|
||||||
* Incorporated not be used in advertising or publicity pertaining to
|
|
||||||
* distribution of the software without specific, written prior
|
|
||||||
* permission. Metro Link Incorporated makes no representations
|
|
||||||
* about the suitability of this software for any purpose. It is
|
|
||||||
* provided "as is" without express or implied warranty.
|
|
||||||
*
|
|
||||||
* METRO LINK INCORPORATED DISCLAIMS ALL WARRANTIES WITH REGARD
|
|
||||||
* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
||||||
* AND FITNESS, IN NO EVENT SHALL METRO LINK INCORPORATED BE
|
|
||||||
* LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
|
|
||||||
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
|
||||||
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
|
|
||||||
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
|
||||||
* SOFTWARE.
|
|
||||||
*
|
|
||||||
* This software is derived from the original XFree86 PCI code
|
|
||||||
* which includes the following copyright notices as well:
|
|
||||||
*
|
|
||||||
* Copyright 1995 by Robin Cutshaw <robin@XFree86.Org>
|
|
||||||
*
|
|
||||||
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
||||||
* documentation for any purpose is hereby granted without fee, provided that
|
|
||||||
* the above copyright notice appear in all copies and that both that
|
|
||||||
* copyright notice and this permission notice appear in supporting
|
|
||||||
* documentation, and that the names of the above listed copyright holder(s)
|
|
||||||
* not be used in advertising or publicity pertaining to distribution of
|
|
||||||
* the software without specific, written prior permission. The above listed
|
|
||||||
* copyright holder(s) make(s) no representations about the suitability of this
|
|
||||||
* software for any purpose. It is provided "as is" without express or
|
|
||||||
* implied warranty.
|
|
||||||
*
|
|
||||||
* THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM(S) ALL WARRANTIES WITH REGARD
|
|
||||||
* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
||||||
* AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE
|
|
||||||
* LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
|
|
||||||
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
|
|
||||||
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
||||||
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
||||||
*
|
|
||||||
* This code is also based heavily on the code in FreeBSD-current, which was
|
|
||||||
* written by Wolfgang Stanglmeier, and contains the following copyright:
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*/
|
|
||||||
/*
|
|
||||||
* Copyright (c) 1999-2003 by The XFree86 Project, Inc.
|
|
||||||
*
|
|
||||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
||||||
* copy of this software and associated documentation files (the "Software"),
|
|
||||||
* to deal in the Software without restriction, including without limitation
|
|
||||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
||||||
* and/or sell copies of the Software, and to permit persons to whom the
|
|
||||||
* Software is furnished to do so, subject to the following conditions:
|
|
||||||
*
|
|
||||||
* The above copyright notice and this permission notice shall be included in
|
|
||||||
* all copies or substantial portions of the Software.
|
|
||||||
*
|
|
||||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
||||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
||||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
||||||
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
||||||
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
||||||
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
||||||
* OTHER DEALINGS IN THE SOFTWARE.
|
|
||||||
*
|
|
||||||
* Except as contained in this notice, the name of the copyright holder(s)
|
|
||||||
* and author(s) shall not be used in advertising or otherwise to promote
|
|
||||||
* the sale, use or other dealings in this Software without prior written
|
|
||||||
* authorization from the copyright holder(s) and author(s).
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifdef HAVE_XORG_CONFIG_H
|
|
||||||
#include <xorg-config.h>
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#include <stdio.h>
|
|
||||||
#include "compiler.h"
|
|
||||||
#include "xf86.h"
|
|
||||||
#include "xf86Priv.h"
|
|
||||||
#include "xf86_OSlib.h"
|
|
||||||
#include "Pci.h"
|
|
||||||
|
|
||||||
#ifdef PC98
|
|
||||||
#define outb(port,data) _outb(port,data)
|
|
||||||
#define outl(port,data) _outl(port,data)
|
|
||||||
#define inb(port) _inb(port)
|
|
||||||
#define inl(port) _inl(port)
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#define PCI_CFGMECH2_ENABLE_REG 0xCF8
|
|
||||||
#ifdef PC98
|
|
||||||
#define PCI_CFGMECH2_FORWARD_REG 0xCF9
|
|
||||||
#else
|
|
||||||
#define PCI_CFGMECH2_FORWARD_REG 0xCFA
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#define PCI_CFGMECH2_MAXDEV 16
|
|
||||||
|
|
||||||
#define PCI_ADDR_FROM_TAG_CFG1(tag,reg) (PCI_EN | tag | (reg & 0xfc))
|
|
||||||
#define PCI_FORWARD_FROM_TAG(tag) PCI_BUS_FROM_TAG(tag)
|
|
||||||
#define PCI_ENABLE_FROM_TAG(tag) (0xf0 | (((tag) & 0x00000700) >> 7))
|
|
||||||
#define PCI_ADDR_FROM_TAG_CFG2(tag,reg) (0xc000 | (((tag) & 0x0000f800) >> 3) \
|
|
||||||
| (reg & 0xfc))
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Intel x86 platform specific PCI access functions
|
|
||||||
*/
|
|
||||||
#if 0
|
|
||||||
static CARD32 ix86PciReadLongSetup(PCITAG tag, int off);
|
|
||||||
static void ix86PciWriteLongSetup(PCITAG, int off, CARD32 val);
|
|
||||||
static void ix86PciSetBitsLongSetup(PCITAG, int off, CARD32 mask, CARD32 val);
|
|
||||||
static CARD32 ix86PciReadLongCFG1(PCITAG tag, int off);
|
|
||||||
static void ix86PciWriteLongCFG1(PCITAG, int off, CARD32 val);
|
|
||||||
static void ix86PciSetBitsLongCFG1(PCITAG, int off, CARD32 mask, CARD32 val);
|
|
||||||
static CARD32 ix86PciReadLongCFG2(PCITAG tag, int off);
|
|
||||||
static void ix86PciWriteLongCFG2(PCITAG, int off, CARD32 val);
|
|
||||||
static void ix86PciSetBitsLongCFG2(PCITAG, int off, CARD32 mask, CARD32 val);
|
|
||||||
#endif
|
|
||||||
|
|
||||||
static pciBusFuncs_t ix86Funcs0 = {
|
|
||||||
#if 0
|
|
||||||
/* pciReadLong */ ix86PciReadLongSetup,
|
|
||||||
/* pciWriteLong */ ix86PciWriteLongSetup,
|
|
||||||
/* pciSetBitsLong */ ix86PciSetBitsLongSetup,
|
|
||||||
/* pciAddrHostToBus */ pciAddrNOOP,
|
|
||||||
#endif
|
|
||||||
/* pciAddrBusToHost */ pciAddrNOOP
|
|
||||||
};
|
|
||||||
|
|
||||||
static pciBusFuncs_t ix86Funcs1 = {
|
|
||||||
#if 0
|
|
||||||
/* pciReadLong */ ix86PciReadLongCFG1,
|
|
||||||
/* pciWriteLong */ ix86PciWriteLongCFG1,
|
|
||||||
/* pciSetBitsLong */ ix86PciSetBitsLongCFG1,
|
|
||||||
/* pciAddrHostToBus */ pciAddrNOOP,
|
|
||||||
#endif
|
|
||||||
/* pciAddrBusToHost */ pciAddrNOOP
|
|
||||||
};
|
|
||||||
|
|
||||||
static pciBusFuncs_t ix86Funcs2 = {
|
|
||||||
#if 0
|
|
||||||
/* pciReadLong */ ix86PciReadLongCFG2,
|
|
||||||
/* pciWriteLong */ ix86PciWriteLongCFG2,
|
|
||||||
/* pciSetBitsLong */ ix86PciSetBitsLongCFG2,
|
|
||||||
/* pciAddrHostToBus */ pciAddrNOOP,
|
|
||||||
#endif
|
|
||||||
/* pciAddrBusToHost */ pciAddrNOOP
|
|
||||||
};
|
|
||||||
|
|
||||||
static pciBusInfo_t ix86Pci0 = {
|
|
||||||
/* configMech */ PCI_CFG_MECH_UNKNOWN, /* Set by ix86PciInit() */
|
|
||||||
/* numDevices */ 0, /* Set by ix86PciInit() */
|
|
||||||
/* secondary */ FALSE,
|
|
||||||
/* primary_bus */ 0,
|
|
||||||
/* funcs */ &ix86Funcs0, /* Set by ix86PciInit() */
|
|
||||||
/* pciBusPriv */ NULL,
|
|
||||||
/* bridge */ NULL
|
|
||||||
};
|
|
||||||
|
|
||||||
_X_EXPORT pointer
|
|
||||||
xf86MapDomainMemory(int ScreenNum, int Flags, struct pci_device *dev,
|
|
||||||
ADDRESS Base, unsigned long Size)
|
|
||||||
{
|
|
||||||
return xf86MapVidMem(ScreenNum, Flags, Base, Size);
|
|
||||||
}
|
|
||||||
|
|
||||||
IOADDRESS
|
|
||||||
xf86MapLegacyIO(struct pci_device *dev)
|
|
||||||
{
|
|
||||||
(void)dev;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static Bool
|
|
||||||
ix86PciBusCheck(void)
|
|
||||||
{
|
|
||||||
#if 0
|
|
||||||
PCITAG tag;
|
|
||||||
CARD32 id, class;
|
|
||||||
CARD8 device;
|
|
||||||
|
|
||||||
for (device = 0; device < ix86Pci0.numDevices; device++) {
|
|
||||||
tag = PCI_MAKE_TAG(0, device, 0);
|
|
||||||
id = (*ix86Pci0.funcs->pciReadLong)(tag, PCI_ID_REG);
|
|
||||||
|
|
||||||
if ((CARD16)(id + 1U) <= (CARD16)1UL)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
/* The rest of this is inspired by the Linux kernel */
|
|
||||||
class = (*ix86Pci0.funcs->pciReadLong)(tag, PCI_CLASS_REG);
|
|
||||||
|
|
||||||
/* Ignore revision id and programming interface */
|
|
||||||
switch (class >> 16) {
|
|
||||||
case (PCI_CLASS_PREHISTORIC << 8) | PCI_SUBCLASS_PREHISTORIC_MISC:
|
|
||||||
/* Check for vendors of known buggy chipsets */
|
|
||||||
id &= 0x0000ffff;
|
|
||||||
if ((id == PCI_VENDOR_INTEL) || (id == PCI_VENDOR_COMPAQ))
|
|
||||||
return TRUE;
|
|
||||||
continue;
|
|
||||||
|
|
||||||
case (PCI_CLASS_PREHISTORIC << 8) | PCI_SUBCLASS_PREHISTORIC_VGA:
|
|
||||||
case (PCI_CLASS_DISPLAY << 8) | PCI_SUBCLASS_DISPLAY_VGA:
|
|
||||||
case (PCI_CLASS_BRIDGE << 8) | PCI_SUBCLASS_BRIDGE_HOST:
|
|
||||||
return TRUE;
|
|
||||||
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
return FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
ix86PciSelectCfgmech(void)
|
|
||||||
{
|
|
||||||
static Bool beenhere = FALSE;
|
|
||||||
CARD32 mode1Res1 = 0, mode1Res2 = 0, oldVal1 = 0;
|
|
||||||
CARD8 mode2Res1 = 0, mode2Res2 = 0, oldVal2 = 0;
|
|
||||||
int stages = 0;
|
|
||||||
|
|
||||||
if (beenhere)
|
|
||||||
return; /* Been there, done that */
|
|
||||||
|
|
||||||
beenhere = TRUE;
|
|
||||||
|
|
||||||
/* Determine if motherboard chipset supports PCI Config Mech 1 or 2 */
|
|
||||||
do {
|
|
||||||
if (!xf86EnableIO())
|
|
||||||
return;
|
|
||||||
|
|
||||||
xf86MsgVerb(X_INFO, 2,
|
|
||||||
"PCI: Probing config type using method 1\n");
|
|
||||||
oldVal1 = inl(PCI_CFGMECH1_ADDRESS_REG);
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2) {
|
|
||||||
ErrorF("Checking config type 1:\n"
|
|
||||||
"\tinitial value of MODE1_ADDR_REG is 0x%08x\n", oldVal1);
|
|
||||||
ErrorF("\tChecking that all bits in mask 0x7f000000 are clear\n");
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/* Assuming config type 1 to start with */
|
|
||||||
if ((oldVal1 & 0x7f000000) == 0) {
|
|
||||||
|
|
||||||
stages |= 0x01;
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2) {
|
|
||||||
ErrorF("\tValue indicates possibly config type 1\n");
|
|
||||||
ErrorF("\tWriting 32-bit value 0x%08x to MODE1_ADDR_REG\n", PCI_EN);
|
|
||||||
#if 0
|
|
||||||
ErrorF("\tWriting 8-bit value 0x00 to MODE1_ADDR_REG + 3\n");
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
ix86Pci0.configMech = PCI_CFG_MECH_1;
|
|
||||||
ix86Pci0.numDevices = PCI_CFGMECH1_MAXDEV;
|
|
||||||
ix86Pci0.funcs = &ix86Funcs1;
|
|
||||||
|
|
||||||
outl(PCI_CFGMECH1_ADDRESS_REG, PCI_EN);
|
|
||||||
|
|
||||||
#if 0
|
|
||||||
/*
|
|
||||||
* This seems to cause some Neptune-based PCI machines to switch
|
|
||||||
* from config type 1 to config type 2
|
|
||||||
*/
|
|
||||||
outb(PCI_CFGMECH1_ADDRESS_REG + 3, 0);
|
|
||||||
#endif
|
|
||||||
mode1Res1 = inl(PCI_CFGMECH1_ADDRESS_REG);
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2) {
|
|
||||||
ErrorF("\tValue read back from MODE1_ADDR_REG is 0x%08x\n",
|
|
||||||
mode1Res1);
|
|
||||||
ErrorF("\tRestoring original contents of MODE1_ADDR_REG\n");
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
outl(PCI_CFGMECH1_ADDRESS_REG, oldVal1);
|
|
||||||
|
|
||||||
if (mode1Res1) {
|
|
||||||
|
|
||||||
stages |= 0x02;
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2) {
|
|
||||||
ErrorF("\tValue read back is non-zero, and indicates possible"
|
|
||||||
" config type 1\n");
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
if (ix86PciBusCheck()) {
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2)
|
|
||||||
ErrorF("\tBus check Confirms this: ");
|
|
||||||
#endif
|
|
||||||
|
|
||||||
xf86MsgVerb(X_INFO, 2, "PCI: Config type is 1\n");
|
|
||||||
xf86MsgVerb(X_INFO, 3,
|
|
||||||
"PCI: stages = 0x%02x, oldVal1 = 0x%08lx, mode1Res1"
|
|
||||||
" = 0x%08lx\n", stages, (unsigned long)oldVal1,
|
|
||||||
(unsigned long)mode1Res1);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2) {
|
|
||||||
ErrorF("\tBus check fails to confirm this, continuing type 1"
|
|
||||||
" check ...\n");
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
stages |= 0x04;
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2) {
|
|
||||||
ErrorF("\tWriting 0xff000001 to MODE1_ADDR_REG\n");
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
outl(PCI_CFGMECH1_ADDRESS_REG, 0xff000001);
|
|
||||||
mode1Res2 = inl(PCI_CFGMECH1_ADDRESS_REG);
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2) {
|
|
||||||
ErrorF("\tValue read back from MODE1_ADDR_REG is 0x%08x\n",
|
|
||||||
mode1Res2);
|
|
||||||
ErrorF("\tRestoring original contents of MODE1_ADDR_REG\n");
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
outl(PCI_CFGMECH1_ADDRESS_REG, oldVal1);
|
|
||||||
|
|
||||||
if ((mode1Res2 & 0x80000001) == 0x80000000) {
|
|
||||||
|
|
||||||
stages |= 0x08;
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2) {
|
|
||||||
ErrorF("\tValue read back has only the msb set\n"
|
|
||||||
"\tThis indicates possible config type 1\n");
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
if (ix86PciBusCheck()) {
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2)
|
|
||||||
ErrorF("\tBus check Confirms this: ");
|
|
||||||
#endif
|
|
||||||
|
|
||||||
xf86MsgVerb(X_INFO, 2, "PCI: Config type is 1\n");
|
|
||||||
xf86MsgVerb(X_INFO, 3,
|
|
||||||
"PCI: stages = 0x%02x, oldVal1 = 0x%08lx,\n"
|
|
||||||
"\tmode1Res1 = 0x%08lx, mode1Res2 = 0x%08lx\n",
|
|
||||||
stages, (unsigned long)oldVal1,
|
|
||||||
(unsigned long)mode1Res1, (unsigned long)mode1Res2);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef DEBUGPCI
|
|
||||||
if (xf86Verbose > 2) {
|
|
||||||
ErrorF("\tBus check fails to confirm this.\n");
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
xf86MsgVerb(X_INFO, 3, "PCI: Standard check for type 1 failed.\n");
|
|
||||||
xf86MsgVerb(X_INFO, 3, "PCI: stages = 0x%02x, oldVal1 = 0x%08lx,\n"
|
|
||||||
"\tmode1Res1 = 0x%08lx, mode1Res2 = 0x%08lx\n",
|
|
||||||
stages, (unsigned long)oldVal1, (unsigned long)mode1Res1,
|
|
||||||
(unsigned long)mode1Res2);
|
|
||||||
|
|
||||||
/* Try config type 2 */
|
|
||||||
oldVal2 = inb(PCI_CFGMECH2_ENABLE_REG);
|
|
||||||
if ((oldVal2 & 0xf0) == 0) {
|
|
||||||
ix86Pci0.configMech = PCI_CFG_MECH_2;
|
|
||||||
ix86Pci0.numDevices = PCI_CFGMECH2_MAXDEV;
|
|
||||||
ix86Pci0.funcs = &ix86Funcs2;
|
|
||||||
|
|
||||||
outb(PCI_CFGMECH2_ENABLE_REG, 0x0e);
|
|
||||||
mode2Res1 = inb(PCI_CFGMECH2_ENABLE_REG);
|
|
||||||
outb(PCI_CFGMECH2_ENABLE_REG, oldVal2);
|
|
||||||
|
|
||||||
if (mode2Res1 == 0x0e) {
|
|
||||||
if (ix86PciBusCheck()) {
|
|
||||||
xf86MsgVerb(X_INFO, 2, "PCI: Config type is 2\n");
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
} while (0);
|
|
||||||
|
|
||||||
/* No PCI found */
|
|
||||||
ix86Pci0.configMech = PCI_CFG_MECH_UNKNOWN;
|
|
||||||
xf86MsgVerb(X_INFO, 2, "PCI: No PCI bus found\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
ix86PciInit()
|
|
||||||
{
|
|
||||||
/* Initialize pciBusInfo */
|
|
||||||
pciBusInfo = &ix86Pci0;
|
|
||||||
|
|
||||||
/* Make sure that there is a PCI bus present. */
|
|
||||||
ix86PciSelectCfgmech();
|
|
||||||
if (ix86Pci0.configMech == PCI_CFG_MECH_UNKNOWN) {
|
|
||||||
pciBusInfo = NULL;
|
|
||||||
}
|
|
||||||
}
|
|
Loading…
Reference in New Issue
Block a user