16470a32ee
PCI address space is completely seperate, so we don't have to claim any resources to avoid clashes with main memory and firmware. Makes accelerated graphics work on the Tadpole SPARCLE. ok matthieu@, oga@
179 lines
6.0 KiB
C
179 lines
6.0 KiB
C
/*
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* Copyright (c) 1999-2003 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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/* Standard resource information code */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "xf86Privstr.h"
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#include "xf86Pci.h"
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#define NEED_OS_RAC_PROTOS
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#include "xf86_OSlib.h"
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#include "xf86Resources.h"
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/* Avoid Imakefile changes */
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#include "bus/Pci.h"
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#ifdef USESTDRES
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#define xf86StdBusAccWindowsFromOS xf86BusAccWindowsFromOS
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#define xf86StdAccResFromOS xf86AccResFromOS
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#define xf86StdPciBusAccWindowsFromOS xf86PciBusAccWindowsFromOS
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#define xf86StdIsaBusAccWindowsFromOS xf86IsaBusAccWindowsFromOS
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_X_EXPORT resRange PciAvoid[] = {_PCI_AVOID_PC_STYLE, _END};
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#endif
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#ifdef INCLUDE_XF86_NO_DOMAIN
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resPtr
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xf86StdBusAccWindowsFromOS(void)
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{
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/* Fallback is to allow addressing of all memory space */
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resPtr ret = NULL;
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resRange range;
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RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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/* Fallback is to allow addressing of all I/O space */
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RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
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ret = xf86AddResToList(ret, &range, -1);
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return ret;
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}
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resPtr
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xf86StdPciBusAccWindowsFromOS(void)
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{
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/* Fallback is to allow addressing of all memory space */
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resPtr ret = NULL;
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resRange range;
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RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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/* Fallback is to allow addressing of all I/O space */
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RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
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ret = xf86AddResToList(ret, &range, -1);
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return ret;
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}
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#ifdef INCLUDE_UNUSED
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resPtr
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xf86StdIsaBusAccWindowsFromOS(void)
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{
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/* Fallback is to allow addressing of all memory space */
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resPtr ret = NULL;
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resRange range;
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RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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/* Fallback is to allow addressing of all I/O space */
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RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
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ret = xf86AddResToList(ret, &range, -1);
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return ret;
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}
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#endif /* INCLUDE_UNUSED */
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resPtr
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xf86StdAccResFromOS(resPtr ret)
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{
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#ifndef __sparc64__
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resRange range;
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/*
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* Fallback is to claim the following areas:
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*
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* 0x00000000 - 0x0009ffff low 640k host memory
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* 0x000c0000 - 0x000effff location of VGA and other extensions ROMS
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* 0x000f0000 - 0x000fffff system BIOS
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* 0x00100000 - 0x3fffffff low 1G - 1MB host memory
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* 0xfec00000 - 0xfecfffff default I/O APIC config space
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* 0xfee00000 - 0xfeefffff default Local APIC config space
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* 0xffe00000 - 0xffffffff high BIOS area (should this be included?)
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*
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* reference: Intel 440BX AGP specs
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*
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* The two APIC spaces appear to be BX-specific and should be dealt with
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* elsewhere.
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*/
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/* Fallback is to claim 0x0 - 0x9ffff and 0x100000 - 0x7fffffff */
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RANGE(range, 0x00000000, 0x0009ffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0x000c0000, 0x000effff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0x000f0000, 0x000fffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0x00100000, 0x3fffffff,
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ResExcMemBlock | ResBios | ResEstimated);
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ret = xf86AddResToList(ret, &range, -1);
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#if 0
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RANGE(range, 0xfec00000, 0xfecfffff, ResExcMemBlock | ResBios);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0xfee00000, 0xfeefffff, ResExcMemBlock | ResBios);
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ret = xf86AddResToList(ret, &range, -1);
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/* airlied - remove BIOS range it shouldn't be here
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this should use E820 - or THE OS */
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RANGE(range, 0xffe00000, 0xffffffff, ResExcMemBlock | ResBios);
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ret = xf86AddResToList(ret, &range, -1);
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#endif
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/*
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* Fallback would be to claim well known ports in the 0x0 - 0x3ff range
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* along with their sparse I/O aliases, but that's too imprecise. Instead
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* claim a bare minimum here.
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*/
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RANGE(range, 0x00000000, 0x000000ff, ResExcIoBlock); /* For mainboard */
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ret = xf86AddResToList(ret, &range, -1);
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/*
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* At minimum, the top and bottom resources must be claimed, so that
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* resources that are (or appear to be) unallocated can be relocated.
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*/
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/* RANGE(range, 0x00000000, 0x00000000, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0xffffffff, 0xffffffff, ResExcMemBlock);
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ret = xf86AddResToList(ret, &range, -1);
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RANGE(range, 0x00000000, 0x00000000, ResExcIoBlock);
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ret = xf86AddResToList(ret, &range, -1); */
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RANGE(range, 0x0000ffff, 0x0000ffff, ResExcIoBlock);
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ret = xf86AddResToList(ret, &range, -1);
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/* XXX add others */
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#endif
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return ret;
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}
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#endif /* INCLUDE_XF86_NO_DOMAIN */
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