/* * 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). */ /* Standard resource information code */ #ifdef HAVE_XORG_CONFIG_H #include <xorg-config.h> #endif #include <X11/X.h> #include "xf86.h" #include "xf86Priv.h" #include "xf86Privstr.h" #include "xf86Pci.h" #define NEED_OS_RAC_PROTOS #include "xf86_OSlib.h" #include "xf86Resources.h" /* Avoid Imakefile changes */ #include "bus/Pci.h" #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \ defined(__DragonFly__) || defined(__sun) #define xf86StdAccResFromOS xf86AccResFromOS #endif resPtr xf86StdAccResFromOS(resPtr ret) { resRange range; /* * Fallback is to claim the following areas: * * 0x00000000 - 0x0009ffff low 640k host memory * 0x000c0000 - 0x000effff location of VGA and other extensions ROMS * 0x000f0000 - 0x000fffff system BIOS * 0x00100000 - 0x3fffffff low 1G - 1MB host memory * 0xfec00000 - 0xfecfffff default I/O APIC config space * 0xfee00000 - 0xfeefffff default Local APIC config space * 0xffe00000 - 0xffffffff high BIOS area (should this be included?) * * reference: Intel 440BX AGP specs * * The two APIC spaces appear to be BX-specific and should be dealt with * elsewhere. */ /* Fallback is to claim 0x0 - 0x9ffff and 0x100000 - 0x7fffffff */ RANGE(range, 0x00000000, 0x0009ffff, ResExcMemBlock); ret = xf86AddResToList(ret, &range, -1); RANGE(range, 0x000c0000, 0x000effff, ResExcMemBlock); ret = xf86AddResToList(ret, &range, -1); RANGE(range, 0x000f0000, 0x000fffff, ResExcMemBlock); ret = xf86AddResToList(ret, &range, -1); #if 0 RANGE(range, 0xfec00000, 0xfecfffff, ResExcMemBlock | ResBios); ret = xf86AddResToList(ret, &range, -1); RANGE(range, 0xfee00000, 0xfeefffff, ResExcMemBlock | ResBios); ret = xf86AddResToList(ret, &range, -1); /* airlied - remove BIOS range it shouldn't be here this should use E820 - or THE OS */ RANGE(range, 0xffe00000, 0xffffffff, ResExcMemBlock | ResBios); ret = xf86AddResToList(ret, &range, -1); #endif /* * Fallback would be to claim well known ports in the 0x0 - 0x3ff range * along with their sparse I/O aliases, but that's too imprecise. Instead * claim a bare minimum here. */ RANGE(range, 0x00000000, 0x000000ff, ResExcIoBlock); /* For mainboard */ ret = xf86AddResToList(ret, &range, -1); /* * At minimum, the top and bottom resources must be claimed, so that * resources that are (or appear to be) unallocated can be relocated. */ /* RANGE(range, 0x00000000, 0x00000000, ResExcMemBlock); ret = xf86AddResToList(ret, &range, -1); RANGE(range, 0xffffffff, 0xffffffff, ResExcMemBlock); ret = xf86AddResToList(ret, &range, -1); RANGE(range, 0x00000000, 0x00000000, ResExcIoBlock); ret = xf86AddResToList(ret, &range, -1); */ RANGE(range, 0x0000ffff, 0x0000ffff, ResExcIoBlock); ret = xf86AddResToList(ret, &range, -1); /* XXX add others */ return ret; }