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/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/bsdResource.c,v 1.9 2003/10/02 13:30:06 eich Exp $ */
/* Resource information code */
#include "X.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86Privstr.h"
#include "xf86Pci.h"
#include "xf86Resources.h"
#define NEED_OS_RAC_PROTOS
#include "xf86_OSlib.h"
/* Avoid Imakefile changes */
#include "bus/Pci.h"
resRange PciAvoid[] = {_PCI_AVOID_PC_STYLE, _END};
#ifdef INCLUDE_XF86_NO_DOMAIN
#if defined(__alpha__) || defined(__sparc64__) || defined(__amd64__)
resPtr
xf86BusAccWindowsFromOS(void)
{
resPtr ret = NULL;
resRange range;
RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
RANGE(range, 0x00000000, 0xffffffff, ResExcIoBlock);
ret = xf86AddResToList(ret, &range, -1);
return ret;
}
resPtr
xf86PciBusAccWindowsFromOS(void)
{
resPtr ret = NULL;
resRange range;
/*
* Only allow the upper half of the pci memory range to be used
* for allocation. The lower half includes magic regions for DMA.
* XXX this is not right for XP1000's and similar where we use the
* region 0x40000000-0xbfffffff for DMA but this only matters if
* the bios screws up the pci region mappings.
*/
RANGE(range, 0x80000000, 0xffffffff, ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
RANGE(range, 0x00000000, 0xffffffff, ResExcIoBlock);
ret = xf86AddResToList(ret, &range, -1);
return ret;
}
#ifdef INCLUDE_UNUSED
resPtr
xf86IsaBusAccWindowsFromOS(void)
{
resPtr ret = NULL;
resRange range;
RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
RANGE(range, 0x00000000, 0xffffffff, ResExcIoBlock);
ret = xf86AddResToList(ret, &range, -1);
return ret;
}
#endif /* INCLUDE_UNUSED */
resPtr
xf86AccResFromOS(resPtr ret)
{
resRange range;
/*
* Fallback is to claim the following areas:
*
* 0x000c0000 - 0x000effff location of VGA and other extensions ROMS
*/
RANGE(range, 0x000c0000, 0x000effff, ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
/*
* 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, 0xffffffff, 0xffffffff, ResExcIoBlock);
ret = xf86AddResToList(ret, &range, -1);
/* XXX add others */
return ret;
}
#elif defined(__powerpc__)
resPtr
xf86BusAccWindowsFromOS(void)
{
resPtr ret = NULL;
resRange range;
RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
ret = xf86AddResToList(ret, &range, -1);
return ret;
}
resPtr
xf86PciBusAccWindowsFromOS(void)
{
resPtr ret = NULL;
resRange range;
RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
ret = xf86AddResToList(ret, &range, -1);
return ret;
}
#ifdef INCLUDE_UNUSED
resPtr
xf86IsaBusAccWindowsFromOS(void)
{
resPtr ret = NULL;
resRange range;
RANGE(range, 0x00000000, 0xffffffff, ResExcMemBlock);
ret = xf86AddResToList(ret, &range, -1);
RANGE(range, 0x00000000, 0x0000ffff, ResExcIoBlock);
ret = xf86AddResToList(ret, &range, -1);
return ret;
}
#endif /* INCLUDE_UNUSED */
resPtr
xf86AccResFromOS(resPtr ret)
{
resRange range;
/*
* 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);
return ret;
}
#else
#error : Put your platform dependent code here!!
#endif
#endif /* INCLUDE_XF86_NO_DOMAIN */
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