diff options
Diffstat (limited to 'hw/xfree86/os-support/bus/linuxPci.c')
| -rw-r--r-- | hw/xfree86/os-support/bus/linuxPci.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/hw/xfree86/os-support/bus/linuxPci.c b/hw/xfree86/os-support/bus/linuxPci.c index a84ac8fec..a60df2538 100644 --- a/hw/xfree86/os-support/bus/linuxPci.c +++ b/hw/xfree86/os-support/bus/linuxPci.c @@ -57,29 +57,6 @@ #include "Pci.h" #include <dirent.h> -/* - * linux platform specific PCI access functions -- using /proc/bus/pci - * needs kernel version 2.2.x - */ -static ADDRESS linuxTransAddrBusToHost(PCITAG tag, PciAddrType type, ADDRESS addr); -#if defined(__powerpc__) -static ADDRESS linuxPpcBusAddrToHostAddr(PCITAG, PciAddrType, ADDRESS); -#endif - -static pciBusFuncs_t linuxFuncs0 = { -#if defined(__powerpc__) -/* pciAddrBusToHost */ linuxPpcBusAddrToHostAddr, -#else -/* linuxTransAddrBusToHost is busted on sparc64 but the PCI rework tree - * makes it all moot, so we kludge it for now */ -#if defined(__sparc__) -/* pciAddrBusToHost */ pciAddrNOOP, -#else -/* pciAddrBusToHost */ linuxTransAddrBusToHost, -#endif /* __sparc64__ */ -#endif -}; - static const struct pci_id_match match_host_bridge = { PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, (PCI_CLASS_BRIDGE << 16) | (PCI_SUBCLASS_BRIDGE_HOST << 8), @@ -95,13 +72,6 @@ linuxPciInit(void) struct stat st; memset(DomainMmappedIO, 0, sizeof(DomainMmappedIO)); - - if (-1 == stat("/proc/bus/pci", &st)) { - /* when using this as default for all linux architectures, - we'll need a fallback for 2.0 kernels here */ - return; - } - pciBusFuncs = &linuxFuncs0; } /** @@ -179,53 +149,6 @@ linuxPciOpenFile(struct pci_device *dev, Bool write) } /* - * This function will convert a BAR address into a host address - * suitable for passing into the mmap function of a /proc/bus - * device. - */ -ADDRESS linuxTransAddrBusToHost(PCITAG tag, PciAddrType type, ADDRESS addr) -{ - ADDRESS ret = xf86GetOSOffsetFromPCI(tag, PCI_MEM|PCI_IO, addr); - - if (ret) - return ret; - - /* - * if it is not a BAR address, it must be legacy, (or wrong) - * return it as is.. - */ - return addr; -} - - -#if defined(__powerpc__) - -#ifndef __NR_pciconfig_iobase -#define __NR_pciconfig_iobase 200 -#endif - -static ADDRESS -linuxPpcBusAddrToHostAddr(PCITAG tag, PciAddrType type, ADDRESS addr) -{ - if (type == PCI_MEM) - { - ADDRESS membase = syscall(__NR_pciconfig_iobase, 1, - PCI_BUS_FROM_TAG(tag), PCI_DFN_FROM_TAG(tag)); - return (addr + membase); - } - else if (type == PCI_IO) - { - ADDRESS iobase = syscall(__NR_pciconfig_iobase, 2, - PCI_BUS_FROM_TAG(tag), PCI_DFN_FROM_TAG(tag)); - return (addr + iobase); - } - else return addr; -} - -#endif /* __powerpc__ */ - - -/* * Compiling the following simply requires the presence of <linux/pci.c>. * Actually running this is another matter altogether... * |