diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/bus/ppcPci.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/bus/ppcPci.c | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/ppcPci.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/ppcPci.c deleted file mode 100644 index 7a438af67..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/ppcPci.c +++ /dev/null @@ -1,311 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bus/ppcPci.c,v 1.8 2002/07/24 19:06:52 tsi Exp $ */ -/* - * ppcPci.c - PowerPC PCI access functions - * - * PCI driver functions supporting Motorola PowerPC platforms - * including Powerstack(RiscPC/RiscPC+), PowerStackII, MTX, and - * MVME 160x/260x/360x/460x VME boards - * - * 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. - */ - -#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" - -#ifndef MAP_FAILED -#define MAP_FAILED (pointer)(-1) -#endif - -void -ppcPciInit() -{ -#if defined(PowerMAX_OS) - extern void pmaxPciInit(void); - - pmaxPciInit(); - -#else - - static void motoppcPciInit(void); - motoppcPciInit(); - -#endif -} - -#if defined(PowerMAX_OS) - -/* - * Motorola PowerPC platform support - * - * The following code should support the MVME 1600 & 2600 VME boards - * as well as the various PowerStack and RiscPC models. All of these - * machines support PCI config mechanism #1 and use the std config - * address and data regs locations: - * cfg address reg = 0xcf8 (PCI I/O) - * cfg data reg = 0xcfc (PCI I/O) - * - * The moto machines do have different address maps on either side - * of the PCI-host bridge though. - */ -static ADDRESS motoppcBusAddrToHostAddr(PCITAG, PciAddrType, ADDRESS); -static ADDRESS motoppcHostAddrToBusAddr(PCITAG, PciAddrType, ADDRESS); -static CARD32 pciCfgMech1Read(PCITAG tag, int offset); -static void pciCfgMech1Write(PCITAG tag, int offset, CARD32 val); -static void pciCfgMech1SetBits(PCITAG tag, int offset, - CARD32 mask, CARD32 val); - - -static pciBusFuncs_t motoppcFuncs0 = { -/* pciReadLong */ pciCfgMech1Read, -/* pciWriteLong */ pciCfgMech1Write, -/* pciSetBitsLong */ pciCfgMech1SetBits, -/* pciAddrHostToBus */ motoppcHostAddrToBusAddr, -/* pciAddrBusToHost */ motoppcBusAddrToHostAddr -}; - -static pciBusInfo_t motoppcPci0 = { -/* configMech */ PCI_CFG_MECH_1, -/* numDevices */ 32, -/* secondary */ FALSE, -/* primary_bus */ 0, -#ifdef PowerMAX_OS -/* ppc_io_base */ 0x80000000, -/* ppc_io_size */ 64 * 1024, -#endif -/* funcs */ &motoppcFuncs0, -/* pciBusPriv */ NULL, -/* bridge */ NULL -}; - -extern volatile unsigned char *ioBase; - -static void -motoppcPciInit() -{ - pciNumBuses = 1; - pciBusInfo[0] = &motoppcPci0; - pciFindFirstFP = pciGenFindFirst; - pciFindNextFP = pciGenFindNext; - - if (!xf86EnableIO()) - FatalError("motoppcPciInit: EnableIO failed\n"); - - if (ioBase == MAP_FAILED) { - ppcPciIoMap(0); /* Make inb/outb et al work for pci0 and its secondaries */ - - if (ioBase == MAP_FAILED) { - FatalError("motoppcPciInit: Cannot map pci0 I/O segment!!!\n"); - /*NOTREACHED*/ - } - } -} - -extern unsigned long motoPciMemBase = 0; - -#if defined(Lynx) && defined(__powerpc__) -extern unsigned long motoPciMemLen = 0x40000000; -#else -extern unsigned long motoPciMemLen = 0x3f000000; -#endif - -extern unsigned long motoPciMemBaseCPU = 0xc0000000; - -static ADDRESS -motoppcBusAddrToHostAddr(PCITAG tag, PciAddrType type, ADDRESS addr) -{ - unsigned long addr_l = (unsigned long)addr; - - if (type == PCI_MEM) { - if (addr_l >= motoPciMemBase && addr_l < motoPciMemLen) - /* - * PCI memory space addresses [0-0x3effffff] are - * are seen at [0xc0000000,0xfeffffff] on moto host - */ - return((ADDRESS)((motoPciMemBaseCPU - motoPciMemBase) + addr_l)); - - else if (addr_l >= 0x80000000) - /* - * Moto host memory [0,0x7fffffff] is seen at - * [0x80000000,0xffffffff] on PCI bus - */ - return((ADDRESS)(addr_l & 0x7fffffff)); - else - FatalError("motoppcBusAddrToHostAddr: PCI addr 0x%x is not accessible to host!!!\n", - addr_l); - } else - return addr; - - /*NOTREACHED*/ -} - -static ADDRESS -motoppcHostAddrToBusAddr(PCITAG tag, PciAddrType type, ADDRESS addr) -{ - unsigned long addr_l = (unsigned long)addr; - - if (type == PCI_MEM) { - if (addr_l < 0x80000000) - /* - * Moto host memory [0,0x7fffffff] is seen at - * [0x80000000,0xffffffff] on PCI bus - */ - return((ADDRESS)(0x80000000 | addr_l)); - - else if (addr_l >= motoPciMemBaseCPU && addr_l < motoPciMemBaseCPU + motoPciMemLen) - /* - * PCI memory space addresses [0-0x3effffff] are - * are seen at [0xc0000000,0xfeffffff] on moto host - */ - return((ADDRESS)(addr_l - (motoPciMemBaseCPU - motoPciMemBase))); - - else - FatalError("motoppcHostAddrToBusAddr: Host addr 0x%x is not accessible to PCI!!!\n", - addr_l); - } else - return addr; - - /*NOTREACHED*/ -} - -#if defined (__powerpc__) -static int buserr_detected; - -static -void buserr(int sig) -{ - buserr_detected = 1; -} -#endif - -static CARD32 -pciCfgMech1Read(PCITAG tag, int offset) -{ - unsigned long rv = 0xffffffff; -#ifdef DEBUGPCI - ErrorF("pciCfgMech1Read(tag=%08x,offset=%08x)\n", tag, offset); -#endif - -#if defined(__powerpc__) - signal(SIGBUS, buserr); - buserr_detected = 0; -#endif - - outl(0xCF8, PCI_EN | tag | (offset & 0xfc)); - rv = inl(0xCFC); - -#if defined(__powerpc__) - signal(SIGBUS, SIG_DFL); - if (buserr_detected) - { -#ifdef DEBUGPCI - ErrorF("pciCfgMech1Read() BUS ERROR\n"); -#endif - return(0xffffffff); - } - else -#endif - return(rv); -} - -static void -pciCfgMech1Write(PCITAG tag, int offset, CARD32 val) -{ -#ifdef DEBUGPCI - ErrorF("pciCfgMech1Write(tag=%08x,offset=%08x,val=%08x)\n", - tag, offset,val); -#endif - -#if defined(__powerpc__) - signal(SIGBUS, SIG_IGN); -#endif - - outl(0xCF8, PCI_EN | tag | (offset & 0xfc)); -#if defined(Lynx) && defined(__powerpc__) - outb(0x80, 0x00); /* without this the next access fails - * on my Powerstack system when we use - * assembler inlines for outl */ -#endif - outl(0xCFC, val); - -#if defined(__powerpc__) - signal(SIGBUS, SIG_DFL); -#endif -} - -static void -pciCfgMech1SetBits(PCITAG tag, int offset, CARD32 mask, CARD32 val) -{ - unsigned long rv = 0xffffffff; - -#if defined(__powerpc__) - signal(SIGBUS, buserr); -#endif - - outl(0xCF8, PCI_EN | tag | (offset & 0xfc)); - rv = inl(0xCFC); - rv = (rv & ~mask) | val; - outl(0xCFC, rv); - -#if defined(__powerpc__) - signal(SIGBUS, SIG_DFL); -#endif -} - -#endif /* PowerMAX_OS */ |