Remove the remnants of Jensen support

As being an EISA-only machine, and as ISA support is gone now...

5 files changed, 28 insertions, 494 deletions

diff --git a/hw/xfree86/common/compiler.h b/hw/xfree86/common/compiler.h
index f55219b9b..285d9a3f6 100644
--- a/hw/xfree86/common/compiler.h
+++ b/hw/xfree86/common/compiler.h
@@ -1541,8 +1541,6 @@ extern void (*xf86WriteMmio32)(int, void *, unsigned long);
 extern void (*xf86WriteMmioNB8)(int, void *, unsigned long);
 extern void (*xf86WriteMmioNB16)(int, void *, unsigned long);
 extern void (*xf86WriteMmioNB32)(int, void *, unsigned long);
-extern void xf86JensenMemToBus(char *, long, long, int);
-extern void xf86JensenBusToMem(char *, char *, unsigned long, int);
 extern void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
 extern void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
 
@@ -1556,20 +1554,13 @@ extern void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
 #   define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset)
 #  endif
 
-#  if defined (JENSEN_SUPPORT)
-#   define MMIO_OUT32(base, offset, val) \
-    (*xf86WriteMmio32)((CARD32)(val), base, offset)
-#   define MMIO_ONB32(base, offset, val) \
-    (*xf86WriteMmioNB32)((CARD32)(val), base, offset)
-#  else
-#   define MMIO_OUT32(base, offset, val) \
+#  define MMIO_OUT32(base, offset, val) \
     do { \
 	write_mem_barrier(); \
 	*(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val); \
     } while (0)
-#   define MMIO_ONB32(base, offset, val) \
+#  define MMIO_ONB32(base, offset, val) \
 	*(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val)
-#  endif
 
 #  define MMIO_OUT8(base, offset, val) \
     (*xf86WriteMmio8)((CARD8)(val), base, offset)
diff --git a/hw/xfree86/os-support/linux/lnx_video.c b/hw/xfree86/os-support/linux/lnx_video.c
index 4c64fa447..aa62514df 100644
--- a/hw/xfree86/os-support/linux/lnx_video.c
+++ b/hw/xfree86/os-support/linux/lnx_video.c
@@ -77,8 +77,6 @@ extern int iopl(int __level);
 
 extern void sethae(unsigned long hae);
 
-#  define isJensen (axpSystem == JENSEN)
-
 # define BUS_BASE bus_base
 
 #else 
@@ -97,10 +95,6 @@ static void unmapVidMem(int, pointer, unsigned long);
 static pointer mapVidMemSparse(int, unsigned long, unsigned long, int);
 extern axpDevice lnxGetAXP(void);
 static void unmapVidMemSparse(int, pointer, unsigned long);
-# if defined(JENSEN_SUPPORT)
-static pointer mapVidMemJensen(int, unsigned long, unsigned long, int);
-static void unmapVidMemJensen(int, pointer, unsigned long);
-# endif
 static axpDevice axpSystem = -1;
 static Bool needSparse;
 static unsigned long hae_thresh;
@@ -388,17 +382,7 @@ xf86OSInitVidMem(VidMemInfoPtr pVidMem)
 	  }
 	  bus_base = _bus_base();
 	}
-	if (isJensen) {
-# ifndef JENSEN_SUPPORT
-	  FatalError("Jensen is not supported any more\n"
-		     "If you are intereseted in fixing Jensen support\n"
-		     "please contact xorg@lists.freedesktop.org\n");
-# else
-	  xf86Msg(X_INFO,"Machine type is Jensen\n");
-	  pVidMem->mapMem = mapVidMemJensen;
-	  pVidMem->unmapMem = unmapVidMemJensen;
-# endif /* JENSEN_SUPPORT */
-	} else if (needSparse) {
+	if (needSparse) {
 	  xf86Msg(X_INFO,"Machine needs sparse mapping\n");
 	  pVidMem->mapMem = mapVidMemSparse;
 	  pVidMem->unmapMem = unmapVidMemSparse;
@@ -922,175 +906,4 @@ _X_EXPORT int  (*xf86ReadMmio16)(pointer Base, unsigned long Offset)
 _X_EXPORT int  (*xf86ReadMmio32)(pointer Base, unsigned long Offset)
      = readDense32;
 
-#ifdef JENSEN_SUPPORT
-
-static int
-readSparseJensen8(pointer Base, register unsigned long Offset);
-static int
-readSparseJensen16(pointer Base, register unsigned long Offset);
-static int
-readSparseJensen32(pointer Base, register unsigned long Offset);
-static void
-writeSparseJensen8(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseJensen16(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseJensen32(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseJensenNB8(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseJensenNB16(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseJensenNB32(int Value, pointer Base, register unsigned long Offset);
-
-/*
- * The Jensen lacks dense memory, thus we have to address the bus via
- * the sparse addressing scheme.
- *
- * Martin Ostermann (ost@comnets.rwth-aachen.de) - Apr.-Sep. 1996
- */
-
-#ifdef TEST_JENSEN_CODE 
-#define SPARSE (5)
-#else
-#define SPARSE (7)
-#endif
-
-#define JENSEN_SHIFT(x) ((long)x<<SPARSE)
-
-static pointer
-mapVidMemJensen(int ScreenNum, unsigned long Base, unsigned long Size, int flags)
-{
-  pointer base;
-  int fd, prot;
-
-  xf86WriteMmio8 = writeSparseJensen8;
-  xf86WriteMmio16 = writeSparseJensen16;
-  xf86WriteMmio32 = writeSparseJensen32;
-  xf86WriteMmioNB8 = writeSparseJensenNB8;
-  xf86WriteMmioNB16 = writeSparseJensenNB16;
-  xf86WriteMmioNB32 = writeSparseJensenNB32;
-  xf86ReadMmio8 = readSparseJensen8;
-  xf86ReadMmio16 = readSparseJensen16;
-  xf86ReadMmio32 = readSparseJensen32;
-
-  fd = open(DEV_MEM, (flags & VIDMEM_READONLY) ? O_RDONLY : O_RDWR);
-  if (fd < 0) {
-    FatalError("xf86MapVidMem: failed to open " DEV_MEM " (%s)\n",
-	       strerror(errno));
-  }
-
-  if (flags & VIDMEM_READONLY)
-    prot = PROT_READ;
-  else
-    prot = PROT_READ | PROT_WRITE;
-
-  /* This requires linux-0.99.pl10 or above */
-  base = mmap((caddr_t)0, JENSEN_SHIFT(Size),
-	      prot, MAP_SHARED, fd,
-	      (off_t)(JENSEN_SHIFT((off_t)Base) + _bus_base_sparse()));
-  close(fd);
-  if (base == MAP_FAILED) {
-    FatalError("xf86MapVidMem: Could not mmap framebuffer"
-	       " (0x%08x,0x%x) (%s)\n", Base, Size,
-	       strerror(errno));
-  }
-  return base;
-}
-
-static void
-unmapVidMemJensen(int ScreenNum, pointer Base, unsigned long Size)
-{
-  munmap((caddr_t)Base, JENSEN_SHIFT(Size));
-}
-
-static int
-readSparseJensen8(pointer Base, register unsigned long Offset)
-{
-    register unsigned long result, shift;
-
-    mem_barrier();
-    shift = (Offset & 0x3) << 3;
-
-    result = *(vuip) ((unsigned long)Base + (Offset << SPARSE));
-
-    result >>= shift;
-    return 0xffUL & result;
-}
-
-static int
-readSparseJensen16(pointer Base, register unsigned long Offset)
-{
-    register unsigned long result, shift;
-
-    mem_barrier();
-    shift = (Offset & 0x2) << 3;
-
-    result = *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(1<<(SPARSE-2)));
-
-    result >>= shift;
-    return 0xffffUL & result;
-}
-
-static int
-readSparseJensen32(pointer Base, register unsigned long Offset)
-{
-    register unsigned long result;
-
-    mem_barrier();
-    result = *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(3<<(SPARSE-2)));
-
-    return result;
-}
-
-static void
-writeSparseJensen8(int Value, pointer Base, register unsigned long Offset)
-{
-    register unsigned int b = Value & 0xffU;
-
-    write_mem_barrier();
-    *(vuip) ((unsigned long)Base + (Offset << SPARSE)) = b * 0x01010101;
-}
-
-static void
-writeSparseJensen16(int Value, pointer Base, register unsigned long Offset)
-{
-    register unsigned int w = Value & 0xffffU;
-
-    write_mem_barrier();
-    *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(1<<(SPARSE-2))) =
-      w * 0x00010001;
-}
-
-static void
-writeSparseJensen32(int Value, pointer Base, register unsigned long Offset)
-{
-    write_mem_barrier();
-    *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(3<<(SPARSE-2))) = Value;
-}
-
-static void
-writeSparseJensenNB8(int Value, pointer Base, register unsigned long Offset)
-{
-    register unsigned int b = Value & 0xffU;
-
-    *(vuip) ((unsigned long)Base + (Offset << SPARSE)) = b * 0x01010101;
-}
-
-static void
-writeSparseJensenNB16(int Value, pointer Base, register unsigned long Offset)
-{
-    register unsigned int w = Value & 0xffffU;
-
-    *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(1<<(SPARSE-2))) =
-      w * 0x00010001;
-}
-
-static void
-writeSparseJensenNB32(int Value, pointer Base, register unsigned long Offset)
-{
-    *(vuip)((unsigned long)Base+(Offset<<SPARSE)+(3<<(SPARSE-2))) = Value;
-}
-#endif /* JENSEN_SUPPORT */
-
 #endif /* __alpha__ */
diff --git a/hw/xfree86/os-support/misc/BUSmemcpy.c b/hw/xfree86/os-support/misc/BUSmemcpy.c
index b482b867a..0500bf6c1 100644
--- a/hw/xfree86/os-support/misc/BUSmemcpy.c
+++ b/hw/xfree86/os-support/misc/BUSmemcpy.c
@@ -26,233 +26,8 @@ Thanks to Linus Torvalds for contributing this code.
 
 #include "compiler.h"
 
-/*
- * The Jensen lacks dense memory, thus we have to address the bus via
- * the sparse addressing scheme. These routines are only used in s3im.c
- * Non time critical code uses SlowBCopy_{from/to} bus.
- *
- * Martin Ostermann (ost@comnets.rwth-aachen.de) - Apr.-Sep. 1996
- */
-
-#ifdef TEST_JENSEN_CODE /* define to test the Sparse addressing on a non-Jensen */
-#define LWORD_CODING (0x18)
-#define SPARSE (5)
-#else
 #define LWORD_CODING (0x60)
 #define SPARSE (7)
-#endif
-
-void
-xf86JensenMemToBus(char *Base, long dst, long src, int count)
-{
-    if( ((long)src^((long)dst)) & 3) {  
-                               /* src & dst are NOT aligned to each other */
-	unsigned long addr;
-	unsigned long low_word, high_word,last_read;
-	long  rm,loop;
-	unsigned long tmp,org,org2,mask,src_org,count_org;
-	
-	src_org=src;
-	count_org=count;
-    
-	/* add EISA longword coding and round off*/
-	addr = (long)(Base+(dst<<SPARSE) + LWORD_CODING) & ~(3<<SPARSE);
-	rm = (long)dst & 3;
-	count += rm;
-	
-	count = count_org + rm;
-	org = *(volatile unsigned int *)addr;
-	__asm__("ldq_u %0,%1"
-		:"=r" (low_word):"m" (*(unsigned long *)(src_org)));
-	src = src_org - rm;
-	if( count > 4  ) {
-	    last_read = src_org+count_org - 1;
-	    __asm__("ldq_u %0,%1"
-		    :"=r" (high_word):"m" (*(unsigned long *)(src+4)));
-	    __asm__("extll %1,%2,%0"
-		    :"=r" (low_word)
-		    :"r" (low_word), "r" ((unsigned long)(src)));
-	    __asm__("extlh %1,%2,%0"
-		    :"=r" (tmp)
-		    :"r" (high_word), "r" ((unsigned long)(src)));
-	    tmp |= low_word;
-	    src += 4;
-	    __asm__("mskqh %1,%2,%0"
-		    :"=r" (tmp)
-		    :"r" (tmp), "r" (rm));
-	    __asm__("mskql %1,%2,%0"
-		    :"=r" (org2)
-		    :"r" (org), "r" (rm));
-	    tmp |= org2;
-      
-	    loop = (count-4) >> 2; /* loop eqv. count>=4 ; count -= 4 */
-	    while (loop) {
-                     /* tmp to be stored completly -- need to read next word*/
-		low_word = high_word;
-		*(volatile unsigned int *) (addr) = tmp;
-		__asm__("ldq_u %0,%1"
-			:"=r" (high_word):"m" (*(unsigned long*)(src+4)));
-		loop --;
-		__asm__("extll %1,%2,%0"
-			:"=r" (low_word)
-			:"r" (low_word), "r" ((unsigned long)src));
-		__asm__("extlh %1,%2,%0"
-			:"=r" (tmp)
-			:"r" (high_word), "r" ((unsigned long)src));
-		src += 4;
-		tmp |= low_word;
-		addr += 4<<SPARSE;
-	    }
-	    if ( count & 3 ) {
-                     /* Store tmp completly, and possibly read one more word.*/
-		*(volatile unsigned int *) (addr) = tmp;
-		__asm__("ldq_u %0,%1"
-			:"=r" (tmp):"m" (*((unsigned long *)(last_read)) ));
-		addr += 4<<SPARSE;
-		__asm__("extll %1,%2,%0"
-			:"=r" (low_word)
-			:"r" (high_word), "r" ((unsigned long)src));
-		__asm__("extlh %1,%2,%0"
-			:"=r" (tmp)
-			:"r" (tmp), "r" ((unsigned long)src));
-		tmp |= low_word;
-		org = *(volatile unsigned int *)addr;
-		
-		__asm__("mskql %1,%2,%0"
-			:"=r" (tmp)
-			:"r" (tmp), "r" (count&3));
-		__asm__("mskqh %1,%2,%0"
-			:"=r" (org)
-			:"r" (org), "r" (count&3));
-		
-		tmp |= org;
-	    } 
-	    *(volatile unsigned int *) (addr) = tmp;
-	    return;
-	} else {         /* count > 4  */
-	    __asm__("ldq_u %0,%1"
-		    :"=r" (high_word):"m" (*(unsigned long *)(src+4)));
-	    __asm__("extll %1,%2,%0"
-		    :"=r" (low_word)
-		    :"r" (low_word), "r" ((unsigned long)(src)));
-	    __asm__("extlh %1,%2,%0"
-		    :"=r" (tmp)
-		    :"r" (high_word), "r" ((unsigned long)(src)));
-	    tmp |= low_word;
-	    if( count < 4 ) {
-		
-		mask = -1;
-		__asm__("mskqh %1,%2,%0"
-			:"=r" (mask)
-			:"r" (mask), "r" (rm));
-		__asm__("mskql %1,%2,%0"
-			:"=r" (mask)
-			:"r" (mask), "r" (count));
-		tmp = (tmp & mask) | (org & ~mask);
-		*(volatile unsigned int *) (addr) = tmp;
-		return;
-	    }  else {
-		__asm__("mskqh %1,%2,%0"
-			:"=r" (tmp)
-			:"r" (tmp), "r" (rm));
-		__asm__("mskql %1,%2,%0"
-			:"=r" (org2)
-			:"r" (org), "r" (rm));
-		
-		tmp |= org2;
-		*(volatile unsigned int *) (addr) = tmp;
-		return;
-	    }
-	}
-    } else {          /* src & dst are aligned to each other */
-	unsigned long addr;
-	unsigned int tmp,org,rm;
-	unsigned int *src_r;
-	
-	/* add EISA longword coding and round off*/
-	addr = (long)(Base+(dst<<SPARSE) + LWORD_CODING) & ~(3<<SPARSE);
-	
-	src_r = (unsigned int*)((long)src & ~3L);
-	rm=(long)src & 3;
-	count += rm;
-	
-	tmp = *src_r;
-	org = *(volatile unsigned int *)addr;
-	
-	__asm__("mskqh %1,%2,%0"
-		:"=r" (tmp)
-		:"r" (tmp), "r" (rm));
-	__asm__("mskql %1,%2,%0"
-		:"=r" (org)
-		:"r" (org), "r" (rm));
-	
-	tmp |= org;
-	
-	while (count > 4) {
-	    *(volatile unsigned int *) addr = tmp;
-	    addr += 4<<SPARSE;
-	    src_r += 1;
-	    tmp = *src_r;
-	    count -= 4;
-	}
-	
-	org = *(volatile unsigned int *)addr;
-	__asm__("mskql %1,%2,%0"
-		:"=r" (tmp)
-		:"r" (tmp), "r" (count));
-	__asm__("mskqh %1,%2,%0"
-		:"=r" (org)
-		:"r" (org), "r" (count));
-	tmp |= org;
-	*(volatile unsigned int *) (addr) = tmp;
-    }
-}
-
-void
-xf86JensenBusToMem(char *Base, char *dst, unsigned long src, int count)
-{
-#if 0
-  /* Optimization of BusToMem() is left as an exercise to the reader ;-)    
-   * Consider that ldq_u/extlh/extll won't work because of the bus being
-   * only 4 bytes wide! 
-   */
-#else
-  unsigned long addr;
-  long result;
-
-  addr = (unsigned long)(Base+(src<<SPARSE)) ;
-  while( addr & (3<<SPARSE) ){
-    if(count <= 0) return;
-    result = *(volatile int *) addr;
-    result >>= ((addr>>SPARSE) & 3) * 8;
-    *dst++ = (char) result;
-    addr += 1<<SPARSE;
-    count--;
-  }
-  count -=4;
-  while(count >= 0){
-    int i;
-
-    result = *(volatile int *) (addr+LWORD_CODING);
-    for(i=4;i--;) {
-      *dst++ = (char) result;
-      result >>= 8;
-    }
-    addr += 4<<SPARSE;
-    count -= 4;
-  }
-  count +=4;
-  
-  while( count ){
-    result = *(volatile int *) addr;
-    result >>= ((addr>>SPARSE) & 3) * 8;
-    *dst++ = (char) result;
-    addr += 1<<SPARSE;
-    count--;
-  }
-#endif  
-}
-
 
 static unsigned long __memcpy(unsigned long dest, unsigned long src, int n);
 
diff --git a/hw/xfree86/os-support/misc/SlowBcopy.c b/hw/xfree86/os-support/misc/SlowBcopy.c
index 7c51fcca3..be69b9dd1 100644
--- a/hw/xfree86/os-support/misc/SlowBcopy.c
+++ b/hw/xfree86/os-support/misc/SlowBcopy.c
@@ -56,29 +56,13 @@ xf86SlowBcopy(unsigned char *src, unsigned char *dst, int len)
 }
 
 #ifdef __alpha__
-/*
- * The Jensen lacks dense memory, thus we have to address the bus via
- * the sparse addressing scheme. Time critical code uses routines from
- * BUSmemcpy.c
- *
- * Martin Ostermann (ost@comnets.rwth-aachen.de) - Apr.-Sep. 1996
- */
 
 #ifdef linux
 
-unsigned long _bus_base(void);
-
-#ifdef TEST_JENSEN_CODE /* define to test the Sparse addressing on a non-Jensen */
-#define SPARSE (5)
-#else
 #define SPARSE (7)
-#endif
-
-#define isJensen() (!_bus_base())
 
 #else
 
-#define isJensen() 0
 #define SPARSE 0
 
 #endif
@@ -86,42 +70,32 @@ unsigned long _bus_base(void);
 _X_EXPORT void
 xf86SlowBCopyFromBus(unsigned char *src, unsigned char *dst, int count)
 {
-    if (isJensen())
-    {
-	unsigned long addr;
-	long result;
-
-	addr = (unsigned long) src;
-	while( count ){
-	    result = *(volatile int *) addr;
-	    result >>= ((addr>>SPARSE) & 3) * 8;
-	    *dst++ = (unsigned char) (0xffUL & result);
-	    addr += 1<<SPARSE;
-	    count--;
-	    outb(0x80, 0x00);
-	}
+    unsigned long addr;
+    long result;
+
+    addr = (unsigned long) src;
+    while( count ){
+	result = *(volatile int *) addr;
+	result >>= ((addr>>SPARSE) & 3) * 8;
+	*dst++ = (unsigned char) (0xffUL & result);
+	addr += 1<<SPARSE;
+	count--;
+	outb(0x80, 0x00);
     }
-    else
-	xf86SlowBcopy(src,dst,count);
 }
   
 _X_EXPORT void
 xf86SlowBCopyToBus(unsigned char *src, unsigned char *dst, int count)
 {
-    if (isJensen())
-    {
-	unsigned long addr;
-
-	addr = (unsigned long) dst;
-	while(count) {
-	    *(volatile unsigned int *) addr = (unsigned short)(*src) * 0x01010101;
-	    src++;
-	    addr += 1<<SPARSE;
-	    count--;
-	    outb(0x80, 0x00);
-	}
+    unsigned long addr;
+
+    addr = (unsigned long) dst;
+    while(count) {
+	*(volatile unsigned int *) addr = (unsigned short)(*src) * 0x01010101;
+	src++;
+	addr += 1<<SPARSE;
+	count--;
+	outb(0x80, 0x00);
     }
-    else
-	xf86SlowBcopy(src,dst,count);    
 }
 #endif
diff --git a/hw/xfree86/os-support/shared/bios_mmap.c b/hw/xfree86/os-support/shared/bios_mmap.c
index 8bac87ebe..0c368e713 100644
--- a/hw/xfree86/os-support/shared/bios_mmap.c
+++ b/hw/xfree86/os-support/shared/bios_mmap.c
@@ -91,33 +91,15 @@ xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
    *  re: boundaries and sizes and such...
    */
 
-/*
- * The Jensen lacks dense memory, thus we have to address the bus via
- * the sparse addressing scheme.
- *
- * Martin Ostermann (ost@comnets.rwth-aachen.de) - Apr.-Sep. 1996
- */
-
 #ifdef linux
 
-#ifdef TEST_JENSEN_CODE /* define to test the Sparse addressing on a non-Jensen */
-#define SPARSE (5)
-#define isJensen (1)
-#else
-#define isJensen (!_bus_base())
-#define SPARSE (7)
-#endif
-
 extern unsigned long _bus_base(void);
-extern unsigned long _bus_base_sparse(void);
-#define BUS_BASE (isJensen ? _bus_base_sparse() : _bus_base())
-#define JENSEN_SHIFT(x) (isJensen ? ((long)x<<SPARSE) : (long)x)
+#define BUS_BASE _bus_base()
 
 #else
 
 extern u_int64_t dense_base(void);
 #define BUS_BASE dense_base()
-#define JENSEN_SHIFT(x) ((long) x)
 
 #endif
 
@@ -141,8 +123,8 @@ xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
 	Offset += Base & (psize - 1);
 	Base &= ~(psize - 1);
 	mlen = (Offset + Len + psize - 1) & ~(psize - 1);
-	base = mmap((caddr_t)0, JENSEN_SHIFT(mlen), PROT_READ,
-		    MAP_SHARED, fd, (off_t)(JENSEN_SHIFT(Base) + BUS_BASE));
+	base = mmap((caddr_t)0, mlen, PROT_READ,
+		    MAP_SHARED, fd, (off_t)(Base + BUS_BASE));
 
 	if (base == MAP_FAILED)
 	{
@@ -151,10 +133,9 @@ xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
 		return(-1);
 	}
 
-	xf86SlowBCopyFromBus((unsigned char *)(base+JENSEN_SHIFT(Offset)), 
-								    Buf, Len);
+	xf86SlowBCopyFromBus((unsigned char *)(base+Offset), Buf, Len);
 
-	munmap((caddr_t)JENSEN_SHIFT(base), JENSEN_SHIFT(mlen));
+	munmap((caddr_t)base, mlen);
 	close(fd);
 	return(Len);
 }