File: core_mcpcia.h

package info (click to toggle)
kernel-source-sparc-2.2.1 2.2.1
  • links: PTS
  • area: main
  • in suites: slink
  • size: 62,800 kB
  • ctags: 188,320
  • sloc: ansic: 1,114,164; asm: 49,922; makefile: 8,272; sh: 1,831; perl: 1,584; tcl: 409; lisp: 218; cpp: 186; awk: 133; sed: 72
file content (619 lines) | stat: -rw-r--r-- 18,463 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
#ifndef __ALPHA_MCPCIA__H__
#define __ALPHA_MCPCIA__H__

#include <linux/config.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <asm/compiler.h>

/*
 * MCPCIA is the internal name for a core logic chipset which provides
 * PCI access for the RAWHIDE family of systems.
 *
 * This file is based on:
 *
 * RAWHIDE System Programmer's Manual
 * 16-May-96
 * Rev. 1.4
 *
 */

/*------------------------------------------------------------------------**
**                                                                        **
**  I/O procedures                                                        **
**                                                                        **
**      inport[b|w|t|l], outport[b|w|t|l] 8:16:24:32 IO xfers             **
**	inportbxt: 8 bits only                                            **
**      inport:    alias of inportw                                       **
**      outport:   alias of outportw                                      **
**                                                                        **
**      inmem[b|w|t|l], outmem[b|w|t|l] 8:16:24:32 ISA memory xfers       **
**	inmembxt: 8 bits only                                             **
**      inmem:    alias of inmemw                                         **
**      outmem:   alias of outmemw                                        **
**                                                                        **
**------------------------------------------------------------------------*/


/* MCPCIA ADDRESS BIT DEFINITIONS
 *
 *  3 3 3 3|3 3 3 3|3 3 2 2|2 2 2 2|2 2 2 2|1 1 1 1|1 1 1 1|1 1 
 *  9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0|9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |1| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |0|0|0|
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 
 *  |                                                                        \_/ \_/
 *  |                                                                         |   |
 *  +-- IO space, not cached.                                   Byte Enable --+   |
 *                                                              Transfer Length --+
 *
 *
 *
 *   Byte      Transfer
 *   Enable    Length    Transfer  Byte    Address
 *   adr<6:5>  adr<4:3>  Length    Enable  Adder
 *   ---------------------------------------------
 *      00        00      Byte      1110   0x000
 *      01        00      Byte      1101   0x020
 *      10        00      Byte      1011   0x040
 *      11        00      Byte      0111   0x060
 *
 *      00        01      Word      1100   0x008
 *      01        01      Word      1001   0x028 <= Not supported in this code.
 *      10        01      Word      0011   0x048
 *
 *      00        10      Tribyte   1000   0x010
 *      01        10      Tribyte   0001   0x030
 *
 *      10        11      Longword  0000   0x058
 *
 *      Note that byte enables are asserted low.
 *
 */

#define MCPCIA_MEM_MASK 0x07ffffff /* SPARSE Mem region mask is 27 bits */

#define MCPCIA_DMA_WIN_BASE_DEFAULT    (2*1024*1024*1024U)
#define MCPCIA_DMA_WIN_SIZE_DEFAULT    (2*1024*1024*1024U)

#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM_SETUP)
#define MCPCIA_DMA_WIN_BASE		alpha_mv.dma_win_base
#define MCPCIA_DMA_WIN_SIZE		alpha_mv.dma_win_size
#else
#define MCPCIA_DMA_WIN_BASE		MCPCIA_DMA_WIN_BASE_DEFAULT
#define MCPCIA_DMA_WIN_SIZE		MCPCIA_DMA_WIN_SIZE_DEFAULT
#endif

#define HOSE(h) (((unsigned long)(h)) << 33)

/*
 *  General Registers
 */
#define MCPCIA_REV(h)		(IDENT_ADDR + 0xf9e0000000UL + HOSE(h))
#define MCPCIA_WHOAMI(h)	(IDENT_ADDR + 0xf9e0000040UL + HOSE(h))
#define MCPCIA_PCI_LAT(h)	(IDENT_ADDR + 0xf9e0000080UL + HOSE(h))
#define MCPCIA_CAP_CTRL(h)	(IDENT_ADDR + 0xf9e0000100UL + HOSE(h))
#define MCPCIA_HAE_MEM(h)	(IDENT_ADDR + 0xf9e0000400UL + HOSE(h))
#define MCPCIA_HAE_IO(h)	(IDENT_ADDR + 0xf9e0000440UL + HOSE(h))
#if 0
#define MCPCIA_IACK_SC(h)	(IDENT_ADDR + 0xf9e0000480UL + HOSE(h))
#endif
#define MCPCIA_HAE_DENSE(h)	(IDENT_ADDR + 0xf9e00004c0UL + HOSE(h))

/*
 * Interrupt Control registers
 */
#define MCPCIA_INT_CTL(h)	(IDENT_ADDR + 0xf9e0000500UL + HOSE(h))
#define MCPCIA_INT_REQ(h)	(IDENT_ADDR + 0xf9e0000540UL + HOSE(h))
#define MCPCIA_INT_TARG(h)	(IDENT_ADDR + 0xf9e0000580UL + HOSE(h))
#define MCPCIA_INT_ADR(h)	(IDENT_ADDR + 0xf9e00005c0UL + HOSE(h))
#define MCPCIA_INT_ADR_EXT(h)	(IDENT_ADDR + 0xf9e0000600UL + HOSE(h))
#define MCPCIA_INT_MASK0(h)	(IDENT_ADDR + 0xf9e0000640UL + HOSE(h))
#define MCPCIA_INT_MASK1(h)	(IDENT_ADDR + 0xf9e0000680UL + HOSE(h))
#define MCPCIA_INT_ACK0(h)	(IDENT_ADDR + 0xf9f0003f00UL + HOSE(h))
#define MCPCIA_INT_ACK1(h)	(IDENT_ADDR + 0xf9e0003f40UL + HOSE(h))

/*
 * Performance Monitor registers
 */
#define MCPCIA_PERF_MONITOR(h)	(IDENT_ADDR + 0xf9e0000300UL + HOSE(h))
#define MCPCIA_PERF_CONTROL(h)	(IDENT_ADDR + 0xf9e0000340UL + HOSE(h))

/*
 * Diagnostic Registers
 */
#define MCPCIA_CAP_DIAG(h)	(IDENT_ADDR + 0xf9e0000700UL + HOSE(h))
#define MCPCIA_TOP_OF_MEM(h)	(IDENT_ADDR + 0xf9e00007c0UL + HOSE(h))

/*
 * Error registers
 */
#define MCPCIA_MC_ERR0(h)	(IDENT_ADDR + 0xf9e0000800UL + HOSE(h))
#define MCPCIA_MC_ERR1(h)	(IDENT_ADDR + 0xf9e0000840UL + HOSE(h))
#define MCPCIA_CAP_ERR(h)	(IDENT_ADDR + 0xf9e0000880UL + HOSE(h))
#define MCPCIA_PCI_ERR1(h)	(IDENT_ADDR + 0xf9e0001040UL + HOSE(h))

/*
 * PCI Address Translation Registers.
 */
#define MCPCIA_SG_TBIA(h)	(IDENT_ADDR + 0xf9e0001300UL + HOSE(h))
#define MCPCIA_HBASE(h)		(IDENT_ADDR + 0xf9e0001340UL + HOSE(h))

#define MCPCIA_W0_BASE(h)	(IDENT_ADDR + 0xf9e0001400UL + HOSE(h))
#define MCPCIA_W0_MASK(h)	(IDENT_ADDR + 0xf9e0001440UL + HOSE(h))
#define MCPCIA_T0_BASE(h)	(IDENT_ADDR + 0xf9e0001480UL + HOSE(h))

#define MCPCIA_W1_BASE(h)	(IDENT_ADDR + 0xf9e0001500UL + HOSE(h))
#define MCPCIA_W1_MASK(h)	(IDENT_ADDR + 0xf9e0001540UL + HOSE(h))
#define MCPCIA_T1_BASE(h)	(IDENT_ADDR + 0xf9e0001580UL + HOSE(h))

#define MCPCIA_W2_BASE(h)	(IDENT_ADDR + 0xf9e0001600UL + HOSE(h))
#define MCPCIA_W2_MASK(h)	(IDENT_ADDR + 0xf9e0001640UL + HOSE(h))
#define MCPCIA_T2_BASE(h)	(IDENT_ADDR + 0xf9e0001680UL + HOSE(h))

#define MCPCIA_W3_BASE(h)	(IDENT_ADDR + 0xf9e0001700UL + HOSE(h))
#define MCPCIA_W3_MASK(h)	(IDENT_ADDR + 0xf9e0001740UL + HOSE(h))
#define MCPCIA_T3_BASE(h)	(IDENT_ADDR + 0xf9e0001780UL + HOSE(h))

/*
 * Memory spaces:
 */
#define MCPCIA_CONF(h)		(IDENT_ADDR + 0xf9c0000000UL + HOSE(h))
#define MCPCIA_IO(h)		(IDENT_ADDR + 0xf980000000UL + HOSE(h))
#define MCPCIA_SPARSE(h)	(IDENT_ADDR + 0xf800000000UL + HOSE(h))
#define MCPCIA_DENSE(h)		(IDENT_ADDR + 0xf900000000UL + HOSE(h))
#define _MCPCIA_IACK_SC(h)	(IDENT_ADDR + 0xf9f0003f00UL + HOSE(h))

#define MCPCIA_HAE_ADDRESS	MCPCIA_HAE_MEM(0)
#define MCPCIA_IACK_SC		_MCPCIA_IACK_SC(0)

/*
 * Data structure for handling MCPCIA machine checks:
 */
struct el_MCPCIA_uncorrected_frame_mcheck {
        struct el_common header;
        struct el_common_EV5_uncorrectable_mcheck procdata;
};


#ifdef __KERNEL__

#ifndef __EXTERN_INLINE
#define __EXTERN_INLINE extern inline
#define __IO_EXTERN_INLINE
#endif

/*
 * Translate physical memory address as seen on (PCI) bus into
 * a kernel virtual address and vv.
 */

__EXTERN_INLINE unsigned long mcpcia_virt_to_bus(void * address)
{
	return virt_to_phys(address) + MCPCIA_DMA_WIN_BASE;
}

__EXTERN_INLINE void * mcpcia_bus_to_virt(unsigned long address)
{
	return phys_to_virt(address - MCPCIA_DMA_WIN_BASE);
}

/*
 * I/O functions:
 *
 * MCPCIA, the RAWHIDE family PCI/memory support chipset for the EV5 (21164)
 * and EV56 (21164a) processors, can use either a sparse address mapping
 * scheme, or the so-called byte-word PCI address space, to get at PCI memory
 * and I/O.
 *
 * Unfortunately, we can't use BWIO with EV5, so for now, we always use SPARSE.
 */

#define vucp	volatile unsigned char *
#define vusp	volatile unsigned short *
#define vip	volatile int *
#define vuip	volatile unsigned int *
#define vulp	volatile unsigned long *

#if 0 /* BWIO */
__EXTERN_INLINE unsigned int mcpcia_bw_inb(unsigned long addr)
{
	return __kernel_ldbu(*(vucp)(addr+MCPCIA_BW_IO));
}

__EXTERN_INLINE void mcpcia_bw_outb(unsigned char b, unsigned long addr)
{
	__kernel_stb(b, *(vucp)(addr+MCPCIA_BW_IO));
	mb();
}

__EXTERN_INLINE unsigned int mcpcia_bw_inw(unsigned long addr)
{
	return __kernel_ldwu(*(vusp)(addr+MCPCIA_BW_IO));
}

__EXTERN_INLINE void mcpcia_bw_outw(unsigned short b, unsigned long addr)
{
	__kernel_stw(b, *(vusp)(addr+MCPCIA_BW_IO));
	mb();
}

__EXTERN_INLINE unsigned int mcpcia_bw_inl(unsigned long addr)
{
	return *(vuip)(addr+MCPCIA_BW_IO);
}

__EXTERN_INLINE void mcpcia_bw_outl(unsigned int b, unsigned long addr)
{
	*(vuip)(addr+MCPCIA_BW_IO) = b;
	mb();
}
#endif

__EXTERN_INLINE unsigned int mcpcia_inb(unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	long result = *(vip) ((addr << 5) + MCPCIA_IO(hose) + 0x00);
	return __kernel_extbl(result, addr & 3);
}

__EXTERN_INLINE void mcpcia_outb(unsigned char b, unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	unsigned long w;

	w = __kernel_insbl(b, addr & 3);
	*(vuip) ((addr << 5) + MCPCIA_IO(hose) + 0x00) = w;
	mb();
}

__EXTERN_INLINE unsigned int mcpcia_inw(unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	long result = *(vip) ((addr << 5) + MCPCIA_IO(hose) + 0x08);
	return __kernel_extwl(result, addr & 3);
}

__EXTERN_INLINE void mcpcia_outw(unsigned short b, unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	unsigned long w;

	w = __kernel_inswl(b, addr & 3);
	*(vuip) ((addr << 5) + MCPCIA_IO(hose) + 0x08) = w;
	mb();
}

__EXTERN_INLINE unsigned int mcpcia_inl(unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	return *(vuip) ((addr << 5) + MCPCIA_IO(hose) + 0x18);
}

__EXTERN_INLINE void mcpcia_outl(unsigned int b, unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	*(vuip) ((addr << 5) + MCPCIA_IO(hose) + 0x18) = b;
	mb();
}


/*
 * Memory functions.  64-bit and 32-bit accesses are done through
 * dense memory space, everything else through sparse space.
 * 
 * For reading and writing 8 and 16 bit quantities we need to 
 * go through one of the three sparse address mapping regions
 * and use the HAE_MEM CSR to provide some bits of the address.
 * The following few routines use only sparse address region 1
 * which gives 1Gbyte of accessible space which relates exactly
 * to the amount of PCI memory mapping *into* system address space.
 * See p 6-17 of the specification but it looks something like this:
 *
 * 21164 Address:
 * 
 *          3         2         1
 * 9876543210987654321098765432109876543210
 * 1ZZZZ0.PCI.QW.Address............BBLL                 
 *
 * ZZ = SBZ
 * BB = Byte offset
 * LL = Transfer length
 *
 * PCI Address:
 *
 * 3         2         1
 * 10987654321098765432109876543210
 * HHH....PCI.QW.Address........ 00
 *
 * HHH = 31:29 HAE_MEM CSR
 * 
 */

#if 0 /* BWIO */
__EXTERN_INLINE unsigned long mcpcia_bw_readb(unsigned long addr)
{
	return __kernel_ldbu(*(vucp)(addr+MCPCIA_BW_MEM));
}

__EXTERN_INLINE unsigned long mcpcia_bw_readw(unsigned long addr)
{
	return __kernel_ldbw(*(vusp)(addr+MCPCIA_BW_MEM));
}

__EXTERN_INLINE unsigned long mcpcia_bw_readl(unsigned long addr)
{
	return *(vuip)(addr + MCPCIA_BW_MEM);
}

__EXTERN_INLINE unsigned long mcpcia_bw_readq(unsigned long addr)
{
	return *(vulp)(addr + MCPCIA_BW_MEM);
}

__EXTERN_INLINE void mcpcia_bw_writeb(unsigned char b, unsigned long addr)
{
	__kernel_stb(b, *(vucp)(addr+MCPCIA_BW_MEM));
}

__EXTERN_INLINE void mcpcia_bw_writew(unsigned short b, unsigned long addr)
{
	__kernel_stw(b, *(vusp)(addr+MCPCIA_BW_MEM));
}

__EXTERN_INLINE void mcpcia_bw_writel(unsigned int b, unsigned long addr)
{
	*(vuip)(addr+MCPCIA_BW_MEM) = b;
}

__EXTERN_INLINE void mcpcia_bw_writeq(unsigned long b, unsigned long addr)
{
	*(vulp)(addr+MCPCIA_BW_MEM) = b;
}
#endif

__EXTERN_INLINE unsigned long mcpcia_srm_base(unsigned long addr)
{
	unsigned long mask, base;
	unsigned long hose = (addr >> 32) & 3;

	if (addr >= alpha_mv.sm_base_r1
	    && addr <= alpha_mv.sm_base_r1 + MCPCIA_MEM_MASK) {
		mask = MCPCIA_MEM_MASK;
		base = MCPCIA_SPARSE(hose);
	}
	else
	{
#if 0
	  printk("mcpcia: address 0x%lx not covered by HAE\n", addr);
#endif
	  return 0;
	}

	return ((addr & mask) << 5) + base;
}

__EXTERN_INLINE unsigned long mcpcia_srm_readb(unsigned long addr)
{
	unsigned long result, work;

	if ((work = mcpcia_srm_base(addr)) == 0)
		return 0xff;
	work += 0x00;	/* add transfer length */

	result = *(vip) work;
	return __kernel_extbl(result, addr & 3);
}

__EXTERN_INLINE unsigned long mcpcia_srm_readw(unsigned long addr)
{
	unsigned long result, work;

	if ((work = mcpcia_srm_base(addr)) == 0)
		return 0xffff;
	work += 0x08;	/* add transfer length */

	result = *(vip) work;
	return __kernel_extwl(result, addr & 3);
}

__EXTERN_INLINE void mcpcia_srm_writeb(unsigned char b, unsigned long addr)
{
	unsigned long work = mcpcia_srm_base(addr);
	if (work) {
		work += 0x00;	/* add transfer length */
		*(vuip) work = b * 0x01010101;
	}
}

__EXTERN_INLINE void mcpcia_srm_writew(unsigned short b, unsigned long addr)
{
	unsigned long work = mcpcia_srm_base(addr);
	if (work) {
		work += 0x08;	/* add transfer length */
		*(vuip) work = b * 0x00010001;
	}
}

__EXTERN_INLINE unsigned long mcpcia_readb(unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	unsigned long result, msb, work, temp;

	msb = addr & ~MCPCIA_MEM_MASK;
	temp = addr & MCPCIA_MEM_MASK;
	set_hae(msb);

	work = ((temp << 5) + MCPCIA_SPARSE(hose) + 0x00);
	result = *(vip) work;
	return __kernel_extbl(result, addr & 3);
}

__EXTERN_INLINE unsigned long mcpcia_readw(unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	unsigned long result, msb, work, temp;

	msb = addr & ~MCPCIA_MEM_MASK;
	temp = addr & MCPCIA_MEM_MASK ;
	set_hae(msb);

	work = ((temp << 5) + MCPCIA_SPARSE(hose) + 0x08);
	result = *(vip) work;
	return __kernel_extwl(result, addr & 3);
}

__EXTERN_INLINE void mcpcia_writeb(unsigned char b, unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
        unsigned long msb; 

	msb = addr & ~MCPCIA_MEM_MASK;
	addr &= MCPCIA_MEM_MASK;
	set_hae(msb);

	*(vuip) ((addr << 5) + MCPCIA_SPARSE(hose) + 0x00) = b * 0x01010101;
}

__EXTERN_INLINE void mcpcia_writew(unsigned short b, unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
        unsigned long msb ; 

	msb = addr & ~MCPCIA_MEM_MASK ;
	addr &= MCPCIA_MEM_MASK ;
	set_hae(msb);

	*(vuip) ((addr << 5) + MCPCIA_SPARSE(hose) + 0x08) = b * 0x00010001;
}

__EXTERN_INLINE unsigned long mcpcia_readl(unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	return *(vuip) (addr + MCPCIA_DENSE(hose));
}

__EXTERN_INLINE unsigned long mcpcia_readq(unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	return *(vulp) (addr + MCPCIA_DENSE(hose));
}

__EXTERN_INLINE void mcpcia_writel(unsigned int b, unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	*(vuip) (addr + MCPCIA_DENSE(hose)) = b;
}

__EXTERN_INLINE void mcpcia_writeq(unsigned long b, unsigned long in_addr)
{
	unsigned long addr = in_addr & 0xffffffffUL;
	unsigned long hose = (in_addr >> 32) & 3;
	*(vulp) (addr + MCPCIA_DENSE(hose)) = b;
}

/* Find the DENSE memory area for a given bus address.  */

__EXTERN_INLINE unsigned long mcpcia_dense_mem(unsigned long addr)
{
	return MCPCIA_DENSE((addr >> 32) & 3);
}

#undef vucp
#undef vusp
#undef vip
#undef vuip
#undef vulp

#ifdef __WANT_IO_DEF

#define virt_to_bus	mcpcia_virt_to_bus
#define bus_to_virt	mcpcia_bus_to_virt

#if 0 /* BWIO */
# define __inb		mcpcia_bw_inb
# define __inw		mcpcia_bw_inw
# define __inl		mcpcia_bw_inl
# define __outb		mcpcia_bw_outb
# define __outw		mcpcia_bw_outw
# define __outl		mcpcia_bw_outl
# define __readb	mcpcia_bw_readb
# define __readw	mcpcia_bw_readw
# define __writeb	mcpcia_bw_writeb
# define __writew	mcpcia_bw_writew
# define __readl	mcpcia_bw_readl
# define __readq	mcpcia_bw_readq
# define __writel	mcpcia_bw_writel
# define __writeq	mcpcia_bw_writeq
#else
# define __inb		mcpcia_inb
# define __inw		mcpcia_inw
# define __inl		mcpcia_inl
# define __outb		mcpcia_outb
# define __outw		mcpcia_outw
# define __outl		mcpcia_outl
# ifdef CONFIG_ALPHA_SRM_SETUP
#  define __readb	mcpcia_srm_readb
#  define __readw	mcpcia_srm_readw
#  define __writeb	mcpcia_srm_writeb
#  define __writew	mcpcia_srm_writew
# else
#  define __readb	mcpcia_readb
#  define __readw	mcpcia_readw
#  define __writeb	mcpcia_writeb
#  define __writew	mcpcia_writew
# endif
# define __readl	mcpcia_readl
# define __readq	mcpcia_readq
# define __writel	mcpcia_writel
# define __writeq	mcpcia_writeq
#endif /* BWIO */

#define dense_mem	mcpcia_dense_mem

#if 0 /* BWIO */
# define inb(port) __inb((port))
# define inw(port) __inw((port))
# define inl(port) __inl((port))
# define outb(x, port) __outb((x),(port))
# define outw(x, port) __outw((x),(port))
# define outl(x, port) __outl((x),(port))
# define readb(addr) __readb((addr))
# define readw(addr) __readw((addr))
# define writeb(b, addr) __writeb((b),(addr))
# define writew(b, addr) __writew((b),(addr))
#else
# define inb(port) \
  (__builtin_constant_p((port))?__inb(port):_inb(port))
# define outb(x, port) \
  (__builtin_constant_p((port))?__outb((x),(port)):_outb((x),(port)))
#endif /* BWIO */

#define readl(a)	__readl((unsigned long)(a))
#define readq(a)	__readq((unsigned long)(a))
#define writel(v,a)	__writel((v),(unsigned long)(a))
#define writeq(v,a)	__writeq((v),(unsigned long)(a))

#endif /* __WANT_IO_DEF */

#ifdef __IO_EXTERN_INLINE
#undef __EXTERN_INLINE
#undef __IO_EXTERN_INLINE
#endif

#endif /* __KERNEL__ */

#endif /* __ALPHA_MCPCIA__H__ */