summaryrefslogtreecommitdiffstats
path: root/arch/alpha/kernel/sys_dp264.c
blob: 5bd5259324b7c8827adb237facd7bf120edd4ca2 (plain)
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
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
/*
 *	linux/arch/alpha/kernel/sys_dp264.c
 *
 *	Copyright (C) 1995 David A Rusling
 *	Copyright (C) 1996, 1999 Jay A Estabrook
 *	Copyright (C) 1998, 1999 Richard Henderson
 *
 *	Modified by Christopher C. Chimelis, 2001 to
 *	add support for the addition of Shark to the
 *	Tsunami family.
 *
 * Code supporting the DP264 (EV6+TSUNAMI).
 */

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/bitops.h>

#include <asm/ptrace.h>
#include <asm/system.h>
#include <asm/dma.h>
#include <asm/irq.h>
#include <asm/mmu_context.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/core_tsunami.h>
#include <asm/hwrpb.h>
#include <asm/tlbflush.h>

#include "proto.h"
#include "irq_impl.h"
#include "pci_impl.h"
#include "machvec_impl.h"


/* Note mask bit is true for ENABLED irqs.  */
static unsigned long cached_irq_mask;
/* dp264 boards handle at max four CPUs */
static unsigned long cpu_irq_affinity[4] = { 0UL, 0UL, 0UL, 0UL };

DEFINE_SPINLOCK(dp264_irq_lock);

static void
tsunami_update_irq_hw(unsigned long mask)
{
	register tsunami_cchip *cchip = TSUNAMI_cchip;
	unsigned long isa_enable = 1UL << 55;
	register int bcpu = boot_cpuid;

#ifdef CONFIG_SMP
	volatile unsigned long *dim0, *dim1, *dim2, *dim3;
	unsigned long mask0, mask1, mask2, mask3, dummy;

	mask &= ~isa_enable;
	mask0 = mask & cpu_irq_affinity[0];
	mask1 = mask & cpu_irq_affinity[1];
	mask2 = mask & cpu_irq_affinity[2];
	mask3 = mask & cpu_irq_affinity[3];

	if (bcpu == 0) mask0 |= isa_enable;
	else if (bcpu == 1) mask1 |= isa_enable;
	else if (bcpu == 2) mask2 |= isa_enable;
	else mask3 |= isa_enable;

	dim0 = &cchip->dim0.csr;
	dim1 = &cchip->dim1.csr;
	dim2 = &cchip->dim2.csr;
	dim3 = &cchip->dim3.csr;
	if (!cpu_possible(0)) dim0 = &dummy;
	if (!cpu_possible(1)) dim1 = &dummy;
	if (!cpu_possible(2)) dim2 = &dummy;
	if (!cpu_possible(3)) dim3 = &dummy;

	*dim0 = mask0;
	*dim1 = mask1;
	*dim2 = mask2;
	*dim3 = mask3;
	mb();
	*dim0;
	*dim1;
	*dim2;
	*dim3;
#else
	volatile unsigned long *dimB;
	if (bcpu == 0) dimB = &cchip->dim0.csr;
	else if (bcpu == 1) dimB = &cchip->dim1.csr;
	else if (bcpu == 2) dimB = &cchip->dim2.csr;
	else dimB = &cchip->dim3.csr;

	*dimB = mask | isa_enable;
	mb();
	*dimB;
#endif
}

static void
dp264_enable_irq(unsigned int irq)
{
	spin_lock(&dp264_irq_lock);
	cached_irq_mask |= 1UL << irq;
	tsunami_update_irq_hw(cached_irq_mask);
	spin_unlock(&dp264_irq_lock);
}

static void
dp264_disable_irq(unsigned int irq)
{
	spin_lock(&dp264_irq_lock);
	cached_irq_mask &= ~(1UL << irq);
	tsunami_update_irq_hw(cached_irq_mask);
	spin_unlock(&dp264_irq_lock);
}

static unsigned int
dp264_startup_irq(unsigned int irq)
{ 
	dp264_enable_irq(irq);
	return 0; /* never anything pending */
}

static void
dp264_end_irq(unsigned int irq)
{ 
	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
		dp264_enable_irq(irq);
}

static void
clipper_enable_irq(unsigned int irq)
{
	spin_lock(&dp264_irq_lock);
	cached_irq_mask |= 1UL << (irq - 16);
	tsunami_update_irq_hw(cached_irq_mask);
	spin_unlock(&dp264_irq_lock);
}

static void
clipper_disable_irq(unsigned int irq)
{
	spin_lock(&dp264_irq_lock);
	cached_irq_mask &= ~(1UL << (irq - 16));
	tsunami_update_irq_hw(cached_irq_mask);
	spin_unlock(&dp264_irq_lock);
}

static unsigned int
clipper_startup_irq(unsigned int irq)
{ 
	clipper_enable_irq(irq);
	return 0; /* never anything pending */
}

static void
clipper_end_irq(unsigned int irq)
{ 
	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
		clipper_enable_irq(irq);
}

static void
cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
{
	int cpu;

	for (cpu = 0; cpu < 4; cpu++) {
		unsigned long aff = cpu_irq_affinity[cpu];
		if (cpu_isset(cpu, affinity))
			aff |= 1UL << irq;
		else
			aff &= ~(1UL << irq);
		cpu_irq_affinity[cpu] = aff;
	}
}

static int
dp264_set_affinity(unsigned int irq, const struct cpumask *affinity)
{ 
	spin_lock(&dp264_irq_lock);
	cpu_set_irq_affinity(irq, *affinity);
	tsunami_update_irq_hw(cached_irq_mask);
	spin_unlock(&dp264_irq_lock);

	return 0;
}

static int
clipper_set_affinity(unsigned int irq, const struct cpumask *affinity)
{ 
	spin_lock(&dp264_irq_lock);
	cpu_set_irq_affinity(irq - 16, *affinity);
	tsunami_update_irq_hw(cached_irq_mask);
	spin_unlock(&dp264_irq_lock);

	return 0;
}

static struct hw_interrupt_type dp264_irq_type = {
	.typename	= "DP264",
	.startup	= dp264_startup_irq,
	.shutdown	= dp264_disable_irq,
	.enable		= dp264_enable_irq,
	.disable	= dp264_disable_irq,
	.ack		= dp264_disable_irq,
	.end		= dp264_end_irq,
	.set_affinity	= dp264_set_affinity,
};

static struct hw_interrupt_type clipper_irq_type = {
	.typename	= "CLIPPER",
	.startup	= clipper_startup_irq,
	.shutdown	= clipper_disable_irq,
	.enable		= clipper_enable_irq,
	.disable	= clipper_disable_irq,
	.ack		= clipper_disable_irq,
	.end		= clipper_end_irq,
	.set_affinity	= clipper_set_affinity,
};

static void
dp264_device_interrupt(unsigned long vector)
{
#if 1
	printk("dp264_device_interrupt: NOT IMPLEMENTED YET!! \n");
#else
	unsigned long pld;
	unsigned int i;

	/* Read the interrupt summary register of TSUNAMI */
	pld = TSUNAMI_cchip->dir0.csr;

	/*
	 * Now for every possible bit set, work through them and call
	 * the appropriate interrupt handler.
	 */
	while (pld) {
		i = ffz(~pld);
		pld &= pld - 1; /* clear least bit set */
		if (i == 55)
			isa_device_interrupt(vector);
		else
			handle_irq(16 + i);
#if 0
		TSUNAMI_cchip->dir0.csr = 1UL << i; mb();
		tmp = TSUNAMI_cchip->dir0.csr;
#endif
	}
#endif
}

static void 
dp264_srm_device_interrupt(unsigned long vector)
{
	int irq;

	irq = (vector - 0x800) >> 4;

	/*
	 * The SRM console reports PCI interrupts with a vector calculated by:
	 *
	 *	0x900 + (0x10 * DRIR-bit)
	 *
	 * So bit 16 shows up as IRQ 32, etc.
	 * 
	 * On DP264/BRICK/MONET, we adjust it down by 16 because at least
	 * that many of the low order bits of the DRIR are not used, and
	 * so we don't count them.
	 */
	if (irq >= 32)
		irq -= 16;

	handle_irq(irq);
}

static void 
clipper_srm_device_interrupt(unsigned long vector)
{
	int irq;

	irq = (vector - 0x800) >> 4;

/*
	 * The SRM console reports PCI interrupts with a vector calculated by:
	 *
	 *	0x900 + (0x10 * DRIR-bit)
	 *
	 * So bit 16 shows up as IRQ 32, etc.
	 * 
	 * CLIPPER uses bits 8-47 for PCI interrupts, so we do not need
	 * to scale down the vector reported, we just use it.
	 *
	 * Eg IRQ 24 is DRIR bit 8, etc, etc
	 */
	handle_irq(irq);
}

static void __init
init_tsunami_irqs(struct hw_interrupt_type * ops, int imin, int imax)
{
	long i;
	for (i = imin; i <= imax; ++i) {
		irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL;
		irq_desc[i].chip = ops;
	}
}

static void __init
dp264_init_irq(void)
{
	outb(0, DMA1_RESET_REG);
	outb(0, DMA2_RESET_REG);
	outb(DMA_MODE_CASCADE, DMA2_MODE_REG);
	outb(0, DMA2_MASK_REG);

	if (alpha_using_srm)
		alpha_mv.device_interrupt = dp264_srm_device_interrupt;

	tsunami_update_irq_hw(0);

	init_i8259a_irqs();
	init_tsunami_irqs(&dp264_irq_type, 16, 47);
}

static void __init
clipper_init_irq(void)
{
	outb(0, DMA1_RESET_REG);
	outb(0, DMA2_RESET_REG);
	outb(DMA_MODE_CASCADE, DMA2_MODE_REG);
	outb(0, DMA2_MASK_REG);

	if (alpha_using_srm)
		alpha_mv.device_interrupt = clipper_srm_device_interrupt;

	tsunami_update_irq_hw(0);

	init_i8259a_irqs();
	init_tsunami_irqs(&clipper_irq_type, 24, 63);
}


/*
 * PCI Fixup configuration.
 *
 * Summary @ TSUNAMI_CSR_DIM0:
 * Bit      Meaning
 * 0-17     Unused
 *18        Interrupt SCSI B (Adaptec 7895 builtin)
 *19        Interrupt SCSI A (Adaptec 7895 builtin)
 *20        Interrupt Line D from slot 2 PCI0
 *21        Interrupt Line C from slot 2 PCI0
 *22        Interrupt Line B from slot 2 PCI0
 *23        Interrupt Line A from slot 2 PCI0
 *24        Interrupt Line D from slot 1 PCI0
 *25        Interrupt Line C from slot 1 PCI0
 *26        Interrupt Line B from slot 1 PCI0
 *27        Interrupt Line A from slot 1 PCI0
 *28        Interrupt Line D from slot 0 PCI0
 *29        Interrupt Line C from slot 0 PCI0
 *30        Interrupt Line B from slot 0 PCI0
 *31        Interrupt Line A from slot 0 PCI0
 *
 *32        Interrupt Line D from slot 3 PCI1
 *33        Interrupt Line C from slot 3 PCI1
 *34        Interrupt Line B from slot 3 PCI1
 *35        Interrupt Line A from slot 3 PCI1
 *36        Interrupt Line D from slot 2 PCI1
 *37        Interrupt Line C from slot 2 PCI1
 *38        Interrupt Line B from slot 2 PCI1
 *39        Interrupt Line A from slot 2 PCI1
 *40        Interrupt Line D from slot 1 PCI1
 *41        Interrupt Line C from slot 1 PCI1
 *42        Interrupt Line B from slot 1 PCI1
 *43        Interrupt Line A from slot 1 PCI1
 *44        Interrupt Line D from slot 0 PCI1
 *45        Interrupt Line C from slot 0 PCI1
 *46        Interrupt Line B from slot 0 PCI1
 *47        Interrupt Line A from slot 0 PCI1
 *48-52     Unused
 *53        PCI0 NMI (from Cypress)
 *54        PCI0 SMI INT (from Cypress)
 *55        PCI0 ISA Interrupt (from Cypress)
 *56-60     Unused
 *61        PCI1 Bus Error
 *62        PCI0 Bus Error
 *63        Reserved
 *
 * IdSel	
 *   5	 Cypress Bridge I/O
 *   6	 SCSI Adaptec builtin
 *   7	 64 bit PCI option slot 0 (all busses)
 *   8	 64 bit PCI option slot 1 (all busses)
 *   9	 64 bit PCI option slot 2 (all busses)
 *  10	 64 bit PCI option slot 3 (not bus 0)
 */

static int __init
isa_irq_fixup(struct pci_dev *dev, int irq)
{
	u8 irq8;

	if (irq > 0)
		return irq;

	/* This interrupt is routed via ISA bridge, so we'll
	   just have to trust whatever value the console might
	   have assigned.  */
	pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8);

	return irq8 & 0xf;
}

static int __init
dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
	static char irq_tab[6][5] __initdata = {
		/*INT    INTA   INTB   INTC   INTD */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 5 ISA Bridge */
		{ 16+ 3, 16+ 3, 16+ 2, 16+ 2, 16+ 2}, /* IdSel 6 SCSI builtin*/
		{ 16+15, 16+15, 16+14, 16+13, 16+12}, /* IdSel 7 slot 0 */
		{ 16+11, 16+11, 16+10, 16+ 9, 16+ 8}, /* IdSel 8 slot 1 */
		{ 16+ 7, 16+ 7, 16+ 6, 16+ 5, 16+ 4}, /* IdSel 9 slot 2 */
		{ 16+ 3, 16+ 3, 16+ 2, 16+ 1, 16+ 0}  /* IdSel 10 slot 3 */
	};
	const long min_idsel = 5, max_idsel = 10, irqs_per_slot = 5;
	struct pci_controller *hose = dev->sysdata;
	int irq = COMMON_TABLE_LOOKUP;

	if (irq > 0)
		irq += 16 * hose->index;

	return isa_irq_fixup(dev, irq);
}

static int __init
monet_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
	static char irq_tab[13][5] __initdata = {
		/*INT    INTA   INTB   INTC   INTD */
		{    45,    45,    45,    45,    45}, /* IdSel 3 21143 PCI1 */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 4 unused */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 5 unused */
		{    47,    47,    47,    47,    47}, /* IdSel 6 SCSI PCI1 */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 7 ISA Bridge */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 8 P2P PCI1 */
#if 1
		{    28,    28,    29,    30,    31}, /* IdSel 14 slot 4 PCI2*/
		{    24,    24,    25,    26,    27}, /* IdSel 15 slot 5 PCI2*/
#else
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 9 unused */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 10 unused */
#endif
		{    40,    40,    41,    42,    43}, /* IdSel 11 slot 1 PCI0*/
		{    36,    36,    37,    38,    39}, /* IdSel 12 slot 2 PCI0*/
		{    32,    32,    33,    34,    35}, /* IdSel 13 slot 3 PCI0*/
		{    28,    28,    29,    30,    31}, /* IdSel 14 slot 4 PCI2*/
		{    24,    24,    25,    26,    27}  /* IdSel 15 slot 5 PCI2*/
	};
	const long min_idsel = 3, max_idsel = 15, irqs_per_slot = 5;

	return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
}

static u8 __init
monet_swizzle(struct pci_dev *dev, u8 *pinp)
{
	struct pci_controller *hose = dev->sysdata;
	int slot, pin = *pinp;

	if (!dev->bus->parent) {
		slot = PCI_SLOT(dev->devfn);
	}
	/* Check for the built-in bridge on hose 1. */
	else if (hose->index == 1 && PCI_SLOT(dev->bus->self->devfn) == 8) {
		slot = PCI_SLOT(dev->devfn);
	} else {
		/* Must be a card-based bridge.  */
		do {
			/* Check for built-in bridge on hose 1. */
			if (hose->index == 1 &&
			    PCI_SLOT(dev->bus->self->devfn) == 8) {
				slot = PCI_SLOT(dev->devfn);
				break;
			}
			pin = pci_swizzle_interrupt_pin(dev, pin);

			/* Move up the chain of bridges.  */
			dev = dev->bus->self;
			/* Slot of the next bridge.  */
			slot = PCI_SLOT(dev->devfn);
		} while (dev->bus->self);
	}
	*pinp = pin;
	return slot;
}

static int __init
webbrick_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
	static char irq_tab[13][5] __initdata = {
		/*INT    INTA   INTB   INTC   INTD */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 7 ISA Bridge */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 8 unused */
		{    29,    29,    29,    29,    29}, /* IdSel 9 21143 #1 */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 10 unused */
		{    30,    30,    30,    30,    30}, /* IdSel 11 21143 #2 */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 12 unused */
		{    -1,    -1,    -1,    -1,    -1}, /* IdSel 13 unused */
		{    35,    35,    34,    33,    32}, /* IdSel 14 slot 0 */
		{    39,    39,    38,    37,    36}, /* IdSel 15 slot 1 */
		{    43,    43,    42,    41,    40}, /* IdSel 16 slot 2 */
		{    47,    47,    46,    45,    44}, /* IdSel 17 slot 3 */
	};
	const long min_idsel = 7, max_idsel = 17, irqs_per_slot = 5;

	return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
}

static int __init
clipper_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
	static char irq_tab[7][5] __initdata = {
		/*INT    INTA   INTB   INTC   INTD */
		{ 16+ 8, 16+ 8, 16+ 9, 16+10, 16+11}, /* IdSel 1 slot 1 */
		{ 16+12, 16+12, 16+13, 16+14, 16+15}, /* IdSel 2 slot 2 */
		{ 16+16, 16+16, 16+17, 16+18, 16+19}, /* IdSel 3 slot 3 */
		{ 16+20, 16+20, 16+21, 16+22, 16+23}, /* IdSel 4 slot 4 */
		{ 16+24, 16+24, 16+25, 16+26, 16+27}, /* IdSel 5 slot 5 */
		{ 16+28, 16+28, 16+29, 16+30, 16+31}, /* IdSel 6 slot 6 */
		{    -1,    -1,    -1,    -1,    -1}  /* IdSel 7 ISA Bridge */
	};
	const long min_idsel = 1, max_idsel = 7, irqs_per_slot = 5;
	struct pci_controller *hose = dev->sysdata;
	int irq = COMMON_TABLE_LOOKUP;

	if (irq > 0)
		irq += 16 * hose->index;

	return isa_irq_fixup(dev, irq);
}

static void __init
dp264_init_pci(void)
{
	common_init_pci();
	SMC669_Init(0);
	locate_and_init_vga(NULL);
}

static void __init
monet_init_pci(void)
{
	common_init_pci();
	SMC669_Init(1);
	es1888_init();
	locate_and_init_vga(NULL);
}

static void __init
clipper_init_pci(void)
{
	common_init_pci();
	locate_and_init_vga(NULL);
}

static void __init
webbrick_init_arch(void)
{
	tsunami_init_arch();

	/* Tsunami caches 4 PTEs at a time; DS10 has only 1 hose. */
	hose_head->sg_isa->align_entry = 4;
	hose_head->sg_pci->align_entry = 4;
}


/*
 * The System Vectors
 */

struct alpha_machine_vector dp264_mv __initmv = {
	.vector_name		= "DP264",
	DO_EV6_MMU,
	DO_DEFAULT_RTC,
	DO_TSUNAMI_IO,
	.machine_check		= tsunami_machine_check,
	.max_isa_dma_address	= ALPHA_MAX_ISA_DMA_ADDRESS,
	.min_io_address		= DEFAULT_IO_BASE,
	.min_mem_address	= DEFAULT_MEM_BASE,
	.pci_dac_offset		= TSUNAMI_DAC_OFFSET,

	.nr_irqs		= 64,
	.device_interrupt	= dp264_device_interrupt,

	.init_arch		= tsunami_init_arch,
	.init_irq		= dp264_init_irq,
	.init_rtc		= common_init_rtc,
	.init_pci		= dp264_init_pci,
	.kill_arch		= tsunami_kill_arch,
	.pci_map_irq		= dp264_map_irq,
	.pci_swizzle		= common_swizzle,
};
ALIAS_MV(dp264)

struct alpha_machine_vector monet_mv __initmv = {
	.vector_name		= "Monet",
	DO_EV6_MMU,
	DO_DEFAULT_RTC,
	DO_TSUNAMI_IO,
	.machine_check		= tsunami_machine_check,
	.max_isa_dma_address	= ALPHA_MAX_ISA_DMA_ADDRESS,
	.min_io_address		= DEFAULT_IO_BASE,
	.min_mem_address	= DEFAULT_MEM_BASE,
	.pci_dac_offset		= TSUNAMI_DAC_OFFSET,

	.nr_irqs		= 64,
	.device_interrupt	= dp264_device_interrupt,

	.init_arch		= tsunami_init_arch,
	.init_irq		= dp264_init_irq,
	.init_rtc		= common_init_rtc,
	.init_pci		= monet_init_pci,
	.kill_arch		= tsunami_kill_arch,
	.pci_map_irq		= monet_map_irq,
	.pci_swizzle		= monet_swizzle,
};

struct alpha_machine_vector webbrick_mv __initmv = {
	.vector_name		= "Webbrick",
	DO_EV6_MMU,
	DO_DEFAULT_RTC,
	DO_TSUNAMI_IO,
	.machine_check		= tsunami_machine_check,
	.max_isa_dma_address	= ALPHA_MAX_ISA_DMA_ADDRESS,
	.min_io_address		= DEFAULT_IO_BASE,
	.min_mem_address	= DEFAULT_MEM_BASE,
	.pci_dac_offset		= TSUNAMI_DAC_OFFSET,

	.nr_irqs		= 64,
	.device_interrupt	= dp264_device_interrupt,

	.init_arch		= webbrick_init_arch,
	.init_irq		= dp264_init_irq,
	.init_rtc		= common_init_rtc,
	.init_pci		= common_init_pci,
	.kill_arch		= tsunami_kill_arch,
	.pci_map_irq		= webbrick_map_irq,
	.pci_swizzle		= common_swizzle,
};

struct alpha_machine_vector clipper_mv __initmv = {
	.vector_name		= "Clipper",
	DO_EV6_MMU,
	DO_DEFAULT_RTC,
	DO_TSUNAMI_IO,
	.machine_check		= tsunami_machine_check,
	.max_isa_dma_address	= ALPHA_MAX_ISA_DMA_ADDRESS,
	.min_io_address		= DEFAULT_IO_BASE,
	.min_mem_address	= DEFAULT_MEM_BASE,
	.pci_dac_offset		= TSUNAMI_DAC_OFFSET,

	.nr_irqs		= 64,
	.device_interrupt	= dp264_device_interrupt,

	.init_arch		= tsunami_init_arch,
	.init_irq		= clipper_init_irq,
	.init_rtc		= common_init_rtc,
	.init_pci		= clipper_init_pci,
	.kill_arch		= tsunami_kill_arch,
	.pci_map_irq		= clipper_map_irq,
	.pci_swizzle		= common_swizzle,
};

/* Sharks strongly resemble Clipper, at least as far
 * as interrupt routing, etc, so we're using the
 * same functions as Clipper does
 */

struct alpha_machine_vector shark_mv __initmv = {
	.vector_name		= "Shark",
	DO_EV6_MMU,
	DO_DEFAULT_RTC,
	DO_TSUNAMI_IO,
	.machine_check		= tsunami_machine_check,
	.max_isa_dma_address	= ALPHA_MAX_ISA_DMA_ADDRESS,
	.min_io_address		= DEFAULT_IO_BASE,
	.min_mem_address	= DEFAULT_MEM_BASE,
	.pci_dac_offset		= TSUNAMI_DAC_OFFSET,

	.nr_irqs		= 64,
	.device_interrupt	= dp264_device_interrupt,

	.init_arch		= tsunami_init_arch,
	.init_irq		= clipper_init_irq,
	.init_rtc		= common_init_rtc,
	.init_pci		= common_init_pci,
	.kill_arch		= tsunami_kill_arch,
	.pci_map_irq		= clipper_map_irq,
	.pci_swizzle		= common_swizzle,
};

/* No alpha_mv alias for webbrick/monet/clipper, since we compile them
   in unconditionally with DP264; setup_arch knows how to cope.  */
OpenPOWER on IntegriCloud