1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * linux/arch/alpha/kernel/sys_dp264.c
4 *
5 * Copyright (C) 1995 David A Rusling
6 * Copyright (C) 1996, 1999 Jay A Estabrook
7 * Copyright (C) 1998, 1999 Richard Henderson
8 *
9 * Modified by Christopher C. Chimelis, 2001 to
10 * add support for the addition of Shark to the
11 * Tsunami family.
12 *
13 * Code supporting the DP264 (EV6+TSUNAMI).
14 */
15
16 #include <linux/kernel.h>
17 #include <linux/types.h>
18 #include <linux/mm.h>
19 #include <linux/sched.h>
20 #include <linux/pci.h>
21 #include <linux/init.h>
22 #include <linux/bitops.h>
23
24 #include <asm/ptrace.h>
25 #include <asm/dma.h>
26 #include <asm/irq.h>
27 #include <asm/mmu_context.h>
28 #include <asm/io.h>
29 #include <asm/core_tsunami.h>
30 #include <asm/hwrpb.h>
31 #include <asm/tlbflush.h>
32
33 #include "proto.h"
34 #include "irq_impl.h"
35 #include "pci_impl.h"
36 #include "machvec_impl.h"
37
38
39 /* Note mask bit is true for ENABLED irqs. */
40 static unsigned long cached_irq_mask;
41 /* dp264 boards handle at max four CPUs */
42 static unsigned long cpu_irq_affinity[4] = { 0UL, 0UL, 0UL, 0UL };
43
44 DEFINE_SPINLOCK(dp264_irq_lock);
45
46 static void
tsunami_update_irq_hw(unsigned long mask)47 tsunami_update_irq_hw(unsigned long mask)
48 {
49 register tsunami_cchip *cchip = TSUNAMI_cchip;
50 unsigned long isa_enable = 1UL << 55;
51 register int bcpu = boot_cpuid;
52
53 #ifdef CONFIG_SMP
54 volatile unsigned long *dim0, *dim1, *dim2, *dim3;
55 unsigned long mask0, mask1, mask2, mask3, dummy;
56
57 mask &= ~isa_enable;
58 mask0 = mask & cpu_irq_affinity[0];
59 mask1 = mask & cpu_irq_affinity[1];
60 mask2 = mask & cpu_irq_affinity[2];
61 mask3 = mask & cpu_irq_affinity[3];
62
63 if (bcpu == 0) mask0 |= isa_enable;
64 else if (bcpu == 1) mask1 |= isa_enable;
65 else if (bcpu == 2) mask2 |= isa_enable;
66 else mask3 |= isa_enable;
67
68 dim0 = &cchip->dim0.csr;
69 dim1 = &cchip->dim1.csr;
70 dim2 = &cchip->dim2.csr;
71 dim3 = &cchip->dim3.csr;
72 if (!cpu_possible(0)) dim0 = &dummy;
73 if (!cpu_possible(1)) dim1 = &dummy;
74 if (!cpu_possible(2)) dim2 = &dummy;
75 if (!cpu_possible(3)) dim3 = &dummy;
76
77 *dim0 = mask0;
78 *dim1 = mask1;
79 *dim2 = mask2;
80 *dim3 = mask3;
81 mb();
82 *dim0;
83 *dim1;
84 *dim2;
85 *dim3;
86 #else
87 volatile unsigned long *dimB;
88 if (bcpu == 0) dimB = &cchip->dim0.csr;
89 else if (bcpu == 1) dimB = &cchip->dim1.csr;
90 else if (bcpu == 2) dimB = &cchip->dim2.csr;
91 else dimB = &cchip->dim3.csr;
92
93 *dimB = mask | isa_enable;
94 mb();
95 *dimB;
96 #endif
97 }
98
99 static void
dp264_enable_irq(struct irq_data * d)100 dp264_enable_irq(struct irq_data *d)
101 {
102 spin_lock(&dp264_irq_lock);
103 cached_irq_mask |= 1UL << d->irq;
104 tsunami_update_irq_hw(cached_irq_mask);
105 spin_unlock(&dp264_irq_lock);
106 }
107
108 static void
dp264_disable_irq(struct irq_data * d)109 dp264_disable_irq(struct irq_data *d)
110 {
111 spin_lock(&dp264_irq_lock);
112 cached_irq_mask &= ~(1UL << d->irq);
113 tsunami_update_irq_hw(cached_irq_mask);
114 spin_unlock(&dp264_irq_lock);
115 }
116
117 static void
clipper_enable_irq(struct irq_data * d)118 clipper_enable_irq(struct irq_data *d)
119 {
120 spin_lock(&dp264_irq_lock);
121 cached_irq_mask |= 1UL << (d->irq - 16);
122 tsunami_update_irq_hw(cached_irq_mask);
123 spin_unlock(&dp264_irq_lock);
124 }
125
126 static void
clipper_disable_irq(struct irq_data * d)127 clipper_disable_irq(struct irq_data *d)
128 {
129 spin_lock(&dp264_irq_lock);
130 cached_irq_mask &= ~(1UL << (d->irq - 16));
131 tsunami_update_irq_hw(cached_irq_mask);
132 spin_unlock(&dp264_irq_lock);
133 }
134
135 static void
cpu_set_irq_affinity(unsigned int irq,cpumask_t affinity)136 cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
137 {
138 int cpu;
139
140 for (cpu = 0; cpu < 4; cpu++) {
141 unsigned long aff = cpu_irq_affinity[cpu];
142 if (cpumask_test_cpu(cpu, &affinity))
143 aff |= 1UL << irq;
144 else
145 aff &= ~(1UL << irq);
146 cpu_irq_affinity[cpu] = aff;
147 }
148 }
149
150 static int
dp264_set_affinity(struct irq_data * d,const struct cpumask * affinity,bool force)151 dp264_set_affinity(struct irq_data *d, const struct cpumask *affinity,
152 bool force)
153 {
154 spin_lock(&dp264_irq_lock);
155 cpu_set_irq_affinity(d->irq, *affinity);
156 tsunami_update_irq_hw(cached_irq_mask);
157 spin_unlock(&dp264_irq_lock);
158
159 return 0;
160 }
161
162 static int
clipper_set_affinity(struct irq_data * d,const struct cpumask * affinity,bool force)163 clipper_set_affinity(struct irq_data *d, const struct cpumask *affinity,
164 bool force)
165 {
166 spin_lock(&dp264_irq_lock);
167 cpu_set_irq_affinity(d->irq - 16, *affinity);
168 tsunami_update_irq_hw(cached_irq_mask);
169 spin_unlock(&dp264_irq_lock);
170
171 return 0;
172 }
173
174 static struct irq_chip dp264_irq_type = {
175 .name = "DP264",
176 .irq_unmask = dp264_enable_irq,
177 .irq_mask = dp264_disable_irq,
178 .irq_mask_ack = dp264_disable_irq,
179 .irq_set_affinity = dp264_set_affinity,
180 };
181
182 static struct irq_chip clipper_irq_type = {
183 .name = "CLIPPER",
184 .irq_unmask = clipper_enable_irq,
185 .irq_mask = clipper_disable_irq,
186 .irq_mask_ack = clipper_disable_irq,
187 .irq_set_affinity = clipper_set_affinity,
188 };
189
190 static void
dp264_device_interrupt(unsigned long vector)191 dp264_device_interrupt(unsigned long vector)
192 {
193 unsigned long pld;
194 unsigned int i;
195
196 /* Read the interrupt summary register of TSUNAMI */
197 pld = TSUNAMI_cchip->dir0.csr;
198
199 /*
200 * Now for every possible bit set, work through them and call
201 * the appropriate interrupt handler.
202 */
203 while (pld) {
204 i = ffz(~pld);
205 pld &= pld - 1; /* clear least bit set */
206 if (i == 55)
207 isa_device_interrupt(vector);
208 else
209 handle_irq(16 + i);
210 }
211 }
212
213 static void
dp264_srm_device_interrupt(unsigned long vector)214 dp264_srm_device_interrupt(unsigned long vector)
215 {
216 int irq;
217
218 irq = (vector - 0x800) >> 4;
219
220 /*
221 * The SRM console reports PCI interrupts with a vector calculated by:
222 *
223 * 0x900 + (0x10 * DRIR-bit)
224 *
225 * So bit 16 shows up as IRQ 32, etc.
226 *
227 * On DP264/BRICK/MONET, we adjust it down by 16 because at least
228 * that many of the low order bits of the DRIR are not used, and
229 * so we don't count them.
230 */
231 if (irq >= 32)
232 irq -= 16;
233
234 handle_irq(irq);
235 }
236
237 static void
clipper_srm_device_interrupt(unsigned long vector)238 clipper_srm_device_interrupt(unsigned long vector)
239 {
240 int irq;
241
242 irq = (vector - 0x800) >> 4;
243
244 /*
245 * The SRM console reports PCI interrupts with a vector calculated by:
246 *
247 * 0x900 + (0x10 * DRIR-bit)
248 *
249 * So bit 16 shows up as IRQ 32, etc.
250 *
251 * CLIPPER uses bits 8-47 for PCI interrupts, so we do not need
252 * to scale down the vector reported, we just use it.
253 *
254 * Eg IRQ 24 is DRIR bit 8, etc, etc
255 */
256 handle_irq(irq);
257 }
258
259 static void __init
init_tsunami_irqs(struct irq_chip * ops,int imin,int imax)260 init_tsunami_irqs(struct irq_chip * ops, int imin, int imax)
261 {
262 long i;
263 for (i = imin; i <= imax; ++i) {
264 irq_set_chip_and_handler(i, ops, handle_level_irq);
265 irq_set_status_flags(i, IRQ_LEVEL);
266 }
267 }
268
269 static void __init
dp264_init_irq(void)270 dp264_init_irq(void)
271 {
272 outb(0, DMA1_RESET_REG);
273 outb(0, DMA2_RESET_REG);
274 outb(DMA_MODE_CASCADE, DMA2_MODE_REG);
275 outb(0, DMA2_MASK_REG);
276
277 if (alpha_using_srm)
278 alpha_mv.device_interrupt = dp264_srm_device_interrupt;
279
280 tsunami_update_irq_hw(0);
281
282 init_i8259a_irqs();
283 init_tsunami_irqs(&dp264_irq_type, 16, 47);
284 }
285
286 static void __init
clipper_init_irq(void)287 clipper_init_irq(void)
288 {
289 outb(0, DMA1_RESET_REG);
290 outb(0, DMA2_RESET_REG);
291 outb(DMA_MODE_CASCADE, DMA2_MODE_REG);
292 outb(0, DMA2_MASK_REG);
293
294 if (alpha_using_srm)
295 alpha_mv.device_interrupt = clipper_srm_device_interrupt;
296
297 tsunami_update_irq_hw(0);
298
299 init_i8259a_irqs();
300 init_tsunami_irqs(&clipper_irq_type, 24, 63);
301 }
302
303
304 /*
305 * PCI Fixup configuration.
306 *
307 * Summary @ TSUNAMI_CSR_DIM0:
308 * Bit Meaning
309 * 0-17 Unused
310 *18 Interrupt SCSI B (Adaptec 7895 builtin)
311 *19 Interrupt SCSI A (Adaptec 7895 builtin)
312 *20 Interrupt Line D from slot 2 PCI0
313 *21 Interrupt Line C from slot 2 PCI0
314 *22 Interrupt Line B from slot 2 PCI0
315 *23 Interrupt Line A from slot 2 PCI0
316 *24 Interrupt Line D from slot 1 PCI0
317 *25 Interrupt Line C from slot 1 PCI0
318 *26 Interrupt Line B from slot 1 PCI0
319 *27 Interrupt Line A from slot 1 PCI0
320 *28 Interrupt Line D from slot 0 PCI0
321 *29 Interrupt Line C from slot 0 PCI0
322 *30 Interrupt Line B from slot 0 PCI0
323 *31 Interrupt Line A from slot 0 PCI0
324 *
325 *32 Interrupt Line D from slot 3 PCI1
326 *33 Interrupt Line C from slot 3 PCI1
327 *34 Interrupt Line B from slot 3 PCI1
328 *35 Interrupt Line A from slot 3 PCI1
329 *36 Interrupt Line D from slot 2 PCI1
330 *37 Interrupt Line C from slot 2 PCI1
331 *38 Interrupt Line B from slot 2 PCI1
332 *39 Interrupt Line A from slot 2 PCI1
333 *40 Interrupt Line D from slot 1 PCI1
334 *41 Interrupt Line C from slot 1 PCI1
335 *42 Interrupt Line B from slot 1 PCI1
336 *43 Interrupt Line A from slot 1 PCI1
337 *44 Interrupt Line D from slot 0 PCI1
338 *45 Interrupt Line C from slot 0 PCI1
339 *46 Interrupt Line B from slot 0 PCI1
340 *47 Interrupt Line A from slot 0 PCI1
341 *48-52 Unused
342 *53 PCI0 NMI (from Cypress)
343 *54 PCI0 SMI INT (from Cypress)
344 *55 PCI0 ISA Interrupt (from Cypress)
345 *56-60 Unused
346 *61 PCI1 Bus Error
347 *62 PCI0 Bus Error
348 *63 Reserved
349 *
350 * IdSel
351 * 5 Cypress Bridge I/O
352 * 6 SCSI Adaptec builtin
353 * 7 64 bit PCI option slot 0 (all busses)
354 * 8 64 bit PCI option slot 1 (all busses)
355 * 9 64 bit PCI option slot 2 (all busses)
356 * 10 64 bit PCI option slot 3 (not bus 0)
357 */
358
359 static int
isa_irq_fixup(const struct pci_dev * dev,int irq)360 isa_irq_fixup(const struct pci_dev *dev, int irq)
361 {
362 u8 irq8;
363
364 if (irq > 0)
365 return irq;
366
367 /* This interrupt is routed via ISA bridge, so we'll
368 just have to trust whatever value the console might
369 have assigned. */
370 pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8);
371
372 return irq8 & 0xf;
373 }
374
375 static int
dp264_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)376 dp264_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
377 {
378 static char irq_tab[6][5] = {
379 /*INT INTA INTB INTC INTD */
380 { -1, -1, -1, -1, -1}, /* IdSel 5 ISA Bridge */
381 { 16+ 3, 16+ 3, 16+ 2, 16+ 2, 16+ 2}, /* IdSel 6 SCSI builtin*/
382 { 16+15, 16+15, 16+14, 16+13, 16+12}, /* IdSel 7 slot 0 */
383 { 16+11, 16+11, 16+10, 16+ 9, 16+ 8}, /* IdSel 8 slot 1 */
384 { 16+ 7, 16+ 7, 16+ 6, 16+ 5, 16+ 4}, /* IdSel 9 slot 2 */
385 { 16+ 3, 16+ 3, 16+ 2, 16+ 1, 16+ 0} /* IdSel 10 slot 3 */
386 };
387 const long min_idsel = 5, max_idsel = 10, irqs_per_slot = 5;
388 struct pci_controller *hose = dev->sysdata;
389 int irq = COMMON_TABLE_LOOKUP;
390
391 if (irq > 0)
392 irq += 16 * hose->index;
393
394 return isa_irq_fixup(dev, irq);
395 }
396
397 static int
monet_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)398 monet_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
399 {
400 static char irq_tab[13][5] = {
401 /*INT INTA INTB INTC INTD */
402 { 45, 45, 45, 45, 45}, /* IdSel 3 21143 PCI1 */
403 { -1, -1, -1, -1, -1}, /* IdSel 4 unused */
404 { -1, -1, -1, -1, -1}, /* IdSel 5 unused */
405 { 47, 47, 47, 47, 47}, /* IdSel 6 SCSI PCI1 */
406 { -1, -1, -1, -1, -1}, /* IdSel 7 ISA Bridge */
407 { -1, -1, -1, -1, -1}, /* IdSel 8 P2P PCI1 */
408 #if 1
409 { 28, 28, 29, 30, 31}, /* IdSel 14 slot 4 PCI2*/
410 { 24, 24, 25, 26, 27}, /* IdSel 15 slot 5 PCI2*/
411 #else
412 { -1, -1, -1, -1, -1}, /* IdSel 9 unused */
413 { -1, -1, -1, -1, -1}, /* IdSel 10 unused */
414 #endif
415 { 40, 40, 41, 42, 43}, /* IdSel 11 slot 1 PCI0*/
416 { 36, 36, 37, 38, 39}, /* IdSel 12 slot 2 PCI0*/
417 { 32, 32, 33, 34, 35}, /* IdSel 13 slot 3 PCI0*/
418 { 28, 28, 29, 30, 31}, /* IdSel 14 slot 4 PCI2*/
419 { 24, 24, 25, 26, 27} /* IdSel 15 slot 5 PCI2*/
420 };
421 const long min_idsel = 3, max_idsel = 15, irqs_per_slot = 5;
422
423 return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
424 }
425
426 static u8
monet_swizzle(struct pci_dev * dev,u8 * pinp)427 monet_swizzle(struct pci_dev *dev, u8 *pinp)
428 {
429 struct pci_controller *hose = dev->sysdata;
430 int slot, pin = *pinp;
431
432 if (!dev->bus->parent) {
433 slot = PCI_SLOT(dev->devfn);
434 }
435 /* Check for the built-in bridge on hose 1. */
436 else if (hose->index == 1 && PCI_SLOT(dev->bus->self->devfn) == 8) {
437 slot = PCI_SLOT(dev->devfn);
438 } else {
439 /* Must be a card-based bridge. */
440 do {
441 /* Check for built-in bridge on hose 1. */
442 if (hose->index == 1 &&
443 PCI_SLOT(dev->bus->self->devfn) == 8) {
444 slot = PCI_SLOT(dev->devfn);
445 break;
446 }
447 pin = pci_swizzle_interrupt_pin(dev, pin);
448
449 /* Move up the chain of bridges. */
450 dev = dev->bus->self;
451 /* Slot of the next bridge. */
452 slot = PCI_SLOT(dev->devfn);
453 } while (dev->bus->self);
454 }
455 *pinp = pin;
456 return slot;
457 }
458
459 static int
webbrick_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)460 webbrick_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
461 {
462 static char irq_tab[13][5] = {
463 /*INT INTA INTB INTC INTD */
464 { -1, -1, -1, -1, -1}, /* IdSel 7 ISA Bridge */
465 { -1, -1, -1, -1, -1}, /* IdSel 8 unused */
466 { 29, 29, 29, 29, 29}, /* IdSel 9 21143 #1 */
467 { -1, -1, -1, -1, -1}, /* IdSel 10 unused */
468 { 30, 30, 30, 30, 30}, /* IdSel 11 21143 #2 */
469 { -1, -1, -1, -1, -1}, /* IdSel 12 unused */
470 { -1, -1, -1, -1, -1}, /* IdSel 13 unused */
471 { 35, 35, 34, 33, 32}, /* IdSel 14 slot 0 */
472 { 39, 39, 38, 37, 36}, /* IdSel 15 slot 1 */
473 { 43, 43, 42, 41, 40}, /* IdSel 16 slot 2 */
474 { 47, 47, 46, 45, 44}, /* IdSel 17 slot 3 */
475 };
476 const long min_idsel = 7, max_idsel = 17, irqs_per_slot = 5;
477
478 return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
479 }
480
481 static int
clipper_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)482 clipper_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
483 {
484 static char irq_tab[7][5] = {
485 /*INT INTA INTB INTC INTD */
486 { 16+ 8, 16+ 8, 16+ 9, 16+10, 16+11}, /* IdSel 1 slot 1 */
487 { 16+12, 16+12, 16+13, 16+14, 16+15}, /* IdSel 2 slot 2 */
488 { 16+16, 16+16, 16+17, 16+18, 16+19}, /* IdSel 3 slot 3 */
489 { 16+20, 16+20, 16+21, 16+22, 16+23}, /* IdSel 4 slot 4 */
490 { 16+24, 16+24, 16+25, 16+26, 16+27}, /* IdSel 5 slot 5 */
491 { 16+28, 16+28, 16+29, 16+30, 16+31}, /* IdSel 6 slot 6 */
492 { -1, -1, -1, -1, -1} /* IdSel 7 ISA Bridge */
493 };
494 const long min_idsel = 1, max_idsel = 7, irqs_per_slot = 5;
495 struct pci_controller *hose = dev->sysdata;
496 int irq = COMMON_TABLE_LOOKUP;
497
498 if (irq > 0)
499 irq += 16 * hose->index;
500
501 return isa_irq_fixup(dev, irq);
502 }
503
504 static void __init
dp264_init_pci(void)505 dp264_init_pci(void)
506 {
507 common_init_pci();
508 SMC669_Init(0);
509 locate_and_init_vga(NULL);
510 }
511
512 static void __init
monet_init_pci(void)513 monet_init_pci(void)
514 {
515 common_init_pci();
516 SMC669_Init(1);
517 es1888_init();
518 locate_and_init_vga(NULL);
519 }
520
521 static void __init
clipper_init_pci(void)522 clipper_init_pci(void)
523 {
524 common_init_pci();
525 locate_and_init_vga(NULL);
526 }
527
528 static void __init
webbrick_init_arch(void)529 webbrick_init_arch(void)
530 {
531 tsunami_init_arch();
532
533 /* Tsunami caches 4 PTEs at a time; DS10 has only 1 hose. */
534 hose_head->sg_isa->align_entry = 4;
535 hose_head->sg_pci->align_entry = 4;
536 }
537
538
539 /*
540 * The System Vectors
541 */
542
543 struct alpha_machine_vector dp264_mv __initmv = {
544 .vector_name = "DP264",
545 DO_EV6_MMU,
546 DO_DEFAULT_RTC,
547 DO_TSUNAMI_IO,
548 .machine_check = tsunami_machine_check,
549 .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS,
550 .min_io_address = DEFAULT_IO_BASE,
551 .min_mem_address = DEFAULT_MEM_BASE,
552 .pci_dac_offset = TSUNAMI_DAC_OFFSET,
553
554 .nr_irqs = 64,
555 .device_interrupt = dp264_device_interrupt,
556
557 .init_arch = tsunami_init_arch,
558 .init_irq = dp264_init_irq,
559 .init_rtc = common_init_rtc,
560 .init_pci = dp264_init_pci,
561 .kill_arch = tsunami_kill_arch,
562 .pci_map_irq = dp264_map_irq,
563 .pci_swizzle = common_swizzle,
564 };
565 ALIAS_MV(dp264)
566
567 struct alpha_machine_vector monet_mv __initmv = {
568 .vector_name = "Monet",
569 DO_EV6_MMU,
570 DO_DEFAULT_RTC,
571 DO_TSUNAMI_IO,
572 .machine_check = tsunami_machine_check,
573 .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS,
574 .min_io_address = DEFAULT_IO_BASE,
575 .min_mem_address = DEFAULT_MEM_BASE,
576 .pci_dac_offset = TSUNAMI_DAC_OFFSET,
577
578 .nr_irqs = 64,
579 .device_interrupt = dp264_device_interrupt,
580
581 .init_arch = tsunami_init_arch,
582 .init_irq = dp264_init_irq,
583 .init_rtc = common_init_rtc,
584 .init_pci = monet_init_pci,
585 .kill_arch = tsunami_kill_arch,
586 .pci_map_irq = monet_map_irq,
587 .pci_swizzle = monet_swizzle,
588 };
589
590 struct alpha_machine_vector webbrick_mv __initmv = {
591 .vector_name = "Webbrick",
592 DO_EV6_MMU,
593 DO_DEFAULT_RTC,
594 DO_TSUNAMI_IO,
595 .machine_check = tsunami_machine_check,
596 .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS,
597 .min_io_address = DEFAULT_IO_BASE,
598 .min_mem_address = DEFAULT_MEM_BASE,
599 .pci_dac_offset = TSUNAMI_DAC_OFFSET,
600
601 .nr_irqs = 64,
602 .device_interrupt = dp264_device_interrupt,
603
604 .init_arch = webbrick_init_arch,
605 .init_irq = dp264_init_irq,
606 .init_rtc = common_init_rtc,
607 .init_pci = common_init_pci,
608 .kill_arch = tsunami_kill_arch,
609 .pci_map_irq = webbrick_map_irq,
610 .pci_swizzle = common_swizzle,
611 };
612
613 struct alpha_machine_vector clipper_mv __initmv = {
614 .vector_name = "Clipper",
615 DO_EV6_MMU,
616 DO_DEFAULT_RTC,
617 DO_TSUNAMI_IO,
618 .machine_check = tsunami_machine_check,
619 .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS,
620 .min_io_address = DEFAULT_IO_BASE,
621 .min_mem_address = DEFAULT_MEM_BASE,
622 .pci_dac_offset = TSUNAMI_DAC_OFFSET,
623
624 .nr_irqs = 64,
625 .device_interrupt = dp264_device_interrupt,
626
627 .init_arch = tsunami_init_arch,
628 .init_irq = clipper_init_irq,
629 .init_rtc = common_init_rtc,
630 .init_pci = clipper_init_pci,
631 .kill_arch = tsunami_kill_arch,
632 .pci_map_irq = clipper_map_irq,
633 .pci_swizzle = common_swizzle,
634 };
635
636 /* Sharks strongly resemble Clipper, at least as far
637 * as interrupt routing, etc, so we're using the
638 * same functions as Clipper does
639 */
640
641 struct alpha_machine_vector shark_mv __initmv = {
642 .vector_name = "Shark",
643 DO_EV6_MMU,
644 DO_DEFAULT_RTC,
645 DO_TSUNAMI_IO,
646 .machine_check = tsunami_machine_check,
647 .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS,
648 .min_io_address = DEFAULT_IO_BASE,
649 .min_mem_address = DEFAULT_MEM_BASE,
650 .pci_dac_offset = TSUNAMI_DAC_OFFSET,
651
652 .nr_irqs = 64,
653 .device_interrupt = dp264_device_interrupt,
654
655 .init_arch = tsunami_init_arch,
656 .init_irq = clipper_init_irq,
657 .init_rtc = common_init_rtc,
658 .init_pci = common_init_pci,
659 .kill_arch = tsunami_kill_arch,
660 .pci_map_irq = clipper_map_irq,
661 .pci_swizzle = common_swizzle,
662 };
663
664 /* No alpha_mv alias for webbrick/monet/clipper, since we compile them
665 in unconditionally with DP264; setup_arch knows how to cope. */
666