Full support for Ginger Console
[linux-ginger.git] / arch / alpha / kernel / sys_dp264.c
blob46e70ece5176ec1372e26dc09072759b26de5c43
1 /*
2 * linux/arch/alpha/kernel/sys_dp264.c
4 * Copyright (C) 1995 David A Rusling
5 * Copyright (C) 1996, 1999 Jay A Estabrook
6 * Copyright (C) 1998, 1999 Richard Henderson
8 * Modified by Christopher C. Chimelis, 2001 to
9 * add support for the addition of Shark to the
10 * Tsunami family.
12 * Code supporting the DP264 (EV6+TSUNAMI).
15 #include <linux/kernel.h>
16 #include <linux/types.h>
17 #include <linux/mm.h>
18 #include <linux/sched.h>
19 #include <linux/pci.h>
20 #include <linux/init.h>
21 #include <linux/bitops.h>
23 #include <asm/ptrace.h>
24 #include <asm/system.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/pgtable.h>
30 #include <asm/core_tsunami.h>
31 #include <asm/hwrpb.h>
32 #include <asm/tlbflush.h>
34 #include "proto.h"
35 #include "irq_impl.h"
36 #include "pci_impl.h"
37 #include "machvec_impl.h"
40 /* Note mask bit is true for ENABLED irqs. */
41 static unsigned long cached_irq_mask;
42 /* dp264 boards handle at max four CPUs */
43 static unsigned long cpu_irq_affinity[4] = { 0UL, 0UL, 0UL, 0UL };
45 DEFINE_SPINLOCK(dp264_irq_lock);
47 static void
48 tsunami_update_irq_hw(unsigned long mask)
50 register tsunami_cchip *cchip = TSUNAMI_cchip;
51 unsigned long isa_enable = 1UL << 55;
52 register int bcpu = boot_cpuid;
54 #ifdef CONFIG_SMP
55 volatile unsigned long *dim0, *dim1, *dim2, *dim3;
56 unsigned long mask0, mask1, mask2, mask3, dummy;
58 mask &= ~isa_enable;
59 mask0 = mask & cpu_irq_affinity[0];
60 mask1 = mask & cpu_irq_affinity[1];
61 mask2 = mask & cpu_irq_affinity[2];
62 mask3 = mask & cpu_irq_affinity[3];
64 if (bcpu == 0) mask0 |= isa_enable;
65 else if (bcpu == 1) mask1 |= isa_enable;
66 else if (bcpu == 2) mask2 |= isa_enable;
67 else mask3 |= isa_enable;
69 dim0 = &cchip->dim0.csr;
70 dim1 = &cchip->dim1.csr;
71 dim2 = &cchip->dim2.csr;
72 dim3 = &cchip->dim3.csr;
73 if (!cpu_possible(0)) dim0 = &dummy;
74 if (!cpu_possible(1)) dim1 = &dummy;
75 if (!cpu_possible(2)) dim2 = &dummy;
76 if (!cpu_possible(3)) dim3 = &dummy;
78 *dim0 = mask0;
79 *dim1 = mask1;
80 *dim2 = mask2;
81 *dim3 = mask3;
82 mb();
83 *dim0;
84 *dim1;
85 *dim2;
86 *dim3;
87 #else
88 volatile unsigned long *dimB;
89 if (bcpu == 0) dimB = &cchip->dim0.csr;
90 else if (bcpu == 1) dimB = &cchip->dim1.csr;
91 else if (bcpu == 2) dimB = &cchip->dim2.csr;
92 else dimB = &cchip->dim3.csr;
94 *dimB = mask | isa_enable;
95 mb();
96 *dimB;
97 #endif
100 static void
101 dp264_enable_irq(unsigned int irq)
103 spin_lock(&dp264_irq_lock);
104 cached_irq_mask |= 1UL << irq;
105 tsunami_update_irq_hw(cached_irq_mask);
106 spin_unlock(&dp264_irq_lock);
109 static void
110 dp264_disable_irq(unsigned int irq)
112 spin_lock(&dp264_irq_lock);
113 cached_irq_mask &= ~(1UL << irq);
114 tsunami_update_irq_hw(cached_irq_mask);
115 spin_unlock(&dp264_irq_lock);
118 static unsigned int
119 dp264_startup_irq(unsigned int irq)
121 dp264_enable_irq(irq);
122 return 0; /* never anything pending */
125 static void
126 dp264_end_irq(unsigned int irq)
128 if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
129 dp264_enable_irq(irq);
132 static void
133 clipper_enable_irq(unsigned int irq)
135 spin_lock(&dp264_irq_lock);
136 cached_irq_mask |= 1UL << (irq - 16);
137 tsunami_update_irq_hw(cached_irq_mask);
138 spin_unlock(&dp264_irq_lock);
141 static void
142 clipper_disable_irq(unsigned int irq)
144 spin_lock(&dp264_irq_lock);
145 cached_irq_mask &= ~(1UL << (irq - 16));
146 tsunami_update_irq_hw(cached_irq_mask);
147 spin_unlock(&dp264_irq_lock);
150 static unsigned int
151 clipper_startup_irq(unsigned int irq)
153 clipper_enable_irq(irq);
154 return 0; /* never anything pending */
157 static void
158 clipper_end_irq(unsigned int irq)
160 if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
161 clipper_enable_irq(irq);
164 static void
165 cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
167 int cpu;
169 for (cpu = 0; cpu < 4; cpu++) {
170 unsigned long aff = cpu_irq_affinity[cpu];
171 if (cpu_isset(cpu, affinity))
172 aff |= 1UL << irq;
173 else
174 aff &= ~(1UL << irq);
175 cpu_irq_affinity[cpu] = aff;
179 static int
180 dp264_set_affinity(unsigned int irq, const struct cpumask *affinity)
182 spin_lock(&dp264_irq_lock);
183 cpu_set_irq_affinity(irq, *affinity);
184 tsunami_update_irq_hw(cached_irq_mask);
185 spin_unlock(&dp264_irq_lock);
187 return 0;
190 static int
191 clipper_set_affinity(unsigned int irq, const struct cpumask *affinity)
193 spin_lock(&dp264_irq_lock);
194 cpu_set_irq_affinity(irq - 16, *affinity);
195 tsunami_update_irq_hw(cached_irq_mask);
196 spin_unlock(&dp264_irq_lock);
198 return 0;
201 static struct irq_chip dp264_irq_type = {
202 .typename = "DP264",
203 .startup = dp264_startup_irq,
204 .shutdown = dp264_disable_irq,
205 .enable = dp264_enable_irq,
206 .disable = dp264_disable_irq,
207 .ack = dp264_disable_irq,
208 .end = dp264_end_irq,
209 .set_affinity = dp264_set_affinity,
212 static struct irq_chip clipper_irq_type = {
213 .typename = "CLIPPER",
214 .startup = clipper_startup_irq,
215 .shutdown = clipper_disable_irq,
216 .enable = clipper_enable_irq,
217 .disable = clipper_disable_irq,
218 .ack = clipper_disable_irq,
219 .end = clipper_end_irq,
220 .set_affinity = clipper_set_affinity,
223 static void
224 dp264_device_interrupt(unsigned long vector)
226 #if 1
227 printk("dp264_device_interrupt: NOT IMPLEMENTED YET!! \n");
228 #else
229 unsigned long pld;
230 unsigned int i;
232 /* Read the interrupt summary register of TSUNAMI */
233 pld = TSUNAMI_cchip->dir0.csr;
236 * Now for every possible bit set, work through them and call
237 * the appropriate interrupt handler.
239 while (pld) {
240 i = ffz(~pld);
241 pld &= pld - 1; /* clear least bit set */
242 if (i == 55)
243 isa_device_interrupt(vector);
244 else
245 handle_irq(16 + i);
246 #if 0
247 TSUNAMI_cchip->dir0.csr = 1UL << i; mb();
248 tmp = TSUNAMI_cchip->dir0.csr;
249 #endif
251 #endif
254 static void
255 dp264_srm_device_interrupt(unsigned long vector)
257 int irq;
259 irq = (vector - 0x800) >> 4;
262 * The SRM console reports PCI interrupts with a vector calculated by:
264 * 0x900 + (0x10 * DRIR-bit)
266 * So bit 16 shows up as IRQ 32, etc.
268 * On DP264/BRICK/MONET, we adjust it down by 16 because at least
269 * that many of the low order bits of the DRIR are not used, and
270 * so we don't count them.
272 if (irq >= 32)
273 irq -= 16;
275 handle_irq(irq);
278 static void
279 clipper_srm_device_interrupt(unsigned long vector)
281 int irq;
283 irq = (vector - 0x800) >> 4;
286 * The SRM console reports PCI interrupts with a vector calculated by:
288 * 0x900 + (0x10 * DRIR-bit)
290 * So bit 16 shows up as IRQ 32, etc.
292 * CLIPPER uses bits 8-47 for PCI interrupts, so we do not need
293 * to scale down the vector reported, we just use it.
295 * Eg IRQ 24 is DRIR bit 8, etc, etc
297 handle_irq(irq);
300 static void __init
301 init_tsunami_irqs(struct irq_chip * ops, int imin, int imax)
303 long i;
304 for (i = imin; i <= imax; ++i) {
305 irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL;
306 irq_desc[i].chip = ops;
310 static void __init
311 dp264_init_irq(void)
313 outb(0, DMA1_RESET_REG);
314 outb(0, DMA2_RESET_REG);
315 outb(DMA_MODE_CASCADE, DMA2_MODE_REG);
316 outb(0, DMA2_MASK_REG);
318 if (alpha_using_srm)
319 alpha_mv.device_interrupt = dp264_srm_device_interrupt;
321 tsunami_update_irq_hw(0);
323 init_i8259a_irqs();
324 init_tsunami_irqs(&dp264_irq_type, 16, 47);
327 static void __init
328 clipper_init_irq(void)
330 outb(0, DMA1_RESET_REG);
331 outb(0, DMA2_RESET_REG);
332 outb(DMA_MODE_CASCADE, DMA2_MODE_REG);
333 outb(0, DMA2_MASK_REG);
335 if (alpha_using_srm)
336 alpha_mv.device_interrupt = clipper_srm_device_interrupt;
338 tsunami_update_irq_hw(0);
340 init_i8259a_irqs();
341 init_tsunami_irqs(&clipper_irq_type, 24, 63);
346 * PCI Fixup configuration.
348 * Summary @ TSUNAMI_CSR_DIM0:
349 * Bit Meaning
350 * 0-17 Unused
351 *18 Interrupt SCSI B (Adaptec 7895 builtin)
352 *19 Interrupt SCSI A (Adaptec 7895 builtin)
353 *20 Interrupt Line D from slot 2 PCI0
354 *21 Interrupt Line C from slot 2 PCI0
355 *22 Interrupt Line B from slot 2 PCI0
356 *23 Interrupt Line A from slot 2 PCI0
357 *24 Interrupt Line D from slot 1 PCI0
358 *25 Interrupt Line C from slot 1 PCI0
359 *26 Interrupt Line B from slot 1 PCI0
360 *27 Interrupt Line A from slot 1 PCI0
361 *28 Interrupt Line D from slot 0 PCI0
362 *29 Interrupt Line C from slot 0 PCI0
363 *30 Interrupt Line B from slot 0 PCI0
364 *31 Interrupt Line A from slot 0 PCI0
366 *32 Interrupt Line D from slot 3 PCI1
367 *33 Interrupt Line C from slot 3 PCI1
368 *34 Interrupt Line B from slot 3 PCI1
369 *35 Interrupt Line A from slot 3 PCI1
370 *36 Interrupt Line D from slot 2 PCI1
371 *37 Interrupt Line C from slot 2 PCI1
372 *38 Interrupt Line B from slot 2 PCI1
373 *39 Interrupt Line A from slot 2 PCI1
374 *40 Interrupt Line D from slot 1 PCI1
375 *41 Interrupt Line C from slot 1 PCI1
376 *42 Interrupt Line B from slot 1 PCI1
377 *43 Interrupt Line A from slot 1 PCI1
378 *44 Interrupt Line D from slot 0 PCI1
379 *45 Interrupt Line C from slot 0 PCI1
380 *46 Interrupt Line B from slot 0 PCI1
381 *47 Interrupt Line A from slot 0 PCI1
382 *48-52 Unused
383 *53 PCI0 NMI (from Cypress)
384 *54 PCI0 SMI INT (from Cypress)
385 *55 PCI0 ISA Interrupt (from Cypress)
386 *56-60 Unused
387 *61 PCI1 Bus Error
388 *62 PCI0 Bus Error
389 *63 Reserved
391 * IdSel
392 * 5 Cypress Bridge I/O
393 * 6 SCSI Adaptec builtin
394 * 7 64 bit PCI option slot 0 (all busses)
395 * 8 64 bit PCI option slot 1 (all busses)
396 * 9 64 bit PCI option slot 2 (all busses)
397 * 10 64 bit PCI option slot 3 (not bus 0)
400 static int __init
401 isa_irq_fixup(struct pci_dev *dev, int irq)
403 u8 irq8;
405 if (irq > 0)
406 return irq;
408 /* This interrupt is routed via ISA bridge, so we'll
409 just have to trust whatever value the console might
410 have assigned. */
411 pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8);
413 return irq8 & 0xf;
416 static int __init
417 dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
419 static char irq_tab[6][5] __initdata = {
420 /*INT INTA INTB INTC INTD */
421 { -1, -1, -1, -1, -1}, /* IdSel 5 ISA Bridge */
422 { 16+ 3, 16+ 3, 16+ 2, 16+ 2, 16+ 2}, /* IdSel 6 SCSI builtin*/
423 { 16+15, 16+15, 16+14, 16+13, 16+12}, /* IdSel 7 slot 0 */
424 { 16+11, 16+11, 16+10, 16+ 9, 16+ 8}, /* IdSel 8 slot 1 */
425 { 16+ 7, 16+ 7, 16+ 6, 16+ 5, 16+ 4}, /* IdSel 9 slot 2 */
426 { 16+ 3, 16+ 3, 16+ 2, 16+ 1, 16+ 0} /* IdSel 10 slot 3 */
428 const long min_idsel = 5, max_idsel = 10, irqs_per_slot = 5;
429 struct pci_controller *hose = dev->sysdata;
430 int irq = COMMON_TABLE_LOOKUP;
432 if (irq > 0)
433 irq += 16 * hose->index;
435 return isa_irq_fixup(dev, irq);
438 static int __init
439 monet_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
441 static char irq_tab[13][5] __initdata = {
442 /*INT INTA INTB INTC INTD */
443 { 45, 45, 45, 45, 45}, /* IdSel 3 21143 PCI1 */
444 { -1, -1, -1, -1, -1}, /* IdSel 4 unused */
445 { -1, -1, -1, -1, -1}, /* IdSel 5 unused */
446 { 47, 47, 47, 47, 47}, /* IdSel 6 SCSI PCI1 */
447 { -1, -1, -1, -1, -1}, /* IdSel 7 ISA Bridge */
448 { -1, -1, -1, -1, -1}, /* IdSel 8 P2P PCI1 */
449 #if 1
450 { 28, 28, 29, 30, 31}, /* IdSel 14 slot 4 PCI2*/
451 { 24, 24, 25, 26, 27}, /* IdSel 15 slot 5 PCI2*/
452 #else
453 { -1, -1, -1, -1, -1}, /* IdSel 9 unused */
454 { -1, -1, -1, -1, -1}, /* IdSel 10 unused */
455 #endif
456 { 40, 40, 41, 42, 43}, /* IdSel 11 slot 1 PCI0*/
457 { 36, 36, 37, 38, 39}, /* IdSel 12 slot 2 PCI0*/
458 { 32, 32, 33, 34, 35}, /* IdSel 13 slot 3 PCI0*/
459 { 28, 28, 29, 30, 31}, /* IdSel 14 slot 4 PCI2*/
460 { 24, 24, 25, 26, 27} /* IdSel 15 slot 5 PCI2*/
462 const long min_idsel = 3, max_idsel = 15, irqs_per_slot = 5;
464 return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
467 static u8 __init
468 monet_swizzle(struct pci_dev *dev, u8 *pinp)
470 struct pci_controller *hose = dev->sysdata;
471 int slot, pin = *pinp;
473 if (!dev->bus->parent) {
474 slot = PCI_SLOT(dev->devfn);
476 /* Check for the built-in bridge on hose 1. */
477 else if (hose->index == 1 && PCI_SLOT(dev->bus->self->devfn) == 8) {
478 slot = PCI_SLOT(dev->devfn);
479 } else {
480 /* Must be a card-based bridge. */
481 do {
482 /* Check for built-in bridge on hose 1. */
483 if (hose->index == 1 &&
484 PCI_SLOT(dev->bus->self->devfn) == 8) {
485 slot = PCI_SLOT(dev->devfn);
486 break;
488 pin = pci_swizzle_interrupt_pin(dev, pin);
490 /* Move up the chain of bridges. */
491 dev = dev->bus->self;
492 /* Slot of the next bridge. */
493 slot = PCI_SLOT(dev->devfn);
494 } while (dev->bus->self);
496 *pinp = pin;
497 return slot;
500 static int __init
501 webbrick_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
503 static char irq_tab[13][5] __initdata = {
504 /*INT INTA INTB INTC INTD */
505 { -1, -1, -1, -1, -1}, /* IdSel 7 ISA Bridge */
506 { -1, -1, -1, -1, -1}, /* IdSel 8 unused */
507 { 29, 29, 29, 29, 29}, /* IdSel 9 21143 #1 */
508 { -1, -1, -1, -1, -1}, /* IdSel 10 unused */
509 { 30, 30, 30, 30, 30}, /* IdSel 11 21143 #2 */
510 { -1, -1, -1, -1, -1}, /* IdSel 12 unused */
511 { -1, -1, -1, -1, -1}, /* IdSel 13 unused */
512 { 35, 35, 34, 33, 32}, /* IdSel 14 slot 0 */
513 { 39, 39, 38, 37, 36}, /* IdSel 15 slot 1 */
514 { 43, 43, 42, 41, 40}, /* IdSel 16 slot 2 */
515 { 47, 47, 46, 45, 44}, /* IdSel 17 slot 3 */
517 const long min_idsel = 7, max_idsel = 17, irqs_per_slot = 5;
519 return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
522 static int __init
523 clipper_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
525 static char irq_tab[7][5] __initdata = {
526 /*INT INTA INTB INTC INTD */
527 { 16+ 8, 16+ 8, 16+ 9, 16+10, 16+11}, /* IdSel 1 slot 1 */
528 { 16+12, 16+12, 16+13, 16+14, 16+15}, /* IdSel 2 slot 2 */
529 { 16+16, 16+16, 16+17, 16+18, 16+19}, /* IdSel 3 slot 3 */
530 { 16+20, 16+20, 16+21, 16+22, 16+23}, /* IdSel 4 slot 4 */
531 { 16+24, 16+24, 16+25, 16+26, 16+27}, /* IdSel 5 slot 5 */
532 { 16+28, 16+28, 16+29, 16+30, 16+31}, /* IdSel 6 slot 6 */
533 { -1, -1, -1, -1, -1} /* IdSel 7 ISA Bridge */
535 const long min_idsel = 1, max_idsel = 7, irqs_per_slot = 5;
536 struct pci_controller *hose = dev->sysdata;
537 int irq = COMMON_TABLE_LOOKUP;
539 if (irq > 0)
540 irq += 16 * hose->index;
542 return isa_irq_fixup(dev, irq);
545 static void __init
546 dp264_init_pci(void)
548 common_init_pci();
549 SMC669_Init(0);
550 locate_and_init_vga(NULL);
553 static void __init
554 monet_init_pci(void)
556 common_init_pci();
557 SMC669_Init(1);
558 es1888_init();
559 locate_and_init_vga(NULL);
562 static void __init
563 clipper_init_pci(void)
565 common_init_pci();
566 locate_and_init_vga(NULL);
569 static void __init
570 webbrick_init_arch(void)
572 tsunami_init_arch();
574 /* Tsunami caches 4 PTEs at a time; DS10 has only 1 hose. */
575 hose_head->sg_isa->align_entry = 4;
576 hose_head->sg_pci->align_entry = 4;
581 * The System Vectors
584 struct alpha_machine_vector dp264_mv __initmv = {
585 .vector_name = "DP264",
586 DO_EV6_MMU,
587 DO_DEFAULT_RTC,
588 DO_TSUNAMI_IO,
589 .machine_check = tsunami_machine_check,
590 .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS,
591 .min_io_address = DEFAULT_IO_BASE,
592 .min_mem_address = DEFAULT_MEM_BASE,
593 .pci_dac_offset = TSUNAMI_DAC_OFFSET,
595 .nr_irqs = 64,
596 .device_interrupt = dp264_device_interrupt,
598 .init_arch = tsunami_init_arch,
599 .init_irq = dp264_init_irq,
600 .init_rtc = common_init_rtc,
601 .init_pci = dp264_init_pci,
602 .kill_arch = tsunami_kill_arch,
603 .pci_map_irq = dp264_map_irq,
604 .pci_swizzle = common_swizzle,
606 ALIAS_MV(dp264)
608 struct alpha_machine_vector monet_mv __initmv = {
609 .vector_name = "Monet",
610 DO_EV6_MMU,
611 DO_DEFAULT_RTC,
612 DO_TSUNAMI_IO,
613 .machine_check = tsunami_machine_check,
614 .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS,
615 .min_io_address = DEFAULT_IO_BASE,
616 .min_mem_address = DEFAULT_MEM_BASE,
617 .pci_dac_offset = TSUNAMI_DAC_OFFSET,
619 .nr_irqs = 64,
620 .device_interrupt = dp264_device_interrupt,
622 .init_arch = tsunami_init_arch,
623 .init_irq = dp264_init_irq,
624 .init_rtc = common_init_rtc,
625 .init_pci = monet_init_pci,
626 .kill_arch = tsunami_kill_arch,
627 .pci_map_irq = monet_map_irq,
628 .pci_swizzle = monet_swizzle,
631 struct alpha_machine_vector webbrick_mv __initmv = {
632 .vector_name = "Webbrick",
633 DO_EV6_MMU,
634 DO_DEFAULT_RTC,
635 DO_TSUNAMI_IO,
636 .machine_check = tsunami_machine_check,
637 .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS,
638 .min_io_address = DEFAULT_IO_BASE,
639 .min_mem_address = DEFAULT_MEM_BASE,
640 .pci_dac_offset = TSUNAMI_DAC_OFFSET,
642 .nr_irqs = 64,
643 .device_interrupt = dp264_device_interrupt,
645 .init_arch = webbrick_init_arch,
646 .init_irq = dp264_init_irq,
647 .init_rtc = common_init_rtc,
648 .init_pci = common_init_pci,
649 .kill_arch = tsunami_kill_arch,
650 .pci_map_irq = webbrick_map_irq,
651 .pci_swizzle = common_swizzle,
654 struct alpha_machine_vector clipper_mv __initmv = {
655 .vector_name = "Clipper",
656 DO_EV6_MMU,
657 DO_DEFAULT_RTC,
658 DO_TSUNAMI_IO,
659 .machine_check = tsunami_machine_check,
660 .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS,
661 .min_io_address = DEFAULT_IO_BASE,
662 .min_mem_address = DEFAULT_MEM_BASE,
663 .pci_dac_offset = TSUNAMI_DAC_OFFSET,
665 .nr_irqs = 64,
666 .device_interrupt = dp264_device_interrupt,
668 .init_arch = tsunami_init_arch,
669 .init_irq = clipper_init_irq,
670 .init_rtc = common_init_rtc,
671 .init_pci = clipper_init_pci,
672 .kill_arch = tsunami_kill_arch,
673 .pci_map_irq = clipper_map_irq,
674 .pci_swizzle = common_swizzle,
677 /* Sharks strongly resemble Clipper, at least as far
678 * as interrupt routing, etc, so we're using the
679 * same functions as Clipper does
682 struct alpha_machine_vector shark_mv __initmv = {
683 .vector_name = "Shark",
684 DO_EV6_MMU,
685 DO_DEFAULT_RTC,
686 DO_TSUNAMI_IO,
687 .machine_check = tsunami_machine_check,
688 .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS,
689 .min_io_address = DEFAULT_IO_BASE,
690 .min_mem_address = DEFAULT_MEM_BASE,
691 .pci_dac_offset = TSUNAMI_DAC_OFFSET,
693 .nr_irqs = 64,
694 .device_interrupt = dp264_device_interrupt,
696 .init_arch = tsunami_init_arch,
697 .init_irq = clipper_init_irq,
698 .init_rtc = common_init_rtc,
699 .init_pci = common_init_pci,
700 .kill_arch = tsunami_kill_arch,
701 .pci_map_irq = clipper_map_irq,
702 .pci_swizzle = common_swizzle,
705 /* No alpha_mv alias for webbrick/monet/clipper, since we compile them
706 in unconditionally with DP264; setup_arch knows how to cope. */