arch/alpha/kernel/sys_dp264.c

   1 /*
   2  *      linux/arch/alpha/kernel/sys_dp264.c
   3  *
   4  *      Copyright (C) 1995 David A Rusling
   5  *      Copyright (C) 1996, 1999 Jay A Estabrook
   6  *      Copyright (C) 1998, 1999 Richard Henderson
   7  *
   8  *      Modified by Christopher C. Chimelis, 2001 to
   9  *      add support for the addition of Shark to the
  10  *      Tsunami family.
  11  *
  12  * Code supporting the DP264 (EV6+TSUNAMI).
  13  */
  14
  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>
  22
  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>
  33
  34 #include "proto.h"
  35 #include "irq_impl.h"
  36 #include "pci_impl.h"
  37 #include "machvec_impl.h"
  38
  39
  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 };
  44
  45 DEFINE_SPINLOCK(dp264_irq_lock);
  46
  47 static void
  48 tsunami_update_irq_hw(unsigned long mask)
  49 {
  50         register tsunami_cchip *cchip = TSUNAMI_cchip;
  51         unsigned long isa_enable = 1UL << 55;
  52         register int bcpu = boot_cpuid;
  53
  54 #ifdef CONFIG_SMP
  55         volatile unsigned long *dim0, *dim1, *dim2, *dim3;
  56         unsigned long mask0, mask1, mask2, mask3, dummy;
  57
  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];
  63
  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;
  68
  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;
  77
  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;
  93
  94         *dimB = mask | isa_enable;
  95         mb();
  96         *dimB;
  97 #endif
  98 }
  99
 100 static void
 101 dp264_enable_irq(unsigned int irq)
 102 {
 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);
 107 }
 108
 109 static void
 110 dp264_disable_irq(unsigned int irq)
 111 {
 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);
 116 }
 117
 118 static unsigned int
 119 dp264_startup_irq(unsigned int irq)
 120 {
 121         dp264_enable_irq(irq);
 122         return 0; /* never anything pending */
 123 }
 124
 125 static void
 126 dp264_end_irq(unsigned int irq)
 127 {
 128         if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
 129                 dp264_enable_irq(irq);
 130 }
 131
 132 static void
 133 clipper_enable_irq(unsigned int irq)
 134 {
 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);
 139 }
 140
 141 static void
 142 clipper_disable_irq(unsigned int irq)
 143 {
 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);
 148 }
 149
 150 static unsigned int
 151 clipper_startup_irq(unsigned int irq)
 152 {
 153         clipper_enable_irq(irq);
 154         return 0; /* never anything pending */
 155 }
 156
 157 static void
 158 clipper_end_irq(unsigned int irq)
 159 {
 160         if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
 161                 clipper_enable_irq(irq);
 162 }
 163
 164 static void
 165 cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
 166 {
 167         int cpu;
 168
 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;
 176         }
 177 }
 178
 179 static void
 180 dp264_set_affinity(unsigned int irq, const struct cpumask *affinity)
 181 {
 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);
 186 }
 187
 188 static void
 189 clipper_set_affinity(unsigned int irq, const struct cpumask *affinity)
 190 {
 191         spin_lock(&dp264_irq_lock);
 192         cpu_set_irq_affinity(irq - 16, *affinity);
 193         tsunami_update_irq_hw(cached_irq_mask);
 194         spin_unlock(&dp264_irq_lock);
 195 }
 196
 197 static struct hw_interrupt_type dp264_irq_type = {
 198         .typename       = "DP264",
 199         .startup        = dp264_startup_irq,
 200         .shutdown       = dp264_disable_irq,
 201         .enable         = dp264_enable_irq,
 202         .disable        = dp264_disable_irq,
 203         .ack            = dp264_disable_irq,
 204         .end            = dp264_end_irq,
 205         .set_affinity   = dp264_set_affinity,
 206 };
 207
 208 static struct hw_interrupt_type clipper_irq_type = {
 209         .typename       = "CLIPPER",
 210         .startup        = clipper_startup_irq,
 211         .shutdown       = clipper_disable_irq,
 212         .enable         = clipper_enable_irq,
 213         .disable        = clipper_disable_irq,
 214         .ack            = clipper_disable_irq,
 215         .end            = clipper_end_irq,
 216         .set_affinity   = clipper_set_affinity,
 217 };
 218
 219 static void
 220 dp264_device_interrupt(unsigned long vector)
 221 {
 222 #if 1
 223         printk("dp264_device_interrupt: NOT IMPLEMENTED YET!! \n");
 224 #else
 225         unsigned long pld;
 226         unsigned int i;
 227
 228         /* Read the interrupt summary register of TSUNAMI */
 229         pld = TSUNAMI_cchip->dir0.csr;
 230
 231         /*
 232          * Now for every possible bit set, work through them and call
 233          * the appropriate interrupt handler.
 234          */
 235         while (pld) {
 236                 i = ffz(~pld);
 237                 pld &= pld - 1; /* clear least bit set */
 238                 if (i == 55)
 239                         isa_device_interrupt(vector);
 240                 else
 241                         handle_irq(16 + i);
 242 #if 0
 243                 TSUNAMI_cchip->dir0.csr = 1UL << i; mb();
 244                 tmp = TSUNAMI_cchip->dir0.csr;
 245 #endif
 246         }
 247 #endif
 248 }
 249
 250 static void
 251 dp264_srm_device_interrupt(unsigned long vector)
 252 {
 253         int irq;
 254
 255         irq = (vector - 0x800) >> 4;
 256
 257         /*
 258          * The SRM console reports PCI interrupts with a vector calculated by:
 259          *
 260          *      0x900 + (0x10 * DRIR-bit)
 261          *
 262          * So bit 16 shows up as IRQ 32, etc.
 263          *
 264          * On DP264/BRICK/MONET, we adjust it down by 16 because at least
 265          * that many of the low order bits of the DRIR are not used, and
 266          * so we don't count them.
 267          */
 268         if (irq >= 32)
 269                 irq -= 16;
 270
 271         handle_irq(irq);
 272 }
 273
 274 static void
 275 clipper_srm_device_interrupt(unsigned long vector)
 276 {
 277         int irq;
 278
 279         irq = (vector - 0x800) >> 4;
 280
 281 /*
 282          * The SRM console reports PCI interrupts with a vector calculated by:
 283          *
 284          *      0x900 + (0x10 * DRIR-bit)
 285          *
 286          * So bit 16 shows up as IRQ 32, etc.
 287          *
 288          * CLIPPER uses bits 8-47 for PCI interrupts, so we do not need
 289          * to scale down the vector reported, we just use it.
 290          *
 291          * Eg IRQ 24 is DRIR bit 8, etc, etc
 292          */
 293         handle_irq(irq);
 294 }
 295
 296 static void __init
 297 init_tsunami_irqs(struct hw_interrupt_type * ops, int imin, int imax)
 298 {
 299         long i;
 300         for (i = imin; i <= imax; ++i) {
 301                 irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL;
 302                 irq_desc[i].chip = ops;
 303         }
 304 }
 305
 306 static void __init
 307 dp264_init_irq(void)
 308 {
 309         outb(0, DMA1_RESET_REG);
 310         outb(0, DMA2_RESET_REG);
 311         outb(DMA_MODE_CASCADE, DMA2_MODE_REG);
 312         outb(0, DMA2_MASK_REG);
 313
 314         if (alpha_using_srm)
 315                 alpha_mv.device_interrupt = dp264_srm_device_interrupt;
 316
 317         tsunami_update_irq_hw(0);
 318
 319         init_i8259a_irqs();
 320         init_tsunami_irqs(&dp264_irq_type, 16, 47);
 321 }
 322
 323 static void __init
 324 clipper_init_irq(void)
 325 {
 326         outb(0, DMA1_RESET_REG);
 327         outb(0, DMA2_RESET_REG);
 328         outb(DMA_MODE_CASCADE, DMA2_MODE_REG);
 329         outb(0, DMA2_MASK_REG);
 330
 331         if (alpha_using_srm)
 332                 alpha_mv.device_interrupt = clipper_srm_device_interrupt;
 333
 334         tsunami_update_irq_hw(0);
 335
 336         init_i8259a_irqs();
 337         init_tsunami_irqs(&clipper_irq_type, 24, 63);
 338 }
 339
 340
 341 /*
 342  * PCI Fixup configuration.
 343  *
 344  * Summary @ TSUNAMI_CSR_DIM0:
 345  * Bit      Meaning
 346  * 0-17     Unused
 347  *18        Interrupt SCSI B (Adaptec 7895 builtin)
 348  *19        Interrupt SCSI A (Adaptec 7895 builtin)
 349  *20        Interrupt Line D from slot 2 PCI0
 350  *21        Interrupt Line C from slot 2 PCI0
 351  *22        Interrupt Line B from slot 2 PCI0
 352  *23        Interrupt Line A from slot 2 PCI0
 353  *24        Interrupt Line D from slot 1 PCI0
 354  *25        Interrupt Line C from slot 1 PCI0
 355  *26        Interrupt Line B from slot 1 PCI0
 356  *27        Interrupt Line A from slot 1 PCI0
 357  *28        Interrupt Line D from slot 0 PCI0
 358  *29        Interrupt Line C from slot 0 PCI0
 359  *30        Interrupt Line B from slot 0 PCI0
 360  *31        Interrupt Line A from slot 0 PCI0
 361  *
 362  *32        Interrupt Line D from slot 3 PCI1
 363  *33        Interrupt Line C from slot 3 PCI1
 364  *34        Interrupt Line B from slot 3 PCI1
 365  *35        Interrupt Line A from slot 3 PCI1
 366  *36        Interrupt Line D from slot 2 PCI1
 367  *37        Interrupt Line C from slot 2 PCI1
 368  *38        Interrupt Line B from slot 2 PCI1
 369  *39        Interrupt Line A from slot 2 PCI1
 370  *40        Interrupt Line D from slot 1 PCI1
 371  *41        Interrupt Line C from slot 1 PCI1
 372  *42        Interrupt Line B from slot 1 PCI1
 373  *43        Interrupt Line A from slot 1 PCI1
 374  *44        Interrupt Line D from slot 0 PCI1
 375  *45        Interrupt Line C from slot 0 PCI1
 376  *46        Interrupt Line B from slot 0 PCI1
 377  *47        Interrupt Line A from slot 0 PCI1
 378  *48-52     Unused
 379  *53        PCI0 NMI (from Cypress)
 380  *54        PCI0 SMI INT (from Cypress)
 381  *55        PCI0 ISA Interrupt (from Cypress)
 382  *56-60     Unused
 383  *61        PCI1 Bus Error
 384  *62        PCI0 Bus Error
 385  *63        Reserved
 386  *
 387  * IdSel
 388  *   5   Cypress Bridge I/O
 389  *   6   SCSI Adaptec builtin
 390  *   7   64 bit PCI option slot 0 (all busses)
 391  *   8   64 bit PCI option slot 1 (all busses)
 392  *   9   64 bit PCI option slot 2 (all busses)
 393  *  10   64 bit PCI option slot 3 (not bus 0)
 394  */
 395
 396 static int __init
 397 isa_irq_fixup(struct pci_dev *dev, int irq)
 398 {
 399         u8 irq8;
 400
 401         if (irq > 0)
 402                 return irq;
 403
 404         /* This interrupt is routed via ISA bridge, so we'll
 405            just have to trust whatever value the console might
 406            have assigned.  */
 407         pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8);
 408
 409         return irq8 & 0xf;
 410 }
 411
 412 static int __init
 413 dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 414 {
 415         static char irq_tab[6][5] __initdata = {
 416                 /*INT    INTA   INTB   INTC   INTD */
 417                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 5 ISA Bridge */
 418                 { 16+ 3, 16+ 3, 16+ 2, 16+ 2, 16+ 2}, /* IdSel 6 SCSI builtin*/
 419                 { 16+15, 16+15, 16+14, 16+13, 16+12}, /* IdSel 7 slot 0 */
 420                 { 16+11, 16+11, 16+10, 16+ 9, 16+ 8}, /* IdSel 8 slot 1 */
 421                 { 16+ 7, 16+ 7, 16+ 6, 16+ 5, 16+ 4}, /* IdSel 9 slot 2 */
 422                 { 16+ 3, 16+ 3, 16+ 2, 16+ 1, 16+ 0}  /* IdSel 10 slot 3 */
 423         };
 424         const long min_idsel = 5, max_idsel = 10, irqs_per_slot = 5;
 425         struct pci_controller *hose = dev->sysdata;
 426         int irq = COMMON_TABLE_LOOKUP;
 427
 428         if (irq > 0)
 429                 irq += 16 * hose->index;
 430
 431         return isa_irq_fixup(dev, irq);
 432 }
 433
 434 static int __init
 435 monet_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 436 {
 437         static char irq_tab[13][5] __initdata = {
 438                 /*INT    INTA   INTB   INTC   INTD */
 439                 {    45,    45,    45,    45,    45}, /* IdSel 3 21143 PCI1 */
 440                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 4 unused */
 441                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 5 unused */
 442                 {    47,    47,    47,    47,    47}, /* IdSel 6 SCSI PCI1 */
 443                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 7 ISA Bridge */
 444                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 8 P2P PCI1 */
 445 #if 1
 446                 {    28,    28,    29,    30,    31}, /* IdSel 14 slot 4 PCI2*/
 447                 {    24,    24,    25,    26,    27}, /* IdSel 15 slot 5 PCI2*/
 448 #else
 449                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 9 unused */
 450                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 10 unused */
 451 #endif
 452                 {    40,    40,    41,    42,    43}, /* IdSel 11 slot 1 PCI0*/
 453                 {    36,    36,    37,    38,    39}, /* IdSel 12 slot 2 PCI0*/
 454                 {    32,    32,    33,    34,    35}, /* IdSel 13 slot 3 PCI0*/
 455                 {    28,    28,    29,    30,    31}, /* IdSel 14 slot 4 PCI2*/
 456                 {    24,    24,    25,    26,    27}  /* IdSel 15 slot 5 PCI2*/
 457         };
 458         const long min_idsel = 3, max_idsel = 15, irqs_per_slot = 5;
 459
 460         return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
 461 }
 462
 463 static u8 __init
 464 monet_swizzle(struct pci_dev *dev, u8 *pinp)
 465 {
 466         struct pci_controller *hose = dev->sysdata;
 467         int slot, pin = *pinp;
 468
 469         if (!dev->bus->parent) {
 470                 slot = PCI_SLOT(dev->devfn);
 471         }
 472         /* Check for the built-in bridge on hose 1. */
 473         else if (hose->index == 1 && PCI_SLOT(dev->bus->self->devfn) == 8) {
 474                 slot = PCI_SLOT(dev->devfn);
 475         } else {
 476                 /* Must be a card-based bridge.  */
 477                 do {
 478                         /* Check for built-in bridge on hose 1. */
 479                         if (hose->index == 1 &&
 480                             PCI_SLOT(dev->bus->self->devfn) == 8) {
 481                                 slot = PCI_SLOT(dev->devfn);
 482                                 break;
 483                         }
 484                         pin = pci_swizzle_interrupt_pin(dev, pin);
 485
 486                         /* Move up the chain of bridges.  */
 487                         dev = dev->bus->self;
 488                         /* Slot of the next bridge.  */
 489                         slot = PCI_SLOT(dev->devfn);
 490                 } while (dev->bus->self);
 491         }
 492         *pinp = pin;
 493         return slot;
 494 }
 495
 496 static int __init
 497 webbrick_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 498 {
 499         static char irq_tab[13][5] __initdata = {
 500                 /*INT    INTA   INTB   INTC   INTD */
 501                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 7 ISA Bridge */
 502                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 8 unused */
 503                 {    29,    29,    29,    29,    29}, /* IdSel 9 21143 #1 */
 504                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 10 unused */
 505                 {    30,    30,    30,    30,    30}, /* IdSel 11 21143 #2 */
 506                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 12 unused */
 507                 {    -1,    -1,    -1,    -1,    -1}, /* IdSel 13 unused */
 508                 {    35,    35,    34,    33,    32}, /* IdSel 14 slot 0 */
 509                 {    39,    39,    38,    37,    36}, /* IdSel 15 slot 1 */
 510                 {    43,    43,    42,    41,    40}, /* IdSel 16 slot 2 */
 511                 {    47,    47,    46,    45,    44}, /* IdSel 17 slot 3 */
 512         };
 513         const long min_idsel = 7, max_idsel = 17, irqs_per_slot = 5;
 514
 515         return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
 516 }
 517
 518 static int __init
 519 clipper_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 520 {
 521         static char irq_tab[7][5] __initdata = {
 522                 /*INT    INTA   INTB   INTC   INTD */
 523                 { 16+ 8, 16+ 8, 16+ 9, 16+10, 16+11}, /* IdSel 1 slot 1 */
 524                 { 16+12, 16+12, 16+13, 16+14, 16+15}, /* IdSel 2 slot 2 */
 525                 { 16+16, 16+16, 16+17, 16+18, 16+19}, /* IdSel 3 slot 3 */
 526                 { 16+20, 16+20, 16+21, 16+22, 16+23}, /* IdSel 4 slot 4 */
 527                 { 16+24, 16+24, 16+25, 16+26, 16+27}, /* IdSel 5 slot 5 */
 528                 { 16+28, 16+28, 16+29, 16+30, 16+31}, /* IdSel 6 slot 6 */
 529                 {    -1,    -1,    -1,    -1,    -1}  /* IdSel 7 ISA Bridge */
 530         };
 531         const long min_idsel = 1, max_idsel = 7, irqs_per_slot = 5;
 532         struct pci_controller *hose = dev->sysdata;
 533         int irq = COMMON_TABLE_LOOKUP;
 534
 535         if (irq > 0)
 536                 irq += 16 * hose->index;
 537
 538         return isa_irq_fixup(dev, irq);
 539 }
 540
 541 static void __init
 542 dp264_init_pci(void)
 543 {
 544         common_init_pci();
 545         SMC669_Init(0);
 546         locate_and_init_vga(NULL);
 547 }
 548
 549 static void __init
 550 monet_init_pci(void)
 551 {
 552         common_init_pci();
 553         SMC669_Init(1);
 554         es1888_init();
 555         locate_and_init_vga(NULL);
 556 }
 557
 558 static void __init
 559 clipper_init_pci(void)
 560 {
 561         common_init_pci();
 562         locate_and_init_vga(NULL);
 563 }
 564
 565 static void __init
 566 webbrick_init_arch(void)
 567 {
 568         tsunami_init_arch();
 569
 570         /* Tsunami caches 4 PTEs at a time; DS10 has only 1 hose. */
 571         hose_head->sg_isa->align_entry = 4;
 572         hose_head->sg_pci->align_entry = 4;
 573 }
 574
 575
 576 /*
 577  * The System Vectors
 578  */
 579
 580 struct alpha_machine_vector dp264_mv __initmv = {
 581         .vector_name            = "DP264",
 582         DO_EV6_MMU,
 583         DO_DEFAULT_RTC,
 584         DO_TSUNAMI_IO,
 585         .machine_check          = tsunami_machine_check,
 586         .max_isa_dma_address    = ALPHA_MAX_ISA_DMA_ADDRESS,
 587         .min_io_address         = DEFAULT_IO_BASE,
 588         .min_mem_address        = DEFAULT_MEM_BASE,
 589         .pci_dac_offset         = TSUNAMI_DAC_OFFSET,
 590
 591         .nr_irqs                = 64,
 592         .device_interrupt       = dp264_device_interrupt,
 593
 594         .init_arch              = tsunami_init_arch,
 595         .init_irq               = dp264_init_irq,
 596         .init_rtc               = common_init_rtc,
 597         .init_pci               = dp264_init_pci,
 598         .kill_arch              = tsunami_kill_arch,
 599         .pci_map_irq            = dp264_map_irq,
 600         .pci_swizzle            = common_swizzle,
 601 };
 602 ALIAS_MV(dp264)
 603
 604 struct alpha_machine_vector monet_mv __initmv = {
 605         .vector_name            = "Monet",
 606         DO_EV6_MMU,
 607         DO_DEFAULT_RTC,
 608         DO_TSUNAMI_IO,
 609         .machine_check          = tsunami_machine_check,
 610         .max_isa_dma_address    = ALPHA_MAX_ISA_DMA_ADDRESS,
 611         .min_io_address         = DEFAULT_IO_BASE,
 612         .min_mem_address        = DEFAULT_MEM_BASE,
 613         .pci_dac_offset         = TSUNAMI_DAC_OFFSET,
 614
 615         .nr_irqs                = 64,
 616         .device_interrupt       = dp264_device_interrupt,
 617
 618         .init_arch              = tsunami_init_arch,
 619         .init_irq               = dp264_init_irq,
 620         .init_rtc               = common_init_rtc,
 621         .init_pci               = monet_init_pci,
 622         .kill_arch              = tsunami_kill_arch,
 623         .pci_map_irq            = monet_map_irq,
 624         .pci_swizzle            = monet_swizzle,
 625 };
 626
 627 struct alpha_machine_vector webbrick_mv __initmv = {
 628         .vector_name            = "Webbrick",
 629         DO_EV6_MMU,
 630         DO_DEFAULT_RTC,
 631         DO_TSUNAMI_IO,
 632         .machine_check          = tsunami_machine_check,
 633         .max_isa_dma_address    = ALPHA_MAX_ISA_DMA_ADDRESS,
 634         .min_io_address         = DEFAULT_IO_BASE,
 635         .min_mem_address        = DEFAULT_MEM_BASE,
 636         .pci_dac_offset         = TSUNAMI_DAC_OFFSET,
 637
 638         .nr_irqs                = 64,
 639         .device_interrupt       = dp264_device_interrupt,
 640
 641         .init_arch              = webbrick_init_arch,
 642         .init_irq               = dp264_init_irq,
 643         .init_rtc               = common_init_rtc,
 644         .init_pci               = common_init_pci,
 645         .kill_arch              = tsunami_kill_arch,
 646         .pci_map_irq            = webbrick_map_irq,
 647         .pci_swizzle            = common_swizzle,
 648 };
 649
 650 struct alpha_machine_vector clipper_mv __initmv = {
 651         .vector_name            = "Clipper",
 652         DO_EV6_MMU,
 653         DO_DEFAULT_RTC,
 654         DO_TSUNAMI_IO,
 655         .machine_check          = tsunami_machine_check,
 656         .max_isa_dma_address    = ALPHA_MAX_ISA_DMA_ADDRESS,
 657         .min_io_address         = DEFAULT_IO_BASE,
 658         .min_mem_address        = DEFAULT_MEM_BASE,
 659         .pci_dac_offset         = TSUNAMI_DAC_OFFSET,
 660
 661         .nr_irqs                = 64,
 662         .device_interrupt       = dp264_device_interrupt,
 663
 664         .init_arch              = tsunami_init_arch,
 665         .init_irq               = clipper_init_irq,
 666         .init_rtc               = common_init_rtc,
 667         .init_pci               = clipper_init_pci,
 668         .kill_arch              = tsunami_kill_arch,
 669         .pci_map_irq            = clipper_map_irq,
 670         .pci_swizzle            = common_swizzle,
 671 };
 672
 673 /* Sharks strongly resemble Clipper, at least as far
 674  * as interrupt routing, etc, so we're using the
 675  * same functions as Clipper does
 676  */
 677
 678 struct alpha_machine_vector shark_mv __initmv = {
 679         .vector_name            = "Shark",
 680         DO_EV6_MMU,
 681         DO_DEFAULT_RTC,
 682         DO_TSUNAMI_IO,
 683         .machine_check          = tsunami_machine_check,
 684         .max_isa_dma_address    = ALPHA_MAX_ISA_DMA_ADDRESS,
 685         .min_io_address         = DEFAULT_IO_BASE,
 686         .min_mem_address        = DEFAULT_MEM_BASE,
 687         .pci_dac_offset         = TSUNAMI_DAC_OFFSET,
 688
 689         .nr_irqs                = 64,
 690         .device_interrupt       = dp264_device_interrupt,
 691
 692         .init_arch              = tsunami_init_arch,
 693         .init_irq               = clipper_init_irq,
 694         .init_rtc               = common_init_rtc,
 695         .init_pci               = common_init_pci,
 696         .kill_arch              = tsunami_kill_arch,
 697         .pci_map_irq            = clipper_map_irq,
 698         .pci_swizzle            = common_swizzle,
 699 };
 700
 701 /* No alpha_mv alias for webbrick/monet/clipper, since we compile them
 702    in unconditionally with DP264; setup_arch knows how to cope.  */