arch/alpha/kernel/sys_dp264.c

   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
  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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 522 clipper_init_pci(void)
 523 {
 524         common_init_pci();
 525         locate_and_init_vga(NULL);
 526 }
 527
 528 static void __init
 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.  */