arch/ppc/kernel/pmac_setup.c

   1 /*
   2  *  linux/arch/ppc/kernel/setup.c
   3  *
   4  *  PowerPC version
   5  *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
   6  *
   7  *  Adapted for Power Macintosh by Paul Mackerras
   8  *    Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au)
   9  *
  10  *  Derived from "arch/alpha/kernel/setup.c"
  11  *    Copyright (C) 1995 Linus Torvalds
  12  *
  13  *  This program is free software; you can redistribute it and/or
  14  *  modify it under the terms of the GNU General Public License
  15  *  as published by the Free Software Foundation; either version
  16  *  2 of the License, or (at your option) any later version.
  17  *
  18  */
  19
  20 /*
  21  * bootup setup stuff..
  22  */
  23
  24 #include <linux/config.h>
  25 #include <linux/init.h>
  26 #include <linux/errno.h>
  27 #include <linux/sched.h>
  28 #include <linux/kernel.h>
  29 #include <linux/mm.h>
  30 #include <linux/stddef.h>
  31 #include <linux/unistd.h>
  32 #include <linux/ptrace.h>
  33 #include <linux/malloc.h>
  34 #include <linux/user.h>
  35 #include <linux/a.out.h>
  36 #include <linux/tty.h>
  37 #include <linux/string.h>
  38 #include <linux/delay.h>
  39 #include <linux/ioport.h>
  40 #include <linux/major.h>
  41 #include <linux/blk.h>
  42 #include <linux/vt_kern.h>
  43 #include <linux/console.h>
  44 #include <linux/ide.h>
  45 #include <linux/pci.h>
  46 #include <linux/adb.h>
  47 #include <linux/cuda.h>
  48 #include <linux/pmu.h>
  49
  50 #include <asm/init.h>
  51 #include <asm/prom.h>
  52 #include <asm/system.h>
  53 #include <asm/pgtable.h>
  54 #include <asm/bitops.h>
  55 #include <asm/io.h>
  56 #include <asm/pci-bridge.h>
  57 #include <asm/ohare.h>
  58 #include <asm/mediabay.h>
  59 #include <asm/feature.h>
  60 #include <asm/machdep.h>
  61 #include <asm/keyboard.h>
  62 #include <asm/dma.h>
  63 #include <asm/bootx.h>
  64
  65 #include <asm/time.h>
  66 #include "local_irq.h"
  67 #include "pmac_pic.h"
  68
  69 #undef SHOW_GATWICK_IRQS
  70
  71 extern long pmac_time_init(void);
  72 extern unsigned long pmac_get_rtc_time(void);
  73 extern int pmac_set_rtc_time(unsigned long nowtime);
  74 extern void pmac_read_rtc_time(void);
  75 extern void pmac_calibrate_decr(void);
  76 extern void pmac_setup_pci_ptrs(void);
  77
  78 extern int mackbd_setkeycode(unsigned int scancode, unsigned int keycode);
  79 extern int mackbd_getkeycode(unsigned int scancode);
  80 extern int mackbd_translate(unsigned char keycode, unsigned char *keycodep,
  81                      char raw_mode);
  82 extern int mackbd_unexpected_up(unsigned char keycode);
  83 extern void mackbd_leds(unsigned char leds);
  84 extern void __init mackbd_init_hw(void);
  85 extern int mac_hid_kbd_translate(unsigned char scancode, unsigned char *keycode,
  86                                  char raw_mode);
  87 extern char mac_hid_kbd_unexpected_up(unsigned char keycode);
  88 extern void mac_hid_init_hw(void);
  89 #ifdef CONFIG_MAGIC_SYSRQ
  90 extern unsigned char mac_hid_kbd_sysrq_xlate[128];
  91 extern unsigned char pckbd_sysrq_xlate[128];
  92 extern unsigned char mackbd_sysrq_xlate[128];
  93 #endif /* CONFIG_MAGIC_SYSRQ */
  94 extern int pckbd_setkeycode(unsigned int scancode, unsigned int keycode);
  95 extern int pckbd_getkeycode(unsigned int scancode);
  96 extern int pckbd_translate(unsigned char scancode, unsigned char *keycode,
  97                            char raw_mode);
  98 extern char pckbd_unexpected_up(unsigned char keycode);
  99 extern int keyboard_sends_linux_keycodes;
 100 extern void pmac_nvram_update(void);
 101
 102 extern void *pmac_pci_dev_io_base(unsigned char bus, unsigned char devfn, int physical);
 103 extern void *pmac_pci_dev_mem_base(unsigned char bus, unsigned char devfn);
 104 extern int pmac_pci_dev_root_bridge(unsigned char bus, unsigned char devfn);
 105
 106 unsigned char drive_info;
 107
 108 int ppc_override_l2cr = 0;
 109 int ppc_override_l2cr_value;
 110 int has_l2cache = 0;
 111
 112 static int current_root_goodness = -1;
 113
 114 extern char saved_command_line[];
 115
 116 extern int pmac_newworld;
 117
 118 #define DEFAULT_ROOT_DEVICE 0x0801      /* sda1 - slightly silly choice */
 119
 120 extern void zs_kgdb_hook(int tty_num);
 121 static void ohare_init(void);
 122 static void init_p2pbridge(void);
 123 #ifdef CONFIG_BOOTX_TEXT
 124 void pmac_progress(char *s, unsigned short hex);
 125 #endif
 126
 127 sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;
 128
 129 __pmac
 130 int
 131 pmac_get_cpuinfo(char *buffer)
 132 {
 133         int len;
 134         struct device_node *np;
 135         char *pp;
 136         int plen;
 137
 138         /* find motherboard type */
 139         len = sprintf(buffer, "machine\t\t: ");
 140         np = find_devices("device-tree");
 141         if (np != NULL) {
 142                 pp = (char *) get_property(np, "model", NULL);
 143                 if (pp != NULL)
 144                         len += sprintf(buffer+len, "%s\n", pp);
 145                 else
 146                         len += sprintf(buffer+len, "PowerMac\n");
 147                 pp = (char *) get_property(np, "compatible", &plen);
 148                 if (pp != NULL) {
 149                         len += sprintf(buffer+len, "motherboard\t:");
 150                         while (plen > 0) {
 151                                 int l = strlen(pp) + 1;
 152                                 len += sprintf(buffer+len, " %s", pp);
 153                                 plen -= l;
 154                                 pp += l;
 155                         }
 156                         buffer[len++] = '\n';
 157                 }
 158         } else
 159                 len += sprintf(buffer+len, "PowerMac\n");
 160
 161         /* find l2 cache info */
 162         np = find_devices("l2-cache");
 163         if (np == 0)
 164                 np = find_type_devices("cache");
 165         if (np != 0) {
 166                 unsigned int *ic = (unsigned int *)
 167                         get_property(np, "i-cache-size", NULL);
 168                 unsigned int *dc = (unsigned int *)
 169                         get_property(np, "d-cache-size", NULL);
 170                 len += sprintf(buffer+len, "L2 cache\t:");
 171                 has_l2cache = 1;
 172                 if (get_property(np, "cache-unified", NULL) != 0 && dc) {
 173                         len += sprintf(buffer+len, " %dK unified", *dc / 1024);
 174                 } else {
 175                         if (ic)
 176                                 len += sprintf(buffer+len, " %dK instruction",
 177                                                *ic / 1024);
 178                         if (dc)
 179                                 len += sprintf(buffer+len, "%s %dK data",
 180                                                (ic? " +": ""), *dc / 1024);
 181                 }
 182                 pp = get_property(np, "ram-type", NULL);
 183                 if (pp)
 184                         len += sprintf(buffer+len, " %s", pp);
 185                 buffer[len++] = '\n';
 186         }
 187
 188         /* find ram info */
 189         np = find_devices("memory");
 190         if (np != 0) {
 191                 int n;
 192                 struct reg_property *reg = (struct reg_property *)
 193                         get_property(np, "reg", &n);
 194
 195                 if (reg != 0) {
 196                         unsigned long total = 0;
 197
 198                         for (n /= sizeof(struct reg_property); n > 0; --n)
 199                                 total += (reg++)->size;
 200                         len += sprintf(buffer+len, "memory\t\t: %luMB\n",
 201                                        total >> 20);
 202                 }
 203         }
 204
 205         /* Checks "l2cr-value" property in the registry */
 206         np = find_devices("cpus");
 207         if (np == 0)
 208                 np = find_type_devices("cpu");
 209         if (np != 0) {
 210                 unsigned int *l2cr = (unsigned int *)
 211                         get_property(np, "l2cr-value", NULL);
 212                 if (l2cr != 0) {
 213                         len += sprintf(buffer+len, "l2cr override\t: 0x%x\n", *l2cr);
 214                 }
 215         }
 216
 217         /* Indicate newworld/oldworld */
 218         len += sprintf(buffer+len, "pmac-generation\t: %s\n",
 219                 pmac_newworld ? "NewWorld" : "OldWorld");
 220
 221
 222         return len;
 223 }
 224
 225 #ifdef CONFIG_SCSI
 226 /* Find the device number for the disk (if any) at target tgt
 227    on host adaptor host.  We just need to get the prototype from
 228    sd.h */
 229 #include <linux/blkdev.h>
 230 #include "../../../drivers/scsi/scsi.h"
 231 #include "../../../drivers/scsi/sd.h"
 232
 233 #endif
 234
 235 /*
 236  * Dummy mksound function that does nothing.
 237  * The real one is in the dmasound driver.
 238  */
 239 __pmac
 240 static void
 241 pmac_mksound(unsigned int hz, unsigned int ticks)
 242 {
 243 }
 244
 245 static volatile u32 *sysctrl_regs;
 246
 247 void __init
 248 pmac_setup_arch(void)
 249 {
 250         struct device_node *cpu;
 251         int *fp;
 252
 253         /* Set loops_per_sec to a half-way reasonable value,
 254            for use until calibrate_delay gets called. */
 255         cpu = find_type_devices("cpu");
 256         if (cpu != 0) {
 257                 fp = (int *) get_property(cpu, "clock-frequency", NULL);
 258                 if (fp != 0) {
 259                         switch (_get_PVR() >> 16) {
 260                         case 4:         /* 604 */
 261                         case 8:         /* G3 */
 262                         case 9:         /* 604e */
 263                         case 10:        /* mach V (604ev5) */
 264                         case 12:        /* G4 */
 265                         case 20:        /* 620 */
 266                                 loops_per_sec = *fp;
 267                                 break;
 268                         default:        /* 601, 603, etc. */
 269                                 loops_per_sec = *fp / 2;
 270                         }
 271                 } else
 272                         loops_per_sec = 50000000;
 273         }
 274
 275         /* this area has the CPU identification register
 276            and some registers used by smp boards */
 277         sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000);
 278         __ioremap(0xffc00000, 0x400000, pgprot_val(PAGE_READONLY));
 279         ohare_init();
 280
 281         pmac_find_bridges();
 282         init_p2pbridge();
 283
 284         /* Checks "l2cr-value" property in the registry */
 285         if ( (_get_PVR() >> 16) == 8 || (_get_PVR() >> 16) == 12 ) {
 286                 struct device_node *np = find_devices("cpus");
 287                 if (np == 0)
 288                         np = find_type_devices("cpu");
 289                 if (np != 0) {
 290                         unsigned int *l2cr = (unsigned int *)
 291                                 get_property(np, "l2cr-value", NULL);
 292                         if (l2cr != 0) {
 293                                 ppc_override_l2cr = 1;
 294                                 ppc_override_l2cr_value = *l2cr;
 295                                 _set_L2CR(0);
 296                                 _set_L2CR(ppc_override_l2cr_value);
 297                         }
 298                 }
 299         }
 300
 301         if (ppc_override_l2cr)
 302                 printk(KERN_INFO "L2CR overriden (0x%x), backside cache is %s\n",
 303                         ppc_override_l2cr_value, (ppc_override_l2cr_value & 0x80000000)
 304                                 ? "enabled" : "disabled");
 305
 306 #ifdef CONFIG_KGDB
 307         zs_kgdb_hook(0);
 308 #endif
 309
 310 #ifdef CONFIG_ADB_CUDA
 311         find_via_cuda();
 312 #endif
 313 #ifdef CONFIG_ADB_PMU
 314         find_via_pmu();
 315 #endif
 316 #ifdef CONFIG_NVRAM
 317         pmac_nvram_init();
 318 #endif
 319 #ifdef CONFIG_DUMMY_CONSOLE
 320         conswitchp = &dummy_con;
 321 #endif
 322
 323         kd_mksound = pmac_mksound;
 324
 325 #ifdef CONFIG_BLK_DEV_INITRD
 326         if (initrd_start)
 327                 ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
 328         else
 329 #endif
 330                 ROOT_DEV = to_kdev_t(DEFAULT_ROOT_DEVICE);
 331 }
 332
 333 /*
 334  * Tweak the PCI-PCI bridge chip on the blue & white G3s.
 335  */
 336 static void __init init_p2pbridge(void)
 337 {
 338         struct device_node *p2pbridge;
 339         unsigned char bus, devfn;
 340         unsigned short val;
 341
 342         /* XXX it would be better here to identify the specific
 343            PCI-PCI bridge chip we have. */
 344         if ((p2pbridge = find_devices("pci-bridge")) == 0
 345             || p2pbridge->parent == NULL
 346             || strcmp(p2pbridge->parent->name, "pci") != 0)
 347                 return;
 348         if (pci_device_loc(p2pbridge, &bus, &devfn) < 0)
 349                 return;
 350         if (ppc_md.pcibios_read_config_word(bus, devfn, PCI_BRIDGE_CONTROL, &val) < 0) {
 351                 printk(KERN_ERR "init_p2pbridge: couldn't read bridge control\n");
 352                 return;
 353         }
 354         val &= ~PCI_BRIDGE_CTL_MASTER_ABORT;
 355         ppc_md.pcibios_write_config_word(bus, devfn, PCI_BRIDGE_CONTROL, val);
 356         ppc_md.pcibios_read_config_word(bus, devfn, PCI_BRIDGE_CONTROL, &val);
 357 }
 358
 359 static void __init ohare_init(void)
 360 {
 361         /*
 362          * Turn on the L2 cache.
 363          * We assume that we have a PSX memory controller iff
 364          * we have an ohare I/O controller.
 365          */
 366         if (find_devices("ohare") != NULL) {
 367                 if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) {
 368                         if (sysctrl_regs[4] & 0x10)
 369                                 sysctrl_regs[4] |= 0x04000020;
 370                         else
 371                                 sysctrl_regs[4] |= 0x04000000;
 372                         if(has_l2cache)
 373                                 printk(KERN_INFO "Level 2 cache enabled\n");
 374                 }
 375         }
 376 }
 377
 378 extern char *bootpath;
 379 extern char *bootdevice;
 380 void *boot_host;
 381 int boot_target;
 382 int boot_part;
 383 kdev_t boot_dev;
 384
 385 void __init
 386 pmac_init2(void)
 387 {
 388 #ifdef CONFIG_ADB_PMU
 389         via_pmu_start();
 390 #endif
 391 #ifdef CONFIG_ADB_CUDA
 392         via_cuda_start();
 393 #endif
 394 #ifdef CONFIG_PMAC_PBOOK
 395         media_bay_init();
 396 #endif
 397 }
 398
 399 #ifdef CONFIG_SCSI
 400 void __init
 401 note_scsi_host(struct device_node *node, void *host)
 402 {
 403         int l;
 404         char *p;
 405
 406         l = strlen(node->full_name);
 407         if (bootpath != NULL && bootdevice != NULL
 408             && strncmp(node->full_name, bootdevice, l) == 0
 409             && (bootdevice[l] == '/' || bootdevice[l] == 0)) {
 410                 boot_host = host;
 411                 /*
 412                  * There's a bug in OF 1.0.5.  (Why am I not surprised.)
 413                  * If you pass a path like scsi/sd@1:0 to canon, it returns
 414                  * something like /bandit@F2000000/gc@10/53c94@10000/sd@0,0
 415                  * That is, the scsi target number doesn't get preserved.
 416                  * So we pick the target number out of bootpath and use that.
 417                  */
 418                 p = strstr(bootpath, "/sd@");
 419                 if (p != NULL) {
 420                         p += 4;
 421                         boot_target = simple_strtoul(p, NULL, 10);
 422                         p = strchr(p, ':');
 423                         if (p != NULL)
 424                                 boot_part = simple_strtoul(p + 1, NULL, 10);
 425                 }
 426         }
 427 }
 428 #endif
 429
 430 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
 431
 432 kdev_t __init find_ide_boot(void)
 433 {
 434         char *p;
 435         int n;
 436         kdev_t __init pmac_find_ide_boot(char *bootdevice, int n);
 437
 438         if (bootdevice == NULL)
 439                 return 0;
 440         p = strrchr(bootdevice, '/');
 441         if (p == NULL)
 442                 return 0;
 443         n = p - bootdevice;
 444
 445         return pmac_find_ide_boot(bootdevice, n);
 446 }
 447 #endif /* CONFIG_BLK_DEV_IDE && CONFIG_BLK_DEV_IDE_PMAC */
 448
 449 void __init find_boot_device(void)
 450 {
 451 #ifdef CONFIG_SCSI
 452         if (boot_host != NULL) {
 453                 boot_dev = sd_find_target(boot_host, boot_target);
 454                 if (boot_dev != 0)
 455                         return;
 456         }
 457 #endif
 458 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
 459         boot_dev = find_ide_boot();
 460 #endif
 461 }
 462
 463 /* can't be __init - can be called whenever a disk is first accessed */
 464 __pmac
 465 void note_bootable_part(kdev_t dev, int part, int goodness)
 466 {
 467         static int found_boot = 0;
 468         char *p;
 469
 470         /* Do nothing if the root has been set already. */
 471         if ((goodness < current_root_goodness) &&
 472                 (ROOT_DEV != to_kdev_t(DEFAULT_ROOT_DEVICE)))
 473                 return;
 474         p = strstr(saved_command_line, "root=");
 475         if (p != NULL && (p == saved_command_line || p[-1] == ' '))
 476                 return;
 477
 478         if (!found_boot) {
 479                 find_boot_device();
 480                 found_boot = 1;
 481         }
 482         if (boot_dev == 0 || dev == boot_dev) {
 483                 ROOT_DEV = MKDEV(MAJOR(dev), MINOR(dev) + part);
 484                 boot_dev = NODEV;
 485                 current_root_goodness = goodness;
 486         }
 487 }
 488
 489 void
 490 pmac_restart(char *cmd)
 491 {
 492 #ifdef CONFIG_ADB_CUDA
 493         struct adb_request req;
 494 #endif /* CONFIG_ADB_CUDA */
 495
 496         pmac_nvram_update();
 497
 498         switch (sys_ctrler) {
 499 #ifdef CONFIG_ADB_CUDA
 500         case SYS_CTRLER_CUDA:
 501                 cuda_request(&req, NULL, 2, CUDA_PACKET,
 502                              CUDA_RESET_SYSTEM);
 503                 for (;;)
 504                         cuda_poll();
 505                 break;
 506 #endif /* CONFIG_ADB_CUDA */
 507 #ifdef CONFIG_ADB_PMU
 508         case SYS_CTRLER_PMU:
 509                 pmu_restart();
 510                 break;
 511 #endif /* CONFIG_ADB_PMU */
 512         default:
 513         }
 514 }
 515
 516 void
 517 pmac_power_off(void)
 518 {
 519 #ifdef CONFIG_ADB_CUDA
 520         struct adb_request req;
 521 #endif /* CONFIG_ADB_CUDA */
 522
 523         pmac_nvram_update();
 524
 525         switch (sys_ctrler) {
 526 #ifdef CONFIG_ADB_CUDA
 527         case SYS_CTRLER_CUDA:
 528                 cuda_request(&req, NULL, 2, CUDA_PACKET,
 529                              CUDA_POWERDOWN);
 530                 for (;;)
 531                         cuda_poll();
 532                 break;
 533 #endif /* CONFIG_ADB_CUDA */
 534 #ifdef CONFIG_ADB_PMU
 535         case SYS_CTRLER_PMU:
 536                 pmu_shutdown();
 537                 break;
 538 #endif /* CONFIG_ADB_PMU */
 539         default:
 540         }
 541 }
 542
 543 void
 544 pmac_halt(void)
 545 {
 546    pmac_power_off();
 547 }
 548
 549
 550 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
 551 /*
 552  * IDE stuff.
 553  */
 554 void
 555 pmac_ide_insw(ide_ioreg_t port, void *buf, int ns)
 556 {
 557         _insw_ns((unsigned short *)(port+_IO_BASE), buf, ns);
 558 }
 559
 560 void
 561 pmac_ide_outsw(ide_ioreg_t port, void *buf, int ns)
 562 {
 563         _outsw_ns((unsigned short *)(port+_IO_BASE), buf, ns);
 564 }
 565
 566 int
 567 pmac_ide_default_irq(ide_ioreg_t base)
 568 {
 569         return 0;
 570 }
 571
 572 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
 573 extern ide_ioreg_t pmac_ide_get_base(int index);
 574 #endif
 575
 576 ide_ioreg_t
 577 pmac_ide_default_io_base(int index)
 578 {
 579 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
 580         return pmac_ide_get_base(index);
 581 #else
 582         return 0;
 583 #endif
 584 }
 585
 586 int
 587 pmac_ide_check_region(ide_ioreg_t from, unsigned int extent)
 588 {
 589         return 0;
 590 }
 591
 592 void
 593 pmac_ide_request_region(ide_ioreg_t from,
 594                         unsigned int extent,
 595                         const char *name)
 596 {
 597 }
 598
 599 void
 600 pmac_ide_release_region(ide_ioreg_t from,
 601                         unsigned int extent)
 602 {
 603 }
 604
 605 /* Convert the shorts/longs in hd_driveid from little to big endian;
 606  * chars are endian independant, of course, but strings need to be flipped.
 607  * (Despite what it says in drivers/block/ide.h, they come up as little
 608  * endian...)
 609  *
 610  * Changes to linux/hdreg.h may require changes here. */
 611 void
 612 pmac_ide_fix_driveid(struct hd_driveid *id)
 613 {
 614         ppc_generic_ide_fix_driveid(id);
 615 }
 616
 617 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
 618 /* This is declared in drivers/block/ide-pmac.c */
 619 void pmac_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq);
 620 #else
 621 /*
 622  * This registers the standard ports for this architecture with the IDE
 623  * driver.
 624  */
 625 void pmac_ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq)
 626 {
 627 }
 628 #endif
 629 #endif
 630
 631 void __init
 632 pmac_init(unsigned long r3, unsigned long r4, unsigned long r5,
 633           unsigned long r6, unsigned long r7)
 634 {
 635         pmac_setup_pci_ptrs();
 636
 637         /* isa_io_base gets set in pmac_find_bridges */
 638         isa_mem_base = PMAC_ISA_MEM_BASE;
 639         pci_dram_offset = PMAC_PCI_DRAM_OFFSET;
 640         ISA_DMA_THRESHOLD = ~0L;
 641         DMA_MODE_READ = 1;
 642         DMA_MODE_WRITE = 2;
 643
 644         ppc_md.setup_arch     = pmac_setup_arch;
 645         ppc_md.setup_residual = NULL;
 646         ppc_md.get_cpuinfo    = pmac_get_cpuinfo;
 647         ppc_md.irq_cannonicalize = NULL;
 648         ppc_md.init_IRQ       = pmac_pic_init;
 649         ppc_md.get_irq        = pmac_get_irq;
 650         ppc_md.init           = pmac_init2;
 651
 652         ppc_md.restart        = pmac_restart;
 653         ppc_md.power_off      = pmac_power_off;
 654         ppc_md.halt           = pmac_halt;
 655
 656         ppc_md.time_init      = pmac_time_init;
 657         ppc_md.set_rtc_time   = pmac_set_rtc_time;
 658         ppc_md.get_rtc_time   = pmac_get_rtc_time;
 659         ppc_md.calibrate_decr = pmac_calibrate_decr;
 660
 661         ppc_md.pci_dev_io_base          = pmac_pci_dev_io_base;
 662         ppc_md.pci_dev_mem_base         = pmac_pci_dev_mem_base;
 663         ppc_md.pci_dev_root_bridge      = pmac_pci_dev_root_bridge;
 664
 665 #ifdef CONFIG_VT
 666 #ifdef CONFIG_INPUT_ADBHID
 667         ppc_md.kbd_init_hw       = mac_hid_init_hw;
 668         ppc_md.kbd_translate     = mac_hid_kbd_translate;
 669         ppc_md.kbd_unexpected_up = mac_hid_kbd_unexpected_up;
 670         ppc_md.kbd_setkeycode    = 0;
 671         ppc_md.kbd_getkeycode    = 0;
 672 #ifdef CONFIG_MAGIC_SYSRQ
 673 #ifdef CONFIG_MAC_ADBKEYCODES
 674         if (!keyboard_sends_linux_keycodes) {
 675                 ppc_md.ppc_kbd_sysrq_xlate = mac_hid_kbd_sysrq_xlate;
 676                 SYSRQ_KEY = 0x69;
 677         } else
 678 #endif /* CONFIG_MAC_ADBKEYCODES */
 679         {
 680                 ppc_md.ppc_kbd_sysrq_xlate = pckbd_sysrq_xlate;
 681                 SYSRQ_KEY = 0x54;
 682         }
 683 #endif /* CONFIG_MAGIC_SYSRQ */
 684 #elif defined(CONFIG_ADB_KEYBOARD)
 685         ppc_md.kbd_setkeycode    = mackbd_setkeycode;
 686         ppc_md.kbd_getkeycode    = mackbd_getkeycode;
 687         ppc_md.kbd_translate     = mackbd_translate;
 688         ppc_md.kbd_unexpected_up = mackbd_unexpected_up;
 689         ppc_md.kbd_leds          = mackbd_leds;
 690         ppc_md.kbd_init_hw       = mackbd_init_hw;
 691 #ifdef CONFIG_MAGIC_SYSRQ
 692         ppc_md.ppc_kbd_sysrq_xlate       = mackbd_sysrq_xlate;
 693         SYSRQ_KEY = 0x69;
 694 #endif /* CONFIG_MAGIC_SYSRQ */
 695 #endif /* CONFIG_INPUT_ADBHID/CONFIG_ADB_KEYBOARD */
 696 #endif /* CONFIG_VT */
 697
 698 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
 699         ppc_ide_md.insw = pmac_ide_insw;
 700         ppc_ide_md.outsw = pmac_ide_outsw;
 701         ppc_ide_md.default_irq = pmac_ide_default_irq;
 702         ppc_ide_md.default_io_base = pmac_ide_default_io_base;
 703         ppc_ide_md.ide_check_region = pmac_ide_check_region;
 704         ppc_ide_md.ide_request_region = pmac_ide_request_region;
 705         ppc_ide_md.ide_release_region = pmac_ide_release_region;
 706         ppc_ide_md.fix_driveid = pmac_ide_fix_driveid;
 707         ppc_ide_md.ide_init_hwif = pmac_ide_init_hwif_ports;
 708
 709         ppc_ide_md.io_base = _IO_BASE;  /* actually too early for this :-( */
 710 #endif
 711 #ifdef CONFIG_BOOTX_TEXT
 712         ppc_md.progress = pmac_progress;
 713 #endif
 714         if (ppc_md.progress) ppc_md.progress("pmac_init(): exit", 0);
 715
 716 }
 717
 718 #ifdef CONFIG_BOOTX_TEXT
 719 extern void drawchar(char c);
 720 extern void drawstring(const char *c);
 721 extern boot_infos_t *disp_bi;
 722 void
 723 pmac_progress(char *s, unsigned short hex)
 724 {
 725         if (disp_bi == 0)
 726                 return;
 727         prom_drawstring(s);
 728         prom_drawchar('\n');
 729 }
 730 #endif CONFIG_BOOTX_TEXT
 731