git.stricted.de - GitHub/MotorolaMobilityLLC/kernel-slsi.git/blob

1 /*

2 * Powermac setup and early boot code plus other random bits.

3 *

4 * PowerPC version

6 *

7 * Adapted for Power Macintosh by Paul Mackerras

9 *

10 * Derived from "arch/alpha/kernel/setup.c"

12 *

13 * Maintained by Benjamin Herrenschmidt (benh@kernel.crashing.org)

14 *

15 * This program is free software; you can redistribute it and/or

16 * modify it under the terms of the GNU General Public License

17 * as published by the Free Software Foundation; either version

18 * 2 of the License, or (at your option) any later version.

19 *

20 */

22 /*

23 * bootup setup stuff..

24 */

26 #include <linux/init.h>

27 #include <linux/errno.h>

28 #include <linux/sched.h>

29 #include <linux/kernel.h>

30 #include <linux/mm.h>

31 #include <linux/stddef.h>

32 #include <linux/unistd.h>

33 #include <linux/ptrace.h>

34 #include <linux/slab.h>

35 #include <linux/user.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/initrd.h>

42 #include <linux/vt_kern.h>

43 #include <linux/console.h>

44 #include <linux/pci.h>

45 #include <linux/adb.h>

46 #include <linux/cuda.h>

47 #include <linux/pmu.h>

48 #include <linux/irq.h>

49 #include <linux/seq_file.h>

50 #include <linux/root_dev.h>

51 #include <linux/bitops.h>

52 #include <linux/suspend.h>

53 #include <linux/of_device.h>

54 #include <linux/of_platform.h>

55 #include <linux/lmb.h>

57 #include <asm/reg.h>

58 #include <asm/sections.h>

59 #include <asm/prom.h>

60 #include <asm/system.h>

61 #include <asm/pgtable.h>

62 #include <asm/io.h>

63 #include <asm/kexec.h>

64 #include <asm/pci-bridge.h>

65 #include <asm/ohare.h>

66 #include <asm/mediabay.h>

67 #include <asm/machdep.h>

68 #include <asm/dma.h>

69 #include <asm/cputable.h>

70 #include <asm/btext.h>

71 #include <asm/pmac_feature.h>

72 #include <asm/time.h>

73 #include <asm/mmu_context.h>

74 #include <asm/iommu.h>

75 #include <asm/smu.h>

76 #include <asm/pmc.h>

77 #include <asm/udbg.h>

79 #include "pmac.h"

81 #undef SHOW_GATWICK_IRQS

83 int ppc_override_l2cr = 0;

84 int ppc_override_l2cr_value;

85 int has_l2cache = 0;

87 int pmac_newworld;

89 static int current_root_goodness = -1;

91 extern struct machdep_calls pmac_md;

93 #define DEFAULT_ROOT_DEVICE Root_SDA1 /* sda1 - slightly silly choice */

95 #ifdef CONFIG_PPC64

96 int sccdbg;

97 #endif

99 sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;

100 EXPORT_SYMBOL(sys_ctrler);

101

102 #ifdef CONFIG_PMAC_SMU

103 unsigned long smu_cmdbuf_abs;

104 EXPORT_SYMBOL(smu_cmdbuf_abs);

105 #endif

106

107 #ifdef CONFIG_SMP

108 extern struct smp_ops_t psurge_smp_ops;

109 extern struct smp_ops_t core99_smp_ops;

110 #endif /* CONFIG_SMP */

111

112 static void pmac_show_cpuinfo(struct seq_file *m)

113 {

114 struct device_node *np;

115 const char *pp;

116 int plen;

117 int mbmodel;

118 unsigned int mbflags;

119 char* mbname;

120

121 mbmodel = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL,

122 PMAC_MB_INFO_MODEL, 0);

123 mbflags = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL,

124 PMAC_MB_INFO_FLAGS, 0);

125 if (pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_NAME,

126 (long) &mbname) != 0)

127 mbname = "Unknown";

128

129 /* find motherboard type */

130 seq_printf(m, "machine\t\t: ");

131 np = of_find_node_by_path("/");

132 if (np != NULL) {

133 pp = of_get_property(np, "model", NULL);

134 if (pp != NULL)

135 seq_printf(m, "%s\n", pp);

136 else

137 seq_printf(m, "PowerMac\n");

138 pp = of_get_property(np, "compatible", &plen);

139 if (pp != NULL) {

140 seq_printf(m, "motherboard\t:");

141 while (plen > 0) {

142 int l = strlen(pp) + 1;

143 seq_printf(m, " %s", pp);

144 plen -= l;

145 pp += l;

146 }

147 seq_printf(m, "\n");

148 }

149 of_node_put(np);

150 } else

151 seq_printf(m, "PowerMac\n");

152

153 /* print parsed model */

154 seq_printf(m, "detected as\t: %d (%s)\n", mbmodel, mbname);

155 seq_printf(m, "pmac flags\t: %08x\n", mbflags);

156

157 /* find l2 cache info */

158 np = of_find_node_by_name(NULL, "l2-cache");

159 if (np == NULL)

160 np = of_find_node_by_type(NULL, "cache");

161 if (np != NULL) {

162 const unsigned int *ic =

163 of_get_property(np, "i-cache-size", NULL);

164 const unsigned int *dc =

165 of_get_property(np, "d-cache-size", NULL);

166 seq_printf(m, "L2 cache\t:");

167 has_l2cache = 1;

168 if (of_get_property(np, "cache-unified", NULL) != 0 && dc) {

169 seq_printf(m, " %dK unified", *dc / 1024);

170 } else {

171 if (ic)

172 seq_printf(m, " %dK instruction", *ic / 1024);

173 if (dc)

174 seq_printf(m, "%s %dK data",

175 (ic? " +": ""), *dc / 1024);

176 }

177 pp = of_get_property(np, "ram-type", NULL);

178 if (pp)

179 seq_printf(m, " %s", pp);

180 seq_printf(m, "\n");

181 of_node_put(np);

182 }

183

184 /* Indicate newworld/oldworld */

185 seq_printf(m, "pmac-generation\t: %s\n",

186 pmac_newworld ? "NewWorld" : "OldWorld");

187 }

188

189 #ifndef CONFIG_ADB_CUDA

190 int find_via_cuda(void)

191 {

192 struct device_node *dn = of_find_node_by_name(NULL, "via-cuda");

193

194 if (!dn)

195 return 0;

196 of_node_put(dn);

197 printk("WARNING ! Your machine is CUDA-based but your kernel\n");

198 printk(" wasn't compiled with CONFIG_ADB_CUDA option !\n");

199 return 0;

200 }

201 #endif

202

203 #ifndef CONFIG_ADB_PMU

204 int find_via_pmu(void)

205 {

206 struct device_node *dn = of_find_node_by_name(NULL, "via-pmu");

207

208 if (!dn)

209 return 0;

210 of_node_put(dn);

211 printk("WARNING ! Your machine is PMU-based but your kernel\n");

212 printk(" wasn't compiled with CONFIG_ADB_PMU option !\n");

213 return 0;

214 }

215 #endif

216

217 #ifndef CONFIG_PMAC_SMU

218 int smu_init(void)

219 {

220 /* should check and warn if SMU is present */

221 return 0;

222 }

223 #endif

224

225 #ifdef CONFIG_PPC32

226 static volatile u32 *sysctrl_regs;

227

228 static void __init ohare_init(void)

229 {

230 struct device_node *dn;

231

232 /* this area has the CPU identification register

233 and some registers used by smp boards */

234 sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000);

235

236 /*

237 * Turn on the L2 cache.

238 * We assume that we have a PSX memory controller iff

239 * we have an ohare I/O controller.

240 */

241 dn = of_find_node_by_name(NULL, "ohare");

242 if (dn) {

243 of_node_put(dn);

244 if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) {

245 if (sysctrl_regs[4] & 0x10)

246 sysctrl_regs[4] |= 0x04000020;

247 else

248 sysctrl_regs[4] |= 0x04000000;

249 if(has_l2cache)

250 printk(KERN_INFO "Level 2 cache enabled\n");

251 }

252 }

253 }

254

255 static void __init l2cr_init(void)

256 {

257 /* Checks "l2cr-value" property in the registry */

258 if (cpu_has_feature(CPU_FTR_L2CR)) {

259 struct device_node *np = of_find_node_by_name(NULL, "cpus");

260 if (np == 0)

261 np = of_find_node_by_type(NULL, "cpu");

262 if (np != 0) {

263 const unsigned int *l2cr =

264 of_get_property(np, "l2cr-value", NULL);

265 if (l2cr != 0) {

266 ppc_override_l2cr = 1;

267 ppc_override_l2cr_value = *l2cr;

268 _set_L2CR(0);

269 _set_L2CR(ppc_override_l2cr_value);

270 }

271 of_node_put(np);

272 }

273 }

274

275 if (ppc_override_l2cr)

276 printk(KERN_INFO "L2CR overridden (0x%x), "

277 "backside cache is %s\n",

278 ppc_override_l2cr_value,

279 (ppc_override_l2cr_value & 0x80000000)

280 ? "enabled" : "disabled");

281 }

282 #endif

283

284 static void __init pmac_setup_arch(void)

285 {

286 struct device_node *cpu, *ic;

287 const int *fp;

288 unsigned long pvr;

289

290 pvr = PVR_VER(mfspr(SPRN_PVR));

291

292 /* Set loops_per_jiffy to a half-way reasonable value,

293 for use until calibrate_delay gets called. */

294 loops_per_jiffy = 50000000 / HZ;

295 cpu = of_find_node_by_type(NULL, "cpu");

296 if (cpu != NULL) {

297 fp = of_get_property(cpu, "clock-frequency", NULL);

298 if (fp != NULL) {

299 if (pvr >= 0x30 && pvr < 0x80)

300 /* PPC970 etc. */

301 loops_per_jiffy = *fp / (3 * HZ);

302 else if (pvr == 4 || pvr >= 8)

303 /* 604, G3, G4 etc. */

304 loops_per_jiffy = *fp / HZ;

305 else

306 /* 601, 603, etc. */

307 loops_per_jiffy = *fp / (2 * HZ);

308 }

309 of_node_put(cpu);

310 }

311

312 /* See if newworld or oldworld */

313 ic = of_find_node_with_property(NULL, "interrupt-controller");

314 if (ic) {

315 pmac_newworld = 1;

316 of_node_put(ic);

317 }

318

319 /* Lookup PCI hosts */

320 pmac_pci_init();

321

322 #ifdef CONFIG_PPC32

323 ohare_init();

324 l2cr_init();

325 #endif /* CONFIG_PPC32 */

326

327 find_via_cuda();

328 find_via_pmu();

329 smu_init();

330

331 #if defined(CONFIG_NVRAM) || defined(CONFIG_NVRAM_MODULE) || \

332 defined(CONFIG_PPC64)

333 pmac_nvram_init();

334 #endif

335

336 #ifdef CONFIG_PPC32

337 #ifdef CONFIG_BLK_DEV_INITRD

338 if (initrd_start)

339 ROOT_DEV = Root_RAM0;

340 else

341 #endif

342 ROOT_DEV = DEFAULT_ROOT_DEVICE;

343 #endif

344

345 #ifdef CONFIG_SMP

346 /* Check for Core99 */

347 ic = of_find_node_by_name(NULL, "uni-n");

348 if (!ic)

349 ic = of_find_node_by_name(NULL, "u3");

350 if (!ic)

351 ic = of_find_node_by_name(NULL, "u4");

352 if (ic) {

353 of_node_put(ic);

354 smp_ops = &core99_smp_ops;

355 }

356 #ifdef CONFIG_PPC32

357 else {

358 /*

359 * We have to set bits in cpu_possible_map here since the

360 * secondary CPU(s) aren't in the device tree, and

361 * setup_per_cpu_areas only allocates per-cpu data for

362 * CPUs in the cpu_possible_map.

363 */

364 int cpu;

365

366 for (cpu = 1; cpu < 4 && cpu < NR_CPUS; ++cpu)

367 cpu_set(cpu, cpu_possible_map);

368 smp_ops = &psurge_smp_ops;

369 }

370 #endif

371 #endif /* CONFIG_SMP */

372

373 #ifdef CONFIG_ADB

374 if (strstr(cmd_line, "adb_sync")) {

375 extern int __adb_probe_sync;

376 __adb_probe_sync = 1;

377 }

378 #endif /* CONFIG_ADB */

379 }

380

381 #ifdef CONFIG_SCSI

382 void note_scsi_host(struct device_node *node, void *host)

383 {

384 }

385 EXPORT_SYMBOL(note_scsi_host);

386 #endif

387

388 static int initializing = 1;

389

390 static int pmac_late_init(void)

391 {

392 initializing = 0;

393 /* this is udbg (which is __init) and we can later use it during

394 * cpu hotplug (in smp_core99_kick_cpu) */

395 ppc_md.progress = NULL;

396 return 0;

397 }

398 machine_late_initcall(powermac, pmac_late_init);

399

400 /*

401 * This is __init_refok because we check for "initializing" before

402 * touching any of the __init sensitive things and "initializing"

403 * will be false after __init time. This can't be __init because it

404 * can be called whenever a disk is first accessed.

405 */

406 void __init_refok note_bootable_part(dev_t dev, int part, int goodness)

407 {

408 char *p;

409

410 if (!initializing)

411 return;

412 if ((goodness <= current_root_goodness) &&

413 ROOT_DEV != DEFAULT_ROOT_DEVICE)

414 return;

415 p = strstr(boot_command_line, "root=");

416 if (p != NULL && (p == boot_command_line || p[-1] == ' '))

417 return;

418

419 ROOT_DEV = dev + part;

420 current_root_goodness = goodness;

421 }

422

423 #ifdef CONFIG_ADB_CUDA

424 static void cuda_restart(void)

425 {

426 struct adb_request req;

427

428 cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_RESET_SYSTEM);

429 for (;;)

430 cuda_poll();

431 }

432

433 static void cuda_shutdown(void)

434 {

435 struct adb_request req;

436

437 cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN);

438 for (;;)

439 cuda_poll();

440 }

441

442 #else

443 #define cuda_restart()

444 #define cuda_shutdown()

445 #endif

446

447 #ifndef CONFIG_ADB_PMU

448 #define pmu_restart()

449 #define pmu_shutdown()

450 #endif

451

452 #ifndef CONFIG_PMAC_SMU

453 #define smu_restart()

454 #define smu_shutdown()

455 #endif

456

457 static void pmac_restart(char *cmd)

458 {

459 switch (sys_ctrler) {

460 case SYS_CTRLER_CUDA:

461 cuda_restart();

462 break;

463 case SYS_CTRLER_PMU:

464 pmu_restart();

465 break;

466 case SYS_CTRLER_SMU:

467 smu_restart();

468 break;

469 default: ;

470 }

471 }

472

473 static void pmac_power_off(void)

474 {

475 switch (sys_ctrler) {

476 case SYS_CTRLER_CUDA:

477 cuda_shutdown();

478 break;

479 case SYS_CTRLER_PMU:

480 pmu_shutdown();

481 break;

482 case SYS_CTRLER_SMU:

483 smu_shutdown();

484 break;

485 default: ;

486 }

487 }

488

489 static void

490 pmac_halt(void)

491 {

492 pmac_power_off();

493 }

494

495 /*

496 * Early initialization.

497 */

498 static void __init pmac_init_early(void)

499 {

500 /* Enable early btext debug if requested */

501 if (strstr(cmd_line, "btextdbg")) {

502 udbg_adb_init_early();

503 register_early_udbg_console();

504 }

505

506 /* Probe motherboard chipset */

507 pmac_feature_init();

508

509 /* Initialize debug stuff */

510 udbg_scc_init(!!strstr(cmd_line, "sccdbg"));

511 udbg_adb_init(!!strstr(cmd_line, "btextdbg"));

512

513 #ifdef CONFIG_PPC64

514 iommu_init_early_dart();

515 #endif

516 }

517

518 static int __init pmac_declare_of_platform_devices(void)

519 {

520 struct device_node *np;

521

522 if (machine_is(chrp))

523 return -1;

524

525 np = of_find_node_by_name(NULL, "valkyrie");

526 if (np)

527 of_platform_device_create(np, "valkyrie", NULL);

528 np = of_find_node_by_name(NULL, "platinum");

529 if (np)

530 of_platform_device_create(np, "platinum", NULL);

531 np = of_find_node_by_type(NULL, "smu");

532 if (np) {

533 of_platform_device_create(np, "smu", NULL);

534 of_node_put(np);

535 }

536

537 return 0;

538 }

539 machine_device_initcall(powermac, pmac_declare_of_platform_devices);

540

541 #ifdef CONFIG_SERIAL_PMACZILOG_CONSOLE

542 /*

543 * This is called very early, as part of console_init() (typically just after

544 * time_init()). This function is respondible for trying to find a good

545 * default console on serial ports. It tries to match the open firmware

546 * default output with one of the available serial console drivers.

547 */

548 static int __init check_pmac_serial_console(void)

549 {

550 struct device_node *prom_stdout = NULL;

551 int offset = 0;

552 const char *name;

553 #ifdef CONFIG_SERIAL_PMACZILOG_TTYS

554 char *devname = "ttyS";

555 #else

556 char *devname = "ttyPZ";

557 #endif

558

559 pr_debug(" -> check_pmac_serial_console()\n");

560

561 /* The user has requested a console so this is already set up. */

562 if (strstr(boot_command_line, "console=")) {

563 pr_debug(" console was specified !\n");

564 return -EBUSY;

565 }

566

567 if (!of_chosen) {

568 pr_debug(" of_chosen is NULL !\n");

569 return -ENODEV;

570 }

571

572 /* We are getting a weird phandle from OF ... */

573 /* ... So use the full path instead */

574 name = of_get_property(of_chosen, "linux,stdout-path", NULL);

575 if (name == NULL) {

576 pr_debug(" no linux,stdout-path !\n");

577 return -ENODEV;

578 }

579 prom_stdout = of_find_node_by_path(name);

580 if (!prom_stdout) {

581 pr_debug(" can't find stdout package %s !\n", name);

582 return -ENODEV;

583 }

584 pr_debug("stdout is %s\n", prom_stdout->full_name);

585

586 name = of_get_property(prom_stdout, "name", NULL);

587 if (!name) {

588 pr_debug(" stdout package has no name !\n");

589 goto not_found;

590 }

591

592 if (strcmp(name, "ch-a") == 0)

593 offset = 0;

594 else if (strcmp(name, "ch-b") == 0)

595 offset = 1;

596 else

597 goto not_found;

598 of_node_put(prom_stdout);

599

600 pr_debug("Found serial console at %s%d\n", devname, offset);

601

602 return add_preferred_console(devname, offset, NULL);

603

604 not_found:

605 pr_debug("No preferred console found !\n");

606 of_node_put(prom_stdout);

607 return -ENODEV;

608 }

609 console_initcall(check_pmac_serial_console);

610

611 #endif /* CONFIG_SERIAL_PMACZILOG_CONSOLE */

612

613 /*

614 * Called very early, MMU is off, device-tree isn't unflattened

615 */

616 static int __init pmac_probe(void)

617 {

618 unsigned long root = of_get_flat_dt_root();

619

620 if (!of_flat_dt_is_compatible(root, "Power Macintosh") &&

621 !of_flat_dt_is_compatible(root, "MacRISC"))

622 return 0;

623

624 #ifdef CONFIG_PPC64

625 /*

626 * On U3, the DART (iommu) must be allocated now since it

627 * has an impact on htab_initialize (due to the large page it

628 * occupies having to be broken up so the DART itself is not

629 * part of the cacheable linar mapping

630 */

631 alloc_dart_table();

632

633 hpte_init_native();

634 #endif

635

636 #ifdef CONFIG_PPC32

637 /* isa_io_base gets set in pmac_pci_init */

638 ISA_DMA_THRESHOLD = ~0L;

639 DMA_MODE_READ = 1;

640 DMA_MODE_WRITE = 2;

641 #endif /* CONFIG_PPC32 */

642

643 #ifdef CONFIG_PMAC_SMU

644 /*

645 * SMU based G5s need some memory below 2Gb, at least the current

646 * driver needs that. We have to allocate it now. We allocate 4k

647 * (1 small page) for now.

648 */

649 smu_cmdbuf_abs = lmb_alloc_base(4096, 4096, 0x80000000UL);

650 #endif /* CONFIG_PMAC_SMU */

651

652 return 1;

653 }

654

655 #ifdef CONFIG_PPC64

656 /* Move that to pci.c */

657 static int pmac_pci_probe_mode(struct pci_bus *bus)

658 {

659 struct device_node *node = bus->sysdata;

660

661 /* We need to use normal PCI probing for the AGP bus,

662 * since the device for the AGP bridge isn't in the tree.

663 * Same for the PCIe host on U4 and the HT host bridge.

664 */

665 if (bus->self == NULL && (of_device_is_compatible(node, "u3-agp") ||

666 of_device_is_compatible(node, "u4-pcie") ||

667 of_device_is_compatible(node, "u3-ht")))

668 return PCI_PROBE_NORMAL;

669 return PCI_PROBE_DEVTREE;

670 }

671

672 #ifdef CONFIG_HOTPLUG_CPU

673 /* access per cpu vars from generic smp.c */

674 DECLARE_PER_CPU(int, cpu_state);

675

676 static void pmac_cpu_die(void)

677 {

678 /*

679 * turn off as much as possible, we'll be

680 * kicked out as this will only be invoked

681 * on core99 platforms for now ...

682 */

683

684 printk(KERN_INFO "CPU#%d offline\n", smp_processor_id());

685 __get_cpu_var(cpu_state) = CPU_DEAD;

686 smp_wmb();

687

688 /*

689 * during the path that leads here preemption is disabled,

690 * reenable it now so that when coming up preempt count is

691 * zero correctly

692 */

693 preempt_enable();

694

695 /*

696 * hard-disable interrupts for the non-NAP case, the NAP code

697 * needs to re-enable interrupts (but soft-disables them)

698 */

699 hard_irq_disable();

700

701 while (1) {

702 /* let's not take timer interrupts too often ... */

703 set_dec(0x7fffffff);

704

705 /* should always be true at this point */

706 if (cpu_has_feature(CPU_FTR_CAN_NAP))

707 power4_cpu_offline_powersave();

708 else {

709 HMT_low();

710 HMT_very_low();

711 }

712 }

713 }

714 #endif /* CONFIG_HOTPLUG_CPU */

715

716 #endif /* CONFIG_PPC64 */

717

718 define_machine(powermac) {

719 .name = "PowerMac",

720 .probe = pmac_probe,

721 .setup_arch = pmac_setup_arch,

722 .init_early = pmac_init_early,

723 .show_cpuinfo = pmac_show_cpuinfo,

724 .init_IRQ = pmac_pic_init,

725 .get_irq = NULL, /* changed later */

726 .pci_irq_fixup = pmac_pci_irq_fixup,

727 .restart = pmac_restart,

728 .power_off = pmac_power_off,

729 .halt = pmac_halt,

730 .time_init = pmac_time_init,

731 .get_boot_time = pmac_get_boot_time,

732 .set_rtc_time = pmac_set_rtc_time,

733 .get_rtc_time = pmac_get_rtc_time,

734 .calibrate_decr = pmac_calibrate_decr,

735 .feature_call = pmac_do_feature_call,

736 .progress = udbg_progress,

737 #ifdef CONFIG_PPC64

738 .pci_probe_mode = pmac_pci_probe_mode,

739 .power_save = power4_idle,

740 .enable_pmcs = power4_enable_pmcs,

741 #ifdef CONFIG_KEXEC

742 .machine_kexec = default_machine_kexec,

743 .machine_kexec_prepare = default_machine_kexec_prepare,

744 .machine_crash_shutdown = default_machine_crash_shutdown,

745 #endif

746 #endif /* CONFIG_PPC64 */

747 #ifdef CONFIG_PPC32

748 .pcibios_enable_device_hook = pmac_pci_enable_device_hook,

749 .pcibios_after_init = pmac_pcibios_after_init,

750 .phys_mem_access_prot = pci_phys_mem_access_prot,

751 #endif

752 #if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64)

753 .cpu_die = pmac_cpu_die,

754 #endif

755 };