• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  *  64-bit pSeries and RS/6000 setup code.
3  *
4  *  Copyright (C) 1995  Linus Torvalds
5  *  Adapted from 'alpha' version by Gary Thomas
6  *  Modified by Cort Dougan (cort@cs.nmt.edu)
7  *  Modified by PPC64 Team, IBM Corp
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * as published by the Free Software Foundation; either version
12  * 2 of the License, or (at your option) any later version.
13  */
14 
15 /*
16  * bootup setup stuff..
17  */
18 
19 #include <linux/cpu.h>
20 #include <linux/errno.h>
21 #include <linux/sched.h>
22 #include <linux/kernel.h>
23 #include <linux/mm.h>
24 #include <linux/stddef.h>
25 #include <linux/unistd.h>
26 #include <linux/user.h>
27 #include <linux/tty.h>
28 #include <linux/major.h>
29 #include <linux/interrupt.h>
30 #include <linux/reboot.h>
31 #include <linux/init.h>
32 #include <linux/ioport.h>
33 #include <linux/console.h>
34 #include <linux/pci.h>
35 #include <linux/utsname.h>
36 #include <linux/adb.h>
37 #include <linux/export.h>
38 #include <linux/delay.h>
39 #include <linux/irq.h>
40 #include <linux/seq_file.h>
41 #include <linux/root_dev.h>
42 #include <linux/cpuidle.h>
43 
44 #include <asm/mmu.h>
45 #include <asm/processor.h>
46 #include <asm/io.h>
47 #include <asm/pgtable.h>
48 #include <asm/prom.h>
49 #include <asm/rtas.h>
50 #include <asm/pci-bridge.h>
51 #include <asm/iommu.h>
52 #include <asm/dma.h>
53 #include <asm/machdep.h>
54 #include <asm/irq.h>
55 #include <asm/time.h>
56 #include <asm/nvram.h>
57 #include <asm/pmc.h>
58 #include <asm/mpic.h>
59 #include <asm/xics.h>
60 #include <asm/ppc-pci.h>
61 #include <asm/i8259.h>
62 #include <asm/udbg.h>
63 #include <asm/smp.h>
64 #include <asm/firmware.h>
65 #include <asm/eeh.h>
66 #include <asm/pSeries_reconfig.h>
67 
68 #include "plpar_wrappers.h"
69 #include "pseries.h"
70 
71 int CMO_PrPSP = -1;
72 int CMO_SecPSP = -1;
73 unsigned long CMO_PageSize = (ASM_CONST(1) << IOMMU_PAGE_SHIFT);
74 EXPORT_SYMBOL(CMO_PageSize);
75 
76 int fwnmi_active;  /* TRUE if an FWNMI handler is present */
77 
78 static struct device_node *pSeries_mpic_node;
79 
pSeries_show_cpuinfo(struct seq_file * m)80 static void pSeries_show_cpuinfo(struct seq_file *m)
81 {
82 	struct device_node *root;
83 	const char *model = "";
84 
85 	root = of_find_node_by_path("/");
86 	if (root)
87 		model = of_get_property(root, "model", NULL);
88 	seq_printf(m, "machine\t\t: CHRP %s\n", model);
89 	of_node_put(root);
90 }
91 
92 /* Initialize firmware assisted non-maskable interrupts if
93  * the firmware supports this feature.
94  */
fwnmi_init(void)95 static void __init fwnmi_init(void)
96 {
97 	unsigned long system_reset_addr, machine_check_addr;
98 
99 	int ibm_nmi_register = rtas_token("ibm,nmi-register");
100 	if (ibm_nmi_register == RTAS_UNKNOWN_SERVICE)
101 		return;
102 
103 	/* If the kernel's not linked at zero we point the firmware at low
104 	 * addresses anyway, and use a trampoline to get to the real code. */
105 	system_reset_addr  = __pa(system_reset_fwnmi) - PHYSICAL_START;
106 	machine_check_addr = __pa(machine_check_fwnmi) - PHYSICAL_START;
107 
108 	if (0 == rtas_call(ibm_nmi_register, 2, 1, NULL, system_reset_addr,
109 				machine_check_addr))
110 		fwnmi_active = 1;
111 }
112 
pseries_8259_cascade(unsigned int irq,struct irq_desc * desc)113 static void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc)
114 {
115 	struct irq_chip *chip = irq_desc_get_chip(desc);
116 	unsigned int cascade_irq = i8259_irq();
117 
118 	if (cascade_irq != NO_IRQ)
119 		generic_handle_irq(cascade_irq);
120 
121 	chip->irq_eoi(&desc->irq_data);
122 }
123 
pseries_setup_i8259_cascade(void)124 static void __init pseries_setup_i8259_cascade(void)
125 {
126 	struct device_node *np, *old, *found = NULL;
127 	unsigned int cascade;
128 	const u32 *addrp;
129 	unsigned long intack = 0;
130 	int naddr;
131 
132 	for_each_node_by_type(np, "interrupt-controller") {
133 		if (of_device_is_compatible(np, "chrp,iic")) {
134 			found = np;
135 			break;
136 		}
137 	}
138 
139 	if (found == NULL) {
140 		printk(KERN_DEBUG "pic: no ISA interrupt controller\n");
141 		return;
142 	}
143 
144 	cascade = irq_of_parse_and_map(found, 0);
145 	if (cascade == NO_IRQ) {
146 		printk(KERN_ERR "pic: failed to map cascade interrupt");
147 		return;
148 	}
149 	pr_debug("pic: cascade mapped to irq %d\n", cascade);
150 
151 	for (old = of_node_get(found); old != NULL ; old = np) {
152 		np = of_get_parent(old);
153 		of_node_put(old);
154 		if (np == NULL)
155 			break;
156 		if (strcmp(np->name, "pci") != 0)
157 			continue;
158 		addrp = of_get_property(np, "8259-interrupt-acknowledge", NULL);
159 		if (addrp == NULL)
160 			continue;
161 		naddr = of_n_addr_cells(np);
162 		intack = addrp[naddr-1];
163 		if (naddr > 1)
164 			intack |= ((unsigned long)addrp[naddr-2]) << 32;
165 	}
166 	if (intack)
167 		printk(KERN_DEBUG "pic: PCI 8259 intack at 0x%016lx\n", intack);
168 	i8259_init(found, intack);
169 	of_node_put(found);
170 	irq_set_chained_handler(cascade, pseries_8259_cascade);
171 }
172 
pseries_mpic_init_IRQ(void)173 static void __init pseries_mpic_init_IRQ(void)
174 {
175 	struct device_node *np;
176 	const unsigned int *opprop;
177 	unsigned long openpic_addr = 0;
178 	int naddr, n, i, opplen;
179 	struct mpic *mpic;
180 
181 	np = of_find_node_by_path("/");
182 	naddr = of_n_addr_cells(np);
183 	opprop = of_get_property(np, "platform-open-pic", &opplen);
184 	if (opprop != 0) {
185 		openpic_addr = of_read_number(opprop, naddr);
186 		printk(KERN_DEBUG "OpenPIC addr: %lx\n", openpic_addr);
187 	}
188 	of_node_put(np);
189 
190 	BUG_ON(openpic_addr == 0);
191 
192 	/* Setup the openpic driver */
193 	mpic = mpic_alloc(pSeries_mpic_node, openpic_addr,
194 			MPIC_NO_RESET, 16, 0, " MPIC     ");
195 	BUG_ON(mpic == NULL);
196 
197 	/* Add ISUs */
198 	opplen /= sizeof(u32);
199 	for (n = 0, i = naddr; i < opplen; i += naddr, n++) {
200 		unsigned long isuaddr = of_read_number(opprop + i, naddr);
201 		mpic_assign_isu(mpic, n, isuaddr);
202 	}
203 
204 	/* Setup top-level get_irq */
205 	ppc_md.get_irq = mpic_get_irq;
206 
207 	/* All ISUs are setup, complete initialization */
208 	mpic_init(mpic);
209 
210 	/* Look for cascade */
211 	pseries_setup_i8259_cascade();
212 }
213 
pseries_xics_init_IRQ(void)214 static void __init pseries_xics_init_IRQ(void)
215 {
216 	xics_init();
217 	pseries_setup_i8259_cascade();
218 }
219 
pseries_lpar_enable_pmcs(void)220 static void pseries_lpar_enable_pmcs(void)
221 {
222 	unsigned long set, reset;
223 
224 	set = 1UL << 63;
225 	reset = 0;
226 	plpar_hcall_norets(H_PERFMON, set, reset);
227 }
228 
pseries_discover_pic(void)229 static void __init pseries_discover_pic(void)
230 {
231 	struct device_node *np;
232 	const char *typep;
233 
234 	for (np = NULL; (np = of_find_node_by_name(np,
235 						   "interrupt-controller"));) {
236 		typep = of_get_property(np, "compatible", NULL);
237 		if (strstr(typep, "open-pic")) {
238 			pSeries_mpic_node = of_node_get(np);
239 			ppc_md.init_IRQ       = pseries_mpic_init_IRQ;
240 			setup_kexec_cpu_down_mpic();
241 			smp_init_pseries_mpic();
242 			return;
243 		} else if (strstr(typep, "ppc-xicp")) {
244 			ppc_md.init_IRQ       = pseries_xics_init_IRQ;
245 			setup_kexec_cpu_down_xics();
246 			smp_init_pseries_xics();
247 			return;
248 		}
249 	}
250 	printk(KERN_ERR "pSeries_discover_pic: failed to recognize"
251 	       " interrupt-controller\n");
252 }
253 
pci_dn_reconfig_notifier(struct notifier_block * nb,unsigned long action,void * node)254 static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node)
255 {
256 	struct device_node *np = node;
257 	struct pci_dn *pci = NULL;
258 	int err = NOTIFY_OK;
259 
260 	switch (action) {
261 	case PSERIES_RECONFIG_ADD:
262 		pci = np->parent->data;
263 		if (pci) {
264 			update_dn_pci_info(np, pci->phb);
265 
266 			/* Create EEH device for the OF node */
267 			eeh_dev_init(np, pci->phb);
268 		}
269 		break;
270 	default:
271 		err = NOTIFY_DONE;
272 		break;
273 	}
274 	return err;
275 }
276 
277 static struct notifier_block pci_dn_reconfig_nb = {
278 	.notifier_call = pci_dn_reconfig_notifier,
279 };
280 
281 struct kmem_cache *dtl_cache;
282 
283 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
284 /*
285  * Allocate space for the dispatch trace log for all possible cpus
286  * and register the buffers with the hypervisor.  This is used for
287  * computing time stolen by the hypervisor.
288  */
alloc_dispatch_logs(void)289 static int alloc_dispatch_logs(void)
290 {
291 	int cpu, ret;
292 	struct paca_struct *pp;
293 	struct dtl_entry *dtl;
294 
295 	if (!firmware_has_feature(FW_FEATURE_SPLPAR))
296 		return 0;
297 
298 	if (!dtl_cache)
299 		return 0;
300 
301 	for_each_possible_cpu(cpu) {
302 		pp = &paca[cpu];
303 		dtl = kmem_cache_alloc(dtl_cache, GFP_KERNEL);
304 		if (!dtl) {
305 			pr_warn("Failed to allocate dispatch trace log for cpu %d\n",
306 				cpu);
307 			pr_warn("Stolen time statistics will be unreliable\n");
308 			break;
309 		}
310 
311 		pp->dtl_ridx = 0;
312 		pp->dispatch_log = dtl;
313 		pp->dispatch_log_end = dtl + N_DISPATCH_LOG;
314 		pp->dtl_curr = dtl;
315 	}
316 
317 	/* Register the DTL for the current (boot) cpu */
318 	dtl = get_paca()->dispatch_log;
319 	get_paca()->dtl_ridx = 0;
320 	get_paca()->dtl_curr = dtl;
321 	get_paca()->lppaca_ptr->dtl_idx = 0;
322 
323 	/* hypervisor reads buffer length from this field */
324 	dtl->enqueue_to_dispatch_time = DISPATCH_LOG_BYTES;
325 	ret = register_dtl(hard_smp_processor_id(), __pa(dtl));
326 	if (ret)
327 		pr_err("WARNING: DTL registration of cpu %d (hw %d) failed "
328 		       "with %d\n", smp_processor_id(),
329 		       hard_smp_processor_id(), ret);
330 	get_paca()->lppaca_ptr->dtl_enable_mask = 2;
331 
332 	return 0;
333 }
334 #else /* !CONFIG_VIRT_CPU_ACCOUNTING */
alloc_dispatch_logs(void)335 static inline int alloc_dispatch_logs(void)
336 {
337 	return 0;
338 }
339 #endif /* CONFIG_VIRT_CPU_ACCOUNTING */
340 
alloc_dispatch_log_kmem_cache(void)341 static int alloc_dispatch_log_kmem_cache(void)
342 {
343 	dtl_cache = kmem_cache_create("dtl", DISPATCH_LOG_BYTES,
344 						DISPATCH_LOG_BYTES, 0, NULL);
345 	if (!dtl_cache) {
346 		pr_warn("Failed to create dispatch trace log buffer cache\n");
347 		pr_warn("Stolen time statistics will be unreliable\n");
348 		return 0;
349 	}
350 
351 	return alloc_dispatch_logs();
352 }
353 early_initcall(alloc_dispatch_log_kmem_cache);
354 
pSeries_idle(void)355 static void pSeries_idle(void)
356 {
357 	/* This would call on the cpuidle framework, and the back-end pseries
358 	 * driver to  go to idle states
359 	 */
360 	if (cpuidle_idle_call()) {
361 		/* On error, execute default handler
362 		 * to go into low thread priority and possibly
363 		 * low power mode.
364 		 */
365 		HMT_low();
366 		HMT_very_low();
367 	}
368 }
369 
pSeries_setup_arch(void)370 static void __init pSeries_setup_arch(void)
371 {
372 	panic_timeout = 10;
373 
374 	/* Discover PIC type and setup ppc_md accordingly */
375 	pseries_discover_pic();
376 
377 	/* openpic global configuration register (64-bit format). */
378 	/* openpic Interrupt Source Unit pointer (64-bit format). */
379 	/* python0 facility area (mmio) (64-bit format) REAL address. */
380 
381 	/* init to some ~sane value until calibrate_delay() runs */
382 	loops_per_jiffy = 50000000;
383 
384 	fwnmi_init();
385 
386 	/* By default, only probe PCI (can be overriden by rtas_pci) */
387 	pci_add_flags(PCI_PROBE_ONLY);
388 
389 	/* Find and initialize PCI host bridges */
390 	init_pci_config_tokens();
391 	eeh_pseries_init();
392 	find_and_init_phbs();
393 	pSeries_reconfig_notifier_register(&pci_dn_reconfig_nb);
394 	eeh_init();
395 
396 	pSeries_nvram_init();
397 
398 	if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
399 		vpa_init(boot_cpuid);
400 		ppc_md.power_save = pSeries_idle;
401 	}
402 
403 	if (firmware_has_feature(FW_FEATURE_LPAR))
404 		ppc_md.enable_pmcs = pseries_lpar_enable_pmcs;
405 	else
406 		ppc_md.enable_pmcs = power4_enable_pmcs;
407 }
408 
pSeries_init_panel(void)409 static int __init pSeries_init_panel(void)
410 {
411 	/* Manually leave the kernel version on the panel. */
412 	ppc_md.progress("Linux ppc64\n", 0);
413 	ppc_md.progress(init_utsname()->version, 0);
414 
415 	return 0;
416 }
417 machine_arch_initcall(pseries, pSeries_init_panel);
418 
pseries_set_dabr(unsigned long dabr)419 static int pseries_set_dabr(unsigned long dabr)
420 {
421 	return plpar_hcall_norets(H_SET_DABR, dabr);
422 }
423 
pseries_set_xdabr(unsigned long dabr)424 static int pseries_set_xdabr(unsigned long dabr)
425 {
426 	/* We want to catch accesses from kernel and userspace */
427 	return plpar_hcall_norets(H_SET_XDABR, dabr,
428 			H_DABRX_KERNEL | H_DABRX_USER);
429 }
430 
431 #define CMO_CHARACTERISTICS_TOKEN 44
432 #define CMO_MAXLENGTH 1026
433 
pSeries_coalesce_init(void)434 void pSeries_coalesce_init(void)
435 {
436 	struct hvcall_mpp_x_data mpp_x_data;
437 
438 	if (firmware_has_feature(FW_FEATURE_CMO) && !h_get_mpp_x(&mpp_x_data))
439 		powerpc_firmware_features |= FW_FEATURE_XCMO;
440 	else
441 		powerpc_firmware_features &= ~FW_FEATURE_XCMO;
442 }
443 
444 /**
445  * fw_cmo_feature_init - FW_FEATURE_CMO is not stored in ibm,hypertas-functions,
446  * handle that here. (Stolen from parse_system_parameter_string)
447  */
pSeries_cmo_feature_init(void)448 void pSeries_cmo_feature_init(void)
449 {
450 	char *ptr, *key, *value, *end;
451 	int call_status;
452 	int page_order = IOMMU_PAGE_SHIFT;
453 
454 	pr_debug(" -> fw_cmo_feature_init()\n");
455 	spin_lock(&rtas_data_buf_lock);
456 	memset(rtas_data_buf, 0, RTAS_DATA_BUF_SIZE);
457 	call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1,
458 				NULL,
459 				CMO_CHARACTERISTICS_TOKEN,
460 				__pa(rtas_data_buf),
461 				RTAS_DATA_BUF_SIZE);
462 
463 	if (call_status != 0) {
464 		spin_unlock(&rtas_data_buf_lock);
465 		pr_debug("CMO not available\n");
466 		pr_debug(" <- fw_cmo_feature_init()\n");
467 		return;
468 	}
469 
470 	end = rtas_data_buf + CMO_MAXLENGTH - 2;
471 	ptr = rtas_data_buf + 2;	/* step over strlen value */
472 	key = value = ptr;
473 
474 	while (*ptr && (ptr <= end)) {
475 		/* Separate the key and value by replacing '=' with '\0' and
476 		 * point the value at the string after the '='
477 		 */
478 		if (ptr[0] == '=') {
479 			ptr[0] = '\0';
480 			value = ptr + 1;
481 		} else if (ptr[0] == '\0' || ptr[0] == ',') {
482 			/* Terminate the string containing the key/value pair */
483 			ptr[0] = '\0';
484 
485 			if (key == value) {
486 				pr_debug("Malformed key/value pair\n");
487 				/* Never found a '=', end processing */
488 				break;
489 			}
490 
491 			if (0 == strcmp(key, "CMOPageSize"))
492 				page_order = simple_strtol(value, NULL, 10);
493 			else if (0 == strcmp(key, "PrPSP"))
494 				CMO_PrPSP = simple_strtol(value, NULL, 10);
495 			else if (0 == strcmp(key, "SecPSP"))
496 				CMO_SecPSP = simple_strtol(value, NULL, 10);
497 			value = key = ptr + 1;
498 		}
499 		ptr++;
500 	}
501 
502 	/* Page size is returned as the power of 2 of the page size,
503 	 * convert to the page size in bytes before returning
504 	 */
505 	CMO_PageSize = 1 << page_order;
506 	pr_debug("CMO_PageSize = %lu\n", CMO_PageSize);
507 
508 	if (CMO_PrPSP != -1 || CMO_SecPSP != -1) {
509 		pr_info("CMO enabled\n");
510 		pr_debug("CMO enabled, PrPSP=%d, SecPSP=%d\n", CMO_PrPSP,
511 		         CMO_SecPSP);
512 		powerpc_firmware_features |= FW_FEATURE_CMO;
513 		pSeries_coalesce_init();
514 	} else
515 		pr_debug("CMO not enabled, PrPSP=%d, SecPSP=%d\n", CMO_PrPSP,
516 		         CMO_SecPSP);
517 	spin_unlock(&rtas_data_buf_lock);
518 	pr_debug(" <- fw_cmo_feature_init()\n");
519 }
520 
521 /*
522  * Early initialization.  Relocation is on but do not reference unbolted pages
523  */
pSeries_init_early(void)524 static void __init pSeries_init_early(void)
525 {
526 	pr_debug(" -> pSeries_init_early()\n");
527 
528 #ifdef CONFIG_HVC_CONSOLE
529 	if (firmware_has_feature(FW_FEATURE_LPAR))
530 		hvc_vio_init_early();
531 #endif
532 	if (firmware_has_feature(FW_FEATURE_DABR))
533 		ppc_md.set_dabr = pseries_set_dabr;
534 	else if (firmware_has_feature(FW_FEATURE_XDABR))
535 		ppc_md.set_dabr = pseries_set_xdabr;
536 
537 	pSeries_cmo_feature_init();
538 	iommu_init_early_pSeries();
539 
540 	pr_debug(" <- pSeries_init_early()\n");
541 }
542 
543 /*
544  * Called very early, MMU is off, device-tree isn't unflattened
545  */
546 
pSeries_probe_hypertas(unsigned long node,const char * uname,int depth,void * data)547 static int __init pSeries_probe_hypertas(unsigned long node,
548 					 const char *uname, int depth,
549 					 void *data)
550 {
551 	const char *hypertas;
552 	unsigned long len;
553 
554 	if (depth != 1 ||
555 	    (strcmp(uname, "rtas") != 0 && strcmp(uname, "rtas@0") != 0))
556 		return 0;
557 
558 	hypertas = of_get_flat_dt_prop(node, "ibm,hypertas-functions", &len);
559 	if (!hypertas)
560 		return 1;
561 
562 	powerpc_firmware_features |= FW_FEATURE_LPAR;
563 	fw_feature_init(hypertas, len);
564 
565 	return 1;
566 }
567 
pSeries_probe(void)568 static int __init pSeries_probe(void)
569 {
570 	unsigned long root = of_get_flat_dt_root();
571  	char *dtype = of_get_flat_dt_prop(root, "device_type", NULL);
572 
573  	if (dtype == NULL)
574  		return 0;
575  	if (strcmp(dtype, "chrp"))
576 		return 0;
577 
578 	/* Cell blades firmware claims to be chrp while it's not. Until this
579 	 * is fixed, we need to avoid those here.
580 	 */
581 	if (of_flat_dt_is_compatible(root, "IBM,CPBW-1.0") ||
582 	    of_flat_dt_is_compatible(root, "IBM,CBEA"))
583 		return 0;
584 
585 	pr_debug("pSeries detected, looking for LPAR capability...\n");
586 
587 	/* Now try to figure out if we are running on LPAR */
588 	of_scan_flat_dt(pSeries_probe_hypertas, NULL);
589 
590 	if (firmware_has_feature(FW_FEATURE_LPAR))
591 		hpte_init_lpar();
592 	else
593 		hpte_init_native();
594 
595 	pr_debug("Machine is%s LPAR !\n",
596 	         (powerpc_firmware_features & FW_FEATURE_LPAR) ? "" : " not");
597 
598 	return 1;
599 }
600 
pSeries_pci_probe_mode(struct pci_bus * bus)601 static int pSeries_pci_probe_mode(struct pci_bus *bus)
602 {
603 	if (firmware_has_feature(FW_FEATURE_LPAR))
604 		return PCI_PROBE_DEVTREE;
605 	return PCI_PROBE_NORMAL;
606 }
607 
608 /**
609  * pSeries_power_off - tell firmware about how to power off the system.
610  *
611  * This function calls either the power-off rtas token in normal cases
612  * or the ibm,power-off-ups token (if present & requested) in case of
613  * a power failure. If power-off token is used, power on will only be
614  * possible with power button press. If ibm,power-off-ups token is used
615  * it will allow auto poweron after power is restored.
616  */
pSeries_power_off(void)617 static void pSeries_power_off(void)
618 {
619 	int rc;
620 	int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups");
621 
622 	if (rtas_flash_term_hook)
623 		rtas_flash_term_hook(SYS_POWER_OFF);
624 
625 	if (rtas_poweron_auto == 0 ||
626 		rtas_poweroff_ups_token == RTAS_UNKNOWN_SERVICE) {
627 		rc = rtas_call(rtas_token("power-off"), 2, 1, NULL, -1, -1);
628 		printk(KERN_INFO "RTAS power-off returned %d\n", rc);
629 	} else {
630 		rc = rtas_call(rtas_poweroff_ups_token, 0, 1, NULL);
631 		printk(KERN_INFO "RTAS ibm,power-off-ups returned %d\n", rc);
632 	}
633 	for (;;);
634 }
635 
636 #ifndef CONFIG_PCI
pSeries_final_fixup(void)637 void pSeries_final_fixup(void) { }
638 #endif
639 
define_machine(pseries)640 define_machine(pseries) {
641 	.name			= "pSeries",
642 	.probe			= pSeries_probe,
643 	.setup_arch		= pSeries_setup_arch,
644 	.init_early		= pSeries_init_early,
645 	.show_cpuinfo		= pSeries_show_cpuinfo,
646 	.log_error		= pSeries_log_error,
647 	.pcibios_fixup		= pSeries_final_fixup,
648 	.pci_probe_mode		= pSeries_pci_probe_mode,
649 	.restart		= rtas_restart,
650 	.power_off		= pSeries_power_off,
651 	.halt			= rtas_halt,
652 	.panic			= rtas_os_term,
653 	.get_boot_time		= rtas_get_boot_time,
654 	.get_rtc_time		= rtas_get_rtc_time,
655 	.set_rtc_time		= rtas_set_rtc_time,
656 	.calibrate_decr		= generic_calibrate_decr,
657 	.progress		= rtas_progress,
658 	.system_reset_exception = pSeries_system_reset_exception,
659 	.machine_check_exception = pSeries_machine_check_exception,
660 };
661