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[POWERPC] iseries: Make ItExtVpdPanel private to iSeries
[linux-2.6/verdex.git] / arch / powerpc / platforms / iseries / dt.c
blobaa582262aefd2a90e21e8cfa67bdf73a618ccd71
1 /*
2 * Copyright (C) 2005-2006 Michael Ellerman, IBM Corporation
3 * Copyright (C) 2000-2004, IBM Corporation
4 *
5 * Description:
6 * This file contains all the routines to build a flattened device
7 * tree for a legacy iSeries machine.
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 #undef DEBUG
16
17 #include <linux/types.h>
18 #include <linux/init.h>
19 #include <linux/pci.h>
20 #include <linux/pci_regs.h>
21 #include <linux/pci_ids.h>
22 #include <linux/threads.h>
23 #include <linux/bitops.h>
24 #include <linux/string.h>
25 #include <linux/kernel.h>
26 #include <linux/if_ether.h> /* ETH_ALEN */
27
28 #include <asm/machdep.h>
29 #include <asm/prom.h>
30 #include <asm/lppaca.h>
31 #include <asm/cputable.h>
32 #include <asm/abs_addr.h>
33 #include <asm/system.h>
34 #include <asm/iseries/hv_types.h>
35 #include <asm/iseries/hv_lp_config.h>
36 #include <asm/iseries/hv_call_xm.h>
37 #include <asm/udbg.h>
38
39 #include "processor_vpd.h"
40 #include "call_hpt.h"
41 #include "call_pci.h"
42 #include "pci.h"
43 #include "it_exp_vpd_panel.h"
44
45 #ifdef DEBUG
46 #define DBG(fmt...) udbg_printf(fmt)
47 #else
48 #define DBG(fmt...)
49 #endif
50
51 /*
52 * These are created by the linker script at the start and end
53 * of the section containing all the strings from this file.
54 */
55 extern char __dt_strings_start[];
56 extern char __dt_strings_end[];
57
58 struct iseries_flat_dt {
59 struct boot_param_header header;
60 u64 reserve_map[2];
61 };
62
63 static void * __initdata dt_data;
64
65 /*
66 * Putting these strings here keeps them out of the section
67 * that we rename to .dt_strings using objcopy and capture
68 * for the strings blob of the flattened device tree.
69 */
70 static char __initdata device_type_cpu[] = "cpu";
71 static char __initdata device_type_memory[] = "memory";
72 static char __initdata device_type_serial[] = "serial";
73 static char __initdata device_type_network[] = "network";
74 static char __initdata device_type_block[] = "block";
75 static char __initdata device_type_byte[] = "byte";
76 static char __initdata device_type_pci[] = "pci";
77 static char __initdata device_type_vdevice[] = "vdevice";
78 static char __initdata device_type_vscsi[] = "vscsi";
79
80
81 /* EBCDIC to ASCII conversion routines */
82
83 static unsigned char __init e2a(unsigned char x)
84 {
85 switch (x) {
86 case 0x81 ... 0x89:
87 return x - 0x81 + 'a';
88 case 0x91 ... 0x99:
89 return x - 0x91 + 'j';
90 case 0xA2 ... 0xA9:
91 return x - 0xA2 + 's';
92 case 0xC1 ... 0xC9:
93 return x - 0xC1 + 'A';
94 case 0xD1 ... 0xD9:
95 return x - 0xD1 + 'J';
96 case 0xE2 ... 0xE9:
97 return x - 0xE2 + 'S';
98 case 0xF0 ... 0xF9:
99 return x - 0xF0 + '0';
100 }
101 return ' ';
102 }
103
104 static unsigned char * __init strne2a(unsigned char *dest,
105 const unsigned char *src, size_t n)
106 {
107 int i;
108
109 n = strnlen(src, n);
110
111 for (i = 0; i < n; i++)
112 dest[i] = e2a(src[i]);
113
114 return dest;
115 }
116
117 static struct iseries_flat_dt * __init dt_init(void)
118 {
119 struct iseries_flat_dt *dt;
120 unsigned long str_len;
121
122 str_len = __dt_strings_end - __dt_strings_start;
123 dt = (struct iseries_flat_dt *)ALIGN(klimit, 8);
124 dt->header.off_mem_rsvmap =
125 offsetof(struct iseries_flat_dt, reserve_map);
126 dt->header.off_dt_strings = ALIGN(sizeof(*dt), 8);
127 dt->header.off_dt_struct = dt->header.off_dt_strings
128 + ALIGN(str_len, 8);
129 dt_data = (void *)((unsigned long)dt + dt->header.off_dt_struct);
130 dt->header.dt_strings_size = str_len;
131
132 /* There is no notion of hardware cpu id on iSeries */
133 dt->header.boot_cpuid_phys = smp_processor_id();
134
135 memcpy((char *)dt + dt->header.off_dt_strings, __dt_strings_start,
136 str_len);
137
138 dt->header.magic = OF_DT_HEADER;
139 dt->header.version = 0x10;
140 dt->header.last_comp_version = 0x10;
141
142 dt->reserve_map[0] = 0;
143 dt->reserve_map[1] = 0;
144
145 return dt;
146 }
147
148 static void __init dt_push_u32(struct iseries_flat_dt *dt, u32 value)
149 {
150 *((u32 *)dt_data) = value;
151 dt_data += sizeof(u32);
152 }
153
154 #ifdef notyet
155 static void __init dt_push_u64(struct iseries_flat_dt *dt, u64 value)
156 {
157 *((u64 *)dt_data) = value;
158 dt_data += sizeof(u64);
159 }
160 #endif
161
162 static void __init dt_push_bytes(struct iseries_flat_dt *dt, const char *data,
163 int len)
164 {
165 memcpy(dt_data, data, len);
166 dt_data += ALIGN(len, 4);
167 }
168
169 static void __init dt_start_node(struct iseries_flat_dt *dt, const char *name)
170 {
171 dt_push_u32(dt, OF_DT_BEGIN_NODE);
172 dt_push_bytes(dt, name, strlen(name) + 1);
173 }
174
175 #define dt_end_node(dt) dt_push_u32(dt, OF_DT_END_NODE)
176
177 static void __init dt_prop(struct iseries_flat_dt *dt, const char *name,
178 const void *data, int len)
179 {
180 unsigned long offset;
181
182 dt_push_u32(dt, OF_DT_PROP);
183
184 /* Length of the data */
185 dt_push_u32(dt, len);
186
187 offset = name - __dt_strings_start;
188
189 /* The offset of the properties name in the string blob. */
190 dt_push_u32(dt, (u32)offset);
191
192 /* The actual data. */
193 dt_push_bytes(dt, data, len);
194 }
195
196 static void __init dt_prop_str(struct iseries_flat_dt *dt, const char *name,
197 const char *data)
198 {
199 dt_prop(dt, name, data, strlen(data) + 1); /* + 1 for NULL */
200 }
201
202 static void __init dt_prop_u32(struct iseries_flat_dt *dt, const char *name,
203 u32 data)
204 {
205 dt_prop(dt, name, &data, sizeof(u32));
206 }
207
208 #ifdef notyet
209 static void __init dt_prop_u64(struct iseries_flat_dt *dt, const char *name,
210 u64 data)
211 {
212 dt_prop(dt, name, &data, sizeof(u64));
213 }
214 #endif
215
216 static void __init dt_prop_u64_list(struct iseries_flat_dt *dt,
217 const char *name, u64 *data, int n)
218 {
219 dt_prop(dt, name, data, sizeof(u64) * n);
220 }
221
222 static void __init dt_prop_u32_list(struct iseries_flat_dt *dt,
223 const char *name, u32 *data, int n)
224 {
225 dt_prop(dt, name, data, sizeof(u32) * n);
226 }
227
228 #ifdef notyet
229 static void __init dt_prop_empty(struct iseries_flat_dt *dt, const char *name)
230 {
231 dt_prop(dt, name, NULL, 0);
232 }
233 #endif
234
235 static void __init dt_cpus(struct iseries_flat_dt *dt)
236 {
237 unsigned char buf[32];
238 unsigned char *p;
239 unsigned int i, index;
240 struct IoHriProcessorVpd *d;
241 u32 pft_size[2];
242
243 /* yuck */
244 snprintf(buf, 32, "PowerPC,%s", cur_cpu_spec->cpu_name);
245 p = strchr(buf, ' ');
246 if (!p) p = buf + strlen(buf);
247
248 dt_start_node(dt, "cpus");
249 dt_prop_u32(dt, "#address-cells", 1);
250 dt_prop_u32(dt, "#size-cells", 0);
251
252 pft_size[0] = 0; /* NUMA CEC cookie, 0 for non NUMA */
253 pft_size[1] = __ilog2(HvCallHpt_getHptPages() * HW_PAGE_SIZE);
254
255 for (i = 0; i < NR_CPUS; i++) {
256 if (lppaca[i].dyn_proc_status >= 2)
257 continue;
258
259 snprintf(p, 32 - (p - buf), "@%d", i);
260 dt_start_node(dt, buf);
261
262 dt_prop_str(dt, "device_type", device_type_cpu);
263
264 index = lppaca[i].dyn_hv_phys_proc_index;
265 d = &xIoHriProcessorVpd[index];
266
267 dt_prop_u32(dt, "i-cache-size", d->xInstCacheSize * 1024);
268 dt_prop_u32(dt, "i-cache-line-size", d->xInstCacheOperandSize);
269
270 dt_prop_u32(dt, "d-cache-size", d->xDataL1CacheSizeKB * 1024);
271 dt_prop_u32(dt, "d-cache-line-size", d->xDataCacheOperandSize);
272
273 /* magic conversions to Hz copied from old code */
274 dt_prop_u32(dt, "clock-frequency",
275 ((1UL << 34) * 1000000) / d->xProcFreq);
276 dt_prop_u32(dt, "timebase-frequency",
277 ((1UL << 32) * 1000000) / d->xTimeBaseFreq);
278
279 dt_prop_u32(dt, "reg", i);
280
281 dt_prop_u32_list(dt, "ibm,pft-size", pft_size, 2);
282
283 dt_end_node(dt);
284 }
285
286 dt_end_node(dt);
287 }
288
289 static void __init dt_model(struct iseries_flat_dt *dt)
290 {
291 char buf[16] = "IBM,";
292
293 /* N.B. lparcfg.c knows about the "IBM," prefixes ... */
294 /* "IBM," + mfgId[2:3] + systemSerial[1:5] */
295 strne2a(buf + 4, xItExtVpdPanel.mfgID + 2, 2);
296 strne2a(buf + 6, xItExtVpdPanel.systemSerial + 1, 5);
297 buf[11] = '\0';
298 dt_prop_str(dt, "system-id", buf);
299
300 /* "IBM," + machineType[0:4] */
301 strne2a(buf + 4, xItExtVpdPanel.machineType, 4);
302 buf[8] = '\0';
303 dt_prop_str(dt, "model", buf);
304
305 dt_prop_str(dt, "compatible", "IBM,iSeries");
306 dt_prop_u32(dt, "ibm,partition-no", HvLpConfig_getLpIndex());
307 }
308
309 static void __init dt_do_vdevice(struct iseries_flat_dt *dt,
310 const char *name, u32 reg, int unit,
311 const char *type, const char *compat, int end)
312 {
313 char buf[32];
314
315 snprintf(buf, 32, "%s@%08x", name, reg + ((unit >= 0) ? unit : 0));
316 dt_start_node(dt, buf);
317 dt_prop_str(dt, "device_type", type);
318 if (compat)
319 dt_prop_str(dt, "compatible", compat);
320 dt_prop_u32(dt, "reg", reg + ((unit >= 0) ? unit : 0));
321 if (unit >= 0)
322 dt_prop_u32(dt, "linux,unit_address", unit);
323 if (end)
324 dt_end_node(dt);
325 }
326
327 static void __init dt_vdevices(struct iseries_flat_dt *dt)
328 {
329 u32 reg = 0;
330 HvLpIndexMap vlan_map;
331 int i;
332
333 dt_start_node(dt, "vdevice");
334 dt_prop_str(dt, "device_type", device_type_vdevice);
335 dt_prop_str(dt, "compatible", "IBM,iSeries-vdevice");
336 dt_prop_u32(dt, "#address-cells", 1);
337 dt_prop_u32(dt, "#size-cells", 0);
338
339 dt_do_vdevice(dt, "vty", reg, -1, device_type_serial, NULL, 1);
340 reg++;
341
342 dt_do_vdevice(dt, "v-scsi", reg, -1, device_type_vscsi,
343 "IBM,v-scsi", 1);
344 reg++;
345
346 vlan_map = HvLpConfig_getVirtualLanIndexMap();
347 for (i = 0; i < HVMAXARCHITECTEDVIRTUALLANS; i++) {
348 unsigned char mac_addr[ETH_ALEN];
349
350 if ((vlan_map & (0x8000 >> i)) == 0)
351 continue;
352 dt_do_vdevice(dt, "l-lan", reg, i, device_type_network,
353 "IBM,iSeries-l-lan", 0);
354 mac_addr[0] = 0x02;
355 mac_addr[1] = 0x01;
356 mac_addr[2] = 0xff;
357 mac_addr[3] = i;
358 mac_addr[4] = 0xff;
359 mac_addr[5] = HvLpConfig_getLpIndex_outline();
360 dt_prop(dt, "local-mac-address", (char *)mac_addr, ETH_ALEN);
361 dt_prop(dt, "mac-address", (char *)mac_addr, ETH_ALEN);
362 dt_prop_u32(dt, "max-frame-size", 9000);
363 dt_prop_u32(dt, "address-bits", 48);
364
365 dt_end_node(dt);
366 }
367 reg += HVMAXARCHITECTEDVIRTUALLANS;
368
369 for (i = 0; i < HVMAXARCHITECTEDVIRTUALDISKS; i++)
370 dt_do_vdevice(dt, "viodasd", reg, i, device_type_block,
371 "IBM,iSeries-viodasd", 1);
372 reg += HVMAXARCHITECTEDVIRTUALDISKS;
373
374 for (i = 0; i < HVMAXARCHITECTEDVIRTUALCDROMS; i++)
375 dt_do_vdevice(dt, "viocd", reg, i, device_type_block,
376 "IBM,iSeries-viocd", 1);
377 reg += HVMAXARCHITECTEDVIRTUALCDROMS;
378
379 for (i = 0; i < HVMAXARCHITECTEDVIRTUALTAPES; i++)
380 dt_do_vdevice(dt, "viotape", reg, i, device_type_byte,
381 "IBM,iSeries-viotape", 1);
382
383 dt_end_node(dt);
384 }
385
386 struct pci_class_name {
387 u16 code;
388 const char *name;
389 const char *type;
390 };
391
392 static struct pci_class_name __initdata pci_class_name[] = {
393 { PCI_CLASS_NETWORK_ETHERNET, "ethernet", device_type_network },
394 };
395
396 static struct pci_class_name * __init dt_find_pci_class_name(u16 class_code)
397 {
398 struct pci_class_name *cp;
399
400 for (cp = pci_class_name;
401 cp < &pci_class_name[ARRAY_SIZE(pci_class_name)]; cp++)
402 if (cp->code == class_code)
403 return cp;
404 return NULL;
405 }
406
407 /*
408 * This assumes that the node slot is always on the primary bus!
409 */
410 static void __init scan_bridge_slot(struct iseries_flat_dt *dt,
411 HvBusNumber bus, struct HvCallPci_BridgeInfo *bridge_info)
412 {
413 HvSubBusNumber sub_bus = bridge_info->subBusNumber;
414 u16 vendor_id;
415 u16 device_id;
416 u32 class_id;
417 int err;
418 char buf[32];
419 u32 reg[5];
420 int id_sel = ISERIES_GET_DEVICE_FROM_SUBBUS(sub_bus);
421 int function = ISERIES_GET_FUNCTION_FROM_SUBBUS(sub_bus);
422 HvAgentId eads_id_sel = ISERIES_PCI_AGENTID(id_sel, function);
423 u8 devfn;
424 struct pci_class_name *cp;
425
426 /*
427 * Connect all functions of any device found.
428 */
429 for (id_sel = 1; id_sel <= bridge_info->maxAgents; id_sel++) {
430 for (function = 0; function < 8; function++) {
431 HvAgentId agent_id = ISERIES_PCI_AGENTID(id_sel,
432 function);
433 err = HvCallXm_connectBusUnit(bus, sub_bus,
434 agent_id, 0);
435 if (err) {
436 if (err != 0x302)
437 DBG("connectBusUnit(%x, %x, %x) %x\n",
438 bus, sub_bus, agent_id, err);
439 continue;
440 }
441
442 err = HvCallPci_configLoad16(bus, sub_bus, agent_id,
443 PCI_VENDOR_ID, &vendor_id);
444 if (err) {
445 DBG("ReadVendor(%x, %x, %x) %x\n",
446 bus, sub_bus, agent_id, err);
447 continue;
448 }
449 err = HvCallPci_configLoad16(bus, sub_bus, agent_id,
450 PCI_DEVICE_ID, &device_id);
451 if (err) {
452 DBG("ReadDevice(%x, %x, %x) %x\n",
453 bus, sub_bus, agent_id, err);
454 continue;
455 }
456 err = HvCallPci_configLoad32(bus, sub_bus, agent_id,
457 PCI_CLASS_REVISION , &class_id);
458 if (err) {
459 DBG("ReadClass(%x, %x, %x) %x\n",
460 bus, sub_bus, agent_id, err);
461 continue;
462 }
463
464 devfn = PCI_DEVFN(ISERIES_ENCODE_DEVICE(eads_id_sel),
465 function);
466 cp = dt_find_pci_class_name(class_id >> 16);
467 if (cp && cp->name)
468 strncpy(buf, cp->name, sizeof(buf) - 1);
469 else
470 snprintf(buf, sizeof(buf), "pci%x,%x",
471 vendor_id, device_id);
472 buf[sizeof(buf) - 1] = '\0';
473 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
474 "@%x", PCI_SLOT(devfn));
475 buf[sizeof(buf) - 1] = '\0';
476 if (function != 0)
477 snprintf(buf + strlen(buf),
478 sizeof(buf) - strlen(buf),
479 ",%x", function);
480 dt_start_node(dt, buf);
481 reg[0] = (bus << 16) | (devfn << 8);
482 reg[1] = 0;
483 reg[2] = 0;
484 reg[3] = 0;
485 reg[4] = 0;
486 dt_prop_u32_list(dt, "reg", reg, 5);
487 if (cp && (cp->type || cp->name))
488 dt_prop_str(dt, "device_type",
489 cp->type ? cp->type : cp->name);
490 dt_prop_u32(dt, "vendor-id", vendor_id);
491 dt_prop_u32(dt, "device-id", device_id);
492 dt_prop_u32(dt, "class-code", class_id >> 8);
493 dt_prop_u32(dt, "revision-id", class_id & 0xff);
494 dt_prop_u32(dt, "linux,subbus", sub_bus);
495 dt_prop_u32(dt, "linux,agent-id", agent_id);
496 dt_prop_u32(dt, "linux,logical-slot-number",
497 bridge_info->logicalSlotNumber);
498 dt_end_node(dt);
499
500 }
501 }
502 }
503
504 static void __init scan_bridge(struct iseries_flat_dt *dt, HvBusNumber bus,
505 HvSubBusNumber sub_bus, int id_sel)
506 {
507 struct HvCallPci_BridgeInfo bridge_info;
508 HvAgentId agent_id;
509 int function;
510 int ret;
511
512 /* Note: hvSubBus and irq is always be 0 at this level! */
513 for (function = 0; function < 8; ++function) {
514 agent_id = ISERIES_PCI_AGENTID(id_sel, function);
515 ret = HvCallXm_connectBusUnit(bus, sub_bus, agent_id, 0);
516 if (ret != 0) {
517 if (ret != 0xb)
518 DBG("connectBusUnit(%x, %x, %x) %x\n",
519 bus, sub_bus, agent_id, ret);
520 continue;
521 }
522 DBG("found device at bus %d idsel %d func %d (AgentId %x)\n",
523 bus, id_sel, function, agent_id);
524 ret = HvCallPci_getBusUnitInfo(bus, sub_bus, agent_id,
525 iseries_hv_addr(&bridge_info),
526 sizeof(struct HvCallPci_BridgeInfo));
527 if (ret != 0)
528 continue;
529 DBG("bridge info: type %x subbus %x "
530 "maxAgents %x maxsubbus %x logslot %x\n",
531 bridge_info.busUnitInfo.deviceType,
532 bridge_info.subBusNumber,
533 bridge_info.maxAgents,
534 bridge_info.maxSubBusNumber,
535 bridge_info.logicalSlotNumber);
536 if (bridge_info.busUnitInfo.deviceType ==
537 HvCallPci_BridgeDevice)
538 scan_bridge_slot(dt, bus, &bridge_info);
539 else
540 DBG("PCI: Invalid Bridge Configuration(0x%02X)",
541 bridge_info.busUnitInfo.deviceType);
542 }
543 }
544
545 static void __init scan_phb(struct iseries_flat_dt *dt, HvBusNumber bus)
546 {
547 struct HvCallPci_DeviceInfo dev_info;
548 const HvSubBusNumber sub_bus = 0; /* EADs is always 0. */
549 int err;
550 int id_sel;
551 const int max_agents = 8;
552
553 /*
554 * Probe for EADs Bridges
555 */
556 for (id_sel = 1; id_sel < max_agents; ++id_sel) {
557 err = HvCallPci_getDeviceInfo(bus, sub_bus, id_sel,
558 iseries_hv_addr(&dev_info),
559 sizeof(struct HvCallPci_DeviceInfo));
560 if (err) {
561 if (err != 0x302)
562 DBG("getDeviceInfo(%x, %x, %x) %x\n",
563 bus, sub_bus, id_sel, err);
564 continue;
565 }
566 if (dev_info.deviceType != HvCallPci_NodeDevice) {
567 DBG("PCI: Invalid System Configuration"
568 "(0x%02X) for bus 0x%02x id 0x%02x.\n",
569 dev_info.deviceType, bus, id_sel);
570 continue;
571 }
572 scan_bridge(dt, bus, sub_bus, id_sel);
573 }
574 }
575
576 static void __init dt_pci_devices(struct iseries_flat_dt *dt)
577 {
578 HvBusNumber bus;
579 char buf[32];
580 u32 buses[2];
581 int phb_num = 0;
582
583 /* Check all possible buses. */
584 for (bus = 0; bus < 256; bus++) {
585 int err = HvCallXm_testBus(bus);
586
587 if (err) {
588 /*
589 * Check for Unexpected Return code, a clue that
590 * something has gone wrong.
591 */
592 if (err != 0x0301)
593 DBG("Unexpected Return on Probe(0x%02X) "
594 "0x%04X\n", bus, err);
595 continue;
596 }
597 DBG("bus %d appears to exist\n", bus);
598 snprintf(buf, 32, "pci@%d", phb_num);
599 dt_start_node(dt, buf);
600 dt_prop_str(dt, "device_type", device_type_pci);
601 dt_prop_str(dt, "compatible", "IBM,iSeries-Logical-PHB");
602 dt_prop_u32(dt, "#address-cells", 3);
603 dt_prop_u32(dt, "#size-cells", 2);
604 buses[0] = buses[1] = bus;
605 dt_prop_u32_list(dt, "bus-range", buses, 2);
606 scan_phb(dt, bus);
607 dt_end_node(dt);
608 phb_num++;
609 }
610 }
611
612 static void dt_finish(struct iseries_flat_dt *dt)
613 {
614 dt_push_u32(dt, OF_DT_END);
615 dt->header.totalsize = (unsigned long)dt_data - (unsigned long)dt;
616 klimit = ALIGN((unsigned long)dt_data, 8);
617 }
618
619 void * __init build_flat_dt(unsigned long phys_mem_size)
620 {
621 struct iseries_flat_dt *iseries_dt;
622 u64 tmp[2];
623
624 iseries_dt = dt_init();
625
626 dt_start_node(iseries_dt, "");
627
628 dt_prop_u32(iseries_dt, "#address-cells", 2);
629 dt_prop_u32(iseries_dt, "#size-cells", 2);
630 dt_model(iseries_dt);
631
632 /* /memory */
633 dt_start_node(iseries_dt, "memory@0");
634 dt_prop_str(iseries_dt, "device_type", device_type_memory);
635 tmp[0] = 0;
636 tmp[1] = phys_mem_size;
637 dt_prop_u64_list(iseries_dt, "reg", tmp, 2);
638 dt_end_node(iseries_dt);
639
640 /* /chosen */
641 dt_start_node(iseries_dt, "chosen");
642 dt_prop_str(iseries_dt, "bootargs", cmd_line);
643 dt_end_node(iseries_dt);
644
645 dt_cpus(iseries_dt);
646
647 dt_vdevices(iseries_dt);
648 dt_pci_devices(iseries_dt);
649
650 dt_end_node(iseries_dt);
651
652 dt_finish(iseries_dt);
653
654 return iseries_dt;
655 }
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