1 /*
2  *  linux/arch/alpha/kernel/core_wildfire.c
3  *
4  *  Wildfire support.
5  *
6  *  Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
7  */
8 
9 #define __EXTERN_INLINE inline
10 #include <asm/io.h>
11 #include <asm/core_wildfire.h>
12 #undef __EXTERN_INLINE
13 
14 #include <linux/types.h>
15 #include <linux/pci.h>
16 #include <linux/sched.h>
17 #include <linux/init.h>
18 
19 #include <asm/ptrace.h>
20 #include <asm/smp.h>
21 
22 #include "proto.h"
23 #include "pci_impl.h"
24 
25 #define DEBUG_CONFIG 0
26 #define DEBUG_DUMP_REGS 0
27 #define DEBUG_DUMP_CONFIG 1
28 
29 #if DEBUG_CONFIG
30 # define DBG_CFG(args)	printk args
31 #else
32 # define DBG_CFG(args)
33 #endif
34 
35 #if DEBUG_DUMP_REGS
36 static void wildfire_dump_pci_regs(int qbbno, int hoseno);
37 static void wildfire_dump_pca_regs(int qbbno, int pcano);
38 static void wildfire_dump_qsa_regs(int qbbno);
39 static void wildfire_dump_qsd_regs(int qbbno);
40 static void wildfire_dump_iop_regs(int qbbno);
41 static void wildfire_dump_gp_regs(int qbbno);
42 #endif
43 #if DEBUG_DUMP_CONFIG
44 static void wildfire_dump_hardware_config(void);
45 #endif
46 
47 unsigned char wildfire_hard_qbb_map[WILDFIRE_MAX_QBB];
48 unsigned char wildfire_soft_qbb_map[WILDFIRE_MAX_QBB];
49 #define QBB_MAP_EMPTY	0xff
50 
51 unsigned long wildfire_hard_qbb_mask;
52 unsigned long wildfire_soft_qbb_mask;
53 unsigned long wildfire_gp_mask;
54 unsigned long wildfire_hs_mask;
55 unsigned long wildfire_iop_mask;
56 unsigned long wildfire_ior_mask;
57 unsigned long wildfire_pca_mask;
58 unsigned long wildfire_cpu_mask;
59 unsigned long wildfire_mem_mask;
60 
61 void __init
wildfire_init_hose(int qbbno,int hoseno)62 wildfire_init_hose(int qbbno, int hoseno)
63 {
64 	struct pci_controller *hose;
65 	wildfire_pci *pci;
66 
67 	hose = alloc_pci_controller();
68 	hose->io_space = alloc_resource();
69 	hose->mem_space = alloc_resource();
70 
71         /* This is for userland consumption. */
72         hose->sparse_mem_base = 0;
73         hose->sparse_io_base  = 0;
74         hose->dense_mem_base  = WILDFIRE_MEM(qbbno, hoseno);
75         hose->dense_io_base   = WILDFIRE_IO(qbbno, hoseno);
76 
77 	hose->config_space_base = WILDFIRE_CONF(qbbno, hoseno);
78 	hose->index = (qbbno << 3) + hoseno;
79 
80 	hose->io_space->start = WILDFIRE_IO(qbbno, hoseno) - WILDFIRE_IO_BIAS;
81 	hose->io_space->end = hose->io_space->start + WILDFIRE_IO_SPACE - 1;
82 	hose->io_space->name = pci_io_names[hoseno];
83 	hose->io_space->flags = IORESOURCE_IO;
84 
85 	hose->mem_space->start = WILDFIRE_MEM(qbbno, hoseno)-WILDFIRE_MEM_BIAS;
86 	hose->mem_space->end = hose->mem_space->start + 0xffffffff;
87 	hose->mem_space->name = pci_mem_names[hoseno];
88 	hose->mem_space->flags = IORESOURCE_MEM;
89 
90 	if (request_resource(&ioport_resource, hose->io_space) < 0)
91 		printk(KERN_ERR "Failed to request IO on qbb %d hose %d\n",
92 		       qbbno, hoseno);
93 	if (request_resource(&iomem_resource, hose->mem_space) < 0)
94 		printk(KERN_ERR "Failed to request MEM on qbb %d hose %d\n",
95 		       qbbno, hoseno);
96 
97 #if DEBUG_DUMP_REGS
98 	wildfire_dump_pci_regs(qbbno, hoseno);
99 #endif
100 
101         /*
102          * Set up the PCI to main memory translation windows.
103          *
104          * Note: Window 3 is scatter-gather only
105          *
106          * Window 0 is scatter-gather 8MB at 8MB (for isa)
107 	 * Window 1 is direct access 1GB at 1GB
108 	 * Window 2 is direct access 1GB at 2GB
109          * Window 3 is scatter-gather 128MB at 3GB
110          * ??? We ought to scale window 3 memory.
111          *
112          */
113         hose->sg_isa = iommu_arena_new(hose, 0x00800000, 0x00800000, 0);
114         hose->sg_pci = iommu_arena_new(hose, 0xc0000000, 0x08000000, 0);
115 
116 	pci = WILDFIRE_pci(qbbno, hoseno);
117 
118 	pci->pci_window[0].wbase.csr = hose->sg_isa->dma_base | 3;
119 	pci->pci_window[0].wmask.csr = (hose->sg_isa->size - 1) & 0xfff00000;
120 	pci->pci_window[0].tbase.csr = virt_to_phys(hose->sg_isa->ptes);
121 
122 	pci->pci_window[1].wbase.csr = 0x40000000 | 1;
123 	pci->pci_window[1].wmask.csr = (0x40000000 -1) & 0xfff00000;
124 	pci->pci_window[1].tbase.csr = 0;
125 
126 	pci->pci_window[2].wbase.csr = 0x80000000 | 1;
127 	pci->pci_window[2].wmask.csr = (0x40000000 -1) & 0xfff00000;
128 	pci->pci_window[2].tbase.csr = 0x40000000;
129 
130 	pci->pci_window[3].wbase.csr = hose->sg_pci->dma_base | 3;
131 	pci->pci_window[3].wmask.csr = (hose->sg_pci->size - 1) & 0xfff00000;
132 	pci->pci_window[3].tbase.csr = virt_to_phys(hose->sg_pci->ptes);
133 
134 	wildfire_pci_tbi(hose, 0, 0); /* Flush TLB at the end. */
135 }
136 
137 void __init
wildfire_init_pca(int qbbno,int pcano)138 wildfire_init_pca(int qbbno, int pcano)
139 {
140 
141 	/* Test for PCA existence first. */
142 	if (!WILDFIRE_PCA_EXISTS(qbbno, pcano))
143 	    return;
144 
145 #if DEBUG_DUMP_REGS
146 	wildfire_dump_pca_regs(qbbno, pcano);
147 #endif
148 
149 	/* Do both hoses of the PCA. */
150 	wildfire_init_hose(qbbno, (pcano << 1) + 0);
151 	wildfire_init_hose(qbbno, (pcano << 1) + 1);
152 }
153 
154 void __init
wildfire_init_qbb(int qbbno)155 wildfire_init_qbb(int qbbno)
156 {
157 	int pcano;
158 
159 	/* Test for QBB existence first. */
160 	if (!WILDFIRE_QBB_EXISTS(qbbno))
161 		return;
162 
163 #if DEBUG_DUMP_REGS
164 	wildfire_dump_qsa_regs(qbbno);
165 	wildfire_dump_qsd_regs(qbbno);
166 	wildfire_dump_iop_regs(qbbno);
167 	wildfire_dump_gp_regs(qbbno);
168 #endif
169 
170 	/* Init all PCAs here. */
171 	for (pcano = 0; pcano < WILDFIRE_PCA_PER_QBB; pcano++) {
172 		wildfire_init_pca(qbbno, pcano);
173 	}
174 }
175 
176 void __init
wildfire_hardware_probe(void)177 wildfire_hardware_probe(void)
178 {
179 	unsigned long temp;
180 	unsigned int hard_qbb, soft_qbb;
181 	wildfire_fast_qsd *fast = WILDFIRE_fast_qsd();
182 	wildfire_qsd *qsd;
183 	wildfire_qsa *qsa;
184 	wildfire_iop *iop;
185 	wildfire_gp *gp;
186 	wildfire_ne *ne;
187 	wildfire_fe *fe;
188 	int i;
189 
190 	temp = fast->qsd_whami.csr;
191 #if 0
192 	printk(KERN_ERR "fast QSD_WHAMI at base %p is 0x%lx\n", fast, temp);
193 #endif
194 
195 	hard_qbb = (temp >> 8) & 7;
196 	soft_qbb = (temp >> 4) & 7;
197 
198 	/* Init the HW configuration variables. */
199 	wildfire_hard_qbb_mask = (1 << hard_qbb);
200 	wildfire_soft_qbb_mask = (1 << soft_qbb);
201 
202 	wildfire_gp_mask = 0;
203 	wildfire_hs_mask = 0;
204 	wildfire_iop_mask = 0;
205 	wildfire_ior_mask = 0;
206 	wildfire_pca_mask = 0;
207 
208 	wildfire_cpu_mask = 0;
209 	wildfire_mem_mask = 0;
210 
211 	memset(wildfire_hard_qbb_map, QBB_MAP_EMPTY, WILDFIRE_MAX_QBB);
212 	memset(wildfire_soft_qbb_map, QBB_MAP_EMPTY, WILDFIRE_MAX_QBB);
213 
214 	/* First, determine which QBBs are present. */
215 	qsa = WILDFIRE_qsa(soft_qbb);
216 
217 	temp = qsa->qsa_qbb_id.csr;
218 #if 0
219 	printk(KERN_ERR "QSA_QBB_ID at base %p is 0x%lx\n", qsa, temp);
220 #endif
221 
222 	if (temp & 0x40) /* Is there an HS? */
223 		wildfire_hs_mask = 1;
224 
225 	if (temp & 0x20) { /* Is there a GP? */
226 		gp = WILDFIRE_gp(soft_qbb);
227 		temp = 0;
228 		for (i = 0; i < 4; i++) {
229 			temp |= gp->gpa_qbb_map[i].csr << (i * 8);
230 #if 0
231 			printk(KERN_ERR "GPA_QBB_MAP[%d] at base %p is 0x%lx\n",
232 			       i, gp, temp);
233 #endif
234 		}
235 
236 		for (hard_qbb = 0; hard_qbb < WILDFIRE_MAX_QBB; hard_qbb++) {
237 			if (temp & 8) { /* Is there a QBB? */
238 				soft_qbb = temp & 7;
239 				wildfire_hard_qbb_mask |= (1 << hard_qbb);
240 				wildfire_soft_qbb_mask |= (1 << soft_qbb);
241 			}
242 			temp >>= 4;
243 		}
244 		wildfire_gp_mask = wildfire_soft_qbb_mask;
245         }
246 
247 	/* Next determine each QBBs resources. */
248 	for (soft_qbb = 0; soft_qbb < WILDFIRE_MAX_QBB; soft_qbb++) {
249 	    if (WILDFIRE_QBB_EXISTS(soft_qbb)) {
250 	        qsd = WILDFIRE_qsd(soft_qbb);
251 		temp = qsd->qsd_whami.csr;
252 #if 0
253 	printk(KERN_ERR "QSD_WHAMI at base %p is 0x%lx\n", qsd, temp);
254 #endif
255 		hard_qbb = (temp >> 8) & 7;
256 		wildfire_hard_qbb_map[hard_qbb] = soft_qbb;
257 		wildfire_soft_qbb_map[soft_qbb] = hard_qbb;
258 
259 		qsa = WILDFIRE_qsa(soft_qbb);
260 		temp = qsa->qsa_qbb_pop[0].csr;
261 #if 0
262 	printk(KERN_ERR "QSA_QBB_POP_0 at base %p is 0x%lx\n", qsa, temp);
263 #endif
264 		wildfire_cpu_mask |= ((temp >> 0) & 0xf) << (soft_qbb << 2);
265 		wildfire_mem_mask |= ((temp >> 4) & 0xf) << (soft_qbb << 2);
266 
267 		temp = qsa->qsa_qbb_pop[1].csr;
268 #if 0
269 	printk(KERN_ERR "QSA_QBB_POP_1 at base %p is 0x%lx\n", qsa, temp);
270 #endif
271 		wildfire_iop_mask |= (1 << soft_qbb);
272 		wildfire_ior_mask |= ((temp >> 4) & 0xf) << (soft_qbb << 2);
273 
274 		temp = qsa->qsa_qbb_id.csr;
275 #if 0
276 	printk(KERN_ERR "QSA_QBB_ID at %p is 0x%lx\n", qsa, temp);
277 #endif
278 		if (temp & 0x20)
279 		    wildfire_gp_mask |= (1 << soft_qbb);
280 
281 		/* Probe for PCA existence here. */
282 		for (i = 0; i < WILDFIRE_PCA_PER_QBB; i++) {
283 		    iop = WILDFIRE_iop(soft_qbb);
284 		    ne = WILDFIRE_ne(soft_qbb, i);
285 		    fe = WILDFIRE_fe(soft_qbb, i);
286 
287 		    if ((iop->iop_hose[i].init.csr & 1) == 1 &&
288 			((ne->ne_what_am_i.csr & 0xf00000300UL) == 0x100000300UL) &&
289 			((fe->fe_what_am_i.csr & 0xf00000300UL) == 0x100000200UL))
290 		    {
291 		        wildfire_pca_mask |= 1 << ((soft_qbb << 2) + i);
292 		    }
293 		}
294 
295 	    }
296 	}
297 #if DEBUG_DUMP_CONFIG
298 	wildfire_dump_hardware_config();
299 #endif
300 }
301 
302 void __init
wildfire_init_arch(void)303 wildfire_init_arch(void)
304 {
305 	int qbbno;
306 
307 	/* With multiple PCI buses, we play with I/O as physical addrs.  */
308 	ioport_resource.end = ~0UL;
309 
310 
311 	/* Probe the hardware for info about configuration. */
312 	wildfire_hardware_probe();
313 
314 	/* Now init all the found QBBs. */
315 	for (qbbno = 0; qbbno < WILDFIRE_MAX_QBB; qbbno++) {
316 		wildfire_init_qbb(qbbno);
317 	}
318 
319 	/* Normal direct PCI DMA mapping. */
320 	__direct_map_base = 0x40000000UL;
321 	__direct_map_size = 0x80000000UL;
322 }
323 
324 void
wildfire_machine_check(unsigned long vector,unsigned long la_ptr)325 wildfire_machine_check(unsigned long vector, unsigned long la_ptr)
326 {
327 	mb();
328 	mb();  /* magic */
329 	draina();
330 	/* FIXME: clear pci errors */
331 	wrmces(0x7);
332 	mb();
333 
334 	process_mcheck_info(vector, la_ptr, "WILDFIRE",
335 			    mcheck_expected(smp_processor_id()));
336 }
337 
338 void
wildfire_kill_arch(int mode)339 wildfire_kill_arch(int mode)
340 {
341 }
342 
343 void
wildfire_pci_tbi(struct pci_controller * hose,dma_addr_t start,dma_addr_t end)344 wildfire_pci_tbi(struct pci_controller *hose, dma_addr_t start, dma_addr_t end)
345 {
346 	int qbbno = hose->index >> 3;
347 	int hoseno = hose->index & 7;
348 	wildfire_pci *pci = WILDFIRE_pci(qbbno, hoseno);
349 
350 	mb();
351 	pci->pci_flush_tlb.csr; /* reading does the trick */
352 }
353 
354 static int
mk_conf_addr(struct pci_bus * pbus,unsigned int device_fn,int where,unsigned long * pci_addr,unsigned char * type1)355 mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where,
356 	     unsigned long *pci_addr, unsigned char *type1)
357 {
358 	struct pci_controller *hose = pbus->sysdata;
359 	unsigned long addr;
360 	u8 bus = pbus->number;
361 
362 	DBG_CFG(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x, "
363 		 "pci_addr=0x%p, type1=0x%p)\n",
364 		 bus, device_fn, where, pci_addr, type1));
365 
366 	if (!pbus->parent) /* No parent means peer PCI bus. */
367 		bus = 0;
368 	*type1 = (bus != 0);
369 
370 	addr = (bus << 16) | (device_fn << 8) | where;
371 	addr |= hose->config_space_base;
372 
373 	*pci_addr = addr;
374 	DBG_CFG(("mk_conf_addr: returning pci_addr 0x%lx\n", addr));
375 	return 0;
376 }
377 
378 static int
wildfire_read_config(struct pci_bus * bus,unsigned int devfn,int where,int size,u32 * value)379 wildfire_read_config(struct pci_bus *bus, unsigned int devfn, int where,
380 		     int size, u32 *value)
381 {
382 	unsigned long addr;
383 	unsigned char type1;
384 
385 	if (mk_conf_addr(bus, devfn, where, &addr, &type1))
386 		return PCIBIOS_DEVICE_NOT_FOUND;
387 
388 	switch (size) {
389 	case 1:
390 		*value = __kernel_ldbu(*(vucp)addr);
391 		break;
392 	case 2:
393 		*value = __kernel_ldwu(*(vusp)addr);
394 		break;
395 	case 4:
396 		*value = *(vuip)addr;
397 		break;
398 	}
399 
400 	return PCIBIOS_SUCCESSFUL;
401 }
402 
403 static int
wildfire_write_config(struct pci_bus * bus,unsigned int devfn,int where,int size,u32 value)404 wildfire_write_config(struct pci_bus *bus, unsigned int devfn, int where,
405 		      int size, u32 value)
406 {
407 	unsigned long addr;
408 	unsigned char type1;
409 
410 	if (mk_conf_addr(bus, devfn, where, &addr, &type1))
411 		return PCIBIOS_DEVICE_NOT_FOUND;
412 
413 	switch (size) {
414 	case 1:
415 		__kernel_stb(value, *(vucp)addr);
416 		mb();
417 		__kernel_ldbu(*(vucp)addr);
418 		break;
419 	case 2:
420 		__kernel_stw(value, *(vusp)addr);
421 		mb();
422 		__kernel_ldwu(*(vusp)addr);
423 		break;
424 	case 4:
425 		*(vuip)addr = value;
426 		mb();
427 		*(vuip)addr;
428 		break;
429 	}
430 
431 	return PCIBIOS_SUCCESSFUL;
432 }
433 
434 struct pci_ops wildfire_pci_ops =
435 {
436 	.read =		wildfire_read_config,
437 	.write =	wildfire_write_config,
438 };
439 
440 
441 /*
442  * NUMA Support
443  */
wildfire_pa_to_nid(unsigned long pa)444 int wildfire_pa_to_nid(unsigned long pa)
445 {
446 	return pa >> 36;
447 }
448 
wildfire_cpuid_to_nid(int cpuid)449 int wildfire_cpuid_to_nid(int cpuid)
450 {
451 	/* assume 4 CPUs per node */
452 	return cpuid >> 2;
453 }
454 
wildfire_node_mem_start(int nid)455 unsigned long wildfire_node_mem_start(int nid)
456 {
457 	/* 64GB per node */
458 	return (unsigned long)nid * (64UL * 1024 * 1024 * 1024);
459 }
460 
wildfire_node_mem_size(int nid)461 unsigned long wildfire_node_mem_size(int nid)
462 {
463 	/* 64GB per node */
464 	return 64UL * 1024 * 1024 * 1024;
465 }
466 
467 #if DEBUG_DUMP_REGS
468 
469 static void __init
wildfire_dump_pci_regs(int qbbno,int hoseno)470 wildfire_dump_pci_regs(int qbbno, int hoseno)
471 {
472 	wildfire_pci *pci = WILDFIRE_pci(qbbno, hoseno);
473 	int i;
474 
475 	printk(KERN_ERR "PCI registers for QBB %d hose %d (%p)\n",
476 	       qbbno, hoseno, pci);
477 
478 	printk(KERN_ERR " PCI_IO_ADDR_EXT: 0x%16lx\n",
479 	       pci->pci_io_addr_ext.csr);
480 	printk(KERN_ERR " PCI_CTRL:        0x%16lx\n", pci->pci_ctrl.csr);
481 	printk(KERN_ERR " PCI_ERR_SUM:     0x%16lx\n", pci->pci_err_sum.csr);
482 	printk(KERN_ERR " PCI_ERR_ADDR:    0x%16lx\n", pci->pci_err_addr.csr);
483 	printk(KERN_ERR " PCI_STALL_CNT:   0x%16lx\n", pci->pci_stall_cnt.csr);
484 	printk(KERN_ERR " PCI_PEND_INT:    0x%16lx\n", pci->pci_pend_int.csr);
485 	printk(KERN_ERR " PCI_SENT_INT:    0x%16lx\n", pci->pci_sent_int.csr);
486 
487 	printk(KERN_ERR " DMA window registers for QBB %d hose %d (%p)\n",
488 	       qbbno, hoseno, pci);
489 	for (i = 0; i < 4; i++) {
490 		printk(KERN_ERR "  window %d: 0x%16lx 0x%16lx 0x%16lx\n", i,
491 		       pci->pci_window[i].wbase.csr,
492 		       pci->pci_window[i].wmask.csr,
493 		       pci->pci_window[i].tbase.csr);
494 	}
495 	printk(KERN_ERR "\n");
496 }
497 
498 static void __init
wildfire_dump_pca_regs(int qbbno,int pcano)499 wildfire_dump_pca_regs(int qbbno, int pcano)
500 {
501 	wildfire_pca *pca = WILDFIRE_pca(qbbno, pcano);
502 	int i;
503 
504 	printk(KERN_ERR "PCA registers for QBB %d PCA %d (%p)\n",
505 	       qbbno, pcano, pca);
506 
507 	printk(KERN_ERR " PCA_WHAT_AM_I: 0x%16lx\n", pca->pca_what_am_i.csr);
508 	printk(KERN_ERR " PCA_ERR_SUM:   0x%16lx\n", pca->pca_err_sum.csr);
509 	printk(KERN_ERR " PCA_PEND_INT:  0x%16lx\n", pca->pca_pend_int.csr);
510 	printk(KERN_ERR " PCA_SENT_INT:  0x%16lx\n", pca->pca_sent_int.csr);
511 	printk(KERN_ERR " PCA_STDIO_EL:  0x%16lx\n",
512 	       pca->pca_stdio_edge_level.csr);
513 
514 	printk(KERN_ERR " PCA target registers for QBB %d PCA %d (%p)\n",
515 	       qbbno, pcano, pca);
516 	for (i = 0; i < 4; i++) {
517 	  printk(KERN_ERR "  target %d: 0x%16lx 0x%16lx\n", i,
518 		       pca->pca_int[i].target.csr,
519 		       pca->pca_int[i].enable.csr);
520 	}
521 
522 	printk(KERN_ERR "\n");
523 }
524 
525 static void __init
wildfire_dump_qsa_regs(int qbbno)526 wildfire_dump_qsa_regs(int qbbno)
527 {
528 	wildfire_qsa *qsa = WILDFIRE_qsa(qbbno);
529 	int i;
530 
531 	printk(KERN_ERR "QSA registers for QBB %d (%p)\n", qbbno, qsa);
532 
533 	printk(KERN_ERR " QSA_QBB_ID:      0x%16lx\n", qsa->qsa_qbb_id.csr);
534 	printk(KERN_ERR " QSA_PORT_ENA:    0x%16lx\n", qsa->qsa_port_ena.csr);
535 	printk(KERN_ERR " QSA_REF_INT:     0x%16lx\n", qsa->qsa_ref_int.csr);
536 
537 	for (i = 0; i < 5; i++)
538 		printk(KERN_ERR " QSA_CONFIG_%d:    0x%16lx\n",
539 		       i, qsa->qsa_config[i].csr);
540 
541 	for (i = 0; i < 2; i++)
542 		printk(KERN_ERR " QSA_QBB_POP_%d:   0x%16lx\n",
543 		       i, qsa->qsa_qbb_pop[0].csr);
544 
545 	printk(KERN_ERR "\n");
546 }
547 
548 static void __init
wildfire_dump_qsd_regs(int qbbno)549 wildfire_dump_qsd_regs(int qbbno)
550 {
551 	wildfire_qsd *qsd = WILDFIRE_qsd(qbbno);
552 
553 	printk(KERN_ERR "QSD registers for QBB %d (%p)\n", qbbno, qsd);
554 
555 	printk(KERN_ERR " QSD_WHAMI:         0x%16lx\n", qsd->qsd_whami.csr);
556 	printk(KERN_ERR " QSD_REV:           0x%16lx\n", qsd->qsd_rev.csr);
557 	printk(KERN_ERR " QSD_PORT_PRESENT:  0x%16lx\n",
558 	       qsd->qsd_port_present.csr);
559 	printk(KERN_ERR " QSD_PORT_ACTUVE:   0x%16lx\n",
560 	       qsd->qsd_port_active.csr);
561 	printk(KERN_ERR " QSD_FAULT_ENA:     0x%16lx\n",
562 	       qsd->qsd_fault_ena.csr);
563 	printk(KERN_ERR " QSD_CPU_INT_ENA:   0x%16lx\n",
564 	       qsd->qsd_cpu_int_ena.csr);
565 	printk(KERN_ERR " QSD_MEM_CONFIG:    0x%16lx\n",
566 	       qsd->qsd_mem_config.csr);
567 	printk(KERN_ERR " QSD_ERR_SUM:       0x%16lx\n",
568 	       qsd->qsd_err_sum.csr);
569 
570 	printk(KERN_ERR "\n");
571 }
572 
573 static void __init
wildfire_dump_iop_regs(int qbbno)574 wildfire_dump_iop_regs(int qbbno)
575 {
576 	wildfire_iop *iop = WILDFIRE_iop(qbbno);
577 	int i;
578 
579 	printk(KERN_ERR "IOP registers for QBB %d (%p)\n", qbbno, iop);
580 
581 	printk(KERN_ERR " IOA_CONFIG:          0x%16lx\n", iop->ioa_config.csr);
582 	printk(KERN_ERR " IOD_CONFIG:          0x%16lx\n", iop->iod_config.csr);
583 	printk(KERN_ERR " IOP_SWITCH_CREDITS:  0x%16lx\n",
584 	       iop->iop_switch_credits.csr);
585 	printk(KERN_ERR " IOP_HOSE_CREDITS:    0x%16lx\n",
586 	       iop->iop_hose_credits.csr);
587 
588 	for (i = 0; i < 4; i++)
589 		printk(KERN_ERR " IOP_HOSE_%d_INIT:     0x%16lx\n",
590 		       i, iop->iop_hose[i].init.csr);
591 	for (i = 0; i < 4; i++)
592 		printk(KERN_ERR " IOP_DEV_INT_TARGET_%d: 0x%16lx\n",
593 		       i, iop->iop_dev_int[i].target.csr);
594 
595 	printk(KERN_ERR "\n");
596 }
597 
598 static void __init
wildfire_dump_gp_regs(int qbbno)599 wildfire_dump_gp_regs(int qbbno)
600 {
601 	wildfire_gp *gp = WILDFIRE_gp(qbbno);
602 	int i;
603 
604 	printk(KERN_ERR "GP registers for QBB %d (%p)\n", qbbno, gp);
605 	for (i = 0; i < 4; i++)
606 		printk(KERN_ERR " GPA_QBB_MAP_%d:     0x%16lx\n",
607 		       i, gp->gpa_qbb_map[i].csr);
608 
609 	printk(KERN_ERR " GPA_MEM_POP_MAP:   0x%16lx\n",
610 	       gp->gpa_mem_pop_map.csr);
611 	printk(KERN_ERR " GPA_SCRATCH:       0x%16lx\n", gp->gpa_scratch.csr);
612 	printk(KERN_ERR " GPA_DIAG:          0x%16lx\n", gp->gpa_diag.csr);
613 	printk(KERN_ERR " GPA_CONFIG_0:      0x%16lx\n", gp->gpa_config_0.csr);
614 	printk(KERN_ERR " GPA_INIT_ID:       0x%16lx\n", gp->gpa_init_id.csr);
615 	printk(KERN_ERR " GPA_CONFIG_2:      0x%16lx\n", gp->gpa_config_2.csr);
616 
617 	printk(KERN_ERR "\n");
618 }
619 #endif /* DUMP_REGS */
620 
621 #if DEBUG_DUMP_CONFIG
622 static void __init
wildfire_dump_hardware_config(void)623 wildfire_dump_hardware_config(void)
624 {
625 	int i;
626 
627 	printk(KERN_ERR "Probed Hardware Configuration\n");
628 
629 	printk(KERN_ERR " hard_qbb_mask:  0x%16lx\n", wildfire_hard_qbb_mask);
630 	printk(KERN_ERR " soft_qbb_mask:  0x%16lx\n", wildfire_soft_qbb_mask);
631 
632 	printk(KERN_ERR " gp_mask:        0x%16lx\n", wildfire_gp_mask);
633 	printk(KERN_ERR " hs_mask:        0x%16lx\n", wildfire_hs_mask);
634 	printk(KERN_ERR " iop_mask:       0x%16lx\n", wildfire_iop_mask);
635 	printk(KERN_ERR " ior_mask:       0x%16lx\n", wildfire_ior_mask);
636 	printk(KERN_ERR " pca_mask:       0x%16lx\n", wildfire_pca_mask);
637 
638 	printk(KERN_ERR " cpu_mask:       0x%16lx\n", wildfire_cpu_mask);
639 	printk(KERN_ERR " mem_mask:       0x%16lx\n", wildfire_mem_mask);
640 
641 	printk(" hard_qbb_map: ");
642 	for (i = 0; i < WILDFIRE_MAX_QBB; i++)
643 	    if (wildfire_hard_qbb_map[i] == QBB_MAP_EMPTY)
644 		printk("--- ");
645 	    else
646 		printk("%3d ", wildfire_hard_qbb_map[i]);
647 	printk("\n");
648 
649 	printk(" soft_qbb_map: ");
650 	for (i = 0; i < WILDFIRE_MAX_QBB; i++)
651 	    if (wildfire_soft_qbb_map[i] == QBB_MAP_EMPTY)
652 		printk("--- ");
653 	    else
654 		printk("%3d ", wildfire_soft_qbb_map[i]);
655 	printk("\n");
656 }
657 #endif /* DUMP_CONFIG */
658