xref: /netbsd-src/sys/arch/evbarm/marvell/marvell_machdep.c (revision 82ad575716605df31379cf04a2f3efbc97b8a6f5)
1 /*	$NetBSD: marvell_machdep.c,v 1.19 2012/10/22 15:43:32 matt Exp $ */
2 /*
3  * Copyright (c) 2007, 2008, 2010 KIYOHARA Takashi
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: marvell_machdep.c,v 1.19 2012/10/22 15:43:32 matt Exp $");
29 
30 #include "opt_evbarm_boardtype.h"
31 #include "opt_ddb.h"
32 #include "opt_pci.h"
33 #include "opt_mvsoc.h"
34 #include "com.h"
35 #include "gtpci.h"
36 #include "mvpex.h"
37 
38 #include <sys/param.h>
39 #include <sys/kernel.h>
40 #include <sys/reboot.h>
41 #include <sys/systm.h>
42 #include <sys/termios.h>
43 
44 #include <prop/proplib.h>
45 
46 #include <dev/cons.h>
47 #include <dev/md.h>
48 
49 #include <dev/marvell/marvellreg.h>
50 #include <dev/marvell/marvellvar.h>
51 #include <dev/pci/pcireg.h>
52 #include <dev/pci/pcivar.h>
53 
54 #include <machine/autoconf.h>
55 #include <machine/bootconfig.h>
56 #include <machine/pci_machdep.h>
57 
58 #include <uvm/uvm_extern.h>
59 
60 #include <arm/db_machdep.h>
61 #include <arm/undefined.h>
62 #include <arm/arm32/machdep.h>
63 
64 #include <arm/marvell/mvsocreg.h>
65 #include <arm/marvell/mvsocvar.h>
66 #include <arm/marvell/orionreg.h>
67 #include <arm/marvell/kirkwoodreg.h>
68 #include <arm/marvell/mvsocgppvar.h>
69 
70 #include <evbarm/marvell/marvellreg.h>
71 #include <evbarm/marvell/marvellvar.h>
72 
73 #include <ddb/db_extern.h>
74 #include <ddb/db_sym.h>
75 
76 #include "ksyms.h"
77 
78 
79 /* Kernel text starts 2MB in from the bottom of the kernel address space. */
80 #define KERNEL_TEXT_BASE	(KERNEL_BASE + 0x00000000)
81 #define KERNEL_VM_BASE		(KERNEL_BASE + 0x02000000)
82 
83 /*
84  * The range 0xc2000000 - 0xdfffffff is available for kernel VM space
85  * Core-logic registers and I/O mappings occupy 0xfe000000 - 0xffffffff
86  */
87 #define KERNEL_VM_SIZE		0x1e000000
88 
89 BootConfig bootconfig;		/* Boot config storage */
90 static char bootargs[MAX_BOOT_STRING];
91 char *boot_args = NULL;
92 
93 extern int KERNEL_BASE_phys[];
94 extern char _end[];
95 
96 /*
97  * Macros to translate between physical and virtual for a subset of the
98  * kernel address space.  *Not* for general use.
99  */
100 #define KERNEL_BASE_PHYS	physical_start
101 #define KERN_VTOPHYS(va) \
102 	((paddr_t)((vaddr_t)va - KERNEL_BASE + KERNEL_BASE_PHYS))
103 #define KERN_PHYSTOV(pa) \
104 	((vaddr_t)((paddr_t)pa - KERNEL_BASE_PHYS + KERNEL_BASE))
105 
106 
107 #include "com.h"
108 #if NCOM > 0
109 #include <dev/ic/comreg.h>
110 #include <dev/ic/comvar.h>
111 #endif
112 
113 #ifndef CONSPEED
114 #define CONSPEED	B115200	/* It's a setting of the default of u-boot */
115 #endif
116 #ifndef CONMODE
117 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
118 
119 int comcnspeed = CONSPEED;
120 int comcnmode = CONMODE;
121 #endif
122 
123 #include "opt_kgdb.h"
124 #ifdef KGDB
125 #include <sys/kgdb.h>
126 #endif
127 
128 static void marvell_device_register(device_t, void *);
129 #if NGTPCI > 0 || NMVPEX > 0
130 static void marvell_startend_by_tag(int, uint64_t *, uint64_t *);
131 #endif
132 
133 static void
134 marvell_system_reset(void)
135 {
136 	/* unmask soft reset */
137 	write_mlmbreg(MVSOC_MLMB_RSTOUTNMASKR,
138 	    MVSOC_MLMB_RSTOUTNMASKR_SOFTRSTOUTEN);
139 	/* assert soft reset */
140 	write_mlmbreg(MVSOC_MLMB_SSRR, MVSOC_MLMB_SSRR_SYSTEMSOFTRST);
141 	/* if we're still running, jump to the reset address */
142 	cpu_reset_address = 0;
143 	cpu_reset_address_paddr = 0xffff0000;
144 	cpu_reset();
145 	/*NOTREACHED*/
146 }
147 
148 static inline
149 pd_entry_t *
150 read_ttb(void)
151 {
152 	long ttb;
153 
154 	__asm volatile("mrc	p15, 0, %0, c2, c0, 0" : "=r" (ttb));
155 
156 	return (pd_entry_t *)(ttb & ~((1<<14)-1));
157 }
158 
159 /*
160  * Static device mappings. These peripheral registers are mapped at
161  * fixed virtual addresses very early in initarm() so that we can use
162  * them while booting the kernel, and stay at the same address
163  * throughout whole kernel's life time.
164  *
165  * We use this table twice; once with bootstrap page table, and once
166  * with kernel's page table which we build up in initarm().
167  *
168  * Since we map these registers into the bootstrap page table using
169  * pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map
170  * registers segment-aligned and segment-rounded in order to avoid
171  * using the 2nd page tables.
172  */
173 #define _A(a)	((a) & ~L1_S_OFFSET)
174 #define _S(s)	(((s) + L1_S_SIZE - 1) & ~(L1_S_SIZE-1))
175 
176 static const struct pmap_devmap marvell_devmap[] = {
177 	{
178 		MARVELL_INTERREGS_VBASE,
179 		_A(MARVELL_INTERREGS_PBASE),
180 		_S(MARVELL_INTERREGS_SIZE),
181 		VM_PROT_READ|VM_PROT_WRITE,
182 		PTE_NOCACHE,
183 	},
184 
185 	{ 0, 0, 0, 0, 0 }
186 };
187 
188 #undef  _A
189 #undef  _S
190 
191 extern uint32_t *u_boot_args[];
192 
193 /*
194  * u_int initarm(...)
195  *
196  * Initial entry point on startup. This gets called before main() is
197  * entered.
198  * It should be responsible for setting up everything that must be
199  * in place when main is called.
200  * This includes
201  *   Taking a copy of the boot configuration structure.
202  *   Initialising the physical console so characters can be printed.
203  *   Setting up page tables for the kernel
204  *   Relocating the kernel to the bottom of physical memory
205  */
206 u_int
207 initarm(void *arg)
208 {
209 	uint32_t target, attr, base, size;
210 	int cs, memtag = 0, iotag = 0, window;
211 
212 	/* Use the mapped reset routine! */
213 	cpu_reset_address = marvell_system_reset;
214 
215 	mvsoc_bootstrap(MARVELL_INTERREGS_VBASE);
216 
217 	/* map some peripheral registers */
218 	pmap_devmap_bootstrap((vaddr_t)read_ttb(), marvell_devmap);
219 
220 	/* Get ready for splfoo() */
221 	switch (mvsoc_model()) {
222 #ifdef ORION
223 	case MARVELL_ORION_1_88F1181:
224 	case MARVELL_ORION_1_88F5082:
225 	case MARVELL_ORION_1_88F5180N:
226 	case MARVELL_ORION_1_88F5181:
227 	case MARVELL_ORION_1_88F5182:
228 	case MARVELL_ORION_1_88F6082:
229 	case MARVELL_ORION_1_88F6183:
230 	case MARVELL_ORION_1_88W8660:
231 	case MARVELL_ORION_2_88F1281:
232 	case MARVELL_ORION_2_88F5281:
233 		orion_intr_bootstrap();
234 
235 		memtag = ORION_TAG_PEX0_MEM;
236 		iotag = ORION_TAG_PEX0_IO;
237 		nwindow = ORION_MLMB_NWINDOW;
238 		nremap = ORION_MLMB_NREMAP;
239 
240 		orion_getclks(MARVELL_INTERREGS_VBASE);
241 		break;
242 #endif	/* ORION */
243 
244 #ifdef KIRKWOOD
245 	case MARVELL_KIRKWOOD_88F6180:
246 	case MARVELL_KIRKWOOD_88F6192:
247 	case MARVELL_KIRKWOOD_88F6281:
248 	case MARVELL_KIRKWOOD_88F6282:
249 		kirkwood_intr_bootstrap();
250 
251 		memtag = KIRKWOOD_TAG_PEX_MEM;
252 		iotag = KIRKWOOD_TAG_PEX_IO;
253 		nwindow = KIRKWOOD_MLMB_NWINDOW;
254 		nremap = KIRKWOOD_MLMB_NREMAP;
255 
256 		kirkwood_getclks(MARVELL_INTERREGS_VBASE);
257 		break;
258 #endif	/* KIRKWOOD */
259 
260 #ifdef MV78XX0
261 	case MARVELL_MV78XX0_MV78100:
262 	case MARVELL_MV78XX0_MV78200:
263 		mv78xx0_intr_bootstrap();
264 
265 		memtag = MV78XX0_TAG_PEX_MEM;
266 		iotag = MV78XX0_TAG_PEX_IO;
267 		nwindow = MV78XX0_MLMB_NWINDOW;
268 		nremap = MV78XX0_MLMB_NREMAP;
269 
270 		mv78xx0_getclks(MARVELL_INTERREGS_VBASE);
271 		break;
272 #endif	/* MV78XX0 */
273 
274 	default:
275 		/* We can't output console here yet... */
276 		panic("unknown model...\n");
277 
278 		/* NOTREACHED */
279 	}
280 
281 	/* Reset PCI-Express space to window register. */
282 	window = mvsoc_target(memtag, &target, &attr, NULL, NULL);
283 	write_mlmbreg(MVSOC_MLMB_WCR(window),
284 	    MVSOC_MLMB_WCR_WINEN |
285 	    MVSOC_MLMB_WCR_TARGET(target) |
286 	    MVSOC_MLMB_WCR_ATTR(attr) |
287 	    MVSOC_MLMB_WCR_SIZE(MARVELL_PEXMEM_SIZE));
288 	write_mlmbreg(MVSOC_MLMB_WBR(window),
289 	    MARVELL_PEXMEM_PBASE & MVSOC_MLMB_WBR_BASE_MASK);
290 #ifdef PCI_NETBSD_CONFIGURE
291 	if (window < nremap) {
292 		write_mlmbreg(MVSOC_MLMB_WRLR(window),
293 		    MARVELL_PEXMEM_PBASE & MVSOC_MLMB_WRLR_REMAP_MASK);
294 		write_mlmbreg(MVSOC_MLMB_WRHR(window), 0);
295 	}
296 #endif
297 	window = mvsoc_target(iotag, &target, &attr, NULL, NULL);
298 	write_mlmbreg(MVSOC_MLMB_WCR(window),
299 	    MVSOC_MLMB_WCR_WINEN |
300 	    MVSOC_MLMB_WCR_TARGET(target) |
301 	    MVSOC_MLMB_WCR_ATTR(attr) |
302 	    MVSOC_MLMB_WCR_SIZE(MARVELL_PEXIO_SIZE));
303 	write_mlmbreg(MVSOC_MLMB_WBR(window),
304 	    MARVELL_PEXIO_PBASE & MVSOC_MLMB_WBR_BASE_MASK);
305 #ifdef PCI_NETBSD_CONFIGURE
306 	if (window < nremap) {
307 		write_mlmbreg(MVSOC_MLMB_WRLR(window),
308 		    MARVELL_PEXIO_PBASE & MVSOC_MLMB_WRLR_REMAP_MASK);
309 		write_mlmbreg(MVSOC_MLMB_WRHR(window), 0);
310 	}
311 #endif
312 
313 	/*
314 	 * Heads up ... Setup the CPU / MMU / TLB functions
315 	 */
316 	if (set_cpufuncs())
317 		panic("cpu not recognized!");
318 
319 	/*
320 	 * U-Boot doesn't use the virtual memory.
321 	 *
322 	 * Physical Address Range     Description
323 	 * -----------------------    ----------------------------------
324 	 * 0x00000000 - 0x0fffffff    SDRAM Bank 0 (max 256MB)
325 	 * 0x10000000 - 0x1fffffff    SDRAM Bank 1 (max 256MB)
326 	 * 0x20000000 - 0x2fffffff    SDRAM Bank 2 (max 256MB)
327 	 * 0x30000000 - 0x3fffffff    SDRAM Bank 3 (max 256MB)
328 	 * 0xf1000000 - 0xf10fffff    SoC Internal Registers
329 	 */
330 
331 	cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT);
332 
333 	consinit();
334 
335 	/* Talk to the user */
336 #ifndef EVBARM_BOARDTYPE
337 #define EVBARM_BOARDTYPE	Marvell
338 #endif
339 #define BDSTR(s)	_BDSTR(s)
340 #define _BDSTR(s)	#s
341 	printf("\nNetBSD/evbarm (" BDSTR(EVBARM_BOARDTYPE) ") booting ...\n");
342 
343 	/* copy command line U-Boot gave us, if args is valid. */
344 	if (u_boot_args[3] != 0)	/* XXXXX: need more check?? */
345 		strncpy(bootargs, (char *)u_boot_args[3], sizeof(bootargs));
346 
347 #ifdef VERBOSE_INIT_ARM
348 	printf("initarm: Configuring system ...\n");
349 #endif
350 
351 	bootconfig.dramblocks = 0;
352 	paddr_t physical_end;
353 	physical_end = physmem = 0;
354 	for (cs = MARVELL_TAG_SDRAM_CS0; cs <= MARVELL_TAG_SDRAM_CS3; cs++) {
355 		mvsoc_target(cs, &target, &attr, &base, &size);
356 		if (size == 0)
357 			continue;
358 
359 		bootconfig.dram[bootconfig.dramblocks].address = base;
360 		bootconfig.dram[bootconfig.dramblocks].pages = size / PAGE_SIZE;
361 
362 		if (base != physical_end)
363 			panic("memory hole not support");
364 
365 		physical_end += size;
366 		physmem += size / PAGE_SIZE;
367 
368 		bootconfig.dramblocks++;
369 	}
370 
371 	arm32_bootmem_init(0, physical_end, (uintptr_t) KERNEL_BASE_phys);
372 	arm32_kernel_vm_init(KERNEL_VM_BASE, ARM_VECTORS_HIGH, 0,
373 	    marvell_devmap, false);
374 
375 	/* we've a specific device_register routine */
376 	evbarm_device_register = marvell_device_register;
377 
378 	return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0);
379 }
380 
381 void
382 consinit(void)
383 {
384 	static int consinit_called = 0;
385 
386 	if (consinit_called != 0)
387 		return;
388 
389 	consinit_called = 1;
390 
391 #if NCOM > 0
392 	{
393 		extern int mvuart_cnattach(bus_space_tag_t, bus_addr_t, int,
394 					   uint32_t, int);
395 
396 		if (mvuart_cnattach(&mvsoc_bs_tag,
397 		    MARVELL_INTERREGS_VBASE + MVSOC_COM0_BASE,
398 		    comcnspeed, mvTclk, comcnmode))
399 			panic("can't init serial console");
400 	}
401 #else
402 	panic("serial console not configured");
403 #endif
404 }
405 
406 
407 static void
408 marvell_device_register(device_t dev, void *aux)
409 {
410 	prop_dictionary_t dict = device_properties(dev);
411 
412 #if NCOM > 0
413 	if (device_is_a(dev, "com") &&
414 	    device_is_a(device_parent(dev), "mvsoc"))
415 		prop_dictionary_set_uint32(dict, "frequency", mvTclk);
416 #endif
417 	if (device_is_a(dev, "gtidmac"))
418 		prop_dictionary_set_uint32(dict,
419 		    "dmb_speed", mvTclk * sizeof(uint32_t));	/* XXXXXX */
420 #if NGTPCI > 0 && defined(ORION)
421 	if (device_is_a(dev, "gtpci")) {
422 		extern struct bus_space
423 		    orion_pci_io_bs_tag, orion_pci_mem_bs_tag;
424 		extern struct arm32_pci_chipset arm32_gtpci_chipset;
425 
426 		prop_data_t io_bs_tag, mem_bs_tag, pc;
427 		prop_array_t int2gpp;
428 		prop_number_t gpp;
429 		uint64_t start, end;
430 		int i, j;
431 		static struct {
432 			const char *boardtype;
433 			int pin[PCI_INTERRUPT_PIN_MAX];
434 		} hints[] = {
435 			{ "kuronas_x4",
436 			    { 11, PCI_INTERRUPT_PIN_NONE } },
437 
438 			{ NULL,
439 			    { PCI_INTERRUPT_PIN_NONE } },
440 		};
441 
442 		arm32_gtpci_chipset.pc_conf_v = device_private(dev);
443 		arm32_gtpci_chipset.pc_intr_v = device_private(dev);
444 
445 		io_bs_tag = prop_data_create_data_nocopy(
446 		    &orion_pci_io_bs_tag, sizeof(struct bus_space));
447 		KASSERT(io_bs_tag != NULL);
448 		prop_dictionary_set(dict, "io-bus-tag", io_bs_tag);
449 		prop_object_release(io_bs_tag);
450 		mem_bs_tag = prop_data_create_data_nocopy(
451 		    &orion_pci_mem_bs_tag, sizeof(struct bus_space));
452 		KASSERT(mem_bs_tag != NULL);
453 		prop_dictionary_set(dict, "mem-bus-tag", mem_bs_tag);
454 		prop_object_release(mem_bs_tag);
455 
456 		pc = prop_data_create_data_nocopy(&arm32_gtpci_chipset,
457 		    sizeof(struct arm32_pci_chipset));
458 		KASSERT(pc != NULL);
459 		prop_dictionary_set(dict, "pci-chipset", pc);
460 		prop_object_release(pc);
461 
462 		marvell_startend_by_tag(ORION_TAG_PCI_IO, &start, &end);
463 		prop_dictionary_set_uint64(dict, "iostart", start);
464 		prop_dictionary_set_uint64(dict, "ioend", end);
465 		marvell_startend_by_tag(ORION_TAG_PCI_MEM, &start, &end);
466 		prop_dictionary_set_uint64(dict, "memstart", start);
467 		prop_dictionary_set_uint64(dict, "memend", end);
468 		prop_dictionary_set_uint32(dict,
469 		    "cache-line-size", arm_dcache_align);
470 
471 		/* Setup the hint for interrupt-pin. */
472 #define BDSTR(s)		_BDSTR(s)
473 #define _BDSTR(s)		#s
474 #define THIS_BOARD(str)		(strcmp(str, BDSTR(EVBARM_BOARDTYPE)) == 0)
475 		for (i = 0; hints[i].boardtype != NULL; i++)
476 			if (THIS_BOARD(hints[i].boardtype))
477 				break;
478 		if (hints[i].boardtype == NULL)
479 			return;
480 
481 		int2gpp =
482 		    prop_array_create_with_capacity(PCI_INTERRUPT_PIN_MAX + 1);
483 
484 		/* first set dummy */
485 		gpp = prop_number_create_integer(0);
486 		prop_array_add(int2gpp, gpp);
487 		prop_object_release(gpp);
488 
489 		for (j = 0; hints[i].pin[j] != PCI_INTERRUPT_PIN_NONE; j++) {
490 			gpp = prop_number_create_integer(hints[i].pin[j]);
491 			prop_array_add(int2gpp, gpp);
492 			prop_object_release(gpp);
493 		}
494 		prop_dictionary_set(dict, "int2gpp", int2gpp);
495 	}
496 #endif	/* NGTPCI > 0 && defined(ORION) */
497 #if NMVPEX > 0
498 	if (device_is_a(dev, "mvpex")) {
499 #ifdef ORION
500 		extern struct bus_space
501 		    orion_pex0_io_bs_tag, orion_pex0_mem_bs_tag,
502 		    orion_pex1_io_bs_tag, orion_pex1_mem_bs_tag;
503 #endif
504 #ifdef KIRKWOOD
505 		extern struct bus_space
506 		    kirkwood_pex_io_bs_tag, kirkwood_pex_mem_bs_tag,
507 		    kirkwood_pex1_io_bs_tag, kirkwood_pex1_mem_bs_tag;
508 #endif
509 		extern struct arm32_pci_chipset arm32_mvpex0_chipset;
510 #if defined(ORION) || defined(KIRKWOOD)
511 		extern struct arm32_pci_chipset arm32_mvpex1_chipset;
512 
513 		struct marvell_attach_args *mva = aux;
514 #endif
515 		struct bus_space *mvpex_io_bs_tag, *mvpex_mem_bs_tag;
516 		struct arm32_pci_chipset *arm32_mvpex_chipset;
517 		prop_data_t io_bs_tag, mem_bs_tag, pc;
518 		uint64_t start, end;
519 		int iotag, memtag;
520 
521 		switch (mvsoc_model()) {
522 #ifdef ORION
523 		case MARVELL_ORION_1_88F5180N:
524 		case MARVELL_ORION_1_88F5181:
525 		case MARVELL_ORION_1_88F5182:
526 		case MARVELL_ORION_1_88W8660:
527 		case MARVELL_ORION_2_88F5281:
528 			if (mva->mva_offset == MVSOC_PEX_BASE) {
529 				mvpex_io_bs_tag = &orion_pex0_io_bs_tag;
530 				mvpex_mem_bs_tag = &orion_pex0_mem_bs_tag;
531 				arm32_mvpex_chipset = &arm32_mvpex0_chipset;
532 				iotag = ORION_TAG_PEX0_IO;
533 				memtag = ORION_TAG_PEX0_MEM;
534 			} else {
535 				mvpex_io_bs_tag = &orion_pex1_io_bs_tag;
536 				mvpex_mem_bs_tag = &orion_pex1_mem_bs_tag;
537 				arm32_mvpex_chipset = &arm32_mvpex1_chipset;
538 				iotag = ORION_TAG_PEX1_IO;
539 				memtag = ORION_TAG_PEX1_MEM;
540 			}
541 			break;
542 #endif
543 
544 #ifdef KIRKWOOD
545 		case MARVELL_KIRKWOOD_88F6282:
546 			if (mva->mva_offset != MVSOC_PEX_BASE) {
547 				mvpex_io_bs_tag = &kirkwood_pex1_io_bs_tag;
548 				mvpex_mem_bs_tag = &kirkwood_pex1_mem_bs_tag;
549 				arm32_mvpex_chipset = &arm32_mvpex1_chipset;
550 				iotag = KIRKWOOD_TAG_PEX1_IO;
551 				memtag = KIRKWOOD_TAG_PEX1_MEM;
552 				break;
553 			}
554 
555 			/* FALLTHROUGH */
556 
557 		case MARVELL_KIRKWOOD_88F6180:
558 		case MARVELL_KIRKWOOD_88F6192:
559 		case MARVELL_KIRKWOOD_88F6281:
560 			mvpex_io_bs_tag = &kirkwood_pex_io_bs_tag;
561 			mvpex_mem_bs_tag = &kirkwood_pex_mem_bs_tag;
562 			arm32_mvpex_chipset = &arm32_mvpex0_chipset;
563 			iotag = KIRKWOOD_TAG_PEX_IO;
564 			memtag = KIRKWOOD_TAG_PEX_MEM;
565 			break;
566 #endif
567 
568 		default:
569 			return;
570 		}
571 
572 		arm32_mvpex_chipset->pc_conf_v = device_private(dev);
573 		arm32_mvpex_chipset->pc_intr_v = device_private(dev);
574 
575 		io_bs_tag = prop_data_create_data_nocopy(
576 		    mvpex_io_bs_tag, sizeof(struct bus_space));
577 		KASSERT(io_bs_tag != NULL);
578 		prop_dictionary_set(dict, "io-bus-tag", io_bs_tag);
579 		prop_object_release(io_bs_tag);
580 		mem_bs_tag = prop_data_create_data_nocopy(
581 		    mvpex_mem_bs_tag, sizeof(struct bus_space));
582 		KASSERT(mem_bs_tag != NULL);
583 		prop_dictionary_set(dict, "mem-bus-tag", mem_bs_tag);
584 		prop_object_release(mem_bs_tag);
585 
586 		pc = prop_data_create_data_nocopy(arm32_mvpex_chipset,
587 		    sizeof(struct arm32_pci_chipset));
588 		KASSERT(pc != NULL);
589 		prop_dictionary_set(dict, "pci-chipset", pc);
590 		prop_object_release(pc);
591 
592 		marvell_startend_by_tag(iotag, &start, &end);
593 		prop_dictionary_set_uint64(dict, "iostart", start);
594 		prop_dictionary_set_uint64(dict, "ioend", end);
595 		marvell_startend_by_tag(memtag, &start, &end);
596 		prop_dictionary_set_uint64(dict, "memstart", start);
597 		prop_dictionary_set_uint64(dict, "memend", end);
598 		prop_dictionary_set_uint32(dict,
599 		    "cache-line-size", arm_dcache_align);
600 	}
601 #endif
602 }
603 
604 #if NGTPCI > 0 || NMVPEX > 0
605 static void
606 marvell_startend_by_tag(int tag, uint64_t *start, uint64_t *end)
607 {
608 	uint32_t base, size;
609 	int win;
610 
611 	win = mvsoc_target(tag, NULL, NULL, &base, &size);
612 	if (size != 0) {
613 		if (win < nremap)
614 			*start = read_mlmbreg(MVSOC_MLMB_WRLR(win)) |
615 			    ((read_mlmbreg(MVSOC_MLMB_WRHR(win)) << 16) << 16);
616 		else
617 			*start = base;
618 		*end = *start + size - 1;
619 	}
620 }
621 #endif
622