1 /*        $NetBSD: pci_machdep.c,v 1.16 2020/05/14 08:34:20 msaitoh Exp $       */
2 /*
3  * Copyright (c) 2008 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 
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: pci_machdep.c,v 1.16 2020/05/14 08:34:20 msaitoh Exp $");
30 
31 #include "opt_mvsoc.h"
32 #include "gtpci.h"
33 #include "mvpex.h"
34 #include "pci.h"
35 
36 #include <sys/param.h>
37 #include <sys/device.h>
38 #include <sys/extent.h>
39 
40 #include <dev/pci/pcivar.h>
41 #include <dev/pci/pciconf.h>
42 
43 #include <arm/marvell/mvsocreg.h>
44 #include <arm/marvell/mvsocvar.h>
45 #include <arm/marvell/mvsocgppvar.h>
46 #if NGTPCI > 0
47 #include <dev/marvell/gtpcireg.h>
48 #include <dev/marvell/gtpcivar.h>
49 #endif
50 #if NMVPEX > 0
51 #include <dev/marvell/mvpexreg.h>
52 #include <dev/marvell/mvpexvar.h>
53 #endif
54 
55 #include <machine/pci_machdep.h>
56 
57 #if defined(ORION)
58 #include <arm/marvell/orionreg.h>
59 #endif
60 #if defined(KIRKWOOD)
61 #include <arm/marvell/kirkwoodreg.h>
62 #endif
63 #include <dev/marvell/marvellreg.h>
64 
65 
66 #if NGTPCI > 0
67 #if NGTPCI_MBUS > 0
68 static pcireg_t gtpci_mbus_conf_read(void *, pcitag_t, int);
69 static void gtpci_mbus_conf_write(void *, pcitag_t, int, pcireg_t);
70 #endif
71 static int gtpci_gpp_intr_map(const struct pci_attach_args *,
72     pci_intr_handle_t *);
73 static const char *gtpci_gpp_intr_string(void *, pci_intr_handle_t,
74     char *, size_t);
75 static const struct evcnt *gtpci_gpp_intr_evcnt(void *, pci_intr_handle_t);
76 static void *gtpci_gpp_intr_establish(void *, pci_intr_handle_t, int, int (*)(void *), void *, const char *);
77 static void gtpci_gpp_intr_disestablish(void *, void *);
78 
79 struct arm32_pci_chipset arm32_gtpci_chipset = {
80           .pc_attach_hook = gtpci_attach_hook,
81           .pc_bus_maxdevs = gtpci_bus_maxdevs,
82           .pc_make_tag = gtpci_make_tag,
83           .pc_decompose_tag = gtpci_decompose_tag,
84 #if NGTPCI_MBUS > 0
85           .pc_conf_read = gtpci_mbus_conf_read,             /* XXXX: always this functions */
86           .pc_conf_write = gtpci_mbus_conf_write,
87 #else
88           .pc_conf_read = gtpci_conf_read,
89           .pc_conf_write = gtpci_conf_write,
90 #endif
91           .pc_intr_map = gtpci_gpp_intr_map,
92           .pc_intr_string = gtpci_gpp_intr_string,
93           .pc_intr_evcnt = gtpci_gpp_intr_evcnt,
94           .pc_intr_establish = gtpci_gpp_intr_establish,
95           .pc_intr_disestablish = gtpci_gpp_intr_disestablish,
96 #ifdef __HAVE_PCI_CONF_HOOK
97           .pc_conf_hook = gtpci_conf_hook,
98 #endif
99           .pc_conf_interrupt = gtpci_conf_interrupt,
100 };
101 #endif
102 
103 #if NMVPEX > 0
104 #if NMVPEX_MBUS > 0
105 static pcireg_t mvpex_mbus_conf_read(void *, pcitag_t, int);
106 #endif
107 
108 struct arm32_pci_chipset arm32_mvpex0_chipset = {
109           .pc_attach_hook = mvpex_attach_hook,
110           .pc_bus_maxdevs = mvpex_bus_maxdevs,
111           .pc_make_tag = mvpex_make_tag,
112           .pc_decompose_tag = mvpex_decompose_tag,
113 #if NMVPEX_MBUS > 0
114           .pc_conf_read = mvpex_mbus_conf_read,             /* XXXX: always this functions */
115 #else
116           .pc_conf_read = mvpex_conf_read,
117 #endif
118           .pc_conf_write = mvpex_conf_write,
119           .pc_intr_map = mvpex_intr_map,
120           .pc_intr_string = mvpex_intr_string,
121           .pc_intr_evcnt = mvpex_intr_evcnt,
122           .pc_intr_establish = mvpex_intr_establish,
123           .pc_intr_disestablish = mvpex_intr_disestablish,
124 #ifdef __HAVE_PCI_CONF_HOOK
125           .pc_conf_hook = mvpex_conf_hook,
126 #endif
127           .pc_conf_interrupt = mvpex_conf_interrupt,
128 };
129 struct arm32_pci_chipset arm32_mvpex1_chipset = {
130           .pc_attach_hook = mvpex_attach_hook,
131           .pc_bus_maxdevs = mvpex_bus_maxdevs,
132           .pc_make_tag = mvpex_make_tag,
133           .pc_decompose_tag = mvpex_decompose_tag,
134 #if NMVPEX_MBUS > 0
135           .pc_conf_read = mvpex_mbus_conf_read,             /* XXXX: always this functions */
136 #else
137           .pc_conf_read = mvpex_conf_read,
138 #endif
139           .pc_conf_write = mvpex_conf_write,
140           .pc_intr_map = mvpex_intr_map,
141           .pc_intr_string = mvpex_intr_string,
142           .pc_intr_evcnt = mvpex_intr_evcnt,
143           .pc_intr_establish = mvpex_intr_establish,
144           .pc_intr_disestablish = mvpex_intr_disestablish,
145 #ifdef __HAVE_PCI_CONF_HOOK
146           .pc_conf_hook = mvpex_conf_hook,
147 #endif
148           .pc_conf_interrupt = mvpex_conf_interrupt,
149 };
150 struct arm32_pci_chipset arm32_mvpex2_chipset = {
151           .pc_attach_hook = mvpex_attach_hook,
152           .pc_bus_maxdevs = mvpex_bus_maxdevs,
153           .pc_make_tag = mvpex_make_tag,
154           .pc_decompose_tag = mvpex_decompose_tag,
155 #if NMVPEX_MBUS > 0
156           .pc_conf_read = mvpex_mbus_conf_read,             /* XXXX: always this functions */
157 #else
158           .pc_conf_read = mvpex_conf_read,
159 #endif
160           .pc_conf_write = mvpex_conf_write,
161           .pc_intr_map = mvpex_intr_map,
162           .pc_intr_string = mvpex_intr_string,
163           .pc_intr_evcnt = mvpex_intr_evcnt,
164           .pc_intr_establish = mvpex_intr_establish,
165           .pc_intr_disestablish = mvpex_intr_disestablish,
166 #ifdef __HAVE_PCI_CONF_HOOK
167           .pc_conf_hook = mvpex_conf_hook,
168 #endif
169           .pc_conf_interrupt = mvpex_conf_interrupt,
170 };
171 struct arm32_pci_chipset arm32_mvpex3_chipset = {
172           .pc_attach_hook = mvpex_attach_hook,
173           .pc_bus_maxdevs = mvpex_bus_maxdevs,
174           .pc_make_tag = mvpex_make_tag,
175           .pc_decompose_tag = mvpex_decompose_tag,
176 #if NMVPEX_MBUS > 0
177           .pc_conf_read = mvpex_mbus_conf_read,             /* XXXX: always this functions */
178 #else
179           .pc_conf_read = mvpex_conf_read,
180 #endif
181           .pc_conf_write = mvpex_conf_write,
182           .pc_intr_map = mvpex_intr_map,
183           .pc_intr_string = mvpex_intr_string,
184           .pc_intr_evcnt = mvpex_intr_evcnt,
185           .pc_intr_establish = mvpex_intr_establish,
186           .pc_intr_disestablish = mvpex_intr_disestablish,
187 #ifdef __HAVE_PCI_CONF_HOOK
188           .pc_conf_hook = mvpex_conf_hook,
189 #endif
190           .pc_conf_interrupt = mvpex_conf_interrupt,
191 };
192 struct arm32_pci_chipset arm32_mvpex4_chipset = {
193           .pc_attach_hook = mvpex_attach_hook,
194           .pc_bus_maxdevs = mvpex_bus_maxdevs,
195           .pc_make_tag = mvpex_make_tag,
196           .pc_decompose_tag = mvpex_decompose_tag,
197 #if NMVPEX_MBUS > 0
198           .pc_conf_read = mvpex_mbus_conf_read,             /* XXXX: always this functions */
199 #else
200           .pc_conf_read = mvpex_conf_read,
201 #endif
202           .pc_conf_write = mvpex_conf_write,
203           .pc_intr_map = mvpex_intr_map,
204           .pc_intr_string = mvpex_intr_string,
205           .pc_intr_evcnt = mvpex_intr_evcnt,
206           .pc_intr_establish = mvpex_intr_establish,
207           .pc_intr_disestablish = mvpex_intr_disestablish,
208 #ifdef __HAVE_PCI_CONF_HOOK
209           .pc_conf_hook = mvpex_conf_hook,
210 #endif
211           .pc_conf_interrupt = mvpex_conf_interrupt,
212 };
213 struct arm32_pci_chipset arm32_mvpex5_chipset = {
214           .pc_attach_hook = mvpex_attach_hook,
215           .pc_bus_maxdevs = mvpex_bus_maxdevs,
216           .pc_make_tag = mvpex_make_tag,
217           .pc_decompose_tag = mvpex_decompose_tag,
218 #if NMVPEX_MBUS > 0
219           .pc_conf_read = mvpex_mbus_conf_read,             /* XXXX: always this functions */
220 #else
221           .pc_conf_read = mvpex_conf_read,
222 #endif
223           .pc_conf_write = mvpex_conf_write,
224           .pc_intr_map = mvpex_intr_map,
225           .pc_intr_string = mvpex_intr_string,
226           .pc_intr_evcnt = mvpex_intr_evcnt,
227           .pc_intr_establish = mvpex_intr_establish,
228           .pc_intr_disestablish = mvpex_intr_disestablish,
229 #ifdef __HAVE_PCI_CONF_HOOK
230           .pc_conf_hook = mvpex_conf_hook,
231 #endif
232           .pc_conf_interrupt = mvpex_conf_interrupt,
233 };
234 struct arm32_pci_chipset arm32_mvpex6_chipset = {
235           .pc_attach_hook = mvpex_attach_hook,
236           .pc_bus_maxdevs = mvpex_bus_maxdevs,
237           .pc_make_tag = mvpex_make_tag,
238           .pc_decompose_tag = mvpex_decompose_tag,
239 #if NMVPEX_MBUS > 0
240           .pc_conf_read = mvpex_mbus_conf_read,             /* XXXX: always this functions */
241 #else
242           .pc_conf_read = mvpex_conf_read,
243 #endif
244           .pc_conf_write = mvpex_conf_write,
245           .pc_intr_map = mvpex_intr_map,
246           .pc_intr_string = mvpex_intr_string,
247           .pc_intr_evcnt = mvpex_intr_evcnt,
248           .pc_intr_establish = mvpex_intr_establish,
249           .pc_intr_disestablish = mvpex_intr_disestablish,
250 #ifdef __HAVE_PCI_CONF_HOOK
251           .pc_conf_hook = mvpex_conf_hook,
252 #endif
253           .pc_conf_interrupt = mvpex_conf_interrupt,
254 };
255 #endif /* NMVPEX > 0 */
256 
257 #if NGTPCI > 0
258 /* ARGSUSED */
259 void
gtpci_conf_interrupt(void * v,int bus,int dev,int pin,int swiz,int * iline)260 gtpci_conf_interrupt(void *v, int bus, int dev, int pin, int swiz, int *iline)
261 {
262 
263           /* nothing */
264 }
265 
266 #if NGTPCI_MBUS > 0
267 #define GTPCI_MBUS_CA                   0x0c78    /* Configuration Address */
268 #define GTPCI_MBUS_CD                   0x0c7c    /* Configuration Data */
269 
270 static pcireg_t
gtpci_mbus_conf_read(void * v,pcitag_t tag,int reg)271 gtpci_mbus_conf_read(void *v, pcitag_t tag, int reg)
272 {
273           struct gtpci_softc *sc = v;
274           const pcireg_t addr = tag | reg;
275 
276           if ((unsigned int)reg >= PCI_CONF_SIZE)
277                     return -1;
278 
279           bus_space_write_4(sc->sc_iot, sc->sc_ioh, GTPCI_MBUS_CA,
280               addr | GTPCI_CA_CONFIGEN);
281           if ((addr | GTPCI_CA_CONFIGEN) !=
282               bus_space_read_4(sc->sc_iot, sc->sc_ioh, GTPCI_MBUS_CA))
283                     return -1;
284 
285           return bus_space_read_4(sc->sc_iot, sc->sc_ioh, GTPCI_MBUS_CD);
286 }
287 
288 static void
gtpci_mbus_conf_write(void * v,pcitag_t tag,int reg,pcireg_t data)289 gtpci_mbus_conf_write(void *v, pcitag_t tag, int reg, pcireg_t data)
290 {
291           struct gtpci_softc *sc = v;
292           pcireg_t addr = tag | (reg & 0xfc);
293 
294           if ((unsigned int)reg >= PCI_CONF_SIZE)
295                     return;
296 
297           bus_space_write_4(sc->sc_iot, sc->sc_ioh, GTPCI_MBUS_CA,
298               addr | GTPCI_CA_CONFIGEN);
299           if ((addr | GTPCI_CA_CONFIGEN) !=
300               bus_space_read_4(sc->sc_iot, sc->sc_ioh, GTPCI_MBUS_CA))
301                     return;
302 
303           bus_space_write_4(sc->sc_iot, sc->sc_ioh, GTPCI_MBUS_CD, data);
304 }
305 #endif    /* NGTPCI_MBUS */
306 
307 /*
308  * We assume to use GPP interrupt as PCI interrupts.
309  *   pci_intr_map() shall returns number of GPP between 0 and 31.  However
310  *   returns 0xff, because we do not know the connected pin number for GPP
311  *   of your board.
312  *   pci_intr_string() shall returns string "gpp <num>".
313  *   pci_intr_establish() established interrupt in the pin of all GPP.
314  *   Moreover, the return value will be disregarded.  For instance, the
315  *   setting for interrupt is not done.
316  */
317 
318 /* ARGSUSED */
319 static int
gtpci_gpp_intr_map(const struct pci_attach_args * pa,pci_intr_handle_t * ihp)320 gtpci_gpp_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp)
321 {
322 
323           *ihp = pa->pa_intrpin;
324           return 0;
325 }
326 
327 /* ARGSUSED */
328 static const char *
gtpci_gpp_intr_string(void * v,pci_intr_handle_t pin,char * buf,size_t len)329 gtpci_gpp_intr_string(void *v, pci_intr_handle_t pin, char *buf, size_t len)
330 {
331           struct gtpci_softc *sc = v;
332           prop_array_t int2gpp;
333           prop_object_t gpp;
334 
335           int2gpp = prop_dictionary_get(device_properties(sc->sc_dev), "int2gpp");
336           gpp = prop_array_get(int2gpp, pin);
337           snprintf(buf, len, "gpp %d", (int)prop_number_integer_value(gpp));
338 
339           return buf;
340 }
341 
342 /* ARGSUSED */
343 static const struct evcnt *
gtpci_gpp_intr_evcnt(void * v,pci_intr_handle_t pin)344 gtpci_gpp_intr_evcnt(void *v, pci_intr_handle_t pin)
345 {
346 
347           return NULL;
348 }
349 
350 static void *
gtpci_gpp_intr_establish(void * v,pci_intr_handle_t int_pin,int ipl,int (* intrhand)(void *),void * intrarg,const char * xname)351 gtpci_gpp_intr_establish(void *v, pci_intr_handle_t int_pin, int ipl,
352                              int (*intrhand)(void *), void *intrarg, const char *xname)
353 {
354           struct gtpci_softc *sc = v;
355           prop_array_t int2gpp;
356           prop_object_t gpp;
357           int gpp_pin;
358 
359           int2gpp = prop_dictionary_get(device_properties(sc->sc_dev), "int2gpp");
360           gpp = prop_array_get(int2gpp, int_pin);
361           gpp_pin = prop_number_integer_value(gpp);
362           return mvsocgpp_intr_establish(gpp_pin, ipl, IST_LEVEL_LOW, intrhand,
363               intrarg);
364 }
365 
366 static void
gtpci_gpp_intr_disestablish(void * v,void * ih)367 gtpci_gpp_intr_disestablish(void *v, void *ih)
368 {
369 
370           mvsocgpp_intr_disestablish(ih);
371 }
372 #endif
373 
374 #if NMVPEX_MBUS > 0
375 /* ARGSUSED */
376 void
mvpex_conf_interrupt(void * v,int bus,int dev,int ipin,int swiz,int * ilinep)377 mvpex_conf_interrupt(void *v, int bus, int dev, int ipin, int swiz, int *ilinep)
378 {
379 
380           /* nothing */
381 }
382 
383 static pcireg_t
mvpex_mbus_conf_read(void * v,pcitag_t tag,int reg)384 mvpex_mbus_conf_read(void *v, pcitag_t tag, int reg)
385 {
386           struct mvpex_softc *sc = v;
387           pcireg_t addr, data, pci_cs;
388           uint32_t stat;
389           int bus, dev, func, pexbus, pexdev;
390 
391           if ((unsigned int)reg >= PCI_CONF_SIZE)
392                     return -1;
393 
394           mvpex_decompose_tag(v, tag, &bus, &dev, &func);
395 
396           stat = bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVPEX_STAT);
397           pexbus = MVPEX_STAT_PEXBUSNUM(stat);
398           pexdev = MVPEX_STAT_PEXDEVNUM(stat);
399           if (bus != pexbus || dev != pexdev)
400                     if (stat & MVPEX_STAT_DLDOWN)
401                               return -1;
402 
403           if (bus == pexbus) {
404                     if (pexdev == 0) {
405                               if (dev != 1 && dev != pexdev)
406                                         return -1;
407                     } else {
408                               if (dev != 0 && dev != pexdev)
409                                         return -1;
410                     }
411                     if (func != 0)
412                               return -1;
413           }
414 
415           addr = ((reg & 0xf00) << 24)  | tag | (reg & 0xfc);
416 
417 #if defined(ORION)
418           /*
419            * Guideline (GL# PCI Express-1) Erroneous Read Data on Configuration
420            * This guideline is relevant for all devices except of the following
421            * devices:
422            *     88F5281-BO and above, and 88F5181L-A0 and above
423            */
424           if ((bus != pexbus || dev != pexdev) &&
425               !(sc->sc_model == MARVELL_ORION_2_88F5281 && sc->sc_rev == 1) &&
426               !(sc->sc_model == MARVELL_ORION_1_88F5181 && sc->sc_rev == 8)) {
427 
428                     /* PCI-Express configuration read work-around */
429                     /*
430                      * We will use one of the Punit (AHBToMbus) windows to
431                      * access the xbar and read the data from there
432                      *
433                      * Need to configure the 2 free Punit (AHB to MBus bridge)
434                      * address decoding windows:
435                      * Configure the flash Window to handle Configuration space
436                      * requests for PEX0/1:
437                      *
438                      * Configuration transactions from the CPU should write/read
439                      * the data to/from address of the form:
440                      *        addr[31:28]: 0x5 (for PEX0) or 0x6 (for PEX1)
441                      *        addr[27:24]: extended register number
442                      *        addr[23:16]: bus number
443                      *        addr[15:11]: device number
444                      *        addr[10: 8]: function number
445                      *        addr[ 7: 0]: register number
446                      */
447 
448                     struct mvsoc_softc *soc =
449                         device_private(device_parent(sc->sc_dev));
450                     bus_space_handle_t pcicfg_ioh;
451                     uint32_t remapl, remaph, wc, pcicfg_addr, pcicfg_size;
452                     int window, target, attr, base, size, s;
453                     const int pex_pcicfg_tag =
454                         (sc->sc_model == MARVELL_ORION_1_88F1181) ?
455                         ORION_TAG_FLASH_CS : ORION_TAG_PEX0_MEM;
456 
457                     window = mvsoc_target(pex_pcicfg_tag,
458                         &target, &attr, &base, &size);
459                     if (window >= nwindow) {
460                               aprint_error_dev(sc->sc_dev,
461                                   "can't read pcicfg space\n");
462                               return -1;
463                     }
464 
465                     s = splhigh();
466 
467                     remapl = remaph = 0;
468                     if (window == 0 || window == 1) {
469                               remapl = read_mlmbreg(MVSOC_MLMB_WRLR(window));
470                               remaph = read_mlmbreg(MVSOC_MLMB_WRHR(window));
471                     }
472 
473                     wc =
474                         MVSOC_MLMB_WCR_WINEN                          |
475                         MVSOC_MLMB_WCR_ATTR(ORION_ATTR_PEX_CFG)       |
476                         MVSOC_MLMB_WCR_TARGET((soc->sc_addr + sc->sc_offset) >> 16);
477                     if (sc->sc_model == MARVELL_ORION_1_88F1181) {
478                               pcicfg_addr = base;
479                               pcicfg_size = size;
480                     } else if (sc->sc_model == MARVELL_ORION_1_88F5182) {
481 #define PEX_PCICFG_RW_WA_BASE           0x50000000
482 #define PEX_PCICFG_RW_WA_5182_BASE      0xf0000000
483 #define PEX_PCICFG_RW_WA_SIZE           (16 * 1024 * 1024)
484                               pcicfg_addr = PEX_PCICFG_RW_WA_5182_BASE;
485                               pcicfg_size = PEX_PCICFG_RW_WA_SIZE;
486                     } else {
487                               pcicfg_addr = PEX_PCICFG_RW_WA_BASE;
488                               pcicfg_size = PEX_PCICFG_RW_WA_SIZE;
489                     }
490                     write_mlmbreg(MVSOC_MLMB_WCR(window),
491                         wc | MVSOC_MLMB_WCR_SIZE(pcicfg_size));
492                     write_mlmbreg(MVSOC_MLMB_WBR(window), pcicfg_addr);
493 
494                     if (window == 0 || window == 1) {
495                               write_mlmbreg(MVSOC_MLMB_WRLR(window), pcicfg_addr);
496                               write_mlmbreg(MVSOC_MLMB_WRHR(window), 0);
497                     }
498 
499                     if (bus_space_map(sc->sc_iot, pcicfg_addr, pcicfg_size, 0,
500                         &pcicfg_ioh) == 0) {
501                               data = bus_space_read_4(sc->sc_iot, pcicfg_ioh, addr);
502                               bus_space_unmap(sc->sc_iot, pcicfg_ioh, pcicfg_size);
503                     } else
504                               data = -1;
505 
506                     write_mlmbreg(MVSOC_MLMB_WCR(window),
507                         MVSOC_MLMB_WCR_WINEN                |
508                         MVSOC_MLMB_WCR_ATTR(attr)           |
509                         MVSOC_MLMB_WCR_TARGET(target)       |
510                         MVSOC_MLMB_WCR_SIZE(size));
511                     write_mlmbreg(MVSOC_MLMB_WBR(window), base);
512                     if (window == 0 || window == 1) {
513                               write_mlmbreg(MVSOC_MLMB_WRLR(window), remapl);
514                               write_mlmbreg(MVSOC_MLMB_WRHR(window), remaph);
515                     }
516 
517                     splx(s);
518 #else
519           if (0) {
520 #endif
521           } else {
522                     bus_space_write_4(sc->sc_iot, sc->sc_ioh, MVPEX_CA,
523                         addr | MVPEX_CA_CONFIGEN);
524                     if ((addr | MVPEX_CA_CONFIGEN) !=
525                         bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVPEX_CA))
526                               return -1;
527 
528                     pci_cs = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
529                         PCI_COMMAND_STATUS_REG);
530                     bus_space_write_4(sc->sc_iot, sc->sc_ioh,
531                         PCI_COMMAND_STATUS_REG, pci_cs | PCI_STATUS_MASTER_ABORT);
532 
533                     data = bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVPEX_CD);
534           }
535 
536           return data;
537 }
538 #endif
539