2 * Copyright (c) 1997-2006 by Matthew Jacob
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice immediately at the beginning of the file, without modification,
10 * this list of conditions, and the following disclaimer.
11 * 2. The name of the author may not be used to endorse or promote products
12 * derived from this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SBus specific probe and attach routines for Qlogic ISP SCSI adapters.
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/linker.h>
37 #include <sys/firmware.h>
39 #include <sys/kernel.h>
40 #include <sys/module.h>
41 #include <sys/resource.h>
43 #include <dev/ofw/ofw_bus.h>
44 #include <dev/ofw/openfirm.h>
46 #include <machine/bus.h>
47 #include <machine/ofw_machdep.h>
48 #include <machine/resource.h>
50 #include <sparc64/sbus/sbusvar.h>
52 #include <dev/isp/isp_freebsd.h>
54 static uint32_t isp_sbus_rd_reg(ispsoftc_t *, int);
55 static void isp_sbus_wr_reg(ispsoftc_t *, int, uint32_t);
56 static int isp_sbus_rd_isr(ispsoftc_t *, uint16_t *, uint16_t *, uint16_t *);
57 static int isp_sbus_mbxdma(ispsoftc_t *);
58 static int isp_sbus_dmasetup(ispsoftc_t *, XS_T *, void *);
61 static void isp_sbus_reset0(ispsoftc_t *);
62 static void isp_sbus_reset1(ispsoftc_t *);
63 static void isp_sbus_dumpregs(ispsoftc_t *, const char *);
65 static struct ispmdvec mdvec = {
71 isp_common_dmateardown,
76 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
79 static int isp_sbus_probe (device_t);
80 static int isp_sbus_attach (device_t);
81 static int isp_sbus_detach (device_t);
84 #define ISP_SBD(isp) ((struct isp_sbussoftc *)isp)->sbus_dev
85 struct isp_sbussoftc {
88 struct resource * regs;
93 int16_t sbus_poff[_NREG_BLKS];
95 struct isp_spi sbus_spi;
96 struct ispmdvec sbus_mdvec;
100 static device_method_t isp_sbus_methods[] = {
101 /* Device interface */
102 DEVMETHOD(device_probe, isp_sbus_probe),
103 DEVMETHOD(device_attach, isp_sbus_attach),
104 DEVMETHOD(device_detach, isp_sbus_detach),
108 static driver_t isp_sbus_driver = {
109 "isp", isp_sbus_methods, sizeof (struct isp_sbussoftc)
111 static devclass_t isp_devclass;
112 DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0);
113 MODULE_DEPEND(isp, cam, 1, 1, 1);
114 MODULE_DEPEND(isp, firmware, 1, 1, 1);
117 isp_sbus_probe(device_t dev)
120 const char *name = ofw_bus_get_name(dev);
121 if (strcmp(name, "SUNW,isp") == 0 ||
122 strcmp(name, "QLGC,isp") == 0 ||
123 strcmp(name, "ptisp") == 0 ||
124 strcmp(name, "PTI,ptisp") == 0) {
130 if (isp_announced == 0 && bootverbose) {
131 printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
132 "Core Version %d.%d\n",
133 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
134 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
141 isp_sbus_attach(device_t dev)
143 int tval, isp_debug, role, ispburst, default_id;
144 struct isp_sbussoftc *sbs;
145 ispsoftc_t *isp = NULL;
149 sbs = device_get_softc(dev);
151 device_printf(dev, "cannot get softc\n");
156 sbs->sbus_mdvec = mdvec;
159 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
160 "role", &role) == 0 &&
161 ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) {
162 device_printf(dev, "setting role to 0x%x\n", role);
164 role = ISP_DEFAULT_ROLES;
167 sbs->irq = sbs->regs = NULL;
168 sbs->rgd = sbs->iqd = 0;
170 sbs->regs = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sbs->rgd,
172 if (sbs->regs == NULL) {
173 device_printf(dev, "unable to map registers\n");
177 sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
178 sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF;
179 sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF;
180 sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF;
181 sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
182 isp = &sbs->sbus_isp;
183 isp->isp_regs = sbs->regs;
184 isp->isp_mdvec = &sbs->sbus_mdvec;
185 isp->isp_bustype = ISP_BT_SBUS;
186 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
187 isp->isp_param = &sbs->sbus_param;
188 isp->isp_osinfo.pc.ptr = &sbs->sbus_spi;
189 isp->isp_revision = 0; /* XXX */
193 ISP_FC_PC(isp, 0)->def_role = role;
196 * Get the clock frequency and convert it from HZ to MHz,
197 * rounding up. This defaults to 25MHz if there isn't a
198 * device specific one in the OFW device tree.
200 sbs->sbus_mdvec.dv_clock = (sbus_get_clockfreq(dev) + 500000)/1000000;
203 * Now figure out what the proper burst sizes, etc., to use.
204 * Unfortunately, there is no ddi_dma_burstsizes here which
205 * walks up the tree finding the limiting burst size node (if
206 * any). We just use what's here for isp.
208 ispburst = sbus_get_burstsz(dev);
210 ispburst = SBUS_BURST_32 - 1;
212 sbs->sbus_mdvec.dv_conf1 = 0;
213 if (ispburst & (1 << 5)) {
214 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32;
215 } else if (ispburst & (1 << 4)) {
216 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16;
217 } else if (ispburst & (1 << 3)) {
218 sbs->sbus_mdvec.dv_conf1 =
219 BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8;
221 if (sbs->sbus_mdvec.dv_conf1) {
222 sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE;
226 * We don't trust NVRAM on SBus cards
228 isp->isp_confopts |= ISP_CFG_NONVRAM;
231 * Mark things if we're a PTI SBus adapter.
233 if (strcmp("PTI,ptisp", ofw_bus_get_name(dev)) == 0 ||
234 strcmp("ptisp", ofw_bus_get_name(dev)) == 0) {
235 SDPARAM(isp, 0)->isp_ptisp = 1;
238 isp->isp_osinfo.fw = firmware_get("isp_1000");
239 if (isp->isp_osinfo.fw) {
244 stupid.cp = isp->isp_osinfo.fw->data;
245 isp->isp_mdvec->dv_ispfw = stupid.sp;
249 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
250 "fwload_disable", &tval) == 0 && tval != 0) {
251 isp->isp_confopts |= ISP_CFG_NORELOAD;
255 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
256 "iid", &tval) == 0) {
258 isp->isp_confopts |= ISP_CFG_OWNLOOPID;
260 if (default_id == -1) {
261 default_id = OF_getscsinitid(dev);
263 ISP_SPI_PC(isp, 0)->iid = default_id;
266 (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
267 "debug", &isp_debug);
269 /* Make sure the lock is set up. */
270 mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
273 sbs->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sbs->iqd,
274 RF_ACTIVE | RF_SHAREABLE);
275 if (sbs->irq == NULL) {
276 device_printf(dev, "could not allocate interrupt\n");
280 if (isp_setup_intr(dev, sbs->irq, ISP_IFLAGS, NULL, isp_platform_intr,
282 device_printf(dev, "could not setup interrupt\n");
288 * Set up logging levels.
291 isp->isp_dblev = isp_debug;
293 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
296 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
300 * Make sure we're in reset state.
303 if (isp_reinit(isp, 1) != 0) {
309 if (isp_attach(isp)) {
319 if (sbs && ints_setup) {
320 (void) bus_teardown_intr(dev, sbs->irq, sbs->ih);
323 if (sbs && sbs->irq) {
324 bus_release_resource(dev, SYS_RES_IRQ, sbs->iqd, sbs->irq);
327 if (locksetup && isp) {
328 mtx_destroy(&isp->isp_osinfo.lock);
332 (void) bus_release_resource(dev, SYS_RES_MEMORY, sbs->rgd,
339 isp_sbus_detach(device_t dev)
341 struct isp_sbussoftc *sbs;
345 sbs = device_get_softc(dev);
349 isp = (ispsoftc_t *) sbs;
350 status = isp_detach(isp);
356 (void) bus_teardown_intr(dev, sbs->irq, sbs->ih);
359 mtx_destroy(&isp->isp_osinfo.lock);
360 (void) bus_release_resource(dev, SYS_RES_IRQ, sbs->iqd, sbs->irq);
361 (void) bus_release_resource(dev, SYS_RES_MEMORY, sbs->rgd, sbs->regs);
365 #define IspVirt2Off(a, x) \
366 (((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \
367 _BLK_REG_SHFT] + ((x) & 0xff))
369 #define BXR2(isp, off) bus_read_2((isp)->isp_regs, (off))
372 isp_sbus_rd_isr(ispsoftc_t *isp, uint16_t *isrp, uint16_t *semap, uint16_t *info)
376 isr = BXR2(isp, IspVirt2Off(isp, BIU_ISR));
377 sema = BXR2(isp, IspVirt2Off(isp, BIU_SEMA));
378 isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
379 isr &= INT_PENDING_MASK(isp);
380 sema &= BIU_SEMA_LOCK;
381 if (isr == 0 && sema == 0) {
385 if ((*semap = sema) != 0)
386 *info = BXR2(isp, IspVirt2Off(isp, OUTMAILBOX0));
391 isp_sbus_rd_reg(ispsoftc_t *isp, int regoff)
394 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
395 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
396 offset += (regoff & 0xff);
397 rval = BXR2(isp, offset);
398 isp_prt(isp, ISP_LOGDEBUG3,
399 "isp_sbus_rd_reg(off %x) = %x", regoff, rval);
404 isp_sbus_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
406 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
407 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
408 offset += (regoff & 0xff);
409 isp_prt(isp, ISP_LOGDEBUG3,
410 "isp_sbus_wr_reg(off %x) = %x", regoff, val);
411 bus_write_2(isp->isp_regs, offset, val);
412 MEMORYBARRIER(isp, SYNC_REG, offset, 2, -1);
420 static void imc(void *, bus_dma_segment_t *, int, int);
423 imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
425 struct imush *imushp = (struct imush *) arg;
427 if (!(imushp->error = error))
428 imushp->maddr = segs[0].ds_addr;
432 isp_sbus_mbxdma(ispsoftc_t *isp)
440 * Already been here? If so, leave...
442 if (isp->isp_rquest) {
448 len = sizeof (struct isp_pcmd) * isp->isp_maxcmds;
449 isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *)
450 malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
451 len = sizeof (isp_hdl_t *) * isp->isp_maxcmds;
452 isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
453 for (len = 0; len < isp->isp_maxcmds - 1; len++) {
454 isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
456 isp->isp_xffree = isp->isp_xflist;
457 len = sizeof (bus_dmamap_t) * isp->isp_maxcmds;
459 if (isp_dma_tag_create(BUS_DMA_ROOTARG(ISP_SBD(isp)), 1,
460 BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
461 BUS_SPACE_MAXADDR_32BIT, NULL, NULL, BUS_SPACE_MAXSIZE_32BIT,
462 ISP_NSEG_MAX, BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.dmat)) {
463 isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
468 * Allocate and map the request queue.
470 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
471 if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, BUS_SPACE_MAXADDR_24BIT+1,
472 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
473 len, 1, len, 0, &isp->isp_osinfo.reqdmat)) {
474 isp_prt(isp, ISP_LOGERR, "cannot create request DMA tag");
477 if (bus_dmamem_alloc(isp->isp_osinfo.reqdmat, (void **)&base,
478 BUS_DMA_COHERENT, &isp->isp_osinfo.reqmap) != 0) {
479 isp_prt(isp, ISP_LOGERR, "cannot allocate request DMA memory");
480 bus_dma_tag_destroy(isp->isp_osinfo.reqdmat);
484 if (bus_dmamap_load(isp->isp_osinfo.reqdmat, isp->isp_osinfo.reqmap,
485 base, len, imc, &im, 0) || im.error) {
486 isp_prt(isp, ISP_LOGERR, "error loading request DMA map %d", im.error);
489 isp_prt(isp, ISP_LOGDEBUG0, "request area @ 0x%jx/0x%jx",
490 (uintmax_t)im.maddr, (uintmax_t)len);
491 isp->isp_rquest = base;
492 isp->isp_rquest_dma = im.maddr;
495 * Allocate and map the result queue.
497 len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
498 if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, BUS_SPACE_MAXADDR_24BIT+1,
499 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
500 len, 1, len, 0, &isp->isp_osinfo.respdmat)) {
501 isp_prt(isp, ISP_LOGERR, "cannot create response DMA tag");
504 if (bus_dmamem_alloc(isp->isp_osinfo.respdmat, (void **)&base,
505 BUS_DMA_COHERENT, &isp->isp_osinfo.respmap) != 0) {
506 isp_prt(isp, ISP_LOGERR, "cannot allocate response DMA memory");
507 bus_dma_tag_destroy(isp->isp_osinfo.respdmat);
511 if (bus_dmamap_load(isp->isp_osinfo.respdmat, isp->isp_osinfo.respmap,
512 base, len, imc, &im, 0) || im.error) {
513 isp_prt(isp, ISP_LOGERR, "error loading response DMA map %d", im.error);
516 isp_prt(isp, ISP_LOGDEBUG0, "response area @ 0x%jx/0x%jx",
517 (uintmax_t)im.maddr, (uintmax_t)len);
518 isp->isp_result = base;
519 isp->isp_result_dma = im.maddr;
521 for (i = 0; i < isp->isp_maxcmds; i++) {
522 struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
523 error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
525 isp_prt(isp, ISP_LOGERR,
526 "error %d creating per-cmd DMA maps", error);
528 bus_dmamap_destroy(isp->isp_osinfo.dmat,
529 isp->isp_osinfo.pcmd_pool[i].dmap);
533 callout_init_mtx(&pcmd->wdog, &isp->isp_osinfo.lock, 0);
534 if (i == isp->isp_maxcmds-1) {
537 pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
540 isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
545 if (isp->isp_rquest_dma != 0) {
546 bus_dmamap_unload(isp->isp_osinfo.reqdmat,
547 isp->isp_osinfo.reqmap);
549 if (isp->isp_rquest != NULL) {
550 bus_dmamem_free(isp->isp_osinfo.reqdmat, isp->isp_rquest,
551 isp->isp_osinfo.reqmap);
552 bus_dma_tag_destroy(isp->isp_osinfo.reqdmat);
554 if (isp->isp_result_dma != 0) {
555 bus_dmamap_unload(isp->isp_osinfo.respdmat,
556 isp->isp_osinfo.respmap);
558 if (isp->isp_result != NULL) {
559 bus_dmamem_free(isp->isp_osinfo.respdmat, isp->isp_result,
560 isp->isp_osinfo.respmap);
561 bus_dma_tag_destroy(isp->isp_osinfo.respdmat);
563 free(isp->isp_xflist, M_DEVBUF);
564 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
565 isp->isp_rquest = NULL;
573 void *rq; /* original request */
578 #define MUSHERR_NOQENTRIES -2
580 static void dma2(void *, bus_dma_segment_t *, int, int);
583 dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
587 struct ccb_scsiio *csio;
596 csio = mp->cmd_token;
600 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
601 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
602 ddir = ISP_FROM_DEVICE;
603 } else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
604 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
605 ddir = ISP_TO_DEVICE;
615 if (isp_send_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir, NULL) != CMD_QUEUED) {
616 mp->error = MUSHERR_NOQENTRIES;
621 isp_sbus_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
624 void (*eptr)(void *, bus_dma_segment_t *, int, int);
629 mp->cmd_token = csio;
636 error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat,
637 PISP_PCMD(csio)->dmap, (union ccb *)csio, eptr, mp, 0);
638 if (error == EINPROGRESS) {
639 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
641 isp_prt(isp, ISP_LOGERR,
642 "deferred dma allocation not supported");
643 } else if (error && mp->error == 0) {
645 isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
650 int retval = CMD_COMPLETE;
651 if (mp->error == MUSHERR_NOQENTRIES) {
653 } else if (mp->error == EFBIG) {
654 XS_SETERR(csio, CAM_REQ_TOO_BIG);
655 } else if (mp->error == EINVAL) {
656 XS_SETERR(csio, CAM_REQ_INVALID);
658 XS_SETERR(csio, CAM_UNREC_HBA_ERROR);
666 isp_sbus_reset0(ispsoftc_t *isp)
668 ISP_DISABLE_INTS(isp);
672 isp_sbus_reset1(ispsoftc_t *isp)
674 ISP_ENABLE_INTS(isp);
678 isp_sbus_dumpregs(ispsoftc_t *isp, const char *msg)
681 printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
683 printf("%s:\n", device_get_nameunit(isp->isp_dev));
684 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
685 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
686 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
687 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
690 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
691 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
692 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
693 ISP_READ(isp, CDMA_FIFO_STS));
694 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
695 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
696 ISP_READ(isp, DDMA_FIFO_STS));
697 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
698 ISP_READ(isp, SXP_INTERRUPT),
699 ISP_READ(isp, SXP_GROSS_ERR),
700 ISP_READ(isp, SXP_PINS_CTRL));
701 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
702 printf(" mbox regs: %x %x %x %x %x\n",
703 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
704 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
705 ISP_READ(isp, OUTMAILBOX4));