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>
45 #include <machine/bus.h>
46 #include <machine/resource.h>
48 #include <sparc64/sbus/sbusvar.h>
50 #include <dev/isp/isp_freebsd.h>
52 static uint32_t isp_sbus_rd_reg(ispsoftc_t *, int);
53 static void isp_sbus_wr_reg(ispsoftc_t *, int, uint32_t);
54 static int isp_sbus_rd_isr(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
55 static int isp_sbus_mbxdma(ispsoftc_t *);
56 static int isp_sbus_dmasetup(ispsoftc_t *, XS_T *, void *);
59 static void isp_sbus_reset0(ispsoftc_t *);
60 static void isp_sbus_reset1(ispsoftc_t *);
61 static void isp_sbus_dumpregs(ispsoftc_t *, const char *);
63 static struct ispmdvec mdvec = {
69 isp_common_dmateardown,
74 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
77 static int isp_sbus_probe (device_t);
78 static int isp_sbus_attach (device_t);
81 #define ISP_SBD(isp) ((struct isp_sbussoftc *)isp)->sbus_dev
82 struct isp_sbussoftc {
85 struct resource * sbus_reg;
87 int16_t sbus_poff[_NREG_BLKS];
89 struct isp_spi sbus_spi;
90 struct ispmdvec sbus_mdvec;
91 struct resource * sbus_ires;
95 static device_method_t isp_sbus_methods[] = {
96 /* Device interface */
97 DEVMETHOD(device_probe, isp_sbus_probe),
98 DEVMETHOD(device_attach, isp_sbus_attach),
102 static driver_t isp_sbus_driver = {
103 "isp", isp_sbus_methods, sizeof (struct isp_sbussoftc)
105 static devclass_t isp_devclass;
106 DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0);
109 isp_sbus_probe(device_t dev)
112 const char *name = ofw_bus_get_name(dev);
113 if (strcmp(name, "SUNW,isp") == 0 ||
114 strcmp(name, "QLGC,isp") == 0 ||
115 strcmp(name, "ptisp") == 0 ||
116 strcmp(name, "PTI,ptisp") == 0) {
122 if (isp_announced == 0 && bootverbose) {
123 printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
124 "Core Version %d.%d\n",
125 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
126 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
133 isp_sbus_attach(device_t dev)
135 struct resource *regs;
136 int tval, iqd, isp_debug, role, rid, ispburst, default_id;
137 struct isp_sbussoftc *sbs;
138 ispsoftc_t *isp = NULL;
143 * Figure out if we're supposed to skip this one.
144 * If we are, we actually go to ISP_ROLE_NONE.
148 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
149 "disable", &tval) == 0 && tval) {
150 device_printf(dev, "device is disabled\n");
151 /* but return 0 so the !$)$)*!$*) unit isn't reused */
156 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
157 "role", &role) == 0 &&
158 ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) {
159 device_printf(dev, "setting role to 0x%x\n", role);
161 role = ISP_DEFAULT_ROLES;
164 sbs = malloc(sizeof (*sbs), M_DEVBUF, M_NOWAIT | M_ZERO);
166 device_printf(dev, "cannot allocate softc\n");
173 regs = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
175 device_printf(dev, "unable to map registers\n");
179 sbs->sbus_reg = regs;
180 sbs->sbus_mdvec = mdvec;
182 sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
183 sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF;
184 sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF;
185 sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF;
186 sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
187 isp = &sbs->sbus_isp;
188 isp->isp_bus_tag = rman_get_bustag(regs);
189 isp->isp_bus_handle = rman_get_bushandle(regs);
190 isp->isp_mdvec = &sbs->sbus_mdvec;
191 isp->isp_bustype = ISP_BT_SBUS;
192 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
193 isp->isp_param = &sbs->sbus_param;
194 isp->isp_osinfo.pc.ptr = &sbs->sbus_spi;
195 isp->isp_revision = 0; /* XXX */
198 ISP_SET_PC(isp, 0, role, role);
201 * Get the clock frequency and convert it from HZ to MHz,
202 * rounding up. This defaults to 25MHz if there isn't a
203 * device specific one in the OFW device tree.
205 sbs->sbus_mdvec.dv_clock = (sbus_get_clockfreq(dev) + 500000)/1000000;
208 * Now figure out what the proper burst sizes, etc., to use.
209 * Unfortunately, there is no ddi_dma_burstsizes here which
210 * walks up the tree finding the limiting burst size node (if
211 * any). We just use what's here for isp.
213 ispburst = sbus_get_burstsz(dev);
215 ispburst = SBUS_BURST_32 - 1;
217 sbs->sbus_mdvec.dv_conf1 = 0;
218 if (ispburst & (1 << 5)) {
219 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32;
220 } else if (ispburst & (1 << 4)) {
221 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16;
222 } else if (ispburst & (1 << 3)) {
223 sbs->sbus_mdvec.dv_conf1 =
224 BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8;
226 if (sbs->sbus_mdvec.dv_conf1) {
227 sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE;
231 * We don't trust NVRAM on SBus cards
233 isp->isp_confopts |= ISP_CFG_NONVRAM;
236 * Mark things if we're a PTI SBus adapter.
238 if (strcmp("PTI,ptisp", ofw_bus_get_name(dev)) == 0 ||
239 strcmp("ptisp", ofw_bus_get_name(dev)) == 0) {
240 SDPARAM(isp, 0)->isp_ptisp = 1;
244 isp->isp_osinfo.fw = firmware_get("isp_1000");
245 if (isp->isp_osinfo.fw) {
250 stupid.cp = isp->isp_osinfo.fw->data;
251 isp->isp_mdvec->dv_ispfw = stupid.sp;
255 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
256 "fwload_disable", &tval) == 0 && tval != 0) {
257 isp->isp_confopts |= ISP_CFG_NORELOAD;
261 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
262 "iid", &tval) == 0) {
264 isp->isp_confopts |= ISP_CFG_OWNLOOPID;
266 if (default_id == -1) {
268 * XXX: should be a way to get properties w/o having
269 * XXX: to call OF_xxx functions
273 ISP_SPI_PC(isp, 0)->iid = default_id;
276 (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
277 "debug", &isp_debug);
279 /* Make sure the lock is set up. */
280 mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
284 sbs->sbus_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd,
285 RF_ACTIVE | RF_SHAREABLE);
286 if (sbs->sbus_ires == NULL) {
287 device_printf(dev, "could not allocate interrupt\n");
291 if (isp_setup_intr(dev, sbs->sbus_ires, ISP_IFLAGS, NULL,
292 isp_platform_intr, isp, &sbs->ih)) {
293 device_printf(dev, "could not setup interrupt\n");
299 * Set up logging levels.
302 isp->isp_dblev = isp_debug;
304 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
307 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
311 * Make sure we're in reset state.
315 if (isp->isp_state != ISP_RESETSTATE) {
321 if (isp->isp_state == ISP_INITSTATE) {
322 isp->isp_state = ISP_RUNSTATE;
325 if (isp_attach(isp)) {
335 if (sbs && ints_setup) {
336 (void) bus_teardown_intr(dev, sbs->sbus_ires, sbs->ih);
339 if (sbs && sbs->sbus_ires) {
340 bus_release_resource(dev, SYS_RES_IRQ, iqd, sbs->sbus_ires);
343 if (locksetup && isp) {
344 mtx_destroy(&isp->isp_osinfo.lock);
348 (void) bus_release_resource(dev, SYS_RES_MEMORY, 0, regs);
357 #define IspVirt2Off(a, x) \
358 (((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \
359 _BLK_REG_SHFT] + ((x) & 0xff))
361 #define BXR2(sbc, off) \
362 bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, off)
365 isp_sbus_rd_isr(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbp)
369 isr = BXR2(sbc, IspVirt2Off(isp, BIU_ISR));
370 sema = BXR2(sbc, IspVirt2Off(isp, BIU_SEMA));
371 isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
372 isr &= INT_PENDING_MASK(isp);
373 sema &= BIU_SEMA_LOCK;
374 if (isr == 0 && sema == 0) {
378 if ((*semap = sema) != 0) {
379 *mbp = BXR2(sbc, IspVirt2Off(isp, OUTMAILBOX0));
385 isp_sbus_rd_reg(ispsoftc_t *isp, int regoff)
388 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
389 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
390 offset += (regoff & 0xff);
391 rval = bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, offset);
392 isp_prt(isp, ISP_LOGDEBUG3,
393 "isp_sbus_rd_reg(off %x) = %x", regoff, rval);
398 isp_sbus_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
400 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
401 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
402 offset += (regoff & 0xff);
403 isp_prt(isp, ISP_LOGDEBUG3,
404 "isp_sbus_wr_reg(off %x) = %x", regoff, val);
405 bus_space_write_2(isp->isp_bus_tag, isp->isp_bus_handle, offset, val);
406 MEMORYBARRIER(isp, SYNC_REG, offset, 2);
414 static void imc(void *, bus_dma_segment_t *, int, int);
417 imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
419 struct imush *imushp = (struct imush *) arg;
421 imushp->error = error;
423 ispsoftc_t *isp =imushp->isp;
424 bus_addr_t addr = segs->ds_addr;
426 isp->isp_rquest_dma = addr;
427 addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
428 isp->isp_result_dma = addr;
433 isp_sbus_mbxdma(ispsoftc_t *isp)
441 * Already been here? If so, leave...
443 if (isp->isp_rquest) {
449 len = sizeof (struct isp_pcmd) * isp->isp_maxcmds;
450 isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *)
451 malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
452 if (isp->isp_osinfo.pcmd_pool == NULL) {
453 isp_prt(isp, ISP_LOGERR, "cannot alloc pcmd pool");
458 len = sizeof (XS_T **) * isp->isp_maxcmds;
459 isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
460 if (isp->isp_xflist == NULL) {
461 isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
465 len = sizeof (bus_dmamap_t) * isp->isp_maxcmds;
467 if (isp_dma_tag_create(BUS_DMA_ROOTARG(ISP_SBD(isp)), 1,
468 BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
469 BUS_SPACE_MAXADDR_32BIT, NULL, NULL, BUS_SPACE_MAXSIZE_32BIT,
470 ISP_NSEGS, BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.dmat)) {
471 isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
472 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
473 free(isp->isp_xflist, M_DEVBUF);
479 * Allocate and map the request, result queues, plus FC scratch area.
481 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
482 len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
484 ns = (len / PAGE_SIZE) + 1;
485 if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN,
486 BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
487 BUS_SPACE_MAXADDR_32BIT, NULL, NULL, len, ns,
488 BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.cdmat)) {
489 isp_prt(isp, ISP_LOGERR,
490 "cannot create a dma tag for control spaces");
491 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
492 free(isp->isp_xflist, M_DEVBUF);
497 if (bus_dmamem_alloc(isp->isp_osinfo.cdmat, (void **)&base, BUS_DMA_NOWAIT,
498 &isp->isp_osinfo.cdmap) != 0) {
499 isp_prt(isp, ISP_LOGERR,
500 "cannot allocate %d bytes of CCB memory", len);
501 bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
502 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
503 free(isp->isp_xflist, M_DEVBUF);
508 for (i = 0; i < isp->isp_maxcmds; i++) {
509 struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
510 error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
512 isp_prt(isp, ISP_LOGERR,
513 "error %d creating per-cmd DMA maps", error);
515 bus_dmamap_destroy(isp->isp_osinfo.dmat,
516 isp->isp_osinfo.pcmd_pool[i].dmap);
520 callout_init_mtx(&pcmd->wdog, &isp->isp_osinfo.lock, 0);
521 if (i == isp->isp_maxcmds-1) {
524 pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
527 isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
531 bus_dmamap_load(isp->isp_osinfo.cdmat, isp->isp_osinfo.cdmap, base, len, imc, &im, 0);
533 isp_prt(isp, ISP_LOGERR,
534 "error %d loading dma map for control areas", im.error);
538 isp->isp_rquest = base;
539 base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
540 isp->isp_result = base;
545 bus_dmamem_free(isp->isp_osinfo.cdmat, base, isp->isp_osinfo.cdmap);
546 bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
547 free(isp->isp_xflist, M_DEVBUF);
548 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
549 isp->isp_rquest = NULL;
557 void *rq; /* original request */
562 #define MUSHERR_NOQENTRIES -2
564 static void dma2(void *, bus_dma_segment_t *, int, int);
567 dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
571 struct ccb_scsiio *csio;
580 csio = mp->cmd_token;
584 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
585 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
586 ddir = ISP_FROM_DEVICE;
587 } else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
588 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
589 ddir = ISP_TO_DEVICE;
599 if (isp_send_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir) != CMD_QUEUED) {
600 mp->error = MUSHERR_NOQENTRIES;
605 isp_sbus_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
608 void (*eptr)(void *, bus_dma_segment_t *, int, int);
612 mp->cmd_token = csio;
619 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE || (csio->dxfer_len == 0)) {
620 (*eptr)(mp, NULL, 0, 0);
621 } else if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
622 if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
624 error = bus_dmamap_load(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
626 xpt_print(csio->ccb_h.path, "%s: bus_dmamap_load " "ptr %p len %d returned %d\n", __func__, csio->data_ptr, csio->dxfer_len, error);
629 if (error == EINPROGRESS) {
630 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
632 isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
633 } else if (error && mp->error == 0) {
635 isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
640 /* Pointer to physical buffer */
641 struct bus_dma_segment seg;
642 seg.ds_addr = (bus_addr_t)(vm_offset_t)csio->data_ptr;
643 seg.ds_len = csio->dxfer_len;
644 (*eptr)(mp, &seg, 1, 0);
647 struct bus_dma_segment *segs;
649 if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) {
650 isp_prt(isp, ISP_LOGERR, "Physical segment pointers unsupported");
652 } else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
653 isp_prt(isp, ISP_LOGERR, "Physical SG/LIST Phys segment pointers unsupported");
656 /* Just use the segments provided */
657 segs = (struct bus_dma_segment *) csio->data_ptr;
658 (*eptr)(mp, segs, csio->sglist_cnt, 0);
662 int retval = CMD_COMPLETE;
663 if (mp->error == MUSHERR_NOQENTRIES) {
665 } else if (mp->error == EFBIG) {
666 XS_SETERR(csio, CAM_REQ_TOO_BIG);
667 } else if (mp->error == EINVAL) {
668 XS_SETERR(csio, CAM_REQ_INVALID);
670 XS_SETERR(csio, CAM_UNREC_HBA_ERROR);
678 isp_sbus_reset0(ispsoftc_t *isp)
680 ISP_DISABLE_INTS(isp);
684 isp_sbus_reset1(ispsoftc_t *isp)
686 ISP_ENABLE_INTS(isp);
690 isp_sbus_dumpregs(ispsoftc_t *isp, const char *msg)
693 printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
695 printf("%s:\n", device_get_nameunit(isp->isp_dev));
696 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
697 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
698 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
699 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
702 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
703 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
704 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
705 ISP_READ(isp, CDMA_FIFO_STS));
706 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
707 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
708 ISP_READ(isp, DDMA_FIFO_STS));
709 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
710 ISP_READ(isp, SXP_INTERRUPT),
711 ISP_READ(isp, SXP_GROSS_ERR),
712 ISP_READ(isp, SXP_PINS_CTRL));
713 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
714 printf(" mbox regs: %x %x %x %x %x\n",
715 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
716 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
717 ISP_READ(isp, OUTMAILBOX4));