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 *, uint32_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);
83 #define ISP_SBD(isp) ((struct isp_sbussoftc *)isp)->sbus_dev
84 struct isp_sbussoftc {
87 struct resource * sbus_reg;
89 int16_t sbus_poff[_NREG_BLKS];
91 struct isp_spi sbus_spi;
92 struct ispmdvec sbus_mdvec;
93 struct resource * sbus_ires;
97 static device_method_t isp_sbus_methods[] = {
98 /* Device interface */
99 DEVMETHOD(device_probe, isp_sbus_probe),
100 DEVMETHOD(device_attach, isp_sbus_attach),
104 static driver_t isp_sbus_driver = {
105 "isp", isp_sbus_methods, sizeof (struct isp_sbussoftc)
107 static devclass_t isp_devclass;
108 DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0);
111 isp_sbus_probe(device_t dev)
114 const char *name = ofw_bus_get_name(dev);
115 if (strcmp(name, "SUNW,isp") == 0 ||
116 strcmp(name, "QLGC,isp") == 0 ||
117 strcmp(name, "ptisp") == 0 ||
118 strcmp(name, "PTI,ptisp") == 0) {
124 if (isp_announced == 0 && bootverbose) {
125 printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
126 "Core Version %d.%d\n",
127 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
128 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
135 isp_sbus_attach(device_t dev)
137 struct resource *regs;
138 int tval, iqd, isp_debug, role, rid, ispburst, default_id;
139 struct isp_sbussoftc *sbs;
140 ispsoftc_t *isp = NULL;
145 * Figure out if we're supposed to skip this one.
146 * If we are, we actually go to ISP_ROLE_NONE.
150 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
151 "disable", &tval) == 0 && tval) {
152 device_printf(dev, "device is disabled\n");
153 /* but return 0 so the !$)$)*!$*) unit isn't reused */
158 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
159 "role", &role) == 0 &&
160 ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) {
161 device_printf(dev, "setting role to 0x%x\n", role);
163 role = ISP_DEFAULT_ROLES;
166 sbs = malloc(sizeof (*sbs), M_DEVBUF, M_NOWAIT | M_ZERO);
168 device_printf(dev, "cannot allocate softc\n");
175 regs = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
177 device_printf(dev, "unable to map registers\n");
181 sbs->sbus_reg = regs;
182 sbs->sbus_mdvec = mdvec;
184 sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
185 sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF;
186 sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF;
187 sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF;
188 sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
189 isp = &sbs->sbus_isp;
190 isp->isp_bus_tag = rman_get_bustag(regs);
191 isp->isp_bus_handle = rman_get_bushandle(regs);
192 isp->isp_mdvec = &sbs->sbus_mdvec;
193 isp->isp_bustype = ISP_BT_SBUS;
194 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
195 isp->isp_param = &sbs->sbus_param;
196 isp->isp_osinfo.pc.ptr = &sbs->sbus_spi;
197 isp->isp_revision = 0; /* XXX */
200 ISP_SET_PC(isp, 0, def_role, role);
203 * Get the clock frequency and convert it from HZ to MHz,
204 * rounding up. This defaults to 25MHz if there isn't a
205 * device specific one in the OFW device tree.
207 sbs->sbus_mdvec.dv_clock = (sbus_get_clockfreq(dev) + 500000)/1000000;
210 * Now figure out what the proper burst sizes, etc., to use.
211 * Unfortunately, there is no ddi_dma_burstsizes here which
212 * walks up the tree finding the limiting burst size node (if
213 * any). We just use what's here for isp.
215 ispburst = sbus_get_burstsz(dev);
217 ispburst = SBUS_BURST_32 - 1;
219 sbs->sbus_mdvec.dv_conf1 = 0;
220 if (ispburst & (1 << 5)) {
221 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32;
222 } else if (ispburst & (1 << 4)) {
223 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16;
224 } else if (ispburst & (1 << 3)) {
225 sbs->sbus_mdvec.dv_conf1 =
226 BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8;
228 if (sbs->sbus_mdvec.dv_conf1) {
229 sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE;
233 * We don't trust NVRAM on SBus cards
235 isp->isp_confopts |= ISP_CFG_NONVRAM;
238 * Mark things if we're a PTI SBus adapter.
240 if (strcmp("PTI,ptisp", ofw_bus_get_name(dev)) == 0 ||
241 strcmp("ptisp", ofw_bus_get_name(dev)) == 0) {
242 SDPARAM(isp, 0)->isp_ptisp = 1;
246 isp->isp_osinfo.fw = firmware_get("isp_1000");
247 if (isp->isp_osinfo.fw) {
252 stupid.cp = isp->isp_osinfo.fw->data;
253 isp->isp_mdvec->dv_ispfw = stupid.sp;
257 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
258 "fwload_disable", &tval) == 0 && tval != 0) {
259 isp->isp_confopts |= ISP_CFG_NORELOAD;
263 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
264 "iid", &tval) == 0) {
266 isp->isp_confopts |= ISP_CFG_OWNLOOPID;
268 if (default_id == -1) {
269 default_id = OF_getscsinitid(dev);
271 ISP_SPI_PC(isp, 0)->iid = default_id;
274 (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
275 "debug", &isp_debug);
277 /* Make sure the lock is set up. */
278 mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
282 sbs->sbus_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd,
283 RF_ACTIVE | RF_SHAREABLE);
284 if (sbs->sbus_ires == NULL) {
285 device_printf(dev, "could not allocate interrupt\n");
289 if (isp_setup_intr(dev, sbs->sbus_ires, ISP_IFLAGS, NULL,
290 isp_platform_intr, isp, &sbs->ih)) {
291 device_printf(dev, "could not setup interrupt\n");
297 * Set up logging levels.
300 isp->isp_dblev = isp_debug;
302 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
305 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
309 * Make sure we're in reset state.
313 if (isp->isp_state != ISP_RESETSTATE) {
319 if (isp->isp_state == ISP_INITSTATE) {
320 isp->isp_state = ISP_RUNSTATE;
323 if (isp_attach(isp)) {
333 if (sbs && ints_setup) {
334 (void) bus_teardown_intr(dev, sbs->sbus_ires, sbs->ih);
337 if (sbs && sbs->sbus_ires) {
338 bus_release_resource(dev, SYS_RES_IRQ, iqd, sbs->sbus_ires);
341 if (locksetup && isp) {
342 mtx_destroy(&isp->isp_osinfo.lock);
346 (void) bus_release_resource(dev, SYS_RES_MEMORY, 0, regs);
355 #define IspVirt2Off(a, x) \
356 (((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \
357 _BLK_REG_SHFT] + ((x) & 0xff))
359 #define BXR2(sbc, off) \
360 bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, off)
363 isp_sbus_rd_isr(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbp)
367 isr = BXR2(sbc, IspVirt2Off(isp, BIU_ISR));
368 sema = BXR2(sbc, IspVirt2Off(isp, BIU_SEMA));
369 isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
370 isr &= INT_PENDING_MASK(isp);
371 sema &= BIU_SEMA_LOCK;
372 if (isr == 0 && sema == 0) {
376 if ((*semap = sema) != 0) {
377 *mbp = BXR2(sbc, IspVirt2Off(isp, OUTMAILBOX0));
383 isp_sbus_rd_reg(ispsoftc_t *isp, int regoff)
386 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
387 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
388 offset += (regoff & 0xff);
389 rval = bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, offset);
390 isp_prt(isp, ISP_LOGDEBUG3,
391 "isp_sbus_rd_reg(off %x) = %x", regoff, rval);
396 isp_sbus_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
398 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
399 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
400 offset += (regoff & 0xff);
401 isp_prt(isp, ISP_LOGDEBUG3,
402 "isp_sbus_wr_reg(off %x) = %x", regoff, val);
403 bus_space_write_2(isp->isp_bus_tag, isp->isp_bus_handle, offset, val);
404 MEMORYBARRIER(isp, SYNC_REG, offset, 2);
412 static void imc(void *, bus_dma_segment_t *, int, int);
415 imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
417 struct imush *imushp = (struct imush *) arg;
419 imushp->error = error;
421 ispsoftc_t *isp =imushp->isp;
422 bus_addr_t addr = segs->ds_addr;
424 isp->isp_rquest_dma = addr;
425 addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
426 isp->isp_result_dma = addr;
431 isp_sbus_mbxdma(ispsoftc_t *isp)
439 * Already been here? If so, leave...
441 if (isp->isp_rquest) {
447 len = sizeof (struct isp_pcmd) * isp->isp_maxcmds;
448 isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *)
449 malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
450 if (isp->isp_osinfo.pcmd_pool == NULL) {
451 isp_prt(isp, ISP_LOGERR, "cannot alloc pcmd pool");
456 len = sizeof (isp_hdl_t *) * isp->isp_maxcmds;
457 isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
458 if (isp->isp_xflist == NULL) {
459 isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
463 for (len = 0; len < isp->isp_maxcmds - 1; len++) {
464 isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
466 isp->isp_xffree = isp->isp_xflist;
467 len = sizeof (bus_dmamap_t) * isp->isp_maxcmds;
469 if (isp_dma_tag_create(BUS_DMA_ROOTARG(ISP_SBD(isp)), 1,
470 BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
471 BUS_SPACE_MAXADDR_32BIT, NULL, NULL, BUS_SPACE_MAXSIZE_32BIT,
472 ISP_NSEGS, BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.dmat)) {
473 isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
474 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
475 free(isp->isp_xflist, M_DEVBUF);
481 * Allocate and map the request, result queues, plus FC scratch area.
483 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
484 len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
486 ns = (len / PAGE_SIZE) + 1;
487 if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN,
488 BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
489 BUS_SPACE_MAXADDR_32BIT, NULL, NULL, len, ns,
490 BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.cdmat)) {
491 isp_prt(isp, ISP_LOGERR,
492 "cannot create a dma tag for control spaces");
493 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
494 free(isp->isp_xflist, M_DEVBUF);
499 if (bus_dmamem_alloc(isp->isp_osinfo.cdmat, (void **)&base, BUS_DMA_NOWAIT,
500 &isp->isp_osinfo.cdmap) != 0) {
501 isp_prt(isp, ISP_LOGERR,
502 "cannot allocate %d bytes of CCB memory", len);
503 bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
504 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
505 free(isp->isp_xflist, M_DEVBUF);
510 for (i = 0; i < isp->isp_maxcmds; i++) {
511 struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
512 error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
514 isp_prt(isp, ISP_LOGERR,
515 "error %d creating per-cmd DMA maps", error);
517 bus_dmamap_destroy(isp->isp_osinfo.dmat,
518 isp->isp_osinfo.pcmd_pool[i].dmap);
522 callout_init_mtx(&pcmd->wdog, &isp->isp_osinfo.lock, 0);
523 if (i == isp->isp_maxcmds-1) {
526 pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
529 isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
533 bus_dmamap_load(isp->isp_osinfo.cdmat, isp->isp_osinfo.cdmap, base, len, imc, &im, 0);
535 isp_prt(isp, ISP_LOGERR,
536 "error %d loading dma map for control areas", im.error);
540 isp->isp_rquest = base;
541 base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
542 isp->isp_result = base;
547 bus_dmamem_free(isp->isp_osinfo.cdmat, base, isp->isp_osinfo.cdmap);
548 bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
549 free(isp->isp_xflist, M_DEVBUF);
550 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
551 isp->isp_rquest = NULL;
559 void *rq; /* original request */
564 #define MUSHERR_NOQENTRIES -2
566 static void dma2(void *, bus_dma_segment_t *, int, int);
569 dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
573 struct ccb_scsiio *csio;
582 csio = mp->cmd_token;
586 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
587 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
588 ddir = ISP_FROM_DEVICE;
589 } else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
590 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
591 ddir = ISP_TO_DEVICE;
601 if (isp_send_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir) != CMD_QUEUED) {
602 mp->error = MUSHERR_NOQENTRIES;
607 isp_sbus_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
610 void (*eptr)(void *, bus_dma_segment_t *, int, int);
614 mp->cmd_token = csio;
621 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE || (csio->dxfer_len == 0)) {
622 (*eptr)(mp, NULL, 0, 0);
623 } else if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
624 if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
626 error = bus_dmamap_load(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
628 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);
631 if (error == EINPROGRESS) {
632 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
634 isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
635 } else if (error && mp->error == 0) {
637 isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
642 /* Pointer to physical buffer */
643 struct bus_dma_segment seg;
644 seg.ds_addr = (bus_addr_t)(vm_offset_t)csio->data_ptr;
645 seg.ds_len = csio->dxfer_len;
646 (*eptr)(mp, &seg, 1, 0);
649 struct bus_dma_segment *segs;
651 if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) {
652 isp_prt(isp, ISP_LOGERR, "Physical segment pointers unsupported");
654 } else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
655 isp_prt(isp, ISP_LOGERR, "Physical SG/LIST Phys segment pointers unsupported");
658 /* Just use the segments provided */
659 segs = (struct bus_dma_segment *) csio->data_ptr;
660 (*eptr)(mp, segs, csio->sglist_cnt, 0);
664 int retval = CMD_COMPLETE;
665 if (mp->error == MUSHERR_NOQENTRIES) {
667 } else if (mp->error == EFBIG) {
668 XS_SETERR(csio, CAM_REQ_TOO_BIG);
669 } else if (mp->error == EINVAL) {
670 XS_SETERR(csio, CAM_REQ_INVALID);
672 XS_SETERR(csio, CAM_UNREC_HBA_ERROR);
680 isp_sbus_reset0(ispsoftc_t *isp)
682 ISP_DISABLE_INTS(isp);
686 isp_sbus_reset1(ispsoftc_t *isp)
688 ISP_ENABLE_INTS(isp);
692 isp_sbus_dumpregs(ispsoftc_t *isp, const char *msg)
695 printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
697 printf("%s:\n", device_get_nameunit(isp->isp_dev));
698 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
699 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
700 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
701 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
704 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
705 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
706 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
707 ISP_READ(isp, CDMA_FIFO_STS));
708 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
709 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
710 ISP_READ(isp, DDMA_FIFO_STS));
711 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
712 ISP_READ(isp, SXP_INTERRUPT),
713 ISP_READ(isp, SXP_GROSS_ERR),
714 ISP_READ(isp, SXP_PINS_CTRL));
715 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
716 printf(" mbox regs: %x %x %x %x %x\n",
717 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
718 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
719 ISP_READ(isp, OUTMAILBOX4));