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isp_pci.c revision 1.114
      1 /* $NetBSD: isp_pci.c,v 1.114 2011/02/28 17:17:55 mjacob Exp $ */
      2 /*
      3  * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration
      4  * All rights reserved.
      5  *
      6  * Additional Copyright (C) 2000-2007 by Matthew Jacob
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. The name of the author may not be used to endorse or promote products
     17  *    derived from this software without specific prior written permission
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 /*
     32  * PCI specific probe and attach routines for Qlogic ISP SCSI adapters.
     33  */
     34 
     35 /*
     36  * 24XX 4Gb material support provided by MetrumRG Associates.
     37  * Many thanks are due to them.
     38  */
     39 
     40 #include <sys/cdefs.h>
     41 __KERNEL_RCSID(0, "$NetBSD: isp_pci.c,v 1.114 2011/02/28 17:17:55 mjacob Exp $");
     42 
     43 #include <dev/ic/isp_netbsd.h>
     44 #include <dev/pci/pcireg.h>
     45 #include <dev/pci/pcivar.h>
     46 #include <dev/pci/pcidevs.h>
     47 #include <sys/reboot.h>
     48 
     49 static uint32_t isp_pci_rd_reg(struct ispsoftc *, int);
     50 static void isp_pci_wr_reg(struct ispsoftc *, int, uint32_t);
     51 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
     52 static uint32_t isp_pci_rd_reg_1080(struct ispsoftc *, int);
     53 static void isp_pci_wr_reg_1080(struct ispsoftc *, int, uint32_t);
     54 #endif
     55 #if !defined(ISP_DISABLE_2100_SUPPORT) && \
     56 	 !defined(ISP_DISABLE_2200_SUPPORT) && \
     57 	 !defined(ISP_DISABLE_1020_SUPPORT) && \
     58 	 !defined(ISP_DISABLE_1080_SUPPORT) && \
     59 	 !defined(ISP_DISABLE_12160_SUPPORT)
     60 static int
     61 isp_pci_rd_isr(struct ispsoftc *, uint32_t *, uint16_t *, uint16_t *);
     62 #endif
     63 #if !(defined(ISP_DISABLE_2300_SUPPORT) && defined(ISP_DISABLE_2322_SUPPORT))
     64 static int
     65 isp_pci_rd_isr_2300(struct ispsoftc *, uint32_t *, uint16_t *, uint16_t *);
     66 #endif
     67 #if !defined(ISP_DISABLE_2400_SUPPORT)
     68 static uint32_t isp_pci_rd_reg_2400(struct ispsoftc *, int);
     69 static void isp_pci_wr_reg_2400(struct ispsoftc *, int, uint32_t);
     70 static int
     71 isp_pci_rd_isr_2400(struct ispsoftc *, uint32_t *, uint16_t *, uint16_t *);
     72 #endif
     73 static int isp_pci_mbxdma(struct ispsoftc *);
     74 static int isp_pci_dmasetup(struct ispsoftc *, XS_T *, void *);
     75 static void isp_pci_dmateardown(struct ispsoftc *, XS_T *, uint32_t);
     76 static void isp_pci_reset0(struct ispsoftc *);
     77 static void isp_pci_reset1(struct ispsoftc *);
     78 static void isp_pci_dumpregs(struct ispsoftc *, const char *);
     79 static int isp_pci_intr(void *);
     80 
     81 #if	defined(ISP_DISABLE_1020_SUPPORT) || defined(ISP_DISABLE_FW)
     82 #define	ISP_1040_RISC_CODE	NULL
     83 #else
     84 #define	ISP_1040_RISC_CODE	(const uint16_t *) isp_1040_risc_code
     85 #include <dev/microcode/isp/asm_1040.h>
     86 #endif
     87 
     88 #if	defined(ISP_DISABLE_1080_SUPPORT) || defined(ISP_DISABLE_FW)
     89 #define	ISP_1080_RISC_CODE	NULL
     90 #else
     91 #define	ISP_1080_RISC_CODE	(const uint16_t *) isp_1080_risc_code
     92 #include <dev/microcode/isp/asm_1080.h>
     93 #endif
     94 
     95 #if	defined(ISP_DISABLE_12160_SUPPORT) || defined(ISP_DISABLE_FW)
     96 #define	ISP_12160_RISC_CODE	NULL
     97 #else
     98 #define	ISP_12160_RISC_CODE	(const uint16_t *) isp_12160_risc_code
     99 #include <dev/microcode/isp/asm_12160.h>
    100 #endif
    101 
    102 #if	defined(ISP_DISABLE_2100_SUPPORT) || defined(ISP_DISABLE_FW)
    103 #define	ISP_2100_RISC_CODE	NULL
    104 #else
    105 #define	ISP_2100_RISC_CODE	(const uint16_t *) isp_2100_risc_code
    106 #include <dev/microcode/isp/asm_2100.h>
    107 #endif
    108 
    109 #if	defined(ISP_DISABLE_2200_SUPPORT) || defined(ISP_DISABLE_FW)
    110 #define	ISP_2200_RISC_CODE	NULL
    111 #else
    112 #define	ISP_2200_RISC_CODE	(const uint16_t *) isp_2200_risc_code
    113 #include <dev/microcode/isp/asm_2200.h>
    114 #endif
    115 
    116 #if	defined(ISP_DISABLE_2300_SUPPORT) || defined(ISP_DISABLE_FW)
    117 #define	ISP_2300_RISC_CODE	NULL
    118 #else
    119 #define	ISP_2300_RISC_CODE	(const uint16_t *) isp_2300_risc_code
    120 #include <dev/microcode/isp/asm_2300.h>
    121 #endif
    122 #if	defined(ISP_DISABLE_2322_SUPPORT) || defined(ISP_DISABLE_FW)
    123 #define	ISP_2322_RISC_CODE	NULL
    124 #else
    125 #define	ISP_2322_RISC_CODE	(const uint16_t *) isp_2322_risc_code
    126 #include <dev/microcode/isp/asm_2322.h>
    127 #endif
    128 
    129 #if	defined(ISP_DISABLE_2400_SUPPORT) || defined(ISP_DISABLE_FW)
    130 #define	ISP_2400_RISC_CODE	NULL
    131 #define	ISP_2500_RISC_CODE	NULL
    132 #else
    133 #define	ISP_2500
    134 #define	ISP_2400
    135 #define	ISP_2400_RISC_CODE	(const uint32_t *) isp_2400_risc_code
    136 #define	ISP_2500_RISC_CODE	(const uint32_t *) isp_2500_risc_code
    137 #include <dev/microcode/isp/asm_2400.h>
    138 #include <dev/microcode/isp/asm_2500.h>
    139 #endif
    140 
    141 #ifndef	ISP_DISABLE_1020_SUPPORT
    142 static struct ispmdvec mdvec = {
    143 	isp_pci_rd_isr,
    144 	isp_pci_rd_reg,
    145 	isp_pci_wr_reg,
    146 	isp_pci_mbxdma,
    147 	isp_pci_dmasetup,
    148 	isp_pci_dmateardown,
    149 	isp_pci_reset0,
    150 	isp_pci_reset1,
    151 	isp_pci_dumpregs,
    152 	ISP_1040_RISC_CODE,
    153 	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64,
    154 	0
    155 };
    156 #endif
    157 
    158 #ifndef	ISP_DISABLE_1080_SUPPORT
    159 static struct ispmdvec mdvec_1080 = {
    160 	isp_pci_rd_isr,
    161 	isp_pci_rd_reg_1080,
    162 	isp_pci_wr_reg_1080,
    163 	isp_pci_mbxdma,
    164 	isp_pci_dmasetup,
    165 	isp_pci_dmateardown,
    166 	isp_pci_reset0,
    167 	isp_pci_reset1,
    168 	isp_pci_dumpregs,
    169 	ISP_1080_RISC_CODE,
    170 	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64,
    171 	0
    172 };
    173 #endif
    174 
    175 #ifndef	ISP_DISABLE_12160_SUPPORT
    176 static struct ispmdvec mdvec_12160 = {
    177 	isp_pci_rd_isr,
    178 	isp_pci_rd_reg_1080,
    179 	isp_pci_wr_reg_1080,
    180 	isp_pci_mbxdma,
    181 	isp_pci_dmasetup,
    182 	isp_pci_dmateardown,
    183 	isp_pci_reset0,
    184 	isp_pci_reset1,
    185 	isp_pci_dumpregs,
    186 	ISP_12160_RISC_CODE,
    187 	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64,
    188 	0
    189 };
    190 #endif
    191 
    192 #ifndef	ISP_DISABLE_2100_SUPPORT
    193 static struct ispmdvec mdvec_2100 = {
    194 	isp_pci_rd_isr,
    195 	isp_pci_rd_reg,
    196 	isp_pci_wr_reg,
    197 	isp_pci_mbxdma,
    198 	isp_pci_dmasetup,
    199 	isp_pci_dmateardown,
    200 	isp_pci_reset0,
    201 	isp_pci_reset1,
    202 	isp_pci_dumpregs,
    203 	ISP_2100_RISC_CODE,
    204 	0,
    205 	0
    206 };
    207 #endif
    208 
    209 #ifndef	ISP_DISABLE_2200_SUPPORT
    210 static struct ispmdvec mdvec_2200 = {
    211 	isp_pci_rd_isr,
    212 	isp_pci_rd_reg,
    213 	isp_pci_wr_reg,
    214 	isp_pci_mbxdma,
    215 	isp_pci_dmasetup,
    216 	isp_pci_dmateardown,
    217 	isp_pci_reset0,
    218 	isp_pci_reset1,
    219 	isp_pci_dumpregs,
    220 	ISP_2200_RISC_CODE,
    221 	0,
    222 	0
    223 };
    224 #endif
    225 
    226 #ifndef ISP_DISABLE_2300_SUPPORT
    227 static struct ispmdvec mdvec_2300 = {
    228 	isp_pci_rd_isr_2300,
    229 	isp_pci_rd_reg,
    230 	isp_pci_wr_reg,
    231 	isp_pci_mbxdma,
    232 	isp_pci_dmasetup,
    233 	isp_pci_dmateardown,
    234 	isp_pci_reset0,
    235 	isp_pci_reset1,
    236 	isp_pci_dumpregs,
    237 	ISP_2300_RISC_CODE,
    238 	0,
    239 	0
    240 };
    241 #endif
    242 
    243 #ifndef ISP_DISABLE_2322_SUPPORT
    244 static struct ispmdvec mdvec_2322 = {
    245 	isp_pci_rd_isr_2300,
    246 	isp_pci_rd_reg,
    247 	isp_pci_wr_reg,
    248 	isp_pci_mbxdma,
    249 	isp_pci_dmasetup,
    250 	isp_pci_dmateardown,
    251 	isp_pci_reset0,
    252 	isp_pci_reset1,
    253 	isp_pci_dumpregs,
    254 	ISP_2322_RISC_CODE,
    255 	0,
    256 	0
    257 };
    258 #endif
    259 
    260 #ifndef	ISP_DISABLE_2400_SUPPORT
    261 static struct ispmdvec mdvec_2400 = {
    262 	isp_pci_rd_isr_2400,
    263 	isp_pci_rd_reg_2400,
    264 	isp_pci_wr_reg_2400,
    265 	isp_pci_mbxdma,
    266 	isp_pci_dmasetup,
    267 	isp_pci_dmateardown,
    268 	isp_pci_reset0,
    269 	isp_pci_reset1,
    270 	NULL,
    271 	ISP_2400_RISC_CODE,
    272 	0,
    273 	0
    274 };
    275 static struct ispmdvec mdvec_2500 = {
    276 	isp_pci_rd_isr_2400,
    277 	isp_pci_rd_reg_2400,
    278 	isp_pci_wr_reg_2400,
    279 	isp_pci_mbxdma,
    280 	isp_pci_dmasetup,
    281 	isp_pci_dmateardown,
    282 	isp_pci_reset0,
    283 	isp_pci_reset1,
    284 	NULL,
    285 	ISP_2500_RISC_CODE,
    286 	0,
    287 	0
    288 };
    289 #endif
    290 
    291 #ifndef	PCI_VENDOR_QLOGIC
    292 #define	PCI_VENDOR_QLOGIC	0x1077
    293 #endif
    294 
    295 #ifndef	PCI_PRODUCT_QLOGIC_ISP1020
    296 #define	PCI_PRODUCT_QLOGIC_ISP1020	0x1020
    297 #endif
    298 
    299 #ifndef	PCI_PRODUCT_QLOGIC_ISP1080
    300 #define	PCI_PRODUCT_QLOGIC_ISP1080	0x1080
    301 #endif
    302 
    303 #ifndef	PCI_PRODUCT_QLOGIC_ISP1240
    304 #define	PCI_PRODUCT_QLOGIC_ISP1240	0x1240
    305 #endif
    306 
    307 #ifndef	PCI_PRODUCT_QLOGIC_ISP1280
    308 #define	PCI_PRODUCT_QLOGIC_ISP1280	0x1280
    309 #endif
    310 
    311 #ifndef	PCI_PRODUCT_QLOGIC_ISP10160
    312 #define	PCI_PRODUCT_QLOGIC_ISP10160	0x1016
    313 #endif
    314 
    315 #ifndef	PCI_PRODUCT_QLOGIC_ISP12160
    316 #define	PCI_PRODUCT_QLOGIC_ISP12160	0x1216
    317 #endif
    318 
    319 #ifndef	PCI_PRODUCT_QLOGIC_ISP2100
    320 #define	PCI_PRODUCT_QLOGIC_ISP2100	0x2100
    321 #endif
    322 
    323 #ifndef	PCI_PRODUCT_QLOGIC_ISP2200
    324 #define	PCI_PRODUCT_QLOGIC_ISP2200	0x2200
    325 #endif
    326 
    327 #ifndef	PCI_PRODUCT_QLOGIC_ISP2300
    328 #define	PCI_PRODUCT_QLOGIC_ISP2300	0x2300
    329 #endif
    330 
    331 #ifndef	PCI_PRODUCT_QLOGIC_ISP2312
    332 #define	PCI_PRODUCT_QLOGIC_ISP2312	0x2312
    333 #endif
    334 
    335 #ifndef	PCI_PRODUCT_QLOGIC_ISP2322
    336 #define	PCI_PRODUCT_QLOGIC_ISP2322	0x2322
    337 #endif
    338 
    339 #ifndef	PCI_PRODUCT_QLOGIC_ISP2422
    340 #define	PCI_PRODUCT_QLOGIC_ISP2422	0x2422
    341 #endif
    342 
    343 #ifndef	PCI_PRODUCT_QLOGIC_ISP2432
    344 #define	PCI_PRODUCT_QLOGIC_ISP2432	0x2432
    345 #endif
    346 
    347 #ifndef	PCI_PRODUCT_QLOGIC_ISP2532
    348 #define	PCI_PRODUCT_QLOGIC_ISP2532	0x2532
    349 #endif
    350 
    351 #ifndef	PCI_PRODUCT_QLOGIC_ISP6312
    352 #define	PCI_PRODUCT_QLOGIC_ISP6312	0x6312
    353 #endif
    354 
    355 #ifndef	PCI_PRODUCT_QLOGIC_ISP6322
    356 #define	PCI_PRODUCT_QLOGIC_ISP6322	0x6322
    357 #endif
    358 
    359 
    360 #define	PCI_QLOGIC_ISP	((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
    361 
    362 #define	PCI_QLOGIC_ISP1080	\
    363 	((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
    364 
    365 #define	PCI_QLOGIC_ISP10160	\
    366 	((PCI_PRODUCT_QLOGIC_ISP10160 << 16) | PCI_VENDOR_QLOGIC)
    367 
    368 #define	PCI_QLOGIC_ISP12160	\
    369 	((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
    370 
    371 #define	PCI_QLOGIC_ISP1240	\
    372 	((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
    373 
    374 #define	PCI_QLOGIC_ISP1280	\
    375 	((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
    376 
    377 #define	PCI_QLOGIC_ISP2100	\
    378 	((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
    379 
    380 #define	PCI_QLOGIC_ISP2200	\
    381 	((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
    382 
    383 #define	PCI_QLOGIC_ISP2300	\
    384 	((PCI_PRODUCT_QLOGIC_ISP2300 << 16) | PCI_VENDOR_QLOGIC)
    385 
    386 #define	PCI_QLOGIC_ISP2312	\
    387 	((PCI_PRODUCT_QLOGIC_ISP2312 << 16) | PCI_VENDOR_QLOGIC)
    388 
    389 #define	PCI_QLOGIC_ISP2322	\
    390 	((PCI_PRODUCT_QLOGIC_ISP2322 << 16) | PCI_VENDOR_QLOGIC)
    391 
    392 #define	PCI_QLOGIC_ISP2422	\
    393 	((PCI_PRODUCT_QLOGIC_ISP2422 << 16) | PCI_VENDOR_QLOGIC)
    394 
    395 #define	PCI_QLOGIC_ISP2432	\
    396 	((PCI_PRODUCT_QLOGIC_ISP2432 << 16) | PCI_VENDOR_QLOGIC)
    397 
    398 #define	PCI_QLOGIC_ISP2532	\
    399 	((PCI_PRODUCT_QLOGIC_ISP2532 << 16) | PCI_VENDOR_QLOGIC)
    400 
    401 #define	PCI_QLOGIC_ISP6312	\
    402 	((PCI_PRODUCT_QLOGIC_ISP6312 << 16) | PCI_VENDOR_QLOGIC)
    403 
    404 #define	PCI_QLOGIC_ISP6322	\
    405 	((PCI_PRODUCT_QLOGIC_ISP6322 << 16) | PCI_VENDOR_QLOGIC)
    406 
    407 #define	IO_MAP_REG	0x10
    408 #define	MEM_MAP_REG	0x14
    409 #define	PCIR_ROMADDR	0x30
    410 
    411 #define	PCI_DFLT_LTNCY	0x40
    412 #define	PCI_DFLT_LNSZ	0x10
    413 
    414 static int isp_pci_probe(device_t, cfdata_t, void *);
    415 static void isp_pci_attach(device_t, device_t, void *);
    416 
    417 struct isp_pcisoftc {
    418 	struct ispsoftc		pci_isp;
    419 	pci_chipset_tag_t	pci_pc;
    420 	pcitag_t		pci_tag;
    421 	bus_space_tag_t		pci_st;
    422 	bus_space_handle_t	pci_sh;
    423 	bus_dmamap_t		*pci_xfer_dmap;
    424 	void *			pci_ih;
    425 	int16_t			pci_poff[_NREG_BLKS];
    426 };
    427 
    428 CFATTACH_DECL_NEW(isp_pci, sizeof (struct isp_pcisoftc),
    429     isp_pci_probe, isp_pci_attach, NULL, NULL);
    430 
    431 static int
    432 isp_pci_probe(device_t parent, cfdata_t match, void *aux)
    433 {
    434 	struct pci_attach_args *pa = aux;
    435 	switch (pa->pa_id) {
    436 #ifndef	ISP_DISABLE_1020_SUPPORT
    437 	case PCI_QLOGIC_ISP:
    438 		return (1);
    439 #endif
    440 #ifndef	ISP_DISABLE_1080_SUPPORT
    441 	case PCI_QLOGIC_ISP1080:
    442 	case PCI_QLOGIC_ISP1240:
    443 	case PCI_QLOGIC_ISP1280:
    444 		return (1);
    445 #endif
    446 #ifndef	ISP_DISABLE_12160_SUPPORT
    447 	case PCI_QLOGIC_ISP10160:
    448 	case PCI_QLOGIC_ISP12160:
    449 		return (1);
    450 #endif
    451 #ifndef	ISP_DISABLE_2100_SUPPORT
    452 	case PCI_QLOGIC_ISP2100:
    453 		return (1);
    454 #endif
    455 #ifndef	ISP_DISABLE_2200_SUPPORT
    456 	case PCI_QLOGIC_ISP2200:
    457 		return (1);
    458 #endif
    459 #ifndef	ISP_DISABLE_2300_SUPPORT
    460 	case PCI_QLOGIC_ISP2300:
    461 	case PCI_QLOGIC_ISP2312:
    462 	case PCI_QLOGIC_ISP6312:
    463 #endif
    464 #ifndef	ISP_DISABLE_2322_SUPPORT
    465 	case PCI_QLOGIC_ISP2322:
    466 	case PCI_QLOGIC_ISP6322:
    467 		return (1);
    468 #endif
    469 #ifndef	ISP_DISABLE_2400_SUPPORT
    470 	case PCI_QLOGIC_ISP2422:
    471 	case PCI_QLOGIC_ISP2432:
    472 	case PCI_QLOGIC_ISP2532:
    473 		return (1);
    474 #endif
    475 	default:
    476 		return (0);
    477 	}
    478 }
    479 
    480 static void
    481 isp_pci_attach(device_t parent, device_t self, void *aux)
    482 {
    483 	static const char nomem[] = "\n%s: no mem for sdparam table\n";
    484 	uint32_t data, rev, linesz = PCI_DFLT_LNSZ;
    485 	struct pci_attach_args *pa = aux;
    486 	struct isp_pcisoftc *pcs = device_private(self);
    487 	struct ispsoftc *isp = &pcs->pci_isp;
    488 	bus_space_tag_t st, iot, memt;
    489 	bus_space_handle_t sh, ioh, memh;
    490 	pci_intr_handle_t ih;
    491 	pcireg_t mem_type;
    492 	const char *dstring;
    493 	const char *intrstr;
    494 	int ioh_valid, memh_valid;
    495 	size_t mamt;
    496 
    497 	isp->isp_osinfo.dev = self;
    498 
    499 	ioh_valid = (pci_mapreg_map(pa, IO_MAP_REG,
    500 	    PCI_MAPREG_TYPE_IO, 0,
    501 	    &iot, &ioh, NULL, NULL) == 0);
    502 
    503 	mem_type = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MEM_MAP_REG);
    504 	if (PCI_MAPREG_TYPE(mem_type) != PCI_MAPREG_TYPE_MEM) {
    505 		memh_valid = 0;
    506 	} else if (PCI_MAPREG_MEM_TYPE(mem_type) != PCI_MAPREG_MEM_TYPE_32BIT &&
    507 	    PCI_MAPREG_MEM_TYPE(mem_type) != PCI_MAPREG_MEM_TYPE_64BIT) {
    508 		memh_valid = 0;
    509 	} else {
    510 		memh_valid = (pci_mapreg_map(pa, MEM_MAP_REG, mem_type, 0,
    511 		    &memt, &memh, NULL, NULL) == 0);
    512 	}
    513 	if (memh_valid) {
    514 		st = memt;
    515 		sh = memh;
    516 	} else if (ioh_valid) {
    517 		st = iot;
    518 		sh = ioh;
    519 	} else {
    520 		printf(": unable to map device registers\n");
    521 		return;
    522 	}
    523 	dstring = "\n";
    524 
    525 	isp->isp_nchan = 1;
    526 	mamt = 0;
    527 
    528 	pcs->pci_st = st;
    529 	pcs->pci_sh = sh;
    530 	pcs->pci_pc = pa->pa_pc;
    531 	pcs->pci_tag = pa->pa_tag;
    532 	pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
    533 	pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
    534 	pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
    535 	pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
    536 	pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
    537 	rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0xff;
    538 
    539 
    540 #ifndef	ISP_DISABLE_1020_SUPPORT
    541 	if (pa->pa_id == PCI_QLOGIC_ISP) {
    542 		dstring = ": QLogic 1020 Fast Wide SCSI HBA\n";
    543 		isp->isp_mdvec = &mdvec;
    544 		isp->isp_type = ISP_HA_SCSI_UNKNOWN;
    545 		mamt = sizeof (sdparam);
    546 	}
    547 #endif
    548 #ifndef	ISP_DISABLE_1080_SUPPORT
    549 	if (pa->pa_id == PCI_QLOGIC_ISP1080) {
    550 		dstring = ": QLogic 1080 Ultra-2 Wide SCSI HBA\n";
    551 		isp->isp_mdvec = &mdvec_1080;
    552 		isp->isp_type = ISP_HA_SCSI_1080;
    553 		mamt = sizeof (sdparam);
    554 		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
    555 		    ISP1080_DMA_REGS_OFF;
    556 	}
    557 	if (pa->pa_id == PCI_QLOGIC_ISP1240) {
    558 		dstring = ": QLogic Dual Channel Ultra Wide SCSI HBA\n";
    559 		isp->isp_mdvec = &mdvec_1080;
    560 		isp->isp_type = ISP_HA_SCSI_1240;
    561 		isp->isp_nchan++;
    562 		mamt = sizeof (sdparam) * 2;
    563 		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
    564 		    ISP1080_DMA_REGS_OFF;
    565 	}
    566 	if (pa->pa_id == PCI_QLOGIC_ISP1280) {
    567 		dstring = ": QLogic Dual Channel Ultra-2 Wide SCSI HBA\n";
    568 		isp->isp_mdvec = &mdvec_1080;
    569 		isp->isp_type = ISP_HA_SCSI_1280;
    570 		isp->isp_nchan++;
    571 		mamt = sizeof (sdparam) * 2;
    572 		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
    573 		    ISP1080_DMA_REGS_OFF;
    574 	}
    575 #endif
    576 #ifndef	ISP_DISABLE_12160_SUPPORT
    577 	if (pa->pa_id == PCI_QLOGIC_ISP10160) {
    578 		dstring = ": QLogic Ultra-3 Wide SCSI HBA\n";
    579 		isp->isp_mdvec = &mdvec_12160;
    580 		isp->isp_type = ISP_HA_SCSI_10160;
    581 		mamt = sizeof (sdparam);
    582 		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
    583 		    ISP1080_DMA_REGS_OFF;
    584 	}
    585 	if (pa->pa_id == PCI_QLOGIC_ISP12160) {
    586 		dstring = ": QLogic Dual Channel Ultra-3 Wide SCSI HBA\n";
    587 		isp->isp_mdvec = &mdvec_12160;
    588 		isp->isp_type = ISP_HA_SCSI_12160;
    589 		isp->isp_nchan++;
    590 		mamt = sizeof (sdparam) * 2;
    591 		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
    592 		    ISP1080_DMA_REGS_OFF;
    593 	}
    594 #endif
    595 #ifndef	ISP_DISABLE_2100_SUPPORT
    596 	if (pa->pa_id == PCI_QLOGIC_ISP2100) {
    597 		dstring = ": QLogic FC-AL HBA\n";
    598 		isp->isp_mdvec = &mdvec_2100;
    599 		isp->isp_type = ISP_HA_FC_2100;
    600 		mamt = sizeof (fcparam);
    601 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
    602 		    PCI_MBOX_REGS2100_OFF;
    603 		if (rev < 3) {
    604 			/*
    605 			 * XXX: Need to get the actual revision
    606 			 * XXX: number of the 2100 FB. At any rate,
    607 			 * XXX: lower cache line size for early revision
    608 			 * XXX; boards.
    609 			 */
    610 			linesz = 1;
    611 		}
    612 	}
    613 #endif
    614 #ifndef	ISP_DISABLE_2200_SUPPORT
    615 	if (pa->pa_id == PCI_QLOGIC_ISP2200) {
    616 		dstring = ": QLogic FC-AL and Fabric HBA\n";
    617 		isp->isp_mdvec = &mdvec_2200;
    618 		isp->isp_type = ISP_HA_FC_2200;
    619 		mamt = sizeof (fcparam);
    620 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
    621 		    PCI_MBOX_REGS2100_OFF;
    622 		data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
    623 	}
    624 #endif
    625 #ifndef	ISP_DISABLE_2300_SUPPORT
    626 	if (pa->pa_id == PCI_QLOGIC_ISP2300 ||
    627 	    pa->pa_id == PCI_QLOGIC_ISP2312 ||
    628 	    pa->pa_id == PCI_QLOGIC_ISP6312) {
    629 		isp->isp_mdvec = &mdvec_2300;
    630 		if (pa->pa_id == PCI_QLOGIC_ISP2300 ||
    631 		    pa->pa_id == PCI_QLOGIC_ISP6312) {
    632 			dstring = ": QLogic FC-AL and 2Gbps Fabric HBA\n";
    633 			isp->isp_type = ISP_HA_FC_2300;
    634 		} else {
    635 			dstring =
    636 			    ": QLogic Dual Port FC-AL and 2Gbps Fabric HBA\n";
    637 			isp->isp_port = pa->pa_function;
    638 		}
    639 		isp->isp_type = ISP_HA_FC_2312;
    640 		mamt = sizeof (fcparam);
    641 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
    642 		    PCI_MBOX_REGS2300_OFF;
    643 		data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
    644 	}
    645 #endif
    646 #ifndef	ISP_DISABLE_2322_SUPPORT
    647 	if (pa->pa_id == PCI_QLOGIC_ISP2322 ||
    648 	    pa->pa_id == PCI_QLOGIC_ISP6322) {
    649 		isp->isp_mdvec = &mdvec_2322;
    650 		dstring = ": QLogic FC-AL and 2Gbps Fabric PCI-E HBA\n";
    651 		isp->isp_type = ISP_HA_FC_2322;
    652 		isp->isp_port = pa->pa_function;
    653 		mamt = sizeof (fcparam);
    654 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
    655 		    PCI_MBOX_REGS2300_OFF;
    656 		data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
    657 	}
    658 #endif
    659 #ifndef	ISP_DISABLE_2400_SUPPORT
    660 	if (pa->pa_id == PCI_QLOGIC_ISP2422 ||
    661 	    pa->pa_id == PCI_QLOGIC_ISP2432) {
    662 		isp->isp_mdvec = &mdvec_2400;
    663 		if (pa->pa_id == PCI_QLOGIC_ISP2422) {
    664 			dstring = ": QLogic FC-AL and 4Gbps Fabric PCI-X HBA\n";
    665 		} else {
    666 			dstring = ": QLogic FC-AL and 4Gbps Fabric PCI-E HBA\n";
    667 		}
    668 		isp->isp_type = ISP_HA_FC_2400;
    669 		isp->isp_port = pa->pa_function;
    670 		mamt = sizeof (fcparam);
    671 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
    672 		    PCI_MBOX_REGS2400_OFF;
    673 		data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
    674 	}
    675 	if (pa->pa_id == PCI_QLOGIC_ISP2532) {
    676 		isp->isp_mdvec = &mdvec_2500;
    677 		dstring = ": QLogic FC-AL and 8Gbps Fabric PCI-E HBA\n";
    678 		isp->isp_type = ISP_HA_FC_2500;
    679 		isp->isp_port = pa->pa_function;
    680 		mamt = sizeof (fcparam);
    681 		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
    682 		    PCI_MBOX_REGS2400_OFF;
    683 		data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
    684 	}
    685 #endif
    686 	if (mamt == 0) {
    687 		return;
    688 	}
    689 
    690 	isp->isp_param = malloc(mamt, M_DEVBUF, M_NOWAIT);
    691 	if (isp->isp_param == NULL) {
    692 		printf(nomem, device_xname(self));
    693 		return;
    694 	}
    695 	memset(isp->isp_param, 0, mamt);
    696 	mamt = sizeof (struct scsipi_channel) * isp->isp_nchan;
    697 	isp->isp_osinfo.chan = malloc(mamt, M_DEVBUF, M_NOWAIT);
    698 	if (isp->isp_osinfo.chan == NULL) {
    699 		free(isp->isp_param, M_DEVBUF);
    700 		printf(nomem, device_xname(self));
    701 		return;
    702 	}
    703 	memset(isp->isp_osinfo.chan, 0, mamt);
    704 	isp->isp_osinfo.adapter.adapt_nchannels = isp->isp_nchan;
    705 
    706 	/*
    707 	 * Set up logging levels.
    708 	 */
    709 #ifdef	ISP_LOGDEFAULT
    710 	isp->isp_dblev = ISP_LOGDEFAULT;
    711 #else
    712 	isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
    713 	if (bootverbose)
    714 		isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
    715 #ifdef	SCSIDEBUG
    716 	isp->isp_dblev |= ISP_LOGDEBUG0|ISP_LOGDEBUG1|ISP_LOGDEBUG2;
    717 #endif
    718 #endif
    719 	if (isp->isp_dblev & ISP_LOGCONFIG) {
    720 		printf("\n");
    721 	} else {
    722 		printf(dstring);
    723 	}
    724 
    725 	isp->isp_dmatag = pa->pa_dmat;
    726 	isp->isp_revision = rev;
    727 
    728 	/*
    729 	 * Make sure that command register set sanely.
    730 	 */
    731 	data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    732 	data |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_INVALIDATE_ENABLE;
    733 
    734 	/*
    735 	 * Not so sure about these- but I think it's important that they get
    736 	 * enabled......
    737 	 */
    738 	data |= PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE;
    739 	if (IS_2300(isp)) {	/* per QLogic errata */
    740 		data &= ~PCI_COMMAND_INVALIDATE_ENABLE;
    741 	}
    742 	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, data);
    743 
    744 	/*
    745 	 * Make sure that the latency timer, cache line size,
    746 	 * and ROM is disabled.
    747 	 */
    748 	data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
    749 	data &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
    750 	data &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT);
    751 	data |= (PCI_DFLT_LTNCY	<< PCI_LATTIMER_SHIFT);
    752 	data |= (linesz << PCI_CACHELINE_SHIFT);
    753 	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, data);
    754 
    755 	data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR);
    756 	data &= ~1;
    757 	pci_conf_write(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR, data);
    758 
    759 	if (pci_intr_map(pa, &ih)) {
    760 		aprint_error_dev(self, "couldn't map interrupt\n");
    761 		free(isp->isp_param, M_DEVBUF);
    762 		free(isp->isp_osinfo.chan, M_DEVBUF);
    763 		return;
    764 	}
    765 	intrstr = pci_intr_string(pa->pa_pc, ih);
    766 	if (intrstr == NULL)
    767 		intrstr = "<I dunno>";
    768 	pcs->pci_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
    769 	    isp_pci_intr, isp);
    770 	if (pcs->pci_ih == NULL) {
    771 		aprint_error_dev(self, "couldn't establish interrupt at %s\n",
    772 			intrstr);
    773 		free(isp->isp_param, M_DEVBUF);
    774 		free(isp->isp_osinfo.chan, M_DEVBUF);
    775 		return;
    776 	}
    777 
    778 	printf("%s: interrupting at %s\n", device_xname(self), intrstr);
    779 
    780 	isp->isp_confopts = device_cfdata(self)->cf_flags;
    781 	ISP_LOCK(isp);
    782 	isp_reset(isp, 1);
    783 	if (isp->isp_state != ISP_RESETSTATE) {
    784 		ISP_UNLOCK(isp);
    785 		free(isp->isp_param, M_DEVBUF);
    786 		free(isp->isp_osinfo.chan, M_DEVBUF);
    787 		return;
    788 	}
    789 	isp_init(isp);
    790 	if (isp->isp_state != ISP_INITSTATE) {
    791 		isp_uninit(isp);
    792 		ISP_UNLOCK(isp);
    793 		free(isp->isp_param, M_DEVBUF);
    794 		free(isp->isp_osinfo.chan, M_DEVBUF);
    795 		return;
    796 	}
    797 	/*
    798 	 * Do platform attach.
    799 	 */
    800 	ISP_UNLOCK(isp);
    801 	isp_attach(isp);
    802 }
    803 
    804 #define	IspVirt2Off(a, x)	\
    805 	(((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
    806 	_BLK_REG_SHFT] + ((x) & 0xff))
    807 
    808 #define	BXR2(pcs, off)		\
    809 	bus_space_read_2(pcs->pci_st, pcs->pci_sh, off)
    810 #define	BXW2(pcs, off, v)	\
    811 	bus_space_write_2(pcs->pci_st, pcs->pci_sh, off, v)
    812 #define	BXR4(pcs, off)		\
    813 	bus_space_read_4(pcs->pci_st, pcs->pci_sh, off)
    814 #define	BXW4(pcs, off, v)	\
    815 	bus_space_write_4(pcs->pci_st, pcs->pci_sh, off, v)
    816 
    817 
    818 static int
    819 isp_pci_rd_debounced(struct ispsoftc *isp, int off, uint16_t *rp)
    820 {
    821 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
    822 	uint16_t val0, val1;
    823 	int i = 0;
    824 
    825 	do {
    826 		val0 = BXR2(pcs, IspVirt2Off(isp, off));
    827 		val1 = BXR2(pcs, IspVirt2Off(isp, off));
    828 	} while (val0 != val1 && ++i < 1000);
    829 	if (val0 != val1) {
    830 		return (1);
    831 	}
    832 	*rp = val0;
    833 	return (0);
    834 }
    835 
    836 #if !defined(ISP_DISABLE_2100_SUPPORT) && \
    837 	 !defined(ISP_DISABLE_2200_SUPPORT) && \
    838 	 !defined(ISP_DISABLE_1020_SUPPORT) && \
    839 	 !defined(ISP_DISABLE_1080_SUPPORT) && \
    840 	 !defined(ISP_DISABLE_12160_SUPPORT)
    841 static int
    842 isp_pci_rd_isr(struct ispsoftc *isp, uint32_t *isrp,
    843     uint16_t *semap, uint16_t *mbp)
    844 {
    845 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
    846 	uint16_t isr, sema;
    847 
    848 	if (IS_2100(isp)) {
    849 		if (isp_pci_rd_debounced(isp, BIU_ISR, &isr)) {
    850 		    return (0);
    851 		}
    852 		if (isp_pci_rd_debounced(isp, BIU_SEMA, &sema)) {
    853 		    return (0);
    854 		}
    855 	} else {
    856 		isr = BXR2(pcs, IspVirt2Off(isp, BIU_ISR));
    857 		sema = BXR2(pcs, IspVirt2Off(isp, BIU_SEMA));
    858 	}
    859 	isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
    860 	isr &= INT_PENDING_MASK(isp);
    861 	sema &= BIU_SEMA_LOCK;
    862 	if (isr == 0 && sema == 0) {
    863 		return (0);
    864 	}
    865 	*isrp = isr;
    866 	if ((*semap = sema) != 0) {
    867 		if (IS_2100(isp)) {
    868 			if (isp_pci_rd_debounced(isp, OUTMAILBOX0, mbp)) {
    869 				return (0);
    870 			}
    871 		} else {
    872 			*mbp = BXR2(pcs, IspVirt2Off(isp, OUTMAILBOX0));
    873 		}
    874 	}
    875 	return (1);
    876 }
    877 #endif
    878 
    879 #if !(defined(ISP_DISABLE_2300_SUPPORT) || defined(ISP_DISABLE_2322_SUPPORT))
    880 static int
    881 isp_pci_rd_isr_2300(struct ispsoftc *isp, uint32_t *isrp,
    882     uint16_t *semap, uint16_t *mbox0p)
    883 {
    884 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
    885 	uint32_t r2hisr;
    886 
    887 	if (!(BXR2(pcs, IspVirt2Off(isp, BIU_ISR)) & BIU2100_ISR_RISC_INT)) {
    888 		*isrp = 0;
    889 		return (0);
    890 	}
    891 	r2hisr = bus_space_read_4(pcs->pci_st, pcs->pci_sh,
    892 	    IspVirt2Off(pcs, BIU_R2HSTSLO));
    893 	isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
    894 	if ((r2hisr & BIU_R2HST_INTR) == 0) {
    895 		*isrp = 0;
    896 		return (0);
    897 	}
    898 	switch (r2hisr & BIU_R2HST_ISTAT_MASK) {
    899 	case ISPR2HST_ROM_MBX_OK:
    900 	case ISPR2HST_ROM_MBX_FAIL:
    901 	case ISPR2HST_MBX_OK:
    902 	case ISPR2HST_MBX_FAIL:
    903 	case ISPR2HST_ASYNC_EVENT:
    904 		*isrp = r2hisr & 0xffff;
    905 		*mbox0p = (r2hisr >> 16);
    906 		*semap = 1;
    907 		return (1);
    908 	case ISPR2HST_RIO_16:
    909 		*isrp = r2hisr & 0xffff;
    910 		*mbox0p = ASYNC_RIO16_1;
    911 		*semap = 1;
    912 		return (1);
    913 	case ISPR2HST_FPOST:
    914 		*isrp = r2hisr & 0xffff;
    915 		*mbox0p = ASYNC_CMD_CMPLT;
    916 		*semap = 1;
    917 		return (1);
    918 	case ISPR2HST_FPOST_CTIO:
    919 		*isrp = r2hisr & 0xffff;
    920 		*mbox0p = ASYNC_CTIO_DONE;
    921 		*semap = 1;
    922 		return (1);
    923 	case ISPR2HST_RSPQ_UPDATE:
    924 		*isrp = r2hisr & 0xffff;
    925 		*mbox0p = 0;
    926 		*semap = 0;
    927 		return (1);
    928 	default:
    929 		return (0);
    930 	}
    931 }
    932 #endif
    933 
    934 #ifndef	ISP_DISABLE_2400_SUPPORT
    935 static int
    936 isp_pci_rd_isr_2400(ispsoftc_t *isp, uint32_t *isrp,
    937     uint16_t *semap, uint16_t *mbox0p)
    938 {
    939 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
    940 	uint32_t r2hisr;
    941 
    942 	r2hisr = BXR4(pcs, IspVirt2Off(pcs, BIU2400_R2HSTSLO));
    943 	isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
    944 	if ((r2hisr & BIU2400_R2HST_INTR) == 0) {
    945 		*isrp = 0;
    946 		return (0);
    947 	}
    948 	switch (r2hisr & BIU2400_R2HST_ISTAT_MASK) {
    949 	case ISP2400R2HST_ROM_MBX_OK:
    950 	case ISP2400R2HST_ROM_MBX_FAIL:
    951 	case ISP2400R2HST_MBX_OK:
    952 	case ISP2400R2HST_MBX_FAIL:
    953 	case ISP2400R2HST_ASYNC_EVENT:
    954 		*isrp = r2hisr & 0xffff;
    955 		*mbox0p = (r2hisr >> 16);
    956 		*semap = 1;
    957 		return (1);
    958 	case ISP2400R2HST_RSPQ_UPDATE:
    959 	case ISP2400R2HST_ATIO_RSPQ_UPDATE:
    960 	case ISP2400R2HST_ATIO_RQST_UPDATE:
    961 		*isrp = r2hisr & 0xffff;
    962 		*mbox0p = 0;
    963 		*semap = 0;
    964 		return (1);
    965 	default:
    966 		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
    967 		isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
    968 		return (0);
    969 	}
    970 }
    971 
    972 static uint32_t
    973 isp_pci_rd_reg_2400(ispsoftc_t *isp, int regoff)
    974 {
    975 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
    976 	uint32_t rv;
    977 	int block = regoff & _BLK_REG_MASK;
    978 
    979 	switch (block) {
    980 	case BIU_BLOCK:
    981 		break;
    982 	case MBOX_BLOCK:
    983 		return (BXR2(pcs, IspVirt2Off(pcs, regoff)));
    984 	case SXP_BLOCK:
    985 		isp_prt(isp, ISP_LOGWARN, "SXP_BLOCK read at 0x%x", regoff);
    986 		return (0xffffffff);
    987 	case RISC_BLOCK:
    988 		isp_prt(isp, ISP_LOGWARN, "RISC_BLOCK read at 0x%x", regoff);
    989 		return (0xffffffff);
    990 	case DMA_BLOCK:
    991 		isp_prt(isp, ISP_LOGWARN, "DMA_BLOCK read at 0x%x", regoff);
    992 		return (0xffffffff);
    993 	default:
    994 		isp_prt(isp, ISP_LOGWARN, "unknown block read at 0x%x", regoff);
    995 		return (0xffffffff);
    996 	}
    997 
    998 
    999 	switch (regoff) {
   1000 	case BIU2400_FLASH_ADDR:
   1001 	case BIU2400_FLASH_DATA:
   1002 	case BIU2400_ICR:
   1003 	case BIU2400_ISR:
   1004 	case BIU2400_CSR:
   1005 	case BIU2400_REQINP:
   1006 	case BIU2400_REQOUTP:
   1007 	case BIU2400_RSPINP:
   1008 	case BIU2400_RSPOUTP:
   1009 	case BIU2400_PRI_REQINP:
   1010 	case BIU2400_PRI_REQOUTP:
   1011 	case BIU2400_ATIO_RSPINP:
   1012 	case BIU2400_ATIO_RSPOUTP:
   1013 	case BIU2400_HCCR:
   1014 	case BIU2400_GPIOD:
   1015 	case BIU2400_GPIOE:
   1016 	case BIU2400_HSEMA:
   1017 		rv = BXR4(pcs, IspVirt2Off(pcs, regoff));
   1018 		break;
   1019 	case BIU2400_R2HSTSLO:
   1020 		rv = BXR4(pcs, IspVirt2Off(pcs, regoff));
   1021 		break;
   1022 	case BIU2400_R2HSTSHI:
   1023 		rv = BXR4(pcs, IspVirt2Off(pcs, regoff)) >> 16;
   1024 		break;
   1025 	default:
   1026 		isp_prt(isp, ISP_LOGERR,
   1027 		    "isp_pci_rd_reg_2400: unknown offset %x", regoff);
   1028 		rv = 0xffffffff;
   1029 		break;
   1030 	}
   1031 	return (rv);
   1032 }
   1033 
   1034 static void
   1035 isp_pci_wr_reg_2400(ispsoftc_t *isp, int regoff, uint32_t val)
   1036 {
   1037 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
   1038 	int block = regoff & _BLK_REG_MASK;
   1039 	volatile int junk;
   1040 
   1041 	switch (block) {
   1042 	case BIU_BLOCK:
   1043 		break;
   1044 	case MBOX_BLOCK:
   1045 		BXW2(pcs, IspVirt2Off(pcs, regoff), val);
   1046 		junk = BXR2(pcs, IspVirt2Off(pcs, regoff));
   1047 		return;
   1048 	case SXP_BLOCK:
   1049 		isp_prt(isp, ISP_LOGWARN, "SXP_BLOCK write at 0x%x", regoff);
   1050 		return;
   1051 	case RISC_BLOCK:
   1052 		isp_prt(isp, ISP_LOGWARN, "RISC_BLOCK write at 0x%x", regoff);
   1053 		return;
   1054 	case DMA_BLOCK:
   1055 		isp_prt(isp, ISP_LOGWARN, "DMA_BLOCK write at 0x%x", regoff);
   1056 		return;
   1057 	default:
   1058 		isp_prt(isp, ISP_LOGWARN, "unknown block write at 0x%x",
   1059 		    regoff);
   1060 		break;
   1061 	}
   1062 
   1063 	switch (regoff) {
   1064 	case BIU2400_FLASH_ADDR:
   1065 	case BIU2400_FLASH_DATA:
   1066 	case BIU2400_ICR:
   1067 	case BIU2400_ISR:
   1068 	case BIU2400_CSR:
   1069 	case BIU2400_REQINP:
   1070 	case BIU2400_REQOUTP:
   1071 	case BIU2400_RSPINP:
   1072 	case BIU2400_RSPOUTP:
   1073 	case BIU2400_PRI_REQINP:
   1074 	case BIU2400_PRI_REQOUTP:
   1075 	case BIU2400_ATIO_RSPINP:
   1076 	case BIU2400_ATIO_RSPOUTP:
   1077 	case BIU2400_HCCR:
   1078 	case BIU2400_GPIOD:
   1079 	case BIU2400_GPIOE:
   1080 	case BIU2400_HSEMA:
   1081 		BXW4(pcs, IspVirt2Off(pcs, regoff), val);
   1082 		junk = BXR4(pcs, IspVirt2Off(pcs, regoff));
   1083 		break;
   1084 	default:
   1085 		isp_prt(isp, ISP_LOGERR,
   1086 		    "isp_pci_wr_reg_2400: bad offset 0x%x", regoff);
   1087 		break;
   1088 	}
   1089 }
   1090 #endif
   1091 
   1092 static uint32_t
   1093 isp_pci_rd_reg(struct ispsoftc *isp, int regoff)
   1094 {
   1095 	uint32_t rv;
   1096 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
   1097 	int oldconf = 0;
   1098 
   1099 	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
   1100 		/*
   1101 		 * We will assume that someone has paused the RISC processor.
   1102 		 */
   1103 		oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
   1104 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
   1105 		    oldconf | BIU_PCI_CONF1_SXP);
   1106 	}
   1107 	rv = BXR2(pcs, IspVirt2Off(isp, regoff));
   1108 	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
   1109 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf);
   1110 	}
   1111 	return (rv);
   1112 }
   1113 
   1114 static void
   1115 isp_pci_wr_reg(struct ispsoftc *isp, int regoff, uint32_t val)
   1116 {
   1117 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
   1118 	int oldconf = 0;
   1119 
   1120 	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
   1121 		/*
   1122 		 * We will assume that someone has paused the RISC processor.
   1123 		 */
   1124 		oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
   1125 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
   1126 		    oldconf | BIU_PCI_CONF1_SXP);
   1127 	}
   1128 	BXW2(pcs, IspVirt2Off(isp, regoff), val);
   1129 	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
   1130 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf);
   1131 	}
   1132 }
   1133 
   1134 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
   1135 static uint32_t
   1136 isp_pci_rd_reg_1080(struct ispsoftc *isp, int regoff)
   1137 {
   1138 	uint16_t rv, oc = 0;
   1139 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
   1140 
   1141 	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
   1142 	    (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
   1143 		uint16_t tc;
   1144 		/*
   1145 		 * We will assume that someone has paused the RISC processor.
   1146 		 */
   1147 		oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
   1148 		tc = oc & ~BIU_PCI1080_CONF1_DMA;
   1149 		if (regoff & SXP_BANK1_SELECT)
   1150 			tc |= BIU_PCI1080_CONF1_SXP1;
   1151 		else
   1152 			tc |= BIU_PCI1080_CONF1_SXP0;
   1153 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), tc);
   1154 	} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
   1155 		oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
   1156 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
   1157 		    oc | BIU_PCI1080_CONF1_DMA);
   1158 	}
   1159 	rv = BXR2(pcs, IspVirt2Off(isp, regoff));
   1160 	if (oc) {
   1161 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc);
   1162 	}
   1163 	return (rv);
   1164 }
   1165 
   1166 static void
   1167 isp_pci_wr_reg_1080(struct ispsoftc *isp, int regoff, uint32_t val)
   1168 {
   1169 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
   1170 	int oc = 0;
   1171 
   1172 	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
   1173 	    (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
   1174 		uint16_t tc;
   1175 		/*
   1176 		 * We will assume that someone has paused the RISC processor.
   1177 		 */
   1178 		oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
   1179 		tc = oc & ~BIU_PCI1080_CONF1_DMA;
   1180 		if (regoff & SXP_BANK1_SELECT)
   1181 			tc |= BIU_PCI1080_CONF1_SXP1;
   1182 		else
   1183 			tc |= BIU_PCI1080_CONF1_SXP0;
   1184 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), tc);
   1185 	} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
   1186 		oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
   1187 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
   1188 		    oc | BIU_PCI1080_CONF1_DMA);
   1189 	}
   1190 	BXW2(pcs, IspVirt2Off(isp, regoff), val);
   1191 	if (oc) {
   1192 		BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc);
   1193 	}
   1194 }
   1195 #endif
   1196 
   1197 static int
   1198 isp_pci_mbxdma(struct ispsoftc *isp)
   1199 {
   1200 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
   1201 	bus_dma_tag_t dmat = isp->isp_dmatag;
   1202 	bus_dma_segment_t sg;
   1203 	bus_size_t len, dbound;
   1204 	fcparam *fcp;
   1205 	int rs, i;
   1206 
   1207 	if (isp->isp_rquest_dma)	/* been here before? */
   1208 		return (0);
   1209 
   1210 	if (isp->isp_type <= ISP_HA_SCSI_1040B) {
   1211 		dbound = 1 << 24;
   1212 	} else {
   1213 		/*
   1214 		 * For 32-bit PCI DMA, the range is 32 bits or zero :-)
   1215 		 */
   1216 		dbound = 0;
   1217 	}
   1218 	len = isp->isp_maxcmds * sizeof (isp_hdl_t);
   1219 	isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK);
   1220 	if (isp->isp_xflist == NULL) {
   1221 		isp_prt(isp, ISP_LOGERR, "cannot malloc xflist array");
   1222 		return (1);
   1223 	}
   1224 	memset(isp->isp_xflist, 0, len);
   1225 	for (len = 0; len < isp->isp_maxcmds - 1; len++) {
   1226 		isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
   1227 	}
   1228 	isp->isp_xffree = isp->isp_xflist;
   1229 	len = isp->isp_maxcmds * sizeof (bus_dmamap_t);
   1230 	pcs->pci_xfer_dmap = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
   1231 	if (pcs->pci_xfer_dmap == NULL) {
   1232 		free(isp->isp_xflist, M_DEVBUF);
   1233 		isp->isp_xflist = NULL;
   1234 		isp_prt(isp, ISP_LOGERR, "cannot malloc DMA map array");
   1235 		return (1);
   1236 	}
   1237 	for (i = 0; i < isp->isp_maxcmds; i++) {
   1238 		if (bus_dmamap_create(dmat, MAXPHYS, (MAXPHYS / PAGE_SIZE) + 1,
   1239 		    MAXPHYS, dbound, BUS_DMA_NOWAIT, &pcs->pci_xfer_dmap[i])) {
   1240 			isp_prt(isp, ISP_LOGERR, "cannot create DMA maps");
   1241 			break;
   1242 		}
   1243 	}
   1244 	if (i < isp->isp_maxcmds) {
   1245 		while (--i >= 0) {
   1246 			bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
   1247 		}
   1248 		free(isp->isp_xflist, M_DEVBUF);
   1249 		free(pcs->pci_xfer_dmap, M_DEVBUF);
   1250 		isp->isp_xflist = NULL;
   1251 		pcs->pci_xfer_dmap = NULL;
   1252 		return (1);
   1253 	}
   1254 
   1255 	/*
   1256 	 * Allocate and map the request queue.
   1257 	 */
   1258 	len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
   1259 	if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs, 0)) {
   1260 		goto dmafail;
   1261 	}
   1262  	if (bus_dmamem_map(isp->isp_dmatag, &sg, rs, len,
   1263 	    (void *)&isp->isp_rquest, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
   1264 		goto dmafail;
   1265 	}
   1266 	if (bus_dmamap_create(dmat, len, 1, len, dbound, BUS_DMA_NOWAIT,
   1267 	    &isp->isp_rqdmap)) {
   1268 		goto dmafail;
   1269 	}
   1270 	if (bus_dmamap_load(dmat, isp->isp_rqdmap, isp->isp_rquest, len, NULL,
   1271 	    BUS_DMA_NOWAIT)) {
   1272 		goto dmafail;
   1273 	}
   1274 	isp->isp_rquest_dma = isp->isp_rqdmap->dm_segs[0].ds_addr;
   1275 
   1276 	/*
   1277 	 * Allocate and map the result queue.
   1278 	 */
   1279 	len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
   1280 	if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
   1281 	    BUS_DMA_NOWAIT)) {
   1282 		goto dmafail;
   1283 	}
   1284 	if (bus_dmamem_map(dmat, &sg, rs, len,
   1285 	    (void *)&isp->isp_result, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
   1286 		goto dmafail;
   1287 	}
   1288 	if (bus_dmamap_create(dmat, len, 1, len, dbound, BUS_DMA_NOWAIT,
   1289 	    &isp->isp_rsdmap)) {
   1290 		goto dmafail;
   1291 	}
   1292 	if (bus_dmamap_load(dmat, isp->isp_rsdmap, isp->isp_result, len, NULL,
   1293 	    BUS_DMA_NOWAIT)) {
   1294 		goto dmafail;
   1295 	}
   1296 	isp->isp_result_dma = isp->isp_rsdmap->dm_segs[0].ds_addr;
   1297 
   1298 	if (IS_SCSI(isp)) {
   1299 		return (0);
   1300 	}
   1301 
   1302 	/*
   1303 	 * Allocate and map an FC scratch area
   1304 	 */
   1305 	fcp = isp->isp_param;
   1306 	len = ISP_FC_SCRLEN;
   1307 	if (bus_dmamem_alloc(dmat, len, sizeof (uint64_t), 0, &sg, 1, &rs,
   1308 	    BUS_DMA_NOWAIT)) {
   1309 		goto dmafail;
   1310 	}
   1311 	if (bus_dmamem_map(dmat, &sg, rs, len,
   1312 	    (void *)&fcp->isp_scratch, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
   1313 		goto dmafail;
   1314 	}
   1315 	if (bus_dmamap_create(dmat, len, 1, len, dbound, BUS_DMA_NOWAIT,
   1316 	    &isp->isp_scdmap)) {
   1317 		goto dmafail;
   1318 	}
   1319 	if (bus_dmamap_load(dmat, isp->isp_scdmap, fcp->isp_scratch, len, NULL,
   1320 	    BUS_DMA_NOWAIT)) {
   1321 		goto dmafail;
   1322 	}
   1323 	fcp->isp_scdma = isp->isp_scdmap->dm_segs[0].ds_addr;
   1324 	return (0);
   1325 dmafail:
   1326 	isp_prt(isp, ISP_LOGERR, "mailbox DMA setup failure");
   1327 	for (i = 0; i < isp->isp_maxcmds; i++) {
   1328 		bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
   1329 	}
   1330 	free(isp->isp_xflist, M_DEVBUF);
   1331 	free(pcs->pci_xfer_dmap, M_DEVBUF);
   1332 	isp->isp_xflist = NULL;
   1333 	pcs->pci_xfer_dmap = NULL;
   1334 	return (1);
   1335 }
   1336 
   1337 static int
   1338 isp_pci_dmasetup(struct ispsoftc *isp, struct scsipi_xfer *xs, void *arg)
   1339 {
   1340 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
   1341 	ispreq_t *rq = arg;
   1342 	bus_dmamap_t dmap;
   1343 	bus_dma_segment_t *dm_segs;
   1344 	uint32_t nsegs, hidx;
   1345 	isp_ddir_t ddir;
   1346 
   1347 	hidx = isp_handle_index(isp, rq->req_handle);
   1348 	if (hidx == ISP_BAD_HANDLE_INDEX) {
   1349 		XS_SETERR(xs, HBA_BOTCH);
   1350 		return (CMD_COMPLETE);
   1351 	}
   1352 	dmap = pcs->pci_xfer_dmap[hidx];
   1353 	if (xs->datalen == 0) {
   1354 		ddir = ISP_NOXFR;
   1355 		nsegs = 0;
   1356 		dm_segs = NULL;
   1357 	 } else {
   1358 		int error;
   1359 		uint32_t flag, flg2;
   1360 
   1361 		if (sizeof (bus_addr_t) > 4) {
   1362 			if (rq->req_header.rqs_entry_type == RQSTYPE_T2RQS) {
   1363 				rq->req_header.rqs_entry_type = RQSTYPE_T3RQS;
   1364 			} else if (rq->req_header.rqs_entry_type == RQSTYPE_REQUEST) {
   1365 				rq->req_header.rqs_entry_type = RQSTYPE_A64;
   1366 			}
   1367 		}
   1368 
   1369 		if (xs->xs_control & XS_CTL_DATA_IN) {
   1370 			flg2 = BUS_DMASYNC_PREREAD;
   1371 			flag = BUS_DMA_READ;
   1372 			ddir = ISP_FROM_DEVICE;
   1373 		} else {
   1374 			flg2 = BUS_DMASYNC_PREWRITE;
   1375 			flag = BUS_DMA_WRITE;
   1376 			ddir = ISP_TO_DEVICE;
   1377 		}
   1378 		error = bus_dmamap_load(isp->isp_dmatag, dmap, xs->data, xs->datalen,
   1379 		    NULL, ((xs->xs_control & XS_CTL_NOSLEEP) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK) | BUS_DMA_STREAMING | flag);
   1380 		if (error) {
   1381 			isp_prt(isp, ISP_LOGWARN, "unable to load DMA (%d)", error);
   1382 			XS_SETERR(xs, HBA_BOTCH);
   1383 			if (error == EAGAIN || error == ENOMEM) {
   1384 				return (CMD_EAGAIN);
   1385 			} else {
   1386 				return (CMD_COMPLETE);
   1387 			}
   1388 		}
   1389 		dm_segs = dmap->dm_segs;
   1390 		nsegs = dmap->dm_nsegs;
   1391 		bus_dmamap_sync(isp->isp_dmatag, dmap, 0, dmap->dm_mapsize, flg2);
   1392 	}
   1393 
   1394 	if (isp_send_cmd(isp, rq, dm_segs, nsegs, xs->datalen, ddir) != CMD_QUEUED) {
   1395 		return (CMD_EAGAIN);
   1396 	} else {
   1397 		return (CMD_QUEUED);
   1398 	}
   1399 }
   1400 
   1401 static int
   1402 isp_pci_intr(void *arg)
   1403 {
   1404 	uint32_t isr;
   1405 	uint16_t sema, mbox;
   1406 	struct ispsoftc *isp = arg;
   1407 
   1408 	isp->isp_intcnt++;
   1409 	if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
   1410 		isp->isp_intbogus++;
   1411 		return (0);
   1412 	} else {
   1413 		isp->isp_osinfo.onintstack = 1;
   1414 		isp_intr(isp, isr, sema, mbox);
   1415 		isp->isp_osinfo.onintstack = 0;
   1416 		return (1);
   1417 	}
   1418 }
   1419 
   1420 static void
   1421 isp_pci_dmateardown(struct ispsoftc *isp, XS_T *xs, uint32_t handle)
   1422 {
   1423 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
   1424 	uint32_t hidx;
   1425 	bus_dmamap_t dmap;
   1426 
   1427 	hidx = isp_handle_index(isp, handle);
   1428 	if (hidx == ISP_BAD_HANDLE_INDEX) {
   1429 		isp_xs_prt(isp, xs, ISP_LOGERR, "bad handle on teardown");
   1430 		return;
   1431 	}
   1432 	dmap = pcs->pci_xfer_dmap[hidx];
   1433 	bus_dmamap_sync(isp->isp_dmatag, dmap, 0, dmap->dm_mapsize,
   1434 	    xs->xs_control & XS_CTL_DATA_IN ?
   1435 	    BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
   1436 	bus_dmamap_unload(isp->isp_dmatag, dmap);
   1437 }
   1438 
   1439 static void
   1440 isp_pci_reset0(ispsoftc_t *isp)
   1441 {
   1442 	ISP_DISABLE_INTS(isp);
   1443 }
   1444 
   1445 static void
   1446 isp_pci_reset1(ispsoftc_t *isp)
   1447 {
   1448 	if (!IS_24XX(isp)) {
   1449 		/* Make sure the BIOS is disabled */
   1450 		isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
   1451 	}
   1452 	/* and enable interrupts */
   1453 	ISP_ENABLE_INTS(isp);
   1454 }
   1455 
   1456 static void
   1457 isp_pci_dumpregs(struct ispsoftc *isp, const char *msg)
   1458 {
   1459 	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
   1460 	if (msg)
   1461 		printf("%s: %s\n", device_xname(isp->isp_osinfo.dev), msg);
   1462 	if (IS_SCSI(isp))
   1463 		printf("    biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
   1464 	else
   1465 		printf("    biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
   1466 	printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
   1467 	    ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
   1468 	printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
   1469 
   1470 
   1471 	if (IS_SCSI(isp)) {
   1472 		ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
   1473 		printf("    cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
   1474 			ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
   1475 			ISP_READ(isp, CDMA_FIFO_STS));
   1476 		printf("    ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
   1477 			ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
   1478 			ISP_READ(isp, DDMA_FIFO_STS));
   1479 		printf("    sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
   1480 			ISP_READ(isp, SXP_INTERRUPT),
   1481 			ISP_READ(isp, SXP_GROSS_ERR),
   1482 			ISP_READ(isp, SXP_PINS_CTRL));
   1483 		ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
   1484 	}
   1485 	printf("    mbox regs: %x %x %x %x %x\n",
   1486 	    ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
   1487 	    ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
   1488 	    ISP_READ(isp, OUTMAILBOX4));
   1489 	printf("    PCI Status Command/Status=%x\n",
   1490 	    pci_conf_read(pcs->pci_pc, pcs->pci_tag, PCI_COMMAND_STATUS_REG));
   1491 }
   1492