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dino.c revision 1.4
      1 /*	$NetBSD: dino.c,v 1.4 2019/04/16 06:45:04 skrll Exp $ */
      2 
      3 /*	$OpenBSD: dino.c,v 1.5 2004/02/13 20:39:31 mickey Exp $	*/
      4 
      5 /*
      6  * Copyright (c) 2003 Michael Shalayeff
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
     22  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     24  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     27  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     28  * THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include <sys/cdefs.h>
     32 __KERNEL_RCSID(0, "$NetBSD: dino.c,v 1.4 2019/04/16 06:45:04 skrll Exp $");
     33 
     34 /* #include "cardbus.h" */
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 #include <sys/device.h>
     39 #include <sys/reboot.h>
     40 #include <sys/malloc.h>
     41 #include <sys/extent.h>
     42 
     43 #include <machine/iomod.h>
     44 #include <machine/autoconf.h>
     45 #include <machine/intr.h>
     46 
     47 #include <hppa/include/vmparam.h>
     48 #include <hppa/dev/cpudevs.h>
     49 
     50 #if NCARDBUS > 0
     51 #include <dev/cardbus/rbus.h>
     52 #endif
     53 
     54 #include <dev/pci/pcireg.h>
     55 #include <dev/pci/pcivar.h>
     56 #include <dev/pci/pcidevs.h>
     57 
     58 #define	DINO_MEM_CHUNK	0x800000
     59 
     60 /* from machdep.c */
     61 extern struct extent *hppa_io_extent;
     62 
     63 struct dino_regs {
     64 	/* HPA Supervisory Register Set */
     65 	uint32_t	pad0;		/* 0x000 */
     66 	uint32_t	iar0;		/* 0x004 rw intr addr reg 0 */
     67 	uint32_t	iodc;		/* 0x008 rw iodc data/addr */
     68 	uint32_t	irr0;		/* 0x00c r  intr req reg 0 */
     69 	uint32_t	iar1;		/* 0x010 rw intr addr reg 1 */
     70 	uint32_t	irr1;		/* 0x014 r  intr req reg 1 */
     71 	uint32_t	imr;		/* 0x018 rw intr mask reg */
     72 	uint32_t	ipr;		/* 0x01c rw intr pending reg */
     73 	uint32_t	toc_addr;	/* 0x020 rw TOC addr reg */
     74 	uint32_t	icr;		/* 0x024 rw intr control reg */
     75 	uint32_t	ilr;		/* 0x028 r  intr level reg */
     76 	uint32_t	pad1;		/* 0x02c */
     77 	uint32_t	io_command;	/* 0x030  w command register */
     78 	uint32_t	io_status;	/* 0x034 r  status register */
     79 	uint32_t	io_control;	/* 0x038 rw control register */
     80 	uint32_t	pad2;		/* 0x03c AUX registers follow */
     81 
     82 	/* HPA Auxiliary Register Set */
     83 	uint32_t	io_gsc_err_addr;/* 0x040 GSC error address */
     84 	uint32_t	io_err_info;	/* 0x044 error info register */
     85 	uint32_t	io_pci_err_addr;/* 0x048 PCI error address */
     86 	uint32_t	pad3[4];	/* 0x04c */
     87 	uint32_t	io_fbb_en;	/* 0x05c fast back2back enable reg */
     88 	uint32_t	io_addr_en;	/* 0x060 address enable reg */
     89 	uint32_t	pci_addr;	/* 0x064 PCI conf/io/mem addr reg */
     90 	uint32_t	pci_conf_data;	/* 0x068 PCI conf data reg */
     91 	uint32_t	pci_io_data;	/* 0x06c PCI io data reg */
     92 	uint32_t	pci_mem_data;	/* 0x070 PCI memory data reg */
     93 	uint32_t	pad4[0x740/4];	/* 0x074 */
     94 
     95 	/* HPA Bus (GSC) Specific-Dependent Register Set */
     96 	uint32_t	gsc2x_config;	/* 0x7b4 GSC2X config reg */
     97 	uint32_t	pad5[0x48/4];	/* 0x7b8: BSRS registers follow */
     98 
     99 	/* HPA HVERSION (Dino)-Dependent Register Set */
    100 	uint32_t	gmask;		/* 0x800 GSC arbitration mask */
    101 	uint32_t	pamr;		/* 0x804 PCI arbitration mask */
    102 	uint32_t	papr;		/* 0x808 PCI arbitration priority */
    103 	uint32_t	damode;		/* 0x80c PCI arbitration mode */
    104 	uint32_t	pcicmd;		/* 0x810 PCI command register */
    105 	uint32_t	pcists;		/* 0x814 PCI status register */
    106 	uint32_t	pad6;		/* 0x818 */
    107 	uint32_t	mltim;		/* 0x81c PCI master latency timer */
    108 	uint32_t	brdg_feat;	/* 0x820 PCI bridge feature enable */
    109 	uint32_t	pciror;		/* 0x824 PCI read optimization reg */
    110 	uint32_t	pciwor;		/* 0x828 PCI write optimization reg */
    111 	uint32_t	pad7;		/* 0x82c */
    112 	uint32_t	tltim;		/* 0x830 PCI target latency reg */
    113 };
    114 
    115 struct dino_softc {
    116 	device_t sc_dv;
    117 
    118 	int sc_ver;
    119 	void *sc_ih;
    120 	struct hppa_interrupt_register sc_ir;
    121 	bus_space_tag_t sc_bt;
    122 	bus_space_handle_t sc_bh;
    123 	bus_dma_tag_t sc_dmat;
    124 
    125 	struct hppa_bus_dma_tag sc_dmatag;
    126 	struct hppa_bus_space_tag sc_memt;
    127 
    128 	volatile struct dino_regs *sc_regs;
    129 
    130 	struct hppa_pci_chipset_tag sc_pc;
    131 	struct hppa_bus_space_tag sc_iot;
    132 
    133 	struct extent *sc_ioex;
    134 	int sc_memrefcount[30];
    135 
    136 	char sc_ioexname[20];
    137 };
    138 
    139 int	dinomatch(device_t, struct cfdata *, void *);
    140 void	dinoattach(device_t, device_t, void *);
    141 static device_t	dino_callback(device_t, struct confargs *);
    142 
    143 CFATTACH_DECL_NEW(dino, sizeof(struct dino_softc), dinomatch, dinoattach, NULL,
    144     NULL);
    145 
    146 void dino_attach_hook(device_t, device_t,
    147     struct pcibus_attach_args *);
    148 void dino_enable_bus(struct dino_softc *, int);
    149 int dino_maxdevs(void *, int);
    150 pcitag_t dino_make_tag(void *, int, int, int);
    151 void dino_decompose_tag(void *, pcitag_t, int *, int *, int *);
    152 pcireg_t dino_conf_read(void *, pcitag_t, int);
    153 void dino_conf_write(void *, pcitag_t, int, pcireg_t);
    154 
    155 int dino_intr_map(const struct pci_attach_args *, pci_intr_handle_t *);
    156 const char *dino_intr_string(void *, pci_intr_handle_t, char *, size_t);
    157 void *dino_intr_establish(void *, pci_intr_handle_t, int,
    158     int (*)(void *), void *);
    159 void dino_intr_disestablish(void *, void *);
    160 
    161 void *dino_alloc_parent(device_t, struct pci_attach_args *, int);
    162 
    163 int dino_iomap(void *, bus_addr_t, bus_size_t, int, bus_space_handle_t *);
    164 int dino_memmap(void *, bus_addr_t, bus_size_t, int, bus_space_handle_t *);
    165 int dino_subregion(void *, bus_space_handle_t, bus_size_t, bus_size_t,
    166     bus_space_handle_t *);
    167 int dino_ioalloc(void *, bus_addr_t, bus_addr_t, bus_size_t,
    168     bus_size_t, bus_size_t, int, bus_addr_t *, bus_space_handle_t *);
    169 int dino_memalloc(void *, bus_addr_t, bus_addr_t, bus_size_t, bus_size_t,
    170     bus_size_t, int, bus_addr_t *, bus_space_handle_t *);
    171 void dino_unmap(void *, bus_space_handle_t, bus_size_t);
    172 void dino_free(void *, bus_space_handle_t, bus_size_t);
    173 void dino_barrier(void *, bus_space_handle_t, bus_size_t, bus_size_t, int);
    174 void *dino_vaddr(void *, bus_space_handle_t);
    175 paddr_t dino_mmap(void *, bus_addr_t, off_t, int, int);
    176 
    177 uint8_t dino_r1(void *, bus_space_handle_t, bus_size_t);
    178 uint16_t dino_r2(void *, bus_space_handle_t, bus_size_t);
    179 uint32_t dino_r4(void *, bus_space_handle_t, bus_size_t);
    180 uint64_t dino_r8(void *, bus_space_handle_t, bus_size_t);
    181 void dino_w1(void *, bus_space_handle_t, bus_size_t, uint8_t);
    182 void dino_w2(void *, bus_space_handle_t, bus_size_t, uint16_t);
    183 void dino_w4(void *, bus_space_handle_t, bus_size_t, uint32_t);
    184 void dino_w8(void *, bus_space_handle_t, bus_size_t, uint64_t);
    185 void dino_rm_1(void *, bus_space_handle_t, bus_size_t, uint8_t *, bus_size_t);
    186 void dino_rm_2(void *, bus_space_handle_t, bus_size_t, uint16_t *, bus_size_t);
    187 void dino_rm_4(void *, bus_space_handle_t, bus_size_t, uint32_t *, bus_size_t);
    188 void dino_rm_8(void *, bus_space_handle_t, bus_size_t, uint64_t *, bus_size_t);
    189 void dino_wm_1(void *, bus_space_handle_t, bus_size_t, const uint8_t *,
    190     bus_size_t);
    191 void dino_wm_2(void *, bus_space_handle_t, bus_size_t, const uint16_t *,
    192     bus_size_t);
    193 void dino_wm_4(void *, bus_space_handle_t, bus_size_t, const uint32_t *,
    194     bus_size_t);
    195 void dino_wm_8(void *, bus_space_handle_t, bus_size_t, const uint64_t *,
    196     bus_size_t);
    197 void dino_sm_1(void *, bus_space_handle_t, bus_size_t, uint8_t, bus_size_t);
    198 void dino_sm_2(void *, bus_space_handle_t, bus_size_t, uint16_t, bus_size_t);
    199 void dino_sm_4(void *, bus_space_handle_t, bus_size_t, uint32_t, bus_size_t);
    200 void dino_sm_8(void *, bus_space_handle_t, bus_size_t, uint64_t, bus_size_t);
    201 void dino_rrm_2(void *, bus_space_handle_t, bus_size_t, uint16_t *,
    202     bus_size_t);
    203 void dino_rrm_4(void *, bus_space_handle_t, bus_size_t, uint32_t *,
    204     bus_size_t);
    205 void dino_rrm_8(void *, bus_space_handle_t, bus_size_t, uint64_t *,
    206     bus_size_t);
    207 void dino_wrm_2(void *, bus_space_handle_t, bus_size_t, const uint16_t *,
    208     bus_size_t);
    209 void dino_wrm_4(void *, bus_space_handle_t, bus_size_t, const uint32_t *,
    210     bus_size_t);
    211 void dino_wrm_8(void *, bus_space_handle_t, bus_size_t, const uint64_t *,
    212     bus_size_t);
    213 void dino_rr_1(void *, bus_space_handle_t, bus_size_t, uint8_t *, bus_size_t);
    214 void dino_rr_2(void *, bus_space_handle_t, bus_size_t, uint16_t *, bus_size_t);
    215 void dino_rr_4(void *, bus_space_handle_t, bus_size_t, uint32_t *, bus_size_t);
    216 void dino_rr_8(void *, bus_space_handle_t, bus_size_t, uint64_t *, bus_size_t);
    217 void dino_wr_1(void *, bus_space_handle_t, bus_size_t, const uint8_t *,
    218     bus_size_t);
    219 void dino_wr_2(void *, bus_space_handle_t, bus_size_t, const uint16_t *,
    220     bus_size_t);
    221 void dino_wr_4(void *, bus_space_handle_t, bus_size_t, const uint32_t *,
    222     bus_size_t);
    223 void dino_wr_8(void *, bus_space_handle_t, bus_size_t, const uint64_t *,
    224     bus_size_t);
    225 void dino_rrr_2(void *, bus_space_handle_t, bus_size_t, uint16_t *,
    226     bus_size_t);
    227 void dino_rrr_4(void *, bus_space_handle_t, bus_size_t, uint32_t *,
    228     bus_size_t);
    229 void dino_rrr_8(void *, bus_space_handle_t, bus_size_t, uint64_t *,
    230     bus_size_t);
    231 void dino_wrr_2(void *, bus_space_handle_t, bus_size_t, const uint16_t *,
    232     bus_size_t);
    233 void dino_wrr_4(void *, bus_space_handle_t, bus_size_t, const uint32_t *,
    234     bus_size_t);
    235 void dino_wrr_8(void *, bus_space_handle_t, bus_size_t, const uint64_t *,
    236     bus_size_t);
    237 void dino_sr_1(void *, bus_space_handle_t, bus_size_t, uint8_t, bus_size_t);
    238 void dino_sr_2(void *, bus_space_handle_t, bus_size_t, uint16_t, bus_size_t);
    239 void dino_sr_4(void *, bus_space_handle_t, bus_size_t, uint32_t, bus_size_t);
    240 void dino_sr_8(void *, bus_space_handle_t, bus_size_t, uint64_t, bus_size_t);
    241 void dino_cp_1(void *, bus_space_handle_t, bus_size_t, bus_space_handle_t,
    242     bus_size_t, bus_size_t);
    243 void dino_cp_2(void *, bus_space_handle_t, bus_size_t, bus_space_handle_t,
    244     bus_size_t, bus_size_t);
    245 void dino_cp_4(void *, bus_space_handle_t, bus_size_t, bus_space_handle_t,
    246     bus_size_t, bus_size_t);
    247 void dino_cp_8(void *, bus_space_handle_t, bus_size_t, bus_space_handle_t,
    248     bus_size_t, bus_size_t);
    249 int dino_dmamap_create(void *, bus_size_t, int, bus_size_t, bus_size_t, int,
    250     bus_dmamap_t *);
    251 void dino_dmamap_destroy(void *, bus_dmamap_t);
    252 int dino_dmamap_load(void *, bus_dmamap_t, void *, bus_size_t, struct proc *,
    253     int);
    254 int dino_dmamap_load_mbuf(void *, bus_dmamap_t, struct mbuf *, int);
    255 int dino_dmamap_load_uio(void *, bus_dmamap_t, struct uio *, int);
    256 int dino_dmamap_load_raw(void *, bus_dmamap_t, bus_dma_segment_t *, int,
    257     bus_size_t, int);
    258 void dino_dmamap_unload(void *, bus_dmamap_t);
    259 void dino_dmamap_sync(void *, bus_dmamap_t, bus_addr_t, bus_size_t, int);
    260 int dino_dmamem_alloc(void *, bus_size_t, bus_size_t, bus_size_t,
    261     bus_dma_segment_t *, int, int *, int);
    262 void dino_dmamem_free(void *, bus_dma_segment_t *, int);
    263 int dino_dmamem_map(void *, bus_dma_segment_t *, int, size_t, void **, int);
    264 void dino_dmamem_unmap(void *, void *, size_t);
    265 paddr_t dino_dmamem_mmap(void *, bus_dma_segment_t *, int, off_t, int, int);
    266 
    267 
    268 void
    269 dino_attach_hook(device_t parent, device_t self,
    270     struct pcibus_attach_args *pba)
    271 {
    272 	struct dino_softc *sc = pba->pba_pc->_cookie;
    273 
    274 	/*
    275 	 * The firmware enables only devices that are needed for booting.
    276 	 * So other devices will fail to map PCI MEM / IO when they attach.
    277 	 * Therefore we recursively walk all buses to simply enable everything.
    278 	 */
    279 	dino_enable_bus(sc, 0);
    280 }
    281 
    282 void
    283 dino_enable_bus(struct dino_softc *sc, int bus)
    284 {
    285 	int func;
    286 	int dev;
    287 	pcitag_t tag;
    288 	pcireg_t data;
    289 	pcireg_t class;
    290 
    291 	for (dev = 0; dev < 32; dev++) {
    292 		tag = dino_make_tag(sc, bus, dev, 0);
    293 		if (tag != -1 && dino_conf_read(sc, tag, 0) != 0xffffffff) {
    294 			for (func = 0; func < 8; func++) {
    295 				tag = dino_make_tag(sc, bus, dev, func);
    296 				if (dino_conf_read(sc, tag, 0) != 0xffffffff) {
    297 					data = dino_conf_read(sc, tag,
    298 					    PCI_COMMAND_STATUS_REG);
    299 					dino_conf_write(sc, tag,
    300 					    PCI_COMMAND_STATUS_REG,
    301 					    PCI_COMMAND_IO_ENABLE |
    302 					    PCI_COMMAND_MEM_ENABLE |
    303 					    PCI_COMMAND_MASTER_ENABLE | data);
    304 				}
    305 			}
    306 			class = dino_conf_read(sc, tag, PCI_CLASS_REG);
    307 			if (PCI_CLASS(class) == PCI_CLASS_BRIDGE &&
    308 			    PCI_SUBCLASS(class) == PCI_SUBCLASS_BRIDGE_PCI)
    309 				dino_enable_bus(sc, bus + 1);
    310 		}
    311 	}
    312 }
    313 
    314 int
    315 dino_maxdevs(void *v, int bus)
    316 {
    317 	return 32;
    318 }
    319 
    320 pcitag_t
    321 dino_make_tag(void *v, int bus, int dev, int func)
    322 {
    323 	if (bus > 255 || dev > 31 || func > 7)
    324 		panic("dino_make_tag: bad request");
    325 
    326 	return (bus << 16) | (dev << 11) | (func << 8);
    327 }
    328 
    329 void
    330 dino_decompose_tag(void *v, pcitag_t tag, int *bus, int *dev, int *func)
    331 {
    332 	*bus = (tag >> 16) & 0xff;
    333 	*dev = (tag >> 11) & 0x1f;
    334 	*func= (tag >>  8) & 0x07;
    335 }
    336 
    337 pcireg_t
    338 dino_conf_read(void *v, pcitag_t tag, int reg)
    339 {
    340 	struct dino_softc *sc = v;
    341 	volatile struct dino_regs *r = sc->sc_regs;
    342 	pcireg_t data;
    343 	uint32_t pamr;
    344 
    345 	if ((unsigned int)reg >= PCI_CONF_SIZE)
    346 		return (pcireg_t) -1;
    347 
    348 	/* fix arbitration errata by disabling all pci devs on config read */
    349 	pamr = r->pamr;
    350 	r->pamr = 0;
    351 
    352 	r->pci_addr = tag | reg;
    353 	data = r->pci_conf_data;
    354 
    355 	/* restore arbitration */
    356 	r->pamr = pamr;
    357 
    358 	return le32toh(data);
    359 }
    360 
    361 void
    362 dino_conf_write(void *v, pcitag_t tag, int reg, pcireg_t data)
    363 {
    364 	struct dino_softc *sc = v;
    365 	volatile struct dino_regs *r = sc->sc_regs;
    366 	uint32_t pamr;
    367 
    368 	if ((unsigned int)reg >= PCI_CONF_SIZE)
    369 		return;
    370 
    371 	/* fix arbitration errata by disabling all pci devs on config read */
    372 	pamr = r->pamr;
    373 	r->pamr = 0;
    374 
    375 	r->pci_addr = tag | reg;
    376 	r->pci_conf_data = htole32(data);
    377 
    378 	/* fix coalescing config and io writes by interleaving w/ a read */
    379 	r->pci_addr = tag | PCI_ID_REG;
    380 	(void)r->pci_conf_data;
    381 
    382 	/* restore arbitration */
    383 	r->pamr = pamr;
    384 }
    385 
    386 int
    387 dino_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp)
    388 {
    389 	int line = pa->pa_intrline;
    390 
    391 	if (line == 0xff)
    392 		return 1;
    393 
    394 	*ihp = line;
    395 
    396 	return 0;
    397 }
    398 
    399 const char *
    400 dino_intr_string(void *v, pci_intr_handle_t ih, char *buf, size_t len)
    401 {
    402 	snprintf(buf, len, "irq %ld", ih);
    403 	return buf;
    404 }
    405 
    406 extern int cold;
    407 
    408 
    409 void *
    410 dino_intr_establish(void *v, pci_intr_handle_t ih,
    411     int pri, int (*handler)(void *), void *arg)
    412 {
    413 	struct dino_softc *sc = v;
    414 
    415 	return hppa_intr_establish(pri, handler, arg, &sc->sc_ir, ih);
    416 }
    417 
    418 void
    419 dino_intr_disestablish(void *v, void *cookie)
    420 {
    421 	/* XXX Implement me */
    422 }
    423 
    424 
    425 #if NCARDBUS > 0
    426 void *
    427 dino_alloc_parent(device_t self, struct pci_attach_args *pa, int io)
    428 {
    429 	struct dino_softc *sc = pa->pa_pc->_cookie;
    430 	struct extent *ex;
    431 	bus_space_tag_t tag;
    432 	bus_addr_t start;
    433 	bus_size_t size;
    434 
    435 	if (io) {
    436 		ex = sc->sc_ioex;
    437 		tag = pa->pa_iot;
    438 		start = 0xa000;
    439 		size = 0x1000;
    440 	} else {
    441 		ex = hppa_io_extent;
    442 		tag = pa->pa_memt;
    443 		start = ex->ex_start; /* XXX or 0xf0800000? */
    444 		size = DINO_MEM_CHUNK;
    445 	}
    446 
    447 	if (extent_alloc_subregion(ex, start, ex->ex_end, size, size,
    448 	    EX_NOBOUNDARY, EX_NOWAIT, &start))
    449 		return NULL;
    450 	extent_free(ex, start, size, EX_NOWAIT);
    451 	return rbus_new_root_share(tag, ex, start, size, start);
    452 }
    453 #endif
    454 
    455 int
    456 dino_iomap(void *v, bus_addr_t bpa, bus_size_t size,
    457     int flags, bus_space_handle_t *bshp)
    458 {
    459 	struct dino_softc *sc = v;
    460 	int error;
    461 
    462 	if (!(flags & BUS_SPACE_MAP_NOEXTENT) &&
    463 	    (error = extent_alloc_region(sc->sc_ioex, bpa, size, EX_NOWAIT)))
    464 		return error;
    465 
    466 	if (bshp)
    467 		*bshp = bpa;
    468 
    469 	return 0;
    470 }
    471 
    472 int
    473 dino_memmap(void *v, bus_addr_t bpa, bus_size_t size,
    474     int flags, bus_space_handle_t *bshp)
    475 {
    476 	struct dino_softc *sc = v;
    477 	volatile struct dino_regs *r = sc->sc_regs;
    478 	uint32_t reg;
    479 	int error;
    480 
    481 	reg = r->io_addr_en;
    482 	reg |= 1 << ((bpa >> 23) & 0x1f);
    483 #ifdef DEBUG
    484 	if (reg & 0x80000001)
    485 		panic("mapping outside the mem extent range");
    486 #endif
    487 	if ((error = bus_space_map(sc->sc_bt, bpa, size, flags, bshp)))
    488 		return error;
    489 	++sc->sc_memrefcount[((bpa >> 23) & 0x1f)];
    490 	/* map into the upper bus space, if not yet mapped this 8M */
    491 	if (reg != r->io_addr_en)
    492 		r->io_addr_en = reg;
    493 	return 0;
    494 }
    495 
    496 int
    497 dino_subregion(void *v, bus_space_handle_t bsh, bus_size_t offset,
    498     bus_size_t size, bus_space_handle_t *nbshp)
    499 {
    500 	*nbshp = bsh + offset;
    501 	return 0;
    502 }
    503 
    504 int
    505 dino_ioalloc(void *v, bus_addr_t rstart, bus_addr_t rend, bus_size_t size,
    506     bus_size_t align, bus_size_t boundary, int flags, bus_addr_t *addrp,
    507     bus_space_handle_t *bshp)
    508 {
    509 	struct dino_softc *sc = v;
    510 	struct extent *ex = sc->sc_ioex;
    511 	bus_addr_t bpa;
    512 	int error;
    513 
    514 	if (rstart < ex->ex_start || rend > ex->ex_end)
    515 		panic("dino_ioalloc: bad region start/end");
    516 
    517 	if ((error = extent_alloc_subregion(ex, rstart, rend, size,
    518 	    align, boundary, EX_NOWAIT, &bpa)))
    519 		return error;
    520 
    521 	if (addrp)
    522 		*addrp = bpa;
    523 	if (bshp)
    524 		*bshp = bpa;
    525 
    526 	return 0;
    527 }
    528 
    529 int
    530 dino_memalloc(void *v, bus_addr_t rstart, bus_addr_t rend, bus_size_t size,
    531     bus_size_t align, bus_size_t boundary, int flags, bus_addr_t *addrp,
    532     bus_space_handle_t *bshp)
    533 {
    534 	struct dino_softc *sc = v;
    535 	volatile struct dino_regs *r = sc->sc_regs;
    536 	uint32_t reg;
    537 	int i, error;
    538 
    539 	/*
    540 	 * Allow allocation only when PCI MEM is already mapped.
    541 	 * Needed to avoid allocation of I/O space used by devices that
    542 	 * have no driver in the current kernel.
    543 	 * Dino can map PCI MEM in the range 0xf0800000..0xff800000 only.
    544 	 */
    545 	reg = r->io_addr_en;
    546 	if (rstart < 0xf0800000 || rend >= 0xff800000 || reg == 0)
    547 		return -1;
    548 	/* Find used PCI MEM and narrow allocateble region down to it. */
    549 	for (i = 1; i < 31; i++)
    550 		if ((reg & 1 << i) != 0) {
    551 			rstart = HPPA_IOSPACE | i << 23;
    552 			rend = (HPPA_IOSPACE | (i + 1) << 23) - 1;
    553 			break;
    554 		}
    555 	if ((error = bus_space_alloc(sc->sc_bt, rstart, rend, size, align,
    556 	    boundary, flags, addrp, bshp)))
    557 		return error;
    558 	++sc->sc_memrefcount[((*bshp >> 23) & 0x1f)];
    559 	return 0;
    560 }
    561 
    562 void
    563 dino_unmap(void *v, bus_space_handle_t bsh, bus_size_t size)
    564 {
    565 	struct dino_softc *sc = v;
    566 	volatile struct dino_regs *r = sc->sc_regs;
    567 
    568 	if (bsh & HPPA_IOSPACE) {
    569 		bus_space_unmap(sc->sc_bt, bsh, size);
    570 		if (--sc->sc_memrefcount[((bsh >> 23) & 0x1f)] == 0)
    571 			/* Unmap the upper PCI MEM space. */
    572 			r->io_addr_en &= ~(1 << ((bsh >> 23) & 0x1f));
    573 	} else {
    574 		/* XXX gotta follow the BUS_SPACE_MAP_NOEXTENT flag */
    575 		if (extent_free(sc->sc_ioex, bsh, size, EX_NOWAIT))
    576 			printf("dino_unmap: ps 0x%lx, size 0x%lx\n"
    577 			    "dino_unmap: can't free region\n", bsh, size);
    578 	}
    579 }
    580 
    581 void
    582 dino_free(void *v, bus_space_handle_t bh, bus_size_t size)
    583 {
    584 	/* should be enough */
    585 	dino_unmap(v, bh, size);
    586 }
    587 
    588 void
    589 dino_barrier(void *v, bus_space_handle_t h, bus_size_t o, bus_size_t l, int op)
    590 {
    591 	sync_caches();
    592 }
    593 
    594 void*
    595 dino_vaddr(void *v, bus_space_handle_t h)
    596 {
    597 	struct dino_softc *sc = v;
    598 
    599 	return bus_space_vaddr(sc->sc_bt, h);
    600 }
    601 
    602 paddr_t
    603 dino_mmap(void *v, bus_addr_t addr, off_t off, int prot, int flags)
    604 {
    605 	return -1;
    606 }
    607 
    608 uint8_t
    609 dino_r1(void *v, bus_space_handle_t h, bus_size_t o)
    610 {
    611 	h += o;
    612 	if (h & HPPA_IOSPACE)
    613 		return *(volatile uint8_t *)h;
    614 	else {
    615 		struct dino_softc *sc = v;
    616 		volatile struct dino_regs *r = sc->sc_regs;
    617 
    618 		r->pci_addr = h;
    619 		return *((volatile uint8_t *)&r->pci_io_data + (h & 3));
    620 	}
    621 }
    622 
    623 uint16_t
    624 dino_r2(void *v, bus_space_handle_t h, bus_size_t o)
    625 {
    626 	volatile uint16_t *p;
    627 
    628 	h += o;
    629 	if (h & HPPA_IOSPACE)
    630 		p = (volatile uint16_t *)h;
    631 	else {
    632 		struct dino_softc *sc = v;
    633 		volatile struct dino_regs *r = sc->sc_regs;
    634 
    635 		r->pci_addr = h;
    636 		p = (volatile uint16_t *)&r->pci_io_data;
    637 		if (h & 2)
    638 			p++;
    639 	}
    640 	return le16toh(*p);
    641 }
    642 
    643 uint32_t
    644 dino_r4(void *v, bus_space_handle_t h, bus_size_t o)
    645 {
    646 	uint32_t data;
    647 
    648 	h += o;
    649 	if (h & HPPA_IOSPACE)
    650 		data = *(volatile uint32_t *)h;
    651 	else {
    652 		struct dino_softc *sc = v;
    653 		volatile struct dino_regs *r = sc->sc_regs;
    654 
    655 		r->pci_addr = h;
    656 		data = r->pci_io_data;
    657 	}
    658 
    659 	return le32toh(data);
    660 }
    661 
    662 uint64_t
    663 dino_r8(void *v, bus_space_handle_t h, bus_size_t o)
    664 {
    665 	uint64_t data;
    666 
    667 	h += o;
    668 	if (h & HPPA_IOSPACE)
    669 		data = *(volatile uint64_t *)h;
    670 	else
    671 		panic("dino_r8: not implemented");
    672 
    673 	return le64toh(data);
    674 }
    675 
    676 void
    677 dino_w1(void *v, bus_space_handle_t h, bus_size_t o, uint8_t vv)
    678 {
    679 	h += o;
    680 	if (h & HPPA_IOSPACE)
    681 		*(volatile uint8_t *)h = vv;
    682 	else {
    683 		struct dino_softc *sc = v;
    684 		volatile struct dino_regs *r = sc->sc_regs;
    685 
    686 		r->pci_addr = h;
    687 		*((volatile uint8_t *)&r->pci_io_data + (h & 3)) = vv;
    688 	}
    689 }
    690 
    691 void
    692 dino_w2(void *v, bus_space_handle_t h, bus_size_t o, uint16_t vv)
    693 {
    694 	volatile uint16_t *p;
    695 
    696 	h += o;
    697 	if (h & HPPA_IOSPACE)
    698 		p = (volatile uint16_t *)h;
    699 	else {
    700 		struct dino_softc *sc = v;
    701 		volatile struct dino_regs *r = sc->sc_regs;
    702 
    703 		r->pci_addr = h;
    704 		p = (volatile uint16_t *)&r->pci_io_data;
    705 		if (h & 2)
    706 			p++;
    707 	}
    708 
    709 	*p = htole16(vv);
    710 }
    711 
    712 void
    713 dino_w4(void *v, bus_space_handle_t h, bus_size_t o, uint32_t vv)
    714 {
    715 	h += o;
    716 	vv = htole32(vv);
    717 	if (h & HPPA_IOSPACE)
    718 		*(volatile uint32_t *)h = vv;
    719 	else {
    720 		struct dino_softc *sc = v;
    721 		volatile struct dino_regs *r = sc->sc_regs;
    722 
    723 		r->pci_addr = h;
    724 		r->pci_io_data = vv;
    725 	}
    726 }
    727 
    728 void
    729 dino_w8(void *v, bus_space_handle_t h, bus_size_t o, uint64_t vv)
    730 {
    731 	h += o;
    732 	if (h & HPPA_IOSPACE)
    733 		*(volatile uint64_t *)h = htole64(vv);
    734 	else
    735 		panic("dino_w8: not implemented");
    736 }
    737 
    738 
    739 void
    740 dino_rm_1(void *v, bus_space_handle_t h, bus_size_t o, uint8_t *a, bus_size_t c)
    741 {
    742 	volatile uint8_t *p;
    743 
    744 	h += o;
    745 	if (h & HPPA_IOSPACE)
    746 		p = (volatile uint8_t *)h;
    747 	else {
    748 		struct dino_softc *sc = v;
    749 		volatile struct dino_regs *r = sc->sc_regs;
    750 
    751 		r->pci_addr = h;
    752 		p = (volatile uint8_t *)&r->pci_io_data + (h & 3);
    753 	}
    754 
    755 	while (c--)
    756 		*a++ = *p;
    757 }
    758 
    759 void
    760 dino_rm_2(void *v, bus_space_handle_t h, bus_size_t o, uint16_t *a, bus_size_t c)
    761 {
    762 	volatile uint16_t *p;
    763 
    764 	h += o;
    765 	if (h & HPPA_IOSPACE)
    766 		p = (volatile uint16_t *)h;
    767 	else {
    768 		struct dino_softc *sc = v;
    769 		volatile struct dino_regs *r = sc->sc_regs;
    770 
    771 		r->pci_addr = h;
    772 		p = (volatile uint16_t *)&r->pci_io_data;
    773 		if (h & 2)
    774 			p++;
    775 	}
    776 
    777 	while (c--)
    778 		*a++ = le16toh(*p);
    779 }
    780 
    781 void
    782 dino_rm_4(void *v, bus_space_handle_t h, bus_size_t o, uint32_t *a, bus_size_t c)
    783 {
    784 	volatile uint32_t *p;
    785 
    786 	h += o;
    787 	if (h & HPPA_IOSPACE)
    788 		p = (volatile uint32_t *)h;
    789 	else {
    790 		struct dino_softc *sc = v;
    791 		volatile struct dino_regs *r = sc->sc_regs;
    792 
    793 		r->pci_addr = h;
    794 		p = (volatile uint32_t *)&r->pci_io_data;
    795 	}
    796 
    797 	while (c--)
    798 		*a++ = le32toh(*p);
    799 }
    800 
    801 void
    802 dino_rm_8(void *v, bus_space_handle_t h, bus_size_t o, uint64_t *a, bus_size_t c)
    803 {
    804 	panic("dino_rm_8: not implemented");
    805 }
    806 
    807 void
    808 dino_wm_1(void *v, bus_space_handle_t h, bus_size_t o, const uint8_t *a, bus_size_t c)
    809 {
    810 	volatile uint8_t *p;
    811 
    812 	h += o;
    813 	if (h & HPPA_IOSPACE)
    814 		p = (volatile uint8_t *)h;
    815 	else {
    816 		struct dino_softc *sc = v;
    817 		volatile struct dino_regs *r = sc->sc_regs;
    818 
    819 		r->pci_addr = h;
    820 		p = (volatile uint8_t *)&r->pci_io_data + (h & 3);
    821 	}
    822 
    823 	while (c--)
    824 		*p = *a++;
    825 }
    826 
    827 void
    828 dino_wm_2(void *v, bus_space_handle_t h, bus_size_t o, const uint16_t *a, bus_size_t c)
    829 {
    830 	volatile uint16_t *p;
    831 
    832 	h += o;
    833 	if (h & HPPA_IOSPACE)
    834 		p = (volatile uint16_t *)h;
    835 	else {
    836 		struct dino_softc *sc = v;
    837 		volatile struct dino_regs *r = sc->sc_regs;
    838 
    839 		r->pci_addr = h;
    840 		p = (volatile uint16_t *)&r->pci_io_data;
    841 		if (h & 2)
    842 			p++;
    843 	}
    844 
    845 	while (c--)
    846 		*p = htole16(*a++);
    847 }
    848 
    849 void
    850 dino_wm_4(void *v, bus_space_handle_t h, bus_size_t o, const uint32_t *a, bus_size_t c)
    851 {
    852 	volatile uint32_t *p;
    853 
    854 	h += o;
    855 	if (h & HPPA_IOSPACE)
    856 		p = (volatile uint32_t *)h;
    857 	else {
    858 		struct dino_softc *sc = v;
    859 		volatile struct dino_regs *r = sc->sc_regs;
    860 
    861 		r->pci_addr = h;
    862 		p = (volatile uint32_t *)&r->pci_io_data;
    863 	}
    864 
    865 	while (c--)
    866 		*p = htole32(*a++);
    867 }
    868 
    869 void
    870 dino_wm_8(void *v, bus_space_handle_t h, bus_size_t o, const uint64_t *a, bus_size_t c)
    871 {
    872 	panic("dino_wm_8: not implemented");
    873 }
    874 
    875 void
    876 dino_sm_1(void *v, bus_space_handle_t h, bus_size_t o, uint8_t vv, bus_size_t c)
    877 {
    878 	volatile uint8_t *p;
    879 
    880 	h += o;
    881 	if (h & HPPA_IOSPACE)
    882 		p = (volatile uint8_t *)h;
    883 	else {
    884 		struct dino_softc *sc = v;
    885 		volatile struct dino_regs *r = sc->sc_regs;
    886 
    887 		r->pci_addr = h;
    888 		p = (volatile uint8_t *)&r->pci_io_data + (h & 3);
    889 	}
    890 
    891 	while (c--)
    892 		*p = vv;
    893 }
    894 
    895 void
    896 dino_sm_2(void *v, bus_space_handle_t h, bus_size_t o, uint16_t vv, bus_size_t c)
    897 {
    898 	volatile uint16_t *p;
    899 
    900 	h += o;
    901 	if (h & HPPA_IOSPACE)
    902 		p = (volatile uint16_t *)h;
    903 	else {
    904 		struct dino_softc *sc = v;
    905 		volatile struct dino_regs *r = sc->sc_regs;
    906 
    907 		r->pci_addr = h;
    908 		p = (volatile uint16_t *)&r->pci_io_data;
    909 		if (h & 2)
    910 			p++;
    911 	}
    912 
    913 	while (c--)
    914 		*p = htole16(vv);
    915 }
    916 
    917 void
    918 dino_sm_4(void *v, bus_space_handle_t h, bus_size_t o, uint32_t vv, bus_size_t c)
    919 {
    920 	volatile uint32_t *p;
    921 
    922 	h += o;
    923 	if (h & HPPA_IOSPACE)
    924 		p = (volatile uint32_t *)h;
    925 	else {
    926 		struct dino_softc *sc = v;
    927 		volatile struct dino_regs *r = sc->sc_regs;
    928 
    929 		r->pci_addr = h;
    930 		p = (volatile uint32_t *)&r->pci_io_data;
    931 	}
    932 
    933 	while (c--)
    934 		*p = htole32(vv);
    935 }
    936 
    937 void
    938 dino_sm_8(void *v, bus_space_handle_t h, bus_size_t o, uint64_t vv, bus_size_t c)
    939 {
    940 	panic("dino_sm_8: not implemented");
    941 }
    942 
    943 void
    944 dino_rrm_2(void *v, bus_space_handle_t h, bus_size_t o,
    945     uint16_t *a, bus_size_t c)
    946 {
    947 	volatile uint16_t *p;
    948 
    949 	h += o;
    950 	if (h & HPPA_IOSPACE)
    951 		p = (volatile uint16_t *)h;
    952 	else {
    953 		struct dino_softc *sc = v;
    954 		volatile struct dino_regs *r = sc->sc_regs;
    955 
    956 		r->pci_addr = h;
    957 		p = (volatile uint16_t *)&r->pci_io_data;
    958 		if (h & 2)
    959 			p++;
    960 	}
    961 
    962 	while (c--)
    963 		*a++ = *p;
    964 }
    965 
    966 void
    967 dino_rrm_4(void *v, bus_space_handle_t h, bus_size_t o,
    968     uint32_t *a, bus_size_t c)
    969 {
    970 	volatile uint32_t *p;
    971 
    972 	h += o;
    973 	if (h & HPPA_IOSPACE)
    974 		p = (volatile uint32_t *)h;
    975 	else {
    976 		struct dino_softc *sc = v;
    977 		volatile struct dino_regs *r = sc->sc_regs;
    978 
    979 		r->pci_addr = h;
    980 		p = (volatile uint32_t *)&r->pci_io_data;
    981 	}
    982 
    983 	while (c--)
    984 		*a++ = *p;
    985 }
    986 
    987 void
    988 dino_rrm_8(void *v, bus_space_handle_t h, bus_size_t o,
    989     uint64_t *a, bus_size_t c)
    990 {
    991 	panic("dino_rrm_8: not implemented");
    992 }
    993 
    994 void
    995 dino_wrm_2(void *v, bus_space_handle_t h, bus_size_t o,
    996     const uint16_t *a, bus_size_t c)
    997 {
    998 	volatile uint16_t *p;
    999 
   1000 	h += o;
   1001 	if (h & HPPA_IOSPACE)
   1002 		p = (volatile uint16_t *)h;
   1003 	else {
   1004 		struct dino_softc *sc = v;
   1005 		volatile struct dino_regs *r = sc->sc_regs;
   1006 
   1007 		r->pci_addr = h;
   1008 		p = (volatile uint16_t *)&r->pci_io_data;
   1009 		if (h & 2)
   1010 			p++;
   1011 	}
   1012 
   1013 	while (c--)
   1014 		*p = *a++;
   1015 }
   1016 
   1017 void
   1018 dino_wrm_4(void *v, bus_space_handle_t h, bus_size_t o,
   1019     const uint32_t *a, bus_size_t c)
   1020 {
   1021 	volatile uint32_t *p;
   1022 
   1023 	h += o;
   1024 	if (h & HPPA_IOSPACE)
   1025 		p = (volatile uint32_t *)h;
   1026 	else {
   1027 		struct dino_softc *sc = v;
   1028 		volatile struct dino_regs *r = sc->sc_regs;
   1029 
   1030 		r->pci_addr = h;
   1031 		p = (volatile uint32_t *)&r->pci_io_data;
   1032 	}
   1033 
   1034 	while (c--)
   1035 		*p = *a++;
   1036 }
   1037 
   1038 void
   1039 dino_wrm_8(void *v, bus_space_handle_t h, bus_size_t o,
   1040     const uint64_t *a, bus_size_t c)
   1041 {
   1042 	panic("dino_wrm_8: not implemented");
   1043 }
   1044 
   1045 void
   1046 dino_rr_1(void *v, bus_space_handle_t h, bus_size_t o, uint8_t *a, bus_size_t c)
   1047 {
   1048 	volatile uint8_t *p;
   1049 
   1050 	h += o;
   1051 	if (h & HPPA_IOSPACE) {
   1052 		p = (volatile uint8_t *)h;
   1053 		while (c--)
   1054 			*a++ = *p++;
   1055 	} else {
   1056 		struct dino_softc *sc = v;
   1057 		volatile struct dino_regs *r = sc->sc_regs;
   1058 
   1059 		for (; c--; h++) {
   1060 			r->pci_addr = h;
   1061 			p = (volatile uint8_t *)&r->pci_io_data + (h & 3);
   1062 			*a++ = *p;
   1063 		}
   1064 	}
   1065 }
   1066 
   1067 void
   1068 dino_rr_2(void *v, bus_space_handle_t h, bus_size_t o, uint16_t *a, bus_size_t c)
   1069 {
   1070 	volatile uint16_t *p, data;
   1071 
   1072 	h += o;
   1073 	if (h & HPPA_IOSPACE) {
   1074 		p = (volatile uint16_t *)h;
   1075 		while (c--) {
   1076 			data = *p++;
   1077 			*a++ = le16toh(data);
   1078 		}
   1079 	} else {
   1080 		struct dino_softc *sc = v;
   1081 		volatile struct dino_regs *r = sc->sc_regs;
   1082 
   1083 		for (; c--; h += 2) {
   1084 			r->pci_addr = h;
   1085 			p = (volatile uint16_t *)&r->pci_io_data;
   1086 			if (h & 2)
   1087 				p++;
   1088 			data = *p;
   1089 			*a++ = le16toh(data);
   1090 		}
   1091 	}
   1092 }
   1093 
   1094 void
   1095 dino_rr_4(void *v, bus_space_handle_t h, bus_size_t o, uint32_t *a, bus_size_t c)
   1096 {
   1097 	volatile uint32_t *p, data;
   1098 
   1099 	h += o;
   1100 	if (h & HPPA_IOSPACE) {
   1101 		p = (volatile uint32_t *)h;
   1102 		while (c--) {
   1103 			data = *p++;
   1104 			*a++ = le32toh(data);
   1105 		}
   1106 	} else {
   1107 		struct dino_softc *sc = v;
   1108 		volatile struct dino_regs *r = sc->sc_regs;
   1109 
   1110 		for (; c--; h += 4) {
   1111 			r->pci_addr = h;
   1112 			data = r->pci_io_data;
   1113 			*a++ = le32toh(data);
   1114 		}
   1115 	}
   1116 }
   1117 
   1118 void
   1119 dino_rr_8(void *v, bus_space_handle_t h, bus_size_t o, uint64_t *a, bus_size_t c)
   1120 {
   1121 	panic("dino_rr_8: not implemented");
   1122 }
   1123 
   1124 void
   1125 dino_wr_1(void *v, bus_space_handle_t h, bus_size_t o, const uint8_t *a, bus_size_t c)
   1126 {
   1127 	volatile uint8_t *p;
   1128 
   1129 	h += o;
   1130 	if (h & HPPA_IOSPACE) {
   1131 		p = (volatile uint8_t *)h;
   1132 		while (c--)
   1133 			*p++ = *a++;
   1134 	} else {
   1135 		struct dino_softc *sc = v;
   1136 		volatile struct dino_regs *r = sc->sc_regs;
   1137 
   1138 		for (; c--; h++) {
   1139 			r->pci_addr = h;
   1140 			p = (volatile uint8_t *)&r->pci_io_data + (h & 3);
   1141 			*p = *a++;
   1142 		}
   1143 	}
   1144 }
   1145 
   1146 void
   1147 dino_wr_2(void *v, bus_space_handle_t h, bus_size_t o, const uint16_t *a, bus_size_t c)
   1148 {
   1149 	volatile uint16_t *p, data;
   1150 
   1151 	h += o;
   1152 	if (h & HPPA_IOSPACE) {
   1153 		p = (volatile uint16_t *)h;
   1154 		while (c--) {
   1155 			data = *a++;
   1156 			*p++ = htole16(data);
   1157 		}
   1158 	} else {
   1159 		struct dino_softc *sc = v;
   1160 		volatile struct dino_regs *r = sc->sc_regs;
   1161 
   1162 		for (; c--; h += 2) {
   1163 			r->pci_addr = h;
   1164 			p = (volatile uint16_t *)&r->pci_io_data;
   1165 			if (h & 2)
   1166 				p++;
   1167 			data = *a++;
   1168 			*p = htole16(data);
   1169 		}
   1170 	}
   1171 }
   1172 
   1173 void
   1174 dino_wr_4(void *v, bus_space_handle_t h, bus_size_t o, const uint32_t *a, bus_size_t c)
   1175 {
   1176 	volatile uint32_t *p, data;
   1177 
   1178 	h += o;
   1179 	if (h & HPPA_IOSPACE) {
   1180 		p = (volatile uint32_t *)h;
   1181 		while (c--) {
   1182 			data = *a++;
   1183 			*p++ = htole32(data);
   1184 		}
   1185 	} else {
   1186 		struct dino_softc *sc = v;
   1187 		volatile struct dino_regs *r = sc->sc_regs;
   1188 
   1189 		for (; c--; h += 4) {
   1190 			r->pci_addr = h;
   1191 			data = *a++;
   1192 			r->pci_io_data = htole32(data);
   1193 		}
   1194 	}
   1195 }
   1196 
   1197 void
   1198 dino_wr_8(void *v, bus_space_handle_t h, bus_size_t o, const uint64_t *a, bus_size_t c)
   1199 {
   1200 	panic("dino_wr_8: not implemented");
   1201 }
   1202 
   1203 void
   1204 dino_rrr_2(void *v, bus_space_handle_t h, bus_size_t o,
   1205     uint16_t *a, bus_size_t c)
   1206 {
   1207 	volatile uint16_t *p;
   1208 
   1209 	h += o;
   1210 	if (h & HPPA_IOSPACE) {
   1211 		p = (volatile uint16_t *)h;
   1212 		while (c--)
   1213 			*a++ = *p++;
   1214 	} else {
   1215 		struct dino_softc *sc = v;
   1216 		volatile struct dino_regs *r = sc->sc_regs;
   1217 
   1218 		for (; c--; h += 2) {
   1219 			r->pci_addr = h;
   1220 			p = (volatile uint16_t *)&r->pci_io_data;
   1221 			if (h & 2)
   1222 				p++;
   1223 			*a++ = *p;
   1224 		}
   1225 	}
   1226 }
   1227 
   1228 void
   1229 dino_rrr_4(void *v, bus_space_handle_t h, bus_size_t o,
   1230     uint32_t *a, bus_size_t c)
   1231 {
   1232 	volatile uint32_t *p;
   1233 
   1234 	h += o;
   1235 	if (h & HPPA_IOSPACE) {
   1236 		p = (volatile uint32_t *)h;
   1237 		while (c--)
   1238 			*a++ = *p++;
   1239 	} else {
   1240 		struct dino_softc *sc = v;
   1241 		volatile struct dino_regs *r = sc->sc_regs;
   1242 
   1243 		for (; c--; h += 4) {
   1244 			r->pci_addr = h;
   1245 			*a++ = r->pci_io_data;
   1246 		}
   1247 	}
   1248 }
   1249 
   1250 void
   1251 dino_rrr_8(void *v, bus_space_handle_t h, bus_size_t o,
   1252     uint64_t *a, bus_size_t c)
   1253 {
   1254 	panic("dino_rrr_8: not implemented");
   1255 }
   1256 
   1257 void
   1258 dino_wrr_2(void *v, bus_space_handle_t h, bus_size_t o,
   1259     const uint16_t *a, bus_size_t c)
   1260 {
   1261 	volatile uint16_t *p;
   1262 
   1263 	h += o;
   1264 	if (h & HPPA_IOSPACE) {
   1265 		p = (volatile uint16_t *)h;
   1266 		while (c--)
   1267 			*p++ = *a++;
   1268 	} else {
   1269 		struct dino_softc *sc = v;
   1270 		volatile struct dino_regs *r = sc->sc_regs;
   1271 
   1272 		for (; c--; h += 2) {
   1273 			r->pci_addr = h;
   1274 			p = (volatile uint16_t *)&r->pci_io_data;
   1275 			if (h & 2)
   1276 				p++;
   1277 			*p = *a++;
   1278 		}
   1279 	}
   1280 }
   1281 
   1282 void
   1283 dino_wrr_4(void *v, bus_space_handle_t h, bus_size_t o,
   1284     const uint32_t *a, bus_size_t c)
   1285 {
   1286 	volatile uint32_t *p;
   1287 
   1288 	c /= 4;
   1289 	h += o;
   1290 	if (h & HPPA_IOSPACE) {
   1291 		p = (volatile uint32_t *)h;
   1292 		while (c--)
   1293 			*p++ = *a++;
   1294 	} else {
   1295 		struct dino_softc *sc = v;
   1296 		volatile struct dino_regs *r = sc->sc_regs;
   1297 
   1298 		for (; c--; h += 4) {
   1299 			r->pci_addr = h;
   1300 			r->pci_io_data = *a++;
   1301 		}
   1302 	}
   1303 }
   1304 
   1305 void
   1306 dino_wrr_8(void *v, bus_space_handle_t h, bus_size_t o,
   1307     const uint64_t *a, bus_size_t c)
   1308 {
   1309 	panic("dino_wrr_8: not implemented");
   1310 }
   1311 
   1312 void
   1313 dino_sr_1(void *v, bus_space_handle_t h, bus_size_t o, uint8_t vv, bus_size_t c)
   1314 {
   1315 	volatile uint8_t *p;
   1316 
   1317 	h += o;
   1318 	if (h & HPPA_IOSPACE) {
   1319 		p = (volatile uint8_t *)h;
   1320 		while (c--)
   1321 			*p++ = vv;
   1322 	} else {
   1323 		struct dino_softc *sc = v;
   1324 		volatile struct dino_regs *r = sc->sc_regs;
   1325 
   1326 		for (; c--; h++) {
   1327 			r->pci_addr = h;
   1328 			p = (volatile uint8_t *)&r->pci_io_data + (h & 3);
   1329 			*p = vv;
   1330 		}
   1331 	}
   1332 }
   1333 
   1334 void
   1335 dino_sr_2(void *v, bus_space_handle_t h, bus_size_t o, uint16_t vv, bus_size_t c)
   1336 {
   1337 	volatile uint16_t *p;
   1338 
   1339 	h += o;
   1340 	vv = htole16(vv);
   1341 	if (h & HPPA_IOSPACE) {
   1342 		p = (volatile uint16_t *)h;
   1343 		while (c--)
   1344 			*p++ = vv;
   1345 	} else {
   1346 		struct dino_softc *sc = v;
   1347 		volatile struct dino_regs *r = sc->sc_regs;
   1348 
   1349 		for (; c--; h += 2) {
   1350 			r->pci_addr = h;
   1351 			p = (volatile uint16_t *)&r->pci_io_data;
   1352 			if (h & 2)
   1353 				p++;
   1354 			*p = vv;
   1355 		}
   1356 	}
   1357 }
   1358 
   1359 void
   1360 dino_sr_4(void *v, bus_space_handle_t h, bus_size_t o, uint32_t vv, bus_size_t c)
   1361 {
   1362 	volatile uint32_t *p;
   1363 
   1364 	h += o;
   1365 	vv = htole32(vv);
   1366 	if (h & HPPA_IOSPACE) {
   1367 		p = (volatile uint32_t *)h;
   1368 		while (c--)
   1369 			*p++ = vv;
   1370 	} else {
   1371 		struct dino_softc *sc = v;
   1372 		volatile struct dino_regs *r = sc->sc_regs;
   1373 
   1374 		for (; c--; h += 4) {
   1375 			r->pci_addr = h;
   1376 			r->pci_io_data = vv;
   1377 		}
   1378 	}
   1379 }
   1380 
   1381 void
   1382 dino_sr_8(void *v, bus_space_handle_t h, bus_size_t o, uint64_t vv, bus_size_t c)
   1383 {
   1384 	panic("dino_sr_8: not implemented");
   1385 }
   1386 
   1387 void
   1388 dino_cp_1(void *v, bus_space_handle_t h1, bus_size_t o1,
   1389 	  bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
   1390 {
   1391 	while (c--)
   1392 		dino_w1(v, h1, o1++, dino_r1(v, h2, o2++));
   1393 }
   1394 
   1395 void
   1396 dino_cp_2(void *v, bus_space_handle_t h1, bus_size_t o1,
   1397 	  bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
   1398 {
   1399 	while (c--) {
   1400 		dino_w2(v, h1, o1, dino_r2(v, h2, o2));
   1401 		o1 += 2;
   1402 		o2 += 2;
   1403 	}
   1404 }
   1405 
   1406 void
   1407 dino_cp_4(void *v, bus_space_handle_t h1, bus_size_t o1,
   1408 	  bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
   1409 {
   1410 	while (c--) {
   1411 		dino_w4(v, h1, o1, dino_r4(v, h2, o2));
   1412 		o1 += 4;
   1413 		o2 += 4;
   1414 	}
   1415 }
   1416 
   1417 void
   1418 dino_cp_8(void *v, bus_space_handle_t h1, bus_size_t o1,
   1419 	  bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
   1420 {
   1421 	while (c--) {
   1422 		dino_w8(v, h1, o1, dino_r8(v, h2, o2));
   1423 		o1 += 8;
   1424 		o2 += 8;
   1425 	}
   1426 }
   1427 
   1428 
   1429 const struct hppa_bus_space_tag dino_iomemt = {
   1430 	NULL,
   1431 
   1432 	NULL, dino_unmap, dino_subregion, NULL, dino_free,
   1433 	dino_barrier, dino_vaddr, dino_mmap,
   1434 	dino_r1,    dino_r2,    dino_r4,    dino_r8,
   1435 	dino_w1,    dino_w2,    dino_w4,    dino_w8,
   1436 	dino_rm_1,  dino_rm_2,  dino_rm_4,  dino_rm_8,
   1437 	dino_wm_1,  dino_wm_2,  dino_wm_4,  dino_wm_8,
   1438 	dino_sm_1,  dino_sm_2,  dino_sm_4,  dino_sm_8,
   1439 	            dino_rrm_2, dino_rrm_4, dino_rrm_8,
   1440 	            dino_wrm_2, dino_wrm_4, dino_wrm_8,
   1441 	dino_rr_1,  dino_rr_2,  dino_rr_4,  dino_rr_8,
   1442 	dino_wr_1,  dino_wr_2,  dino_wr_4,  dino_wr_8,
   1443 	            dino_rrr_2, dino_rrr_4, dino_rrr_8,
   1444 	            dino_wrr_2, dino_wrr_4, dino_wrr_8,
   1445 	dino_sr_1,  dino_sr_2,  dino_sr_4,  dino_sr_8,
   1446 	dino_cp_1,  dino_cp_2,  dino_cp_4,  dino_cp_8
   1447 };
   1448 
   1449 int
   1450 dino_dmamap_create(void *v, bus_size_t size, int nsegments,
   1451     bus_size_t maxsegsz, bus_size_t boundary, int flags, bus_dmamap_t *dmamp)
   1452 {
   1453 	struct dino_softc *sc = v;
   1454 
   1455 	/* TODO check the addresses, boundary, enable dma */
   1456 
   1457 	return bus_dmamap_create(sc->sc_dmat, size, nsegments,
   1458 	    maxsegsz, boundary, flags, dmamp);
   1459 }
   1460 
   1461 void
   1462 dino_dmamap_destroy(void *v, bus_dmamap_t map)
   1463 {
   1464 	struct dino_softc *sc = v;
   1465 
   1466 	bus_dmamap_destroy(sc->sc_dmat, map);
   1467 }
   1468 
   1469 int
   1470 dino_dmamap_load(void *v, bus_dmamap_t map, void *addr, bus_size_t size,
   1471     struct proc *p, int flags)
   1472 {
   1473 	struct dino_softc *sc = v;
   1474 
   1475 	return bus_dmamap_load(sc->sc_dmat, map, addr, size, p, flags);
   1476 }
   1477 
   1478 int
   1479 dino_dmamap_load_mbuf(void *v, bus_dmamap_t map, struct mbuf *m, int flags)
   1480 {
   1481 	struct dino_softc *sc = v;
   1482 
   1483 	return bus_dmamap_load_mbuf(sc->sc_dmat, map, m, flags);
   1484 }
   1485 
   1486 int
   1487 dino_dmamap_load_uio(void *v, bus_dmamap_t map, struct uio *uio, int flags)
   1488 {
   1489 	struct dino_softc *sc = v;
   1490 
   1491 	return bus_dmamap_load_uio(sc->sc_dmat, map, uio, flags);
   1492 }
   1493 
   1494 int
   1495 dino_dmamap_load_raw(void *v, bus_dmamap_t map, bus_dma_segment_t *segs,
   1496     int nsegs, bus_size_t size, int flags)
   1497 {
   1498 	struct dino_softc *sc = v;
   1499 
   1500 	return bus_dmamap_load_raw(sc->sc_dmat, map, segs, nsegs, size, flags);
   1501 }
   1502 
   1503 void
   1504 dino_dmamap_unload(void *v, bus_dmamap_t map)
   1505 {
   1506 	struct dino_softc *sc = v;
   1507 
   1508 	bus_dmamap_unload(sc->sc_dmat, map);
   1509 }
   1510 
   1511 void
   1512 dino_dmamap_sync(void *v, bus_dmamap_t map, bus_addr_t off,
   1513     bus_size_t len, int ops)
   1514 {
   1515 	struct dino_softc *sc = v;
   1516 
   1517 	return bus_dmamap_sync(sc->sc_dmat, map, off, len, ops);
   1518 }
   1519 
   1520 int
   1521 dino_dmamem_alloc(void *v, bus_size_t size, bus_size_t alignment,
   1522     bus_size_t boundary, bus_dma_segment_t *segs,
   1523     int nsegs, int *rsegs, int flags)
   1524 {
   1525 	struct dino_softc *sc = v;
   1526 
   1527 	return bus_dmamem_alloc(sc->sc_dmat, size, alignment, boundary,
   1528 	    segs, nsegs, rsegs, flags);
   1529 }
   1530 
   1531 void
   1532 dino_dmamem_free(void *v, bus_dma_segment_t *segs, int nsegs)
   1533 {
   1534 	struct dino_softc *sc = v;
   1535 
   1536 	bus_dmamem_free(sc->sc_dmat, segs, nsegs);
   1537 }
   1538 
   1539 int
   1540 dino_dmamem_map(void *v, bus_dma_segment_t *segs, int nsegs, size_t size,
   1541     void **kvap, int flags)
   1542 {
   1543 	struct dino_softc *sc = v;
   1544 
   1545 	return bus_dmamem_map(sc->sc_dmat, segs, nsegs, size, kvap, flags);
   1546 }
   1547 
   1548 void
   1549 dino_dmamem_unmap(void *v, void *kva, size_t size)
   1550 {
   1551 	struct dino_softc *sc = v;
   1552 
   1553 	bus_dmamem_unmap(sc->sc_dmat, kva, size);
   1554 }
   1555 
   1556 paddr_t
   1557 dino_dmamem_mmap(void *v, bus_dma_segment_t *segs, int nsegs, off_t off,
   1558     int prot, int flags)
   1559 {
   1560 	struct dino_softc *sc = v;
   1561 
   1562 	return bus_dmamem_mmap(sc->sc_dmat, segs, nsegs, off, prot, flags);
   1563 }
   1564 
   1565 const struct hppa_bus_dma_tag dino_dmat = {
   1566 	NULL,
   1567 	dino_dmamap_create, dino_dmamap_destroy,
   1568 	dino_dmamap_load, dino_dmamap_load_mbuf,
   1569 	dino_dmamap_load_uio, dino_dmamap_load_raw,
   1570 	dino_dmamap_unload, dino_dmamap_sync,
   1571 
   1572 	dino_dmamem_alloc, dino_dmamem_free, dino_dmamem_map,
   1573 	dino_dmamem_unmap, dino_dmamem_mmap
   1574 };
   1575 
   1576 const struct hppa_pci_chipset_tag dino_pc = {
   1577 	NULL,
   1578 	dino_attach_hook, dino_maxdevs, dino_make_tag, dino_decompose_tag,
   1579 	dino_conf_read, dino_conf_write,
   1580 	dino_intr_map, dino_intr_string,
   1581 	dino_intr_establish, dino_intr_disestablish,
   1582 #if NCARDBUS > 0
   1583 	dino_alloc_parent
   1584 #else
   1585 	NULL
   1586 #endif
   1587 };
   1588 
   1589 int
   1590 dinomatch(device_t parent, cfdata_t cfdata, void *aux)
   1591 {
   1592 	struct confargs *ca = aux;
   1593 
   1594 	/* there will be only one */
   1595 	if (ca->ca_type.iodc_type != HPPA_TYPE_BRIDGE ||
   1596 	    ca->ca_type.iodc_sv_model != HPPA_BRIDGE_DINO)
   1597 		return 0;
   1598 
   1599 	/* do not match on the elroy family */
   1600 	if (ca->ca_type.iodc_model == 0x78)
   1601 		return 0;
   1602 
   1603 	return 1;
   1604 }
   1605 
   1606 void
   1607 dinoattach(device_t parent, device_t self, void *aux)
   1608 {
   1609 	struct dino_softc *sc = device_private(self);
   1610 	struct confargs *ca = (struct confargs *)aux, nca;
   1611 	struct pcibus_attach_args pba;
   1612 	volatile struct dino_regs *r;
   1613 	struct cpu_info *ci = &cpus[0];
   1614 	const char *p = NULL;
   1615 	int s, ver;
   1616 
   1617 	sc->sc_dv = self;
   1618 	sc->sc_bt = ca->ca_iot;
   1619 	sc->sc_dmat = ca->ca_dmatag;
   1620 
   1621 	ca->ca_irq = hppa_intr_allocate_bit(&ci->ci_ir, ca->ca_irq);
   1622 	if (ca->ca_irq == HPPACF_IRQ_UNDEF) {
   1623 		aprint_error_dev(self, ": can't allocate interrupt");
   1624 		return;
   1625 	}
   1626 
   1627 	if (bus_space_map(sc->sc_bt, ca->ca_hpa, PAGE_SIZE, 0, &sc->sc_bh)) {
   1628 		aprint_error(": can't map space\n");
   1629 		return;
   1630 	}
   1631 
   1632 	sc->sc_regs = r = (volatile struct dino_regs *)sc->sc_bh;
   1633 #ifdef trust_the_firmware_to_proper_initialize_everything
   1634 	r->io_addr_en = 0;
   1635 	r->io_control = 0x80;
   1636 	r->pamr = 0;
   1637 	r->papr = 0;
   1638 	r->io_fbb_en |= 1;
   1639 	r->damode = 0;
   1640 	r->gmask &= ~1;	/* allow GSC bus req */
   1641 	r->pciror = 0;
   1642 	r->pciwor = 0;
   1643 	r->brdg_feat = 0xc0000000;
   1644 #endif
   1645 
   1646 	snprintf(sc->sc_ioexname, sizeof(sc->sc_ioexname),
   1647 	    "%s_io", device_xname(self));
   1648 	if ((sc->sc_ioex = extent_create(sc->sc_ioexname, 0, 0xffff,
   1649 	    NULL, 0, EX_NOWAIT | EX_MALLOCOK)) == NULL) {
   1650 		aprint_error(": can't allocate I/O extent map\n");
   1651 		bus_space_unmap(sc->sc_bt, sc->sc_bh, PAGE_SIZE);
   1652 		return;
   1653 	}
   1654 
   1655 	/* interrupts guts */
   1656 	s = splhigh();
   1657 	r->icr = 0;
   1658 	r->imr = ~0;
   1659 	(void)r->irr0;
   1660 	r->imr = 0;
   1661 	r->iar0 = ci->ci_hpa | (31 - ca->ca_irq);
   1662 	splx(s);
   1663 	/* Establish the interrupt register. */
   1664 	hppa_interrupt_register_establish(ci, &sc->sc_ir);
   1665 	sc->sc_ir.ir_name = device_xname(self);
   1666 	sc->sc_ir.ir_mask = &r->imr;
   1667 	sc->sc_ir.ir_req = &r->irr0;
   1668 	sc->sc_ir.ir_level = &r->ilr;
   1669 	/* Add the I/O interrupt register. */
   1670 
   1671 	sc->sc_ih = hppa_intr_establish(IPL_NONE, NULL, &sc->sc_ir,
   1672 	    &ci->ci_ir, ca->ca_irq);
   1673 
   1674 	/* TODO establish the bus error interrupt */
   1675 
   1676 	ver = ca->ca_type.iodc_revision;
   1677 	switch ((ca->ca_type.iodc_model << 4) |
   1678 	    (ca->ca_type.iodc_revision >> 4)) {
   1679 	case 0x05d:
   1680 		p = "Dino (card)";	/* j2240 */
   1681 		/* FALLTHROUGH */
   1682 	case 0x680:
   1683 		if (!p)
   1684 			p = "Dino";
   1685 		switch (ver & 0xf) {
   1686 		case 0:	ver = 0x20;	break;
   1687 		case 1:	ver = 0x21;	break;
   1688 		case 2:	ver = 0x30;	break;
   1689 		case 3:	ver = 0x31;	break;
   1690 		}
   1691 		break;
   1692 
   1693 	case 0x682:
   1694 		p = "Cujo";
   1695 		switch (ver & 0xf) {
   1696 		case 0:	ver = 0x10;	break;
   1697 		case 1:	ver = 0x20;	break;
   1698 		}
   1699 		break;
   1700 
   1701 	default:
   1702 		p = "Mojo";
   1703 		break;
   1704 	}
   1705 
   1706 	sc->sc_ver = ver;
   1707 	aprint_normal(": %s V%d.%d\n", p, ver >> 4, ver & 0xf);
   1708 
   1709 	sc->sc_iot = dino_iomemt;
   1710 	sc->sc_iot.hbt_cookie = sc;
   1711 	sc->sc_iot.hbt_map = dino_iomap;
   1712 	sc->sc_iot.hbt_alloc = dino_ioalloc;
   1713 	sc->sc_memt = dino_iomemt;
   1714 	sc->sc_memt.hbt_cookie = sc;
   1715 	sc->sc_memt.hbt_map = dino_memmap;
   1716 	sc->sc_memt.hbt_alloc = dino_memalloc;
   1717 	sc->sc_pc = dino_pc;
   1718 	sc->sc_pc._cookie = sc;
   1719 	sc->sc_dmatag = dino_dmat;
   1720 	sc->sc_dmatag._cookie = sc;
   1721 
   1722 	/* scan for ps2 kbd/ms, serial, and flying toasters */
   1723 	nca = *ca;
   1724 
   1725 	nca.ca_hpabase = 0;
   1726 	nca.ca_nmodules = MAXMODBUS;
   1727 	pdc_scanbus(self, &nca, dino_callback);
   1728 
   1729 	memset(&pba, 0, sizeof(pba));
   1730 	pba.pba_iot = &sc->sc_iot;
   1731 	pba.pba_memt = &sc->sc_memt;
   1732 	pba.pba_dmat = &sc->sc_dmatag;
   1733 	pba.pba_pc = &sc->sc_pc;
   1734 	pba.pba_bus = 0;
   1735 	pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY;
   1736 	config_found_ia(self, "pcibus", &pba, pcibusprint);
   1737 }
   1738 
   1739 static device_t
   1740 dino_callback(device_t self, struct confargs *ca)
   1741 {
   1742 	return config_found_sm_loc(self, "gedoens", NULL, ca, mbprint, mbsubmatch);
   1743 }
   1744