1 /* $NetBSD: oosiop_jazzio.c,v 1.9 2023/12/20 06:36:02 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 2001 Shuichiro URATA. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: oosiop_jazzio.c,v 1.9 2023/12/20 06:36:02 thorpej Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/device.h>
35 #include <sys/buf.h>
36
37 #include <dev/scsipi/scsi_all.h>
38 #include <dev/scsipi/scsipi_all.h>
39 #include <dev/scsipi/scsiconf.h>
40 #include <dev/scsipi/scsi_message.h>
41
42 #include <machine/cpu.h>
43 #include <machine/autoconf.h>
44 #include <sys/bus.h>
45
46 #include <dev/ic/oosiopreg.h>
47 #include <dev/ic/oosiopvar.h>
48 #include <arc/jazz/jazziovar.h>
49
50 #include "ioconf.h"
51
52 int oosiop_jazzio_match(device_t, cfdata_t, void *);
53 void oosiop_jazzio_attach(device_t, device_t, void *);
54
55 CFATTACH_DECL_NEW(oosiop_jazzio, sizeof(struct oosiop_softc),
56 oosiop_jazzio_match, oosiop_jazzio_attach, NULL, NULL);
57
58 /*
59 * Match driver based on name
60 */
61 int
oosiop_jazzio_match(device_t parent,cfdata_t cf,void * aux)62 oosiop_jazzio_match(device_t parent, cfdata_t cf, void *aux)
63 {
64 struct jazzio_attach_args *ja = aux;
65
66 if (strcmp(ja->ja_name, "NCRC700") != 0)
67 return 0;
68
69 return 1;
70 }
71
72 void
oosiop_jazzio_attach(device_t parent,device_t self,void * aux)73 oosiop_jazzio_attach(device_t parent, device_t self, void *aux)
74 {
75 struct oosiop_softc *sc = device_private(self);
76 struct jazzio_attach_args *ja = aux;
77 int i, scid;
78
79 sc->sc_dev = self;
80 sc->sc_bst = ja->ja_bust;
81 sc->sc_dmat = ja->ja_dmat;
82
83 if (bus_space_map(sc->sc_bst, ja->ja_addr,
84 OOSIOP_NREGS, 0, &sc->sc_bsh) != 0) {
85 aprint_error(": failed to map registers\n");
86 return;
87 }
88
89 sc->sc_chip = OOSIOP_700_66;
90 sc->sc_freq = 50000000;
91
92 /* Preserve host id */
93 scid = oosiop_read_1(sc, OOSIOP_SCID);
94 for (i = 0; i < OOSIOP_NTGT; i++)
95 if (scid & (1 << i))
96 break;
97 if (i == OOSIOP_NTGT)
98 i = OOSIOP_NTGT - 1;
99
100 sc->sc_id = i;
101
102 jazzio_intr_establish(ja->ja_intr, (intr_handler_t)oosiop_intr, sc);
103
104 oosiop_attach(sc);
105 }
106