Annotation of sys/arch/hppa/gsc/oosiop_gsc.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: oosiop_gsc.c,v 1.2 2005/12/13 23:13:45 mickey Exp $ */
2: /* $NetBSD: oosiop_gsc.c,v 1.2 2003/07/15 02:29:25 lukem Exp $ */
3:
4: /*
5: * Copyright (c) 2001 Matt Fredette. All rights reserved.
6: * Copyright (c) 2001,2002 Izumi Tsutsui. All rights reserved.
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 AUTHORS ``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 AUTHORS 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: * Copyright (c) 1998 Michael Shalayeff
32: * All rights reserved.
33: *
34: * Redistribution and use in source and binary forms, with or without
35: * modification, are permitted provided that the following conditions
36: * are met:
37: * 1. Redistributions of source code must retain the above copyright
38: * notice, this list of conditions and the following disclaimer.
39: * 2. Redistributions in binary form must reproduce the above copyright
40: * notice, this list of conditions and the following disclaimer in the
41: * documentation and/or other materials provided with the distribution.
42: * 3. The name of the author may not be used to endorse or promote products
43: * derived from this software without specific prior written permission.
44: *
45: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
46: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
48: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
49: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
54: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55: */
56:
57: #include <sys/param.h>
58: #include <sys/systm.h>
59: #include <sys/device.h>
60: #include <sys/buf.h>
61: #include <sys/malloc.h>
62:
63: #include <scsi/scsi_all.h>
64: #include <scsi/scsiconf.h>
65:
66: #include <machine/cpu.h>
67: #include <machine/intr.h>
68: #include <machine/iomod.h>
69: #include <machine/autoconf.h>
70: #include <machine/bus.h>
71:
72: #include <dev/ic/oosiopreg.h>
73: #include <dev/ic/oosiopvar.h>
74:
75: #include <hppa/dev/cpudevs.h>
76: #include <hppa/gsc/gscbusvar.h>
77:
78: #define OOSIOP_GSC_RESET 0x0000
79: #define OOSIOP_GSC_OFFSET 0x0100
80:
81: int oosiop_gsc_match(struct device *, void *, void *);
82: void oosiop_gsc_attach(struct device *, struct device *, void *);
83: int oosiop_gsc_intr(void *);
84:
85: struct cfattach oosiop_gsc_ca = {
86: sizeof(struct oosiop_softc), oosiop_gsc_match, oosiop_gsc_attach
87: };
88:
89: int
90: oosiop_gsc_match(parent, match, aux)
91: struct device *parent;
92: void *match, *aux;
93: {
94: struct gsc_attach_args *ga = aux;
95:
96: if (ga->ga_type.iodc_type != HPPA_TYPE_FIO ||
97: ga->ga_type.iodc_sv_model != HPPA_FIO_SCSI)
98: return 0;
99:
100: return 1;
101: }
102:
103: void
104: oosiop_gsc_attach(parent, self, aux)
105: struct device *parent, *self;
106: void *aux;
107: {
108: struct oosiop_softc *sc = (void *)self;
109: struct gsc_attach_args *ga = aux;
110: bus_space_handle_t ioh;
111:
112: sc->sc_bst = ga->ga_iot;
113: sc->sc_dmat = ga->ga_dmatag;
114: if (bus_space_map(sc->sc_bst, ga->ga_hpa,
115: OOSIOP_GSC_OFFSET + OOSIOP_NREGS, 0, &ioh))
116: panic("oosiop_gsc_attach: couldn't map I/O ports");
117: if (bus_space_subregion(sc->sc_bst, ioh,
118: OOSIOP_GSC_OFFSET, OOSIOP_NREGS, &sc->sc_bsh))
119: panic("oosiop_gsc_attach: couldn't get chip ports");
120:
121: sc->sc_freq = ga->ga_ca.ca_pdc_iodc_read->filler2[14];
122: if (!sc->sc_freq)
123: sc->sc_freq = 50 * 1000000;
124:
125: sc->sc_chip = OOSIOP_700;
126: sc->sc_id = 7; /* XXX */
127:
128: /*
129: * Reset the SCSI subsystem.
130: */
131: bus_space_write_1(sc->sc_bst, ioh, OOSIOP_GSC_RESET, 0);
132: DELAY(1000);
133:
134: /*
135: * Call common attachment
136: */
137: #ifdef OOSIOP_DEBUG
138: {
139: extern int oosiop_debug;
140: oosiop_debug = -1;
141: }
142: #endif /* OOSIOP_DEBUG */
143: oosiop_attach(sc);
144:
145: (void)gsc_intr_establish((struct gsc_softc *)parent,
146: ga->ga_irq, IPL_BIO, oosiop_gsc_intr, sc, sc->sc_dev.dv_xname);
147: }
148:
149: /*
150: * interrupt handler
151: */
152: int
153: oosiop_gsc_intr(arg)
154: void *arg;
155: {
156: struct oosiop_softc *sc = arg;
157: int rv;
158:
159: rv = oosiop_intr(sc);
160:
161: #ifdef USELEDS
162: ledctl(PALED_DISK, 0, 0);
163: #endif
164:
165: return (rv);
166: }
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