Annotation of sys/arch/sparc64/dev/stp_sbus.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: stp_sbus.c,v 1.8 2007/05/29 09:54:19 sobrado Exp $ */
2: /* $NetBSD: stp4020.c,v 1.23 2002/06/01 23:51:03 lukem Exp $ */
3:
4: /*-
5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Paul Kranenburg.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: /*
41: * STP4020: SBus/PCMCIA bridge supporting one Type-3 PCMCIA card, or up to
42: * two Type-1 and Type-2 PCMCIA cards..
43: */
44:
45: #include <sys/param.h>
46: #include <sys/systm.h>
47: #include <sys/errno.h>
48: #include <sys/malloc.h>
49: #include <sys/extent.h>
50: #include <sys/proc.h>
51: #include <sys/kernel.h>
52: #include <sys/kthread.h>
53: #include <sys/device.h>
54:
55: #include <dev/pcmcia/pcmciareg.h>
56: #include <dev/pcmcia/pcmciavar.h>
57: #include <dev/pcmcia/pcmciachip.h>
58:
59: #include <machine/bus.h>
60: #include <machine/intr.h>
61:
62: #include <dev/sbus/sbusvar.h>
63: #include <dev/sbus/stp4020reg.h>
64: #include <dev/sbus/stp4020var.h>
65:
66: struct stp4020_sbus_softc {
67: struct stp4020_softc stp;
68: };
69:
70: int stpmatch(struct device *, void *, void *);
71: void stpattach(struct device *, struct device *, void *);
72:
73: struct cfattach stp_sbus_ca = {
74: sizeof(struct stp4020_sbus_softc), stpmatch, stpattach
75: };
76:
77: int
78: stpmatch(parent, match, aux)
79: struct device *parent;
80: void *match;
81: void *aux;
82: {
83: struct sbus_attach_args *sa = aux;
84:
85: return (strcmp("SUNW,pcmcia", sa->sa_name) == 0);
86: }
87:
88: /*
89: * Attach all the sub-devices we can find
90: */
91: void
92: stpattach(parent, self, aux)
93: struct device *parent, *self;
94: void *aux;
95: {
96: struct sbus_attach_args *sa = aux;
97: struct stp4020_softc *sc = (void *)self;
98: int node;
99: int i;
100: bus_space_handle_t bh;
101:
102: node = sa->sa_node;
103:
104: /* Transfer bus tags */
105: sc->sc_bustag = sa->sa_bustag;
106:
107: /* Set up per-socket static initialization */
108: sc->sc_socks[0].sc = sc->sc_socks[1].sc = sc;
109: sc->sc_socks[0].tag = sc->sc_socks[1].tag = sa->sa_bustag;
110:
111: if (sa->sa_nreg < 8) {
112: printf(": only %d register sets\n", sa->sa_nreg);
113: return;
114: }
115:
116: if (sa->sa_nintr != 2) {
117: printf(": expect 2 interrupt SBus levels; got %d\n",
118: sa->sa_nintr);
119: return;
120: }
121:
122: #define STP4020_BANK_PROM 0
123: #define STP4020_BANK_CTRL 4
124: for (i = 0; i < 8; i++) {
125:
126: /*
127: * STP4020 Register address map:
128: * bank 0: Forth PROM
129: * banks 1-3: socket 0, windows 0-2
130: * bank 4: control registers
131: * banks 5-7: socket 1, windows 0-2
132: */
133:
134: if (i == STP4020_BANK_PROM)
135: /* Skip the PROM */
136: continue;
137:
138: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[i].sbr_slot,
139: sa->sa_reg[i].sbr_offset, sa->sa_reg[i].sbr_size, 0, 0,
140: &bh) != 0) {
141: printf(": attach: cannot map registers\n");
142: return;
143: }
144:
145: if (i == STP4020_BANK_CTRL) {
146: /*
147: * Copy tag and handle to both socket structures
148: * for easy access in control/status IO functions.
149: */
150: sc->sc_socks[0].regs = sc->sc_socks[1].regs = bh;
151: } else if (i < STP4020_BANK_CTRL) {
152: /* banks 1-3 */
153: sc->sc_socks[0].windows[i-1].winaddr = bh;
154: sc->sc_socks[0].wintag = sc->sc_bustag;
155: } else {
156: /* banks 5-7 */
157: sc->sc_socks[1].windows[i-5].winaddr = bh;
158: sc->sc_socks[1].wintag = sc->sc_bustag;
159: }
160: }
161:
162: /*
163: * We get to use two SBus interrupt levels.
164: * The higher level we use for status change interrupts;
165: * the lower level for PC card I/O.
166: */
167: bus_intr_establish(sa->sa_bustag, sa->sa_intr[1].sbi_pri,
168: IPL_NONE, 0, stp4020_statintr, sc, self->dv_xname);
169:
170: bus_intr_establish(sa->sa_bustag, sa->sa_intr[0].sbi_pri,
171: IPL_NONE, 0, stp4020_iointr, sc, self->dv_xname);
172:
173: stpattach_common(sc, sa->sa_frequency);
174: }
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