Annotation of sys/arch/arm/sa11x0/sa1111.c, Revision 1.2
1.2 ! nbrk 1: /* $Id: sa1111.c,v 1.1.1.1 2008/03/04 16:05:18 nbrk Exp $ */
1.1 nbrk 2: /*
3: * Copyright (c) 2002 Genetec Corporation. All rights reserved.
4: * Written by Hiroyuki Bessho for Genetec Corporation.
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. All advertising materials mentioning features or use of this software
15: * must display the following acknowledgement:
16: * This product includes software developed for the NetBSD Project by
17: * Genetec Corporation.
18: * 4. The name of Genetec Corporation may not be used to endorse or
19: * promote products derived from this software without specific prior
20: * written permission.
21: *
22: * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
26: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32: * POSSIBILITY OF SUCH DAMAGE.
33: *
34: */
35:
36: /*-
37: * Copyright (c) 2001, The NetBSD Foundation, Inc. All rights reserved.
38: *
39: * This code is derived from software contributed to The NetBSD Foundation
40: * by IWAMOTO Toshihiro and Ichiro FUKUHARA.
41: *
42: * Redistribution and use in source and binary forms, with or without
43: * modification, are permitted provided that the following conditions
44: * are met:
45: * 1. Redistributions of source code must retain the above copyright
46: * notice, this list of conditions and the following disclaimer.
47: * 2. Redistributions in binary form must reproduce the above copyright
48: * notice, this list of conditions and the following disclaimer in the
49: * documentation and/or other materials provided with the distribution.
50: * 3. All advertising materials mentioning features or use of this software
51: * must display the following acknowledgement:
52: * This product includes software developed by the NetBSD
53: * Foundation, Inc. and its contributors.
54: * 4. Neither the name of The NetBSD Foundation nor the names of its
55: * contributors may be used to endorse or promote products derived
56: * from this software without specific prior written permission.
57: */
58: /*-
59: * Copyright (c) 1999
60: * Shin Takemura and PocketBSD Project. All rights reserved.
61: *
62: * Redistribution and use in source and binary forms, with or without
63: * modification, are permitted provided that the following conditions
64: * are met:
65: * 1. Redistributions of source code must retain the above copyright
66: * notice, this list of conditions and the following disclaimer.
67: * 2. Redistributions in binary form must reproduce the above copyright
68: * notice, this list of conditions and the following disclaimer in the
69: * documentation and/or other materials provided with the distribution.
70: * 3. All advertising materials mentioning features or use of this software
71: * must display the following acknowledgement:
72: * This product includes software developed by the PocketBSD project
73: * and its contributors.
74: * 4. Neither the name of the project nor the names of its contributors
75: * may be used to endorse or promote products derived from this software
76: * without specific prior written permission.
77: *
78: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
79: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
80: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
81: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
82: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
83: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
84: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
85: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
86: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
87: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
88: * SUCH DAMAGE.
89: *
90: */
91:
92: #include <sys/cdefs.h>
93:
94: #include <sys/param.h>
95: #include <sys/systm.h>
96: #include <sys/device.h>
97: #include <sys/kernel.h>
98: #include <sys/reboot.h>
99:
100: #include <machine/cpu.h>
101: #include <machine/bus.h>
102:
103: #include <arm/sa11x0/sa1111_reg.h>
104: #include <arm/sa11x0/sa11x0_var.h>
105: #include <arm/sa11x0/sa11x1_var.h>
106:
1.2 ! nbrk 107: //#include <arm/sa11x0/sa1111_gpiovar.h>
1.1 nbrk 108:
109: /* prototypes */
110: int sacc_match(struct device *, void *, void *);
111: void sacc_attach(struct device *, struct device *, void *);
112: int sacc_search(struct device *, void *, void *);
113: int sacc_print(void *, const char *);
1.2 ! nbrk 114: void sacc_attach_critical(struct sacc_softc *sc);
1.1 nbrk 115:
116: /* attach structures */
117: struct cfattach sacc_ca = {
118: sizeof(struct sacc_softc), sacc_match, sacc_attach
119: };
120:
121: struct cfdriver sacc_cd = {
122: NULL, "sacc", DV_DULL
123: };
124:
125: struct sacc_softc *sacc_sc;
126:
127: int
128: sacc_match(struct device *parent, void *match, void *aux)
129: {
130:
131: return 1;
132: }
133:
134: void
135: sacc_attach(struct device *parent, struct device *self, void *aux)
136: {
137: struct sacc_softc *sc = (struct sacc_softc *)self;
138: struct saip_attach_args *saa = aux;
139: uint32_t skid;
140:
141: sacc_sc = sc;
142: sc->sc_bust = &sa11x1_bs_tag;
1.2 ! nbrk 143: sc->sc_intr = saa->sai_intr;
1.1 nbrk 144:
145: /* XXX preserve our base addr for sa11x1_bs_map() */
146: sa11x1_bs_tag.bs_cookie = &saa->sai_addr;
147:
1.2 ! nbrk 148: /*
! 149: * Map whole I/O space.
! 150: */
! 151: if (bus_space_map(sc->sc_bust, 0, 128 * 12, 0, &sc->sc_ioh)) {
1.1 nbrk 152: printf(": can't map i/o space\n");
153: return;
154: }
155:
156: /*
157: * Identify chip.
158: */
1.2 ! nbrk 159: skid = bus_space_read_4(sc->sc_bust, sc->sc_ioh, SACCSBI_SKID);
1.1 nbrk 160: if ((skid & 0xffffff00) != 0x690cc200) {
161: printf(": incorrect SA-1111 chip ID\n");
1.2 ! nbrk 162: bus_space_unmap(sc->sc_bust, sc->sc_ioh, 128 * 12);
1.1 nbrk 163: return;
164: }
165: printf(": SA-1111 companion chip rev. %d/%d\n", skid & 0xf0, skid & 0x0f);
166:
167: /*
1.2 ! nbrk 168: * Attach critical devices.
! 169: */
! 170: sacc_attach_critical(sc);
! 171:
! 172: /*
! 173: * Attach all other devices.
1.1 nbrk 174: */
175: config_search(sacc_search, self, sc);
176: }
177:
178: int
179: sacc_search(struct device *parent, void *c, void *aux)
180: {
181: struct sacc_softc *sc = aux;
182: struct sacc_attach_args aa;
183: struct cfdata *cf = c;
184:
185: aa.sac_iot = sc->sc_bust;
186: aa.sac_dmat = sc->sc_dmat;
187:
1.2 ! nbrk 188: aa.sac_xintr = (cf->cf_loc)[0];
1.1 nbrk 189:
190: config_found(parent, &aa, sacc_print);
191:
192: return 0;
193: }
194:
195: int
196: sacc_print(void *aux, const char *name)
197: {
198: struct sacc_attach_args *sa = (struct sacc_attach_args*)aux;
199:
1.2 ! nbrk 200: if (sa->sac_xintr != -1)
! 201: printf(" xintr %d", sa->sac_xintr);
! 202:
! 203: return (UNCONF);
! 204: }
! 205:
! 206: void
! 207: sacc_attach_critical(struct sacc_softc *sc)
! 208: {
! 209: /*
! 210: * Attach Interrupt and GPIO controllers because
! 211: * their functionality is needed for the rest of our onboard devices.
! 212: */
! 213: struct sacc_attach_args saa;
! 214:
! 215: saa.sac_iot = sc->sc_bust;
! 216: saa.sac_dmat = sc->sc_dmat;
1.1 nbrk 217:
1.2 ! nbrk 218: /* XXX sac_xintr is an internal to us interrupt number, but here we use it
! 219: to inform our INTC about which intr line it uses on main INTC. */
! 220: saa.sac_xintr = sc->sc_intr;
! 221: saa.sac_typecookie = SACC_TYPE_INTC;
! 222: config_found(&sc->sc_dev, &saa, sacc_print);
! 223:
! 224: #if 0
! 225: saa.sac_xintr = -1; /* is not widely used, spec defines most of them */
! 226: saa.sac_typecookie = SACC_TYPE_GPIO;
! 227: config_found(&sc->sc_dev, &saa, sacc_print);
! 228: #endif
1.1 nbrk 229: }
230:
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