1 /* $NetBSD: aubus.c,v 1.27 2022/09/29 07:00:46 skrll Exp $ */
2
3 /*-
4 * Copyright (c) 2006 Itronix Inc.
5 * All rights reserved.
6 *
7 * Portions written by Garrett D'Amore for Itronix Inc.
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 * 3. The name of Itronix Inc. may not be used to endorse
18 * or promote products derived from this software without specific
19 * prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28 * ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /*
35 * Copyright 2001 Wasabi Systems, Inc.
36 * All rights reserved.
37 *
38 * Written by Simon Burge for Wasabi Systems, Inc.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 * 3. All advertising materials mentioning features or use of this software
49 * must display the following acknowledgement:
50 * This product includes software developed for the NetBSD Project by
51 * Wasabi Systems, Inc.
52 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
53 * or promote products derived from this software without specific prior
54 * written permission.
55 *
56 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
66 * POSSIBILITY OF SUCH DAMAGE.
67 */
68
69 /*
70 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
71 *
72 * Redistribution and use in source and binary forms, with or without
73 * modification, are permitted provided that the following conditions
74 * are met:
75 * 1. Redistributions of source code must retain the above copyright
76 * notice, this list of conditions and the following disclaimer.
77 * 2. Redistributions in binary form must reproduce the above copyright
78 * notice, this list of conditions and the following disclaimer in the
79 * documentation and/or other materials provided with the distribution.
80 * 3. All advertising materials mentioning features or use of this software
81 * must display the following acknowledgement:
82 * This product includes software developed by Christopher G. Demetriou
83 * for the NetBSD Project.
84 * 4. The name of the author may not be used to endorse or promote products
85 * derived from this software without specific prior written permission
86 *
87 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
88 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
89 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
90 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
91 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
92 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
93 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
94 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
95 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
96 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
97 */
98
99 #include <sys/cdefs.h>
100 __KERNEL_RCSID(0, "$NetBSD: aubus.c,v 1.27 2022/09/29 07:00:46 skrll Exp $");
101
102 #include "locators.h"
103 #define _MIPS_BUS_DMA_PRIVATE
104
105 #include <sys/param.h>
106 #include <sys/bus.h>
107 #include <sys/device.h>
108 #include <sys/extent.h>
109 #include <sys/systm.h>
110
111 #include <mips/locore.h>
112 #include <mips/alchemy/include/aureg.h>
113 #include <mips/alchemy/include/auvar.h>
114 #include <mips/alchemy/include/aubusvar.h>
115
116 static int aubus_match(device_t, cfdata_t, void *);
117 static void aubus_attach(device_t, device_t, void *);
118 static int aubus_print(void *, const char *);
119
120 CFATTACH_DECL_NEW(aubus, 0,
121 aubus_match, aubus_attach, NULL, NULL);
122
123 bus_space_tag_t aubus_st; /* XXX */
124 struct mips_bus_dma_tag aubus_mdt = {
125 ._dmamap_ops = _BUS_DMAMAP_OPS_INITIALIZER,
126 ._dmamem_ops = _BUS_DMAMEM_OPS_INITIALIZER,
127 ._dmatag_ops = _BUS_DMATAG_OPS_INITIALIZER,
128 };
129
130 /*
131 * Probe for the aubus; always succeeds.
132 */
133 static int
aubus_match(device_t parent,cfdata_t match,void * aux)134 aubus_match(device_t parent, cfdata_t match, void *aux)
135 {
136
137 return 1;
138 }
139
140 /*
141 * Attach the aubus.
142 */
143 static void
aubus_attach(device_t parent,device_t self,void * aux)144 aubus_attach(device_t parent, device_t self, void *aux)
145 {
146 struct aubus_attach_args aa;
147 device_t sc = self;
148 struct au_chipdep *chip;
149 const struct au_dev *ad;
150 int locs[AUBUSCF_NLOCS];
151
152 printf("\n");
153
154 chip = au_chipdep();
155 KASSERT(chip != NULL);
156
157 aubus_mdt._cookie = sc;
158
159 for (ad = chip->devices; ad->name != NULL; ad++) {
160 aa.aa_name = ad->name;
161 aa.aa_st = aubus_st;
162 aa.aa_dt = &aubus_mdt;
163 aa.aa_addrs[0] = ad->addr[0];
164 aa.aa_addrs[1] = ad->addr[1];
165 aa.aa_addrs[2] = ad->addr[2];
166 aa.aa_irq[0] = ad->irq[0];
167 aa.aa_irq[1] = ad->irq[1];
168
169 locs[AUBUSCF_ADDR] = ad->addr[0];
170
171 config_found(self, &aa, aubus_print,
172 CFARGS(.submatch = config_stdsubmatch,
173 .locators = locs));
174 }
175 }
176
177 static int
aubus_print(void * aux,const char * pnp)178 aubus_print(void *aux, const char *pnp)
179 {
180 struct aubus_attach_args *aa = aux;
181
182 if (pnp)
183 aprint_normal("%s at %s", aa->aa_name, pnp);
184
185 if (aa->aa_addr != AUBUSCF_ADDR_DEFAULT)
186 aprint_normal(" addr 0x%"PRIxBUSADDR, aa->aa_addr);
187 if (aa->aa_irq[0] >= 0)
188 aprint_normal(" irq %d", aa->aa_irq[0]);
189 if (aa->aa_irq[1] >= 0)
190 aprint_normal(",%d", aa->aa_irq[1]);
191 return (UNCONF);
192 }
193
194 #if 0
195 void
196 aubus_alloc_dma_tag(device_t sc, bus_dma_tag_t pdt)
197 {
198 bus_dma_tag_t t;
199
200 t = pdt;
201 t->_cookie = sc;
202 t->_wbase = 0; /* XXX */
203 t->_physbase = 0; /* XXX */
204 t->_wsize = MIPS_KSEG1_START - MIPS_KSEG0_START;
205 t->_dmamap_create = _bus_dmamap_create;
206 t->_dmamap_destroy = _bus_dmamap_destroy;
207 t->_dmamap_load = _bus_dmamap_load;
208 t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf;
209 t->_dmamap_load_uio = _bus_dmamap_load_uio;
210 t->_dmamap_load_raw = _bus_dmamap_load_raw;
211 t->_dmamap_unload = _bus_dmamap_unload;
212 t->_dmamap_sync = _bus_dmamap_sync;
213 t->_dmamem_alloc = _bus_dmamem_alloc;
214 t->_dmamem_free = _bus_dmamem_free;
215 t->_dmamem_map = _bus_dmamem_map;
216 t->_dmamem_unmap = _bus_dmamem_unmap;
217 t->_dmamem_mmap = _bus_dmamem_mmap;
218 }
219 #endif
220