xref: /netbsd/sys/arch/mips/alchemy/aubus.c (revision c4a72b64)
1 /* $NetBSD: aubus.c,v 1.5 2002/11/11 16:39:18 simonb Exp $ */
2 
3 /*
4  * Copyright 2001 Wasabi Systems, Inc.
5  * All rights reserved.
6  *
7  * Written by Simon Burge for Wasabi Systems, 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. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *      This product includes software developed for the NetBSD Project by
20  *      Wasabi Systems, Inc.
21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 /*
39  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
40  *
41  * Redistribution and use in source and binary forms, with or without
42  * modification, are permitted provided that the following conditions
43  * are met:
44  * 1. Redistributions of source code must retain the above copyright
45  *    notice, this list of conditions and the following disclaimer.
46  * 2. Redistributions in binary form must reproduce the above copyright
47  *    notice, this list of conditions and the following disclaimer in the
48  *    documentation and/or other materials provided with the distribution.
49  * 3. All advertising materials mentioning features or use of this software
50  *    must display the following acknowledgement:
51  *      This product includes software developed by Christopher G. Demetriou
52  *	for the NetBSD Project.
53  * 4. The name of the author may not be used to endorse or promote products
54  *    derived from this software without specific prior written permission
55  *
56  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
57  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
58  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
59  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
60  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
61  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
62  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
63  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
64  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
65  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66  */
67 
68 #include "locators.h"
69 
70 #include <sys/param.h>
71 #include <sys/systm.h>
72 #include <sys/device.h>
73 #include <sys/extent.h>
74 #include <sys/malloc.h>
75 
76 #include <machine/bus.h>
77 #include <machine/locore.h>
78 #include <mips/alchemy/include/aureg.h>
79 #include <mips/alchemy/include/aubusvar.h>
80 
81 struct au1x00_dev {
82 	const char *name;
83 	bus_addr_t addr[3];
84 	int irq[2];
85 };
86 
87 /*
88  * The devices built in to the Au1000 cpu.
89  */
90 const struct au1x00_dev au1000_devs [] = {
91 	{ "aucom",	{ UART0_BASE },				   {  0, -1 }},
92 	{ "aucom",	{ UART1_BASE },				   {  1, -1 }},
93 	{ "aucom",	{ UART2_BASE },				   {  2, -1 }},
94 	{ "aucom",	{ UART3_BASE },				   {  3, -1 }},
95 	{ "aurtc",	{ },					   { -1, -1 }},
96 	{ "aumac",	{ MAC0_BASE, MAC0_ENABLE, MAC0_DMA_BASE }, { 28, -1 }},
97 	{ "aumac",	{ MAC1_BASE, MAC1_ENABLE, MAC1_DMA_BASE }, { 29, -1 }},
98 	{ "auaudio",	{ AC97_BASE },				   { 27, 31 }},
99 	{ "ohci",	{ USBH_BASE },				   { 26, -1 }},
100 	{ "usbd",	{ USBD_BASE },				   { 24, 25 }},
101 	{ "irda",	{ IRDA_BASE },				   { 22, 23 }},
102 	{ "gpio",	{ SYS_BASE },				   { -1, -1 }},
103 	{ "i2s",	{ I2S_BASE },				   { -1, -1 }},
104 	{ "ssi",	{ SSI0_BASE },				   {  4, -1 }},
105 	{ "ssi",	{ SSI1_BASE },				   {  5, -1 }},
106 	{ NULL }
107 };
108 
109 /*
110  * The devices built in to the Au1500 cpu.
111  */
112 const struct au1x00_dev au1500_devs [] = {
113 	{ "aucom",	{ UART0_BASE },				   {  0, -1 }},
114 	{ "aucom",	{ UART3_BASE },				   {  3, -1 }},
115 	{ "aurtc",	{ },					   { -1, -1 }},
116 	{ "aumac",	{ AU1500_MAC0_BASE, AU1500_MAC0_ENABLE,
117 			      MAC0_DMA_BASE },			   { 28, -1 }},
118 	{ "aumac",	{ AU1500_MAC1_BASE, AU1500_MAC1_ENABLE,
119 			      MAC1_DMA_BASE },			   { 29, -1 }},
120 	{ "auaudio",	{ AC97_BASE },				   { 27, 31 }},
121 	{ "ohci",	{ USBH_BASE },				   { 26, -1 }},
122 	{ "usbd",	{ USBD_BASE },				   { 24, 25 }},
123 	{ "gpio",	{ SYS_BASE },				   { -1, -1 }},
124 	{ "gpio2",	{ GPIO2_BASE },				   { -1, -1 }},
125 	{ "i2s",	{ I2S_BASE },				   { -1, -1 }},
126 	{ "aupci",	{ },					   { -1, -1 }},
127 	{ NULL }
128 };
129 
130 
131 /*
132  * The devices built in to the Au1100 cpu.
133  */
134 const struct au1x00_dev au1100_devs [] = {
135 	{ "aucom",	{ UART0_BASE },				   {  0, -1 }},
136 	{ "aucom",	{ UART1_BASE },				   {  1, -1 }},
137 	{ "aucom",	{ UART3_BASE },				   {  3, -1 }},
138 	{ "aurtc",	{ },					   { -1, -1 }},
139 	{ "aumac",	{ MAC0_BASE, MAC0_ENABLE, MAC0_DMA_BASE }, { 28, -1 }},
140 	{ "auaudio",	{ AC97_BASE },				   { 27, 31 }},
141 	{ "ohci",	{ USBH_BASE },				   { 26, -1 }},
142 	{ "usbd",	{ USBD_BASE },				   { 24, 25 }},
143 	{ "irda",	{ IRDA_BASE },				   { 22, 23 }},
144 	{ "gpio",	{ SYS_BASE },				   { -1, -1 }},
145 	{ "gpio2",	{ GPIO2_BASE },				   { 29, -1 }},
146 	{ "i2s",	{ I2S_BASE },				   { 30, -1 }},
147 	{ "ssi",	{ SSI0_BASE },				   {  4, -1 }},
148 	{ "ssi",	{ SSI1_BASE },				   {  5, -1 }},
149 	{ "sd0",	{ SD0_BASE },				   {  5, -1 }},
150 	{ "sd1",	{ SD1_BASE },				   {  5, -1 }},
151 	{ NULL }
152 };
153 
154 
155 static int	aubus_match(struct device *, struct cfdata *, void *);
156 static void	aubus_attach(struct device *, struct device *, void *);
157 static int	aubus_submatch(struct device *, struct cfdata *, void *);
158 static int	aubus_print(void *, const char *);
159 
160 CFATTACH_DECL(aubus, sizeof(struct device),
161     aubus_match, aubus_attach, NULL, NULL);
162 
163 bus_space_tag_t	aubus_st;		/* XXX */
164 
165 /*
166  * Probe for the aubus; always succeeds.
167  */
168 static int
169 aubus_match(struct device *parent, struct cfdata *match, void *aux)
170 {
171 
172 	return 1;
173 }
174 
175 static int
176 aubus_submatch(struct device *parent, struct cfdata *cf, void *aux)
177 {
178 	struct aubus_attach_args *aa = aux;
179 
180 	if (cf->cf_loc[AUBUSCF_ADDR] != AUBUSCF_ADDR_DEFAULT &&
181 	    cf->cf_loc[AUBUSCF_ADDR] != aa->aa_addr)
182 		return (0);
183 
184 	return (config_match(parent, cf, aux));
185 }
186 
187 /*
188  * Attach the aubus.
189  */
190 static void
191 aubus_attach(struct device *parent, struct device *self, void *aux)
192 {
193 	struct aubus_attach_args aa;
194 	const struct au1x00_dev *ad;
195 
196 	printf("\n");
197 
198 	switch (MIPS_PRID_COPTS(cpu_id)) {
199 	case MIPS_AU1000:
200 		ad = au1000_devs;
201 		break;
202 	case MIPS_AU1500:
203 		ad = au1500_devs;
204 		break;
205 	case MIPS_AU1100:
206 		ad = au1100_devs;
207 		break;
208 	default:
209 		panic("Unknown Alchemy SOC identification %d",
210 		    MIPS_PRID_COPTS(cpu_id));
211 	}
212 
213 	for (; ad->name != NULL; ad++) {
214 		aa.aa_name = ad->name;
215 		aa.aa_st = aubus_st;
216 		aa.aa_addrs[0] = ad->addr[0];
217 		aa.aa_addrs[1] = ad->addr[1];
218 		aa.aa_addrs[2] = ad->addr[2];
219 		aa.aa_irq[0] = ad->irq[0];
220 		aa.aa_irq[1] = ad->irq[1];
221 
222 		(void) config_found_sm(self, &aa, aubus_print, aubus_submatch);
223 	}
224 }
225 
226 static int
227 aubus_print(void *aux, const char *pnp)
228 {
229 	struct aubus_attach_args *aa = aux;
230 
231 	if (pnp)
232 		printf("%s at %s", aa->aa_name, pnp);
233 
234 	if (aa->aa_addr != AUBUSCF_ADDR_DEFAULT)
235 		printf(" %s 0x%lx", aubuscf_locnames[AUBUSCF_ADDR],
236 		    aa->aa_addr);
237 	if (aa->aa_irq[0] >= 0)
238 		printf(" irq %d", aa->aa_irq[0]);
239 	if (aa->aa_irq[1] >= 0)
240 		printf(",%d", aa->aa_irq[1]);
241 	return (UNCONF);
242 }
243