xref: /netbsd-src/sys/arch/hpcarm/dev/ipaq_saip.c (revision aaf4ece63a859a04e37cf3a7229b5fab0157cc06)
1 /*	$NetBSD: ipaq_saip.c,v 1.17 2005/12/11 12:17:32 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001, The NetBSD Foundation, Inc.  All rights reserved.
5  *
6  * This code is derived from software contributed to The NetBSD Foundation
7  * by Ichiro FUKUHARA (ichiro@ichiro.org).
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 by the NetBSD
20  *      Foundation, Inc. and its contributors.
21  * 4. Neither the name of The NetBSD Foundation nor the names of its
22  *    contributors may be used to endorse or promote products derived
23  *    from this software without specific prior written permission.
24  */
25 
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: ipaq_saip.c,v 1.17 2005/12/11 12:17:32 christos Exp $");
28 
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/types.h>
32 #include <sys/conf.h>
33 #include <sys/device.h>
34 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/uio.h>
37 
38 #include <machine/cpu.h>
39 #include <machine/bus.h>
40 
41 #include <arm/sa11x0/sa11x0_var.h>
42 #include <arm/sa11x0/sa11x0_reg.h>
43 #include <arm/sa11x0/sa11x0_dmacreg.h>
44 #include <arm/sa11x0/sa11x0_ppcreg.h>
45 #include <arm/sa11x0/sa11x0_gpioreg.h>
46 #include <arm/sa11x0/sa11x0_sspreg.h>
47 
48 #include <hpcarm/dev/ipaq_saipvar.h>
49 #include <hpcarm/dev/ipaq_gpioreg.h>
50 
51 /* prototypes */
52 static int	ipaq_match(struct device *, struct cfdata *, void *);
53 static void	ipaq_attach(struct device *, struct device *, void *);
54 static int 	ipaq_search(struct device *, struct cfdata *,
55 				const int *, void *);
56 static int	ipaq_print(void *, const char *);
57 
58 /* attach structures */
59 CFATTACH_DECL(ipaqbus, sizeof(struct ipaq_softc),
60     ipaq_match, ipaq_attach, NULL, NULL);
61 
62 static int
63 ipaq_print(aux, name)
64 	void *aux;
65 	const char *name;
66 {
67         return (UNCONF);
68 }
69 
70 int
71 ipaq_match(parent, match, aux)
72 	struct device *parent;
73 	struct cfdata *match;
74 	void *aux;
75 {
76 	return (1);
77 }
78 
79 void
80 ipaq_attach(parent, self, aux)
81 	struct device *parent;
82 	struct device *self;
83 	void *aux;
84 {
85 	struct ipaq_softc *sc = (struct ipaq_softc*)self;
86 	struct sa11x0_softc *psc = (struct sa11x0_softc *)parent;
87 
88 	printf("\n");
89 
90 	sc->sc_iot = psc->sc_iot;
91 	sc->sc_ioh = psc->sc_ioh;
92 	sc->sc_gpioh = psc->sc_gpioh;
93 
94 	/* Map the Extended GPIO registers */
95 	if (bus_space_map(sc->sc_iot, SAEGPIO_BASE, 1, 0, &sc->sc_egpioh))
96 		panic("%s: unable to map Extended GPIO registers",
97 			self->dv_xname);
98 
99 	sc->ipaq_egpio = EGPIO_INIT;
100         bus_space_write_2(sc->sc_iot, sc->sc_egpioh, 0, sc->ipaq_egpio);
101 
102 	/* Map the SSP registers */
103 	if (bus_space_map(sc->sc_iot, SASSP_BASE, SASSP_NPORTS, 0, &sc->sc_ssph))
104 		panic("%s: unable to map SSP registers",
105 			self->dv_xname);
106 
107 	sc->sc_ppch = psc->sc_ppch;
108 	sc->sc_dmach = psc->sc_dmach;
109 
110 	/*
111 	 *  Attach each devices
112 	 */
113 	config_search_ia(ipaq_search, self, "ipaqbus", NULL);
114 }
115 
116 int
117 ipaq_search(parent, cf, ldesc, aux)
118 	struct device *parent;
119 	struct cfdata *cf;
120 	const int *ldesc;
121 	void *aux;
122 {
123 	if (config_match(parent, cf, NULL) > 0)
124 		config_attach(parent, cf, NULL, ipaq_print);
125 
126         return 0;
127 }
128