1 /* $NetBSD: obio.c,v 1.6 2002/10/03 20:14:59 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2001, 2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe 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 * On-board device autoconfiguration support for Intel IQ80321 40 * evaluation boards. 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 47 #include <machine/autoconf.h> 48 #include <machine/bus.h> 49 50 #include <arm/xscale/i80321reg.h> 51 52 #include <evbarm/iq80321/iq80321reg.h> 53 #include <evbarm/iq80321/obiovar.h> 54 55 #include "locators.h" 56 57 int obio_match(struct device *, struct cfdata *, void *); 58 void obio_attach(struct device *, struct device *, void *); 59 60 CFATTACH_DECL(obio, sizeof(struct device), 61 obio_match, obio_attach, NULL, NULL); 62 63 int obio_print(void *, const char *); 64 int obio_search(struct device *, struct cfdata *, void *); 65 66 /* there can be only one */ 67 int obio_found; 68 69 int 70 obio_match(struct device *parent, struct cfdata *cf, void *aux) 71 { 72 #if 0 73 struct mainbus_attach_args *ma = aux; 74 #endif 75 76 if (obio_found) 77 return (0); 78 79 #if 1 80 /* XXX Shoot arch/arm/mainbus in the head. */ 81 return (1); 82 #else 83 if (strcmp(cf->cf_name, ma->ma_name) == 0) 84 return (1); 85 86 return (0); 87 #endif 88 } 89 90 void 91 obio_attach(struct device *parent, struct device *self, void *aux) 92 { 93 94 obio_found = 1; 95 96 printf("\n"); 97 98 /* 99 * Attach all on-board devices as described in the kernel 100 * configuration file. 101 */ 102 config_search(obio_search, self, NULL); 103 } 104 105 int 106 obio_print(void *aux, const char *pnp) 107 { 108 struct obio_attach_args *oba = aux; 109 110 printf(" addr 0x%08lx", oba->oba_addr); 111 if (oba->oba_irq != -1) 112 printf(" xint %d", oba->oba_irq - ICU_INT_XINT0); 113 114 return (UNCONF); 115 } 116 117 int 118 obio_search(struct device *parent, struct cfdata *cf, void *aux) 119 { 120 struct obio_attach_args oba; 121 122 oba.oba_st = &obio_bs_tag; 123 124 oba.oba_addr = cf->cf_loc[OBIOCF_ADDR]; 125 126 if (cf->cf_loc[OBIOCF_XINT] != OBIOCF_XINT_DEFAULT) 127 oba.oba_irq = ICU_INT_XINT(cf->cf_loc[OBIOCF_XINT]); 128 else 129 oba.oba_irq = -1; 130 131 if (config_match(parent, cf, &oba) > 0) 132 config_attach(parent, cf, &oba, obio_print); 133 134 return (0); 135 } 136