1 /* $NetBSD: obio.c,v 1.1 2002/03/27 21:51:30 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 struct cfattach obio_ca = { 61 sizeof(struct device), obio_match, obio_attach, 62 }; 63 64 int obio_print(void *, const char *); 65 int obio_submatch(struct device *, struct cfdata *, void *); 66 67 /* there can be only one */ 68 int obio_found; 69 70 struct { 71 const char *od_name; 72 bus_addr_t od_addr; 73 int od_irq; 74 } obio_devices[] = 75 { 76 { "com", IQ80321_UART1, ICU_INT_XINT(1) }, 77 78 { NULL, 0, 0 }, 79 }; 80 81 int 82 obio_match(struct device *parent, struct cfdata *cf, void *aux) 83 { 84 #if 0 85 struct mainbus_attach_args *ma = aux; 86 #endif 87 88 if (obio_found) 89 return (0); 90 91 #if 1 92 /* XXX Shoot arch/arm/mainbus in the head. */ 93 return (1); 94 #else 95 if (strcmp(cf->cf_driver->cd_name, ma->ma_name) == 0) 96 return (1); 97 98 return (0); 99 #endif 100 } 101 102 void 103 obio_attach(struct device *parent, struct device *self, void *aux) 104 { 105 struct obio_attach_args oba; 106 int i; 107 108 obio_found = 1; 109 110 printf("\n"); 111 112 for (i = 0; obio_devices[i].od_name != NULL; i++) { 113 oba.oba_name = obio_devices[i].od_name; 114 oba.oba_st = &obio_bs_tag; 115 oba.oba_addr = obio_devices[i].od_addr; 116 oba.oba_irq = obio_devices[i].od_irq; 117 (void) config_found_sm(self, &oba, obio_print, obio_submatch); 118 } 119 } 120 121 int 122 obio_print(void *aux, const char *pnp) 123 { 124 struct obio_attach_args *oba = aux; 125 126 if (pnp) 127 printf("%s at %s", oba->oba_name, pnp); 128 129 printf(" addr 0x%08lx", oba->oba_addr); 130 131 return (UNCONF); 132 } 133 134 int 135 obio_submatch(struct device *parent, struct cfdata *cf, void *aux) 136 { 137 struct obio_attach_args *oba = aux; 138 139 if (cf->cf_loc[OBIOCF_ADDR] != OBIOCF_ADDR_DEFAULT && 140 cf->cf_loc[OBIOCF_ADDR] != oba->oba_addr) 141 return (0); 142 143 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 144 } 145