1 /* $NetBSD: obio.c,v 1.1 2006/04/16 02:22:33 nonaka Exp $ */ 2 3 /* 4 * Copyright (c) 2001, 2002, 2003 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 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: obio.c,v 1.1 2006/04/16 02:22:33 nonaka Exp $"); 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/device.h> 44 45 #include <machine/autoconf.h> 46 #include <machine/bus.h> 47 48 #include <arm/xscale/i80321reg.h> 49 50 #include <evbarm/hdl_g/hdlgreg.h> 51 #include <evbarm/hdl_g/obiovar.h> 52 53 #include "locators.h" 54 55 int obio_match(struct device *, struct cfdata *, void *); 56 void obio_attach(struct device *, struct device *, void *); 57 58 CFATTACH_DECL(obio, sizeof(struct device), 59 obio_match, obio_attach, NULL, NULL); 60 61 int obio_print(void *, const char *); 62 int obio_search(struct device *, struct cfdata *, 63 const int *, void *); 64 65 /* there can be only one */ 66 int obio_found; 67 68 int 69 obio_match(struct device *parent, struct cfdata *cf, void *aux) 70 { 71 72 if (obio_found) 73 return 0; 74 return 1; 75 } 76 77 void 78 obio_attach(struct device *parent, struct device *self, void *aux) 79 { 80 81 obio_found = 1; 82 83 aprint_naive("\n"); 84 aprint_normal("\n"); 85 86 /* 87 * Attach all on-board devices as described in the kernel 88 * configuration file. 89 */ 90 config_search_ia(obio_search, self, "obio", NULL); 91 } 92 93 int 94 obio_print(void *aux, const char *pnp) 95 { 96 struct obio_attach_args *oba = aux; 97 98 aprint_normal(" addr 0x%08lx", oba->oba_addr); 99 if (oba->oba_size != OBIOCF_SIZE_DEFAULT) 100 aprint_normal("-0x%08lx", oba->oba_addr + (oba->oba_size - 1)); 101 if (oba->oba_width != OBIOCF_WIDTH_DEFAULT) 102 aprint_normal(" width %d", oba->oba_width); 103 if (oba->oba_irq != -1) 104 aprint_normal(" xint %d", oba->oba_irq - ICU_INT_XINT0); 105 106 return UNCONF; 107 } 108 109 int 110 obio_search(struct device *parent, struct cfdata *cf, 111 const int *ldesc, void *aux) 112 { 113 struct obio_attach_args oba; 114 115 oba.oba_st = &obio_bs_tag; 116 117 oba.oba_addr = cf->cf_loc[OBIOCF_ADDR]; 118 oba.oba_size = cf->cf_loc[OBIOCF_SIZE]; 119 oba.oba_width = cf->cf_loc[OBIOCF_WIDTH]; 120 121 if (cf->cf_loc[OBIOCF_XINT] != OBIOCF_XINT_DEFAULT) 122 oba.oba_irq = ICU_INT_XINT(cf->cf_loc[OBIOCF_XINT]); 123 else 124 oba.oba_irq = -1; 125 126 if (config_match(parent, cf, &oba) > 0) 127 config_attach(parent, cf, &oba, obio_print); 128 129 return 0; 130 } 131