1/* $NetBSD: obio.c,v 1.3 2021/08/07 16:18:49 thorpej 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/* 39 * On-board device autoconfiguration support for Tungsten motherboards. 40 */ 41 42#include <sys/cdefs.h> 43__KERNEL_RCSID(0, "$NetBSD: obio.c,v 1.3 2021/08/07 16:18:49 thorpej Exp $"); 44 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/device.h> 48 49#include <machine/autoconf.h> 50#include <sys/bus.h> 51 52#include <arm/xscale/i80321reg.h> 53 54#include <evbarm/iyonix/iyonixreg.h> 55#include <evbarm/iyonix/obiovar.h> 56 57#include "locators.h" 58 59int obio_match(device_t, cfdata_t, void *); 60void obio_attach(device_t, device_t, void *); 61 62CFATTACH_DECL_NEW(obio, 0, 63 obio_match, obio_attach, NULL, NULL); 64 65int obio_print(void *, const char *); 66int obio_search(device_t, cfdata_t, const int *, void *); 67 68/* there can be only one */ 69bool obio_found; 70 71int 72obio_match(device_t parent, cfdata_t cf, void *aux) 73{ 74#if 0 75 struct mainbus_attach_args *ma = aux; 76#endif 77 78 if (obio_found) 79 return (0); 80 81#if 1 82 /* XXX Shoot arch/arm/mainbus in the head. */ 83 return (1); 84#else 85 if (strcmp(cf->cf_name, ma->ma_name) == 0) 86 return (1); 87 88 return (0); 89#endif 90} 91 92void 93obio_attach(device_t parent, device_t self, void *aux) 94{ 95 96 obio_found = true; 97 98 aprint_naive("\n"); 99 aprint_normal("\n"); 100 101 /* 102 * Attach all on-board devices as described in the kernel 103 * configuration file. 104 */ 105 config_search(self, NULL, 106 CFARGS(.search = obio_search)); 107} 108 109int 110obio_print(void *aux, const char *pnp) 111{ 112 struct obio_attach_args *oba = aux; 113 114 aprint_normal(" addr 0x%08lx", oba->oba_addr); 115 if (oba->oba_size != OBIOCF_SIZE_DEFAULT) 116 aprint_normal("-0x%08lx", oba->oba_addr + (oba->oba_size - 1)); 117 if (oba->oba_width != OBIOCF_WIDTH_DEFAULT) 118 aprint_normal(" width %d", oba->oba_width); 119 if (oba->oba_irq != -1) 120 aprint_normal(" xint %d", oba->oba_irq - ICU_INT_XINT0); 121 122 return (UNCONF); 123} 124 125int 126obio_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 127{ 128 struct obio_attach_args oba; 129 130 oba.oba_st = &obio_bs_tag; 131 132 oba.oba_addr = cf->cf_loc[OBIOCF_ADDR]; 133 oba.oba_size = cf->cf_loc[OBIOCF_SIZE]; 134 oba.oba_width = cf->cf_loc[OBIOCF_WIDTH]; 135 136 if (cf->cf_loc[OBIOCF_XINT] != OBIOCF_XINT_DEFAULT) 137 oba.oba_irq = ICU_INT_XINT(cf->cf_loc[OBIOCF_XINT]); 138 else 139 oba.oba_irq = -1; 140 141 if (config_probe(parent, cf, &oba)) 142 config_attach(parent, cf, &oba, obio_print, CFARGS_NONE); 143 144 return (0); 145} 146