1 /* $NetBSD: ixp425_sip.c,v 1.15 2021/08/07 16:18:46 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2003 5 * Ichiro FUKUHARA <ichiro@ichiro.org>. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __KERNEL_RCSID(0, "$NetBSD: ixp425_sip.c,v 1.15 2021/08/07 16:18:46 thorpej Exp $"); 32 33 /* 34 * Slow peripheral bus of IXP425 Processor 35 */ 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 41 #include <machine/autoconf.h> 42 #include <sys/bus.h> 43 44 #include <arm/xscale/ixp425var.h> 45 #include <arm/xscale/ixp425_sipvar.h> 46 47 #include "locators.h" 48 49 static int ixpsip_match(device_t, cfdata_t, void *); 50 static void ixpsip_attach(device_t, device_t, void *); 51 static int ixpsip_search(device_t, cfdata_t, const int *, void *); 52 static int ixpsip_print(void *, const char *); 53 54 CFATTACH_DECL_NEW(ixpsip, sizeof(struct ixpsip_softc), 55 ixpsip_match, ixpsip_attach, NULL, NULL); 56 57 struct ixpsip_softc *ixpsip_softc; 58 59 int 60 ixpsip_match(device_t parent, cfdata_t cf, void *aux) 61 { 62 return (1); 63 } 64 65 void 66 ixpsip_attach(device_t parent, device_t self, void *aux) 67 { 68 struct ixpsip_softc *sc = device_private(self); 69 sc->sc_iot = &ixp425_bs_tag; 70 71 ixpsip_softc = sc; 72 73 printf("\n"); 74 75 if (bus_space_map(sc->sc_iot, IXP425_EXP_HWBASE, IXP425_EXP_SIZE, 76 0, &sc->sc_ioh)) { 77 printf("%s: Can't map expansion bus control registers!\n", 78 device_xname(self)); 79 return; 80 } 81 82 /* 83 * Attach each devices 84 */ 85 config_search(self, NULL, 86 CFARGS(.search = ixpsip_search)); 87 } 88 89 int 90 ixpsip_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 91 { 92 struct ixpsip_softc *sc = device_private(parent); 93 struct ixpsip_attach_args sa; 94 95 sa.sa_iot = sc->sc_iot; 96 sa.sa_addr = cf->cf_loc[IXPSIPCF_ADDR]; 97 sa.sa_size = cf->cf_loc[IXPSIPCF_SIZE]; 98 sa.sa_index = cf->cf_loc[IXPSIPCF_INDEX]; 99 sa.sa_intr = cf->cf_loc[IXPSIPCF_INTR]; 100 101 if (config_probe(parent, cf, &sa)) 102 config_attach(parent, cf, &sa, ixpsip_print, CFARGS_NONE); 103 104 return (0); 105 } 106 107 static int 108 ixpsip_print(void *aux, const char *name) 109 { 110 struct ixpsip_attach_args *sa = aux; 111 112 if (sa->sa_size) 113 aprint_normal(" addr 0x%lx", sa->sa_addr); 114 if (sa->sa_size > 1) 115 aprint_normal("-0x%lx", sa->sa_addr + sa->sa_size - 1); 116 if (sa->sa_index > 1) 117 aprint_normal(" index %d", sa->sa_index); 118 if (sa->sa_intr > 1) 119 aprint_normal(" intr %d", sa->sa_intr); 120 121 return (UNCONF); 122 } 123