1 /* $NetBSD: zbbus.c,v 1.5 2002/10/02 15:52:31 thorpej Exp $ */ 2 3 /* 4 * Copyright 2000, 2001 5 * Broadcom Corporation. All rights reserved. 6 * 7 * This software is furnished under license and may be used and copied only 8 * in accordance with the following terms and conditions. Subject to these 9 * conditions, you may download, copy, install, use, modify and distribute 10 * modified or unmodified copies of this software in source and/or binary 11 * form. No title or ownership is transferred hereby. 12 * 13 * 1) Any source code used, modified or distributed must reproduce and 14 * retain this copyright notice and list of conditions as they appear in 15 * the source file. 16 * 17 * 2) No right is granted to use any trade name, trademark, or logo of 18 * Broadcom Corporation. Neither the "Broadcom Corporation" name nor any 19 * trademark or logo of Broadcom Corporation may be used to endorse or 20 * promote products derived from this software without the prior written 21 * permission of Broadcom Corporation. 22 * 23 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED 24 * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR 26 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE 27 * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE 28 * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 33 * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 40 #include <mips/sibyte/include/zbbusvar.h> 41 42 #include "locators.h" 43 44 static int zbbus_match(struct device *, struct cfdata *, void *); 45 static void zbbus_attach(struct device *, struct device *, void *); 46 47 CFATTACH_DECL(zbbus, sizeof(struct device), 48 zbbus_match, zbbus_attach, NULL, NULL); 49 50 static int zbbus_print(void *, const char *); 51 static int zbbus_submatch(struct device *, struct cfdata *, void *); 52 static const char *zbbus_entity_type_name(enum zbbus_entity_type type); 53 54 static int zbbus_attached; 55 56 static const struct zbbus_attach_locs sb1250_zbbus_devs[] = { 57 { 0, ZBBUS_ENTTYPE_CPU }, 58 { 1, ZBBUS_ENTTYPE_CPU }, 59 { 4, ZBBUS_ENTTYPE_SCD }, 60 { 2, ZBBUS_ENTTYPE_BRZ }, 61 { 3, ZBBUS_ENTTYPE_OBIO }, 62 }; 63 static const int sb1250_zbbus_dev_count = 64 sizeof sb1250_zbbus_devs / sizeof sb1250_zbbus_devs[0]; 65 66 static int 67 zbbus_match(struct device *parent, struct cfdata *match, void *aux) 68 { 69 70 if (zbbus_attached) 71 return (0); 72 return 1; 73 } 74 75 static void 76 zbbus_attach(struct device *parent, struct device *self, void *aux) 77 { 78 struct zbbus_attach_args za; 79 int i; 80 81 printf("\n"); 82 zbbus_attached = 1; 83 84 sb1250_icu_init(); 85 86 for (i = 0; i < sb1250_zbbus_dev_count; i++) { 87 memset(&za, 0, sizeof za); 88 za.za_locs = sb1250_zbbus_devs[i]; 89 config_found_sm(self, &za, zbbus_print, zbbus_submatch); 90 } 91 92 return; 93 } 94 95 int 96 zbbus_print(void *aux, const char *pnp) 97 { 98 struct zbbus_attach_args *zap = aux; 99 100 if (pnp) 101 printf("%s at %s", 102 zbbus_entity_type_name(zap->za_locs.za_type), pnp); 103 printf(" busid %d", zap->za_locs.za_busid); 104 return (UNCONF); 105 } 106 107 static int 108 zbbus_submatch(struct device *parent, struct cfdata *cf, void *aux) 109 { 110 struct zbbus_attach_args *zap = aux; 111 112 if (cf->cf_loc[ZBBUSCF_BUSID] != ZBBUSCF_BUSID_DEFAULT && 113 cf->cf_loc[ZBBUSCF_BUSID] != zap->za_locs.za_busid) 114 return (0); 115 116 return (config_match(parent, cf, aux)); 117 } 118 119 static const char * 120 zbbus_entity_type_name(enum zbbus_entity_type type) 121 { 122 123 switch (type) { 124 case ZBBUS_ENTTYPE_CPU: 125 return ("cpu"); 126 case ZBBUS_ENTTYPE_SCD: 127 return ("sbscd"); 128 case ZBBUS_ENTTYPE_BRZ: 129 return ("sbbrz"); 130 case ZBBUS_ENTTYPE_OBIO: 131 return ("sbobio"); 132 } 133 panic("zbbus_entity_type_name"); 134 return ("panic"); 135 } 136