1 /* $NetBSD: sbscd.c,v 1.7 2003/02/07 17:38:49 cgd 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. The "Broadcom Corporation" name may not be 19 * used to endorse or promote products derived from this software 20 * without the prior written permission of Broadcom Corporation. 21 * 22 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED 23 * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF 24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR 25 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE 26 * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE 27 * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 32 * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/param.h> 36 #include <sys/device.h> 37 #include <sys/systm.h> 38 39 #include <mips/sibyte/include/zbbusvar.h> 40 #include <mips/sibyte/dev/sbscdvar.h> 41 42 #include "locators.h" 43 44 static int sbscd_match(struct device *, struct cfdata *, void *); 45 static void sbscd_attach(struct device *, struct device *, void *); 46 47 CFATTACH_DECL(sbscd, sizeof(struct device), 48 sbscd_match, sbscd_attach, NULL, NULL); 49 50 static int sbscd_print(void *, const char *); 51 static int sbscd_submatch(struct device *, struct cfdata *, void *); 52 static const char *sbscd_device_type_name(enum sbscd_device_type type); 53 54 static const struct sbscd_attach_locs sb1250_sbscd_devs[] = { 55 #if 0 56 { 0x20000, {-1,-1}, SBSCD_DEVTYPE_ICU, }, 57 #endif 58 { 0x20050, {0,-1}, SBSCD_DEVTYPE_WDOG, }, 59 { 0x20150, {1,-1}, SBSCD_DEVTYPE_WDOG, }, 60 { 0x20070, {2,-1}, SBSCD_DEVTYPE_TIMER, }, 61 { 0x20078, {3,-1}, SBSCD_DEVTYPE_TIMER, }, 62 { 0x20170, {4,-1}, SBSCD_DEVTYPE_TIMER, }, 63 { 0x20178, {5,-1}, SBSCD_DEVTYPE_TIMER, }, 64 { 0x1FFA0, {-1,-1}, SBSCD_DEVTYPE_JTAGCONS, }, 65 /* XXX others */ 66 }; 67 static const int sb1250_sbscd_dev_count = 68 sizeof sb1250_sbscd_devs / sizeof sb1250_sbscd_devs[0]; 69 70 static int 71 sbscd_match(struct device *parent, struct cfdata *match, void *aux) 72 { 73 struct zbbus_attach_args *zap = aux; 74 75 if (zap->za_locs.za_type != ZBBUS_ENTTYPE_SCD) 76 return (0); 77 78 return 1; 79 } 80 81 static void 82 sbscd_attach(struct device *parent, struct device *self, void *aux) 83 { 84 struct sbscd_attach_args sa; 85 int i; 86 87 printf("\n"); 88 89 for (i = 0; i < sb1250_sbscd_dev_count; i++) { 90 memset(&sa, 0, sizeof sa); 91 sa.sa_base = 0x10000000; /* XXXCGD */ 92 sa.sa_locs = sb1250_sbscd_devs[i]; 93 config_found_sm(self, &sa, sbscd_print, sbscd_submatch); 94 } 95 return; 96 } 97 98 int 99 sbscd_print(void *aux, const char *pnp) 100 { 101 struct sbscd_attach_args *sap = aux; 102 int i; 103 104 if (pnp) 105 aprint_normal("%s at %s", 106 sbscd_device_type_name(sap->sa_locs.sa_type), pnp); 107 aprint_normal(" offset 0x%lx", (long)sap->sa_locs.sa_offset); 108 for (i = 0; i < 2; i++) { 109 if (sap->sa_locs.sa_intr[i] != -1) 110 aprint_normal("%s%ld", i == 0 ? " intr " : ",", 111 (long)sap->sa_locs.sa_intr[i]); 112 } 113 return (UNCONF); 114 } 115 116 static int 117 sbscd_submatch(struct device *parent, struct cfdata *cf, void *aux) 118 { 119 struct sbscd_attach_args *sap = aux; 120 int i; 121 122 if (cf->cf_loc[SBSCDCF_OFFSET] != SBSCDCF_OFFSET_DEFAULT && 123 cf->cf_loc[SBSCDCF_OFFSET] != sap->sa_locs.sa_offset) 124 return (0); 125 126 for (i = 0; i < 2; i++) { 127 if (cf->cf_loc[SBSCDCF_INTR + i] != SBSCDCF_INTR_DEFAULT && 128 cf->cf_loc[SBSCDCF_INTR + i] != sap->sa_locs.sa_intr[i]) 129 return (0); 130 } 131 132 return (config_match(parent, cf, aux)); 133 } 134 135 static const char * 136 sbscd_device_type_name(enum sbscd_device_type type) 137 { 138 139 switch (type) { 140 case SBSCD_DEVTYPE_ICU: 141 return ("sbicu"); 142 case SBSCD_DEVTYPE_WDOG: 143 return ("sbwdog"); 144 case SBSCD_DEVTYPE_TIMER: 145 return ("sbtimer"); 146 case SBSCD_DEVTYPE_JTAGCONS: 147 return ("sbjcn"); 148 149 } 150 panic("sbscd_device_type_name"); 151 return ("panic"); 152 } 153