sbobio.c revision 1.12
1 /* $NetBSD: sbobio.c,v 1.12 2003/07/15 02:43:40 lukem 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/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: sbobio.c,v 1.12 2003/07/15 02:43:40 lukem Exp $"); 37 38 #include <sys/param.h> 39 #include <sys/device.h> 40 #include <sys/systm.h> 41 42 #include <machine/locore.h> 43 #include <mips/sibyte/include/sb1250_regs.h> 44 #include <mips/sibyte/include/sb1250_scd.h> 45 #include <mips/sibyte/include/zbbusvar.h> 46 #include <mips/sibyte/dev/sbobiovar.h> 47 48 #include "locators.h" 49 50 static int sbobio_match(struct device *, struct cfdata *, void *); 51 static void sbobio_attach(struct device *, struct device *, void *); 52 53 CFATTACH_DECL(sbobio, sizeof(struct device), 54 sbobio_match, sbobio_attach, NULL, NULL); 55 56 static int sbobio_print(void *, const char *); 57 static int sbobio_submatch(struct device *, struct cfdata *, void *); 58 static const char *sbobio_device_type_name(enum sbobio_device_type type); 59 60 static const struct sbobio_attach_locs sb1250_rev1_sbobio_devs[] = { 61 { 0x0000, {6,-1}, SBOBIO_DEVTYPE_SMBUS }, 62 { 0x0008, {7,-1}, SBOBIO_DEVTYPE_SMBUS }, 63 { 0x0100, {8,9}, SBOBIO_DEVTYPE_DUART }, 64 { 0x0400, {10,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 65 { 0x0800, {11,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 66 #if 0 67 { 0x1000, {-1,-1}, SBOBIO_DEVTYPE_GBUS, }, /* XXXCGD ??? */ 68 #endif 69 { 0x4000, {19,-1}, SBOBIO_DEVTYPE_MAC, }, 70 { 0x5000, {20,-1}, SBOBIO_DEVTYPE_MAC, }, 71 { 0x6000, {21,-1}, SBOBIO_DEVTYPE_MAC, }, 72 }; 73 static const int sb1250_rev1_sbobio_dev_count = 74 sizeof sb1250_rev1_sbobio_devs / sizeof sb1250_rev1_sbobio_devs[0]; 75 76 static const struct sbobio_attach_locs sb1250_sbobio_devs[] = { 77 { 0x0000, {6,-1}, SBOBIO_DEVTYPE_SMBUS }, 78 { 0x0008, {7,-1}, SBOBIO_DEVTYPE_SMBUS }, 79 { 0x0100, {8,9}, SBOBIO_DEVTYPE_DUART }, 80 { 0x0400, {10,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 81 { 0x0800, {11,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 82 #if 0 83 { 0x1000, {-1,-1}, SBOBIO_DEVTYPE_GBUS, }, /* XXXCGD ??? */ 84 #endif 85 { 0x4000, {19,61}, SBOBIO_DEVTYPE_MAC, }, 86 { 0x5000, {20,62}, SBOBIO_DEVTYPE_MAC, }, 87 { 0x6000, {21,63}, SBOBIO_DEVTYPE_MAC, }, 88 }; 89 static const int sb1250_sbobio_dev_count = 90 sizeof sb1250_sbobio_devs / sizeof sb1250_sbobio_devs[0]; 91 92 static const struct sbobio_attach_locs sb112x_sbobio_devs[] = { 93 { 0x0000, {6,-1}, SBOBIO_DEVTYPE_SMBUS }, 94 { 0x0008, {7,-1}, SBOBIO_DEVTYPE_SMBUS }, 95 { 0x0100, {8,9}, SBOBIO_DEVTYPE_DUART }, 96 { 0x0400, {10,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 97 { 0x0800, {11,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 98 #if 0 99 { 0x1000, {-1,-1}, SBOBIO_DEVTYPE_GBUS, }, /* XXXCGD ??? */ 100 #endif 101 { 0x4000, {19,61}, SBOBIO_DEVTYPE_MAC, }, 102 { 0x5000, {20,62}, SBOBIO_DEVTYPE_MAC, }, 103 }; 104 static const int sb112x_sbobio_dev_count = 105 sizeof sb112x_sbobio_devs / sizeof sb112x_sbobio_devs[0]; 106 107 static int 108 sbobio_match(struct device *parent, struct cfdata *match, void *aux) 109 { 110 struct zbbus_attach_args *zap = aux; 111 uint64_t sysrev; 112 113 if (zap->za_locs.za_type != ZBBUS_ENTTYPE_OBIO) 114 return (0); 115 116 sysrev = mips3_ld((u_int64_t *)MIPS_PHYS_TO_KSEG1(A_SCD_SYSTEM_REVISION)); 117 switch (SYS_SOC_TYPE(sysrev)) { 118 case K_SYS_SOC_TYPE_BCM1120: 119 case K_SYS_SOC_TYPE_BCM1125: 120 case K_SYS_SOC_TYPE_BCM1125H: 121 case K_SYS_SOC_TYPE_BCM1250: 122 break; 123 124 default: 125 return (0); 126 } 127 128 return (1); 129 } 130 131 static void 132 sbobio_attach(struct device *parent, struct device *self, void *aux) 133 { 134 struct sbobio_attach_args sa; 135 const char *dscr; 136 const struct sbobio_attach_locs *devs; 137 uint64_t sysrev; 138 int i, devcount; 139 140 sysrev = mips3_ld((u_int64_t *)MIPS_PHYS_TO_KSEG1(A_SCD_SYSTEM_REVISION)); 141 switch (SYS_SOC_TYPE(sysrev)) { 142 case K_SYS_SOC_TYPE_BCM1120: 143 case K_SYS_SOC_TYPE_BCM1125: 144 case K_SYS_SOC_TYPE_BCM1125H: 145 dscr = "BCM112x"; 146 devs = sb112x_sbobio_devs; 147 devcount = sb112x_sbobio_dev_count; 148 break; 149 150 case K_SYS_SOC_TYPE_BCM1250: 151 if (G_SYS_REVISION(sysrev) >= K_SYS_REVISION_BCM1250_PASS2) { 152 dscr = "BCM1250 (rev2 and later)"; 153 devs = sb1250_sbobio_devs; 154 devcount = sb1250_sbobio_dev_count; 155 } else { 156 dscr = "BCM1250 rev1"; 157 devs = sb1250_rev1_sbobio_devs; 158 devcount = sb1250_rev1_sbobio_dev_count; 159 } 160 break; 161 #ifdef DIAGNOSTIC 162 default: 163 panic("un-matched in sbobio_attach"); 164 break; 165 #endif 166 } 167 168 printf(": %s peripherals\n", dscr); 169 170 for (i = 0; i < devcount; i++) { 171 memset(&sa, 0, sizeof sa); 172 sa.sa_base = A_PHYS_IO_SYSTEM; 173 sa.sa_locs = devs[i]; 174 config_found_sm(self, &sa, sbobio_print, sbobio_submatch); 175 } 176 return; 177 } 178 179 int 180 sbobio_print(void *aux, const char *pnp) 181 { 182 struct sbobio_attach_args *sap = aux; 183 int i; 184 185 if (pnp) 186 aprint_normal("%s at %s", 187 sbobio_device_type_name(sap->sa_locs.sa_type), pnp); 188 aprint_normal(" offset 0x%lx", (long)sap->sa_locs.sa_offset); 189 for (i = 0; i < 2; i++) { 190 if (sap->sa_locs.sa_intr[i] != SBOBIOCF_INTR_DEFAULT) 191 aprint_normal("%s%ld", i == 0 ? " intr " : ",", 192 (long)sap->sa_locs.sa_intr[i]); 193 } 194 return (UNCONF); 195 } 196 197 static int 198 sbobio_submatch(struct device *parent, struct cfdata *cf, void *aux) 199 { 200 struct sbobio_attach_args *sap = aux; 201 int i; 202 203 if (cf->cf_loc[SBOBIOCF_OFFSET] != SBOBIOCF_OFFSET_DEFAULT && 204 cf->cf_loc[SBOBIOCF_OFFSET] != sap->sa_locs.sa_offset) 205 return (0); 206 207 for (i = 0; i < 2; i++) { 208 if (cf->cf_loc[SBOBIOCF_INTR + i] != SBOBIOCF_INTR_DEFAULT && 209 cf->cf_loc[SBOBIOCF_INTR + i] != sap->sa_locs.sa_intr[i]) 210 return (0); 211 } 212 213 return (config_match(parent, cf, aux)); 214 } 215 216 static const char * 217 sbobio_device_type_name(enum sbobio_device_type type) 218 { 219 220 switch (type) { 221 case SBOBIO_DEVTYPE_SMBUS: 222 return ("sbsmbus"); 223 case SBOBIO_DEVTYPE_DUART: 224 return ("sbscn"); 225 case SBOBIO_DEVTYPE_SYNCSERIAL: 226 return ("sbsync"); 227 case SBOBIO_DEVTYPE_GBUS: 228 return ("sbgbus"); 229 case SBOBIO_DEVTYPE_MAC: 230 return ("sbmac"); 231 } 232 panic("sbobio_device_type_name"); 233 return ("panic"); 234 } 235
Indexes created Mon Sep 29 21:09:56 GMT 2025