1 /* $NetBSD: sbobio.c,v 1.8 2003/01/01 01:48:55 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/device.h> 38 #include <sys/systm.h> 39 40 #include <machine/locore.h> 41 #include <mips/sibyte/include/sb1250_regs.h> 42 #include <mips/sibyte/include/sb1250_scd.h> 43 #include <mips/sibyte/include/zbbusvar.h> 44 #include <mips/sibyte/dev/sbobiovar.h> 45 46 #include "locators.h" 47 48 static int sbobio_match(struct device *, struct cfdata *, void *); 49 static void sbobio_attach(struct device *, struct device *, void *); 50 51 CFATTACH_DECL(sbobio, sizeof(struct device), 52 sbobio_match, sbobio_attach, NULL, NULL); 53 54 static int sbobio_print(void *, const char *); 55 static int sbobio_submatch(struct device *, struct cfdata *, void *); 56 static const char *sbobio_device_type_name(enum sbobio_device_type type); 57 58 static const struct sbobio_attach_locs sb1250_rev1_sbobio_devs[] = { 59 { 0x0000, {6,-1}, SBOBIO_DEVTYPE_SMBUS }, 60 { 0x0008, {7,-1}, SBOBIO_DEVTYPE_SMBUS }, 61 { 0x0100, {8,9}, SBOBIO_DEVTYPE_DUART }, 62 { 0x0400, {10,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 63 { 0x0800, {11,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 64 #if 0 65 { 0x1000, {-1,-1}, SBOBIO_DEVTYPE_GBUS, }, /* XXXCGD ??? */ 66 #endif 67 { 0x4000, {19,-1}, SBOBIO_DEVTYPE_MAC, }, 68 { 0x5000, {20,-1}, SBOBIO_DEVTYPE_MAC, }, 69 { 0x6000, {21,-1}, SBOBIO_DEVTYPE_MAC, }, 70 }; 71 static const int sb1250_rev1_sbobio_dev_count = 72 sizeof sb1250_rev1_sbobio_devs / sizeof sb1250_rev1_sbobio_devs[0]; 73 74 static const struct sbobio_attach_locs sb1250_sbobio_devs[] = { 75 { 0x0000, {6,-1}, SBOBIO_DEVTYPE_SMBUS }, 76 { 0x0008, {7,-1}, SBOBIO_DEVTYPE_SMBUS }, 77 { 0x0100, {8,9}, SBOBIO_DEVTYPE_DUART }, 78 { 0x0400, {10,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 79 { 0x0800, {11,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 80 #if 0 81 { 0x1000, {-1,-1}, SBOBIO_DEVTYPE_GBUS, }, /* XXXCGD ??? */ 82 #endif 83 { 0x4000, {19,61}, SBOBIO_DEVTYPE_MAC, }, 84 { 0x5000, {20,62}, SBOBIO_DEVTYPE_MAC, }, 85 { 0x6000, {21,63}, SBOBIO_DEVTYPE_MAC, }, 86 }; 87 static const int sb1250_sbobio_dev_count = 88 sizeof sb1250_sbobio_devs / sizeof sb1250_sbobio_devs[0]; 89 90 static const struct sbobio_attach_locs sb112x_sbobio_devs[] = { 91 { 0x0000, {6,-1}, SBOBIO_DEVTYPE_SMBUS }, 92 { 0x0008, {7,-1}, SBOBIO_DEVTYPE_SMBUS }, 93 { 0x0100, {8,9}, SBOBIO_DEVTYPE_DUART }, 94 { 0x0400, {10,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 95 { 0x0800, {11,-1}, SBOBIO_DEVTYPE_SYNCSERIAL }, 96 #if 0 97 { 0x1000, {-1,-1}, SBOBIO_DEVTYPE_GBUS, }, /* XXXCGD ??? */ 98 #endif 99 { 0x4000, {19,61}, SBOBIO_DEVTYPE_MAC, }, 100 { 0x5000, {20,62}, SBOBIO_DEVTYPE_MAC, }, 101 }; 102 static const int sb112x_sbobio_dev_count = 103 sizeof sb112x_sbobio_devs / sizeof sb112x_sbobio_devs[0]; 104 105 static int 106 sbobio_match(struct device *parent, struct cfdata *match, void *aux) 107 { 108 struct zbbus_attach_args *zap = aux; 109 uint64_t sysrev; 110 111 if (zap->za_locs.za_type != ZBBUS_ENTTYPE_OBIO) 112 return (0); 113 114 sysrev = mips3_ld((u_int64_t *)MIPS_PHYS_TO_KSEG1(A_SCD_SYSTEM_REVISION)); 115 switch (SYS_SOC_TYPE(sysrev)) { 116 case K_SYS_SOC_TYPE_BCM1120: 117 case K_SYS_SOC_TYPE_BCM1125: 118 case K_SYS_SOC_TYPE_BCM1125H: 119 case K_SYS_SOC_TYPE_BCM1250: 120 break; 121 122 default: 123 return 0; 124 } 125 126 return 1; 127 } 128 129 static void 130 sbobio_attach(struct device *parent, struct device *self, void *aux) 131 { 132 struct sbobio_attach_args sa; 133 const char *dscr; 134 const struct sbobio_attach_locs *devs; 135 uint64_t sysrev; 136 int i, devcount; 137 138 sysrev = mips3_ld((u_int64_t *)MIPS_PHYS_TO_KSEG1(A_SCD_SYSTEM_REVISION)); 139 switch (SYS_SOC_TYPE(sysrev)) { 140 case K_SYS_SOC_TYPE_BCM1120: 141 case K_SYS_SOC_TYPE_BCM1125: 142 case K_SYS_SOC_TYPE_BCM1125H: 143 dscr = "BCM112x"; 144 devs = sb112x_sbobio_devs; 145 devcount = sb112x_sbobio_dev_count; 146 break; 147 148 case K_SYS_SOC_TYPE_BCM1250: 149 if (G_SYS_REVISION(sysrev) >= K_SYS_REVISION_BCM1250_PASS2) { 150 dscr = "BCM1250 (rev2 and later)"; 151 devs = sb1250_sbobio_devs; 152 devcount = sb1250_sbobio_dev_count; 153 } else { 154 dscr = "BCM1250 rev1"; 155 devs = sb1250_rev1_sbobio_devs; 156 devcount = sb1250_rev1_sbobio_dev_count; 157 } 158 break; 159 #ifdef DIAGNOSTIC 160 default: 161 panic("un-matched in sbobio_attach"); 162 break; 163 #endif 164 } 165 166 printf(": %s peripherals\n", dscr); 167 168 for (i = 0; i < devcount; i++) { 169 memset(&sa, 0, sizeof sa); 170 sa.sa_base = A_PHYS_IO_SYSTEM; 171 sa.sa_locs = devs[i]; 172 config_found_sm(self, &sa, sbobio_print, sbobio_submatch); 173 } 174 return; 175 } 176 177 int 178 sbobio_print(void *aux, const char *pnp) 179 { 180 struct sbobio_attach_args *sap = aux; 181 int i; 182 183 if (pnp) 184 aprint_normal("%s at %s", 185 sbobio_device_type_name(sap->sa_locs.sa_type), pnp); 186 aprint_normal(" offset 0x%lx", (long)sap->sa_locs.sa_offset); 187 for (i = 0; i < 2; i++) { 188 if (sap->sa_locs.sa_intr[i] != SBOBIOCF_INTR_DEFAULT) 189 aprint_normal("%s%ld", i == 0 ? " intr " : ",", 190 (long)sap->sa_locs.sa_intr[i]); 191 } 192 return (UNCONF); 193 } 194 195 static int 196 sbobio_submatch(struct device *parent, struct cfdata *cf, void *aux) 197 { 198 struct sbobio_attach_args *sap = aux; 199 int i; 200 201 if (cf->cf_loc[SBOBIOCF_OFFSET] != SBOBIOCF_OFFSET_DEFAULT && 202 cf->cf_loc[SBOBIOCF_OFFSET] != sap->sa_locs.sa_offset) 203 return (0); 204 205 for (i = 0; i < 2; i++) { 206 if (cf->cf_loc[SBOBIOCF_INTR + i] != SBOBIOCF_INTR_DEFAULT && 207 cf->cf_loc[SBOBIOCF_INTR + i] != sap->sa_locs.sa_intr[i]) 208 return (0); 209 } 210 211 return (config_match(parent, cf, aux)); 212 } 213 214 static const char * 215 sbobio_device_type_name(enum sbobio_device_type type) 216 { 217 218 switch (type) { 219 case SBOBIO_DEVTYPE_SMBUS: 220 return ("sbsmbus"); 221 case SBOBIO_DEVTYPE_DUART: 222 return ("sbscn"); 223 case SBOBIO_DEVTYPE_SYNCSERIAL: 224 return ("sbsync"); 225 case SBOBIO_DEVTYPE_GBUS: 226 return ("sbgbus"); 227 case SBOBIO_DEVTYPE_MAC: 228 return ("sbmac"); 229 } 230 panic("sbobio_device_type_name"); 231 return ("panic"); 232 } 233