1 /* $OpenBSD: tsc.c,v 1.5 2001/11/04 23:12:46 art Exp $ */ 2 /* $NetBSD: tsc.c,v 1.3 2000/06/25 19:17:40 thorpej Exp $ */ 3 4 /*- 5 * Copyright (c) 1999 by Ross Harvey. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Ross Harvey. 18 * 4. The name of Ross Harvey may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY ROSS HARVEY ``AS IS'' AND ANY EXPRESS 22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP0SE 24 * ARE DISCLAIMED. IN NO EVENT SHALL ROSS HARVEY BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 */ 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 #include <sys/malloc.h> 39 40 #include <machine/autoconf.h> 41 #include <machine/rpb.h> 42 43 #include <dev/isa/isareg.h> 44 #include <dev/isa/isavar.h> 45 #include <dev/pci/pcireg.h> 46 #include <dev/pci/pcivar.h> 47 #include <alpha/pci/tsreg.h> 48 #include <alpha/pci/tsvar.h> 49 50 #ifdef DEC_6600 51 #include <alpha/pci/pci_6600.h> 52 #endif 53 54 #define tsc() { Generate ctags(1) key. } 55 56 int tscmatch __P((struct device *, void *, void *)); 57 void tscattach __P((struct device *, struct device *, void *)); 58 59 struct cfattach tsc_ca = { 60 sizeof(struct tsc_softc), tscmatch, tscattach, 61 }; 62 63 struct cfdriver tsc_cd = { 64 NULL, "tsc", DV_DULL, 65 }; 66 67 struct tsp_config tsp_configuration[2]; 68 69 static int tscprint __P((void *, const char *pnp)); 70 71 int tspmatch __P((struct device *, void *, void *)); 72 void tspattach __P((struct device *, struct device *, void *)); 73 74 struct cfattach tsp_ca = { 75 sizeof(struct tsp_softc), tspmatch, tspattach, 76 }; 77 78 struct cfdriver tsp_cd = { 79 NULL, "tsp", DV_DULL, 80 }; 81 82 83 static int tspprint __P((void *, const char *pnp)); 84 85 #if 0 86 static int tsp_bus_get_window __P((int, int, 87 struct alpha_bus_space_translation *)); 88 #endif 89 90 /* There can be only one */ 91 static int tscfound; 92 93 /* Which hose is the display console connected to? */ 94 int tsp_console_hose; 95 96 int 97 tscmatch(parent, match, aux) 98 struct device *parent; 99 void *match; 100 void *aux; 101 { 102 struct mainbus_attach_args *ma = aux; 103 104 return cputype == ST_DEC_6600 105 && strcmp(ma->ma_name, tsc_cd.cd_name) == 0 106 && !tscfound; 107 } 108 109 void tscattach(parent, self, aux) 110 struct device *parent, *self; 111 void *aux; 112 { 113 int i; 114 int nbus; 115 u_int64_t csc, aar; 116 struct tsp_attach_args tsp; 117 struct mainbus_attach_args *ma = aux; 118 119 tscfound = 1; 120 121 csc = LDQP(TS_C_CSC); 122 123 nbus = 1 + (CSC_BC(csc) >= 2); 124 printf(": 21272 Core Logic Chipset, Cchip rev %d\n" 125 "%s%d: %c Dchips, %d memory bus%s of %d bytes\n", 126 (int)MISC_REV(LDQP(TS_C_MISC)), 127 ma->ma_name, ma->ma_slot, "2448"[CSC_BC(csc)], 128 nbus, nbus > 1 ? "es" : "", 16 + 16 * ((csc & CSC_AW) != 0)); 129 printf("%s%d: arrays present: ", ma->ma_name, ma->ma_slot); 130 for(i = 0; i < 4; ++i) { 131 aar = LDQP(TS_C_AAR0 + i * TS_STEP); 132 printf("%s%dMB%s", i ? ", " : "", (8 << AAR_ASIZ(aar)) & ~0xf, 133 aar & AAR_SPLIT ? " (split)" : ""); 134 } 135 printf(", Dchip 0 rev %d\n", (int)LDQP(TS_D_DREV) & 0xf); 136 137 bzero(&tsp, sizeof tsp); 138 tsp.tsp_name = "tsp"; 139 config_found(self, &tsp, NULL); 140 141 if(LDQP(TS_C_CSC) & CSC_P1P) { 142 ++tsp.tsp_slot; 143 config_found(self, &tsp, tscprint); 144 } 145 } 146 147 static int 148 tscprint(aux, p) 149 void *aux; 150 const char *p; 151 { 152 register struct tsp_attach_args *tsp = aux; 153 154 if(p) 155 printf("%s%d at %s", tsp->tsp_name, tsp->tsp_slot, p); 156 return UNCONF; 157 } 158 159 #define tsp() { Generate ctags(1) key. } 160 161 int 162 tspmatch(parent, match, aux) 163 struct device *parent; 164 void *match; 165 void *aux; 166 { 167 struct tsp_attach_args *t = aux; 168 169 return cputype == ST_DEC_6600 170 && strcmp(t->tsp_name, tsp_cd.cd_name) == 0; 171 } 172 173 void 174 tspattach(parent, self, aux) 175 struct device *parent, *self; 176 void *aux; 177 { 178 struct pcibus_attach_args pba; 179 struct tsp_attach_args *t = aux; 180 struct tsp_config *pcp; 181 182 printf("\n"); 183 pcp = tsp_init(1, t->tsp_slot); 184 185 tsp_dma_init(pcp); 186 187 /* 188 * Do PCI memory initialization that needs to be deferred until 189 * malloc is safe. On the Tsunami, we need to do this after 190 * DMA is initialized, as well. 191 */ 192 tsp_bus_mem_init2(pcp); 193 194 pci_6600_pickintr(pcp); 195 196 pba.pba_busname = "pci"; 197 pba.pba_iot = pcp->pc_iot; 198 pba.pba_memt = pcp->pc_memt; 199 pba.pba_dmat = 200 alphabus_dma_get_tag(&pcp->pc_dmat_direct, ALPHA_BUS_PCI); 201 pba.pba_pc = &pcp->pc_pc; 202 pba.pba_bus = 0; 203 #ifdef notyet 204 pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED | 205 PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY | PCI_FLAGS_MWI_OKAY; 206 #endif 207 config_found(self, &pba, tspprint); 208 } 209 210 struct tsp_config * 211 tsp_init(mallocsafe, n) 212 int mallocsafe; 213 int n; /* Pchip number */ 214 { 215 struct tsp_config *pcp; 216 217 KASSERT((n | 1) == 1); 218 pcp = &tsp_configuration[n]; 219 pcp->pc_pslot = n; 220 pcp->pc_iobase = TS_Pn(n, 0); 221 pcp->pc_csr = S_PAGE(TS_Pn(n, P_CSRBASE)); 222 if (!pcp->pc_initted) { 223 pcp->pc_iot = tsp_bus_io_init(pcp); 224 pcp->pc_memt = tsp_bus_mem_init(pcp); 225 #if 0 226 alpha_bus_window_count[ALPHA_BUS_TYPE_PCI_IO] = 1; 227 alpha_bus_window_count[ALPHA_BUS_TYPE_PCI_MEM] = 1; 228 229 alpha_bus_get_window = tsp_bus_get_window; 230 #endif 231 } 232 pcp->pc_mallocsafe = mallocsafe; 233 tsp_pci_init(&pcp->pc_pc, pcp); 234 alpha_pci_chipset = &pcp->pc_pc; 235 alpha_pci_chipset->pc_name = "tsunami"; 236 alpha_pci_chipset->pc_mem = TS_P0(0); 237 alpha_pci_chipset->pc_ports = P_PCI_IO; 238 alpha_pci_chipset->pc_hae_mask = 0; 239 alpha_pci_chipset->pc_dense = TS_P0(0); 240 alpha_pci_chipset->pc_bwx = 1; 241 pcp->pc_initted = 1; 242 return pcp; 243 } 244 245 static int 246 tspprint(aux, p) 247 void *aux; 248 const char *p; 249 { 250 register struct pcibus_attach_args *pci = aux; 251 252 if(p) 253 printf("%s at %s", pci->pba_busname, p); 254 printf(" bus %d", pci->pba_bus); 255 return UNCONF; 256 } 257 258 #if 0 259 static int 260 tsp_bus_get_window(type, window, abst) 261 int type, window; 262 struct alpha_bus_space_translation *abst; 263 { 264 struct tsp_config *tsp = &tsp_configuration[tsp_console_hose]; 265 bus_space_tag_t st; 266 int error; 267 268 switch (type) { 269 case ALPHA_BUS_TYPE_PCI_IO: 270 st = &tsp->pc_iot; 271 break; 272 273 case ALPHA_BUS_TYPE_PCI_MEM: 274 st = &tsp->pc_memt; 275 break; 276 277 default: 278 panic("tsp_bus_get_window"); 279 } 280 281 error = alpha_bus_space_get_window(st, window, abst); 282 if (error) 283 return (error); 284 285 abst->abst_sys_start = TS_PHYSADDR(abst->abst_sys_start); 286 abst->abst_sys_end = TS_PHYSADDR(abst->abst_sys_end); 287 288 return (0); 289 } 290 #endif 291