Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2010 Broadcom Corporation |
| 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
Brett Rudley | 3327989 | 2010-10-01 18:03:27 -0700 | [diff] [blame] | 17 | #include <linux/kernel.h> |
| 18 | #include <linux/string.h> |
Greg Kroah-Hartman | a1c16ed | 2010-10-21 11:17:44 -0700 | [diff] [blame^] | 19 | #include <bcmdefs.h> |
| 20 | #include <osl.h> |
Brett Rudley | 3327989 | 2010-10-01 18:03:27 -0700 | [diff] [blame] | 21 | #include <linuxver.h> |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 22 | #include <bcmutils.h> |
| 23 | #include <siutils.h> |
| 24 | #include <hndsoc.h> |
| 25 | #include <sbchipc.h> |
| 26 | #include <pcicfg.h> |
| 27 | #include <bcmdevs.h> |
| 28 | |
| 29 | #define BCM47162_DMP() ((CHIPID(sih->chip) == BCM47162_CHIP_ID) && \ |
| 30 | (CHIPREV(sih->chiprev) == 0) && \ |
| 31 | (sii->coreid[sii->curidx] == MIPS74K_CORE_ID)) |
| 32 | |
| 33 | /* EROM parsing */ |
| 34 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 35 | static u32 |
| 36 | get_erom_ent(si_t *sih, u32 **eromptr, u32 mask, u32 match) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 37 | { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 38 | u32 ent; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 39 | uint inv = 0, nom = 0; |
| 40 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 41 | while (true) { |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 42 | ent = R_REG(si_osh(sih), *eromptr); |
| 43 | (*eromptr)++; |
| 44 | |
| 45 | if (mask == 0) |
| 46 | break; |
| 47 | |
| 48 | if ((ent & ER_VALID) == 0) { |
| 49 | inv++; |
| 50 | continue; |
| 51 | } |
| 52 | |
| 53 | if (ent == (ER_END | ER_VALID)) |
| 54 | break; |
| 55 | |
| 56 | if ((ent & mask) == match) |
| 57 | break; |
| 58 | |
| 59 | nom++; |
| 60 | } |
| 61 | |
| 62 | SI_VMSG(("%s: Returning ent 0x%08x\n", __func__, ent)); |
| 63 | if (inv + nom) { |
| 64 | SI_VMSG((" after %d invalid and %d non-matching entries\n", |
| 65 | inv, nom)); |
| 66 | } |
| 67 | return ent; |
| 68 | } |
| 69 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 70 | static u32 |
| 71 | get_asd(si_t *sih, u32 **eromptr, uint sp, uint ad, uint st, |
| 72 | u32 *addrl, u32 *addrh, u32 *sizel, u32 *sizeh) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 73 | { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 74 | u32 asd, sz, szd; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 75 | |
| 76 | asd = get_erom_ent(sih, eromptr, ER_VALID, ER_VALID); |
| 77 | if (((asd & ER_TAG1) != ER_ADD) || |
| 78 | (((asd & AD_SP_MASK) >> AD_SP_SHIFT) != sp) || |
| 79 | ((asd & AD_ST_MASK) != st)) { |
| 80 | /* This is not what we want, "push" it back */ |
| 81 | (*eromptr)--; |
| 82 | return 0; |
| 83 | } |
| 84 | *addrl = asd & AD_ADDR_MASK; |
| 85 | if (asd & AD_AG32) |
| 86 | *addrh = get_erom_ent(sih, eromptr, 0, 0); |
| 87 | else |
| 88 | *addrh = 0; |
| 89 | *sizeh = 0; |
| 90 | sz = asd & AD_SZ_MASK; |
| 91 | if (sz == AD_SZ_SZD) { |
| 92 | szd = get_erom_ent(sih, eromptr, 0, 0); |
| 93 | *sizel = szd & SD_SZ_MASK; |
| 94 | if (szd & SD_SG32) |
| 95 | *sizeh = get_erom_ent(sih, eromptr, 0, 0); |
| 96 | } else |
| 97 | *sizel = AD_SZ_BASE << (sz >> AD_SZ_SHIFT); |
| 98 | |
| 99 | SI_VMSG((" SP %d, ad %d: st = %d, 0x%08x_0x%08x @ 0x%08x_0x%08x\n", |
| 100 | sp, ad, st, *sizeh, *sizel, *addrh, *addrl)); |
| 101 | |
| 102 | return asd; |
| 103 | } |
| 104 | |
Jason Cooper | 7cc4a4c | 2010-09-14 09:45:30 -0400 | [diff] [blame] | 105 | static void ai_hwfixup(si_info_t *sii) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 106 | { |
| 107 | } |
| 108 | |
| 109 | /* parse the enumeration rom to identify all cores */ |
Greg Kroah-Hartman | 0d2f072 | 2010-10-08 14:28:21 -0700 | [diff] [blame] | 110 | void ai_scan(si_t *sih, void *regs, uint devid) |
Jason Cooper | a2627bc | 2010-09-14 09:45:31 -0400 | [diff] [blame] | 111 | { |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 112 | si_info_t *sii = SI_INFO(sih); |
| 113 | chipcregs_t *cc = (chipcregs_t *) regs; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 114 | u32 erombase, *eromptr, *eromlim; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 115 | |
| 116 | erombase = R_REG(sii->osh, &cc->eromptr); |
| 117 | |
| 118 | switch (BUSTYPE(sih->bustype)) { |
| 119 | case SI_BUS: |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 120 | eromptr = (u32 *) REG_MAP(erombase, SI_CORE_SIZE); |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 121 | break; |
| 122 | |
| 123 | case PCI_BUS: |
| 124 | /* Set wrappers address */ |
Greg Kroah-Hartman | f024c48 | 2010-10-21 10:50:21 -0700 | [diff] [blame] | 125 | sii->curwrap = (void *)((unsigned long)regs + SI_CORE_SIZE); |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 126 | |
| 127 | /* Now point the window at the erom */ |
| 128 | OSL_PCI_WRITE_CONFIG(sii->osh, PCI_BAR0_WIN, 4, erombase); |
| 129 | eromptr = regs; |
| 130 | break; |
| 131 | |
| 132 | #ifdef BCMSDIO |
| 133 | case SPI_BUS: |
| 134 | case SDIO_BUS: |
| 135 | #endif /* BCMSDIO */ |
Greg Kroah-Hartman | 6ddcfdc | 2010-10-14 12:26:08 -0700 | [diff] [blame] | 136 | eromptr = (u32 *)(unsigned long)erombase; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 137 | break; |
| 138 | |
| 139 | default: |
| 140 | SI_ERROR(("Don't know how to do AXI enumertion on bus %d\n", |
| 141 | sih->bustype)); |
| 142 | ASSERT(0); |
| 143 | return; |
| 144 | } |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 145 | eromlim = eromptr + (ER_REMAPCONTROL / sizeof(u32)); |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 146 | |
| 147 | SI_VMSG(("ai_scan: regs = 0x%p, erombase = 0x%08x, eromptr = 0x%p, eromlim = 0x%p\n", regs, erombase, eromptr, eromlim)); |
| 148 | while (eromptr < eromlim) { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 149 | u32 cia, cib, cid, mfg, crev, nmw, nsw, nmp, nsp; |
| 150 | u32 mpd, asd, addrl, addrh, sizel, sizeh; |
| 151 | u32 *base; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 152 | uint i, j, idx; |
| 153 | bool br; |
| 154 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 155 | br = false; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 156 | |
| 157 | /* Grok a component */ |
| 158 | cia = get_erom_ent(sih, &eromptr, ER_TAG, ER_CI); |
| 159 | if (cia == (ER_END | ER_VALID)) { |
| 160 | SI_VMSG(("Found END of erom after %d cores\n", |
| 161 | sii->numcores)); |
| 162 | ai_hwfixup(sii); |
| 163 | return; |
| 164 | } |
| 165 | base = eromptr - 1; |
| 166 | cib = get_erom_ent(sih, &eromptr, 0, 0); |
| 167 | |
| 168 | if ((cib & ER_TAG) != ER_CI) { |
| 169 | SI_ERROR(("CIA not followed by CIB\n")); |
| 170 | goto error; |
| 171 | } |
| 172 | |
| 173 | cid = (cia & CIA_CID_MASK) >> CIA_CID_SHIFT; |
| 174 | mfg = (cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT; |
| 175 | crev = (cib & CIB_REV_MASK) >> CIB_REV_SHIFT; |
| 176 | nmw = (cib & CIB_NMW_MASK) >> CIB_NMW_SHIFT; |
| 177 | nsw = (cib & CIB_NSW_MASK) >> CIB_NSW_SHIFT; |
| 178 | nmp = (cib & CIB_NMP_MASK) >> CIB_NMP_SHIFT; |
| 179 | nsp = (cib & CIB_NSP_MASK) >> CIB_NSP_SHIFT; |
| 180 | |
| 181 | SI_VMSG(("Found component 0x%04x/0x%04x rev %d at erom addr 0x%p, with nmw = %d, " "nsw = %d, nmp = %d & nsp = %d\n", mfg, cid, crev, base, nmw, nsw, nmp, nsp)); |
| 182 | |
| 183 | if (((mfg == MFGID_ARM) && (cid == DEF_AI_COMP)) || (nsp == 0)) |
| 184 | continue; |
| 185 | if ((nmw + nsw == 0)) { |
| 186 | /* A component which is not a core */ |
| 187 | if (cid == OOB_ROUTER_CORE_ID) { |
| 188 | asd = get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE, |
| 189 | &addrl, &addrh, &sizel, &sizeh); |
| 190 | if (asd != 0) { |
| 191 | sii->oob_router = addrl; |
| 192 | } |
| 193 | } |
| 194 | continue; |
| 195 | } |
| 196 | |
| 197 | idx = sii->numcores; |
| 198 | /* sii->eromptr[idx] = base; */ |
| 199 | sii->cia[idx] = cia; |
| 200 | sii->cib[idx] = cib; |
| 201 | sii->coreid[idx] = cid; |
| 202 | |
| 203 | for (i = 0; i < nmp; i++) { |
| 204 | mpd = get_erom_ent(sih, &eromptr, ER_VALID, ER_VALID); |
| 205 | if ((mpd & ER_TAG) != ER_MP) { |
| 206 | SI_ERROR(("Not enough MP entries for component 0x%x\n", cid)); |
| 207 | goto error; |
| 208 | } |
| 209 | SI_VMSG((" Master port %d, mp: %d id: %d\n", i, |
| 210 | (mpd & MPD_MP_MASK) >> MPD_MP_SHIFT, |
| 211 | (mpd & MPD_MUI_MASK) >> MPD_MUI_SHIFT)); |
| 212 | } |
| 213 | |
| 214 | /* First Slave Address Descriptor should be port 0: |
| 215 | * the main register space for the core |
| 216 | */ |
| 217 | asd = |
| 218 | get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE, &addrl, &addrh, |
| 219 | &sizel, &sizeh); |
| 220 | if (asd == 0) { |
| 221 | /* Try again to see if it is a bridge */ |
| 222 | asd = |
| 223 | get_asd(sih, &eromptr, 0, 0, AD_ST_BRIDGE, &addrl, |
| 224 | &addrh, &sizel, &sizeh); |
| 225 | if (asd != 0) |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 226 | br = true; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 227 | else if ((addrh != 0) || (sizeh != 0) |
| 228 | || (sizel != SI_CORE_SIZE)) { |
| 229 | SI_ERROR(("First Slave ASD for core 0x%04x malformed " "(0x%08x)\n", cid, asd)); |
| 230 | goto error; |
| 231 | } |
| 232 | } |
| 233 | sii->coresba[idx] = addrl; |
| 234 | sii->coresba_size[idx] = sizel; |
| 235 | /* Get any more ASDs in port 0 */ |
| 236 | j = 1; |
| 237 | do { |
| 238 | asd = |
| 239 | get_asd(sih, &eromptr, 0, j, AD_ST_SLAVE, &addrl, |
| 240 | &addrh, &sizel, &sizeh); |
| 241 | if ((asd != 0) && (j == 1) && (sizel == SI_CORE_SIZE)) { |
| 242 | sii->coresba2[idx] = addrl; |
| 243 | sii->coresba2_size[idx] = sizel; |
| 244 | } |
| 245 | j++; |
| 246 | } while (asd != 0); |
| 247 | |
| 248 | /* Go through the ASDs for other slave ports */ |
| 249 | for (i = 1; i < nsp; i++) { |
| 250 | j = 0; |
| 251 | do { |
| 252 | asd = |
| 253 | get_asd(sih, &eromptr, i, j++, AD_ST_SLAVE, |
| 254 | &addrl, &addrh, &sizel, &sizeh); |
| 255 | } while (asd != 0); |
| 256 | if (j == 0) { |
| 257 | SI_ERROR((" SP %d has no address descriptors\n", |
| 258 | i)); |
| 259 | goto error; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | /* Now get master wrappers */ |
| 264 | for (i = 0; i < nmw; i++) { |
| 265 | asd = |
| 266 | get_asd(sih, &eromptr, i, 0, AD_ST_MWRAP, &addrl, |
| 267 | &addrh, &sizel, &sizeh); |
| 268 | if (asd == 0) { |
| 269 | SI_ERROR(("Missing descriptor for MW %d\n", i)); |
| 270 | goto error; |
| 271 | } |
| 272 | if ((sizeh != 0) || (sizel != SI_CORE_SIZE)) { |
| 273 | SI_ERROR(("Master wrapper %d is not 4KB\n", i)); |
| 274 | goto error; |
| 275 | } |
| 276 | if (i == 0) |
| 277 | sii->wrapba[idx] = addrl; |
| 278 | } |
| 279 | |
| 280 | /* And finally slave wrappers */ |
| 281 | for (i = 0; i < nsw; i++) { |
| 282 | uint fwp = (nsp == 1) ? 0 : 1; |
| 283 | asd = |
| 284 | get_asd(sih, &eromptr, fwp + i, 0, AD_ST_SWRAP, |
| 285 | &addrl, &addrh, &sizel, &sizeh); |
| 286 | if (asd == 0) { |
| 287 | SI_ERROR(("Missing descriptor for SW %d\n", i)); |
| 288 | goto error; |
| 289 | } |
| 290 | if ((sizeh != 0) || (sizel != SI_CORE_SIZE)) { |
| 291 | SI_ERROR(("Slave wrapper %d is not 4KB\n", i)); |
| 292 | goto error; |
| 293 | } |
| 294 | if ((nmw == 0) && (i == 0)) |
| 295 | sii->wrapba[idx] = addrl; |
| 296 | } |
| 297 | |
| 298 | /* Don't record bridges */ |
| 299 | if (br) |
| 300 | continue; |
| 301 | |
| 302 | /* Done with core */ |
| 303 | sii->numcores++; |
| 304 | } |
| 305 | |
| 306 | SI_ERROR(("Reached end of erom without finding END")); |
| 307 | |
| 308 | error: |
| 309 | sii->numcores = 0; |
| 310 | return; |
| 311 | } |
| 312 | |
| 313 | /* This function changes the logical "focus" to the indicated core. |
| 314 | * Return the current core's virtual address. |
| 315 | */ |
Jason Cooper | 7cc4a4c | 2010-09-14 09:45:30 -0400 | [diff] [blame] | 316 | void *ai_setcoreidx(si_t *sih, uint coreidx) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 317 | { |
| 318 | si_info_t *sii = SI_INFO(sih); |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 319 | u32 addr = sii->coresba[coreidx]; |
| 320 | u32 wrap = sii->wrapba[coreidx]; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 321 | void *regs; |
| 322 | |
| 323 | if (coreidx >= sii->numcores) |
Jason Cooper | 90ea229 | 2010-09-14 09:45:32 -0400 | [diff] [blame] | 324 | return NULL; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 325 | |
| 326 | /* |
| 327 | * If the user has provided an interrupt mask enabled function, |
| 328 | * then assert interrupts are disabled before switching the core. |
| 329 | */ |
| 330 | ASSERT((sii->intrsenabled_fn == NULL) |
| 331 | || !(*(sii)->intrsenabled_fn) ((sii)->intr_arg)); |
| 332 | |
| 333 | switch (BUSTYPE(sih->bustype)) { |
| 334 | case SI_BUS: |
| 335 | /* map new one */ |
| 336 | if (!sii->regs[coreidx]) { |
| 337 | sii->regs[coreidx] = REG_MAP(addr, SI_CORE_SIZE); |
| 338 | ASSERT(GOODREGS(sii->regs[coreidx])); |
| 339 | } |
| 340 | sii->curmap = regs = sii->regs[coreidx]; |
| 341 | if (!sii->wrappers[coreidx]) { |
| 342 | sii->wrappers[coreidx] = REG_MAP(wrap, SI_CORE_SIZE); |
| 343 | ASSERT(GOODREGS(sii->wrappers[coreidx])); |
| 344 | } |
| 345 | sii->curwrap = sii->wrappers[coreidx]; |
| 346 | break; |
| 347 | |
| 348 | case PCI_BUS: |
| 349 | /* point bar0 window */ |
| 350 | OSL_PCI_WRITE_CONFIG(sii->osh, PCI_BAR0_WIN, 4, addr); |
| 351 | regs = sii->curmap; |
| 352 | /* point bar0 2nd 4KB window */ |
| 353 | OSL_PCI_WRITE_CONFIG(sii->osh, PCI_BAR0_WIN2, 4, wrap); |
| 354 | break; |
| 355 | |
| 356 | #ifdef BCMSDIO |
| 357 | case SPI_BUS: |
| 358 | case SDIO_BUS: |
| 359 | #endif /* BCMSDIO */ |
Greg Kroah-Hartman | 6ddcfdc | 2010-10-14 12:26:08 -0700 | [diff] [blame] | 360 | sii->curmap = regs = (void *)(unsigned long)addr; |
| 361 | sii->curwrap = (void *)(unsigned long)wrap; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 362 | break; |
| 363 | |
| 364 | default: |
| 365 | ASSERT(0); |
| 366 | regs = NULL; |
| 367 | break; |
| 368 | } |
| 369 | |
| 370 | sii->curmap = regs; |
| 371 | sii->curidx = coreidx; |
| 372 | |
| 373 | return regs; |
| 374 | } |
| 375 | |
| 376 | /* Return the number of address spaces in current core */ |
Jason Cooper | 7cc4a4c | 2010-09-14 09:45:30 -0400 | [diff] [blame] | 377 | int ai_numaddrspaces(si_t *sih) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 378 | { |
| 379 | return 2; |
| 380 | } |
| 381 | |
| 382 | /* Return the address of the nth address space in the current core */ |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 383 | u32 ai_addrspace(si_t *sih, uint asidx) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 384 | { |
| 385 | si_info_t *sii; |
| 386 | uint cidx; |
| 387 | |
| 388 | sii = SI_INFO(sih); |
| 389 | cidx = sii->curidx; |
| 390 | |
| 391 | if (asidx == 0) |
| 392 | return sii->coresba[cidx]; |
| 393 | else if (asidx == 1) |
| 394 | return sii->coresba2[cidx]; |
| 395 | else { |
| 396 | SI_ERROR(("%s: Need to parse the erom again to find addr space %d\n", __func__, asidx)); |
| 397 | return 0; |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | /* Return the size of the nth address space in the current core */ |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 402 | u32 ai_addrspacesize(si_t *sih, uint asidx) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 403 | { |
| 404 | si_info_t *sii; |
| 405 | uint cidx; |
| 406 | |
| 407 | sii = SI_INFO(sih); |
| 408 | cidx = sii->curidx; |
| 409 | |
| 410 | if (asidx == 0) |
| 411 | return sii->coresba_size[cidx]; |
| 412 | else if (asidx == 1) |
| 413 | return sii->coresba2_size[cidx]; |
| 414 | else { |
| 415 | SI_ERROR(("%s: Need to parse the erom again to find addr space %d\n", __func__, asidx)); |
| 416 | return 0; |
| 417 | } |
| 418 | } |
| 419 | |
Jason Cooper | 7cc4a4c | 2010-09-14 09:45:30 -0400 | [diff] [blame] | 420 | uint ai_flag(si_t *sih) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 421 | { |
| 422 | si_info_t *sii; |
| 423 | aidmp_t *ai; |
| 424 | |
| 425 | sii = SI_INFO(sih); |
| 426 | if (BCM47162_DMP()) { |
| 427 | SI_ERROR(("%s: Attempting to read MIPS DMP registers on 47162a0", __func__)); |
| 428 | return sii->curidx; |
| 429 | } |
| 430 | ai = sii->curwrap; |
| 431 | |
Jason Cooper | 90ea229 | 2010-09-14 09:45:32 -0400 | [diff] [blame] | 432 | return R_REG(sii->osh, &ai->oobselouta30) & 0x1f; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 433 | } |
| 434 | |
Jason Cooper | 7cc4a4c | 2010-09-14 09:45:30 -0400 | [diff] [blame] | 435 | void ai_setint(si_t *sih, int siflag) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 436 | { |
| 437 | } |
| 438 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 439 | void ai_write_wrap_reg(si_t *sih, u32 offset, u32 val) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 440 | { |
| 441 | si_info_t *sii = SI_INFO(sih); |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 442 | u32 *w = (u32 *) sii->curwrap; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 443 | W_REG(sii->osh, w + (offset / 4), val); |
| 444 | return; |
| 445 | } |
| 446 | |
Jason Cooper | 7cc4a4c | 2010-09-14 09:45:30 -0400 | [diff] [blame] | 447 | uint ai_corevendor(si_t *sih) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 448 | { |
| 449 | si_info_t *sii; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 450 | u32 cia; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 451 | |
| 452 | sii = SI_INFO(sih); |
| 453 | cia = sii->cia[sii->curidx]; |
Jason Cooper | 90ea229 | 2010-09-14 09:45:32 -0400 | [diff] [blame] | 454 | return (cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 455 | } |
| 456 | |
Jason Cooper | 7cc4a4c | 2010-09-14 09:45:30 -0400 | [diff] [blame] | 457 | uint ai_corerev(si_t *sih) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 458 | { |
| 459 | si_info_t *sii; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 460 | u32 cib; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 461 | |
| 462 | sii = SI_INFO(sih); |
| 463 | cib = sii->cib[sii->curidx]; |
Jason Cooper | 90ea229 | 2010-09-14 09:45:32 -0400 | [diff] [blame] | 464 | return (cib & CIB_REV_MASK) >> CIB_REV_SHIFT; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 465 | } |
| 466 | |
Jason Cooper | 7cc4a4c | 2010-09-14 09:45:30 -0400 | [diff] [blame] | 467 | bool ai_iscoreup(si_t *sih) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 468 | { |
| 469 | si_info_t *sii; |
| 470 | aidmp_t *ai; |
| 471 | |
| 472 | sii = SI_INFO(sih); |
| 473 | ai = sii->curwrap; |
| 474 | |
| 475 | return (((R_REG(sii->osh, &ai->ioctrl) & (SICF_FGC | SICF_CLOCK_EN)) == |
| 476 | SICF_CLOCK_EN) |
| 477 | && ((R_REG(sii->osh, &ai->resetctrl) & AIRC_RESET) == 0)); |
| 478 | } |
| 479 | |
| 480 | /* |
| 481 | * Switch to 'coreidx', issue a single arbitrary 32bit register mask&set operation, |
| 482 | * switch back to the original core, and return the new value. |
| 483 | * |
| 484 | * When using the silicon backplane, no fiddling with interrupts or core switches is needed. |
| 485 | * |
| 486 | * Also, when using pci/pcie, we can optimize away the core switching for pci registers |
| 487 | * and (on newer pci cores) chipcommon registers. |
| 488 | */ |
Jason Cooper | 7cc4a4c | 2010-09-14 09:45:30 -0400 | [diff] [blame] | 489 | uint ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask, uint val) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 490 | { |
| 491 | uint origidx = 0; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 492 | u32 *r = NULL; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 493 | uint w; |
| 494 | uint intr_val = 0; |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 495 | bool fast = false; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 496 | si_info_t *sii; |
| 497 | |
| 498 | sii = SI_INFO(sih); |
| 499 | |
| 500 | ASSERT(GOODIDX(coreidx)); |
| 501 | ASSERT(regoff < SI_CORE_SIZE); |
| 502 | ASSERT((val & ~mask) == 0); |
| 503 | |
| 504 | if (coreidx >= SI_MAXCORES) |
| 505 | return 0; |
| 506 | |
| 507 | if (BUSTYPE(sih->bustype) == SI_BUS) { |
| 508 | /* If internal bus, we can always get at everything */ |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 509 | fast = true; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 510 | /* map if does not exist */ |
| 511 | if (!sii->regs[coreidx]) { |
| 512 | sii->regs[coreidx] = REG_MAP(sii->coresba[coreidx], |
| 513 | SI_CORE_SIZE); |
| 514 | ASSERT(GOODREGS(sii->regs[coreidx])); |
| 515 | } |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 516 | r = (u32 *) ((unsigned char *) sii->regs[coreidx] + regoff); |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 517 | } else if (BUSTYPE(sih->bustype) == PCI_BUS) { |
| 518 | /* If pci/pcie, we can get at pci/pcie regs and on newer cores to chipc */ |
| 519 | |
| 520 | if ((sii->coreid[coreidx] == CC_CORE_ID) && SI_FAST(sii)) { |
| 521 | /* Chipc registers are mapped at 12KB */ |
| 522 | |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 523 | fast = true; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 524 | r = (u32 *) ((char *)sii->curmap + |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 525 | PCI_16KB0_CCREGS_OFFSET + regoff); |
| 526 | } else if (sii->pub.buscoreidx == coreidx) { |
| 527 | /* pci registers are at either in the last 2KB of an 8KB window |
| 528 | * or, in pcie and pci rev 13 at 8KB |
| 529 | */ |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 530 | fast = true; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 531 | if (SI_FAST(sii)) |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 532 | r = (u32 *) ((char *)sii->curmap + |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 533 | PCI_16KB0_PCIREGS_OFFSET + |
| 534 | regoff); |
| 535 | else |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 536 | r = (u32 *) ((char *)sii->curmap + |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 537 | ((regoff >= SBCONFIGOFF) ? |
| 538 | PCI_BAR0_PCISBR_OFFSET : |
| 539 | PCI_BAR0_PCIREGS_OFFSET) + |
| 540 | regoff); |
| 541 | } |
| 542 | } |
| 543 | |
| 544 | if (!fast) { |
| 545 | INTR_OFF(sii, intr_val); |
| 546 | |
| 547 | /* save current core index */ |
| 548 | origidx = si_coreidx(&sii->pub); |
| 549 | |
| 550 | /* switch core */ |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 551 | r = (u32 *) ((unsigned char *) ai_setcoreidx(&sii->pub, coreidx) + |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 552 | regoff); |
| 553 | } |
| 554 | ASSERT(r != NULL); |
| 555 | |
| 556 | /* mask and set */ |
| 557 | if (mask || val) { |
| 558 | w = (R_REG(sii->osh, r) & ~mask) | val; |
| 559 | W_REG(sii->osh, r, w); |
| 560 | } |
| 561 | |
| 562 | /* readback */ |
| 563 | w = R_REG(sii->osh, r); |
| 564 | |
| 565 | if (!fast) { |
| 566 | /* restore core index */ |
| 567 | if (origidx != coreidx) |
| 568 | ai_setcoreidx(&sii->pub, origidx); |
| 569 | |
| 570 | INTR_RESTORE(sii, intr_val); |
| 571 | } |
| 572 | |
Jason Cooper | 90ea229 | 2010-09-14 09:45:32 -0400 | [diff] [blame] | 573 | return w; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 574 | } |
| 575 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 576 | void ai_core_disable(si_t *sih, u32 bits) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 577 | { |
| 578 | si_info_t *sii; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 579 | volatile u32 dummy; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 580 | aidmp_t *ai; |
| 581 | |
| 582 | sii = SI_INFO(sih); |
| 583 | |
| 584 | ASSERT(GOODREGS(sii->curwrap)); |
| 585 | ai = sii->curwrap; |
| 586 | |
| 587 | /* if core is already in reset, just return */ |
| 588 | if (R_REG(sii->osh, &ai->resetctrl) & AIRC_RESET) |
| 589 | return; |
| 590 | |
| 591 | W_REG(sii->osh, &ai->ioctrl, bits); |
| 592 | dummy = R_REG(sii->osh, &ai->ioctrl); |
mike.rapoport@gmail.com | 7383141 | 2010-10-13 00:09:07 +0200 | [diff] [blame] | 593 | udelay(10); |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 594 | |
| 595 | W_REG(sii->osh, &ai->resetctrl, AIRC_RESET); |
mike.rapoport@gmail.com | 7383141 | 2010-10-13 00:09:07 +0200 | [diff] [blame] | 596 | udelay(1); |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 597 | } |
| 598 | |
| 599 | /* reset and re-enable a core |
| 600 | * inputs: |
| 601 | * bits - core specific bits that are set during and after reset sequence |
| 602 | * resetbits - core specific bits that are set only during reset sequence |
| 603 | */ |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 604 | void ai_core_reset(si_t *sih, u32 bits, u32 resetbits) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 605 | { |
| 606 | si_info_t *sii; |
| 607 | aidmp_t *ai; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 608 | volatile u32 dummy; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 609 | |
| 610 | sii = SI_INFO(sih); |
| 611 | ASSERT(GOODREGS(sii->curwrap)); |
| 612 | ai = sii->curwrap; |
| 613 | |
| 614 | /* |
| 615 | * Must do the disable sequence first to work for arbitrary current core state. |
| 616 | */ |
| 617 | ai_core_disable(sih, (bits | resetbits)); |
| 618 | |
| 619 | /* |
| 620 | * Now do the initialization sequence. |
| 621 | */ |
| 622 | W_REG(sii->osh, &ai->ioctrl, (bits | SICF_FGC | SICF_CLOCK_EN)); |
| 623 | dummy = R_REG(sii->osh, &ai->ioctrl); |
| 624 | W_REG(sii->osh, &ai->resetctrl, 0); |
mike.rapoport@gmail.com | 7383141 | 2010-10-13 00:09:07 +0200 | [diff] [blame] | 625 | udelay(1); |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 626 | |
| 627 | W_REG(sii->osh, &ai->ioctrl, (bits | SICF_CLOCK_EN)); |
| 628 | dummy = R_REG(sii->osh, &ai->ioctrl); |
mike.rapoport@gmail.com | 7383141 | 2010-10-13 00:09:07 +0200 | [diff] [blame] | 629 | udelay(1); |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 630 | } |
| 631 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 632 | void ai_core_cflags_wo(si_t *sih, u32 mask, u32 val) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 633 | { |
| 634 | si_info_t *sii; |
| 635 | aidmp_t *ai; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 636 | u32 w; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 637 | |
| 638 | sii = SI_INFO(sih); |
| 639 | |
| 640 | if (BCM47162_DMP()) { |
| 641 | SI_ERROR(("%s: Accessing MIPS DMP register (ioctrl) on 47162a0", |
| 642 | __func__)); |
| 643 | return; |
| 644 | } |
| 645 | |
| 646 | ASSERT(GOODREGS(sii->curwrap)); |
| 647 | ai = sii->curwrap; |
| 648 | |
| 649 | ASSERT((val & ~mask) == 0); |
| 650 | |
| 651 | if (mask || val) { |
| 652 | w = ((R_REG(sii->osh, &ai->ioctrl) & ~mask) | val); |
| 653 | W_REG(sii->osh, &ai->ioctrl, w); |
| 654 | } |
| 655 | } |
| 656 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 657 | u32 ai_core_cflags(si_t *sih, u32 mask, u32 val) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 658 | { |
| 659 | si_info_t *sii; |
| 660 | aidmp_t *ai; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 661 | u32 w; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 662 | |
| 663 | sii = SI_INFO(sih); |
| 664 | if (BCM47162_DMP()) { |
| 665 | SI_ERROR(("%s: Accessing MIPS DMP register (ioctrl) on 47162a0", |
| 666 | __func__)); |
| 667 | return 0; |
| 668 | } |
| 669 | |
| 670 | ASSERT(GOODREGS(sii->curwrap)); |
| 671 | ai = sii->curwrap; |
| 672 | |
| 673 | ASSERT((val & ~mask) == 0); |
| 674 | |
| 675 | if (mask || val) { |
| 676 | w = ((R_REG(sii->osh, &ai->ioctrl) & ~mask) | val); |
| 677 | W_REG(sii->osh, &ai->ioctrl, w); |
| 678 | } |
| 679 | |
| 680 | return R_REG(sii->osh, &ai->ioctrl); |
| 681 | } |
| 682 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 683 | u32 ai_core_sflags(si_t *sih, u32 mask, u32 val) |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 684 | { |
| 685 | si_info_t *sii; |
| 686 | aidmp_t *ai; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 687 | u32 w; |
Henry Ptasinski | a9533e7 | 2010-09-08 21:04:42 -0700 | [diff] [blame] | 688 | |
| 689 | sii = SI_INFO(sih); |
| 690 | if (BCM47162_DMP()) { |
| 691 | SI_ERROR(("%s: Accessing MIPS DMP register (iostatus) on 47162a0", __func__)); |
| 692 | return 0; |
| 693 | } |
| 694 | |
| 695 | ASSERT(GOODREGS(sii->curwrap)); |
| 696 | ai = sii->curwrap; |
| 697 | |
| 698 | ASSERT((val & ~mask) == 0); |
| 699 | ASSERT((mask & ~SISF_CORE_BITS) == 0); |
| 700 | |
| 701 | if (mask || val) { |
| 702 | w = ((R_REG(sii->osh, &ai->iostatus) & ~mask) | val); |
| 703 | W_REG(sii->osh, &ai->iostatus, w); |
| 704 | } |
| 705 | |
| 706 | return R_REG(sii->osh, &ai->iostatus); |
| 707 | } |
| 708 | |