1/* 2 * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org> 3 * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> 4 * Copyright (C) 2006 Michael Buesch <m@bues.ch> 5 * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org> 6 * Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de> 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 * 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * 24 * You should have received a copy of the GNU General Public License along 25 * with this program; if not, write to the Free Software Foundation, Inc., 26 * 675 Mass Ave, Cambridge, MA 02139, USA. 27 */ 28 29#include <bcm47xx.h> 30#include <bcm47xx_nvram.h> 31#include <linux/if_ether.h> 32#include <linux/etherdevice.h> 33 34static void create_key(const char *prefix, const char *postfix, 35 const char *name, char *buf, int len) 36{ 37 if (prefix && postfix) 38 snprintf(buf, len, "%s%s%s", prefix, name, postfix); 39 else if (prefix) 40 snprintf(buf, len, "%s%s", prefix, name); 41 else if (postfix) 42 snprintf(buf, len, "%s%s", name, postfix); 43 else 44 snprintf(buf, len, "%s", name); 45} 46 47static int get_nvram_var(const char *prefix, const char *postfix, 48 const char *name, char *buf, int len, bool fallback) 49{ 50 char key[40]; 51 int err; 52 53 create_key(prefix, postfix, name, key, sizeof(key)); 54 55 err = bcm47xx_nvram_getenv(key, buf, len); 56 if (fallback && err == -ENOENT && prefix) { 57 create_key(NULL, postfix, name, key, sizeof(key)); 58 err = bcm47xx_nvram_getenv(key, buf, len); 59 } 60 return err; 61} 62 63#define NVRAM_READ_VAL(type) \ 64static void nvram_read_ ## type (const char *prefix, \ 65 const char *postfix, const char *name, \ 66 type *val, type allset, bool fallback) \ 67{ \ 68 char buf[100]; \ 69 int err; \ 70 type var; \ 71 \ 72 err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf), \ 73 fallback); \ 74 if (err < 0) \ 75 return; \ 76 err = kstrto ## type(strim(buf), 0, &var); \ 77 if (err) { \ 78 pr_warn("can not parse nvram name %s%s%s with value %s got %i\n", \ 79 prefix, name, postfix, buf, err); \ 80 return; \ 81 } \ 82 if (allset && var == allset) \ 83 return; \ 84 *val = var; \ 85} 86 87NVRAM_READ_VAL(u8) 88NVRAM_READ_VAL(s8) 89NVRAM_READ_VAL(u16) 90NVRAM_READ_VAL(u32) 91 92#undef NVRAM_READ_VAL 93 94static void nvram_read_u32_2(const char *prefix, const char *name, 95 u16 *val_lo, u16 *val_hi, bool fallback) 96{ 97 char buf[100]; 98 int err; 99 u32 val; 100 101 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 102 if (err < 0) 103 return; 104 err = kstrtou32(strim(buf), 0, &val); 105 if (err) { 106 pr_warn("can not parse nvram name %s%s with value %s got %i\n", 107 prefix, name, buf, err); 108 return; 109 } 110 *val_lo = (val & 0x0000FFFFU); 111 *val_hi = (val & 0xFFFF0000U) >> 16; 112} 113 114static void nvram_read_leddc(const char *prefix, const char *name, 115 u8 *leddc_on_time, u8 *leddc_off_time, 116 bool fallback) 117{ 118 char buf[100]; 119 int err; 120 u32 val; 121 122 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 123 if (err < 0) 124 return; 125 err = kstrtou32(strim(buf), 0, &val); 126 if (err) { 127 pr_warn("can not parse nvram name %s%s with value %s got %i\n", 128 prefix, name, buf, err); 129 return; 130 } 131 132 if (val == 0xffff || val == 0xffffffff) 133 return; 134 135 *leddc_on_time = val & 0xff; 136 *leddc_off_time = (val >> 16) & 0xff; 137} 138 139static void nvram_read_macaddr(const char *prefix, const char *name, 140 u8 val[6], bool fallback) 141{ 142 char buf[100]; 143 int err; 144 145 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 146 if (err < 0) 147 return; 148 149 bcm47xx_nvram_parse_macaddr(buf, val); 150} 151 152static void nvram_read_alpha2(const char *prefix, const char *name, 153 char val[2], bool fallback) 154{ 155 char buf[10]; 156 int err; 157 158 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 159 if (err < 0) 160 return; 161 if (buf[0] == '0') 162 return; 163 if (strlen(buf) > 2) { 164 pr_warn("alpha2 is too long %s\n", buf); 165 return; 166 } 167 memcpy(val, buf, 2); 168} 169 170static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom, 171 const char *prefix, bool fallback) 172{ 173 nvram_read_u16(prefix, NULL, "devid", &sprom->dev_id, 0, fallback); 174 nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff, fallback); 175 nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff, fallback); 176 nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff, fallback); 177 nvram_read_u8(prefix, NULL, "ledbh3", &sprom->gpio3, 0xff, fallback); 178 nvram_read_u8(prefix, NULL, "aa2g", &sprom->ant_available_bg, 0, 179 fallback); 180 nvram_read_u8(prefix, NULL, "aa5g", &sprom->ant_available_a, 0, 181 fallback); 182 nvram_read_s8(prefix, NULL, "ag0", &sprom->antenna_gain.a0, 0, 183 fallback); 184 nvram_read_s8(prefix, NULL, "ag1", &sprom->antenna_gain.a1, 0, 185 fallback); 186 nvram_read_alpha2(prefix, "ccode", sprom->alpha2, fallback); 187} 188 189static void bcm47xx_fill_sprom_r12389(struct ssb_sprom *sprom, 190 const char *prefix, bool fallback) 191{ 192 nvram_read_u16(prefix, NULL, "pa0b0", &sprom->pa0b0, 0, fallback); 193 nvram_read_u16(prefix, NULL, "pa0b1", &sprom->pa0b1, 0, fallback); 194 nvram_read_u16(prefix, NULL, "pa0b2", &sprom->pa0b2, 0, fallback); 195 nvram_read_u8(prefix, NULL, "pa0itssit", &sprom->itssi_bg, 0, fallback); 196 nvram_read_u8(prefix, NULL, "pa0maxpwr", &sprom->maxpwr_bg, 0, 197 fallback); 198 nvram_read_u16(prefix, NULL, "pa1b0", &sprom->pa1b0, 0, fallback); 199 nvram_read_u16(prefix, NULL, "pa1b1", &sprom->pa1b1, 0, fallback); 200 nvram_read_u16(prefix, NULL, "pa1b2", &sprom->pa1b2, 0, fallback); 201 nvram_read_u8(prefix, NULL, "pa1itssit", &sprom->itssi_a, 0, fallback); 202 nvram_read_u8(prefix, NULL, "pa1maxpwr", &sprom->maxpwr_a, 0, fallback); 203} 204 205static void bcm47xx_fill_sprom_r1(struct ssb_sprom *sprom, const char *prefix, 206 bool fallback) 207{ 208 nvram_read_u16(prefix, NULL, "boardflags", &sprom->boardflags_lo, 0, 209 fallback); 210 nvram_read_u8(prefix, NULL, "cc", &sprom->country_code, 0, fallback); 211} 212 213static void bcm47xx_fill_sprom_r2389(struct ssb_sprom *sprom, 214 const char *prefix, bool fallback) 215{ 216 nvram_read_u8(prefix, NULL, "opo", &sprom->opo, 0, fallback); 217 nvram_read_u16(prefix, NULL, "pa1lob0", &sprom->pa1lob0, 0, fallback); 218 nvram_read_u16(prefix, NULL, "pa1lob1", &sprom->pa1lob1, 0, fallback); 219 nvram_read_u16(prefix, NULL, "pa1lob2", &sprom->pa1lob2, 0, fallback); 220 nvram_read_u16(prefix, NULL, "pa1hib0", &sprom->pa1hib0, 0, fallback); 221 nvram_read_u16(prefix, NULL, "pa1hib1", &sprom->pa1hib1, 0, fallback); 222 nvram_read_u16(prefix, NULL, "pa1hib2", &sprom->pa1hib2, 0, fallback); 223 nvram_read_u8(prefix, NULL, "pa1lomaxpwr", &sprom->maxpwr_al, 0, 224 fallback); 225 nvram_read_u8(prefix, NULL, "pa1himaxpwr", &sprom->maxpwr_ah, 0, 226 fallback); 227} 228 229static void bcm47xx_fill_sprom_r389(struct ssb_sprom *sprom, const char *prefix, 230 bool fallback) 231{ 232 nvram_read_u8(prefix, NULL, "bxa2g", &sprom->bxa2g, 0, fallback); 233 nvram_read_u8(prefix, NULL, "rssisav2g", &sprom->rssisav2g, 0, 234 fallback); 235 nvram_read_u8(prefix, NULL, "rssismc2g", &sprom->rssismc2g, 0, 236 fallback); 237 nvram_read_u8(prefix, NULL, "rssismf2g", &sprom->rssismf2g, 0, 238 fallback); 239 nvram_read_u8(prefix, NULL, "bxa5g", &sprom->bxa5g, 0, fallback); 240 nvram_read_u8(prefix, NULL, "rssisav5g", &sprom->rssisav5g, 0, 241 fallback); 242 nvram_read_u8(prefix, NULL, "rssismc5g", &sprom->rssismc5g, 0, 243 fallback); 244 nvram_read_u8(prefix, NULL, "rssismf5g", &sprom->rssismf5g, 0, 245 fallback); 246 nvram_read_u8(prefix, NULL, "tri2g", &sprom->tri2g, 0, fallback); 247 nvram_read_u8(prefix, NULL, "tri5g", &sprom->tri5g, 0, fallback); 248 nvram_read_u8(prefix, NULL, "tri5gl", &sprom->tri5gl, 0, fallback); 249 nvram_read_u8(prefix, NULL, "tri5gh", &sprom->tri5gh, 0, fallback); 250 nvram_read_s8(prefix, NULL, "rxpo2g", &sprom->rxpo2g, 0, fallback); 251 nvram_read_s8(prefix, NULL, "rxpo5g", &sprom->rxpo5g, 0, fallback); 252} 253 254static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix, 255 bool fallback) 256{ 257 nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback); 258 nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time, 259 &sprom->leddc_off_time, fallback); 260} 261 262static void bcm47xx_fill_sprom_r4589(struct ssb_sprom *sprom, 263 const char *prefix, bool fallback) 264{ 265 nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback); 266 nvram_read_s8(prefix, NULL, "ag2", &sprom->antenna_gain.a2, 0, 267 fallback); 268 nvram_read_s8(prefix, NULL, "ag3", &sprom->antenna_gain.a3, 0, 269 fallback); 270 nvram_read_u8(prefix, NULL, "txchain", &sprom->txchain, 0xf, fallback); 271 nvram_read_u8(prefix, NULL, "rxchain", &sprom->rxchain, 0xf, fallback); 272 nvram_read_u8(prefix, NULL, "antswitch", &sprom->antswitch, 0xff, 273 fallback); 274 nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time, 275 &sprom->leddc_off_time, fallback); 276} 277 278static void bcm47xx_fill_sprom_r458(struct ssb_sprom *sprom, const char *prefix, 279 bool fallback) 280{ 281 nvram_read_u16(prefix, NULL, "cck2gpo", &sprom->cck2gpo, 0, fallback); 282 nvram_read_u32(prefix, NULL, "ofdm2gpo", &sprom->ofdm2gpo, 0, fallback); 283 nvram_read_u32(prefix, NULL, "ofdm5gpo", &sprom->ofdm5gpo, 0, fallback); 284 nvram_read_u32(prefix, NULL, "ofdm5glpo", &sprom->ofdm5glpo, 0, 285 fallback); 286 nvram_read_u32(prefix, NULL, "ofdm5ghpo", &sprom->ofdm5ghpo, 0, 287 fallback); 288 nvram_read_u16(prefix, NULL, "cddpo", &sprom->cddpo, 0, fallback); 289 nvram_read_u16(prefix, NULL, "stbcpo", &sprom->stbcpo, 0, fallback); 290 nvram_read_u16(prefix, NULL, "bw40po", &sprom->bw40po, 0, fallback); 291 nvram_read_u16(prefix, NULL, "bwduppo", &sprom->bwduppo, 0, fallback); 292 nvram_read_u16(prefix, NULL, "mcs2gpo0", &sprom->mcs2gpo[0], 0, 293 fallback); 294 nvram_read_u16(prefix, NULL, "mcs2gpo1", &sprom->mcs2gpo[1], 0, 295 fallback); 296 nvram_read_u16(prefix, NULL, "mcs2gpo2", &sprom->mcs2gpo[2], 0, 297 fallback); 298 nvram_read_u16(prefix, NULL, "mcs2gpo3", &sprom->mcs2gpo[3], 0, 299 fallback); 300 nvram_read_u16(prefix, NULL, "mcs2gpo4", &sprom->mcs2gpo[4], 0, 301 fallback); 302 nvram_read_u16(prefix, NULL, "mcs2gpo5", &sprom->mcs2gpo[5], 0, 303 fallback); 304 nvram_read_u16(prefix, NULL, "mcs2gpo6", &sprom->mcs2gpo[6], 0, 305 fallback); 306 nvram_read_u16(prefix, NULL, "mcs2gpo7", &sprom->mcs2gpo[7], 0, 307 fallback); 308 nvram_read_u16(prefix, NULL, "mcs5gpo0", &sprom->mcs5gpo[0], 0, 309 fallback); 310 nvram_read_u16(prefix, NULL, "mcs5gpo1", &sprom->mcs5gpo[1], 0, 311 fallback); 312 nvram_read_u16(prefix, NULL, "mcs5gpo2", &sprom->mcs5gpo[2], 0, 313 fallback); 314 nvram_read_u16(prefix, NULL, "mcs5gpo3", &sprom->mcs5gpo[3], 0, 315 fallback); 316 nvram_read_u16(prefix, NULL, "mcs5gpo4", &sprom->mcs5gpo[4], 0, 317 fallback); 318 nvram_read_u16(prefix, NULL, "mcs5gpo5", &sprom->mcs5gpo[5], 0, 319 fallback); 320 nvram_read_u16(prefix, NULL, "mcs5gpo6", &sprom->mcs5gpo[6], 0, 321 fallback); 322 nvram_read_u16(prefix, NULL, "mcs5gpo7", &sprom->mcs5gpo[7], 0, 323 fallback); 324 nvram_read_u16(prefix, NULL, "mcs5glpo0", &sprom->mcs5glpo[0], 0, 325 fallback); 326 nvram_read_u16(prefix, NULL, "mcs5glpo1", &sprom->mcs5glpo[1], 0, 327 fallback); 328 nvram_read_u16(prefix, NULL, "mcs5glpo2", &sprom->mcs5glpo[2], 0, 329 fallback); 330 nvram_read_u16(prefix, NULL, "mcs5glpo3", &sprom->mcs5glpo[3], 0, 331 fallback); 332 nvram_read_u16(prefix, NULL, "mcs5glpo4", &sprom->mcs5glpo[4], 0, 333 fallback); 334 nvram_read_u16(prefix, NULL, "mcs5glpo5", &sprom->mcs5glpo[5], 0, 335 fallback); 336 nvram_read_u16(prefix, NULL, "mcs5glpo6", &sprom->mcs5glpo[6], 0, 337 fallback); 338 nvram_read_u16(prefix, NULL, "mcs5glpo7", &sprom->mcs5glpo[7], 0, 339 fallback); 340 nvram_read_u16(prefix, NULL, "mcs5ghpo0", &sprom->mcs5ghpo[0], 0, 341 fallback); 342 nvram_read_u16(prefix, NULL, "mcs5ghpo1", &sprom->mcs5ghpo[1], 0, 343 fallback); 344 nvram_read_u16(prefix, NULL, "mcs5ghpo2", &sprom->mcs5ghpo[2], 0, 345 fallback); 346 nvram_read_u16(prefix, NULL, "mcs5ghpo3", &sprom->mcs5ghpo[3], 0, 347 fallback); 348 nvram_read_u16(prefix, NULL, "mcs5ghpo4", &sprom->mcs5ghpo[4], 0, 349 fallback); 350 nvram_read_u16(prefix, NULL, "mcs5ghpo5", &sprom->mcs5ghpo[5], 0, 351 fallback); 352 nvram_read_u16(prefix, NULL, "mcs5ghpo6", &sprom->mcs5ghpo[6], 0, 353 fallback); 354 nvram_read_u16(prefix, NULL, "mcs5ghpo7", &sprom->mcs5ghpo[7], 0, 355 fallback); 356} 357 358static void bcm47xx_fill_sprom_r45(struct ssb_sprom *sprom, const char *prefix, 359 bool fallback) 360{ 361 nvram_read_u8(prefix, NULL, "txpid2ga0", &sprom->txpid2g[0], 0, 362 fallback); 363 nvram_read_u8(prefix, NULL, "txpid2ga1", &sprom->txpid2g[1], 0, 364 fallback); 365 nvram_read_u8(prefix, NULL, "txpid2ga2", &sprom->txpid2g[2], 0, 366 fallback); 367 nvram_read_u8(prefix, NULL, "txpid2ga3", &sprom->txpid2g[3], 0, 368 fallback); 369 nvram_read_u8(prefix, NULL, "txpid5ga0", &sprom->txpid5g[0], 0, 370 fallback); 371 nvram_read_u8(prefix, NULL, "txpid5ga1", &sprom->txpid5g[1], 0, 372 fallback); 373 nvram_read_u8(prefix, NULL, "txpid5ga2", &sprom->txpid5g[2], 0, 374 fallback); 375 nvram_read_u8(prefix, NULL, "txpid5ga3", &sprom->txpid5g[3], 0, 376 fallback); 377 nvram_read_u8(prefix, NULL, "txpid5gla0", &sprom->txpid5gl[0], 0, 378 fallback); 379 nvram_read_u8(prefix, NULL, "txpid5gla1", &sprom->txpid5gl[1], 0, 380 fallback); 381 nvram_read_u8(prefix, NULL, "txpid5gla2", &sprom->txpid5gl[2], 0, 382 fallback); 383 nvram_read_u8(prefix, NULL, "txpid5gla3", &sprom->txpid5gl[3], 0, 384 fallback); 385 nvram_read_u8(prefix, NULL, "txpid5gha0", &sprom->txpid5gh[0], 0, 386 fallback); 387 nvram_read_u8(prefix, NULL, "txpid5gha1", &sprom->txpid5gh[1], 0, 388 fallback); 389 nvram_read_u8(prefix, NULL, "txpid5gha2", &sprom->txpid5gh[2], 0, 390 fallback); 391 nvram_read_u8(prefix, NULL, "txpid5gha3", &sprom->txpid5gh[3], 0, 392 fallback); 393} 394 395static void bcm47xx_fill_sprom_r89(struct ssb_sprom *sprom, const char *prefix, 396 bool fallback) 397{ 398 nvram_read_u8(prefix, NULL, "tssipos2g", &sprom->fem.ghz2.tssipos, 0, 399 fallback); 400 nvram_read_u8(prefix, NULL, "extpagain2g", 401 &sprom->fem.ghz2.extpa_gain, 0, fallback); 402 nvram_read_u8(prefix, NULL, "pdetrange2g", 403 &sprom->fem.ghz2.pdet_range, 0, fallback); 404 nvram_read_u8(prefix, NULL, "triso2g", &sprom->fem.ghz2.tr_iso, 0, 405 fallback); 406 nvram_read_u8(prefix, NULL, "antswctl2g", &sprom->fem.ghz2.antswlut, 0, 407 fallback); 408 nvram_read_u8(prefix, NULL, "tssipos5g", &sprom->fem.ghz5.tssipos, 0, 409 fallback); 410 nvram_read_u8(prefix, NULL, "extpagain5g", 411 &sprom->fem.ghz5.extpa_gain, 0, fallback); 412 nvram_read_u8(prefix, NULL, "pdetrange5g", 413 &sprom->fem.ghz5.pdet_range, 0, fallback); 414 nvram_read_u8(prefix, NULL, "triso5g", &sprom->fem.ghz5.tr_iso, 0, 415 fallback); 416 nvram_read_u8(prefix, NULL, "antswctl5g", &sprom->fem.ghz5.antswlut, 0, 417 fallback); 418 nvram_read_u8(prefix, NULL, "tempthresh", &sprom->tempthresh, 0, 419 fallback); 420 nvram_read_u8(prefix, NULL, "tempoffset", &sprom->tempoffset, 0, 421 fallback); 422 nvram_read_u16(prefix, NULL, "rawtempsense", &sprom->rawtempsense, 0, 423 fallback); 424 nvram_read_u8(prefix, NULL, "measpower", &sprom->measpower, 0, 425 fallback); 426 nvram_read_u8(prefix, NULL, "tempsense_slope", 427 &sprom->tempsense_slope, 0, fallback); 428 nvram_read_u8(prefix, NULL, "tempcorrx", &sprom->tempcorrx, 0, 429 fallback); 430 nvram_read_u8(prefix, NULL, "tempsense_option", 431 &sprom->tempsense_option, 0, fallback); 432 nvram_read_u8(prefix, NULL, "freqoffset_corr", 433 &sprom->freqoffset_corr, 0, fallback); 434 nvram_read_u8(prefix, NULL, "iqcal_swp_dis", &sprom->iqcal_swp_dis, 0, 435 fallback); 436 nvram_read_u8(prefix, NULL, "hw_iqcal_en", &sprom->hw_iqcal_en, 0, 437 fallback); 438 nvram_read_u8(prefix, NULL, "elna2g", &sprom->elna2g, 0, fallback); 439 nvram_read_u8(prefix, NULL, "elna5g", &sprom->elna5g, 0, fallback); 440 nvram_read_u8(prefix, NULL, "phycal_tempdelta", 441 &sprom->phycal_tempdelta, 0, fallback); 442 nvram_read_u8(prefix, NULL, "temps_period", &sprom->temps_period, 0, 443 fallback); 444 nvram_read_u8(prefix, NULL, "temps_hysteresis", 445 &sprom->temps_hysteresis, 0, fallback); 446 nvram_read_u8(prefix, NULL, "measpower1", &sprom->measpower1, 0, 447 fallback); 448 nvram_read_u8(prefix, NULL, "measpower2", &sprom->measpower2, 0, 449 fallback); 450 nvram_read_u8(prefix, NULL, "rxgainerr2ga0", 451 &sprom->rxgainerr2ga[0], 0, fallback); 452 nvram_read_u8(prefix, NULL, "rxgainerr2ga1", 453 &sprom->rxgainerr2ga[1], 0, fallback); 454 nvram_read_u8(prefix, NULL, "rxgainerr2ga2", 455 &sprom->rxgainerr2ga[2], 0, fallback); 456 nvram_read_u8(prefix, NULL, "rxgainerr5gla0", 457 &sprom->rxgainerr5gla[0], 0, fallback); 458 nvram_read_u8(prefix, NULL, "rxgainerr5gla1", 459 &sprom->rxgainerr5gla[1], 0, fallback); 460 nvram_read_u8(prefix, NULL, "rxgainerr5gla2", 461 &sprom->rxgainerr5gla[2], 0, fallback); 462 nvram_read_u8(prefix, NULL, "rxgainerr5gma0", 463 &sprom->rxgainerr5gma[0], 0, fallback); 464 nvram_read_u8(prefix, NULL, "rxgainerr5gma1", 465 &sprom->rxgainerr5gma[1], 0, fallback); 466 nvram_read_u8(prefix, NULL, "rxgainerr5gma2", 467 &sprom->rxgainerr5gma[2], 0, fallback); 468 nvram_read_u8(prefix, NULL, "rxgainerr5gha0", 469 &sprom->rxgainerr5gha[0], 0, fallback); 470 nvram_read_u8(prefix, NULL, "rxgainerr5gha1", 471 &sprom->rxgainerr5gha[1], 0, fallback); 472 nvram_read_u8(prefix, NULL, "rxgainerr5gha2", 473 &sprom->rxgainerr5gha[2], 0, fallback); 474 nvram_read_u8(prefix, NULL, "rxgainerr5gua0", 475 &sprom->rxgainerr5gua[0], 0, fallback); 476 nvram_read_u8(prefix, NULL, "rxgainerr5gua1", 477 &sprom->rxgainerr5gua[1], 0, fallback); 478 nvram_read_u8(prefix, NULL, "rxgainerr5gua2", 479 &sprom->rxgainerr5gua[2], 0, fallback); 480 nvram_read_u8(prefix, NULL, "noiselvl2ga0", &sprom->noiselvl2ga[0], 0, 481 fallback); 482 nvram_read_u8(prefix, NULL, "noiselvl2ga1", &sprom->noiselvl2ga[1], 0, 483 fallback); 484 nvram_read_u8(prefix, NULL, "noiselvl2ga2", &sprom->noiselvl2ga[2], 0, 485 fallback); 486 nvram_read_u8(prefix, NULL, "noiselvl5gla0", 487 &sprom->noiselvl5gla[0], 0, fallback); 488 nvram_read_u8(prefix, NULL, "noiselvl5gla1", 489 &sprom->noiselvl5gla[1], 0, fallback); 490 nvram_read_u8(prefix, NULL, "noiselvl5gla2", 491 &sprom->noiselvl5gla[2], 0, fallback); 492 nvram_read_u8(prefix, NULL, "noiselvl5gma0", 493 &sprom->noiselvl5gma[0], 0, fallback); 494 nvram_read_u8(prefix, NULL, "noiselvl5gma1", 495 &sprom->noiselvl5gma[1], 0, fallback); 496 nvram_read_u8(prefix, NULL, "noiselvl5gma2", 497 &sprom->noiselvl5gma[2], 0, fallback); 498 nvram_read_u8(prefix, NULL, "noiselvl5gha0", 499 &sprom->noiselvl5gha[0], 0, fallback); 500 nvram_read_u8(prefix, NULL, "noiselvl5gha1", 501 &sprom->noiselvl5gha[1], 0, fallback); 502 nvram_read_u8(prefix, NULL, "noiselvl5gha2", 503 &sprom->noiselvl5gha[2], 0, fallback); 504 nvram_read_u8(prefix, NULL, "noiselvl5gua0", 505 &sprom->noiselvl5gua[0], 0, fallback); 506 nvram_read_u8(prefix, NULL, "noiselvl5gua1", 507 &sprom->noiselvl5gua[1], 0, fallback); 508 nvram_read_u8(prefix, NULL, "noiselvl5gua2", 509 &sprom->noiselvl5gua[2], 0, fallback); 510 nvram_read_u8(prefix, NULL, "pcieingress_war", 511 &sprom->pcieingress_war, 0, fallback); 512} 513 514static void bcm47xx_fill_sprom_r9(struct ssb_sprom *sprom, const char *prefix, 515 bool fallback) 516{ 517 nvram_read_u16(prefix, NULL, "cckbw202gpo", &sprom->cckbw202gpo, 0, 518 fallback); 519 nvram_read_u16(prefix, NULL, "cckbw20ul2gpo", &sprom->cckbw20ul2gpo, 0, 520 fallback); 521 nvram_read_u32(prefix, NULL, "legofdmbw202gpo", 522 &sprom->legofdmbw202gpo, 0, fallback); 523 nvram_read_u32(prefix, NULL, "legofdmbw20ul2gpo", 524 &sprom->legofdmbw20ul2gpo, 0, fallback); 525 nvram_read_u32(prefix, NULL, "legofdmbw205glpo", 526 &sprom->legofdmbw205glpo, 0, fallback); 527 nvram_read_u32(prefix, NULL, "legofdmbw20ul5glpo", 528 &sprom->legofdmbw20ul5glpo, 0, fallback); 529 nvram_read_u32(prefix, NULL, "legofdmbw205gmpo", 530 &sprom->legofdmbw205gmpo, 0, fallback); 531 nvram_read_u32(prefix, NULL, "legofdmbw20ul5gmpo", 532 &sprom->legofdmbw20ul5gmpo, 0, fallback); 533 nvram_read_u32(prefix, NULL, "legofdmbw205ghpo", 534 &sprom->legofdmbw205ghpo, 0, fallback); 535 nvram_read_u32(prefix, NULL, "legofdmbw20ul5ghpo", 536 &sprom->legofdmbw20ul5ghpo, 0, fallback); 537 nvram_read_u32(prefix, NULL, "mcsbw202gpo", &sprom->mcsbw202gpo, 0, 538 fallback); 539 nvram_read_u32(prefix, NULL, "mcsbw20ul2gpo", &sprom->mcsbw20ul2gpo, 0, 540 fallback); 541 nvram_read_u32(prefix, NULL, "mcsbw402gpo", &sprom->mcsbw402gpo, 0, 542 fallback); 543 nvram_read_u32(prefix, NULL, "mcsbw205glpo", &sprom->mcsbw205glpo, 0, 544 fallback); 545 nvram_read_u32(prefix, NULL, "mcsbw20ul5glpo", 546 &sprom->mcsbw20ul5glpo, 0, fallback); 547 nvram_read_u32(prefix, NULL, "mcsbw405glpo", &sprom->mcsbw405glpo, 0, 548 fallback); 549 nvram_read_u32(prefix, NULL, "mcsbw205gmpo", &sprom->mcsbw205gmpo, 0, 550 fallback); 551 nvram_read_u32(prefix, NULL, "mcsbw20ul5gmpo", 552 &sprom->mcsbw20ul5gmpo, 0, fallback); 553 nvram_read_u32(prefix, NULL, "mcsbw405gmpo", &sprom->mcsbw405gmpo, 0, 554 fallback); 555 nvram_read_u32(prefix, NULL, "mcsbw205ghpo", &sprom->mcsbw205ghpo, 0, 556 fallback); 557 nvram_read_u32(prefix, NULL, "mcsbw20ul5ghpo", 558 &sprom->mcsbw20ul5ghpo, 0, fallback); 559 nvram_read_u32(prefix, NULL, "mcsbw405ghpo", &sprom->mcsbw405ghpo, 0, 560 fallback); 561 nvram_read_u16(prefix, NULL, "mcs32po", &sprom->mcs32po, 0, fallback); 562 nvram_read_u16(prefix, NULL, "legofdm40duppo", 563 &sprom->legofdm40duppo, 0, fallback); 564 nvram_read_u8(prefix, NULL, "sar2g", &sprom->sar2g, 0, fallback); 565 nvram_read_u8(prefix, NULL, "sar5g", &sprom->sar5g, 0, fallback); 566} 567 568static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom, 569 const char *prefix, bool fallback) 570{ 571 char postfix[2]; 572 int i; 573 574 for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { 575 struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i]; 576 snprintf(postfix, sizeof(postfix), "%i", i); 577 nvram_read_u8(prefix, postfix, "maxp2ga", 578 &pwr_info->maxpwr_2g, 0, fallback); 579 nvram_read_u8(prefix, postfix, "itt2ga", 580 &pwr_info->itssi_2g, 0, fallback); 581 nvram_read_u8(prefix, postfix, "itt5ga", 582 &pwr_info->itssi_5g, 0, fallback); 583 nvram_read_u16(prefix, postfix, "pa2gw0a", 584 &pwr_info->pa_2g[0], 0, fallback); 585 nvram_read_u16(prefix, postfix, "pa2gw1a", 586 &pwr_info->pa_2g[1], 0, fallback); 587 nvram_read_u16(prefix, postfix, "pa2gw2a", 588 &pwr_info->pa_2g[2], 0, fallback); 589 nvram_read_u8(prefix, postfix, "maxp5ga", 590 &pwr_info->maxpwr_5g, 0, fallback); 591 nvram_read_u8(prefix, postfix, "maxp5gha", 592 &pwr_info->maxpwr_5gh, 0, fallback); 593 nvram_read_u8(prefix, postfix, "maxp5gla", 594 &pwr_info->maxpwr_5gl, 0, fallback); 595 nvram_read_u16(prefix, postfix, "pa5gw0a", 596 &pwr_info->pa_5g[0], 0, fallback); 597 nvram_read_u16(prefix, postfix, "pa5gw1a", 598 &pwr_info->pa_5g[1], 0, fallback); 599 nvram_read_u16(prefix, postfix, "pa5gw2a", 600 &pwr_info->pa_5g[2], 0, fallback); 601 nvram_read_u16(prefix, postfix, "pa5glw0a", 602 &pwr_info->pa_5gl[0], 0, fallback); 603 nvram_read_u16(prefix, postfix, "pa5glw1a", 604 &pwr_info->pa_5gl[1], 0, fallback); 605 nvram_read_u16(prefix, postfix, "pa5glw2a", 606 &pwr_info->pa_5gl[2], 0, fallback); 607 nvram_read_u16(prefix, postfix, "pa5ghw0a", 608 &pwr_info->pa_5gh[0], 0, fallback); 609 nvram_read_u16(prefix, postfix, "pa5ghw1a", 610 &pwr_info->pa_5gh[1], 0, fallback); 611 nvram_read_u16(prefix, postfix, "pa5ghw2a", 612 &pwr_info->pa_5gh[2], 0, fallback); 613 } 614} 615 616static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom, 617 const char *prefix, bool fallback) 618{ 619 char postfix[2]; 620 int i; 621 622 for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { 623 struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i]; 624 snprintf(postfix, sizeof(postfix), "%i", i); 625 nvram_read_u16(prefix, postfix, "pa2gw3a", 626 &pwr_info->pa_2g[3], 0, fallback); 627 nvram_read_u16(prefix, postfix, "pa5gw3a", 628 &pwr_info->pa_5g[3], 0, fallback); 629 nvram_read_u16(prefix, postfix, "pa5glw3a", 630 &pwr_info->pa_5gl[3], 0, fallback); 631 nvram_read_u16(prefix, postfix, "pa5ghw3a", 632 &pwr_info->pa_5gh[3], 0, fallback); 633 } 634} 635 636static bool bcm47xx_is_valid_mac(u8 *mac) 637{ 638 return mac && !(mac[0] == 0x00 && mac[1] == 0x90 && mac[2] == 0x4c); 639} 640 641static int bcm47xx_increase_mac_addr(u8 *mac, u8 num) 642{ 643 u8 *oui = mac + ETH_ALEN/2 - 1; 644 u8 *p = mac + ETH_ALEN - 1; 645 646 do { 647 (*p) += num; 648 if (*p > num) 649 break; 650 p--; 651 num = 1; 652 } while (p != oui); 653 654 if (p == oui) { 655 pr_err("unable to fetch mac address\n"); 656 return -ENOENT; 657 } 658 return 0; 659} 660 661static int mac_addr_used = 2; 662 663static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, 664 const char *prefix, bool fallback) 665{ 666 nvram_read_macaddr(prefix, "et0macaddr", sprom->et0mac, fallback); 667 nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0, 668 fallback); 669 nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0, 670 fallback); 671 672 nvram_read_macaddr(prefix, "et1macaddr", sprom->et1mac, fallback); 673 nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0, 674 fallback); 675 nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0, 676 fallback); 677 678 nvram_read_macaddr(prefix, "macaddr", sprom->il0mac, fallback); 679 nvram_read_macaddr(prefix, "il0macaddr", sprom->il0mac, fallback); 680 681 /* The address prefix 00:90:4C is used by Broadcom in their initial 682 configuration. When a mac address with the prefix 00:90:4C is used 683 all devices from the same series are sharing the same mac address. 684 To prevent mac address collisions we replace them with a mac address 685 based on the base address. */ 686 if (!bcm47xx_is_valid_mac(sprom->il0mac)) { 687 u8 mac[6]; 688 689 nvram_read_macaddr(NULL, "et0macaddr", mac, false); 690 if (bcm47xx_is_valid_mac(mac)) { 691 int err = bcm47xx_increase_mac_addr(mac, mac_addr_used); 692 693 if (!err) { 694 ether_addr_copy(sprom->il0mac, mac); 695 mac_addr_used++; 696 } 697 } 698 } 699} 700 701static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix, 702 bool fallback) 703{ 704 nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0, true); 705 nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0, 706 fallback); 707 nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0, true); 708 nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo, 709 &sprom->boardflags_hi, fallback); 710 nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo, 711 &sprom->boardflags2_hi, fallback); 712} 713 714void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix, 715 bool fallback) 716{ 717 bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback); 718 bcm47xx_fill_board_data(sprom, prefix, fallback); 719 720 nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback); 721 722 switch (sprom->revision) { 723 case 1: 724 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 725 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); 726 bcm47xx_fill_sprom_r1(sprom, prefix, fallback); 727 break; 728 case 2: 729 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 730 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); 731 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback); 732 break; 733 case 3: 734 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 735 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); 736 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback); 737 bcm47xx_fill_sprom_r389(sprom, prefix, fallback); 738 bcm47xx_fill_sprom_r3(sprom, prefix, fallback); 739 break; 740 case 4: 741 case 5: 742 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 743 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback); 744 bcm47xx_fill_sprom_r458(sprom, prefix, fallback); 745 bcm47xx_fill_sprom_r45(sprom, prefix, fallback); 746 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); 747 bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback); 748 break; 749 case 8: 750 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 751 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); 752 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback); 753 bcm47xx_fill_sprom_r389(sprom, prefix, fallback); 754 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback); 755 bcm47xx_fill_sprom_r458(sprom, prefix, fallback); 756 bcm47xx_fill_sprom_r89(sprom, prefix, fallback); 757 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); 758 break; 759 case 9: 760 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 761 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); 762 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback); 763 bcm47xx_fill_sprom_r389(sprom, prefix, fallback); 764 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback); 765 bcm47xx_fill_sprom_r89(sprom, prefix, fallback); 766 bcm47xx_fill_sprom_r9(sprom, prefix, fallback); 767 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); 768 break; 769 default: 770 pr_warn("Unsupported SPROM revision %d detected. Will extract" 771 " v1\n", sprom->revision); 772 sprom->revision = 1; 773 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 774 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback); 775 bcm47xx_fill_sprom_r1(sprom, prefix, fallback); 776 } 777} 778 779#ifdef CONFIG_BCM47XX_SSB 780void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo, 781 const char *prefix) 782{ 783 nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0, 784 true); 785 if (!boardinfo->vendor) 786 boardinfo->vendor = SSB_BOARDVENDOR_BCM; 787 788 nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true); 789} 790#endif 791 792#ifdef CONFIG_BCM47XX_BCMA 793void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo, 794 const char *prefix) 795{ 796 nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0, 797 true); 798 if (!boardinfo->vendor) 799 boardinfo->vendor = SSB_BOARDVENDOR_BCM; 800 801 nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true); 802} 803#endif 804