arch/mips/bcm47xx/sprom.c

   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
  34 static 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
  47 static 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)                                            \
  64 static 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
  87 NVRAM_READ_VAL(u8)
  88 NVRAM_READ_VAL(s8)
  89 NVRAM_READ_VAL(u16)
  90 NVRAM_READ_VAL(u32)
  91
  92 #undef NVRAM_READ_VAL
  93
  94 static 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
 114 static 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
 139 static 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
 152 static 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
 170 static 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
 189 static 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
 205 static 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
 213 static 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
 229 static 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
 254 static 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
 262 static 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
 278 static 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
 358 static 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
 395 static 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
 514 static 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
 568 static 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
 616 static 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
 636 static bool bcm47xx_is_valid_mac(u8 *mac)
 637 {
 638         return mac && !(mac[0] == 0x00 && mac[1] == 0x90 && mac[2] == 0x4c);
 639 }
 640
 641 static 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
 661 static int mac_addr_used = 2;
 662
 663 static 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
 701 static 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
 714 void 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
 780 void 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
 793 void 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