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 bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
 140 {
 141         if (strchr(buf, ':'))
 142                 sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
 143                         &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
 144                         &macaddr[5]);
 145         else if (strchr(buf, '-'))
 146                 sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
 147                         &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
 148                         &macaddr[5]);
 149         else
 150                 pr_warn("Can not parse mac address: %s\n", buf);
 151 }
 152
 153 static void nvram_read_macaddr(const char *prefix, const char *name,
 154                                u8 val[6], bool fallback)
 155 {
 156         char buf[100];
 157         int err;
 158
 159         err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
 160         if (err < 0)
 161                 return;
 162
 163         bcm47xx_nvram_parse_macaddr(buf, val);
 164 }
 165
 166 static void nvram_read_alpha2(const char *prefix, const char *name,
 167                              char val[2], bool fallback)
 168 {
 169         char buf[10];
 170         int err;
 171
 172         err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
 173         if (err < 0)
 174                 return;
 175         if (buf[0] == '0')
 176                 return;
 177         if (strlen(buf) > 2) {
 178                 pr_warn("alpha2 is too long %s\n", buf);
 179                 return;
 180         }
 181         memcpy(val, buf, 2);
 182 }
 183
 184 static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom,
 185                                         const char *prefix, bool fallback)
 186 {
 187         nvram_read_u16(prefix, NULL, "devid", &sprom->dev_id, 0, fallback);
 188         nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff, fallback);
 189         nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff, fallback);
 190         nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff, fallback);
 191         nvram_read_u8(prefix, NULL, "ledbh3", &sprom->gpio3, 0xff, fallback);
 192         nvram_read_u8(prefix, NULL, "aa2g", &sprom->ant_available_bg, 0,
 193                       fallback);
 194         nvram_read_u8(prefix, NULL, "aa5g", &sprom->ant_available_a, 0,
 195                       fallback);
 196         nvram_read_s8(prefix, NULL, "ag0", &sprom->antenna_gain.a0, 0,
 197                       fallback);
 198         nvram_read_s8(prefix, NULL, "ag1", &sprom->antenna_gain.a1, 0,
 199                       fallback);
 200         nvram_read_alpha2(prefix, "ccode", sprom->alpha2, fallback);
 201 }
 202
 203 static void bcm47xx_fill_sprom_r12389(struct ssb_sprom *sprom,
 204                                       const char *prefix, bool fallback)
 205 {
 206         nvram_read_u16(prefix, NULL, "pa0b0", &sprom->pa0b0, 0, fallback);
 207         nvram_read_u16(prefix, NULL, "pa0b1", &sprom->pa0b1, 0, fallback);
 208         nvram_read_u16(prefix, NULL, "pa0b2", &sprom->pa0b2, 0, fallback);
 209         nvram_read_u8(prefix, NULL, "pa0itssit", &sprom->itssi_bg, 0, fallback);
 210         nvram_read_u8(prefix, NULL, "pa0maxpwr", &sprom->maxpwr_bg, 0,
 211                       fallback);
 212         nvram_read_u16(prefix, NULL, "pa1b0", &sprom->pa1b0, 0, fallback);
 213         nvram_read_u16(prefix, NULL, "pa1b1", &sprom->pa1b1, 0, fallback);
 214         nvram_read_u16(prefix, NULL, "pa1b2", &sprom->pa1b2, 0, fallback);
 215         nvram_read_u8(prefix, NULL, "pa1itssit", &sprom->itssi_a, 0, fallback);
 216         nvram_read_u8(prefix, NULL, "pa1maxpwr", &sprom->maxpwr_a, 0, fallback);
 217 }
 218
 219 static void bcm47xx_fill_sprom_r1(struct ssb_sprom *sprom, const char *prefix,
 220                                   bool fallback)
 221 {
 222         nvram_read_u16(prefix, NULL, "boardflags", &sprom->boardflags_lo, 0,
 223                        fallback);
 224         nvram_read_u8(prefix, NULL, "cc", &sprom->country_code, 0, fallback);
 225 }
 226
 227 static void bcm47xx_fill_sprom_r2389(struct ssb_sprom *sprom,
 228                                      const char *prefix, bool fallback)
 229 {
 230         nvram_read_u8(prefix, NULL, "opo", &sprom->opo, 0, fallback);
 231         nvram_read_u16(prefix, NULL, "pa1lob0", &sprom->pa1lob0, 0, fallback);
 232         nvram_read_u16(prefix, NULL, "pa1lob1", &sprom->pa1lob1, 0, fallback);
 233         nvram_read_u16(prefix, NULL, "pa1lob2", &sprom->pa1lob2, 0, fallback);
 234         nvram_read_u16(prefix, NULL, "pa1hib0", &sprom->pa1hib0, 0, fallback);
 235         nvram_read_u16(prefix, NULL, "pa1hib1", &sprom->pa1hib1, 0, fallback);
 236         nvram_read_u16(prefix, NULL, "pa1hib2", &sprom->pa1hib2, 0, fallback);
 237         nvram_read_u8(prefix, NULL, "pa1lomaxpwr", &sprom->maxpwr_al, 0,
 238                       fallback);
 239         nvram_read_u8(prefix, NULL, "pa1himaxpwr", &sprom->maxpwr_ah, 0,
 240                       fallback);
 241 }
 242
 243 static void bcm47xx_fill_sprom_r389(struct ssb_sprom *sprom, const char *prefix,
 244                                     bool fallback)
 245 {
 246         nvram_read_u8(prefix, NULL, "bxa2g", &sprom->bxa2g, 0, fallback);
 247         nvram_read_u8(prefix, NULL, "rssisav2g", &sprom->rssisav2g, 0,
 248                       fallback);
 249         nvram_read_u8(prefix, NULL, "rssismc2g", &sprom->rssismc2g, 0,
 250                       fallback);
 251         nvram_read_u8(prefix, NULL, "rssismf2g", &sprom->rssismf2g, 0,
 252                       fallback);
 253         nvram_read_u8(prefix, NULL, "bxa5g", &sprom->bxa5g, 0, fallback);
 254         nvram_read_u8(prefix, NULL, "rssisav5g", &sprom->rssisav5g, 0,
 255                       fallback);
 256         nvram_read_u8(prefix, NULL, "rssismc5g", &sprom->rssismc5g, 0,
 257                       fallback);
 258         nvram_read_u8(prefix, NULL, "rssismf5g", &sprom->rssismf5g, 0,
 259                       fallback);
 260         nvram_read_u8(prefix, NULL, "tri2g", &sprom->tri2g, 0, fallback);
 261         nvram_read_u8(prefix, NULL, "tri5g", &sprom->tri5g, 0, fallback);
 262         nvram_read_u8(prefix, NULL, "tri5gl", &sprom->tri5gl, 0, fallback);
 263         nvram_read_u8(prefix, NULL, "tri5gh", &sprom->tri5gh, 0, fallback);
 264         nvram_read_s8(prefix, NULL, "rxpo2g", &sprom->rxpo2g, 0, fallback);
 265         nvram_read_s8(prefix, NULL, "rxpo5g", &sprom->rxpo5g, 0, fallback);
 266 }
 267
 268 static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix,
 269                                   bool fallback)
 270 {
 271         nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback);
 272         nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
 273                          &sprom->leddc_off_time, fallback);
 274 }
 275
 276 static void bcm47xx_fill_sprom_r4589(struct ssb_sprom *sprom,
 277                                      const char *prefix, bool fallback)
 278 {
 279         nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback);
 280         nvram_read_s8(prefix, NULL, "ag2", &sprom->antenna_gain.a2, 0,
 281                       fallback);
 282         nvram_read_s8(prefix, NULL, "ag3", &sprom->antenna_gain.a3, 0,
 283                       fallback);
 284         nvram_read_u8(prefix, NULL, "txchain", &sprom->txchain, 0xf, fallback);
 285         nvram_read_u8(prefix, NULL, "rxchain", &sprom->rxchain, 0xf, fallback);
 286         nvram_read_u8(prefix, NULL, "antswitch", &sprom->antswitch, 0xff,
 287                       fallback);
 288         nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
 289                          &sprom->leddc_off_time, fallback);
 290 }
 291
 292 static void bcm47xx_fill_sprom_r458(struct ssb_sprom *sprom, const char *prefix,
 293                                     bool fallback)
 294 {
 295         nvram_read_u16(prefix, NULL, "cck2gpo", &sprom->cck2gpo, 0, fallback);
 296         nvram_read_u32(prefix, NULL, "ofdm2gpo", &sprom->ofdm2gpo, 0, fallback);
 297         nvram_read_u32(prefix, NULL, "ofdm5gpo", &sprom->ofdm5gpo, 0, fallback);
 298         nvram_read_u32(prefix, NULL, "ofdm5glpo", &sprom->ofdm5glpo, 0,
 299                        fallback);
 300         nvram_read_u32(prefix, NULL, "ofdm5ghpo", &sprom->ofdm5ghpo, 0,
 301                        fallback);
 302         nvram_read_u16(prefix, NULL, "cddpo", &sprom->cddpo, 0, fallback);
 303         nvram_read_u16(prefix, NULL, "stbcpo", &sprom->stbcpo, 0, fallback);
 304         nvram_read_u16(prefix, NULL, "bw40po", &sprom->bw40po, 0, fallback);
 305         nvram_read_u16(prefix, NULL, "bwduppo", &sprom->bwduppo, 0, fallback);
 306         nvram_read_u16(prefix, NULL, "mcs2gpo0", &sprom->mcs2gpo[0], 0,
 307                        fallback);
 308         nvram_read_u16(prefix, NULL, "mcs2gpo1", &sprom->mcs2gpo[1], 0,
 309                        fallback);
 310         nvram_read_u16(prefix, NULL, "mcs2gpo2", &sprom->mcs2gpo[2], 0,
 311                        fallback);
 312         nvram_read_u16(prefix, NULL, "mcs2gpo3", &sprom->mcs2gpo[3], 0,
 313                        fallback);
 314         nvram_read_u16(prefix, NULL, "mcs2gpo4", &sprom->mcs2gpo[4], 0,
 315                        fallback);
 316         nvram_read_u16(prefix, NULL, "mcs2gpo5", &sprom->mcs2gpo[5], 0,
 317                        fallback);
 318         nvram_read_u16(prefix, NULL, "mcs2gpo6", &sprom->mcs2gpo[6], 0,
 319                        fallback);
 320         nvram_read_u16(prefix, NULL, "mcs2gpo7", &sprom->mcs2gpo[7], 0,
 321                        fallback);
 322         nvram_read_u16(prefix, NULL, "mcs5gpo0", &sprom->mcs5gpo[0], 0,
 323                        fallback);
 324         nvram_read_u16(prefix, NULL, "mcs5gpo1", &sprom->mcs5gpo[1], 0,
 325                        fallback);
 326         nvram_read_u16(prefix, NULL, "mcs5gpo2", &sprom->mcs5gpo[2], 0,
 327                        fallback);
 328         nvram_read_u16(prefix, NULL, "mcs5gpo3", &sprom->mcs5gpo[3], 0,
 329                        fallback);
 330         nvram_read_u16(prefix, NULL, "mcs5gpo4", &sprom->mcs5gpo[4], 0,
 331                        fallback);
 332         nvram_read_u16(prefix, NULL, "mcs5gpo5", &sprom->mcs5gpo[5], 0,
 333                        fallback);
 334         nvram_read_u16(prefix, NULL, "mcs5gpo6", &sprom->mcs5gpo[6], 0,
 335                        fallback);
 336         nvram_read_u16(prefix, NULL, "mcs5gpo7", &sprom->mcs5gpo[7], 0,
 337                        fallback);
 338         nvram_read_u16(prefix, NULL, "mcs5glpo0", &sprom->mcs5glpo[0], 0,
 339                        fallback);
 340         nvram_read_u16(prefix, NULL, "mcs5glpo1", &sprom->mcs5glpo[1], 0,
 341                        fallback);
 342         nvram_read_u16(prefix, NULL, "mcs5glpo2", &sprom->mcs5glpo[2], 0,
 343                        fallback);
 344         nvram_read_u16(prefix, NULL, "mcs5glpo3", &sprom->mcs5glpo[3], 0,
 345                        fallback);
 346         nvram_read_u16(prefix, NULL, "mcs5glpo4", &sprom->mcs5glpo[4], 0,
 347                        fallback);
 348         nvram_read_u16(prefix, NULL, "mcs5glpo5", &sprom->mcs5glpo[5], 0,
 349                        fallback);
 350         nvram_read_u16(prefix, NULL, "mcs5glpo6", &sprom->mcs5glpo[6], 0,
 351                        fallback);
 352         nvram_read_u16(prefix, NULL, "mcs5glpo7", &sprom->mcs5glpo[7], 0,
 353                        fallback);
 354         nvram_read_u16(prefix, NULL, "mcs5ghpo0", &sprom->mcs5ghpo[0], 0,
 355                        fallback);
 356         nvram_read_u16(prefix, NULL, "mcs5ghpo1", &sprom->mcs5ghpo[1], 0,
 357                        fallback);
 358         nvram_read_u16(prefix, NULL, "mcs5ghpo2", &sprom->mcs5ghpo[2], 0,
 359                        fallback);
 360         nvram_read_u16(prefix, NULL, "mcs5ghpo3", &sprom->mcs5ghpo[3], 0,
 361                        fallback);
 362         nvram_read_u16(prefix, NULL, "mcs5ghpo4", &sprom->mcs5ghpo[4], 0,
 363                        fallback);
 364         nvram_read_u16(prefix, NULL, "mcs5ghpo5", &sprom->mcs5ghpo[5], 0,
 365                        fallback);
 366         nvram_read_u16(prefix, NULL, "mcs5ghpo6", &sprom->mcs5ghpo[6], 0,
 367                        fallback);
 368         nvram_read_u16(prefix, NULL, "mcs5ghpo7", &sprom->mcs5ghpo[7], 0,
 369                        fallback);
 370 }
 371
 372 static void bcm47xx_fill_sprom_r45(struct ssb_sprom *sprom, const char *prefix,
 373                                    bool fallback)
 374 {
 375         nvram_read_u8(prefix, NULL, "txpid2ga0", &sprom->txpid2g[0], 0,
 376                       fallback);
 377         nvram_read_u8(prefix, NULL, "txpid2ga1", &sprom->txpid2g[1], 0,
 378                       fallback);
 379         nvram_read_u8(prefix, NULL, "txpid2ga2", &sprom->txpid2g[2], 0,
 380                       fallback);
 381         nvram_read_u8(prefix, NULL, "txpid2ga3", &sprom->txpid2g[3], 0,
 382                       fallback);
 383         nvram_read_u8(prefix, NULL, "txpid5ga0", &sprom->txpid5g[0], 0,
 384                       fallback);
 385         nvram_read_u8(prefix, NULL, "txpid5ga1", &sprom->txpid5g[1], 0,
 386                       fallback);
 387         nvram_read_u8(prefix, NULL, "txpid5ga2", &sprom->txpid5g[2], 0,
 388                       fallback);
 389         nvram_read_u8(prefix, NULL, "txpid5ga3", &sprom->txpid5g[3], 0,
 390                       fallback);
 391         nvram_read_u8(prefix, NULL, "txpid5gla0", &sprom->txpid5gl[0], 0,
 392                       fallback);
 393         nvram_read_u8(prefix, NULL, "txpid5gla1", &sprom->txpid5gl[1], 0,
 394                       fallback);
 395         nvram_read_u8(prefix, NULL, "txpid5gla2", &sprom->txpid5gl[2], 0,
 396                       fallback);
 397         nvram_read_u8(prefix, NULL, "txpid5gla3", &sprom->txpid5gl[3], 0,
 398                       fallback);
 399         nvram_read_u8(prefix, NULL, "txpid5gha0", &sprom->txpid5gh[0], 0,
 400                       fallback);
 401         nvram_read_u8(prefix, NULL, "txpid5gha1", &sprom->txpid5gh[1], 0,
 402                       fallback);
 403         nvram_read_u8(prefix, NULL, "txpid5gha2", &sprom->txpid5gh[2], 0,
 404                       fallback);
 405         nvram_read_u8(prefix, NULL, "txpid5gha3", &sprom->txpid5gh[3], 0,
 406                       fallback);
 407 }
 408
 409 static void bcm47xx_fill_sprom_r89(struct ssb_sprom *sprom, const char *prefix,
 410                                    bool fallback)
 411 {
 412         nvram_read_u8(prefix, NULL, "tssipos2g", &sprom->fem.ghz2.tssipos, 0,
 413                       fallback);
 414         nvram_read_u8(prefix, NULL, "extpagain2g",
 415                       &sprom->fem.ghz2.extpa_gain, 0, fallback);
 416         nvram_read_u8(prefix, NULL, "pdetrange2g",
 417                       &sprom->fem.ghz2.pdet_range, 0, fallback);
 418         nvram_read_u8(prefix, NULL, "triso2g", &sprom->fem.ghz2.tr_iso, 0,
 419                       fallback);
 420         nvram_read_u8(prefix, NULL, "antswctl2g", &sprom->fem.ghz2.antswlut, 0,
 421                       fallback);
 422         nvram_read_u8(prefix, NULL, "tssipos5g", &sprom->fem.ghz5.tssipos, 0,
 423                       fallback);
 424         nvram_read_u8(prefix, NULL, "extpagain5g",
 425                       &sprom->fem.ghz5.extpa_gain, 0, fallback);
 426         nvram_read_u8(prefix, NULL, "pdetrange5g",
 427                       &sprom->fem.ghz5.pdet_range, 0, fallback);
 428         nvram_read_u8(prefix, NULL, "triso5g", &sprom->fem.ghz5.tr_iso, 0,
 429                       fallback);
 430         nvram_read_u8(prefix, NULL, "antswctl5g", &sprom->fem.ghz5.antswlut, 0,
 431                       fallback);
 432         nvram_read_u8(prefix, NULL, "tempthresh", &sprom->tempthresh, 0,
 433                       fallback);
 434         nvram_read_u8(prefix, NULL, "tempoffset", &sprom->tempoffset, 0,
 435                       fallback);
 436         nvram_read_u16(prefix, NULL, "rawtempsense", &sprom->rawtempsense, 0,
 437                        fallback);
 438         nvram_read_u8(prefix, NULL, "measpower", &sprom->measpower, 0,
 439                       fallback);
 440         nvram_read_u8(prefix, NULL, "tempsense_slope",
 441                       &sprom->tempsense_slope, 0, fallback);
 442         nvram_read_u8(prefix, NULL, "tempcorrx", &sprom->tempcorrx, 0,
 443                        fallback);
 444         nvram_read_u8(prefix, NULL, "tempsense_option",
 445                       &sprom->tempsense_option, 0, fallback);
 446         nvram_read_u8(prefix, NULL, "freqoffset_corr",
 447                       &sprom->freqoffset_corr, 0, fallback);
 448         nvram_read_u8(prefix, NULL, "iqcal_swp_dis", &sprom->iqcal_swp_dis, 0,
 449                       fallback);
 450         nvram_read_u8(prefix, NULL, "hw_iqcal_en", &sprom->hw_iqcal_en, 0,
 451                       fallback);
 452         nvram_read_u8(prefix, NULL, "elna2g", &sprom->elna2g, 0, fallback);
 453         nvram_read_u8(prefix, NULL, "elna5g", &sprom->elna5g, 0, fallback);
 454         nvram_read_u8(prefix, NULL, "phycal_tempdelta",
 455                       &sprom->phycal_tempdelta, 0, fallback);
 456         nvram_read_u8(prefix, NULL, "temps_period", &sprom->temps_period, 0,
 457                       fallback);
 458         nvram_read_u8(prefix, NULL, "temps_hysteresis",
 459                       &sprom->temps_hysteresis, 0, fallback);
 460         nvram_read_u8(prefix, NULL, "measpower1", &sprom->measpower1, 0,
 461                       fallback);
 462         nvram_read_u8(prefix, NULL, "measpower2", &sprom->measpower2, 0,
 463                       fallback);
 464         nvram_read_u8(prefix, NULL, "rxgainerr2ga0",
 465                       &sprom->rxgainerr2ga[0], 0, fallback);
 466         nvram_read_u8(prefix, NULL, "rxgainerr2ga1",
 467                       &sprom->rxgainerr2ga[1], 0, fallback);
 468         nvram_read_u8(prefix, NULL, "rxgainerr2ga2",
 469                       &sprom->rxgainerr2ga[2], 0, fallback);
 470         nvram_read_u8(prefix, NULL, "rxgainerr5gla0",
 471                       &sprom->rxgainerr5gla[0], 0, fallback);
 472         nvram_read_u8(prefix, NULL, "rxgainerr5gla1",
 473                       &sprom->rxgainerr5gla[1], 0, fallback);
 474         nvram_read_u8(prefix, NULL, "rxgainerr5gla2",
 475                       &sprom->rxgainerr5gla[2], 0, fallback);
 476         nvram_read_u8(prefix, NULL, "rxgainerr5gma0",
 477                       &sprom->rxgainerr5gma[0], 0, fallback);
 478         nvram_read_u8(prefix, NULL, "rxgainerr5gma1",
 479                       &sprom->rxgainerr5gma[1], 0, fallback);
 480         nvram_read_u8(prefix, NULL, "rxgainerr5gma2",
 481                       &sprom->rxgainerr5gma[2], 0, fallback);
 482         nvram_read_u8(prefix, NULL, "rxgainerr5gha0",
 483                       &sprom->rxgainerr5gha[0], 0, fallback);
 484         nvram_read_u8(prefix, NULL, "rxgainerr5gha1",
 485                       &sprom->rxgainerr5gha[1], 0, fallback);
 486         nvram_read_u8(prefix, NULL, "rxgainerr5gha2",
 487                       &sprom->rxgainerr5gha[2], 0, fallback);
 488         nvram_read_u8(prefix, NULL, "rxgainerr5gua0",
 489                       &sprom->rxgainerr5gua[0], 0, fallback);
 490         nvram_read_u8(prefix, NULL, "rxgainerr5gua1",
 491                       &sprom->rxgainerr5gua[1], 0, fallback);
 492         nvram_read_u8(prefix, NULL, "rxgainerr5gua2",
 493                       &sprom->rxgainerr5gua[2], 0, fallback);
 494         nvram_read_u8(prefix, NULL, "noiselvl2ga0", &sprom->noiselvl2ga[0], 0,
 495                       fallback);
 496         nvram_read_u8(prefix, NULL, "noiselvl2ga1", &sprom->noiselvl2ga[1], 0,
 497                       fallback);
 498         nvram_read_u8(prefix, NULL, "noiselvl2ga2", &sprom->noiselvl2ga[2], 0,
 499                       fallback);
 500         nvram_read_u8(prefix, NULL, "noiselvl5gla0",
 501                       &sprom->noiselvl5gla[0], 0, fallback);
 502         nvram_read_u8(prefix, NULL, "noiselvl5gla1",
 503                       &sprom->noiselvl5gla[1], 0, fallback);
 504         nvram_read_u8(prefix, NULL, "noiselvl5gla2",
 505                       &sprom->noiselvl5gla[2], 0, fallback);
 506         nvram_read_u8(prefix, NULL, "noiselvl5gma0",
 507                       &sprom->noiselvl5gma[0], 0, fallback);
 508         nvram_read_u8(prefix, NULL, "noiselvl5gma1",
 509                       &sprom->noiselvl5gma[1], 0, fallback);
 510         nvram_read_u8(prefix, NULL, "noiselvl5gma2",
 511                       &sprom->noiselvl5gma[2], 0, fallback);
 512         nvram_read_u8(prefix, NULL, "noiselvl5gha0",
 513                       &sprom->noiselvl5gha[0], 0, fallback);
 514         nvram_read_u8(prefix, NULL, "noiselvl5gha1",
 515                       &sprom->noiselvl5gha[1], 0, fallback);
 516         nvram_read_u8(prefix, NULL, "noiselvl5gha2",
 517                       &sprom->noiselvl5gha[2], 0, fallback);
 518         nvram_read_u8(prefix, NULL, "noiselvl5gua0",
 519                       &sprom->noiselvl5gua[0], 0, fallback);
 520         nvram_read_u8(prefix, NULL, "noiselvl5gua1",
 521                       &sprom->noiselvl5gua[1], 0, fallback);
 522         nvram_read_u8(prefix, NULL, "noiselvl5gua2",
 523                       &sprom->noiselvl5gua[2], 0, fallback);
 524         nvram_read_u8(prefix, NULL, "pcieingress_war",
 525                       &sprom->pcieingress_war, 0, fallback);
 526 }
 527
 528 static void bcm47xx_fill_sprom_r9(struct ssb_sprom *sprom, const char *prefix,
 529                                   bool fallback)
 530 {
 531         nvram_read_u16(prefix, NULL, "cckbw202gpo", &sprom->cckbw202gpo, 0,
 532                        fallback);
 533         nvram_read_u16(prefix, NULL, "cckbw20ul2gpo", &sprom->cckbw20ul2gpo, 0,
 534                        fallback);
 535         nvram_read_u32(prefix, NULL, "legofdmbw202gpo",
 536                        &sprom->legofdmbw202gpo, 0, fallback);
 537         nvram_read_u32(prefix, NULL, "legofdmbw20ul2gpo",
 538                        &sprom->legofdmbw20ul2gpo, 0, fallback);
 539         nvram_read_u32(prefix, NULL, "legofdmbw205glpo",
 540                        &sprom->legofdmbw205glpo, 0, fallback);
 541         nvram_read_u32(prefix, NULL, "legofdmbw20ul5glpo",
 542                        &sprom->legofdmbw20ul5glpo, 0, fallback);
 543         nvram_read_u32(prefix, NULL, "legofdmbw205gmpo",
 544                        &sprom->legofdmbw205gmpo, 0, fallback);
 545         nvram_read_u32(prefix, NULL, "legofdmbw20ul5gmpo",
 546                        &sprom->legofdmbw20ul5gmpo, 0, fallback);
 547         nvram_read_u32(prefix, NULL, "legofdmbw205ghpo",
 548                        &sprom->legofdmbw205ghpo, 0, fallback);
 549         nvram_read_u32(prefix, NULL, "legofdmbw20ul5ghpo",
 550                        &sprom->legofdmbw20ul5ghpo, 0, fallback);
 551         nvram_read_u32(prefix, NULL, "mcsbw202gpo", &sprom->mcsbw202gpo, 0,
 552                        fallback);
 553         nvram_read_u32(prefix, NULL, "mcsbw20ul2gpo", &sprom->mcsbw20ul2gpo, 0,
 554                        fallback);
 555         nvram_read_u32(prefix, NULL, "mcsbw402gpo", &sprom->mcsbw402gpo, 0,
 556                        fallback);
 557         nvram_read_u32(prefix, NULL, "mcsbw205glpo", &sprom->mcsbw205glpo, 0,
 558                        fallback);
 559         nvram_read_u32(prefix, NULL, "mcsbw20ul5glpo",
 560                        &sprom->mcsbw20ul5glpo, 0, fallback);
 561         nvram_read_u32(prefix, NULL, "mcsbw405glpo", &sprom->mcsbw405glpo, 0,
 562                        fallback);
 563         nvram_read_u32(prefix, NULL, "mcsbw205gmpo", &sprom->mcsbw205gmpo, 0,
 564                        fallback);
 565         nvram_read_u32(prefix, NULL, "mcsbw20ul5gmpo",
 566                        &sprom->mcsbw20ul5gmpo, 0, fallback);
 567         nvram_read_u32(prefix, NULL, "mcsbw405gmpo", &sprom->mcsbw405gmpo, 0,
 568                        fallback);
 569         nvram_read_u32(prefix, NULL, "mcsbw205ghpo", &sprom->mcsbw205ghpo, 0,
 570                        fallback);
 571         nvram_read_u32(prefix, NULL, "mcsbw20ul5ghpo",
 572                        &sprom->mcsbw20ul5ghpo, 0, fallback);
 573         nvram_read_u32(prefix, NULL, "mcsbw405ghpo", &sprom->mcsbw405ghpo, 0,
 574                        fallback);
 575         nvram_read_u16(prefix, NULL, "mcs32po", &sprom->mcs32po, 0, fallback);
 576         nvram_read_u16(prefix, NULL, "legofdm40duppo",
 577                        &sprom->legofdm40duppo, 0, fallback);
 578         nvram_read_u8(prefix, NULL, "sar2g", &sprom->sar2g, 0, fallback);
 579         nvram_read_u8(prefix, NULL, "sar5g", &sprom->sar5g, 0, fallback);
 580 }
 581
 582 static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom,
 583                                           const char *prefix, bool fallback)
 584 {
 585         char postfix[2];
 586         int i;
 587
 588         for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) {
 589                 struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i];
 590                 snprintf(postfix, sizeof(postfix), "%i", i);
 591                 nvram_read_u8(prefix, postfix, "maxp2ga",
 592                               &pwr_info->maxpwr_2g, 0, fallback);
 593                 nvram_read_u8(prefix, postfix, "itt2ga",
 594                               &pwr_info->itssi_2g, 0, fallback);
 595                 nvram_read_u8(prefix, postfix, "itt5ga",
 596                               &pwr_info->itssi_5g, 0, fallback);
 597                 nvram_read_u16(prefix, postfix, "pa2gw0a",
 598                                &pwr_info->pa_2g[0], 0, fallback);
 599                 nvram_read_u16(prefix, postfix, "pa2gw1a",
 600                                &pwr_info->pa_2g[1], 0, fallback);
 601                 nvram_read_u16(prefix, postfix, "pa2gw2a",
 602                                &pwr_info->pa_2g[2], 0, fallback);
 603                 nvram_read_u8(prefix, postfix, "maxp5ga",
 604                               &pwr_info->maxpwr_5g, 0, fallback);
 605                 nvram_read_u8(prefix, postfix, "maxp5gha",
 606                               &pwr_info->maxpwr_5gh, 0, fallback);
 607                 nvram_read_u8(prefix, postfix, "maxp5gla",
 608                               &pwr_info->maxpwr_5gl, 0, fallback);
 609                 nvram_read_u16(prefix, postfix, "pa5gw0a",
 610                                &pwr_info->pa_5g[0], 0, fallback);
 611                 nvram_read_u16(prefix, postfix, "pa5gw1a",
 612                                &pwr_info->pa_5g[1], 0, fallback);
 613                 nvram_read_u16(prefix, postfix, "pa5gw2a",
 614                                &pwr_info->pa_5g[2], 0, fallback);
 615                 nvram_read_u16(prefix, postfix, "pa5glw0a",
 616                                &pwr_info->pa_5gl[0], 0, fallback);
 617                 nvram_read_u16(prefix, postfix, "pa5glw1a",
 618                                &pwr_info->pa_5gl[1], 0, fallback);
 619                 nvram_read_u16(prefix, postfix, "pa5glw2a",
 620                                &pwr_info->pa_5gl[2], 0, fallback);
 621                 nvram_read_u16(prefix, postfix, "pa5ghw0a",
 622                                &pwr_info->pa_5gh[0], 0, fallback);
 623                 nvram_read_u16(prefix, postfix, "pa5ghw1a",
 624                                &pwr_info->pa_5gh[1], 0, fallback);
 625                 nvram_read_u16(prefix, postfix, "pa5ghw2a",
 626                                &pwr_info->pa_5gh[2], 0, fallback);
 627         }
 628 }
 629
 630 static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom,
 631                                         const char *prefix, bool fallback)
 632 {
 633         char postfix[2];
 634         int i;
 635
 636         for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) {
 637                 struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i];
 638                 snprintf(postfix, sizeof(postfix), "%i", i);
 639                 nvram_read_u16(prefix, postfix, "pa2gw3a",
 640                                &pwr_info->pa_2g[3], 0, fallback);
 641                 nvram_read_u16(prefix, postfix, "pa5gw3a",
 642                                &pwr_info->pa_5g[3], 0, fallback);
 643                 nvram_read_u16(prefix, postfix, "pa5glw3a",
 644                                &pwr_info->pa_5gl[3], 0, fallback);
 645                 nvram_read_u16(prefix, postfix, "pa5ghw3a",
 646                                &pwr_info->pa_5gh[3], 0, fallback);
 647         }
 648 }
 649
 650 static bool bcm47xx_is_valid_mac(u8 *mac)
 651 {
 652         return mac && !(mac[0] == 0x00 && mac[1] == 0x90 && mac[2] == 0x4c);
 653 }
 654
 655 static int bcm47xx_increase_mac_addr(u8 *mac, u8 num)
 656 {
 657         u8 *oui = mac + ETH_ALEN/2 - 1;
 658         u8 *p = mac + ETH_ALEN - 1;
 659
 660         do {
 661                 (*p) += num;
 662                 if (*p > num)
 663                         break;
 664                 p--;
 665                 num = 1;
 666         } while (p != oui);
 667
 668         if (p == oui) {
 669                 pr_err("unable to fetch mac address\n");
 670                 return -ENOENT;
 671         }
 672         return 0;
 673 }
 674
 675 static int mac_addr_used = 2;
 676
 677 static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom,
 678                                         const char *prefix, bool fallback)
 679 {
 680         nvram_read_macaddr(prefix, "et0macaddr", sprom->et0mac, fallback);
 681         nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0,
 682                       fallback);
 683         nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0,
 684                       fallback);
 685
 686         nvram_read_macaddr(prefix, "et1macaddr", sprom->et1mac, fallback);
 687         nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0,
 688                       fallback);
 689         nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0,
 690                       fallback);
 691
 692         nvram_read_macaddr(prefix, "macaddr", sprom->il0mac, fallback);
 693         nvram_read_macaddr(prefix, "il0macaddr", sprom->il0mac, fallback);
 694
 695         /* The address prefix 00:90:4C is used by Broadcom in their initial
 696            configuration. When a mac address with the prefix 00:90:4C is used
 697            all devices from the same series are sharing the same mac address.
 698            To prevent mac address collisions we replace them with a mac address
 699            based on the base address. */
 700         if (!bcm47xx_is_valid_mac(sprom->il0mac)) {
 701                 u8 mac[6];
 702
 703                 nvram_read_macaddr(NULL, "et0macaddr", mac, false);
 704                 if (bcm47xx_is_valid_mac(mac)) {
 705                         int err = bcm47xx_increase_mac_addr(mac, mac_addr_used);
 706
 707                         if (!err) {
 708                                 ether_addr_copy(sprom->il0mac, mac);
 709                                 mac_addr_used++;
 710                         }
 711                 }
 712         }
 713 }
 714
 715 static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix,
 716                                     bool fallback)
 717 {
 718         nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0, true);
 719         nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0,
 720                        fallback);
 721         nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0, true);
 722         nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo,
 723                          &sprom->boardflags_hi, fallback);
 724         nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo,
 725                          &sprom->boardflags2_hi, fallback);
 726 }
 727
 728 void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
 729                         bool fallback)
 730 {
 731         bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback);
 732         bcm47xx_fill_board_data(sprom, prefix, fallback);
 733
 734         nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback);
 735
 736         switch (sprom->revision) {
 737         case 1:
 738                 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
 739                 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
 740                 bcm47xx_fill_sprom_r1(sprom, prefix, fallback);
 741                 break;
 742         case 2:
 743                 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
 744                 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
 745                 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
 746                 break;
 747         case 3:
 748                 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
 749                 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
 750                 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
 751                 bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
 752                 bcm47xx_fill_sprom_r3(sprom, prefix, fallback);
 753                 break;
 754         case 4:
 755         case 5:
 756                 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
 757                 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
 758                 bcm47xx_fill_sprom_r458(sprom, prefix, fallback);
 759                 bcm47xx_fill_sprom_r45(sprom, prefix, fallback);
 760                 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
 761                 bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback);
 762                 break;
 763         case 8:
 764                 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
 765                 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
 766                 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
 767                 bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
 768                 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
 769                 bcm47xx_fill_sprom_r458(sprom, prefix, fallback);
 770                 bcm47xx_fill_sprom_r89(sprom, prefix, fallback);
 771                 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
 772                 break;
 773         case 9:
 774                 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
 775                 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
 776                 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
 777                 bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
 778                 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
 779                 bcm47xx_fill_sprom_r89(sprom, prefix, fallback);
 780                 bcm47xx_fill_sprom_r9(sprom, prefix, fallback);
 781                 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
 782                 break;
 783         default:
 784                 pr_warn("Unsupported SPROM revision %d detected. Will extract"
 785                         " v1\n", sprom->revision);
 786                 sprom->revision = 1;
 787                 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
 788                 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
 789                 bcm47xx_fill_sprom_r1(sprom, prefix, fallback);
 790         }
 791 }
 792
 793 #ifdef CONFIG_BCM47XX_SSB
 794 void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo,
 795                                 const char *prefix)
 796 {
 797         nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0,
 798                        true);
 799         if (!boardinfo->vendor)
 800                 boardinfo->vendor = SSB_BOARDVENDOR_BCM;
 801
 802         nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true);
 803 }
 804 #endif
 805
 806 #ifdef CONFIG_BCM47XX_BCMA
 807 void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
 808                                  const char *prefix)
 809 {
 810         nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0,
 811                        true);
 812         if (!boardinfo->vendor)
 813                 boardinfo->vendor = SSB_BOARDVENDOR_BCM;
 814
 815         nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true);
 816 }
 817 #endif
 818
 819 #if defined(CONFIG_BCM47XX_SSB)
 820 static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
 821 {
 822         char prefix[10];
 823
 824         if (bus->bustype == SSB_BUSTYPE_PCI) {
 825                 memset(out, 0, sizeof(struct ssb_sprom));
 826                 snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
 827                          bus->host_pci->bus->number + 1,
 828                          PCI_SLOT(bus->host_pci->devfn));
 829                 bcm47xx_fill_sprom(out, prefix, false);
 830                 return 0;
 831         } else {
 832                 pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
 833                 return -EINVAL;
 834         }
 835 }
 836 #endif
 837
 838 #if defined(CONFIG_BCM47XX_BCMA)
 839 static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
 840 {
 841         char prefix[10];
 842         struct bcma_device *core;
 843
 844         switch (bus->hosttype) {
 845         case BCMA_HOSTTYPE_PCI:
 846                 memset(out, 0, sizeof(struct ssb_sprom));
 847                 snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
 848                          bus->host_pci->bus->number + 1,
 849                          PCI_SLOT(bus->host_pci->devfn));
 850                 bcm47xx_fill_sprom(out, prefix, false);
 851                 return 0;
 852         case BCMA_HOSTTYPE_SOC:
 853                 memset(out, 0, sizeof(struct ssb_sprom));
 854                 core = bcma_find_core(bus, BCMA_CORE_80211);
 855                 if (core) {
 856                         snprintf(prefix, sizeof(prefix), "sb/%u/",
 857                                  core->core_index);
 858                         bcm47xx_fill_sprom(out, prefix, true);
 859                 } else {
 860                         bcm47xx_fill_sprom(out, NULL, false);
 861                 }
 862                 return 0;
 863         default:
 864                 pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
 865                 return -EINVAL;
 866         }
 867 }
 868 #endif
 869
 870 /*
 871  * On bcm47xx we need to register SPROM fallback handler very early, so we can't
 872  * use anything like platform device / driver for this.
 873  */
 874 void bcm47xx_sprom_register_fallbacks(void)
 875 {
 876 #if defined(CONFIG_BCM47XX_SSB)
 877         if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb))
 878                 pr_warn("Failed to registered ssb SPROM handler\n");
 879 #endif
 880
 881 #if defined(CONFIG_BCM47XX_BCMA)
 882         if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma))
 883                 pr_warn("Failed to registered bcma SPROM handler\n");
 884 #endif
 885 }