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 <linux/if_ether.h> 31#include <linux/etherdevice.h> 32 33static void create_key(const char *prefix, const char *postfix, 34 const char *name, char *buf, int len) 35{ 36 if (prefix && postfix) 37 snprintf(buf, len, "%s%s%s", prefix, name, postfix); 38 else if (prefix) 39 snprintf(buf, len, "%s%s", prefix, name); 40 else if (postfix) 41 snprintf(buf, len, "%s%s", name, postfix); 42 else 43 snprintf(buf, len, "%s", name); 44} 45 46static int get_nvram_var(const char *prefix, const char *postfix, 47 const char *name, char *buf, int len, bool fallback) 48{ 49 char key[40]; 50 int err; 51 52 create_key(prefix, postfix, name, key, sizeof(key)); 53 54 err = bcm47xx_nvram_getenv(key, buf, len); 55 if (fallback && err == -ENOENT && prefix) { 56 create_key(NULL, postfix, name, key, sizeof(key)); 57 err = bcm47xx_nvram_getenv(key, buf, len); 58 } 59 return err; 60} 61 62#define NVRAM_READ_VAL(type) \ 63static void nvram_read_ ## type (const char *prefix, \ 64 const char *postfix, const char *name, \ 65 type *val, type allset, bool fallback) \ 66{ \ 67 char buf[100]; \ 68 int err; \ 69 type var; \ 70 \ 71 err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf), \ 72 fallback); \ 73 if (err < 0) \ 74 return; \ 75 err = kstrto ## type(strim(buf), 0, &var); \ 76 if (err) { \ 77 pr_warn("can not parse nvram name %s%s%s with value %s got %i\n", \ 78 prefix, name, postfix, buf, err); \ 79 return; \ 80 } \ 81 if (allset && var == allset) \ 82 return; \ 83 *val = var; \ 84} 85 86NVRAM_READ_VAL(u8) 87NVRAM_READ_VAL(s8) 88NVRAM_READ_VAL(u16) 89NVRAM_READ_VAL(u32) 90 91#undef NVRAM_READ_VAL 92 93static void nvram_read_u32_2(const char *prefix, const char *name, 94 u16 *val_lo, u16 *val_hi, bool fallback) 95{ 96 char buf[100]; 97 int err; 98 u32 val; 99 100 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 101 if (err < 0) 102 return; 103 err = kstrtou32(strim(buf), 0, &val); 104 if (err) { 105 pr_warn("can not parse nvram name %s%s with value %s got %i\n", 106 prefix, name, buf, err); 107 return; 108 } 109 *val_lo = (val & 0x0000FFFFU); 110 *val_hi = (val & 0xFFFF0000U) >> 16; 111} 112 113static void nvram_read_leddc(const char *prefix, const char *name, 114 u8 *leddc_on_time, u8 *leddc_off_time, 115 bool fallback) 116{ 117 char buf[100]; 118 int err; 119 u32 val; 120 121 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 122 if (err < 0) 123 return; 124 err = kstrtou32(strim(buf), 0, &val); 125 if (err) { 126 pr_warn("can not parse nvram name %s%s with value %s got %i\n", 127 prefix, name, buf, err); 128 return; 129 } 130 131 if (val == 0xffff || val == 0xffffffff) 132 return; 133 134 *leddc_on_time = val & 0xff; 135 *leddc_off_time = (val >> 16) & 0xff; 136} 137 138static void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6]) 139{ 140 if (strchr(buf, ':')) 141 sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], 142 &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], 143 &macaddr[5]); 144 else if (strchr(buf, '-')) 145 sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0], 146 &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], 147 &macaddr[5]); 148 else 149 pr_warn("Can not parse mac address: %s\n", buf); 150} 151 152static void nvram_read_macaddr(const char *prefix, const char *name, 153 u8 val[6], bool fallback) 154{ 155 char buf[100]; 156 int err; 157 158 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 159 if (err < 0) 160 return; 161 162 bcm47xx_nvram_parse_macaddr(buf, val); 163} 164 165static void nvram_read_alpha2(const char *prefix, const char *name, 166 char val[2], bool fallback) 167{ 168 char buf[10]; 169 int err; 170 171 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 172 if (err < 0) 173 return; 174 if (buf[0] == '0') 175 return; 176 if (strlen(buf) > 2) { 177 pr_warn("alpha2 is too long %s\n", buf); 178 return; 179 } 180 memcpy(val, buf, 2); 181} 182 183/* This is one-function-only macro, it uses local "sprom" variable! */ 184#define ENTRY(_revmask, _type, _prefix, _name, _val, _allset, _fallback) \ 185 if (_revmask & BIT(sprom->revision)) \ 186 nvram_read_ ## _type(_prefix, NULL, _name, &sprom->_val, \ 187 _allset, _fallback) 188/* 189 * Special version of filling function that can be safely called for any SPROM 190 * revision. For every NVRAM to SPROM mapping it contains bitmask of revisions 191 * for which the mapping is valid. 192 * It obviously requires some hexadecimal/bitmasks knowledge, but allows 193 * writing cleaner code (easy revisions handling). 194 * Note that while SPROM revision 0 was never used, we still keep BIT(0) 195 * reserved for it, just to keep numbering sane. 196 */ 197static void bcm47xx_sprom_fill_auto(struct ssb_sprom *sprom, 198 const char *prefix, bool fallback) 199{ 200 const char *pre = prefix; 201 bool fb = fallback; 202 203 ENTRY(0xfffffffe, u16, pre, "boardrev", board_rev, 0, true); 204 ENTRY(0x00000002, u16, pre, "boardflags", boardflags_lo, 0, fb); 205 ENTRY(0xfffffffc, u16, pre, "boardtype", board_type, 0, true); 206 ENTRY(0xfffffffe, u16, pre, "boardnum", board_num, 0, fb); 207 ENTRY(0x00000002, u8, pre, "cc", country_code, 0, fb); 208 ENTRY(0xfffffff8, u8, pre, "regrev", regrev, 0, fb); 209 210 ENTRY(0xfffffffe, u8, pre, "ledbh0", gpio0, 0xff, fb); 211 ENTRY(0xfffffffe, u8, pre, "ledbh1", gpio1, 0xff, fb); 212 ENTRY(0xfffffffe, u8, pre, "ledbh2", gpio2, 0xff, fb); 213 ENTRY(0xfffffffe, u8, pre, "ledbh3", gpio3, 0xff, fb); 214 215 ENTRY(0x0000070e, u16, pre, "pa0b0", pa0b0, 0, fb); 216 ENTRY(0x0000070e, u16, pre, "pa0b1", pa0b1, 0, fb); 217 ENTRY(0x0000070e, u16, pre, "pa0b2", pa0b2, 0, fb); 218 ENTRY(0x0000070e, u8, pre, "pa0itssit", itssi_bg, 0, fb); 219 ENTRY(0x0000070e, u8, pre, "pa0maxpwr", maxpwr_bg, 0, fb); 220 221 ENTRY(0x0000070c, u8, pre, "opo", opo, 0, fb); 222 ENTRY(0xfffffffe, u8, pre, "aa2g", ant_available_bg, 0, fb); 223 ENTRY(0xfffffffe, u8, pre, "aa5g", ant_available_a, 0, fb); 224 ENTRY(0x000007fe, s8, pre, "ag0", antenna_gain.a0, 0, fb); 225 ENTRY(0x000007fe, s8, pre, "ag1", antenna_gain.a1, 0, fb); 226 ENTRY(0x000007f0, s8, pre, "ag2", antenna_gain.a2, 0, fb); 227 ENTRY(0x000007f0, s8, pre, "ag3", antenna_gain.a3, 0, fb); 228 229 ENTRY(0x0000070e, u16, pre, "pa1b0", pa1b0, 0, fb); 230 ENTRY(0x0000070e, u16, pre, "pa1b1", pa1b1, 0, fb); 231 ENTRY(0x0000070e, u16, pre, "pa1b2", pa1b2, 0, fb); 232 ENTRY(0x0000070c, u16, pre, "pa1lob0", pa1lob0, 0, fb); 233 ENTRY(0x0000070c, u16, pre, "pa1lob1", pa1lob1, 0, fb); 234 ENTRY(0x0000070c, u16, pre, "pa1lob2", pa1lob2, 0, fb); 235 ENTRY(0x0000070c, u16, pre, "pa1hib0", pa1hib0, 0, fb); 236 ENTRY(0x0000070c, u16, pre, "pa1hib1", pa1hib1, 0, fb); 237 ENTRY(0x0000070c, u16, pre, "pa1hib2", pa1hib2, 0, fb); 238 ENTRY(0x0000070e, u8, pre, "pa1itssit", itssi_a, 0, fb); 239 ENTRY(0x0000070e, u8, pre, "pa1maxpwr", maxpwr_a, 0, fb); 240 ENTRY(0x0000070c, u8, pre, "pa1lomaxpwr", maxpwr_al, 0, fb); 241 ENTRY(0x0000070c, u8, pre, "pa1himaxpwr", maxpwr_ah, 0, fb); 242 243 ENTRY(0x00000708, u8, pre, "bxa2g", bxa2g, 0, fb); 244 ENTRY(0x00000708, u8, pre, "rssisav2g", rssisav2g, 0, fb); 245 ENTRY(0x00000708, u8, pre, "rssismc2g", rssismc2g, 0, fb); 246 ENTRY(0x00000708, u8, pre, "rssismf2g", rssismf2g, 0, fb); 247 ENTRY(0x00000708, u8, pre, "bxa5g", bxa5g, 0, fb); 248 ENTRY(0x00000708, u8, pre, "rssisav5g", rssisav5g, 0, fb); 249 ENTRY(0x00000708, u8, pre, "rssismc5g", rssismc5g, 0, fb); 250 ENTRY(0x00000708, u8, pre, "rssismf5g", rssismf5g, 0, fb); 251 ENTRY(0x00000708, u8, pre, "tri2g", tri2g, 0, fb); 252 ENTRY(0x00000708, u8, pre, "tri5g", tri5g, 0, fb); 253 ENTRY(0x00000708, u8, pre, "tri5gl", tri5gl, 0, fb); 254 ENTRY(0x00000708, u8, pre, "tri5gh", tri5gh, 0, fb); 255 ENTRY(0x00000708, s8, pre, "rxpo2g", rxpo2g, 0, fb); 256 ENTRY(0x00000708, s8, pre, "rxpo5g", rxpo5g, 0, fb); 257 ENTRY(0xfffffff0, u8, pre, "txchain", txchain, 0xf, fb); 258 ENTRY(0xfffffff0, u8, pre, "rxchain", rxchain, 0xf, fb); 259 ENTRY(0xfffffff0, u8, pre, "antswitch", antswitch, 0xff, fb); 260 ENTRY(0x00000700, u8, pre, "tssipos2g", fem.ghz2.tssipos, 0, fb); 261 ENTRY(0x00000700, u8, pre, "extpagain2g", fem.ghz2.extpa_gain, 0, fb); 262 ENTRY(0x00000700, u8, pre, "pdetrange2g", fem.ghz2.pdet_range, 0, fb); 263 ENTRY(0x00000700, u8, pre, "triso2g", fem.ghz2.tr_iso, 0, fb); 264 ENTRY(0x00000700, u8, pre, "antswctl2g", fem.ghz2.antswlut, 0, fb); 265 ENTRY(0x00000700, u8, pre, "tssipos5g", fem.ghz5.tssipos, 0, fb); 266 ENTRY(0x00000700, u8, pre, "extpagain5g", fem.ghz5.extpa_gain, 0, fb); 267 ENTRY(0x00000700, u8, pre, "pdetrange5g", fem.ghz5.pdet_range, 0, fb); 268 ENTRY(0x00000700, u8, pre, "triso5g", fem.ghz5.tr_iso, 0, fb); 269 ENTRY(0x00000700, u8, pre, "antswctl5g", fem.ghz5.antswlut, 0, fb); 270 ENTRY(0x000000f0, u8, pre, "txpid2ga0", txpid2g[0], 0, fb); 271 ENTRY(0x000000f0, u8, pre, "txpid2ga1", txpid2g[1], 0, fb); 272 ENTRY(0x000000f0, u8, pre, "txpid2ga2", txpid2g[2], 0, fb); 273 ENTRY(0x000000f0, u8, pre, "txpid2ga3", txpid2g[3], 0, fb); 274 ENTRY(0x000000f0, u8, pre, "txpid5ga0", txpid5g[0], 0, fb); 275 ENTRY(0x000000f0, u8, pre, "txpid5ga1", txpid5g[1], 0, fb); 276 ENTRY(0x000000f0, u8, pre, "txpid5ga2", txpid5g[2], 0, fb); 277 ENTRY(0x000000f0, u8, pre, "txpid5ga3", txpid5g[3], 0, fb); 278 ENTRY(0x000000f0, u8, pre, "txpid5gla0", txpid5gl[0], 0, fb); 279 ENTRY(0x000000f0, u8, pre, "txpid5gla1", txpid5gl[1], 0, fb); 280 ENTRY(0x000000f0, u8, pre, "txpid5gla2", txpid5gl[2], 0, fb); 281 ENTRY(0x000000f0, u8, pre, "txpid5gla3", txpid5gl[3], 0, fb); 282 ENTRY(0x000000f0, u8, pre, "txpid5gha0", txpid5gh[0], 0, fb); 283 ENTRY(0x000000f0, u8, pre, "txpid5gha1", txpid5gh[1], 0, fb); 284 ENTRY(0x000000f0, u8, pre, "txpid5gha2", txpid5gh[2], 0, fb); 285 ENTRY(0x000000f0, u8, pre, "txpid5gha3", txpid5gh[3], 0, fb); 286 287 ENTRY(0xffffff00, u8, pre, "tempthresh", tempthresh, 0, fb); 288 ENTRY(0xffffff00, u8, pre, "tempoffset", tempoffset, 0, fb); 289 ENTRY(0xffffff00, u16, pre, "rawtempsense", rawtempsense, 0, fb); 290 ENTRY(0xffffff00, u8, pre, "measpower", measpower, 0, fb); 291 ENTRY(0xffffff00, u8, pre, "tempsense_slope", tempsense_slope, 0, fb); 292 ENTRY(0xffffff00, u8, pre, "tempcorrx", tempcorrx, 0, fb); 293 ENTRY(0xffffff00, u8, pre, "tempsense_option", tempsense_option, 0, fb); 294 ENTRY(0x00000700, u8, pre, "freqoffset_corr", freqoffset_corr, 0, fb); 295 ENTRY(0x00000700, u8, pre, "iqcal_swp_dis", iqcal_swp_dis, 0, fb); 296 ENTRY(0x00000700, u8, pre, "hw_iqcal_en", hw_iqcal_en, 0, fb); 297 ENTRY(0x00000700, u8, pre, "elna2g", elna2g, 0, fb); 298 ENTRY(0x00000700, u8, pre, "elna5g", elna5g, 0, fb); 299 ENTRY(0xffffff00, u8, pre, "phycal_tempdelta", phycal_tempdelta, 0, fb); 300 ENTRY(0xffffff00, u8, pre, "temps_period", temps_period, 0, fb); 301 ENTRY(0xffffff00, u8, pre, "temps_hysteresis", temps_hysteresis, 0, fb); 302 ENTRY(0xffffff00, u8, pre, "measpower1", measpower1, 0, fb); 303 ENTRY(0xffffff00, u8, pre, "measpower2", measpower2, 0, fb); 304 305 ENTRY(0x000001f0, u16, pre, "cck2gpo", cck2gpo, 0, fb); 306 ENTRY(0x000001f0, u32, pre, "ofdm2gpo", ofdm2gpo, 0, fb); 307 ENTRY(0x000001f0, u32, pre, "ofdm5gpo", ofdm5gpo, 0, fb); 308 ENTRY(0x000001f0, u32, pre, "ofdm5glpo", ofdm5glpo, 0, fb); 309 ENTRY(0x000001f0, u32, pre, "ofdm5ghpo", ofdm5ghpo, 0, fb); 310 ENTRY(0x000001f0, u16, pre, "mcs2gpo0", mcs2gpo[0], 0, fb); 311 ENTRY(0x000001f0, u16, pre, "mcs2gpo1", mcs2gpo[1], 0, fb); 312 ENTRY(0x000001f0, u16, pre, "mcs2gpo2", mcs2gpo[2], 0, fb); 313 ENTRY(0x000001f0, u16, pre, "mcs2gpo3", mcs2gpo[3], 0, fb); 314 ENTRY(0x000001f0, u16, pre, "mcs2gpo4", mcs2gpo[4], 0, fb); 315 ENTRY(0x000001f0, u16, pre, "mcs2gpo5", mcs2gpo[5], 0, fb); 316 ENTRY(0x000001f0, u16, pre, "mcs2gpo6", mcs2gpo[6], 0, fb); 317 ENTRY(0x000001f0, u16, pre, "mcs2gpo7", mcs2gpo[7], 0, fb); 318 ENTRY(0x000001f0, u16, pre, "mcs5gpo0", mcs5gpo[0], 0, fb); 319 ENTRY(0x000001f0, u16, pre, "mcs5gpo1", mcs5gpo[1], 0, fb); 320 ENTRY(0x000001f0, u16, pre, "mcs5gpo2", mcs5gpo[2], 0, fb); 321 ENTRY(0x000001f0, u16, pre, "mcs5gpo3", mcs5gpo[3], 0, fb); 322 ENTRY(0x000001f0, u16, pre, "mcs5gpo4", mcs5gpo[4], 0, fb); 323 ENTRY(0x000001f0, u16, pre, "mcs5gpo5", mcs5gpo[5], 0, fb); 324 ENTRY(0x000001f0, u16, pre, "mcs5gpo6", mcs5gpo[6], 0, fb); 325 ENTRY(0x000001f0, u16, pre, "mcs5gpo7", mcs5gpo[7], 0, fb); 326 ENTRY(0x000001f0, u16, pre, "mcs5glpo0", mcs5glpo[0], 0, fb); 327 ENTRY(0x000001f0, u16, pre, "mcs5glpo1", mcs5glpo[1], 0, fb); 328 ENTRY(0x000001f0, u16, pre, "mcs5glpo2", mcs5glpo[2], 0, fb); 329 ENTRY(0x000001f0, u16, pre, "mcs5glpo3", mcs5glpo[3], 0, fb); 330 ENTRY(0x000001f0, u16, pre, "mcs5glpo4", mcs5glpo[4], 0, fb); 331 ENTRY(0x000001f0, u16, pre, "mcs5glpo5", mcs5glpo[5], 0, fb); 332 ENTRY(0x000001f0, u16, pre, "mcs5glpo6", mcs5glpo[6], 0, fb); 333 ENTRY(0x000001f0, u16, pre, "mcs5glpo7", mcs5glpo[7], 0, fb); 334 ENTRY(0x000001f0, u16, pre, "mcs5ghpo0", mcs5ghpo[0], 0, fb); 335 ENTRY(0x000001f0, u16, pre, "mcs5ghpo1", mcs5ghpo[1], 0, fb); 336 ENTRY(0x000001f0, u16, pre, "mcs5ghpo2", mcs5ghpo[2], 0, fb); 337 ENTRY(0x000001f0, u16, pre, "mcs5ghpo3", mcs5ghpo[3], 0, fb); 338 ENTRY(0x000001f0, u16, pre, "mcs5ghpo4", mcs5ghpo[4], 0, fb); 339 ENTRY(0x000001f0, u16, pre, "mcs5ghpo5", mcs5ghpo[5], 0, fb); 340 ENTRY(0x000001f0, u16, pre, "mcs5ghpo6", mcs5ghpo[6], 0, fb); 341 ENTRY(0x000001f0, u16, pre, "mcs5ghpo7", mcs5ghpo[7], 0, fb); 342 ENTRY(0x000001f0, u16, pre, "cddpo", cddpo, 0, fb); 343 ENTRY(0x000001f0, u16, pre, "stbcpo", stbcpo, 0, fb); 344 ENTRY(0x000001f0, u16, pre, "bw40po", bw40po, 0, fb); 345 ENTRY(0x000001f0, u16, pre, "bwduppo", bwduppo, 0, fb); 346 347 ENTRY(0xfffffe00, u16, pre, "cckbw202gpo", cckbw202gpo, 0, fb); 348 ENTRY(0xfffffe00, u16, pre, "cckbw20ul2gpo", cckbw20ul2gpo, 0, fb); 349 ENTRY(0x00000600, u32, pre, "legofdmbw202gpo", legofdmbw202gpo, 0, fb); 350 ENTRY(0x00000600, u32, pre, "legofdmbw20ul2gpo", legofdmbw20ul2gpo, 0, fb); 351 ENTRY(0x00000600, u32, pre, "legofdmbw205glpo", legofdmbw205glpo, 0, fb); 352 ENTRY(0x00000600, u32, pre, "legofdmbw20ul5glpo", legofdmbw20ul5glpo, 0, fb); 353 ENTRY(0x00000600, u32, pre, "legofdmbw205gmpo", legofdmbw205gmpo, 0, fb); 354 ENTRY(0x00000600, u32, pre, "legofdmbw20ul5gmpo", legofdmbw20ul5gmpo, 0, fb); 355 ENTRY(0x00000600, u32, pre, "legofdmbw205ghpo", legofdmbw205ghpo, 0, fb); 356 ENTRY(0x00000600, u32, pre, "legofdmbw20ul5ghpo", legofdmbw20ul5ghpo, 0, fb); 357 ENTRY(0xfffffe00, u32, pre, "mcsbw202gpo", mcsbw202gpo, 0, fb); 358 ENTRY(0x00000600, u32, pre, "mcsbw20ul2gpo", mcsbw20ul2gpo, 0, fb); 359 ENTRY(0xfffffe00, u32, pre, "mcsbw402gpo", mcsbw402gpo, 0, fb); 360 ENTRY(0xfffffe00, u32, pre, "mcsbw205glpo", mcsbw205glpo, 0, fb); 361 ENTRY(0x00000600, u32, pre, "mcsbw20ul5glpo", mcsbw20ul5glpo, 0, fb); 362 ENTRY(0xfffffe00, u32, pre, "mcsbw405glpo", mcsbw405glpo, 0, fb); 363 ENTRY(0xfffffe00, u32, pre, "mcsbw205gmpo", mcsbw205gmpo, 0, fb); 364 ENTRY(0x00000600, u32, pre, "mcsbw20ul5gmpo", mcsbw20ul5gmpo, 0, fb); 365 ENTRY(0xfffffe00, u32, pre, "mcsbw405gmpo", mcsbw405gmpo, 0, fb); 366 ENTRY(0xfffffe00, u32, pre, "mcsbw205ghpo", mcsbw205ghpo, 0, fb); 367 ENTRY(0x00000600, u32, pre, "mcsbw20ul5ghpo", mcsbw20ul5ghpo, 0, fb); 368 ENTRY(0xfffffe00, u32, pre, "mcsbw405ghpo", mcsbw405ghpo, 0, fb); 369 ENTRY(0x00000600, u16, pre, "mcs32po", mcs32po, 0, fb); 370 ENTRY(0x00000600, u16, pre, "legofdm40duppo", legofdm40duppo, 0, fb); 371 ENTRY(0x00000700, u8, pre, "pcieingress_war", pcieingress_war, 0, fb); 372 373 /* TODO: rev 11 support */ 374 ENTRY(0x00000700, u8, pre, "rxgainerr2ga0", rxgainerr2ga[0], 0, fb); 375 ENTRY(0x00000700, u8, pre, "rxgainerr2ga1", rxgainerr2ga[1], 0, fb); 376 ENTRY(0x00000700, u8, pre, "rxgainerr2ga2", rxgainerr2ga[2], 0, fb); 377 ENTRY(0x00000700, u8, pre, "rxgainerr5gla0", rxgainerr5gla[0], 0, fb); 378 ENTRY(0x00000700, u8, pre, "rxgainerr5gla1", rxgainerr5gla[1], 0, fb); 379 ENTRY(0x00000700, u8, pre, "rxgainerr5gla2", rxgainerr5gla[2], 0, fb); 380 ENTRY(0x00000700, u8, pre, "rxgainerr5gma0", rxgainerr5gma[0], 0, fb); 381 ENTRY(0x00000700, u8, pre, "rxgainerr5gma1", rxgainerr5gma[1], 0, fb); 382 ENTRY(0x00000700, u8, pre, "rxgainerr5gma2", rxgainerr5gma[2], 0, fb); 383 ENTRY(0x00000700, u8, pre, "rxgainerr5gha0", rxgainerr5gha[0], 0, fb); 384 ENTRY(0x00000700, u8, pre, "rxgainerr5gha1", rxgainerr5gha[1], 0, fb); 385 ENTRY(0x00000700, u8, pre, "rxgainerr5gha2", rxgainerr5gha[2], 0, fb); 386 ENTRY(0x00000700, u8, pre, "rxgainerr5gua0", rxgainerr5gua[0], 0, fb); 387 ENTRY(0x00000700, u8, pre, "rxgainerr5gua1", rxgainerr5gua[1], 0, fb); 388 ENTRY(0x00000700, u8, pre, "rxgainerr5gua2", rxgainerr5gua[2], 0, fb); 389 390 ENTRY(0xfffffe00, u8, pre, "sar2g", sar2g, 0, fb); 391 ENTRY(0xfffffe00, u8, pre, "sar5g", sar5g, 0, fb); 392 393 /* TODO: rev 11 support */ 394 ENTRY(0x00000700, u8, pre, "noiselvl2ga0", noiselvl2ga[0], 0, fb); 395 ENTRY(0x00000700, u8, pre, "noiselvl2ga1", noiselvl2ga[1], 0, fb); 396 ENTRY(0x00000700, u8, pre, "noiselvl2ga2", noiselvl2ga[2], 0, fb); 397 ENTRY(0x00000700, u8, pre, "noiselvl5gla0", noiselvl5gla[0], 0, fb); 398 ENTRY(0x00000700, u8, pre, "noiselvl5gla1", noiselvl5gla[1], 0, fb); 399 ENTRY(0x00000700, u8, pre, "noiselvl5gla2", noiselvl5gla[2], 0, fb); 400 ENTRY(0x00000700, u8, pre, "noiselvl5gma0", noiselvl5gma[0], 0, fb); 401 ENTRY(0x00000700, u8, pre, "noiselvl5gma1", noiselvl5gma[1], 0, fb); 402 ENTRY(0x00000700, u8, pre, "noiselvl5gma2", noiselvl5gma[2], 0, fb); 403 ENTRY(0x00000700, u8, pre, "noiselvl5gha0", noiselvl5gha[0], 0, fb); 404 ENTRY(0x00000700, u8, pre, "noiselvl5gha1", noiselvl5gha[1], 0, fb); 405 ENTRY(0x00000700, u8, pre, "noiselvl5gha2", noiselvl5gha[2], 0, fb); 406 ENTRY(0x00000700, u8, pre, "noiselvl5gua0", noiselvl5gua[0], 0, fb); 407 ENTRY(0x00000700, u8, pre, "noiselvl5gua1", noiselvl5gua[1], 0, fb); 408 ENTRY(0x00000700, u8, pre, "noiselvl5gua2", noiselvl5gua[2], 0, fb); 409} 410#undef ENTRY /* It's specififc, uses local variable, don't use it (again). */ 411 412static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom, 413 const char *prefix, bool fallback) 414{ 415 nvram_read_u16(prefix, NULL, "devid", &sprom->dev_id, 0, fallback); 416 nvram_read_alpha2(prefix, "ccode", sprom->alpha2, fallback); 417} 418 419static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix, 420 bool fallback) 421{ 422 nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time, 423 &sprom->leddc_off_time, fallback); 424} 425 426static void bcm47xx_fill_sprom_r4589(struct ssb_sprom *sprom, 427 const char *prefix, bool fallback) 428{ 429 nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time, 430 &sprom->leddc_off_time, fallback); 431} 432 433static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom, 434 const char *prefix, bool fallback) 435{ 436 char postfix[2]; 437 int i; 438 439 for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { 440 struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i]; 441 snprintf(postfix, sizeof(postfix), "%i", i); 442 nvram_read_u8(prefix, postfix, "maxp2ga", 443 &pwr_info->maxpwr_2g, 0, fallback); 444 nvram_read_u8(prefix, postfix, "itt2ga", 445 &pwr_info->itssi_2g, 0, fallback); 446 nvram_read_u8(prefix, postfix, "itt5ga", 447 &pwr_info->itssi_5g, 0, fallback); 448 nvram_read_u16(prefix, postfix, "pa2gw0a", 449 &pwr_info->pa_2g[0], 0, fallback); 450 nvram_read_u16(prefix, postfix, "pa2gw1a", 451 &pwr_info->pa_2g[1], 0, fallback); 452 nvram_read_u16(prefix, postfix, "pa2gw2a", 453 &pwr_info->pa_2g[2], 0, fallback); 454 nvram_read_u8(prefix, postfix, "maxp5ga", 455 &pwr_info->maxpwr_5g, 0, fallback); 456 nvram_read_u8(prefix, postfix, "maxp5gha", 457 &pwr_info->maxpwr_5gh, 0, fallback); 458 nvram_read_u8(prefix, postfix, "maxp5gla", 459 &pwr_info->maxpwr_5gl, 0, fallback); 460 nvram_read_u16(prefix, postfix, "pa5gw0a", 461 &pwr_info->pa_5g[0], 0, fallback); 462 nvram_read_u16(prefix, postfix, "pa5gw1a", 463 &pwr_info->pa_5g[1], 0, fallback); 464 nvram_read_u16(prefix, postfix, "pa5gw2a", 465 &pwr_info->pa_5g[2], 0, fallback); 466 nvram_read_u16(prefix, postfix, "pa5glw0a", 467 &pwr_info->pa_5gl[0], 0, fallback); 468 nvram_read_u16(prefix, postfix, "pa5glw1a", 469 &pwr_info->pa_5gl[1], 0, fallback); 470 nvram_read_u16(prefix, postfix, "pa5glw2a", 471 &pwr_info->pa_5gl[2], 0, fallback); 472 nvram_read_u16(prefix, postfix, "pa5ghw0a", 473 &pwr_info->pa_5gh[0], 0, fallback); 474 nvram_read_u16(prefix, postfix, "pa5ghw1a", 475 &pwr_info->pa_5gh[1], 0, fallback); 476 nvram_read_u16(prefix, postfix, "pa5ghw2a", 477 &pwr_info->pa_5gh[2], 0, fallback); 478 } 479} 480 481static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom, 482 const char *prefix, bool fallback) 483{ 484 char postfix[2]; 485 int i; 486 487 for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { 488 struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i]; 489 snprintf(postfix, sizeof(postfix), "%i", i); 490 nvram_read_u16(prefix, postfix, "pa2gw3a", 491 &pwr_info->pa_2g[3], 0, fallback); 492 nvram_read_u16(prefix, postfix, "pa5gw3a", 493 &pwr_info->pa_5g[3], 0, fallback); 494 nvram_read_u16(prefix, postfix, "pa5glw3a", 495 &pwr_info->pa_5gl[3], 0, fallback); 496 nvram_read_u16(prefix, postfix, "pa5ghw3a", 497 &pwr_info->pa_5gh[3], 0, fallback); 498 } 499} 500 501static bool bcm47xx_is_valid_mac(u8 *mac) 502{ 503 return mac && !(mac[0] == 0x00 && mac[1] == 0x90 && mac[2] == 0x4c); 504} 505 506static int bcm47xx_increase_mac_addr(u8 *mac, u8 num) 507{ 508 u8 *oui = mac + ETH_ALEN/2 - 1; 509 u8 *p = mac + ETH_ALEN - 1; 510 511 do { 512 (*p) += num; 513 if (*p > num) 514 break; 515 p--; 516 num = 1; 517 } while (p != oui); 518 519 if (p == oui) { 520 pr_err("unable to fetch mac address\n"); 521 return -ENOENT; 522 } 523 return 0; 524} 525 526static int mac_addr_used = 2; 527 528static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, 529 const char *prefix, bool fallback) 530{ 531 nvram_read_macaddr(prefix, "et0macaddr", sprom->et0mac, fallback); 532 nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0, 533 fallback); 534 nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0, 535 fallback); 536 537 nvram_read_macaddr(prefix, "et1macaddr", sprom->et1mac, fallback); 538 nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0, 539 fallback); 540 nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0, 541 fallback); 542 543 nvram_read_macaddr(prefix, "macaddr", sprom->il0mac, fallback); 544 nvram_read_macaddr(prefix, "il0macaddr", sprom->il0mac, fallback); 545 546 /* The address prefix 00:90:4C is used by Broadcom in their initial 547 configuration. When a mac address with the prefix 00:90:4C is used 548 all devices from the same series are sharing the same mac address. 549 To prevent mac address collisions we replace them with a mac address 550 based on the base address. */ 551 if (!bcm47xx_is_valid_mac(sprom->il0mac)) { 552 u8 mac[6]; 553 554 nvram_read_macaddr(NULL, "et0macaddr", mac, false); 555 if (bcm47xx_is_valid_mac(mac)) { 556 int err = bcm47xx_increase_mac_addr(mac, mac_addr_used); 557 558 if (!err) { 559 ether_addr_copy(sprom->il0mac, mac); 560 mac_addr_used++; 561 } 562 } 563 } 564} 565 566static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix, 567 bool fallback) 568{ 569 nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo, 570 &sprom->boardflags_hi, fallback); 571 nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo, 572 &sprom->boardflags2_hi, fallback); 573} 574 575void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix, 576 bool fallback) 577{ 578 bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback); 579 bcm47xx_fill_board_data(sprom, prefix, fallback); 580 581 nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback); 582 583 switch (sprom->revision) { 584 case 1: 585 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 586 break; 587 case 2: 588 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 589 break; 590 case 3: 591 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 592 bcm47xx_fill_sprom_r3(sprom, prefix, fallback); 593 break; 594 case 4: 595 case 5: 596 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 597 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback); 598 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); 599 bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback); 600 break; 601 case 8: 602 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 603 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback); 604 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); 605 break; 606 case 9: 607 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 608 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback); 609 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); 610 break; 611 default: 612 pr_warn("Unsupported SPROM revision %d detected. Will extract v1\n", 613 sprom->revision); 614 sprom->revision = 1; 615 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback); 616 } 617 618 bcm47xx_sprom_fill_auto(sprom, prefix, fallback); 619} 620 621#ifdef CONFIG_BCM47XX_SSB 622void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo, 623 const char *prefix) 624{ 625 nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0, 626 true); 627 if (!boardinfo->vendor) 628 boardinfo->vendor = SSB_BOARDVENDOR_BCM; 629 630 nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true); 631} 632#endif 633 634#ifdef CONFIG_BCM47XX_BCMA 635void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo, 636 const char *prefix) 637{ 638 nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0, 639 true); 640 if (!boardinfo->vendor) 641 boardinfo->vendor = SSB_BOARDVENDOR_BCM; 642 643 nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true); 644} 645#endif 646 647#if defined(CONFIG_BCM47XX_SSB) 648static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out) 649{ 650 char prefix[10]; 651 652 if (bus->bustype == SSB_BUSTYPE_PCI) { 653 memset(out, 0, sizeof(struct ssb_sprom)); 654 snprintf(prefix, sizeof(prefix), "pci/%u/%u/", 655 bus->host_pci->bus->number + 1, 656 PCI_SLOT(bus->host_pci->devfn)); 657 bcm47xx_fill_sprom(out, prefix, false); 658 return 0; 659 } else { 660 pr_warn("Unable to fill SPROM for given bustype.\n"); 661 return -EINVAL; 662 } 663} 664#endif 665 666#if defined(CONFIG_BCM47XX_BCMA) 667/* 668 * Having many NVRAM entries for PCI devices led to repeating prefixes like 669 * pci/1/1/ all the time and wasting flash space. So at some point Broadcom 670 * decided to introduce prefixes like 0: 1: 2: etc. 671 * If we find e.g. devpath0=pci/2/1 or devpath0=pci/2/1/ we should use 0: 672 * instead of pci/2/1/. 673 */ 674static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size) 675{ 676 size_t prefix_len = strlen(prefix); 677 size_t short_len = prefix_len - 1; 678 char nvram_var[10]; 679 char buf[20]; 680 int i; 681 682 /* Passed prefix has to end with a slash */ 683 if (prefix_len <= 0 || prefix[prefix_len - 1] != '/') 684 return; 685 686 for (i = 0; i < 3; i++) { 687 if (snprintf(nvram_var, sizeof(nvram_var), "devpath%d", i) <= 0) 688 continue; 689 if (bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf)) < 0) 690 continue; 691 if (!strcmp(buf, prefix) || 692 (short_len && strlen(buf) == short_len && !strncmp(buf, prefix, short_len))) { 693 snprintf(prefix, prefix_size, "%d:", i); 694 return; 695 } 696 } 697} 698 699static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) 700{ 701 char prefix[10]; 702 struct bcma_device *core; 703 704 switch (bus->hosttype) { 705 case BCMA_HOSTTYPE_PCI: 706 memset(out, 0, sizeof(struct ssb_sprom)); 707 snprintf(prefix, sizeof(prefix), "pci/%u/%u/", 708 bus->host_pci->bus->number + 1, 709 PCI_SLOT(bus->host_pci->devfn)); 710 bcm47xx_sprom_apply_prefix_alias(prefix, sizeof(prefix)); 711 bcm47xx_fill_sprom(out, prefix, false); 712 return 0; 713 case BCMA_HOSTTYPE_SOC: 714 memset(out, 0, sizeof(struct ssb_sprom)); 715 core = bcma_find_core(bus, BCMA_CORE_80211); 716 if (core) { 717 snprintf(prefix, sizeof(prefix), "sb/%u/", 718 core->core_index); 719 bcm47xx_fill_sprom(out, prefix, true); 720 } else { 721 bcm47xx_fill_sprom(out, NULL, false); 722 } 723 return 0; 724 default: 725 pr_warn("Unable to fill SPROM for given bustype.\n"); 726 return -EINVAL; 727 } 728} 729#endif 730 731/* 732 * On bcm47xx we need to register SPROM fallback handler very early, so we can't 733 * use anything like platform device / driver for this. 734 */ 735void bcm47xx_sprom_register_fallbacks(void) 736{ 737#if defined(CONFIG_BCM47XX_SSB) 738 if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb)) 739 pr_warn("Failed to registered ssb SPROM handler\n"); 740#endif 741 742#if defined(CONFIG_BCM47XX_BCMA) 743 if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma)) 744 pr_warn("Failed to registered bcma SPROM handler\n"); 745#endif 746} 747