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 <linux/bcm47xx_nvram.h> 30#include <linux/bcm47xx_sprom.h> 31#include <linux/bcma/bcma.h> 32#include <linux/etherdevice.h> 33#include <linux/if_ether.h> 34#include <linux/ssb/ssb.h> 35 36static void create_key(const char *prefix, const char *postfix, 37 const char *name, char *buf, int len) 38{ 39 if (prefix && postfix) 40 snprintf(buf, len, "%s%s%s", prefix, name, postfix); 41 else if (prefix) 42 snprintf(buf, len, "%s%s", prefix, name); 43 else if (postfix) 44 snprintf(buf, len, "%s%s", name, postfix); 45 else 46 snprintf(buf, len, "%s", name); 47} 48 49static int get_nvram_var(const char *prefix, const char *postfix, 50 const char *name, char *buf, int len, bool fallback) 51{ 52 char key[40]; 53 int err; 54 55 create_key(prefix, postfix, name, key, sizeof(key)); 56 57 err = bcm47xx_nvram_getenv(key, buf, len); 58 if (fallback && err == -ENOENT && prefix) { 59 create_key(NULL, postfix, name, key, sizeof(key)); 60 err = bcm47xx_nvram_getenv(key, buf, len); 61 } 62 return err; 63} 64 65#define NVRAM_READ_VAL(type) \ 66static void nvram_read_ ## type(const char *prefix, \ 67 const char *postfix, const char *name, \ 68 type *val, type allset, bool fallback) \ 69{ \ 70 char buf[100]; \ 71 int err; \ 72 type var; \ 73 \ 74 err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf), \ 75 fallback); \ 76 if (err < 0) \ 77 return; \ 78 err = kstrto ## type(strim(buf), 0, &var); \ 79 if (err) { \ 80 pr_warn("can not parse nvram name %s%s%s with value %s got %i\n", \ 81 prefix, name, postfix, buf, err); \ 82 return; \ 83 } \ 84 if (allset && var == allset) \ 85 return; \ 86 *val = var; \ 87} 88 89NVRAM_READ_VAL(u8) 90NVRAM_READ_VAL(s8) 91NVRAM_READ_VAL(u16) 92NVRAM_READ_VAL(u32) 93 94#undef NVRAM_READ_VAL 95 96static void nvram_read_u32_2(const char *prefix, const char *name, 97 u16 *val_lo, u16 *val_hi, bool fallback) 98{ 99 char buf[100]; 100 int err; 101 u32 val; 102 103 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 104 if (err < 0) 105 return; 106 err = kstrtou32(strim(buf), 0, &val); 107 if (err) { 108 pr_warn("can not parse nvram name %s%s with value %s got %i\n", 109 prefix, name, buf, err); 110 return; 111 } 112 *val_lo = (val & 0x0000FFFFU); 113 *val_hi = (val & 0xFFFF0000U) >> 16; 114} 115 116static void nvram_read_leddc(const char *prefix, const char *name, 117 u8 *leddc_on_time, u8 *leddc_off_time, 118 bool fallback) 119{ 120 char buf[100]; 121 int err; 122 u32 val; 123 124 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 125 if (err < 0) 126 return; 127 err = kstrtou32(strim(buf), 0, &val); 128 if (err) { 129 pr_warn("can not parse nvram name %s%s with value %s got %i\n", 130 prefix, name, buf, err); 131 return; 132 } 133 134 if (val == 0xffff || val == 0xffffffff) 135 return; 136 137 *leddc_on_time = val & 0xff; 138 *leddc_off_time = (val >> 16) & 0xff; 139} 140 141static void nvram_read_macaddr(const char *prefix, const char *name, 142 u8 val[6], bool fallback) 143{ 144 char buf[100]; 145 int err; 146 147 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 148 if (err < 0) 149 return; 150 151 strreplace(buf, '-', ':'); 152 if (!mac_pton(buf, val)) 153 pr_warn("Can not parse mac address: %s\n", buf); 154} 155 156static void nvram_read_alpha2(const char *prefix, const char *name, 157 char val[2], bool fallback) 158{ 159 char buf[10]; 160 int err; 161 162 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); 163 if (err < 0) 164 return; 165 if (buf[0] == '0') 166 return; 167 if (strlen(buf) > 2) { 168 pr_warn("alpha2 is too long %s\n", buf); 169 return; 170 } 171 memcpy(val, buf, 2); 172} 173 174/* This is one-function-only macro, it uses local "sprom" variable! */ 175#define ENTRY(_revmask, _type, _prefix, _name, _val, _allset, _fallback) \ 176 if (_revmask & BIT(sprom->revision)) \ 177 nvram_read_ ## _type(_prefix, NULL, _name, &sprom->_val, \ 178 _allset, _fallback) 179/* 180 * Special version of filling function that can be safely called for any SPROM 181 * revision. For every NVRAM to SPROM mapping it contains bitmask of revisions 182 * for which the mapping is valid. 183 * It obviously requires some hexadecimal/bitmasks knowledge, but allows 184 * writing cleaner code (easy revisions handling). 185 * Note that while SPROM revision 0 was never used, we still keep BIT(0) 186 * reserved for it, just to keep numbering sane. 187 */ 188static void bcm47xx_sprom_fill_auto(struct ssb_sprom *sprom, 189 const char *prefix, bool fallback) 190{ 191 const char *pre = prefix; 192 bool fb = fallback; 193 194 /* Broadcom extracts it for rev 8+ but it was found on 2 and 4 too */ 195 ENTRY(0xfffffffe, u16, pre, "devid", dev_id, 0, fallback); 196 197 ENTRY(0xfffffffe, u16, pre, "boardrev", board_rev, 0, true); 198 ENTRY(0xfffffffe, u32, pre, "boardflags", boardflags, 0, fb); 199 ENTRY(0xfffffff0, u32, pre, "boardflags2", boardflags2, 0, fb); 200 ENTRY(0xfffff800, u32, pre, "boardflags3", boardflags3, 0, fb); 201 ENTRY(0x00000002, u16, pre, "boardflags", boardflags_lo, 0, fb); 202 ENTRY(0xfffffffc, u16, pre, "boardtype", board_type, 0, true); 203 ENTRY(0xfffffffe, u16, pre, "boardnum", board_num, 0, fb); 204 ENTRY(0x00000002, u8, pre, "cc", country_code, 0, fb); 205 ENTRY(0xfffffff8, u8, pre, "regrev", regrev, 0, fb); 206 207 ENTRY(0xfffffffe, u8, pre, "ledbh0", gpio0, 0xff, fb); 208 ENTRY(0xfffffffe, u8, pre, "ledbh1", gpio1, 0xff, fb); 209 ENTRY(0xfffffffe, u8, pre, "ledbh2", gpio2, 0xff, fb); 210 ENTRY(0xfffffffe, u8, pre, "ledbh3", gpio3, 0xff, fb); 211 212 ENTRY(0x0000070e, u16, pre, "pa0b0", pa0b0, 0, fb); 213 ENTRY(0x0000070e, u16, pre, "pa0b1", pa0b1, 0, fb); 214 ENTRY(0x0000070e, u16, pre, "pa0b2", pa0b2, 0, fb); 215 ENTRY(0x0000070e, u8, pre, "pa0itssit", itssi_bg, 0, fb); 216 ENTRY(0x0000070e, u8, pre, "pa0maxpwr", maxpwr_bg, 0, fb); 217 218 ENTRY(0x0000070c, u8, pre, "opo", opo, 0, fb); 219 ENTRY(0xfffffffe, u8, pre, "aa2g", ant_available_bg, 0, fb); 220 ENTRY(0xfffffffe, u8, pre, "aa5g", ant_available_a, 0, fb); 221 ENTRY(0x000007fe, s8, pre, "ag0", antenna_gain.a0, 0, fb); 222 ENTRY(0x000007fe, s8, pre, "ag1", antenna_gain.a1, 0, fb); 223 ENTRY(0x000007f0, s8, pre, "ag2", antenna_gain.a2, 0, fb); 224 ENTRY(0x000007f0, s8, pre, "ag3", antenna_gain.a3, 0, fb); 225 226 ENTRY(0x0000070e, u16, pre, "pa1b0", pa1b0, 0, fb); 227 ENTRY(0x0000070e, u16, pre, "pa1b1", pa1b1, 0, fb); 228 ENTRY(0x0000070e, u16, pre, "pa1b2", pa1b2, 0, fb); 229 ENTRY(0x0000070c, u16, pre, "pa1lob0", pa1lob0, 0, fb); 230 ENTRY(0x0000070c, u16, pre, "pa1lob1", pa1lob1, 0, fb); 231 ENTRY(0x0000070c, u16, pre, "pa1lob2", pa1lob2, 0, fb); 232 ENTRY(0x0000070c, u16, pre, "pa1hib0", pa1hib0, 0, fb); 233 ENTRY(0x0000070c, u16, pre, "pa1hib1", pa1hib1, 0, fb); 234 ENTRY(0x0000070c, u16, pre, "pa1hib2", pa1hib2, 0, fb); 235 ENTRY(0x0000070e, u8, pre, "pa1itssit", itssi_a, 0, fb); 236 ENTRY(0x0000070e, u8, pre, "pa1maxpwr", maxpwr_a, 0, fb); 237 ENTRY(0x0000070c, u8, pre, "pa1lomaxpwr", maxpwr_al, 0, fb); 238 ENTRY(0x0000070c, u8, pre, "pa1himaxpwr", maxpwr_ah, 0, fb); 239 240 ENTRY(0x00000708, u8, pre, "bxa2g", bxa2g, 0, fb); 241 ENTRY(0x00000708, u8, pre, "rssisav2g", rssisav2g, 0, fb); 242 ENTRY(0x00000708, u8, pre, "rssismc2g", rssismc2g, 0, fb); 243 ENTRY(0x00000708, u8, pre, "rssismf2g", rssismf2g, 0, fb); 244 ENTRY(0x00000708, u8, pre, "bxa5g", bxa5g, 0, fb); 245 ENTRY(0x00000708, u8, pre, "rssisav5g", rssisav5g, 0, fb); 246 ENTRY(0x00000708, u8, pre, "rssismc5g", rssismc5g, 0, fb); 247 ENTRY(0x00000708, u8, pre, "rssismf5g", rssismf5g, 0, fb); 248 ENTRY(0x00000708, u8, pre, "tri2g", tri2g, 0, fb); 249 ENTRY(0x00000708, u8, pre, "tri5g", tri5g, 0, fb); 250 ENTRY(0x00000708, u8, pre, "tri5gl", tri5gl, 0, fb); 251 ENTRY(0x00000708, u8, pre, "tri5gh", tri5gh, 0, fb); 252 ENTRY(0x00000708, s8, pre, "rxpo2g", rxpo2g, 0, fb); 253 ENTRY(0x00000708, s8, pre, "rxpo5g", rxpo5g, 0, fb); 254 ENTRY(0xfffffff0, u8, pre, "txchain", txchain, 0xf, fb); 255 ENTRY(0xfffffff0, u8, pre, "rxchain", rxchain, 0xf, fb); 256 ENTRY(0xfffffff0, u8, pre, "antswitch", antswitch, 0xff, fb); 257 ENTRY(0x00000700, u8, pre, "tssipos2g", fem.ghz2.tssipos, 0, fb); 258 ENTRY(0x00000700, u8, pre, "extpagain2g", fem.ghz2.extpa_gain, 0, fb); 259 ENTRY(0x00000700, u8, pre, "pdetrange2g", fem.ghz2.pdet_range, 0, fb); 260 ENTRY(0x00000700, u8, pre, "triso2g", fem.ghz2.tr_iso, 0, fb); 261 ENTRY(0x00000700, u8, pre, "antswctl2g", fem.ghz2.antswlut, 0, fb); 262 ENTRY(0x00000700, u8, pre, "tssipos5g", fem.ghz5.tssipos, 0, fb); 263 ENTRY(0x00000700, u8, pre, "extpagain5g", fem.ghz5.extpa_gain, 0, fb); 264 ENTRY(0x00000700, u8, pre, "pdetrange5g", fem.ghz5.pdet_range, 0, fb); 265 ENTRY(0x00000700, u8, pre, "triso5g", fem.ghz5.tr_iso, 0, fb); 266 ENTRY(0x00000700, u8, pre, "antswctl5g", fem.ghz5.antswlut, 0, fb); 267 ENTRY(0x000000f0, u8, pre, "txpid2ga0", txpid2g[0], 0, fb); 268 ENTRY(0x000000f0, u8, pre, "txpid2ga1", txpid2g[1], 0, fb); 269 ENTRY(0x000000f0, u8, pre, "txpid2ga2", txpid2g[2], 0, fb); 270 ENTRY(0x000000f0, u8, pre, "txpid2ga3", txpid2g[3], 0, fb); 271 ENTRY(0x000000f0, u8, pre, "txpid5ga0", txpid5g[0], 0, fb); 272 ENTRY(0x000000f0, u8, pre, "txpid5ga1", txpid5g[1], 0, fb); 273 ENTRY(0x000000f0, u8, pre, "txpid5ga2", txpid5g[2], 0, fb); 274 ENTRY(0x000000f0, u8, pre, "txpid5ga3", txpid5g[3], 0, fb); 275 ENTRY(0x000000f0, u8, pre, "txpid5gla0", txpid5gl[0], 0, fb); 276 ENTRY(0x000000f0, u8, pre, "txpid5gla1", txpid5gl[1], 0, fb); 277 ENTRY(0x000000f0, u8, pre, "txpid5gla2", txpid5gl[2], 0, fb); 278 ENTRY(0x000000f0, u8, pre, "txpid5gla3", txpid5gl[3], 0, fb); 279 ENTRY(0x000000f0, u8, pre, "txpid5gha0", txpid5gh[0], 0, fb); 280 ENTRY(0x000000f0, u8, pre, "txpid5gha1", txpid5gh[1], 0, fb); 281 ENTRY(0x000000f0, u8, pre, "txpid5gha2", txpid5gh[2], 0, fb); 282 ENTRY(0x000000f0, u8, pre, "txpid5gha3", txpid5gh[3], 0, fb); 283 284 ENTRY(0xffffff00, u8, pre, "tempthresh", tempthresh, 0, fb); 285 ENTRY(0xffffff00, u8, pre, "tempoffset", tempoffset, 0, fb); 286 ENTRY(0xffffff00, u16, pre, "rawtempsense", rawtempsense, 0, fb); 287 ENTRY(0xffffff00, u8, pre, "measpower", measpower, 0, fb); 288 ENTRY(0xffffff00, u8, pre, "tempsense_slope", tempsense_slope, 0, fb); 289 ENTRY(0xffffff00, u8, pre, "tempcorrx", tempcorrx, 0, fb); 290 ENTRY(0xffffff00, u8, pre, "tempsense_option", tempsense_option, 0, fb); 291 ENTRY(0x00000700, u8, pre, "freqoffset_corr", freqoffset_corr, 0, fb); 292 ENTRY(0x00000700, u8, pre, "iqcal_swp_dis", iqcal_swp_dis, 0, fb); 293 ENTRY(0x00000700, u8, pre, "hw_iqcal_en", hw_iqcal_en, 0, fb); 294 ENTRY(0x00000700, u8, pre, "elna2g", elna2g, 0, fb); 295 ENTRY(0x00000700, u8, pre, "elna5g", elna5g, 0, fb); 296 ENTRY(0xffffff00, u8, pre, "phycal_tempdelta", phycal_tempdelta, 0, fb); 297 ENTRY(0xffffff00, u8, pre, "temps_period", temps_period, 0, fb); 298 ENTRY(0xffffff00, u8, pre, "temps_hysteresis", temps_hysteresis, 0, fb); 299 ENTRY(0xffffff00, u8, pre, "measpower1", measpower1, 0, fb); 300 ENTRY(0xffffff00, u8, pre, "measpower2", measpower2, 0, fb); 301 302 ENTRY(0x000001f0, u16, pre, "cck2gpo", cck2gpo, 0, fb); 303 ENTRY(0x000001f0, u32, pre, "ofdm2gpo", ofdm2gpo, 0, fb); 304 ENTRY(0x000001f0, u32, pre, "ofdm5gpo", ofdm5gpo, 0, fb); 305 ENTRY(0x000001f0, u32, pre, "ofdm5glpo", ofdm5glpo, 0, fb); 306 ENTRY(0x000001f0, u32, pre, "ofdm5ghpo", ofdm5ghpo, 0, fb); 307 ENTRY(0x000001f0, u16, pre, "mcs2gpo0", mcs2gpo[0], 0, fb); 308 ENTRY(0x000001f0, u16, pre, "mcs2gpo1", mcs2gpo[1], 0, fb); 309 ENTRY(0x000001f0, u16, pre, "mcs2gpo2", mcs2gpo[2], 0, fb); 310 ENTRY(0x000001f0, u16, pre, "mcs2gpo3", mcs2gpo[3], 0, fb); 311 ENTRY(0x000001f0, u16, pre, "mcs2gpo4", mcs2gpo[4], 0, fb); 312 ENTRY(0x000001f0, u16, pre, "mcs2gpo5", mcs2gpo[5], 0, fb); 313 ENTRY(0x000001f0, u16, pre, "mcs2gpo6", mcs2gpo[6], 0, fb); 314 ENTRY(0x000001f0, u16, pre, "mcs2gpo7", mcs2gpo[7], 0, fb); 315 ENTRY(0x000001f0, u16, pre, "mcs5gpo0", mcs5gpo[0], 0, fb); 316 ENTRY(0x000001f0, u16, pre, "mcs5gpo1", mcs5gpo[1], 0, fb); 317 ENTRY(0x000001f0, u16, pre, "mcs5gpo2", mcs5gpo[2], 0, fb); 318 ENTRY(0x000001f0, u16, pre, "mcs5gpo3", mcs5gpo[3], 0, fb); 319 ENTRY(0x000001f0, u16, pre, "mcs5gpo4", mcs5gpo[4], 0, fb); 320 ENTRY(0x000001f0, u16, pre, "mcs5gpo5", mcs5gpo[5], 0, fb); 321 ENTRY(0x000001f0, u16, pre, "mcs5gpo6", mcs5gpo[6], 0, fb); 322 ENTRY(0x000001f0, u16, pre, "mcs5gpo7", mcs5gpo[7], 0, fb); 323 ENTRY(0x000001f0, u16, pre, "mcs5glpo0", mcs5glpo[0], 0, fb); 324 ENTRY(0x000001f0, u16, pre, "mcs5glpo1", mcs5glpo[1], 0, fb); 325 ENTRY(0x000001f0, u16, pre, "mcs5glpo2", mcs5glpo[2], 0, fb); 326 ENTRY(0x000001f0, u16, pre, "mcs5glpo3", mcs5glpo[3], 0, fb); 327 ENTRY(0x000001f0, u16, pre, "mcs5glpo4", mcs5glpo[4], 0, fb); 328 ENTRY(0x000001f0, u16, pre, "mcs5glpo5", mcs5glpo[5], 0, fb); 329 ENTRY(0x000001f0, u16, pre, "mcs5glpo6", mcs5glpo[6], 0, fb); 330 ENTRY(0x000001f0, u16, pre, "mcs5glpo7", mcs5glpo[7], 0, fb); 331 ENTRY(0x000001f0, u16, pre, "mcs5ghpo0", mcs5ghpo[0], 0, fb); 332 ENTRY(0x000001f0, u16, pre, "mcs5ghpo1", mcs5ghpo[1], 0, fb); 333 ENTRY(0x000001f0, u16, pre, "mcs5ghpo2", mcs5ghpo[2], 0, fb); 334 ENTRY(0x000001f0, u16, pre, "mcs5ghpo3", mcs5ghpo[3], 0, fb); 335 ENTRY(0x000001f0, u16, pre, "mcs5ghpo4", mcs5ghpo[4], 0, fb); 336 ENTRY(0x000001f0, u16, pre, "mcs5ghpo5", mcs5ghpo[5], 0, fb); 337 ENTRY(0x000001f0, u16, pre, "mcs5ghpo6", mcs5ghpo[6], 0, fb); 338 ENTRY(0x000001f0, u16, pre, "mcs5ghpo7", mcs5ghpo[7], 0, fb); 339 ENTRY(0x000001f0, u16, pre, "cddpo", cddpo, 0, fb); 340 ENTRY(0x000001f0, u16, pre, "stbcpo", stbcpo, 0, fb); 341 ENTRY(0x000001f0, u16, pre, "bw40po", bw40po, 0, fb); 342 ENTRY(0x000001f0, u16, pre, "bwduppo", bwduppo, 0, fb); 343 344 ENTRY(0xfffffe00, u16, pre, "cckbw202gpo", cckbw202gpo, 0, fb); 345 ENTRY(0xfffffe00, u16, pre, "cckbw20ul2gpo", cckbw20ul2gpo, 0, fb); 346 ENTRY(0x00000600, u32, pre, "legofdmbw202gpo", legofdmbw202gpo, 0, fb); 347 ENTRY(0x00000600, u32, pre, "legofdmbw20ul2gpo", legofdmbw20ul2gpo, 0, fb); 348 ENTRY(0x00000600, u32, pre, "legofdmbw205glpo", legofdmbw205glpo, 0, fb); 349 ENTRY(0x00000600, u32, pre, "legofdmbw20ul5glpo", legofdmbw20ul5glpo, 0, fb); 350 ENTRY(0x00000600, u32, pre, "legofdmbw205gmpo", legofdmbw205gmpo, 0, fb); 351 ENTRY(0x00000600, u32, pre, "legofdmbw20ul5gmpo", legofdmbw20ul5gmpo, 0, fb); 352 ENTRY(0x00000600, u32, pre, "legofdmbw205ghpo", legofdmbw205ghpo, 0, fb); 353 ENTRY(0x00000600, u32, pre, "legofdmbw20ul5ghpo", legofdmbw20ul5ghpo, 0, fb); 354 ENTRY(0xfffffe00, u32, pre, "mcsbw202gpo", mcsbw202gpo, 0, fb); 355 ENTRY(0x00000600, u32, pre, "mcsbw20ul2gpo", mcsbw20ul2gpo, 0, fb); 356 ENTRY(0xfffffe00, u32, pre, "mcsbw402gpo", mcsbw402gpo, 0, fb); 357 ENTRY(0xfffffe00, u32, pre, "mcsbw205glpo", mcsbw205glpo, 0, fb); 358 ENTRY(0x00000600, u32, pre, "mcsbw20ul5glpo", mcsbw20ul5glpo, 0, fb); 359 ENTRY(0xfffffe00, u32, pre, "mcsbw405glpo", mcsbw405glpo, 0, fb); 360 ENTRY(0xfffffe00, u32, pre, "mcsbw205gmpo", mcsbw205gmpo, 0, fb); 361 ENTRY(0x00000600, u32, pre, "mcsbw20ul5gmpo", mcsbw20ul5gmpo, 0, fb); 362 ENTRY(0xfffffe00, u32, pre, "mcsbw405gmpo", mcsbw405gmpo, 0, fb); 363 ENTRY(0xfffffe00, u32, pre, "mcsbw205ghpo", mcsbw205ghpo, 0, fb); 364 ENTRY(0x00000600, u32, pre, "mcsbw20ul5ghpo", mcsbw20ul5ghpo, 0, fb); 365 ENTRY(0xfffffe00, u32, pre, "mcsbw405ghpo", mcsbw405ghpo, 0, fb); 366 ENTRY(0x00000600, u16, pre, "mcs32po", mcs32po, 0, fb); 367 ENTRY(0x00000600, u16, pre, "legofdm40duppo", legofdm40duppo, 0, fb); 368 ENTRY(0x00000700, u8, pre, "pcieingress_war", pcieingress_war, 0, fb); 369 370 /* TODO: rev 11 support */ 371 ENTRY(0x00000700, u8, pre, "rxgainerr2ga0", rxgainerr2ga[0], 0, fb); 372 ENTRY(0x00000700, u8, pre, "rxgainerr2ga1", rxgainerr2ga[1], 0, fb); 373 ENTRY(0x00000700, u8, pre, "rxgainerr2ga2", rxgainerr2ga[2], 0, fb); 374 ENTRY(0x00000700, u8, pre, "rxgainerr5gla0", rxgainerr5gla[0], 0, fb); 375 ENTRY(0x00000700, u8, pre, "rxgainerr5gla1", rxgainerr5gla[1], 0, fb); 376 ENTRY(0x00000700, u8, pre, "rxgainerr5gla2", rxgainerr5gla[2], 0, fb); 377 ENTRY(0x00000700, u8, pre, "rxgainerr5gma0", rxgainerr5gma[0], 0, fb); 378 ENTRY(0x00000700, u8, pre, "rxgainerr5gma1", rxgainerr5gma[1], 0, fb); 379 ENTRY(0x00000700, u8, pre, "rxgainerr5gma2", rxgainerr5gma[2], 0, fb); 380 ENTRY(0x00000700, u8, pre, "rxgainerr5gha0", rxgainerr5gha[0], 0, fb); 381 ENTRY(0x00000700, u8, pre, "rxgainerr5gha1", rxgainerr5gha[1], 0, fb); 382 ENTRY(0x00000700, u8, pre, "rxgainerr5gha2", rxgainerr5gha[2], 0, fb); 383 ENTRY(0x00000700, u8, pre, "rxgainerr5gua0", rxgainerr5gua[0], 0, fb); 384 ENTRY(0x00000700, u8, pre, "rxgainerr5gua1", rxgainerr5gua[1], 0, fb); 385 ENTRY(0x00000700, u8, pre, "rxgainerr5gua2", rxgainerr5gua[2], 0, fb); 386 387 ENTRY(0xfffffe00, u8, pre, "sar2g", sar2g, 0, fb); 388 ENTRY(0xfffffe00, u8, pre, "sar5g", sar5g, 0, fb); 389 390 /* TODO: rev 11 support */ 391 ENTRY(0x00000700, u8, pre, "noiselvl2ga0", noiselvl2ga[0], 0, fb); 392 ENTRY(0x00000700, u8, pre, "noiselvl2ga1", noiselvl2ga[1], 0, fb); 393 ENTRY(0x00000700, u8, pre, "noiselvl2ga2", noiselvl2ga[2], 0, fb); 394 ENTRY(0x00000700, u8, pre, "noiselvl5gla0", noiselvl5gla[0], 0, fb); 395 ENTRY(0x00000700, u8, pre, "noiselvl5gla1", noiselvl5gla[1], 0, fb); 396 ENTRY(0x00000700, u8, pre, "noiselvl5gla2", noiselvl5gla[2], 0, fb); 397 ENTRY(0x00000700, u8, pre, "noiselvl5gma0", noiselvl5gma[0], 0, fb); 398 ENTRY(0x00000700, u8, pre, "noiselvl5gma1", noiselvl5gma[1], 0, fb); 399 ENTRY(0x00000700, u8, pre, "noiselvl5gma2", noiselvl5gma[2], 0, fb); 400 ENTRY(0x00000700, u8, pre, "noiselvl5gha0", noiselvl5gha[0], 0, fb); 401 ENTRY(0x00000700, u8, pre, "noiselvl5gha1", noiselvl5gha[1], 0, fb); 402 ENTRY(0x00000700, u8, pre, "noiselvl5gha2", noiselvl5gha[2], 0, fb); 403 ENTRY(0x00000700, u8, pre, "noiselvl5gua0", noiselvl5gua[0], 0, fb); 404 ENTRY(0x00000700, u8, pre, "noiselvl5gua1", noiselvl5gua[1], 0, fb); 405 ENTRY(0x00000700, u8, pre, "noiselvl5gua2", noiselvl5gua[2], 0, fb); 406} 407#undef ENTRY /* It's specififc, uses local variable, don't use it (again). */ 408 409static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom, 410 const char *prefix, bool fallback) 411{ 412 char postfix[2]; 413 int i; 414 415 for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { 416 struct ssb_sprom_core_pwr_info *pwr_info; 417 418 pwr_info = &sprom->core_pwr_info[i]; 419 420 snprintf(postfix, sizeof(postfix), "%i", i); 421 nvram_read_u8(prefix, postfix, "maxp2ga", 422 &pwr_info->maxpwr_2g, 0, fallback); 423 nvram_read_u8(prefix, postfix, "itt2ga", 424 &pwr_info->itssi_2g, 0, fallback); 425 nvram_read_u8(prefix, postfix, "itt5ga", 426 &pwr_info->itssi_5g, 0, fallback); 427 nvram_read_u16(prefix, postfix, "pa2gw0a", 428 &pwr_info->pa_2g[0], 0, fallback); 429 nvram_read_u16(prefix, postfix, "pa2gw1a", 430 &pwr_info->pa_2g[1], 0, fallback); 431 nvram_read_u16(prefix, postfix, "pa2gw2a", 432 &pwr_info->pa_2g[2], 0, fallback); 433 nvram_read_u8(prefix, postfix, "maxp5ga", 434 &pwr_info->maxpwr_5g, 0, fallback); 435 nvram_read_u8(prefix, postfix, "maxp5gha", 436 &pwr_info->maxpwr_5gh, 0, fallback); 437 nvram_read_u8(prefix, postfix, "maxp5gla", 438 &pwr_info->maxpwr_5gl, 0, fallback); 439 nvram_read_u16(prefix, postfix, "pa5gw0a", 440 &pwr_info->pa_5g[0], 0, fallback); 441 nvram_read_u16(prefix, postfix, "pa5gw1a", 442 &pwr_info->pa_5g[1], 0, fallback); 443 nvram_read_u16(prefix, postfix, "pa5gw2a", 444 &pwr_info->pa_5g[2], 0, fallback); 445 nvram_read_u16(prefix, postfix, "pa5glw0a", 446 &pwr_info->pa_5gl[0], 0, fallback); 447 nvram_read_u16(prefix, postfix, "pa5glw1a", 448 &pwr_info->pa_5gl[1], 0, fallback); 449 nvram_read_u16(prefix, postfix, "pa5glw2a", 450 &pwr_info->pa_5gl[2], 0, fallback); 451 nvram_read_u16(prefix, postfix, "pa5ghw0a", 452 &pwr_info->pa_5gh[0], 0, fallback); 453 nvram_read_u16(prefix, postfix, "pa5ghw1a", 454 &pwr_info->pa_5gh[1], 0, fallback); 455 nvram_read_u16(prefix, postfix, "pa5ghw2a", 456 &pwr_info->pa_5gh[2], 0, fallback); 457 } 458} 459 460static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom, 461 const char *prefix, bool fallback) 462{ 463 char postfix[2]; 464 int i; 465 466 for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { 467 struct ssb_sprom_core_pwr_info *pwr_info; 468 469 pwr_info = &sprom->core_pwr_info[i]; 470 471 snprintf(postfix, sizeof(postfix), "%i", i); 472 nvram_read_u16(prefix, postfix, "pa2gw3a", 473 &pwr_info->pa_2g[3], 0, fallback); 474 nvram_read_u16(prefix, postfix, "pa5gw3a", 475 &pwr_info->pa_5g[3], 0, fallback); 476 nvram_read_u16(prefix, postfix, "pa5glw3a", 477 &pwr_info->pa_5gl[3], 0, fallback); 478 nvram_read_u16(prefix, postfix, "pa5ghw3a", 479 &pwr_info->pa_5gh[3], 0, fallback); 480 } 481} 482 483static bool bcm47xx_is_valid_mac(u8 *mac) 484{ 485 return mac && !(mac[0] == 0x00 && mac[1] == 0x90 && mac[2] == 0x4c); 486} 487 488static int bcm47xx_increase_mac_addr(u8 *mac, u8 num) 489{ 490 u8 *oui = mac + ETH_ALEN/2 - 1; 491 u8 *p = mac + ETH_ALEN - 1; 492 493 do { 494 (*p) += num; 495 if (*p > num) 496 break; 497 p--; 498 num = 1; 499 } while (p != oui); 500 501 if (p == oui) { 502 pr_err("unable to fetch mac address\n"); 503 return -ENOENT; 504 } 505 return 0; 506} 507 508static int mac_addr_used = 2; 509 510static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, 511 const char *prefix, bool fallback) 512{ 513 bool fb = fallback; 514 515 nvram_read_macaddr(prefix, "et0macaddr", sprom->et0mac, fallback); 516 nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0, 517 fallback); 518 nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0, 519 fallback); 520 521 nvram_read_macaddr(prefix, "et1macaddr", sprom->et1mac, fallback); 522 nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0, 523 fallback); 524 nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0, 525 fallback); 526 527 nvram_read_macaddr(prefix, "et2macaddr", sprom->et2mac, fb); 528 nvram_read_u8(prefix, NULL, "et2mdcport", &sprom->et2mdcport, 0, fb); 529 nvram_read_u8(prefix, NULL, "et2phyaddr", &sprom->et2phyaddr, 0, fb); 530 531 nvram_read_macaddr(prefix, "macaddr", sprom->il0mac, fallback); 532 nvram_read_macaddr(prefix, "il0macaddr", sprom->il0mac, fallback); 533 534 /* The address prefix 00:90:4C is used by Broadcom in their initial 535 * configuration. When a mac address with the prefix 00:90:4C is used 536 * all devices from the same series are sharing the same mac address. 537 * To prevent mac address collisions we replace them with a mac address 538 * based on the base address. 539 */ 540 if (!bcm47xx_is_valid_mac(sprom->il0mac)) { 541 u8 mac[6]; 542 543 nvram_read_macaddr(NULL, "et0macaddr", mac, false); 544 if (bcm47xx_is_valid_mac(mac)) { 545 int err = bcm47xx_increase_mac_addr(mac, mac_addr_used); 546 547 if (!err) { 548 ether_addr_copy(sprom->il0mac, mac); 549 mac_addr_used++; 550 } 551 } 552 } 553} 554 555static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix, 556 bool fallback) 557{ 558 nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo, 559 &sprom->boardflags_hi, fallback); 560 nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo, 561 &sprom->boardflags2_hi, fallback); 562} 563 564void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix, 565 bool fallback) 566{ 567 bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback); 568 bcm47xx_fill_board_data(sprom, prefix, fallback); 569 570 nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback); 571 572 /* Entries requiring custom functions */ 573 nvram_read_alpha2(prefix, "ccode", sprom->alpha2, fallback); 574 if (sprom->revision >= 3) 575 nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time, 576 &sprom->leddc_off_time, fallback); 577 578 switch (sprom->revision) { 579 case 4: 580 case 5: 581 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); 582 bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback); 583 break; 584 case 8: 585 case 9: 586 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); 587 break; 588 } 589 590 bcm47xx_sprom_fill_auto(sprom, prefix, fallback); 591} 592 593#if IS_BUILTIN(CONFIG_SSB) && IS_ENABLED(CONFIG_SSB_SPROM) 594static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out) 595{ 596 char prefix[10]; 597 598 switch (bus->bustype) { 599 case SSB_BUSTYPE_SSB: 600 bcm47xx_fill_sprom(out, NULL, false); 601 return 0; 602 case SSB_BUSTYPE_PCI: 603 memset(out, 0, sizeof(struct ssb_sprom)); 604 snprintf(prefix, sizeof(prefix), "pci/%u/%u/", 605 bus->host_pci->bus->number + 1, 606 PCI_SLOT(bus->host_pci->devfn)); 607 bcm47xx_fill_sprom(out, prefix, false); 608 return 0; 609 default: 610 pr_warn("Unable to fill SPROM for given bustype.\n"); 611 return -EINVAL; 612 } 613} 614#endif 615 616#if IS_BUILTIN(CONFIG_BCMA) 617/* 618 * Having many NVRAM entries for PCI devices led to repeating prefixes like 619 * pci/1/1/ all the time and wasting flash space. So at some point Broadcom 620 * decided to introduce prefixes like 0: 1: 2: etc. 621 * If we find e.g. devpath0=pci/2/1 or devpath0=pci/2/1/ we should use 0: 622 * instead of pci/2/1/. 623 */ 624static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size) 625{ 626 size_t prefix_len = strlen(prefix); 627 size_t short_len = prefix_len - 1; 628 char nvram_var[10]; 629 char buf[20]; 630 int i; 631 632 /* Passed prefix has to end with a slash */ 633 if (prefix_len <= 0 || prefix[prefix_len - 1] != '/') 634 return; 635 636 for (i = 0; i < 3; i++) { 637 if (snprintf(nvram_var, sizeof(nvram_var), "devpath%d", i) <= 0) 638 continue; 639 if (bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf)) < 0) 640 continue; 641 if (!strcmp(buf, prefix) || 642 (short_len && strlen(buf) == short_len && !strncmp(buf, prefix, short_len))) { 643 snprintf(prefix, prefix_size, "%d:", i); 644 return; 645 } 646 } 647} 648 649static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) 650{ 651 struct bcma_boardinfo *binfo = &bus->boardinfo; 652 struct bcma_device *core; 653 char buf[10]; 654 char *prefix; 655 bool fallback = false; 656 657 switch (bus->hosttype) { 658 case BCMA_HOSTTYPE_PCI: 659 memset(out, 0, sizeof(struct ssb_sprom)); 660 /* On BCM47XX all PCI buses share the same domain */ 661 if (IS_ENABLED(CONFIG_BCM47XX)) 662 snprintf(buf, sizeof(buf), "pci/%u/%u/", 663 bus->host_pci->bus->number + 1, 664 PCI_SLOT(bus->host_pci->devfn)); 665 else 666 snprintf(buf, sizeof(buf), "pci/%u/%u/", 667 pci_domain_nr(bus->host_pci->bus) + 1, 668 bus->host_pci->bus->number); 669 bcm47xx_sprom_apply_prefix_alias(buf, sizeof(buf)); 670 prefix = buf; 671 break; 672 case BCMA_HOSTTYPE_SOC: 673 memset(out, 0, sizeof(struct ssb_sprom)); 674 core = bcma_find_core(bus, BCMA_CORE_80211); 675 if (core) { 676 snprintf(buf, sizeof(buf), "sb/%u/", 677 core->core_index); 678 prefix = buf; 679 fallback = true; 680 } else { 681 prefix = NULL; 682 } 683 break; 684 default: 685 pr_warn("Unable to fill SPROM for given bustype.\n"); 686 return -EINVAL; 687 } 688 689 nvram_read_u16(prefix, NULL, "boardvendor", &binfo->vendor, 0, true); 690 if (!binfo->vendor) 691 binfo->vendor = SSB_BOARDVENDOR_BCM; 692 nvram_read_u16(prefix, NULL, "boardtype", &binfo->type, 0, true); 693 694 bcm47xx_fill_sprom(out, prefix, fallback); 695 696 return 0; 697} 698#endif 699 700static unsigned int bcm47xx_sprom_registered; 701 702/* 703 * On bcm47xx we need to register SPROM fallback handler very early, so we can't 704 * use anything like platform device / driver for this. 705 */ 706int bcm47xx_sprom_register_fallbacks(void) 707{ 708 if (bcm47xx_sprom_registered) 709 return 0; 710 711#if IS_BUILTIN(CONFIG_SSB) && IS_ENABLED(CONFIG_SSB_SPROM) 712 if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb)) 713 pr_warn("Failed to register ssb SPROM handler\n"); 714#endif 715 716#if IS_BUILTIN(CONFIG_BCMA) 717 if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma)) 718 pr_warn("Failed to register bcma SPROM handler\n"); 719#endif 720 721 bcm47xx_sprom_registered = 1; 722 723 return 0; 724} 725 726fs_initcall(bcm47xx_sprom_register_fallbacks); 727