727 lines · 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 it9 * under the terms of the GNU General Public License as published by the10 * Free Software Foundation; either version 2 of the License, or (at your11 * option) any later version.12 *13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF22 * 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 along25 * 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 else46 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_VAL95 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 SPROM181 * revision. For every NVRAM to SPROM mapping it contains bitmask of revisions182 * for which the mapping is valid.183 * It obviously requires some hexadecimal/bitmasks knowledge, but allows184 * 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 initial535 * configuration. When a mac address with the prefix 00:90:4C is used536 * all devices from the same series are sharing the same mac address.537 * To prevent mac address collisions we replace them with a mac address538 * 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#endif615 616#if IS_BUILTIN(CONFIG_BCMA)617/*618 * Having many NVRAM entries for PCI devices led to repeating prefixes like619 * pci/1/1/ all the time and wasting flash space. So at some point Broadcom620 * 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 else666 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#endif699 700static unsigned int bcm47xx_sprom_registered;701 702/*703 * On bcm47xx we need to register SPROM fallback handler very early, so we can't704 * 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#endif715 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#endif720 721 bcm47xx_sprom_registered = 1;722 723 return 0;724}725 726fs_initcall(bcm47xx_sprom_register_fallbacks);727