| /* |
| * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org> |
| * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> |
| * Copyright (C) 2006 Michael Buesch <m@bues.ch> |
| * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org> |
| * Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/bcm47xx_nvram.h> |
| #include <linux/bcma/bcma.h> |
| #include <linux/etherdevice.h> |
| #include <linux/if_ether.h> |
| #include <linux/ssb/ssb.h> |
| |
| static void create_key(const char *prefix, const char *postfix, |
| const char *name, char *buf, int len) |
| { |
| if (prefix && postfix) |
| snprintf(buf, len, "%s%s%s", prefix, name, postfix); |
| else if (prefix) |
| snprintf(buf, len, "%s%s", prefix, name); |
| else if (postfix) |
| snprintf(buf, len, "%s%s", name, postfix); |
| else |
| snprintf(buf, len, "%s", name); |
| } |
| |
| static int get_nvram_var(const char *prefix, const char *postfix, |
| const char *name, char *buf, int len, bool fallback) |
| { |
| char key[40]; |
| int err; |
| |
| create_key(prefix, postfix, name, key, sizeof(key)); |
| |
| err = bcm47xx_nvram_getenv(key, buf, len); |
| if (fallback && err == -ENOENT && prefix) { |
| create_key(NULL, postfix, name, key, sizeof(key)); |
| err = bcm47xx_nvram_getenv(key, buf, len); |
| } |
| return err; |
| } |
| |
| #define NVRAM_READ_VAL(type) \ |
| static void nvram_read_ ## type(const char *prefix, \ |
| const char *postfix, const char *name, \ |
| type *val, type allset, bool fallback) \ |
| { \ |
| char buf[100]; \ |
| int err; \ |
| type var; \ |
| \ |
| err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf), \ |
| fallback); \ |
| if (err < 0) \ |
| return; \ |
| err = kstrto ## type(strim(buf), 0, &var); \ |
| if (err) { \ |
| pr_warn("can not parse nvram name %s%s%s with value %s got %i\n", \ |
| prefix, name, postfix, buf, err); \ |
| return; \ |
| } \ |
| if (allset && var == allset) \ |
| return; \ |
| *val = var; \ |
| } |
| |
| NVRAM_READ_VAL(u8) |
| NVRAM_READ_VAL(s8) |
| NVRAM_READ_VAL(u16) |
| NVRAM_READ_VAL(u32) |
| |
| #undef NVRAM_READ_VAL |
| |
| static void nvram_read_u32_2(const char *prefix, const char *name, |
| u16 *val_lo, u16 *val_hi, bool fallback) |
| { |
| char buf[100]; |
| int err; |
| u32 val; |
| |
| err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
| if (err < 0) |
| return; |
| err = kstrtou32(strim(buf), 0, &val); |
| if (err) { |
| pr_warn("can not parse nvram name %s%s with value %s got %i\n", |
| prefix, name, buf, err); |
| return; |
| } |
| *val_lo = (val & 0x0000FFFFU); |
| *val_hi = (val & 0xFFFF0000U) >> 16; |
| } |
| |
| static void nvram_read_leddc(const char *prefix, const char *name, |
| u8 *leddc_on_time, u8 *leddc_off_time, |
| bool fallback) |
| { |
| char buf[100]; |
| int err; |
| u32 val; |
| |
| err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
| if (err < 0) |
| return; |
| err = kstrtou32(strim(buf), 0, &val); |
| if (err) { |
| pr_warn("can not parse nvram name %s%s with value %s got %i\n", |
| prefix, name, buf, err); |
| return; |
| } |
| |
| if (val == 0xffff || val == 0xffffffff) |
| return; |
| |
| *leddc_on_time = val & 0xff; |
| *leddc_off_time = (val >> 16) & 0xff; |
| } |
| |
| static void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6]) |
| { |
| if (strchr(buf, ':')) |
| sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], |
| &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], |
| &macaddr[5]); |
| else if (strchr(buf, '-')) |
| sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0], |
| &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], |
| &macaddr[5]); |
| else |
| pr_warn("Can not parse mac address: %s\n", buf); |
| } |
| |
| static void nvram_read_macaddr(const char *prefix, const char *name, |
| u8 val[6], bool fallback) |
| { |
| char buf[100]; |
| int err; |
| |
| err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
| if (err < 0) |
| return; |
| |
| bcm47xx_nvram_parse_macaddr(buf, val); |
| } |
| |
| static void nvram_read_alpha2(const char *prefix, const char *name, |
| char val[2], bool fallback) |
| { |
| char buf[10]; |
| int err; |
| |
| err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
| if (err < 0) |
| return; |
| if (buf[0] == '0') |
| return; |
| if (strlen(buf) > 2) { |
| pr_warn("alpha2 is too long %s\n", buf); |
| return; |
| } |
| memcpy(val, buf, 2); |
| } |
| |
| /* This is one-function-only macro, it uses local "sprom" variable! */ |
| #define ENTRY(_revmask, _type, _prefix, _name, _val, _allset, _fallback) \ |
| if (_revmask & BIT(sprom->revision)) \ |
| nvram_read_ ## _type(_prefix, NULL, _name, &sprom->_val, \ |
| _allset, _fallback) |
| /* |
| * Special version of filling function that can be safely called for any SPROM |
| * revision. For every NVRAM to SPROM mapping it contains bitmask of revisions |
| * for which the mapping is valid. |
| * It obviously requires some hexadecimal/bitmasks knowledge, but allows |
| * writing cleaner code (easy revisions handling). |
| * Note that while SPROM revision 0 was never used, we still keep BIT(0) |
| * reserved for it, just to keep numbering sane. |
| */ |
| static void bcm47xx_sprom_fill_auto(struct ssb_sprom *sprom, |
| const char *prefix, bool fallback) |
| { |
| const char *pre = prefix; |
| bool fb = fallback; |
| |
| /* Broadcom extracts it for rev 8+ but it was found on 2 and 4 too */ |
| ENTRY(0xfffffffe, u16, pre, "devid", dev_id, 0, fallback); |
| |
| ENTRY(0xfffffffe, u16, pre, "boardrev", board_rev, 0, true); |
| ENTRY(0xfffffffe, u32, pre, "boardflags", boardflags, 0, fb); |
| ENTRY(0xfffffff0, u32, pre, "boardflags2", boardflags2, 0, fb); |
| ENTRY(0xfffff800, u32, pre, "boardflags3", boardflags3, 0, fb); |
| ENTRY(0x00000002, u16, pre, "boardflags", boardflags_lo, 0, fb); |
| ENTRY(0xfffffffc, u16, pre, "boardtype", board_type, 0, true); |
| ENTRY(0xfffffffe, u16, pre, "boardnum", board_num, 0, fb); |
| ENTRY(0x00000002, u8, pre, "cc", country_code, 0, fb); |
| ENTRY(0xfffffff8, u8, pre, "regrev", regrev, 0, fb); |
| |
| ENTRY(0xfffffffe, u8, pre, "ledbh0", gpio0, 0xff, fb); |
| ENTRY(0xfffffffe, u8, pre, "ledbh1", gpio1, 0xff, fb); |
| ENTRY(0xfffffffe, u8, pre, "ledbh2", gpio2, 0xff, fb); |
| ENTRY(0xfffffffe, u8, pre, "ledbh3", gpio3, 0xff, fb); |
| |
| ENTRY(0x0000070e, u16, pre, "pa0b0", pa0b0, 0, fb); |
| ENTRY(0x0000070e, u16, pre, "pa0b1", pa0b1, 0, fb); |
| ENTRY(0x0000070e, u16, pre, "pa0b2", pa0b2, 0, fb); |
| ENTRY(0x0000070e, u8, pre, "pa0itssit", itssi_bg, 0, fb); |
| ENTRY(0x0000070e, u8, pre, "pa0maxpwr", maxpwr_bg, 0, fb); |
| |
| ENTRY(0x0000070c, u8, pre, "opo", opo, 0, fb); |
| ENTRY(0xfffffffe, u8, pre, "aa2g", ant_available_bg, 0, fb); |
| ENTRY(0xfffffffe, u8, pre, "aa5g", ant_available_a, 0, fb); |
| ENTRY(0x000007fe, s8, pre, "ag0", antenna_gain.a0, 0, fb); |
| ENTRY(0x000007fe, s8, pre, "ag1", antenna_gain.a1, 0, fb); |
| ENTRY(0x000007f0, s8, pre, "ag2", antenna_gain.a2, 0, fb); |
| ENTRY(0x000007f0, s8, pre, "ag3", antenna_gain.a3, 0, fb); |
| |
| ENTRY(0x0000070e, u16, pre, "pa1b0", pa1b0, 0, fb); |
| ENTRY(0x0000070e, u16, pre, "pa1b1", pa1b1, 0, fb); |
| ENTRY(0x0000070e, u16, pre, "pa1b2", pa1b2, 0, fb); |
| ENTRY(0x0000070c, u16, pre, "pa1lob0", pa1lob0, 0, fb); |
| ENTRY(0x0000070c, u16, pre, "pa1lob1", pa1lob1, 0, fb); |
| ENTRY(0x0000070c, u16, pre, "pa1lob2", pa1lob2, 0, fb); |
| ENTRY(0x0000070c, u16, pre, "pa1hib0", pa1hib0, 0, fb); |
| ENTRY(0x0000070c, u16, pre, "pa1hib1", pa1hib1, 0, fb); |
| ENTRY(0x0000070c, u16, pre, "pa1hib2", pa1hib2, 0, fb); |
| ENTRY(0x0000070e, u8, pre, "pa1itssit", itssi_a, 0, fb); |
| ENTRY(0x0000070e, u8, pre, "pa1maxpwr", maxpwr_a, 0, fb); |
| ENTRY(0x0000070c, u8, pre, "pa1lomaxpwr", maxpwr_al, 0, fb); |
| ENTRY(0x0000070c, u8, pre, "pa1himaxpwr", maxpwr_ah, 0, fb); |
| |
| ENTRY(0x00000708, u8, pre, "bxa2g", bxa2g, 0, fb); |
| ENTRY(0x00000708, u8, pre, "rssisav2g", rssisav2g, 0, fb); |
| ENTRY(0x00000708, u8, pre, "rssismc2g", rssismc2g, 0, fb); |
| ENTRY(0x00000708, u8, pre, "rssismf2g", rssismf2g, 0, fb); |
| ENTRY(0x00000708, u8, pre, "bxa5g", bxa5g, 0, fb); |
| ENTRY(0x00000708, u8, pre, "rssisav5g", rssisav5g, 0, fb); |
| ENTRY(0x00000708, u8, pre, "rssismc5g", rssismc5g, 0, fb); |
| ENTRY(0x00000708, u8, pre, "rssismf5g", rssismf5g, 0, fb); |
| ENTRY(0x00000708, u8, pre, "tri2g", tri2g, 0, fb); |
| ENTRY(0x00000708, u8, pre, "tri5g", tri5g, 0, fb); |
| ENTRY(0x00000708, u8, pre, "tri5gl", tri5gl, 0, fb); |
| ENTRY(0x00000708, u8, pre, "tri5gh", tri5gh, 0, fb); |
| ENTRY(0x00000708, s8, pre, "rxpo2g", rxpo2g, 0, fb); |
| ENTRY(0x00000708, s8, pre, "rxpo5g", rxpo5g, 0, fb); |
| ENTRY(0xfffffff0, u8, pre, "txchain", txchain, 0xf, fb); |
| ENTRY(0xfffffff0, u8, pre, "rxchain", rxchain, 0xf, fb); |
| ENTRY(0xfffffff0, u8, pre, "antswitch", antswitch, 0xff, fb); |
| ENTRY(0x00000700, u8, pre, "tssipos2g", fem.ghz2.tssipos, 0, fb); |
| ENTRY(0x00000700, u8, pre, "extpagain2g", fem.ghz2.extpa_gain, 0, fb); |
| ENTRY(0x00000700, u8, pre, "pdetrange2g", fem.ghz2.pdet_range, 0, fb); |
| ENTRY(0x00000700, u8, pre, "triso2g", fem.ghz2.tr_iso, 0, fb); |
| ENTRY(0x00000700, u8, pre, "antswctl2g", fem.ghz2.antswlut, 0, fb); |
| ENTRY(0x00000700, u8, pre, "tssipos5g", fem.ghz5.tssipos, 0, fb); |
| ENTRY(0x00000700, u8, pre, "extpagain5g", fem.ghz5.extpa_gain, 0, fb); |
| ENTRY(0x00000700, u8, pre, "pdetrange5g", fem.ghz5.pdet_range, 0, fb); |
| ENTRY(0x00000700, u8, pre, "triso5g", fem.ghz5.tr_iso, 0, fb); |
| ENTRY(0x00000700, u8, pre, "antswctl5g", fem.ghz5.antswlut, 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid2ga0", txpid2g[0], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid2ga1", txpid2g[1], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid2ga2", txpid2g[2], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid2ga3", txpid2g[3], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5ga0", txpid5g[0], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5ga1", txpid5g[1], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5ga2", txpid5g[2], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5ga3", txpid5g[3], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5gla0", txpid5gl[0], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5gla1", txpid5gl[1], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5gla2", txpid5gl[2], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5gla3", txpid5gl[3], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5gha0", txpid5gh[0], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5gha1", txpid5gh[1], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5gha2", txpid5gh[2], 0, fb); |
| ENTRY(0x000000f0, u8, pre, "txpid5gha3", txpid5gh[3], 0, fb); |
| |
| ENTRY(0xffffff00, u8, pre, "tempthresh", tempthresh, 0, fb); |
| ENTRY(0xffffff00, u8, pre, "tempoffset", tempoffset, 0, fb); |
| ENTRY(0xffffff00, u16, pre, "rawtempsense", rawtempsense, 0, fb); |
| ENTRY(0xffffff00, u8, pre, "measpower", measpower, 0, fb); |
| ENTRY(0xffffff00, u8, pre, "tempsense_slope", tempsense_slope, 0, fb); |
| ENTRY(0xffffff00, u8, pre, "tempcorrx", tempcorrx, 0, fb); |
| ENTRY(0xffffff00, u8, pre, "tempsense_option", tempsense_option, 0, fb); |
| ENTRY(0x00000700, u8, pre, "freqoffset_corr", freqoffset_corr, 0, fb); |
| ENTRY(0x00000700, u8, pre, "iqcal_swp_dis", iqcal_swp_dis, 0, fb); |
| ENTRY(0x00000700, u8, pre, "hw_iqcal_en", hw_iqcal_en, 0, fb); |
| ENTRY(0x00000700, u8, pre, "elna2g", elna2g, 0, fb); |
| ENTRY(0x00000700, u8, pre, "elna5g", elna5g, 0, fb); |
| ENTRY(0xffffff00, u8, pre, "phycal_tempdelta", phycal_tempdelta, 0, fb); |
| ENTRY(0xffffff00, u8, pre, "temps_period", temps_period, 0, fb); |
| ENTRY(0xffffff00, u8, pre, "temps_hysteresis", temps_hysteresis, 0, fb); |
| ENTRY(0xffffff00, u8, pre, "measpower1", measpower1, 0, fb); |
| ENTRY(0xffffff00, u8, pre, "measpower2", measpower2, 0, fb); |
| |
| ENTRY(0x000001f0, u16, pre, "cck2gpo", cck2gpo, 0, fb); |
| ENTRY(0x000001f0, u32, pre, "ofdm2gpo", ofdm2gpo, 0, fb); |
| ENTRY(0x000001f0, u32, pre, "ofdm5gpo", ofdm5gpo, 0, fb); |
| ENTRY(0x000001f0, u32, pre, "ofdm5glpo", ofdm5glpo, 0, fb); |
| ENTRY(0x000001f0, u32, pre, "ofdm5ghpo", ofdm5ghpo, 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs2gpo0", mcs2gpo[0], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs2gpo1", mcs2gpo[1], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs2gpo2", mcs2gpo[2], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs2gpo3", mcs2gpo[3], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs2gpo4", mcs2gpo[4], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs2gpo5", mcs2gpo[5], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs2gpo6", mcs2gpo[6], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs2gpo7", mcs2gpo[7], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5gpo0", mcs5gpo[0], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5gpo1", mcs5gpo[1], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5gpo2", mcs5gpo[2], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5gpo3", mcs5gpo[3], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5gpo4", mcs5gpo[4], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5gpo5", mcs5gpo[5], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5gpo6", mcs5gpo[6], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5gpo7", mcs5gpo[7], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5glpo0", mcs5glpo[0], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5glpo1", mcs5glpo[1], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5glpo2", mcs5glpo[2], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5glpo3", mcs5glpo[3], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5glpo4", mcs5glpo[4], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5glpo5", mcs5glpo[5], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5glpo6", mcs5glpo[6], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5glpo7", mcs5glpo[7], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5ghpo0", mcs5ghpo[0], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5ghpo1", mcs5ghpo[1], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5ghpo2", mcs5ghpo[2], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5ghpo3", mcs5ghpo[3], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5ghpo4", mcs5ghpo[4], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5ghpo5", mcs5ghpo[5], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5ghpo6", mcs5ghpo[6], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "mcs5ghpo7", mcs5ghpo[7], 0, fb); |
| ENTRY(0x000001f0, u16, pre, "cddpo", cddpo, 0, fb); |
| ENTRY(0x000001f0, u16, pre, "stbcpo", stbcpo, 0, fb); |
| ENTRY(0x000001f0, u16, pre, "bw40po", bw40po, 0, fb); |
| ENTRY(0x000001f0, u16, pre, "bwduppo", bwduppo, 0, fb); |
| |
| ENTRY(0xfffffe00, u16, pre, "cckbw202gpo", cckbw202gpo, 0, fb); |
| ENTRY(0xfffffe00, u16, pre, "cckbw20ul2gpo", cckbw20ul2gpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "legofdmbw202gpo", legofdmbw202gpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "legofdmbw20ul2gpo", legofdmbw20ul2gpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "legofdmbw205glpo", legofdmbw205glpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "legofdmbw20ul5glpo", legofdmbw20ul5glpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "legofdmbw205gmpo", legofdmbw205gmpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "legofdmbw20ul5gmpo", legofdmbw20ul5gmpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "legofdmbw205ghpo", legofdmbw205ghpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "legofdmbw20ul5ghpo", legofdmbw20ul5ghpo, 0, fb); |
| ENTRY(0xfffffe00, u32, pre, "mcsbw202gpo", mcsbw202gpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "mcsbw20ul2gpo", mcsbw20ul2gpo, 0, fb); |
| ENTRY(0xfffffe00, u32, pre, "mcsbw402gpo", mcsbw402gpo, 0, fb); |
| ENTRY(0xfffffe00, u32, pre, "mcsbw205glpo", mcsbw205glpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "mcsbw20ul5glpo", mcsbw20ul5glpo, 0, fb); |
| ENTRY(0xfffffe00, u32, pre, "mcsbw405glpo", mcsbw405glpo, 0, fb); |
| ENTRY(0xfffffe00, u32, pre, "mcsbw205gmpo", mcsbw205gmpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "mcsbw20ul5gmpo", mcsbw20ul5gmpo, 0, fb); |
| ENTRY(0xfffffe00, u32, pre, "mcsbw405gmpo", mcsbw405gmpo, 0, fb); |
| ENTRY(0xfffffe00, u32, pre, "mcsbw205ghpo", mcsbw205ghpo, 0, fb); |
| ENTRY(0x00000600, u32, pre, "mcsbw20ul5ghpo", mcsbw20ul5ghpo, 0, fb); |
| ENTRY(0xfffffe00, u32, pre, "mcsbw405ghpo", mcsbw405ghpo, 0, fb); |
| ENTRY(0x00000600, u16, pre, "mcs32po", mcs32po, 0, fb); |
| ENTRY(0x00000600, u16, pre, "legofdm40duppo", legofdm40duppo, 0, fb); |
| ENTRY(0x00000700, u8, pre, "pcieingress_war", pcieingress_war, 0, fb); |
| |
| /* TODO: rev 11 support */ |
| ENTRY(0x00000700, u8, pre, "rxgainerr2ga0", rxgainerr2ga[0], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr2ga1", rxgainerr2ga[1], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr2ga2", rxgainerr2ga[2], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gla0", rxgainerr5gla[0], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gla1", rxgainerr5gla[1], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gla2", rxgainerr5gla[2], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gma0", rxgainerr5gma[0], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gma1", rxgainerr5gma[1], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gma2", rxgainerr5gma[2], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gha0", rxgainerr5gha[0], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gha1", rxgainerr5gha[1], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gha2", rxgainerr5gha[2], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gua0", rxgainerr5gua[0], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gua1", rxgainerr5gua[1], 0, fb); |
| ENTRY(0x00000700, u8, pre, "rxgainerr5gua2", rxgainerr5gua[2], 0, fb); |
| |
| ENTRY(0xfffffe00, u8, pre, "sar2g", sar2g, 0, fb); |
| ENTRY(0xfffffe00, u8, pre, "sar5g", sar5g, 0, fb); |
| |
| /* TODO: rev 11 support */ |
| ENTRY(0x00000700, u8, pre, "noiselvl2ga0", noiselvl2ga[0], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl2ga1", noiselvl2ga[1], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl2ga2", noiselvl2ga[2], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gla0", noiselvl5gla[0], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gla1", noiselvl5gla[1], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gla2", noiselvl5gla[2], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gma0", noiselvl5gma[0], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gma1", noiselvl5gma[1], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gma2", noiselvl5gma[2], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gha0", noiselvl5gha[0], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gha1", noiselvl5gha[1], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gha2", noiselvl5gha[2], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gua0", noiselvl5gua[0], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gua1", noiselvl5gua[1], 0, fb); |
| ENTRY(0x00000700, u8, pre, "noiselvl5gua2", noiselvl5gua[2], 0, fb); |
| } |
| #undef ENTRY /* It's specififc, uses local variable, don't use it (again). */ |
| |
| static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom, |
| const char *prefix, bool fallback) |
| { |
| char postfix[2]; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { |
| struct ssb_sprom_core_pwr_info *pwr_info; |
| |
| pwr_info = &sprom->core_pwr_info[i]; |
| |
| snprintf(postfix, sizeof(postfix), "%i", i); |
| nvram_read_u8(prefix, postfix, "maxp2ga", |
| &pwr_info->maxpwr_2g, 0, fallback); |
| nvram_read_u8(prefix, postfix, "itt2ga", |
| &pwr_info->itssi_2g, 0, fallback); |
| nvram_read_u8(prefix, postfix, "itt5ga", |
| &pwr_info->itssi_5g, 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa2gw0a", |
| &pwr_info->pa_2g[0], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa2gw1a", |
| &pwr_info->pa_2g[1], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa2gw2a", |
| &pwr_info->pa_2g[2], 0, fallback); |
| nvram_read_u8(prefix, postfix, "maxp5ga", |
| &pwr_info->maxpwr_5g, 0, fallback); |
| nvram_read_u8(prefix, postfix, "maxp5gha", |
| &pwr_info->maxpwr_5gh, 0, fallback); |
| nvram_read_u8(prefix, postfix, "maxp5gla", |
| &pwr_info->maxpwr_5gl, 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5gw0a", |
| &pwr_info->pa_5g[0], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5gw1a", |
| &pwr_info->pa_5g[1], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5gw2a", |
| &pwr_info->pa_5g[2], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5glw0a", |
| &pwr_info->pa_5gl[0], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5glw1a", |
| &pwr_info->pa_5gl[1], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5glw2a", |
| &pwr_info->pa_5gl[2], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5ghw0a", |
| &pwr_info->pa_5gh[0], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5ghw1a", |
| &pwr_info->pa_5gh[1], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5ghw2a", |
| &pwr_info->pa_5gh[2], 0, fallback); |
| } |
| } |
| |
| static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom, |
| const char *prefix, bool fallback) |
| { |
| char postfix[2]; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { |
| struct ssb_sprom_core_pwr_info *pwr_info; |
| |
| pwr_info = &sprom->core_pwr_info[i]; |
| |
| snprintf(postfix, sizeof(postfix), "%i", i); |
| nvram_read_u16(prefix, postfix, "pa2gw3a", |
| &pwr_info->pa_2g[3], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5gw3a", |
| &pwr_info->pa_5g[3], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5glw3a", |
| &pwr_info->pa_5gl[3], 0, fallback); |
| nvram_read_u16(prefix, postfix, "pa5ghw3a", |
| &pwr_info->pa_5gh[3], 0, fallback); |
| } |
| } |
| |
| static bool bcm47xx_is_valid_mac(u8 *mac) |
| { |
| return mac && !(mac[0] == 0x00 && mac[1] == 0x90 && mac[2] == 0x4c); |
| } |
| |
| static int bcm47xx_increase_mac_addr(u8 *mac, u8 num) |
| { |
| u8 *oui = mac + ETH_ALEN/2 - 1; |
| u8 *p = mac + ETH_ALEN - 1; |
| |
| do { |
| (*p) += num; |
| if (*p > num) |
| break; |
| p--; |
| num = 1; |
| } while (p != oui); |
| |
| if (p == oui) { |
| pr_err("unable to fetch mac address\n"); |
| return -ENOENT; |
| } |
| return 0; |
| } |
| |
| static int mac_addr_used = 2; |
| |
| static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, |
| const char *prefix, bool fallback) |
| { |
| bool fb = fallback; |
| |
| nvram_read_macaddr(prefix, "et0macaddr", sprom->et0mac, fallback); |
| nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0, |
| fallback); |
| nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0, |
| fallback); |
| |
| nvram_read_macaddr(prefix, "et1macaddr", sprom->et1mac, fallback); |
| nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0, |
| fallback); |
| nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0, |
| fallback); |
| |
| nvram_read_macaddr(prefix, "et2macaddr", sprom->et2mac, fb); |
| nvram_read_u8(prefix, NULL, "et2mdcport", &sprom->et2mdcport, 0, fb); |
| nvram_read_u8(prefix, NULL, "et2phyaddr", &sprom->et2phyaddr, 0, fb); |
| |
| nvram_read_macaddr(prefix, "macaddr", sprom->il0mac, fallback); |
| nvram_read_macaddr(prefix, "il0macaddr", sprom->il0mac, fallback); |
| |
| /* The address prefix 00:90:4C is used by Broadcom in their initial |
| * configuration. When a mac address with the prefix 00:90:4C is used |
| * all devices from the same series are sharing the same mac address. |
| * To prevent mac address collisions we replace them with a mac address |
| * based on the base address. |
| */ |
| if (!bcm47xx_is_valid_mac(sprom->il0mac)) { |
| u8 mac[6]; |
| |
| nvram_read_macaddr(NULL, "et0macaddr", mac, false); |
| if (bcm47xx_is_valid_mac(mac)) { |
| int err = bcm47xx_increase_mac_addr(mac, mac_addr_used); |
| |
| if (!err) { |
| ether_addr_copy(sprom->il0mac, mac); |
| mac_addr_used++; |
| } |
| } |
| } |
| } |
| |
| static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix, |
| bool fallback) |
| { |
| nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo, |
| &sprom->boardflags_hi, fallback); |
| nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo, |
| &sprom->boardflags2_hi, fallback); |
| } |
| |
| void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix, |
| bool fallback) |
| { |
| bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback); |
| bcm47xx_fill_board_data(sprom, prefix, fallback); |
| |
| nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback); |
| |
| /* Entries requiring custom functions */ |
| nvram_read_alpha2(prefix, "ccode", sprom->alpha2, fallback); |
| if (sprom->revision >= 3) |
| nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time, |
| &sprom->leddc_off_time, fallback); |
| |
| switch (sprom->revision) { |
| case 4: |
| case 5: |
| bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); |
| bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback); |
| break; |
| case 8: |
| case 9: |
| bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); |
| break; |
| } |
| |
| bcm47xx_sprom_fill_auto(sprom, prefix, fallback); |
| } |
| |
| #if IS_BUILTIN(CONFIG_SSB) && IS_ENABLED(CONFIG_SSB_SPROM) |
| static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out) |
| { |
| char prefix[10]; |
| |
| switch (bus->bustype) { |
| case SSB_BUSTYPE_SSB: |
| bcm47xx_fill_sprom(out, NULL, false); |
| return 0; |
| case SSB_BUSTYPE_PCI: |
| memset(out, 0, sizeof(struct ssb_sprom)); |
| snprintf(prefix, sizeof(prefix), "pci/%u/%u/", |
| bus->host_pci->bus->number + 1, |
| PCI_SLOT(bus->host_pci->devfn)); |
| bcm47xx_fill_sprom(out, prefix, false); |
| return 0; |
| default: |
| pr_warn("Unable to fill SPROM for given bustype.\n"); |
| return -EINVAL; |
| } |
| } |
| #endif |
| |
| #if IS_BUILTIN(CONFIG_BCMA) |
| /* |
| * Having many NVRAM entries for PCI devices led to repeating prefixes like |
| * pci/1/1/ all the time and wasting flash space. So at some point Broadcom |
| * decided to introduce prefixes like 0: 1: 2: etc. |
| * If we find e.g. devpath0=pci/2/1 or devpath0=pci/2/1/ we should use 0: |
| * instead of pci/2/1/. |
| */ |
| static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size) |
| { |
| size_t prefix_len = strlen(prefix); |
| size_t short_len = prefix_len - 1; |
| char nvram_var[10]; |
| char buf[20]; |
| int i; |
| |
| /* Passed prefix has to end with a slash */ |
| if (prefix_len <= 0 || prefix[prefix_len - 1] != '/') |
| return; |
| |
| for (i = 0; i < 3; i++) { |
| if (snprintf(nvram_var, sizeof(nvram_var), "devpath%d", i) <= 0) |
| continue; |
| if (bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf)) < 0) |
| continue; |
| if (!strcmp(buf, prefix) || |
| (short_len && strlen(buf) == short_len && !strncmp(buf, prefix, short_len))) { |
| snprintf(prefix, prefix_size, "%d:", i); |
| return; |
| } |
| } |
| } |
| |
| static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) |
| { |
| struct bcma_boardinfo *binfo = &bus->boardinfo; |
| struct bcma_device *core; |
| char buf[10]; |
| char *prefix; |
| bool fallback = false; |
| |
| switch (bus->hosttype) { |
| case BCMA_HOSTTYPE_PCI: |
| memset(out, 0, sizeof(struct ssb_sprom)); |
| /* On BCM47XX all PCI buses share the same domain */ |
| if (config_enabled(CONFIG_BCM47XX)) |
| snprintf(buf, sizeof(buf), "pci/%u/%u/", |
| bus->host_pci->bus->number + 1, |
| PCI_SLOT(bus->host_pci->devfn)); |
| else |
| snprintf(buf, sizeof(buf), "pci/%u/%u/", |
| pci_domain_nr(bus->host_pci->bus) + 1, |
| bus->host_pci->bus->number); |
| bcm47xx_sprom_apply_prefix_alias(buf, sizeof(buf)); |
| prefix = buf; |
| break; |
| case BCMA_HOSTTYPE_SOC: |
| memset(out, 0, sizeof(struct ssb_sprom)); |
| core = bcma_find_core(bus, BCMA_CORE_80211); |
| if (core) { |
| snprintf(buf, sizeof(buf), "sb/%u/", |
| core->core_index); |
| prefix = buf; |
| fallback = true; |
| } else { |
| prefix = NULL; |
| } |
| break; |
| default: |
| pr_warn("Unable to fill SPROM for given bustype.\n"); |
| return -EINVAL; |
| } |
| |
| nvram_read_u16(prefix, NULL, "boardvendor", &binfo->vendor, 0, true); |
| if (!binfo->vendor) |
| binfo->vendor = SSB_BOARDVENDOR_BCM; |
| nvram_read_u16(prefix, NULL, "boardtype", &binfo->type, 0, true); |
| |
| bcm47xx_fill_sprom(out, prefix, fallback); |
| |
| return 0; |
| } |
| #endif |
| |
| static unsigned int bcm47xx_sprom_registered; |
| |
| /* |
| * On bcm47xx we need to register SPROM fallback handler very early, so we can't |
| * use anything like platform device / driver for this. |
| */ |
| int bcm47xx_sprom_register_fallbacks(void) |
| { |
| if (bcm47xx_sprom_registered) |
| return 0; |
| |
| #if IS_BUILTIN(CONFIG_SSB) && IS_ENABLED(CONFIG_SSB_SPROM) |
| if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb)) |
| pr_warn("Failed to register ssb SPROM handler\n"); |
| #endif |
| |
| #if IS_BUILTIN(CONFIG_BCMA) |
| if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma)) |
| pr_warn("Failed to register bcma SPROM handler\n"); |
| #endif |
| |
| bcm47xx_sprom_registered = 1; |
| |
| return 0; |
| } |
| |
| fs_initcall(bcm47xx_sprom_register_fallbacks); |
