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019eee2e HM |
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 | ||
2ab71a02 | 29 | #include <linux/bcm47xx_nvram.h> |
d92aabca | 30 | #include <linux/bcm47xx_sprom.h> |
2ab71a02 | 31 | #include <linux/bcma/bcma.h> |
103c0bf3 | 32 | #include <linux/etherdevice.h> |
2ab71a02 RM |
33 | #include <linux/if_ether.h> |
34 | #include <linux/ssb/ssb.h> | |
019eee2e HM |
35 | |
36 | static 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 | ||
b8ebbaff HM |
49 | static 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 | ||
111bd981 | 57 | err = bcm47xx_nvram_getenv(key, buf, len); |
ee7e2f3c | 58 | if (fallback && err == -ENOENT && prefix) { |
b8ebbaff | 59 | create_key(NULL, postfix, name, key, sizeof(key)); |
111bd981 | 60 | err = bcm47xx_nvram_getenv(key, buf, len); |
b8ebbaff HM |
61 | } |
62 | return err; | |
63 | } | |
64 | ||
019eee2e | 65 | #define NVRAM_READ_VAL(type) \ |
2f94acde RM |
66 | static void nvram_read_ ## type(const char *prefix, \ |
67 | const char *postfix, const char *name, \ | |
68 | type *val, type allset, bool fallback) \ | |
019eee2e HM |
69 | { \ |
70 | char buf[100]; \ | |
019eee2e HM |
71 | int err; \ |
72 | type var; \ | |
73 | \ | |
b8ebbaff HM |
74 | err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf), \ |
75 | fallback); \ | |
019eee2e HM |
76 | if (err < 0) \ |
77 | return; \ | |
924ffb7d | 78 | err = kstrto ## type(strim(buf), 0, &var); \ |
019eee2e | 79 | if (err) { \ |
b8ebbaff HM |
80 | pr_warn("can not parse nvram name %s%s%s with value %s got %i\n", \ |
81 | prefix, name, postfix, buf, err); \ | |
019eee2e HM |
82 | return; \ |
83 | } \ | |
84 | if (allset && var == allset) \ | |
85 | return; \ | |
86 | *val = var; \ | |
87 | } | |
88 | ||
89 | NVRAM_READ_VAL(u8) | |
90 | NVRAM_READ_VAL(s8) | |
91 | NVRAM_READ_VAL(u16) | |
92 | NVRAM_READ_VAL(u32) | |
93 | ||
94 | #undef NVRAM_READ_VAL | |
95 | ||
96 | static void nvram_read_u32_2(const char *prefix, const char *name, | |
b8ebbaff | 97 | u16 *val_lo, u16 *val_hi, bool fallback) |
019eee2e HM |
98 | { |
99 | char buf[100]; | |
019eee2e HM |
100 | int err; |
101 | u32 val; | |
102 | ||
b8ebbaff | 103 | err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
019eee2e HM |
104 | if (err < 0) |
105 | return; | |
924ffb7d | 106 | err = kstrtou32(strim(buf), 0, &val); |
019eee2e | 107 | if (err) { |
b8ebbaff HM |
108 | pr_warn("can not parse nvram name %s%s with value %s got %i\n", |
109 | prefix, name, buf, err); | |
019eee2e HM |
110 | return; |
111 | } | |
112 | *val_lo = (val & 0x0000FFFFU); | |
113 | *val_hi = (val & 0xFFFF0000U) >> 16; | |
114 | } | |
115 | ||
116 | static void nvram_read_leddc(const char *prefix, const char *name, | |
b8ebbaff HM |
117 | u8 *leddc_on_time, u8 *leddc_off_time, |
118 | bool fallback) | |
019eee2e HM |
119 | { |
120 | char buf[100]; | |
019eee2e HM |
121 | int err; |
122 | u32 val; | |
123 | ||
b8ebbaff | 124 | err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
019eee2e HM |
125 | if (err < 0) |
126 | return; | |
924ffb7d | 127 | err = kstrtou32(strim(buf), 0, &val); |
019eee2e | 128 | if (err) { |
b8ebbaff HM |
129 | pr_warn("can not parse nvram name %s%s with value %s got %i\n", |
130 | prefix, name, buf, err); | |
019eee2e HM |
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 | ||
141 | static void nvram_read_macaddr(const char *prefix, const char *name, | |
710d86f8 | 142 | u8 val[6], bool fallback) |
019eee2e HM |
143 | { |
144 | char buf[100]; | |
019eee2e HM |
145 | int err; |
146 | ||
b8ebbaff | 147 | err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
019eee2e HM |
148 | if (err < 0) |
149 | return; | |
b8ebbaff | 150 | |
4d73b73f AS |
151 | strreplace(buf, '-', ':'); |
152 | if (!mac_pton(buf, val)) | |
153 | pr_warn("Can not parse mac address: %s\n", buf); | |
019eee2e HM |
154 | } |
155 | ||
156 | static void nvram_read_alpha2(const char *prefix, const char *name, | |
710d86f8 | 157 | char val[2], bool fallback) |
019eee2e HM |
158 | { |
159 | char buf[10]; | |
019eee2e HM |
160 | int err; |
161 | ||
b8ebbaff | 162 | err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
019eee2e HM |
163 | if (err < 0) |
164 | return; | |
165 | if (buf[0] == '0') | |
166 | return; | |
167 | if (strlen(buf) > 2) { | |
b8ebbaff | 168 | pr_warn("alpha2 is too long %s\n", buf); |
019eee2e HM |
169 | return; |
170 | } | |
710d86f8 | 171 | memcpy(val, buf, 2); |
019eee2e HM |
172 | } |
173 | ||
d55a52cc RM |
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 | */ | |
188 | static 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 | ||
590605c6 RM |
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 | ||
d55a52cc | 197 | ENTRY(0xfffffffe, u16, pre, "boardrev", board_rev, 0, true); |
1387fe7d RM |
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); | |
e754dfcf RM |
201 | ENTRY(0x00000002, u16, pre, "boardflags", boardflags_lo, 0, fb); |
202 | ENTRY(0xfffffffc, u16, pre, "boardtype", board_type, 0, true); | |
d55a52cc | 203 | ENTRY(0xfffffffe, u16, pre, "boardnum", board_num, 0, fb); |
e754dfcf RM |
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); | |
d55a52cc RM |
406 | } |
407 | #undef ENTRY /* It's specififc, uses local variable, don't use it (again). */ | |
408 | ||
019eee2e | 409 | static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom, |
b8ebbaff | 410 | const char *prefix, bool fallback) |
019eee2e HM |
411 | { |
412 | char postfix[2]; | |
413 | int i; | |
414 | ||
415 | for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { | |
2f94acde RM |
416 | struct ssb_sprom_core_pwr_info *pwr_info; |
417 | ||
418 | pwr_info = &sprom->core_pwr_info[i]; | |
419 | ||
019eee2e HM |
420 | snprintf(postfix, sizeof(postfix), "%i", i); |
421 | nvram_read_u8(prefix, postfix, "maxp2ga", | |
b8ebbaff | 422 | &pwr_info->maxpwr_2g, 0, fallback); |
019eee2e | 423 | nvram_read_u8(prefix, postfix, "itt2ga", |
b8ebbaff | 424 | &pwr_info->itssi_2g, 0, fallback); |
019eee2e | 425 | nvram_read_u8(prefix, postfix, "itt5ga", |
b8ebbaff | 426 | &pwr_info->itssi_5g, 0, fallback); |
019eee2e | 427 | nvram_read_u16(prefix, postfix, "pa2gw0a", |
b8ebbaff | 428 | &pwr_info->pa_2g[0], 0, fallback); |
019eee2e | 429 | nvram_read_u16(prefix, postfix, "pa2gw1a", |
b8ebbaff | 430 | &pwr_info->pa_2g[1], 0, fallback); |
019eee2e | 431 | nvram_read_u16(prefix, postfix, "pa2gw2a", |
b8ebbaff | 432 | &pwr_info->pa_2g[2], 0, fallback); |
019eee2e | 433 | nvram_read_u8(prefix, postfix, "maxp5ga", |
b8ebbaff | 434 | &pwr_info->maxpwr_5g, 0, fallback); |
019eee2e | 435 | nvram_read_u8(prefix, postfix, "maxp5gha", |
b8ebbaff | 436 | &pwr_info->maxpwr_5gh, 0, fallback); |
019eee2e | 437 | nvram_read_u8(prefix, postfix, "maxp5gla", |
b8ebbaff | 438 | &pwr_info->maxpwr_5gl, 0, fallback); |
019eee2e | 439 | nvram_read_u16(prefix, postfix, "pa5gw0a", |
b8ebbaff | 440 | &pwr_info->pa_5g[0], 0, fallback); |
019eee2e | 441 | nvram_read_u16(prefix, postfix, "pa5gw1a", |
b8ebbaff | 442 | &pwr_info->pa_5g[1], 0, fallback); |
019eee2e | 443 | nvram_read_u16(prefix, postfix, "pa5gw2a", |
b8ebbaff | 444 | &pwr_info->pa_5g[2], 0, fallback); |
019eee2e | 445 | nvram_read_u16(prefix, postfix, "pa5glw0a", |
b8ebbaff | 446 | &pwr_info->pa_5gl[0], 0, fallback); |
019eee2e | 447 | nvram_read_u16(prefix, postfix, "pa5glw1a", |
b8ebbaff | 448 | &pwr_info->pa_5gl[1], 0, fallback); |
019eee2e | 449 | nvram_read_u16(prefix, postfix, "pa5glw2a", |
b8ebbaff | 450 | &pwr_info->pa_5gl[2], 0, fallback); |
019eee2e | 451 | nvram_read_u16(prefix, postfix, "pa5ghw0a", |
b8ebbaff | 452 | &pwr_info->pa_5gh[0], 0, fallback); |
019eee2e | 453 | nvram_read_u16(prefix, postfix, "pa5ghw1a", |
b8ebbaff | 454 | &pwr_info->pa_5gh[1], 0, fallback); |
019eee2e | 455 | nvram_read_u16(prefix, postfix, "pa5ghw2a", |
b8ebbaff | 456 | &pwr_info->pa_5gh[2], 0, fallback); |
019eee2e HM |
457 | } |
458 | } | |
459 | ||
460 | static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom, | |
b8ebbaff | 461 | const char *prefix, bool fallback) |
019eee2e HM |
462 | { |
463 | char postfix[2]; | |
464 | int i; | |
465 | ||
466 | for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { | |
2f94acde RM |
467 | struct ssb_sprom_core_pwr_info *pwr_info; |
468 | ||
469 | pwr_info = &sprom->core_pwr_info[i]; | |
470 | ||
019eee2e HM |
471 | snprintf(postfix, sizeof(postfix), "%i", i); |
472 | nvram_read_u16(prefix, postfix, "pa2gw3a", | |
b8ebbaff | 473 | &pwr_info->pa_2g[3], 0, fallback); |
019eee2e | 474 | nvram_read_u16(prefix, postfix, "pa5gw3a", |
b8ebbaff | 475 | &pwr_info->pa_5g[3], 0, fallback); |
019eee2e | 476 | nvram_read_u16(prefix, postfix, "pa5glw3a", |
b8ebbaff | 477 | &pwr_info->pa_5gl[3], 0, fallback); |
019eee2e | 478 | nvram_read_u16(prefix, postfix, "pa5ghw3a", |
b8ebbaff | 479 | &pwr_info->pa_5gh[3], 0, fallback); |
019eee2e HM |
480 | } |
481 | } | |
482 | ||
103c0bf3 HM |
483 | static bool bcm47xx_is_valid_mac(u8 *mac) |
484 | { | |
485 | return mac && !(mac[0] == 0x00 && mac[1] == 0x90 && mac[2] == 0x4c); | |
486 | } | |
487 | ||
488 | static 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 | ||
508 | static int mac_addr_used = 2; | |
509 | ||
b8ebbaff HM |
510 | static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, |
511 | const char *prefix, bool fallback) | |
019eee2e | 512 | { |
6e122ac0 RM |
513 | bool fb = fallback; |
514 | ||
710d86f8 | 515 | nvram_read_macaddr(prefix, "et0macaddr", sprom->et0mac, fallback); |
b8ebbaff HM |
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 | ||
710d86f8 | 521 | nvram_read_macaddr(prefix, "et1macaddr", sprom->et1mac, fallback); |
b8ebbaff HM |
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 | ||
6e122ac0 RM |
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 | ||
710d86f8 IM |
531 | nvram_read_macaddr(prefix, "macaddr", sprom->il0mac, fallback); |
532 | nvram_read_macaddr(prefix, "il0macaddr", sprom->il0mac, fallback); | |
103c0bf3 HM |
533 | |
534 | /* The address prefix 00:90:4C is used by Broadcom in their initial | |
2f94acde RM |
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 | */ | |
103c0bf3 HM |
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 | } | |
019eee2e HM |
553 | } |
554 | ||
b8ebbaff HM |
555 | static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix, |
556 | bool fallback) | |
5d24ceab | 557 | { |
5d24ceab | 558 | nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo, |
b8ebbaff | 559 | &sprom->boardflags_hi, fallback); |
5d24ceab | 560 | nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo, |
b8ebbaff | 561 | &sprom->boardflags2_hi, fallback); |
5d24ceab HM |
562 | } |
563 | ||
b8ebbaff HM |
564 | void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix, |
565 | bool fallback) | |
019eee2e | 566 | { |
b8ebbaff HM |
567 | bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback); |
568 | bcm47xx_fill_board_data(sprom, prefix, fallback); | |
019eee2e | 569 | |
b8ebbaff | 570 | nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback); |
019eee2e | 571 | |
590605c6 RM |
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 | ||
019eee2e | 578 | switch (sprom->revision) { |
019eee2e HM |
579 | case 4: |
580 | case 5: | |
b8ebbaff HM |
581 | bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); |
582 | bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback); | |
019eee2e HM |
583 | break; |
584 | case 8: | |
019eee2e | 585 | case 9: |
b8ebbaff | 586 | bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); |
019eee2e | 587 | break; |
019eee2e | 588 | } |
d55a52cc RM |
589 | |
590 | bcm47xx_sprom_fill_auto(sprom, prefix, fallback); | |
019eee2e | 591 | } |
a9bba182 | 592 | |
2ab71a02 | 593 | #if IS_BUILTIN(CONFIG_SSB) && IS_ENABLED(CONFIG_SSB_SPROM) |
a59da8fb RM |
594 | static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out) |
595 | { | |
596 | char prefix[10]; | |
597 | ||
daa7ce02 RM |
598 | switch (bus->bustype) { |
599 | case SSB_BUSTYPE_SSB: | |
600 | bcm47xx_fill_sprom(out, NULL, false); | |
601 | return 0; | |
602 | case SSB_BUSTYPE_PCI: | |
a59da8fb RM |
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; | |
daa7ce02 | 609 | default: |
d548ca6b | 610 | pr_warn("Unable to fill SPROM for given bustype.\n"); |
a59da8fb RM |
611 | return -EINVAL; |
612 | } | |
613 | } | |
614 | #endif | |
615 | ||
2ab71a02 | 616 | #if IS_BUILTIN(CONFIG_BCMA) |
9a6a2b96 RM |
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 | */ | |
624 | static 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 | ||
a59da8fb RM |
649 | static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) |
650 | { | |
26238994 | 651 | struct bcma_boardinfo *binfo = &bus->boardinfo; |
a59da8fb | 652 | struct bcma_device *core; |
26238994 RM |
653 | char buf[10]; |
654 | char *prefix; | |
655 | bool fallback = false; | |
a59da8fb RM |
656 | |
657 | switch (bus->hosttype) { | |
658 | case BCMA_HOSTTYPE_PCI: | |
659 | memset(out, 0, sizeof(struct ssb_sprom)); | |
3d1f664a | 660 | /* On BCM47XX all PCI buses share the same domain */ |
97f2645f | 661 | if (IS_ENABLED(CONFIG_BCM47XX)) |
3d1f664a RM |
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); | |
26238994 RM |
669 | bcm47xx_sprom_apply_prefix_alias(buf, sizeof(buf)); |
670 | prefix = buf; | |
671 | break; | |
a59da8fb RM |
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) { | |
26238994 | 676 | snprintf(buf, sizeof(buf), "sb/%u/", |
a59da8fb | 677 | core->core_index); |
26238994 RM |
678 | prefix = buf; |
679 | fallback = true; | |
a59da8fb | 680 | } else { |
26238994 | 681 | prefix = NULL; |
a59da8fb | 682 | } |
26238994 | 683 | break; |
a59da8fb | 684 | default: |
d548ca6b | 685 | pr_warn("Unable to fill SPROM for given bustype.\n"); |
a59da8fb RM |
686 | return -EINVAL; |
687 | } | |
26238994 RM |
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; | |
a59da8fb RM |
697 | } |
698 | #endif | |
699 | ||
2ab71a02 RM |
700 | static unsigned int bcm47xx_sprom_registered; |
701 | ||
a59da8fb RM |
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 | */ | |
2ab71a02 | 706 | int bcm47xx_sprom_register_fallbacks(void) |
a59da8fb | 707 | { |
2ab71a02 RM |
708 | if (bcm47xx_sprom_registered) |
709 | return 0; | |
710 | ||
711 | #if IS_BUILTIN(CONFIG_SSB) && IS_ENABLED(CONFIG_SSB_SPROM) | |
a59da8fb | 712 | if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb)) |
748ac56b | 713 | pr_warn("Failed to register ssb SPROM handler\n"); |
a59da8fb RM |
714 | #endif |
715 | ||
2ab71a02 | 716 | #if IS_BUILTIN(CONFIG_BCMA) |
a59da8fb | 717 | if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma)) |
748ac56b | 718 | pr_warn("Failed to register bcma SPROM handler\n"); |
a59da8fb | 719 | #endif |
2ab71a02 RM |
720 | |
721 | bcm47xx_sprom_registered = 1; | |
722 | ||
723 | return 0; | |
a59da8fb | 724 | } |
2ab71a02 RM |
725 | |
726 | fs_initcall(bcm47xx_sprom_register_fallbacks); |