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MIPS: OCTEON: add GPIO LED support for DSR-1000N
[linux-2.6-block.git] / arch / mips / bcm47xx / sprom.c
CommitLineData
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
29#include <bcm47xx.h>
103c0bf3
HM		 30#include <linux/if_ether.h>
31#include <linux/etherdevice.h>
019eee2e
HM		 32
33static void create_key(const char *prefix, const char *postfix,
34 const char *name, char *buf, int len)
35{
36 if (prefix && postfix)
37 snprintf(buf, len, "%s%s%s", prefix, name, postfix);
38 else if (prefix)
39 snprintf(buf, len, "%s%s", prefix, name);
40 else if (postfix)
41 snprintf(buf, len, "%s%s", name, postfix);
42 else
43 snprintf(buf, len, "%s", name);
44}
45
b8ebbaff
HM		 46static int get_nvram_var(const char *prefix, const char *postfix,
47 const char *name, char *buf, int len, bool fallback)
48{
49 char key[40];
50 int err;
51
52 create_key(prefix, postfix, name, key, sizeof(key));
53
111bd981 54 err = bcm47xx_nvram_getenv(key, buf, len);
ee7e2f3c 55 if (fallback && err == -ENOENT && prefix) {
b8ebbaff 56 create_key(NULL, postfix, name, key, sizeof(key));
111bd981 57 err = bcm47xx_nvram_getenv(key, buf, len);
b8ebbaff
HM		 58 }
59 return err;
60}
61
019eee2e
HM		 62#define NVRAM_READ_VAL(type) \
63static void nvram_read_ ## type (const char *prefix, \
70342287
RB		 64 const char *postfix, const char *name, \
65 type *val, type allset, bool fallback) \
019eee2e
HM		 66{ \
67 char buf[100]; \
019eee2e
HM		 68 int err; \
69 type var; \
70 \
b8ebbaff
HM		 71 err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf), \
72 fallback); \
019eee2e
HM		 73 if (err < 0) \
74 return; \
924ffb7d 75 err = kstrto ## type(strim(buf), 0, &var); \
019eee2e 76 if (err) { \
b8ebbaff
HM		 77 pr_warn("can not parse nvram name %s%s%s with value %s got %i\n", \
78 prefix, name, postfix, buf, err); \
019eee2e
HM		 79 return; \
80 } \
81 if (allset && var == allset) \
82 return; \
83 *val = var; \
84}
85
86NVRAM_READ_VAL(u8)
87NVRAM_READ_VAL(s8)
88NVRAM_READ_VAL(u16)
89NVRAM_READ_VAL(u32)
90
91#undef NVRAM_READ_VAL
92
93static void nvram_read_u32_2(const char *prefix, const char *name,
b8ebbaff 94 u16 *val_lo, u16 *val_hi, bool fallback)
019eee2e
HM		 95{
96 char buf[100];
019eee2e
HM		 97 int err;
98 u32 val;
99
b8ebbaff 100 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
019eee2e
HM		 101 if (err < 0)
102 return;
924ffb7d 103 err = kstrtou32(strim(buf), 0, &val);
019eee2e 104 if (err) {
b8ebbaff
HM		 105 pr_warn("can not parse nvram name %s%s with value %s got %i\n",
106 prefix, name, buf, err);
019eee2e
HM		 107 return;
108 }
109 *val_lo = (val & 0x0000FFFFU);
110 *val_hi = (val & 0xFFFF0000U) >> 16;
111}
112
113static void nvram_read_leddc(const char *prefix, const char *name,
b8ebbaff
HM		 114 u8 *leddc_on_time, u8 *leddc_off_time,
115 bool fallback)
019eee2e
HM		 116{
117 char buf[100];
019eee2e
HM		 118 int err;
119 u32 val;
120
b8ebbaff 121 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
019eee2e
HM		 122 if (err < 0)
123 return;
924ffb7d 124 err = kstrtou32(strim(buf), 0, &val);
019eee2e 125 if (err) {
b8ebbaff
HM		 126 pr_warn("can not parse nvram name %s%s with value %s got %i\n",
127 prefix, name, buf, err);
019eee2e
HM		 128 return;
129 }
130
131 if (val == 0xffff || val == 0xffffffff)
132 return;
133
134 *leddc_on_time = val & 0xff;
135 *leddc_off_time = (val >> 16) & 0xff;
136}
137
341097f1
RM		 138static void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
139{
140 if (strchr(buf, ':'))
141 sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
142 &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
143 &macaddr[5]);
144 else if (strchr(buf, '-'))
145 sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
146 &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
147 &macaddr[5]);
148 else
149 pr_warn("Can not parse mac address: %s\n", buf);
150}
151
019eee2e 152static void nvram_read_macaddr(const char *prefix, const char *name,
710d86f8 153 u8 val[6], bool fallback)
019eee2e
HM		 154{
155 char buf[100];
019eee2e
HM		 156 int err;
157
b8ebbaff 158 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
019eee2e
HM		 159 if (err < 0)
160 return;
b8ebbaff 161
710d86f8 162 bcm47xx_nvram_parse_macaddr(buf, val);
019eee2e
HM		 163}
164
165static void nvram_read_alpha2(const char *prefix, const char *name,
710d86f8 166 char val[2], bool fallback)
019eee2e
HM		 167{
168 char buf[10];
019eee2e
HM		 169 int err;
170
b8ebbaff 171 err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback);
019eee2e
HM		 172 if (err < 0)
173 return;
174 if (buf[0] == '0')
175 return;
176 if (strlen(buf) > 2) {
b8ebbaff 177 pr_warn("alpha2 is too long %s\n", buf);
019eee2e
HM		 178 return;
179 }
710d86f8 180 memcpy(val, buf, 2);
019eee2e
HM		 181}
182
183static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom,
b8ebbaff 184 const char *prefix, bool fallback)
019eee2e 185{
4f4aa2ec 186 nvram_read_u16(prefix, NULL, "devid", &sprom->dev_id, 0, fallback);
b8ebbaff
HM		 187 nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff, fallback);
188 nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff, fallback);
189 nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff, fallback);
190 nvram_read_u8(prefix, NULL, "ledbh3", &sprom->gpio3, 0xff, fallback);
191 nvram_read_u8(prefix, NULL, "aa2g", &sprom->ant_available_bg, 0,
192 fallback);
193 nvram_read_u8(prefix, NULL, "aa5g", &sprom->ant_available_a, 0,
194 fallback);
195 nvram_read_s8(prefix, NULL, "ag0", &sprom->antenna_gain.a0, 0,
196 fallback);
197 nvram_read_s8(prefix, NULL, "ag1", &sprom->antenna_gain.a1, 0,
198 fallback);
710d86f8 199 nvram_read_alpha2(prefix, "ccode", sprom->alpha2, fallback);
019eee2e
HM		 200}
201
202static void bcm47xx_fill_sprom_r12389(struct ssb_sprom *sprom,
b8ebbaff 203 const char *prefix, bool fallback)
019eee2e 204{
b8ebbaff
HM		 205 nvram_read_u16(prefix, NULL, "pa0b0", &sprom->pa0b0, 0, fallback);
206 nvram_read_u16(prefix, NULL, "pa0b1", &sprom->pa0b1, 0, fallback);
207 nvram_read_u16(prefix, NULL, "pa0b2", &sprom->pa0b2, 0, fallback);
208 nvram_read_u8(prefix, NULL, "pa0itssit", &sprom->itssi_bg, 0, fallback);
209 nvram_read_u8(prefix, NULL, "pa0maxpwr", &sprom->maxpwr_bg, 0,
210 fallback);
211 nvram_read_u16(prefix, NULL, "pa1b0", &sprom->pa1b0, 0, fallback);
212 nvram_read_u16(prefix, NULL, "pa1b1", &sprom->pa1b1, 0, fallback);
213 nvram_read_u16(prefix, NULL, "pa1b2", &sprom->pa1b2, 0, fallback);
214 nvram_read_u8(prefix, NULL, "pa1itssit", &sprom->itssi_a, 0, fallback);
215 nvram_read_u8(prefix, NULL, "pa1maxpwr", &sprom->maxpwr_a, 0, fallback);
019eee2e
HM		 216}
217
b8ebbaff
HM		 218static void bcm47xx_fill_sprom_r1(struct ssb_sprom *sprom, const char *prefix,
219 bool fallback)
019eee2e 220{
b8ebbaff
HM		 221 nvram_read_u16(prefix, NULL, "boardflags", &sprom->boardflags_lo, 0,
222 fallback);
223 nvram_read_u8(prefix, NULL, "cc", &sprom->country_code, 0, fallback);
019eee2e
HM		 224}
225
226static void bcm47xx_fill_sprom_r2389(struct ssb_sprom *sprom,
b8ebbaff 227 const char *prefix, bool fallback)
019eee2e 228{
b8ebbaff
HM		 229 nvram_read_u8(prefix, NULL, "opo", &sprom->opo, 0, fallback);
230 nvram_read_u16(prefix, NULL, "pa1lob0", &sprom->pa1lob0, 0, fallback);
231 nvram_read_u16(prefix, NULL, "pa1lob1", &sprom->pa1lob1, 0, fallback);
232 nvram_read_u16(prefix, NULL, "pa1lob2", &sprom->pa1lob2, 0, fallback);
233 nvram_read_u16(prefix, NULL, "pa1hib0", &sprom->pa1hib0, 0, fallback);
234 nvram_read_u16(prefix, NULL, "pa1hib1", &sprom->pa1hib1, 0, fallback);
235 nvram_read_u16(prefix, NULL, "pa1hib2", &sprom->pa1hib2, 0, fallback);
236 nvram_read_u8(prefix, NULL, "pa1lomaxpwr", &sprom->maxpwr_al, 0,
237 fallback);
238 nvram_read_u8(prefix, NULL, "pa1himaxpwr", &sprom->maxpwr_ah, 0,
239 fallback);
019eee2e
HM		 240}
241
b8ebbaff
HM		 242static void bcm47xx_fill_sprom_r389(struct ssb_sprom *sprom, const char *prefix,
243 bool fallback)
019eee2e 244{
b8ebbaff
HM		 245 nvram_read_u8(prefix, NULL, "bxa2g", &sprom->bxa2g, 0, fallback);
246 nvram_read_u8(prefix, NULL, "rssisav2g", &sprom->rssisav2g, 0,
247 fallback);
248 nvram_read_u8(prefix, NULL, "rssismc2g", &sprom->rssismc2g, 0,
249 fallback);
250 nvram_read_u8(prefix, NULL, "rssismf2g", &sprom->rssismf2g, 0,
251 fallback);
252 nvram_read_u8(prefix, NULL, "bxa5g", &sprom->bxa5g, 0, fallback);
253 nvram_read_u8(prefix, NULL, "rssisav5g", &sprom->rssisav5g, 0,
254 fallback);
255 nvram_read_u8(prefix, NULL, "rssismc5g", &sprom->rssismc5g, 0,
256 fallback);
257 nvram_read_u8(prefix, NULL, "rssismf5g", &sprom->rssismf5g, 0,
258 fallback);
259 nvram_read_u8(prefix, NULL, "tri2g", &sprom->tri2g, 0, fallback);
260 nvram_read_u8(prefix, NULL, "tri5g", &sprom->tri5g, 0, fallback);
261 nvram_read_u8(prefix, NULL, "tri5gl", &sprom->tri5gl, 0, fallback);
262 nvram_read_u8(prefix, NULL, "tri5gh", &sprom->tri5gh, 0, fallback);
263 nvram_read_s8(prefix, NULL, "rxpo2g", &sprom->rxpo2g, 0, fallback);
264 nvram_read_s8(prefix, NULL, "rxpo5g", &sprom->rxpo5g, 0, fallback);
019eee2e
HM		 265}
266
b8ebbaff
HM		 267static void bcm47xx_fill_sprom_r3(struct ssb_sprom *sprom, const char *prefix,
268 bool fallback)
019eee2e 269{
b8ebbaff 270 nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback);
019eee2e 271 nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
b8ebbaff 272 &sprom->leddc_off_time, fallback);
019eee2e
HM		 273}
274
275static void bcm47xx_fill_sprom_r4589(struct ssb_sprom *sprom,
b8ebbaff 276 const char *prefix, bool fallback)
019eee2e 277{
b8ebbaff
HM		 278 nvram_read_u8(prefix, NULL, "regrev", &sprom->regrev, 0, fallback);
279 nvram_read_s8(prefix, NULL, "ag2", &sprom->antenna_gain.a2, 0,
280 fallback);
281 nvram_read_s8(prefix, NULL, "ag3", &sprom->antenna_gain.a3, 0,
282 fallback);
283 nvram_read_u8(prefix, NULL, "txchain", &sprom->txchain, 0xf, fallback);
284 nvram_read_u8(prefix, NULL, "rxchain", &sprom->rxchain, 0xf, fallback);
285 nvram_read_u8(prefix, NULL, "antswitch", &sprom->antswitch, 0xff,
286 fallback);
019eee2e 287 nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time,
b8ebbaff 288 &sprom->leddc_off_time, fallback);
019eee2e
HM		 289}
290
b8ebbaff
HM		 291static void bcm47xx_fill_sprom_r458(struct ssb_sprom *sprom, const char *prefix,
292 bool fallback)
019eee2e 293{
b8ebbaff
HM		 294 nvram_read_u16(prefix, NULL, "cck2gpo", &sprom->cck2gpo, 0, fallback);
295 nvram_read_u32(prefix, NULL, "ofdm2gpo", &sprom->ofdm2gpo, 0, fallback);
296 nvram_read_u32(prefix, NULL, "ofdm5gpo", &sprom->ofdm5gpo, 0, fallback);
297 nvram_read_u32(prefix, NULL, "ofdm5glpo", &sprom->ofdm5glpo, 0,
298 fallback);
299 nvram_read_u32(prefix, NULL, "ofdm5ghpo", &sprom->ofdm5ghpo, 0,
300 fallback);
301 nvram_read_u16(prefix, NULL, "cddpo", &sprom->cddpo, 0, fallback);
302 nvram_read_u16(prefix, NULL, "stbcpo", &sprom->stbcpo, 0, fallback);
303 nvram_read_u16(prefix, NULL, "bw40po", &sprom->bw40po, 0, fallback);
304 nvram_read_u16(prefix, NULL, "bwduppo", &sprom->bwduppo, 0, fallback);
305 nvram_read_u16(prefix, NULL, "mcs2gpo0", &sprom->mcs2gpo[0], 0,
306 fallback);
307 nvram_read_u16(prefix, NULL, "mcs2gpo1", &sprom->mcs2gpo[1], 0,
308 fallback);
309 nvram_read_u16(prefix, NULL, "mcs2gpo2", &sprom->mcs2gpo[2], 0,
310 fallback);
311 nvram_read_u16(prefix, NULL, "mcs2gpo3", &sprom->mcs2gpo[3], 0,
312 fallback);
313 nvram_read_u16(prefix, NULL, "mcs2gpo4", &sprom->mcs2gpo[4], 0,
314 fallback);
315 nvram_read_u16(prefix, NULL, "mcs2gpo5", &sprom->mcs2gpo[5], 0,
316 fallback);
317 nvram_read_u16(prefix, NULL, "mcs2gpo6", &sprom->mcs2gpo[6], 0,
318 fallback);
319 nvram_read_u16(prefix, NULL, "mcs2gpo7", &sprom->mcs2gpo[7], 0,
320 fallback);
321 nvram_read_u16(prefix, NULL, "mcs5gpo0", &sprom->mcs5gpo[0], 0,
322 fallback);
323 nvram_read_u16(prefix, NULL, "mcs5gpo1", &sprom->mcs5gpo[1], 0,
324 fallback);
325 nvram_read_u16(prefix, NULL, "mcs5gpo2", &sprom->mcs5gpo[2], 0,
326 fallback);
327 nvram_read_u16(prefix, NULL, "mcs5gpo3", &sprom->mcs5gpo[3], 0,
328 fallback);
329 nvram_read_u16(prefix, NULL, "mcs5gpo4", &sprom->mcs5gpo[4], 0,
330 fallback);
331 nvram_read_u16(prefix, NULL, "mcs5gpo5", &sprom->mcs5gpo[5], 0,
332 fallback);
333 nvram_read_u16(prefix, NULL, "mcs5gpo6", &sprom->mcs5gpo[6], 0,
334 fallback);
335 nvram_read_u16(prefix, NULL, "mcs5gpo7", &sprom->mcs5gpo[7], 0,
336 fallback);
337 nvram_read_u16(prefix, NULL, "mcs5glpo0", &sprom->mcs5glpo[0], 0,
338 fallback);
339 nvram_read_u16(prefix, NULL, "mcs5glpo1", &sprom->mcs5glpo[1], 0,
340 fallback);
341 nvram_read_u16(prefix, NULL, "mcs5glpo2", &sprom->mcs5glpo[2], 0,
342 fallback);
343 nvram_read_u16(prefix, NULL, "mcs5glpo3", &sprom->mcs5glpo[3], 0,
344 fallback);
345 nvram_read_u16(prefix, NULL, "mcs5glpo4", &sprom->mcs5glpo[4], 0,
346 fallback);
347 nvram_read_u16(prefix, NULL, "mcs5glpo5", &sprom->mcs5glpo[5], 0,
348 fallback);
349 nvram_read_u16(prefix, NULL, "mcs5glpo6", &sprom->mcs5glpo[6], 0,
350 fallback);
351 nvram_read_u16(prefix, NULL, "mcs5glpo7", &sprom->mcs5glpo[7], 0,
352 fallback);
353 nvram_read_u16(prefix, NULL, "mcs5ghpo0", &sprom->mcs5ghpo[0], 0,
354 fallback);
355 nvram_read_u16(prefix, NULL, "mcs5ghpo1", &sprom->mcs5ghpo[1], 0,
356 fallback);
357 nvram_read_u16(prefix, NULL, "mcs5ghpo2", &sprom->mcs5ghpo[2], 0,
358 fallback);
359 nvram_read_u16(prefix, NULL, "mcs5ghpo3", &sprom->mcs5ghpo[3], 0,
360 fallback);
361 nvram_read_u16(prefix, NULL, "mcs5ghpo4", &sprom->mcs5ghpo[4], 0,
362 fallback);
363 nvram_read_u16(prefix, NULL, "mcs5ghpo5", &sprom->mcs5ghpo[5], 0,
364 fallback);
365 nvram_read_u16(prefix, NULL, "mcs5ghpo6", &sprom->mcs5ghpo[6], 0,
366 fallback);
367 nvram_read_u16(prefix, NULL, "mcs5ghpo7", &sprom->mcs5ghpo[7], 0,
368 fallback);
019eee2e
HM		 369}
370
b8ebbaff
HM		 371static void bcm47xx_fill_sprom_r45(struct ssb_sprom *sprom, const char *prefix,
372 bool fallback)
019eee2e 373{
b8ebbaff
HM		 374 nvram_read_u8(prefix, NULL, "txpid2ga0", &sprom->txpid2g[0], 0,
375 fallback);
376 nvram_read_u8(prefix, NULL, "txpid2ga1", &sprom->txpid2g[1], 0,
377 fallback);
378 nvram_read_u8(prefix, NULL, "txpid2ga2", &sprom->txpid2g[2], 0,
379 fallback);
380 nvram_read_u8(prefix, NULL, "txpid2ga3", &sprom->txpid2g[3], 0,
381 fallback);
382 nvram_read_u8(prefix, NULL, "txpid5ga0", &sprom->txpid5g[0], 0,
383 fallback);
384 nvram_read_u8(prefix, NULL, "txpid5ga1", &sprom->txpid5g[1], 0,
385 fallback);
386 nvram_read_u8(prefix, NULL, "txpid5ga2", &sprom->txpid5g[2], 0,
387 fallback);
388 nvram_read_u8(prefix, NULL, "txpid5ga3", &sprom->txpid5g[3], 0,
389 fallback);
390 nvram_read_u8(prefix, NULL, "txpid5gla0", &sprom->txpid5gl[0], 0,
391 fallback);
392 nvram_read_u8(prefix, NULL, "txpid5gla1", &sprom->txpid5gl[1], 0,
393 fallback);
394 nvram_read_u8(prefix, NULL, "txpid5gla2", &sprom->txpid5gl[2], 0,
395 fallback);
396 nvram_read_u8(prefix, NULL, "txpid5gla3", &sprom->txpid5gl[3], 0,
397 fallback);
398 nvram_read_u8(prefix, NULL, "txpid5gha0", &sprom->txpid5gh[0], 0,
399 fallback);
400 nvram_read_u8(prefix, NULL, "txpid5gha1", &sprom->txpid5gh[1], 0,
401 fallback);
402 nvram_read_u8(prefix, NULL, "txpid5gha2", &sprom->txpid5gh[2], 0,
403 fallback);
404 nvram_read_u8(prefix, NULL, "txpid5gha3", &sprom->txpid5gh[3], 0,
405 fallback);
019eee2e
HM		 406}
407
b8ebbaff
HM		 408static void bcm47xx_fill_sprom_r89(struct ssb_sprom *sprom, const char *prefix,
409 bool fallback)
019eee2e 410{
b8ebbaff
HM		 411 nvram_read_u8(prefix, NULL, "tssipos2g", &sprom->fem.ghz2.tssipos, 0,
412 fallback);
019eee2e 413 nvram_read_u8(prefix, NULL, "extpagain2g",
b8ebbaff 414 &sprom->fem.ghz2.extpa_gain, 0, fallback);
019eee2e 415 nvram_read_u8(prefix, NULL, "pdetrange2g",
b8ebbaff
HM		 416 &sprom->fem.ghz2.pdet_range, 0, fallback);
417 nvram_read_u8(prefix, NULL, "triso2g", &sprom->fem.ghz2.tr_iso, 0,
418 fallback);
419 nvram_read_u8(prefix, NULL, "antswctl2g", &sprom->fem.ghz2.antswlut, 0,
420 fallback);
421 nvram_read_u8(prefix, NULL, "tssipos5g", &sprom->fem.ghz5.tssipos, 0,
422 fallback);
019eee2e 423 nvram_read_u8(prefix, NULL, "extpagain5g",
b8ebbaff 424 &sprom->fem.ghz5.extpa_gain, 0, fallback);
019eee2e 425 nvram_read_u8(prefix, NULL, "pdetrange5g",
b8ebbaff
HM		 426 &sprom->fem.ghz5.pdet_range, 0, fallback);
427 nvram_read_u8(prefix, NULL, "triso5g", &sprom->fem.ghz5.tr_iso, 0,
428 fallback);
429 nvram_read_u8(prefix, NULL, "antswctl5g", &sprom->fem.ghz5.antswlut, 0,
430 fallback);
431 nvram_read_u8(prefix, NULL, "tempthresh", &sprom->tempthresh, 0,
432 fallback);
433 nvram_read_u8(prefix, NULL, "tempoffset", &sprom->tempoffset, 0,
434 fallback);
435 nvram_read_u16(prefix, NULL, "rawtempsense", &sprom->rawtempsense, 0,
436 fallback);
437 nvram_read_u8(prefix, NULL, "measpower", &sprom->measpower, 0,
438 fallback);
019eee2e 439 nvram_read_u8(prefix, NULL, "tempsense_slope",
b8ebbaff
HM		 440 &sprom->tempsense_slope, 0, fallback);
441 nvram_read_u8(prefix, NULL, "tempcorrx", &sprom->tempcorrx, 0,
442 fallback);
019eee2e 443 nvram_read_u8(prefix, NULL, "tempsense_option",
b8ebbaff 444 &sprom->tempsense_option, 0, fallback);
019eee2e 445 nvram_read_u8(prefix, NULL, "freqoffset_corr",
b8ebbaff
HM		 446 &sprom->freqoffset_corr, 0, fallback);
447 nvram_read_u8(prefix, NULL, "iqcal_swp_dis", &sprom->iqcal_swp_dis, 0,
448 fallback);
449 nvram_read_u8(prefix, NULL, "hw_iqcal_en", &sprom->hw_iqcal_en, 0,
450 fallback);
451 nvram_read_u8(prefix, NULL, "elna2g", &sprom->elna2g, 0, fallback);
452 nvram_read_u8(prefix, NULL, "elna5g", &sprom->elna5g, 0, fallback);
019eee2e 453 nvram_read_u8(prefix, NULL, "phycal_tempdelta",
b8ebbaff
HM		 454 &sprom->phycal_tempdelta, 0, fallback);
455 nvram_read_u8(prefix, NULL, "temps_period", &sprom->temps_period, 0,
456 fallback);
019eee2e 457 nvram_read_u8(prefix, NULL, "temps_hysteresis",
b8ebbaff
HM		 458 &sprom->temps_hysteresis, 0, fallback);
459 nvram_read_u8(prefix, NULL, "measpower1", &sprom->measpower1, 0,
460 fallback);
461 nvram_read_u8(prefix, NULL, "measpower2", &sprom->measpower2, 0,
462 fallback);
019eee2e 463 nvram_read_u8(prefix, NULL, "rxgainerr2ga0",
b8ebbaff 464 &sprom->rxgainerr2ga[0], 0, fallback);
019eee2e 465 nvram_read_u8(prefix, NULL, "rxgainerr2ga1",
b8ebbaff 466 &sprom->rxgainerr2ga[1], 0, fallback);
019eee2e 467 nvram_read_u8(prefix, NULL, "rxgainerr2ga2",
b8ebbaff 468 &sprom->rxgainerr2ga[2], 0, fallback);
019eee2e 469 nvram_read_u8(prefix, NULL, "rxgainerr5gla0",
b8ebbaff 470 &sprom->rxgainerr5gla[0], 0, fallback);
019eee2e 471 nvram_read_u8(prefix, NULL, "rxgainerr5gla1",
b8ebbaff 472 &sprom->rxgainerr5gla[1], 0, fallback);
019eee2e 473 nvram_read_u8(prefix, NULL, "rxgainerr5gla2",
b8ebbaff 474 &sprom->rxgainerr5gla[2], 0, fallback);
019eee2e 475 nvram_read_u8(prefix, NULL, "rxgainerr5gma0",
b8ebbaff 476 &sprom->rxgainerr5gma[0], 0, fallback);
019eee2e 477 nvram_read_u8(prefix, NULL, "rxgainerr5gma1",
b8ebbaff 478 &sprom->rxgainerr5gma[1], 0, fallback);
019eee2e 479 nvram_read_u8(prefix, NULL, "rxgainerr5gma2",
b8ebbaff 480 &sprom->rxgainerr5gma[2], 0, fallback);
019eee2e 481 nvram_read_u8(prefix, NULL, "rxgainerr5gha0",
b8ebbaff 482 &sprom->rxgainerr5gha[0], 0, fallback);
019eee2e 483 nvram_read_u8(prefix, NULL, "rxgainerr5gha1",
b8ebbaff 484 &sprom->rxgainerr5gha[1], 0, fallback);
019eee2e 485 nvram_read_u8(prefix, NULL, "rxgainerr5gha2",
b8ebbaff 486 &sprom->rxgainerr5gha[2], 0, fallback);
019eee2e 487 nvram_read_u8(prefix, NULL, "rxgainerr5gua0",
b8ebbaff 488 &sprom->rxgainerr5gua[0], 0, fallback);
019eee2e 489 nvram_read_u8(prefix, NULL, "rxgainerr5gua1",
b8ebbaff 490 &sprom->rxgainerr5gua[1], 0, fallback);
019eee2e 491 nvram_read_u8(prefix, NULL, "rxgainerr5gua2",
b8ebbaff
HM		 492 &sprom->rxgainerr5gua[2], 0, fallback);
493 nvram_read_u8(prefix, NULL, "noiselvl2ga0", &sprom->noiselvl2ga[0], 0,
494 fallback);
495 nvram_read_u8(prefix, NULL, "noiselvl2ga1", &sprom->noiselvl2ga[1], 0,
496 fallback);
497 nvram_read_u8(prefix, NULL, "noiselvl2ga2", &sprom->noiselvl2ga[2], 0,
498 fallback);
019eee2e 499 nvram_read_u8(prefix, NULL, "noiselvl5gla0",
b8ebbaff 500 &sprom->noiselvl5gla[0], 0, fallback);
019eee2e 501 nvram_read_u8(prefix, NULL, "noiselvl5gla1",
b8ebbaff 502 &sprom->noiselvl5gla[1], 0, fallback);
019eee2e 503 nvram_read_u8(prefix, NULL, "noiselvl5gla2",
b8ebbaff 504 &sprom->noiselvl5gla[2], 0, fallback);
019eee2e 505 nvram_read_u8(prefix, NULL, "noiselvl5gma0",
b8ebbaff 506 &sprom->noiselvl5gma[0], 0, fallback);
019eee2e 507 nvram_read_u8(prefix, NULL, "noiselvl5gma1",
b8ebbaff 508 &sprom->noiselvl5gma[1], 0, fallback);
019eee2e 509 nvram_read_u8(prefix, NULL, "noiselvl5gma2",
b8ebbaff 510 &sprom->noiselvl5gma[2], 0, fallback);
019eee2e 511 nvram_read_u8(prefix, NULL, "noiselvl5gha0",
b8ebbaff 512 &sprom->noiselvl5gha[0], 0, fallback);
019eee2e 513 nvram_read_u8(prefix, NULL, "noiselvl5gha1",
b8ebbaff 514 &sprom->noiselvl5gha[1], 0, fallback);
019eee2e 515 nvram_read_u8(prefix, NULL, "noiselvl5gha2",
b8ebbaff 516 &sprom->noiselvl5gha[2], 0, fallback);
019eee2e 517 nvram_read_u8(prefix, NULL, "noiselvl5gua0",
b8ebbaff 518 &sprom->noiselvl5gua[0], 0, fallback);
019eee2e 519 nvram_read_u8(prefix, NULL, "noiselvl5gua1",
b8ebbaff 520 &sprom->noiselvl5gua[1], 0, fallback);
019eee2e 521 nvram_read_u8(prefix, NULL, "noiselvl5gua2",
b8ebbaff 522 &sprom->noiselvl5gua[2], 0, fallback);
019eee2e 523 nvram_read_u8(prefix, NULL, "pcieingress_war",
b8ebbaff 524 &sprom->pcieingress_war, 0, fallback);
019eee2e
HM		 525}
526
b8ebbaff
HM		 527static void bcm47xx_fill_sprom_r9(struct ssb_sprom *sprom, const char *prefix,
528 bool fallback)
019eee2e 529{
b8ebbaff
HM		 530 nvram_read_u16(prefix, NULL, "cckbw202gpo", &sprom->cckbw202gpo, 0,
531 fallback);
532 nvram_read_u16(prefix, NULL, "cckbw20ul2gpo", &sprom->cckbw20ul2gpo, 0,
533 fallback);
019eee2e 534 nvram_read_u32(prefix, NULL, "legofdmbw202gpo",
b8ebbaff 535 &sprom->legofdmbw202gpo, 0, fallback);
019eee2e 536 nvram_read_u32(prefix, NULL, "legofdmbw20ul2gpo",
b8ebbaff 537 &sprom->legofdmbw20ul2gpo, 0, fallback);
019eee2e 538 nvram_read_u32(prefix, NULL, "legofdmbw205glpo",
b8ebbaff 539 &sprom->legofdmbw205glpo, 0, fallback);
019eee2e 540 nvram_read_u32(prefix, NULL, "legofdmbw20ul5glpo",
b8ebbaff 541 &sprom->legofdmbw20ul5glpo, 0, fallback);
019eee2e 542 nvram_read_u32(prefix, NULL, "legofdmbw205gmpo",
b8ebbaff 543 &sprom->legofdmbw205gmpo, 0, fallback);
019eee2e 544 nvram_read_u32(prefix, NULL, "legofdmbw20ul5gmpo",
b8ebbaff 545 &sprom->legofdmbw20ul5gmpo, 0, fallback);
019eee2e 546 nvram_read_u32(prefix, NULL, "legofdmbw205ghpo",
b8ebbaff 547 &sprom->legofdmbw205ghpo, 0, fallback);
019eee2e 548 nvram_read_u32(prefix, NULL, "legofdmbw20ul5ghpo",
b8ebbaff
HM		 549 &sprom->legofdmbw20ul5ghpo, 0, fallback);
550 nvram_read_u32(prefix, NULL, "mcsbw202gpo", &sprom->mcsbw202gpo, 0,
551 fallback);
552 nvram_read_u32(prefix, NULL, "mcsbw20ul2gpo", &sprom->mcsbw20ul2gpo, 0,
553 fallback);
554 nvram_read_u32(prefix, NULL, "mcsbw402gpo", &sprom->mcsbw402gpo, 0,
555 fallback);
556 nvram_read_u32(prefix, NULL, "mcsbw205glpo", &sprom->mcsbw205glpo, 0,
557 fallback);
019eee2e 558 nvram_read_u32(prefix, NULL, "mcsbw20ul5glpo",
b8ebbaff
HM		 559 &sprom->mcsbw20ul5glpo, 0, fallback);
560 nvram_read_u32(prefix, NULL, "mcsbw405glpo", &sprom->mcsbw405glpo, 0,
561 fallback);
562 nvram_read_u32(prefix, NULL, "mcsbw205gmpo", &sprom->mcsbw205gmpo, 0,
563 fallback);
019eee2e 564 nvram_read_u32(prefix, NULL, "mcsbw20ul5gmpo",
b8ebbaff
HM		 565 &sprom->mcsbw20ul5gmpo, 0, fallback);
566 nvram_read_u32(prefix, NULL, "mcsbw405gmpo", &sprom->mcsbw405gmpo, 0,
567 fallback);
568 nvram_read_u32(prefix, NULL, "mcsbw205ghpo", &sprom->mcsbw205ghpo, 0,
569 fallback);
019eee2e 570 nvram_read_u32(prefix, NULL, "mcsbw20ul5ghpo",
b8ebbaff
HM		 571 &sprom->mcsbw20ul5ghpo, 0, fallback);
572 nvram_read_u32(prefix, NULL, "mcsbw405ghpo", &sprom->mcsbw405ghpo, 0,
573 fallback);
574 nvram_read_u16(prefix, NULL, "mcs32po", &sprom->mcs32po, 0, fallback);
019eee2e 575 nvram_read_u16(prefix, NULL, "legofdm40duppo",
b8ebbaff
HM		 576 &sprom->legofdm40duppo, 0, fallback);
577 nvram_read_u8(prefix, NULL, "sar2g", &sprom->sar2g, 0, fallback);
578 nvram_read_u8(prefix, NULL, "sar5g", &sprom->sar5g, 0, fallback);
019eee2e
HM		 579}
580
581static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom,
b8ebbaff 582 const char *prefix, bool fallback)
019eee2e
HM		 583{
584 char postfix[2];
585 int i;
586
587 for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) {
588 struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i];
589 snprintf(postfix, sizeof(postfix), "%i", i);
590 nvram_read_u8(prefix, postfix, "maxp2ga",
b8ebbaff 591 &pwr_info->maxpwr_2g, 0, fallback);
019eee2e 592 nvram_read_u8(prefix, postfix, "itt2ga",
b8ebbaff 593 &pwr_info->itssi_2g, 0, fallback);
019eee2e 594 nvram_read_u8(prefix, postfix, "itt5ga",
b8ebbaff 595 &pwr_info->itssi_5g, 0, fallback);
019eee2e 596 nvram_read_u16(prefix, postfix, "pa2gw0a",
b8ebbaff 597 &pwr_info->pa_2g[0], 0, fallback);
019eee2e 598 nvram_read_u16(prefix, postfix, "pa2gw1a",
b8ebbaff 599 &pwr_info->pa_2g[1], 0, fallback);
019eee2e 600 nvram_read_u16(prefix, postfix, "pa2gw2a",
b8ebbaff 601 &pwr_info->pa_2g[2], 0, fallback);
019eee2e 602 nvram_read_u8(prefix, postfix, "maxp5ga",
b8ebbaff 603 &pwr_info->maxpwr_5g, 0, fallback);
019eee2e 604 nvram_read_u8(prefix, postfix, "maxp5gha",
b8ebbaff 605 &pwr_info->maxpwr_5gh, 0, fallback);
019eee2e 606 nvram_read_u8(prefix, postfix, "maxp5gla",
b8ebbaff 607 &pwr_info->maxpwr_5gl, 0, fallback);
019eee2e 608 nvram_read_u16(prefix, postfix, "pa5gw0a",
b8ebbaff 609 &pwr_info->pa_5g[0], 0, fallback);
019eee2e 610 nvram_read_u16(prefix, postfix, "pa5gw1a",
b8ebbaff 611 &pwr_info->pa_5g[1], 0, fallback);
019eee2e 612 nvram_read_u16(prefix, postfix, "pa5gw2a",
b8ebbaff 613 &pwr_info->pa_5g[2], 0, fallback);
019eee2e 614 nvram_read_u16(prefix, postfix, "pa5glw0a",
b8ebbaff 615 &pwr_info->pa_5gl[0], 0, fallback);
019eee2e 616 nvram_read_u16(prefix, postfix, "pa5glw1a",
b8ebbaff 617 &pwr_info->pa_5gl[1], 0, fallback);
019eee2e 618 nvram_read_u16(prefix, postfix, "pa5glw2a",
b8ebbaff 619 &pwr_info->pa_5gl[2], 0, fallback);
019eee2e 620 nvram_read_u16(prefix, postfix, "pa5ghw0a",
b8ebbaff 621 &pwr_info->pa_5gh[0], 0, fallback);
019eee2e 622 nvram_read_u16(prefix, postfix, "pa5ghw1a",
b8ebbaff 623 &pwr_info->pa_5gh[1], 0, fallback);
019eee2e 624 nvram_read_u16(prefix, postfix, "pa5ghw2a",
b8ebbaff 625 &pwr_info->pa_5gh[2], 0, fallback);
019eee2e
HM		 626 }
627}
628
629static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom,
b8ebbaff 630 const char *prefix, bool fallback)
019eee2e
HM		 631{
632 char postfix[2];
633 int i;
634
635 for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) {
636 struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i];
637 snprintf(postfix, sizeof(postfix), "%i", i);
638 nvram_read_u16(prefix, postfix, "pa2gw3a",
b8ebbaff 639 &pwr_info->pa_2g[3], 0, fallback);
019eee2e 640 nvram_read_u16(prefix, postfix, "pa5gw3a",
b8ebbaff 641 &pwr_info->pa_5g[3], 0, fallback);
019eee2e 642 nvram_read_u16(prefix, postfix, "pa5glw3a",
b8ebbaff 643 &pwr_info->pa_5gl[3], 0, fallback);
019eee2e 644 nvram_read_u16(prefix, postfix, "pa5ghw3a",
b8ebbaff 645 &pwr_info->pa_5gh[3], 0, fallback);
019eee2e
HM		 646 }
647}
648
103c0bf3
HM		 649static bool bcm47xx_is_valid_mac(u8 *mac)
650{
651 return mac && !(mac[0] == 0x00 && mac[1] == 0x90 && mac[2] == 0x4c);
652}
653
654static int bcm47xx_increase_mac_addr(u8 *mac, u8 num)
655{
656 u8 *oui = mac + ETH_ALEN/2 - 1;
657 u8 *p = mac + ETH_ALEN - 1;
658
659 do {
660 (*p) += num;
661 if (*p > num)
662 break;
663 p--;
664 num = 1;
665 } while (p != oui);
666
667 if (p == oui) {
668 pr_err("unable to fetch mac address\n");
669 return -ENOENT;
670 }
671 return 0;
672}
673
674static int mac_addr_used = 2;
675
b8ebbaff
HM		 676static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom,
677 const char *prefix, bool fallback)
019eee2e 678{
710d86f8 679 nvram_read_macaddr(prefix, "et0macaddr", sprom->et0mac, fallback);
b8ebbaff
HM		 680 nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0,
681 fallback);
682 nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0,
683 fallback);
684
710d86f8 685 nvram_read_macaddr(prefix, "et1macaddr", sprom->et1mac, fallback);
b8ebbaff
HM		 686 nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0,
687 fallback);
688 nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0,
689 fallback);
690
710d86f8
IM		 691 nvram_read_macaddr(prefix, "macaddr", sprom->il0mac, fallback);
692 nvram_read_macaddr(prefix, "il0macaddr", sprom->il0mac, fallback);
103c0bf3
HM		 693
694 /* The address prefix 00:90:4C is used by Broadcom in their initial
695 configuration. When a mac address with the prefix 00:90:4C is used
696 all devices from the same series are sharing the same mac address.
697 To prevent mac address collisions we replace them with a mac address
698 based on the base address. */
699 if (!bcm47xx_is_valid_mac(sprom->il0mac)) {
700 u8 mac[6];
701
702 nvram_read_macaddr(NULL, "et0macaddr", mac, false);
703 if (bcm47xx_is_valid_mac(mac)) {
704 int err = bcm47xx_increase_mac_addr(mac, mac_addr_used);
705
706 if (!err) {
707 ether_addr_copy(sprom->il0mac, mac);
708 mac_addr_used++;
709 }
710 }
711 }
019eee2e
HM		 712}
713
b8ebbaff
HM		 714static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix,
715 bool fallback)
5d24ceab 716{
6404b7cb 717 nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0, true);
b8ebbaff
HM		 718 nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0,
719 fallback);
6404b7cb 720 nvram_read_u16(prefix, NULL, "boardtype", &sprom->board_type, 0, true);
5d24ceab 721 nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo,
b8ebbaff 722 &sprom->boardflags_hi, fallback);
5d24ceab 723 nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo,
b8ebbaff 724 &sprom->boardflags2_hi, fallback);
5d24ceab
HM		 725}
726
b8ebbaff
HM		 727void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
728 bool fallback)
019eee2e 729{
b8ebbaff
HM		 730 bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback);
731 bcm47xx_fill_board_data(sprom, prefix, fallback);
019eee2e 732
b8ebbaff 733 nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback);
019eee2e
HM		 734
735 switch (sprom->revision) {
736 case 1:
b8ebbaff
HM		 737 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
738 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
739 bcm47xx_fill_sprom_r1(sprom, prefix, fallback);
019eee2e
HM		 740 break;
741 case 2:
b8ebbaff
HM		 742 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
743 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
744 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
019eee2e
HM		 745 break;
746 case 3:
b8ebbaff
HM		 747 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
748 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
749 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
750 bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
751 bcm47xx_fill_sprom_r3(sprom, prefix, fallback);
019eee2e
HM		 752 break;
753 case 4:
754 case 5:
b8ebbaff
HM		 755 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
756 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
757 bcm47xx_fill_sprom_r458(sprom, prefix, fallback);
758 bcm47xx_fill_sprom_r45(sprom, prefix, fallback);
759 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
760 bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback);
019eee2e
HM		 761 break;
762 case 8:
b8ebbaff
HM		 763 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
764 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
765 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
766 bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
767 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
768 bcm47xx_fill_sprom_r458(sprom, prefix, fallback);
769 bcm47xx_fill_sprom_r89(sprom, prefix, fallback);
770 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
019eee2e
HM		 771 break;
772 case 9:
b8ebbaff
HM		 773 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
774 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
775 bcm47xx_fill_sprom_r2389(sprom, prefix, fallback);
776 bcm47xx_fill_sprom_r389(sprom, prefix, fallback);
777 bcm47xx_fill_sprom_r4589(sprom, prefix, fallback);
778 bcm47xx_fill_sprom_r89(sprom, prefix, fallback);
779 bcm47xx_fill_sprom_r9(sprom, prefix, fallback);
780 bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback);
019eee2e
HM		 781 break;
782 default:
783 pr_warn("Unsupported SPROM revision %d detected. Will extract"
784 " v1\n", sprom->revision);
785 sprom->revision = 1;
b8ebbaff
HM		 786 bcm47xx_fill_sprom_r1234589(sprom, prefix, fallback);
787 bcm47xx_fill_sprom_r12389(sprom, prefix, fallback);
788 bcm47xx_fill_sprom_r1(sprom, prefix, fallback);
019eee2e
HM		 789 }
790}
a9bba182
HM		 791
792#ifdef CONFIG_BCM47XX_SSB
793void bcm47xx_fill_ssb_boardinfo(struct ssb_boardinfo *boardinfo,
794 const char *prefix)
795{
b8ebbaff
HM		 796 nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0,
797 true);
a9bba182
HM		 798 if (!boardinfo->vendor)
799 boardinfo->vendor = SSB_BOARDVENDOR_BCM;
800
b8ebbaff 801 nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true);
a9bba182
HM		 802}
803#endif
0a2fcaa7
HM		 804
805#ifdef CONFIG_BCM47XX_BCMA
806void bcm47xx_fill_bcma_boardinfo(struct bcma_boardinfo *boardinfo,
807 const char *prefix)
808{
b8ebbaff
HM		 809 nvram_read_u16(prefix, NULL, "boardvendor", &boardinfo->vendor, 0,
810 true);
0a2fcaa7
HM		 811 if (!boardinfo->vendor)
812 boardinfo->vendor = SSB_BOARDVENDOR_BCM;
813
b8ebbaff 814 nvram_read_u16(prefix, NULL, "boardtype", &boardinfo->type, 0, true);
0a2fcaa7
HM		 815}
816#endif
a59da8fb
RM		 817
818#if defined(CONFIG_BCM47XX_SSB)
819static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
820{
821 char prefix[10];
822
823 if (bus->bustype == SSB_BUSTYPE_PCI) {
824 memset(out, 0, sizeof(struct ssb_sprom));
825 snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
826 bus->host_pci->bus->number + 1,
827 PCI_SLOT(bus->host_pci->devfn));
828 bcm47xx_fill_sprom(out, prefix, false);
829 return 0;
830 } else {
831 pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
832 return -EINVAL;
833 }
834}
835#endif
836
837#if defined(CONFIG_BCM47XX_BCMA)
9a6a2b96
RM		 838/*
839 * Having many NVRAM entries for PCI devices led to repeating prefixes like
840 * pci/1/1/ all the time and wasting flash space. So at some point Broadcom
841 * decided to introduce prefixes like 0: 1: 2: etc.
842 * If we find e.g. devpath0=pci/2/1 or devpath0=pci/2/1/ we should use 0:
843 * instead of pci/2/1/.
844 */
845static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size)
846{
847 size_t prefix_len = strlen(prefix);
848 size_t short_len = prefix_len - 1;
849 char nvram_var[10];
850 char buf[20];
851 int i;
852
853 /* Passed prefix has to end with a slash */
854 if (prefix_len <= 0 || prefix[prefix_len - 1] != '/')
855 return;
856
857 for (i = 0; i < 3; i++) {
858 if (snprintf(nvram_var, sizeof(nvram_var), "devpath%d", i) <= 0)
859 continue;
860 if (bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf)) < 0)
861 continue;
862 if (!strcmp(buf, prefix) ||
863 (short_len && strlen(buf) == short_len && !strncmp(buf, prefix, short_len))) {
864 snprintf(prefix, prefix_size, "%d:", i);
865 return;
866 }
867 }
868}
869
a59da8fb
RM		 870static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
871{
872 char prefix[10];
873 struct bcma_device *core;
874
875 switch (bus->hosttype) {
876 case BCMA_HOSTTYPE_PCI:
877 memset(out, 0, sizeof(struct ssb_sprom));
878 snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
879 bus->host_pci->bus->number + 1,
880 PCI_SLOT(bus->host_pci->devfn));
9a6a2b96 881 bcm47xx_sprom_apply_prefix_alias(prefix, sizeof(prefix));
a59da8fb
RM		 882 bcm47xx_fill_sprom(out, prefix, false);
883 return 0;
884 case BCMA_HOSTTYPE_SOC:
885 memset(out, 0, sizeof(struct ssb_sprom));
886 core = bcma_find_core(bus, BCMA_CORE_80211);
887 if (core) {
888 snprintf(prefix, sizeof(prefix), "sb/%u/",
889 core->core_index);
890 bcm47xx_fill_sprom(out, prefix, true);
891 } else {
892 bcm47xx_fill_sprom(out, NULL, false);
893 }
894 return 0;
895 default:
896 pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
897 return -EINVAL;
898 }
899}
900#endif
901
902/*
903 * On bcm47xx we need to register SPROM fallback handler very early, so we can't
904 * use anything like platform device / driver for this.
905 */
906void bcm47xx_sprom_register_fallbacks(void)
907{
908#if defined(CONFIG_BCM47XX_SSB)
909 if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb))
910 pr_warn("Failed to registered ssb SPROM handler\n");
911#endif
912
913#if defined(CONFIG_BCM47XX_BCMA)
914 if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma))
915 pr_warn("Failed to registered bcma SPROM handler\n");
916#endif
917}
Linux 6.x block layer and io_uring tree(s)