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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 RM |
29 | #include <linux/bcm47xx_nvram.h> |
30 | #include <linux/bcma/bcma.h> | |
103c0bf3 | 31 | #include <linux/etherdevice.h> |
2ab71a02 RM |
32 | #include <linux/if_ether.h> |
33 | #include <linux/ssb/ssb.h> | |
019eee2e HM |
34 | |
35 | static void create_key(const char *prefix, const char *postfix, | |
36 | const char *name, char *buf, int len) | |
37 | { | |
38 | if (prefix && postfix) | |
39 | snprintf(buf, len, "%s%s%s", prefix, name, postfix); | |
40 | else if (prefix) | |
41 | snprintf(buf, len, "%s%s", prefix, name); | |
42 | else if (postfix) | |
43 | snprintf(buf, len, "%s%s", name, postfix); | |
44 | else | |
45 | snprintf(buf, len, "%s", name); | |
46 | } | |
47 | ||
b8ebbaff HM |
48 | static int get_nvram_var(const char *prefix, const char *postfix, |
49 | const char *name, char *buf, int len, bool fallback) | |
50 | { | |
51 | char key[40]; | |
52 | int err; | |
53 | ||
54 | create_key(prefix, postfix, name, key, sizeof(key)); | |
55 | ||
111bd981 | 56 | err = bcm47xx_nvram_getenv(key, buf, len); |
ee7e2f3c | 57 | if (fallback && err == -ENOENT && prefix) { |
b8ebbaff | 58 | create_key(NULL, postfix, name, key, sizeof(key)); |
111bd981 | 59 | err = bcm47xx_nvram_getenv(key, buf, len); |
b8ebbaff HM |
60 | } |
61 | return err; | |
62 | } | |
63 | ||
019eee2e | 64 | #define NVRAM_READ_VAL(type) \ |
2f94acde RM |
65 | static void nvram_read_ ## type(const char *prefix, \ |
66 | const char *postfix, const char *name, \ | |
67 | type *val, type allset, bool fallback) \ | |
019eee2e HM |
68 | { \ |
69 | char buf[100]; \ | |
019eee2e HM |
70 | int err; \ |
71 | type var; \ | |
72 | \ | |
b8ebbaff HM |
73 | err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf), \ |
74 | fallback); \ | |
019eee2e HM |
75 | if (err < 0) \ |
76 | return; \ | |
924ffb7d | 77 | err = kstrto ## type(strim(buf), 0, &var); \ |
019eee2e | 78 | if (err) { \ |
b8ebbaff HM |
79 | pr_warn("can not parse nvram name %s%s%s with value %s got %i\n", \ |
80 | prefix, name, postfix, buf, err); \ | |
019eee2e HM |
81 | return; \ |
82 | } \ | |
83 | if (allset && var == allset) \ | |
84 | return; \ | |
85 | *val = var; \ | |
86 | } | |
87 | ||
88 | NVRAM_READ_VAL(u8) | |
89 | NVRAM_READ_VAL(s8) | |
90 | NVRAM_READ_VAL(u16) | |
91 | NVRAM_READ_VAL(u32) | |
92 | ||
93 | #undef NVRAM_READ_VAL | |
94 | ||
95 | static void nvram_read_u32_2(const char *prefix, const char *name, | |
b8ebbaff | 96 | u16 *val_lo, u16 *val_hi, bool fallback) |
019eee2e HM |
97 | { |
98 | char buf[100]; | |
019eee2e HM |
99 | int err; |
100 | u32 val; | |
101 | ||
b8ebbaff | 102 | err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
019eee2e HM |
103 | if (err < 0) |
104 | return; | |
924ffb7d | 105 | err = kstrtou32(strim(buf), 0, &val); |
019eee2e | 106 | if (err) { |
b8ebbaff HM |
107 | pr_warn("can not parse nvram name %s%s with value %s got %i\n", |
108 | prefix, name, buf, err); | |
019eee2e HM |
109 | return; |
110 | } | |
111 | *val_lo = (val & 0x0000FFFFU); | |
112 | *val_hi = (val & 0xFFFF0000U) >> 16; | |
113 | } | |
114 | ||
115 | static void nvram_read_leddc(const char *prefix, const char *name, | |
b8ebbaff HM |
116 | u8 *leddc_on_time, u8 *leddc_off_time, |
117 | bool fallback) | |
019eee2e HM |
118 | { |
119 | char buf[100]; | |
019eee2e HM |
120 | int err; |
121 | u32 val; | |
122 | ||
b8ebbaff | 123 | err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
019eee2e HM |
124 | if (err < 0) |
125 | return; | |
924ffb7d | 126 | err = kstrtou32(strim(buf), 0, &val); |
019eee2e | 127 | if (err) { |
b8ebbaff HM |
128 | pr_warn("can not parse nvram name %s%s with value %s got %i\n", |
129 | prefix, name, buf, err); | |
019eee2e HM |
130 | return; |
131 | } | |
132 | ||
133 | if (val == 0xffff || val == 0xffffffff) | |
134 | return; | |
135 | ||
136 | *leddc_on_time = val & 0xff; | |
137 | *leddc_off_time = (val >> 16) & 0xff; | |
138 | } | |
139 | ||
341097f1 RM |
140 | static void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6]) |
141 | { | |
142 | if (strchr(buf, ':')) | |
143 | sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], | |
144 | &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], | |
145 | &macaddr[5]); | |
146 | else if (strchr(buf, '-')) | |
147 | sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0], | |
148 | &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], | |
149 | &macaddr[5]); | |
150 | else | |
151 | pr_warn("Can not parse mac address: %s\n", buf); | |
152 | } | |
153 | ||
019eee2e | 154 | static void nvram_read_macaddr(const char *prefix, const char *name, |
710d86f8 | 155 | u8 val[6], bool fallback) |
019eee2e HM |
156 | { |
157 | char buf[100]; | |
019eee2e HM |
158 | int err; |
159 | ||
b8ebbaff | 160 | err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
019eee2e HM |
161 | if (err < 0) |
162 | return; | |
b8ebbaff | 163 | |
710d86f8 | 164 | bcm47xx_nvram_parse_macaddr(buf, val); |
019eee2e HM |
165 | } |
166 | ||
167 | static void nvram_read_alpha2(const char *prefix, const char *name, | |
710d86f8 | 168 | char val[2], bool fallback) |
019eee2e HM |
169 | { |
170 | char buf[10]; | |
019eee2e HM |
171 | int err; |
172 | ||
b8ebbaff | 173 | err = get_nvram_var(prefix, NULL, name, buf, sizeof(buf), fallback); |
019eee2e HM |
174 | if (err < 0) |
175 | return; | |
176 | if (buf[0] == '0') | |
177 | return; | |
178 | if (strlen(buf) > 2) { | |
b8ebbaff | 179 | pr_warn("alpha2 is too long %s\n", buf); |
019eee2e HM |
180 | return; |
181 | } | |
710d86f8 | 182 | memcpy(val, buf, 2); |
019eee2e HM |
183 | } |
184 | ||
d55a52cc RM |
185 | /* This is one-function-only macro, it uses local "sprom" variable! */ |
186 | #define ENTRY(_revmask, _type, _prefix, _name, _val, _allset, _fallback) \ | |
187 | if (_revmask & BIT(sprom->revision)) \ | |
188 | nvram_read_ ## _type(_prefix, NULL, _name, &sprom->_val, \ | |
189 | _allset, _fallback) | |
190 | /* | |
191 | * Special version of filling function that can be safely called for any SPROM | |
192 | * revision. For every NVRAM to SPROM mapping it contains bitmask of revisions | |
193 | * for which the mapping is valid. | |
194 | * It obviously requires some hexadecimal/bitmasks knowledge, but allows | |
195 | * writing cleaner code (easy revisions handling). | |
196 | * Note that while SPROM revision 0 was never used, we still keep BIT(0) | |
197 | * reserved for it, just to keep numbering sane. | |
198 | */ | |
199 | static void bcm47xx_sprom_fill_auto(struct ssb_sprom *sprom, | |
200 | const char *prefix, bool fallback) | |
201 | { | |
202 | const char *pre = prefix; | |
203 | bool fb = fallback; | |
204 | ||
590605c6 RM |
205 | /* Broadcom extracts it for rev 8+ but it was found on 2 and 4 too */ |
206 | ENTRY(0xfffffffe, u16, pre, "devid", dev_id, 0, fallback); | |
207 | ||
d55a52cc | 208 | ENTRY(0xfffffffe, u16, pre, "boardrev", board_rev, 0, true); |
1387fe7d RM |
209 | ENTRY(0xfffffffe, u32, pre, "boardflags", boardflags, 0, fb); |
210 | ENTRY(0xfffffff0, u32, pre, "boardflags2", boardflags2, 0, fb); | |
211 | ENTRY(0xfffff800, u32, pre, "boardflags3", boardflags3, 0, fb); | |
e754dfcf RM |
212 | ENTRY(0x00000002, u16, pre, "boardflags", boardflags_lo, 0, fb); |
213 | ENTRY(0xfffffffc, u16, pre, "boardtype", board_type, 0, true); | |
d55a52cc | 214 | ENTRY(0xfffffffe, u16, pre, "boardnum", board_num, 0, fb); |
e754dfcf RM |
215 | ENTRY(0x00000002, u8, pre, "cc", country_code, 0, fb); |
216 | ENTRY(0xfffffff8, u8, pre, "regrev", regrev, 0, fb); | |
217 | ||
218 | ENTRY(0xfffffffe, u8, pre, "ledbh0", gpio0, 0xff, fb); | |
219 | ENTRY(0xfffffffe, u8, pre, "ledbh1", gpio1, 0xff, fb); | |
220 | ENTRY(0xfffffffe, u8, pre, "ledbh2", gpio2, 0xff, fb); | |
221 | ENTRY(0xfffffffe, u8, pre, "ledbh3", gpio3, 0xff, fb); | |
222 | ||
223 | ENTRY(0x0000070e, u16, pre, "pa0b0", pa0b0, 0, fb); | |
224 | ENTRY(0x0000070e, u16, pre, "pa0b1", pa0b1, 0, fb); | |
225 | ENTRY(0x0000070e, u16, pre, "pa0b2", pa0b2, 0, fb); | |
226 | ENTRY(0x0000070e, u8, pre, "pa0itssit", itssi_bg, 0, fb); | |
227 | ENTRY(0x0000070e, u8, pre, "pa0maxpwr", maxpwr_bg, 0, fb); | |
228 | ||
229 | ENTRY(0x0000070c, u8, pre, "opo", opo, 0, fb); | |
230 | ENTRY(0xfffffffe, u8, pre, "aa2g", ant_available_bg, 0, fb); | |
231 | ENTRY(0xfffffffe, u8, pre, "aa5g", ant_available_a, 0, fb); | |
232 | ENTRY(0x000007fe, s8, pre, "ag0", antenna_gain.a0, 0, fb); | |
233 | ENTRY(0x000007fe, s8, pre, "ag1", antenna_gain.a1, 0, fb); | |
234 | ENTRY(0x000007f0, s8, pre, "ag2", antenna_gain.a2, 0, fb); | |
235 | ENTRY(0x000007f0, s8, pre, "ag3", antenna_gain.a3, 0, fb); | |
236 | ||
237 | ENTRY(0x0000070e, u16, pre, "pa1b0", pa1b0, 0, fb); | |
238 | ENTRY(0x0000070e, u16, pre, "pa1b1", pa1b1, 0, fb); | |
239 | ENTRY(0x0000070e, u16, pre, "pa1b2", pa1b2, 0, fb); | |
240 | ENTRY(0x0000070c, u16, pre, "pa1lob0", pa1lob0, 0, fb); | |
241 | ENTRY(0x0000070c, u16, pre, "pa1lob1", pa1lob1, 0, fb); | |
242 | ENTRY(0x0000070c, u16, pre, "pa1lob2", pa1lob2, 0, fb); | |
243 | ENTRY(0x0000070c, u16, pre, "pa1hib0", pa1hib0, 0, fb); | |
244 | ENTRY(0x0000070c, u16, pre, "pa1hib1", pa1hib1, 0, fb); | |
245 | ENTRY(0x0000070c, u16, pre, "pa1hib2", pa1hib2, 0, fb); | |
246 | ENTRY(0x0000070e, u8, pre, "pa1itssit", itssi_a, 0, fb); | |
247 | ENTRY(0x0000070e, u8, pre, "pa1maxpwr", maxpwr_a, 0, fb); | |
248 | ENTRY(0x0000070c, u8, pre, "pa1lomaxpwr", maxpwr_al, 0, fb); | |
249 | ENTRY(0x0000070c, u8, pre, "pa1himaxpwr", maxpwr_ah, 0, fb); | |
250 | ||
251 | ENTRY(0x00000708, u8, pre, "bxa2g", bxa2g, 0, fb); | |
252 | ENTRY(0x00000708, u8, pre, "rssisav2g", rssisav2g, 0, fb); | |
253 | ENTRY(0x00000708, u8, pre, "rssismc2g", rssismc2g, 0, fb); | |
254 | ENTRY(0x00000708, u8, pre, "rssismf2g", rssismf2g, 0, fb); | |
255 | ENTRY(0x00000708, u8, pre, "bxa5g", bxa5g, 0, fb); | |
256 | ENTRY(0x00000708, u8, pre, "rssisav5g", rssisav5g, 0, fb); | |
257 | ENTRY(0x00000708, u8, pre, "rssismc5g", rssismc5g, 0, fb); | |
258 | ENTRY(0x00000708, u8, pre, "rssismf5g", rssismf5g, 0, fb); | |
259 | ENTRY(0x00000708, u8, pre, "tri2g", tri2g, 0, fb); | |
260 | ENTRY(0x00000708, u8, pre, "tri5g", tri5g, 0, fb); | |
261 | ENTRY(0x00000708, u8, pre, "tri5gl", tri5gl, 0, fb); | |
262 | ENTRY(0x00000708, u8, pre, "tri5gh", tri5gh, 0, fb); | |
263 | ENTRY(0x00000708, s8, pre, "rxpo2g", rxpo2g, 0, fb); | |
264 | ENTRY(0x00000708, s8, pre, "rxpo5g", rxpo5g, 0, fb); | |
265 | ENTRY(0xfffffff0, u8, pre, "txchain", txchain, 0xf, fb); | |
266 | ENTRY(0xfffffff0, u8, pre, "rxchain", rxchain, 0xf, fb); | |
267 | ENTRY(0xfffffff0, u8, pre, "antswitch", antswitch, 0xff, fb); | |
268 | ENTRY(0x00000700, u8, pre, "tssipos2g", fem.ghz2.tssipos, 0, fb); | |
269 | ENTRY(0x00000700, u8, pre, "extpagain2g", fem.ghz2.extpa_gain, 0, fb); | |
270 | ENTRY(0x00000700, u8, pre, "pdetrange2g", fem.ghz2.pdet_range, 0, fb); | |
271 | ENTRY(0x00000700, u8, pre, "triso2g", fem.ghz2.tr_iso, 0, fb); | |
272 | ENTRY(0x00000700, u8, pre, "antswctl2g", fem.ghz2.antswlut, 0, fb); | |
273 | ENTRY(0x00000700, u8, pre, "tssipos5g", fem.ghz5.tssipos, 0, fb); | |
274 | ENTRY(0x00000700, u8, pre, "extpagain5g", fem.ghz5.extpa_gain, 0, fb); | |
275 | ENTRY(0x00000700, u8, pre, "pdetrange5g", fem.ghz5.pdet_range, 0, fb); | |
276 | ENTRY(0x00000700, u8, pre, "triso5g", fem.ghz5.tr_iso, 0, fb); | |
277 | ENTRY(0x00000700, u8, pre, "antswctl5g", fem.ghz5.antswlut, 0, fb); | |
278 | ENTRY(0x000000f0, u8, pre, "txpid2ga0", txpid2g[0], 0, fb); | |
279 | ENTRY(0x000000f0, u8, pre, "txpid2ga1", txpid2g[1], 0, fb); | |
280 | ENTRY(0x000000f0, u8, pre, "txpid2ga2", txpid2g[2], 0, fb); | |
281 | ENTRY(0x000000f0, u8, pre, "txpid2ga3", txpid2g[3], 0, fb); | |
282 | ENTRY(0x000000f0, u8, pre, "txpid5ga0", txpid5g[0], 0, fb); | |
283 | ENTRY(0x000000f0, u8, pre, "txpid5ga1", txpid5g[1], 0, fb); | |
284 | ENTRY(0x000000f0, u8, pre, "txpid5ga2", txpid5g[2], 0, fb); | |
285 | ENTRY(0x000000f0, u8, pre, "txpid5ga3", txpid5g[3], 0, fb); | |
286 | ENTRY(0x000000f0, u8, pre, "txpid5gla0", txpid5gl[0], 0, fb); | |
287 | ENTRY(0x000000f0, u8, pre, "txpid5gla1", txpid5gl[1], 0, fb); | |
288 | ENTRY(0x000000f0, u8, pre, "txpid5gla2", txpid5gl[2], 0, fb); | |
289 | ENTRY(0x000000f0, u8, pre, "txpid5gla3", txpid5gl[3], 0, fb); | |
290 | ENTRY(0x000000f0, u8, pre, "txpid5gha0", txpid5gh[0], 0, fb); | |
291 | ENTRY(0x000000f0, u8, pre, "txpid5gha1", txpid5gh[1], 0, fb); | |
292 | ENTRY(0x000000f0, u8, pre, "txpid5gha2", txpid5gh[2], 0, fb); | |
293 | ENTRY(0x000000f0, u8, pre, "txpid5gha3", txpid5gh[3], 0, fb); | |
294 | ||
295 | ENTRY(0xffffff00, u8, pre, "tempthresh", tempthresh, 0, fb); | |
296 | ENTRY(0xffffff00, u8, pre, "tempoffset", tempoffset, 0, fb); | |
297 | ENTRY(0xffffff00, u16, pre, "rawtempsense", rawtempsense, 0, fb); | |
298 | ENTRY(0xffffff00, u8, pre, "measpower", measpower, 0, fb); | |
299 | ENTRY(0xffffff00, u8, pre, "tempsense_slope", tempsense_slope, 0, fb); | |
300 | ENTRY(0xffffff00, u8, pre, "tempcorrx", tempcorrx, 0, fb); | |
301 | ENTRY(0xffffff00, u8, pre, "tempsense_option", tempsense_option, 0, fb); | |
302 | ENTRY(0x00000700, u8, pre, "freqoffset_corr", freqoffset_corr, 0, fb); | |
303 | ENTRY(0x00000700, u8, pre, "iqcal_swp_dis", iqcal_swp_dis, 0, fb); | |
304 | ENTRY(0x00000700, u8, pre, "hw_iqcal_en", hw_iqcal_en, 0, fb); | |
305 | ENTRY(0x00000700, u8, pre, "elna2g", elna2g, 0, fb); | |
306 | ENTRY(0x00000700, u8, pre, "elna5g", elna5g, 0, fb); | |
307 | ENTRY(0xffffff00, u8, pre, "phycal_tempdelta", phycal_tempdelta, 0, fb); | |
308 | ENTRY(0xffffff00, u8, pre, "temps_period", temps_period, 0, fb); | |
309 | ENTRY(0xffffff00, u8, pre, "temps_hysteresis", temps_hysteresis, 0, fb); | |
310 | ENTRY(0xffffff00, u8, pre, "measpower1", measpower1, 0, fb); | |
311 | ENTRY(0xffffff00, u8, pre, "measpower2", measpower2, 0, fb); | |
312 | ||
313 | ENTRY(0x000001f0, u16, pre, "cck2gpo", cck2gpo, 0, fb); | |
314 | ENTRY(0x000001f0, u32, pre, "ofdm2gpo", ofdm2gpo, 0, fb); | |
315 | ENTRY(0x000001f0, u32, pre, "ofdm5gpo", ofdm5gpo, 0, fb); | |
316 | ENTRY(0x000001f0, u32, pre, "ofdm5glpo", ofdm5glpo, 0, fb); | |
317 | ENTRY(0x000001f0, u32, pre, "ofdm5ghpo", ofdm5ghpo, 0, fb); | |
318 | ENTRY(0x000001f0, u16, pre, "mcs2gpo0", mcs2gpo[0], 0, fb); | |
319 | ENTRY(0x000001f0, u16, pre, "mcs2gpo1", mcs2gpo[1], 0, fb); | |
320 | ENTRY(0x000001f0, u16, pre, "mcs2gpo2", mcs2gpo[2], 0, fb); | |
321 | ENTRY(0x000001f0, u16, pre, "mcs2gpo3", mcs2gpo[3], 0, fb); | |
322 | ENTRY(0x000001f0, u16, pre, "mcs2gpo4", mcs2gpo[4], 0, fb); | |
323 | ENTRY(0x000001f0, u16, pre, "mcs2gpo5", mcs2gpo[5], 0, fb); | |
324 | ENTRY(0x000001f0, u16, pre, "mcs2gpo6", mcs2gpo[6], 0, fb); | |
325 | ENTRY(0x000001f0, u16, pre, "mcs2gpo7", mcs2gpo[7], 0, fb); | |
326 | ENTRY(0x000001f0, u16, pre, "mcs5gpo0", mcs5gpo[0], 0, fb); | |
327 | ENTRY(0x000001f0, u16, pre, "mcs5gpo1", mcs5gpo[1], 0, fb); | |
328 | ENTRY(0x000001f0, u16, pre, "mcs5gpo2", mcs5gpo[2], 0, fb); | |
329 | ENTRY(0x000001f0, u16, pre, "mcs5gpo3", mcs5gpo[3], 0, fb); | |
330 | ENTRY(0x000001f0, u16, pre, "mcs5gpo4", mcs5gpo[4], 0, fb); | |
331 | ENTRY(0x000001f0, u16, pre, "mcs5gpo5", mcs5gpo[5], 0, fb); | |
332 | ENTRY(0x000001f0, u16, pre, "mcs5gpo6", mcs5gpo[6], 0, fb); | |
333 | ENTRY(0x000001f0, u16, pre, "mcs5gpo7", mcs5gpo[7], 0, fb); | |
334 | ENTRY(0x000001f0, u16, pre, "mcs5glpo0", mcs5glpo[0], 0, fb); | |
335 | ENTRY(0x000001f0, u16, pre, "mcs5glpo1", mcs5glpo[1], 0, fb); | |
336 | ENTRY(0x000001f0, u16, pre, "mcs5glpo2", mcs5glpo[2], 0, fb); | |
337 | ENTRY(0x000001f0, u16, pre, "mcs5glpo3", mcs5glpo[3], 0, fb); | |
338 | ENTRY(0x000001f0, u16, pre, "mcs5glpo4", mcs5glpo[4], 0, fb); | |
339 | ENTRY(0x000001f0, u16, pre, "mcs5glpo5", mcs5glpo[5], 0, fb); | |
340 | ENTRY(0x000001f0, u16, pre, "mcs5glpo6", mcs5glpo[6], 0, fb); | |
341 | ENTRY(0x000001f0, u16, pre, "mcs5glpo7", mcs5glpo[7], 0, fb); | |
342 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo0", mcs5ghpo[0], 0, fb); | |
343 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo1", mcs5ghpo[1], 0, fb); | |
344 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo2", mcs5ghpo[2], 0, fb); | |
345 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo3", mcs5ghpo[3], 0, fb); | |
346 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo4", mcs5ghpo[4], 0, fb); | |
347 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo5", mcs5ghpo[5], 0, fb); | |
348 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo6", mcs5ghpo[6], 0, fb); | |
349 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo7", mcs5ghpo[7], 0, fb); | |
350 | ENTRY(0x000001f0, u16, pre, "cddpo", cddpo, 0, fb); | |
351 | ENTRY(0x000001f0, u16, pre, "stbcpo", stbcpo, 0, fb); | |
352 | ENTRY(0x000001f0, u16, pre, "bw40po", bw40po, 0, fb); | |
353 | ENTRY(0x000001f0, u16, pre, "bwduppo", bwduppo, 0, fb); | |
354 | ||
355 | ENTRY(0xfffffe00, u16, pre, "cckbw202gpo", cckbw202gpo, 0, fb); | |
356 | ENTRY(0xfffffe00, u16, pre, "cckbw20ul2gpo", cckbw20ul2gpo, 0, fb); | |
357 | ENTRY(0x00000600, u32, pre, "legofdmbw202gpo", legofdmbw202gpo, 0, fb); | |
358 | ENTRY(0x00000600, u32, pre, "legofdmbw20ul2gpo", legofdmbw20ul2gpo, 0, fb); | |
359 | ENTRY(0x00000600, u32, pre, "legofdmbw205glpo", legofdmbw205glpo, 0, fb); | |
360 | ENTRY(0x00000600, u32, pre, "legofdmbw20ul5glpo", legofdmbw20ul5glpo, 0, fb); | |
361 | ENTRY(0x00000600, u32, pre, "legofdmbw205gmpo", legofdmbw205gmpo, 0, fb); | |
362 | ENTRY(0x00000600, u32, pre, "legofdmbw20ul5gmpo", legofdmbw20ul5gmpo, 0, fb); | |
363 | ENTRY(0x00000600, u32, pre, "legofdmbw205ghpo", legofdmbw205ghpo, 0, fb); | |
364 | ENTRY(0x00000600, u32, pre, "legofdmbw20ul5ghpo", legofdmbw20ul5ghpo, 0, fb); | |
365 | ENTRY(0xfffffe00, u32, pre, "mcsbw202gpo", mcsbw202gpo, 0, fb); | |
366 | ENTRY(0x00000600, u32, pre, "mcsbw20ul2gpo", mcsbw20ul2gpo, 0, fb); | |
367 | ENTRY(0xfffffe00, u32, pre, "mcsbw402gpo", mcsbw402gpo, 0, fb); | |
368 | ENTRY(0xfffffe00, u32, pre, "mcsbw205glpo", mcsbw205glpo, 0, fb); | |
369 | ENTRY(0x00000600, u32, pre, "mcsbw20ul5glpo", mcsbw20ul5glpo, 0, fb); | |
370 | ENTRY(0xfffffe00, u32, pre, "mcsbw405glpo", mcsbw405glpo, 0, fb); | |
371 | ENTRY(0xfffffe00, u32, pre, "mcsbw205gmpo", mcsbw205gmpo, 0, fb); | |
372 | ENTRY(0x00000600, u32, pre, "mcsbw20ul5gmpo", mcsbw20ul5gmpo, 0, fb); | |
373 | ENTRY(0xfffffe00, u32, pre, "mcsbw405gmpo", mcsbw405gmpo, 0, fb); | |
374 | ENTRY(0xfffffe00, u32, pre, "mcsbw205ghpo", mcsbw205ghpo, 0, fb); | |
375 | ENTRY(0x00000600, u32, pre, "mcsbw20ul5ghpo", mcsbw20ul5ghpo, 0, fb); | |
376 | ENTRY(0xfffffe00, u32, pre, "mcsbw405ghpo", mcsbw405ghpo, 0, fb); | |
377 | ENTRY(0x00000600, u16, pre, "mcs32po", mcs32po, 0, fb); | |
378 | ENTRY(0x00000600, u16, pre, "legofdm40duppo", legofdm40duppo, 0, fb); | |
379 | ENTRY(0x00000700, u8, pre, "pcieingress_war", pcieingress_war, 0, fb); | |
380 | ||
381 | /* TODO: rev 11 support */ | |
382 | ENTRY(0x00000700, u8, pre, "rxgainerr2ga0", rxgainerr2ga[0], 0, fb); | |
383 | ENTRY(0x00000700, u8, pre, "rxgainerr2ga1", rxgainerr2ga[1], 0, fb); | |
384 | ENTRY(0x00000700, u8, pre, "rxgainerr2ga2", rxgainerr2ga[2], 0, fb); | |
385 | ENTRY(0x00000700, u8, pre, "rxgainerr5gla0", rxgainerr5gla[0], 0, fb); | |
386 | ENTRY(0x00000700, u8, pre, "rxgainerr5gla1", rxgainerr5gla[1], 0, fb); | |
387 | ENTRY(0x00000700, u8, pre, "rxgainerr5gla2", rxgainerr5gla[2], 0, fb); | |
388 | ENTRY(0x00000700, u8, pre, "rxgainerr5gma0", rxgainerr5gma[0], 0, fb); | |
389 | ENTRY(0x00000700, u8, pre, "rxgainerr5gma1", rxgainerr5gma[1], 0, fb); | |
390 | ENTRY(0x00000700, u8, pre, "rxgainerr5gma2", rxgainerr5gma[2], 0, fb); | |
391 | ENTRY(0x00000700, u8, pre, "rxgainerr5gha0", rxgainerr5gha[0], 0, fb); | |
392 | ENTRY(0x00000700, u8, pre, "rxgainerr5gha1", rxgainerr5gha[1], 0, fb); | |
393 | ENTRY(0x00000700, u8, pre, "rxgainerr5gha2", rxgainerr5gha[2], 0, fb); | |
394 | ENTRY(0x00000700, u8, pre, "rxgainerr5gua0", rxgainerr5gua[0], 0, fb); | |
395 | ENTRY(0x00000700, u8, pre, "rxgainerr5gua1", rxgainerr5gua[1], 0, fb); | |
396 | ENTRY(0x00000700, u8, pre, "rxgainerr5gua2", rxgainerr5gua[2], 0, fb); | |
397 | ||
398 | ENTRY(0xfffffe00, u8, pre, "sar2g", sar2g, 0, fb); | |
399 | ENTRY(0xfffffe00, u8, pre, "sar5g", sar5g, 0, fb); | |
400 | ||
401 | /* TODO: rev 11 support */ | |
402 | ENTRY(0x00000700, u8, pre, "noiselvl2ga0", noiselvl2ga[0], 0, fb); | |
403 | ENTRY(0x00000700, u8, pre, "noiselvl2ga1", noiselvl2ga[1], 0, fb); | |
404 | ENTRY(0x00000700, u8, pre, "noiselvl2ga2", noiselvl2ga[2], 0, fb); | |
405 | ENTRY(0x00000700, u8, pre, "noiselvl5gla0", noiselvl5gla[0], 0, fb); | |
406 | ENTRY(0x00000700, u8, pre, "noiselvl5gla1", noiselvl5gla[1], 0, fb); | |
407 | ENTRY(0x00000700, u8, pre, "noiselvl5gla2", noiselvl5gla[2], 0, fb); | |
408 | ENTRY(0x00000700, u8, pre, "noiselvl5gma0", noiselvl5gma[0], 0, fb); | |
409 | ENTRY(0x00000700, u8, pre, "noiselvl5gma1", noiselvl5gma[1], 0, fb); | |
410 | ENTRY(0x00000700, u8, pre, "noiselvl5gma2", noiselvl5gma[2], 0, fb); | |
411 | ENTRY(0x00000700, u8, pre, "noiselvl5gha0", noiselvl5gha[0], 0, fb); | |
412 | ENTRY(0x00000700, u8, pre, "noiselvl5gha1", noiselvl5gha[1], 0, fb); | |
413 | ENTRY(0x00000700, u8, pre, "noiselvl5gha2", noiselvl5gha[2], 0, fb); | |
414 | ENTRY(0x00000700, u8, pre, "noiselvl5gua0", noiselvl5gua[0], 0, fb); | |
415 | ENTRY(0x00000700, u8, pre, "noiselvl5gua1", noiselvl5gua[1], 0, fb); | |
416 | ENTRY(0x00000700, u8, pre, "noiselvl5gua2", noiselvl5gua[2], 0, fb); | |
d55a52cc RM |
417 | } |
418 | #undef ENTRY /* It's specififc, uses local variable, don't use it (again). */ | |
419 | ||
019eee2e | 420 | static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom, |
b8ebbaff | 421 | const char *prefix, bool fallback) |
019eee2e HM |
422 | { |
423 | char postfix[2]; | |
424 | int i; | |
425 | ||
426 | for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { | |
2f94acde RM |
427 | struct ssb_sprom_core_pwr_info *pwr_info; |
428 | ||
429 | pwr_info = &sprom->core_pwr_info[i]; | |
430 | ||
019eee2e HM |
431 | snprintf(postfix, sizeof(postfix), "%i", i); |
432 | nvram_read_u8(prefix, postfix, "maxp2ga", | |
b8ebbaff | 433 | &pwr_info->maxpwr_2g, 0, fallback); |
019eee2e | 434 | nvram_read_u8(prefix, postfix, "itt2ga", |
b8ebbaff | 435 | &pwr_info->itssi_2g, 0, fallback); |
019eee2e | 436 | nvram_read_u8(prefix, postfix, "itt5ga", |
b8ebbaff | 437 | &pwr_info->itssi_5g, 0, fallback); |
019eee2e | 438 | nvram_read_u16(prefix, postfix, "pa2gw0a", |
b8ebbaff | 439 | &pwr_info->pa_2g[0], 0, fallback); |
019eee2e | 440 | nvram_read_u16(prefix, postfix, "pa2gw1a", |
b8ebbaff | 441 | &pwr_info->pa_2g[1], 0, fallback); |
019eee2e | 442 | nvram_read_u16(prefix, postfix, "pa2gw2a", |
b8ebbaff | 443 | &pwr_info->pa_2g[2], 0, fallback); |
019eee2e | 444 | nvram_read_u8(prefix, postfix, "maxp5ga", |
b8ebbaff | 445 | &pwr_info->maxpwr_5g, 0, fallback); |
019eee2e | 446 | nvram_read_u8(prefix, postfix, "maxp5gha", |
b8ebbaff | 447 | &pwr_info->maxpwr_5gh, 0, fallback); |
019eee2e | 448 | nvram_read_u8(prefix, postfix, "maxp5gla", |
b8ebbaff | 449 | &pwr_info->maxpwr_5gl, 0, fallback); |
019eee2e | 450 | nvram_read_u16(prefix, postfix, "pa5gw0a", |
b8ebbaff | 451 | &pwr_info->pa_5g[0], 0, fallback); |
019eee2e | 452 | nvram_read_u16(prefix, postfix, "pa5gw1a", |
b8ebbaff | 453 | &pwr_info->pa_5g[1], 0, fallback); |
019eee2e | 454 | nvram_read_u16(prefix, postfix, "pa5gw2a", |
b8ebbaff | 455 | &pwr_info->pa_5g[2], 0, fallback); |
019eee2e | 456 | nvram_read_u16(prefix, postfix, "pa5glw0a", |
b8ebbaff | 457 | &pwr_info->pa_5gl[0], 0, fallback); |
019eee2e | 458 | nvram_read_u16(prefix, postfix, "pa5glw1a", |
b8ebbaff | 459 | &pwr_info->pa_5gl[1], 0, fallback); |
019eee2e | 460 | nvram_read_u16(prefix, postfix, "pa5glw2a", |
b8ebbaff | 461 | &pwr_info->pa_5gl[2], 0, fallback); |
019eee2e | 462 | nvram_read_u16(prefix, postfix, "pa5ghw0a", |
b8ebbaff | 463 | &pwr_info->pa_5gh[0], 0, fallback); |
019eee2e | 464 | nvram_read_u16(prefix, postfix, "pa5ghw1a", |
b8ebbaff | 465 | &pwr_info->pa_5gh[1], 0, fallback); |
019eee2e | 466 | nvram_read_u16(prefix, postfix, "pa5ghw2a", |
b8ebbaff | 467 | &pwr_info->pa_5gh[2], 0, fallback); |
019eee2e HM |
468 | } |
469 | } | |
470 | ||
471 | static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom, | |
b8ebbaff | 472 | const char *prefix, bool fallback) |
019eee2e HM |
473 | { |
474 | char postfix[2]; | |
475 | int i; | |
476 | ||
477 | for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { | |
2f94acde RM |
478 | struct ssb_sprom_core_pwr_info *pwr_info; |
479 | ||
480 | pwr_info = &sprom->core_pwr_info[i]; | |
481 | ||
019eee2e HM |
482 | snprintf(postfix, sizeof(postfix), "%i", i); |
483 | nvram_read_u16(prefix, postfix, "pa2gw3a", | |
b8ebbaff | 484 | &pwr_info->pa_2g[3], 0, fallback); |
019eee2e | 485 | nvram_read_u16(prefix, postfix, "pa5gw3a", |
b8ebbaff | 486 | &pwr_info->pa_5g[3], 0, fallback); |
019eee2e | 487 | nvram_read_u16(prefix, postfix, "pa5glw3a", |
b8ebbaff | 488 | &pwr_info->pa_5gl[3], 0, fallback); |
019eee2e | 489 | nvram_read_u16(prefix, postfix, "pa5ghw3a", |
b8ebbaff | 490 | &pwr_info->pa_5gh[3], 0, fallback); |
019eee2e HM |
491 | } |
492 | } | |
493 | ||
103c0bf3 HM |
494 | static bool bcm47xx_is_valid_mac(u8 *mac) |
495 | { | |
496 | return mac && !(mac[0] == 0x00 && mac[1] == 0x90 && mac[2] == 0x4c); | |
497 | } | |
498 | ||
499 | static int bcm47xx_increase_mac_addr(u8 *mac, u8 num) | |
500 | { | |
501 | u8 *oui = mac + ETH_ALEN/2 - 1; | |
502 | u8 *p = mac + ETH_ALEN - 1; | |
503 | ||
504 | do { | |
505 | (*p) += num; | |
506 | if (*p > num) | |
507 | break; | |
508 | p--; | |
509 | num = 1; | |
510 | } while (p != oui); | |
511 | ||
512 | if (p == oui) { | |
513 | pr_err("unable to fetch mac address\n"); | |
514 | return -ENOENT; | |
515 | } | |
516 | return 0; | |
517 | } | |
518 | ||
519 | static int mac_addr_used = 2; | |
520 | ||
b8ebbaff HM |
521 | static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, |
522 | const char *prefix, bool fallback) | |
019eee2e | 523 | { |
6e122ac0 RM |
524 | bool fb = fallback; |
525 | ||
710d86f8 | 526 | nvram_read_macaddr(prefix, "et0macaddr", sprom->et0mac, fallback); |
b8ebbaff HM |
527 | nvram_read_u8(prefix, NULL, "et0mdcport", &sprom->et0mdcport, 0, |
528 | fallback); | |
529 | nvram_read_u8(prefix, NULL, "et0phyaddr", &sprom->et0phyaddr, 0, | |
530 | fallback); | |
531 | ||
710d86f8 | 532 | nvram_read_macaddr(prefix, "et1macaddr", sprom->et1mac, fallback); |
b8ebbaff HM |
533 | nvram_read_u8(prefix, NULL, "et1mdcport", &sprom->et1mdcport, 0, |
534 | fallback); | |
535 | nvram_read_u8(prefix, NULL, "et1phyaddr", &sprom->et1phyaddr, 0, | |
536 | fallback); | |
537 | ||
6e122ac0 RM |
538 | nvram_read_macaddr(prefix, "et2macaddr", sprom->et2mac, fb); |
539 | nvram_read_u8(prefix, NULL, "et2mdcport", &sprom->et2mdcport, 0, fb); | |
540 | nvram_read_u8(prefix, NULL, "et2phyaddr", &sprom->et2phyaddr, 0, fb); | |
541 | ||
710d86f8 IM |
542 | nvram_read_macaddr(prefix, "macaddr", sprom->il0mac, fallback); |
543 | nvram_read_macaddr(prefix, "il0macaddr", sprom->il0mac, fallback); | |
103c0bf3 HM |
544 | |
545 | /* The address prefix 00:90:4C is used by Broadcom in their initial | |
2f94acde RM |
546 | * configuration. When a mac address with the prefix 00:90:4C is used |
547 | * all devices from the same series are sharing the same mac address. | |
548 | * To prevent mac address collisions we replace them with a mac address | |
549 | * based on the base address. | |
550 | */ | |
103c0bf3 HM |
551 | if (!bcm47xx_is_valid_mac(sprom->il0mac)) { |
552 | u8 mac[6]; | |
553 | ||
554 | nvram_read_macaddr(NULL, "et0macaddr", mac, false); | |
555 | if (bcm47xx_is_valid_mac(mac)) { | |
556 | int err = bcm47xx_increase_mac_addr(mac, mac_addr_used); | |
557 | ||
558 | if (!err) { | |
559 | ether_addr_copy(sprom->il0mac, mac); | |
560 | mac_addr_used++; | |
561 | } | |
562 | } | |
563 | } | |
019eee2e HM |
564 | } |
565 | ||
b8ebbaff HM |
566 | static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix, |
567 | bool fallback) | |
5d24ceab | 568 | { |
5d24ceab | 569 | nvram_read_u32_2(prefix, "boardflags", &sprom->boardflags_lo, |
b8ebbaff | 570 | &sprom->boardflags_hi, fallback); |
5d24ceab | 571 | nvram_read_u32_2(prefix, "boardflags2", &sprom->boardflags2_lo, |
b8ebbaff | 572 | &sprom->boardflags2_hi, fallback); |
5d24ceab HM |
573 | } |
574 | ||
b8ebbaff HM |
575 | void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix, |
576 | bool fallback) | |
019eee2e | 577 | { |
b8ebbaff HM |
578 | bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback); |
579 | bcm47xx_fill_board_data(sprom, prefix, fallback); | |
019eee2e | 580 | |
b8ebbaff | 581 | nvram_read_u8(prefix, NULL, "sromrev", &sprom->revision, 0, fallback); |
019eee2e | 582 | |
590605c6 RM |
583 | /* Entries requiring custom functions */ |
584 | nvram_read_alpha2(prefix, "ccode", sprom->alpha2, fallback); | |
585 | if (sprom->revision >= 3) | |
586 | nvram_read_leddc(prefix, "leddc", &sprom->leddc_on_time, | |
587 | &sprom->leddc_off_time, fallback); | |
588 | ||
019eee2e | 589 | switch (sprom->revision) { |
019eee2e HM |
590 | case 4: |
591 | case 5: | |
b8ebbaff HM |
592 | bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); |
593 | bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback); | |
019eee2e HM |
594 | break; |
595 | case 8: | |
019eee2e | 596 | case 9: |
b8ebbaff | 597 | bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); |
019eee2e | 598 | break; |
019eee2e | 599 | } |
d55a52cc RM |
600 | |
601 | bcm47xx_sprom_fill_auto(sprom, prefix, fallback); | |
019eee2e | 602 | } |
a9bba182 | 603 | |
2ab71a02 | 604 | #if IS_BUILTIN(CONFIG_SSB) && IS_ENABLED(CONFIG_SSB_SPROM) |
a59da8fb RM |
605 | static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out) |
606 | { | |
607 | char prefix[10]; | |
608 | ||
daa7ce02 RM |
609 | switch (bus->bustype) { |
610 | case SSB_BUSTYPE_SSB: | |
611 | bcm47xx_fill_sprom(out, NULL, false); | |
612 | return 0; | |
613 | case SSB_BUSTYPE_PCI: | |
a59da8fb RM |
614 | memset(out, 0, sizeof(struct ssb_sprom)); |
615 | snprintf(prefix, sizeof(prefix), "pci/%u/%u/", | |
616 | bus->host_pci->bus->number + 1, | |
617 | PCI_SLOT(bus->host_pci->devfn)); | |
618 | bcm47xx_fill_sprom(out, prefix, false); | |
619 | return 0; | |
daa7ce02 | 620 | default: |
d548ca6b | 621 | pr_warn("Unable to fill SPROM for given bustype.\n"); |
a59da8fb RM |
622 | return -EINVAL; |
623 | } | |
624 | } | |
625 | #endif | |
626 | ||
2ab71a02 | 627 | #if IS_BUILTIN(CONFIG_BCMA) |
9a6a2b96 RM |
628 | /* |
629 | * Having many NVRAM entries for PCI devices led to repeating prefixes like | |
630 | * pci/1/1/ all the time and wasting flash space. So at some point Broadcom | |
631 | * decided to introduce prefixes like 0: 1: 2: etc. | |
632 | * If we find e.g. devpath0=pci/2/1 or devpath0=pci/2/1/ we should use 0: | |
633 | * instead of pci/2/1/. | |
634 | */ | |
635 | static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size) | |
636 | { | |
637 | size_t prefix_len = strlen(prefix); | |
638 | size_t short_len = prefix_len - 1; | |
639 | char nvram_var[10]; | |
640 | char buf[20]; | |
641 | int i; | |
642 | ||
643 | /* Passed prefix has to end with a slash */ | |
644 | if (prefix_len <= 0 || prefix[prefix_len - 1] != '/') | |
645 | return; | |
646 | ||
647 | for (i = 0; i < 3; i++) { | |
648 | if (snprintf(nvram_var, sizeof(nvram_var), "devpath%d", i) <= 0) | |
649 | continue; | |
650 | if (bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf)) < 0) | |
651 | continue; | |
652 | if (!strcmp(buf, prefix) || | |
653 | (short_len && strlen(buf) == short_len && !strncmp(buf, prefix, short_len))) { | |
654 | snprintf(prefix, prefix_size, "%d:", i); | |
655 | return; | |
656 | } | |
657 | } | |
658 | } | |
659 | ||
a59da8fb RM |
660 | static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) |
661 | { | |
26238994 | 662 | struct bcma_boardinfo *binfo = &bus->boardinfo; |
a59da8fb | 663 | struct bcma_device *core; |
26238994 RM |
664 | char buf[10]; |
665 | char *prefix; | |
666 | bool fallback = false; | |
a59da8fb RM |
667 | |
668 | switch (bus->hosttype) { | |
669 | case BCMA_HOSTTYPE_PCI: | |
670 | memset(out, 0, sizeof(struct ssb_sprom)); | |
3d1f664a | 671 | /* On BCM47XX all PCI buses share the same domain */ |
97f2645f | 672 | if (IS_ENABLED(CONFIG_BCM47XX)) |
3d1f664a RM |
673 | snprintf(buf, sizeof(buf), "pci/%u/%u/", |
674 | bus->host_pci->bus->number + 1, | |
675 | PCI_SLOT(bus->host_pci->devfn)); | |
676 | else | |
677 | snprintf(buf, sizeof(buf), "pci/%u/%u/", | |
678 | pci_domain_nr(bus->host_pci->bus) + 1, | |
679 | bus->host_pci->bus->number); | |
26238994 RM |
680 | bcm47xx_sprom_apply_prefix_alias(buf, sizeof(buf)); |
681 | prefix = buf; | |
682 | break; | |
a59da8fb RM |
683 | case BCMA_HOSTTYPE_SOC: |
684 | memset(out, 0, sizeof(struct ssb_sprom)); | |
685 | core = bcma_find_core(bus, BCMA_CORE_80211); | |
686 | if (core) { | |
26238994 | 687 | snprintf(buf, sizeof(buf), "sb/%u/", |
a59da8fb | 688 | core->core_index); |
26238994 RM |
689 | prefix = buf; |
690 | fallback = true; | |
a59da8fb | 691 | } else { |
26238994 | 692 | prefix = NULL; |
a59da8fb | 693 | } |
26238994 | 694 | break; |
a59da8fb | 695 | default: |
d548ca6b | 696 | pr_warn("Unable to fill SPROM for given bustype.\n"); |
a59da8fb RM |
697 | return -EINVAL; |
698 | } | |
26238994 RM |
699 | |
700 | nvram_read_u16(prefix, NULL, "boardvendor", &binfo->vendor, 0, true); | |
701 | if (!binfo->vendor) | |
702 | binfo->vendor = SSB_BOARDVENDOR_BCM; | |
703 | nvram_read_u16(prefix, NULL, "boardtype", &binfo->type, 0, true); | |
704 | ||
705 | bcm47xx_fill_sprom(out, prefix, fallback); | |
706 | ||
707 | return 0; | |
a59da8fb RM |
708 | } |
709 | #endif | |
710 | ||
2ab71a02 RM |
711 | static unsigned int bcm47xx_sprom_registered; |
712 | ||
a59da8fb RM |
713 | /* |
714 | * On bcm47xx we need to register SPROM fallback handler very early, so we can't | |
715 | * use anything like platform device / driver for this. | |
716 | */ | |
2ab71a02 | 717 | int bcm47xx_sprom_register_fallbacks(void) |
a59da8fb | 718 | { |
2ab71a02 RM |
719 | if (bcm47xx_sprom_registered) |
720 | return 0; | |
721 | ||
722 | #if IS_BUILTIN(CONFIG_SSB) && IS_ENABLED(CONFIG_SSB_SPROM) | |
a59da8fb | 723 | if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb)) |
748ac56b | 724 | pr_warn("Failed to register ssb SPROM handler\n"); |
a59da8fb RM |
725 | #endif |
726 | ||
2ab71a02 | 727 | #if IS_BUILTIN(CONFIG_BCMA) |
a59da8fb | 728 | if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma)) |
748ac56b | 729 | pr_warn("Failed to register bcma SPROM handler\n"); |
a59da8fb | 730 | #endif |
2ab71a02 RM |
731 | |
732 | bcm47xx_sprom_registered = 1; | |
733 | ||
734 | return 0; | |
a59da8fb | 735 | } |
2ab71a02 RM |
736 | |
737 | fs_initcall(bcm47xx_sprom_register_fallbacks); |