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 <linux/bcm47xx_nvram.h> |
30 | #include <linux/bcm47xx_sprom.h> |
31 | #include <linux/bcma/bcma.h> |
32 | #include <linux/etherdevice.h> |
33 | #include <linux/if_ether.h> |
34 | #include <linux/ssb/ssb.h> |
35 | |
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, size: len, fmt: "%s%s%s" , prefix, name, postfix); |
41 | else if (prefix) |
42 | snprintf(buf, size: len, fmt: "%s%s" , prefix, name); |
43 | else if (postfix) |
44 | snprintf(buf, size: len, fmt: "%s%s" , name, postfix); |
45 | else |
46 | snprintf(buf, size: len, fmt: "%s" , name); |
47 | } |
48 | |
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, buf: key, len: sizeof(key)); |
56 | |
57 | err = bcm47xx_nvram_getenv(name: key, val: buf, val_len: len); |
58 | if (fallback && err == -ENOENT && prefix) { |
59 | create_key(NULL, postfix, name, buf: key, len: sizeof(key)); |
60 | err = bcm47xx_nvram_getenv(name: key, val: buf, val_len: len); |
61 | } |
62 | return err; |
63 | } |
64 | |
65 | #define NVRAM_READ_VAL(type) \ |
66 | static void nvram_read_ ## type(const char *prefix, \ |
67 | const char *postfix, const char *name, \ |
68 | type *val, type allset, bool fallback) \ |
69 | { \ |
70 | char buf[100]; \ |
71 | int err; \ |
72 | type var; \ |
73 | \ |
74 | err = get_nvram_var(prefix, postfix, name, buf, sizeof(buf), \ |
75 | fallback); \ |
76 | if (err < 0) \ |
77 | return; \ |
78 | err = kstrto ## type(strim(buf), 0, &var); \ |
79 | if (err) { \ |
80 | pr_warn("can not parse nvram name %s%s%s with value %s got %i\n", \ |
81 | prefix, name, postfix, buf, err); \ |
82 | return; \ |
83 | } \ |
84 | if (allset && var == allset) \ |
85 | return; \ |
86 | *val = var; \ |
87 | } |
88 | |
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, |
97 | u16 *val_lo, u16 *val_hi, bool fallback) |
98 | { |
99 | char buf[100]; |
100 | int err; |
101 | u32 val; |
102 | |
103 | err = get_nvram_var(prefix, NULL, name, buf, len: sizeof(buf), fallback); |
104 | if (err < 0) |
105 | return; |
106 | err = kstrtou32(s: strim(buf), base: 0, res: &val); |
107 | if (err) { |
108 | pr_warn("can not parse nvram name %s%s with value %s got %i\n" , |
109 | prefix, name, buf, err); |
110 | return; |
111 | } |
112 | *val_lo = (val & 0x0000FFFFU); |
113 | *val_hi = (val & 0xFFFF0000U) >> 16; |
114 | } |
115 | |
116 | static void nvram_read_leddc(const char *prefix, const char *name, |
117 | u8 *leddc_on_time, u8 *leddc_off_time, |
118 | bool fallback) |
119 | { |
120 | char buf[100]; |
121 | int err; |
122 | u32 val; |
123 | |
124 | err = get_nvram_var(prefix, NULL, name, buf, len: sizeof(buf), fallback); |
125 | if (err < 0) |
126 | return; |
127 | err = kstrtou32(s: strim(buf), base: 0, res: &val); |
128 | if (err) { |
129 | pr_warn("can not parse nvram name %s%s with value %s got %i\n" , |
130 | prefix, name, buf, err); |
131 | return; |
132 | } |
133 | |
134 | if (val == 0xffff || val == 0xffffffff) |
135 | return; |
136 | |
137 | *leddc_on_time = val & 0xff; |
138 | *leddc_off_time = (val >> 16) & 0xff; |
139 | } |
140 | |
141 | static void nvram_read_macaddr(const char *prefix, const char *name, |
142 | u8 val[6], bool fallback) |
143 | { |
144 | char buf[100]; |
145 | int err; |
146 | |
147 | err = get_nvram_var(prefix, NULL, name, buf, len: sizeof(buf), fallback); |
148 | if (err < 0) |
149 | return; |
150 | |
151 | strreplace(str: buf, old: '-', new: ':'); |
152 | if (!mac_pton(s: buf, mac: val)) |
153 | pr_warn("Can not parse mac address: %s\n" , buf); |
154 | } |
155 | |
156 | static void nvram_read_alpha2(const char *prefix, const char *name, |
157 | char val[2], bool fallback) |
158 | { |
159 | char buf[10]; |
160 | int err; |
161 | |
162 | err = get_nvram_var(prefix, NULL, name, buf, len: sizeof(buf), fallback); |
163 | if (err < 0) |
164 | return; |
165 | if (buf[0] == '0') |
166 | return; |
167 | if (strlen(buf) > 2) { |
168 | pr_warn("alpha2 is too long %s\n" , buf); |
169 | return; |
170 | } |
171 | memcpy(val, buf, 2); |
172 | } |
173 | |
174 | /* This is one-function-only macro, it uses local "sprom" variable! */ |
175 | #define ENTRY(_revmask, _type, _prefix, _name, _val, _allset, _fallback) \ |
176 | if (_revmask & BIT(sprom->revision)) \ |
177 | nvram_read_ ## _type(_prefix, NULL, _name, &sprom->_val, \ |
178 | _allset, _fallback) |
179 | /* |
180 | * Special version of filling function that can be safely called for any 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 | |
194 | /* Broadcom extracts it for rev 8+ but it was found on 2 and 4 too */ |
195 | ENTRY(0xfffffffe, u16, pre, "devid" , dev_id, 0, fallback); |
196 | |
197 | ENTRY(0xfffffffe, u16, pre, "boardrev" , board_rev, 0, true); |
198 | ENTRY(0xfffffffe, u32, pre, "boardflags" , boardflags, 0, fb); |
199 | ENTRY(0xfffffff0, u32, pre, "boardflags2" , boardflags2, 0, fb); |
200 | ENTRY(0xfffff800, u32, pre, "boardflags3" , boardflags3, 0, fb); |
201 | ENTRY(0x00000002, u16, pre, "boardflags" , boardflags_lo, 0, fb); |
202 | ENTRY(0xfffffffc, u16, pre, "boardtype" , board_type, 0, true); |
203 | ENTRY(0xfffffffe, u16, pre, "boardnum" , board_num, 0, fb); |
204 | ENTRY(0x00000002, u8, pre, "cc" , country_code, 0, fb); |
205 | ENTRY(0xfffffff8, u8, pre, "regrev" , regrev, 0, fb); |
206 | |
207 | ENTRY(0xfffffffe, u8, pre, "ledbh0" , gpio0, 0xff, fb); |
208 | ENTRY(0xfffffffe, u8, pre, "ledbh1" , gpio1, 0xff, fb); |
209 | ENTRY(0xfffffffe, u8, pre, "ledbh2" , gpio2, 0xff, fb); |
210 | ENTRY(0xfffffffe, u8, pre, "ledbh3" , gpio3, 0xff, fb); |
211 | |
212 | ENTRY(0x0000070e, u16, pre, "pa0b0" , pa0b0, 0, fb); |
213 | ENTRY(0x0000070e, u16, pre, "pa0b1" , pa0b1, 0, fb); |
214 | ENTRY(0x0000070e, u16, pre, "pa0b2" , pa0b2, 0, fb); |
215 | ENTRY(0x0000070e, u8, pre, "pa0itssit" , itssi_bg, 0, fb); |
216 | ENTRY(0x0000070e, u8, pre, "pa0maxpwr" , maxpwr_bg, 0, fb); |
217 | |
218 | ENTRY(0x0000070c, u8, pre, "opo" , opo, 0, fb); |
219 | ENTRY(0xfffffffe, u8, pre, "aa2g" , ant_available_bg, 0, fb); |
220 | ENTRY(0xfffffffe, u8, pre, "aa5g" , ant_available_a, 0, fb); |
221 | ENTRY(0x000007fe, s8, pre, "ag0" , antenna_gain.a0, 0, fb); |
222 | ENTRY(0x000007fe, s8, pre, "ag1" , antenna_gain.a1, 0, fb); |
223 | ENTRY(0x000007f0, s8, pre, "ag2" , antenna_gain.a2, 0, fb); |
224 | ENTRY(0x000007f0, s8, pre, "ag3" , antenna_gain.a3, 0, fb); |
225 | |
226 | ENTRY(0x0000070e, u16, pre, "pa1b0" , pa1b0, 0, fb); |
227 | ENTRY(0x0000070e, u16, pre, "pa1b1" , pa1b1, 0, fb); |
228 | ENTRY(0x0000070e, u16, pre, "pa1b2" , pa1b2, 0, fb); |
229 | ENTRY(0x0000070c, u16, pre, "pa1lob0" , pa1lob0, 0, fb); |
230 | ENTRY(0x0000070c, u16, pre, "pa1lob1" , pa1lob1, 0, fb); |
231 | ENTRY(0x0000070c, u16, pre, "pa1lob2" , pa1lob2, 0, fb); |
232 | ENTRY(0x0000070c, u16, pre, "pa1hib0" , pa1hib0, 0, fb); |
233 | ENTRY(0x0000070c, u16, pre, "pa1hib1" , pa1hib1, 0, fb); |
234 | ENTRY(0x0000070c, u16, pre, "pa1hib2" , pa1hib2, 0, fb); |
235 | ENTRY(0x0000070e, u8, pre, "pa1itssit" , itssi_a, 0, fb); |
236 | ENTRY(0x0000070e, u8, pre, "pa1maxpwr" , maxpwr_a, 0, fb); |
237 | ENTRY(0x0000070c, u8, pre, "pa1lomaxpwr" , maxpwr_al, 0, fb); |
238 | ENTRY(0x0000070c, u8, pre, "pa1himaxpwr" , maxpwr_ah, 0, fb); |
239 | |
240 | ENTRY(0x00000708, u8, pre, "bxa2g" , bxa2g, 0, fb); |
241 | ENTRY(0x00000708, u8, pre, "rssisav2g" , rssisav2g, 0, fb); |
242 | ENTRY(0x00000708, u8, pre, "rssismc2g" , rssismc2g, 0, fb); |
243 | ENTRY(0x00000708, u8, pre, "rssismf2g" , rssismf2g, 0, fb); |
244 | ENTRY(0x00000708, u8, pre, "bxa5g" , bxa5g, 0, fb); |
245 | ENTRY(0x00000708, u8, pre, "rssisav5g" , rssisav5g, 0, fb); |
246 | ENTRY(0x00000708, u8, pre, "rssismc5g" , rssismc5g, 0, fb); |
247 | ENTRY(0x00000708, u8, pre, "rssismf5g" , rssismf5g, 0, fb); |
248 | ENTRY(0x00000708, u8, pre, "tri2g" , tri2g, 0, fb); |
249 | ENTRY(0x00000708, u8, pre, "tri5g" , tri5g, 0, fb); |
250 | ENTRY(0x00000708, u8, pre, "tri5gl" , tri5gl, 0, fb); |
251 | ENTRY(0x00000708, u8, pre, "tri5gh" , tri5gh, 0, fb); |
252 | ENTRY(0x00000708, s8, pre, "rxpo2g" , rxpo2g, 0, fb); |
253 | ENTRY(0x00000708, s8, pre, "rxpo5g" , rxpo5g, 0, fb); |
254 | ENTRY(0xfffffff0, u8, pre, "txchain" , txchain, 0xf, fb); |
255 | ENTRY(0xfffffff0, u8, pre, "rxchain" , rxchain, 0xf, fb); |
256 | ENTRY(0xfffffff0, u8, pre, "antswitch" , antswitch, 0xff, fb); |
257 | ENTRY(0x00000700, u8, pre, "tssipos2g" , fem.ghz2.tssipos, 0, fb); |
258 | ENTRY(0x00000700, u8, pre, "extpagain2g" , fem.ghz2.extpa_gain, 0, fb); |
259 | ENTRY(0x00000700, u8, pre, "pdetrange2g" , fem.ghz2.pdet_range, 0, fb); |
260 | ENTRY(0x00000700, u8, pre, "triso2g" , fem.ghz2.tr_iso, 0, fb); |
261 | ENTRY(0x00000700, u8, pre, "antswctl2g" , fem.ghz2.antswlut, 0, fb); |
262 | ENTRY(0x00000700, u8, pre, "tssipos5g" , fem.ghz5.tssipos, 0, fb); |
263 | ENTRY(0x00000700, u8, pre, "extpagain5g" , fem.ghz5.extpa_gain, 0, fb); |
264 | ENTRY(0x00000700, u8, pre, "pdetrange5g" , fem.ghz5.pdet_range, 0, fb); |
265 | ENTRY(0x00000700, u8, pre, "triso5g" , fem.ghz5.tr_iso, 0, fb); |
266 | ENTRY(0x00000700, u8, pre, "antswctl5g" , fem.ghz5.antswlut, 0, fb); |
267 | ENTRY(0x000000f0, u8, pre, "txpid2ga0" , txpid2g[0], 0, fb); |
268 | ENTRY(0x000000f0, u8, pre, "txpid2ga1" , txpid2g[1], 0, fb); |
269 | ENTRY(0x000000f0, u8, pre, "txpid2ga2" , txpid2g[2], 0, fb); |
270 | ENTRY(0x000000f0, u8, pre, "txpid2ga3" , txpid2g[3], 0, fb); |
271 | ENTRY(0x000000f0, u8, pre, "txpid5ga0" , txpid5g[0], 0, fb); |
272 | ENTRY(0x000000f0, u8, pre, "txpid5ga1" , txpid5g[1], 0, fb); |
273 | ENTRY(0x000000f0, u8, pre, "txpid5ga2" , txpid5g[2], 0, fb); |
274 | ENTRY(0x000000f0, u8, pre, "txpid5ga3" , txpid5g[3], 0, fb); |
275 | ENTRY(0x000000f0, u8, pre, "txpid5gla0" , txpid5gl[0], 0, fb); |
276 | ENTRY(0x000000f0, u8, pre, "txpid5gla1" , txpid5gl[1], 0, fb); |
277 | ENTRY(0x000000f0, u8, pre, "txpid5gla2" , txpid5gl[2], 0, fb); |
278 | ENTRY(0x000000f0, u8, pre, "txpid5gla3" , txpid5gl[3], 0, fb); |
279 | ENTRY(0x000000f0, u8, pre, "txpid5gha0" , txpid5gh[0], 0, fb); |
280 | ENTRY(0x000000f0, u8, pre, "txpid5gha1" , txpid5gh[1], 0, fb); |
281 | ENTRY(0x000000f0, u8, pre, "txpid5gha2" , txpid5gh[2], 0, fb); |
282 | ENTRY(0x000000f0, u8, pre, "txpid5gha3" , txpid5gh[3], 0, fb); |
283 | |
284 | ENTRY(0xffffff00, u8, pre, "tempthresh" , tempthresh, 0, fb); |
285 | ENTRY(0xffffff00, u8, pre, "tempoffset" , tempoffset, 0, fb); |
286 | ENTRY(0xffffff00, u16, pre, "rawtempsense" , rawtempsense, 0, fb); |
287 | ENTRY(0xffffff00, u8, pre, "measpower" , measpower, 0, fb); |
288 | ENTRY(0xffffff00, u8, pre, "tempsense_slope" , tempsense_slope, 0, fb); |
289 | ENTRY(0xffffff00, u8, pre, "tempcorrx" , tempcorrx, 0, fb); |
290 | ENTRY(0xffffff00, u8, pre, "tempsense_option" , tempsense_option, 0, fb); |
291 | ENTRY(0x00000700, u8, pre, "freqoffset_corr" , freqoffset_corr, 0, fb); |
292 | ENTRY(0x00000700, u8, pre, "iqcal_swp_dis" , iqcal_swp_dis, 0, fb); |
293 | ENTRY(0x00000700, u8, pre, "hw_iqcal_en" , hw_iqcal_en, 0, fb); |
294 | ENTRY(0x00000700, u8, pre, "elna2g" , elna2g, 0, fb); |
295 | ENTRY(0x00000700, u8, pre, "elna5g" , elna5g, 0, fb); |
296 | ENTRY(0xffffff00, u8, pre, "phycal_tempdelta" , phycal_tempdelta, 0, fb); |
297 | ENTRY(0xffffff00, u8, pre, "temps_period" , temps_period, 0, fb); |
298 | ENTRY(0xffffff00, u8, pre, "temps_hysteresis" , temps_hysteresis, 0, fb); |
299 | ENTRY(0xffffff00, u8, pre, "measpower1" , measpower1, 0, fb); |
300 | ENTRY(0xffffff00, u8, pre, "measpower2" , measpower2, 0, fb); |
301 | |
302 | ENTRY(0x000001f0, u16, pre, "cck2gpo" , cck2gpo, 0, fb); |
303 | ENTRY(0x000001f0, u32, pre, "ofdm2gpo" , ofdm2gpo, 0, fb); |
304 | ENTRY(0x000001f0, u32, pre, "ofdm5gpo" , ofdm5gpo, 0, fb); |
305 | ENTRY(0x000001f0, u32, pre, "ofdm5glpo" , ofdm5glpo, 0, fb); |
306 | ENTRY(0x000001f0, u32, pre, "ofdm5ghpo" , ofdm5ghpo, 0, fb); |
307 | ENTRY(0x000001f0, u16, pre, "mcs2gpo0" , mcs2gpo[0], 0, fb); |
308 | ENTRY(0x000001f0, u16, pre, "mcs2gpo1" , mcs2gpo[1], 0, fb); |
309 | ENTRY(0x000001f0, u16, pre, "mcs2gpo2" , mcs2gpo[2], 0, fb); |
310 | ENTRY(0x000001f0, u16, pre, "mcs2gpo3" , mcs2gpo[3], 0, fb); |
311 | ENTRY(0x000001f0, u16, pre, "mcs2gpo4" , mcs2gpo[4], 0, fb); |
312 | ENTRY(0x000001f0, u16, pre, "mcs2gpo5" , mcs2gpo[5], 0, fb); |
313 | ENTRY(0x000001f0, u16, pre, "mcs2gpo6" , mcs2gpo[6], 0, fb); |
314 | ENTRY(0x000001f0, u16, pre, "mcs2gpo7" , mcs2gpo[7], 0, fb); |
315 | ENTRY(0x000001f0, u16, pre, "mcs5gpo0" , mcs5gpo[0], 0, fb); |
316 | ENTRY(0x000001f0, u16, pre, "mcs5gpo1" , mcs5gpo[1], 0, fb); |
317 | ENTRY(0x000001f0, u16, pre, "mcs5gpo2" , mcs5gpo[2], 0, fb); |
318 | ENTRY(0x000001f0, u16, pre, "mcs5gpo3" , mcs5gpo[3], 0, fb); |
319 | ENTRY(0x000001f0, u16, pre, "mcs5gpo4" , mcs5gpo[4], 0, fb); |
320 | ENTRY(0x000001f0, u16, pre, "mcs5gpo5" , mcs5gpo[5], 0, fb); |
321 | ENTRY(0x000001f0, u16, pre, "mcs5gpo6" , mcs5gpo[6], 0, fb); |
322 | ENTRY(0x000001f0, u16, pre, "mcs5gpo7" , mcs5gpo[7], 0, fb); |
323 | ENTRY(0x000001f0, u16, pre, "mcs5glpo0" , mcs5glpo[0], 0, fb); |
324 | ENTRY(0x000001f0, u16, pre, "mcs5glpo1" , mcs5glpo[1], 0, fb); |
325 | ENTRY(0x000001f0, u16, pre, "mcs5glpo2" , mcs5glpo[2], 0, fb); |
326 | ENTRY(0x000001f0, u16, pre, "mcs5glpo3" , mcs5glpo[3], 0, fb); |
327 | ENTRY(0x000001f0, u16, pre, "mcs5glpo4" , mcs5glpo[4], 0, fb); |
328 | ENTRY(0x000001f0, u16, pre, "mcs5glpo5" , mcs5glpo[5], 0, fb); |
329 | ENTRY(0x000001f0, u16, pre, "mcs5glpo6" , mcs5glpo[6], 0, fb); |
330 | ENTRY(0x000001f0, u16, pre, "mcs5glpo7" , mcs5glpo[7], 0, fb); |
331 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo0" , mcs5ghpo[0], 0, fb); |
332 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo1" , mcs5ghpo[1], 0, fb); |
333 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo2" , mcs5ghpo[2], 0, fb); |
334 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo3" , mcs5ghpo[3], 0, fb); |
335 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo4" , mcs5ghpo[4], 0, fb); |
336 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo5" , mcs5ghpo[5], 0, fb); |
337 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo6" , mcs5ghpo[6], 0, fb); |
338 | ENTRY(0x000001f0, u16, pre, "mcs5ghpo7" , mcs5ghpo[7], 0, fb); |
339 | ENTRY(0x000001f0, u16, pre, "cddpo" , cddpo, 0, fb); |
340 | ENTRY(0x000001f0, u16, pre, "stbcpo" , stbcpo, 0, fb); |
341 | ENTRY(0x000001f0, u16, pre, "bw40po" , bw40po, 0, fb); |
342 | ENTRY(0x000001f0, u16, pre, "bwduppo" , bwduppo, 0, fb); |
343 | |
344 | ENTRY(0xfffffe00, u16, pre, "cckbw202gpo" , cckbw202gpo, 0, fb); |
345 | ENTRY(0xfffffe00, u16, pre, "cckbw20ul2gpo" , cckbw20ul2gpo, 0, fb); |
346 | ENTRY(0x00000600, u32, pre, "legofdmbw202gpo" , legofdmbw202gpo, 0, fb); |
347 | ENTRY(0x00000600, u32, pre, "legofdmbw20ul2gpo" , legofdmbw20ul2gpo, 0, fb); |
348 | ENTRY(0x00000600, u32, pre, "legofdmbw205glpo" , legofdmbw205glpo, 0, fb); |
349 | ENTRY(0x00000600, u32, pre, "legofdmbw20ul5glpo" , legofdmbw20ul5glpo, 0, fb); |
350 | ENTRY(0x00000600, u32, pre, "legofdmbw205gmpo" , legofdmbw205gmpo, 0, fb); |
351 | ENTRY(0x00000600, u32, pre, "legofdmbw20ul5gmpo" , legofdmbw20ul5gmpo, 0, fb); |
352 | ENTRY(0x00000600, u32, pre, "legofdmbw205ghpo" , legofdmbw205ghpo, 0, fb); |
353 | ENTRY(0x00000600, u32, pre, "legofdmbw20ul5ghpo" , legofdmbw20ul5ghpo, 0, fb); |
354 | ENTRY(0xfffffe00, u32, pre, "mcsbw202gpo" , mcsbw202gpo, 0, fb); |
355 | ENTRY(0x00000600, u32, pre, "mcsbw20ul2gpo" , mcsbw20ul2gpo, 0, fb); |
356 | ENTRY(0xfffffe00, u32, pre, "mcsbw402gpo" , mcsbw402gpo, 0, fb); |
357 | ENTRY(0xfffffe00, u32, pre, "mcsbw205glpo" , mcsbw205glpo, 0, fb); |
358 | ENTRY(0x00000600, u32, pre, "mcsbw20ul5glpo" , mcsbw20ul5glpo, 0, fb); |
359 | ENTRY(0xfffffe00, u32, pre, "mcsbw405glpo" , mcsbw405glpo, 0, fb); |
360 | ENTRY(0xfffffe00, u32, pre, "mcsbw205gmpo" , mcsbw205gmpo, 0, fb); |
361 | ENTRY(0x00000600, u32, pre, "mcsbw20ul5gmpo" , mcsbw20ul5gmpo, 0, fb); |
362 | ENTRY(0xfffffe00, u32, pre, "mcsbw405gmpo" , mcsbw405gmpo, 0, fb); |
363 | ENTRY(0xfffffe00, u32, pre, "mcsbw205ghpo" , mcsbw205ghpo, 0, fb); |
364 | ENTRY(0x00000600, u32, pre, "mcsbw20ul5ghpo" , mcsbw20ul5ghpo, 0, fb); |
365 | ENTRY(0xfffffe00, u32, pre, "mcsbw405ghpo" , mcsbw405ghpo, 0, fb); |
366 | ENTRY(0x00000600, u16, pre, "mcs32po" , mcs32po, 0, fb); |
367 | ENTRY(0x00000600, u16, pre, "legofdm40duppo" , legofdm40duppo, 0, fb); |
368 | ENTRY(0x00000700, u8, pre, "pcieingress_war" , pcieingress_war, 0, fb); |
369 | |
370 | /* TODO: rev 11 support */ |
371 | ENTRY(0x00000700, u8, pre, "rxgainerr2ga0" , rxgainerr2ga[0], 0, fb); |
372 | ENTRY(0x00000700, u8, pre, "rxgainerr2ga1" , rxgainerr2ga[1], 0, fb); |
373 | ENTRY(0x00000700, u8, pre, "rxgainerr2ga2" , rxgainerr2ga[2], 0, fb); |
374 | ENTRY(0x00000700, u8, pre, "rxgainerr5gla0" , rxgainerr5gla[0], 0, fb); |
375 | ENTRY(0x00000700, u8, pre, "rxgainerr5gla1" , rxgainerr5gla[1], 0, fb); |
376 | ENTRY(0x00000700, u8, pre, "rxgainerr5gla2" , rxgainerr5gla[2], 0, fb); |
377 | ENTRY(0x00000700, u8, pre, "rxgainerr5gma0" , rxgainerr5gma[0], 0, fb); |
378 | ENTRY(0x00000700, u8, pre, "rxgainerr5gma1" , rxgainerr5gma[1], 0, fb); |
379 | ENTRY(0x00000700, u8, pre, "rxgainerr5gma2" , rxgainerr5gma[2], 0, fb); |
380 | ENTRY(0x00000700, u8, pre, "rxgainerr5gha0" , rxgainerr5gha[0], 0, fb); |
381 | ENTRY(0x00000700, u8, pre, "rxgainerr5gha1" , rxgainerr5gha[1], 0, fb); |
382 | ENTRY(0x00000700, u8, pre, "rxgainerr5gha2" , rxgainerr5gha[2], 0, fb); |
383 | ENTRY(0x00000700, u8, pre, "rxgainerr5gua0" , rxgainerr5gua[0], 0, fb); |
384 | ENTRY(0x00000700, u8, pre, "rxgainerr5gua1" , rxgainerr5gua[1], 0, fb); |
385 | ENTRY(0x00000700, u8, pre, "rxgainerr5gua2" , rxgainerr5gua[2], 0, fb); |
386 | |
387 | ENTRY(0xfffffe00, u8, pre, "sar2g" , sar2g, 0, fb); |
388 | ENTRY(0xfffffe00, u8, pre, "sar5g" , sar5g, 0, fb); |
389 | |
390 | /* TODO: rev 11 support */ |
391 | ENTRY(0x00000700, u8, pre, "noiselvl2ga0" , noiselvl2ga[0], 0, fb); |
392 | ENTRY(0x00000700, u8, pre, "noiselvl2ga1" , noiselvl2ga[1], 0, fb); |
393 | ENTRY(0x00000700, u8, pre, "noiselvl2ga2" , noiselvl2ga[2], 0, fb); |
394 | ENTRY(0x00000700, u8, pre, "noiselvl5gla0" , noiselvl5gla[0], 0, fb); |
395 | ENTRY(0x00000700, u8, pre, "noiselvl5gla1" , noiselvl5gla[1], 0, fb); |
396 | ENTRY(0x00000700, u8, pre, "noiselvl5gla2" , noiselvl5gla[2], 0, fb); |
397 | ENTRY(0x00000700, u8, pre, "noiselvl5gma0" , noiselvl5gma[0], 0, fb); |
398 | ENTRY(0x00000700, u8, pre, "noiselvl5gma1" , noiselvl5gma[1], 0, fb); |
399 | ENTRY(0x00000700, u8, pre, "noiselvl5gma2" , noiselvl5gma[2], 0, fb); |
400 | ENTRY(0x00000700, u8, pre, "noiselvl5gha0" , noiselvl5gha[0], 0, fb); |
401 | ENTRY(0x00000700, u8, pre, "noiselvl5gha1" , noiselvl5gha[1], 0, fb); |
402 | ENTRY(0x00000700, u8, pre, "noiselvl5gha2" , noiselvl5gha[2], 0, fb); |
403 | ENTRY(0x00000700, u8, pre, "noiselvl5gua0" , noiselvl5gua[0], 0, fb); |
404 | ENTRY(0x00000700, u8, pre, "noiselvl5gua1" , noiselvl5gua[1], 0, fb); |
405 | ENTRY(0x00000700, u8, pre, "noiselvl5gua2" , noiselvl5gua[2], 0, fb); |
406 | } |
407 | #undef ENTRY /* It's specififc, uses local variable, don't use it (again). */ |
408 | |
409 | static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom, |
410 | const char *prefix, bool fallback) |
411 | { |
412 | char postfix[2]; |
413 | int i; |
414 | |
415 | for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { |
416 | struct ssb_sprom_core_pwr_info *pwr_info; |
417 | |
418 | pwr_info = &sprom->core_pwr_info[i]; |
419 | |
420 | snprintf(buf: postfix, size: sizeof(postfix), fmt: "%i" , i); |
421 | nvram_read_u8(prefix, postfix, name: "maxp2ga" , |
422 | val: &pwr_info->maxpwr_2g, allset: 0, fallback); |
423 | nvram_read_u8(prefix, postfix, name: "itt2ga" , |
424 | val: &pwr_info->itssi_2g, allset: 0, fallback); |
425 | nvram_read_u8(prefix, postfix, name: "itt5ga" , |
426 | val: &pwr_info->itssi_5g, allset: 0, fallback); |
427 | nvram_read_u16(prefix, postfix, name: "pa2gw0a" , |
428 | val: &pwr_info->pa_2g[0], allset: 0, fallback); |
429 | nvram_read_u16(prefix, postfix, name: "pa2gw1a" , |
430 | val: &pwr_info->pa_2g[1], allset: 0, fallback); |
431 | nvram_read_u16(prefix, postfix, name: "pa2gw2a" , |
432 | val: &pwr_info->pa_2g[2], allset: 0, fallback); |
433 | nvram_read_u8(prefix, postfix, name: "maxp5ga" , |
434 | val: &pwr_info->maxpwr_5g, allset: 0, fallback); |
435 | nvram_read_u8(prefix, postfix, name: "maxp5gha" , |
436 | val: &pwr_info->maxpwr_5gh, allset: 0, fallback); |
437 | nvram_read_u8(prefix, postfix, name: "maxp5gla" , |
438 | val: &pwr_info->maxpwr_5gl, allset: 0, fallback); |
439 | nvram_read_u16(prefix, postfix, name: "pa5gw0a" , |
440 | val: &pwr_info->pa_5g[0], allset: 0, fallback); |
441 | nvram_read_u16(prefix, postfix, name: "pa5gw1a" , |
442 | val: &pwr_info->pa_5g[1], allset: 0, fallback); |
443 | nvram_read_u16(prefix, postfix, name: "pa5gw2a" , |
444 | val: &pwr_info->pa_5g[2], allset: 0, fallback); |
445 | nvram_read_u16(prefix, postfix, name: "pa5glw0a" , |
446 | val: &pwr_info->pa_5gl[0], allset: 0, fallback); |
447 | nvram_read_u16(prefix, postfix, name: "pa5glw1a" , |
448 | val: &pwr_info->pa_5gl[1], allset: 0, fallback); |
449 | nvram_read_u16(prefix, postfix, name: "pa5glw2a" , |
450 | val: &pwr_info->pa_5gl[2], allset: 0, fallback); |
451 | nvram_read_u16(prefix, postfix, name: "pa5ghw0a" , |
452 | val: &pwr_info->pa_5gh[0], allset: 0, fallback); |
453 | nvram_read_u16(prefix, postfix, name: "pa5ghw1a" , |
454 | val: &pwr_info->pa_5gh[1], allset: 0, fallback); |
455 | nvram_read_u16(prefix, postfix, name: "pa5ghw2a" , |
456 | val: &pwr_info->pa_5gh[2], allset: 0, fallback); |
457 | } |
458 | } |
459 | |
460 | static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom, |
461 | const char *prefix, bool fallback) |
462 | { |
463 | char postfix[2]; |
464 | int i; |
465 | |
466 | for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { |
467 | struct ssb_sprom_core_pwr_info *pwr_info; |
468 | |
469 | pwr_info = &sprom->core_pwr_info[i]; |
470 | |
471 | snprintf(buf: postfix, size: sizeof(postfix), fmt: "%i" , i); |
472 | nvram_read_u16(prefix, postfix, name: "pa2gw3a" , |
473 | val: &pwr_info->pa_2g[3], allset: 0, fallback); |
474 | nvram_read_u16(prefix, postfix, name: "pa5gw3a" , |
475 | val: &pwr_info->pa_5g[3], allset: 0, fallback); |
476 | nvram_read_u16(prefix, postfix, name: "pa5glw3a" , |
477 | val: &pwr_info->pa_5gl[3], allset: 0, fallback); |
478 | nvram_read_u16(prefix, postfix, name: "pa5ghw3a" , |
479 | val: &pwr_info->pa_5gh[3], allset: 0, fallback); |
480 | } |
481 | } |
482 | |
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 | |
510 | static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, |
511 | const char *prefix, bool fallback) |
512 | { |
513 | bool fb = fallback; |
514 | |
515 | nvram_read_macaddr(prefix, name: "et0macaddr" , val: sprom->et0mac, fallback); |
516 | nvram_read_u8(prefix, NULL, name: "et0mdcport" , val: &sprom->et0mdcport, allset: 0, |
517 | fallback); |
518 | nvram_read_u8(prefix, NULL, name: "et0phyaddr" , val: &sprom->et0phyaddr, allset: 0, |
519 | fallback); |
520 | |
521 | nvram_read_macaddr(prefix, name: "et1macaddr" , val: sprom->et1mac, fallback); |
522 | nvram_read_u8(prefix, NULL, name: "et1mdcport" , val: &sprom->et1mdcport, allset: 0, |
523 | fallback); |
524 | nvram_read_u8(prefix, NULL, name: "et1phyaddr" , val: &sprom->et1phyaddr, allset: 0, |
525 | fallback); |
526 | |
527 | nvram_read_macaddr(prefix, name: "et2macaddr" , val: sprom->et2mac, fallback: fb); |
528 | nvram_read_u8(prefix, NULL, name: "et2mdcport" , val: &sprom->et2mdcport, allset: 0, fallback: fb); |
529 | nvram_read_u8(prefix, NULL, name: "et2phyaddr" , val: &sprom->et2phyaddr, allset: 0, fallback: fb); |
530 | |
531 | nvram_read_macaddr(prefix, name: "macaddr" , val: sprom->il0mac, fallback); |
532 | nvram_read_macaddr(prefix, name: "il0macaddr" , val: sprom->il0mac, fallback); |
533 | |
534 | /* The address prefix 00:90:4C is used by Broadcom in their initial |
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 | */ |
540 | if (!bcm47xx_is_valid_mac(mac: sprom->il0mac)) { |
541 | u8 mac[6]; |
542 | |
543 | nvram_read_macaddr(NULL, name: "et0macaddr" , val: mac, fallback: false); |
544 | if (bcm47xx_is_valid_mac(mac)) { |
545 | int err = bcm47xx_increase_mac_addr(mac, num: mac_addr_used); |
546 | |
547 | if (!err) { |
548 | ether_addr_copy(dst: sprom->il0mac, src: mac); |
549 | mac_addr_used++; |
550 | } |
551 | } |
552 | } |
553 | } |
554 | |
555 | static void bcm47xx_fill_board_data(struct ssb_sprom *sprom, const char *prefix, |
556 | bool fallback) |
557 | { |
558 | nvram_read_u32_2(prefix, name: "boardflags" , val_lo: &sprom->boardflags_lo, |
559 | val_hi: &sprom->boardflags_hi, fallback); |
560 | nvram_read_u32_2(prefix, name: "boardflags2" , val_lo: &sprom->boardflags2_lo, |
561 | val_hi: &sprom->boardflags2_hi, fallback); |
562 | } |
563 | |
564 | void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix, |
565 | bool fallback) |
566 | { |
567 | bcm47xx_fill_sprom_ethernet(sprom, prefix, fallback); |
568 | bcm47xx_fill_board_data(sprom, prefix, fallback); |
569 | |
570 | nvram_read_u8(prefix, NULL, name: "sromrev" , val: &sprom->revision, allset: 0, fallback); |
571 | |
572 | /* Entries requiring custom functions */ |
573 | nvram_read_alpha2(prefix, name: "ccode" , val: sprom->alpha2, fallback); |
574 | if (sprom->revision >= 3) |
575 | nvram_read_leddc(prefix, name: "leddc" , leddc_on_time: &sprom->leddc_on_time, |
576 | leddc_off_time: &sprom->leddc_off_time, fallback); |
577 | |
578 | switch (sprom->revision) { |
579 | case 4: |
580 | case 5: |
581 | bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); |
582 | bcm47xx_fill_sprom_path_r45(sprom, prefix, fallback); |
583 | break; |
584 | case 8: |
585 | case 9: |
586 | bcm47xx_fill_sprom_path_r4589(sprom, prefix, fallback); |
587 | break; |
588 | } |
589 | |
590 | bcm47xx_sprom_fill_auto(sprom, prefix, fallback); |
591 | } |
592 | |
593 | #if IS_BUILTIN(CONFIG_SSB) && IS_ENABLED(CONFIG_SSB_SPROM) |
594 | static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out) |
595 | { |
596 | char prefix[10]; |
597 | |
598 | switch (bus->bustype) { |
599 | case SSB_BUSTYPE_SSB: |
600 | bcm47xx_fill_sprom(sprom: out, NULL, fallback: false); |
601 | return 0; |
602 | case SSB_BUSTYPE_PCI: |
603 | memset(out, 0, sizeof(struct ssb_sprom)); |
604 | snprintf(buf: prefix, size: sizeof(prefix), fmt: "pci/%u/%u/" , |
605 | bus->host_pci->bus->number + 1, |
606 | PCI_SLOT(bus->host_pci->devfn)); |
607 | bcm47xx_fill_sprom(sprom: out, prefix, fallback: false); |
608 | return 0; |
609 | default: |
610 | pr_warn("Unable to fill SPROM for given bustype.\n" ); |
611 | return -EINVAL; |
612 | } |
613 | } |
614 | #endif |
615 | |
616 | #if IS_BUILTIN(CONFIG_BCMA) |
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(buf: nvram_var, size: sizeof(nvram_var), fmt: "devpath%d" , i) <= 0) |
638 | continue; |
639 | if (bcm47xx_nvram_getenv(name: nvram_var, val: buf, val_len: sizeof(buf)) < 0) |
640 | continue; |
641 | if (!strcmp(buf, prefix) || |
642 | (short_len && strlen(buf) == short_len && !strncmp(buf, prefix, short_len))) { |
643 | snprintf(buf: prefix, size: prefix_size, fmt: "%d:" , i); |
644 | return; |
645 | } |
646 | } |
647 | } |
648 | |
649 | static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) |
650 | { |
651 | struct bcma_boardinfo *binfo = &bus->boardinfo; |
652 | struct bcma_device *core; |
653 | char buf[10]; |
654 | char *prefix; |
655 | bool fallback = false; |
656 | |
657 | switch (bus->hosttype) { |
658 | case BCMA_HOSTTYPE_PCI: |
659 | memset(out, 0, sizeof(struct ssb_sprom)); |
660 | /* On BCM47XX all PCI buses share the same domain */ |
661 | if (IS_ENABLED(CONFIG_BCM47XX)) |
662 | snprintf(buf, size: sizeof(buf), fmt: "pci/%u/%u/" , |
663 | bus->host_pci->bus->number + 1, |
664 | PCI_SLOT(bus->host_pci->devfn)); |
665 | else |
666 | snprintf(buf, size: sizeof(buf), fmt: "pci/%u/%u/" , |
667 | pci_domain_nr(bus: bus->host_pci->bus) + 1, |
668 | bus->host_pci->bus->number); |
669 | bcm47xx_sprom_apply_prefix_alias(prefix: buf, prefix_size: sizeof(buf)); |
670 | prefix = buf; |
671 | break; |
672 | case BCMA_HOSTTYPE_SOC: |
673 | memset(out, 0, sizeof(struct ssb_sprom)); |
674 | core = bcma_find_core(bus, BCMA_CORE_80211); |
675 | if (core) { |
676 | snprintf(buf, size: sizeof(buf), fmt: "sb/%u/" , |
677 | core->core_index); |
678 | prefix = buf; |
679 | fallback = true; |
680 | } else { |
681 | prefix = NULL; |
682 | } |
683 | break; |
684 | default: |
685 | pr_warn("Unable to fill SPROM for given bustype.\n" ); |
686 | return -EINVAL; |
687 | } |
688 | |
689 | nvram_read_u16(prefix, NULL, name: "boardvendor" , val: &binfo->vendor, allset: 0, fallback: true); |
690 | if (!binfo->vendor) |
691 | binfo->vendor = SSB_BOARDVENDOR_BCM; |
692 | nvram_read_u16(prefix, NULL, name: "boardtype" , val: &binfo->type, allset: 0, fallback: true); |
693 | |
694 | bcm47xx_fill_sprom(sprom: out, prefix, fallback); |
695 | |
696 | return 0; |
697 | } |
698 | #endif |
699 | |
700 | static unsigned int bcm47xx_sprom_registered; |
701 | |
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 | */ |
706 | int bcm47xx_sprom_register_fallbacks(void) |
707 | { |
708 | if (bcm47xx_sprom_registered) |
709 | return 0; |
710 | |
711 | #if IS_BUILTIN(CONFIG_SSB) && IS_ENABLED(CONFIG_SSB_SPROM) |
712 | if (ssb_arch_register_fallback_sprom(sprom_callback: &bcm47xx_get_sprom_ssb)) |
713 | pr_warn("Failed to register ssb SPROM handler\n" ); |
714 | #endif |
715 | |
716 | #if IS_BUILTIN(CONFIG_BCMA) |
717 | if (bcma_arch_register_fallback_sprom(sprom_callback: &bcm47xx_get_sprom_bcma)) |
718 | pr_warn("Failed to register bcma SPROM handler\n" ); |
719 | #endif |
720 | |
721 | bcm47xx_sprom_registered = 1; |
722 | |
723 | return 0; |
724 | } |
725 | |
726 | fs_initcall(bcm47xx_sprom_register_fallbacks); |
727 | |