1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/errno.h>
3 #include <linux/export.h>
4 #include <linux/string.h>
5 #include <bcm47xx.h>
6 #include <bcm47xx_board.h>
7
8 struct bcm47xx_board_type {
9 const enum bcm47xx_board board;
10 const char *name;
11 };
12
13 struct bcm47xx_board_type_list1 {
14 struct bcm47xx_board_type board;
15 const char *value1;
16 };
17
18 struct bcm47xx_board_type_list2 {
19 struct bcm47xx_board_type board;
20 const char *value1;
21 const char *value2;
22 };
23
24 struct bcm47xx_board_type_list3 {
25 struct bcm47xx_board_type board;
26 const char *value1;
27 const char *value2;
28 const char *value3;
29 };
30
31 struct bcm47xx_board_store {
32 enum bcm47xx_board board;
33 char name[BCM47XX_BOARD_MAX_NAME];
34 };
35
36 /* model_name */
37 static const
38 struct bcm47xx_board_type_list1 bcm47xx_board_list_model_name[] __initconst = {
39 {{BCM47XX_BOARD_DLINK_DIR130, "D-Link DIR-130"}, "DIR-130"},
40 {{BCM47XX_BOARD_DLINK_DIR330, "D-Link DIR-330"}, "DIR-330"},
41 { {0}, NULL},
42 };
43
44 /* hardware_version */
45 static const
46 struct bcm47xx_board_type_list1 bcm47xx_board_list_hardware_version[] __initconst = {
47 {{BCM47XX_BOARD_ASUS_RTN10U, "Asus RT-N10U"}, "RTN10U"},
48 {{BCM47XX_BOARD_ASUS_RTN10D, "Asus RT-N10D"}, "RTN10D"},
49 {{BCM47XX_BOARD_ASUS_RTN12, "Asus RT-N12"}, "RT-N12"},
50 {{BCM47XX_BOARD_ASUS_RTN12B1, "Asus RT-N12B1"}, "RTN12B1"},
51 {{BCM47XX_BOARD_ASUS_RTN12C1, "Asus RT-N12C1"}, "RTN12C1"},
52 {{BCM47XX_BOARD_ASUS_RTN12D1, "Asus RT-N12D1"}, "RTN12D1"},
53 {{BCM47XX_BOARD_ASUS_RTN12HP, "Asus RT-N12HP"}, "RTN12HP"},
54 {{BCM47XX_BOARD_ASUS_RTN16, "Asus RT-N16"}, "RT-N16-"},
55 {{BCM47XX_BOARD_ASUS_WL320GE, "Asus WL320GE"}, "WL320G-"},
56 {{BCM47XX_BOARD_ASUS_WL330GE, "Asus WL330GE"}, "WL330GE-"},
57 {{BCM47XX_BOARD_ASUS_WL500GD, "Asus WL500GD"}, "WL500gd-"},
58 {{BCM47XX_BOARD_ASUS_WL500GPV1, "Asus WL500GP V1"}, "WL500gp-"},
59 {{BCM47XX_BOARD_ASUS_WL500GPV2, "Asus WL500GP V2"}, "WL500GPV2-"},
60 {{BCM47XX_BOARD_ASUS_WL500W, "Asus WL500W"}, "WL500gW-"},
61 {{BCM47XX_BOARD_ASUS_WL520GC, "Asus WL520GC"}, "WL520GC-"},
62 {{BCM47XX_BOARD_ASUS_WL520GU, "Asus WL520GU"}, "WL520GU-"},
63 {{BCM47XX_BOARD_BELKIN_F7D3301, "Belkin F7D3301"}, "F7D3301"},
64 {{BCM47XX_BOARD_BELKIN_F7D3302, "Belkin F7D3302"}, "F7D3302"},
65 {{BCM47XX_BOARD_BELKIN_F7D4301, "Belkin F7D4301"}, "F7D4301"},
66 {{BCM47XX_BOARD_BELKIN_F7D4302, "Belkin F7D4302"}, "F7D4302"},
67 {{BCM47XX_BOARD_BELKIN_F7D4401, "Belkin F7D4401"}, "F7D4401"},
68 { {0}, NULL},
69 };
70
71 /* hardware_version, boardnum */
72 static const
73 struct bcm47xx_board_type_list2 bcm47xx_board_list_hw_version_num[] __initconst = {
74 {{BCM47XX_BOARD_MICROSOFT_MN700, "Microsoft MN-700"}, "WL500-", "mn700"},
75 {{BCM47XX_BOARD_ASUS_WL500G, "Asus WL500G"}, "WL500-", "asusX"},
76 { {0}, NULL},
77 };
78
79 /* productid */
80 static const
81 struct bcm47xx_board_type_list1 bcm47xx_board_list_productid[] __initconst = {
82 {{BCM47XX_BOARD_ASUS_RTAC66U, "Asus RT-AC66U"}, "RT-AC66U"},
83 {{BCM47XX_BOARD_ASUS_RTN10, "Asus RT-N10"}, "RT-N10"},
84 {{BCM47XX_BOARD_ASUS_RTN10D, "Asus RT-N10D"}, "RT-N10D"},
85 {{BCM47XX_BOARD_ASUS_RTN15U, "Asus RT-N15U"}, "RT-N15U"},
86 {{BCM47XX_BOARD_ASUS_RTN16, "Asus RT-N16"}, "RT-N16"},
87 {{BCM47XX_BOARD_ASUS_RTN53, "Asus RT-N53"}, "RT-N53"},
88 {{BCM47XX_BOARD_ASUS_RTN66U, "Asus RT-N66U"}, "RT-N66U"},
89 {{BCM47XX_BOARD_ASUS_WL300G, "Asus WL300G"}, "WL300g"},
90 {{BCM47XX_BOARD_ASUS_WLHDD, "Asus WLHDD"}, "WLHDD"},
91 { {0}, NULL},
92 };
93
94 /* ModelId */
95 static const
96 struct bcm47xx_board_type_list1 bcm47xx_board_list_ModelId[] __initconst = {
97 {{BCM47XX_BOARD_DELL_TM2300, "Dell TrueMobile 2300"}, "WX-5565"},
98 {{BCM47XX_BOARD_MOTOROLA_WE800G, "Motorola WE800G"}, "WE800G"},
99 {{BCM47XX_BOARD_MOTOROLA_WR850GP, "Motorola WR850GP"}, "WR850GP"},
100 {{BCM47XX_BOARD_MOTOROLA_WR850GV2V3, "Motorola WR850G"}, "WR850G"},
101 { {0}, NULL},
102 };
103
104 /* melco_id or buf1falo_id */
105 static const
106 struct bcm47xx_board_type_list1 bcm47xx_board_list_melco_id[] __initconst = {
107 {{BCM47XX_BOARD_BUFFALO_WBR2_G54, "Buffalo WBR2-G54"}, "29bb0332"},
108 {{BCM47XX_BOARD_BUFFALO_WHR2_A54G54, "Buffalo WHR2-A54G54"}, "290441dd"},
109 {{BCM47XX_BOARD_BUFFALO_WHR_G125, "Buffalo WHR-G125"}, "32093"},
110 {{BCM47XX_BOARD_BUFFALO_WHR_G54S, "Buffalo WHR-G54S"}, "30182"},
111 {{BCM47XX_BOARD_BUFFALO_WHR_HP_G54, "Buffalo WHR-HP-G54"}, "30189"},
112 {{BCM47XX_BOARD_BUFFALO_WLA2_G54L, "Buffalo WLA2-G54L"}, "29129"},
113 {{BCM47XX_BOARD_BUFFALO_WZR_G300N, "Buffalo WZR-G300N"}, "31120"},
114 {{BCM47XX_BOARD_BUFFALO_WZR_RS_G54, "Buffalo WZR-RS-G54"}, "30083"},
115 {{BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP, "Buffalo WZR-RS-G54HP"}, "30103"},
116 { {0}, NULL},
117 };
118
119 /* boot_hw_model, boot_hw_ver */
120 static const
121 struct bcm47xx_board_type_list2 bcm47xx_board_list_boot_hw[] __initconst = {
122 /* like WRT160N v3.0 */
123 {{BCM47XX_BOARD_CISCO_M10V1, "Cisco M10"}, "M10", "1.0"},
124 /* like WRT310N v2.0 */
125 {{BCM47XX_BOARD_CISCO_M20V1, "Cisco M20"}, "M20", "1.0"},
126 {{BCM47XX_BOARD_LINKSYS_E900V1, "Linksys E900 V1"}, "E900", "1.0"},
127 /* like WRT160N v3.0 */
128 {{BCM47XX_BOARD_LINKSYS_E1000V1, "Linksys E1000 V1"}, "E100", "1.0"},
129 {{BCM47XX_BOARD_LINKSYS_E1000V2, "Linksys E1000 V2"}, "E1000", "2.0"},
130 {{BCM47XX_BOARD_LINKSYS_E1000V21, "Linksys E1000 V2.1"}, "E1000", "2.1"},
131 {{BCM47XX_BOARD_LINKSYS_E1200V2, "Linksys E1200 V2"}, "E1200", "2.0"},
132 {{BCM47XX_BOARD_LINKSYS_E2000V1, "Linksys E2000 V1"}, "Linksys E2000", "1.0"},
133 {{BCM47XX_BOARD_LINKSYS_E2500V3, "Linksys E2500 V3"}, "E2500", "1.0"},
134 /* like WRT610N v2.0 */
135 {{BCM47XX_BOARD_LINKSYS_E3000V1, "Linksys E3000 V1"}, "E300", "1.0"},
136 {{BCM47XX_BOARD_LINKSYS_E3200V1, "Linksys E3200 V1"}, "E3200", "1.0"},
137 {{BCM47XX_BOARD_LINKSYS_E4200V1, "Linksys E4200 V1"}, "E4200", "1.0"},
138 {{BCM47XX_BOARD_LINKSYS_WRT150NV11, "Linksys WRT150N V1.1"}, "WRT150N", "1.1"},
139 {{BCM47XX_BOARD_LINKSYS_WRT150NV1, "Linksys WRT150N V1"}, "WRT150N", "1"},
140 {{BCM47XX_BOARD_LINKSYS_WRT160NV1, "Linksys WRT160N V1"}, "WRT160N", "1.0"},
141 {{BCM47XX_BOARD_LINKSYS_WRT160NV3, "Linksys WRT160N V3"}, "WRT160N", "3.0"},
142 {{BCM47XX_BOARD_LINKSYS_WRT300NV11, "Linksys WRT300N V1.1"}, "WRT300N", "1.1"},
143 {{BCM47XX_BOARD_LINKSYS_WRT310NV1, "Linksys WRT310N V1"}, "WRT310N", "1.0"},
144 {{BCM47XX_BOARD_LINKSYS_WRT310NV2, "Linksys WRT310N V2"}, "WRT310N", "2.0"},
145 {{BCM47XX_BOARD_LINKSYS_WRT320N_V1, "Linksys WRT320N V1"}, "WRT320N", "1.0"},
146 {{BCM47XX_BOARD_LINKSYS_WRT54G3GV2, "Linksys WRT54G3GV2-VF"}, "WRT54G3GV2-VF", "1.0"},
147 {{BCM47XX_BOARD_LINKSYS_WRT610NV1, "Linksys WRT610N V1"}, "WRT610N", "1.0"},
148 {{BCM47XX_BOARD_LINKSYS_WRT610NV2, "Linksys WRT610N V2"}, "WRT610N", "2.0"},
149 { {0}, NULL},
150 };
151
152 /* board_id */
153 static const
154 struct bcm47xx_board_type_list1 bcm47xx_board_list_board_id[] __initconst = {
155 {{BCM47XX_BOARD_LUXUL_ABR_4400_V1, "Luxul ABR-4400 V1"}, "luxul_abr4400_v1"},
156 {{BCM47XX_BOARD_LUXUL_XAP_310_V1, "Luxul XAP-310 V1"}, "luxul_xap310_v1"},
157 {{BCM47XX_BOARD_LUXUL_XAP_1210_V1, "Luxul XAP-1210 V1"}, "luxul_xap1210_v1"},
158 {{BCM47XX_BOARD_LUXUL_XAP_1230_V1, "Luxul XAP-1230 V1"}, "luxul_xap1230_v1"},
159 {{BCM47XX_BOARD_LUXUL_XAP_1240_V1, "Luxul XAP-1240 V1"}, "luxul_xap1240_v1"},
160 {{BCM47XX_BOARD_LUXUL_XAP_1500_V1, "Luxul XAP-1500 V1"}, "luxul_xap1500_v1"},
161 {{BCM47XX_BOARD_LUXUL_XBR_4400_V1, "Luxul XBR-4400 V1"}, "luxul_xbr4400_v1"},
162 {{BCM47XX_BOARD_LUXUL_XVW_P30_V1, "Luxul XVW-P30 V1"}, "luxul_xvwp30_v1"},
163 {{BCM47XX_BOARD_LUXUL_XWR_600_V1, "Luxul XWR-600 V1"}, "luxul_xwr600_v1"},
164 {{BCM47XX_BOARD_LUXUL_XWR_1750_V1, "Luxul XWR-1750 V1"}, "luxul_xwr1750_v1"},
165 {{BCM47XX_BOARD_NETGEAR_R6200_V1, "Netgear R6200 V1"}, "U12H192T00_NETGEAR"},
166 {{BCM47XX_BOARD_NETGEAR_R6300_V1, "Netgear R6300 V1"}, "U12H218T00_NETGEAR"},
167 {{BCM47XX_BOARD_NETGEAR_WGR614V8, "Netgear WGR614 V8"}, "U12H072T00_NETGEAR"},
168 {{BCM47XX_BOARD_NETGEAR_WGR614V9, "Netgear WGR614 V9"}, "U12H094T00_NETGEAR"},
169 {{BCM47XX_BOARD_NETGEAR_WGR614_V10, "Netgear WGR614 V10"}, "U12H139T01_NETGEAR"},
170 {{BCM47XX_BOARD_NETGEAR_WN2500RP_V1, "Netgear WN2500RP V1"}, "U12H197T00_NETGEAR"},
171 {{BCM47XX_BOARD_NETGEAR_WN2500RP_V2, "Netgear WN2500RP V2"}, "U12H294T00_NETGEAR"},
172 {{BCM47XX_BOARD_NETGEAR_WNDR3300, "Netgear WNDR3300"}, "U12H093T00_NETGEAR"},
173 {{BCM47XX_BOARD_NETGEAR_WNDR3400V1, "Netgear WNDR3400 V1"}, "U12H155T00_NETGEAR"},
174 {{BCM47XX_BOARD_NETGEAR_WNDR3400V2, "Netgear WNDR3400 V2"}, "U12H187T00_NETGEAR"},
175 {{BCM47XX_BOARD_NETGEAR_WNDR3400_V3, "Netgear WNDR3400 V3"}, "U12H208T00_NETGEAR"},
176 {{BCM47XX_BOARD_NETGEAR_WNDR3400VCNA, "Netgear WNDR3400 Vcna"}, "U12H155T01_NETGEAR"},
177 {{BCM47XX_BOARD_NETGEAR_WNDR3700V3, "Netgear WNDR3700 V3"}, "U12H194T00_NETGEAR"},
178 {{BCM47XX_BOARD_NETGEAR_WNDR4000, "Netgear WNDR4000"}, "U12H181T00_NETGEAR"},
179 {{BCM47XX_BOARD_NETGEAR_WNDR4500V1, "Netgear WNDR4500 V1"}, "U12H189T00_NETGEAR"},
180 {{BCM47XX_BOARD_NETGEAR_WNDR4500V2, "Netgear WNDR4500 V2"}, "U12H224T00_NETGEAR"},
181 {{BCM47XX_BOARD_NETGEAR_WNR1000_V3, "Netgear WNR1000 V3"}, "U12H139T00_NETGEAR"},
182 {{BCM47XX_BOARD_NETGEAR_WNR1000_V3, "Netgear WNR1000 V3"}, "U12H139T50_NETGEAR"},
183 {{BCM47XX_BOARD_NETGEAR_WNR2000, "Netgear WNR2000"}, "U12H114T00_NETGEAR"},
184 {{BCM47XX_BOARD_NETGEAR_WNR3500L, "Netgear WNR3500L"}, "U12H136T99_NETGEAR"},
185 {{BCM47XX_BOARD_NETGEAR_WNR3500L_V2, "Netgear WNR3500L V2"}, "U12H172T00_NETGEAR"},
186 {{BCM47XX_BOARD_NETGEAR_WNR3500U, "Netgear WNR3500U"}, "U12H136T00_NETGEAR"},
187 {{BCM47XX_BOARD_NETGEAR_WNR3500V2, "Netgear WNR3500 V2"}, "U12H127T00_NETGEAR"},
188 {{BCM47XX_BOARD_NETGEAR_WNR3500V2VC, "Netgear WNR3500 V2vc"}, "U12H127T70_NETGEAR"},
189 {{BCM47XX_BOARD_NETGEAR_WNR834BV2, "Netgear WNR834B V2"}, "U12H081T00_NETGEAR"},
190 { {0}, NULL},
191 };
192
193 /* boardtype, boardnum, boardrev */
194 static const
195 struct bcm47xx_board_type_list3 bcm47xx_board_list_board[] __initconst = {
196 {{BCM47XX_BOARD_HUAWEI_B593U_12, "Huawei B593u-12"}, "0x053d", "1234", "0x1301"},
197 {{BCM47XX_BOARD_HUAWEI_E970, "Huawei E970"}, "0x048e", "0x5347", "0x11"},
198 {{BCM47XX_BOARD_PHICOMM_M1, "Phicomm M1"}, "0x0590", "80", "0x1104"},
199 {{BCM47XX_BOARD_ZTE_H218N, "ZTE H218N"}, "0x053d", "1234", "0x1305"},
200 {{BCM47XX_BOARD_NETGEAR_WNR3500L, "Netgear WNR3500L"}, "0x04CF", "3500", "02"},
201 {{BCM47XX_BOARD_NETGEAR_WNR3500L_V2, "Netgear WNR3500L V2"}, "0x052b", "3500L", "02"},
202 {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0101, "Linksys WRT54G/GS/GL"}, "0x0101", "42", "0x10"},
203 {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0467, "Linksys WRT54G/GS/GL"}, "0x0467", "42", "0x10"},
204 {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0708, "Linksys WRT54G/GS/GL"}, "0x0708", "42", "0x10"},
205 { {0}, NULL},
206 };
207
208 /* boardtype, boardrev */
209 static const
210 struct bcm47xx_board_type_list2 bcm47xx_board_list_board_type_rev[] __initconst = {
211 {{BCM47XX_BOARD_SIEMENS_SE505V2, "Siemens SE505 V2"}, "0x0101", "0x10"},
212 { {0}, NULL},
213 };
214
215 /*
216 * Some devices don't use any common NVRAM entry for identification and they
217 * have only one model specific variable.
218 * They don't deserve own arrays, let's group them there using key-value array.
219 */
220 static const
221 struct bcm47xx_board_type_list2 bcm47xx_board_list_key_value[] __initconst = {
222 {{BCM47XX_BOARD_ASUS_WL700GE, "Asus WL700"}, "model_no", "WL700"},
223 {{BCM47XX_BOARD_LINKSYS_WRT300N_V1, "Linksys WRT300N V1"}, "router_name", "WRT300N"},
224 {{BCM47XX_BOARD_LINKSYS_WRT600N_V11, "Linksys WRT600N V1.1"}, "Model_Name", "WRT600N"},
225 {{BCM47XX_BOARD_LINKSYS_WRTSL54GS, "Linksys WRTSL54GS"}, "machine_name", "WRTSL54GS"},
226 { {0}, NULL},
227 };
228
229 static const
230 struct bcm47xx_board_type bcm47xx_board_unknown[] __initconst = {
231 {BCM47XX_BOARD_UNKNOWN, "Unknown Board"},
232 };
233
234 static struct bcm47xx_board_store bcm47xx_board = {BCM47XX_BOARD_NO, "Unknown Board"};
235
236 static __init const struct bcm47xx_board_type *bcm47xx_board_get_nvram(void)
237 {
238 char buf1[30];
239 char buf2[30];
240 char buf3[30];
241 const struct bcm47xx_board_type_list1 *e1;
242 const struct bcm47xx_board_type_list2 *e2;
243 const struct bcm47xx_board_type_list3 *e3;
244
245 if (bcm47xx_nvram_getenv("model_name", buf1, sizeof(buf1)) >= 0) {
246 for (e1 = bcm47xx_board_list_model_name; e1->value1; e1++) {
247 if (!strcmp(buf1, e1->value1))
248 return &e1->board;
249 }
250 }
251
252 if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0) {
253 for (e1 = bcm47xx_board_list_hardware_version; e1->value1; e1++) {
254 if (strstarts(buf1, e1->value1))
255 return &e1->board;
256 }
257 }
258
259 if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0 &&
260 bcm47xx_nvram_getenv("boardnum", buf2, sizeof(buf2)) >= 0) {
261 for (e2 = bcm47xx_board_list_hw_version_num; e2->value1; e2++) {
262 if (!strstarts(buf1, e2->value1) &&
263 !strcmp(buf2, e2->value2))
264 return &e2->board;
265 }
266 }
267
268 if (bcm47xx_nvram_getenv("productid", buf1, sizeof(buf1)) >= 0) {
269 for (e1 = bcm47xx_board_list_productid; e1->value1; e1++) {
270 if (!strcmp(buf1, e1->value1))
271 return &e1->board;
272 }
273 }
274
275 if (bcm47xx_nvram_getenv("ModelId", buf1, sizeof(buf1)) >= 0) {
276 for (e1 = bcm47xx_board_list_ModelId; e1->value1; e1++) {
277 if (!strcmp(buf1, e1->value1))
278 return &e1->board;
279 }
280 }
281
282 if (bcm47xx_nvram_getenv("melco_id", buf1, sizeof(buf1)) >= 0 ||
283 bcm47xx_nvram_getenv("buf1falo_id", buf1, sizeof(buf1)) >= 0) {
284 /* buffalo hardware, check id for specific hardware matches */
285 for (e1 = bcm47xx_board_list_melco_id; e1->value1; e1++) {
286 if (!strcmp(buf1, e1->value1))
287 return &e1->board;
288 }
289 }
290
291 if (bcm47xx_nvram_getenv("boot_hw_model", buf1, sizeof(buf1)) >= 0 &&
292 bcm47xx_nvram_getenv("boot_hw_ver", buf2, sizeof(buf2)) >= 0) {
293 for (e2 = bcm47xx_board_list_boot_hw; e2->value1; e2++) {
294 if (!strcmp(buf1, e2->value1) &&
295 !strcmp(buf2, e2->value2))
296 return &e2->board;
297 }
298 }
299
300 if (bcm47xx_nvram_getenv("board_id", buf1, sizeof(buf1)) >= 0) {
301 for (e1 = bcm47xx_board_list_board_id; e1->value1; e1++) {
302 if (!strcmp(buf1, e1->value1))
303 return &e1->board;
304 }
305 }
306
307 if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 &&
308 bcm47xx_nvram_getenv("boardnum", buf2, sizeof(buf2)) >= 0 &&
309 bcm47xx_nvram_getenv("boardrev", buf3, sizeof(buf3)) >= 0) {
310 for (e3 = bcm47xx_board_list_board; e3->value1; e3++) {
311 if (!strcmp(buf1, e3->value1) &&
312 !strcmp(buf2, e3->value2) &&
313 !strcmp(buf3, e3->value3))
314 return &e3->board;
315 }
316 }
317
318 if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 &&
319 bcm47xx_nvram_getenv("boardrev", buf2, sizeof(buf2)) >= 0 &&
320 bcm47xx_nvram_getenv("boardnum", buf3, sizeof(buf3)) == -ENOENT) {
321 for (e2 = bcm47xx_board_list_board_type_rev; e2->value1; e2++) {
322 if (!strcmp(buf1, e2->value1) &&
323 !strcmp(buf2, e2->value2))
324 return &e2->board;
325 }
326 }
327
328 for (e2 = bcm47xx_board_list_key_value; e2->value1; e2++) {
329 if (bcm47xx_nvram_getenv(e2->value1, buf1, sizeof(buf1)) >= 0) {
330 if (!strcmp(buf1, e2->value2))
331 return &e2->board;
332 }
333 }
334
335 return bcm47xx_board_unknown;
336 }
337
338 void __init bcm47xx_board_detect(void)
339 {
340 int err;
341 char buf[10];
342 const struct bcm47xx_board_type *board_detected;
343
344 if (bcm47xx_board.board != BCM47XX_BOARD_NO)
345 return;
346
347 /* check if the nvram is available */
348 err = bcm47xx_nvram_getenv("boardtype", buf, sizeof(buf));
349
350 /* init of nvram failed, probably too early now */
351 if (err == -ENXIO)
352 return;
353
354 board_detected = bcm47xx_board_get_nvram();
355 bcm47xx_board.board = board_detected->board;
356 strscpy(bcm47xx_board.name, board_detected->name,
357 BCM47XX_BOARD_MAX_NAME);
358 }
359
360 enum bcm47xx_board bcm47xx_board_get(void)
361 {
362 return bcm47xx_board.board;
363 }
364 EXPORT_SYMBOL(bcm47xx_board_get);
365
366 const char *bcm47xx_board_get_name(void)
367 {
368 return bcm47xx_board.name;
369 }
370 EXPORT_SYMBOL(bcm47xx_board_get_name);
371
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