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 /* like WRT610N v2.0 */ 134 {{BCM47XX_BOARD_LINKSYS_E3000V1, "Linksys E3000 V1"}, "E300", "1.0"}, 135 {{BCM47XX_BOARD_LINKSYS_E3200V1, "Linksys E3200 V1"}, "E3200", "1.0"}, 136 {{BCM47XX_BOARD_LINKSYS_E4200V1, "Linksys E4200 V1"}, "E4200", "1.0"}, 137 {{BCM47XX_BOARD_LINKSYS_WRT150NV11, "Linksys WRT150N V1.1"}, "WRT150N", "1.1"}, 138 {{BCM47XX_BOARD_LINKSYS_WRT150NV1, "Linksys WRT150N V1"}, "WRT150N", "1"}, 139 {{BCM47XX_BOARD_LINKSYS_WRT160NV1, "Linksys WRT160N V1"}, "WRT160N", "1.0"}, 140 {{BCM47XX_BOARD_LINKSYS_WRT160NV3, "Linksys WRT160N V3"}, "WRT160N", "3.0"}, 141 {{BCM47XX_BOARD_LINKSYS_WRT300NV11, "Linksys WRT300N V1.1"}, "WRT300N", "1.1"}, 142 {{BCM47XX_BOARD_LINKSYS_WRT310NV1, "Linksys WRT310N V1"}, "WRT310N", "1.0"}, 143 {{BCM47XX_BOARD_LINKSYS_WRT310NV2, "Linksys WRT310N V2"}, "WRT310N", "2.0"}, 144 {{BCM47XX_BOARD_LINKSYS_WRT320N_V1, "Linksys WRT320N V1"}, "WRT320N", "1.0"}, 145 {{BCM47XX_BOARD_LINKSYS_WRT54G3GV2, "Linksys WRT54G3GV2-VF"}, "WRT54G3GV2-VF", "1.0"}, 146 {{BCM47XX_BOARD_LINKSYS_WRT610NV1, "Linksys WRT610N V1"}, "WRT610N", "1.0"}, 147 {{BCM47XX_BOARD_LINKSYS_WRT610NV2, "Linksys WRT610N V2"}, "WRT610N", "2.0"}, 148 { {0}, NULL}, 149 }; 150 151 /* board_id */ 152 static const 153 struct bcm47xx_board_type_list1 bcm47xx_board_list_board_id[] __initconst = { 154 {{BCM47XX_BOARD_LUXUL_ABR_4400_V1, "Luxul ABR-4400 V1"}, "luxul_abr4400_v1"}, 155 {{BCM47XX_BOARD_LUXUL_XAP_310_V1, "Luxul XAP-310 V1"}, "luxul_xap310_v1"}, 156 {{BCM47XX_BOARD_LUXUL_XAP_1210_V1, "Luxul XAP-1210 V1"}, "luxul_xap1210_v1"}, 157 {{BCM47XX_BOARD_LUXUL_XAP_1230_V1, "Luxul XAP-1230 V1"}, "luxul_xap1230_v1"}, 158 {{BCM47XX_BOARD_LUXUL_XAP_1240_V1, "Luxul XAP-1240 V1"}, "luxul_xap1240_v1"}, 159 {{BCM47XX_BOARD_LUXUL_XAP_1500_V1, "Luxul XAP-1500 V1"}, "luxul_xap1500_v1"}, 160 {{BCM47XX_BOARD_LUXUL_XBR_4400_V1, "Luxul XBR-4400 V1"}, "luxul_xbr4400_v1"}, 161 {{BCM47XX_BOARD_LUXUL_XVW_P30_V1, "Luxul XVW-P30 V1"}, "luxul_xvwp30_v1"}, 162 {{BCM47XX_BOARD_LUXUL_XWR_600_V1, "Luxul XWR-600 V1"}, "luxul_xwr600_v1"}, 163 {{BCM47XX_BOARD_LUXUL_XWR_1750_V1, "Luxul XWR-1750 V1"}, "luxul_xwr1750_v1"}, 164 {{BCM47XX_BOARD_NETGEAR_R6200_V1, "Netgear R6200 V1"}, "U12H192T00_NETGEAR"}, 165 {{BCM47XX_BOARD_NETGEAR_R6300_V1, "Netgear R6300 V1"}, "U12H218T00_NETGEAR"}, 166 {{BCM47XX_BOARD_NETGEAR_WGR614V8, "Netgear WGR614 V8"}, "U12H072T00_NETGEAR"}, 167 {{BCM47XX_BOARD_NETGEAR_WGR614V9, "Netgear WGR614 V9"}, "U12H094T00_NETGEAR"}, 168 {{BCM47XX_BOARD_NETGEAR_WGR614_V10, "Netgear WGR614 V10"}, "U12H139T01_NETGEAR"}, 169 {{BCM47XX_BOARD_NETGEAR_WN2500RP_V1, "Netgear WN2500RP V1"}, "U12H197T00_NETGEAR"}, 170 {{BCM47XX_BOARD_NETGEAR_WN2500RP_V2, "Netgear WN2500RP V2"}, "U12H294T00_NETGEAR"}, 171 {{BCM47XX_BOARD_NETGEAR_WNDR3300, "Netgear WNDR3300"}, "U12H093T00_NETGEAR"}, 172 {{BCM47XX_BOARD_NETGEAR_WNDR3400V1, "Netgear WNDR3400 V1"}, "U12H155T00_NETGEAR"}, 173 {{BCM47XX_BOARD_NETGEAR_WNDR3400V2, "Netgear WNDR3400 V2"}, "U12H187T00_NETGEAR"}, 174 {{BCM47XX_BOARD_NETGEAR_WNDR3400_V3, "Netgear WNDR3400 V3"}, "U12H208T00_NETGEAR"}, 175 {{BCM47XX_BOARD_NETGEAR_WNDR3400VCNA, "Netgear WNDR3400 Vcna"}, "U12H155T01_NETGEAR"}, 176 {{BCM47XX_BOARD_NETGEAR_WNDR3700V3, "Netgear WNDR3700 V3"}, "U12H194T00_NETGEAR"}, 177 {{BCM47XX_BOARD_NETGEAR_WNDR4000, "Netgear WNDR4000"}, "U12H181T00_NETGEAR"}, 178 {{BCM47XX_BOARD_NETGEAR_WNDR4500V1, "Netgear WNDR4500 V1"}, "U12H189T00_NETGEAR"}, 179 {{BCM47XX_BOARD_NETGEAR_WNDR4500V2, "Netgear WNDR4500 V2"}, "U12H224T00_NETGEAR"}, 180 {{BCM47XX_BOARD_NETGEAR_WNR1000_V3, "Netgear WNR1000 V3"}, "U12H139T00_NETGEAR"}, 181 {{BCM47XX_BOARD_NETGEAR_WNR1000_V3, "Netgear WNR1000 V3"}, "U12H139T50_NETGEAR"}, 182 {{BCM47XX_BOARD_NETGEAR_WNR2000, "Netgear WNR2000"}, "U12H114T00_NETGEAR"}, 183 {{BCM47XX_BOARD_NETGEAR_WNR3500L, "Netgear WNR3500L"}, "U12H136T99_NETGEAR"}, 184 {{BCM47XX_BOARD_NETGEAR_WNR3500L_V2, "Netgear WNR3500L V2"}, "U12H172T00_NETGEAR"}, 185 {{BCM47XX_BOARD_NETGEAR_WNR3500U, "Netgear WNR3500U"}, "U12H136T00_NETGEAR"}, 186 {{BCM47XX_BOARD_NETGEAR_WNR3500V2, "Netgear WNR3500 V2"}, "U12H127T00_NETGEAR"}, 187 {{BCM47XX_BOARD_NETGEAR_WNR3500V2VC, "Netgear WNR3500 V2vc"}, "U12H127T70_NETGEAR"}, 188 {{BCM47XX_BOARD_NETGEAR_WNR834BV2, "Netgear WNR834B V2"}, "U12H081T00_NETGEAR"}, 189 { {0}, NULL}, 190 }; 191 192 /* boardtype, boardnum, boardrev */ 193 static const 194 struct bcm47xx_board_type_list3 bcm47xx_board_list_board[] __initconst = { 195 {{BCM47XX_BOARD_HUAWEI_E970, "Huawei E970"}, "0x048e", "0x5347", "0x11"}, 196 {{BCM47XX_BOARD_PHICOMM_M1, "Phicomm M1"}, "0x0590", "80", "0x1104"}, 197 {{BCM47XX_BOARD_ZTE_H218N, "ZTE H218N"}, "0x053d", "1234", "0x1305"}, 198 {{BCM47XX_BOARD_NETGEAR_WNR3500L, "Netgear WNR3500L"}, "0x04CF", "3500", "02"}, 199 {{BCM47XX_BOARD_NETGEAR_WNR3500L_V2, "Netgear WNR3500L V2"}, "0x052b", "3500L", "02"}, 200 {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0101, "Linksys WRT54G/GS/GL"}, "0x0101", "42", "0x10"}, 201 {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0467, "Linksys WRT54G/GS/GL"}, "0x0467", "42", "0x10"}, 202 {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0708, "Linksys WRT54G/GS/GL"}, "0x0708", "42", "0x10"}, 203 { {0}, NULL}, 204 }; 205 206 /* boardtype, boardrev */ 207 static const 208 struct bcm47xx_board_type_list2 bcm47xx_board_list_board_type_rev[] __initconst = { 209 {{BCM47XX_BOARD_SIEMENS_SE505V2, "Siemens SE505 V2"}, "0x0101", "0x10"}, 210 { {0}, NULL}, 211 }; 212 213 /* 214 * Some devices don't use any common NVRAM entry for identification and they 215 * have only one model specific variable. 216 * They don't deserve own arrays, let's group them there using key-value array. 217 */ 218 static const 219 struct bcm47xx_board_type_list2 bcm47xx_board_list_key_value[] __initconst = { 220 {{BCM47XX_BOARD_ASUS_WL700GE, "Asus WL700"}, "model_no", "WL700"}, 221 {{BCM47XX_BOARD_LINKSYS_WRT300N_V1, "Linksys WRT300N V1"}, "router_name", "WRT300N"}, 222 {{BCM47XX_BOARD_LINKSYS_WRT600N_V11, "Linksys WRT600N V1.1"}, "Model_Name", "WRT600N"}, 223 {{BCM47XX_BOARD_LINKSYS_WRTSL54GS, "Linksys WRTSL54GS"}, "machine_name", "WRTSL54GS"}, 224 { {0}, NULL}, 225 }; 226 227 static const 228 struct bcm47xx_board_type bcm47xx_board_unknown[] __initconst = { 229 {BCM47XX_BOARD_UNKNOWN, "Unknown Board"}, 230 }; 231 232 static struct bcm47xx_board_store bcm47xx_board = {BCM47XX_BOARD_NO, "Unknown Board"}; 233 234 static __init const struct bcm47xx_board_type *bcm47xx_board_get_nvram(void) 235 { 236 char buf1[30]; 237 char buf2[30]; 238 char buf3[30]; 239 const struct bcm47xx_board_type_list1 *e1; 240 const struct bcm47xx_board_type_list2 *e2; 241 const struct bcm47xx_board_type_list3 *e3; 242 243 if (bcm47xx_nvram_getenv("model_name", buf1, sizeof(buf1)) >= 0) { 244 for (e1 = bcm47xx_board_list_model_name; e1->value1; e1++) { 245 if (!strcmp(buf1, e1->value1)) 246 return &e1->board; 247 } 248 } 249 250 if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0) { 251 for (e1 = bcm47xx_board_list_hardware_version; e1->value1; e1++) { 252 if (strstarts(buf1, e1->value1)) 253 return &e1->board; 254 } 255 } 256 257 if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0 && 258 bcm47xx_nvram_getenv("boardnum", buf2, sizeof(buf2)) >= 0) { 259 for (e2 = bcm47xx_board_list_hw_version_num; e2->value1; e2++) { 260 if (!strstarts(buf1, e2->value1) && 261 !strcmp(buf2, e2->value2)) 262 return &e2->board; 263 } 264 } 265 266 if (bcm47xx_nvram_getenv("productid", buf1, sizeof(buf1)) >= 0) { 267 for (e1 = bcm47xx_board_list_productid; e1->value1; e1++) { 268 if (!strcmp(buf1, e1->value1)) 269 return &e1->board; 270 } 271 } 272 273 if (bcm47xx_nvram_getenv("ModelId", buf1, sizeof(buf1)) >= 0) { 274 for (e1 = bcm47xx_board_list_ModelId; e1->value1; e1++) { 275 if (!strcmp(buf1, e1->value1)) 276 return &e1->board; 277 } 278 } 279 280 if (bcm47xx_nvram_getenv("melco_id", buf1, sizeof(buf1)) >= 0 || 281 bcm47xx_nvram_getenv("buf1falo_id", buf1, sizeof(buf1)) >= 0) { 282 /* buffalo hardware, check id for specific hardware matches */ 283 for (e1 = bcm47xx_board_list_melco_id; e1->value1; e1++) { 284 if (!strcmp(buf1, e1->value1)) 285 return &e1->board; 286 } 287 } 288 289 if (bcm47xx_nvram_getenv("boot_hw_model", buf1, sizeof(buf1)) >= 0 && 290 bcm47xx_nvram_getenv("boot_hw_ver", buf2, sizeof(buf2)) >= 0) { 291 for (e2 = bcm47xx_board_list_boot_hw; e2->value1; e2++) { 292 if (!strcmp(buf1, e2->value1) && 293 !strcmp(buf2, e2->value2)) 294 return &e2->board; 295 } 296 } 297 298 if (bcm47xx_nvram_getenv("board_id", buf1, sizeof(buf1)) >= 0) { 299 for (e1 = bcm47xx_board_list_board_id; e1->value1; e1++) { 300 if (!strcmp(buf1, e1->value1)) 301 return &e1->board; 302 } 303 } 304 305 if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 && 306 bcm47xx_nvram_getenv("boardnum", buf2, sizeof(buf2)) >= 0 && 307 bcm47xx_nvram_getenv("boardrev", buf3, sizeof(buf3)) >= 0) { 308 for (e3 = bcm47xx_board_list_board; e3->value1; e3++) { 309 if (!strcmp(buf1, e3->value1) && 310 !strcmp(buf2, e3->value2) && 311 !strcmp(buf3, e3->value3)) 312 return &e3->board; 313 } 314 } 315 316 if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 && 317 bcm47xx_nvram_getenv("boardrev", buf2, sizeof(buf2)) >= 0 && 318 bcm47xx_nvram_getenv("boardnum", buf3, sizeof(buf3)) == -ENOENT) { 319 for (e2 = bcm47xx_board_list_board_type_rev; e2->value1; e2++) { 320 if (!strcmp(buf1, e2->value1) && 321 !strcmp(buf2, e2->value2)) 322 return &e2->board; 323 } 324 } 325 326 for (e2 = bcm47xx_board_list_key_value; e2->value1; e2++) { 327 if (bcm47xx_nvram_getenv(e2->value1, buf1, sizeof(buf1)) >= 0) { 328 if (!strcmp(buf1, e2->value2)) 329 return &e2->board; 330 } 331 } 332 333 return bcm47xx_board_unknown; 334 } 335 336 void __init bcm47xx_board_detect(void) 337 { 338 int err; 339 char buf[10]; 340 const struct bcm47xx_board_type *board_detected; 341 342 if (bcm47xx_board.board != BCM47XX_BOARD_NO) 343 return; 344 345 /* check if the nvram is available */ 346 err = bcm47xx_nvram_getenv("boardtype", buf, sizeof(buf)); 347 348 /* init of nvram failed, probably too early now */ 349 if (err == -ENXIO) 350 return; 351 352 board_detected = bcm47xx_board_get_nvram(); 353 bcm47xx_board.board = board_detected->board; 354 strscpy(bcm47xx_board.name, board_detected->name, 355 BCM47XX_BOARD_MAX_NAME); 356 } 357 358 enum bcm47xx_board bcm47xx_board_get(void) 359 { 360 return bcm47xx_board.board; 361 } 362 EXPORT_SYMBOL(bcm47xx_board_get); 363 364 const char *bcm47xx_board_get_name(void) 365 { 366 return bcm47xx_board.name; 367 } 368 EXPORT_SYMBOL(bcm47xx_board_get_name); 369