board.c (14953B)
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 8struct bcm47xx_board_type { 9 const enum bcm47xx_board board; 10 const char *name; 11}; 12 13struct bcm47xx_board_type_list1 { 14 struct bcm47xx_board_type board; 15 const char *value1; 16}; 17 18struct bcm47xx_board_type_list2 { 19 struct bcm47xx_board_type board; 20 const char *value1; 21 const char *value2; 22}; 23 24struct bcm47xx_board_type_list3 { 25 struct bcm47xx_board_type board; 26 const char *value1; 27 const char *value2; 28 const char *value3; 29}; 30 31struct bcm47xx_board_store { 32 enum bcm47xx_board board; 33 char name[BCM47XX_BOARD_MAX_NAME]; 34}; 35 36/* model_name */ 37static const 38struct 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 */ 45static const 46struct 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 */ 72static const 73struct 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 */ 80static const 81struct 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 */ 95static const 96struct 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 */ 105static const 106struct 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 */ 120static const 121struct 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 */ 152static const 153struct 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_WNR3500U, "Netgear WNR3500U"}, "U12H136T00_NETGEAR"}, 185 {{BCM47XX_BOARD_NETGEAR_WNR3500V2, "Netgear WNR3500 V2"}, "U12H127T00_NETGEAR"}, 186 {{BCM47XX_BOARD_NETGEAR_WNR3500V2VC, "Netgear WNR3500 V2vc"}, "U12H127T70_NETGEAR"}, 187 {{BCM47XX_BOARD_NETGEAR_WNR834BV2, "Netgear WNR834B V2"}, "U12H081T00_NETGEAR"}, 188 { {0}, NULL}, 189}; 190 191/* boardtype, boardnum, boardrev */ 192static const 193struct bcm47xx_board_type_list3 bcm47xx_board_list_board[] __initconst = { 194 {{BCM47XX_BOARD_HUAWEI_E970, "Huawei E970"}, "0x048e", "0x5347", "0x11"}, 195 {{BCM47XX_BOARD_PHICOMM_M1, "Phicomm M1"}, "0x0590", "80", "0x1104"}, 196 {{BCM47XX_BOARD_ZTE_H218N, "ZTE H218N"}, "0x053d", "1234", "0x1305"}, 197 {{BCM47XX_BOARD_NETGEAR_WNR3500L, "Netgear WNR3500L"}, "0x04CF", "3500", "02"}, 198 {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0101, "Linksys WRT54G/GS/GL"}, "0x0101", "42", "0x10"}, 199 {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0467, "Linksys WRT54G/GS/GL"}, "0x0467", "42", "0x10"}, 200 {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0708, "Linksys WRT54G/GS/GL"}, "0x0708", "42", "0x10"}, 201 { {0}, NULL}, 202}; 203 204/* boardtype, boardrev */ 205static const 206struct bcm47xx_board_type_list2 bcm47xx_board_list_board_type_rev[] __initconst = { 207 {{BCM47XX_BOARD_SIEMENS_SE505V2, "Siemens SE505 V2"}, "0x0101", "0x10"}, 208 { {0}, NULL}, 209}; 210 211/* 212 * Some devices don't use any common NVRAM entry for identification and they 213 * have only one model specific variable. 214 * They don't deserve own arrays, let's group them there using key-value array. 215 */ 216static const 217struct bcm47xx_board_type_list2 bcm47xx_board_list_key_value[] __initconst = { 218 {{BCM47XX_BOARD_ASUS_WL700GE, "Asus WL700"}, "model_no", "WL700"}, 219 {{BCM47XX_BOARD_LINKSYS_WRT300N_V1, "Linksys WRT300N V1"}, "router_name", "WRT300N"}, 220 {{BCM47XX_BOARD_LINKSYS_WRT600N_V11, "Linksys WRT600N V1.1"}, "Model_Name", "WRT600N"}, 221 {{BCM47XX_BOARD_LINKSYS_WRTSL54GS, "Linksys WRTSL54GS"}, "machine_name", "WRTSL54GS"}, 222 { {0}, NULL}, 223}; 224 225static const 226struct bcm47xx_board_type bcm47xx_board_unknown[] __initconst = { 227 {BCM47XX_BOARD_UNKNOWN, "Unknown Board"}, 228}; 229 230static struct bcm47xx_board_store bcm47xx_board = {BCM47XX_BOARD_NO, "Unknown Board"}; 231 232static __init const struct bcm47xx_board_type *bcm47xx_board_get_nvram(void) 233{ 234 char buf1[30]; 235 char buf2[30]; 236 char buf3[30]; 237 const struct bcm47xx_board_type_list1 *e1; 238 const struct bcm47xx_board_type_list2 *e2; 239 const struct bcm47xx_board_type_list3 *e3; 240 241 if (bcm47xx_nvram_getenv("model_name", buf1, sizeof(buf1)) >= 0) { 242 for (e1 = bcm47xx_board_list_model_name; e1->value1; e1++) { 243 if (!strcmp(buf1, e1->value1)) 244 return &e1->board; 245 } 246 } 247 248 if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0) { 249 for (e1 = bcm47xx_board_list_hardware_version; e1->value1; e1++) { 250 if (strstarts(buf1, e1->value1)) 251 return &e1->board; 252 } 253 } 254 255 if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0 && 256 bcm47xx_nvram_getenv("boardnum", buf2, sizeof(buf2)) >= 0) { 257 for (e2 = bcm47xx_board_list_hw_version_num; e2->value1; e2++) { 258 if (!strstarts(buf1, e2->value1) && 259 !strcmp(buf2, e2->value2)) 260 return &e2->board; 261 } 262 } 263 264 if (bcm47xx_nvram_getenv("productid", buf1, sizeof(buf1)) >= 0) { 265 for (e1 = bcm47xx_board_list_productid; e1->value1; e1++) { 266 if (!strcmp(buf1, e1->value1)) 267 return &e1->board; 268 } 269 } 270 271 if (bcm47xx_nvram_getenv("ModelId", buf1, sizeof(buf1)) >= 0) { 272 for (e1 = bcm47xx_board_list_ModelId; e1->value1; e1++) { 273 if (!strcmp(buf1, e1->value1)) 274 return &e1->board; 275 } 276 } 277 278 if (bcm47xx_nvram_getenv("melco_id", buf1, sizeof(buf1)) >= 0 || 279 bcm47xx_nvram_getenv("buf1falo_id", buf1, sizeof(buf1)) >= 0) { 280 /* buffalo hardware, check id for specific hardware matches */ 281 for (e1 = bcm47xx_board_list_melco_id; e1->value1; e1++) { 282 if (!strcmp(buf1, e1->value1)) 283 return &e1->board; 284 } 285 } 286 287 if (bcm47xx_nvram_getenv("boot_hw_model", buf1, sizeof(buf1)) >= 0 && 288 bcm47xx_nvram_getenv("boot_hw_ver", buf2, sizeof(buf2)) >= 0) { 289 for (e2 = bcm47xx_board_list_boot_hw; e2->value1; e2++) { 290 if (!strcmp(buf1, e2->value1) && 291 !strcmp(buf2, e2->value2)) 292 return &e2->board; 293 } 294 } 295 296 if (bcm47xx_nvram_getenv("board_id", buf1, sizeof(buf1)) >= 0) { 297 for (e1 = bcm47xx_board_list_board_id; e1->value1; e1++) { 298 if (!strcmp(buf1, e1->value1)) 299 return &e1->board; 300 } 301 } 302 303 if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 && 304 bcm47xx_nvram_getenv("boardnum", buf2, sizeof(buf2)) >= 0 && 305 bcm47xx_nvram_getenv("boardrev", buf3, sizeof(buf3)) >= 0) { 306 for (e3 = bcm47xx_board_list_board; e3->value1; e3++) { 307 if (!strcmp(buf1, e3->value1) && 308 !strcmp(buf2, e3->value2) && 309 !strcmp(buf3, e3->value3)) 310 return &e3->board; 311 } 312 } 313 314 if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 && 315 bcm47xx_nvram_getenv("boardrev", buf2, sizeof(buf2)) >= 0 && 316 bcm47xx_nvram_getenv("boardnum", buf3, sizeof(buf3)) == -ENOENT) { 317 for (e2 = bcm47xx_board_list_board_type_rev; e2->value1; e2++) { 318 if (!strcmp(buf1, e2->value1) && 319 !strcmp(buf2, e2->value2)) 320 return &e2->board; 321 } 322 } 323 324 for (e2 = bcm47xx_board_list_key_value; e2->value1; e2++) { 325 if (bcm47xx_nvram_getenv(e2->value1, buf1, sizeof(buf1)) >= 0) { 326 if (!strcmp(buf1, e2->value2)) 327 return &e2->board; 328 } 329 } 330 331 return bcm47xx_board_unknown; 332} 333 334void __init bcm47xx_board_detect(void) 335{ 336 int err; 337 char buf[10]; 338 const struct bcm47xx_board_type *board_detected; 339 340 if (bcm47xx_board.board != BCM47XX_BOARD_NO) 341 return; 342 343 /* check if the nvram is available */ 344 err = bcm47xx_nvram_getenv("boardtype", buf, sizeof(buf)); 345 346 /* init of nvram failed, probably too early now */ 347 if (err == -ENXIO) 348 return; 349 350 board_detected = bcm47xx_board_get_nvram(); 351 bcm47xx_board.board = board_detected->board; 352 strscpy(bcm47xx_board.name, board_detected->name, 353 BCM47XX_BOARD_MAX_NAME); 354} 355 356enum bcm47xx_board bcm47xx_board_get(void) 357{ 358 return bcm47xx_board.board; 359} 360EXPORT_SYMBOL(bcm47xx_board_get); 361 362const char *bcm47xx_board_get_name(void) 363{ 364 return bcm47xx_board.name; 365} 366EXPORT_SYMBOL(bcm47xx_board_get_name);