mips/bcm47xx/board.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 #include <linux/errno.h>
0003 #include <linux/export.h>
0004 #include <linux/string.h>
0005 #include <bcm47xx.h>
0006 #include <bcm47xx_board.h>
0007
0008 struct bcm47xx_board_type {
0009     const enum bcm47xx_board board;
0010     const char *name;
0011 };
0012
0013 struct bcm47xx_board_type_list1 {
0014     struct bcm47xx_board_type board;
0015     const char *value1;
0016 };
0017
0018 struct bcm47xx_board_type_list2 {
0019     struct bcm47xx_board_type board;
0020     const char *value1;
0021     const char *value2;
0022 };
0023
0024 struct bcm47xx_board_type_list3 {
0025     struct bcm47xx_board_type board;
0026     const char *value1;
0027     const char *value2;
0028     const char *value3;
0029 };
0030
0031 struct bcm47xx_board_store {
0032     enum bcm47xx_board board;
0033     char name[BCM47XX_BOARD_MAX_NAME];
0034 };
0035
0036 /* model_name */
0037 static const
0038 struct bcm47xx_board_type_list1 bcm47xx_board_list_model_name[] __initconst = {
0039     {{BCM47XX_BOARD_DLINK_DIR130, "D-Link DIR-130"}, "DIR-130"},
0040     {{BCM47XX_BOARD_DLINK_DIR330, "D-Link DIR-330"}, "DIR-330"},
0041     { {0}, NULL},
0042 };
0043
0044 /* hardware_version */
0045 static const
0046 struct bcm47xx_board_type_list1 bcm47xx_board_list_hardware_version[] __initconst = {
0047     {{BCM47XX_BOARD_ASUS_RTN10U, "Asus RT-N10U"}, "RTN10U"},
0048     {{BCM47XX_BOARD_ASUS_RTN10D, "Asus RT-N10D"}, "RTN10D"},
0049     {{BCM47XX_BOARD_ASUS_RTN12, "Asus RT-N12"}, "RT-N12"},
0050     {{BCM47XX_BOARD_ASUS_RTN12B1, "Asus RT-N12B1"}, "RTN12B1"},
0051     {{BCM47XX_BOARD_ASUS_RTN12C1, "Asus RT-N12C1"}, "RTN12C1"},
0052     {{BCM47XX_BOARD_ASUS_RTN12D1, "Asus RT-N12D1"}, "RTN12D1"},
0053     {{BCM47XX_BOARD_ASUS_RTN12HP, "Asus RT-N12HP"}, "RTN12HP"},
0054     {{BCM47XX_BOARD_ASUS_RTN16, "Asus RT-N16"}, "RT-N16-"},
0055     {{BCM47XX_BOARD_ASUS_WL320GE, "Asus WL320GE"}, "WL320G-"},
0056     {{BCM47XX_BOARD_ASUS_WL330GE, "Asus WL330GE"}, "WL330GE-"},
0057     {{BCM47XX_BOARD_ASUS_WL500GD, "Asus WL500GD"}, "WL500gd-"},
0058     {{BCM47XX_BOARD_ASUS_WL500GPV1, "Asus WL500GP V1"}, "WL500gp-"},
0059     {{BCM47XX_BOARD_ASUS_WL500GPV2, "Asus WL500GP V2"}, "WL500GPV2-"},
0060     {{BCM47XX_BOARD_ASUS_WL500W, "Asus WL500W"}, "WL500gW-"},
0061     {{BCM47XX_BOARD_ASUS_WL520GC, "Asus WL520GC"}, "WL520GC-"},
0062     {{BCM47XX_BOARD_ASUS_WL520GU, "Asus WL520GU"}, "WL520GU-"},
0063     {{BCM47XX_BOARD_BELKIN_F7D3301, "Belkin F7D3301"}, "F7D3301"},
0064     {{BCM47XX_BOARD_BELKIN_F7D3302, "Belkin F7D3302"}, "F7D3302"},
0065     {{BCM47XX_BOARD_BELKIN_F7D4301, "Belkin F7D4301"}, "F7D4301"},
0066     {{BCM47XX_BOARD_BELKIN_F7D4302, "Belkin F7D4302"}, "F7D4302"},
0067     {{BCM47XX_BOARD_BELKIN_F7D4401, "Belkin F7D4401"}, "F7D4401"},
0068     { {0}, NULL},
0069 };
0070
0071 /* hardware_version, boardnum */
0072 static const
0073 struct bcm47xx_board_type_list2 bcm47xx_board_list_hw_version_num[] __initconst = {
0074     {{BCM47XX_BOARD_MICROSOFT_MN700, "Microsoft MN-700"}, "WL500-", "mn700"},
0075     {{BCM47XX_BOARD_ASUS_WL500G, "Asus WL500G"}, "WL500-", "asusX"},
0076     { {0}, NULL},
0077 };
0078
0079 /* productid */
0080 static const
0081 struct bcm47xx_board_type_list1 bcm47xx_board_list_productid[] __initconst = {
0082     {{BCM47XX_BOARD_ASUS_RTAC66U, "Asus RT-AC66U"}, "RT-AC66U"},
0083     {{BCM47XX_BOARD_ASUS_RTN10, "Asus RT-N10"}, "RT-N10"},
0084     {{BCM47XX_BOARD_ASUS_RTN10D, "Asus RT-N10D"}, "RT-N10D"},
0085     {{BCM47XX_BOARD_ASUS_RTN15U, "Asus RT-N15U"}, "RT-N15U"},
0086     {{BCM47XX_BOARD_ASUS_RTN16, "Asus RT-N16"}, "RT-N16"},
0087     {{BCM47XX_BOARD_ASUS_RTN53, "Asus RT-N53"}, "RT-N53"},
0088     {{BCM47XX_BOARD_ASUS_RTN66U, "Asus RT-N66U"}, "RT-N66U"},
0089     {{BCM47XX_BOARD_ASUS_WL300G, "Asus WL300G"}, "WL300g"},
0090     {{BCM47XX_BOARD_ASUS_WLHDD, "Asus WLHDD"}, "WLHDD"},
0091     { {0}, NULL},
0092 };
0093
0094 /* ModelId */
0095 static const
0096 struct bcm47xx_board_type_list1 bcm47xx_board_list_ModelId[] __initconst = {
0097     {{BCM47XX_BOARD_DELL_TM2300, "Dell TrueMobile 2300"}, "WX-5565"},
0098     {{BCM47XX_BOARD_MOTOROLA_WE800G, "Motorola WE800G"}, "WE800G"},
0099     {{BCM47XX_BOARD_MOTOROLA_WR850GP, "Motorola WR850GP"}, "WR850GP"},
0100     {{BCM47XX_BOARD_MOTOROLA_WR850GV2V3, "Motorola WR850G"}, "WR850G"},
0101     { {0}, NULL},
0102 };
0103
0104 /* melco_id or buf1falo_id */
0105 static const
0106 struct bcm47xx_board_type_list1 bcm47xx_board_list_melco_id[] __initconst = {
0107     {{BCM47XX_BOARD_BUFFALO_WBR2_G54, "Buffalo WBR2-G54"}, "29bb0332"},
0108     {{BCM47XX_BOARD_BUFFALO_WHR2_A54G54, "Buffalo WHR2-A54G54"}, "290441dd"},
0109     {{BCM47XX_BOARD_BUFFALO_WHR_G125, "Buffalo WHR-G125"}, "32093"},
0110     {{BCM47XX_BOARD_BUFFALO_WHR_G54S, "Buffalo WHR-G54S"}, "30182"},
0111     {{BCM47XX_BOARD_BUFFALO_WHR_HP_G54, "Buffalo WHR-HP-G54"}, "30189"},
0112     {{BCM47XX_BOARD_BUFFALO_WLA2_G54L, "Buffalo WLA2-G54L"}, "29129"},
0113     {{BCM47XX_BOARD_BUFFALO_WZR_G300N, "Buffalo WZR-G300N"}, "31120"},
0114     {{BCM47XX_BOARD_BUFFALO_WZR_RS_G54, "Buffalo WZR-RS-G54"}, "30083"},
0115     {{BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP, "Buffalo WZR-RS-G54HP"}, "30103"},
0116     { {0}, NULL},
0117 };
0118
0119 /* boot_hw_model, boot_hw_ver */
0120 static const
0121 struct bcm47xx_board_type_list2 bcm47xx_board_list_boot_hw[] __initconst = {
0122     /* like WRT160N v3.0 */
0123     {{BCM47XX_BOARD_CISCO_M10V1, "Cisco M10"}, "M10", "1.0"},
0124     /* like WRT310N v2.0 */
0125     {{BCM47XX_BOARD_CISCO_M20V1, "Cisco M20"}, "M20", "1.0"},
0126     {{BCM47XX_BOARD_LINKSYS_E900V1, "Linksys E900 V1"}, "E900", "1.0"},
0127     /* like WRT160N v3.0 */
0128     {{BCM47XX_BOARD_LINKSYS_E1000V1, "Linksys E1000 V1"}, "E100", "1.0"},
0129     {{BCM47XX_BOARD_LINKSYS_E1000V2, "Linksys E1000 V2"}, "E1000", "2.0"},
0130     {{BCM47XX_BOARD_LINKSYS_E1000V21, "Linksys E1000 V2.1"}, "E1000", "2.1"},
0131     {{BCM47XX_BOARD_LINKSYS_E1200V2, "Linksys E1200 V2"}, "E1200", "2.0"},
0132     {{BCM47XX_BOARD_LINKSYS_E2000V1, "Linksys E2000 V1"}, "Linksys E2000", "1.0"},
0133     /* like WRT610N v2.0 */
0134     {{BCM47XX_BOARD_LINKSYS_E3000V1, "Linksys E3000 V1"}, "E300", "1.0"},
0135     {{BCM47XX_BOARD_LINKSYS_E3200V1, "Linksys E3200 V1"}, "E3200", "1.0"},
0136     {{BCM47XX_BOARD_LINKSYS_E4200V1, "Linksys E4200 V1"}, "E4200", "1.0"},
0137     {{BCM47XX_BOARD_LINKSYS_WRT150NV11, "Linksys WRT150N V1.1"}, "WRT150N", "1.1"},
0138     {{BCM47XX_BOARD_LINKSYS_WRT150NV1, "Linksys WRT150N V1"}, "WRT150N", "1"},
0139     {{BCM47XX_BOARD_LINKSYS_WRT160NV1, "Linksys WRT160N V1"}, "WRT160N", "1.0"},
0140     {{BCM47XX_BOARD_LINKSYS_WRT160NV3, "Linksys WRT160N V3"}, "WRT160N", "3.0"},
0141     {{BCM47XX_BOARD_LINKSYS_WRT300NV11, "Linksys WRT300N V1.1"}, "WRT300N", "1.1"},
0142     {{BCM47XX_BOARD_LINKSYS_WRT310NV1, "Linksys WRT310N V1"}, "WRT310N", "1.0"},
0143     {{BCM47XX_BOARD_LINKSYS_WRT310NV2, "Linksys WRT310N V2"}, "WRT310N", "2.0"},
0144     {{BCM47XX_BOARD_LINKSYS_WRT320N_V1, "Linksys WRT320N V1"}, "WRT320N", "1.0"},
0145     {{BCM47XX_BOARD_LINKSYS_WRT54G3GV2, "Linksys WRT54G3GV2-VF"}, "WRT54G3GV2-VF", "1.0"},
0146     {{BCM47XX_BOARD_LINKSYS_WRT610NV1, "Linksys WRT610N V1"}, "WRT610N", "1.0"},
0147     {{BCM47XX_BOARD_LINKSYS_WRT610NV2, "Linksys WRT610N V2"}, "WRT610N", "2.0"},
0148     { {0}, NULL},
0149 };
0150
0151 /* board_id */
0152 static const
0153 struct bcm47xx_board_type_list1 bcm47xx_board_list_board_id[] __initconst = {
0154     {{BCM47XX_BOARD_LUXUL_ABR_4400_V1, "Luxul ABR-4400 V1"}, "luxul_abr4400_v1"},
0155     {{BCM47XX_BOARD_LUXUL_XAP_310_V1, "Luxul XAP-310 V1"}, "luxul_xap310_v1"},
0156     {{BCM47XX_BOARD_LUXUL_XAP_1210_V1, "Luxul XAP-1210 V1"}, "luxul_xap1210_v1"},
0157     {{BCM47XX_BOARD_LUXUL_XAP_1230_V1, "Luxul XAP-1230 V1"}, "luxul_xap1230_v1"},
0158     {{BCM47XX_BOARD_LUXUL_XAP_1240_V1, "Luxul XAP-1240 V1"}, "luxul_xap1240_v1"},
0159     {{BCM47XX_BOARD_LUXUL_XAP_1500_V1, "Luxul XAP-1500 V1"}, "luxul_xap1500_v1"},
0160     {{BCM47XX_BOARD_LUXUL_XBR_4400_V1, "Luxul XBR-4400 V1"}, "luxul_xbr4400_v1"},
0161     {{BCM47XX_BOARD_LUXUL_XVW_P30_V1, "Luxul XVW-P30 V1"}, "luxul_xvwp30_v1"},
0162     {{BCM47XX_BOARD_LUXUL_XWR_600_V1, "Luxul XWR-600 V1"}, "luxul_xwr600_v1"},
0163     {{BCM47XX_BOARD_LUXUL_XWR_1750_V1, "Luxul XWR-1750 V1"}, "luxul_xwr1750_v1"},
0164     {{BCM47XX_BOARD_NETGEAR_R6200_V1, "Netgear R6200 V1"}, "U12H192T00_NETGEAR"},
0165     {{BCM47XX_BOARD_NETGEAR_R6300_V1, "Netgear R6300 V1"}, "U12H218T00_NETGEAR"},
0166     {{BCM47XX_BOARD_NETGEAR_WGR614V8, "Netgear WGR614 V8"}, "U12H072T00_NETGEAR"},
0167     {{BCM47XX_BOARD_NETGEAR_WGR614V9, "Netgear WGR614 V9"}, "U12H094T00_NETGEAR"},
0168     {{BCM47XX_BOARD_NETGEAR_WGR614_V10, "Netgear WGR614 V10"}, "U12H139T01_NETGEAR"},
0169     {{BCM47XX_BOARD_NETGEAR_WN2500RP_V1, "Netgear WN2500RP V1"}, "U12H197T00_NETGEAR"},
0170     {{BCM47XX_BOARD_NETGEAR_WN2500RP_V2, "Netgear WN2500RP V2"}, "U12H294T00_NETGEAR"},
0171     {{BCM47XX_BOARD_NETGEAR_WNDR3300, "Netgear WNDR3300"}, "U12H093T00_NETGEAR"},
0172     {{BCM47XX_BOARD_NETGEAR_WNDR3400V1, "Netgear WNDR3400 V1"}, "U12H155T00_NETGEAR"},
0173     {{BCM47XX_BOARD_NETGEAR_WNDR3400V2, "Netgear WNDR3400 V2"}, "U12H187T00_NETGEAR"},
0174     {{BCM47XX_BOARD_NETGEAR_WNDR3400_V3, "Netgear WNDR3400 V3"}, "U12H208T00_NETGEAR"},
0175     {{BCM47XX_BOARD_NETGEAR_WNDR3400VCNA, "Netgear WNDR3400 Vcna"}, "U12H155T01_NETGEAR"},
0176     {{BCM47XX_BOARD_NETGEAR_WNDR3700V3, "Netgear WNDR3700 V3"}, "U12H194T00_NETGEAR"},
0177     {{BCM47XX_BOARD_NETGEAR_WNDR4000, "Netgear WNDR4000"}, "U12H181T00_NETGEAR"},
0178     {{BCM47XX_BOARD_NETGEAR_WNDR4500V1, "Netgear WNDR4500 V1"}, "U12H189T00_NETGEAR"},
0179     {{BCM47XX_BOARD_NETGEAR_WNDR4500V2, "Netgear WNDR4500 V2"}, "U12H224T00_NETGEAR"},
0180     {{BCM47XX_BOARD_NETGEAR_WNR1000_V3, "Netgear WNR1000 V3"}, "U12H139T00_NETGEAR"},
0181     {{BCM47XX_BOARD_NETGEAR_WNR1000_V3, "Netgear WNR1000 V3"}, "U12H139T50_NETGEAR"},
0182     {{BCM47XX_BOARD_NETGEAR_WNR2000, "Netgear WNR2000"}, "U12H114T00_NETGEAR"},
0183     {{BCM47XX_BOARD_NETGEAR_WNR3500L, "Netgear WNR3500L"}, "U12H136T99_NETGEAR"},
0184     {{BCM47XX_BOARD_NETGEAR_WNR3500L_V2, "Netgear WNR3500L V2"}, "U12H172T00_NETGEAR"},
0185     {{BCM47XX_BOARD_NETGEAR_WNR3500U, "Netgear WNR3500U"}, "U12H136T00_NETGEAR"},
0186     {{BCM47XX_BOARD_NETGEAR_WNR3500V2, "Netgear WNR3500 V2"}, "U12H127T00_NETGEAR"},
0187     {{BCM47XX_BOARD_NETGEAR_WNR3500V2VC, "Netgear WNR3500 V2vc"}, "U12H127T70_NETGEAR"},
0188     {{BCM47XX_BOARD_NETGEAR_WNR834BV2, "Netgear WNR834B V2"}, "U12H081T00_NETGEAR"},
0189     { {0}, NULL},
0190 };
0191
0192 /* boardtype, boardnum, boardrev */
0193 static const
0194 struct bcm47xx_board_type_list3 bcm47xx_board_list_board[] __initconst = {
0195     {{BCM47XX_BOARD_HUAWEI_E970, "Huawei E970"}, "0x048e", "0x5347", "0x11"},
0196     {{BCM47XX_BOARD_PHICOMM_M1, "Phicomm M1"}, "0x0590", "80", "0x1104"},
0197     {{BCM47XX_BOARD_ZTE_H218N, "ZTE H218N"}, "0x053d", "1234", "0x1305"},
0198     {{BCM47XX_BOARD_NETGEAR_WNR3500L, "Netgear WNR3500L"}, "0x04CF", "3500", "02"},
0199     {{BCM47XX_BOARD_NETGEAR_WNR3500L_V2, "Netgear WNR3500L V2"}, "0x052b", "3500L", "02"},
0200     {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0101, "Linksys WRT54G/GS/GL"}, "0x0101", "42", "0x10"},
0201     {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0467, "Linksys WRT54G/GS/GL"}, "0x0467", "42", "0x10"},
0202     {{BCM47XX_BOARD_LINKSYS_WRT54G_TYPE_0708, "Linksys WRT54G/GS/GL"}, "0x0708", "42", "0x10"},
0203     { {0}, NULL},
0204 };
0205
0206 /* boardtype, boardrev */
0207 static const
0208 struct bcm47xx_board_type_list2 bcm47xx_board_list_board_type_rev[] __initconst = {
0209     {{BCM47XX_BOARD_SIEMENS_SE505V2, "Siemens SE505 V2"}, "0x0101", "0x10"},
0210     { {0}, NULL},
0211 };
0212
0213 /*
0214  * Some devices don't use any common NVRAM entry for identification and they
0215  * have only one model specific variable.
0216  * They don't deserve own arrays, let's group them there using key-value array.
0217  */
0218 static const
0219 struct bcm47xx_board_type_list2 bcm47xx_board_list_key_value[] __initconst = {
0220     {{BCM47XX_BOARD_ASUS_WL700GE, "Asus WL700"}, "model_no", "WL700"},
0221     {{BCM47XX_BOARD_LINKSYS_WRT300N_V1, "Linksys WRT300N V1"}, "router_name", "WRT300N"},
0222     {{BCM47XX_BOARD_LINKSYS_WRT600N_V11, "Linksys WRT600N V1.1"}, "Model_Name", "WRT600N"},
0223     {{BCM47XX_BOARD_LINKSYS_WRTSL54GS, "Linksys WRTSL54GS"}, "machine_name", "WRTSL54GS"},
0224     { {0}, NULL},
0225 };
0226
0227 static const
0228 struct bcm47xx_board_type bcm47xx_board_unknown[] __initconst = {
0229     {BCM47XX_BOARD_UNKNOWN, "Unknown Board"},
0230 };
0231
0232 static struct bcm47xx_board_store bcm47xx_board = {BCM47XX_BOARD_NO, "Unknown Board"};
0233
0234 static __init const struct bcm47xx_board_type *bcm47xx_board_get_nvram(void)
0235 {
0236     char buf1[30];
0237     char buf2[30];
0238     char buf3[30];
0239     const struct bcm47xx_board_type_list1 *e1;
0240     const struct bcm47xx_board_type_list2 *e2;
0241     const struct bcm47xx_board_type_list3 *e3;
0242
0243     if (bcm47xx_nvram_getenv("model_name", buf1, sizeof(buf1)) >= 0) {
0244         for (e1 = bcm47xx_board_list_model_name; e1->value1; e1++) {
0245             if (!strcmp(buf1, e1->value1))
0246                 return &e1->board;
0247         }
0248     }
0249
0250     if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0) {
0251         for (e1 = bcm47xx_board_list_hardware_version; e1->value1; e1++) {
0252             if (strstarts(buf1, e1->value1))
0253                 return &e1->board;
0254         }
0255     }
0256
0257     if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0 &&
0258         bcm47xx_nvram_getenv("boardnum", buf2, sizeof(buf2)) >= 0) {
0259         for (e2 = bcm47xx_board_list_hw_version_num; e2->value1; e2++) {
0260             if (!strstarts(buf1, e2->value1) &&
0261                 !strcmp(buf2, e2->value2))
0262                 return &e2->board;
0263         }
0264     }
0265
0266     if (bcm47xx_nvram_getenv("productid", buf1, sizeof(buf1)) >= 0) {
0267         for (e1 = bcm47xx_board_list_productid; e1->value1; e1++) {
0268             if (!strcmp(buf1, e1->value1))
0269                 return &e1->board;
0270         }
0271     }
0272
0273     if (bcm47xx_nvram_getenv("ModelId", buf1, sizeof(buf1)) >= 0) {
0274         for (e1 = bcm47xx_board_list_ModelId; e1->value1; e1++) {
0275             if (!strcmp(buf1, e1->value1))
0276                 return &e1->board;
0277         }
0278     }
0279
0280     if (bcm47xx_nvram_getenv("melco_id", buf1, sizeof(buf1)) >= 0 ||
0281         bcm47xx_nvram_getenv("buf1falo_id", buf1, sizeof(buf1)) >= 0) {
0282         /* buffalo hardware, check id for specific hardware matches */
0283         for (e1 = bcm47xx_board_list_melco_id; e1->value1; e1++) {
0284             if (!strcmp(buf1, e1->value1))
0285                 return &e1->board;
0286         }
0287     }
0288
0289     if (bcm47xx_nvram_getenv("boot_hw_model", buf1, sizeof(buf1)) >= 0 &&
0290         bcm47xx_nvram_getenv("boot_hw_ver", buf2, sizeof(buf2)) >= 0) {
0291         for (e2 = bcm47xx_board_list_boot_hw; e2->value1; e2++) {
0292             if (!strcmp(buf1, e2->value1) &&
0293                 !strcmp(buf2, e2->value2))
0294                 return &e2->board;
0295         }
0296     }
0297
0298     if (bcm47xx_nvram_getenv("board_id", buf1, sizeof(buf1)) >= 0) {
0299         for (e1 = bcm47xx_board_list_board_id; e1->value1; e1++) {
0300             if (!strcmp(buf1, e1->value1))
0301                 return &e1->board;
0302         }
0303     }
0304
0305     if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 &&
0306         bcm47xx_nvram_getenv("boardnum", buf2, sizeof(buf2)) >= 0 &&
0307         bcm47xx_nvram_getenv("boardrev", buf3, sizeof(buf3)) >= 0) {
0308         for (e3 = bcm47xx_board_list_board; e3->value1; e3++) {
0309             if (!strcmp(buf1, e3->value1) &&
0310                 !strcmp(buf2, e3->value2) &&
0311                 !strcmp(buf3, e3->value3))
0312                 return &e3->board;
0313         }
0314     }
0315
0316     if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 &&
0317         bcm47xx_nvram_getenv("boardrev", buf2, sizeof(buf2)) >= 0 &&
0318         bcm47xx_nvram_getenv("boardnum", buf3, sizeof(buf3)) ==  -ENOENT) {
0319         for (e2 = bcm47xx_board_list_board_type_rev; e2->value1; e2++) {
0320             if (!strcmp(buf1, e2->value1) &&
0321                 !strcmp(buf2, e2->value2))
0322                 return &e2->board;
0323         }
0324     }
0325
0326     for (e2 = bcm47xx_board_list_key_value; e2->value1; e2++) {
0327         if (bcm47xx_nvram_getenv(e2->value1, buf1, sizeof(buf1)) >= 0) {
0328             if (!strcmp(buf1, e2->value2))
0329                 return &e2->board;
0330         }
0331     }
0332
0333     return bcm47xx_board_unknown;
0334 }
0335
0336 void __init bcm47xx_board_detect(void)
0337 {
0338     int err;
0339     char buf[10];
0340     const struct bcm47xx_board_type *board_detected;
0341
0342     if (bcm47xx_board.board != BCM47XX_BOARD_NO)
0343         return;
0344
0345     /* check if the nvram is available */
0346     err = bcm47xx_nvram_getenv("boardtype", buf, sizeof(buf));
0347
0348     /* init of nvram failed, probably too early now */
0349     if (err == -ENXIO)
0350         return;
0351
0352     board_detected = bcm47xx_board_get_nvram();
0353     bcm47xx_board.board = board_detected->board;
0354     strscpy(bcm47xx_board.name, board_detected->name,
0355         BCM47XX_BOARD_MAX_NAME);
0356 }
0357
0358 enum bcm47xx_board bcm47xx_board_get(void)
0359 {
0360     return bcm47xx_board.board;
0361 }
0362 EXPORT_SYMBOL(bcm47xx_board_get);
0363
0364 const char *bcm47xx_board_get_name(void)
0365 {
0366     return bcm47xx_board.name;
0367 }
0368 EXPORT_SYMBOL(bcm47xx_board_get_name);