| 1 | /* |
| 2 | * ADM5120 specific prom routines |
| 3 | * |
| 4 | * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License version 2 as published |
| 8 | * by the Free Software Foundation. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #include <linux/init.h> |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/string.h> |
| 15 | #include <linux/mm.h> |
| 16 | |
| 17 | #include <asm/bootinfo.h> |
| 18 | #include <asm/mips_machine.h> |
| 19 | |
| 20 | #include <asm/mach-adm5120/adm5120_info.h> |
| 21 | |
| 22 | #include <prom/cfe.h> |
| 23 | #include <prom/generic.h> |
| 24 | #include <prom/routerboot.h> |
| 25 | #include <prom/myloader.h> |
| 26 | #include <prom/zynos.h> |
| 27 | |
| 28 | unsigned int adm5120_prom_type = ADM5120_PROM_GENERIC; |
| 29 | |
| 30 | struct board_desc { |
| 31 | unsigned long mach_type; |
| 32 | char *name; |
| 33 | }; |
| 34 | |
| 35 | #define DEFBOARD(n, mt) { .mach_type = (mt), .name = (n)} |
| 36 | static struct board_desc common_boards[] __initdata = { |
| 37 | /* Cellvision/SparkLAN boards */ |
| 38 | DEFBOARD("CAS-630", MACH_ADM5120_CAS630), |
| 39 | DEFBOARD("CAS-670", MACH_ADM5120_CAS670), |
| 40 | DEFBOARD("CAS-700", MACH_ADM5120_CAS700), |
| 41 | DEFBOARD("CAS-771", MACH_ADM5120_CAS771), |
| 42 | DEFBOARD("CAS-790", MACH_ADM5120_CAS790), |
| 43 | DEFBOARD("CAS-861", MACH_ADM5120_CAS861), |
| 44 | DEFBOARD("NFS-101U", MACH_ADM5120_NFS101U), |
| 45 | /* Compex boards */ |
| 46 | DEFBOARD("WP54G-WRT", MACH_ADM5120_WP54G_WRT), |
| 47 | /* Edimax boards */ |
| 48 | DEFBOARD("BR-6104K", MACH_ADM5120_BR6104K), |
| 49 | DEFBOARD("BR-6104KP", MACH_ADM5120_BR6104KP), |
| 50 | DEFBOARD("BR-6104WG", MACH_ADM5120_BR61X4WG), |
| 51 | DEFBOARD("BR-6114WG", MACH_ADM5120_BR61X4WG), |
| 52 | /* Infineon boards */ |
| 53 | DEFBOARD("EASY 5120P-ATA", MACH_ADM5120_EASY5120PATA), |
| 54 | DEFBOARD("EASY 5120-RT", MACH_ADM5120_EASY5120RT), |
| 55 | DEFBOARD("EASY 5120-WVoIP", MACH_ADM5120_EASY5120WVOIP), |
| 56 | DEFBOARD("EASY 83000", MACH_ADM5120_EASY83000), |
| 57 | /* Mikrotik RouterBOARDs */ |
| 58 | DEFBOARD("111", MACH_ADM5120_RB_11X), |
| 59 | DEFBOARD("112", MACH_ADM5120_RB_11X), |
| 60 | DEFBOARD("133", MACH_ADM5120_RB_133), |
| 61 | DEFBOARD("133C", MACH_ADM5120_RB_133C), |
| 62 | DEFBOARD("133C3", MACH_ADM5120_RB_133C), |
| 63 | DEFBOARD("150", MACH_ADM5120_RB_153), /* it's intentional */ |
| 64 | DEFBOARD("153", MACH_ADM5120_RB_153), |
| 65 | DEFBOARD("192", MACH_ADM5120_RB_192), |
| 66 | DEFBOARD("miniROUTER", MACH_ADM5120_RB_150), |
| 67 | /* OSBRiDGE boards */ |
| 68 | DEFBOARD("OSBRiDGE 5GXi", MACH_ADM5120_5GXI), |
| 69 | /* Motorola boards */ |
| 70 | DEFBOARD("Powerline MU Gateway", MACH_ADM5120_PMUGW), |
| 71 | /* Generic EB-214A */ |
| 72 | DEFBOARD("ADM5120", MACH_ADM5120_EB_214A), |
| 73 | }; |
| 74 | |
| 75 | static unsigned long __init find_machtype_byname(char *name) |
| 76 | { |
| 77 | unsigned long ret; |
| 78 | int i; |
| 79 | |
| 80 | ret = MACH_ADM5120_GENERIC; |
| 81 | if (name == NULL) |
| 82 | goto out; |
| 83 | |
| 84 | if (*name == '\0') |
| 85 | goto out; |
| 86 | |
| 87 | for (i = 0; i < ARRAY_SIZE(common_boards); i++) { |
| 88 | if (strcmp(common_boards[i].name, name) == 0) { |
| 89 | ret = common_boards[i].mach_type; |
| 90 | break; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | out: |
| 95 | return ret; |
| 96 | } |
| 97 | |
| 98 | static unsigned long __init detect_machtype_routerboot(void) |
| 99 | { |
| 100 | char *name; |
| 101 | |
| 102 | name = routerboot_get_boardname(); |
| 103 | return find_machtype_byname(name); |
| 104 | } |
| 105 | |
| 106 | static unsigned long __init detect_machtype_generic(void) |
| 107 | { |
| 108 | char *name; |
| 109 | |
| 110 | name = generic_prom_getenv("board_name"); |
| 111 | return find_machtype_byname(name); |
| 112 | } |
| 113 | |
| 114 | unsigned long __init detect_machtype_cfe(void) |
| 115 | { |
| 116 | char *name; |
| 117 | |
| 118 | name = cfe_getenv("BOARD_NAME"); |
| 119 | return find_machtype_byname(name); |
| 120 | } |
| 121 | |
| 122 | static struct { |
| 123 | unsigned long mach_type; |
| 124 | u16 vendor_id; |
| 125 | u16 board_id; |
| 126 | } zynos_boards[] __initdata = { |
| 127 | #define ZYNOS_BOARD(vi, bi, mt) \ |
| 128 | {.vendor_id = (vi), .board_id = (bi), .mach_type = (mt)} |
| 129 | |
| 130 | #define ZYXEL_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_ZYXEL, bi, mt) |
| 131 | #define DLINK_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_DLINK, bi, mt) |
| 132 | #define LUCENT_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_LUCENT, bi, mt) |
| 133 | ZYXEL_BOARD(ZYNOS_BOARD_HS100, MACH_ADM5120_HS100), |
| 134 | ZYXEL_BOARD(ZYNOS_BOARD_P334U, MACH_ADM5120_P334U), |
| 135 | ZYXEL_BOARD(ZYNOS_BOARD_P334W, MACH_ADM5120_P334W), |
| 136 | ZYXEL_BOARD(ZYNOS_BOARD_P334WH, MACH_ADM5120_P334WH), |
| 137 | ZYXEL_BOARD(ZYNOS_BOARD_P334WHD, MACH_ADM5120_P334WHD), |
| 138 | ZYXEL_BOARD(ZYNOS_BOARD_P334WT, MACH_ADM5120_P334WT), |
| 139 | ZYXEL_BOARD(ZYNOS_BOARD_P334WT_ALT, MACH_ADM5120_P334WT), |
| 140 | ZYXEL_BOARD(ZYNOS_BOARD_P335, MACH_ADM5120_P335), |
| 141 | ZYXEL_BOARD(ZYNOS_BOARD_P335PLUS, MACH_ADM5120_P335PLUS), |
| 142 | ZYXEL_BOARD(ZYNOS_BOARD_P335U, MACH_ADM5120_P335U) |
| 143 | }; |
| 144 | |
| 145 | static unsigned long __init detect_machtype_bootbase(void) |
| 146 | { |
| 147 | int i; |
| 148 | |
| 149 | for (i = 0; i < ARRAY_SIZE(zynos_boards); i++) { |
| 150 | if (zynos_boards[i].vendor_id == bootbase_info.vendor_id && |
| 151 | zynos_boards[i].board_id == bootbase_info.board_id) { |
| 152 | return zynos_boards[i].mach_type; |
| 153 | break; |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | printk(KERN_WARNING "Unknown ZyXEL model (%u)\n", |
| 158 | bootbase_info.board_id); |
| 159 | return MACH_ADM5120_GENERIC; |
| 160 | } |
| 161 | |
| 162 | static struct { |
| 163 | unsigned long mach_type; |
| 164 | u16 vid; |
| 165 | u16 did; |
| 166 | u16 svid; |
| 167 | u16 sdid; |
| 168 | } mylo_boards[] __initdata = { |
| 169 | #define MYLO_BOARD(v, d, sv, sd, mt) \ |
| 170 | {.vid = (v), .did = (d), .svid = (sv), .sdid = (sd), .mach_type = (mt)} |
| 171 | #define COMPEX_BOARD(d, mt) \ |
| 172 | MYLO_BOARD(VENID_COMPEX, (d), VENID_COMPEX, (d), (mt)) |
| 173 | |
| 174 | COMPEX_BOARD(DEVID_COMPEX_NP27G, MACH_ADM5120_NP27G), |
| 175 | COMPEX_BOARD(DEVID_COMPEX_NP28G, MACH_ADM5120_NP28G), |
| 176 | COMPEX_BOARD(DEVID_COMPEX_NP28GHS, MACH_ADM5120_NP28GHS), |
| 177 | COMPEX_BOARD(DEVID_COMPEX_WP54G, MACH_ADM5120_WP54), |
| 178 | COMPEX_BOARD(DEVID_COMPEX_WP54Gv1C, MACH_ADM5120_WP54Gv1C), |
| 179 | COMPEX_BOARD(DEVID_COMPEX_WP54AG, MACH_ADM5120_WP54), |
| 180 | COMPEX_BOARD(DEVID_COMPEX_WPP54G, MACH_ADM5120_WP54), |
| 181 | COMPEX_BOARD(DEVID_COMPEX_WPP54AG, MACH_ADM5120_WP54), |
| 182 | }; |
| 183 | |
| 184 | static unsigned long __init detect_machtype_myloader(void) |
| 185 | { |
| 186 | unsigned long ret; |
| 187 | int i; |
| 188 | |
| 189 | ret = MACH_ADM5120_GENERIC; |
| 190 | for (i = 0; i < ARRAY_SIZE(mylo_boards); i++) { |
| 191 | if (mylo_boards[i].vid == myloader_info.vid && |
| 192 | mylo_boards[i].did == myloader_info.did && |
| 193 | mylo_boards[i].svid == myloader_info.svid && |
| 194 | mylo_boards[i].sdid == myloader_info.sdid) { |
| 195 | ret = mylo_boards[i].mach_type; |
| 196 | break; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | return ret; |
| 201 | } |
| 202 | |
| 203 | static void __init prom_detect_machtype(void) |
| 204 | { |
| 205 | if (bootbase_present()) { |
| 206 | adm5120_prom_type = ADM5120_PROM_BOOTBASE; |
| 207 | mips_machtype = detect_machtype_bootbase(); |
| 208 | return; |
| 209 | } |
| 210 | |
| 211 | if (cfe_present()) { |
| 212 | adm5120_prom_type = ADM5120_PROM_CFE; |
| 213 | mips_machtype = detect_machtype_cfe(); |
| 214 | return; |
| 215 | } |
| 216 | |
| 217 | if (myloader_present()) { |
| 218 | adm5120_prom_type = ADM5120_PROM_MYLOADER; |
| 219 | mips_machtype = detect_machtype_myloader(); |
| 220 | return; |
| 221 | } |
| 222 | |
| 223 | if (routerboot_present()) { |
| 224 | adm5120_prom_type = ADM5120_PROM_ROUTERBOOT; |
| 225 | mips_machtype = detect_machtype_routerboot(); |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | if (generic_prom_present()) { |
| 230 | adm5120_prom_type = ADM5120_PROM_GENERIC; |
| 231 | mips_machtype = detect_machtype_generic(); |
| 232 | return; |
| 233 | } |
| 234 | |
| 235 | mips_machtype = MACH_ADM5120_GENERIC; |
| 236 | } |
| 237 | |
| 238 | #ifdef CONFIG_IMAGE_CMDLINE_HACK |
| 239 | extern char __image_cmdline[]; |
| 240 | |
| 241 | static void __init prom_init_cmdline(void) |
| 242 | { |
| 243 | char *cmd; |
| 244 | |
| 245 | /* init command line, register a default kernel command line */ |
| 246 | cmd = __image_cmdline; |
| 247 | if (strlen(cmd) > 0) |
| 248 | strlcpy(arcs_cmdline, cmd, sizeof(arcs_cmdline)); |
| 249 | |
| 250 | } |
| 251 | #else |
| 252 | static inline void prom_init_cmdline(void) {} |
| 253 | #endif /* CONFIG_IMAGE_CMDLINE_HACK */ |
| 254 | |
| 255 | void __init prom_init(void) |
| 256 | { |
| 257 | prom_detect_machtype(); |
| 258 | prom_init_cmdline(); |
| 259 | } |
| 260 | |
| 261 | void __init prom_free_prom_memory(void) |
| 262 | { |
| 263 | /* We do not have to prom memory to free */ |
| 264 | } |
| 265 | |