1 /* 2 * fec.h -- Fast Ethernet Controller definitions 3 * 4 * Some definitions copied from commproc.h for MPC8xx: 5 * MPC8xx Communication Processor Module. 6 * Copyright (c) 1997 Dan Malek (dmalek@jlc.net) 7 * 8 * Add FEC Structure and definitions 9 * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. 10 * TsiChung Liew (Tsi-Chung.Liew@freescale.com) 11 * 12 * See file CREDITS for list of people who contributed to this 13 * project. 14 * 15 * This program is free software; you can redistribute it and/or 16 * modify it under the terms of the GNU General Public License as 17 * published by the Free Software Foundation; either version 2 of 18 * the License, or (at your option) any later version. 19 * 20 * This program is distributed in the hope that it will be useful, 21 * but WITHOUT ANY WARRANTY; without even the implied warranty of 22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 23 * GNU General Public License for more details. 24 * 25 * You should have received a copy of the GNU General Public License 26 * along with this program; if not, write to the Free Software 27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 28 * MA 02111-1307 USA 29 */ 30 31 #ifndef fec_h 32 #define fec_h 33 34 /* Buffer descriptors used FEC. 35 */ 36 typedef struct cpm_buf_desc { 37 ushort cbd_sc; /* Status and Control */ 38 ushort cbd_datlen; /* Data length in buffer */ 39 uint cbd_bufaddr; /* Buffer address in host memory */ 40 } cbd_t; 41 42 #define BD_SC_EMPTY ((ushort)0x8000) /* Receive is empty */ 43 #define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */ 44 #define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor */ 45 #define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */ 46 #define BD_SC_LAST ((ushort)0x0800) /* Last buffer in frame */ 47 #define BD_SC_TC ((ushort)0x0400) /* Transmit CRC */ 48 #define BD_SC_CM ((ushort)0x0200) /* Continous mode */ 49 #define BD_SC_ID ((ushort)0x0100) /* Rec'd too many idles */ 50 #define BD_SC_P ((ushort)0x0100) /* xmt preamble */ 51 #define BD_SC_BR ((ushort)0x0020) /* Break received */ 52 #define BD_SC_FR ((ushort)0x0010) /* Framing error */ 53 #define BD_SC_PR ((ushort)0x0008) /* Parity error */ 54 #define BD_SC_OV ((ushort)0x0002) /* Overrun */ 55 #define BD_SC_CD ((ushort)0x0001) /* Carrier Detect lost */ 56 57 /* Buffer descriptor control/status used by Ethernet receive. 58 */ 59 #define BD_ENET_RX_EMPTY ((ushort)0x8000) 60 #define BD_ENET_RX_RO1 ((ushort)0x4000) 61 #define BD_ENET_RX_WRAP ((ushort)0x2000) 62 #define BD_ENET_RX_INTR ((ushort)0x1000) 63 #define BD_ENET_RX_RO2 BD_ENET_RX_INTR 64 #define BD_ENET_RX_LAST ((ushort)0x0800) 65 #define BD_ENET_RX_FIRST ((ushort)0x0400) 66 #define BD_ENET_RX_MISS ((ushort)0x0100) 67 #define BD_ENET_RX_BC ((ushort)0x0080) 68 #define BD_ENET_RX_MC ((ushort)0x0040) 69 #define BD_ENET_RX_LG ((ushort)0x0020) 70 #define BD_ENET_RX_NO ((ushort)0x0010) 71 #define BD_ENET_RX_SH ((ushort)0x0008) 72 #define BD_ENET_RX_CR ((ushort)0x0004) 73 #define BD_ENET_RX_OV ((ushort)0x0002) 74 #define BD_ENET_RX_CL ((ushort)0x0001) 75 #define BD_ENET_RX_TR BD_ENET_RX_CL 76 #define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */ 77 78 /* Buffer descriptor control/status used by Ethernet transmit. 79 */ 80 #define BD_ENET_TX_READY ((ushort)0x8000) 81 #define BD_ENET_TX_PAD ((ushort)0x4000) 82 #define BD_ENET_TX_TO1 BD_ENET_TX_PAD 83 #define BD_ENET_TX_WRAP ((ushort)0x2000) 84 #define BD_ENET_TX_INTR ((ushort)0x1000) 85 #define BD_ENET_TX_TO2 BD_ENET_TX_INTR_ 86 #define BD_ENET_TX_LAST ((ushort)0x0800) 87 #define BD_ENET_TX_TC ((ushort)0x0400) 88 #define BD_ENET_TX_DEF ((ushort)0x0200) 89 #define BD_ENET_TX_ABC BD_ENET_TX_DEF 90 #define BD_ENET_TX_HB ((ushort)0x0100) 91 #define BD_ENET_TX_LC ((ushort)0x0080) 92 #define BD_ENET_TX_RL ((ushort)0x0040) 93 #define BD_ENET_TX_RCMASK ((ushort)0x003c) 94 #define BD_ENET_TX_UN ((ushort)0x0002) 95 #define BD_ENET_TX_CSL ((ushort)0x0001) 96 #define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */ 97 98 /********************************************************************* 99 * Fast Ethernet Controller (FEC) 100 *********************************************************************/ 101 /* FEC private information */ 102 struct fec_info_s { 103 int index; 104 u32 iobase; 105 u32 pinmux; 106 u32 miibase; 107 int phy_addr; 108 int dup_spd; 109 char *phy_name; 110 int phyname_init; 111 cbd_t *rxbd; /* Rx BD */ 112 cbd_t *txbd; /* Tx BD */ 113 uint rxIdx; 114 uint txIdx; 115 char *txbuf; 116 int initialized; 117 struct fec_info_s *next; 118 }; 119 120 #ifdef CONFIG_MCFFEC 121 /* Register read/write struct */ 122 typedef struct fec { 123 #ifdef CONFIG_M5272 124 u32 ecr; /* 0x00 */ 125 u32 eir; /* 0x04 */ 126 u32 eimr; /* 0x08 */ 127 u32 ivsr; /* 0x0C */ 128 u32 rdar; /* 0x10 */ 129 u32 tdar; /* 0x14 */ 130 u8 resv1[0x28]; /* 0x18 */ 131 u32 mmfr; /* 0x40 */ 132 u32 mscr; /* 0x44 */ 133 u8 resv2[0x44]; /* 0x48 */ 134 u32 frbr; /* 0x8C */ 135 u32 frsr; /* 0x90 */ 136 u8 resv3[0x10]; /* 0x94 */ 137 u32 tfwr; /* 0xA4 */ 138 u32 res4; /* 0xA8 */ 139 u32 tfsr; /* 0xAC */ 140 u8 resv4[0x50]; /* 0xB0 */ 141 u32 opd; /* 0x100 - dummy */ 142 u32 rcr; /* 0x104 */ 143 u32 mibc; /* 0x108 */ 144 u8 resv5[0x38]; /* 0x10C */ 145 u32 tcr; /* 0x144 */ 146 u8 resv6[0x270]; /* 0x148 */ 147 u32 iaur; /* 0x3B8 - dummy */ 148 u32 ialr; /* 0x3BC - dummy */ 149 u32 palr; /* 0x3C0 */ 150 u32 paur; /* 0x3C4 */ 151 u32 gaur; /* 0x3C8 */ 152 u32 galr; /* 0x3CC */ 153 u32 erdsr; /* 0x3D0 */ 154 u32 etdsr; /* 0x3D4 */ 155 u32 emrbr; /* 0x3D8 */ 156 u8 resv12[0x74]; /* 0x18C */ 157 #else 158 u8 resv0[0x4]; 159 u32 eir; 160 u32 eimr; 161 u8 resv1[0x4]; 162 u32 rdar; 163 u32 tdar; 164 u8 resv2[0xC]; 165 u32 ecr; 166 u8 resv3[0x18]; 167 u32 mmfr; 168 u32 mscr; 169 u8 resv4[0x1C]; 170 u32 mibc; 171 u8 resv5[0x1C]; 172 u32 rcr; 173 u8 resv6[0x3C]; 174 u32 tcr; 175 u8 resv7[0x1C]; 176 u32 palr; 177 u32 paur; 178 u32 opd; 179 u8 resv8[0x28]; 180 u32 iaur; 181 u32 ialr; 182 u32 gaur; 183 u32 galr; 184 u8 resv9[0x1C]; 185 u32 tfwr; 186 u8 resv10[0x4]; 187 u32 frbr; 188 u32 frsr; 189 u8 resv11[0x2C]; 190 u32 erdsr; 191 u32 etdsr; 192 u32 emrbr; 193 u8 resv12[0x74]; 194 #endif 195 196 u32 rmon_t_drop; 197 u32 rmon_t_packets; 198 u32 rmon_t_bc_pkt; 199 u32 rmon_t_mc_pkt; 200 u32 rmon_t_crc_align; 201 u32 rmon_t_undersize; 202 u32 rmon_t_oversize; 203 u32 rmon_t_frag; 204 u32 rmon_t_jab; 205 u32 rmon_t_col; 206 u32 rmon_t_p64; 207 u32 rmon_t_p65to127; 208 u32 rmon_t_p128to255; 209 u32 rmon_t_p256to511; 210 u32 rmon_t_p512to1023; 211 u32 rmon_t_p1024to2047; 212 u32 rmon_t_p_gte2048; 213 u32 rmon_t_octets; 214 215 u32 ieee_t_drop; 216 u32 ieee_t_frame_ok; 217 u32 ieee_t_1col; 218 u32 ieee_t_mcol; 219 u32 ieee_t_def; 220 u32 ieee_t_lcol; 221 u32 ieee_t_excol; 222 u32 ieee_t_macerr; 223 u32 ieee_t_cserr; 224 u32 ieee_t_sqe; 225 u32 ieee_t_fdxfc; 226 u32 ieee_t_octets_ok; 227 u8 resv13[0x8]; 228 229 u32 rmon_r_drop; 230 u32 rmon_r_packets; 231 u32 rmon_r_bc_pkt; 232 u32 rmon_r_mc_pkt; 233 u32 rmon_r_crc_align; 234 u32 rmon_r_undersize; 235 u32 rmon_r_oversize; 236 u32 rmon_r_frag; 237 u32 rmon_r_jab; 238 u32 rmon_r_resvd_0; 239 u32 rmon_r_p64; 240 u32 rmon_r_p65to127; 241 u32 rmon_r_p128to255; 242 u32 rmon_r_p256to511; 243 u32 rmon_r_p512to1023; 244 u32 rmon_r_p1024to2047; 245 u32 rmon_r_p_gte2048; 246 u32 rmon_r_octets; 247 248 u32 ieee_r_drop; 249 u32 ieee_r_frame_ok; 250 u32 ieee_r_crc; 251 u32 ieee_r_align; 252 u32 ieee_r_macerr; 253 u32 ieee_r_fdxfc; 254 u32 ieee_r_octets_ok; 255 } fec_t; 256 #endif /* CONFIG_MCFFEC */ 257 258 /********************************************************************* 259 * Fast Ethernet Controller (FEC) 260 *********************************************************************/ 261 /* Bit definitions and macros for FEC_EIR */ 262 #define FEC_EIR_CLEAR_ALL (0xFFF80000) 263 #define FEC_EIR_HBERR (0x80000000) 264 #define FEC_EIR_BABR (0x40000000) 265 #define FEC_EIR_BABT (0x20000000) 266 #define FEC_EIR_GRA (0x10000000) 267 #define FEC_EIR_TXF (0x08000000) 268 #define FEC_EIR_TXB (0x04000000) 269 #define FEC_EIR_RXF (0x02000000) 270 #define FEC_EIR_RXB (0x01000000) 271 #define FEC_EIR_MII (0x00800000) 272 #define FEC_EIR_EBERR (0x00400000) 273 #define FEC_EIR_LC (0x00200000) 274 #define FEC_EIR_RL (0x00100000) 275 #define FEC_EIR_UN (0x00080000) 276 277 /* Bit definitions and macros for FEC_RDAR */ 278 #define FEC_RDAR_R_DES_ACTIVE (0x01000000) 279 280 /* Bit definitions and macros for FEC_TDAR */ 281 #define FEC_TDAR_X_DES_ACTIVE (0x01000000) 282 283 /* Bit definitions and macros for FEC_ECR */ 284 #define FEC_ECR_ETHER_EN (0x00000002) 285 #define FEC_ECR_RESET (0x00000001) 286 287 /* Bit definitions and macros for FEC_MMFR */ 288 #define FEC_MMFR_DATA(x) (((x)&0xFFFF)) 289 #define FEC_MMFR_ST(x) (((x)&0x03)<<30) 290 #define FEC_MMFR_ST_01 (0x40000000) 291 #define FEC_MMFR_OP_RD (0x20000000) 292 #define FEC_MMFR_OP_WR (0x10000000) 293 #define FEC_MMFR_PA(x) (((x)&0x1F)<<23) 294 #define FEC_MMFR_RA(x) (((x)&0x1F)<<18) 295 #define FEC_MMFR_TA(x) (((x)&0x03)<<16) 296 #define FEC_MMFR_TA_10 (0x00020000) 297 298 /* Bit definitions and macros for FEC_MSCR */ 299 #define FEC_MSCR_DIS_PREAMBLE (0x00000080) 300 #define FEC_MSCR_MII_SPEED(x) (((x)&0x3F)<<1) 301 302 /* Bit definitions and macros for FEC_MIBC */ 303 #define FEC_MIBC_MIB_DISABLE (0x80000000) 304 #define FEC_MIBC_MIB_IDLE (0x40000000) 305 306 /* Bit definitions and macros for FEC_RCR */ 307 #define FEC_RCR_MAX_FL(x) (((x)&0x7FF)<<16) 308 #define FEC_RCR_FCE (0x00000020) 309 #define FEC_RCR_BC_REJ (0x00000010) 310 #define FEC_RCR_PROM (0x00000008) 311 #define FEC_RCR_MII_MODE (0x00000004) 312 #define FEC_RCR_DRT (0x00000002) 313 #define FEC_RCR_LOOP (0x00000001) 314 315 /* Bit definitions and macros for FEC_TCR */ 316 #define FEC_TCR_RFC_PAUSE (0x00000010) 317 #define FEC_TCR_TFC_PAUSE (0x00000008) 318 #define FEC_TCR_FDEN (0x00000004) 319 #define FEC_TCR_HBC (0x00000002) 320 #define FEC_TCR_GTS (0x00000001) 321 322 /* Bit definitions and macros for FEC_PAUR */ 323 #define FEC_PAUR_PADDR2(x) (((x)&0xFFFF)<<16) 324 #define FEC_PAUR_TYPE(x) ((x)&0xFFFF) 325 326 /* Bit definitions and macros for FEC_OPD */ 327 #define FEC_OPD_PAUSE_DUR(x) (((x)&0x0000FFFF)<<0) 328 #define FEC_OPD_OPCODE(x) (((x)&0x0000FFFF)<<16) 329 330 /* Bit definitions and macros for FEC_TFWR */ 331 #define FEC_TFWR_X_WMRK(x) ((x)&0x03) 332 #define FEC_TFWR_X_WMRK_64 (0x01) 333 #define FEC_TFWR_X_WMRK_128 (0x02) 334 #define FEC_TFWR_X_WMRK_192 (0x03) 335 336 /* Bit definitions and macros for FEC_FRBR */ 337 #define FEC_FRBR_R_BOUND(x) (((x)&0xFF)<<2) 338 339 /* Bit definitions and macros for FEC_FRSR */ 340 #define FEC_FRSR_R_FSTART(x) (((x)&0xFF)<<2) 341 342 /* Bit definitions and macros for FEC_ERDSR */ 343 #define FEC_ERDSR_R_DES_START(x) (((x)&0x3FFFFFFF)<<2) 344 345 /* Bit definitions and macros for FEC_ETDSR */ 346 #define FEC_ETDSR_X_DES_START(x) (((x)&0x3FFFFFFF)<<2) 347 348 /* Bit definitions and macros for FEC_EMRBR */ 349 #define FEC_EMRBR_R_BUF_SIZE(x) (((x)&0x7F)<<4) 350 351 #define FEC_RESET_DELAY 100 352 #define FEC_RX_TOUT 100 353 354 int fecpin_setclear(struct eth_device *dev, int setclear); 355 356 #ifdef CONFIG_SYS_DISCOVER_PHY 357 void __mii_init(void); 358 uint mii_send(uint mii_cmd); 359 int mii_discover_phy(struct eth_device *dev); 360 int mcffec_miiphy_read(const char *devname, unsigned char addr, 361 unsigned char reg, unsigned short *value); 362 int mcffec_miiphy_write(const char *devname, unsigned char addr, 363 unsigned char reg, unsigned short value); 364 #endif 365 366 #endif /* fec_h */ 367