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1.1 ! root 1: /************************************************************************** ! 2: * ! 3: * tlan.c -- Etherboot device driver for the Texas Instruments ThunderLAN ! 4: * Written 2003-2003 by Timothy Legge <[email protected]> ! 5: * ! 6: * This program is free software; you can redistribute it and/or modify ! 7: * it under the terms of the GNU General Public License as published by ! 8: * the Free Software Foundation; either version 2 of the License, or ! 9: * (at your option) any later version. ! 10: * ! 11: * This program is distributed in the hope that it will be useful, ! 12: * but WITHOUT ANY WARRANTY; without even the implied warranty of ! 13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 14: * GNU General Public License for more details. ! 15: * ! 16: * You should have received a copy of the GNU General Public License ! 17: * along with this program; if not, write to the Free Software ! 18: * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. ! 19: * ! 20: * Portions of this code (almost all) based on: ! 21: * tlan.c: Linux ThunderLan Driver: ! 22: * ! 23: * by James Banks ! 24: * ! 25: * (C) 1997-1998 Caldera, Inc. ! 26: * (C) 1998 James Banks ! 27: * (C) 1999-2001 Torben Mathiasen ! 28: * (C) 2002 Samuel Chessman ! 29: * ! 30: * REVISION HISTORY: ! 31: * ================ ! 32: * v1.0 07-08-2003 timlegge Initial not quite working version ! 33: * ! 34: * Indent Style: indent -kr -i8 ! 35: ***************************************************************************/ ! 36: ! 37: FILE_LICENCE ( GPL2_OR_LATER ); ! 38: ! 39: /***************************************************************** ! 40: * TLan Definitions ! 41: * ! 42: ****************************************************************/ ! 43: ! 44: #define FALSE 0 ! 45: #define TRUE 1 ! 46: ! 47: #define TLAN_MIN_FRAME_SIZE 64 ! 48: #define TLAN_MAX_FRAME_SIZE 1600 ! 49: ! 50: #define TLAN_NUM_RX_LISTS 4 ! 51: #define TLAN_NUM_TX_LISTS 2 ! 52: ! 53: #define TLAN_IGNORE 0 ! 54: #define TLAN_RECORD 1 ! 55: /* ! 56: #define TLAN_DBG(lvl, format, args...) if (debug&lvl) printf("TLAN: " format, ##args ); ! 57: */ ! 58: #define TLAN_DEBUG_GNRL 0x0001 ! 59: #define TLAN_DEBUG_TX 0x0002 ! 60: #define TLAN_DEBUG_RX 0x0004 ! 61: #define TLAN_DEBUG_LIST 0x0008 ! 62: #define TLAN_DEBUG_PROBE 0x0010 ! 63: ! 64: #define TX_TIMEOUT (10*HZ) /* We need time for auto-neg */ ! 65: #define MAX_TLAN_BOARDS 8 /* Max number of boards installed at a time */ ! 66: ! 67: ! 68: /***************************************************************** ! 69: * Device Identification Definitions ! 70: * ! 71: ****************************************************************/ ! 72: ! 73: #define PCI_DEVICE_ID_NETELLIGENT_10_T2 0xB012 ! 74: #define PCI_DEVICE_ID_NETELLIGENT_10_100_WS_5100 0xB030 ! 75: #ifndef PCI_DEVICE_ID_OLICOM_OC2183 ! 76: #define PCI_DEVICE_ID_OLICOM_OC2183 0x0013 ! 77: #endif ! 78: #ifndef PCI_DEVICE_ID_OLICOM_OC2325 ! 79: #define PCI_DEVICE_ID_OLICOM_OC2325 0x0012 ! 80: #endif ! 81: #ifndef PCI_DEVICE_ID_OLICOM_OC2326 ! 82: #define PCI_DEVICE_ID_OLICOM_OC2326 0x0014 ! 83: #endif ! 84: ! 85: typedef struct tlan_adapter_entry { ! 86: u16 vendorId; ! 87: u16 deviceId; ! 88: char *deviceLabel; ! 89: u32 flags; ! 90: u16 addrOfs; ! 91: } TLanAdapterEntry; ! 92: ! 93: #define TLAN_ADAPTER_NONE 0x00000000 ! 94: #define TLAN_ADAPTER_UNMANAGED_PHY 0x00000001 ! 95: #define TLAN_ADAPTER_BIT_RATE_PHY 0x00000002 ! 96: #define TLAN_ADAPTER_USE_INTERN_10 0x00000004 ! 97: #define TLAN_ADAPTER_ACTIVITY_LED 0x00000008 ! 98: ! 99: #define TLAN_SPEED_DEFAULT 0 ! 100: #define TLAN_SPEED_10 10 ! 101: #define TLAN_SPEED_100 100 ! 102: ! 103: #define TLAN_DUPLEX_DEFAULT 0 ! 104: #define TLAN_DUPLEX_HALF 1 ! 105: #define TLAN_DUPLEX_FULL 2 ! 106: ! 107: ! 108: ! 109: /***************************************************************** ! 110: * EISA Definitions ! 111: * ! 112: ****************************************************************/ ! 113: ! 114: #define EISA_ID 0xc80 /* EISA ID Registers */ ! 115: #define EISA_ID0 0xc80 /* EISA ID Register 0 */ ! 116: #define EISA_ID1 0xc81 /* EISA ID Register 1 */ ! 117: #define EISA_ID2 0xc82 /* EISA ID Register 2 */ ! 118: #define EISA_ID3 0xc83 /* EISA ID Register 3 */ ! 119: #define EISA_CR 0xc84 /* EISA Control Register */ ! 120: #define EISA_REG0 0xc88 /* EISA Configuration Register 0 */ ! 121: #define EISA_REG1 0xc89 /* EISA Configuration Register 1 */ ! 122: #define EISA_REG2 0xc8a /* EISA Configuration Register 2 */ ! 123: #define EISA_REG3 0xc8f /* EISA Configuration Register 3 */ ! 124: #define EISA_APROM 0xc90 /* Ethernet Address PROM */ ! 125: ! 126: ! 127: ! 128: /***************************************************************** ! 129: * Rx/Tx List Definitions ! 130: * ! 131: ****************************************************************/ ! 132: ! 133: #define TLAN_BUFFERS_PER_LIST 10 ! 134: #define TLAN_LAST_BUFFER 0x80000000 ! 135: #define TLAN_CSTAT_UNUSED 0x8000 ! 136: #define TLAN_CSTAT_FRM_CMP 0x4000 ! 137: #define TLAN_CSTAT_READY 0x3000 ! 138: #define TLAN_CSTAT_EOC 0x0800 ! 139: #define TLAN_CSTAT_RX_ERROR 0x0400 ! 140: #define TLAN_CSTAT_PASS_CRC 0x0200 ! 141: #define TLAN_CSTAT_DP_PR 0x0100 ! 142: ! 143: ! 144: ! 145: ! 146: ! 147: ! 148: /***************************************************************** ! 149: * PHY definitions ! 150: * ! 151: ****************************************************************/ ! 152: ! 153: #define TLAN_PHY_MAX_ADDR 0x1F ! 154: #define TLAN_PHY_NONE 0x20 ! 155: ! 156: ! 157: ! 158: /***************************************************************** ! 159: * TLan Driver Timer Definitions ! 160: * ! 161: ****************************************************************/ ! 162: ! 163: #define TLAN_TIMER_LINK_BEAT 1 ! 164: #define TLAN_TIMER_ACTIVITY 2 ! 165: #define TLAN_TIMER_PHY_PDOWN 3 ! 166: #define TLAN_TIMER_PHY_PUP 4 ! 167: #define TLAN_TIMER_PHY_RESET 5 ! 168: #define TLAN_TIMER_PHY_START_LINK 6 ! 169: #define TLAN_TIMER_PHY_FINISH_AN 7 ! 170: #define TLAN_TIMER_FINISH_RESET 8 ! 171: ! 172: #define TLAN_TIMER_ACT_DELAY (HZ/10) ! 173: ! 174: ! 175: ! 176: ! 177: /***************************************************************** ! 178: * TLan Driver Eeprom Definitions ! 179: * ! 180: ****************************************************************/ ! 181: ! 182: #define TLAN_EEPROM_ACK 0 ! 183: #define TLAN_EEPROM_STOP 1 ! 184: ! 185: ! 186: ! 187: ! 188: /***************************************************************** ! 189: * Host Register Offsets and Contents ! 190: * ! 191: ****************************************************************/ ! 192: ! 193: #define TLAN_HOST_CMD 0x00 ! 194: #define TLAN_HC_GO 0x80000000 ! 195: #define TLAN_HC_STOP 0x40000000 ! 196: #define TLAN_HC_ACK 0x20000000 ! 197: #define TLAN_HC_CS_MASK 0x1FE00000 ! 198: #define TLAN_HC_EOC 0x00100000 ! 199: #define TLAN_HC_RT 0x00080000 ! 200: #define TLAN_HC_NES 0x00040000 ! 201: #define TLAN_HC_AD_RST 0x00008000 ! 202: #define TLAN_HC_LD_TMR 0x00004000 ! 203: #define TLAN_HC_LD_THR 0x00002000 ! 204: #define TLAN_HC_REQ_INT 0x00001000 ! 205: #define TLAN_HC_INT_OFF 0x00000800 ! 206: #define TLAN_HC_INT_ON 0x00000400 ! 207: #define TLAN_HC_AC_MASK 0x000000FF ! 208: #define TLAN_CH_PARM 0x04 ! 209: #define TLAN_DIO_ADR 0x08 ! 210: #define TLAN_DA_ADR_INC 0x8000 ! 211: #define TLAN_DA_RAM_ADR 0x4000 ! 212: #define TLAN_HOST_INT 0x0A ! 213: #define TLAN_HI_IV_MASK 0x1FE0 ! 214: #define TLAN_HI_IT_MASK 0x001C ! 215: #define TLAN_DIO_DATA 0x0C ! 216: ! 217: ! 218: /* ThunderLAN Internal Register DIO Offsets */ ! 219: ! 220: #define TLAN_NET_CMD 0x00 ! 221: #define TLAN_NET_CMD_NRESET 0x80 ! 222: #define TLAN_NET_CMD_NWRAP 0x40 ! 223: #define TLAN_NET_CMD_CSF 0x20 ! 224: #define TLAN_NET_CMD_CAF 0x10 ! 225: #define TLAN_NET_CMD_NOBRX 0x08 ! 226: #define TLAN_NET_CMD_DUPLEX 0x04 ! 227: #define TLAN_NET_CMD_TRFRAM 0x02 ! 228: #define TLAN_NET_CMD_TXPACE 0x01 ! 229: #define TLAN_NET_SIO 0x01 ! 230: #define TLAN_NET_SIO_MINTEN 0x80 ! 231: #define TLAN_NET_SIO_ECLOK 0x40 ! 232: #define TLAN_NET_SIO_ETXEN 0x20 ! 233: #define TLAN_NET_SIO_EDATA 0x10 ! 234: #define TLAN_NET_SIO_NMRST 0x08 ! 235: #define TLAN_NET_SIO_MCLK 0x04 ! 236: #define TLAN_NET_SIO_MTXEN 0x02 ! 237: #define TLAN_NET_SIO_MDATA 0x01 ! 238: #define TLAN_NET_STS 0x02 ! 239: #define TLAN_NET_STS_MIRQ 0x80 ! 240: #define TLAN_NET_STS_HBEAT 0x40 ! 241: #define TLAN_NET_STS_TXSTOP 0x20 ! 242: #define TLAN_NET_STS_RXSTOP 0x10 ! 243: #define TLAN_NET_STS_RSRVD 0x0F ! 244: #define TLAN_NET_MASK 0x03 ! 245: #define TLAN_NET_MASK_MASK7 0x80 ! 246: #define TLAN_NET_MASK_MASK6 0x40 ! 247: #define TLAN_NET_MASK_MASK5 0x20 ! 248: #define TLAN_NET_MASK_MASK4 0x10 ! 249: #define TLAN_NET_MASK_RSRVD 0x0F ! 250: #define TLAN_NET_CONFIG 0x04 ! 251: #define TLAN_NET_CFG_RCLK 0x8000 ! 252: #define TLAN_NET_CFG_TCLK 0x4000 ! 253: #define TLAN_NET_CFG_BIT 0x2000 ! 254: #define TLAN_NET_CFG_RXCRC 0x1000 ! 255: #define TLAN_NET_CFG_PEF 0x0800 ! 256: #define TLAN_NET_CFG_1FRAG 0x0400 ! 257: #define TLAN_NET_CFG_1CHAN 0x0200 ! 258: #define TLAN_NET_CFG_MTEST 0x0100 ! 259: #define TLAN_NET_CFG_PHY_EN 0x0080 ! 260: #define TLAN_NET_CFG_MSMASK 0x007F ! 261: #define TLAN_MAN_TEST 0x06 ! 262: #define TLAN_DEF_VENDOR_ID 0x08 ! 263: #define TLAN_DEF_DEVICE_ID 0x0A ! 264: #define TLAN_DEF_REVISION 0x0C ! 265: #define TLAN_DEF_SUBCLASS 0x0D ! 266: #define TLAN_DEF_MIN_LAT 0x0E ! 267: #define TLAN_DEF_MAX_LAT 0x0F ! 268: #define TLAN_AREG_0 0x10 ! 269: #define TLAN_AREG_1 0x16 ! 270: #define TLAN_AREG_2 0x1C ! 271: #define TLAN_AREG_3 0x22 ! 272: #define TLAN_HASH_1 0x28 ! 273: #define TLAN_HASH_2 0x2C ! 274: #define TLAN_GOOD_TX_FRMS 0x30 ! 275: #define TLAN_TX_UNDERUNS 0x33 ! 276: #define TLAN_GOOD_RX_FRMS 0x34 ! 277: #define TLAN_RX_OVERRUNS 0x37 ! 278: #define TLAN_DEFERRED_TX 0x38 ! 279: #define TLAN_CRC_ERRORS 0x3A ! 280: #define TLAN_CODE_ERRORS 0x3B ! 281: #define TLAN_MULTICOL_FRMS 0x3C ! 282: #define TLAN_SINGLECOL_FRMS 0x3E ! 283: #define TLAN_EXCESSCOL_FRMS 0x40 ! 284: #define TLAN_LATE_COLS 0x41 ! 285: #define TLAN_CARRIER_LOSS 0x42 ! 286: #define TLAN_ACOMMIT 0x43 ! 287: #define TLAN_LED_REG 0x44 ! 288: #define TLAN_LED_ACT 0x10 ! 289: #define TLAN_LED_LINK 0x01 ! 290: #define TLAN_BSIZE_REG 0x45 ! 291: #define TLAN_MAX_RX 0x46 ! 292: #define TLAN_INT_DIS 0x48 ! 293: #define TLAN_ID_TX_EOC 0x04 ! 294: #define TLAN_ID_RX_EOF 0x02 ! 295: #define TLAN_ID_RX_EOC 0x01 ! 296: ! 297: ! 298: ! 299: /* ThunderLAN Interrupt Codes */ ! 300: ! 301: #define TLAN_INT_NUMBER_OF_INTS 8 ! 302: ! 303: #define TLAN_INT_NONE 0x0000 ! 304: #define TLAN_INT_TX_EOF 0x0001 ! 305: #define TLAN_INT_STAT_OVERFLOW 0x0002 ! 306: #define TLAN_INT_RX_EOF 0x0003 ! 307: #define TLAN_INT_DUMMY 0x0004 ! 308: #define TLAN_INT_TX_EOC 0x0005 ! 309: #define TLAN_INT_STATUS_CHECK 0x0006 ! 310: #define TLAN_INT_RX_EOC 0x0007 ! 311: ! 312: ! 313: ! 314: /* ThunderLAN MII Registers */ ! 315: ! 316: /* ThunderLAN Specific MII/PHY Registers */ ! 317: ! 318: #define TLAN_TLPHY_ID 0x10 ! 319: #define TLAN_TLPHY_CTL 0x11 ! 320: #define TLAN_TC_IGLINK 0x8000 ! 321: #define TLAN_TC_SWAPOL 0x4000 ! 322: #define TLAN_TC_AUISEL 0x2000 ! 323: #define TLAN_TC_SQEEN 0x1000 ! 324: #define TLAN_TC_MTEST 0x0800 ! 325: #define TLAN_TC_RESERVED 0x07F8 ! 326: #define TLAN_TC_NFEW 0x0004 ! 327: #define TLAN_TC_INTEN 0x0002 ! 328: #define TLAN_TC_TINT 0x0001 ! 329: #define TLAN_TLPHY_STS 0x12 ! 330: #define TLAN_TS_MINT 0x8000 ! 331: #define TLAN_TS_PHOK 0x4000 ! 332: #define TLAN_TS_POLOK 0x2000 ! 333: #define TLAN_TS_TPENERGY 0x1000 ! 334: #define TLAN_TS_RESERVED 0x0FFF ! 335: #define TLAN_TLPHY_PAR 0x19 ! 336: #define TLAN_PHY_CIM_STAT 0x0020 ! 337: #define TLAN_PHY_SPEED_100 0x0040 ! 338: #define TLAN_PHY_DUPLEX_FULL 0x0080 ! 339: #define TLAN_PHY_AN_EN_STAT 0x0400 ! 340: ! 341: /* National Sem. & Level1 PHY id's */ ! 342: #define NAT_SEM_ID1 0x2000 ! 343: #define NAT_SEM_ID2 0x5C01 ! 344: #define LEVEL1_ID1 0x7810 ! 345: #define LEVEL1_ID2 0x0000 ! 346: ! 347: #define CIRC_INC( a, b ) if ( ++a >= b ) a = 0 ! 348: ! 349: /* Routines to access internal registers. */ ! 350: ! 351: static inline u8 TLan_DioRead8(u16 base_addr, u16 internal_addr) ! 352: { ! 353: outw(internal_addr, base_addr + TLAN_DIO_ADR); ! 354: return (inb((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x3))); ! 355: ! 356: } /* TLan_DioRead8 */ ! 357: ! 358: ! 359: ! 360: ! 361: static inline u16 TLan_DioRead16(u16 base_addr, u16 internal_addr) ! 362: { ! 363: outw(internal_addr, base_addr + TLAN_DIO_ADR); ! 364: return (inw((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x2))); ! 365: ! 366: } /* TLan_DioRead16 */ ! 367: ! 368: ! 369: ! 370: ! 371: static inline u32 TLan_DioRead32(u16 base_addr, u16 internal_addr) ! 372: { ! 373: outw(internal_addr, base_addr + TLAN_DIO_ADR); ! 374: return (inl(base_addr + TLAN_DIO_DATA)); ! 375: ! 376: } /* TLan_DioRead32 */ ! 377: ! 378: ! 379: ! 380: ! 381: static inline void TLan_DioWrite8(u16 base_addr, u16 internal_addr, u8 data) ! 382: { ! 383: outw(internal_addr, base_addr + TLAN_DIO_ADR); ! 384: outb(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x3)); ! 385: ! 386: } ! 387: ! 388: ! 389: ! 390: ! 391: static inline void TLan_DioWrite16(u16 base_addr, u16 internal_addr, u16 data) ! 392: { ! 393: outw(internal_addr, base_addr + TLAN_DIO_ADR); ! 394: outw(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x2)); ! 395: ! 396: } ! 397: ! 398: ! 399: ! 400: ! 401: static inline void TLan_DioWrite32(u16 base_addr, u16 internal_addr, u32 data) ! 402: { ! 403: outw(internal_addr, base_addr + TLAN_DIO_ADR); ! 404: outl(data, base_addr + TLAN_DIO_DATA + (internal_addr & 0x2)); ! 405: ! 406: } ! 407: ! 408: ! 409: ! 410: #if 0 ! 411: static inline void TLan_ClearBit(u8 bit, u16 port) ! 412: { ! 413: outb_p(inb_p(port) & ~bit, port); ! 414: } ! 415: ! 416: ! 417: ! 418: ! 419: static inline int TLan_GetBit(u8 bit, u16 port) ! 420: { ! 421: return ((int) (inb_p(port) & bit)); ! 422: } ! 423: ! 424: ! 425: ! 426: ! 427: static inline void TLan_SetBit(u8 bit, u16 port) ! 428: { ! 429: outb_p(inb_p(port) | bit, port); ! 430: } ! 431: #endif ! 432: ! 433: #define TLan_ClearBit( bit, port ) outb_p(inb_p(port) & ~bit, port) ! 434: #define TLan_GetBit( bit, port ) ((int) (inb_p(port) & bit)) ! 435: #define TLan_SetBit( bit, port ) outb_p(inb_p(port) | bit, port) ! 436: ! 437: #ifdef I_LIKE_A_FAST_HASH_FUNCTION ! 438: /* given 6 bytes, view them as 8 6-bit numbers and return the XOR of those */ ! 439: /* the code below is about seven times as fast as the original code */ ! 440: static inline u32 TLan_HashFunc(u8 * a) ! 441: { ! 442: u8 hash; ! 443: ! 444: hash = (a[0] ^ a[3]); /* & 077 */ ! 445: hash ^= ((a[0] ^ a[3]) >> 6); /* & 003 */ ! 446: hash ^= ((a[1] ^ a[4]) << 2); /* & 074 */ ! 447: hash ^= ((a[1] ^ a[4]) >> 4); /* & 017 */ ! 448: hash ^= ((a[2] ^ a[5]) << 4); /* & 060 */ ! 449: hash ^= ((a[2] ^ a[5]) >> 2); /* & 077 */ ! 450: ! 451: return (hash & 077); ! 452: } ! 453: ! 454: #else /* original code */ ! 455: ! 456: static inline u32 xor(u32 a, u32 b) ! 457: { ! 458: return ((a && !b) || (!a && b)); ! 459: } ! 460: ! 461: #define XOR8( a, b, c, d, e, f, g, h ) xor( a, xor( b, xor( c, xor( d, xor( e, xor( f, xor( g, h ) ) ) ) ) ) ) ! 462: #define DA( a, bit ) ( ( (u8) a[bit/8] ) & ( (u8) ( 1 << bit%8 ) ) ) ! 463: ! 464: static inline u32 TLan_HashFunc(u8 * a) ! 465: { ! 466: u32 hash; ! 467: ! 468: hash = ! 469: XOR8(DA(a, 0), DA(a, 6), DA(a, 12), DA(a, 18), DA(a, 24), ! 470: DA(a, 30), DA(a, 36), DA(a, 42)); ! 471: hash |= ! 472: XOR8(DA(a, 1), DA(a, 7), DA(a, 13), DA(a, 19), DA(a, 25), ! 473: DA(a, 31), DA(a, 37), DA(a, 43)) << 1; ! 474: hash |= ! 475: XOR8(DA(a, 2), DA(a, 8), DA(a, 14), DA(a, 20), DA(a, 26), ! 476: DA(a, 32), DA(a, 38), DA(a, 44)) << 2; ! 477: hash |= ! 478: XOR8(DA(a, 3), DA(a, 9), DA(a, 15), DA(a, 21), DA(a, 27), ! 479: DA(a, 33), DA(a, 39), DA(a, 45)) << 3; ! 480: hash |= ! 481: XOR8(DA(a, 4), DA(a, 10), DA(a, 16), DA(a, 22), DA(a, 28), ! 482: DA(a, 34), DA(a, 40), DA(a, 46)) << 4; ! 483: hash |= ! 484: XOR8(DA(a, 5), DA(a, 11), DA(a, 17), DA(a, 23), DA(a, 29), ! 485: DA(a, 35), DA(a, 41), DA(a, 47)) << 5; ! 486: ! 487: return hash; ! 488: ! 489: } ! 490: ! 491: #endif /* I_LIKE_A_FAST_HASH_FUNCTION */
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