1/* Copyright, 1988-1992, Russell Nelson, Crynwr Software 2 3 This program is free software; you can redistribute it and/or modify 4 it under the terms of the GNU General Public License as published by 5 the Free Software Foundation, version 1. 6 7 This program is distributed in the hope that it will be useful, 8 but WITHOUT ANY WARRANTY; without even the implied warranty of 9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 GNU General Public License for more details. 11 12 You should have received a copy of the GNU General Public License 13 along with this program; if not, write to the Free Software 14 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 15 */ 16 17 18#define PP_ChipID 0x0000 /* offset 0h -> Corp -ID */ 19 /* offset 2h -> Model/Product Number */ 20 /* offset 3h -> Chip Revision Number */ 21 22#define PP_ISAIOB 0x0020 /* IO base address */ 23#define PP_CS8900_ISAINT 0x0022 /* ISA interrupt select */ 24#define PP_CS8920_ISAINT 0x0370 /* ISA interrupt select */ 25#define PP_CS8900_ISADMA 0x0024 /* ISA Rec DMA channel */ 26#define PP_CS8920_ISADMA 0x0374 /* ISA Rec DMA channel */ 27#define PP_ISASOF 0x0026 /* ISA DMA offset */ 28#define PP_DmaFrameCnt 0x0028 /* ISA DMA Frame count */ 29#define PP_DmaByteCnt 0x002A /* ISA DMA Byte count */ 30#define PP_CS8900_ISAMemB 0x002C /* Memory base */ 31#define PP_CS8920_ISAMemB 0x0348 /* */ 32 33#define PP_ISABootBase 0x0030 /* Boot Prom base */ 34#define PP_ISABootMask 0x0034 /* Boot Prom Mask */ 35 36/* EEPROM data and command registers */ 37#define PP_EECMD 0x0040 /* NVR Interface Command register */ 38#define PP_EEData 0x0042 /* NVR Interface Data Register */ 39#define PP_DebugReg 0x0044 /* Debug Register */ 40 41#define PP_RxCFG 0x0102 /* Rx Bus config */ 42#define PP_RxCTL 0x0104 /* Receive Control Register */ 43#define PP_TxCFG 0x0106 /* Transmit Config Register */ 44#define PP_TxCMD 0x0108 /* Transmit Command Register */ 45#define PP_BufCFG 0x010A /* Bus configuration Register */ 46#define PP_LineCTL 0x0112 /* Line Config Register */ 47#define PP_SelfCTL 0x0114 /* Self Command Register */ 48#define PP_BusCTL 0x0116 /* ISA bus control Register */ 49#define PP_TestCTL 0x0118 /* Test Register */ 50#define PP_AutoNegCTL 0x011C /* Auto Negotiation Ctrl */ 51 52#define PP_ISQ 0x0120 /* Interrupt Status */ 53#define PP_RxEvent 0x0124 /* Rx Event Register */ 54#define PP_TxEvent 0x0128 /* Tx Event Register */ 55#define PP_BufEvent 0x012C /* Bus Event Register */ 56#define PP_RxMiss 0x0130 /* Receive Miss Count */ 57#define PP_TxCol 0x0132 /* Transmit Collision Count */ 58#define PP_LineST 0x0134 /* Line State Register */ 59#define PP_SelfST 0x0136 /* Self State register */ 60#define PP_BusST 0x0138 /* Bus Status */ 61#define PP_TDR 0x013C /* Time Domain Reflectometry */ 62#define PP_AutoNegST 0x013E /* Auto Neg Status */ 63#define PP_TxCommand 0x0144 /* Tx Command */ 64#define PP_TxLength 0x0146 /* Tx Length */ 65#define PP_LAF 0x0150 /* Hash Table */ 66#define PP_IA 0x0158 /* Physical Address Register */ 67 68#define PP_RxStatus 0x0400 /* Receive start of frame */ 69#define PP_RxLength 0x0402 /* Receive Length of frame */ 70#define PP_RxFrame 0x0404 /* Receive frame pointer */ 71#define PP_TxFrame 0x0A00 /* Transmit frame pointer */ 72 73/* Primary I/O Base Address. If no I/O base is supplied by the user, then this */ 74/* can be used as the default I/O base to access the PacketPage Area. */ 75#define DEFAULTIOBASE 0x0300 76#define FIRST_IO 0x020C /* First I/O port to check */ 77#define LAST_IO 0x037C /* Last I/O port to check (+10h) */ 78#define ADD_MASK 0x3000 /* Mask it use of the ADD_PORT register */ 79#define ADD_SIG 0x3000 /* Expected ID signature */ 80 81/* On Macs, we only need use the ISA I/O stuff until we do MEMORY_ON */ 82#ifdef CONFIG_MAC 83#define LCSLOTBASE 0xfee00000 84#define MMIOBASE 0x40000 85#endif 86 87#define CHIP_EISA_ID_SIG 0x630E /* Product ID Code for Crystal Chip (CS8900 spec 4.3) */ 88#define CHIP_EISA_ID_SIG_STR "0x630E" 89 90#ifdef IBMEIPKT 91#define EISA_ID_SIG 0x4D24 /* IBM */ 92#define PART_NO_SIG 0x1010 /* IBM */ 93#define MONGOOSE_BIT 0x0000 /* IBM */ 94#else 95#define EISA_ID_SIG 0x630E /* PnP Vendor ID (same as chip id for Crystal board) */ 96#define PART_NO_SIG 0x4000 /* ID code CS8920 board (PnP Vendor Product code) */ 97#define MONGOOSE_BIT 0x2000 /* PART_NO_SIG + MONGOOSE_BUT => ID of mongoose */ 98#endif 99 100#define PRODUCT_ID_ADD 0x0002 /* Address of product ID */ 101 102/* Mask to find out the types of registers */ 103#define REG_TYPE_MASK 0x001F 104 105/* Eeprom Commands */ 106#define ERSE_WR_ENBL 0x00F0 107#define ERSE_WR_DISABLE 0x0000 108 109/* Defines Control/Config register quintuplet numbers */ 110#define RX_BUF_CFG 0x0003 111#define RX_CONTROL 0x0005 112#define TX_CFG 0x0007 113#define TX_COMMAND 0x0009 114#define BUF_CFG 0x000B 115#define LINE_CONTROL 0x0013 116#define SELF_CONTROL 0x0015 117#define BUS_CONTROL 0x0017 118#define TEST_CONTROL 0x0019 119 120/* Defines Status/Count registers quintuplet numbers */ 121#define RX_EVENT 0x0004 122#define TX_EVENT 0x0008 123#define BUF_EVENT 0x000C 124#define RX_MISS_COUNT 0x0010 125#define TX_COL_COUNT 0x0012 126#define LINE_STATUS 0x0014 127#define SELF_STATUS 0x0016 128#define BUS_STATUS 0x0018 129#define TDR 0x001C 130 131/* PP_RxCFG - Receive Configuration and Interrupt Mask bit definition - Read/write */ 132#define SKIP_1 0x0040 133#define RX_STREAM_ENBL 0x0080 134#define RX_OK_ENBL 0x0100 135#define RX_DMA_ONLY 0x0200 136#define AUTO_RX_DMA 0x0400 137#define BUFFER_CRC 0x0800 138#define RX_CRC_ERROR_ENBL 0x1000 139#define RX_RUNT_ENBL 0x2000 140#define RX_EXTRA_DATA_ENBL 0x4000 141 142/* PP_RxCTL - Receive Control bit definition - Read/write */ 143#define RX_IA_HASH_ACCEPT 0x0040 144#define RX_PROM_ACCEPT 0x0080 145#define RX_OK_ACCEPT 0x0100 146#define RX_MULTCAST_ACCEPT 0x0200 147#define RX_IA_ACCEPT 0x0400 148#define RX_BROADCAST_ACCEPT 0x0800 149#define RX_BAD_CRC_ACCEPT 0x1000 150#define RX_RUNT_ACCEPT 0x2000 151#define RX_EXTRA_DATA_ACCEPT 0x4000 152#define RX_ALL_ACCEPT (RX_PROM_ACCEPT|RX_BAD_CRC_ACCEPT|RX_RUNT_ACCEPT|RX_EXTRA_DATA_ACCEPT) 153/* Default receive mode - individually addressed, broadcast, and error free */ 154#define DEF_RX_ACCEPT (RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | RX_OK_ACCEPT) 155 156/* PP_TxCFG - Transmit Configuration Interrupt Mask bit definition - Read/write */ 157#define TX_LOST_CRS_ENBL 0x0040 158#define TX_SQE_ERROR_ENBL 0x0080 159#define TX_OK_ENBL 0x0100 160#define TX_LATE_COL_ENBL 0x0200 161#define TX_JBR_ENBL 0x0400 162#define TX_ANY_COL_ENBL 0x0800 163#define TX_16_COL_ENBL 0x8000 164 165/* PP_TxCMD - Transmit Command bit definition - Read-only */ 166#define TX_START_4_BYTES 0x0000 167#define TX_START_64_BYTES 0x0040 168#define TX_START_128_BYTES 0x0080 169#define TX_START_ALL_BYTES 0x00C0 170#define TX_FORCE 0x0100 171#define TX_ONE_COL 0x0200 172#define TX_TWO_PART_DEFF_DISABLE 0x0400 173#define TX_NO_CRC 0x1000 174#define TX_RUNT 0x2000 175 176/* PP_BufCFG - Buffer Configuration Interrupt Mask bit definition - Read/write */ 177#define GENERATE_SW_INTERRUPT 0x0040 178#define RX_DMA_ENBL 0x0080 179#define READY_FOR_TX_ENBL 0x0100 180#define TX_UNDERRUN_ENBL 0x0200 181#define RX_MISS_ENBL 0x0400 182#define RX_128_BYTE_ENBL 0x0800 183#define TX_COL_COUNT_OVRFLOW_ENBL 0x1000 184#define RX_MISS_COUNT_OVRFLOW_ENBL 0x2000 185#define RX_DEST_MATCH_ENBL 0x8000 186 187/* PP_LineCTL - Line Control bit definition - Read/write */ 188#define SERIAL_RX_ON 0x0040 189#define SERIAL_TX_ON 0x0080 190#define AUI_ONLY 0x0100 191#define AUTO_AUI_10BASET 0x0200 192#define MODIFIED_BACKOFF 0x0800 193#define NO_AUTO_POLARITY 0x1000 194#define TWO_PART_DEFDIS 0x2000 195#define LOW_RX_SQUELCH 0x4000 196 197/* PP_SelfCTL - Software Self Control bit definition - Read/write */ 198#define POWER_ON_RESET 0x0040 199#define SW_STOP 0x0100 200#define SLEEP_ON 0x0200 201#define AUTO_WAKEUP 0x0400 202#define HCB0_ENBL 0x1000 203#define HCB1_ENBL 0x2000 204#define HCB0 0x4000 205#define HCB1 0x8000 206 207/* PP_BusCTL - ISA Bus Control bit definition - Read/write */ 208#define RESET_RX_DMA 0x0040 209#define MEMORY_ON 0x0400 210#define DMA_BURST_MODE 0x0800 211#define IO_CHANNEL_READY_ON 0x1000 212#define RX_DMA_SIZE_64K 0x2000 213#define ENABLE_IRQ 0x8000 214 215/* PP_TestCTL - Test Control bit definition - Read/write */ 216#define LINK_OFF 0x0080 217#define ENDEC_LOOPBACK 0x0200 218#define AUI_LOOPBACK 0x0400 219#define BACKOFF_OFF 0x0800 220#define FDX_8900 0x4000 221#define FAST_TEST 0x8000 222 223/* PP_RxEvent - Receive Event Bit definition - Read-only */ 224#define RX_IA_HASHED 0x0040 225#define RX_DRIBBLE 0x0080 226#define RX_OK 0x0100 227#define RX_HASHED 0x0200 228#define RX_IA 0x0400 229#define RX_BROADCAST 0x0800 230#define RX_CRC_ERROR 0x1000 231#define RX_RUNT 0x2000 232#define RX_EXTRA_DATA 0x4000 233 234#define HASH_INDEX_MASK 0x0FC00 235 236/* PP_TxEvent - Transmit Event Bit definition - Read-only */ 237#define TX_LOST_CRS 0x0040 238#define TX_SQE_ERROR 0x0080 239#define TX_OK 0x0100 240#define TX_LATE_COL 0x0200 241#define TX_JBR 0x0400 242#define TX_16_COL 0x8000 243#define TX_SEND_OK_BITS (TX_OK|TX_LOST_CRS) 244#define TX_COL_COUNT_MASK 0x7800 245 246/* PP_BufEvent - Buffer Event Bit definition - Read-only */ 247#define SW_INTERRUPT 0x0040 248#define RX_DMA 0x0080 249#define READY_FOR_TX 0x0100 250#define TX_UNDERRUN 0x0200 251#define RX_MISS 0x0400 252#define RX_128_BYTE 0x0800 253#define TX_COL_OVRFLW 0x1000 254#define RX_MISS_OVRFLW 0x2000 255#define RX_DEST_MATCH 0x8000 256 257/* PP_LineST - Ethernet Line Status bit definition - Read-only */ 258#define LINK_OK 0x0080 259#define AUI_ON 0x0100 260#define TENBASET_ON 0x0200 261#define POLARITY_OK 0x1000 262#define CRS_OK 0x4000 263 264/* PP_SelfST - Chip Software Status bit definition */ 265#define ACTIVE_33V 0x0040 266#define INIT_DONE 0x0080 267#define SI_BUSY 0x0100 268#define EEPROM_PRESENT 0x0200 269#define EEPROM_OK 0x0400 270#define EL_PRESENT 0x0800 271#define EE_SIZE_64 0x1000 272 273/* PP_BusST - ISA Bus Status bit definition */ 274#define TX_BID_ERROR 0x0080 275#define READY_FOR_TX_NOW 0x0100 276 277/* PP_AutoNegCTL - Auto Negotiation Control bit definition */ 278#define RE_NEG_NOW 0x0040 279#define ALLOW_FDX 0x0080 280#define AUTO_NEG_ENABLE 0x0100 281#define NLP_ENABLE 0x0200 282#define FORCE_FDX 0x8000 283#define AUTO_NEG_BITS (FORCE_FDX|NLP_ENABLE|AUTO_NEG_ENABLE) 284#define AUTO_NEG_MASK (FORCE_FDX|NLP_ENABLE|AUTO_NEG_ENABLE|ALLOW_FDX|RE_NEG_NOW) 285 286/* PP_AutoNegST - Auto Negotiation Status bit definition */ 287#define AUTO_NEG_BUSY 0x0080 288#define FLP_LINK 0x0100 289#define FLP_LINK_GOOD 0x0800 290#define LINK_FAULT 0x1000 291#define HDX_ACTIVE 0x4000 292#define FDX_ACTIVE 0x8000 293 294/* The following block defines the ISQ event types */ 295#define ISQ_RECEIVER_EVENT 0x04 296#define ISQ_TRANSMITTER_EVENT 0x08 297#define ISQ_BUFFER_EVENT 0x0c 298#define ISQ_RX_MISS_EVENT 0x10 299#define ISQ_TX_COL_EVENT 0x12 300 301#define ISQ_EVENT_MASK 0x003F /* ISQ mask to find out type of event */ 302#define ISQ_HIST 16 /* small history buffer */ 303#define AUTOINCREMENT 0x8000 /* Bit mask to set bit-15 for autoincrement */ 304 305#define TXRXBUFSIZE 0x0600 306#define RXDMABUFSIZE 0x8000 307#define RXDMASIZE 0x4000 308#define TXRX_LENGTH_MASK 0x07FF 309 310/* rx options bits */ 311#define RCV_WITH_RXON 1 /* Set SerRx ON */ 312#define RCV_COUNTS 2 /* Use Framecnt1 */ 313#define RCV_PONG 4 /* Pong respondent */ 314#define RCV_DONG 8 /* Dong operation */ 315#define RCV_POLLING 0x10 /* Poll RxEvent */ 316#define RCV_ISQ 0x20 /* Use ISQ, int */ 317#define RCV_AUTO_DMA 0x100 /* Set AutoRxDMAE */ 318#define RCV_DMA 0x200 /* Set RxDMA only */ 319#define RCV_DMA_ALL 0x400 /* Copy all DMA'ed */ 320#define RCV_FIXED_DATA 0x800 /* Every frame same */ 321#define RCV_IO 0x1000 /* Use ISA IO only */ 322#define RCV_MEMORY 0x2000 /* Use ISA Memory */ 323 324#define RAM_SIZE 0x1000 /* The card has 4k bytes or RAM */ 325#define PKT_START PP_TxFrame /* Start of packet RAM */ 326 327#define RX_FRAME_PORT 0x0000 328#define TX_FRAME_PORT RX_FRAME_PORT 329#define TX_CMD_PORT 0x0004 330#define TX_NOW 0x0000 /* Tx packet after 5 bytes copied */ 331#define TX_AFTER_381 0x0040 /* Tx packet after 381 bytes copied */ 332#define TX_AFTER_ALL 0x00c0 /* Tx packet after all bytes copied */ 333#define TX_LEN_PORT 0x0006 334#define ISQ_PORT 0x0008 335#define ADD_PORT 0x000A 336#define DATA_PORT 0x000C 337 338#define EEPROM_WRITE_EN 0x00F0 339#define EEPROM_WRITE_DIS 0x0000 340#define EEPROM_WRITE_CMD 0x0100 341#define EEPROM_READ_CMD 0x0200 342 343/* Receive Header */ 344/* Description of header of each packet in receive area of memory */ 345#define RBUF_EVENT_LOW 0 /* Low byte of RxEvent - status of received frame */ 346#define RBUF_EVENT_HIGH 1 /* High byte of RxEvent - status of received frame */ 347#define RBUF_LEN_LOW 2 /* Length of received data - low byte */ 348#define RBUF_LEN_HI 3 /* Length of received data - high byte */ 349#define RBUF_HEAD_LEN 4 /* Length of this header */ 350 351#define CHIP_READ 0x1 /* Used to mark state of the repins code (chip or dma) */ 352#define DMA_READ 0x2 /* Used to mark state of the repins code (chip or dma) */ 353 354/* for bios scan */ 355/* */ 356#ifdef CSDEBUG 357/* use these values for debugging bios scan */ 358#define BIOS_START_SEG 0x00000 359#define BIOS_OFFSET_INC 0x0010 360#else 361#define BIOS_START_SEG 0x0c000 362#define BIOS_OFFSET_INC 0x0200 363#endif 364 365#define BIOS_LAST_OFFSET 0x0fc00 366 367/* Byte offsets into the EEPROM configuration buffer */ 368#define ISA_CNF_OFFSET 0x6 369#define TX_CTL_OFFSET (ISA_CNF_OFFSET + 8) /* 8900 eeprom */ 370#define AUTO_NEG_CNF_OFFSET (ISA_CNF_OFFSET + 8) /* 8920 eeprom */ 371 372 /* the assumption here is that the bits in the eeprom are generally */ 373 /* in the same position as those in the autonegctl register. */ 374 /* Of course the IMM bit is not in that register so it must be */ 375 /* masked out */ 376#define EE_FORCE_FDX 0x8000 377#define EE_NLP_ENABLE 0x0200 378#define EE_AUTO_NEG_ENABLE 0x0100 379#define EE_ALLOW_FDX 0x0080 380#define EE_AUTO_NEG_CNF_MASK (EE_FORCE_FDX|EE_NLP_ENABLE|EE_AUTO_NEG_ENABLE|EE_ALLOW_FDX) 381 382#define IMM_BIT 0x0040 /* ignore missing media */ 383 384#define ADAPTER_CNF_OFFSET (AUTO_NEG_CNF_OFFSET + 2) 385#define A_CNF_10B_T 0x0001 386#define A_CNF_AUI 0x0002 387#define A_CNF_10B_2 0x0004 388#define A_CNF_MEDIA_TYPE 0x0070 389#define A_CNF_MEDIA_AUTO 0x0070 390#define A_CNF_MEDIA_10B_T 0x0020 391#define A_CNF_MEDIA_AUI 0x0040 392#define A_CNF_MEDIA_10B_2 0x0010 393#define A_CNF_DC_DC_POLARITY 0x0080 394#define A_CNF_NO_AUTO_POLARITY 0x2000 395#define A_CNF_LOW_RX_SQUELCH 0x4000 396#define A_CNF_EXTND_10B_2 0x8000 397 398#define PACKET_PAGE_OFFSET 0x8 399 400/* Bit definitions for the ISA configuration word from the EEPROM */ 401#define INT_NO_MASK 0x000F 402#define DMA_NO_MASK 0x0070 403#define ISA_DMA_SIZE 0x0200 404#define ISA_AUTO_RxDMA 0x0400 405#define ISA_RxDMA 0x0800 406#define DMA_BURST 0x1000 407#define STREAM_TRANSFER 0x2000 408#define ANY_ISA_DMA (ISA_AUTO_RxDMA | ISA_RxDMA) 409 410/* DMA controller registers */ 411#define DMA_BASE 0x00 /* DMA controller base */ 412#define DMA_BASE_2 0x0C0 /* DMA controller base */ 413 414#define DMA_STAT 0x0D0 /* DMA controller status register */ 415#define DMA_MASK 0x0D4 /* DMA controller mask register */ 416#define DMA_MODE 0x0D6 /* DMA controller mode register */ 417#define DMA_RESETFF 0x0D8 /* DMA controller first/last flip flop */ 418 419/* DMA data */ 420#define DMA_DISABLE 0x04 /* Disable channel n */ 421#define DMA_ENABLE 0x00 /* Enable channel n */ 422/* Demand transfers, incr. address, auto init, writes, ch. n */ 423#define DMA_RX_MODE 0x14 424/* Demand transfers, incr. address, auto init, reads, ch. n */ 425#define DMA_TX_MODE 0x18 426 427#define DMA_SIZE (16*1024) /* Size of dma buffer - 16k */ 428 429#define CS8900 0x0000 430#define CS8920 0x4000 431#define CS8920M 0x6000 432#define REVISON_BITS 0x1F00 433#define EEVER_NUMBER 0x12 434#define CHKSUM_LEN 0x14 435#define CHKSUM_VAL 0x0000 436#define START_EEPROM_DATA 0x001c /* Offset into eeprom for start of data */ 437#define IRQ_MAP_EEPROM_DATA 0x0046 /* Offset into eeprom for the IRQ map */ 438#define IRQ_MAP_LEN 0x0004 /* No of bytes to read for the IRQ map */ 439#define PNP_IRQ_FRMT 0x0022 /* PNP small item IRQ format */ 440#define CS8900_IRQ_MAP 0x1c20 /* This IRQ map is fixed */ 441 442#define CS8920_NO_INTS 0x0F /* Max CS8920 interrupt select # */ 443 444#define PNP_ADD_PORT 0x0279 445#define PNP_WRITE_PORT 0x0A79 446 447#define GET_PNP_ISA_STRUCT 0x40 448#define PNP_ISA_STRUCT_LEN 0x06 449#define PNP_CSN_CNT_OFF 0x01 450#define PNP_RD_PORT_OFF 0x02 451#define PNP_FUNCTION_OK 0x00 452#define PNP_WAKE 0x03 453#define PNP_RSRC_DATA 0x04 454#define PNP_RSRC_READY 0x01 455#define PNP_STATUS 0x05 456#define PNP_ACTIVATE 0x30 457#define PNP_CNF_IO_H 0x60 458#define PNP_CNF_IO_L 0x61 459#define PNP_CNF_INT 0x70 460#define PNP_CNF_DMA 0x74 461#define PNP_CNF_MEM 0x48 462