/*- * Copyright (c) 1994 Matt Thomas (thomas@lkg.dec.com) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. The name of the author may not be used to endorse or promote products * derived from this software withough specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $Id: dc21040.h,v 1.2 1994/08/15 20:42:25 thomas Exp thomas $ * * $Log: dc21040.h,v $ * Revision 1.2 1994/08/15 20:42:25 thomas * misc additions * * Revision 1.1 1994/08/12 21:02:46 thomas * Initial revision * * Revision 1.8 1994/08/05 20:20:54 thomas * Enable change log * * Revision 1.7 1994/08/05 20:20:14 thomas * *** empty log message *** * */ #if !defined(_DC21040_H) #define _DC21040_H typedef signed int tulip_sint32_t; typedef unsigned int tulip_uint32_t; #if defined(BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN #define TULIP_BITFIELD2(a, b) b, a #define TULIP_BITFIELD3(a, b, c) c, b, a #define TULIP_BITFIELD4(a, b, c, d) d, c, b, a #else #define TULIP_BITFIELD2(a, b) a, b #define TULIP_BITFIELD3(a, b, c) a, b, c #define TULIP_BITFIELD4(a, b, c, d) a, b, c, d #endif typedef struct { tulip_uint32_t d_status; tulip_uint32_t TULIP_BITFIELD3(d_length1 : 11, d_length2 : 11, d_flag : 10); tulip_uint32_t d_addr1; tulip_uint32_t d_addr2; } tulip_desc_t; #define TULIP_DSTS_OWNER 0x80000000 /* Owner (1 = DC21040) */ #define TULIP_DSTS_ERRSUM 0x00008000 /* Error Summary */ /* * Transmit Status */ #define TULIP_DSTS_TxBABBLE 0x00004000 /* Transmitter Babbled */ #define TULIP_DSTS_TxCARRLOSS 0x00000800 /* Carrier Loss */ #define TULIP_DSTS_TxNOCARR 0x00000400 /* No Carrier */ #define TULIP_DSTS_TxLATECOLL 0x00000200 /* Late Collision */ #define TULIP_DSTS_TxEXCCOLL 0x00000100 /* Excessive Collisions */ #define TULIP_DSTS_TxNOHRTBT 0x00000080 /* No Heartbeat */ #define TULIP_DSTS_TxCOLLMASK 0x00000078 /* Collision Count (mask) */ #define TULIP_DSTS_V_TxCOLLCNT 0x00000003 /* Collision Count (bit) */ #define TULIP_DSTS_TxLINKFAIL 0x00000004 /* Link Failure */ #define TULIP_DSTS_TxUNDERFLOW 0x00000002 /* Underflow Error */ #define TULIP_DSTS_TxDEFERRED 0x00000001 /* Initially Deferred */ /* * Receive Status */ #define TULIP_DSTS_RxBADLENGTH 0x00004000 /* Length Error */ #define TULIP_DSTS_RxDATATYPE 0x00003000 /* Data Type */ #define TULIP_DSTS_RxRUNT 0x00000800 /* Runt Frame */ #define TULIP_DSTS_RxMULTICAST 0x00000400 /* Multicast Frame */ #define TULIP_DSTS_RxFIRSTDESC 0x00000200 /* First Descriptor */ #define TULIP_DSTS_RxLASTDESC 0x00000100 /* Last Descriptor */ #define TULIP_DSTS_RxTOOLONG 0x00000080 /* Frame Too Long */ #define TULIP_DSTS_RxCOLLSEEN 0x00000040 /* Collision Seen */ #define TULIP_DSTS_RxFRAMETYPE 0x00000020 /* Frame Type */ #define TULIP_DSTS_RxWATCHDOG 0x00000010 /* Receive Watchdog */ #define TULIP_DSTS_RxDRBBLBIT 0x00000004 /* Dribble Bit */ #define TULIP_DSTS_RxBADCRC 0x00000002 /* CRC Error */ #define TULIP_DSTS_RxOVERFLOW 0x00000001 /* Overflow */ #define TULIP_DFLAG_ENDRING 0x0008 /* End of Transmit Ring */ #define TULIP_DFLAG_CHAIN 0x0004 /* Chain using d_addr2 */ #define TULIP_DFLAG_TxWANTINTR 0x0200 /* Signal Interrupt on Completion */ #define TULIP_DFLAG_TxLASTSEG 0x0100 /* Last Segment */ #define TULIP_DFLAG_TxFIRSTSEG 0x0080 /* First Segment */ #define TULIP_DFLAG_TxINVRSFILT 0x0040 /* Inverse Filtering */ #define TULIP_DFLAG_TxSETUPPKT 0x0020 /* Setup Packet */ #define TULIP_DFLAG_TxHASCRC 0x0010 /* Don't Append the CRC */ #define TULIP_DFLAG_TxNOPADDING 0x0002 /* Don't AutoPad */ #define TULIP_DFLAG_TxHASHFILT 0x0001 /* Hash/Perfect Filtering */ /* * The DC21040 Registers (IO Space Addresses) */ #define TULIP_REG_BUSMODE 0x00 /* CSR0 -- Bus Mode */ #define TULIP_REG_TXPOLL 0x08 /* CSR1 -- Transmit Poll Demand */ #define TULIP_REG_RXPOLL 0x10 /* CSR2 -- Receive Poll Demand */ #define TULIP_REG_RXLIST 0x18 /* CSR3 -- Receive List Base Addr */ #define TULIP_REG_TXLIST 0x20 /* CSR4 -- Transmit List Base Addr */ #define TULIP_REG_STATUS 0x28 /* CSR5 -- Status */ #define TULIP_REG_CMD 0x30 /* CSR6 -- Command */ #define TULIP_REG_INTR 0x38 /* CSR7 -- Interrupt Control */ #define TULIP_REG_MISSES 0x40 /* CSR8 -- Missed Frame Counter */ #define TULIP_REG_ADDRROM 0x48 /* CSR9 -- ENET ROM Register */ #define TULIP_REG_RSRVD 0x50 /* CSR10 -- Reserved */ #define TULIP_REG_FULL_DUPLEX 0x58 /* CSR11 -- Full Duplex */ #define TULIP_REG_SIA_STATUS 0x60 /* CSR12 -- SIA Status */ #define TULIP_REG_SIA_CONN 0x68 /* CSR13 -- SIA Connectivity */ #define TULIP_REG_SIA_TXRX 0x70 /* CSR14 -- SIA Tx Rx */ #define TULIP_REG_SIA_GEN 0x78 /* CSR15 -- SIA General */ /* * CSR5 -- Status Register * CSR7 -- Interrupt Control */ #define TULIP_STS_ERRORMASK 0x03800000L /* ( R) Error Bits (Valid when SYSERROR is set) */ #define TULIP_STS_ERR_PARITY 0x00000000L /* 000 - Parity Error (Perform Reset) */ #define TULIP_STS_ERR_MASTER 0x00800000L /* 001 - Master Abort */ #define TULIP_STS_ERR_TARGET 0x01000000L /* 010 - Target Abort */ #define TULIP_STS_TXSTATEMASK 0x00700000L /* ( R) Transmission Process State */ #define TULIP_STS_TXS_RESET 0x00000000L /* 000 - Rset or transmit jabber expired */ #define TULIP_STS_TXS_FETCH 0x00100000L /* 001 - Fetching transmit descriptor */ #define TULIP_STS_TXS_WAITEND 0x00200000L /* 010 - Wait for end of transmission */ #define TULIP_STS_TXS_READING 0x00300000L /* 011 - Read buffer and enqueue data */ #define TULIP_STS_TXS_RSRVD 0x00400000L /* 100 - Reserved */ #define TULIP_STS_TXS_SETUP 0x00500000L /* 101 - Setup Packet */ #define TULIP_STS_TXS_SUSPEND 0x00600000L /* 110 - Transmit FIFO underflow or an unavailable transmit descriptor */ #define TULIP_STS_TXS_CLOSE 0x00700000L /* 111 - Close transmit descriptor */ #define TULIP_STS_RXSTATEMASK 0x000E0000L /* ( R) Receive Process State*/ #define TULIP_STS_RXS_STOPPED 0x00000000L /* 000 - Stopped */ #define TULIP_STS_RXS_FETCH 0x00020000L /* 001 - Running -- Fetch receive descriptor */ #define TULIP_STS_RXS_ENDCHECK 0x00040000L /* 010 - Running -- Check for end of receive packet before prefetch of next descriptor */ #define TULIP_STS_RXS_WAIT 0x00060000L /* 011 - Running -- Wait for receive packet */ #define TULIP_STS_RXS_SUSPEND 0x00080000L /* 100 - Suspended -- As a result of unavailable receive buffers */ #define TULIP_STS_RXS_CLOSE 0x000A0000L /* 101 - Running -- Close receive descriptor */ #define TULIP_STS_RXS_FLUSH 0x000C0000L /* 110 - Running -- Flush the current frame from the receive FIFO as a result of an unavailable receive buffer */ #define TULIP_STS_RXS_DEQUEUE 0x000E0000L /* 111 - Running -- Dequeue the receive frame from the receive FIFO into the receive buffer. */ #define TULIP_STS_NORMALINTR 0x00010000L /* (RW) Normal Interrupt */ #define TULIP_STS_ABNRMLINTR 0x00008000L /* (RW) Abnormal Interrupt */ #define TULIP_STS_SYSERROR 0x00002000L /* (RW) System Error */ #define TULIP_STS_LINKFAIL 0x00001000L /* (RW) Link Failure */ #define TULIP_STS_FULDPLXSHRT 0x00000800L /* (RW) Full Duplex Short Fram Rcvd */ #define TULIP_STS_AUI 0x00000400L /* (RW) AUI/TP Switch */ #define TULIP_STS_RXTIMEOUT 0x00000200L /* (RW) Receive Watchbog Timeout */ #define TULIP_STS_RXSTOPPED 0x00000100L /* (RW) Receive Process Stopped */ #define TULIP_STS_RXNOBUF 0x00000080L /* (RW) Receive Buffer Unavailable */ #define TULIP_STS_RXINTR 0x00000040L /* (RW) Receive Interrupt */ #define TULIP_STS_TXUNDERFLOW 0x00000020L /* (RW) Transmit Underflow */ #define TULIP_STS_TXBABBLE 0x00000008L /* (RW) Transmit Jabber Timeout */ #define TULIP_STS_TXNOBUF 0x00000004L /* (RW) Transmit Buffer Unavailable */ #define TULIP_STS_TXSTOPPED 0x00000002L /* (RW) Transmit Process Stopped */ #define TULIP_STS_TXINTR 0x00000001L /* (RW) Transmit Interrupt */ /* * CSR6 -- Command (Operation Mode) Register */ #define TULIP_CMD_CAPTREFFCT 0x00020000L /* (RW) Capture Effect (!802.3) */ #define TULIP_CMD_BACKPRESSURE 0x00010000L /* (RW) Back Pressure (!802.3) */ #define TULIP_CMD_THRESHOLDCTL 0x0000C000L /* (RW) Threshold Control */ #define TULIP_CMD_THRSHLD72 0x00000000L /* 00 - 72 Bytes */ #define TULIP_CMD_THRSHLD96 0x00004000L /* 01 - 96 Bytes */ #define TULIP_CMD_THRSHLD128 0x00008000L /* 10 - 128 bytes */ #define TULIP_CMD_THRSHLD160 0x0000C000L /* 11 - 160 Bytes */ #define TULIP_CMD_TXRUN 0x00002000L /* (RW) Start/Stop Transmitter */ #define TULIP_CMD_FORCECOLL 0x00001000L /* (RW) Force Collisions */ #define TULIP_CMD_OPERMODE 0x00000C00L /* (RW) Operating Mode */ #define TULIP_CMD_FULLDULPEX 0x00000200L /* (RW) Full Duplex Mode */ #define TULIP_CMD_FLAKYOSCDIS 0x00000100L /* (RW) Flakey Oscillator Disable */ #define TULIP_CMD_ALLMULTI 0x00000080L /* (RW) Pass All Multicasts */ #define TULIP_CMD_PROMISCUOUS 0x00000040L /* (RW) Promiscuous Mode */ #define TULIP_CMD_BACKOFFCTR 0x00000020L /* (RW) Start/Stop Backoff Counter (!802.3) */ #define TULIP_CMD_INVFILTER 0x00000010L /* (R ) Inverse Filtering */ #define TULIP_CMD_PASSBADPKT 0x00000008L /* (RW) Pass Bad Frames */ #define TULIP_CMD_HASHONLYFLTR 0x00000004L /* (R ) Hash Only Filtering */ #define TULIP_CMD_RXRUN 0x00000002L /* (RW) Start/Stop Receive Filtering */ #define TULIP_CMD_HASHPRFCTFLTR 0x00000001L /* (R ) Hash/Perfect Receive Filtering */ #define TULIP_SIASTS_LINKFAIL 0x00000004L #define TULIP_SIACONN_RESET 0x00000000L #define TULIP_SIACONN_AUI 0x0000000DL #define TULIP_SIACONN_10BASET 0x00000005L #define TULIP_BUSMODE_SWRESET 0x00000001L #endif /* !defined(_DC21040_H) */