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270 lines
13 KiB
C
270 lines
13 KiB
C
/*-
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* Copyright (c) 1994 Matt Thomas (thomas@lkg.dec.com)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: dc21040.h,v 1.1 1994/10/01 20:16:45 wollman Exp $
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*
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* $Log: dc21040.h,v $
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* Revision 1.1 1994/10/01 20:16:45 wollman
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* Add Matt Thomas's DC21040 PCI Ethernet driver. (This is turning out
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* to be quite a popular chip, so expect to see a number of products
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* based on it.)
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*
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* Revision 1.2 1994/08/15 20:42:25 thomas
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* misc additions
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*
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* Revision 1.1 1994/08/12 21:02:46 thomas
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* Initial revision
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*
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* Revision 1.8 1994/08/05 20:20:54 thomas
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* Enable change log
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*
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* Revision 1.7 1994/08/05 20:20:14 thomas
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* *** empty log message ***
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*
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*/
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#if !defined(_DC21040_H)
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#define _DC21040_H
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typedef signed int tulip_sint32_t;
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typedef unsigned int tulip_uint32_t;
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#if defined(BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN
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#define TULIP_BITFIELD2(a, b) b, a
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#define TULIP_BITFIELD3(a, b, c) c, b, a
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#define TULIP_BITFIELD4(a, b, c, d) d, c, b, a
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#else
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#define TULIP_BITFIELD2(a, b) a, b
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#define TULIP_BITFIELD3(a, b, c) a, b, c
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#define TULIP_BITFIELD4(a, b, c, d) a, b, c, d
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#endif
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typedef struct {
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tulip_uint32_t d_status;
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tulip_uint32_t TULIP_BITFIELD3(d_length1 : 11,
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d_length2 : 11,
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d_flag : 10);
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tulip_uint32_t d_addr1;
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tulip_uint32_t d_addr2;
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} tulip_desc_t;
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#define TULIP_DSTS_OWNER 0x80000000 /* Owner (1 = DC21040) */
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#define TULIP_DSTS_ERRSUM 0x00008000 /* Error Summary */
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/*
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* Transmit Status
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*/
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#define TULIP_DSTS_TxBABBLE 0x00004000 /* Transmitter Babbled */
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#define TULIP_DSTS_TxCARRLOSS 0x00000800 /* Carrier Loss */
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#define TULIP_DSTS_TxNOCARR 0x00000400 /* No Carrier */
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#define TULIP_DSTS_TxLATECOLL 0x00000200 /* Late Collision */
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#define TULIP_DSTS_TxEXCCOLL 0x00000100 /* Excessive Collisions */
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#define TULIP_DSTS_TxNOHRTBT 0x00000080 /* No Heartbeat */
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#define TULIP_DSTS_TxCOLLMASK 0x00000078 /* Collision Count (mask) */
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#define TULIP_DSTS_V_TxCOLLCNT 0x00000003 /* Collision Count (bit) */
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#define TULIP_DSTS_TxLINKFAIL 0x00000004 /* Link Failure */
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#define TULIP_DSTS_TxUNDERFLOW 0x00000002 /* Underflow Error */
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#define TULIP_DSTS_TxDEFERRED 0x00000001 /* Initially Deferred */
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/*
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* Receive Status
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*/
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#define TULIP_DSTS_RxBADLENGTH 0x00004000 /* Length Error */
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#define TULIP_DSTS_RxDATATYPE 0x00003000 /* Data Type */
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#define TULIP_DSTS_RxRUNT 0x00000800 /* Runt Frame */
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#define TULIP_DSTS_RxMULTICAST 0x00000400 /* Multicast Frame */
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#define TULIP_DSTS_RxFIRSTDESC 0x00000200 /* First Descriptor */
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#define TULIP_DSTS_RxLASTDESC 0x00000100 /* Last Descriptor */
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#define TULIP_DSTS_RxTOOLONG 0x00000080 /* Frame Too Long */
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#define TULIP_DSTS_RxCOLLSEEN 0x00000040 /* Collision Seen */
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#define TULIP_DSTS_RxFRAMETYPE 0x00000020 /* Frame Type */
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#define TULIP_DSTS_RxWATCHDOG 0x00000010 /* Receive Watchdog */
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#define TULIP_DSTS_RxDRBBLBIT 0x00000004 /* Dribble Bit */
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#define TULIP_DSTS_RxBADCRC 0x00000002 /* CRC Error */
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#define TULIP_DSTS_RxOVERFLOW 0x00000001 /* Overflow */
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#define TULIP_DFLAG_ENDRING 0x0008 /* End of Transmit Ring */
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#define TULIP_DFLAG_CHAIN 0x0004 /* Chain using d_addr2 */
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#define TULIP_DFLAG_TxWANTINTR 0x0200 /* Signal Interrupt on Completion */
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#define TULIP_DFLAG_TxLASTSEG 0x0100 /* Last Segment */
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#define TULIP_DFLAG_TxFIRSTSEG 0x0080 /* First Segment */
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#define TULIP_DFLAG_TxINVRSFILT 0x0040 /* Inverse Filtering */
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#define TULIP_DFLAG_TxSETUPPKT 0x0020 /* Setup Packet */
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#define TULIP_DFLAG_TxHASCRC 0x0010 /* Don't Append the CRC */
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#define TULIP_DFLAG_TxNOPADDING 0x0002 /* Don't AutoPad */
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#define TULIP_DFLAG_TxHASHFILT 0x0001 /* Hash/Perfect Filtering */
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/*
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* The DC21040 Registers (IO Space Addresses)
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*/
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#define TULIP_REG_BUSMODE 0x00 /* CSR0 -- Bus Mode */
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#define TULIP_REG_TXPOLL 0x08 /* CSR1 -- Transmit Poll Demand */
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#define TULIP_REG_RXPOLL 0x10 /* CSR2 -- Receive Poll Demand */
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#define TULIP_REG_RXLIST 0x18 /* CSR3 -- Receive List Base Addr */
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#define TULIP_REG_TXLIST 0x20 /* CSR4 -- Transmit List Base Addr */
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#define TULIP_REG_STATUS 0x28 /* CSR5 -- Status */
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#define TULIP_REG_CMD 0x30 /* CSR6 -- Command */
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#define TULIP_REG_INTR 0x38 /* CSR7 -- Interrupt Control */
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#define TULIP_REG_MISSES 0x40 /* CSR8 -- Missed Frame Counter */
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#define TULIP_REG_ADDRROM 0x48 /* CSR9 -- ENET ROM Register */
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#define TULIP_REG_RSRVD 0x50 /* CSR10 -- Reserved */
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#define TULIP_REG_FULL_DUPLEX 0x58 /* CSR11 -- Full Duplex */
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#define TULIP_REG_SIA_STATUS 0x60 /* CSR12 -- SIA Status */
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#define TULIP_REG_SIA_CONN 0x68 /* CSR13 -- SIA Connectivity */
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#define TULIP_REG_SIA_TXRX 0x70 /* CSR14 -- SIA Tx Rx */
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#define TULIP_REG_SIA_GEN 0x78 /* CSR15 -- SIA General */
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/*
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* CSR5 -- Status Register
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* CSR7 -- Interrupt Control
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*/
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#define TULIP_STS_ERRORMASK 0x03800000L /* ( R) Error Bits (Valid when SYSERROR is set) */
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#define TULIP_STS_ERR_PARITY 0x00000000L /* 000 - Parity Error (Perform Reset) */
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#define TULIP_STS_ERR_MASTER 0x00800000L /* 001 - Master Abort */
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#define TULIP_STS_ERR_TARGET 0x01000000L /* 010 - Target Abort */
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#define TULIP_STS_TXSTATEMASK 0x00700000L /* ( R) Transmission Process State */
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#define TULIP_STS_TXS_RESET 0x00000000L /* 000 - Rset or transmit jabber expired */
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#define TULIP_STS_TXS_FETCH 0x00100000L /* 001 - Fetching transmit descriptor */
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#define TULIP_STS_TXS_WAITEND 0x00200000L /* 010 - Wait for end of transmission */
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#define TULIP_STS_TXS_READING 0x00300000L /* 011 - Read buffer and enqueue data */
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#define TULIP_STS_TXS_RSRVD 0x00400000L /* 100 - Reserved */
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#define TULIP_STS_TXS_SETUP 0x00500000L /* 101 - Setup Packet */
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#define TULIP_STS_TXS_SUSPEND 0x00600000L /* 110 - Transmit FIFO underflow or an
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unavailable transmit descriptor */
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#define TULIP_STS_TXS_CLOSE 0x00700000L /* 111 - Close transmit descriptor */
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#define TULIP_STS_RXSTATEMASK 0x000E0000L /* ( R) Receive Process State*/
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#define TULIP_STS_RXS_STOPPED 0x00000000L /* 000 - Stopped */
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#define TULIP_STS_RXS_FETCH 0x00020000L /* 001 - Running -- Fetch receive descriptor */
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#define TULIP_STS_RXS_ENDCHECK 0x00040000L /* 010 - Running -- Check for end of receive
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packet before prefetch of next descriptor */
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#define TULIP_STS_RXS_WAIT 0x00060000L /* 011 - Running -- Wait for receive packet */
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#define TULIP_STS_RXS_SUSPEND 0x00080000L /* 100 - Suspended -- As a result of
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unavailable receive buffers */
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#define TULIP_STS_RXS_CLOSE 0x000A0000L /* 101 - Running -- Close receive descriptor */
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#define TULIP_STS_RXS_FLUSH 0x000C0000L /* 110 - Running -- Flush the current frame
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from the receive FIFO as a result of
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an unavailable receive buffer */
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#define TULIP_STS_RXS_DEQUEUE 0x000E0000L /* 111 - Running -- Dequeue the receive frame
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from the receive FIFO into the receive
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buffer. */
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#define TULIP_STS_NORMALINTR 0x00010000L /* (RW) Normal Interrupt */
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#define TULIP_STS_ABNRMLINTR 0x00008000L /* (RW) Abnormal Interrupt */
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#define TULIP_STS_SYSERROR 0x00002000L /* (RW) System Error */
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#define TULIP_STS_LINKFAIL 0x00001000L /* (RW) Link Failure (DC21040) */
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#define TULIP_STS_FULDPLXSHRT 0x00000800L /* (RW) Full Duplex Short Fram Rcvd (DC21040) */
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#define TULIP_STS_GPTIMEOUT 0x00000800L /* (RW) General Purpose Timeout (DC21140) */
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#define TULIP_STS_AUI 0x00000400L /* (RW) AUI/TP Switch (DC21040) */
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#define TULIP_STS_RXTIMEOUT 0x00000200L /* (RW) Receive Watchbog Timeout */
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#define TULIP_STS_RXSTOPPED 0x00000100L /* (RW) Receive Process Stopped */
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#define TULIP_STS_RXNOBUF 0x00000080L /* (RW) Receive Buffer Unavailable */
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#define TULIP_STS_RXINTR 0x00000040L /* (RW) Receive Interrupt */
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#define TULIP_STS_TXUNDERFLOW 0x00000020L /* (RW) Transmit Underflow */
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#define TULIP_STS_TXBABBLE 0x00000008L /* (RW) Transmit Jabber Timeout */
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#define TULIP_STS_TXNOBUF 0x00000004L /* (RW) Transmit Buffer Unavailable */
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#define TULIP_STS_TXSTOPPED 0x00000002L /* (RW) Transmit Process Stopped */
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#define TULIP_STS_TXINTR 0x00000001L /* (RW) Transmit Interrupt */
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/*
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* CSR6 -- Command (Operation Mode) Register
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*/
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#define TULIP_CMD_SCRAMBLER 0x00400000L /* (RW) Scrambler Mode (DC21140) */
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#define TULIP_CMD_PCSFUNCTION 0x00200000L /* (RW) PCS Function (DC21140) */
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#define TULIP_CMD_TXTHRSHLDCTL 0x00100000L /* (RW) Transmit Threshold Mode (DC21140) */
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#define TULIP_CMD_STOREFWD 0x00080000L /* (RW) Store and Foward (DC21140) */
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#define TULIP_CMD_PORTSELECT 0x00040000L /* (RW) Post Select (100Mb) (DC21140) */
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#define TULIP_CMD_CAPTREFFCT 0x00020000L /* (RW) Capture Effect (!802.3) */
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#define TULIP_CMD_BACKPRESSURE 0x00010000L /* (RW) Back Pressure (!802.3) (DC21040) */
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#define TULIP_CMD_THRESHOLDCTL 0x0000C000L /* (RW) Threshold Control */
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#define TULIP_CMD_THRSHLD72 0x00000000L /* 00 - 72 Bytes */
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#define TULIP_CMD_THRSHLD96 0x00004000L /* 01 - 96 Bytes */
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#define TULIP_CMD_THRSHLD128 0x00008000L /* 10 - 128 bytes */
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#define TULIP_CMD_THRSHLD160 0x0000C000L /* 11 - 160 Bytes */
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#define TULIP_CMD_TXRUN 0x00002000L /* (RW) Start/Stop Transmitter */
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#define TULIP_CMD_FORCECOLL 0x00001000L /* (RW) Force Collisions */
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#define TULIP_CMD_OPERMODE 0x00000C00L /* (RW) Operating Mode */
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#define TULIP_CMD_FULLDULPEX 0x00000200L /* (RW) Full Duplex Mode */
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#define TULIP_CMD_FLAKYOSCDIS 0x00000100L /* (RW) Flakey Oscillator Disable */
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#define TULIP_CMD_ALLMULTI 0x00000080L /* (RW) Pass All Multicasts */
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#define TULIP_CMD_PROMISCUOUS 0x00000040L /* (RW) Promiscuous Mode */
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#define TULIP_CMD_BACKOFFCTR 0x00000020L /* (RW) Start/Stop Backoff Counter (!802.3) */
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#define TULIP_CMD_INVFILTER 0x00000010L /* (R ) Inverse Filtering */
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#define TULIP_CMD_PASSBADPKT 0x00000008L /* (RW) Pass Bad Frames */
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#define TULIP_CMD_HASHONLYFLTR 0x00000004L /* (R ) Hash Only Filtering */
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#define TULIP_CMD_RXRUN 0x00000002L /* (RW) Start/Stop Receive Filtering */
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#define TULIP_CMD_HASHPRFCTFLTR 0x00000001L /* (R ) Hash/Perfect Receive Filtering */
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#define TULIP_SIASTS_LINKFAIL 0x00000004L
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#define TULIP_SIACONN_RESET 0x00000000L
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#define TULIP_SIACONN_AUI 0x0000000DL
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#define TULIP_SIACONN_10BASET 0x00000005L
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#define TULIP_BUSMODE_SWRESET 0x00000001L
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#define TULIP_BUSMODE_DESCSKIPLEN_MASK 0x0000007CL
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#define TULIP_BUSMODE_BIGENDIAN 0x00000080L
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#define TULIP_BUSMODE_BURSTLEN_MASK 0x00003F00L
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#define TULIP_BUSMODE_BURSTLEN_DEFAULT 0x00000000L
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#define TULIP_BUSMODE_BURSTLEN_1LW 0x00000100L
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#define TULIP_BUSMODE_BURSTLEN_2LW 0x00000200L
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#define TULIP_BUSMODE_BURSTLEN_4LW 0x00000400L
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#define TULIP_BUSMODE_BURSTLEN_8LW 0x00000800L
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#define TULIP_BUSMODE_BURSTLEN_16LW 0x00001000L
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#define TULIP_BUSMODE_BURSTLEN_32LW 0x00002000L
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#define TULIP_BUSMODE_CACHE_NOALIGN 0x00000000L
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#define TULIP_BUSMODE_CACHE_ALIGN8 0x00004000L
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#define TULIP_BUSMODE_CACHE_ALIGN16 0x00008000L
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#define TULIP_BUSMODE_CACHE_ALIGN32 0x0000C000L
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#define TULIP_BUSMODE_TXPOLL_NEVER 0x00000000L
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#define TULIP_BUSMODE_TXPOLL_200us 0x00020000L
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#define TULIP_BUSMODE_TXPOLL_800us 0x00040000L
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#define TULIP_BUSMODE_TXPOLL_1600us 0x00060000L
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#define TULIP_GP_FASTMODE 0x00000040 /* 100 Mb/sec Signal Detect gep<6> */
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#define TULIP_GP_PINS 0x0000013F /* General Purpose Pin directions */
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#define TULIP_GP_INIT 0x0000000B /* No loopback --- point-to-point */
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/*
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* SROM definitions for the DC21140 and DC21041.
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*/
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#define SROMSEL 0x0800
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#define SROMRD 0x4000
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#define SROMWR 0x2000
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#define SROMDIN 0x0008
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#define SROMDOUT 0x0004
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#define SROMDOUTON 0x0004
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#define SROMDOUTOFF 0x0004
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#define SROMCLKON 0x0002
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#define SROMCLKOFF 0x0002
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#define SROMCSON 0x0001
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#define SROMCSOFF 0x0001
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#define SROMCS 0x0001
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#define SROMCMD_MODE 4
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#define SROMCMD_WR 5
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#define SROMCMD_RD 6
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#define SROM_BITWIDTH 6
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#endif /* !defined(_DC21040_H) */
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