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dc21040reg.h revision 1.4
      1 /*	$NetBSD: dc21040reg.h,v 1.4 1995/07/24 05:26:53 cgd Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1994, 1995 Matt Thomas (thomas (at) lkg.dec.com)
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. The name of the author may not be used to endorse or promote products
     13  *    derived from this software withough specific prior written permission
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #if !defined(_DC21040_H)
     28 #define _DC21040_H
     29 
     30 typedef	int32_t		tulip_sint32_t;
     31 typedef	u_int32_t	tulip_uint32_t;
     32 
     33 #if defined(BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN
     34 #define	TULIP_BITFIELD2(a, b)		      b, a
     35 #define	TULIP_BITFIELD3(a, b, c)	   c, b, a
     36 #define	TULIP_BITFIELD4(a, b, c, d)	d, c, b, a
     37 #else
     38 #define	TULIP_BITFIELD2(a, b)		a, b
     39 #define	TULIP_BITFIELD3(a, b, c)	a, b, c
     40 #define	TULIP_BITFIELD4(a, b, c, d)	a, b, c, d
     41 #endif
     42 
     43 typedef struct {
     44     tulip_uint32_t d_status;
     45     tulip_uint32_t TULIP_BITFIELD3(d_length1 : 11,
     46 				   d_length2 : 11,
     47 				   d_flag : 10);
     48     tulip_uint32_t d_addr1;
     49     tulip_uint32_t d_addr2;
     50 } tulip_desc_t;
     51 
     52 #define	TULIP_DSTS_OWNER	0x80000000	/* Owner (1 = DC21040) */
     53 #define	TULIP_DSTS_ERRSUM	0x00008000	/* Error Summary */
     54 /*
     55  * Transmit Status
     56  */
     57 #define	TULIP_DSTS_TxBABBLE	0x00004000	/* Transmitter Babbled */
     58 #define	TULIP_DSTS_TxCARRLOSS	0x00000800	/* Carrier Loss */
     59 #define	TULIP_DSTS_TxNOCARR	0x00000400	/* No Carrier */
     60 #define	TULIP_DSTS_TxLATECOLL	0x00000200	/* Late Collision */
     61 #define	TULIP_DSTS_TxEXCCOLL	0x00000100	/* Excessive Collisions */
     62 #define	TULIP_DSTS_TxNOHRTBT	0x00000080	/* No Heartbeat */
     63 #define	TULIP_DSTS_TxCOLLMASK	0x00000078	/* Collision Count (mask) */
     64 #define	TULIP_DSTS_V_TxCOLLCNT	0x00000003	/* Collision Count (bit) */
     65 #define	TULIP_DSTS_TxLINKFAIL	0x00000004	/* Link Failure */
     66 #define	TULIP_DSTS_TxUNDERFLOW	0x00000002	/* Underflow Error */
     67 #define	TULIP_DSTS_TxDEFERRED	0x00000001	/* Initially Deferred */
     68 /*
     69  * Receive Status
     70  */
     71 #define	TULIP_DSTS_RxBADLENGTH	0x00004000	/* Length Error */
     72 #define	TULIP_DSTS_RxDATATYPE	0x00003000	/* Data Type */
     73 #define	TULIP_DSTS_RxRUNT	0x00000800	/* Runt Frame */
     74 #define	TULIP_DSTS_RxMULTICAST	0x00000400	/* Multicast Frame */
     75 #define	TULIP_DSTS_RxFIRSTDESC	0x00000200	/* First Descriptor */
     76 #define	TULIP_DSTS_RxLASTDESC	0x00000100	/* Last Descriptor */
     77 #define	TULIP_DSTS_RxTOOLONG	0x00000080	/* Frame Too Long */
     78 #define	TULIP_DSTS_RxCOLLSEEN	0x00000040	/* Collision Seen */
     79 #define	TULIP_DSTS_RxFRAMETYPE	0x00000020	/* Frame Type */
     80 #define	TULIP_DSTS_RxWATCHDOG	0x00000010	/* Receive Watchdog */
     81 #define	TULIP_DSTS_RxDRBBLBIT	0x00000004	/* Dribble Bit */
     82 #define	TULIP_DSTS_RxBADCRC	0x00000002	/* CRC Error */
     83 #define	TULIP_DSTS_RxOVERFLOW	0x00000001	/* Overflow */
     84 
     85 
     86 #define	TULIP_DFLAG_ENDRING	0x0008		/* End of Transmit Ring */
     87 #define	TULIP_DFLAG_CHAIN	0x0004		/* Chain using d_addr2 */
     88 
     89 #define	TULIP_DFLAG_TxWANTINTR	0x0200		/* Signal Interrupt on Completion */
     90 #define	TULIP_DFLAG_TxLASTSEG	0x0100		/* Last Segment */
     91 #define	TULIP_DFLAG_TxFIRSTSEG	0x0080		/* First Segment */
     92 #define	TULIP_DFLAG_TxINVRSFILT	0x0040		/* Inverse Filtering */
     93 #define	TULIP_DFLAG_TxSETUPPKT	0x0020		/* Setup Packet */
     94 #define	TULIP_DFLAG_TxHASCRC	0x0010		/* Don't Append the CRC */
     95 #define	TULIP_DFLAG_TxNOPADDING	0x0002		/* Don't AutoPad */
     96 #define	TULIP_DFLAG_TxHASHFILT	0x0001		/* Hash/Perfect Filtering */
     97 
     98 /*
     99  * The DC21040 Registers (IO Space Addresses)
    100  */
    101 #define	TULIP_REG_BUSMODE	0x00	/* CSR0  -- Bus Mode */
    102 #define	TULIP_REG_TXPOLL	0x08	/* CSR1  -- Transmit Poll Demand */
    103 #define	TULIP_REG_RXPOLL	0x10	/* CSR2  -- Receive Poll Demand */
    104 #define	TULIP_REG_RXLIST	0x18	/* CSR3  -- Receive List Base Addr */
    105 #define	TULIP_REG_TXLIST	0x20	/* CSR4  -- Transmit List Base Addr */
    106 #define	TULIP_REG_STATUS	0x28	/* CSR5  -- Status */
    107 #define	TULIP_REG_CMD		0x30	/* CSR6  -- Command */
    108 #define	TULIP_REG_INTR		0x38	/* CSR7  -- Interrupt Control */
    109 #define	TULIP_REG_MISSES	0x40	/* CSR8  -- Missed Frame Counter */
    110 #define	TULIP_REG_ADDRROM	0x48	/* CSR9  -- ENET ROM Register */
    111 #define	TULIP_REG_RSRVD		0x50	/* CSR10 -- Reserved */
    112 #define	TULIP_REG_FULL_DUPLEX	0x58	/* CSR11 -- Full Duplex */
    113 #define	TULIP_REG_SIA_STATUS	0x60	/* CSR12 -- SIA Status */
    114 #define	TULIP_REG_SIA_CONN	0x68	/* CSR13 -- SIA Connectivity */
    115 #define	TULIP_REG_SIA_TXRX	0x70	/* CSR14 -- SIA Tx Rx */
    116 #define	TULIP_REG_SIA_GEN	0x78	/* CSR15 -- SIA General */
    117 
    118 /*
    119  * CSR5 -- Status Register
    120  * CSR7 -- Interrupt Control
    121  */
    122 #define	TULIP_STS_ERRORMASK	0x03800000L		/* ( R)  Error Bits (Valid when SYSERROR is set) */
    123 #define	TULIP_STS_ERR_PARITY	0x00000000L		/*        000 - Parity Error (Perform Reset) */
    124 #define	TULIP_STS_ERR_MASTER	0x00800000L		/*        001 - Master Abort */
    125 #define	TULIP_STS_ERR_TARGET	0x01000000L		/*        010 - Target Abort */
    126 #define	TULIP_STS_TXSTATEMASK	0x00700000L		/* ( R)  Transmission Process State */
    127 #define	TULIP_STS_TXS_RESET	0x00000000L		/*        000 - Rset or transmit jabber expired */
    128 #define	TULIP_STS_TXS_FETCH	0x00100000L		/*        001 - Fetching transmit descriptor */
    129 #define	TULIP_STS_TXS_WAITEND	0x00200000L		/*        010 - Wait for end of transmission */
    130 #define	TULIP_STS_TXS_READING	0x00300000L		/*        011 - Read buffer and enqueue data */
    131 #define	TULIP_STS_TXS_RSRVD	0x00400000L		/*        100 - Reserved */
    132 #define	TULIP_STS_TXS_SETUP	0x00500000L		/*        101 - Setup Packet */
    133 #define	TULIP_STS_TXS_SUSPEND	0x00600000L		/*        110 - Transmit FIFO underflow or an
    134 								  unavailable transmit descriptor */
    135 #define	TULIP_STS_TXS_CLOSE	0x00700000L		/*        111 - Close transmit descriptor */
    136 #define	TULIP_STS_RXSTATEMASK	0x000E0000L		/* ( R)  Receive Process State*/
    137 #define	TULIP_STS_RXS_STOPPED	0x00000000L		/*        000 - Stopped */
    138 #define	TULIP_STS_RXS_FETCH	0x00020000L		/*        001 - Running -- Fetch receive descriptor */
    139 #define	TULIP_STS_RXS_ENDCHECK	0x00040000L		/*        010 - Running -- Check for end of receive
    140 								  packet before prefetch of next descriptor */
    141 #define	TULIP_STS_RXS_WAIT	0x00060000L		/*        011 - Running -- Wait for receive packet */
    142 #define	TULIP_STS_RXS_SUSPEND	0x00080000L		/*        100 - Suspended -- As a result of
    143 								  unavailable receive buffers */
    144 #define	TULIP_STS_RXS_CLOSE	0x000A0000L		/*        101 - Running -- Close receive descriptor */
    145 #define	TULIP_STS_RXS_FLUSH	0x000C0000L		/*        110 - Running -- Flush the current frame
    146 								  from the receive FIFO as a result of
    147 								  an unavailable receive buffer */
    148 #define	TULIP_STS_RXS_DEQUEUE	0x000E0000L		/*        111 - Running -- Dequeue the receive frame
    149 								  from the receive FIFO into the receive
    150 								  buffer. */
    151 #define	TULIP_STS_NORMALINTR	0x00010000L		/* (RW)  Normal Interrupt */
    152 #define	TULIP_STS_ABNRMLINTR	0x00008000L		/* (RW)  Abnormal Interrupt */
    153 #define	TULIP_STS_SYSERROR	0x00002000L		/* (RW)  System Error */
    154 #define	TULIP_STS_LINKFAIL	0x00001000L		/* (RW)  Link Failure (DC21040) */
    155 #define	TULIP_STS_FULDPLXSHRT	0x00000800L		/* (RW)  Full Duplex Short Fram Rcvd (DC21040) */
    156 #define	TULIP_STS_GPTIMEOUT	0x00000800L		/* (RW)  General Purpose Timeout (DC21140) */
    157 #define	TULIP_STS_AUI		0x00000400L		/* (RW)  AUI/TP Switch (DC21040) */
    158 #define	TULIP_STS_RXTIMEOUT	0x00000200L		/* (RW)  Receive Watchbog Timeout */
    159 #define	TULIP_STS_RXSTOPPED	0x00000100L		/* (RW)  Receive Process Stopped */
    160 #define	TULIP_STS_RXNOBUF	0x00000080L		/* (RW)  Receive Buffer Unavailable */
    161 #define	TULIP_STS_RXINTR	0x00000040L		/* (RW)  Receive Interrupt */
    162 #define	TULIP_STS_TXUNDERFLOW	0x00000020L		/* (RW)  Transmit Underflow */
    163 #define	TULIP_STS_LINKPASS	0x00000010L		/* (RW)  LinkPass (DC21041) */
    164 #define	TULIP_STS_TXBABBLE	0x00000008L		/* (RW)  Transmit Jabber Timeout */
    165 #define	TULIP_STS_TXNOBUF	0x00000004L		/* (RW)  Transmit Buffer Unavailable */
    166 #define	TULIP_STS_TXSTOPPED	0x00000002L		/* (RW)  Transmit Process Stopped */
    167 #define	TULIP_STS_TXINTR	0x00000001L		/* (RW)  Transmit Interrupt */
    168 
    169 /*
    170  * CSR6 -- Command (Operation Mode) Register
    171  */
    172 #define	TULIP_CMD_MUSTBEONE	0x02000000L		/* (RW)  Must Be One (DC21140) */
    173 #define	TULIP_CMD_SCRAMBLER	0x01000000L		/* (RW)  Scrambler Mode (DC21140) */
    174 #define	TULIP_CMD_PCSFUNCTION	0x00800000L		/* (RW)  PCS Function (DC21140) */
    175 #define	TULIP_CMD_TXTHRSHLDCTL	0x00400000L		/* (RW)  Transmit Threshold Mode (DC21140) */
    176 #define	TULIP_CMD_STOREFWD	0x00200000L		/* (RW)  Store and Foward (DC21140) */
    177 #define	TULIP_CMD_NOHEARTBEAT	0x00080000L		/* (RW)  No Heartbeat (DC21140) */
    178 #define	TULIP_CMD_PORTSELECT	0x00040000L		/* (RW)  Post Select (100Mb) (DC21140) */
    179 #define	TULIP_CMD_ENHCAPTEFFCT	0x00040000L		/* (RW)  Enhanced Capture Effecty (DC21041) */
    180 #define	TULIP_CMD_CAPTREFFCT	0x00020000L		/* (RW)  Capture Effect (!802.3) */
    181 #define	TULIP_CMD_BACKPRESSURE	0x00010000L		/* (RW)  Back Pressure (!802.3) (DC21040) */
    182 #define	TULIP_CMD_THRESHOLDCTL	0x0000C000L		/* (RW)  Threshold Control */
    183 #define	TULIP_CMD_THRSHLD72	0x00000000L		/*       00 - 72 Bytes */
    184 #define	TULIP_CMD_THRSHLD96	0x00004000L		/*       01 - 96 Bytes */
    185 #define	TULIP_CMD_THRSHLD128	0x00008000L		/*       10 - 128 bytes */
    186 #define	TULIP_CMD_THRSHLD160	0x0000C000L		/*       11 - 160 Bytes */
    187 #define	TULIP_CMD_TXRUN 	0x00002000L		/* (RW)  Start/Stop Transmitter */
    188 #define	TULIP_CMD_FORCECOLL	0x00001000L		/* (RW)  Force Collisions */
    189 #define	TULIP_CMD_OPERMODE	0x00000C00L		/* (RW)  Operating Mode */
    190 #define	TULIP_CMD_FULLDUPLEX	0x00000200L		/* (RW)  Full Duplex Mode */
    191 #define	TULIP_CMD_FLAKYOSCDIS	0x00000100L		/* (RW)  Flakey Oscillator Disable */
    192 #define	TULIP_CMD_ALLMULTI	0x00000080L		/* (RW)  Pass All Multicasts */
    193 #define	TULIP_CMD_PROMISCUOUS	0x00000040L		/* (RW)  Promiscuous Mode */
    194 #define	TULIP_CMD_BACKOFFCTR	0x00000020L		/* (RW)  Start/Stop Backoff Counter (!802.3) */
    195 #define	TULIP_CMD_INVFILTER	0x00000010L		/* (R )  Inverse Filtering */
    196 #define	TULIP_CMD_PASSBADPKT	0x00000008L		/* (RW)  Pass Bad Frames  */
    197 #define	TULIP_CMD_HASHONLYFLTR	0x00000004L		/* (R )  Hash Only Filtering */
    198 #define	TULIP_CMD_RXRUN		0x00000002L		/* (RW)  Start/Stop Receive Filtering */
    199 #define	TULIP_CMD_HASHPRFCTFLTR	0x00000001L		/* (R )  Hash/Perfect Receive Filtering */
    200 
    201 
    202 #define TULIP_SIASTS_OTHERRXACTIVITY	0x00000200L
    203 #define TULIP_SIASTS_RXACTIVITY		0x00000100L
    204 #define	TULIP_SIASTS_LINKFAIL		0x00000004L
    205 #define	TULIP_SIACONN_RESET		0x00000000L
    206 
    207 #define	TULIP_SIACONN_AUI		0x0000000DL
    208 #define	TULIP_SIACONN_10BASET		0x00000005L
    209 
    210 #define	TULIP_DC21041_SIACONN_10BASET	0x0000EF01L
    211 #define	TULIP_DC21041_SIATXRX_10BASET	0x0000FF3FL
    212 #define	TULIP_DC21041_SIAGEN_10BASET	0x00000000L
    213 
    214 #define	TULIP_DC21041_SIACONN_AUI	0x0000EF09L
    215 #define	TULIP_DC21041_SIATXRX_AUI	0x0000F73DL
    216 #define	TULIP_DC21041_SIAGEN_AUI	0x0000000EL
    217 
    218 #define	TULIP_DC21041_SIACONN_BNC	0x0000EF09L
    219 #define	TULIP_DC21041_SIATXRX_BNC	0x0000F73DL
    220 #define	TULIP_DC21041_SIAGEN_BNC	0x00000006L
    221 
    222 #define	TULIP_BUSMODE_SWRESET		0x00000001L
    223 #define	TULIP_BUSMODE_DESCSKIPLEN_MASK	0x0000007CL
    224 #define	TULIP_BUSMODE_BIGENDIAN		0x00000080L
    225 #define	TULIP_BUSMODE_BURSTLEN_MASK	0x00003F00L
    226 #define	TULIP_BUSMODE_BURSTLEN_DEFAULT	0x00000000L
    227 #define	TULIP_BUSMODE_BURSTLEN_1LW	0x00000100L
    228 #define	TULIP_BUSMODE_BURSTLEN_2LW	0x00000200L
    229 #define	TULIP_BUSMODE_BURSTLEN_4LW	0x00000400L
    230 #define	TULIP_BUSMODE_BURSTLEN_8LW	0x00000800L
    231 #define	TULIP_BUSMODE_BURSTLEN_16LW	0x00001000L
    232 #define	TULIP_BUSMODE_BURSTLEN_32LW	0x00002000L
    233 #define	TULIP_BUSMODE_CACHE_NOALIGN	0x00000000L
    234 #define	TULIP_BUSMODE_CACHE_ALIGN8	0x00004000L
    235 #define	TULIP_BUSMODE_CACHE_ALIGN16	0x00008000L
    236 #define	TULIP_BUSMODE_CACHE_ALIGN32	0x0000C000L
    237 #define	TULIP_BUSMODE_TXPOLL_NEVER	0x00000000L
    238 #define	TULIP_BUSMODE_TXPOLL_200000ns	0x00020000L
    239 #define	TULIP_BUSMODE_TXPOLL_800000ns	0x00040000L
    240 #define	TULIP_BUSMODE_TXPOLL_1600000ns	0x00060000L
    241 #define	TULIP_BUSMODE_TXPOLL_12800ns	0x00080000L	/* DC21041 only */
    242 #define	TULIP_BUSMODE_TXPOLL_25600ns	0x000A0000L	/* DC21041 only */
    243 #define	TULIP_BUSMODE_TXPOLL_51200ns	0x000C0000L	/* DC21041 only */
    244 #define	TULIP_BUSMODE_TXPOLL_102400ns	0x000E0000L	/* DC21041 only */
    245 #define	TULIP_BUSMODE_DESC_BIGENDIAN	0x00100000L	/* DC21041 only */
    246 
    247 /*
    248  * These are the defintitions used for the DEC DC21140
    249  * evaluation board.
    250  */
    251 #define	TULIP_GP_EB_PINS		0x0000011F	/* General Purpose Pin directions */
    252 #define	TULIP_GP_EB_OK10		0x00000080	/* 10 Mb/sec Signal Detect gep<7> */
    253 #define	TULIP_GP_EB_OK100		0x00000040	/* 100 Mb/sec Signal Detect gep<6> */
    254 #define	TULIP_GP_EB_INIT		0x0000000B	/* No loopback --- point-to-point */
    255 
    256 /*
    257  * There are the definitions used for the DEC DE500-XA
    258  * 10/100 board
    259  */
    260 #define	TULIP_GP_DE500_PINS		0x0000010FL
    261 #define	TULIP_GP_DE500_NOTOK_10		0x00000080L
    262 #define	TULIP_GP_DE500_NOTOK_100	0x00000040L
    263 #define	TULIP_GP_DE500_HALFDUPLEX	0x00000008L
    264 #define	TULIP_GP_DE500_FORCE_100	0x00000001L
    265 
    266 /*
    267  * These are the defintitions used for the Cogent EM100
    268  * DC21140 board.
    269  */
    270 #define	TULIP_GP_EM100_PINS		0x0000013F	/* General Purpose Pin directions */
    271 #define	TULIP_GP_EM100_INIT		0x00000009	/* No loopback --- point-to-point */
    272 #define	TULIP_OUI_COGENT_0		0x00
    273 #define	TULIP_OUI_COGENT_1		0x00
    274 #define	TULIP_OUI_COGENT_2		0x94
    275 #define	TULIP_COGENT_EM100_ID		0x12
    276 
    277 
    278 /*
    279  * These are the defintitions used for the Znyx ZX342
    280  * 10/100 board
    281  */
    282 #define	TULIP_GP_ZX34X_PINS		0x0000011F	/* General Purpose Pin directions */
    283 #define	TULIP_GP_ZX34X_OK10		0x00000080	/* 10 Mb/sec Signal Detect gep<7> */
    284 #define	TULIP_GP_ZX34X_OK100		0x00000040	/* 100 Mb/sec Signal Detect gep<6> */
    285 #define	TULIP_GP_ZX34X_INIT		0x00000009
    286 #define	TULIP_OUI_ZNYX_0		0x00
    287 #define	TULIP_OUI_ZNYX_1		0xC0
    288 #define	TULIP_OUI_ZNYX_2		0x95
    289 
    290 
    291 /*
    292  * SROM definitions for the DC21140 and DC21041.
    293  */
    294 #define SROMSEL         0x0800
    295 #define SROMRD          0x4000
    296 #define SROMWR          0x2000
    297 #define SROMDIN         0x0008
    298 #define SROMDOUT        0x0004
    299 #define SROMDOUTON      0x0004
    300 #define SROMDOUTOFF     0x0004
    301 #define SROMCLKON       0x0002
    302 #define SROMCLKOFF      0x0002
    303 #define SROMCSON        0x0001
    304 #define SROMCSOFF       0x0001
    305 #define SROMCS          0x0001
    306 
    307 #define	SROMCMD_MODE	4
    308 #define	SROMCMD_WR	5
    309 #define	SROMCMD_RD	6
    310 
    311 #define	SROM_BITWIDTH	6
    312 #endif /* !defined(_DC21040_H) */
    313