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bereg.h revision 1.2
      1 /*	$NetBSD: bereg.h,v 1.2 1999/01/17 20:47:50 pk Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Paul Kranenburg.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Copyright (c) 1998 Theo de Raadt and Jason L. Wright.
     41  * All rights reserved.
     42  *
     43  * Redistribution and use in source and binary forms, with or without
     44  * modification, are permitted provided that the following conditions
     45  * are met:
     46  * 1. Redistributions of source code must retain the above copyright
     47  *    notice, this list of conditions and the following disclaimer.
     48  * 2. Redistributions in binary form must reproduce the above copyright
     49  *    notice, this list of conditions and the following disclaimer in the
     50  *    documentation and/or other materials provided with the distribution.
     51  * 3. The name of the authors may not be used to endorse or promote products
     52  *    derived from this software without specific prior written permission.
     53  *
     54  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
     55  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     56  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     57  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     58  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     59  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     60  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     61  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     62  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     63  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     64  */
     65 
     66 /*
     67  * BE Global registers
     68  *-
     69 struct be_bregs {
     70 	u_int32_t xif_cfg;		// XIF config
     71 	u_int32_t _unused[63];		// reserved
     72 	u_int32_t stat;			// status, clear on read
     73 	u_int32_t imask;		// interrupt mask
     74 	u_int32_t _unused2[64];		// reserved
     75 	u_int32_t tx_swreset;		// tx software reset
     76 	u_int32_t tx_cfg;		// tx config
     77 	u_int32_t ipkt_gap1;		// inter-packet gap 1
     78 	u_int32_t ipkt_gap2;		// inter-packet gap 2
     79 	u_int32_t attempt_limit;	// tx attempt limit
     80 	u_int32_t stime;		// tx slot time
     81 	u_int32_t preamble_len;		// size of tx preamble
     82 	u_int32_t preamble_pattern;	// pattern for tx preamble
     83 	u_int32_t tx_sframe_delim;	// tx delimiter
     84 	u_int32_t jsize;		// jam length
     85 	u_int32_t tx_pkt_max;		// tx max pkt size
     86 	u_int32_t tx_pkt_min;		// tx min pkt size
     87 	u_int32_t peak_attempt;		// count of tx peak attempts
     88 	u_int32_t dt_ctr;		// tx defer timer
     89 	u_int32_t nc_ctr;		// tx normal collision cntr
     90 	u_int32_t fc_ctr;		// tx first-collision cntr
     91 	u_int32_t ex_ctr;		// tx excess-collision cntr
     92 	u_int32_t lt_ctr;		// tx late-collision cntr
     93 	u_int32_t rand_seed;		// tx random number seed
     94 	u_int32_t tx_smachine;		// tx state machine
     95 	u_int32_t _unused3[44];		// reserved
     96 	u_int32_t rx_swreset;		// rx software reset
     97 	u_int32_t rx_cfg;		// rx config register
     98 	u_int32_t rx_pkt_max;		// rx max pkt size
     99 	u_int32_t rx_pkt_min;		// rx min pkt size
    100 	u_int32_t mac_addr2;		// ethernet address 2 (MSB)
    101 	u_int32_t mac_addr1;		// ethernet address 1
    102 	u_int32_t mac_addr0;		// ethernet address 0 (LSB)
    103 	u_int32_t fr_ctr;		// rx frame receive cntr
    104 	u_int32_t gle_ctr;		// rx giant-len error cntr
    105 	u_int32_t unale_ctr;		// rx unaligned error cntr
    106 	u_int32_t rcrce_ctr;		// rx CRC error cntr
    107 	u_int32_t rx_smachine;		// rx state machine
    108 	u_int32_t rx_cvalid;		// rx code violation
    109 	u_int32_t _unused4;		// reserved
    110 	u_int32_t htable3;		// hash table 3
    111 	u_int32_t htable2;		// hash table 2
    112 	u_int32_t htable1;		// hash table 1
    113 	u_int32_t htable0;		// hash table 0
    114 	u_int32_t afilter2;		// address filter 2
    115 	u_int32_t afilter1;		// address filter 1
    116 	u_int32_t afilter0;		// address filter 0
    117 	u_int32_t afilter_mask;		// address filter mask
    118 };
    119  * register indices: */
    120 #define BE_BRI_XIFCFG	(0*4)
    121 #define BE_BRI_STAT	(64*4)
    122 #define BE_BRI_IMASK	(65*4)
    123 #define BE_BRI_TXCFG	(131*4)
    124 #define BE_BRI_JSIZE	(139*4)
    125 #define BE_BRI_NCCNT	(144*4)
    126 #define BE_BRI_FCCNT	(145*4)
    127 #define BE_BRI_EXCNT	(146*4)
    128 #define BE_BRI_LTCNT	(147*4)
    129 #define BE_BRI_RANDSEED	(148*4)
    130 #define BE_BRI_RXCFG	(195*4)
    131 #define BE_BRI_MACADDR2	(198*4)
    132 #define BE_BRI_MACADDR1	(199*4)
    133 #define BE_BRI_MACADDR0	(200*4)
    134 #define BE_BRI_HASHTAB3	(208*4)
    135 #define BE_BRI_HASHTAB2	(209*4)
    136 #define BE_BRI_HASHTAB1	(210*4)
    137 #define BE_BRI_HASHTAB0	(211*4)
    138 
    139 /* be_bregs.xif_cfg: XIF config. */
    140 #define BE_BR_XCFG_ODENABLE	0x00000001	/* output driver enable */
    141 #define BE_BR_XCFG_RESV		0x00000002	/* reserved, write as 1 */
    142 #define BE_BR_XCFG_MLBACK	0x00000004	/* loopback-mode mii enable */
    143 #define BE_BR_XCFG_SMODE	0x00000008	/* enable serial mode */
    144 
    145 /* be_bregs.stat: status, clear on read. */
    146 #define BE_BR_STAT_GOTFRAME	0x00000001	/* received a frame */
    147 #define BE_BR_STAT_RCNTEXP	0x00000002	/* rx frame cntr expired */
    148 #define BE_BR_STAT_ACNTEXP	0x00000004	/* align-error cntr expired */
    149 #define BE_BR_STAT_CCNTEXP	0x00000008	/* crc-error cntr expired */
    150 #define BE_BR_STAT_LCNTEXP	0x00000010	/* length-error cntr expired */
    151 #define BE_BR_STAT_RFIFOVF	0x00000020	/* rx fifo overflow */
    152 #define BE_BR_STAT_CVCNTEXP	0x00000040	/* code-violation cntr exprd */
    153 #define BE_BR_STAT_SENTFRAME	0x00000100	/* transmitted a frame */
    154 #define BE_BR_STAT_TFIFO_UND	0x00000200	/* tx fifo underrun */
    155 #define BE_BR_STAT_MAXPKTERR	0x00000400	/* max-packet size error */
    156 #define BE_BR_STAT_NCNTEXP	0x00000800	/* normal-collision cntr exp */
    157 #define BE_BR_STAT_ECNTEXP	0x00001000	/* excess-collision cntr exp */
    158 #define BE_BR_STAT_LCCNTEXP	0x00002000	/* late-collision cntr exp */
    159 #define BE_BR_STAT_FCNTEXP	0x00004000	/* first-collision cntr exp */
    160 #define BE_BR_STAT_DTIMEXP	0x00008000	/* defer-timer expired */
    161 #define BE_BR_STAT_BITS		"\177\020"				\
    162 			"b\0GOTFRAME\0b\1RCNTEXP\0b\2ACNTEXP\0"		\
    163 			"b\3CCNTEXP\0b\5LCNTEXP\0b\6RFIFOVF\0"		\
    164 			"b\7CVCNTEXP\0b\10SENTFRAME\0b\11TFIFO_UND\0"	\
    165 			"b\12MAXPKTERR\0b\13NCNTEXP\0b\14ECNTEXP\0"	\
    166 			"b\15LCCNTEXP\0b\16FCNTEXP\0b\17DTIMEXP\0\0"
    167 
    168 /* be_bregs.imask: interrupt mask. */
    169 #define BE_BR_IMASK_GOTFRAME	0x00000001	/* received a frame */
    170 #define BE_BR_IMASK_RCNTEXP	0x00000002	/* rx frame cntr expired */
    171 #define BE_BR_IMASK_ACNTEXP	0x00000004	/* align-error cntr expired */
    172 #define BE_BR_IMASK_CCNTEXP	0x00000008	/* crc-error cntr expired */
    173 #define BE_BR_IMASK_LCNTEXP	0x00000010	/* length-error cntr expired */
    174 #define BE_BR_IMASK_RFIFOVF	0x00000020	/* rx fifo overflow */
    175 #define BE_BR_IMASK_CVCNTEXP	0x00000040	/* code-violation cntr exprd */
    176 #define BE_BR_IMASK_SENTFRAME	0x00000100	/* transmitted a frame */
    177 #define BE_BR_IMASK_TFIFO_UND	0x00000200	/* tx fifo underrun */
    178 #define BE_BR_IMASK_MAXPKTERR	0x00000400	/* max-packet size error */
    179 #define BE_BR_IMASK_NCNTEXP	0x00000800	/* normal-collision cntr exp */
    180 #define BE_BR_IMASK_ECNTEXP	0x00001000	/* excess-collision cntr exp */
    181 #define BE_BR_IMASK_LCCNTEXP	0x00002000	/* late-collision cntr exp */
    182 #define BE_BR_IMASK_FCNTEXP	0x00004000	/* first-collision cntr exp */
    183 #define BE_BR_IMASK_DTIMEXP	0x00008000	/* defer-timer expired */
    184 
    185 /* be_bregs.tx_cfg: tx config. */
    186 #define BE_BR_TXCFG_ENABLE	0x00000001	/* enable the transmitter */
    187 #define BE_BR_TXCFG_FIFO	0x00000010	/* default tx fthresh */
    188 #define BE_BR_TXCFG_SMODE	0x00000020	/* enable slow transmit mode */
    189 #define BE_BR_TXCFG_CIGN	0x00000040	/* ignore tx collisions */
    190 #define BE_BR_TXCFG_FCSOFF	0x00000080	/* do not emit fcs */
    191 #define BE_BR_TXCFG_DBACKOFF	0x00000100	/* disable backoff */
    192 #define BE_BR_TXCFG_FULLDPLX	0x00000200	/* enable full-duplex */
    193 
    194 /* be_bregs.rx_cfg: rx config. */
    195 #define BE_BR_RXCFG_ENABLE	0x00000001	/* enable the receiver */
    196 #define BE_BR_RXCFG_FIFO	0x0000000e	/* default rx fthresh */
    197 #define BE_BR_RXCFG_PSTRIP	0x00000020	/* pad byte strip enable */
    198 #define BE_BR_RXCFG_PMISC	0x00000040	/* enable promiscous mode */
    199 #define BE_BR_RXCFG_DERR	0x00000080	/* disable error checking */
    200 #define BE_BR_RXCFG_DCRCS	0x00000100	/* disable crc stripping */
    201 #define BE_BR_RXCFG_ME		0x00000200	/* receive packets for me */
    202 #define BE_BR_RXCFG_PGRP	0x00000400	/* enable promisc group mode */
    203 #define BE_BR_RXCFG_HENABLE	0x00000800	/* enable hash filter */
    204 #define BE_BR_RXCFG_AENABLE	0x00001000	/* enable address filter */
    205 
    206 /*
    207  * BE Channel registers
    208  *-
    209 struct be_cregs {
    210 	u_int32_t ctrl;		// control
    211 	u_int32_t stat;		// status
    212 	u_int32_t rxds;		// rx descriptor ring ptr
    213 	u_int32_t txds;		// tx descriptor ring ptr
    214 	u_int32_t rimask;	// rx interrupt mask
    215 	u_int32_t timask;	// tx interrupt mask
    216 	u_int32_t qmask;	// qec error interrupt mask
    217 	u_int32_t bmask;	// be error interrupt mask
    218 	u_int32_t rxwbufptr;	// local memory rx write ptr
    219 	u_int32_t rxrbufptr;	// local memory rx read ptr
    220 	u_int32_t txwbufptr;	// local memory tx write ptr
    221 	u_int32_t txrbufptr;	// local memory tx read ptr
    222 	u_int32_t ccnt;		// collision counter
    223 };
    224  * register indices: */
    225 #define BE_CRI_CTRL	(0*4)
    226 #define BE_CRI_STAT	(1*4)
    227 #define BE_CRI_RXDS	(2*4)
    228 #define BE_CRI_TXDS	(3*4)
    229 #define BE_CRI_RIMASK	(4*4)
    230 #define BE_CRI_TIMASK	(5*4)
    231 #define BE_CRI_QMASK	(6*4)
    232 #define BE_CRI_BMASK	(7*4)
    233 #define BE_CRI_RXWBUF	(8*4)
    234 #define BE_CRI_RXRBUF	(9*4)
    235 #define BE_CRI_TXWBUF	(10*4)
    236 #define BE_CRI_TXRBUF	(11*4)
    237 #define BE_CRI_CCNT	(12*4)
    238 
    239 /* be_cregs.ctrl: control. */
    240 #define	BE_CR_CTRL_TWAKEUP	0x00000001	/* tx dma wakeup */
    241 
    242 /* be_cregs.stat: status. */
    243 #define BE_CR_STAT_BERROR	0x80000000	/* be error */
    244 #define BE_CR_STAT_TXIRQ	0x00200000	/* tx interrupt */
    245 #define BE_CR_STAT_TXDERR	0x00080000	/* tx descriptor is bad */
    246 #define BE_CR_STAT_TXLERR	0x00040000	/* tx late error */
    247 #define BE_CR_STAT_TXPERR	0x00020000	/* tx parity error */
    248 #define BE_CR_STAT_TXSERR	0x00010000	/* tx sbus error ack */
    249 #define BE_CR_STAT_RXIRQ	0x00000020	/* rx interrupt */
    250 #define BE_CR_STAT_RXDROP	0x00000010	/* rx packet dropped */
    251 #define BE_CR_STAT_RXSMALL	0x00000008	/* rx buffer too small */
    252 #define BE_CR_STAT_RXLERR	0x00000004	/* rx late error */
    253 #define BE_CR_STAT_RXPERR	0x00000002	/* rx parity error */
    254 #define BE_CR_STAT_RXSERR	0x00000001	/* rx sbus error ack */
    255 
    256 /* be_cregs.qmask: qec error interrupt mask. */
    257 #define BE_CR_QMASK_TXDERR	0x00080000	/* tx descriptor is bad */
    258 #define BE_CR_QMASK_TXLERR	0x00040000	/* tx late error */
    259 #define BE_CR_QMASK_TXPERR	0x00020000	/* tx parity error */
    260 #define BE_CR_QMASK_TXSERR	0x00010000	/* tx sbus error ack */
    261 #define BE_CR_QMASK_RXDROP	0x00000010	/* rx packet dropped */
    262 #define BE_CR_QMASK_RXSMALL	0x00000008	/* rx buffer too small */
    263 #define BE_CR_QMASK_RXLERR	0x00000004	/* rx late error */
    264 #define BE_CR_QMASK_RXPERR	0x00000002	/* rx parity error */
    265 #define BE_CR_QMASK_RXSERR	0x00000001	/* rx sbus error ack */
    266 
    267 /*
    268  * BE Transceiver registers
    269  *-
    270 struct be_tregs {
    271 	u_int32_t	tcvr_pal;	// transceiver pal
    272 	u_int32_t	mgmt_pal;	// management pal
    273 };
    274  * register indices: */
    275 #define BE_TRI_TCVRPAL	0
    276 #define BE_TRI_MGMTPAL	4
    277 
    278 /* be_tregs.tcvr_pal: transceiver pal */
    279 #define	TCVR_PAL_SERIAL		0x00000001	/* serial mode enable */
    280 #define TCVR_PAL_EXTLBACK	0x00000002	/* external loopback */
    281 #define TCVR_PAL_MSENSE		0x00000004	/* media sense */
    282 #define TCVR_PAL_LTENABLE	0x00000008	/* link test enable */
    283 #define TCVR_PAL_LTSTATUS	0x00000010	/* link test status: p1 only */
    284 #define TCVR_PAL_BITS		"\177\020"				\
    285 				"b\0SERIAL\0b\1EXTLBACK\0b\2MSENSE\0"	\
    286 				"b\3LTENABLE\0\b4LTSTATUS\0\0"
    287 
    288 /* be_tregs.mgmt_pal: management pal */
    289 #define MGMT_PAL_DCLOCK		0x00000001	/* data clock strobe */
    290 #define MGMT_PAL_OENAB		0x00000002	/* output enable */
    291 #define MGMT_PAL_MDIO		0x00000004	/* MDIO data/attached */
    292 #define MGMT_PAL_EXT_MDIO	MGMT_PAL_MDIO	/* external mdio */
    293 #define MGMT_PAL_TIMEO		0x00000008	/* tx enable timeout error */
    294 #define MGMT_PAL_INT_MDIO	MGMT_PAL_TIMEO	/* internal mdio */
    295 #define MGMT_PAL_BITS		"\177\020"				\
    296 				"b\0DLCLOCK\0b\1OENAB\0b\2EXT_MDIO\0"	\
    297 				"b\3INT_MDIO\0\0"
    298 
    299 /* Packet buffer size */
    300 #define BE_PKT_BUF_SZ		2048
    301 
    302 #define	MC_POLY_BE		0x04c11db7UL	/* mcast crc, big endian */
    303 #define	MC_POLY_LE		0xedb88320UL	/* mcast crc, little endian */
    304 
    305 /* PHY addresses */
    306 #define BE_PHY_EXTERNAL		0
    307 #define BE_PHY_INTERNAL		1
    308