xref: /openbsd/sys/dev/ic/hmereg.h (revision d485f761)
1 /*	$OpenBSD: hmereg.h,v 1.4 2001/09/23 20:03:01 jason Exp $	*/
2 /*	$NetBSD: hmereg.h,v 1.8 2001/04/30 12:22:42 bouyer Exp $	*/
3 
4 /*-
5  * Copyright (c) 1999 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Paul Kranenburg.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *        This product includes software developed by the NetBSD
22  *        Foundation, Inc. and its contributors.
23  * 4. Neither the name of The NetBSD Foundation nor the names of its
24  *    contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  */
39 
40 /*
41  * HME Shared Ethernet Block register offsets
42  */
43 #define HME_SEBI_RESET	(0*4)
44 #define HME_SEBI_CFG	(1*4)
45 #define HME_SEBI_STAT	(64*4)
46 #define HME_SEBI_IMASK	(65*4)
47 
48 /* HME SEB bits. */
49 #define HME_SEB_RESET_ETX	0x00000001	/* reset external transmitter */
50 #define HME_SEB_RESET_ERX	0x00000002	/* reset external receiver */
51 
52 #define HME_SEB_CFG_BURSTMASK	0x00000003	/* covers all burst bits */
53 #define HME_SEB_CFG_BURST16	0x00000000	/* 16 byte bursts */
54 #define HME_SEB_CFG_BURST32	0x00000001	/* 32 byte bursts */
55 #define HME_SEB_CFG_BURST64	0x00000002	/* 64 byte bursts */
56 #define HME_SEB_CFG_64BIT	0x00000004	/* ? */
57 #define HME_SEB_CFG_PARITY	0x00000008	/* ? */
58 
59 #define HME_SEB_STAT_GOTFRAME	0x00000001	/* frame received */
60 #define HME_SEB_STAT_RCNTEXP	0x00000002	/* rx frame count expired */
61 #define HME_SEB_STAT_ACNTEXP	0x00000004	/* align error count expired */
62 #define HME_SEB_STAT_CCNTEXP	0x00000008	/* crc error count expired */
63 #define HME_SEB_STAT_LCNTEXP	0x00000010	/* length error count expired */
64 #define HME_SEB_STAT_RFIFOVF	0x00000020	/* rx fifo overflow */
65 #define HME_SEB_STAT_CVCNTEXP	0x00000040	/* code violation counter exp */
66 #define HME_SEB_STAT_STSTERR	0x00000080	/* xif sqe test failed */
67 #define HME_SEB_STAT_SENTFRAME	0x00000100	/* frame sent */
68 #define HME_SEB_STAT_TFIFO_UND	0x00000200	/* tx fifo underrun */
69 #define HME_SEB_STAT_MAXPKTERR	0x00000400	/* max-packet size error */
70 #define HME_SEB_STAT_NCNTEXP	0x00000800	/* normal collision count exp */
71 #define HME_SEB_STAT_ECNTEXP	0x00001000	/* excess collision count exp */
72 #define HME_SEB_STAT_LCCNTEXP	0x00002000	/* late collision count exp */
73 #define HME_SEB_STAT_FCNTEXP	0x00004000	/* first collision count exp */
74 #define HME_SEB_STAT_DTIMEXP	0x00008000	/* defer timer expired */
75 #define HME_SEB_STAT_RXTOHOST	0x00010000	/* pkt moved from rx fifo->memory */
76 #define HME_SEB_STAT_NORXD	0x00020000	/* out of receive descriptors */
77 #define HME_SEB_STAT_RXERR	0x00040000	/* rx dma error */
78 #define HME_SEB_STAT_RXLATERR	0x00080000	/* late error during rx dma */
79 #define HME_SEB_STAT_RXPERR	0x00100000	/* parity error during rx dma */
80 #define HME_SEB_STAT_RXTERR	0x00200000	/* tag error during rx dma */
81 #define HME_SEB_STAT_EOPERR	0x00400000	/* tx descriptor did not set EOP */
82 #define HME_SEB_STAT_MIFIRQ	0x00800000	/* mif needs attention */
83 #define HME_SEB_STAT_HOSTTOTX	0x01000000	/* pkt moved from memory->tx fifo */
84 #define HME_SEB_STAT_TXALL	0x02000000	/* all pkts in fifo transmitted */
85 #define HME_SEB_STAT_TXEACK	0x04000000	/* error during tx dma */
86 #define HME_SEB_STAT_TXLERR	0x08000000	/* late error during tx dma */
87 #define HME_SEB_STAT_TXPERR	0x10000000	/* parity error during tx dma */
88 #define HME_SEB_STAT_TXTERR	0x20000000	/* tag error durig tx dma */
89 #define HME_SEB_STAT_SLVERR	0x40000000	/* pio access error */
90 #define HME_SEB_STAT_SLVPERR	0x80000000	/* pio access parity error */
91 #define HME_SEB_STAT_BITS	\
92 	"\020\1RX\2RCNT\3ACNT\4CCNT\5LCNT\6RFIFO\7CVCNT\10STST" \
93 	"\11TX\12TFIFO\13MAXPKT\14NCNT\15ECNT\16LCCNT\17FCNT" \
94 	"\20DTIME\21RXHOST\22NORXD\23RXE\24EXLATE\25RXP\26RXT\27EOP" \
95 	"\30MIF\31TXHOST\32TXALL\33TXE\34TXL\35TXP\36TXT\37SLV" \
96 	"\40SLVP"
97 
98 
99 #define HME_SEB_STAT_ALL_ERRORS	\
100 	(HME_SEB_STAT_SLVPERR  | HME_SEB_STAT_SLVERR  | HME_SEB_STAT_TXTERR   |\
101 	 HME_SEB_STAT_TXPERR   | HME_SEB_STAT_TXLERR  | HME_SEB_STAT_TXEACK   |\
102 	 HME_SEB_STAT_EOPERR   | HME_SEB_STAT_RXTERR  | HME_SEB_STAT_RXPERR   |\
103 	 HME_SEB_STAT_RXLATERR | HME_SEB_STAT_RXERR   | HME_SEB_STAT_NORXD    |\
104 	 HME_SEB_STAT_DTIMEXP  | HME_SEB_STAT_FCNTEXP | HME_SEB_STAT_LCCNTEXP |\
105 	 HME_SEB_STAT_ECNTEXP  | HME_SEB_STAT_NCNTEXP | HME_SEB_STAT_MAXPKTERR|\
106 	 HME_SEB_STAT_TFIFO_UND| HME_SEB_STAT_STSTERR | HME_SEB_STAT_CVCNTEXP |\
107 	 HME_SEB_STAT_LCNTEXP | HME_SEB_STAT_CCNTEXP| HME_SEB_STAT_ACNTEXP)
108 
109 #define HME_SEB_STAT_VLAN_ERRORS	\
110 	(HME_SEB_STAT_SLVPERR  | HME_SEB_STAT_SLVERR  | HME_SEB_STAT_TXTERR   |\
111 	 HME_SEB_STAT_TXPERR   | HME_SEB_STAT_TXLERR  | HME_SEB_STAT_TXEACK   |\
112 	 HME_SEB_STAT_EOPERR   | HME_SEB_STAT_RXTERR  | HME_SEB_STAT_RXPERR   |\
113 	 HME_SEB_STAT_RXLATERR | HME_SEB_STAT_RXERR   | HME_SEB_STAT_NORXD    |\
114 	 HME_SEB_STAT_DTIMEXP  | HME_SEB_STAT_FCNTEXP | HME_SEB_STAT_LCCNTEXP |\
115 	 HME_SEB_STAT_ECNTEXP  | HME_SEB_STAT_NCNTEXP |                        \
116 	 HME_SEB_STAT_TFIFO_UND| HME_SEB_STAT_STSTERR | HME_SEB_STAT_CVCNTEXP |\
117 	 HME_SEB_STAT_LCNTEXP | HME_SEB_STAT_CCNTEXP  | HME_SEB_STAT_ACNTEXP)
118 
119 /*
120  * HME Transmitter register offsets
121  */
122 #define HME_ETXI_PENDING	(0*4)		/* Pending/wakeup */
123 #define HME_ETXI_CFG		(1*4)
124 #define HME_ETXI_RING		(2*4)		/* Descriptor Ring pointer */
125 #define HME_ETXI_BBASE		(3*4)		/* Buffer base address (ro) */
126 #define HME_ETXI_BDISP		(4*4)		/* Buffer displacement (ro) */
127 #define HME_ETXI_FIFO_WPTR	(5*4)		/* FIFO write pointer */
128 #define HME_ETXI_FIFO_SWPTR	(6*4)		/* FIFO shadow write pointer */
129 #define HME_ETXI_FIFO_RPTR	(7*4)		/* FIFO read pointer */
130 #define HME_ETXI_FIFO_SRPTR	(8*4)		/* FIFO shadow read pointer */
131 #define HME_ETXI_FIFO_PKTCNT	(9*4)		/* FIFO packet counter */
132 #define HME_ETXI_STATEMACHINE	(10*4)		/* State machine */
133 #define HME_ETXI_RSIZE		(11*4)		/* Ring size */
134 #define HME_ETXI_BPTR		(12*4)		/* Buffer pointer */
135 
136 
137 /* TXI_PENDING bits */
138 #define HME_ETX_TP_DMAWAKEUP	0x00000001	/* Start tx (rw, auto-clear) */
139 
140 /* TXI_CFG bits */
141 #define HME_ETX_CFG_DMAENABLE	0x00000001	/* Enable TX dma */
142 #define HME_ETX_CFG_FIFOTHRESH	0x000003fe	/* TX fifo threshold */
143 #define HME_ETX_CFG_IRQDAFTER	0x00000400	/* Intr after tx-fifo empty */
144 #define HME_ETX_CFG_IRQDBEFORE	0x00000000	/* Intr before tx-fifo empty */
145 
146 
147 /*
148  * HME Receiver register offsets
149  */
150 #define HME_ERXI_CFG		(0*4)
151 #define HME_ERXI_RING		(1*4)		/* Descriptor Ring pointer */
152 #define HME_ERXI_BPTR		(2*4)		/* Data Buffer pointer (ro) */
153 #define HME_ERXI_FIFO_WPTR	(3*4)		/* FIFO write pointer */
154 #define HME_ERXI_FIFO_SWPTR	(4*4)		/* FIFO shadow write pointer */
155 #define HME_ERXI_FIFO_RPTR	(5*4)		/* FIFO read pointer */
156 #define HME_ERXI_FIFO_SRPTR	(6*4)		/* FIFO shadow read pointer */
157 #define HME_ERXI_STATEMACHINE	(7*4)		/* State machine */
158 
159 /* RXI_CFG bits */
160 #define HME_ERX_CFG_DMAENABLE	0x00000001	/* Enable RX dma */
161 #define HME_ERX_CFG_BYTEOFFSET	0x00000038	/* RX first byte offset */
162 #define HME_ERX_CFG_RINGSIZE32	0x00000000	/* Descriptor ring size: 32 */
163 #define HME_ERX_CFG_RINGSIZE64	0x00000200	/* Descriptor ring size: 64 */
164 #define HME_ERX_CFG_RINGSIZE128	0x00000400	/* Descriptor ring size: 128 */
165 #define HME_ERX_CFG_RINGSIZE256	0x00000600	/* Descriptor ring size: 256 */
166 #define HME_ERX_CFG_CSUMSTART	0x007f0000	/* cksum offset */
167 
168 /*
169  * HME MAC-core register offsets
170  */
171 #define HME_MACI_XIF		(0*4)
172 #define HME_MACI_TXSWRST	(130*4)		/* TX reset */
173 #define HME_MACI_TXCFG		(131*4)		/* TX config */
174 #define HME_MACI_JSIZE		(139*4)		/* TX jam size */
175 #define HME_MACI_TXSIZE		(140*4)		/* TX max size */
176 #define HME_MACI_NCCNT		(144*4)		/* TX normal collision cnt */
177 #define HME_MACI_FCCNT		(145*4)		/* TX first collision cnt */
178 #define HME_MACI_EXCNT		(146*4)		/* TX excess collision cnt */
179 #define HME_MACI_LTCNT		(147*4)		/* TX late collision cnt */
180 #define HME_MACI_RANDSEED	(148*4)		/*  */
181 #define HME_MACI_RXSWRST	(194*4)		/* RX reset */
182 #define HME_MACI_RXCFG		(195*4)		/* RX config */
183 #define HME_MACI_RXSIZE		(196*4)		/* RX max size */
184 #define HME_MACI_MACADDR2	(198*4)		/* MAC address */
185 #define HME_MACI_MACADDR1	(199*4)
186 #define HME_MACI_MACADDR0	(200*4)
187 #define HME_MACI_HASHTAB3	(208*4)		/* Address hash table */
188 #define HME_MACI_HASHTAB2	(209*4)
189 #define HME_MACI_HASHTAB1	(210*4)
190 #define HME_MACI_HASHTAB0	(211*4)
191 #define HME_MACI_AFILTER2	(212*4)		/* Address filter */
192 #define HME_MACI_AFILTER1	(213*4)
193 #define HME_MACI_AFILTER0	(214*4)
194 #define HME_MACI_AFILTER_MASK	(215*4)
195 
196 /* XIF config register. */
197 #define HME_MAC_XIF_OE		0x00000001	/* Output driver enable */
198 #define HME_MAC_XIF_XLBACK	0x00000002	/* Loopback-mode XIF enable */
199 #define HME_MAC_XIF_MLBACK	0x00000004	/* Loopback-mode MII enable */
200 #define HME_MAC_XIF_MIIENABLE	0x00000008	/* MII receive buffer enable */
201 #define HME_MAC_XIF_SQENABLE	0x00000010	/* SQE test enable */
202 #define HME_MAC_XIF_SQETWIN	0x000003e0	/* SQE time window */
203 #define HME_MAC_XIF_LANCE	0x00000010	/* Lance mode enable */
204 #define HME_MAC_XIF_LIPG0	0x000003e0	/* Lance mode IPG0 */
205 
206 /* Transmit config register. */
207 #define HME_MAC_TXCFG_ENABLE	0x00000001	/* Enable the transmitter */
208 #define HME_MAC_TXCFG_SMODE	0x00000020	/* Enable slow transmit mode */
209 #define HME_MAC_TXCFG_CIGN	0x00000040	/* Ignore transmit collisions */
210 #define HME_MAC_TXCFG_FCSOFF	0x00000080	/* Do not emit FCS */
211 #define HME_MAC_TXCFG_DBACKOFF	0x00000100	/* Disable backoff */
212 #define HME_MAC_TXCFG_FULLDPLX	0x00000200	/* Enable full-duplex */
213 #define HME_MAC_TXCFG_DGIVEUP	0x00000400	/* Don't give up on transmits */
214 
215 /* Receive config register. */
216 #define HME_MAC_RXCFG_ENABLE	0x00000001 /* Enable the receiver */
217 #define HME_MAC_RXCFG_PSTRIP	0x00000020 /* Pad byte strip enable */
218 #define HME_MAC_RXCFG_PMISC	0x00000040 /* Enable promiscous mode */
219 #define HME_MAC_RXCFG_DERR	0x00000080 /* Disable error checking */
220 #define HME_MAC_RXCFG_DCRCS	0x00000100 /* Disable CRC stripping */
221 #define HME_MAC_RXCFG_ME	0x00000200 /* Receive packets addressed to me */
222 #define HME_MAC_RXCFG_PGRP	0x00000400 /* Enable promisc group mode */
223 #define HME_MAC_RXCFG_HENABLE	0x00000800 /* Enable the hash filter */
224 #define HME_MAC_RXCFG_AENABLE	0x00001000 /* Enable the address filter */
225 
226 /*
227  * HME MIF register offsets
228  */
229 #define HME_MIFI_BB_CLK		(0*4)	/* bit-bang clock */
230 #define HME_MIFI_BB_DATA	(1*4)	/* bit-bang data */
231 #define HME_MIFI_BB_OE		(2*4)	/* bit-bang output enable */
232 #define HME_MIFI_FO		(3*4)	/* frame output */
233 #define HME_MIFI_CFG		(4*4)	/*  */
234 #define HME_MIFI_IMASK		(5*4)	/* Interrupt mask for status change */
235 #define HME_MIFI_STAT		(6*4)	/* Status (ro, auto-clear) */
236 #define HME_MIFI_SM		(7*4)	/* State machine (ro) */
237 
238 /* MIF Configuration register */
239 #define HME_MIF_CFG_PHY		0x00000001	/* PHY select */
240 #define HME_MIF_CFG_PE		0x00000002	/* Poll enable */
241 #define HME_MIF_CFG_BBMODE	0x00000004	/* Bit-bang mode */
242 #define HME_MIF_CFG_PRADDR	0x000000f8	/* Poll register adddress */
243 #define HME_MIF_CFG_MDI0	0x00000100	/* MDI_0 (ro) */
244 #define HME_MIF_CFG_MDI1	0x00000200	/* MDI_1 (ro) */
245 #define HME_MIF_CFG_PPADDR	0x00007c00	/* Poll phy adddress */
246 
247 /* MIF Frame/Output register */
248 #define HME_MIF_FO_ST		0xc0000000	/* Start of frame */
249 #define HME_MIF_FO_ST_SHIFT	30		/* */
250 #define HME_MIF_FO_OPC		0x30000000	/* Opcode */
251 #define HME_MIF_FO_OPC_SHIFT	28		/* */
252 #define HME_MIF_FO_PHYAD	0x0f800000	/* PHY Address */
253 #define HME_MIF_FO_PHYAD_SHIFT	23		/* */
254 #define HME_MIF_FO_REGAD	0x007c0000	/* Register Address */
255 #define HME_MIF_FO_REGAD_SHIFT	18		/* */
256 #define HME_MIF_FO_TAMSB	0x00020000	/* Turn-around MSB */
257 #define HME_MIF_FO_TALSB	0x00010000	/* Turn-around LSB */
258 #define HME_MIF_FO_DATA		0x0000ffff	/* data to read or write */
259 
260 /* Wired HME PHY addresses */
261 #define	HME_PHYAD_INTERNAL	1
262 #define	HME_PHYAD_EXTERNAL	0
263 
264 /*
265  * Buffer Descriptors.
266  */
267 #ifdef notdef
268 struct hme_xd {
269 	volatile u_int32_t	xd_flags;
270 	volatile u_int32_t	xd_addr;	/* Buffer address (DMA) */
271 };
272 #endif
273 #define HME_XD_SIZE			8
274 #define HME_XD_FLAGS(base, index)	((base) + ((index) * HME_XD_SIZE) + 0)
275 #define HME_XD_ADDR(base, index)	((base) + ((index) * HME_XD_SIZE) + 4)
276 #define HME_XD_GETFLAGS(p, b, i)					\
277 	(p) ? letoh32(*((u_int32_t *)HME_XD_FLAGS(b,i))) :		\
278 		(*((u_int32_t *)HME_XD_FLAGS(b,i)))
279 #define HME_XD_SETFLAGS(p, b, i, f)	do {				\
280 	*((u_int32_t *)HME_XD_FLAGS(b,i)) = ((p) ? htole32(f) : (f));	\
281 } while(0)
282 #define HME_XD_SETADDR(p, b, i, a)	do {				\
283 	*((u_int32_t *)HME_XD_ADDR(b,i)) = ((p) ? htole32(a) : (a));	\
284 } while(0)
285 
286 /* Descriptor flag values */
287 #define HME_XD_OWN	0x80000000	/* ownership: 1=hw, 0=sw */
288 #define HME_XD_SOP	0x40000000	/* start of packet marker (tx) */
289 #define HME_XD_OFL	0x40000000	/* buffer overflow (rx) */
290 #define HME_XD_EOP	0x20000000	/* end of packet marker (tx) */
291 #define HME_XD_TXCKSUM	0x10000000	/* checksum enable (tx) */
292 #define HME_XD_RXLENMSK	0x3fff0000	/* packet length mask (rx) */
293 #define HME_XD_RXLENSHIFT	16
294 #define HME_XD_TXLENMSK	0x00003fff	/* packet length mask (tx) */
295 #define HME_XD_RXCKSUM	0x0000ffff	/* packet checksum (rx) */
296 
297 /* Macros to encode/decode the receive buffer size from the flags field */
298 #define HME_XD_ENCODE_RSIZE(sz)		\
299 	(((sz) << HME_XD_RXLENSHIFT) & HME_XD_RXLENMSK)
300 #define HME_XD_DECODE_RSIZE(flags)	\
301 	(((flags) & HME_XD_RXLENMSK) >> HME_XD_RXLENSHIFT)
302 
303 /* Provide encode/decode macros for the transmit buffers for symmetry */
304 #define HME_XD_ENCODE_TSIZE(sz)		\
305 	(((sz) << 0) & HME_XD_TXLENMSK)
306 #define HME_XD_DECODE_TSIZE(flags)	\
307 	(((flags) & HME_XD_TXLENMSK) >> 0)
308 
309 #ifndef EVL_ENCAPLEN		/* defined if NVLAN > 0 */
310 #define	EVL_ENCAPLEN	0
311 #endif
312 
313 #define	HME_MTU		\
314     (ETHERMTU + EVL_ENCAPLEN + sizeof(u_int32_t) + sizeof(struct ether_header))
315