hmereg.h revision 1.21
1/*	$NetBSD: hmereg.h,v 1.21 2009/04/16 14:08:18 tsutsui 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*
33 * HME Shared Ethernet Block register offsets
34 */
35#define HME_SEBI_RESET	(0*4)
36#define HME_SEBI_CFG	(1*4)
37#define HME_SEBI_STAT	(64*4)
38#define HME_SEBI_IMASK	(65*4)
39
40/* HME SEB bits. */
41#define HME_SEB_RESET_ETX	0x00000001	/* reset external transmitter */
42#define HME_SEB_RESET_ERX	0x00000002	/* reset external receiver */
43
44#define HME_SEB_CFG_BURSTMASK	0x00000003	/* covers all burst bits */
45#define HME_SEB_CFG_BURST16	0x00000000	/* 16 byte bursts */
46#define HME_SEB_CFG_BURST32	0x00000001	/* 32 byte bursts */
47#define HME_SEB_CFG_BURST64	0x00000002	/* 64 byte bursts */
48#define HME_SEB_CFG_64BIT	0x00000004	/* 64-bit CEI/SBus DVMA (94) */
49#define HME_SEB_CFG_PARITY	0x00000008	/* DVMA & PIO parity check */
50#define HME_SEB_CFG_VERS	0xf0000000	/* ether channel version */
51#define HME_SEB_CFG_VERSSHIFT	28
52
53#define HME_SEB_STAT_GOTFRAME	0x00000001	/* frame received */
54#define HME_SEB_STAT_RCNTEXP	0x00000002	/* rx frame count expired */
55#define HME_SEB_STAT_ACNTEXP	0x00000004	/* align error count expired */
56#define HME_SEB_STAT_CCNTEXP	0x00000008	/* crc error count expired */
57#define HME_SEB_STAT_LCNTEXP	0x00000010	/* length error count expired */
58#define HME_SEB_STAT_RFIFOVF	0x00000020	/* rx fifo overflow */
59#define HME_SEB_STAT_CVCNTEXP	0x00000040	/* code violation counter exp */
60#define HME_SEB_STAT_STSTERR	0x00000080	/* xif sqe test failed */
61#define HME_SEB_STAT_SENTFRAME	0x00000100	/* frame sent */
62#define HME_SEB_STAT_TFIFO_UND	0x00000200	/* tx fifo underrun */
63#define HME_SEB_STAT_MAXPKTERR	0x00000400	/* max-packet size error */
64#define HME_SEB_STAT_NCNTEXP	0x00000800	/* normal collision count exp */
65#define HME_SEB_STAT_ECNTEXP	0x00001000	/* excess collision count exp */
66#define HME_SEB_STAT_LCCNTEXP	0x00002000	/* late collision count exp */
67#define HME_SEB_STAT_FCNTEXP	0x00004000	/* first collision count exp */
68#define HME_SEB_STAT_DTIMEXP	0x00008000	/* defer timer expired */
69#define HME_SEB_STAT_RXTOHOST	0x00010000	/* pkt moved from rx fifo->memory */
70#define HME_SEB_STAT_NORXD	0x00020000	/* out of receive descriptors */
71#define HME_SEB_STAT_RXERR	0x00040000	/* rx DMA error */
72#define HME_SEB_STAT_RXLATERR	0x00080000	/* late error during rx DMA */
73#define HME_SEB_STAT_RXPERR	0x00100000	/* parity error during rx DMA */
74#define HME_SEB_STAT_RXTERR	0x00200000	/* tag error during rx DMA */
75#define HME_SEB_STAT_EOPERR	0x00400000	/* tx descriptor did not set EOP */
76#define HME_SEB_STAT_MIFIRQ	0x00800000	/* mif needs attention */
77#define HME_SEB_STAT_HOSTTOTX	0x01000000	/* pkt moved from memory->tx fifo */
78#define HME_SEB_STAT_TXALL	0x02000000	/* all pkts in fifo transmitted */
79#define HME_SEB_STAT_TXEACK	0x04000000	/* error during tx DMA */
80#define HME_SEB_STAT_TXLERR	0x08000000	/* late error during tx DMA */
81#define HME_SEB_STAT_TXPERR	0x10000000	/* parity error during tx DMA */
82#define HME_SEB_STAT_TXTERR	0x20000000	/* tag error durig tx DMA */
83#define HME_SEB_STAT_SLVERR	0x40000000	/* pio access error */
84#define HME_SEB_STAT_SLVPERR	0x80000000	/* pio access parity error */
85#define HME_SEB_STAT_BITS	"\177\020"				\
86			"b\0GOTFRAME\0b\1RCNTEXP\0b\2ACNTEXP\0"		\
87			"b\3CCNTEXP\0b\4LCNTEXP\0b\5RFIFOVF\0"		\
88			"b\6CVCNTEXP\0b\7STSTERR\0b\10SENTFRAME\0"	\
89			"b\11TFIFO_UND\0b\12MAXPKTERR\0b\13NCNTEXP\0"	\
90			"b\14ECNTEXP\0b\15LCCNTEXP\0b\16FCNTEXP\0"	\
91			"b\17DTIMEXP\0b\20RXTOHOST\0b\21NORXD\0"	\
92			"b\22RXERR\0b\23RXLATERR\0b\24RXPERR\0"		\
93			"b\25RXTERR\0b\26EOPERR\0b\27MIFIRQ\0"		\
94			"b\30HOSTTOTX\0b\31TXALL\0b\32XTEACK\0"		\
95			"b\33TXLERR\0b\34TXPERR\0b\35TXTERR\0"		\
96			"b\36SLVERR\0b\37SLVPERR\0\0"
97
98#ifdef HMEDEBUG
99#define HME_SEB_STAT_DEBUG_ERRORS	(HME_SEB_STAT_DTIMEXP | HME_SEB_STAT_RFIFOVF)
100#else
101#define HME_SEB_STAT_DEBUG_ERRORS	0
102#endif
103
104#define HME_SEB_STAT_ALL_ERRORS	\
105	(HME_SEB_STAT_SLVPERR  | HME_SEB_STAT_SLVERR  | HME_SEB_STAT_TXTERR   |\
106	 HME_SEB_STAT_TXPERR   | HME_SEB_STAT_TXLERR  | HME_SEB_STAT_TXEACK   |\
107	 HME_SEB_STAT_EOPERR   | HME_SEB_STAT_RXTERR  | HME_SEB_STAT_RXPERR   |\
108	 HME_SEB_STAT_RXLATERR | HME_SEB_STAT_RXERR   | HME_SEB_STAT_NORXD    |\
109	 HME_SEB_STAT_FCNTEXP  | HME_SEB_STAT_LCCNTEXP |\
110	 HME_SEB_STAT_ECNTEXP  | HME_SEB_STAT_NCNTEXP | HME_SEB_STAT_MAXPKTERR|\
111	 HME_SEB_STAT_TFIFO_UND| HME_SEB_STAT_STSTERR | HME_SEB_STAT_CVCNTEXP |\
112	 HME_SEB_STAT_LCNTEXP  | HME_SEB_STAT_CCNTEXP |\
113	 HME_SEB_STAT_ACNTEXP  | HME_SEB_STAT_DEBUG_ERRORS)
114
115#define HME_SEB_STAT_VLAN_ERRORS	\
116	(HME_SEB_STAT_SLVPERR  | HME_SEB_STAT_SLVERR  | HME_SEB_STAT_TXTERR   |\
117	 HME_SEB_STAT_TXPERR   | HME_SEB_STAT_TXLERR  | HME_SEB_STAT_TXEACK   |\
118	 HME_SEB_STAT_EOPERR   | HME_SEB_STAT_RXTERR  | HME_SEB_STAT_RXPERR   |\
119	 HME_SEB_STAT_RXLATERR | HME_SEB_STAT_RXERR   | HME_SEB_STAT_NORXD    |\
120	 HME_SEB_STAT_DTIMEXP  | HME_SEB_STAT_FCNTEXP | HME_SEB_STAT_LCCNTEXP |\
121	 HME_SEB_STAT_ECNTEXP  | HME_SEB_STAT_NCNTEXP |                        \
122	 HME_SEB_STAT_TFIFO_UND| HME_SEB_STAT_STSTERR | HME_SEB_STAT_CVCNTEXP |\
123	 HME_SEB_STAT_RFIFOVF  | HME_SEB_STAT_LCNTEXP | HME_SEB_STAT_CCNTEXP  |\
124	 HME_SEB_STAT_ACNTEXP)
125
126/*
127 * HME Transmitter register offsets
128 */
129#define HME_ETXI_PENDING	(0*4)		/* Pending/wakeup */
130#define HME_ETXI_CFG		(1*4)
131#define HME_ETXI_RING		(2*4)		/* Descriptor Ring pointer */
132#define HME_ETXI_BBASE		(3*4)		/* Buffer base address (ro) */
133#define HME_ETXI_BDISP		(4*4)		/* Buffer displacement (ro) */
134#define HME_ETXI_FIFO_WPTR	(5*4)		/* FIFO write pointer */
135#define HME_ETXI_FIFO_SWPTR	(6*4)		/* FIFO shadow write pointer */
136#define HME_ETXI_FIFO_RPTR	(7*4)		/* FIFO read pointer */
137#define HME_ETXI_FIFO_SRPTR	(8*4)		/* FIFO shadow read pointer */
138#define HME_ETXI_FIFO_PKTCNT	(9*4)		/* FIFO packet counter */
139#define HME_ETXI_STATEMACHINE	(10*4)		/* State machine */
140#define HME_ETXI_RSIZE		(11*4)		/* Ring size */
141#define HME_ETXI_BPTR		(12*4)		/* Buffer pointer */
142
143
144/* TXI_PENDING bits */
145#define HME_ETX_TP_DMAWAKEUP	0x00000001	/* Start tx (rw, auto-clear) */
146
147/* TXI_CFG bits */
148#define HME_ETX_CFG_DMAENABLE	0x00000001	/* Enable TX DMA */
149#define HME_ETX_CFG_FIFOTHRESH	0x000003fe	/* TX fifo threshold */
150#define HME_ETX_CFG_IRQDAFTER	0x00000400	/* Intr after tx-fifo empty */
151#define HME_ETX_CFG_IRQDBEFORE	0x00000000	/* Intr before tx-fifo empty */
152
153
154/*
155 * HME Receiver register offsets
156 */
157#define HME_ERXI_CFG		(0*4)
158#define HME_ERXI_RING		(1*4)		/* Descriptor Ring pointer */
159#define HME_ERXI_BPTR		(2*4)		/* Data Buffer pointer (ro) */
160#define HME_ERXI_FIFO_WPTR	(3*4)		/* FIFO write pointer */
161#define HME_ERXI_FIFO_SWPTR	(4*4)		/* FIFO shadow write pointer */
162#define HME_ERXI_FIFO_RPTR	(5*4)		/* FIFO read pointer */
163#define HME_ERXI_FIFO_SRPTR	(6*4)		/* FIFO shadow read pointer */
164#define HME_ERXI_STATEMACHINE	(7*4)		/* State machine */
165
166/* ERXI_CFG bits */
167#define HME_ERX_CFG_DMAENABLE	0x00000001	/* Enable RX DMA */
168#define HME_ERX_CFG_BYTEOFFSET	0x00000038	/* RX first byte offset */
169#define HME_ERX_CFG_RINGSIZE32	0x00000000	/* Descriptor ring size: 32 */
170#define HME_ERX_CFG_RINGSIZE64	0x00000200	/* Descriptor ring size: 64 */
171#define HME_ERX_CFG_RINGSIZE128	0x00000400	/* Descriptor ring size: 128 */
172#define HME_ERX_CFG_RINGSIZE256	0x00000600	/* Descriptor ring size: 256 */
173#define HME_ERX_CFG_CSUMSTART	0x007f0000	/* cksum offset (half words) */
174#define	HME_ERX_CFG_CSUMSHIFT	16
175
176/*
177 * HME MAC-core register offsets
178 */
179#define HME_MACI_XIF		(0*4)
180#define HME_MACI_TXSWRST	(130*4)		/* TX reset */
181#define HME_MACI_TXCFG		(131*4)		/* TX config */
182#define HME_MACI_JSIZE		(139*4)		/* TX jam size */
183#define HME_MACI_TXSIZE		(140*4)		/* TX max size */
184#define HME_MACI_NCCNT		(144*4)		/* TX normal collision cnt */
185#define HME_MACI_FCCNT		(145*4)		/* TX first collision cnt */
186#define HME_MACI_EXCNT		(146*4)		/* TX excess collision cnt */
187#define HME_MACI_LTCNT		(147*4)		/* TX late collision cnt */
188#define HME_MACI_RANDSEED	(148*4)		/*  */
189#define HME_MACI_RXSWRST	(194*4)		/* RX reset */
190#define HME_MACI_RXCFG		(195*4)		/* RX config */
191#define HME_MACI_RXSIZE		(196*4)		/* RX max size */
192#define HME_MACI_MACADDR2	(198*4)		/* MAC address */
193#define HME_MACI_MACADDR1	(199*4)
194#define HME_MACI_MACADDR0	(200*4)
195#define HME_MACI_HASHTAB3	(208*4)		/* Address hash table */
196#define HME_MACI_HASHTAB2	(209*4)
197#define HME_MACI_HASHTAB1	(210*4)
198#define HME_MACI_HASHTAB0	(211*4)
199#define HME_MACI_AFILTER2	(212*4)		/* Address filter */
200#define HME_MACI_AFILTER1	(213*4)
201#define HME_MACI_AFILTER0	(214*4)
202#define HME_MACI_AFILTER_MASK	(215*4)
203
204/* XIF config register. */
205#define HME_MAC_XIF_OE		0x00000001	/* Output driver enable */
206#define HME_MAC_XIF_XLBACK	0x00000002	/* Loopback-mode XIF enable */
207#define HME_MAC_XIF_MLBACK	0x00000004	/* Loopback-mode MII enable */
208#define HME_MAC_XIF_MIIENABLE	0x00000008	/* MII receive buffer enable */
209#define HME_MAC_XIF_SQENABLE	0x00000010	/* SQE test enable */
210#define HME_MAC_XIF_SQETWIN	0x000003e0	/* SQE time window */
211#define HME_MAC_XIF_LANCE	0x00000010	/* Lance mode enable */
212#define HME_MAC_XIF_LIPG0	0x000003e0	/* Lance mode IPG0 */
213#define HME_MAC_XIF_BITS	"\177\020"				\
214				"b\0OE\0b\1XLBACK\0b\2MLBACK\0"		\
215				"b\4MIIENA\0b\4SQEENA\0\0"
216
217/* Transmit config register. */
218#define HME_MAC_TXCFG_ENABLE	0x00000001	/* Enable the transmitter */
219#define HME_MAC_TXCFG_SMODE	0x00000020	/* Enable slow transmit mode */
220#define HME_MAC_TXCFG_CIGN	0x00000040	/* Ignore transmit collisions */
221#define HME_MAC_TXCFG_FCSOFF	0x00000080	/* Do not emit FCS */
222#define HME_MAC_TXCFG_DBACKOFF	0x00000100	/* Disable backoff */
223#define HME_MAC_TXCFG_FULLDPLX	0x00000200	/* Enable full-duplex */
224#define HME_MAC_TXCFG_DGIVEUP	0x00000400	/* Don't give up on transmits */
225#define HME_MAC_TXCFG_BITS	"\177\020"				\
226				"b\0ENA\0b\6SMODE\0b\7IGNCOLL\0"	\
227				"b\x8_FCSOFF\0b\x9_DBACKOFF\0"		\
228				"b\xa_FULLDPLX\0b\xc_DGIVEUP\0\0"
229
230/* Receive config register. */
231#define HME_MAC_RXCFG_ENABLE	0x00000001 /* Enable the receiver */
232#define HME_MAC_RXCFG_PSTRIP	0x00000020 /* Pad byte strip enable */
233#define HME_MAC_RXCFG_PMISC	0x00000040 /* Enable promiscuous mode */
234#define HME_MAC_RXCFG_DERR	0x00000080 /* Disable error checking */
235#define HME_MAC_RXCFG_DCRCS	0x00000100 /* Disable CRC stripping */
236#define HME_MAC_RXCFG_ME	0x00000200 /* Receive packets addressed to me */
237#define HME_MAC_RXCFG_PGRP	0x00000400 /* Enable promisc group mode */
238#define HME_MAC_RXCFG_HENABLE	0x00000800 /* Enable the hash filter */
239#define HME_MAC_RXCFG_AENABLE	0x00001000 /* Enable the address filter */
240#define HME_MAC_RXCFG_BITS	"\177\020"				\
241				"b\0ENA\0b\6PSTRIP\0b\7PMISC\0"		\
242				"b\x8ERRDIS\0b\x9CRCDIS\0b\xaME\0"	\
243				"b\xbPGRP\0b\xcHASHENA\0\xd_ADDRENA\0\0"
244
245/*
246 * HME MIF register offsets
247 */
248#define HME_MIFI_BB_CLK		(0*4)	/* bit-bang clock */
249#define HME_MIFI_BB_DATA	(1*4)	/* bit-bang data */
250#define HME_MIFI_BB_OE		(2*4)	/* bit-bang output enable */
251#define HME_MIFI_FO		(3*4)	/* frame output */
252#define HME_MIFI_CFG		(4*4)	/*  */
253#define HME_MIFI_IMASK		(5*4)	/* Interrupt mask for status change */
254#define HME_MIFI_STAT		(6*4)	/* Status (ro, auto-clear) */
255#define HME_MIFI_SM		(7*4)	/* State machine (ro) */
256
257/* MIF Configuration register */
258#define HME_MIF_CFG_PHY		0x00000001	/* PHY select */
259#define HME_MIF_CFG_PE		0x00000002	/* Poll enable */
260#define HME_MIF_CFG_BBMODE	0x00000004	/* Bit-bang mode */
261#define HME_MIF_CFG_PRADDR	0x000000f8	/* Poll register address */
262#define HME_MIF_CFG_MDI0	0x00000100	/* MDI_0 (ro) */
263#define HME_MIF_CFG_MDI1	0x00000200	/* MDI_1 (ro) */
264#define HME_MIF_CFG_PPADDR	0x00007c00	/* Poll phy address */
265#define HME_MIF_CFG_BITS	"\177\020"				\
266				"b\0PHYEXT\0b\1POLLENA\0b\3BBMODE\0"	\
267				"b\x8MDI0\0b\x9MDI1\0\0"
268
269/* MIF Frame/Output register */
270#define HME_MIF_FO_ST		0xc0000000	/* Start of frame */
271#define HME_MIF_FO_ST_SHIFT	30		/* */
272#define HME_MIF_FO_OPC		0x30000000	/* Opcode */
273#define HME_MIF_FO_OPC_SHIFT	28		/* */
274#define HME_MIF_FO_PHYAD	0x0f800000	/* PHY Address */
275#define HME_MIF_FO_PHYAD_SHIFT	23		/* */
276#define HME_MIF_FO_REGAD	0x007c0000	/* Register Address */
277#define HME_MIF_FO_REGAD_SHIFT	18		/* */
278#define HME_MIF_FO_TAMSB	0x00020000	/* Turn-around MSB */
279#define HME_MIF_FO_TALSB	0x00010000	/* Turn-around LSB */
280#define HME_MIF_FO_DATA		0x0000ffff	/* data to read or write */
281
282/* Wired HME PHY addresses */
283#define	HME_PHYAD_INTERNAL	1
284#define	HME_PHYAD_EXTERNAL	0
285
286/*
287 * Buffer Descriptors.
288 */
289#ifdef notdef
290struct hme_xd {
291	volatile uint32_t	xd_flags;
292	volatile uint32_t	xd_addr;	/* Buffer address (DMA) */
293};
294#endif
295#define HME_XD_SIZE			8
296#define HME_XD_FLAGS(b, i)		((char *)(b) + ((i) * HME_XD_SIZE) + 0)
297#define HME_XD_ADDR(b, i)		((char *)(b) + ((i) * HME_XD_SIZE) + 4)
298#define HME_XD_GETFLAGS(p, b, i)					\
299	(p) ? le32toh(*((uint32_t *)HME_XD_FLAGS(b,i))) :		\
300		(*((uint32_t *)HME_XD_FLAGS(b,i)))
301#define HME_XD_SETFLAGS(p, b, i, f)	do {				\
302	*((uint32_t *)HME_XD_FLAGS(b,i)) = ((p) ? htole32((f)) : (f));	\
303} while(/* CONSTCOND */ 0)
304#define HME_XD_SETADDR(p, b, i, a)	do {				\
305	*((uint32_t *)HME_XD_ADDR(b,i)) = ((p) ? htole32((a)) : (a));	\
306} while(/* CONSTCOND */ 0)
307
308/* Descriptor control word flag values */
309#define HME_XD_OWN	0x80000000	/* ownership: 1=hw, 0=sw */
310#define HME_XD_SOP	0x40000000	/* start of packet marker (tx) */
311#define HME_XD_OFL	0x40000000	/* buffer overflow (rx) */
312#define HME_XD_EOP	0x20000000	/* end of packet marker (tx) */
313#define	HME_XD_TXCKSUM	0x10000000	/* checksum enable (tx) */
314#define	HME_XD_TXCSSTUFF 0xff00000	/* checksum stuff offset (tx) */
315#define	HME_XD_TXCSSTUFFSHIFT  20
316#define	HME_XD_TXCSSTART 0x000fc000	/* checksum start offset (tx) */
317#define	HME_XD_TXCSSTARTSHIFT  14
318#define	HME_XD_TXLENMSK	0x00003fff	/* packet length mask (tx) */
319
320#define HME_XD_RXLENMSK	0x3fff0000	/* packet length mask (rx) */
321#define HME_XD_RXLENSHIFT	16
322#define HME_XD_RXCKSUM	0x0000ffff	/* packet checksum (rx), complement */
323
324/* Macros to encode/decode the receive buffer size from the flags field */
325#define HME_XD_ENCODE_RSIZE(sz)		\
326	(((sz) << HME_XD_RXLENSHIFT) & HME_XD_RXLENMSK)
327#define HME_XD_DECODE_RSIZE(flags)	\
328	(((flags) & HME_XD_RXLENMSK) >> HME_XD_RXLENSHIFT)
329
330/* Provide encode/decode macros for the transmit buffers for symmetry */
331#define HME_XD_ENCODE_TSIZE(sz)		\
332	(((sz) << 0) & HME_XD_TXLENMSK)
333#define HME_XD_DECODE_TSIZE(flags)	\
334	(((flags) & HME_XD_TXLENMSK) >> 0)
335
336