1/*-
2 * Copyright (c) 2006 Benno Rice.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * $FreeBSD$
25 *
26 */
27
28#ifndef	_IF_SMCREG_H_
29#define	_IF_SMCREG_H_
30
31/* All Banks, Offset 0xe: Bank Select Register */
32#define	BSR			0xe
33#define	BSR_BANK_MASK		0x0007	/* Which bank is currently selected */
34#define	BSR_IDENTIFY		0x3300	/* Static value for identification */
35#define	BSR_IDENTIFY_MASK	0xff00
36
37/* Bank 0, Offset 0x0: Transmit Control Register */
38#define	TCR			0x0
39#define	TCR_TXENA		0x0001	/* Enable/disable transmitter */
40#define	TCR_LOOP		0x0002	/* Put the PHY into loopback mode */
41#define	TCR_FORCOL		0x0004	/* Force a collision */
42#define	TCR_PAD_EN		0x0080	/* Pad TX frames to 64 bytes */
43#define	TCR_NOCRC		0x0100	/* Disable/enable CRC */
44#define	TCR_MON_CSN		0x0400	/* Monitor carrier signal */
45#define	TCR_FDUPLX		0x0800	/* Enable/disable full duplex */
46#define	TCR_STP_SQET		0x1000	/* Stop TX on signal quality error */
47#define	TCR_EPH_LOOP		0x2000	/* Internal loopback */
48#define	TCR_SWFDUP		0x8000	/* Switched full duplex */
49
50/* Bank 0, Offset 0x2: EPH Status Register */
51#define	EPHSR			0x2
52#define	EPHSR_TX_SUC		0x0001	/* Last TX was successful */
53#define	EPHSR_SNGLCOL		0x0002	/* Single collision on last TX */
54#define	EPHSR_MULCOL		0x0004	/* Multiple collisions on last TX */
55#define	EPHSR_LTX_MULT		0x0008	/* Last TX was multicast */
56#define	EPHSR_16COL		0x0010	/* 16 collisions on last TX */
57#define	EPHSR_SQET		0x0020	/* Signal quality error test */
58#define	EPHSR_LTX_BRD		0x0040	/* Last TX was broadcast */
59#define	EPHSR_TX_DEFR		0x0080	/* Transmit deferred */
60#define	EPHSR_LATCOL		0x0200	/* Late collision on last TX */
61#define	EPHSR_LOST_CARR		0x0400	/* Lost carrier sense */
62#define	EPHSR_EXC_DEF		0x0800	/* Excessive deferral */
63#define	EPHSR_CTR_ROL		0x1000	/* Counter rollover */
64#define	EPHSR_LINK_OK		0x4000	/* Inverse of nLNK pin */
65#define	EPHSR_TXUNRN		0x8000	/* Transmit underrun */
66
67/* Bank 0, Offset 0x4: Receive Control Register */
68#define	RCR			0x4
69#define	RCR_RX_ABORT		0x0001	/* RX aborted */
70#define	RCR_PRMS		0x0002	/* Enable/disable promiscuous mode */
71#define	RCR_ALMUL		0x0004	/* Accept all multicast frames */
72#define	RCR_RXEN		0x0100	/* Enable/disable receiver */
73#define	RCR_STRIP_CRC		0x0200	/* Strip CRC from RX packets */
74#define	RCR_ABORT_ENB		0x2000	/* Abort RX on collision */
75#define	RCR_FILT_CAR		0x4000	/* Filter leading 12 bits of carrier */
76#define	RCR_SOFT_RST		0x8000	/* Software reset */
77
78/* Bank 0, Offset 0x6: Counter Register */
79#define	ECR			0x6
80#define	ECR_SNGLCOL_MASK	0x000f	/* Single collisions */
81#define	ECR_SNGLCOL_SHIFT	0
82#define	ECR_MULCOL_MASK		0x00f0	/* Multiple collisions */
83#define	ECR_MULCOL_SHIFT	4
84#define	ECR_TX_DEFR_MASK	0x0f00	/* Transmit deferrals */
85#define	ECR_TX_DEFR_SHIFT	8
86#define	ECR_EXC_DEF_MASK	0xf000	/* Excessive deferrals */
87#define	ECR_EXC_DEF_SHIFT	12
88
89/* Bank 0, Offset 0x8: Memory Information Register */
90#define	MIR			0x8
91#define	MIR_SIZE_MASK		0x00ff	/* Memory size (2k pages) */
92#define	MIR_SIZE_SHIFT		0
93#define	MIR_FREE_MASK		0xff00	/* Memory free (2k pages) */
94#define	MIR_FREE_SHIFT		8
95#define	MIR_PAGE_SIZE		2048
96
97/* Bank 0, Offset 0xa: Receive/PHY Control Reigster */
98#define	RPCR			0xa
99#define	RPCR_ANEG		0x0800	/* Put PHY in autonegotiation mode */
100#define	RPCR_DPLX		0x1000	/* Put PHY in full-duplex mode */
101#define	RPCR_SPEED		0x2000	/* Manual speed selection */
102#define	RPCR_LSA_MASK		0x00e0	/* Select LED A function */
103#define	RPCR_LSA_SHIFT		5
104#define	RPCR_LSB_MASK		0x001c	/* Select LED B function */
105#define	RPCR_LSB_SHIFT		2
106#define	RPCR_LED_LINK_ANY	0x0	/* 10baseT or 100baseTX link detected */
107#define	RPCR_LED_LINK_10	0x2	/* 10baseT link detected */
108#define	RPCR_LED_LINK_FDX	0x3	/* Full-duplex link detected */
109#define	RPCR_LED_LINK_100	0x5	/* 100baseTX link detected */
110#define	RPCR_LED_ACT_ANY	0x4	/* TX or RX activity detected */
111#define	RPCR_LED_ACT_RX		0x6	/* RX activity detected */
112#define	RPCR_LED_ACT_TX		0x7	/* TX activity detected */
113
114/* Bank 1, Offset 0x0: Configuration Register */
115#define	CR			0x0
116#define	CR_EXT_PHY		0x0200	/* Enable/disable external PHY */
117#define	CR_GPCNTRL		0x0400	/* Inverse drives nCNTRL pin */
118#define	CR_NO_WAIT		0x1000	/* Do not request additional waits */
119#define	CR_EPH_POWER_EN		0x8000	/* Disable/enable low power mode */
120
121/* Bank 1, Offset 0x2: Base Address Register */
122#define	BAR			0x2
123#define	BAR_HIGH_MASK		0xe000
124#define	BAR_LOW_MASK		0x1f00
125#define	BAR_LOW_SHIFT		4
126#define	BAR_ADDRESS(val)	\
127	((val & BAR_HIGH_MASK) | ((val & BAR_LOW_MASK) >> BAR_LOW_SHIFT))
128
129/* Bank 1, Offsets 0x4: Individual Address Registers */
130#define	IAR0			0x4
131#define	IAR1			0x5
132#define	IAR2			0x6
133#define	IAR3			0x7
134#define	IAR4			0x8
135#define	IAR5			0x9
136
137/* Bank 1, Offset 0xa: General Purpose Register */
138#define	GPR			0xa
139
140/* Bank 1, Offset 0xc: Control Register */
141#define	CTR			0xa
142#define	CTR_STORE		0x0001	/* Store registers to EEPROM */
143#define	CTR_RELOAD		0x0002	/* Reload registers from EEPROM */
144#define	CTR_EEPROM_SELECT	0x0004	/* Select registers to store/reload */
145#define	CTR_TE_ENABLE		0x0020	/* TX error causes EPH interrupt */
146#define	CTR_CR_ENABLE		0x0040	/* Ctr rollover causes EPH interrupt */
147#define	CTR_LE_ENABLE		0x0080	/* Link error causes EPH interrupt */
148#define	CTR_AUTO_RELEASE	0x0800	/* Automatically release TX packets */
149#define	CTR_RCV_BAD		0x4000	/* Receive/discard bad CRC packets */
150
151/* Bank 2, Offset 0x0: MMU Command Register */
152#define	MMUCR			0x0
153#define	MMUCR_BUSY		0x0001	/* MMU is busy */
154#define	MMUCR_CMD_NOOP		(0<<5)	/* No operation */
155#define	MMUCR_CMD_TX_ALLOC	(1<<5)	/* Alloc TX memory (256b chunks) */
156#define	MMUCR_CMD_MMU_RESET	(2<<5)	/* Reset MMU */
157#define	MMUCR_CMD_REMOVE	(3<<5)	/* Remove frame from RX FIFO */
158#define	MMUCR_CMD_RELEASE	(4<<5)	/* Remove and release from RX FIFO */
159#define	MMUCR_CMD_RELEASE_PKT	(5<<5)	/* Release packet specified in PNR */
160#define	MMUCR_CMD_ENQUEUE	(6<<5)	/* Enqueue packet for TX */
161#define	MMUCR_CMD_TX_RESET	(7<<5)	/* Reset TX FIFOs */
162
163/* Bank 2, Offset 0x2: Packet Number Register */
164#define	PNR			0x2
165#define	PNR_MASK		0x3fff
166
167/* Bank 2, Offset 0x3: Allocation Result Register */
168#define	ARR			0x3
169#define	ARR_FAILED		0x8000	/* Last allocation request failed */
170#define	ARR_MASK		0x3000
171
172/* Bank 2, Offset 0x4: FIFO Ports Register */
173#define	FIFO_TX			0x4
174#define	FIFO_RX			0x5
175#define	FIFO_EMPTY		0x80	/* FIFO empty */
176#define	FIFO_PACKET_MASK	0x3f	/* Packet number mask */
177
178/* Bank 2, Offset 0x6: Pointer Register */
179#define	PTR			0x6
180#define	PTR_MASK		0x07ff	/* Address accessible within TX/RX */
181#define	PTR_NOT_EMPTY		0x0800	/* Write Data FIFO not empty */
182#define	PTR_ETEN		0x1000	/* Enable early TX underrun detection */
183#define	PTR_READ		0x2000	/* Set read/write */
184#define	PTR_AUTO_INCR		0x4000	/* Auto increment on read/write */
185#define	PTR_RCV			0x8000	/* Read/write to/from RX/TX */
186
187/* Bank 2, Offset 0x8: Data Registers */
188#define	DATA0			0x8
189#define	DATA1			0xa
190
191/* Bank 2, Offset 0xc: Interrupt Status Registers */
192#define	IST			0xc	/* read only */
193#define	ACK			0xc	/* write only */
194#define	MSK			0xd
195
196#define	RCV_INT			0x0001	/* RX */
197#define	TX_INT			0x0002	/* TX */
198#define	TX_EMPTY_INT		0x0004	/* TX empty */
199#define	ALLOC_INT		0x0008	/* Allocation complete */
200#define	RX_OVRN_INT		0x0010	/* RX overrun */
201#define	EPH_INT			0x0020	/* EPH interrupt */
202#define	ERCV_INT		0x0040	/* Early RX */
203#define	MD_INT			0x0080	/* MII */
204
205#define	IST_PRINTF		"\20\01RCV\02TX\03TX_EMPTY\04ALLOC" \
206				"\05RX_OVRN\06EPH\07ERCV\10MD"
207
208/* Bank 3, Offset 0x0: Multicast Table Registers */
209#define	MT			0x0
210
211/* Bank 3, Offset 0x8: Management Interface */
212#define	MGMT			0x8
213#define	MGMT_MDO		0x0001	/* MII management output */
214#define	MGMT_MDI		0x0002	/* MII management input */
215#define	MGMT_MCLK		0x0004	/* MII management clock */
216#define	MGMT_MDOE		0x0008	/* MII management output enable */
217#define	MGMT_MSK_CRS100		0x4000	/* Disable CRS100 detection during TX */
218
219/* Bank 3, Offset 0xa: Revision Register */
220#define	REV			0xa
221#define	REV_CHIP_MASK		0x00f0	/* Chip ID */
222#define	REV_CHIP_SHIFT		4
223#define	REV_REV_MASK		0x000f	/* Revision ID */
224#define	REV_REV_SHIFT		0
225
226#define	REV_CHIP_9192		3
227#define	REV_CHIP_9194		4
228#define	REV_CHIP_9195		5
229#define	REV_CHIP_9196		6
230#define	REV_CHIP_91100		7
231#define	REV_CHIP_91100FD	8
232#define	REV_CHIP_91110FD	9
233
234/* Bank 3, Offset 0xc: Early RCV Register */
235#define	ERCV			0xc
236#define	ERCV_THRESHOLD_MASK	0x001f	/* ERCV int threshold (64b chunks) */
237#define	ERCV_RCV_DISCARD	0x0080	/* Discard packet being received */
238
239/* Control Byte */
240#define	CTRL_CRC		0x10	/* Frame has CRC */
241#define	CTRL_ODD		0x20	/* Frame has odd byte count */
242
243/* Receive Frame Status */
244#define	RX_MULTCAST		0x0001	/* Frame was multicast */
245#define	RX_HASH_MASK		0x007e	/* Hash value for multicast */
246#define	RX_HASH_SHIFT		1
247#define	RX_TOOSHORT		0x0400	/* Frame was too short */
248#define	RX_TOOLNG		0x0800	/* Frame was too long */
249#define	RX_ODDFRM		0x1000	/* Frame has odd number of bytes */
250#define	RX_BADCRC		0x2000	/* Frame failed CRC */
251#define	RX_BROADCAST		0x4000	/* Frame was broadcast */
252#define	RX_ALGNERR		0x8000	/* Frame had alignment error */
253#define	RX_LEN_MASK		0x07ff
254
255/* Length of status word + byte count + control bytes for packets */
256#define	PKT_CTRL_DATA_LEN	6
257
258/* Number of times to spin on TX allocations */
259#define	TX_ALLOC_WAIT_TIME	1000
260
261#endif /* IF_SMCREG_H_ */
262