xref: /freebsd/sys/dev/smc/if_smcreg.h (revision 4436b51dff5736e74da464946049ea6899a88938)
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