xref: /freebsd/sys/dev/ffec/if_ffecreg.h (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2013 Ian Lepore <ian@freebsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  */
29 
30 #ifndef IF_FFECREG_H
31 #define IF_FFECREG_H
32 
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35 
36 /*
37  * Hardware defines for Freescale Fast Ethernet Controller.
38  */
39 
40 /*
41  * MAC registers.
42  */
43 #define	FEC_IER_REG			0x0004
44 #define	FEC_IEM_REG			0x0008
45 #define	  FEC_IER_HBERR			  (1U << 31)
46 #define	  FEC_IER_BABR			  (1 << 30)
47 #define	  FEC_IER_BABT			  (1 << 29)
48 #define	  FEC_IER_GRA			  (1 << 28)
49 #define	  FEC_IER_TXF			  (1 << 27)
50 #define	  FEC_IER_TXB			  (1 << 26)
51 #define	  FEC_IER_RXF			  (1 << 25)
52 #define	  FEC_IER_RXB			  (1 << 24)
53 #define	  FEC_IER_MII			  (1 << 23)
54 #define	  FEC_IER_EBERR			  (1 << 22)
55 #define	  FEC_IER_LC			  (1 << 21)
56 #define	  FEC_IER_RL			  (1 << 20)
57 #define	  FEC_IER_UN			  (1 << 19)
58 #define	  FEC_IER_PLR			  (1 << 18)
59 #define	  FEC_IER_WAKEUP		  (1 << 17)
60 #define	  FEC_IER_AVAIL			  (1 << 16)
61 #define	  FEC_IER_TIMER			  (1 << 15)
62 
63 #define	FEC_RDAR_REG			0x0010
64 #define	  FEC_RDAR_RDAR			  (1 << 24)
65 
66 #define	FEC_TDAR_REG			0x0014
67 #define	  FEC_TDAR_TDAR			  (1 << 24)
68 
69 #define	FEC_ECR_REG			0x0024
70 #define	  FEC_ECR_DBSWP			  (1 <<  8)
71 #define	  FEC_ECR_STOPEN		  (1 <<  7)
72 #define	  FEC_ECR_DBGEN			  (1 <<  6)
73 #define	  FEC_ECR_SPEED			  (1 <<  5)
74 #define	  FEC_ECR_EN1588		  (1 <<  4)
75 #define	  FEC_ECR_SLEEP			  (1 <<  3)
76 #define	  FEC_ECR_MAGICEN		  (1 <<  2)
77 #define	  FEC_ECR_ETHEREN		  (1 <<  1)
78 #define	  FEC_ECR_RESET			  (1 <<  0)
79 
80 #define	FEC_MMFR_REG			0x0040
81 #define	  FEC_MMFR_ST_SHIFT		  30
82 #define	  FEC_MMFR_ST_VALUE		  (0x01 << FEC_MMFR_ST_SHIFT)
83 #define	  FEC_MMFR_OP_SHIFT		  28
84 #define	  FEC_MMFR_OP_WRITE		  (0x01 << FEC_MMFR_OP_SHIFT)
85 #define	  FEC_MMFR_OP_READ		  (0x02 << FEC_MMFR_OP_SHIFT)
86 #define	  FEC_MMFR_PA_SHIFT		  23
87 #define	  FEC_MMFR_PA_MASK		  (0x1f << FEC_MMFR_PA_SHIFT)
88 #define	  FEC_MMFR_RA_SHIFT		  18
89 #define	  FEC_MMFR_RA_MASK		  (0x1f << FEC_MMFR_RA_SHIFT)
90 #define	  FEC_MMFR_TA_SHIFT		  16
91 #define	  FEC_MMFR_TA_VALUE		  (0x02 << FEC_MMFR_TA_SHIFT)
92 #define	  FEC_MMFR_DATA_SHIFT		  0
93 #define	  FEC_MMFR_DATA_MASK		  (0xffff << FEC_MMFR_DATA_SHIFT)
94 
95 #define	FEC_MSCR_REG			0x0044
96 #define	  FEC_MSCR_HOLDTIME_SHIFT	  8
97 #define	  FEC_MSCR_HOLDTIME_MASK	  (0x07 << FEC_MSCR_HOLDTIME_SHIFT)
98 #define	  FEC_MSCR_DIS_PRE      	  (1 <<  7)
99 #define	  FEC_MSCR_MII_SPEED_SHIFT	  1
100 #define	  FEC_MSCR_MII_SPEED_MASk	  (0x3f << FEC_MSCR_MII_SPEED_SHIFT)
101 
102 #define	FEC_MIBC_REG			0x0064
103 #define	  FEC_MIBC_DIS			  (1U << 31)
104 #define	  FEC_MIBC_IDLE			  (1 << 30)
105 #define	  FEC_MIBC_CLEAR		  (1 << 29) /* imx6 only */
106 
107 #define	FEC_RCR_REG			0x0084
108 #define	  FEC_RCR_GRS			  (1U << 31)
109 #define	  FEC_RCR_NLC			  (1 << 30)
110 #define	  FEC_RCR_MAX_FL_SHIFT		  16
111 #define	  FEC_RCR_MAX_FL_MASK		  (0x3fff << FEC_RCR_MAX_FL_SHIFT)
112 #define	  FEC_RCR_CFEN			  (1 << 15)
113 #define	  FEC_RCR_CRCFWD		  (1 << 14)
114 #define	  FEC_RCR_PAUFWD		  (1 << 13)
115 #define	  FEC_RCR_PADEN			  (1 << 12)
116 #define	  FEC_RCR_RMII_10T		  (1 <<  9)
117 #define	  FEC_RCR_RMII_MODE		  (1 <<  8)
118 #define	  FEC_RCR_RGMII_EN		  (1 <<  6)
119 #define	  FEC_RCR_FCE			  (1 <<  5)
120 #define	  FEC_RCR_BC_REJ		  (1 <<  4)
121 #define	  FEC_RCR_PROM			  (1 <<  3)
122 #define	  FEC_RCR_MII_MODE		  (1 <<  2)
123 #define	  FEC_RCR_DRT			  (1 <<  1)
124 #define	  FEC_RCR_LOOP			  (1 <<  0)
125 
126 #define	FEC_TCR_REG			0x00c4
127 #define	  FEC_TCR_ADDINS		  (1 <<  9)
128 #define	  FEC_TCR_ADDSEL_SHIFT		  5
129 #define	  FEC_TCR_ADDSEL_MASK		  (0x07 << FEC_TCR_ADDSEL_SHIFT)
130 #define	  FEC_TCR_RFC_PAUSE		  (1 <<  4)
131 #define	  FEC_TCR_TFC_PAUSE		  (1 <<  3)
132 #define	  FEC_TCR_FDEN			  (1 <<  2)
133 #define	  FEC_TCR_GTS			  (1 <<  0)
134 
135 #define	FEC_PALR_REG			0x00e4
136 #define	  FEC_PALR_PADDR1_SHIFT		  0
137 #define	  FEC_PALR_PADDR1_MASK		  (0xffffffff << FEC_PALR_PADDR1_SHIFT)
138 
139 #define	FEC_PAUR_REG			0x00e8
140 #define	  FEC_PAUR_PADDR2_SHIFT		  16
141 #define	  FEC_PAUR_PADDR2_MASK		  (0xffff << FEC_PAUR_PADDR2_SHIFT)
142 #define	  FEC_PAUR_TYPE_VALUE		  (0x8808)
143 
144 #define	FEC_OPD_REG			0x00ec
145 #define	  FEC_OPD_PAUSE_DUR_SHIFT	  0
146 #define	  FEC_OPD_PAUSE_DUR_MASK	  (0xffff << FEC_OPD_PAUSE_DUR_SHIFT)
147 
148 #define	FEC_IAUR_REG			0x0118
149 #define	FEC_IALR_REG			0x011c
150 
151 #define	FEC_GAUR_REG			0x0120
152 #define	FEC_GALR_REG			0x0124
153 
154 #define	FEC_TFWR_REG			0x0144
155 #define	  FEC_TFWR_STRFWD		  (1 <<  8)
156 #define	  FEC_TFWR_TWFR_SHIFT		  0
157 #define	  FEC_TFWR_TWFR_MASK		  (0x3f << FEC_TFWR_TWFR_SHIFT)
158 #define	  FEC_TFWR_TWFR_128BYTE		  (0x02 << FEC_TFWR_TWFR_SHIFT)
159 
160 #define	FEC_RDSR_REG			0x0180
161 
162 #define	FEC_TDSR_REG			0x0184
163 
164 #define	FEC_MRBR_REG			0x0188
165 #define	  FEC_MRBR_R_BUF_SIZE_SHIFT	  0
166 #define	  FEC_MRBR_R_BUF_SIZE_MASK	  (0x3fff << FEC_MRBR_R_BUF_SIZE_SHIFT)
167 
168 #define	FEC_RSFL_REG			0x0190
169 #define	FEC_RSEM_REG			0x0194
170 #define	FEC_RAEM_REG			0x0198
171 #define	FEC_RAFL_REG			0x019c
172 #define	FEC_TSEM_REG			0x01a0
173 #define	FEC_TAEM_REG			0x01a4
174 #define	FEC_TAFL_REG			0x01a8
175 #define	FEC_TIPG_REG			0x01ac
176 #define	FEC_FTRL_REG			0x01b0
177 
178 #define	FEC_TACC_REG			0x01c0
179 #define	  FEC_TACC_PROCHK		  (1 <<  4)
180 #define	  FEC_TACC_IPCHK		  (1 <<  3)
181 #define	  FEC_TACC_SHIFT16		  (1 <<  0)
182 
183 #define	FEC_RACC_REG			0x01c4
184 #define	  FEC_RACC_SHIFT16		  (1 <<  7)
185 #define	  FEC_RACC_LINEDIS		  (1 <<  6)
186 #define	  FEC_RACC_PRODIS		  (1 <<  2)
187 #define	  FEC_RACC_IPDIS		  (1 <<  1)
188 #define	  FEC_RACC_PADREM		  (1 <<  0)
189 
190 /*
191  * IEEE-1588 timer registers
192  */
193 
194 #define	FEC_ATCR_REG			0x0400
195 #define	  FEC_ATCR_SLAVE		  (1u << 13)
196 #define	  FEC_ATCR_CAPTURE		  (1u << 11)
197 #define	  FEC_ATCR_RESTART		  (1u << 9)
198 #define	  FEC_ATCR_PINPER		  (1u << 7)
199 #define	  FEC_ATCR_PEREN		  (1u << 4)
200 #define	  FEC_ATCR_OFFRST		  (1u << 3)
201 #define	  FEC_ATCR_OFFEN		  (1u << 2)
202 #define	  FEC_ATCR_EN			  (1u << 0)
203 
204 #define	FEC_ATVR_REG			0x0404
205 #define	FEC_ATOFF_REG			0x0408
206 #define	FEC_ATPER_REG			0x040c
207 #define	FEC_ATCOR_REG			0x0410
208 #define	FEC_ATINC_REG			0x0414
209 #define	FEC_ATSTMP_REG			0x0418
210 
211 /*
212  * Statistics registers
213  */
214 #define	FEC_RMON_T_DROP			0x200
215 #define	FEC_RMON_T_PACKETS		0x204
216 #define	FEC_RMON_T_BC_PKT		0x208
217 #define	FEC_RMON_T_MC_PKT		0x20C
218 #define	FEC_RMON_T_CRC_ALIGN		0x210
219 #define	FEC_RMON_T_UNDERSIZE		0x214
220 #define	FEC_RMON_T_OVERSIZE		0x218
221 #define	FEC_RMON_T_FRAG			0x21C
222 #define	FEC_RMON_T_JAB			0x220
223 #define	FEC_RMON_T_COL			0x224
224 #define	FEC_RMON_T_P64			0x228
225 #define	FEC_RMON_T_P65TO127		0x22C
226 #define	FEC_RMON_T_P128TO255		0x230
227 #define	FEC_RMON_T_P256TO511		0x234
228 #define	FEC_RMON_T_P512TO1023		0x238
229 #define	FEC_RMON_T_P1024TO2047		0x23C
230 #define	FEC_RMON_T_P_GTE2048		0x240
231 #define	FEC_RMON_T_OCTECTS		0x240
232 #define	FEC_IEEE_T_DROP			0x248
233 #define	FEC_IEEE_T_FRAME_OK		0x24C
234 #define	FEC_IEEE_T_1COL			0x250
235 #define	FEC_IEEE_T_MCOL			0x254
236 #define	FEC_IEEE_T_DEF			0x258
237 #define	FEC_IEEE_T_LCOL			0x25C
238 #define	FEC_IEEE_T_EXCOL		0x260
239 #define	FEC_IEEE_T_MACERR		0x264
240 #define	FEC_IEEE_T_CSERR		0x268
241 #define	FEC_IEEE_T_SQE			0x26C
242 #define	FEC_IEEE_T_FDXFC		0x270
243 #define	FEC_IEEE_T_OCTETS_OK		0x274
244 #define	FEC_RMON_R_PACKETS		0x284
245 #define	FEC_RMON_R_BC_PKT		0x288
246 #define	FEC_RMON_R_MC_PKT		0x28C
247 #define	FEC_RMON_R_CRC_ALIGN		0x290
248 #define	FEC_RMON_R_UNDERSIZE		0x294
249 #define	FEC_RMON_R_OVERSIZE		0x298
250 #define	FEC_RMON_R_FRAG			0x29C
251 #define	FEC_RMON_R_JAB			0x2A0
252 #define	FEC_RMON_R_RESVD_0		0x2A4
253 #define	FEC_RMON_R_P64			0x2A8
254 #define	FEC_RMON_R_P65TO127		0x2AC
255 #define	FEC_RMON_R_P128TO255		0x2B0
256 #define	FEC_RMON_R_P256TO511		0x2B4
257 #define	FEC_RMON_R_P512TO1023		0x2B8
258 #define	FEC_RMON_R_P1024TO2047		0x2BC
259 #define	FEC_RMON_R_P_GTE2048		0x2C0
260 #define	FEC_RMON_R_OCTETS		0x2C4
261 #define	FEC_IEEE_R_DROP			0x2C8
262 #define	FEC_IEEE_R_FRAME_OK		0x2CC
263 #define	FEC_IEEE_R_CRC			0x2D0
264 #define	FEC_IEEE_R_ALIGN		0x2D4
265 #define	FEC_IEEE_R_MACERR		0x2D8
266 #define	FEC_IEEE_R_FDXFC		0x2DC
267 #define	FEC_IEEE_R_OCTETS_OK		0x2E0
268 
269 #define	FEC_MIIGSK_CFGR			0x300
270 #define	FEC_MIIGSK_CFGR_FRCONT		(1 << 6)   /* Freq: 0=50MHz, 1=5MHz */
271 #define	FEC_MIIGSK_CFGR_LBMODE		(1 << 4)   /* loopback mode */
272 #define	FEC_MIIGSK_CFGR_EMODE		(1 << 3)   /* echo mode */
273 #define	FEC_MIIGSK_CFGR_IF_MODE_MASK	(0x3 << 0)
274 #define	FEC_MIIGSK_CFGR_IF_MODE_MII	  (0 << 0)
275 #define	FEC_MIIGSK_CFGR_IF_MODE_RMII	  (1 << 0)
276 
277 #define	FEC_MIIGSK_ENR			0x308
278 #define	FEC_MIIGSK_ENR_READY		(1 << 2)
279 #define	FEC_MIIGSK_ENR_EN		(1 << 1)
280 
281 /*
282  * A hardware buffer descriptor.  Rx and Tx buffers have the same descriptor
283  * layout, but the bits in the flags field have different meanings.
284  */
285 struct ffec_hwdesc
286 {
287 	uint32_t	flags_len;
288 	uint32_t	buf_paddr;
289 };
290 
291 #define	FEC_TXDESC_READY		(1U << 31)
292 #define	FEC_TXDESC_T01			(1 << 30)
293 #define	FEC_TXDESC_WRAP			(1 << 29)
294 #define	FEC_TXDESC_T02			(1 << 28)
295 #define	FEC_TXDESC_L			(1 << 27)
296 #define	FEC_TXDESC_TC			(1 << 26)
297 #define	FEC_TXDESC_ABC			(1 << 25)
298 #define	FEC_TXDESC_LEN_MASK		(0xffff)
299 
300 #define	FEC_RXDESC_EMPTY		(1U << 31)
301 #define	FEC_RXDESC_R01			(1 << 30)
302 #define	FEC_RXDESC_WRAP			(1 << 29)
303 #define	FEC_RXDESC_R02			(1 << 28)
304 #define	FEC_RXDESC_L			(1 << 27)
305 #define	FEC_RXDESC_M			(1 << 24)
306 #define	FEC_RXDESC_BC			(1 << 23)
307 #define	FEC_RXDESC_MC			(1 << 22)
308 #define	FEC_RXDESC_LG			(1 << 21)
309 #define	FEC_RXDESC_NO			(1 << 20)
310 #define	FEC_RXDESC_CR			(1 << 18)
311 #define	FEC_RXDESC_OV			(1 << 17)
312 #define	FEC_RXDESC_TR			(1 << 16)
313 #define	FEC_RXDESC_LEN_MASK		(0xffff)
314 
315 #define	FEC_RXDESC_ERROR_BITS	(FEC_RXDESC_LG | FEC_RXDESC_NO | \
316     FEC_RXDESC_OV | FEC_RXDESC_TR)
317 
318 /*
319  * The hardware imposes alignment restrictions on various objects involved in
320  * DMA transfers.  These values are expressed in bytes (not bits).
321  */
322 #define	FEC_DESC_RING_ALIGN		64
323 
324 #endif	/* IF_FFECREG_H */
325