1 /*        $NetBSD: if_alereg.h,v 1.4 2024/02/09 22:08:35 andvar Exp $ */
2 /*        $OpenBSD: if_alereg.h,v 1.2 2011/05/20 08:36:55 kevlo Exp $ */
3 
4 /*-
5  * Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice unmodified, this list of conditions, and the following
13  *    disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD: src/sys/dev/ale/if_alereg.h,v 1.1 2008/11/12 09:52:06 yongari Exp $
31  */
32 
33 #ifndef   _IF_ALEREG_H
34 #define   _IF_ALEREG_H
35 
36 #define ALE_PCIR_BAR                              0x10
37 
38 #define   ALE_SPI_CTRL                            0x200
39 #define   SPI_VPD_ENB                             0x00002000
40 
41 #define   ALE_SPI_ADDR                            0x204     /* 16bits */
42 
43 #define   ALE_SPI_DATA                            0x208
44 
45 #define   ALE_SPI_CONFIG                          0x20C
46 
47 #define   ALE_SPI_OP_PROGRAM            0x210     /* 8bits */
48 
49 #define   ALE_SPI_OP_SC_ERASE           0x211     /* 8bits */
50 
51 #define   ALE_SPI_OP_CHIP_ERASE                   0x212     /* 8bits */
52 
53 #define   ALE_SPI_OP_RDID                         0x213     /* 8bits */
54 
55 #define   ALE_SPI_OP_WREN                         0x214     /* 8bits */
56 
57 #define   ALE_SPI_OP_RDSR                         0x215     /* 8bits */
58 
59 #define   ALE_SPI_OP_WRSR                         0x216     /* 8bits */
60 
61 #define   ALE_SPI_OP_READ                         0x217     /* 8bits */
62 
63 #define   ALE_TWSI_CTRL                           0x218
64 #define   TWSI_CTRL_SW_LD_START                   0x00000800
65 #define   TWSI_CTRL_HW_LD_START                   0x00001000
66 #define   TWSI_CTRL_LD_EXIST            0x00400000
67 
68 #define ALE_DEV_MISC_CTRL               0x21C
69 
70 #define   ALE_PCIE_PHYMISC              0x1000
71 #define   PCIE_PHYMISC_FORCE_RCV_DET    0x00000004
72 
73 #define   ALE_MASTER_CFG                          0x1400
74 #define   MASTER_RESET                            0x00000001
75 #define   MASTER_MTIMER_ENB             0x00000002
76 #define   MASTER_IM_TX_TIMER_ENB                  0x00000004
77 #define   MASTER_MANUAL_INT_ENB                   0x00000008
78 #define   MASTER_IM_RX_TIMER_ENB                  0x00000020
79 #define   MASTER_INT_RDCLR              0x00000040
80 #define   MASTER_LED_MODE                         0x00000200
81 #define   MASTER_CHIP_REV_MASK                    0x00FF0000
82 #define   MASTER_CHIP_ID_MASK           0xFF000000
83 #define   MASTER_CHIP_REV_SHIFT                   16
84 #define   MASTER_CHIP_ID_SHIFT                    24
85 
86 /* Number of ticks per usec for AR81xx. */
87 #define   ALE_TICK_USECS                          2
88 #define   ALE_USECS(x)                            ((x) / ALE_TICK_USECS)
89 
90 #define   ALE_MANUAL_TIMER              0x1404
91 
92 #define   ALE_IM_TIMER                            0x1408
93 #define   IM_TIMER_TX_MASK              0x0000FFFF
94 #define   IM_TIMER_RX_MASK              0xFFFF0000
95 #define   IM_TIMER_TX_SHIFT             0
96 #define   IM_TIMER_RX_SHIFT             16
97 #define   ALE_IM_TIMER_MIN              0
98 #define   ALE_IM_TIMER_MAX              130000    /* 130ms */
99 #define   ALE_IM_RX_TIMER_DEFAULT                 30
100 #define   ALE_IM_TX_TIMER_DEFAULT                 1000
101 
102 #define   ALE_GPHY_CTRL                           0x140C    /* 16bits */
103 #define   GPHY_CTRL_EXT_RESET           0x0001
104 #define   GPHY_CTRL_PIPE_MOD            0x0002
105 #define   GPHY_CTRL_BERT_START                    0x0010
106 #define   GPHY_CTRL_GALE_25M_ENB                  0x0020
107 #define   GPHY_CTRL_LPW_EXIT            0x0040
108 #define   GPHY_CTRL_PHY_IDDQ            0x0080
109 #define   GPHY_CTRL_PHY_IDDQ_DIS                  0x0100
110 #define   GPHY_CTRL_PCLK_SEL_DIS                  0x0200
111 #define   GPHY_CTRL_HIB_EN              0x0400
112 #define   GPHY_CTRL_HIB_PULSE           0x0800
113 #define   GPHY_CTRL_SEL_ANA_RESET                 0x1000
114 #define   GPHY_CTRL_PHY_PLL_ON                    0x2000
115 #define   GPHY_CTRL_PWDOWN_HW           0x4000
116 
117 #define   ALE_INTR_CLR_TIMER            0x140E    /* 16bits */
118 
119 #define   ALE_IDLE_STATUS                         0x1410
120 #define   IDLE_STATUS_RXMAC             0x00000001
121 #define   IDLE_STATUS_TXMAC             0x00000002
122 #define   IDLE_STATUS_RXQ                         0x00000004
123 #define   IDLE_STATUS_TXQ                         0x00000008
124 #define   IDLE_STATUS_DMARD             0x00000010
125 #define   IDLE_STATUS_DMAWR             0x00000020
126 #define   IDLE_STATUS_SMB                         0x00000040
127 #define   IDLE_STATUS_CMB                         0x00000080
128 
129 #define   ALE_MDIO                      0x1414
130 #define   MDIO_DATA_MASK                          0x0000FFFF
131 #define   MDIO_REG_ADDR_MASK            0x001F0000
132 #define   MDIO_OP_READ                            0x00200000
133 #define   MDIO_OP_WRITE                           0x00000000
134 #define   MDIO_SUP_PREAMBLE             0x00400000
135 #define   MDIO_OP_EXECUTE                         0x00800000
136 #define   MDIO_CLK_25_4                           0x00000000
137 #define   MDIO_CLK_25_6                           0x02000000
138 #define   MDIO_CLK_25_8                           0x03000000
139 #define   MDIO_CLK_25_10                          0x04000000
140 #define   MDIO_CLK_25_14                          0x05000000
141 #define   MDIO_CLK_25_20                          0x06000000
142 #define   MDIO_CLK_25_28                          0x07000000
143 #define   MDIO_OP_BUSY                            0x08000000
144 #define   MDIO_DATA_SHIFT                         0
145 #define   MDIO_REG_ADDR_SHIFT           16
146 
147 #define   MDIO_REG_ADDR(x)    \
148           (((x) << MDIO_REG_ADDR_SHIFT) & MDIO_REG_ADDR_MASK)
149 /* Default PHY address. */
150 #define   ALE_PHY_ADDR                            0
151 
152 #define   ALE_PHY_STATUS                          0x1418
153 #define   PHY_STATUS_100M                         0x00020000
154 
155 /* Packet memory BIST. */
156 #define   ALE_BIST0                     0x141C
157 #define   BIST0_ENB                     0x00000001
158 #define   BIST0_SRAM_FAIL                         0x00000002
159 #define   BIST0_FUSE_FLAG                         0x00000004
160 
161 /* PCIe retry buffer BIST. */
162 #define   ALE_BIST1                     0x1420
163 #define   BIST1_ENB                     0x00000001
164 #define   BIST1_SRAM_FAIL                         0x00000002
165 #define   BIST1_FUSE_FLAG                         0x00000004
166 
167 #define   ALE_SERDES_LOCK                         0x1424
168 #define   SERDES_LOCK_DET                         0x00000001
169 #define   SERDES_LOCK_DET_ENB           0x00000002
170 
171 #define   ALE_MAC_CFG                             0x1480
172 #define   MAC_CFG_TX_ENB                          0x00000001
173 #define   MAC_CFG_RX_ENB                          0x00000002
174 #define   MAC_CFG_TX_FC                           0x00000004
175 #define   MAC_CFG_RX_FC                           0x00000008
176 #define   MAC_CFG_LOOP                            0x00000010
177 #define   MAC_CFG_FULL_DUPLEX           0x00000020
178 #define   MAC_CFG_TX_CRC_ENB            0x00000040
179 #define   MAC_CFG_TX_AUTO_PAD           0x00000080
180 #define   MAC_CFG_TX_LENCHK             0x00000100
181 #define   MAC_CFG_RX_JUMBO_ENB                    0x00000200
182 #define   MAC_CFG_PREAMBLE_MASK                   0x00003C00
183 #define   MAC_CFG_VLAN_TAG_STRIP                  0x00004000
184 #define   MAC_CFG_PROMISC                         0x00008000
185 #define   MAC_CFG_TX_PAUSE              0x00010000
186 #define   MAC_CFG_SCNT                            0x00020000
187 #define   MAC_CFG_SYNC_RST_TX           0x00040000
188 #define   MAC_CFG_SPEED_MASK            0x00300000
189 #define   MAC_CFG_SPEED_10_100                    0x00100000
190 #define   MAC_CFG_SPEED_1000            0x00200000
191 #define   MAC_CFG_DBG_TX_BACKOFF                  0x00400000
192 #define   MAC_CFG_TX_JUMBO_ENB                    0x00800000
193 #define   MAC_CFG_RXCSUM_ENB            0x01000000
194 #define   MAC_CFG_ALLMULTI              0x02000000
195 #define   MAC_CFG_BCAST                           0x04000000
196 #define   MAC_CFG_DBG                             0x08000000
197 #define   MAC_CFG_PREAMBLE_SHIFT                  10
198 #define   MAC_CFG_PREAMBLE_DEFAULT      7
199 
200 #define   ALE_IPG_IFG_CFG                         0x1484
201 #define   IPG_IFG_IPGT_MASK             0x0000007F
202 #define   IPG_IFG_MIFG_MASK             0x0000FF00
203 #define   IPG_IFG_IPG1_MASK             0x007F0000
204 #define   IPG_IFG_IPG2_MASK             0x7F000000
205 #define   IPG_IFG_IPGT_SHIFT            0
206 #define   IPG_IFG_IPGT_DEFAULT                    0x60
207 #define   IPG_IFG_MIFG_SHIFT            8
208 #define   IPG_IFG_MIFG_DEFAULT                    0x50
209 #define   IPG_IFG_IPG1_SHIFT            16
210 #define   IPG_IFG_IPG1_DEFAULT                    0x40
211 #define   IPG_IFG_IPG2_SHIFT            24
212 #define   IPG_IFG_IPG2_DEFAULT                    0x60
213 
214 /* Station address. */
215 #define   ALE_PAR0                      0x1488
216 #define   ALE_PAR1                      0x148C
217 
218 /* 64bit multicast hash register. */
219 #define   ALE_MAR0                      0x1490
220 #define   ALE_MAR1                      0x1494
221 
222 /* half-duplex parameter configuration. */
223 #define   ALE_HDPX_CFG                            0x1498
224 #define   HDPX_CFG_LCOL_MASK            0x000003FF
225 #define   HDPX_CFG_RETRY_MASK           0x0000F000
226 #define   HDPX_CFG_EXC_DEF_EN           0x00010000
227 #define   HDPX_CFG_NO_BACK_C            0x00020000
228 #define   HDPX_CFG_NO_BACK_P            0x00040000
229 #define   HDPX_CFG_ABEBE                          0x00080000
230 #define   HDPX_CFG_ABEBT_MASK           0x00F00000
231 #define   HDPX_CFG_JAMIPG_MASK                    0x0F000000
232 #define   HDPX_CFG_LCOL_SHIFT           0
233 #define   HDPX_CFG_LCOL_DEFAULT                   0x37
234 #define   HDPX_CFG_RETRY_SHIFT                    12
235 #define   HDPX_CFG_RETRY_DEFAULT                  0x0F
236 #define   HDPX_CFG_ABEBT_SHIFT                    20
237 #define   HDPX_CFG_ABEBT_DEFAULT                  0x0A
238 #define   HDPX_CFG_JAMIPG_SHIFT                   24
239 #define   HDPX_CFG_JAMIPG_DEFAULT                 0x07
240 
241 #define   ALE_FRAME_SIZE                          0x149C
242 
243 #define   ALE_WOL_CFG                             0x14A0
244 #define   WOL_CFG_PATTERN                         0x00000001
245 #define   WOL_CFG_PATTERN_ENB           0x00000002
246 #define   WOL_CFG_MAGIC                           0x00000004
247 #define   WOL_CFG_MAGIC_ENB             0x00000008
248 #define   WOL_CFG_LINK_CHG              0x00000010
249 #define   WOL_CFG_LINK_CHG_ENB                    0x00000020
250 #define   WOL_CFG_PATTERN_DET           0x00000100
251 #define   WOL_CFG_MAGIC_DET             0x00000200
252 #define   WOL_CFG_LINK_CHG_DET                    0x00000400
253 #define   WOL_CFG_CLK_SWITCH_ENB                  0x00008000
254 #define   WOL_CFG_PATTERN0              0x00010000
255 #define   WOL_CFG_PATTERN1              0x00020000
256 #define   WOL_CFG_PATTERN2              0x00040000
257 #define   WOL_CFG_PATTERN3              0x00080000
258 #define   WOL_CFG_PATTERN4              0x00100000
259 #define   WOL_CFG_PATTERN5              0x00200000
260 #define   WOL_CFG_PATTERN6              0x00400000
261 
262 /* WOL pattern length. */
263 #define   ALE_PATTERN_CFG0              0x14A4
264 #define   PATTERN_CFG_0_LEN_MASK                  0x0000007F
265 #define   PATTERN_CFG_1_LEN_MASK                  0x00007F00
266 #define   PATTERN_CFG_2_LEN_MASK                  0x007F0000
267 #define   PATTERN_CFG_3_LEN_MASK                  0x7F000000
268 
269 #define   ALE_PATTERN_CFG1              0x14A8
270 #define   PATTERN_CFG_4_LEN_MASK                  0x0000007F
271 #define   PATTERN_CFG_5_LEN_MASK                  0x00007F00
272 #define   PATTERN_CFG_6_LEN_MASK                  0x007F0000
273 
274 /* RSS */
275 #define   ALE_RSS_KEY0                            0x14B0
276 
277 #define   ALE_RSS_KEY1                            0x14B4
278 
279 #define   ALE_RSS_KEY2                            0x14B8
280 
281 #define   ALE_RSS_KEY3                            0x14BC
282 
283 #define   ALE_RSS_KEY4                            0x14C0
284 
285 #define   ALE_RSS_KEY5                            0x14C4
286 
287 #define   ALE_RSS_KEY6                            0x14C8
288 
289 #define   ALE_RSS_KEY7                            0x14CC
290 
291 #define   ALE_RSS_KEY8                            0x14D0
292 
293 #define   ALE_RSS_KEY9                            0x14D4
294 
295 #define   ALE_RSS_IDT_TABLE4            0x14E0
296 
297 #define   ALE_RSS_IDT_TABLE5            0x14E4
298 
299 #define   ALE_RSS_IDT_TABLE6            0x14E8
300 
301 #define   ALE_RSS_IDT_TABLE7            0x14EC
302 
303 #define   ALE_SRAM_RD_ADDR              0x1500
304 
305 #define   ALE_SRAM_RD_LEN                         0x1504
306 
307 #define   ALE_SRAM_RRD_ADDR             0x1508
308 
309 #define   ALE_SRAM_RRD_LEN              0x150C
310 
311 #define   ALE_SRAM_TPD_ADDR             0x1510
312 
313 #define   ALE_SRAM_TPD_LEN              0x1514
314 
315 #define   ALE_SRAM_TRD_ADDR             0x1518
316 
317 #define   ALE_SRAM_TRD_LEN              0x151C
318 
319 #define   ALE_SRAM_RX_FIFO_ADDR                   0x1520
320 
321 #define   ALE_SRAM_RX_FIFO_LEN                    0x1524
322 
323 #define   ALE_SRAM_TX_FIFO_ADDR                   0x1528
324 
325 #define   ALE_SRAM_TX_FIFO_LEN                    0x152C
326 
327 #define   ALE_SRAM_TCPH_ADDR            0x1530
328 #define   SRAM_TCPH_ADDR_MASK           0x00000FFF
329 #define   SRAM_PATH_ADDR_MASK           0x0FFF0000
330 #define   SRAM_TCPH_ADDR_SHIFT                    0
331 #define   SRAM_PATH_ADDR_SHIFT                    16
332 
333 #define   ALE_DMA_BLOCK                           0x1534
334 #define   DMA_BLOCK_LOAD                          0x00000001
335 
336 #define   ALE_RXF3_ADDR_HI              0x153C
337 
338 #define   ALE_TPD_ADDR_HI                         0x1540
339 
340 #define   ALE_RXF0_PAGE0_ADDR_LO                  0x1544
341 
342 #define   ALE_RXF0_PAGE1_ADDR_LO                  0x1548
343 
344 #define   ALE_TPD_ADDR_LO                         0x154C
345 
346 #define   ALE_RXF1_ADDR_HI              0x1550
347 
348 #define   ALE_RXF2_ADDR_HI              0x1554
349 
350 #define   ALE_RXF_PAGE_SIZE             0x1558
351 
352 #define   ALE_TPD_CNT                             0x155C
353 #define   TPD_CNT_MASK                            0x00003FF
354 #define   TPD_CNT_SHIFT                           0
355 
356 #define   ALE_RSS_IDT_TABLE0            0x1560
357 
358 #define   ALE_RSS_IDT_TABLE1            0x1564
359 
360 #define   ALE_RSS_IDT_TABLE2            0x1568
361 
362 #define   ALE_RSS_IDT_TABLE3            0x156C
363 
364 #define   ALE_RSS_HASH_VALUE            0x1570
365 
366 #define   ALE_RSS_HASH_FLAG             0x1574
367 
368 #define   ALE_RSS_CPU                             0x157C
369 
370 #define   ALE_TXQ_CFG                             0x1580
371 #define   TXQ_CFG_TPD_BURST_MASK                  0x0000000F
372 #define   TXQ_CFG_ENB                             0x00000020
373 #define   TXQ_CFG_ENHANCED_MODE                   0x00000040
374 #define   TXQ_CFG_TX_FIFO_BURST_MASK    0xFFFF0000
375 #define   TXQ_CFG_TPD_BURST_SHIFT                 0
376 #define   TXQ_CFG_TPD_BURST_DEFAULT     4
377 #define   TXQ_CFG_TX_FIFO_BURST_SHIFT   16
378 #define   TXQ_CFG_TX_FIFO_BURST_DEFAULT 256
379 
380 #define   ALE_TX_JUMBO_THRESH           0x1584
381 #define   TX_JUMBO_THRESH_MASK                    0x000007FF
382 #define   TX_JUMBO_THRESH_SHIFT                   0
383 #define   TX_JUMBO_THRESH_UNIT                    8
384 #define   TX_JUMBO_THRESH_UNIT_SHIFT    3
385 
386 #define   ALE_RXQ_CFG                             0x15A0
387 #define   RXQ_CFG_ALIGN_32              0x00000000
388 #define   RXQ_CFG_ALIGN_64              0x00000001
389 #define   RXQ_CFG_ALIGN_128             0x00000002
390 #define   RXQ_CFG_ALIGN_256             0x00000003
391 #define   RXQ_CFG_QUEUE1_ENB            0x00000010
392 #define   RXQ_CFG_QUEUE2_ENB            0x00000020
393 #define   RXQ_CFG_QUEUE3_ENB            0x00000040
394 #define   RXQ_CFG_IPV6_CSUM_VERIFY      0x00000080
395 #define   RXQ_CFG_RSS_HASH_TBL_LEN_MASK 0x0000FF00
396 #define   RXQ_CFG_RSS_HASH_IPV4                   0x00010000
397 #define   RXQ_CFG_RSS_HASH_IPV4_TCP     0x00020000
398 #define   RXQ_CFG_RSS_HASH_IPV6                   0x00040000
399 #define   RXQ_CFG_RSS_HASH_IPV6_TCP     0x00080000
400 #define   RXQ_CFG_RSS_MODE_DIS                    0x00000000
401 #define   RXQ_CFG_RSS_MODE_SQSINT                 0x04000000
402 #define   RXQ_CFG_RSS_MODE_MQUESINT     0x08000000
403 #define   RXQ_CFG_RSS_MODE_MQUEMINT     0x0C000000
404 #define   RXQ_CFG_NIP_QUEUE_SEL_TBL     0x10000000
405 #define   RXQ_CFG_RSS_HASH_ENB                    0x20000000
406 #define   RXQ_CFG_CUT_THROUGH_ENB                 0x40000000
407 #define   RXQ_CFG_ENB                             0x80000000
408 #define   RXQ_CFG_RSS_HASH_TBL_LEN_SHIFT          8
409 
410 #define   ALE_RX_JUMBO_THRESH           0x15A4    /* 16bits */
411 #define   RX_JUMBO_THRESH_MASK                    0x07FF
412 #define   RX_JUMBO_LKAH_MASK            0x7800
413 #define   RX_JUMBO_THRESH_MASK_SHIFT    0
414 #define   RX_JUMBO_THRESH_UNIT                    8
415 #define   RX_JUMBO_THRESH_UNIT_SHIFT    3
416 #define   RX_JUMBO_LKAH_SHIFT           11
417 #define   RX_JUMBO_LKAH_DEFAULT                   1
418 
419 #define   ALE_RX_FIFO_PAUSE_THRESH      0x15A8
420 #define   RX_FIFO_PAUSE_THRESH_LO_MASK  0x00000FFF
421 #define   RX_FIFO_PAUSE_THRESH_HI_MASK  0x0FFF0000
422 #define   RX_FIFO_PAUSE_THRESH_LO_SHIFT 0
423 #define   RX_FIFO_PAUSE_THRESH_HI_SHIFT 16
424 
425 #define   ALE_CMB_RXF1                            0x15B4
426 
427 #define   ALE_CMB_RXF2                            0x15B8
428 
429 #define   ALE_CMB_RXF3                            0x15BC
430 
431 #define   ALE_DMA_CFG                             0x15C0
432 #define   DMA_CFG_IN_ORDER              0x00000001
433 #define   DMA_CFG_ENH_ORDER             0x00000002
434 #define   DMA_CFG_OUT_ORDER             0x00000004
435 #define   DMA_CFG_RCB_64                          0x00000000
436 #define   DMA_CFG_RCB_128                         0x00000008
437 #define   DMA_CFG_RD_BURST_128                    0x00000000
438 #define   DMA_CFG_RD_BURST_256                    0x00000010
439 #define   DMA_CFG_RD_BURST_512                    0x00000020
440 #define   DMA_CFG_RD_BURST_1024                   0x00000030
441 #define   DMA_CFG_RD_BURST_2048                   0x00000040
442 #define   DMA_CFG_RD_BURST_4096                   0x00000050
443 #define   DMA_CFG_WR_BURST_128                    0x00000000
444 #define   DMA_CFG_WR_BURST_256                    0x00000080
445 #define   DMA_CFG_WR_BURST_512                    0x00000100
446 #define   DMA_CFG_WR_BURST_1024                   0x00000180
447 #define   DMA_CFG_WR_BURST_2048                   0x00000200
448 #define   DMA_CFG_WR_BURST_4096                   0x00000280
449 #define   DMA_CFG_RD_REQ_PRI            0x00000400
450 #define   DMA_CFG_RD_DELAY_CNT_MASK     0x0000F800
451 #define   DMA_CFG_WR_DELAY_CNT_MASK     0x000F0000
452 #define   DMA_CFG_TXCMB_ENB             0x00100000
453 #define   DMA_CFG_RXCMB_ENB             0x00200000
454 #define   DMA_CFG_RD_BURST_MASK                   0x07
455 #define   DMA_CFG_RD_BURST_SHIFT                  4
456 #define   DMA_CFG_WR_BURST_MASK                   0x07
457 #define   DMA_CFG_WR_BURST_SHIFT                  7
458 #define   DMA_CFG_RD_DELAY_CNT_SHIFT    11
459 #define   DMA_CFG_WR_DELAY_CNT_SHIFT    16
460 #define   DMA_CFG_RD_DELAY_CNT_DEFAULT  15
461 #define   DMA_CFG_WR_DELAY_CNT_DEFAULT  4
462 
463 #define   ALE_SMB_STAT_TIMER            0x15C4
464 
465 #define   ALE_INT_TRIG_THRESH           0x15C8
466 #define   INT_TRIG_TX_THRESH_MASK                 0x0000FFFF
467 #define   INT_TRIG_RX_THRESH_MASK                 0xFFFF0000
468 #define   INT_TRIG_TX_THRESH_SHIFT      0
469 #define   INT_TRIG_RX_THRESH_SHIFT      16
470 
471 #define   ALE_INT_TRIG_TIMER            0x15CC
472 #define   INT_TRIG_TX_TIMER_MASK                  0x0000FFFF
473 #define   INT_TRIG_RX_TIMER_MASK                  0x0000FFFF
474 #define   INT_TRIG_TX_TIMER_SHIFT                 0
475 #define   INT_TRIG_RX_TIMER_SHIFT                 16
476 
477 #define   ALE_RXF1_PAGE0_ADDR_LO                  0x15D0
478 
479 #define   ALE_RXF1_PAGE1_ADDR_LO                  0x15D4
480 
481 #define   ALE_RXF2_PAGE0_ADDR_LO                  0x15D8
482 
483 #define   ALE_RXF2_PAGE1_ADDR_LO                  0x15DC
484 
485 #define   ALE_RXF3_PAGE0_ADDR_LO                  0x15E0
486 
487 #define   ALE_RXF3_PAGE1_ADDR_LO                  0x15E4
488 
489 #define   ALE_MBOX_TPD_PROD_IDX                   0x15F0
490 
491 #define   ALE_RXF0_PAGE0                          0x15F4
492 
493 #define   ALE_RXF0_PAGE1                          0x15F5
494 
495 #define   ALE_RXF1_PAGE0                          0x15F6
496 
497 #define   ALE_RXF1_PAGE1                          0x15F7
498 
499 #define   ALE_RXF2_PAGE0                          0x15F8
500 
501 #define   ALE_RXF2_PAGE1                          0x15F9
502 
503 #define   ALE_RXF3_PAGE0                          0x15FA
504 
505 #define   ALE_RXF3_PAGE1                          0x15FB
506 
507 #define   RXF_VALID                     0x01
508 
509 #define   ALE_INTR_STATUS                         0x1600
510 #define   INTR_SMB                      0x00000001
511 #define   INTR_TIMER                              0x00000002
512 #define   INTR_MANUAL_TIMER             0x00000004
513 #define   INTR_RX_FIFO_OFLOW            0x00000008
514 #define   INTR_RXF0_OFLOW                         0x00000010
515 #define   INTR_RXF1_OFLOW                         0x00000020
516 #define   INTR_RXF2_OFLOW                         0x00000040
517 #define   INTR_RXF3_OFLOW                         0x00000080
518 #define   INTR_TX_FIFO_UNDERRUN                   0x00000100
519 #define   INTR_RX0_PAGE_FULL            0x00000200
520 #define   INTR_DMA_RD_TO_RST            0x00000400
521 #define   INTR_DMA_WR_TO_RST            0x00000800
522 #define   INTR_GPHY                     0x00001000
523 #define   INTR_TX_CREDIT                          0x00002000
524 #define   INTR_GPHY_LOW_PW              0x00004000
525 #define   INTR_RX_PKT                             0x00010000
526 #define   INTR_TX_PKT                             0x00020000
527 #define   INTR_TX_DMA                             0x00040000
528 #define   INTR_RX_PKT1                            0x00080000
529 #define   INTR_RX_PKT2                            0x00100000
530 #define   INTR_RX_PKT3                            0x00200000
531 #define   INTR_MAC_RX                             0x00400000
532 #define   INTR_MAC_TX                             0x00800000
533 #define   INTR_UNDERRUN                           0x01000000
534 #define   INTR_FRAME_ERROR              0x02000000
535 #define   INTR_FRAME_OK                           0x04000000
536 #define   INTR_CSUM_ERROR                         0x08000000
537 #define   INTR_PHY_LINK_DOWN            0x10000000
538 #define   INTR_DIS_INT                            0x80000000
539 
540 /* Interrupt Mask Register */
541 #define   ALE_INTR_MASK                           0x1604
542 
543 #define   ALE_INTRS                                                   \
544           (INTR_DMA_RD_TO_RST | INTR_DMA_WR_TO_RST |                  \
545           INTR_RX_PKT | INTR_TX_PKT | INTR_RX_FIFO_OFLOW |  \
546           INTR_TX_FIFO_UNDERRUN)
547 
548 /*
549  * AR81xx requires register access to get MAC statistics
550  * and the format of statistics seems to be the same of L1 .
551  */
552 #define   ALE_RX_MIB_BASE                         0x1700
553 
554 #define   ALE_TX_MIB_BASE                         0x1760
555 
556 /* Statistics counters collected by the MAC. */
557 struct smb {
558           /* Rx stats. */
559           uint32_t rx_frames;
560           uint32_t rx_bcast_frames;
561           uint32_t rx_mcast_frames;
562           uint32_t rx_pause_frames;
563           uint32_t rx_control_frames;
564           uint32_t rx_crcerrs;
565           uint32_t rx_lenerrs;
566           uint32_t rx_bytes;
567           uint32_t rx_runts;
568           uint32_t rx_fragments;
569           uint32_t rx_pkts_64;
570           uint32_t rx_pkts_65_127;
571           uint32_t rx_pkts_128_255;
572           uint32_t rx_pkts_256_511;
573           uint32_t rx_pkts_512_1023;
574           uint32_t rx_pkts_1024_1518;
575           uint32_t rx_pkts_1519_max;
576           uint32_t rx_pkts_truncated;
577           uint32_t rx_fifo_oflows;
578           uint32_t rx_rrs_errs;
579           uint32_t rx_alignerrs;
580           uint32_t rx_bcast_bytes;
581           uint32_t rx_mcast_bytes;
582           uint32_t rx_pkts_filtered;
583           /* Tx stats. */
584           uint32_t tx_frames;
585           uint32_t tx_bcast_frames;
586           uint32_t tx_mcast_frames;
587           uint32_t tx_pause_frames;
588           uint32_t tx_excess_defer;
589           uint32_t tx_control_frames;
590           uint32_t tx_deferred;
591           uint32_t tx_bytes;
592           uint32_t tx_pkts_64;
593           uint32_t tx_pkts_65_127;
594           uint32_t tx_pkts_128_255;
595           uint32_t tx_pkts_256_511;
596           uint32_t tx_pkts_512_1023;
597           uint32_t tx_pkts_1024_1518;
598           uint32_t tx_pkts_1519_max;
599           uint32_t tx_single_colls;
600           uint32_t tx_multi_colls;
601           uint32_t tx_late_colls;
602           uint32_t tx_excess_colls;
603           uint32_t tx_abort;
604           uint32_t tx_underrun;
605           uint32_t tx_desc_underrun;
606           uint32_t tx_lenerrs;
607           uint32_t tx_pkts_truncated;
608           uint32_t tx_bcast_bytes;
609           uint32_t tx_mcast_bytes;
610 } __packed;
611 
612 #define   ALE_HOST_RXF0_PAGEOFF                   0x1800
613 
614 #define   ALE_TPD_CONS_IDX              0x1804
615 
616 #define   ALE_HOST_RXF1_PAGEOFF                   0x1808
617 
618 #define   ALE_HOST_RXF2_PAGEOFF                   0x180C
619 
620 #define   ALE_HOST_RXF3_PAGEOFF                   0x1810
621 
622 #define   ALE_RXF0_CMB0_ADDR_LO                   0x1820
623 
624 #define   ALE_RXF0_CMB1_ADDR_LO                   0x1824
625 
626 #define   ALE_RXF1_CMB0_ADDR_LO                   0x1828
627 
628 #define   ALE_RXF1_CMB1_ADDR_LO                   0x182C
629 
630 #define   ALE_RXF2_CMB0_ADDR_LO                   0x1830
631 
632 #define   ALE_RXF2_CMB1_ADDR_LO                   0x1834
633 
634 #define   ALE_RXF3_CMB0_ADDR_LO                   0x1838
635 
636 #define   ALE_RXF3_CMB1_ADDR_LO                   0x183C
637 
638 #define   ALE_TX_CMB_ADDR_LO            0x1840
639 
640 #define   ALE_SMB_ADDR_LO                         0x1844
641 
642 /*
643  * RRS(receive return status) structure.
644  *
645  * Note:
646  * Atheros AR81xx does not support descriptor based DMA on Rx
647  * instead it just prepends a Rx status structure prior to a
648  * received frame which also resides on the same Rx buffer.
649  * This means driver should copy an entire frame from the
650  * buffer to new mbuf chain which in turn greatly increases CPU
651  * cycles and effectively nullify the advantage of DMA
652  * operation of controller. So you should have fast CPU to cope
653  * with the copy operation. Implementing flow-controls may help
654  * a lot to minimize Rx FIFO overflows but it's not available
655  * yet on FreeBSD and hardware doesn't seem to support
656  * fine-grained Tx/Rx flow controls.
657  */
658 struct rx_rs {
659           uint32_t  seqno;
660 #define   ALE_RD_SEQNO_MASK             0x0000FFFF
661 #define   ALE_RD_HASH_MASK              0xFFFF0000
662 #define   ALE_RD_SEQNO_SHIFT            0
663 #define   ALE_RD_HASH_SHIFT             16
664 #define   ALE_RX_SEQNO(x)               \
665           (((x) & ALE_RD_SEQNO_MASK) >> ALE_RD_SEQNO_SHIFT)
666           uint32_t  length;
667 #define   ALE_RD_CSUM_MASK              0x0000FFFF
668 #define   ALE_RD_LEN_MASK                         0x3FFF0000
669 #define   ALE_RD_CPU_MASK                         0xC0000000
670 #define   ALE_RD_CSUM_SHIFT             0
671 #define   ALE_RD_LEN_SHIFT              16
672 #define   ALE_RD_CPU_SHIFT              30
673 #define   ALE_RX_CSUM(x)                \
674           (((x) & ALE_RD_CSUM_MASK) >> ALE_RD_CSUM_SHIFT)
675 #define   ALE_RX_BYTES(x)               \
676           (((x) & ALE_RD_LEN_MASK) >> ALE_RD_LEN_SHIFT)
677 #define   ALE_RX_CPU(x)                 \
678           (((x) & ALE_RD_CPU_MASK) >> ALE_RD_CPU_SHIFT)
679           uint32_t  flags;
680 #define   ALE_RD_RSS_IPV4                         0x00000001
681 #define   ALE_RD_RSS_IPV4_TCP           0x00000002
682 #define   ALE_RD_RSS_IPV6                         0x00000004
683 #define   ALE_RD_RSS_IPV6_TCP           0x00000008
684 #define   ALE_RD_IPV6                             0x00000010
685 #define   ALE_RD_IPV4_FRAG              0x00000020
686 #define   ALE_RD_IPV4_DF                          0x00000040
687 #define   ALE_RD_802_3                            0x00000080
688 #define   ALE_RD_VLAN                             0x00000100
689 #define   ALE_RD_ERROR                            0x00000200
690 #define   ALE_RD_IPV4                             0x00000400
691 #define   ALE_RD_UDP                              0x00000800
692 #define   ALE_RD_TCP                              0x00001000
693 #define   ALE_RD_BCAST                            0x00002000
694 #define   ALE_RD_MCAST                            0x00004000
695 #define   ALE_RD_PAUSE                            0x00008000
696 #define   ALE_RD_CRC                              0x00010000
697 #define   ALE_RD_CODE                             0x00020000
698 #define   ALE_RD_DRIBBLE                          0x00040000
699 #define   ALE_RD_RUNT                             0x00080000
700 #define   ALE_RD_OFLOW                            0x00100000
701 #define   ALE_RD_TRUNC                            0x00200000
702 #define   ALE_RD_IPCSUM_NOK             0x00400000
703 #define   ALE_RD_TCP_UDPCSUM_NOK                  0x00800000
704 #define   ALE_RD_LENGTH_NOK             0x01000000
705 #define   ALE_RD_DES_ADDR_FILTERED      0x02000000
706           uint32_t vtags;
707 #define   ALE_RD_HASH_HI_MASK           0x0000FFFF
708 #define   ALE_RD_HASH_HI_SHIFT                    0
709 #define   ALE_RD_VLAN_MASK              0xFFFF0000
710 #define   ALE_RD_VLAN_SHIFT             16
711 #define   ALE_RX_VLAN(x)                \
712           (((x) & ALE_RD_VLAN_MASK) >> ALE_RD_VLAN_SHIFT)
713 #define   ALE_RX_VLAN_TAG(x)  \
714           (((x) >> 4) | (((x) & 7) << 13) | (((x) & 8) << 9))
715 } __packed;
716 
717 /* Tx descriptor. */
718 struct tx_desc {
719           uint64_t addr;
720           uint32_t len;
721 #define   ALE_TD_VLAN_MASK              0xFFFF0000
722 #define   ALE_TD_PKT_INT                          0x00008000
723 #define   ALE_TD_DMA_INT                          0x00004000
724 #define   ALE_TD_BUFLEN_MASK            0x00003FFF
725 #define   ALE_TD_VLAN_SHIFT             16
726 #define   ALE_TX_VLAN_TAG(x)  \
727           (((x) << 4) | ((x) >> 13) | (((x) >> 9) & 8))
728 #define   ALE_TD_BUFLEN_SHIFT           0
729 #define   ALE_TX_BYTES(x)               \
730           (((x) << ALE_TD_BUFLEN_SHIFT) & ALE_TD_BUFLEN_MASK)
731           uint32_t flags;
732 #define   ALE_TD_MSS                              0xFFF80000
733 #define   ALE_TD_TSO_HDR                          0x00040000
734 #define   ALE_TD_TCPHDR_LEN             0x0003C000
735 #define   ALE_TD_IPHDR_LEN              0x00003C00
736 #define   ALE_TD_IPV6HDR_LEN2           0x00003C00
737 #define   ALE_TD_LLC_SNAP                         0x00000200
738 #define   ALE_TD_VLAN_TAGGED            0x00000100
739 #define   ALE_TD_UDPCSUM                          0x00000080
740 #define   ALE_TD_TCPCSUM                          0x00000040
741 #define   ALE_TD_IPCSUM                           0x00000020
742 #define   ALE_TD_IPV6HDR_LEN1           0x000000E0
743 #define   ALE_TD_TSO                              0x00000010
744 #define   ALE_TD_CXSUM                            0x00000008
745 #define   ALE_TD_INSERT_VLAN_TAG                  0x00000004
746 #define   ALE_TD_IPV6                             0x00000002
747 #define   ALE_TD_EOP                              0x00000001
748 
749 #define   ALE_TD_CSUM_PLOADOFFSET                 0x00FF0000
750 #define   ALE_TD_CSUM_XSUMOFFSET                  0xFF000000
751 #define   ALE_TD_CSUM_XSUMOFFSET_SHIFT  24
752 #define   ALE_TD_CSUM_PLOADOFFSET_SHIFT 16
753 #define   ALE_TD_MSS_SHIFT              19
754 #define   ALE_TD_TCPHDR_LEN_SHIFT                 14
755 #define   ALE_TD_IPHDR_LEN_SHIFT                  10
756 } __packed;
757 
758 #define   ALE_TX_RING_CNT               256       /* Should be multiple of 4. */
759 #define   ALE_TX_RING_CNT_MIN 32
760 #define   ALE_TX_RING_CNT_MAX 1020
761 #define   ALE_TX_RING_ALIGN   8
762 #define   ALE_RX_PAGE_ALIGN   32
763 #define   ALE_RX_PAGES                  2
764 #define   ALE_CMB_ALIGN                 32
765 
766 #define   ALE_TSO_MAXSEGSIZE  4096
767 #define   ALE_TSO_MAXSIZE               (65535 + sizeof(struct ether_vlan_header))
768 #define   ALE_MAXTXSEGS                 32
769 
770 #define   ALE_ADDR_LO(x)                ((uint64_t) (x) & 0xFFFFFFFF)
771 #define   ALE_ADDR_HI(x)                ((uint64_t) (x) >> 32)
772 
773 /* Water mark to kick reclaiming Tx buffers. */
774 #define   ALE_TX_DESC_HIWAT   (ALE_TX_RING_CNT - ((ALE_TX_RING_CNT * 4) / 10))
775 
776 #define   ALE_MSI_MESSAGES    1
777 #define   ALE_MSIX_MESSAGES   1
778 
779 /*
780  * TODO : Should get real jumbo MTU size.
781  * The hardware seems to have trouble in dealing with large
782  * frame length. If you encounter instability issue, use
783  * lower MTU size.
784  */
785 #define   ALE_JUMBO_FRAMELEN  8132
786 #define   ALE_JUMBO_MTU                 \
787           (ALE_JUMBO_FRAMELEN - sizeof(struct ether_vlan_header) - ETHER_CRC_LEN)
788 #define   ALE_MAX_FRAMELEN    (ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN)
789 
790 #define   ALE_DESC_INC(x, y)  ((x) = ((x) + 1) % (y))
791 
792 struct ale_txdesc {
793           struct mbuf                   *tx_m;
794           bus_dmamap_t                  tx_dmamap;
795 };
796 
797 struct ale_rx_page {
798           bus_dmamap_t                  page_map;
799           bus_dma_segment_t   page_seg;
800           uint8_t                       *page_addr;
801           bus_addr_t                    page_paddr;
802           bus_dmamap_t                  cmb_map;
803           bus_dma_segment_t   cmb_seg;
804           uint32_t            *cmb_addr;
805           bus_addr_t                    cmb_paddr;
806           uint32_t            cons;
807 };
808 
809 struct ale_chain_data{
810           struct ale_txdesc   ale_txdesc[ALE_TX_RING_CNT];
811           bus_dmamap_t                  ale_tx_ring_map;
812           bus_dma_segment_t   ale_tx_ring_seg;
813           bus_dmamap_t                  ale_rx_mblock_map[ALE_RX_PAGES];
814           bus_dma_segment_t   ale_rx_mblock_seg[ALE_RX_PAGES];
815           struct tx_desc                *ale_tx_ring;
816           bus_addr_t                    ale_tx_ring_paddr;
817           uint32_t            *ale_tx_cmb;
818           bus_addr_t                    ale_tx_cmb_paddr;
819           bus_dmamap_t                  ale_tx_cmb_map;
820           bus_dma_segment_t   ale_tx_cmb_seg;
821 
822           uint32_t            ale_tx_prod;
823           uint32_t            ale_tx_cons;
824           int                           ale_tx_cnt;
825           struct ale_rx_page  ale_rx_page[ALE_RX_PAGES];
826           int                           ale_rx_curp;
827           uint16_t            ale_rx_seqno;
828 };
829 
830 #define   ALE_TX_RING_SZ                \
831           (sizeof(struct tx_desc) * ALE_TX_RING_CNT)
832 #define   ALE_RX_PAGE_SZ_MIN  (8 * 1024)
833 #define   ALE_RX_PAGE_SZ_MAX  (1024 * 1024)
834 #define   ALE_RX_FRAMES_PAGE  128
835 #define   ALE_RX_PAGE_SZ                \
836           (roundup(ALE_MAX_FRAMELEN, ALE_RX_PAGE_ALIGN) * ALE_RX_FRAMES_PAGE)
837 #define   ALE_TX_CMB_SZ                 (sizeof(uint32_t))
838 #define   ALE_RX_CMB_SZ                 (sizeof(uint32_t))
839 
840 #define   ALE_PROC_MIN                  (ALE_RX_FRAMES_PAGE / 4)
841 #define   ALE_PROC_MAX                  \
842           ((ALE_RX_PAGE_SZ * ALE_RX_PAGES) / ETHER_MAX_LEN)
843 #define   ALE_PROC_DEFAULT    (ALE_PROC_MAX / 4)
844 
845 struct ale_hw_stats {
846           /* Rx stats. */
847           uint32_t rx_frames;
848           uint32_t rx_bcast_frames;
849           uint32_t rx_mcast_frames;
850           uint32_t rx_pause_frames;
851           uint32_t rx_control_frames;
852           uint32_t rx_crcerrs;
853           uint32_t rx_lenerrs;
854           uint64_t rx_bytes;
855           uint32_t rx_runts;
856           uint32_t rx_fragments;
857           uint32_t rx_pkts_64;
858           uint32_t rx_pkts_65_127;
859           uint32_t rx_pkts_128_255;
860           uint32_t rx_pkts_256_511;
861           uint32_t rx_pkts_512_1023;
862           uint32_t rx_pkts_1024_1518;
863           uint32_t rx_pkts_1519_max;
864           uint32_t rx_pkts_truncated;
865           uint32_t rx_fifo_oflows;
866           uint32_t rx_rrs_errs;
867           uint32_t rx_alignerrs;
868           uint64_t rx_bcast_bytes;
869           uint64_t rx_mcast_bytes;
870           uint32_t rx_pkts_filtered;
871           /* Tx stats. */
872           uint32_t tx_frames;
873           uint32_t tx_bcast_frames;
874           uint32_t tx_mcast_frames;
875           uint32_t tx_pause_frames;
876           uint32_t tx_excess_defer;
877           uint32_t tx_control_frames;
878           uint32_t tx_deferred;
879           uint64_t tx_bytes;
880           uint32_t tx_pkts_64;
881           uint32_t tx_pkts_65_127;
882           uint32_t tx_pkts_128_255;
883           uint32_t tx_pkts_256_511;
884           uint32_t tx_pkts_512_1023;
885           uint32_t tx_pkts_1024_1518;
886           uint32_t tx_pkts_1519_max;
887           uint32_t tx_single_colls;
888           uint32_t tx_multi_colls;
889           uint32_t tx_late_colls;
890           uint32_t tx_excess_colls;
891           uint32_t tx_abort;
892           uint32_t tx_underrun;
893           uint32_t tx_desc_underrun;
894           uint32_t tx_lenerrs;
895           uint32_t tx_pkts_truncated;
896           uint64_t tx_bcast_bytes;
897           uint64_t tx_mcast_bytes;
898           /* Misc. */
899           uint32_t reset_brk_seq;
900 };
901 
902 /*
903  * Software state per device.
904  */
905 struct ale_softc {
906           device_t            sc_dev;
907           struct ethercom               sc_ec;
908 
909           bus_space_tag_t               sc_mem_bt;
910           bus_space_handle_t  sc_mem_bh;
911           bus_size_t                    sc_mem_size;
912           bus_dma_tag_t                 sc_dmat;
913           pci_chipset_tag_t   sc_pct;
914           pcitag_t            sc_pcitag;
915 
916           void                          *sc_irq_handle;
917 
918           struct mii_data               sc_miibus;
919           int                           ale_phyaddr;
920 
921           int                           ale_rev;
922           int                           ale_chip_rev;
923           uint8_t                       ale_eaddr[ETHER_ADDR_LEN];
924           uint32_t            ale_dma_rd_burst;
925           uint32_t            ale_dma_wr_burst;
926           int                           ale_flags;
927 #define   ALE_FLAG_PCIE                 0x0001
928 #define   ALE_FLAG_PCIX                 0x0002
929 #define   ALE_FLAG_MSI                  0x0004
930 #define   ALE_FLAG_MSIX                 0x0008
931 #define   ALE_FLAG_PMCAP                0x0010
932 #define   ALE_FLAG_FASTETHER  0x0020
933 #define   ALE_FLAG_JUMBO                0x0040
934 #define   ALE_FLAG_RXCSUM_BUG 0x0080
935 #define   ALE_FLAG_TXCSUM_BUG 0x0100
936 #define   ALE_FLAG_TXCMB_BUG  0x0200
937 #define   ALE_FLAG_DETACH               0x4000
938 #define   ALE_FLAG_LINK                 0x8000
939 
940           callout_t           sc_tick_ch;
941           struct ale_hw_stats ale_stats;
942           struct ale_chain_data         ale_cdata;
943           int                           ale_int_rx_mod;
944           int                           ale_int_tx_mod;
945           int                           ale_max_frame_size;
946           int                           ale_pagesize;
947 
948 };
949 
950 /* Register access macros. */
951 #define   CSR_WRITE_4(_sc, reg, val)    \
952           bus_space_write_4((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg), (val))
953 #define   CSR_WRITE_2(_sc, reg, val)    \
954           bus_space_write_2((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg), (val))
955 #define   CSR_WRITE_1(_sc, reg, val)    \
956           bus_space_write_1((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg), (val))
957 #define   CSR_READ_2(_sc, reg)                    \
958           bus_space_read_2((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg))
959 #define   CSR_READ_4(_sc, reg)                    \
960           bus_space_read_4((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg))
961 
962 #define   ALE_TX_TIMEOUT                5
963 #define   ALE_RESET_TIMEOUT   100
964 #define   ALE_TIMEOUT                   1000
965 #define   ALE_PHY_TIMEOUT               1000
966 
967 #endif    /* _IF_ALEREG_H */
968