if_jmereg.h revision 1.8 1 /* $NetBSD: if_jmereg.h,v 1.8 2024/02/09 22:08:36 andvar Exp $ */
2
3 /*-
4 * Copyright (c) 2008, Pyun YongHyeon <yongari (at) 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 unmodified, this list of conditions, and the following
12 * disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: src/sys/dev/jme/if_jmereg.h,v 1.3 2008/09/22 06:17:21 yongari Exp $
30 */
31
32 #ifndef _IF_JMEREG_H
33 #define _IF_JMEREG_H
34
35 /*
36 * JMC250 PCI revisions
37 */
38 #define DEVICEREVID_JMC250_A0 0x00
39 #define DEVICEREVID_JMC250_A2 0x11
40
41 /*
42 * JMC260 PCI revisions
43 */
44 #define DEVICEREVID_JMC260_A0 0x00
45
46 /* JMC250 PCI configuration register. */
47 #define JME_PCI_BAR0 0x10 /* 16KB memory window. */
48
49 #define JME_PCI_BAR1 0x18 /* 128bytes I/O window. */
50
51 #define JME_PCI_BAR2 0x1C /* 256bytes I/O window. */
52
53 #define JME_PCI_BAR3 0x20 /* 64KB memory window. */
54
55 #define JME_PCI_EROM 0x30
56
57 #define JME_PCI_DBG 0x9C
58
59 #define JME_PCI_SPI 0xB0
60
61 #define SPI_ENB 0x00000010
62 #define SPI_SO_STATUS 0x00000008
63 #define SPI_SI_CTRL 0x00000004
64 #define SPI_SCK_CTRL 0x00000002
65 #define SPI_CS_N_CTRL 0x00000001
66
67 #define JME_PCI_PHYCFG0 0xC0
68
69 #define JME_PCI_PHYCFG1 0xC4
70
71 #define JME_PCI_PHYCFG2 0xC8
72
73 #define JME_PCI_PHYCFG3 0xCC
74
75 #define JME_PCI_PIPECTL1 0xD0
76
77 #define JME_PCI_PIPECTL2 0xD4
78
79 /* PCIe link error/status. */
80 #define JME_PCI_LES 0xD8
81
82 /* proprietary register 0. */
83 #define JME_PCI_PE0 0xE0
84 #define PE0_SPI_EXIST 0x00200000
85 #define PE0_PME_D0 0x00100000
86 #define PE0_PME_D3H 0x00080000
87 #define PE0_PME_SPI_PAD 0x00040000
88 #define PE0_MASK_ASPM 0x00020000
89 #define PE0_EEPROM_RW_DIS 0x00008000
90 #define PE0_PCI_INTA 0x00001000
91 #define PE0_PCI_INTB 0x00002000
92 #define PE0_PCI_INTC 0x00003000
93 #define PE0_PCI_INTD 0x00004000
94 #define PE0_PCI_SVSSID_WR_ENB 0x00000800
95 #define PE0_MSIX_SIZE_8 0x00000700
96 #define PE0_MSIX_SIZE_7 0x00000600
97 #define PE0_MSIX_SIZE_6 0x00000500
98 #define PE0_MSIX_SIZE_5 0x00000400
99 #define PE0_MSIX_SIZE_4 0x00000300
100 #define PE0_MSIX_SIZE_3 0x00000200
101 #define PE0_MSIX_SIZE_2 0x00000100
102 #define PE0_MSIX_SIZE_1 0x00000000
103 #define PE0_MSIX_SIZE_DEF 0x00000700
104 #define PE0_MSIX_CAP_DIS 0x00000080
105 #define PE0_MSI_PVMC_ENB 0x00000040
106 #define PE0_LCAP_EXIT_LAT_MASK 0x00000038
107 #define PE0_LCAP_EXIT_LAT_DEF 0x00000038
108 #define PE0_PM_AUXC_MASK 0x00000007
109 #define PE0_PM_AUXC_DEF 0x00000007
110
111 #define JME_PCI_PE1 0xE4
112
113 #define JME_PCI_PHYTEST 0xF8
114
115 #define JME_PCI_GPR 0xFC
116
117 /*
118 * JMC Register Map.
119 * -----------------------------------------------------------------------
120 * Register Size IO space Memory space
121 * -----------------------------------------------------------------------
122 * Tx/Rx MAC registers 128 bytes BAR1 + 0x00 ~ BAR0 + 0x00 ~
123 * BAR1 + 0x7F BAR0 + 0x7F
124 * -----------------------------------------------------------------------
125 * PHY registers 128 bytes BAR2 + 0x00 ~ BAR0 + 0x400 ~
126 * BAR2 + 0x7F BAR0 + 0x47F
127 * -----------------------------------------------------------------------
128 * Misc registers 128 bytes BAR2 + 0x80 ~ BAR0 + 0x800 ~
129 * BAR2 + 0xfF BAR0 + 0x87F
130 * -----------------------------------------------------------------------
131 * We use bus_space_subregion() to get handle for the 3 different
132 * register space. Register address are relative to the base of each
133 * region.
134 */
135
136 /* Tx control and status. */
137 #define JME_TXCSR 0x0000
138 #define TXCSR_QWEIGHT_MASK 0x0F000000
139 #define TXCSR_QWEIGHT_SHIFT 24
140 #define TXCSR_TXQ_SEL_MASK 0x00070000
141 #define TXCSR_TXQ_SEL_SHIFT 16
142 #define TXCSR_TXQ_START 0x00000001
143 #define TXCSR_TXQ_START_SHIFT 8
144 #define TXCSR_FIFO_THRESH_4QW 0x00000000
145 #define TXCSR_FIFO_THRESH_8QW 0x00000040
146 #define TXCSR_FIFO_THRESH_12QW 0x00000080
147 #define TXCSR_FIFO_THRESH_16QW 0x000000C0
148 #define TXCSR_DMA_SIZE_64 0x00000000
149 #define TXCSR_DMA_SIZE_128 0x00000010
150 #define TXCSR_DMA_SIZE_256 0x00000020
151 #define TXCSR_DMA_SIZE_512 0x00000030
152 #define TXCSR_DMA_BURST 0x00000004
153 #define TXCSR_TX_SUSPEND 0x00000002
154 #define TXCSR_TX_ENB 0x00000001
155 #define TXCSR_TXQ0 0
156 #define TXCSR_TXQ1 1
157 #define TXCSR_TXQ2 2
158 #define TXCSR_TXQ3 3
159 #define TXCSR_TXQ4 4
160 #define TXCSR_TXQ5 5
161 #define TXCSR_TXQ6 6
162 #define TXCSR_TXQ7 7
163 #define TXCSR_TXQ_WEIGHT(x) \
164 (((x) << TXCSR_QWEIGHT_SHIFT) & TXCSR_QWEIGHT_MASK)
165 #define TXCSR_TXQ_WEIGHT_MIN 0
166 #define TXCSR_TXQ_WEIGHT_MAX 15
167 #define TXCSR_TXQ_N_SEL(x) \
168 (((x) << TXCSR_TXQ_SEL_SHIFT) & TXCSR_TXQ_SEL_MASK)
169 #define TXCSR_TXQ_N_START(x) \
170 (TXCSR_TXQ_START << (TXCSR_TXQ_START_SHIFT + (x)))
171
172 /* Tx queue descriptor base address. 16bytes alignment required. */
173 #define JME_TXDBA_LO 0x0004
174 #define JME_TXDBA_HI 0x0008
175
176 /* Tx queue descriptor count. multiple of 16(max = 1024). */
177 #define JME_TXQDC 0x000C
178 #define TXQDC_MASK 0x0000007F0
179
180 /* Tx queue next descriptor address. */
181 #define JME_TXNDA 0x0010
182 #define TXNDA_ADDR_MASK 0xFFFFFFF0
183 #define TXNDA_DESC_EMPTY 0x00000008
184 #define TXNDA_DESC_VALID 0x00000004
185 #define TXNDA_DESC_WAIT 0x00000002
186 #define TXNDA_DESC_FETCH 0x00000001
187
188 /* Tx MAC control ans status. */
189 #define JME_TXMAC 0x0014
190 #define TXMAC_IFG2_MASK 0xC0000000
191 #define TXMAC_IFG2_DEFAULT 0x40000000
192 #define TXMAC_IFG1_MASK 0x30000000
193 #define TXMAC_IFG1_DEFAULT 0x20000000
194 #define TXMAC_THRESH_1_PKT 0x00000300
195 #define TXMAC_THRESH_1_2_PKT 0x00000200
196 #define TXMAC_THRESH_1_4_PKT 0x00000100
197 #define TXMAC_THRESH_1_8_PKT 0x00000000
198 #define TXMAC_FRAME_BURST 0x00000080
199 #define TXMAC_CARRIER_EXT 0x00000040
200 #define TXMAC_IFG_ENB 0x00000020
201 #define TXMAC_BACKOFF 0x00000010
202 #define TXMAC_CARRIER_SENSE 0x00000008
203 #define TXMAC_COLL_ENB 0x00000004
204 #define TXMAC_CRC_ENB 0x00000002
205 #define TXMAC_PAD_ENB 0x00000001
206
207 /* Tx pause frame control. */
208 #define JME_TXPFC 0x0018
209 #define TXPFC_VLAN_TAG_MASK 0xFFFF0000
210 #define TXPFC_VLAN_TAG_SHIFT 16
211 #define TXPFC_VLAN_ENB 0x00008000
212 #define TXPFC_PAUSE_ENB 0x00000001
213
214 /* Tx timer/retry at half duplex. */
215 #define JME_TXTRHD 0x001C
216 #define TXTRHD_RT_PERIOD_ENB 0x80000000
217 #define TXTRHD_RT_PERIOD_MASK 0x7FFFFF00
218 #define TXTRHD_RT_PERIOD_SHIFT 8
219 #define TXTRHD_RT_LIMIT_ENB 0x00000080
220 #define TXTRHD_RT_LIMIT_MASK 0x0000007F
221 #define TXTRHD_RT_LIMIT_SHIFT 0
222 #define TXTRHD_RT_PERIOD_DEFAULT 8192
223 #define TXTRHD_RT_LIMIT_DEFAULT 8
224
225 /* Rx control & status. */
226 #define JME_RXCSR 0x0020
227 #define RXCSR_FIFO_FTHRESH_16T 0x00000000
228 #define RXCSR_FIFO_FTHRESH_32T 0x10000000
229 #define RXCSR_FIFO_FTHRESH_64T 0x20000000
230 #define RXCSR_FIFO_FTHRESH_128T 0x30000000
231 #define RXCSR_FIFO_FTHRESH_MASK 0x30000000
232 #define RXCSR_FIFO_THRESH_16QW 0x00000000
233 #define RXCSR_FIFO_THRESH_32QW 0x04000000
234 #define RXCSR_FIFO_THRESH_64QW 0x08000000
235 #define RXCSR_FIFO_THRESH_128QW 0x0C000000
236 #define RXCSR_FIFO_THRESH_MASK 0x0C000000
237 #define RXCSR_DMA_SIZE_16 0x00000000
238 #define RXCSR_DMA_SIZE_32 0x01000000
239 #define RXCSR_DMA_SIZE_64 0x02000000
240 #define RXCSR_DMA_SIZE_128 0x03000000
241 #define RXCSR_RXQ_SEL_MASK 0x00030000
242 #define RXCSR_RXQ_SEL_SHIFT 16
243 #define RXCSR_DESC_RT_GAP_MASK 0x0000F000
244 #define RXCSR_DESC_RT_GAP_SHIFT 12
245 #define RXCSR_DESC_RT_GAP_256 0x00000000
246 #define RXCSR_DESC_RT_GAP_512 0x00001000
247 #define RXCSR_DESC_RT_GAP_1024 0x00002000
248 #define RXCSR_DESC_RT_GAP_2048 0x00003000
249 #define RXCSR_DESC_RT_GAP_4096 0x00004000
250 #define RXCSR_DESC_RT_GAP_8192 0x00005000
251 #define RXCSR_DESC_RT_GAP_16384 0x00006000
252 #define RXCSR_DESC_RT_GAP_32768 0x00007000
253 #define RXCSR_DESC_RT_CNT_MASK 0x00000F00
254 #define RXCSR_DESC_RT_CNT_SHIFT 8
255 #define RXCSR_PASS_WAKEUP_PKT 0x00000040
256 #define RXCSR_PASS_MAGIC_PKT 0x00000020
257 #define RXCSR_PASS_RUNT_PKT 0x00000010
258 #define RXCSR_PASS_BAD_PKT 0x00000008
259 #define RXCSR_RXQ_START 0x00000004
260 #define RXCSR_RX_SUSPEND 0x00000002
261 #define RXCSR_RX_ENB 0x00000001
262
263 #define RXCSR_RXQ_N_SEL(x) ((x) << RXCSR_RXQ_SEL_SHIFT)
264 #define RXCSR_RXQ0 0
265 #define RXCSR_RXQ1 1
266 #define RXCSR_RXQ2 2
267 #define RXCSR_RXQ3 3
268 #define RXCSR_DESC_RT_CNT(x) \
269 ((((x) / 4) << RXCSR_DESC_RT_CNT_SHIFT) & RXCSR_DESC_RT_CNT_MASK)
270 #define RXCSR_DESC_RT_CNT_DEFAULT 32
271
272 /* Rx queue descriptor base address. 16bytes alignment needed. */
273 #define JME_RXDBA_LO 0x0024
274 #define JME_RXDBA_HI 0x0028
275
276 /* Rx queue descriptor count. multiple of 16(max = 1024). */
277 #define JME_RXQDC 0x002C
278 #define RXQDC_MASK 0x0000007F0
279
280 /* Rx queue next descriptor address. */
281 #define JME_RXNDA 0x0030
282 #define RXNDA_ADDR_MASK 0xFFFFFFF0
283 #define RXNDA_DESC_EMPTY 0x00000008
284 #define RXNDA_DESC_VALID 0x00000004
285 #define RXNDA_DESC_WAIT 0x00000002
286 #define RXNDA_DESC_FETCH 0x00000001
287
288 /* Rx MAC control and status. */
289 #define JME_RXMAC 0x0034
290 #define RXMAC_RSS_UNICAST 0x00000000
291 #define RXMAC_RSS_UNI_MULTICAST 0x00010000
292 #define RXMAC_RSS_UNI_MULTI_BROADCAST 0x00020000
293 #define RXMAC_RSS_ALLFRAME 0x00030000
294 #define RXMAC_PROMISC 0x00000800
295 #define RXMAC_BROADCAST 0x00000400
296 #define RXMAC_MULTICAST 0x00000200
297 #define RXMAC_UNICAST 0x00000100
298 #define RXMAC_ALLMULTI 0x00000080
299 #define RXMAC_MULTICAST_FILTER 0x00000040
300 #define RXMAC_COLL_DET_ENB 0x00000020
301 #define RXMAC_FC_ENB 0x00000008
302 #define RXMAC_VLAN_ENB 0x00000004
303 #define RXMAC_PAD_10BYTES 0x00000002
304 #define RXMAC_CSUM_ENB 0x00000001
305
306 /* Rx unicast MAC address. */
307 #define JME_PAR0 0x0038
308 #define JME_PAR1 0x003C
309
310 /* Rx multicast address hash table. */
311 #define JME_MAR0 0x0040
312 #define JME_MAR1 0x0044
313
314 /* Wakeup frame output data port. */
315 #define JME_WFODP 0x0048
316
317 /* Wakeup frame output interface. */
318 #define JME_WFOI 0x004C
319 #define WFOI_MASK_0_31 0x00000000
320 #define WFOI_MASK_31_63 0x00000010
321 #define WFOI_MASK_64_95 0x00000020
322 #define WFOI_MASK_96_127 0x00000030
323 #define WFOI_MASK_SEL 0x00000008
324 #define WFOI_CRC_SEL 0x00000000
325 #define WFOI_WAKEUP_FRAME_MASK 0x00000007
326 #define WFOI_WAKEUP_FRAME_SEL(x) ((x) & WFOI_WAKEUP_FRAME_MASK)
327
328 /* Station management interface. */
329 #define JME_SMI 0x0050
330 #define SMI_DATA_MASK 0xFFFF0000
331 #define SMI_DATA_SHIFT 16
332 #define SMI_REG_ADDR_MASK 0x0000F800
333 #define SMI_REG_ADDR_SHIFT 11
334 #define SMI_PHY_ADDR_MASK 0x000007C0
335 #define SMI_PHY_ADDR_SHIFT 6
336 #define SMI_OP_WRITE 0x00000020
337 #define SMI_OP_READ 0x00000000
338 #define SMI_OP_EXECUTE 0x00000010
339 #define SMI_MDIO 0x00000008
340 #define SMI_MDOE 0x00000004
341 #define SMI_MDC 0x00000002
342 #define SMI_MDEN 0x00000001
343 #define SMI_REG_ADDR(x) \
344 (((x) << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK)
345 #define SMI_PHY_ADDR(x) \
346 (((x) << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK)
347
348 /* Global host control. */
349 #define JME_GHC 0x0054
350 #define GHC_LOOPBACK 0x80000000
351 #define GHC_RESET 0x40000000
352 #define GHC_CLKSRC_10_100 0x00a00000
353 #define GHC_CLKSRC_1000 0x00500000
354 #define GHC_CLKSRC_MASK 0x00f00000
355 #define GHC_FULL_DUPLEX 0x00000040
356 #define GHC_SPEED_UNKNOWN 0x00000000
357 #define GHC_SPEED_10 0x00000010
358 #define GHC_SPEED_100 0x00000020
359 #define GHC_SPEED_1000 0x00000030
360 #define GHC_SPEED_MASK 0x00000030
361 #define GHC_LINK_OFF 0x00000004
362 #define GHC_LINK_ON 0x00000002
363 #define GHC_LINK_STAT_POLLING 0x00000001
364
365 /* Power management control and status. */
366 #define JME_PMCS 0x0060
367 #define PMCS_WAKEUP_FRAME_7 0x80000000
368 #define PMCS_WAKEUP_FRAME_6 0x40000000
369 #define PMCS_WAKEUP_FRAME_5 0x20000000
370 #define PMCS_WAKEUP_FRAME_4 0x10000000
371 #define PMCS_WAKEUP_FRAME_3 0x08000000
372 #define PMCS_WAKEUP_FRAME_2 0x04000000
373 #define PMCS_WAKEUP_FRAME_1 0x02000000
374 #define PMCS_WAKEUP_FRAME_0 0x01000000
375 #define PMCS_LINK_FAIL 0x00040000
376 #define PMCS_LINK_RISING 0x00020000
377 #define PMCS_MAGIC_FRAME 0x00010000
378 #define PMCS_WAKEUP_FRAME_7_ENB 0x00008000
379 #define PMCS_WAKEUP_FRAME_6_ENB 0x00004000
380 #define PMCS_WAKEUP_FRAME_5_ENB 0x00002000
381 #define PMCS_WAKEUP_FRAME_4_ENB 0x00001000
382 #define PMCS_WAKEUP_FRAME_3_ENB 0x00000800
383 #define PMCS_WAKEUP_FRAME_2_ENB 0x00000400
384 #define PMCS_WAKEUP_FRAME_1_ENB 0x00000200
385 #define PMCS_WAKEUP_FRAME_0_ENB 0x00000100
386 #define PMCS_LINK_FAIL_ENB 0x00000004
387 #define PMCS_LINK_RISING_ENB 0x00000002
388 #define PMCS_MAGIC_FRAME_ENB 0x00000001
389 #define PMCS_WOL_ENB_MASK 0x0000FFFF
390
391
392 #define JME_PHY_EEPROM_BASE_MEMOFF 0x0400
393 #define JME_PHY_EEPROM_BASE_IOOFF 0x0000
394 #define JME_PHY_EEPROM_SIZE 0x0080
395 /* Giga PHY & EEPROM registers. */
396 #define JME_PHY_EEPROM_BASE_ADDR 0x00
397
398 #define JME_GIGAR0LO 0x00
399 #define JME_GIGAR0HI 0x04
400 #define JME_GIGARALO 0x08
401 #define JME_GIGARAHI 0x0C
402 #define JME_GIGARBLO 0x10
403 #define JME_GIGARBHI 0x14
404 #define JME_GIGARCLO 0x18
405 #define JME_GIGARCHI 0x1C
406 #define JME_GIGARDLO 0x20
407 #define JME_GIGARDHI 0x24
408
409 /* BIST status and control. */
410 #define JME_GIGACSR 0x28
411 #define GIGACSR_STATUS 0x40000000
412 #define GIGACSR_CTRL_MASK 0x30000000
413 #define GIGACSR_CTRL_DEFAULT 0x30000000
414 #define GIGACSR_TX_CLK_MASK 0x0F000000
415 #define GIGACSR_RX_CLK_MASK 0x00F00000
416 #define GIGACSR_TX_CLK_INV 0x00080000
417 #define GIGACSR_RX_CLK_INV 0x00040000
418 #define GIGACSR_PHY_RST 0x00010000
419 #define GIGACSR_IRQ_N_O 0x00001000
420 #define GIGACSR_BIST_OK 0x00000200
421 #define GIGACSR_BIST_DONE 0x00000100
422 #define GIGACSR_BIST_LED_ENB 0x00000010
423 #define GIGACSR_BIST_MASK 0x00000003
424
425 /* PHY Link Status. */
426 #define JME_LNKSTS 0x30
427 #define LINKSTS_SPEED_10 0x00000000
428 #define LINKSTS_SPEED_100 0x00004000
429 #define LINKSTS_SPEED_1000 0x00008000
430 #define LINKSTS_FULL_DUPLEX 0x00002000
431 #define LINKSTS_PAGE_RCVD 0x00001000
432 #define LINKSTS_SPDDPX_RESOLVED 0x00000800
433 #define LINKSTS_UP 0x00000400
434 #define LINKSTS_ANEG_COMP 0x00000200
435 #define LINKSTS_MDI_CROSSOVR 0x00000040
436 #define LINKSTS_LPAR_PAUSE_ASYM 0x00000002
437 #define LINKSTS_LPAR_PAUSE 0x00000001
438
439 /* SMB control and status. */
440 #define JME_SMBCSR 0x40
441 #define SMBCSR_SLAVE_ADDR_MASK 0x7F000000
442 #define SMBCSR_WR_DATA_NACK 0x00040000
443 #define SMBCSR_CMD_NACK 0x00020000
444 #define SMBCSR_RELOAD 0x00010000
445 #define SMBCSR_CMD_ADDR_MASK 0x0000FF00
446 #define SMBCSR_SCL_STAT 0x00000080
447 #define SMBCSR_SDA_STAT 0x00000040
448 #define SMBCSR_EEPROM_PRESENT 0x00000020
449 #define SMBCSR_INIT_LD_DONE 0x00000010
450 #define SMBCSR_HW_BUSY_MASK 0x0000000F
451 #define SMBCSR_HW_IDLE 0x00000000
452
453 /* SMB interface. */
454 #define JME_SMBINTF 0x44
455 #define SMBINTF_RD_DATA_MASK 0xFF000000
456 #define SMBINTF_RD_DATA_SHIFT 24
457 #define SMBINTF_WR_DATA_MASK 0x00FF0000
458 #define SMBINTF_WR_DATA_SHIFT 16
459 #define SMBINTF_ADDR_MASK 0x0000FF00
460 #define SMBINTF_ADDR_SHIFT 8
461 #define SMBINTF_RD 0x00000020
462 #define SMBINTF_WR 0x00000000
463 #define SMBINTF_CMD_TRIGGER 0x00000010
464 #define SMBINTF_BUSY 0x00000010
465 #define SMBINTF_FAST_MODE 0x00000008
466 #define SMBINTF_GPIO_SCL 0x00000004
467 #define SMBINTF_GPIO_SDA 0x00000002
468 #define SMBINTF_GPIO_ENB 0x00000001
469
470 #define JME_EEPROM_SIG0 0x55
471 #define JME_EEPROM_SIG1 0xAA
472 #define JME_EEPROM_DESC_BYTES 3
473 #define JME_EEPROM_DESC_END 0x80
474 #define JME_EEPROM_FUNC_MASK 0x70
475 #define JME_EEPROM_FUNC_SHIFT 4
476 #define JME_EEPROM_PAGE_MASK 0x0F
477 #define JME_EEPROM_PAGE_SHIFT 0
478
479 #define JME_EEPROM_FUNC0 0
480 /* PCI configuration space. */
481 #define JME_EEPROM_PAGE_BAR0 0
482 /* 128 bytes I/O window. */
483 #define JME_EEPROM_PAGE_BAR1 1
484 /* 256 bytes I/O window. */
485 #define JME_EEPROM_PAGE_BAR2 2
486
487 #define JME_EEPROM_END 0xFF
488
489 #define JME_EEPROM_MKDESC(f, p) \
490 ((((f) & JME_EEPROM_FUNC_MASK) << JME_EEPROM_FUNC_SHIFT) | \
491 (((p) & JME_EEPROM_PAGE_MASK) << JME_EEPROM_PAGE_SHIFT))
492
493 /* 3-wire EEPROM interface. Obsolete interface, use SMBCSR. */
494 #define JME_EEPINTF 0x48
495 #define EEPINTF_DATA_MASK 0xFFFF0000
496 #define EEPINTF_DATA_SHIFT 16
497 #define EEPINTF_ADDR_MASK 0x0000FC00
498 #define EEPINTF_ADDR_SHIFT 10
499 #define EEPRINTF_OP_MASK 0x00000300
500 #define EEPINTF_OP_EXECUTE 0x00000080
501 #define EEPINTF_DATA_OUT 0x00000008
502 #define EEPINTF_DATA_IN 0x00000004
503 #define EEPINTF_CLK 0x00000002
504 #define EEPINTF_SEL 0x00000001
505
506 /* 3-wire EEPROM control and status. Obsolete interface, use SMBCSR. */
507 #define JME_EEPCSR 0x4C
508 #define EEPCSR_EEPROM_RELOAD 0x00000002
509 #define EEPCSR_EEPROM_PRESENT 0x00000001
510
511 /* Misc registers. */
512 #define JME_MISC_BASE_MEMOFF 0x800
513 #define JME_MISC_BASE_IOOFF 0x080
514 #define JME_MISC_SIZE 0x080
515
516 /* Timer control and status. */
517 #define JME_TMCSR 0x00
518 #define TMCSR_SW_INTR 0x80000000
519 #define TMCSR_TIMER_INTR 0x10000000
520 #define TMCSR_TIMER_ENB 0x01000000
521 #define TMCSR_TIMER_COUNT_MASK 0x00FFFFFF
522
523 /* GPIO control and status. */
524 #define JME_GPIO 0x04
525 #define GPIO_4_SPI_IN 0x80000000
526 #define GPIO_3_SPI_IN 0x40000000
527 #define GPIO_4_SPI_OUT 0x20000000
528 #define GPIO_4_SPI_OUT_ENB 0x10000000
529 #define GPIO_3_SPI_OUT 0x08000000
530 #define GPIO_3_SPI_OUT_ENB 0x04000000
531 #define GPIO_3_4_LED 0x00000000
532 #define GPIO_3_4_GPIO 0x02000000
533 #define GPIO_2_CLKREQN_IN 0x00100000
534 #define GPIO_2_CLKREQN_OUT 0x00040000
535 #define GPIO_2_CLKREQN_OUT_ENB 0x00020000
536 #define GPIO_1_LED42_IN 0x00001000
537 #define GPIO_1_LED42_OUT 0x00000400
538 #define GPIO_1_LED42_OUT_ENB 0x00000200
539 #define GPIO_1_LED42_ENB 0x00000100
540 #define GPIO_0_SDA_IN 0x00000010
541 #define GPIO_0_SDA_OUT 0x00000004
542 #define GPIO_0_SDA_OUT_ENB 0x00000002
543 #define GPIO_0_SDA_ENB 0x00000001
544
545 /* General purpose register 0. */
546 #define JME_GPREG0 0x08
547 #define GPREG0_SH_POST_DW7_DIS 0x80000000
548 #define GPREG0_SH_POST_DW6_DIS 0x40000000
549 #define GPREG0_SH_POST_DW5_DIS 0x20000000
550 #define GPREG0_SH_POST_DW4_DIS 0x10000000
551 #define GPREG0_SH_POST_DW3_DIS 0x08000000
552 #define GPREG0_SH_POST_DW2_DIS 0x04000000
553 #define GPREG0_SH_POST_DW1_DIS 0x02000000
554 #define GPREG0_SH_POST_DW0_DIS 0x01000000
555 #define GPREG0_DMA_RD_REQ_8 0x00000000
556 #define GPREG0_DMA_RD_REQ_6 0x00100000
557 #define GPREG0_DMA_RD_REQ_5 0x00200000
558 #define GPREG0_DMA_RD_REQ_4 0x00300000
559 #define GPREG0_POST_DW0_ENB 0x00040000
560 #define GPREG0_PCC_CLR_DIS 0x00020000
561 #define GPREG0_FORCE_SCL_OUT 0x00010000
562 #define GPREG0_DL_RSTB_DIS 0x00008000
563 #define GPREG0_STICKY_RESET 0x00004000
564 #define GPREG0_DL_RSTB_CFG_DIS 0x00002000
565 #define GPREG0_LINK_CHG_POLL 0x00001000
566 #define GPREG0_LINK_CHG_DIRECT 0x00000000
567 #define GPREG0_MSI_GEN_SEL 0x00000800
568 #define GPREG0_SMB_PAD_PU_DIS 0x00000400
569 #define GPREG0_PCC_UNIT_16US 0x00000000
570 #define GPREG0_PCC_UNIT_256US 0x00000100
571 #define GPREG0_PCC_UNIT_US 0x00000200
572 #define GPREG0_PCC_UNIT_MS 0x00000300
573 #define GPREG0_PCC_UNIT_MASK 0x00000300
574 #define GPREG0_INTR_EVENT_ENB 0x00000080
575 #define GPREG0_PME_ENB 0x00000020
576 #define GPREG0_PHY_ADDR_MASK 0x0000001F
577 #define GPREG0_PHY_ADDR_SHIFT 0
578 #define GPREG0_PHY_ADDR 1
579
580 /* General purpose register 1. */
581 #define JME_GPREG1 0x0C
582 #define GPREG1_RSS_IPV6_10_100 0x00000040 /* JMC250 A2 */
583 #define GPREG1_HDPX_FIX 0x00000020 /* JMC250 A2 */
584 #define GPREG1_INTDLY_UNIT_16US 0x00000018 /* JMC250 A1, A2 */
585 #define GPREG1_INTDLY_UNIT_1US 0x00000010 /* JMC250 A1, A2 */
586 #define GPREG1_INTDLY_UNIT_256NS 0x00000008 /* JMC250 A1, A2 */
587 #define GPREG1_INTDLY_UNIT_16NS 0x00000000 /* JMC250 A1, A2 */
588 #define GPREG1_INTDLY_MASK 0x00000007
589
590 /* MSIX entry number of interrupt source. */
591 #define JME_MSINUM_BASE 0x10
592 #define JME_MSINUM_END 0x1F
593 #define MSINUM_MASK 0x7FFFFFFF
594 #define MSINUM_ENTRY_MASK 7
595 #define MSINUM_REG_INDEX(x) ((x) / 8)
596 #define MSINUM_INTR_SOURCE(x, y) \
597 (((x) & MSINUM_ENTRY_MASK) << (((y) & 7) * 4))
598 #define MSINUM_NUM_INTR_SOURCE 32
599
600 /* Interrupt event status. */
601 #define JME_INTR_STATUS 0x20
602 #define INTR_SW 0x80000000
603 #define INTR_TIMER 0x40000000
604 #define INTR_LINKCHG 0x20000000
605 #define INTR_PAUSE 0x10000000
606 #define INTR_MAGIC_PKT 0x08000000
607 #define INTR_WAKEUP_PKT 0x04000000
608 #define INTR_RXQ0_COAL_TO 0x02000000
609 #define INTR_RXQ1_COAL_TO 0x01000000
610 #define INTR_RXQ2_COAL_TO 0x00800000
611 #define INTR_RXQ3_COAL_TO 0x00400000
612 #define INTR_TXQ_COAL_TO 0x00200000
613 #define INTR_RXQ0_COAL 0x00100000
614 #define INTR_RXQ1_COAL 0x00080000
615 #define INTR_RXQ2_COAL 0x00040000
616 #define INTR_RXQ3_COAL 0x00020000
617 #define INTR_TXQ_COAL 0x00010000
618 #define INTR_RXQ3_DESC_EMPTY 0x00008000
619 #define INTR_RXQ2_DESC_EMPTY 0x00004000
620 #define INTR_RXQ1_DESC_EMPTY 0x00002000
621 #define INTR_RXQ0_DESC_EMPTY 0x00001000
622 #define INTR_RXQ3_COMP 0x00000800
623 #define INTR_RXQ2_COMP 0x00000400
624 #define INTR_RXQ1_COMP 0x00000200
625 #define INTR_RXQ0_COMP 0x00000100
626 #define INTR_TXQ7_COMP 0x00000080
627 #define INTR_TXQ6_COMP 0x00000040
628 #define INTR_TXQ5_COMP 0x00000020
629 #define INTR_TXQ4_COMP 0x00000010
630 #define INTR_TXQ3_COMP 0x00000008
631 #define INTR_TXQ2_COMP 0x00000004
632 #define INTR_TXQ1_COMP 0x00000002
633 #define INTR_TXQ0_COMP 0x00000001
634
635 #define INTR_RXQ_COAL_TO \
636 (INTR_RXQ0_COAL_TO | INTR_RXQ1_COAL_TO | \
637 INTR_RXQ2_COAL_TO | INTR_RXQ3_COAL_TO)
638
639 #define INTR_RXQ_COAL \
640 (INTR_RXQ0_COAL | INTR_RXQ1_COAL | INTR_RXQ2_COAL | \
641 INTR_RXQ3_COAL)
642
643 #define INTR_RXQ_COMP \
644 (INTR_RXQ0_COMP | INTR_RXQ1_COMP | INTR_RXQ2_COMP | \
645 INTR_RXQ3_COMP)
646
647 #define INTR_RXQ_DESC_EMPTY \
648 (INTR_RXQ0_DESC_EMPTY | INTR_RXQ1_DESC_EMPTY | \
649 INTR_RXQ2_DESC_EMPTY | INTR_RXQ3_DESC_EMPTY)
650
651 #define INTR_RXQ_COMP \
652 (INTR_RXQ0_COMP | INTR_RXQ1_COMP | INTR_RXQ2_COMP | \
653 INTR_RXQ3_COMP)
654
655 #define INTR_TXQ_COMP \
656 (INTR_TXQ0_COMP | INTR_TXQ1_COMP | INTR_TXQ2_COMP | \
657 INTR_TXQ3_COMP | INTR_TXQ4_COMP | INTR_TXQ5_COMP | \
658 INTR_TXQ6_COMP | INTR_TXQ7_COMP)
659
660 #define JME_INTRS_ENABLE \
661 (INTR_RXQ_COAL_TO | INTR_TXQ_COAL_TO | INTR_RXQ_COAL | \
662 INTR_TXQ_COAL | INTR_RXQ_DESC_EMPTY)
663
664 #define JME_INTRS_CHECK (JME_INTRS_ENABLE | INTR_TXQ_COMP | INTR_RXQ_COMP)
665
666
667 #define N_INTR_SW 31
668 #define N_INTR_TIMER 30
669 #define N_INTR_LINKCHG 29
670 #define N_INTR_PAUSE 28
671 #define N_INTR_MAGIC_PKT 27
672 #define N_INTR_WAKEUP_PKT 26
673 #define N_INTR_RXQ0_COAL_TO 25
674 #define N_INTR_RXQ1_COAL_TO 24
675 #define N_INTR_RXQ2_COAL_TO 23
676 #define N_INTR_RXQ3_COAL_TO 22
677 #define N_INTR_TXQ_COAL_TO 21
678 #define N_INTR_RXQ0_COAL 20
679 #define N_INTR_RXQ1_COAL 19
680 #define N_INTR_RXQ2_COAL 18
681 #define N_INTR_RXQ3_COAL 17
682 #define N_INTR_TXQ_COAL 16
683 #define N_INTR_RXQ3_DESC_EMPTY 15
684 #define N_INTR_RXQ2_DESC_EMPTY 14
685 #define N_INTR_RXQ1_DESC_EMPTY 13
686 #define N_INTR_RXQ0_DESC_EMPTY 12
687 #define N_INTR_RXQ3_COMP 11
688 #define N_INTR_RXQ2_COMP 10
689 #define N_INTR_RXQ1_COMP 9
690 #define N_INTR_RXQ0_COMP 8
691 #define N_INTR_TXQ7_COMP 7
692 #define N_INTR_TXQ6_COMP 6
693 #define N_INTR_TXQ5_COMP 5
694 #define N_INTR_TXQ4_COMP 4
695 #define N_INTR_TXQ3_COMP 3
696 #define N_INTR_TXQ2_COMP 2
697 #define N_INTR_TXQ1_COMP 1
698 #define N_INTR_TXQ0_COMP 0
699
700 /* Interrupt request status. */
701 #define JME_INTR_REQ_STATUS 0x24
702
703 /* Interrupt enable - setting port. */
704 #define JME_INTR_MASK_SET 0x28
705
706 /* Interrupt enable - clearing port. */
707 #define JME_INTR_MASK_CLR 0x2C
708
709 /* Packet completion coalescing control of Rx queue 0, 1, 2 and 3. */
710 #define JME_PCCRX0 0x30
711 #define JME_PCCRX1 0x34
712 #define JME_PCCRX2 0x38
713 #define JME_PCCRX3 0x3C
714 #define PCCRX_COAL_TO_MASK 0xFFFF0000
715 #define PCCRX_COAL_TO_SHIFT 16
716 #define PCCRX_COAL_PKT_MASK 0x0000FF00
717 #define PCCRX_COAL_PKT_SHIFT 8
718
719 #define PCCRX_COAL_TO_MIN 1
720 #define PCCRX_COAL_TO_DEFAULT 100
721 #define PCCRX_COAL_TO_MAX 65535
722
723 #define PCCRX_COAL_PKT_MIN 1
724 #define PCCRX_COAL_PKT_DEFAULT 128
725 #define PCCRX_COAL_PKT_MAX 255
726
727 /* Packet completion coalescing control of Tx queue. */
728 #define JME_PCCTX 0x40
729 #define PCCTX_COAL_TO_MASK 0xFFFF0000
730 #define PCCTX_COAL_TO_SHIFT 16
731 #define PCCTX_COAL_PKT_MASK 0x0000FF00
732 #define PCCTX_COAL_PKT_SHIFT 8
733 #define PCCTX_COAL_TXQ7 0x00000080
734 #define PCCTX_COAL_TXQ6 0x00000040
735 #define PCCTX_COAL_TXQ5 0x00000020
736 #define PCCTX_COAL_TXQ4 0x00000010
737 #define PCCTX_COAL_TXQ3 0x00000008
738 #define PCCTX_COAL_TXQ2 0x00000004
739 #define PCCTX_COAL_TXQ1 0x00000002
740 #define PCCTX_COAL_TXQ0 0x00000001
741
742 #define PCCTX_COAL_TO_MIN 1
743 #define PCCTX_COAL_TO_DEFAULT 100
744 #define PCCTX_COAL_TO_MAX 65535
745
746 #define PCCTX_COAL_PKT_MIN 1
747 #define PCCTX_COAL_PKT_DEFAULT 128
748 #define PCCTX_COAL_PKT_MAX 255
749
750 /* Chip mode and FPGA version. */
751 #define JME_CHIPMODE 0x44
752 #define CHIPMODE_FPGA_REV_MASK 0xFFFF0000
753 #define CHIPMODE_FPGA_REV_SHIFT 16
754 #define CHIPMODE_NOT_FPGA 0
755 #define CHIPMODE_REV_MASK 0x0000FF00
756 #define CHIPMODE_REV_SHIFT 8
757 #define CHIPMODE_MODE_48P 0x0000000C
758 #define CHIPMODE_MODE_64P 0x00000004
759 #define CHIPMODE_MODE_128P_MAC 0x00000003
760 #define CHIPMODE_MODE_128P_DBG 0x00000002
761 #define CHIPMODE_MODE_128P_PHY 0x00000000
762
763 /* Shadow status base address high/low. */
764 #define JME_SHBASE_ADDR_HI 0x48
765 #define JME_SHBASE_ADDR_LO 0x4C
766 #define SHBASE_ADDR_LO_MASK 0xFFFFFFE0
767 #define SHBASE_POST_FORCE 0x00000002
768 #define SHBASE_POST_ENB 0x00000001
769
770 /* Timer 1 and 2. */
771 #define JME_TIMER1 0x70
772 #define JME_TIMER2 0x74
773 #define TIMER_ENB 0x01000000
774 #define TIMER_CNT_MASK 0x00FFFFFF
775 #define TIMER_CNT_SHIFT 0
776 #define TIMER_UNIT 1024 /* 1024us */
777
778 /* Aggressive power mode control. */
779 #define JME_APMC 0x7C
780 #define APMC_PCIE_SDOWN_STAT 0x80000000
781 #define APMC_PCIE_SDOWN_ENB 0x40000000
782 #define APMC_PSEUDO_HOT_PLUG 0x20000000
783 #define APMC_EXT_PLUGIN_ENB 0x04000000
784 #define APMC_EXT_PLUGIN_CTL_MSK 0x03000000
785 #define APMC_DIS_SRAM 0x00000004
786 #define APMC_DIS_CLKPM 0x00000002
787 #define APMC_DIS_CLKTX 0x00000001
788
789 /* Packet completion coalescing status of Rx queue 0, 1, 2 and 3. */
790 #define JME_PCCSRX_BASE 0x80
791 #define JME_PCCSRX_END 0x8F
792 #define PCCSRX_REG(x) (JME_PCCSRX_BASE + ((x) * 4))
793 #define PCCSRX_TO_MASK 0xFFFF0000
794 #define PCCSRX_TO_SHIFT 16
795 #define PCCSRX_PKT_CNT_MASK 0x0000FF00
796 #define PCCSRX_PKT_CNT_SHIFT 8
797
798 /* Packet completion coalescing status of Tx queue. */
799 #define JME_PCCSTX 0x90
800 #define PCCSTX_TO_MASK 0xFFFF0000
801 #define PCCSTX_TO_SHIFT 16
802 #define PCCSTX_PKT_CNT_MASK 0x0000FF00
803 #define PCCSTX_PKT_CNT_SHIFT 8
804
805 /* Tx queues empty indicator. */
806 #define JME_TXQEMPTY 0x94
807 #define TXQEMPTY_TXQ7 0x00000080
808 #define TXQEMPTY_TXQ6 0x00000040
809 #define TXQEMPTY_TXQ5 0x00000020
810 #define TXQEMPTY_TXQ4 0x00000010
811 #define TXQEMPTY_TXQ3 0x00000008
812 #define TXQEMPTY_TXQ2 0x00000004
813 #define TXQEMPTY_TXQ1 0x00000002
814 #define TXQEMPTY_TXQ0 0x00000001
815 #define TXQEMPTY_N_TXQ(x, y) ((x) & (0x01 << (y)))
816
817 /* RSS control registers. */
818 #define JME_RSS_BASE 0x0C00
819
820 #define JME_RSSC 0x0C00
821 #define RSSC_HASH_LEN_MASK 0x0000E000
822 #define RSSC_HASH_64_ENTRY 0x0000A000
823 #define RSSC_HASH_128_ENTRY 0x0000E000
824 #define RSSC_HASH_NONE 0x00001000
825 #define RSSC_HASH_IPV6 0x00000800
826 #define RSSC_HASH_IPV4 0x00000400
827 #define RSSC_HASH_IPV6_TCP 0x00000200
828 #define RSSC_HASH_IPV4_TCP 0x00000100
829 #define RSSC_NCPU_MASK 0x000000F8
830 #define RSSC_NCPU_SHIFT 3
831 #define RSSC_DIS_RSS 0x00000000
832 #define RSSC_2RXQ_ENB 0x00000001
833 #define RSSS_4RXQ_ENB 0x00000002
834
835 /* CPU vector. */
836 #define JME_RSSCPU 0x0C04
837 #define RSSCPU_N_SEL(x) ((1 << (x))
838
839 /* RSS Hash value. */
840 #define JME_RSSHASH 0x0C10
841
842 #define JME_RSSHASH_STAT 0x0C14
843
844 #define JME_RSS_RDATA0 0x0C18
845
846 #define JME_RSS_RDATA1 0x0C1C
847
848 /* RSS secret key. */
849 #define JME_RSSKEY_BASE 0x0C40
850 #define JME_RSSKEY_LAST 0x0C64
851 #define JME_RSSKEY_END 0x0C67
852 #define HASHKEY_NBYTES 40
853 #define RSSKEY_REG(x) (JME_RSSKEY_LAST - (4 * ((x) / 4)))
854 #define RSSKEY_VALUE(x, y) ((x) << (24 - 8 * ((y) % 4)))
855
856 /* RSS indirection table entries. */
857 #define JME_RSSTBL_BASE 0x0C80
858 #define JME_RSSTBL_END 0x0CFF
859 #define RSSTBL_NENTRY 128
860 #define RSSTBL_REG(x) (JME_RSSTBL_BASE + ((x) / 4))
861 #define RSSTBL_VALUE(x, y) ((x) << (8 * ((y) % 4)))
862
863 /* MSI-X table. */
864 #define JME_MSIX_BASE_ADDR 0x2000
865
866 #define JME_MSIX_BASE 0x2000
867 #define JME_MSIX_END 0x207F
868 #define JME_MSIX_NENTRY 8
869 #define MSIX_REG(x) (JME_MSIX_BASE + ((x) * 0x10))
870 #define MSIX_ADDR_HI_OFF 0x00
871 #define MSIX_ADDR_LO_OFF 0x04
872 #define MSIX_ADDR_LO_MASK 0xFFFFFFFC
873 #define MSIX_DATA_OFF 0x08
874 #define MSIX_VECTOR_OFF 0x0C
875 #define MSIX_VECTOR_RSVD 0x80000000
876 #define MSIX_VECTOR_DIS 0x00000001
877
878 /* MSI-X PBA. */
879 #define JME_MSIX_PBA_BASE_ADDR 0x3000
880
881 #define JME_MSIX_PBA 0x3000
882 #define MSIX_PBA_RSVD_MASK 0xFFFFFF00
883 #define MSIX_PBA_RSVD_SHIFT 8
884 #define MSIX_PBA_PEND_MASK 0x000000FF
885 #define MSIX_PBA_PEND_SHIFT 0
886 #define MSIX_PBA_PEND_ENTRY7 0x00000080
887 #define MSIX_PBA_PEND_ENTRY6 0x00000040
888 #define MSIX_PBA_PEND_ENTRY5 0x00000020
889 #define MSIX_PBA_PEND_ENTRY4 0x00000010
890 #define MSIX_PBA_PEND_ENTRY3 0x00000008
891 #define MSIX_PBA_PEND_ENTRY2 0x00000004
892 #define MSIX_PBA_PEND_ENTRY1 0x00000002
893 #define MSIX_PBA_PEND_ENTRY0 0x00000001
894
895 #define JME_PHY_OUI 0x001B8C
896 #define JME_PHY_MODEL 0x21
897 #define JME_PHY_REV 0x01
898 #define JME_PHY_ADDR 1
899
900 /* JMC250 shadow status block. */
901 struct jme_ssb {
902 uint32_t dw0;
903 uint32_t dw1;
904 uint32_t dw2;
905 uint32_t dw3;
906 uint32_t dw4;
907 uint32_t dw5;
908 uint32_t dw6;
909 uint32_t dw7;
910 };
911
912 /* JMC250 descriptor structures. */
913 struct jme_desc {
914 uint32_t flags;
915 uint32_t buflen;
916 uint32_t addr_hi;
917 uint32_t addr_lo;
918 };
919
920 #define JME_TD_OWN 0x80000000
921 #define JME_TD_INTR 0x40000000
922 #define JME_TD_64BIT 0x20000000
923 #define JME_TD_TCPCSUM 0x10000000
924 #define JME_TD_UDPCSUM 0x08000000
925 #define JME_TD_IPCSUM 0x04000000
926 #define JME_TD_TSO 0x02000000
927 #define JME_TD_VLAN_TAG 0x01000000
928 #define JME_TD_VLAN_MASK 0x0000FFFF
929
930 #define JME_TD_MSS_MASK 0xFFFC0000
931 #define JME_TD_MSS_SHIFT 18
932 #define JME_TD_BUF_LEN_MASK 0x0000FFFF
933 #define JME_TD_BUF_LEN_SHIFT 0
934
935 #define JME_TD_FRAME_LEN_MASK 0x0000FFFF
936 #define JME_TD_FRAME_LEN_SHIFT 0
937
938 /*
939 * Only the first Tx descriptor of a packet is updated
940 * after packet transmission.
941 */
942 #define JME_TD_TMOUT 0x20000000
943 #define JME_TD_RETRY_EXP 0x10000000
944 #define JME_TD_COLLISION 0x08000000
945 #define JME_TD_UNDERRUN 0x04000000
946 #define JME_TD_EHDR_SIZE_MASK 0x000000FF
947 #define JME_TD_EHDR_SIZE_SHIFT 0
948
949 #define JME_TD_SEG_CNT_MASK 0xFFFF0000
950 #define JME_TD_SEG_CNT_SHIFT 16
951 #define JME_TD_RETRY_CNT_MASK 0x0000FFFF
952 #define JME_TD_RETRY_CNT_SHIFT 0
953
954 #define JME_RD_OWN 0x80000000
955 #define JME_RD_INTR 0x40000000
956 #define JME_RD_64BIT 0x20000000
957
958 #define JME_RD_BUF_LEN_MASK 0x0000FFFF
959 #define JME_RD_BUF_LEN_SHIFT 0
960
961 /*
962 * Only the first Rx descriptor of a packet is updated
963 * after packet reception.
964 */
965 #define JME_RD_MORE_FRAG 0x20000000
966 #define JME_RD_TCP 0x10000000
967 #define JME_RD_UDP 0x08000000
968 #define JME_RD_IPCSUM 0x04000000
969 #define JME_RD_TCPCSUM 0x02000000
970 #define JME_RD_UDPCSUM 0x01000000
971 #define JME_RD_VLAN_TAG 0x00800000
972 #define JME_RD_IPV4 0x00400000
973 #define JME_RD_IPV6 0x00200000
974 #define JME_RD_PAUSE 0x00100000
975 #define JME_RD_MAGIC 0x00080000
976 #define JME_RD_WAKEUP 0x00040000
977 #define JME_RD_BCAST 0x00030000
978 #define JME_RD_MCAST 0x00020000
979 #define JME_RD_UCAST 0x00010000
980 #define JME_RD_VLAN_MASK 0x0000FFFF
981 #define JME_RD_VLAN_SHIFT 0
982 #define JME_RD_TCPV4 (JME_RD_IPV4|JME_RD_TCP)
983 #define JME_RD_UDPV4 (JME_RD_IPV4|JME_RD_UDP)
984 #define JME_RD_TCPV6 (JME_RD_IPV6|JME_RD_TCP)
985 #define JME_RD_UDPV6 (JME_RD_IPV6|JME_RD_UDP)
986
987 #define JME_RD_VALID 0x80000000
988 #define JME_RD_CNT_MASK 0x7F000000
989 #define JME_RD_CNT_SHIFT 24
990 #define JME_RD_GIANT 0x00800000
991 #define JME_RD_GMII_ERR 0x00400000
992 #define JME_RD_NBL_RCVD 0x00200000
993 #define JME_RD_COLL 0x00100000
994 #define JME_RD_ABORT 0x00080000
995 #define JME_RD_RUNT 0x00040000
996 #define JME_RD_FIFO_OVRN 0x00020000
997 #define JME_RD_CRC_ERR 0x00010000
998 #define JME_RD_FRAME_LEN_MASK 0x0000FFFF
999
1000 #define JME_RX_ERR_STAT \
1001 (JME_RD_GIANT | JME_RD_GMII_ERR | JME_RD_NBL_RCVD | \
1002 JME_RD_COLL | JME_RD_ABORT | JME_RD_RUNT | \
1003 JME_RD_FIFO_OVRN | JME_RD_CRC_ERR)
1004
1005 #define JME_RD_ERR_MASK 0x00FF0000
1006 #define JME_RD_ERR_SHIFT 16
1007 #define JME_RX_ERR(x) (((x) & JME_RD_ERR_MASK) >> JME_RD_ERR_SHIFT)
1008 #define JME_RX_ERR_BITS "\20" \
1009 "\1CRCERR\2FIFOOVRN\3RUNT\4ABORT" \
1010 "\5COLL\6NBLRCVD\7GMIIERR\10"
1011
1012 #define JME_RX_NSEGS(x) (((x) & JME_RD_CNT_MASK) >> JME_RD_CNT_SHIFT)
1013 #define JME_RX_BYTES(x) ((x) & JME_RD_FRAME_LEN_MASK)
1014 #define JME_RX_PAD_BYTES 10
1015
1016 #define JME_RD_RSS_HASH_VALUE 0xFFFFFFFF
1017
1018 #define JME_RD_RSS_HASH_MASK 0x00003F00
1019 #define JME_RD_RSS_HASH_SHIFT 8
1020 #define JME_RD_RSS_HASH_NONE 0x00000000
1021 #define JME_RD_RSS_HASH_IPV4 0x00000100
1022 #define JME_RD_RSS_HASH_IPV4TCP 0x00000200
1023 #define JME_RD_RSS_HASH_IPV6 0x00000400
1024 #define JME_RD_RSS_HASH_IPV6TCP 0x00001000
1025 #define JME_RD_HASH_FN_NONE 0x00000000
1026 #define JME_RD_HASH_FN_TOEPLITZ 0x00000001
1027
1028 #define JME_MAX_TX_LEN 65535
1029 #define JME_MAX_RX_LEN 65535
1030
1031 #define JME_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF)
1032 #define JME_ADDR_HI(x) ((uint64_t) (x) >> 32)
1033
1034 /*
1035 * JMC250 can't handle Tx checksum offload/TSO if frame length
1036 * is larger than its FIFO size(2K). It's also good idea to not
1037 * use jumbo frame if hardware is running at half-duplex media.
1038 * Because the jumbo frame may not fit into the Tx FIFO,
1039 * collisions make hardware fetch frame from host memory with
1040 * DMA again which in turn slows down Tx performance
1041 * significantly.
1042 */
1043 #define JME_TX_FIFO_SIZE 2000
1044 /*
1045 * JMC250 has just 4K Rx FIFO. To support jumbo frame that is
1046 * larger than 4K bytes in length, Rx FIFO threshold should be
1047 * adjusted to minimize Rx FIFO overrun.
1048 */
1049 #define JME_RX_FIFO_SIZE 4000
1050
1051 #endif
1052