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80105bef FF |
1 | /* |
2 | * Broadcom BCM7xxx System Port Ethernet MAC driver | |
3 | * | |
4 | * Copyright (C) 2014 Broadcom Corporation | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #ifndef __BCM_SYSPORT_H | |
12 | #define __BCM_SYSPORT_H | |
13 | ||
bb9051a2 | 14 | #include <linux/bitmap.h> |
80105bef | 15 | #include <linux/if_vlan.h> |
b6e0e875 | 16 | #include <linux/net_dim.h> |
80105bef FF |
17 | |
18 | /* Receive/transmit descriptor format */ | |
19 | #define DESC_ADDR_HI_STATUS_LEN 0x00 | |
20 | #define DESC_ADDR_HI_SHIFT 0 | |
21 | #define DESC_ADDR_HI_MASK 0xff | |
22 | #define DESC_STATUS_SHIFT 8 | |
23 | #define DESC_STATUS_MASK 0x3ff | |
24 | #define DESC_LEN_SHIFT 18 | |
25 | #define DESC_LEN_MASK 0x7fff | |
26 | #define DESC_ADDR_LO 0x04 | |
27 | ||
28 | /* HW supports 40-bit addressing hence the */ | |
29 | #define DESC_SIZE (WORDS_PER_DESC * sizeof(u32)) | |
30 | ||
31 | /* Default RX buffer allocation size */ | |
32 | #define RX_BUF_LENGTH 2048 | |
33 | ||
dab531b4 | 34 | /* Body(1500) + EH_SIZE(14) + VLANTAG(4) + BRCMTAG(4) + FCS(4) = 1526. |
80105bef FF |
35 | * 1536 is multiple of 256 bytes |
36 | */ | |
dab531b4 FF |
37 | #define ENET_BRCM_TAG_LEN 4 |
38 | #define ENET_PAD 10 | |
80105bef FF |
39 | #define UMAC_MAX_MTU_SIZE (ETH_DATA_LEN + ETH_HLEN + VLAN_HLEN + \ |
40 | ENET_BRCM_TAG_LEN + ETH_FCS_LEN + ENET_PAD) | |
41 | ||
42 | /* Transmit status block */ | |
3afc557d | 43 | struct bcm_tsb { |
80105bef FF |
44 | u32 pcp_dei_vid; |
45 | #define PCP_DEI_MASK 0xf | |
46 | #define VID_SHIFT 4 | |
47 | #define VID_MASK 0xfff | |
48 | u32 l4_ptr_dest_map; | |
49 | #define L4_CSUM_PTR_MASK 0x1ff | |
50 | #define L4_PTR_SHIFT 9 | |
51 | #define L4_PTR_MASK 0x1ff | |
52 | #define L4_UDP (1 << 18) | |
53 | #define L4_LENGTH_VALID (1 << 19) | |
54 | #define DEST_MAP_SHIFT 20 | |
55 | #define DEST_MAP_MASK 0x1ff | |
56 | }; | |
57 | ||
58 | /* Receive status block uses the same | |
59 | * definitions as the DMA descriptor | |
60 | */ | |
3afc557d | 61 | struct bcm_rsb { |
80105bef FF |
62 | u32 rx_status_len; |
63 | u32 brcm_egress_tag; | |
64 | }; | |
65 | ||
66 | /* Common Receive/Transmit status bits */ | |
67 | #define DESC_L4_CSUM (1 << 7) | |
68 | #define DESC_SOP (1 << 8) | |
69 | #define DESC_EOP (1 << 9) | |
70 | ||
71 | /* Receive Status bits */ | |
72 | #define RX_STATUS_UCAST 0 | |
73 | #define RX_STATUS_BCAST 0x04 | |
74 | #define RX_STATUS_MCAST 0x08 | |
75 | #define RX_STATUS_L2_MCAST 0x0c | |
76 | #define RX_STATUS_ERR (1 << 4) | |
77 | #define RX_STATUS_OVFLOW (1 << 5) | |
78 | #define RX_STATUS_PARSE_FAIL (1 << 6) | |
79 | ||
80 | /* Transmit Status bits */ | |
81 | #define TX_STATUS_VLAN_NO_ACT 0x00 | |
82 | #define TX_STATUS_VLAN_PCP_TSB 0x01 | |
83 | #define TX_STATUS_VLAN_QUEUE 0x02 | |
84 | #define TX_STATUS_VLAN_VID_TSB 0x03 | |
85 | #define TX_STATUS_OWR_CRC (1 << 2) | |
86 | #define TX_STATUS_APP_CRC (1 << 3) | |
87 | #define TX_STATUS_BRCM_TAG_NO_ACT 0 | |
88 | #define TX_STATUS_BRCM_TAG_ZERO 0x10 | |
89 | #define TX_STATUS_BRCM_TAG_ONE_QUEUE 0x20 | |
90 | #define TX_STATUS_BRCM_TAG_ONE_TSB 0x30 | |
91 | #define TX_STATUS_SKIP_BYTES (1 << 6) | |
92 | ||
93 | /* Specific register definitions */ | |
94 | #define SYS_PORT_TOPCTRL_OFFSET 0 | |
95 | #define REV_CNTL 0x00 | |
96 | #define REV_MASK 0xffff | |
97 | ||
98 | #define RX_FLUSH_CNTL 0x04 | |
99 | #define RX_FLUSH (1 << 0) | |
100 | ||
101 | #define TX_FLUSH_CNTL 0x08 | |
102 | #define TX_FLUSH (1 << 0) | |
103 | ||
104 | #define MISC_CNTL 0x0c | |
105 | #define SYS_CLK_SEL (1 << 0) | |
106 | #define TDMA_EOP_SEL (1 << 1) | |
107 | ||
108 | /* Level-2 Interrupt controller offsets and defines */ | |
109 | #define SYS_PORT_INTRL2_0_OFFSET 0x200 | |
110 | #define SYS_PORT_INTRL2_1_OFFSET 0x240 | |
111 | #define INTRL2_CPU_STATUS 0x00 | |
112 | #define INTRL2_CPU_SET 0x04 | |
113 | #define INTRL2_CPU_CLEAR 0x08 | |
114 | #define INTRL2_CPU_MASK_STATUS 0x0c | |
115 | #define INTRL2_CPU_MASK_SET 0x10 | |
116 | #define INTRL2_CPU_MASK_CLEAR 0x14 | |
117 | ||
118 | /* Level-2 instance 0 interrupt bits */ | |
119 | #define INTRL2_0_GISB_ERR (1 << 0) | |
120 | #define INTRL2_0_RBUF_OVFLOW (1 << 1) | |
121 | #define INTRL2_0_TBUF_UNDFLOW (1 << 2) | |
122 | #define INTRL2_0_MPD (1 << 3) | |
123 | #define INTRL2_0_BRCM_MATCH_TAG (1 << 4) | |
124 | #define INTRL2_0_RDMA_MBDONE (1 << 5) | |
125 | #define INTRL2_0_OVER_MAX_THRESH (1 << 6) | |
126 | #define INTRL2_0_BELOW_HYST_THRESH (1 << 7) | |
127 | #define INTRL2_0_FREE_LIST_EMPTY (1 << 8) | |
128 | #define INTRL2_0_TX_RING_FULL (1 << 9) | |
129 | #define INTRL2_0_DESC_ALLOC_ERR (1 << 10) | |
130 | #define INTRL2_0_UNEXP_PKTSIZE_ACK (1 << 11) | |
131 | ||
44a4524c FF |
132 | /* SYSTEMPORT Lite groups the TX queues interrupts on instance 0 */ |
133 | #define INTRL2_0_TDMA_MBDONE_SHIFT 12 | |
134 | #define INTRL2_0_TDMA_MBDONE_MASK (0xffff << INTRL2_0_TDMA_MBDONE_SHIFT) | |
135 | ||
80105bef FF |
136 | /* RXCHK offset and defines */ |
137 | #define SYS_PORT_RXCHK_OFFSET 0x300 | |
138 | ||
139 | #define RXCHK_CONTROL 0x00 | |
140 | #define RXCHK_EN (1 << 0) | |
141 | #define RXCHK_SKIP_FCS (1 << 1) | |
142 | #define RXCHK_BAD_CSUM_DIS (1 << 2) | |
143 | #define RXCHK_BRCM_TAG_EN (1 << 3) | |
144 | #define RXCHK_BRCM_TAG_MATCH_SHIFT 4 | |
145 | #define RXCHK_BRCM_TAG_MATCH_MASK 0xff | |
146 | #define RXCHK_PARSE_TNL (1 << 12) | |
147 | #define RXCHK_VIOL_EN (1 << 13) | |
148 | #define RXCHK_VIOL_DIS (1 << 14) | |
149 | #define RXCHK_INCOM_PKT (1 << 15) | |
150 | #define RXCHK_V6_DUPEXT_EN (1 << 16) | |
151 | #define RXCHK_V6_DUPEXT_DIS (1 << 17) | |
152 | #define RXCHK_ETHERTYPE_DIS (1 << 18) | |
153 | #define RXCHK_L2_HDR_DIS (1 << 19) | |
154 | #define RXCHK_L3_HDR_DIS (1 << 20) | |
155 | #define RXCHK_MAC_RX_ERR_DIS (1 << 21) | |
156 | #define RXCHK_PARSE_AUTH (1 << 22) | |
157 | ||
158 | #define RXCHK_BRCM_TAG0 0x04 | |
bb9051a2 | 159 | #define RXCHK_BRCM_TAG(i) ((i) * 0x4 + RXCHK_BRCM_TAG0) |
80105bef | 160 | #define RXCHK_BRCM_TAG0_MASK 0x24 |
bb9051a2 | 161 | #define RXCHK_BRCM_TAG_MASK(i) ((i) * 0x4 + RXCHK_BRCM_TAG0_MASK) |
80105bef FF |
162 | #define RXCHK_BRCM_TAG_MATCH_STATUS 0x44 |
163 | #define RXCHK_ETHERTYPE 0x48 | |
164 | #define RXCHK_BAD_CSUM_CNTR 0x4C | |
165 | #define RXCHK_OTHER_DISC_CNTR 0x50 | |
166 | ||
bb9051a2 FF |
167 | #define RXCHK_BRCM_TAG_MAX 8 |
168 | #define RXCHK_BRCM_TAG_CID_SHIFT 16 | |
169 | #define RXCHK_BRCM_TAG_CID_MASK 0xff | |
170 | ||
80105bef FF |
171 | /* TXCHCK offsets and defines */ |
172 | #define SYS_PORT_TXCHK_OFFSET 0x380 | |
173 | #define TXCHK_PKT_RDY_THRESH 0x00 | |
174 | ||
175 | /* Receive buffer offset and defines */ | |
176 | #define SYS_PORT_RBUF_OFFSET 0x400 | |
177 | ||
178 | #define RBUF_CONTROL 0x00 | |
179 | #define RBUF_RSB_EN (1 << 0) | |
180 | #define RBUF_4B_ALGN (1 << 1) | |
181 | #define RBUF_BRCM_TAG_STRIP (1 << 2) | |
182 | #define RBUF_BAD_PKT_DISC (1 << 3) | |
183 | #define RBUF_RESUME_THRESH_SHIFT 4 | |
184 | #define RBUF_RESUME_THRESH_MASK 0xff | |
185 | #define RBUF_OK_TO_SEND_SHIFT 12 | |
186 | #define RBUF_OK_TO_SEND_MASK 0xff | |
187 | #define RBUF_CRC_REPLACE (1 << 20) | |
188 | #define RBUF_OK_TO_SEND_MODE (1 << 21) | |
44a4524c FF |
189 | /* SYSTEMPORT Lite uses two bits here */ |
190 | #define RBUF_RSB_SWAP0 (1 << 22) | |
191 | #define RBUF_RSB_SWAP1 (1 << 23) | |
80105bef | 192 | #define RBUF_ACPI_EN (1 << 23) |
bb9051a2 | 193 | #define RBUF_ACPI_EN_LITE (1 << 24) |
80105bef FF |
194 | |
195 | #define RBUF_PKT_RDY_THRESH 0x04 | |
196 | ||
197 | #define RBUF_STATUS 0x08 | |
198 | #define RBUF_WOL_MODE (1 << 0) | |
199 | #define RBUF_MPD (1 << 1) | |
200 | #define RBUF_ACPI (1 << 2) | |
201 | ||
202 | #define RBUF_OVFL_DISC_CNTR 0x0c | |
203 | #define RBUF_ERR_PKT_CNTR 0x10 | |
204 | ||
205 | /* Transmit buffer offset and defines */ | |
206 | #define SYS_PORT_TBUF_OFFSET 0x600 | |
207 | ||
208 | #define TBUF_CONTROL 0x00 | |
209 | #define TBUF_BP_EN (1 << 0) | |
210 | #define TBUF_MAX_PKT_THRESH_SHIFT 1 | |
211 | #define TBUF_MAX_PKT_THRESH_MASK 0x1f | |
212 | #define TBUF_FULL_THRESH_SHIFT 8 | |
213 | #define TBUF_FULL_THRESH_MASK 0x1f | |
214 | ||
215 | /* UniMAC offset and defines */ | |
216 | #define SYS_PORT_UMAC_OFFSET 0x800 | |
217 | ||
218 | #define UMAC_CMD 0x008 | |
219 | #define CMD_TX_EN (1 << 0) | |
220 | #define CMD_RX_EN (1 << 1) | |
221 | #define CMD_SPEED_SHIFT 2 | |
222 | #define CMD_SPEED_10 0 | |
223 | #define CMD_SPEED_100 1 | |
224 | #define CMD_SPEED_1000 2 | |
225 | #define CMD_SPEED_2500 3 | |
226 | #define CMD_SPEED_MASK 3 | |
227 | #define CMD_PROMISC (1 << 4) | |
228 | #define CMD_PAD_EN (1 << 5) | |
229 | #define CMD_CRC_FWD (1 << 6) | |
230 | #define CMD_PAUSE_FWD (1 << 7) | |
231 | #define CMD_RX_PAUSE_IGNORE (1 << 8) | |
232 | #define CMD_TX_ADDR_INS (1 << 9) | |
233 | #define CMD_HD_EN (1 << 10) | |
234 | #define CMD_SW_RESET (1 << 13) | |
235 | #define CMD_LCL_LOOP_EN (1 << 15) | |
236 | #define CMD_AUTO_CONFIG (1 << 22) | |
237 | #define CMD_CNTL_FRM_EN (1 << 23) | |
238 | #define CMD_NO_LEN_CHK (1 << 24) | |
239 | #define CMD_RMT_LOOP_EN (1 << 25) | |
240 | #define CMD_PRBL_EN (1 << 27) | |
241 | #define CMD_TX_PAUSE_IGNORE (1 << 28) | |
242 | #define CMD_TX_RX_EN (1 << 29) | |
243 | #define CMD_RUNT_FILTER_DIS (1 << 30) | |
244 | ||
245 | #define UMAC_MAC0 0x00c | |
246 | #define UMAC_MAC1 0x010 | |
247 | #define UMAC_MAX_FRAME_LEN 0x014 | |
248 | ||
249 | #define UMAC_TX_FLUSH 0x334 | |
250 | ||
251 | #define UMAC_MIB_START 0x400 | |
252 | ||
253 | /* There is a 0xC gap between the end of RX and beginning of TX stats and then | |
254 | * between the end of TX stats and the beginning of the RX RUNT | |
255 | */ | |
256 | #define UMAC_MIB_STAT_OFFSET 0xc | |
257 | ||
258 | #define UMAC_MIB_CTRL 0x580 | |
259 | #define MIB_RX_CNT_RST (1 << 0) | |
260 | #define MIB_RUNT_CNT_RST (1 << 1) | |
261 | #define MIB_TX_CNT_RST (1 << 2) | |
83e82f4c | 262 | |
44a4524c | 263 | /* These offsets are valid for SYSTEMPORT and SYSTEMPORT Lite */ |
83e82f4c FF |
264 | #define UMAC_MPD_CTRL 0x620 |
265 | #define MPD_EN (1 << 0) | |
266 | #define MSEQ_LEN_SHIFT 16 | |
267 | #define MSEQ_LEN_MASK 0xff | |
268 | #define PSW_EN (1 << 27) | |
269 | ||
270 | #define UMAC_PSW_MS 0x624 | |
271 | #define UMAC_PSW_LS 0x628 | |
80105bef FF |
272 | #define UMAC_MDF_CTRL 0x650 |
273 | #define UMAC_MDF_ADDR 0x654 | |
274 | ||
44a4524c FF |
275 | /* Only valid on SYSTEMPORT Lite */ |
276 | #define SYS_PORT_GIB_OFFSET 0x1000 | |
277 | ||
278 | #define GIB_CONTROL 0x00 | |
279 | #define GIB_TX_EN (1 << 0) | |
280 | #define GIB_RX_EN (1 << 1) | |
281 | #define GIB_TX_FLUSH (1 << 2) | |
282 | #define GIB_RX_FLUSH (1 << 3) | |
283 | #define GIB_GTX_CLK_SEL_SHIFT 4 | |
284 | #define GIB_GTX_CLK_EXT_CLK (0 << GIB_GTX_CLK_SEL_SHIFT) | |
285 | #define GIB_GTX_CLK_125MHZ (1 << GIB_GTX_CLK_SEL_SHIFT) | |
286 | #define GIB_GTX_CLK_250MHZ (2 << GIB_GTX_CLK_SEL_SHIFT) | |
9e3bff92 FF |
287 | #define GIB_FCS_STRIP_SHIFT 6 |
288 | #define GIB_FCS_STRIP (1 << GIB_FCS_STRIP_SHIFT) | |
44a4524c FF |
289 | #define GIB_LCL_LOOP_EN (1 << 7) |
290 | #define GIB_LCL_LOOP_TXEN (1 << 8) | |
291 | #define GIB_RMT_LOOP_EN (1 << 9) | |
292 | #define GIB_RMT_LOOP_RXEN (1 << 10) | |
293 | #define GIB_RX_PAUSE_EN (1 << 11) | |
294 | #define GIB_PREAMBLE_LEN_SHIFT 12 | |
295 | #define GIB_PREAMBLE_LEN_MASK 0xf | |
296 | #define GIB_IPG_LEN_SHIFT 16 | |
297 | #define GIB_IPG_LEN_MASK 0x3f | |
298 | #define GIB_PAD_EXTENSION_SHIFT 22 | |
299 | #define GIB_PAD_EXTENSION_MASK 0x3f | |
300 | ||
301 | #define GIB_MAC1 0x08 | |
302 | #define GIB_MAC0 0x0c | |
303 | ||
80105bef FF |
304 | /* Receive DMA offset and defines */ |
305 | #define SYS_PORT_RDMA_OFFSET 0x2000 | |
306 | ||
307 | #define RDMA_CONTROL 0x1000 | |
308 | #define RDMA_EN (1 << 0) | |
309 | #define RDMA_RING_CFG (1 << 1) | |
310 | #define RDMA_DISC_EN (1 << 2) | |
311 | #define RDMA_BUF_DATA_OFFSET_SHIFT 4 | |
312 | #define RDMA_BUF_DATA_OFFSET_MASK 0x3ff | |
313 | ||
314 | #define RDMA_STATUS 0x1004 | |
315 | #define RDMA_DISABLED (1 << 0) | |
316 | #define RDMA_DESC_RAM_INIT_BUSY (1 << 1) | |
317 | #define RDMA_BP_STATUS (1 << 2) | |
318 | ||
319 | #define RDMA_SCB_BURST_SIZE 0x1008 | |
320 | ||
321 | #define RDMA_RING_BUF_SIZE 0x100c | |
322 | #define RDMA_RING_SIZE_SHIFT 16 | |
323 | ||
324 | #define RDMA_WRITE_PTR_HI 0x1010 | |
325 | #define RDMA_WRITE_PTR_LO 0x1014 | |
326 | #define RDMA_PROD_INDEX 0x1018 | |
327 | #define RDMA_PROD_INDEX_MASK 0xffff | |
328 | ||
329 | #define RDMA_CONS_INDEX 0x101c | |
330 | #define RDMA_CONS_INDEX_MASK 0xffff | |
331 | ||
332 | #define RDMA_START_ADDR_HI 0x1020 | |
333 | #define RDMA_START_ADDR_LO 0x1024 | |
334 | #define RDMA_END_ADDR_HI 0x1028 | |
335 | #define RDMA_END_ADDR_LO 0x102c | |
336 | ||
337 | #define RDMA_MBDONE_INTR 0x1030 | |
d0634868 | 338 | #define RDMA_INTR_THRESH_MASK 0x1ff |
80105bef FF |
339 | #define RDMA_TIMEOUT_SHIFT 16 |
340 | #define RDMA_TIMEOUT_MASK 0xffff | |
341 | ||
342 | #define RDMA_XON_XOFF_THRESH 0x1034 | |
343 | #define RDMA_XON_XOFF_THRESH_MASK 0xffff | |
344 | #define RDMA_XOFF_THRESH_SHIFT 16 | |
345 | ||
346 | #define RDMA_READ_PTR_HI 0x1038 | |
347 | #define RDMA_READ_PTR_LO 0x103c | |
348 | ||
349 | #define RDMA_OVERRIDE 0x1040 | |
350 | #define RDMA_LE_MODE (1 << 0) | |
351 | #define RDMA_REG_MODE (1 << 1) | |
352 | ||
353 | #define RDMA_TEST 0x1044 | |
354 | #define RDMA_TP_OUT_SEL (1 << 0) | |
355 | #define RDMA_MEM_SEL (1 << 1) | |
356 | ||
357 | #define RDMA_DEBUG 0x1048 | |
358 | ||
359 | /* Transmit DMA offset and defines */ | |
360 | #define TDMA_NUM_RINGS 32 /* rings = queues */ | |
361 | #define TDMA_PORT_SIZE DESC_SIZE /* two 32-bits words */ | |
362 | ||
363 | #define SYS_PORT_TDMA_OFFSET 0x4000 | |
364 | #define TDMA_WRITE_PORT_OFFSET 0x0000 | |
365 | #define TDMA_WRITE_PORT_HI(i) (TDMA_WRITE_PORT_OFFSET + \ | |
366 | (i) * TDMA_PORT_SIZE) | |
367 | #define TDMA_WRITE_PORT_LO(i) (TDMA_WRITE_PORT_OFFSET + \ | |
368 | sizeof(u32) + (i) * TDMA_PORT_SIZE) | |
369 | ||
370 | #define TDMA_READ_PORT_OFFSET (TDMA_WRITE_PORT_OFFSET + \ | |
371 | (TDMA_NUM_RINGS * TDMA_PORT_SIZE)) | |
372 | #define TDMA_READ_PORT_HI(i) (TDMA_READ_PORT_OFFSET + \ | |
373 | (i) * TDMA_PORT_SIZE) | |
374 | #define TDMA_READ_PORT_LO(i) (TDMA_READ_PORT_OFFSET + \ | |
375 | sizeof(u32) + (i) * TDMA_PORT_SIZE) | |
376 | ||
377 | #define TDMA_READ_PORT_CMD_OFFSET (TDMA_READ_PORT_OFFSET + \ | |
378 | (TDMA_NUM_RINGS * TDMA_PORT_SIZE)) | |
379 | #define TDMA_READ_PORT_CMD(i) (TDMA_READ_PORT_CMD_OFFSET + \ | |
380 | (i) * sizeof(u32)) | |
381 | ||
382 | #define TDMA_DESC_RING_00_BASE (TDMA_READ_PORT_CMD_OFFSET + \ | |
383 | (TDMA_NUM_RINGS * sizeof(u32))) | |
384 | ||
385 | /* Register offsets and defines relatives to a specific ring number */ | |
386 | #define RING_HEAD_TAIL_PTR 0x00 | |
387 | #define RING_HEAD_MASK 0x7ff | |
388 | #define RING_TAIL_SHIFT 11 | |
389 | #define RING_TAIL_MASK 0x7ff | |
390 | #define RING_FLUSH (1 << 24) | |
391 | #define RING_EN (1 << 25) | |
392 | ||
393 | #define RING_COUNT 0x04 | |
394 | #define RING_COUNT_MASK 0x7ff | |
395 | #define RING_BUFF_DONE_SHIFT 11 | |
396 | #define RING_BUFF_DONE_MASK 0x7ff | |
397 | ||
398 | #define RING_MAX_HYST 0x08 | |
399 | #define RING_MAX_THRESH_MASK 0x7ff | |
400 | #define RING_HYST_THRESH_SHIFT 11 | |
401 | #define RING_HYST_THRESH_MASK 0x7ff | |
402 | ||
403 | #define RING_INTR_CONTROL 0x0c | |
404 | #define RING_INTR_THRESH_MASK 0x7ff | |
405 | #define RING_EMPTY_INTR_EN (1 << 15) | |
406 | #define RING_TIMEOUT_SHIFT 16 | |
407 | #define RING_TIMEOUT_MASK 0xffff | |
408 | ||
409 | #define RING_PROD_CONS_INDEX 0x10 | |
410 | #define RING_PROD_INDEX_MASK 0xffff | |
411 | #define RING_CONS_INDEX_SHIFT 16 | |
412 | #define RING_CONS_INDEX_MASK 0xffff | |
413 | ||
414 | #define RING_MAPPING 0x14 | |
d1565763 | 415 | #define RING_QID_MASK 0x7 |
80105bef FF |
416 | #define RING_PORT_ID_SHIFT 3 |
417 | #define RING_PORT_ID_MASK 0x7 | |
418 | #define RING_IGNORE_STATUS (1 << 6) | |
419 | #define RING_FAILOVER_EN (1 << 7) | |
420 | #define RING_CREDIT_SHIFT 8 | |
421 | #define RING_CREDIT_MASK 0xffff | |
422 | ||
423 | #define RING_PCP_DEI_VID 0x18 | |
424 | #define RING_VID_MASK 0x7ff | |
425 | #define RING_DEI (1 << 12) | |
426 | #define RING_PCP_SHIFT 13 | |
427 | #define RING_PCP_MASK 0x7 | |
428 | #define RING_PKT_SIZE_ADJ_SHIFT 16 | |
429 | #define RING_PKT_SIZE_ADJ_MASK 0xf | |
430 | ||
431 | #define TDMA_DESC_RING_SIZE 28 | |
432 | ||
433 | /* Defininition for a given TX ring base address */ | |
434 | #define TDMA_DESC_RING_BASE(i) (TDMA_DESC_RING_00_BASE + \ | |
435 | ((i) * TDMA_DESC_RING_SIZE)) | |
436 | ||
437 | /* Ring indexed register addreses */ | |
438 | #define TDMA_DESC_RING_HEAD_TAIL_PTR(i) (TDMA_DESC_RING_BASE(i) + \ | |
439 | RING_HEAD_TAIL_PTR) | |
440 | #define TDMA_DESC_RING_COUNT(i) (TDMA_DESC_RING_BASE(i) + \ | |
441 | RING_COUNT) | |
442 | #define TDMA_DESC_RING_MAX_HYST(i) (TDMA_DESC_RING_BASE(i) + \ | |
443 | RING_MAX_HYST) | |
444 | #define TDMA_DESC_RING_INTR_CONTROL(i) (TDMA_DESC_RING_BASE(i) + \ | |
445 | RING_INTR_CONTROL) | |
446 | #define TDMA_DESC_RING_PROD_CONS_INDEX(i) \ | |
447 | (TDMA_DESC_RING_BASE(i) + \ | |
448 | RING_PROD_CONS_INDEX) | |
449 | #define TDMA_DESC_RING_MAPPING(i) (TDMA_DESC_RING_BASE(i) + \ | |
450 | RING_MAPPING) | |
451 | #define TDMA_DESC_RING_PCP_DEI_VID(i) (TDMA_DESC_RING_BASE(i) + \ | |
452 | RING_PCP_DEI_VID) | |
453 | ||
454 | #define TDMA_CONTROL 0x600 | |
44a4524c FF |
455 | #define TDMA_EN 0 |
456 | #define TSB_EN 1 | |
457 | /* Uses 2 bits on SYSTEMPORT Lite and shifts everything by 1 bit, we | |
458 | * keep the SYSTEMPORT layout here and adjust with tdma_control_bit() | |
459 | */ | |
487234cc FF |
460 | #define TSB_SWAP0 2 |
461 | #define TSB_SWAP1 3 | |
44a4524c | 462 | #define ACB_ALGO 3 |
80105bef FF |
463 | #define BUF_DATA_OFFSET_SHIFT 4 |
464 | #define BUF_DATA_OFFSET_MASK 0x3ff | |
44a4524c FF |
465 | #define VLAN_EN 14 |
466 | #define SW_BRCM_TAG 15 | |
467 | #define WNC_KPT_SIZE_UPDATE 16 | |
468 | #define SYNC_PKT_SIZE 17 | |
80105bef FF |
469 | #define ACH_TXDONE_DELAY_SHIFT 18 |
470 | #define ACH_TXDONE_DELAY_MASK 0xff | |
471 | ||
472 | #define TDMA_STATUS 0x604 | |
473 | #define TDMA_DISABLED (1 << 0) | |
474 | #define TDMA_LL_RAM_INIT_BUSY (1 << 1) | |
475 | ||
476 | #define TDMA_SCB_BURST_SIZE 0x608 | |
477 | #define TDMA_OVER_MAX_THRESH_STATUS 0x60c | |
478 | #define TDMA_OVER_HYST_THRESH_STATUS 0x610 | |
479 | #define TDMA_TPID 0x614 | |
480 | ||
481 | #define TDMA_FREE_LIST_HEAD_TAIL_PTR 0x618 | |
482 | #define TDMA_FREE_HEAD_MASK 0x7ff | |
483 | #define TDMA_FREE_TAIL_SHIFT 11 | |
484 | #define TDMA_FREE_TAIL_MASK 0x7ff | |
485 | ||
486 | #define TDMA_FREE_LIST_COUNT 0x61c | |
487 | #define TDMA_FREE_LIST_COUNT_MASK 0x7ff | |
488 | ||
489 | #define TDMA_TIER2_ARB_CTRL 0x620 | |
490 | #define TDMA_ARB_MODE_RR 0 | |
491 | #define TDMA_ARB_MODE_WEIGHT_RR 0x1 | |
492 | #define TDMA_ARB_MODE_STRICT 0x2 | |
493 | #define TDMA_ARB_MODE_DEFICIT_RR 0x3 | |
494 | #define TDMA_CREDIT_SHIFT 4 | |
495 | #define TDMA_CREDIT_MASK 0xffff | |
496 | ||
497 | #define TDMA_TIER1_ARB_0_CTRL 0x624 | |
498 | #define TDMA_ARB_EN (1 << 0) | |
499 | ||
500 | #define TDMA_TIER1_ARB_0_QUEUE_EN 0x628 | |
501 | #define TDMA_TIER1_ARB_1_CTRL 0x62c | |
502 | #define TDMA_TIER1_ARB_1_QUEUE_EN 0x630 | |
503 | #define TDMA_TIER1_ARB_2_CTRL 0x634 | |
504 | #define TDMA_TIER1_ARB_2_QUEUE_EN 0x638 | |
505 | #define TDMA_TIER1_ARB_3_CTRL 0x63c | |
506 | #define TDMA_TIER1_ARB_3_QUEUE_EN 0x640 | |
507 | ||
508 | #define TDMA_SCB_ENDIAN_OVERRIDE 0x644 | |
509 | #define TDMA_LE_MODE (1 << 0) | |
510 | #define TDMA_REG_MODE (1 << 1) | |
511 | ||
512 | #define TDMA_TEST 0x648 | |
513 | #define TDMA_TP_OUT_SEL (1 << 0) | |
514 | #define TDMA_MEM_TM (1 << 1) | |
515 | ||
516 | #define TDMA_DEBUG 0x64c | |
517 | ||
518 | /* Transmit/Receive descriptor */ | |
519 | struct dma_desc { | |
520 | u32 addr_status_len; | |
521 | u32 addr_lo; | |
522 | }; | |
523 | ||
524 | /* Number of Receive hardware descriptor words */ | |
44a4524c FF |
525 | #define SP_NUM_HW_RX_DESC_WORDS 1024 |
526 | #define SP_LT_NUM_HW_RX_DESC_WORDS 256 | |
80105bef | 527 | |
44a4524c FF |
528 | /* Internal linked-list RAM size */ |
529 | #define SP_NUM_TX_DESC 1536 | |
530 | #define SP_LT_NUM_TX_DESC 256 | |
80105bef FF |
531 | |
532 | #define WORDS_PER_DESC (sizeof(struct dma_desc) / sizeof(u32)) | |
533 | ||
534 | /* Rx/Tx common counter group.*/ | |
535 | struct bcm_sysport_pkt_counters { | |
536 | u32 cnt_64; /* RO Received/Transmited 64 bytes packet */ | |
537 | u32 cnt_127; /* RO Rx/Tx 127 bytes packet */ | |
538 | u32 cnt_255; /* RO Rx/Tx 65-255 bytes packet */ | |
539 | u32 cnt_511; /* RO Rx/Tx 256-511 bytes packet */ | |
540 | u32 cnt_1023; /* RO Rx/Tx 512-1023 bytes packet */ | |
541 | u32 cnt_1518; /* RO Rx/Tx 1024-1518 bytes packet */ | |
542 | u32 cnt_mgv; /* RO Rx/Tx 1519-1522 good VLAN packet */ | |
543 | u32 cnt_2047; /* RO Rx/Tx 1522-2047 bytes packet*/ | |
544 | u32 cnt_4095; /* RO Rx/Tx 2048-4095 bytes packet*/ | |
545 | u32 cnt_9216; /* RO Rx/Tx 4096-9216 bytes packet*/ | |
546 | }; | |
547 | ||
548 | /* RSV, Receive Status Vector */ | |
549 | struct bcm_sysport_rx_counters { | |
550 | struct bcm_sysport_pkt_counters pkt_cnt; | |
551 | u32 pkt; /* RO (0x428) Received pkt count*/ | |
552 | u32 bytes; /* RO Received byte count */ | |
553 | u32 mca; /* RO # of Received multicast pkt */ | |
554 | u32 bca; /* RO # of Receive broadcast pkt */ | |
555 | u32 fcs; /* RO # of Received FCS error */ | |
556 | u32 cf; /* RO # of Received control frame pkt*/ | |
557 | u32 pf; /* RO # of Received pause frame pkt */ | |
558 | u32 uo; /* RO # of unknown op code pkt */ | |
559 | u32 aln; /* RO # of alignment error count */ | |
560 | u32 flr; /* RO # of frame length out of range count */ | |
561 | u32 cde; /* RO # of code error pkt */ | |
562 | u32 fcr; /* RO # of carrier sense error pkt */ | |
563 | u32 ovr; /* RO # of oversize pkt*/ | |
564 | u32 jbr; /* RO # of jabber count */ | |
565 | u32 mtue; /* RO # of MTU error pkt*/ | |
566 | u32 pok; /* RO # of Received good pkt */ | |
567 | u32 uc; /* RO # of unicast pkt */ | |
568 | u32 ppp; /* RO # of PPP pkt */ | |
569 | u32 rcrc; /* RO (0x470),# of CRC match pkt */ | |
570 | }; | |
571 | ||
572 | /* TSV, Transmit Status Vector */ | |
573 | struct bcm_sysport_tx_counters { | |
574 | struct bcm_sysport_pkt_counters pkt_cnt; | |
575 | u32 pkts; /* RO (0x4a8) Transmited pkt */ | |
576 | u32 mca; /* RO # of xmited multicast pkt */ | |
577 | u32 bca; /* RO # of xmited broadcast pkt */ | |
578 | u32 pf; /* RO # of xmited pause frame count */ | |
579 | u32 cf; /* RO # of xmited control frame count */ | |
580 | u32 fcs; /* RO # of xmited FCS error count */ | |
581 | u32 ovr; /* RO # of xmited oversize pkt */ | |
582 | u32 drf; /* RO # of xmited deferral pkt */ | |
583 | u32 edf; /* RO # of xmited Excessive deferral pkt*/ | |
584 | u32 scl; /* RO # of xmited single collision pkt */ | |
585 | u32 mcl; /* RO # of xmited multiple collision pkt*/ | |
586 | u32 lcl; /* RO # of xmited late collision pkt */ | |
587 | u32 ecl; /* RO # of xmited excessive collision pkt*/ | |
588 | u32 frg; /* RO # of xmited fragments pkt*/ | |
589 | u32 ncl; /* RO # of xmited total collision count */ | |
590 | u32 jbr; /* RO # of xmited jabber count*/ | |
591 | u32 bytes; /* RO # of xmited byte count */ | |
592 | u32 pok; /* RO # of xmited good pkt */ | |
165996bd | 593 | u32 uc; /* RO (0x4f0) # of xmited unicast pkt */ |
80105bef FF |
594 | }; |
595 | ||
596 | struct bcm_sysport_mib { | |
597 | struct bcm_sysport_rx_counters rx; | |
598 | struct bcm_sysport_tx_counters tx; | |
599 | u32 rx_runt_cnt; | |
600 | u32 rx_runt_fcs; | |
601 | u32 rx_runt_fcs_align; | |
602 | u32 rx_runt_bytes; | |
603 | u32 rxchk_bad_csum; | |
604 | u32 rxchk_other_pkt_disc; | |
605 | u32 rbuf_ovflow_cnt; | |
606 | u32 rbuf_err_cnt; | |
60b4ea17 FF |
607 | u32 alloc_rx_buff_failed; |
608 | u32 rx_dma_failed; | |
609 | u32 tx_dma_failed; | |
a5d78ce7 FF |
610 | u32 tx_realloc_tsb; |
611 | u32 tx_realloc_tsb_failed; | |
80105bef FF |
612 | }; |
613 | ||
614 | /* HW maintains a large list of counters */ | |
615 | enum bcm_sysport_stat_type { | |
616 | BCM_SYSPORT_STAT_NETDEV = -1, | |
10377ba7 | 617 | BCM_SYSPORT_STAT_NETDEV64, |
80105bef FF |
618 | BCM_SYSPORT_STAT_MIB_RX, |
619 | BCM_SYSPORT_STAT_MIB_TX, | |
620 | BCM_SYSPORT_STAT_RUNT, | |
621 | BCM_SYSPORT_STAT_RXCHK, | |
622 | BCM_SYSPORT_STAT_RBUF, | |
55ff4ea9 | 623 | BCM_SYSPORT_STAT_SOFT, |
80105bef FF |
624 | }; |
625 | ||
626 | /* Macros to help define ethtool statistics */ | |
627 | #define STAT_NETDEV(m) { \ | |
628 | .stat_string = __stringify(m), \ | |
629 | .stat_sizeof = sizeof(((struct net_device_stats *)0)->m), \ | |
630 | .stat_offset = offsetof(struct net_device_stats, m), \ | |
631 | .type = BCM_SYSPORT_STAT_NETDEV, \ | |
632 | } | |
633 | ||
10377ba7 | 634 | #define STAT_NETDEV64(m) { \ |
635 | .stat_string = __stringify(m), \ | |
636 | .stat_sizeof = sizeof(((struct bcm_sysport_stats64 *)0)->m), \ | |
637 | .stat_offset = offsetof(struct bcm_sysport_stats64, m), \ | |
638 | .type = BCM_SYSPORT_STAT_NETDEV64, \ | |
639 | } | |
640 | ||
80105bef FF |
641 | #define STAT_MIB(str, m, _type) { \ |
642 | .stat_string = str, \ | |
643 | .stat_sizeof = sizeof(((struct bcm_sysport_priv *)0)->m), \ | |
644 | .stat_offset = offsetof(struct bcm_sysport_priv, m), \ | |
645 | .type = _type, \ | |
646 | } | |
647 | ||
648 | #define STAT_MIB_RX(str, m) STAT_MIB(str, m, BCM_SYSPORT_STAT_MIB_RX) | |
649 | #define STAT_MIB_TX(str, m) STAT_MIB(str, m, BCM_SYSPORT_STAT_MIB_TX) | |
650 | #define STAT_RUNT(str, m) STAT_MIB(str, m, BCM_SYSPORT_STAT_RUNT) | |
55ff4ea9 | 651 | #define STAT_MIB_SOFT(str, m) STAT_MIB(str, m, BCM_SYSPORT_STAT_SOFT) |
80105bef FF |
652 | |
653 | #define STAT_RXCHK(str, m, ofs) { \ | |
654 | .stat_string = str, \ | |
655 | .stat_sizeof = sizeof(((struct bcm_sysport_priv *)0)->m), \ | |
656 | .stat_offset = offsetof(struct bcm_sysport_priv, m), \ | |
657 | .type = BCM_SYSPORT_STAT_RXCHK, \ | |
658 | .reg_offset = ofs, \ | |
659 | } | |
660 | ||
661 | #define STAT_RBUF(str, m, ofs) { \ | |
662 | .stat_string = str, \ | |
663 | .stat_sizeof = sizeof(((struct bcm_sysport_priv *)0)->m), \ | |
664 | .stat_offset = offsetof(struct bcm_sysport_priv, m), \ | |
665 | .type = BCM_SYSPORT_STAT_RBUF, \ | |
666 | .reg_offset = ofs, \ | |
667 | } | |
668 | ||
30defeb2 FF |
669 | /* TX bytes and packets */ |
670 | #define NUM_SYSPORT_TXQ_STAT 2 | |
671 | ||
80105bef FF |
672 | struct bcm_sysport_stats { |
673 | char stat_string[ETH_GSTRING_LEN]; | |
674 | int stat_sizeof; | |
675 | int stat_offset; | |
676 | enum bcm_sysport_stat_type type; | |
677 | /* reg offset from UMAC base for misc counters */ | |
678 | u16 reg_offset; | |
679 | }; | |
680 | ||
10377ba7 | 681 | struct bcm_sysport_stats64 { |
682 | /* 64bit stats on 32bit/64bit Machine */ | |
683 | u64 rx_packets; | |
684 | u64 rx_bytes; | |
685 | u64 tx_packets; | |
686 | u64 tx_bytes; | |
687 | }; | |
688 | ||
80105bef FF |
689 | /* Software house keeping helper structure */ |
690 | struct bcm_sysport_cb { | |
691 | struct sk_buff *skb; /* SKB for RX packets */ | |
692 | void __iomem *bd_addr; /* Buffer descriptor PHYS addr */ | |
693 | ||
694 | DEFINE_DMA_UNMAP_ADDR(dma_addr); | |
695 | DEFINE_DMA_UNMAP_LEN(dma_len); | |
696 | }; | |
697 | ||
44a4524c FF |
698 | enum bcm_sysport_type { |
699 | SYSTEMPORT = 0, | |
700 | SYSTEMPORT_LITE, | |
701 | }; | |
702 | ||
703 | struct bcm_sysport_hw_params { | |
704 | bool is_lite; | |
705 | unsigned int num_rx_desc_words; | |
706 | }; | |
707 | ||
b6e0e875 FF |
708 | struct bcm_sysport_net_dim { |
709 | u16 use_dim; | |
710 | u16 event_ctr; | |
711 | unsigned long packets; | |
712 | unsigned long bytes; | |
b6e0e875 FF |
713 | struct net_dim dim; |
714 | }; | |
715 | ||
80105bef FF |
716 | /* Software view of the TX ring */ |
717 | struct bcm_sysport_tx_ring { | |
718 | spinlock_t lock; /* Ring lock for tx reclaim/xmit */ | |
719 | struct napi_struct napi; /* NAPI per tx queue */ | |
720 | dma_addr_t desc_dma; /* DMA cookie */ | |
721 | unsigned int index; /* Ring index */ | |
722 | unsigned int size; /* Ring current size */ | |
723 | unsigned int alloc_size; /* Ring one-time allocated size */ | |
724 | unsigned int desc_count; /* Number of descriptors */ | |
725 | unsigned int curr_desc; /* Current descriptor */ | |
726 | unsigned int c_index; /* Last consumer index */ | |
484d802d | 727 | unsigned int clean_index; /* Current clean index */ |
80105bef FF |
728 | struct bcm_sysport_cb *cbs; /* Transmit control blocks */ |
729 | struct dma_desc *desc_cpu; /* CPU view of the descriptor */ | |
730 | struct bcm_sysport_priv *priv; /* private context backpointer */ | |
30defeb2 FF |
731 | unsigned long packets; /* packets statistics */ |
732 | unsigned long bytes; /* bytes statistics */ | |
d1565763 FF |
733 | unsigned int switch_queue; /* switch port queue number */ |
734 | unsigned int switch_port; /* switch port queue number */ | |
3ded76a8 | 735 | bool inspect; /* inspect switch port and queue */ |
80105bef FF |
736 | }; |
737 | ||
738 | /* Driver private structure */ | |
739 | struct bcm_sysport_priv { | |
740 | void __iomem *base; | |
741 | u32 irq0_stat; | |
742 | u32 irq0_mask; | |
743 | u32 irq1_stat; | |
744 | u32 irq1_mask; | |
44a4524c FF |
745 | bool is_lite; |
746 | unsigned int num_rx_desc_words; | |
80105bef FF |
747 | struct napi_struct napi ____cacheline_aligned; |
748 | struct net_device *netdev; | |
749 | struct platform_device *pdev; | |
750 | int irq0; | |
751 | int irq1; | |
83e82f4c | 752 | int wol_irq; |
80105bef FF |
753 | |
754 | /* Transmit rings */ | |
7b78be48 | 755 | struct bcm_sysport_tx_ring *tx_rings; |
80105bef FF |
756 | |
757 | /* Receive queue */ | |
758 | void __iomem *rx_bds; | |
80105bef FF |
759 | struct bcm_sysport_cb *rx_cbs; |
760 | unsigned int num_rx_bds; | |
761 | unsigned int rx_read_ptr; | |
762 | unsigned int rx_c_index; | |
763 | ||
b6e0e875 | 764 | struct bcm_sysport_net_dim dim; |
a8cdfbdf FF |
765 | u32 rx_max_coalesced_frames; |
766 | u32 rx_coalesce_usecs; | |
b6e0e875 | 767 | |
80105bef | 768 | /* PHY device */ |
186534a3 | 769 | struct device_node *phy_dn; |
80105bef FF |
770 | phy_interface_t phy_interface; |
771 | int old_pause; | |
772 | int old_link; | |
773 | int old_duplex; | |
774 | ||
775 | /* Misc fields */ | |
9d34c1cb | 776 | unsigned int rx_chk_en:1; |
80105bef FF |
777 | unsigned int tsb_en:1; |
778 | unsigned int crc_fwd:1; | |
779 | u16 rev; | |
83e82f4c FF |
780 | u32 wolopts; |
781 | unsigned int wol_irq_disabled:1; | |
80105bef FF |
782 | |
783 | /* MIB related fields */ | |
784 | struct bcm_sysport_mib mib; | |
785 | ||
786 | /* Ethtool */ | |
787 | u32 msg_enable; | |
bb9051a2 | 788 | DECLARE_BITMAP(filters, RXCHK_BRCM_TAG_MAX); |
80f8dea8 | 789 | u32 filters_loc[RXCHK_BRCM_TAG_MAX]; |
10377ba7 | 790 | |
791 | struct bcm_sysport_stats64 stats64; | |
792 | ||
793 | /* For atomic update generic 64bit value on 32bit Machine */ | |
794 | struct u64_stats_sync syncp; | |
d1565763 FF |
795 | |
796 | /* map information between switch port queues and local queues */ | |
797 | struct notifier_block dsa_notifier; | |
798 | unsigned int per_port_num_tx_queues; | |
d1565763 FF |
799 | struct bcm_sysport_tx_ring *ring_map[DSA_MAX_PORTS * 8]; |
800 | ||
80105bef FF |
801 | }; |
802 | #endif /* __BCM_SYSPORT_H */ |