1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Definitions for Marvell PPv2 network controller for Armada 375 SoC.
5 * Copyright (C) 2014 Marvell
7 * Marcin Wojtas <mw@semihalf.com>
12 #include <linux/interrupt.h>
13 #include <linux/kernel.h>
14 #include <linux/netdevice.h>
15 #include <linux/phy.h>
16 #include <linux/phylink.h>
19 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port) (0x00 + 4 * (port))
20 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port) (0x20 + 4 * (port))
21 #define MVPP2_RX_MIN_PKT_SIZE_REG 0x60
22 #define MVPP2_RX_FIFO_INIT_REG 0x64
23 #define MVPP22_TX_FIFO_THRESH_REG(port) (0x8840 + 4 * (port))
24 #define MVPP22_TX_FIFO_SIZE_REG(port) (0x8860 + 4 * (port))
26 /* RX DMA Top Registers */
27 #define MVPP2_RX_CTRL_REG(port) (0x140 + 4 * (port))
28 #define MVPP2_RX_LOW_LATENCY_PKT_SIZE(s) (((s) & 0xfff) << 16)
29 #define MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK BIT(31)
30 #define MVPP2_POOL_BUF_SIZE_REG(pool) (0x180 + 4 * (pool))
31 #define MVPP2_POOL_BUF_SIZE_OFFSET 5
32 #define MVPP2_RXQ_CONFIG_REG(rxq) (0x800 + 4 * (rxq))
33 #define MVPP2_SNOOP_PKT_SIZE_MASK 0x1ff
34 #define MVPP2_SNOOP_BUF_HDR_MASK BIT(9)
35 #define MVPP2_RXQ_POOL_SHORT_OFFS 20
36 #define MVPP21_RXQ_POOL_SHORT_MASK 0x700000
37 #define MVPP22_RXQ_POOL_SHORT_MASK 0xf00000
38 #define MVPP2_RXQ_POOL_LONG_OFFS 24
39 #define MVPP21_RXQ_POOL_LONG_MASK 0x7000000
40 #define MVPP22_RXQ_POOL_LONG_MASK 0xf000000
41 #define MVPP2_RXQ_PACKET_OFFSET_OFFS 28
42 #define MVPP2_RXQ_PACKET_OFFSET_MASK 0x70000000
43 #define MVPP2_RXQ_DISABLE_MASK BIT(31)
46 #define MVPP2_MH_REG(port) (0x5040 + 4 * (port))
47 #define MVPP2_DSA_EXTENDED BIT(5)
49 /* Parser Registers */
50 #define MVPP2_PRS_INIT_LOOKUP_REG 0x1000
51 #define MVPP2_PRS_PORT_LU_MAX 0xf
52 #define MVPP2_PRS_PORT_LU_MASK(port) (0xff << ((port) * 4))
53 #define MVPP2_PRS_PORT_LU_VAL(port, val) ((val) << ((port) * 4))
54 #define MVPP2_PRS_INIT_OFFS_REG(port) (0x1004 + ((port) & 4))
55 #define MVPP2_PRS_INIT_OFF_MASK(port) (0x3f << (((port) % 4) * 8))
56 #define MVPP2_PRS_INIT_OFF_VAL(port, val) ((val) << (((port) % 4) * 8))
57 #define MVPP2_PRS_MAX_LOOP_REG(port) (0x100c + ((port) & 4))
58 #define MVPP2_PRS_MAX_LOOP_MASK(port) (0xff << (((port) % 4) * 8))
59 #define MVPP2_PRS_MAX_LOOP_VAL(port, val) ((val) << (((port) % 4) * 8))
60 #define MVPP2_PRS_TCAM_IDX_REG 0x1100
61 #define MVPP2_PRS_TCAM_DATA_REG(idx) (0x1104 + (idx) * 4)
62 #define MVPP2_PRS_TCAM_INV_MASK BIT(31)
63 #define MVPP2_PRS_SRAM_IDX_REG 0x1200
64 #define MVPP2_PRS_SRAM_DATA_REG(idx) (0x1204 + (idx) * 4)
65 #define MVPP2_PRS_TCAM_CTRL_REG 0x1230
66 #define MVPP2_PRS_TCAM_EN_MASK BIT(0)
67 #define MVPP2_PRS_TCAM_HIT_IDX_REG 0x1240
68 #define MVPP2_PRS_TCAM_HIT_CNT_REG 0x1244
69 #define MVPP2_PRS_TCAM_HIT_CNT_MASK GENMASK(15, 0)
72 #define MVPP22_RSS_INDEX 0x1500
73 #define MVPP22_RSS_INDEX_TABLE_ENTRY(idx) (idx)
74 #define MVPP22_RSS_INDEX_TABLE(idx) ((idx) << 8)
75 #define MVPP22_RSS_INDEX_QUEUE(idx) ((idx) << 16)
76 #define MVPP22_RXQ2RSS_TABLE 0x1504
77 #define MVPP22_RSS_TABLE_POINTER(p) (p)
78 #define MVPP22_RSS_TABLE_ENTRY 0x1508
79 #define MVPP22_RSS_WIDTH 0x150c
81 /* Classifier Registers */
82 #define MVPP2_CLS_MODE_REG 0x1800
83 #define MVPP2_CLS_MODE_ACTIVE_MASK BIT(0)
84 #define MVPP2_CLS_PORT_WAY_REG 0x1810
85 #define MVPP2_CLS_PORT_WAY_MASK(port) (1 << (port))
86 #define MVPP2_CLS_LKP_INDEX_REG 0x1814
87 #define MVPP2_CLS_LKP_INDEX_WAY_OFFS 6
88 #define MVPP2_CLS_LKP_TBL_REG 0x1818
89 #define MVPP2_CLS_LKP_TBL_RXQ_MASK 0xff
90 #define MVPP2_CLS_LKP_FLOW_PTR(flow) ((flow) << 16)
91 #define MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK BIT(25)
92 #define MVPP2_CLS_FLOW_INDEX_REG 0x1820
93 #define MVPP2_CLS_FLOW_TBL0_REG 0x1824
94 #define MVPP2_CLS_FLOW_TBL0_LAST BIT(0)
95 #define MVPP2_CLS_FLOW_TBL0_ENG_MASK 0x7
96 #define MVPP2_CLS_FLOW_TBL0_OFFS 1
97 #define MVPP2_CLS_FLOW_TBL0_ENG(x) ((x) << 1)
98 #define MVPP2_CLS_FLOW_TBL0_PORT_ID_MASK 0xff
99 #define MVPP2_CLS_FLOW_TBL0_PORT_ID(port) ((port) << 4)
100 #define MVPP2_CLS_FLOW_TBL0_PORT_ID_SEL BIT(23)
101 #define MVPP2_CLS_FLOW_TBL1_REG 0x1828
102 #define MVPP2_CLS_FLOW_TBL1_N_FIELDS_MASK 0x7
103 #define MVPP2_CLS_FLOW_TBL1_N_FIELDS(x) (x)
104 #define MVPP2_CLS_FLOW_TBL1_PRIO_MASK 0x3f
105 #define MVPP2_CLS_FLOW_TBL1_PRIO(x) ((x) << 9)
106 #define MVPP2_CLS_FLOW_TBL1_SEQ_MASK 0x7
107 #define MVPP2_CLS_FLOW_TBL1_SEQ(x) ((x) << 15)
108 #define MVPP2_CLS_FLOW_TBL2_REG 0x182c
109 #define MVPP2_CLS_FLOW_TBL2_FLD_MASK 0x3f
110 #define MVPP2_CLS_FLOW_TBL2_FLD_OFFS(n) ((n) * 6)
111 #define MVPP2_CLS_FLOW_TBL2_FLD(n, x) ((x) << ((n) * 6))
112 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port) (0x1980 + ((port) * 4))
113 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS 3
114 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK 0x7
115 #define MVPP2_CLS_SWFWD_P2HQ_REG(port) (0x19b0 + ((port) * 4))
116 #define MVPP2_CLS_SWFWD_PCTRL_REG 0x19d0
117 #define MVPP2_CLS_SWFWD_PCTRL_MASK(port) (1 << (port))
119 /* Classifier C2 engine Registers */
120 #define MVPP22_CLS_C2_TCAM_IDX 0x1b00
121 #define MVPP22_CLS_C2_TCAM_DATA0 0x1b10
122 #define MVPP22_CLS_C2_TCAM_DATA1 0x1b14
123 #define MVPP22_CLS_C2_TCAM_DATA2 0x1b18
124 #define MVPP22_CLS_C2_TCAM_DATA3 0x1b1c
125 #define MVPP22_CLS_C2_TCAM_DATA4 0x1b20
126 #define MVPP22_CLS_C2_PORT_ID(port) ((port) << 8)
127 #define MVPP22_CLS_C2_ACT 0x1b60
128 #define MVPP22_CLS_C2_ACT_RSS_EN(act) (((act) & 0x3) << 19)
129 #define MVPP22_CLS_C2_ACT_FWD(act) (((act) & 0x7) << 13)
130 #define MVPP22_CLS_C2_ACT_QHIGH(act) (((act) & 0x3) << 11)
131 #define MVPP22_CLS_C2_ACT_QLOW(act) (((act) & 0x3) << 9)
132 #define MVPP22_CLS_C2_ATTR0 0x1b64
133 #define MVPP22_CLS_C2_ATTR0_QHIGH(qh) (((qh) & 0x1f) << 24)
134 #define MVPP22_CLS_C2_ATTR0_QHIGH_MASK 0x1f
135 #define MVPP22_CLS_C2_ATTR0_QHIGH_OFFS 24
136 #define MVPP22_CLS_C2_ATTR0_QLOW(ql) (((ql) & 0x7) << 21)
137 #define MVPP22_CLS_C2_ATTR0_QLOW_MASK 0x7
138 #define MVPP22_CLS_C2_ATTR0_QLOW_OFFS 21
139 #define MVPP22_CLS_C2_ATTR1 0x1b68
140 #define MVPP22_CLS_C2_ATTR2 0x1b6c
141 #define MVPP22_CLS_C2_ATTR2_RSS_EN BIT(30)
142 #define MVPP22_CLS_C2_ATTR3 0x1b70
144 /* Descriptor Manager Top Registers */
145 #define MVPP2_RXQ_NUM_REG 0x2040
146 #define MVPP2_RXQ_DESC_ADDR_REG 0x2044
147 #define MVPP22_DESC_ADDR_OFFS 8
148 #define MVPP2_RXQ_DESC_SIZE_REG 0x2048
149 #define MVPP2_RXQ_DESC_SIZE_MASK 0x3ff0
150 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq) (0x3000 + 4 * (rxq))
151 #define MVPP2_RXQ_NUM_PROCESSED_OFFSET 0
152 #define MVPP2_RXQ_NUM_NEW_OFFSET 16
153 #define MVPP2_RXQ_STATUS_REG(rxq) (0x3400 + 4 * (rxq))
154 #define MVPP2_RXQ_OCCUPIED_MASK 0x3fff
155 #define MVPP2_RXQ_NON_OCCUPIED_OFFSET 16
156 #define MVPP2_RXQ_NON_OCCUPIED_MASK 0x3fff0000
157 #define MVPP2_RXQ_THRESH_REG 0x204c
158 #define MVPP2_OCCUPIED_THRESH_OFFSET 0
159 #define MVPP2_OCCUPIED_THRESH_MASK 0x3fff
160 #define MVPP2_RXQ_INDEX_REG 0x2050
161 #define MVPP2_TXQ_NUM_REG 0x2080
162 #define MVPP2_TXQ_DESC_ADDR_REG 0x2084
163 #define MVPP2_TXQ_DESC_SIZE_REG 0x2088
164 #define MVPP2_TXQ_DESC_SIZE_MASK 0x3ff0
165 #define MVPP2_TXQ_THRESH_REG 0x2094
166 #define MVPP2_TXQ_THRESH_OFFSET 16
167 #define MVPP2_TXQ_THRESH_MASK 0x3fff
168 #define MVPP2_AGGR_TXQ_UPDATE_REG 0x2090
169 #define MVPP2_TXQ_INDEX_REG 0x2098
170 #define MVPP2_TXQ_PREF_BUF_REG 0x209c
171 #define MVPP2_PREF_BUF_PTR(desc) ((desc) & 0xfff)
172 #define MVPP2_PREF_BUF_SIZE_4 (BIT(12) | BIT(13))
173 #define MVPP2_PREF_BUF_SIZE_16 (BIT(12) | BIT(14))
174 #define MVPP2_PREF_BUF_THRESH(val) ((val) << 17)
175 #define MVPP2_TXQ_DRAIN_EN_MASK BIT(31)
176 #define MVPP2_TXQ_PENDING_REG 0x20a0
177 #define MVPP2_TXQ_PENDING_MASK 0x3fff
178 #define MVPP2_TXQ_INT_STATUS_REG 0x20a4
179 #define MVPP2_TXQ_SENT_REG(txq) (0x3c00 + 4 * (txq))
180 #define MVPP2_TRANSMITTED_COUNT_OFFSET 16
181 #define MVPP2_TRANSMITTED_COUNT_MASK 0x3fff0000
182 #define MVPP2_TXQ_RSVD_REQ_REG 0x20b0
183 #define MVPP2_TXQ_RSVD_REQ_Q_OFFSET 16
184 #define MVPP2_TXQ_RSVD_RSLT_REG 0x20b4
185 #define MVPP2_TXQ_RSVD_RSLT_MASK 0x3fff
186 #define MVPP2_TXQ_RSVD_CLR_REG 0x20b8
187 #define MVPP2_TXQ_RSVD_CLR_OFFSET 16
188 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu) (0x2100 + 4 * (cpu))
189 #define MVPP22_AGGR_TXQ_DESC_ADDR_OFFS 8
190 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu) (0x2140 + 4 * (cpu))
191 #define MVPP2_AGGR_TXQ_DESC_SIZE_MASK 0x3ff0
192 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu) (0x2180 + 4 * (cpu))
193 #define MVPP2_AGGR_TXQ_PENDING_MASK 0x3fff
194 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu) (0x21c0 + 4 * (cpu))
196 /* MBUS bridge registers */
197 #define MVPP2_WIN_BASE(w) (0x4000 + ((w) << 2))
198 #define MVPP2_WIN_SIZE(w) (0x4020 + ((w) << 2))
199 #define MVPP2_WIN_REMAP(w) (0x4040 + ((w) << 2))
200 #define MVPP2_BASE_ADDR_ENABLE 0x4060
202 /* AXI Bridge Registers */
203 #define MVPP22_AXI_BM_WR_ATTR_REG 0x4100
204 #define MVPP22_AXI_BM_RD_ATTR_REG 0x4104
205 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG 0x4110
206 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG 0x4114
207 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG 0x4118
208 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG 0x411c
209 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG 0x4120
210 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG 0x4130
211 #define MVPP22_AXI_RD_NORMAL_CODE_REG 0x4150
212 #define MVPP22_AXI_RD_SNOOP_CODE_REG 0x4154
213 #define MVPP22_AXI_WR_NORMAL_CODE_REG 0x4160
214 #define MVPP22_AXI_WR_SNOOP_CODE_REG 0x4164
216 /* Values for AXI Bridge registers */
217 #define MVPP22_AXI_ATTR_CACHE_OFFS 0
218 #define MVPP22_AXI_ATTR_DOMAIN_OFFS 12
220 #define MVPP22_AXI_CODE_CACHE_OFFS 0
221 #define MVPP22_AXI_CODE_DOMAIN_OFFS 4
223 #define MVPP22_AXI_CODE_CACHE_NON_CACHE 0x3
224 #define MVPP22_AXI_CODE_CACHE_WR_CACHE 0x7
225 #define MVPP22_AXI_CODE_CACHE_RD_CACHE 0xb
227 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM 2
228 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM 3
230 /* Interrupt Cause and Mask registers */
231 #define MVPP2_ISR_TX_THRESHOLD_REG(port) (0x5140 + 4 * (port))
232 #define MVPP2_MAX_ISR_TX_THRESHOLD 0xfffff0
234 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq) (0x5200 + 4 * (rxq))
235 #define MVPP2_MAX_ISR_RX_THRESHOLD 0xfffff0
236 #define MVPP21_ISR_RXQ_GROUP_REG(port) (0x5400 + 4 * (port))
238 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG 0x5400
239 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
240 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
241 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7
243 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
244 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK 0x380
246 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG 0x5404
247 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK 0x1f
248 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK 0xf00
249 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET 8
251 #define MVPP2_ISR_ENABLE_REG(port) (0x5420 + 4 * (port))
252 #define MVPP2_ISR_ENABLE_INTERRUPT(mask) ((mask) & 0xffff)
253 #define MVPP2_ISR_DISABLE_INTERRUPT(mask) (((mask) << 16) & 0xffff0000)
254 #define MVPP2_ISR_RX_TX_CAUSE_REG(port) (0x5480 + 4 * (port))
255 #define MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
256 #define MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK 0xff0000
257 #define MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_OFFSET 16
258 #define MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK BIT(24)
259 #define MVPP2_CAUSE_FCS_ERR_MASK BIT(25)
260 #define MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK BIT(26)
261 #define MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK BIT(29)
262 #define MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK BIT(30)
263 #define MVPP2_CAUSE_MISC_SUM_MASK BIT(31)
264 #define MVPP2_ISR_RX_TX_MASK_REG(port) (0x54a0 + 4 * (port))
265 #define MVPP2_ISR_PON_RX_TX_MASK_REG 0x54bc
266 #define MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
267 #define MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000
268 #define MVPP2_PON_CAUSE_MISC_SUM_MASK BIT(31)
269 #define MVPP2_ISR_MISC_CAUSE_REG 0x55b0
271 /* Buffer Manager registers */
272 #define MVPP2_BM_POOL_BASE_REG(pool) (0x6000 + ((pool) * 4))
273 #define MVPP2_BM_POOL_BASE_ADDR_MASK 0xfffff80
274 #define MVPP2_BM_POOL_SIZE_REG(pool) (0x6040 + ((pool) * 4))
275 #define MVPP2_BM_POOL_SIZE_MASK 0xfff0
276 #define MVPP2_BM_POOL_READ_PTR_REG(pool) (0x6080 + ((pool) * 4))
277 #define MVPP2_BM_POOL_GET_READ_PTR_MASK 0xfff0
278 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool) (0x60c0 + ((pool) * 4))
279 #define MVPP2_BM_POOL_PTRS_NUM_MASK 0xfff0
280 #define MVPP2_BM_BPPI_READ_PTR_REG(pool) (0x6100 + ((pool) * 4))
281 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool) (0x6140 + ((pool) * 4))
282 #define MVPP2_BM_BPPI_PTR_NUM_MASK 0x7ff
283 #define MVPP22_BM_POOL_PTRS_NUM_MASK 0xfff8
284 #define MVPP2_BM_BPPI_PREFETCH_FULL_MASK BIT(16)
285 #define MVPP2_BM_POOL_CTRL_REG(pool) (0x6200 + ((pool) * 4))
286 #define MVPP2_BM_START_MASK BIT(0)
287 #define MVPP2_BM_STOP_MASK BIT(1)
288 #define MVPP2_BM_STATE_MASK BIT(4)
289 #define MVPP2_BM_LOW_THRESH_OFFS 8
290 #define MVPP2_BM_LOW_THRESH_MASK 0x7f00
291 #define MVPP2_BM_LOW_THRESH_VALUE(val) ((val) << \
292 MVPP2_BM_LOW_THRESH_OFFS)
293 #define MVPP2_BM_HIGH_THRESH_OFFS 16
294 #define MVPP2_BM_HIGH_THRESH_MASK 0x7f0000
295 #define MVPP2_BM_HIGH_THRESH_VALUE(val) ((val) << \
296 MVPP2_BM_HIGH_THRESH_OFFS)
297 #define MVPP2_BM_INTR_CAUSE_REG(pool) (0x6240 + ((pool) * 4))
298 #define MVPP2_BM_RELEASED_DELAY_MASK BIT(0)
299 #define MVPP2_BM_ALLOC_FAILED_MASK BIT(1)
300 #define MVPP2_BM_BPPE_EMPTY_MASK BIT(2)
301 #define MVPP2_BM_BPPE_FULL_MASK BIT(3)
302 #define MVPP2_BM_AVAILABLE_BP_LOW_MASK BIT(4)
303 #define MVPP2_BM_INTR_MASK_REG(pool) (0x6280 + ((pool) * 4))
304 #define MVPP2_BM_PHY_ALLOC_REG(pool) (0x6400 + ((pool) * 4))
305 #define MVPP2_BM_PHY_ALLOC_GRNTD_MASK BIT(0)
306 #define MVPP2_BM_VIRT_ALLOC_REG 0x6440
307 #define MVPP22_BM_ADDR_HIGH_ALLOC 0x6444
308 #define MVPP22_BM_ADDR_HIGH_PHYS_MASK 0xff
309 #define MVPP22_BM_ADDR_HIGH_VIRT_MASK 0xff00
310 #define MVPP22_BM_ADDR_HIGH_VIRT_SHIFT 8
311 #define MVPP2_BM_PHY_RLS_REG(pool) (0x6480 + ((pool) * 4))
312 #define MVPP2_BM_PHY_RLS_MC_BUFF_MASK BIT(0)
313 #define MVPP2_BM_PHY_RLS_PRIO_EN_MASK BIT(1)
314 #define MVPP2_BM_PHY_RLS_GRNTD_MASK BIT(2)
315 #define MVPP2_BM_VIRT_RLS_REG 0x64c0
316 #define MVPP22_BM_ADDR_HIGH_RLS_REG 0x64c4
317 #define MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK 0xff
318 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK 0xff00
319 #define MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
321 /* TX Scheduler registers */
322 #define MVPP2_TXP_SCHED_PORT_INDEX_REG 0x8000
323 #define MVPP2_TXP_SCHED_Q_CMD_REG 0x8004
324 #define MVPP2_TXP_SCHED_ENQ_MASK 0xff
325 #define MVPP2_TXP_SCHED_DISQ_OFFSET 8
326 #define MVPP2_TXP_SCHED_CMD_1_REG 0x8010
327 #define MVPP2_TXP_SCHED_PERIOD_REG 0x8018
328 #define MVPP2_TXP_SCHED_MTU_REG 0x801c
329 #define MVPP2_TXP_MTU_MAX 0x7FFFF
330 #define MVPP2_TXP_SCHED_REFILL_REG 0x8020
331 #define MVPP2_TXP_REFILL_TOKENS_ALL_MASK 0x7ffff
332 #define MVPP2_TXP_REFILL_PERIOD_ALL_MASK 0x3ff00000
333 #define MVPP2_TXP_REFILL_PERIOD_MASK(v) ((v) << 20)
334 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG 0x8024
335 #define MVPP2_TXP_TOKEN_SIZE_MAX 0xffffffff
336 #define MVPP2_TXQ_SCHED_REFILL_REG(q) (0x8040 + ((q) << 2))
337 #define MVPP2_TXQ_REFILL_TOKENS_ALL_MASK 0x7ffff
338 #define MVPP2_TXQ_REFILL_PERIOD_ALL_MASK 0x3ff00000
339 #define MVPP2_TXQ_REFILL_PERIOD_MASK(v) ((v) << 20)
340 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q) (0x8060 + ((q) << 2))
341 #define MVPP2_TXQ_TOKEN_SIZE_MAX 0x7fffffff
342 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q) (0x8080 + ((q) << 2))
343 #define MVPP2_TXQ_TOKEN_CNTR_MAX 0xffffffff
345 /* TX general registers */
346 #define MVPP2_TX_SNOOP_REG 0x8800
347 #define MVPP2_TX_PORT_FLUSH_REG 0x8810
348 #define MVPP2_TX_PORT_FLUSH_MASK(port) (1 << (port))
351 #define MVPP2_SRC_ADDR_MIDDLE 0x24
352 #define MVPP2_SRC_ADDR_HIGH 0x28
353 #define MVPP2_PHY_AN_CFG0_REG 0x34
354 #define MVPP2_PHY_AN_STOP_SMI0_MASK BIT(7)
355 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG 0x305c
356 #define MVPP2_EXT_GLOBAL_CTRL_DEFAULT 0x27
358 /* Per-port registers */
359 #define MVPP2_GMAC_CTRL_0_REG 0x0
360 #define MVPP2_GMAC_PORT_EN_MASK BIT(0)
361 #define MVPP2_GMAC_PORT_TYPE_MASK BIT(1)
362 #define MVPP2_GMAC_MAX_RX_SIZE_OFFS 2
363 #define MVPP2_GMAC_MAX_RX_SIZE_MASK 0x7ffc
364 #define MVPP2_GMAC_MIB_CNTR_EN_MASK BIT(15)
365 #define MVPP2_GMAC_CTRL_1_REG 0x4
366 #define MVPP2_GMAC_PERIODIC_XON_EN_MASK BIT(1)
367 #define MVPP2_GMAC_GMII_LB_EN_MASK BIT(5)
368 #define MVPP2_GMAC_PCS_LB_EN_BIT 6
369 #define MVPP2_GMAC_PCS_LB_EN_MASK BIT(6)
370 #define MVPP2_GMAC_SA_LOW_OFFS 7
371 #define MVPP2_GMAC_CTRL_2_REG 0x8
372 #define MVPP2_GMAC_INBAND_AN_MASK BIT(0)
373 #define MVPP2_GMAC_FLOW_CTRL_MASK GENMASK(2, 1)
374 #define MVPP2_GMAC_PCS_ENABLE_MASK BIT(3)
375 #define MVPP2_GMAC_INTERNAL_CLK_MASK BIT(4)
376 #define MVPP2_GMAC_DISABLE_PADDING BIT(5)
377 #define MVPP2_GMAC_PORT_RESET_MASK BIT(6)
378 #define MVPP2_GMAC_AUTONEG_CONFIG 0xc
379 #define MVPP2_GMAC_FORCE_LINK_DOWN BIT(0)
380 #define MVPP2_GMAC_FORCE_LINK_PASS BIT(1)
381 #define MVPP2_GMAC_IN_BAND_AUTONEG BIT(2)
382 #define MVPP2_GMAC_IN_BAND_AUTONEG_BYPASS BIT(3)
383 #define MVPP2_GMAC_IN_BAND_RESTART_AN BIT(4)
384 #define MVPP2_GMAC_CONFIG_MII_SPEED BIT(5)
385 #define MVPP2_GMAC_CONFIG_GMII_SPEED BIT(6)
386 #define MVPP2_GMAC_AN_SPEED_EN BIT(7)
387 #define MVPP2_GMAC_FC_ADV_EN BIT(9)
388 #define MVPP2_GMAC_FC_ADV_ASM_EN BIT(10)
389 #define MVPP2_GMAC_FLOW_CTRL_AUTONEG BIT(11)
390 #define MVPP2_GMAC_CONFIG_FULL_DUPLEX BIT(12)
391 #define MVPP2_GMAC_AN_DUPLEX_EN BIT(13)
392 #define MVPP2_GMAC_STATUS0 0x10
393 #define MVPP2_GMAC_STATUS0_LINK_UP BIT(0)
394 #define MVPP2_GMAC_STATUS0_GMII_SPEED BIT(1)
395 #define MVPP2_GMAC_STATUS0_MII_SPEED BIT(2)
396 #define MVPP2_GMAC_STATUS0_FULL_DUPLEX BIT(3)
397 #define MVPP2_GMAC_STATUS0_RX_PAUSE BIT(6)
398 #define MVPP2_GMAC_STATUS0_TX_PAUSE BIT(7)
399 #define MVPP2_GMAC_STATUS0_AN_COMPLETE BIT(11)
400 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG 0x1c
401 #define MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS 6
402 #define MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK 0x1fc0
403 #define MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v) (((v) << 6) & \
404 MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
405 #define MVPP22_GMAC_INT_STAT 0x20
406 #define MVPP22_GMAC_INT_STAT_LINK BIT(1)
407 #define MVPP22_GMAC_INT_MASK 0x24
408 #define MVPP22_GMAC_INT_MASK_LINK_STAT BIT(1)
409 #define MVPP22_GMAC_CTRL_4_REG 0x90
410 #define MVPP22_CTRL4_EXT_PIN_GMII_SEL BIT(0)
411 #define MVPP22_CTRL4_RX_FC_EN BIT(3)
412 #define MVPP22_CTRL4_TX_FC_EN BIT(4)
413 #define MVPP22_CTRL4_DP_CLK_SEL BIT(5)
414 #define MVPP22_CTRL4_SYNC_BYPASS_DIS BIT(6)
415 #define MVPP22_CTRL4_QSGMII_BYPASS_ACTIVE BIT(7)
416 #define MVPP22_GMAC_INT_SUM_MASK 0xa4
417 #define MVPP22_GMAC_INT_SUM_MASK_LINK_STAT BIT(1)
419 /* Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
420 * relative to port->base.
422 #define MVPP22_XLG_CTRL0_REG 0x100
423 #define MVPP22_XLG_CTRL0_PORT_EN BIT(0)
424 #define MVPP22_XLG_CTRL0_MAC_RESET_DIS BIT(1)
425 #define MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN BIT(7)
426 #define MVPP22_XLG_CTRL0_TX_FLOW_CTRL_EN BIT(8)
427 #define MVPP22_XLG_CTRL0_MIB_CNT_DIS BIT(14)
428 #define MVPP22_XLG_CTRL1_REG 0x104
429 #define MVPP22_XLG_CTRL1_FRAMESIZELIMIT_OFFS 0
430 #define MVPP22_XLG_CTRL1_FRAMESIZELIMIT_MASK 0x1fff
431 #define MVPP22_XLG_STATUS 0x10c
432 #define MVPP22_XLG_STATUS_LINK_UP BIT(0)
433 #define MVPP22_XLG_INT_STAT 0x114
434 #define MVPP22_XLG_INT_STAT_LINK BIT(1)
435 #define MVPP22_XLG_INT_MASK 0x118
436 #define MVPP22_XLG_INT_MASK_LINK BIT(1)
437 #define MVPP22_XLG_CTRL3_REG 0x11c
438 #define MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
439 #define MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
440 #define MVPP22_XLG_CTRL3_MACMODESELECT_10G (1 << 13)
441 #define MVPP22_XLG_EXT_INT_MASK 0x15c
442 #define MVPP22_XLG_EXT_INT_MASK_XLG BIT(1)
443 #define MVPP22_XLG_EXT_INT_MASK_GIG BIT(2)
444 #define MVPP22_XLG_CTRL4_REG 0x184
445 #define MVPP22_XLG_CTRL4_FWD_FC BIT(5)
446 #define MVPP22_XLG_CTRL4_FWD_PFC BIT(6)
447 #define MVPP22_XLG_CTRL4_MACMODSELECT_GMAC BIT(12)
448 #define MVPP22_XLG_CTRL4_EN_IDLE_CHECK BIT(14)
450 /* SMI registers. PPv2.2 only, relative to priv->iface_base. */
451 #define MVPP22_SMI_MISC_CFG_REG 0x1204
452 #define MVPP22_SMI_POLLING_EN BIT(10)
454 #define MVPP22_GMAC_BASE(port) (0x7000 + (port) * 0x1000 + 0xe00)
456 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK 0xff
458 /* Descriptor ring Macros */
459 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
460 (((index) < (q)->last_desc) ? ((index) + 1) : 0)
462 /* XPCS registers. PPv2.2 only */
463 #define MVPP22_MPCS_BASE(port) (0x7000 + (port) * 0x1000)
464 #define MVPP22_MPCS_CTRL 0x14
465 #define MVPP22_MPCS_CTRL_FWD_ERR_CONN BIT(10)
466 #define MVPP22_MPCS_CLK_RESET 0x14c
467 #define MAC_CLK_RESET_SD_TX BIT(0)
468 #define MAC_CLK_RESET_SD_RX BIT(1)
469 #define MAC_CLK_RESET_MAC BIT(2)
470 #define MVPP22_MPCS_CLK_RESET_DIV_RATIO(n) ((n) << 4)
471 #define MVPP22_MPCS_CLK_RESET_DIV_SET BIT(11)
473 /* XPCS registers. PPv2.2 only */
474 #define MVPP22_XPCS_BASE(port) (0x7400 + (port) * 0x1000)
475 #define MVPP22_XPCS_CFG0 0x0
476 #define MVPP22_XPCS_CFG0_PCS_MODE(n) ((n) << 3)
477 #define MVPP22_XPCS_CFG0_ACTIVE_LANE(n) ((n) << 5)
479 /* System controller registers. Accessed through a regmap. */
480 #define GENCONF_SOFT_RESET1 0x1108
481 #define GENCONF_SOFT_RESET1_GOP BIT(6)
482 #define GENCONF_PORT_CTRL0 0x1110
483 #define GENCONF_PORT_CTRL0_BUS_WIDTH_SELECT BIT(1)
484 #define GENCONF_PORT_CTRL0_RX_DATA_SAMPLE BIT(29)
485 #define GENCONF_PORT_CTRL0_CLK_DIV_PHASE_CLR BIT(31)
486 #define GENCONF_PORT_CTRL1 0x1114
487 #define GENCONF_PORT_CTRL1_EN(p) BIT(p)
488 #define GENCONF_PORT_CTRL1_RESET(p) (BIT(p) << 28)
489 #define GENCONF_CTRL0 0x1120
490 #define GENCONF_CTRL0_PORT0_RGMII BIT(0)
491 #define GENCONF_CTRL0_PORT1_RGMII_MII BIT(1)
492 #define GENCONF_CTRL0_PORT1_RGMII BIT(2)
494 /* Various constants */
497 #define MVPP2_TXDONE_COAL_PKTS_THRESH 64
498 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS 1000000UL
499 #define MVPP2_TXDONE_COAL_USEC 1000
500 #define MVPP2_RX_COAL_PKTS 32
501 #define MVPP2_RX_COAL_USEC 64
503 /* The two bytes Marvell header. Either contains a special value used
504 * by Marvell switches when a specific hardware mode is enabled (not
505 * supported by this driver) or is filled automatically by zeroes on
506 * the RX side. Those two bytes being at the front of the Ethernet
507 * header, they allow to have the IP header aligned on a 4 bytes
508 * boundary automatically: the hardware skips those two bytes on its
511 #define MVPP2_MH_SIZE 2
512 #define MVPP2_ETH_TYPE_LEN 2
513 #define MVPP2_PPPOE_HDR_SIZE 8
514 #define MVPP2_VLAN_TAG_LEN 4
515 #define MVPP2_VLAN_TAG_EDSA_LEN 8
517 /* Lbtd 802.3 type */
518 #define MVPP2_IP_LBDT_TYPE 0xfffa
520 #define MVPP2_TX_CSUM_MAX_SIZE 9800
522 /* Timeout constants */
523 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC 1000
524 #define MVPP2_TX_PENDING_TIMEOUT_MSEC 1000
526 #define MVPP2_TX_MTU_MAX 0x7ffff
528 /* Maximum number of T-CONTs of PON port */
529 #define MVPP2_MAX_TCONT 16
531 /* Maximum number of supported ports */
532 #define MVPP2_MAX_PORTS 4
534 /* Maximum number of TXQs used by single port */
535 #define MVPP2_MAX_TXQ 8
537 /* MVPP2_MAX_TSO_SEGS is the maximum number of fragments to allow in the GSO
538 * skb. As we need a maxium of two descriptors per fragments (1 header, 1 data),
539 * multiply this value by two to count the maximum number of skb descs needed.
541 #define MVPP2_MAX_TSO_SEGS 300
542 #define MVPP2_MAX_SKB_DESCS (MVPP2_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS)
544 /* Dfault number of RXQs in use */
545 #define MVPP2_DEFAULT_RXQ 1
547 /* Max number of Rx descriptors */
548 #define MVPP2_MAX_RXD_MAX 1024
549 #define MVPP2_MAX_RXD_DFLT 128
551 /* Max number of Tx descriptors */
552 #define MVPP2_MAX_TXD_MAX 2048
553 #define MVPP2_MAX_TXD_DFLT 1024
555 /* Amount of Tx descriptors that can be reserved at once by CPU */
556 #define MVPP2_CPU_DESC_CHUNK 64
558 /* Max number of Tx descriptors in each aggregated queue */
559 #define MVPP2_AGGR_TXQ_SIZE 256
561 /* Descriptor aligned size */
562 #define MVPP2_DESC_ALIGNED_SIZE 32
564 /* Descriptor alignment mask */
565 #define MVPP2_TX_DESC_ALIGN (MVPP2_DESC_ALIGNED_SIZE - 1)
567 /* RX FIFO constants */
568 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_32KB 0x8000
569 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_8KB 0x2000
570 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_4KB 0x1000
571 #define MVPP2_RX_FIFO_PORT_ATTR_SIZE_32KB 0x200
572 #define MVPP2_RX_FIFO_PORT_ATTR_SIZE_8KB 0x80
573 #define MVPP2_RX_FIFO_PORT_ATTR_SIZE_4KB 0x40
574 #define MVPP2_RX_FIFO_PORT_MIN_PKT 0x80
576 /* TX FIFO constants */
577 #define MVPP22_TX_FIFO_DATA_SIZE_10KB 0xa
578 #define MVPP22_TX_FIFO_DATA_SIZE_3KB 0x3
579 #define MVPP2_TX_FIFO_THRESHOLD_MIN 256
580 #define MVPP2_TX_FIFO_THRESHOLD_10KB \
581 (MVPP22_TX_FIFO_DATA_SIZE_10KB * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN)
582 #define MVPP2_TX_FIFO_THRESHOLD_3KB \
583 (MVPP22_TX_FIFO_DATA_SIZE_3KB * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN)
585 /* RX buffer constants */
586 #define MVPP2_SKB_SHINFO_SIZE \
587 SKB_DATA_ALIGN(sizeof(struct skb_shared_info))
589 #define MVPP2_RX_PKT_SIZE(mtu) \
590 ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
591 ETH_HLEN + ETH_FCS_LEN, cache_line_size())
593 #define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + NET_SKB_PAD)
594 #define MVPP2_RX_TOTAL_SIZE(buf_size) ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
595 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
596 ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)
598 #define MVPP2_BIT_TO_BYTE(bit) ((bit) / 8)
599 #define MVPP2_BIT_TO_WORD(bit) ((bit) / 32)
600 #define MVPP2_BIT_IN_WORD(bit) ((bit) % 32)
603 #define MVPP22_RSS_TABLE_ENTRIES 32
605 /* IPv6 max L3 address size */
606 #define MVPP2_MAX_L3_ADDR_SIZE 16
609 #define MVPP2_F_LOOPBACK BIT(0)
611 /* Marvell tag types */
612 enum mvpp2_tag_type {
613 MVPP2_TAG_TYPE_NONE = 0,
614 MVPP2_TAG_TYPE_MH = 1,
615 MVPP2_TAG_TYPE_DSA = 2,
616 MVPP2_TAG_TYPE_EDSA = 3,
617 MVPP2_TAG_TYPE_VLAN = 4,
618 MVPP2_TAG_TYPE_LAST = 5
622 enum mvpp2_prs_l2_cast {
623 MVPP2_PRS_L2_UNI_CAST,
624 MVPP2_PRS_L2_MULTI_CAST,
628 enum mvpp2_prs_l3_cast {
629 MVPP2_PRS_L3_UNI_CAST,
630 MVPP2_PRS_L3_MULTI_CAST,
631 MVPP2_PRS_L3_BROAD_CAST
635 #define MVPP2_BM_JUMBO_BUF_NUM 512
636 #define MVPP2_BM_LONG_BUF_NUM 1024
637 #define MVPP2_BM_SHORT_BUF_NUM 2048
638 #define MVPP2_BM_POOL_SIZE_MAX (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
639 #define MVPP2_BM_POOL_PTR_ALIGN 128
641 /* BM cookie (32 bits) definition */
642 #define MVPP2_BM_COOKIE_POOL_OFFS 8
643 #define MVPP2_BM_COOKIE_CPU_OFFS 24
645 #define MVPP2_BM_SHORT_FRAME_SIZE 512
646 #define MVPP2_BM_LONG_FRAME_SIZE 2048
647 #define MVPP2_BM_JUMBO_FRAME_SIZE 10240
648 /* BM short pool packet size
649 * These value assure that for SWF the total number
650 * of bytes allocated for each buffer will be 512
652 #define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_SHORT_FRAME_SIZE)
653 #define MVPP2_BM_LONG_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_LONG_FRAME_SIZE)
654 #define MVPP2_BM_JUMBO_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_JUMBO_FRAME_SIZE)
656 #define MVPP21_ADDR_SPACE_SZ 0
657 #define MVPP22_ADDR_SPACE_SZ SZ_64K
659 #define MVPP2_MAX_THREADS 8
660 #define MVPP2_MAX_QVECS MVPP2_MAX_THREADS
662 /* GMAC MIB Counters register definitions */
663 #define MVPP21_MIB_COUNTERS_OFFSET 0x1000
664 #define MVPP21_MIB_COUNTERS_PORT_SZ 0x400
665 #define MVPP22_MIB_COUNTERS_OFFSET 0x0
666 #define MVPP22_MIB_COUNTERS_PORT_SZ 0x100
668 #define MVPP2_MIB_GOOD_OCTETS_RCVD 0x0
669 #define MVPP2_MIB_BAD_OCTETS_RCVD 0x8
670 #define MVPP2_MIB_CRC_ERRORS_SENT 0xc
671 #define MVPP2_MIB_UNICAST_FRAMES_RCVD 0x10
672 #define MVPP2_MIB_BROADCAST_FRAMES_RCVD 0x18
673 #define MVPP2_MIB_MULTICAST_FRAMES_RCVD 0x1c
674 #define MVPP2_MIB_FRAMES_64_OCTETS 0x20
675 #define MVPP2_MIB_FRAMES_65_TO_127_OCTETS 0x24
676 #define MVPP2_MIB_FRAMES_128_TO_255_OCTETS 0x28
677 #define MVPP2_MIB_FRAMES_256_TO_511_OCTETS 0x2c
678 #define MVPP2_MIB_FRAMES_512_TO_1023_OCTETS 0x30
679 #define MVPP2_MIB_FRAMES_1024_TO_MAX_OCTETS 0x34
680 #define MVPP2_MIB_GOOD_OCTETS_SENT 0x38
681 #define MVPP2_MIB_UNICAST_FRAMES_SENT 0x40
682 #define MVPP2_MIB_MULTICAST_FRAMES_SENT 0x48
683 #define MVPP2_MIB_BROADCAST_FRAMES_SENT 0x4c
684 #define MVPP2_MIB_FC_SENT 0x54
685 #define MVPP2_MIB_FC_RCVD 0x58
686 #define MVPP2_MIB_RX_FIFO_OVERRUN 0x5c
687 #define MVPP2_MIB_UNDERSIZE_RCVD 0x60
688 #define MVPP2_MIB_FRAGMENTS_RCVD 0x64
689 #define MVPP2_MIB_OVERSIZE_RCVD 0x68
690 #define MVPP2_MIB_JABBER_RCVD 0x6c
691 #define MVPP2_MIB_MAC_RCV_ERROR 0x70
692 #define MVPP2_MIB_BAD_CRC_EVENT 0x74
693 #define MVPP2_MIB_COLLISION 0x78
694 #define MVPP2_MIB_LATE_COLLISION 0x7c
696 #define MVPP2_MIB_COUNTERS_STATS_DELAY (1 * HZ)
698 #define MVPP2_DESC_DMA_MASK DMA_BIT_MASK(40)
702 /* Shared Packet Processor resources */
704 /* Shared registers' base addresses */
705 void __iomem *lms_base;
706 void __iomem *iface_base;
708 /* On PPv2.2, each "software thread" can access the base
709 * register through a separate address space, each 64 KB apart
710 * from each other. Typically, such address spaces will be
713 void __iomem *swth_base[MVPP2_MAX_THREADS];
715 /* On PPv2.2, some port control registers are located into the system
716 * controller space. These registers are accessible through a regmap.
718 struct regmap *sysctrl_base;
724 struct clk *mg_core_clk;
727 /* List of pointers to port structures */
729 struct mvpp2_port *port_list[MVPP2_MAX_PORTS];
731 /* Aggregated TXQs */
732 struct mvpp2_tx_queue *aggr_txqs;
735 struct mvpp2_bm_pool *bm_pools;
737 /* PRS shadow table */
738 struct mvpp2_prs_shadow *prs_shadow;
739 /* PRS auxiliary table for double vlan entries control */
740 bool *prs_double_vlans;
746 enum { MVPP21, MVPP22 } hw_version;
748 /* Maximum number of RXQs per port */
749 unsigned int max_port_rxqs;
751 /* Workqueue to gather hardware statistics */
753 struct workqueue_struct *stats_queue;
755 /* Debugfs root entry */
756 struct dentry *dbgfs_dir;
759 struct mvpp2_pcpu_stats {
760 struct u64_stats_sync syncp;
767 /* Per-CPU port control */
768 struct mvpp2_port_pcpu {
769 struct hrtimer tx_done_timer;
770 bool timer_scheduled;
771 /* Tasklet for egress finalization */
772 struct tasklet_struct tx_done_tasklet;
775 struct mvpp2_queue_vector {
777 struct napi_struct napi;
778 enum { MVPP2_QUEUE_VECTOR_SHARED, MVPP2_QUEUE_VECTOR_PRIVATE } type;
783 u32 pending_cause_rx;
784 struct mvpp2_port *port;
790 /* Index of the port from the "group of ports" complex point
799 /* Firmware node associated to the port */
800 struct fwnode_handle *fwnode;
802 /* Is a PHY always connected to the port */
805 /* Per-port registers' base address */
807 void __iomem *stats_base;
809 struct mvpp2_rx_queue **rxqs;
811 struct mvpp2_tx_queue **txqs;
813 struct net_device *dev;
817 /* Per-CPU port control */
818 struct mvpp2_port_pcpu __percpu *pcpu;
825 struct mvpp2_pcpu_stats __percpu *stats;
828 /* Per-port work and its lock to gather hardware statistics */
829 struct mutex gather_stats_lock;
830 struct delayed_work stats_work;
832 struct device_node *of_node;
834 phy_interface_t phy_interface;
835 struct phylink *phylink;
838 struct mvpp2_bm_pool *pool_long;
839 struct mvpp2_bm_pool *pool_short;
841 /* Index of first port's physical RXQ */
844 struct mvpp2_queue_vector qvecs[MVPP2_MAX_QVECS];
850 /* RSS indirection table */
851 u32 indir[MVPP22_RSS_TABLE_ENTRIES];
854 /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
855 * layout of the transmit and reception DMA descriptors, and their
856 * layout is therefore defined by the hardware design
859 #define MVPP2_TXD_L3_OFF_SHIFT 0
860 #define MVPP2_TXD_IP_HLEN_SHIFT 8
861 #define MVPP2_TXD_L4_CSUM_FRAG BIT(13)
862 #define MVPP2_TXD_L4_CSUM_NOT BIT(14)
863 #define MVPP2_TXD_IP_CSUM_DISABLE BIT(15)
864 #define MVPP2_TXD_PADDING_DISABLE BIT(23)
865 #define MVPP2_TXD_L4_UDP BIT(24)
866 #define MVPP2_TXD_L3_IP6 BIT(26)
867 #define MVPP2_TXD_L_DESC BIT(28)
868 #define MVPP2_TXD_F_DESC BIT(29)
870 #define MVPP2_RXD_ERR_SUMMARY BIT(15)
871 #define MVPP2_RXD_ERR_CODE_MASK (BIT(13) | BIT(14))
872 #define MVPP2_RXD_ERR_CRC 0x0
873 #define MVPP2_RXD_ERR_OVERRUN BIT(13)
874 #define MVPP2_RXD_ERR_RESOURCE (BIT(13) | BIT(14))
875 #define MVPP2_RXD_BM_POOL_ID_OFFS 16
876 #define MVPP2_RXD_BM_POOL_ID_MASK (BIT(16) | BIT(17) | BIT(18))
877 #define MVPP2_RXD_HWF_SYNC BIT(21)
878 #define MVPP2_RXD_L4_CSUM_OK BIT(22)
879 #define MVPP2_RXD_IP4_HEADER_ERR BIT(24)
880 #define MVPP2_RXD_L4_TCP BIT(25)
881 #define MVPP2_RXD_L4_UDP BIT(26)
882 #define MVPP2_RXD_L3_IP4 BIT(28)
883 #define MVPP2_RXD_L3_IP6 BIT(30)
884 #define MVPP2_RXD_BUF_HDR BIT(31)
886 /* HW TX descriptor for PPv2.1 */
887 struct mvpp21_tx_desc {
888 __le32 command; /* Options used by HW for packet transmitting.*/
889 u8 packet_offset; /* the offset from the buffer beginning */
890 u8 phys_txq; /* destination queue ID */
891 __le16 data_size; /* data size of transmitted packet in bytes */
892 __le32 buf_dma_addr; /* physical addr of transmitted buffer */
893 __le32 buf_cookie; /* cookie for access to TX buffer in tx path */
894 __le32 reserved1[3]; /* hw_cmd (for future use, BM, PON, PNC) */
895 __le32 reserved2; /* reserved (for future use) */
898 /* HW RX descriptor for PPv2.1 */
899 struct mvpp21_rx_desc {
900 __le32 status; /* info about received packet */
901 __le16 reserved1; /* parser_info (for future use, PnC) */
902 __le16 data_size; /* size of received packet in bytes */
903 __le32 buf_dma_addr; /* physical address of the buffer */
904 __le32 buf_cookie; /* cookie for access to RX buffer in rx path */
905 __le16 reserved2; /* gem_port_id (for future use, PON) */
906 __le16 reserved3; /* csum_l4 (for future use, PnC) */
907 u8 reserved4; /* bm_qset (for future use, BM) */
909 __le16 reserved6; /* classify_info (for future use, PnC) */
910 __le32 reserved7; /* flow_id (for future use, PnC) */
914 /* HW TX descriptor for PPv2.2 */
915 struct mvpp22_tx_desc {
921 __le64 buf_dma_addr_ptp;
922 __le64 buf_cookie_misc;
925 /* HW RX descriptor for PPv2.2 */
926 struct mvpp22_rx_desc {
932 __le64 buf_dma_addr_key_hash;
933 __le64 buf_cookie_misc;
936 /* Opaque type used by the driver to manipulate the HW TX and RX
939 struct mvpp2_tx_desc {
941 struct mvpp21_tx_desc pp21;
942 struct mvpp22_tx_desc pp22;
946 struct mvpp2_rx_desc {
948 struct mvpp21_rx_desc pp21;
949 struct mvpp22_rx_desc pp22;
953 struct mvpp2_txq_pcpu_buf {
954 /* Transmitted SKB */
957 /* Physical address of transmitted buffer */
960 /* Size transmitted */
964 /* Per-CPU Tx queue control */
965 struct mvpp2_txq_pcpu {
968 /* Number of Tx DMA descriptors in the descriptor ring */
971 /* Number of currently used Tx DMA descriptor in the
979 /* Number of Tx DMA descriptors reserved for each CPU */
982 /* Infos about transmitted buffers */
983 struct mvpp2_txq_pcpu_buf *buffs;
985 /* Index of last TX DMA descriptor that was inserted */
988 /* Index of the TX DMA descriptor to be cleaned up */
991 /* DMA buffer for TSO headers */
993 dma_addr_t tso_headers_dma;
996 struct mvpp2_tx_queue {
997 /* Physical number of this Tx queue */
1000 /* Logical number of this Tx queue */
1003 /* Number of Tx DMA descriptors in the descriptor ring */
1006 /* Number of currently used Tx DMA descriptor in the descriptor ring */
1009 /* Per-CPU control of physical Tx queues */
1010 struct mvpp2_txq_pcpu __percpu *pcpu;
1014 /* Virtual address of thex Tx DMA descriptors array */
1015 struct mvpp2_tx_desc *descs;
1017 /* DMA address of the Tx DMA descriptors array */
1018 dma_addr_t descs_dma;
1020 /* Index of the last Tx DMA descriptor */
1023 /* Index of the next Tx DMA descriptor to process */
1024 int next_desc_to_proc;
1027 struct mvpp2_rx_queue {
1028 /* RX queue number, in the range 0-31 for physical RXQs */
1031 /* Num of rx descriptors in the rx descriptor ring */
1037 /* Virtual address of the RX DMA descriptors array */
1038 struct mvpp2_rx_desc *descs;
1040 /* DMA address of the RX DMA descriptors array */
1041 dma_addr_t descs_dma;
1043 /* Index of the last RX DMA descriptor */
1046 /* Index of the next RX DMA descriptor to process */
1047 int next_desc_to_proc;
1049 /* ID of port to which physical RXQ is mapped */
1052 /* Port's logic RXQ number to which physical RXQ is mapped */
1056 struct mvpp2_bm_pool {
1057 /* Pool number in the range 0-7 */
1060 /* Buffer Pointers Pool External (BPPE) size */
1062 /* BPPE size in bytes */
1064 /* Number of buffers for this pool */
1066 /* Pool buffer size */
1072 /* BPPE virtual base address */
1074 /* BPPE DMA base address */
1075 dma_addr_t dma_addr;
1077 /* Ports using BM pool */
1081 #define IS_TSO_HEADER(txq_pcpu, addr) \
1082 ((addr) >= (txq_pcpu)->tso_headers_dma && \
1083 (addr) < (txq_pcpu)->tso_headers_dma + \
1084 (txq_pcpu)->size * TSO_HEADER_SIZE)
1086 #define MVPP2_DRIVER_NAME "mvpp2"
1087 #define MVPP2_DRIVER_VERSION "1.0"
1089 void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data);
1090 u32 mvpp2_read(struct mvpp2 *priv, u32 offset);
1092 u32 mvpp2_read_relaxed(struct mvpp2 *priv, u32 offset);
1094 void mvpp2_percpu_write(struct mvpp2 *priv, int cpu, u32 offset, u32 data);
1095 u32 mvpp2_percpu_read(struct mvpp2 *priv, int cpu, u32 offset);
1097 void mvpp2_percpu_write_relaxed(struct mvpp2 *priv, int cpu, u32 offset,
1100 void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name);
1102 void mvpp2_dbgfs_cleanup(struct mvpp2 *priv);