xref: /linux/drivers/net/ethernet/marvell/mvpp2/mvpp2.h (revision 63307d015b91e626c97bb82e88054af3d0b74643)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Definitions for Marvell PPv2 network controller for Armada 375 SoC.
4  *
5  * Copyright (C) 2014 Marvell
6  *
7  * Marcin Wojtas <mw@semihalf.com>
8  */
9 #ifndef _MVPP2_H_
10 #define _MVPP2_H_
11 
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>
17 #include <net/flow_offload.h>
18 
19 /* Fifo Registers */
20 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port)	(0x00 + 4 * (port))
21 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port)	(0x20 + 4 * (port))
22 #define MVPP2_RX_MIN_PKT_SIZE_REG		0x60
23 #define MVPP2_RX_FIFO_INIT_REG			0x64
24 #define MVPP22_TX_FIFO_THRESH_REG(port)		(0x8840 + 4 * (port))
25 #define MVPP22_TX_FIFO_SIZE_REG(port)		(0x8860 + 4 * (port))
26 
27 /* RX DMA Top Registers */
28 #define MVPP2_RX_CTRL_REG(port)			(0x140 + 4 * (port))
29 #define     MVPP2_RX_LOW_LATENCY_PKT_SIZE(s)	(((s) & 0xfff) << 16)
30 #define     MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK	BIT(31)
31 #define MVPP2_POOL_BUF_SIZE_REG(pool)		(0x180 + 4 * (pool))
32 #define     MVPP2_POOL_BUF_SIZE_OFFSET		5
33 #define MVPP2_RXQ_CONFIG_REG(rxq)		(0x800 + 4 * (rxq))
34 #define     MVPP2_SNOOP_PKT_SIZE_MASK		0x1ff
35 #define     MVPP2_SNOOP_BUF_HDR_MASK		BIT(9)
36 #define     MVPP2_RXQ_POOL_SHORT_OFFS		20
37 #define     MVPP21_RXQ_POOL_SHORT_MASK		0x700000
38 #define     MVPP22_RXQ_POOL_SHORT_MASK		0xf00000
39 #define     MVPP2_RXQ_POOL_LONG_OFFS		24
40 #define     MVPP21_RXQ_POOL_LONG_MASK		0x7000000
41 #define     MVPP22_RXQ_POOL_LONG_MASK		0xf000000
42 #define     MVPP2_RXQ_PACKET_OFFSET_OFFS	28
43 #define     MVPP2_RXQ_PACKET_OFFSET_MASK	0x70000000
44 #define     MVPP2_RXQ_DISABLE_MASK		BIT(31)
45 
46 /* Top Registers */
47 #define MVPP2_MH_REG(port)			(0x5040 + 4 * (port))
48 #define MVPP2_DSA_EXTENDED			BIT(5)
49 
50 /* Parser Registers */
51 #define MVPP2_PRS_INIT_LOOKUP_REG		0x1000
52 #define     MVPP2_PRS_PORT_LU_MAX		0xf
53 #define     MVPP2_PRS_PORT_LU_MASK(port)	(0xff << ((port) * 4))
54 #define     MVPP2_PRS_PORT_LU_VAL(port, val)	((val) << ((port) * 4))
55 #define MVPP2_PRS_INIT_OFFS_REG(port)		(0x1004 + ((port) & 4))
56 #define     MVPP2_PRS_INIT_OFF_MASK(port)	(0x3f << (((port) % 4) * 8))
57 #define     MVPP2_PRS_INIT_OFF_VAL(port, val)	((val) << (((port) % 4) * 8))
58 #define MVPP2_PRS_MAX_LOOP_REG(port)		(0x100c + ((port) & 4))
59 #define     MVPP2_PRS_MAX_LOOP_MASK(port)	(0xff << (((port) % 4) * 8))
60 #define     MVPP2_PRS_MAX_LOOP_VAL(port, val)	((val) << (((port) % 4) * 8))
61 #define MVPP2_PRS_TCAM_IDX_REG			0x1100
62 #define MVPP2_PRS_TCAM_DATA_REG(idx)		(0x1104 + (idx) * 4)
63 #define     MVPP2_PRS_TCAM_INV_MASK		BIT(31)
64 #define MVPP2_PRS_SRAM_IDX_REG			0x1200
65 #define MVPP2_PRS_SRAM_DATA_REG(idx)		(0x1204 + (idx) * 4)
66 #define MVPP2_PRS_TCAM_CTRL_REG			0x1230
67 #define     MVPP2_PRS_TCAM_EN_MASK		BIT(0)
68 #define MVPP2_PRS_TCAM_HIT_IDX_REG		0x1240
69 #define MVPP2_PRS_TCAM_HIT_CNT_REG		0x1244
70 #define     MVPP2_PRS_TCAM_HIT_CNT_MASK		GENMASK(15, 0)
71 
72 /* RSS Registers */
73 #define MVPP22_RSS_INDEX			0x1500
74 #define     MVPP22_RSS_INDEX_TABLE_ENTRY(idx)	(idx)
75 #define     MVPP22_RSS_INDEX_TABLE(idx)		((idx) << 8)
76 #define     MVPP22_RSS_INDEX_QUEUE(idx)		((idx) << 16)
77 #define MVPP22_RXQ2RSS_TABLE			0x1504
78 #define     MVPP22_RSS_TABLE_POINTER(p)		(p)
79 #define MVPP22_RSS_TABLE_ENTRY			0x1508
80 #define MVPP22_RSS_WIDTH			0x150c
81 
82 /* Classifier Registers */
83 #define MVPP2_CLS_MODE_REG			0x1800
84 #define     MVPP2_CLS_MODE_ACTIVE_MASK		BIT(0)
85 #define MVPP2_CLS_PORT_WAY_REG			0x1810
86 #define     MVPP2_CLS_PORT_WAY_MASK(port)	(1 << (port))
87 #define MVPP2_CLS_LKP_INDEX_REG			0x1814
88 #define     MVPP2_CLS_LKP_INDEX_WAY_OFFS	6
89 #define MVPP2_CLS_LKP_TBL_REG			0x1818
90 #define     MVPP2_CLS_LKP_TBL_RXQ_MASK		0xff
91 #define     MVPP2_CLS_LKP_FLOW_PTR(flow)	((flow) << 16)
92 #define     MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK	BIT(25)
93 #define MVPP2_CLS_FLOW_INDEX_REG		0x1820
94 #define MVPP2_CLS_FLOW_TBL0_REG			0x1824
95 #define     MVPP2_CLS_FLOW_TBL0_LAST		BIT(0)
96 #define     MVPP2_CLS_FLOW_TBL0_ENG_MASK	0x7
97 #define     MVPP2_CLS_FLOW_TBL0_OFFS		1
98 #define     MVPP2_CLS_FLOW_TBL0_ENG(x)		((x) << 1)
99 #define     MVPP2_CLS_FLOW_TBL0_PORT_ID_MASK	0xff
100 #define     MVPP2_CLS_FLOW_TBL0_PORT_ID(port)	((port) << 4)
101 #define     MVPP2_CLS_FLOW_TBL0_PORT_ID_SEL	BIT(23)
102 #define MVPP2_CLS_FLOW_TBL1_REG			0x1828
103 #define     MVPP2_CLS_FLOW_TBL1_N_FIELDS_MASK	0x7
104 #define     MVPP2_CLS_FLOW_TBL1_N_FIELDS(x)	(x)
105 #define     MVPP2_CLS_FLOW_TBL1_LU_TYPE(lu)	(((lu) & 0x3f) << 3)
106 #define     MVPP2_CLS_FLOW_TBL1_PRIO_MASK	0x3f
107 #define     MVPP2_CLS_FLOW_TBL1_PRIO(x)		((x) << 9)
108 #define     MVPP2_CLS_FLOW_TBL1_SEQ_MASK	0x7
109 #define     MVPP2_CLS_FLOW_TBL1_SEQ(x)		((x) << 15)
110 #define MVPP2_CLS_FLOW_TBL2_REG			0x182c
111 #define     MVPP2_CLS_FLOW_TBL2_FLD_MASK	0x3f
112 #define     MVPP2_CLS_FLOW_TBL2_FLD_OFFS(n)	((n) * 6)
113 #define     MVPP2_CLS_FLOW_TBL2_FLD(n, x)	((x) << ((n) * 6))
114 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port)	(0x1980 + ((port) * 4))
115 #define     MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS	3
116 #define     MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK	0x7
117 #define MVPP2_CLS_SWFWD_P2HQ_REG(port)		(0x19b0 + ((port) * 4))
118 #define MVPP2_CLS_SWFWD_PCTRL_REG		0x19d0
119 #define     MVPP2_CLS_SWFWD_PCTRL_MASK(port)	(1 << (port))
120 
121 /* Classifier C2 engine Registers */
122 #define MVPP22_CLS_C2_TCAM_IDX			0x1b00
123 #define MVPP22_CLS_C2_TCAM_DATA0		0x1b10
124 #define MVPP22_CLS_C2_TCAM_DATA1		0x1b14
125 #define MVPP22_CLS_C2_TCAM_DATA2		0x1b18
126 #define MVPP22_CLS_C2_TCAM_DATA3		0x1b1c
127 #define MVPP22_CLS_C2_TCAM_DATA4		0x1b20
128 #define     MVPP22_CLS_C2_LU_TYPE(lu)		((lu) & 0x3f)
129 #define     MVPP22_CLS_C2_PORT_ID(port)		((port) << 8)
130 #define     MVPP22_CLS_C2_PORT_MASK		(0xff << 8)
131 #define MVPP22_CLS_C2_TCAM_INV			0x1b24
132 #define     MVPP22_CLS_C2_TCAM_INV_BIT		BIT(31)
133 #define MVPP22_CLS_C2_HIT_CTR			0x1b50
134 #define MVPP22_CLS_C2_ACT			0x1b60
135 #define     MVPP22_CLS_C2_ACT_RSS_EN(act)	(((act) & 0x3) << 19)
136 #define     MVPP22_CLS_C2_ACT_FWD(act)		(((act) & 0x7) << 13)
137 #define     MVPP22_CLS_C2_ACT_QHIGH(act)	(((act) & 0x3) << 11)
138 #define     MVPP22_CLS_C2_ACT_QLOW(act)		(((act) & 0x3) << 9)
139 #define     MVPP22_CLS_C2_ACT_COLOR(act)	((act) & 0x7)
140 #define MVPP22_CLS_C2_ATTR0			0x1b64
141 #define     MVPP22_CLS_C2_ATTR0_QHIGH(qh)	(((qh) & 0x1f) << 24)
142 #define     MVPP22_CLS_C2_ATTR0_QHIGH_MASK	0x1f
143 #define     MVPP22_CLS_C2_ATTR0_QHIGH_OFFS	24
144 #define     MVPP22_CLS_C2_ATTR0_QLOW(ql)	(((ql) & 0x7) << 21)
145 #define     MVPP22_CLS_C2_ATTR0_QLOW_MASK	0x7
146 #define     MVPP22_CLS_C2_ATTR0_QLOW_OFFS	21
147 #define MVPP22_CLS_C2_ATTR1			0x1b68
148 #define MVPP22_CLS_C2_ATTR2			0x1b6c
149 #define     MVPP22_CLS_C2_ATTR2_RSS_EN		BIT(30)
150 #define MVPP22_CLS_C2_ATTR3			0x1b70
151 
152 /* Descriptor Manager Top Registers */
153 #define MVPP2_RXQ_NUM_REG			0x2040
154 #define MVPP2_RXQ_DESC_ADDR_REG			0x2044
155 #define     MVPP22_DESC_ADDR_OFFS		8
156 #define MVPP2_RXQ_DESC_SIZE_REG			0x2048
157 #define     MVPP2_RXQ_DESC_SIZE_MASK		0x3ff0
158 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq)	(0x3000 + 4 * (rxq))
159 #define     MVPP2_RXQ_NUM_PROCESSED_OFFSET	0
160 #define     MVPP2_RXQ_NUM_NEW_OFFSET		16
161 #define MVPP2_RXQ_STATUS_REG(rxq)		(0x3400 + 4 * (rxq))
162 #define     MVPP2_RXQ_OCCUPIED_MASK		0x3fff
163 #define     MVPP2_RXQ_NON_OCCUPIED_OFFSET	16
164 #define     MVPP2_RXQ_NON_OCCUPIED_MASK		0x3fff0000
165 #define MVPP2_RXQ_THRESH_REG			0x204c
166 #define     MVPP2_OCCUPIED_THRESH_OFFSET	0
167 #define     MVPP2_OCCUPIED_THRESH_MASK		0x3fff
168 #define MVPP2_RXQ_INDEX_REG			0x2050
169 #define MVPP2_TXQ_NUM_REG			0x2080
170 #define MVPP2_TXQ_DESC_ADDR_REG			0x2084
171 #define MVPP2_TXQ_DESC_SIZE_REG			0x2088
172 #define     MVPP2_TXQ_DESC_SIZE_MASK		0x3ff0
173 #define MVPP2_TXQ_THRESH_REG			0x2094
174 #define	    MVPP2_TXQ_THRESH_OFFSET		16
175 #define	    MVPP2_TXQ_THRESH_MASK		0x3fff
176 #define MVPP2_AGGR_TXQ_UPDATE_REG		0x2090
177 #define MVPP2_TXQ_INDEX_REG			0x2098
178 #define MVPP2_TXQ_PREF_BUF_REG			0x209c
179 #define     MVPP2_PREF_BUF_PTR(desc)		((desc) & 0xfff)
180 #define     MVPP2_PREF_BUF_SIZE_4		(BIT(12) | BIT(13))
181 #define     MVPP2_PREF_BUF_SIZE_16		(BIT(12) | BIT(14))
182 #define     MVPP2_PREF_BUF_THRESH(val)		((val) << 17)
183 #define     MVPP2_TXQ_DRAIN_EN_MASK		BIT(31)
184 #define MVPP2_TXQ_PENDING_REG			0x20a0
185 #define     MVPP2_TXQ_PENDING_MASK		0x3fff
186 #define MVPP2_TXQ_INT_STATUS_REG		0x20a4
187 #define MVPP2_TXQ_SENT_REG(txq)			(0x3c00 + 4 * (txq))
188 #define     MVPP2_TRANSMITTED_COUNT_OFFSET	16
189 #define     MVPP2_TRANSMITTED_COUNT_MASK	0x3fff0000
190 #define MVPP2_TXQ_RSVD_REQ_REG			0x20b0
191 #define     MVPP2_TXQ_RSVD_REQ_Q_OFFSET		16
192 #define MVPP2_TXQ_RSVD_RSLT_REG			0x20b4
193 #define     MVPP2_TXQ_RSVD_RSLT_MASK		0x3fff
194 #define MVPP2_TXQ_RSVD_CLR_REG			0x20b8
195 #define     MVPP2_TXQ_RSVD_CLR_OFFSET		16
196 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu)	(0x2100 + 4 * (cpu))
197 #define     MVPP22_AGGR_TXQ_DESC_ADDR_OFFS	8
198 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu)	(0x2140 + 4 * (cpu))
199 #define     MVPP2_AGGR_TXQ_DESC_SIZE_MASK	0x3ff0
200 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu)		(0x2180 + 4 * (cpu))
201 #define     MVPP2_AGGR_TXQ_PENDING_MASK		0x3fff
202 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu)		(0x21c0 + 4 * (cpu))
203 
204 /* MBUS bridge registers */
205 #define MVPP2_WIN_BASE(w)			(0x4000 + ((w) << 2))
206 #define MVPP2_WIN_SIZE(w)			(0x4020 + ((w) << 2))
207 #define MVPP2_WIN_REMAP(w)			(0x4040 + ((w) << 2))
208 #define MVPP2_BASE_ADDR_ENABLE			0x4060
209 
210 /* AXI Bridge Registers */
211 #define MVPP22_AXI_BM_WR_ATTR_REG		0x4100
212 #define MVPP22_AXI_BM_RD_ATTR_REG		0x4104
213 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG	0x4110
214 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG	0x4114
215 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG	0x4118
216 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG	0x411c
217 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG		0x4120
218 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG		0x4130
219 #define MVPP22_AXI_RD_NORMAL_CODE_REG		0x4150
220 #define MVPP22_AXI_RD_SNOOP_CODE_REG		0x4154
221 #define MVPP22_AXI_WR_NORMAL_CODE_REG		0x4160
222 #define MVPP22_AXI_WR_SNOOP_CODE_REG		0x4164
223 
224 /* Values for AXI Bridge registers */
225 #define MVPP22_AXI_ATTR_CACHE_OFFS		0
226 #define MVPP22_AXI_ATTR_DOMAIN_OFFS		12
227 
228 #define MVPP22_AXI_CODE_CACHE_OFFS		0
229 #define MVPP22_AXI_CODE_DOMAIN_OFFS		4
230 
231 #define MVPP22_AXI_CODE_CACHE_NON_CACHE		0x3
232 #define MVPP22_AXI_CODE_CACHE_WR_CACHE		0x7
233 #define MVPP22_AXI_CODE_CACHE_RD_CACHE		0xb
234 
235 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM	2
236 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM		3
237 
238 /* Interrupt Cause and Mask registers */
239 #define MVPP2_ISR_TX_THRESHOLD_REG(port)	(0x5140 + 4 * (port))
240 #define     MVPP2_MAX_ISR_TX_THRESHOLD		0xfffff0
241 
242 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq)		(0x5200 + 4 * (rxq))
243 #define     MVPP2_MAX_ISR_RX_THRESHOLD		0xfffff0
244 #define MVPP21_ISR_RXQ_GROUP_REG(port)		(0x5400 + 4 * (port))
245 
246 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG		0x5400
247 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
248 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK	0x380
249 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET	7
250 
251 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
252 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK	0x380
253 
254 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG	0x5404
255 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK	0x1f
256 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK	0xf00
257 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET	8
258 
259 #define MVPP2_ISR_ENABLE_REG(port)		(0x5420 + 4 * (port))
260 #define     MVPP2_ISR_ENABLE_INTERRUPT(mask)	((mask) & 0xffff)
261 #define     MVPP2_ISR_DISABLE_INTERRUPT(mask)	(((mask) << 16) & 0xffff0000)
262 #define MVPP2_ISR_RX_TX_CAUSE_REG(port)		(0x5480 + 4 * (port))
263 #define     MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK(version) \
264 					((version) == MVPP21 ? 0xffff : 0xff)
265 #define     MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK	0xff0000
266 #define     MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_OFFSET	16
267 #define     MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK	BIT(24)
268 #define     MVPP2_CAUSE_FCS_ERR_MASK		BIT(25)
269 #define     MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK	BIT(26)
270 #define     MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK	BIT(29)
271 #define     MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK	BIT(30)
272 #define     MVPP2_CAUSE_MISC_SUM_MASK		BIT(31)
273 #define MVPP2_ISR_RX_TX_MASK_REG(port)		(0x54a0 + 4 * (port))
274 #define MVPP2_ISR_PON_RX_TX_MASK_REG		0x54bc
275 #define     MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK	0xffff
276 #define     MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK	0x3fc00000
277 #define     MVPP2_PON_CAUSE_MISC_SUM_MASK		BIT(31)
278 #define MVPP2_ISR_MISC_CAUSE_REG		0x55b0
279 
280 /* Buffer Manager registers */
281 #define MVPP2_BM_POOL_BASE_REG(pool)		(0x6000 + ((pool) * 4))
282 #define     MVPP2_BM_POOL_BASE_ADDR_MASK	0xfffff80
283 #define MVPP2_BM_POOL_SIZE_REG(pool)		(0x6040 + ((pool) * 4))
284 #define     MVPP2_BM_POOL_SIZE_MASK		0xfff0
285 #define MVPP2_BM_POOL_READ_PTR_REG(pool)	(0x6080 + ((pool) * 4))
286 #define     MVPP2_BM_POOL_GET_READ_PTR_MASK	0xfff0
287 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool)	(0x60c0 + ((pool) * 4))
288 #define     MVPP2_BM_POOL_PTRS_NUM_MASK		0xfff0
289 #define MVPP2_BM_BPPI_READ_PTR_REG(pool)	(0x6100 + ((pool) * 4))
290 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool)	(0x6140 + ((pool) * 4))
291 #define     MVPP2_BM_BPPI_PTR_NUM_MASK		0x7ff
292 #define MVPP22_BM_POOL_PTRS_NUM_MASK		0xfff8
293 #define     MVPP2_BM_BPPI_PREFETCH_FULL_MASK	BIT(16)
294 #define MVPP2_BM_POOL_CTRL_REG(pool)		(0x6200 + ((pool) * 4))
295 #define     MVPP2_BM_START_MASK			BIT(0)
296 #define     MVPP2_BM_STOP_MASK			BIT(1)
297 #define     MVPP2_BM_STATE_MASK			BIT(4)
298 #define     MVPP2_BM_LOW_THRESH_OFFS		8
299 #define     MVPP2_BM_LOW_THRESH_MASK		0x7f00
300 #define     MVPP2_BM_LOW_THRESH_VALUE(val)	((val) << \
301 						MVPP2_BM_LOW_THRESH_OFFS)
302 #define     MVPP2_BM_HIGH_THRESH_OFFS		16
303 #define     MVPP2_BM_HIGH_THRESH_MASK		0x7f0000
304 #define     MVPP2_BM_HIGH_THRESH_VALUE(val)	((val) << \
305 						MVPP2_BM_HIGH_THRESH_OFFS)
306 #define MVPP2_BM_INTR_CAUSE_REG(pool)		(0x6240 + ((pool) * 4))
307 #define     MVPP2_BM_RELEASED_DELAY_MASK	BIT(0)
308 #define     MVPP2_BM_ALLOC_FAILED_MASK		BIT(1)
309 #define     MVPP2_BM_BPPE_EMPTY_MASK		BIT(2)
310 #define     MVPP2_BM_BPPE_FULL_MASK		BIT(3)
311 #define     MVPP2_BM_AVAILABLE_BP_LOW_MASK	BIT(4)
312 #define MVPP2_BM_INTR_MASK_REG(pool)		(0x6280 + ((pool) * 4))
313 #define MVPP2_BM_PHY_ALLOC_REG(pool)		(0x6400 + ((pool) * 4))
314 #define     MVPP2_BM_PHY_ALLOC_GRNTD_MASK	BIT(0)
315 #define MVPP2_BM_VIRT_ALLOC_REG			0x6440
316 #define MVPP22_BM_ADDR_HIGH_ALLOC		0x6444
317 #define     MVPP22_BM_ADDR_HIGH_PHYS_MASK	0xff
318 #define     MVPP22_BM_ADDR_HIGH_VIRT_MASK	0xff00
319 #define     MVPP22_BM_ADDR_HIGH_VIRT_SHIFT	8
320 #define MVPP2_BM_PHY_RLS_REG(pool)		(0x6480 + ((pool) * 4))
321 #define     MVPP2_BM_PHY_RLS_MC_BUFF_MASK	BIT(0)
322 #define     MVPP2_BM_PHY_RLS_PRIO_EN_MASK	BIT(1)
323 #define     MVPP2_BM_PHY_RLS_GRNTD_MASK		BIT(2)
324 #define MVPP2_BM_VIRT_RLS_REG			0x64c0
325 #define MVPP22_BM_ADDR_HIGH_RLS_REG		0x64c4
326 #define     MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK	0xff
327 #define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK	0xff00
328 #define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT	8
329 
330 /* Hit counters registers */
331 #define MVPP2_CTRS_IDX				0x7040
332 #define MVPP2_CLS_DEC_TBL_HIT_CTR		0x7700
333 #define MVPP2_CLS_FLOW_TBL_HIT_CTR		0x7704
334 
335 /* TX Scheduler registers */
336 #define MVPP2_TXP_SCHED_PORT_INDEX_REG		0x8000
337 #define MVPP2_TXP_SCHED_Q_CMD_REG		0x8004
338 #define     MVPP2_TXP_SCHED_ENQ_MASK		0xff
339 #define     MVPP2_TXP_SCHED_DISQ_OFFSET		8
340 #define MVPP2_TXP_SCHED_CMD_1_REG		0x8010
341 #define MVPP2_TXP_SCHED_FIXED_PRIO_REG		0x8014
342 #define MVPP2_TXP_SCHED_PERIOD_REG		0x8018
343 #define MVPP2_TXP_SCHED_MTU_REG			0x801c
344 #define     MVPP2_TXP_MTU_MAX			0x7FFFF
345 #define MVPP2_TXP_SCHED_REFILL_REG		0x8020
346 #define     MVPP2_TXP_REFILL_TOKENS_ALL_MASK	0x7ffff
347 #define     MVPP2_TXP_REFILL_PERIOD_ALL_MASK	0x3ff00000
348 #define     MVPP2_TXP_REFILL_PERIOD_MASK(v)	((v) << 20)
349 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG		0x8024
350 #define     MVPP2_TXP_TOKEN_SIZE_MAX		0xffffffff
351 #define MVPP2_TXQ_SCHED_REFILL_REG(q)		(0x8040 + ((q) << 2))
352 #define     MVPP2_TXQ_REFILL_TOKENS_ALL_MASK	0x7ffff
353 #define     MVPP2_TXQ_REFILL_PERIOD_ALL_MASK	0x3ff00000
354 #define     MVPP2_TXQ_REFILL_PERIOD_MASK(v)	((v) << 20)
355 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q)	(0x8060 + ((q) << 2))
356 #define     MVPP2_TXQ_TOKEN_SIZE_MAX		0x7fffffff
357 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q)	(0x8080 + ((q) << 2))
358 #define     MVPP2_TXQ_TOKEN_CNTR_MAX		0xffffffff
359 
360 /* TX general registers */
361 #define MVPP2_TX_SNOOP_REG			0x8800
362 #define MVPP2_TX_PORT_FLUSH_REG			0x8810
363 #define     MVPP2_TX_PORT_FLUSH_MASK(port)	(1 << (port))
364 
365 /* LMS registers */
366 #define MVPP2_SRC_ADDR_MIDDLE			0x24
367 #define MVPP2_SRC_ADDR_HIGH			0x28
368 #define MVPP2_PHY_AN_CFG0_REG			0x34
369 #define     MVPP2_PHY_AN_STOP_SMI0_MASK		BIT(7)
370 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG	0x305c
371 #define     MVPP2_EXT_GLOBAL_CTRL_DEFAULT	0x27
372 
373 /* Per-port registers */
374 #define MVPP2_GMAC_CTRL_0_REG			0x0
375 #define     MVPP2_GMAC_PORT_EN_MASK		BIT(0)
376 #define     MVPP2_GMAC_PORT_TYPE_MASK		BIT(1)
377 #define     MVPP2_GMAC_MAX_RX_SIZE_OFFS		2
378 #define     MVPP2_GMAC_MAX_RX_SIZE_MASK		0x7ffc
379 #define     MVPP2_GMAC_MIB_CNTR_EN_MASK		BIT(15)
380 #define MVPP2_GMAC_CTRL_1_REG			0x4
381 #define     MVPP2_GMAC_PERIODIC_XON_EN_MASK	BIT(1)
382 #define     MVPP2_GMAC_GMII_LB_EN_MASK		BIT(5)
383 #define     MVPP2_GMAC_PCS_LB_EN_BIT		6
384 #define     MVPP2_GMAC_PCS_LB_EN_MASK		BIT(6)
385 #define     MVPP2_GMAC_SA_LOW_OFFS		7
386 #define MVPP2_GMAC_CTRL_2_REG			0x8
387 #define     MVPP2_GMAC_INBAND_AN_MASK		BIT(0)
388 #define     MVPP2_GMAC_FLOW_CTRL_MASK		GENMASK(2, 1)
389 #define     MVPP2_GMAC_PCS_ENABLE_MASK		BIT(3)
390 #define     MVPP2_GMAC_INTERNAL_CLK_MASK	BIT(4)
391 #define     MVPP2_GMAC_DISABLE_PADDING		BIT(5)
392 #define     MVPP2_GMAC_PORT_RESET_MASK		BIT(6)
393 #define MVPP2_GMAC_AUTONEG_CONFIG		0xc
394 #define     MVPP2_GMAC_FORCE_LINK_DOWN		BIT(0)
395 #define     MVPP2_GMAC_FORCE_LINK_PASS		BIT(1)
396 #define     MVPP2_GMAC_IN_BAND_AUTONEG		BIT(2)
397 #define     MVPP2_GMAC_IN_BAND_AUTONEG_BYPASS	BIT(3)
398 #define     MVPP2_GMAC_IN_BAND_RESTART_AN	BIT(4)
399 #define     MVPP2_GMAC_CONFIG_MII_SPEED		BIT(5)
400 #define     MVPP2_GMAC_CONFIG_GMII_SPEED	BIT(6)
401 #define     MVPP2_GMAC_AN_SPEED_EN		BIT(7)
402 #define     MVPP2_GMAC_FC_ADV_EN		BIT(9)
403 #define     MVPP2_GMAC_FC_ADV_ASM_EN		BIT(10)
404 #define     MVPP2_GMAC_FLOW_CTRL_AUTONEG	BIT(11)
405 #define     MVPP2_GMAC_CONFIG_FULL_DUPLEX	BIT(12)
406 #define     MVPP2_GMAC_AN_DUPLEX_EN		BIT(13)
407 #define MVPP2_GMAC_STATUS0			0x10
408 #define     MVPP2_GMAC_STATUS0_LINK_UP		BIT(0)
409 #define     MVPP2_GMAC_STATUS0_GMII_SPEED	BIT(1)
410 #define     MVPP2_GMAC_STATUS0_MII_SPEED	BIT(2)
411 #define     MVPP2_GMAC_STATUS0_FULL_DUPLEX	BIT(3)
412 #define     MVPP2_GMAC_STATUS0_RX_PAUSE		BIT(4)
413 #define     MVPP2_GMAC_STATUS0_TX_PAUSE		BIT(5)
414 #define     MVPP2_GMAC_STATUS0_AN_COMPLETE	BIT(11)
415 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG		0x1c
416 #define     MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS	6
417 #define     MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK	0x1fc0
418 #define     MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v)	(((v) << 6) & \
419 					MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
420 #define MVPP22_GMAC_INT_STAT			0x20
421 #define     MVPP22_GMAC_INT_STAT_LINK		BIT(1)
422 #define MVPP22_GMAC_INT_MASK			0x24
423 #define     MVPP22_GMAC_INT_MASK_LINK_STAT	BIT(1)
424 #define MVPP22_GMAC_CTRL_4_REG			0x90
425 #define     MVPP22_CTRL4_EXT_PIN_GMII_SEL	BIT(0)
426 #define     MVPP22_CTRL4_RX_FC_EN		BIT(3)
427 #define     MVPP22_CTRL4_TX_FC_EN		BIT(4)
428 #define     MVPP22_CTRL4_DP_CLK_SEL		BIT(5)
429 #define     MVPP22_CTRL4_SYNC_BYPASS_DIS	BIT(6)
430 #define     MVPP22_CTRL4_QSGMII_BYPASS_ACTIVE	BIT(7)
431 #define MVPP22_GMAC_INT_SUM_MASK		0xa4
432 #define     MVPP22_GMAC_INT_SUM_MASK_LINK_STAT	BIT(1)
433 
434 /* Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
435  * relative to port->base.
436  */
437 #define MVPP22_XLG_CTRL0_REG			0x100
438 #define     MVPP22_XLG_CTRL0_PORT_EN		BIT(0)
439 #define     MVPP22_XLG_CTRL0_MAC_RESET_DIS	BIT(1)
440 #define     MVPP22_XLG_CTRL0_FORCE_LINK_DOWN	BIT(2)
441 #define     MVPP22_XLG_CTRL0_FORCE_LINK_PASS	BIT(3)
442 #define     MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN	BIT(7)
443 #define     MVPP22_XLG_CTRL0_TX_FLOW_CTRL_EN	BIT(8)
444 #define     MVPP22_XLG_CTRL0_MIB_CNT_DIS	BIT(14)
445 #define MVPP22_XLG_CTRL1_REG			0x104
446 #define     MVPP22_XLG_CTRL1_FRAMESIZELIMIT_OFFS	0
447 #define     MVPP22_XLG_CTRL1_FRAMESIZELIMIT_MASK	0x1fff
448 #define MVPP22_XLG_STATUS			0x10c
449 #define     MVPP22_XLG_STATUS_LINK_UP		BIT(0)
450 #define MVPP22_XLG_INT_STAT			0x114
451 #define     MVPP22_XLG_INT_STAT_LINK		BIT(1)
452 #define MVPP22_XLG_INT_MASK			0x118
453 #define     MVPP22_XLG_INT_MASK_LINK		BIT(1)
454 #define MVPP22_XLG_CTRL3_REG			0x11c
455 #define     MVPP22_XLG_CTRL3_MACMODESELECT_MASK	(7 << 13)
456 #define     MVPP22_XLG_CTRL3_MACMODESELECT_GMAC	(0 << 13)
457 #define     MVPP22_XLG_CTRL3_MACMODESELECT_10G	(1 << 13)
458 #define MVPP22_XLG_EXT_INT_MASK			0x15c
459 #define     MVPP22_XLG_EXT_INT_MASK_XLG		BIT(1)
460 #define     MVPP22_XLG_EXT_INT_MASK_GIG		BIT(2)
461 #define MVPP22_XLG_CTRL4_REG			0x184
462 #define     MVPP22_XLG_CTRL4_FWD_FC		BIT(5)
463 #define     MVPP22_XLG_CTRL4_FWD_PFC		BIT(6)
464 #define     MVPP22_XLG_CTRL4_MACMODSELECT_GMAC	BIT(12)
465 #define     MVPP22_XLG_CTRL4_EN_IDLE_CHECK	BIT(14)
466 
467 /* SMI registers. PPv2.2 only, relative to priv->iface_base. */
468 #define MVPP22_SMI_MISC_CFG_REG			0x1204
469 #define     MVPP22_SMI_POLLING_EN		BIT(10)
470 
471 #define MVPP22_GMAC_BASE(port)		(0x7000 + (port) * 0x1000 + 0xe00)
472 
473 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK	0xff
474 
475 /* Descriptor ring Macros */
476 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
477 	(((index) < (q)->last_desc) ? ((index) + 1) : 0)
478 
479 /* XPCS registers. PPv2.2 only */
480 #define MVPP22_MPCS_BASE(port)			(0x7000 + (port) * 0x1000)
481 #define MVPP22_MPCS_CTRL			0x14
482 #define     MVPP22_MPCS_CTRL_FWD_ERR_CONN	BIT(10)
483 #define MVPP22_MPCS_CLK_RESET			0x14c
484 #define     MAC_CLK_RESET_SD_TX			BIT(0)
485 #define     MAC_CLK_RESET_SD_RX			BIT(1)
486 #define     MAC_CLK_RESET_MAC			BIT(2)
487 #define     MVPP22_MPCS_CLK_RESET_DIV_RATIO(n)	((n) << 4)
488 #define     MVPP22_MPCS_CLK_RESET_DIV_SET	BIT(11)
489 
490 /* XPCS registers. PPv2.2 only */
491 #define MVPP22_XPCS_BASE(port)			(0x7400 + (port) * 0x1000)
492 #define MVPP22_XPCS_CFG0			0x0
493 #define     MVPP22_XPCS_CFG0_RESET_DIS		BIT(0)
494 #define     MVPP22_XPCS_CFG0_PCS_MODE(n)	((n) << 3)
495 #define     MVPP22_XPCS_CFG0_ACTIVE_LANE(n)	((n) << 5)
496 
497 /* System controller registers. Accessed through a regmap. */
498 #define GENCONF_SOFT_RESET1				0x1108
499 #define     GENCONF_SOFT_RESET1_GOP			BIT(6)
500 #define GENCONF_PORT_CTRL0				0x1110
501 #define     GENCONF_PORT_CTRL0_BUS_WIDTH_SELECT		BIT(1)
502 #define     GENCONF_PORT_CTRL0_RX_DATA_SAMPLE		BIT(29)
503 #define     GENCONF_PORT_CTRL0_CLK_DIV_PHASE_CLR	BIT(31)
504 #define GENCONF_PORT_CTRL1				0x1114
505 #define     GENCONF_PORT_CTRL1_EN(p)			BIT(p)
506 #define     GENCONF_PORT_CTRL1_RESET(p)			(BIT(p) << 28)
507 #define GENCONF_CTRL0					0x1120
508 #define     GENCONF_CTRL0_PORT0_RGMII			BIT(0)
509 #define     GENCONF_CTRL0_PORT1_RGMII_MII		BIT(1)
510 #define     GENCONF_CTRL0_PORT1_RGMII			BIT(2)
511 
512 /* Various constants */
513 
514 /* Coalescing */
515 #define MVPP2_TXDONE_COAL_PKTS_THRESH	64
516 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS	1000000UL
517 #define MVPP2_TXDONE_COAL_USEC		1000
518 #define MVPP2_RX_COAL_PKTS		32
519 #define MVPP2_RX_COAL_USEC		64
520 
521 /* The two bytes Marvell header. Either contains a special value used
522  * by Marvell switches when a specific hardware mode is enabled (not
523  * supported by this driver) or is filled automatically by zeroes on
524  * the RX side. Those two bytes being at the front of the Ethernet
525  * header, they allow to have the IP header aligned on a 4 bytes
526  * boundary automatically: the hardware skips those two bytes on its
527  * own.
528  */
529 #define MVPP2_MH_SIZE			2
530 #define MVPP2_ETH_TYPE_LEN		2
531 #define MVPP2_PPPOE_HDR_SIZE		8
532 #define MVPP2_VLAN_TAG_LEN		4
533 #define MVPP2_VLAN_TAG_EDSA_LEN		8
534 
535 /* Lbtd 802.3 type */
536 #define MVPP2_IP_LBDT_TYPE		0xfffa
537 
538 #define MVPP2_TX_CSUM_MAX_SIZE		9800
539 
540 /* Timeout constants */
541 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC	1000
542 #define MVPP2_TX_PENDING_TIMEOUT_MSEC	1000
543 
544 #define MVPP2_TX_MTU_MAX		0x7ffff
545 
546 /* Maximum number of T-CONTs of PON port */
547 #define MVPP2_MAX_TCONT			16
548 
549 /* Maximum number of supported ports */
550 #define MVPP2_MAX_PORTS			4
551 
552 /* Maximum number of TXQs used by single port */
553 #define MVPP2_MAX_TXQ			8
554 
555 /* MVPP2_MAX_TSO_SEGS is the maximum number of fragments to allow in the GSO
556  * skb. As we need a maxium of two descriptors per fragments (1 header, 1 data),
557  * multiply this value by two to count the maximum number of skb descs needed.
558  */
559 #define MVPP2_MAX_TSO_SEGS		300
560 #define MVPP2_MAX_SKB_DESCS		(MVPP2_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS)
561 
562 /* Max number of RXQs per port */
563 #define MVPP2_PORT_MAX_RXQ		32
564 
565 /* Max number of Rx descriptors */
566 #define MVPP2_MAX_RXD_MAX		1024
567 #define MVPP2_MAX_RXD_DFLT		128
568 
569 /* Max number of Tx descriptors */
570 #define MVPP2_MAX_TXD_MAX		2048
571 #define MVPP2_MAX_TXD_DFLT		1024
572 
573 /* Amount of Tx descriptors that can be reserved at once by CPU */
574 #define MVPP2_CPU_DESC_CHUNK		64
575 
576 /* Max number of Tx descriptors in each aggregated queue */
577 #define MVPP2_AGGR_TXQ_SIZE		256
578 
579 /* Descriptor aligned size */
580 #define MVPP2_DESC_ALIGNED_SIZE		32
581 
582 /* Descriptor alignment mask */
583 #define MVPP2_TX_DESC_ALIGN		(MVPP2_DESC_ALIGNED_SIZE - 1)
584 
585 /* RX FIFO constants */
586 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_32KB	0x8000
587 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_8KB	0x2000
588 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_4KB	0x1000
589 #define MVPP2_RX_FIFO_PORT_ATTR_SIZE_32KB	0x200
590 #define MVPP2_RX_FIFO_PORT_ATTR_SIZE_8KB	0x80
591 #define MVPP2_RX_FIFO_PORT_ATTR_SIZE_4KB	0x40
592 #define MVPP2_RX_FIFO_PORT_MIN_PKT		0x80
593 
594 /* TX FIFO constants */
595 #define MVPP22_TX_FIFO_DATA_SIZE_10KB		0xa
596 #define MVPP22_TX_FIFO_DATA_SIZE_3KB		0x3
597 #define MVPP2_TX_FIFO_THRESHOLD_MIN		256
598 #define MVPP2_TX_FIFO_THRESHOLD_10KB	\
599 	(MVPP22_TX_FIFO_DATA_SIZE_10KB * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN)
600 #define MVPP2_TX_FIFO_THRESHOLD_3KB	\
601 	(MVPP22_TX_FIFO_DATA_SIZE_3KB * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN)
602 
603 /* RX buffer constants */
604 #define MVPP2_SKB_SHINFO_SIZE \
605 	SKB_DATA_ALIGN(sizeof(struct skb_shared_info))
606 
607 #define MVPP2_RX_PKT_SIZE(mtu) \
608 	ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
609 	      ETH_HLEN + ETH_FCS_LEN, cache_line_size())
610 
611 #define MVPP2_RX_BUF_SIZE(pkt_size)	((pkt_size) + NET_SKB_PAD)
612 #define MVPP2_RX_TOTAL_SIZE(buf_size)	((buf_size) + MVPP2_SKB_SHINFO_SIZE)
613 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
614 	((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)
615 
616 #define MVPP2_BIT_TO_BYTE(bit)		((bit) / 8)
617 #define MVPP2_BIT_TO_WORD(bit)		((bit) / 32)
618 #define MVPP2_BIT_IN_WORD(bit)		((bit) % 32)
619 
620 #define MVPP2_N_PRS_FLOWS		52
621 #define MVPP2_N_RFS_ENTRIES_PER_FLOW	4
622 
623 /* There are 7 supported high-level flows */
624 #define MVPP2_N_RFS_RULES		(MVPP2_N_RFS_ENTRIES_PER_FLOW * 7)
625 
626 /* RSS constants */
627 #define MVPP22_RSS_TABLE_ENTRIES	32
628 
629 /* IPv6 max L3 address size */
630 #define MVPP2_MAX_L3_ADDR_SIZE		16
631 
632 /* Port flags */
633 #define MVPP2_F_LOOPBACK		BIT(0)
634 #define MVPP2_F_DT_COMPAT		BIT(1)
635 
636 /* Marvell tag types */
637 enum mvpp2_tag_type {
638 	MVPP2_TAG_TYPE_NONE = 0,
639 	MVPP2_TAG_TYPE_MH   = 1,
640 	MVPP2_TAG_TYPE_DSA  = 2,
641 	MVPP2_TAG_TYPE_EDSA = 3,
642 	MVPP2_TAG_TYPE_VLAN = 4,
643 	MVPP2_TAG_TYPE_LAST = 5
644 };
645 
646 /* L2 cast enum */
647 enum mvpp2_prs_l2_cast {
648 	MVPP2_PRS_L2_UNI_CAST,
649 	MVPP2_PRS_L2_MULTI_CAST,
650 };
651 
652 /* L3 cast enum */
653 enum mvpp2_prs_l3_cast {
654 	MVPP2_PRS_L3_UNI_CAST,
655 	MVPP2_PRS_L3_MULTI_CAST,
656 	MVPP2_PRS_L3_BROAD_CAST
657 };
658 
659 /* BM constants */
660 #define MVPP2_BM_JUMBO_BUF_NUM		512
661 #define MVPP2_BM_LONG_BUF_NUM		1024
662 #define MVPP2_BM_SHORT_BUF_NUM		2048
663 #define MVPP2_BM_POOL_SIZE_MAX		(16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
664 #define MVPP2_BM_POOL_PTR_ALIGN		128
665 
666 /* BM cookie (32 bits) definition */
667 #define MVPP2_BM_COOKIE_POOL_OFFS	8
668 #define MVPP2_BM_COOKIE_CPU_OFFS	24
669 
670 #define MVPP2_BM_SHORT_FRAME_SIZE		512
671 #define MVPP2_BM_LONG_FRAME_SIZE		2048
672 #define MVPP2_BM_JUMBO_FRAME_SIZE		10240
673 /* BM short pool packet size
674  * These value assure that for SWF the total number
675  * of bytes allocated for each buffer will be 512
676  */
677 #define MVPP2_BM_SHORT_PKT_SIZE	MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_SHORT_FRAME_SIZE)
678 #define MVPP2_BM_LONG_PKT_SIZE	MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_LONG_FRAME_SIZE)
679 #define MVPP2_BM_JUMBO_PKT_SIZE	MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_JUMBO_FRAME_SIZE)
680 
681 #define MVPP21_ADDR_SPACE_SZ		0
682 #define MVPP22_ADDR_SPACE_SZ		SZ_64K
683 
684 #define MVPP2_MAX_THREADS		9
685 #define MVPP2_MAX_QVECS			MVPP2_MAX_THREADS
686 
687 /* GMAC MIB Counters register definitions */
688 #define MVPP21_MIB_COUNTERS_OFFSET		0x1000
689 #define MVPP21_MIB_COUNTERS_PORT_SZ		0x400
690 #define MVPP22_MIB_COUNTERS_OFFSET		0x0
691 #define MVPP22_MIB_COUNTERS_PORT_SZ		0x100
692 
693 #define MVPP2_MIB_GOOD_OCTETS_RCVD		0x0
694 #define MVPP2_MIB_BAD_OCTETS_RCVD		0x8
695 #define MVPP2_MIB_CRC_ERRORS_SENT		0xc
696 #define MVPP2_MIB_UNICAST_FRAMES_RCVD		0x10
697 #define MVPP2_MIB_BROADCAST_FRAMES_RCVD		0x18
698 #define MVPP2_MIB_MULTICAST_FRAMES_RCVD		0x1c
699 #define MVPP2_MIB_FRAMES_64_OCTETS		0x20
700 #define MVPP2_MIB_FRAMES_65_TO_127_OCTETS	0x24
701 #define MVPP2_MIB_FRAMES_128_TO_255_OCTETS	0x28
702 #define MVPP2_MIB_FRAMES_256_TO_511_OCTETS	0x2c
703 #define MVPP2_MIB_FRAMES_512_TO_1023_OCTETS	0x30
704 #define MVPP2_MIB_FRAMES_1024_TO_MAX_OCTETS	0x34
705 #define MVPP2_MIB_GOOD_OCTETS_SENT		0x38
706 #define MVPP2_MIB_UNICAST_FRAMES_SENT		0x40
707 #define MVPP2_MIB_MULTICAST_FRAMES_SENT		0x48
708 #define MVPP2_MIB_BROADCAST_FRAMES_SENT		0x4c
709 #define MVPP2_MIB_FC_SENT			0x54
710 #define MVPP2_MIB_FC_RCVD			0x58
711 #define MVPP2_MIB_RX_FIFO_OVERRUN		0x5c
712 #define MVPP2_MIB_UNDERSIZE_RCVD		0x60
713 #define MVPP2_MIB_FRAGMENTS_RCVD		0x64
714 #define MVPP2_MIB_OVERSIZE_RCVD			0x68
715 #define MVPP2_MIB_JABBER_RCVD			0x6c
716 #define MVPP2_MIB_MAC_RCV_ERROR			0x70
717 #define MVPP2_MIB_BAD_CRC_EVENT			0x74
718 #define MVPP2_MIB_COLLISION			0x78
719 #define MVPP2_MIB_LATE_COLLISION		0x7c
720 
721 #define MVPP2_MIB_COUNTERS_STATS_DELAY		(1 * HZ)
722 
723 #define MVPP2_DESC_DMA_MASK	DMA_BIT_MASK(40)
724 
725 /* Definitions */
726 struct mvpp2_dbgfs_entries;
727 
728 /* Shared Packet Processor resources */
729 struct mvpp2 {
730 	/* Shared registers' base addresses */
731 	void __iomem *lms_base;
732 	void __iomem *iface_base;
733 
734 	/* On PPv2.2, each "software thread" can access the base
735 	 * register through a separate address space, each 64 KB apart
736 	 * from each other. Typically, such address spaces will be
737 	 * used per CPU.
738 	 */
739 	void __iomem *swth_base[MVPP2_MAX_THREADS];
740 
741 	/* On PPv2.2, some port control registers are located into the system
742 	 * controller space. These registers are accessible through a regmap.
743 	 */
744 	struct regmap *sysctrl_base;
745 
746 	/* Common clocks */
747 	struct clk *pp_clk;
748 	struct clk *gop_clk;
749 	struct clk *mg_clk;
750 	struct clk *mg_core_clk;
751 	struct clk *axi_clk;
752 
753 	/* List of pointers to port structures */
754 	int port_count;
755 	struct mvpp2_port *port_list[MVPP2_MAX_PORTS];
756 
757 	/* Number of Tx threads used */
758 	unsigned int nthreads;
759 	/* Map of threads needing locking */
760 	unsigned long lock_map;
761 
762 	/* Aggregated TXQs */
763 	struct mvpp2_tx_queue *aggr_txqs;
764 
765 	/* BM pools */
766 	struct mvpp2_bm_pool *bm_pools;
767 
768 	/* PRS shadow table */
769 	struct mvpp2_prs_shadow *prs_shadow;
770 	/* PRS auxiliary table for double vlan entries control */
771 	bool *prs_double_vlans;
772 
773 	/* Tclk value */
774 	u32 tclk;
775 
776 	/* HW version */
777 	enum { MVPP21, MVPP22 } hw_version;
778 
779 	/* Maximum number of RXQs per port */
780 	unsigned int max_port_rxqs;
781 
782 	/* Workqueue to gather hardware statistics */
783 	char queue_name[30];
784 	struct workqueue_struct *stats_queue;
785 
786 	/* Debugfs root entry */
787 	struct dentry *dbgfs_dir;
788 
789 	/* Debugfs entries private data */
790 	struct mvpp2_dbgfs_entries *dbgfs_entries;
791 };
792 
793 struct mvpp2_pcpu_stats {
794 	struct	u64_stats_sync syncp;
795 	u64	rx_packets;
796 	u64	rx_bytes;
797 	u64	tx_packets;
798 	u64	tx_bytes;
799 };
800 
801 /* Per-CPU port control */
802 struct mvpp2_port_pcpu {
803 	struct hrtimer tx_done_timer;
804 	bool timer_scheduled;
805 	/* Tasklet for egress finalization */
806 	struct tasklet_struct tx_done_tasklet;
807 };
808 
809 struct mvpp2_queue_vector {
810 	int irq;
811 	struct napi_struct napi;
812 	enum { MVPP2_QUEUE_VECTOR_SHARED, MVPP2_QUEUE_VECTOR_PRIVATE } type;
813 	int sw_thread_id;
814 	u16 sw_thread_mask;
815 	int first_rxq;
816 	int nrxqs;
817 	u32 pending_cause_rx;
818 	struct mvpp2_port *port;
819 	struct cpumask *mask;
820 };
821 
822 /* Internal represention of a Flow Steering rule */
823 struct mvpp2_rfs_rule {
824 	/* Rule location inside the flow*/
825 	int loc;
826 
827 	/* Flow type, such as TCP_V4_FLOW, IP6_FLOW, etc. */
828 	int flow_type;
829 
830 	/* Index of the C2 TCAM entry handling this rule */
831 	int c2_index;
832 
833 	/* Header fields that needs to be extracted to match this flow */
834 	u16 hek_fields;
835 
836 	/* CLS engine : only c2 is supported for now. */
837 	u8 engine;
838 
839 	/* TCAM key and mask for C2-based steering. These fields should be
840 	 * encapsulated in a union should we add more engines.
841 	 */
842 	u64 c2_tcam;
843 	u64 c2_tcam_mask;
844 
845 	struct flow_rule *flow;
846 };
847 
848 struct mvpp2_ethtool_fs {
849 	struct mvpp2_rfs_rule rule;
850 	struct ethtool_rxnfc rxnfc;
851 };
852 
853 struct mvpp2_port {
854 	u8 id;
855 
856 	/* Index of the port from the "group of ports" complex point
857 	 * of view. This is specific to PPv2.2.
858 	 */
859 	int gop_id;
860 
861 	int link_irq;
862 
863 	struct mvpp2 *priv;
864 
865 	/* Firmware node associated to the port */
866 	struct fwnode_handle *fwnode;
867 
868 	/* Is a PHY always connected to the port */
869 	bool has_phy;
870 
871 	/* Per-port registers' base address */
872 	void __iomem *base;
873 	void __iomem *stats_base;
874 
875 	struct mvpp2_rx_queue **rxqs;
876 	unsigned int nrxqs;
877 	struct mvpp2_tx_queue **txqs;
878 	unsigned int ntxqs;
879 	struct net_device *dev;
880 
881 	int pkt_size;
882 
883 	/* Per-CPU port control */
884 	struct mvpp2_port_pcpu __percpu *pcpu;
885 
886 	/* Protect the BM refills and the Tx paths when a thread is used on more
887 	 * than a single CPU.
888 	 */
889 	spinlock_t bm_lock[MVPP2_MAX_THREADS];
890 	spinlock_t tx_lock[MVPP2_MAX_THREADS];
891 
892 	/* Flags */
893 	unsigned long flags;
894 
895 	u16 tx_ring_size;
896 	u16 rx_ring_size;
897 	struct mvpp2_pcpu_stats __percpu *stats;
898 	u64 *ethtool_stats;
899 
900 	/* Per-port work and its lock to gather hardware statistics */
901 	struct mutex gather_stats_lock;
902 	struct delayed_work stats_work;
903 
904 	struct device_node *of_node;
905 
906 	phy_interface_t phy_interface;
907 	struct phylink *phylink;
908 	struct phy *comphy;
909 
910 	struct mvpp2_bm_pool *pool_long;
911 	struct mvpp2_bm_pool *pool_short;
912 
913 	/* Index of first port's physical RXQ */
914 	u8 first_rxq;
915 
916 	struct mvpp2_queue_vector qvecs[MVPP2_MAX_QVECS];
917 	unsigned int nqvecs;
918 	bool has_tx_irqs;
919 
920 	u32 tx_time_coal;
921 
922 	/* RSS indirection table */
923 	u32 indir[MVPP22_RSS_TABLE_ENTRIES];
924 
925 	/* List of steering rules active on that port */
926 	struct mvpp2_ethtool_fs *rfs_rules[MVPP2_N_RFS_RULES];
927 	int n_rfs_rules;
928 };
929 
930 /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
931  * layout of the transmit and reception DMA descriptors, and their
932  * layout is therefore defined by the hardware design
933  */
934 
935 #define MVPP2_TXD_L3_OFF_SHIFT		0
936 #define MVPP2_TXD_IP_HLEN_SHIFT		8
937 #define MVPP2_TXD_L4_CSUM_FRAG		BIT(13)
938 #define MVPP2_TXD_L4_CSUM_NOT		BIT(14)
939 #define MVPP2_TXD_IP_CSUM_DISABLE	BIT(15)
940 #define MVPP2_TXD_PADDING_DISABLE	BIT(23)
941 #define MVPP2_TXD_L4_UDP		BIT(24)
942 #define MVPP2_TXD_L3_IP6		BIT(26)
943 #define MVPP2_TXD_L_DESC		BIT(28)
944 #define MVPP2_TXD_F_DESC		BIT(29)
945 
946 #define MVPP2_RXD_ERR_SUMMARY		BIT(15)
947 #define MVPP2_RXD_ERR_CODE_MASK		(BIT(13) | BIT(14))
948 #define MVPP2_RXD_ERR_CRC		0x0
949 #define MVPP2_RXD_ERR_OVERRUN		BIT(13)
950 #define MVPP2_RXD_ERR_RESOURCE		(BIT(13) | BIT(14))
951 #define MVPP2_RXD_BM_POOL_ID_OFFS	16
952 #define MVPP2_RXD_BM_POOL_ID_MASK	(BIT(16) | BIT(17) | BIT(18))
953 #define MVPP2_RXD_HWF_SYNC		BIT(21)
954 #define MVPP2_RXD_L4_CSUM_OK		BIT(22)
955 #define MVPP2_RXD_IP4_HEADER_ERR	BIT(24)
956 #define MVPP2_RXD_L4_TCP		BIT(25)
957 #define MVPP2_RXD_L4_UDP		BIT(26)
958 #define MVPP2_RXD_L3_IP4		BIT(28)
959 #define MVPP2_RXD_L3_IP6		BIT(30)
960 #define MVPP2_RXD_BUF_HDR		BIT(31)
961 
962 /* HW TX descriptor for PPv2.1 */
963 struct mvpp21_tx_desc {
964 	__le32 command;		/* Options used by HW for packet transmitting.*/
965 	u8  packet_offset;	/* the offset from the buffer beginning	*/
966 	u8  phys_txq;		/* destination queue ID			*/
967 	__le16 data_size;	/* data size of transmitted packet in bytes */
968 	__le32 buf_dma_addr;	/* physical addr of transmitted buffer	*/
969 	__le32 buf_cookie;	/* cookie for access to TX buffer in tx path */
970 	__le32 reserved1[3];	/* hw_cmd (for future use, BM, PON, PNC) */
971 	__le32 reserved2;	/* reserved (for future use)		*/
972 };
973 
974 /* HW RX descriptor for PPv2.1 */
975 struct mvpp21_rx_desc {
976 	__le32 status;		/* info about received packet		*/
977 	__le16 reserved1;	/* parser_info (for future use, PnC)	*/
978 	__le16 data_size;	/* size of received packet in bytes	*/
979 	__le32 buf_dma_addr;	/* physical address of the buffer	*/
980 	__le32 buf_cookie;	/* cookie for access to RX buffer in rx path */
981 	__le16 reserved2;	/* gem_port_id (for future use, PON)	*/
982 	__le16 reserved3;	/* csum_l4 (for future use, PnC)	*/
983 	u8  reserved4;		/* bm_qset (for future use, BM)		*/
984 	u8  reserved5;
985 	__le16 reserved6;	/* classify_info (for future use, PnC)	*/
986 	__le32 reserved7;	/* flow_id (for future use, PnC) */
987 	__le32 reserved8;
988 };
989 
990 /* HW TX descriptor for PPv2.2 */
991 struct mvpp22_tx_desc {
992 	__le32 command;
993 	u8  packet_offset;
994 	u8  phys_txq;
995 	__le16 data_size;
996 	__le64 reserved1;
997 	__le64 buf_dma_addr_ptp;
998 	__le64 buf_cookie_misc;
999 };
1000 
1001 /* HW RX descriptor for PPv2.2 */
1002 struct mvpp22_rx_desc {
1003 	__le32 status;
1004 	__le16 reserved1;
1005 	__le16 data_size;
1006 	__le32 reserved2;
1007 	__le32 reserved3;
1008 	__le64 buf_dma_addr_key_hash;
1009 	__le64 buf_cookie_misc;
1010 };
1011 
1012 /* Opaque type used by the driver to manipulate the HW TX and RX
1013  * descriptors
1014  */
1015 struct mvpp2_tx_desc {
1016 	union {
1017 		struct mvpp21_tx_desc pp21;
1018 		struct mvpp22_tx_desc pp22;
1019 	};
1020 };
1021 
1022 struct mvpp2_rx_desc {
1023 	union {
1024 		struct mvpp21_rx_desc pp21;
1025 		struct mvpp22_rx_desc pp22;
1026 	};
1027 };
1028 
1029 struct mvpp2_txq_pcpu_buf {
1030 	/* Transmitted SKB */
1031 	struct sk_buff *skb;
1032 
1033 	/* Physical address of transmitted buffer */
1034 	dma_addr_t dma;
1035 
1036 	/* Size transmitted */
1037 	size_t size;
1038 };
1039 
1040 /* Per-CPU Tx queue control */
1041 struct mvpp2_txq_pcpu {
1042 	unsigned int thread;
1043 
1044 	/* Number of Tx DMA descriptors in the descriptor ring */
1045 	int size;
1046 
1047 	/* Number of currently used Tx DMA descriptor in the
1048 	 * descriptor ring
1049 	 */
1050 	int count;
1051 
1052 	int wake_threshold;
1053 	int stop_threshold;
1054 
1055 	/* Number of Tx DMA descriptors reserved for each CPU */
1056 	int reserved_num;
1057 
1058 	/* Infos about transmitted buffers */
1059 	struct mvpp2_txq_pcpu_buf *buffs;
1060 
1061 	/* Index of last TX DMA descriptor that was inserted */
1062 	int txq_put_index;
1063 
1064 	/* Index of the TX DMA descriptor to be cleaned up */
1065 	int txq_get_index;
1066 
1067 	/* DMA buffer for TSO headers */
1068 	char *tso_headers;
1069 	dma_addr_t tso_headers_dma;
1070 };
1071 
1072 struct mvpp2_tx_queue {
1073 	/* Physical number of this Tx queue */
1074 	u8 id;
1075 
1076 	/* Logical number of this Tx queue */
1077 	u8 log_id;
1078 
1079 	/* Number of Tx DMA descriptors in the descriptor ring */
1080 	int size;
1081 
1082 	/* Number of currently used Tx DMA descriptor in the descriptor ring */
1083 	int count;
1084 
1085 	/* Per-CPU control of physical Tx queues */
1086 	struct mvpp2_txq_pcpu __percpu *pcpu;
1087 
1088 	u32 done_pkts_coal;
1089 
1090 	/* Virtual address of thex Tx DMA descriptors array */
1091 	struct mvpp2_tx_desc *descs;
1092 
1093 	/* DMA address of the Tx DMA descriptors array */
1094 	dma_addr_t descs_dma;
1095 
1096 	/* Index of the last Tx DMA descriptor */
1097 	int last_desc;
1098 
1099 	/* Index of the next Tx DMA descriptor to process */
1100 	int next_desc_to_proc;
1101 };
1102 
1103 struct mvpp2_rx_queue {
1104 	/* RX queue number, in the range 0-31 for physical RXQs */
1105 	u8 id;
1106 
1107 	/* Num of rx descriptors in the rx descriptor ring */
1108 	int size;
1109 
1110 	u32 pkts_coal;
1111 	u32 time_coal;
1112 
1113 	/* Virtual address of the RX DMA descriptors array */
1114 	struct mvpp2_rx_desc *descs;
1115 
1116 	/* DMA address of the RX DMA descriptors array */
1117 	dma_addr_t descs_dma;
1118 
1119 	/* Index of the last RX DMA descriptor */
1120 	int last_desc;
1121 
1122 	/* Index of the next RX DMA descriptor to process */
1123 	int next_desc_to_proc;
1124 
1125 	/* ID of port to which physical RXQ is mapped */
1126 	int port;
1127 
1128 	/* Port's logic RXQ number to which physical RXQ is mapped */
1129 	int logic_rxq;
1130 };
1131 
1132 struct mvpp2_bm_pool {
1133 	/* Pool number in the range 0-7 */
1134 	int id;
1135 
1136 	/* Buffer Pointers Pool External (BPPE) size */
1137 	int size;
1138 	/* BPPE size in bytes */
1139 	int size_bytes;
1140 	/* Number of buffers for this pool */
1141 	int buf_num;
1142 	/* Pool buffer size */
1143 	int buf_size;
1144 	/* Packet size */
1145 	int pkt_size;
1146 	int frag_size;
1147 
1148 	/* BPPE virtual base address */
1149 	u32 *virt_addr;
1150 	/* BPPE DMA base address */
1151 	dma_addr_t dma_addr;
1152 
1153 	/* Ports using BM pool */
1154 	u32 port_map;
1155 };
1156 
1157 #define IS_TSO_HEADER(txq_pcpu, addr) \
1158 	((addr) >= (txq_pcpu)->tso_headers_dma && \
1159 	 (addr) < (txq_pcpu)->tso_headers_dma + \
1160 	 (txq_pcpu)->size * TSO_HEADER_SIZE)
1161 
1162 #define MVPP2_DRIVER_NAME "mvpp2"
1163 #define MVPP2_DRIVER_VERSION "1.0"
1164 
1165 void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data);
1166 u32 mvpp2_read(struct mvpp2 *priv, u32 offset);
1167 
1168 void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name);
1169 
1170 void mvpp2_dbgfs_cleanup(struct mvpp2 *priv);
1171 
1172 #endif
1173