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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/net_tstamp.h>
16 #include <linux/phy.h>
17 #include <linux/phylink.h>
18 #include <net/flow_offload.h>
19 #include <net/page_pool.h>
20 #include <linux/bpf.h>
21 #include <net/xdp.h>
22 
23 /* The PacketOffset field is measured in units of 32 bytes and is 3 bits wide,
24  * so the maximum offset is 7 * 32 = 224
25  */
26 #define MVPP2_SKB_HEADROOM	min(max(XDP_PACKET_HEADROOM, NET_SKB_PAD), 224)
27 
28 #define MVPP2_XDP_PASS		0
29 #define MVPP2_XDP_DROPPED	BIT(0)
30 #define MVPP2_XDP_TX		BIT(1)
31 #define MVPP2_XDP_REDIR		BIT(2)
32 
33 /* Fifo Registers */
34 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port)	(0x00 + 4 * (port))
35 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port)	(0x20 + 4 * (port))
36 #define MVPP2_RX_MIN_PKT_SIZE_REG		0x60
37 #define MVPP2_RX_FIFO_INIT_REG			0x64
38 #define MVPP22_TX_FIFO_THRESH_REG(port)		(0x8840 + 4 * (port))
39 #define MVPP22_TX_FIFO_SIZE_REG(port)		(0x8860 + 4 * (port))
40 
41 /* RX DMA Top Registers */
42 #define MVPP2_RX_CTRL_REG(port)			(0x140 + 4 * (port))
43 #define     MVPP2_RX_LOW_LATENCY_PKT_SIZE(s)	(((s) & 0xfff) << 16)
44 #define     MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK	BIT(31)
45 #define MVPP2_POOL_BUF_SIZE_REG(pool)		(0x180 + 4 * (pool))
46 #define     MVPP2_POOL_BUF_SIZE_OFFSET		5
47 #define MVPP2_RXQ_CONFIG_REG(rxq)		(0x800 + 4 * (rxq))
48 #define     MVPP2_SNOOP_PKT_SIZE_MASK		0x1ff
49 #define     MVPP2_SNOOP_BUF_HDR_MASK		BIT(9)
50 #define     MVPP2_RXQ_POOL_SHORT_OFFS		20
51 #define     MVPP21_RXQ_POOL_SHORT_MASK		0x700000
52 #define     MVPP22_RXQ_POOL_SHORT_MASK		0xf00000
53 #define     MVPP2_RXQ_POOL_LONG_OFFS		24
54 #define     MVPP21_RXQ_POOL_LONG_MASK		0x7000000
55 #define     MVPP22_RXQ_POOL_LONG_MASK		0xf000000
56 #define     MVPP2_RXQ_PACKET_OFFSET_OFFS	28
57 #define     MVPP2_RXQ_PACKET_OFFSET_MASK	0x70000000
58 #define     MVPP2_RXQ_DISABLE_MASK		BIT(31)
59 
60 /* Top Registers */
61 #define MVPP2_MH_REG(port)			(0x5040 + 4 * (port))
62 #define MVPP2_DSA_EXTENDED			BIT(5)
63 #define MVPP2_VER_ID_REG			0x50b0
64 #define MVPP2_VER_PP22				0x10
65 #define MVPP2_VER_PP23				0x11
66 
67 /* Parser Registers */
68 #define MVPP2_PRS_INIT_LOOKUP_REG		0x1000
69 #define     MVPP2_PRS_PORT_LU_MAX		0xf
70 #define     MVPP2_PRS_PORT_LU_MASK(port)	(0xff << ((port) * 4))
71 #define     MVPP2_PRS_PORT_LU_VAL(port, val)	((val) << ((port) * 4))
72 #define MVPP2_PRS_INIT_OFFS_REG(port)		(0x1004 + ((port) & 4))
73 #define     MVPP2_PRS_INIT_OFF_MASK(port)	(0x3f << (((port) % 4) * 8))
74 #define     MVPP2_PRS_INIT_OFF_VAL(port, val)	((val) << (((port) % 4) * 8))
75 #define MVPP2_PRS_MAX_LOOP_REG(port)		(0x100c + ((port) & 4))
76 #define     MVPP2_PRS_MAX_LOOP_MASK(port)	(0xff << (((port) % 4) * 8))
77 #define     MVPP2_PRS_MAX_LOOP_VAL(port, val)	((val) << (((port) % 4) * 8))
78 #define MVPP2_PRS_TCAM_IDX_REG			0x1100
79 #define MVPP2_PRS_TCAM_DATA_REG(idx)		(0x1104 + (idx) * 4)
80 #define     MVPP2_PRS_TCAM_INV_MASK		BIT(31)
81 #define MVPP2_PRS_SRAM_IDX_REG			0x1200
82 #define MVPP2_PRS_SRAM_DATA_REG(idx)		(0x1204 + (idx) * 4)
83 #define MVPP2_PRS_TCAM_CTRL_REG			0x1230
84 #define     MVPP2_PRS_TCAM_EN_MASK		BIT(0)
85 #define MVPP2_PRS_TCAM_HIT_IDX_REG		0x1240
86 #define MVPP2_PRS_TCAM_HIT_CNT_REG		0x1244
87 #define     MVPP2_PRS_TCAM_HIT_CNT_MASK		GENMASK(15, 0)
88 
89 /* RSS Registers */
90 #define MVPP22_RSS_INDEX			0x1500
91 #define     MVPP22_RSS_INDEX_TABLE_ENTRY(idx)	(idx)
92 #define     MVPP22_RSS_INDEX_TABLE(idx)		((idx) << 8)
93 #define     MVPP22_RSS_INDEX_QUEUE(idx)		((idx) << 16)
94 #define MVPP22_RXQ2RSS_TABLE			0x1504
95 #define     MVPP22_RSS_TABLE_POINTER(p)		(p)
96 #define MVPP22_RSS_TABLE_ENTRY			0x1508
97 #define MVPP22_RSS_WIDTH			0x150c
98 
99 /* Classifier Registers */
100 #define MVPP2_CLS_MODE_REG			0x1800
101 #define     MVPP2_CLS_MODE_ACTIVE_MASK		BIT(0)
102 #define MVPP2_CLS_PORT_WAY_REG			0x1810
103 #define     MVPP2_CLS_PORT_WAY_MASK(port)	(1 << (port))
104 #define MVPP2_CLS_LKP_INDEX_REG			0x1814
105 #define     MVPP2_CLS_LKP_INDEX_WAY_OFFS	6
106 #define MVPP2_CLS_LKP_TBL_REG			0x1818
107 #define     MVPP2_CLS_LKP_TBL_RXQ_MASK		0xff
108 #define     MVPP2_CLS_LKP_FLOW_PTR(flow)	((flow) << 16)
109 #define     MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK	BIT(25)
110 #define MVPP2_CLS_FLOW_INDEX_REG		0x1820
111 #define MVPP2_CLS_FLOW_TBL0_REG			0x1824
112 #define     MVPP2_CLS_FLOW_TBL0_LAST		BIT(0)
113 #define     MVPP2_CLS_FLOW_TBL0_ENG_MASK	0x7
114 #define     MVPP2_CLS_FLOW_TBL0_OFFS		1
115 #define     MVPP2_CLS_FLOW_TBL0_ENG(x)		((x) << 1)
116 #define     MVPP2_CLS_FLOW_TBL0_PORT_ID_MASK	0xff
117 #define     MVPP2_CLS_FLOW_TBL0_PORT_ID(port)	((port) << 4)
118 #define     MVPP2_CLS_FLOW_TBL0_PORT_ID_SEL	BIT(23)
119 #define MVPP2_CLS_FLOW_TBL1_REG			0x1828
120 #define     MVPP2_CLS_FLOW_TBL1_N_FIELDS_MASK	0x7
121 #define     MVPP2_CLS_FLOW_TBL1_N_FIELDS(x)	(x)
122 #define     MVPP2_CLS_FLOW_TBL1_LU_TYPE(lu)	(((lu) & 0x3f) << 3)
123 #define     MVPP2_CLS_FLOW_TBL1_PRIO_MASK	0x3f
124 #define     MVPP2_CLS_FLOW_TBL1_PRIO(x)		((x) << 9)
125 #define     MVPP2_CLS_FLOW_TBL1_SEQ_MASK	0x7
126 #define     MVPP2_CLS_FLOW_TBL1_SEQ(x)		((x) << 15)
127 #define MVPP2_CLS_FLOW_TBL2_REG			0x182c
128 #define     MVPP2_CLS_FLOW_TBL2_FLD_MASK	0x3f
129 #define     MVPP2_CLS_FLOW_TBL2_FLD_OFFS(n)	((n) * 6)
130 #define     MVPP2_CLS_FLOW_TBL2_FLD(n, x)	((x) << ((n) * 6))
131 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port)	(0x1980 + ((port) * 4))
132 #define     MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS	3
133 #define     MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK	0x7
134 #define MVPP2_CLS_SWFWD_P2HQ_REG(port)		(0x19b0 + ((port) * 4))
135 #define MVPP2_CLS_SWFWD_PCTRL_REG		0x19d0
136 #define     MVPP2_CLS_SWFWD_PCTRL_MASK(port)	(1 << (port))
137 
138 /* Classifier C2 engine Registers */
139 #define MVPP22_CLS_C2_TCAM_IDX			0x1b00
140 #define MVPP22_CLS_C2_TCAM_DATA0		0x1b10
141 #define MVPP22_CLS_C2_TCAM_DATA1		0x1b14
142 #define MVPP22_CLS_C2_TCAM_DATA2		0x1b18
143 #define MVPP22_CLS_C2_TCAM_DATA3		0x1b1c
144 #define MVPP22_CLS_C2_TCAM_DATA4		0x1b20
145 #define     MVPP22_CLS_C2_LU_TYPE(lu)		((lu) & 0x3f)
146 #define     MVPP22_CLS_C2_PORT_ID(port)		((port) << 8)
147 #define     MVPP22_CLS_C2_PORT_MASK		(0xff << 8)
148 #define MVPP22_CLS_C2_TCAM_INV			0x1b24
149 #define     MVPP22_CLS_C2_TCAM_INV_BIT		BIT(31)
150 #define MVPP22_CLS_C2_HIT_CTR			0x1b50
151 #define MVPP22_CLS_C2_ACT			0x1b60
152 #define     MVPP22_CLS_C2_ACT_RSS_EN(act)	(((act) & 0x3) << 19)
153 #define     MVPP22_CLS_C2_ACT_FWD(act)		(((act) & 0x7) << 13)
154 #define     MVPP22_CLS_C2_ACT_QHIGH(act)	(((act) & 0x3) << 11)
155 #define     MVPP22_CLS_C2_ACT_QLOW(act)		(((act) & 0x3) << 9)
156 #define     MVPP22_CLS_C2_ACT_COLOR(act)	((act) & 0x7)
157 #define MVPP22_CLS_C2_ATTR0			0x1b64
158 #define     MVPP22_CLS_C2_ATTR0_QHIGH(qh)	(((qh) & 0x1f) << 24)
159 #define     MVPP22_CLS_C2_ATTR0_QHIGH_MASK	0x1f
160 #define     MVPP22_CLS_C2_ATTR0_QHIGH_OFFS	24
161 #define     MVPP22_CLS_C2_ATTR0_QLOW(ql)	(((ql) & 0x7) << 21)
162 #define     MVPP22_CLS_C2_ATTR0_QLOW_MASK	0x7
163 #define     MVPP22_CLS_C2_ATTR0_QLOW_OFFS	21
164 #define MVPP22_CLS_C2_ATTR1			0x1b68
165 #define MVPP22_CLS_C2_ATTR2			0x1b6c
166 #define     MVPP22_CLS_C2_ATTR2_RSS_EN		BIT(30)
167 #define MVPP22_CLS_C2_ATTR3			0x1b70
168 #define MVPP22_CLS_C2_TCAM_CTRL			0x1b90
169 #define     MVPP22_CLS_C2_TCAM_BYPASS_FIFO	BIT(0)
170 
171 /* Descriptor Manager Top Registers */
172 #define MVPP2_RXQ_NUM_REG			0x2040
173 #define MVPP2_RXQ_DESC_ADDR_REG			0x2044
174 #define     MVPP22_DESC_ADDR_OFFS		8
175 #define MVPP2_RXQ_DESC_SIZE_REG			0x2048
176 #define     MVPP2_RXQ_DESC_SIZE_MASK		0x3ff0
177 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq)	(0x3000 + 4 * (rxq))
178 #define     MVPP2_RXQ_NUM_PROCESSED_OFFSET	0
179 #define     MVPP2_RXQ_NUM_NEW_OFFSET		16
180 #define MVPP2_RXQ_STATUS_REG(rxq)		(0x3400 + 4 * (rxq))
181 #define     MVPP2_RXQ_OCCUPIED_MASK		0x3fff
182 #define     MVPP2_RXQ_NON_OCCUPIED_OFFSET	16
183 #define     MVPP2_RXQ_NON_OCCUPIED_MASK		0x3fff0000
184 #define MVPP2_RXQ_THRESH_REG			0x204c
185 #define     MVPP2_OCCUPIED_THRESH_OFFSET	0
186 #define     MVPP2_OCCUPIED_THRESH_MASK		0x3fff
187 #define MVPP2_RXQ_INDEX_REG			0x2050
188 #define MVPP2_TXQ_NUM_REG			0x2080
189 #define MVPP2_TXQ_DESC_ADDR_REG			0x2084
190 #define MVPP2_TXQ_DESC_SIZE_REG			0x2088
191 #define     MVPP2_TXQ_DESC_SIZE_MASK		0x3ff0
192 #define MVPP2_TXQ_THRESH_REG			0x2094
193 #define	    MVPP2_TXQ_THRESH_OFFSET		16
194 #define	    MVPP2_TXQ_THRESH_MASK		0x3fff
195 #define MVPP2_AGGR_TXQ_UPDATE_REG		0x2090
196 #define MVPP2_TXQ_INDEX_REG			0x2098
197 #define MVPP2_TXQ_PREF_BUF_REG			0x209c
198 #define     MVPP2_PREF_BUF_PTR(desc)		((desc) & 0xfff)
199 #define     MVPP2_PREF_BUF_SIZE_4		(BIT(12) | BIT(13))
200 #define     MVPP2_PREF_BUF_SIZE_16		(BIT(12) | BIT(14))
201 #define     MVPP2_PREF_BUF_THRESH(val)		((val) << 17)
202 #define     MVPP2_TXQ_DRAIN_EN_MASK		BIT(31)
203 #define MVPP2_TXQ_PENDING_REG			0x20a0
204 #define     MVPP2_TXQ_PENDING_MASK		0x3fff
205 #define MVPP2_TXQ_INT_STATUS_REG		0x20a4
206 #define MVPP2_TXQ_SENT_REG(txq)			(0x3c00 + 4 * (txq))
207 #define     MVPP2_TRANSMITTED_COUNT_OFFSET	16
208 #define     MVPP2_TRANSMITTED_COUNT_MASK	0x3fff0000
209 #define MVPP2_TXQ_RSVD_REQ_REG			0x20b0
210 #define     MVPP2_TXQ_RSVD_REQ_Q_OFFSET		16
211 #define MVPP2_TXQ_RSVD_RSLT_REG			0x20b4
212 #define     MVPP2_TXQ_RSVD_RSLT_MASK		0x3fff
213 #define MVPP2_TXQ_RSVD_CLR_REG			0x20b8
214 #define     MVPP2_TXQ_RSVD_CLR_OFFSET		16
215 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu)	(0x2100 + 4 * (cpu))
216 #define     MVPP22_AGGR_TXQ_DESC_ADDR_OFFS	8
217 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu)	(0x2140 + 4 * (cpu))
218 #define     MVPP2_AGGR_TXQ_DESC_SIZE_MASK	0x3ff0
219 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu)		(0x2180 + 4 * (cpu))
220 #define     MVPP2_AGGR_TXQ_PENDING_MASK		0x3fff
221 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu)		(0x21c0 + 4 * (cpu))
222 
223 /* MBUS bridge registers */
224 #define MVPP2_WIN_BASE(w)			(0x4000 + ((w) << 2))
225 #define MVPP2_WIN_SIZE(w)			(0x4020 + ((w) << 2))
226 #define MVPP2_WIN_REMAP(w)			(0x4040 + ((w) << 2))
227 #define MVPP2_BASE_ADDR_ENABLE			0x4060
228 
229 /* AXI Bridge Registers */
230 #define MVPP22_AXI_BM_WR_ATTR_REG		0x4100
231 #define MVPP22_AXI_BM_RD_ATTR_REG		0x4104
232 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG	0x4110
233 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG	0x4114
234 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG	0x4118
235 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG	0x411c
236 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG		0x4120
237 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG		0x4130
238 #define MVPP22_AXI_RD_NORMAL_CODE_REG		0x4150
239 #define MVPP22_AXI_RD_SNOOP_CODE_REG		0x4154
240 #define MVPP22_AXI_WR_NORMAL_CODE_REG		0x4160
241 #define MVPP22_AXI_WR_SNOOP_CODE_REG		0x4164
242 
243 /* Values for AXI Bridge registers */
244 #define MVPP22_AXI_ATTR_CACHE_OFFS		0
245 #define MVPP22_AXI_ATTR_DOMAIN_OFFS		12
246 
247 #define MVPP22_AXI_CODE_CACHE_OFFS		0
248 #define MVPP22_AXI_CODE_DOMAIN_OFFS		4
249 
250 #define MVPP22_AXI_CODE_CACHE_NON_CACHE		0x3
251 #define MVPP22_AXI_CODE_CACHE_WR_CACHE		0x7
252 #define MVPP22_AXI_CODE_CACHE_RD_CACHE		0xb
253 
254 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM	2
255 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM		3
256 
257 /* Interrupt Cause and Mask registers */
258 #define MVPP2_ISR_TX_THRESHOLD_REG(port)	(0x5140 + 4 * (port))
259 #define     MVPP2_MAX_ISR_TX_THRESHOLD		0xfffff0
260 
261 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq)		(0x5200 + 4 * (rxq))
262 #define     MVPP2_MAX_ISR_RX_THRESHOLD		0xfffff0
263 #define MVPP21_ISR_RXQ_GROUP_REG(port)		(0x5400 + 4 * (port))
264 
265 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG		0x5400
266 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
267 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK	0x380
268 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET	7
269 
270 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
271 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK	0x380
272 
273 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG	0x5404
274 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK	0x1f
275 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK	0xf00
276 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET	8
277 
278 #define MVPP2_ISR_ENABLE_REG(port)		(0x5420 + 4 * (port))
279 #define     MVPP2_ISR_ENABLE_INTERRUPT(mask)	((mask) & 0xffff)
280 #define     MVPP2_ISR_DISABLE_INTERRUPT(mask)	(((mask) << 16) & 0xffff0000)
281 #define MVPP2_ISR_RX_TX_CAUSE_REG(port)		(0x5480 + 4 * (port))
282 #define     MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK(version) \
283 					((version) == MVPP21 ? 0xffff : 0xff)
284 #define     MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK	0xff0000
285 #define     MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_OFFSET	16
286 #define     MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK	BIT(24)
287 #define     MVPP2_CAUSE_FCS_ERR_MASK		BIT(25)
288 #define     MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK	BIT(26)
289 #define     MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK	BIT(29)
290 #define     MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK	BIT(30)
291 #define     MVPP2_CAUSE_MISC_SUM_MASK		BIT(31)
292 #define MVPP2_ISR_RX_TX_MASK_REG(port)		(0x54a0 + 4 * (port))
293 #define MVPP2_ISR_PON_RX_TX_MASK_REG		0x54bc
294 #define     MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK	0xffff
295 #define     MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK	0x3fc00000
296 #define     MVPP2_PON_CAUSE_MISC_SUM_MASK		BIT(31)
297 #define MVPP2_ISR_MISC_CAUSE_REG		0x55b0
298 #define MVPP2_ISR_RX_ERR_CAUSE_REG(port)	(0x5520 + 4 * (port))
299 #define     MVPP2_ISR_RX_ERR_CAUSE_NONOCC_MASK	0x00ff
300 
301 /* Buffer Manager registers */
302 #define MVPP2_BM_POOL_BASE_REG(pool)		(0x6000 + ((pool) * 4))
303 #define     MVPP2_BM_POOL_BASE_ADDR_MASK	0xfffff80
304 #define MVPP2_BM_POOL_SIZE_REG(pool)		(0x6040 + ((pool) * 4))
305 #define     MVPP2_BM_POOL_SIZE_MASK		0xfff0
306 #define MVPP2_BM_POOL_READ_PTR_REG(pool)	(0x6080 + ((pool) * 4))
307 #define     MVPP2_BM_POOL_GET_READ_PTR_MASK	0xfff0
308 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool)	(0x60c0 + ((pool) * 4))
309 #define     MVPP2_BM_POOL_PTRS_NUM_MASK		0xfff0
310 #define MVPP2_BM_BPPI_READ_PTR_REG(pool)	(0x6100 + ((pool) * 4))
311 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool)	(0x6140 + ((pool) * 4))
312 #define     MVPP2_BM_BPPI_PTR_NUM_MASK		0x7ff
313 #define MVPP22_BM_POOL_PTRS_NUM_MASK		0xfff8
314 #define     MVPP2_BM_BPPI_PREFETCH_FULL_MASK	BIT(16)
315 #define MVPP2_BM_POOL_CTRL_REG(pool)		(0x6200 + ((pool) * 4))
316 #define     MVPP2_BM_START_MASK			BIT(0)
317 #define     MVPP2_BM_STOP_MASK			BIT(1)
318 #define     MVPP2_BM_STATE_MASK			BIT(4)
319 #define     MVPP2_BM_LOW_THRESH_OFFS		8
320 #define     MVPP2_BM_LOW_THRESH_MASK		0x7f00
321 #define     MVPP2_BM_LOW_THRESH_VALUE(val)	((val) << \
322 						MVPP2_BM_LOW_THRESH_OFFS)
323 #define     MVPP2_BM_HIGH_THRESH_OFFS		16
324 #define     MVPP2_BM_HIGH_THRESH_MASK		0x7f0000
325 #define     MVPP2_BM_HIGH_THRESH_VALUE(val)	((val) << \
326 						MVPP2_BM_HIGH_THRESH_OFFS)
327 #define     MVPP2_BM_BPPI_HIGH_THRESH		0x1E
328 #define     MVPP2_BM_BPPI_LOW_THRESH		0x1C
329 #define     MVPP23_BM_BPPI_HIGH_THRESH		0x34
330 #define     MVPP23_BM_BPPI_LOW_THRESH		0x28
331 #define MVPP2_BM_INTR_CAUSE_REG(pool)		(0x6240 + ((pool) * 4))
332 #define     MVPP2_BM_RELEASED_DELAY_MASK	BIT(0)
333 #define     MVPP2_BM_ALLOC_FAILED_MASK		BIT(1)
334 #define     MVPP2_BM_BPPE_EMPTY_MASK		BIT(2)
335 #define     MVPP2_BM_BPPE_FULL_MASK		BIT(3)
336 #define     MVPP2_BM_AVAILABLE_BP_LOW_MASK	BIT(4)
337 #define MVPP2_BM_INTR_MASK_REG(pool)		(0x6280 + ((pool) * 4))
338 #define MVPP2_BM_PHY_ALLOC_REG(pool)		(0x6400 + ((pool) * 4))
339 #define     MVPP2_BM_PHY_ALLOC_GRNTD_MASK	BIT(0)
340 #define MVPP2_BM_VIRT_ALLOC_REG			0x6440
341 #define MVPP22_BM_ADDR_HIGH_ALLOC		0x6444
342 #define     MVPP22_BM_ADDR_HIGH_PHYS_MASK	0xff
343 #define     MVPP22_BM_ADDR_HIGH_VIRT_MASK	0xff00
344 #define     MVPP22_BM_ADDR_HIGH_VIRT_SHIFT	8
345 #define MVPP2_BM_PHY_RLS_REG(pool)		(0x6480 + ((pool) * 4))
346 #define     MVPP2_BM_PHY_RLS_MC_BUFF_MASK	BIT(0)
347 #define     MVPP2_BM_PHY_RLS_PRIO_EN_MASK	BIT(1)
348 #define     MVPP2_BM_PHY_RLS_GRNTD_MASK		BIT(2)
349 #define MVPP2_BM_VIRT_RLS_REG			0x64c0
350 #define MVPP22_BM_ADDR_HIGH_RLS_REG		0x64c4
351 #define     MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK	0xff
352 #define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK	0xff00
353 #define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT	8
354 
355 /* Packet Processor per-port counters */
356 #define MVPP2_OVERRUN_ETH_DROP			0x7000
357 #define MVPP2_CLS_ETH_DROP			0x7020
358 
359 #define MVPP22_BM_POOL_BASE_ADDR_HIGH_REG	0x6310
360 #define     MVPP22_BM_POOL_BASE_ADDR_HIGH_MASK	0xff
361 #define     MVPP23_BM_8POOL_MODE		BIT(8)
362 
363 /* Hit counters registers */
364 #define MVPP2_CTRS_IDX				0x7040
365 #define     MVPP22_CTRS_TX_CTR(port, txq)	((txq) | ((port) << 3) | BIT(7))
366 #define MVPP2_TX_DESC_ENQ_CTR			0x7100
367 #define MVPP2_TX_DESC_ENQ_TO_DDR_CTR		0x7104
368 #define MVPP2_TX_BUFF_ENQ_TO_DDR_CTR		0x7108
369 #define MVPP2_TX_DESC_ENQ_HW_FWD_CTR		0x710c
370 #define MVPP2_RX_DESC_ENQ_CTR			0x7120
371 #define MVPP2_TX_PKTS_DEQ_CTR			0x7130
372 #define MVPP2_TX_PKTS_FULL_QUEUE_DROP_CTR	0x7200
373 #define MVPP2_TX_PKTS_EARLY_DROP_CTR		0x7204
374 #define MVPP2_TX_PKTS_BM_DROP_CTR		0x7208
375 #define MVPP2_TX_PKTS_BM_MC_DROP_CTR		0x720c
376 #define MVPP2_RX_PKTS_FULL_QUEUE_DROP_CTR	0x7220
377 #define MVPP2_RX_PKTS_EARLY_DROP_CTR		0x7224
378 #define MVPP2_RX_PKTS_BM_DROP_CTR		0x7228
379 #define MVPP2_CLS_DEC_TBL_HIT_CTR		0x7700
380 #define MVPP2_CLS_FLOW_TBL_HIT_CTR		0x7704
381 
382 /* TX Scheduler registers */
383 #define MVPP2_TXP_SCHED_PORT_INDEX_REG		0x8000
384 #define MVPP2_TXP_SCHED_Q_CMD_REG		0x8004
385 #define     MVPP2_TXP_SCHED_ENQ_MASK		0xff
386 #define     MVPP2_TXP_SCHED_DISQ_OFFSET		8
387 #define MVPP2_TXP_SCHED_CMD_1_REG		0x8010
388 #define MVPP2_TXP_SCHED_FIXED_PRIO_REG		0x8014
389 #define MVPP2_TXP_SCHED_PERIOD_REG		0x8018
390 #define MVPP2_TXP_SCHED_MTU_REG			0x801c
391 #define     MVPP2_TXP_MTU_MAX			0x7FFFF
392 #define MVPP2_TXP_SCHED_REFILL_REG		0x8020
393 #define     MVPP2_TXP_REFILL_TOKENS_ALL_MASK	0x7ffff
394 #define     MVPP2_TXP_REFILL_PERIOD_ALL_MASK	0x3ff00000
395 #define     MVPP2_TXP_REFILL_PERIOD_MASK(v)	((v) << 20)
396 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG		0x8024
397 #define     MVPP2_TXP_TOKEN_SIZE_MAX		0xffffffff
398 #define MVPP2_TXQ_SCHED_REFILL_REG(q)		(0x8040 + ((q) << 2))
399 #define     MVPP2_TXQ_REFILL_TOKENS_ALL_MASK	0x7ffff
400 #define     MVPP2_TXQ_REFILL_PERIOD_ALL_MASK	0x3ff00000
401 #define     MVPP2_TXQ_REFILL_PERIOD_MASK(v)	((v) << 20)
402 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q)	(0x8060 + ((q) << 2))
403 #define     MVPP2_TXQ_TOKEN_SIZE_MAX		0x7fffffff
404 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q)	(0x8080 + ((q) << 2))
405 #define     MVPP2_TXQ_TOKEN_CNTR_MAX		0xffffffff
406 
407 /* TX general registers */
408 #define MVPP2_TX_SNOOP_REG			0x8800
409 #define MVPP2_TX_PORT_FLUSH_REG			0x8810
410 #define     MVPP2_TX_PORT_FLUSH_MASK(port)	(1 << (port))
411 
412 /* LMS registers */
413 #define MVPP2_SRC_ADDR_MIDDLE			0x24
414 #define MVPP2_SRC_ADDR_HIGH			0x28
415 #define MVPP2_PHY_AN_CFG0_REG			0x34
416 #define     MVPP2_PHY_AN_STOP_SMI0_MASK		BIT(7)
417 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG	0x305c
418 #define     MVPP2_EXT_GLOBAL_CTRL_DEFAULT	0x27
419 
420 /* Per-port registers */
421 #define MVPP2_GMAC_CTRL_0_REG			0x0
422 #define     MVPP2_GMAC_PORT_EN_MASK		BIT(0)
423 #define     MVPP2_GMAC_PORT_TYPE_MASK		BIT(1)
424 #define     MVPP2_GMAC_MAX_RX_SIZE_OFFS		2
425 #define     MVPP2_GMAC_MAX_RX_SIZE_MASK		0x7ffc
426 #define     MVPP2_GMAC_MIB_CNTR_EN_MASK		BIT(15)
427 #define MVPP2_GMAC_CTRL_1_REG			0x4
428 #define     MVPP2_GMAC_PERIODIC_XON_EN_MASK	BIT(1)
429 #define     MVPP2_GMAC_GMII_LB_EN_MASK		BIT(5)
430 #define     MVPP2_GMAC_PCS_LB_EN_BIT		6
431 #define     MVPP2_GMAC_PCS_LB_EN_MASK		BIT(6)
432 #define     MVPP2_GMAC_SA_LOW_OFFS		7
433 #define MVPP2_GMAC_CTRL_2_REG			0x8
434 #define     MVPP2_GMAC_INBAND_AN_MASK		BIT(0)
435 #define     MVPP2_GMAC_FLOW_CTRL_MASK		GENMASK(2, 1)
436 #define     MVPP2_GMAC_PCS_ENABLE_MASK		BIT(3)
437 #define     MVPP2_GMAC_INTERNAL_CLK_MASK	BIT(4)
438 #define     MVPP2_GMAC_DISABLE_PADDING		BIT(5)
439 #define     MVPP2_GMAC_PORT_RESET_MASK		BIT(6)
440 #define MVPP2_GMAC_AUTONEG_CONFIG		0xc
441 #define     MVPP2_GMAC_FORCE_LINK_DOWN		BIT(0)
442 #define     MVPP2_GMAC_FORCE_LINK_PASS		BIT(1)
443 #define     MVPP2_GMAC_IN_BAND_AUTONEG		BIT(2)
444 #define     MVPP2_GMAC_IN_BAND_AUTONEG_BYPASS	BIT(3)
445 #define     MVPP2_GMAC_IN_BAND_RESTART_AN	BIT(4)
446 #define     MVPP2_GMAC_CONFIG_MII_SPEED		BIT(5)
447 #define     MVPP2_GMAC_CONFIG_GMII_SPEED	BIT(6)
448 #define     MVPP2_GMAC_AN_SPEED_EN		BIT(7)
449 #define     MVPP2_GMAC_FC_ADV_EN		BIT(9)
450 #define     MVPP2_GMAC_FC_ADV_ASM_EN		BIT(10)
451 #define     MVPP2_GMAC_FLOW_CTRL_AUTONEG	BIT(11)
452 #define     MVPP2_GMAC_CONFIG_FULL_DUPLEX	BIT(12)
453 #define     MVPP2_GMAC_AN_DUPLEX_EN		BIT(13)
454 #define MVPP2_GMAC_STATUS0			0x10
455 #define     MVPP2_GMAC_STATUS0_LINK_UP		BIT(0)
456 #define     MVPP2_GMAC_STATUS0_GMII_SPEED	BIT(1)
457 #define     MVPP2_GMAC_STATUS0_MII_SPEED	BIT(2)
458 #define     MVPP2_GMAC_STATUS0_FULL_DUPLEX	BIT(3)
459 #define     MVPP2_GMAC_STATUS0_RX_PAUSE		BIT(4)
460 #define     MVPP2_GMAC_STATUS0_TX_PAUSE		BIT(5)
461 #define     MVPP2_GMAC_STATUS0_AN_COMPLETE	BIT(11)
462 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG		0x1c
463 #define     MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS	6
464 #define     MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK	0x1fc0
465 #define     MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v)	(((v) << 6) & \
466 					MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
467 #define MVPP22_GMAC_INT_STAT			0x20
468 #define     MVPP22_GMAC_INT_STAT_LINK		BIT(1)
469 #define MVPP22_GMAC_INT_MASK			0x24
470 #define     MVPP22_GMAC_INT_MASK_LINK_STAT	BIT(1)
471 #define MVPP22_GMAC_CTRL_4_REG			0x90
472 #define     MVPP22_CTRL4_EXT_PIN_GMII_SEL	BIT(0)
473 #define     MVPP22_CTRL4_RX_FC_EN		BIT(3)
474 #define     MVPP22_CTRL4_TX_FC_EN		BIT(4)
475 #define     MVPP22_CTRL4_DP_CLK_SEL		BIT(5)
476 #define     MVPP22_CTRL4_SYNC_BYPASS_DIS	BIT(6)
477 #define     MVPP22_CTRL4_QSGMII_BYPASS_ACTIVE	BIT(7)
478 #define MVPP22_GMAC_INT_SUM_STAT		0xa0
479 #define	    MVPP22_GMAC_INT_SUM_STAT_INTERNAL	BIT(1)
480 #define	    MVPP22_GMAC_INT_SUM_STAT_PTP	BIT(2)
481 #define MVPP22_GMAC_INT_SUM_MASK		0xa4
482 #define     MVPP22_GMAC_INT_SUM_MASK_LINK_STAT	BIT(1)
483 #define	    MVPP22_GMAC_INT_SUM_MASK_PTP	BIT(2)
484 
485 /* Per-port XGMAC registers. PPv2.2 and PPv2.3, only for GOP port 0,
486  * relative to port->base.
487  */
488 #define MVPP22_XLG_CTRL0_REG			0x100
489 #define     MVPP22_XLG_CTRL0_PORT_EN		BIT(0)
490 #define     MVPP22_XLG_CTRL0_MAC_RESET_DIS	BIT(1)
491 #define     MVPP22_XLG_CTRL0_FORCE_LINK_DOWN	BIT(2)
492 #define     MVPP22_XLG_CTRL0_FORCE_LINK_PASS	BIT(3)
493 #define     MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN	BIT(7)
494 #define     MVPP22_XLG_CTRL0_TX_FLOW_CTRL_EN	BIT(8)
495 #define     MVPP22_XLG_CTRL0_MIB_CNT_DIS	BIT(14)
496 #define MVPP22_XLG_CTRL1_REG			0x104
497 #define     MVPP22_XLG_CTRL1_FRAMESIZELIMIT_OFFS	0
498 #define     MVPP22_XLG_CTRL1_FRAMESIZELIMIT_MASK	0x1fff
499 #define MVPP22_XLG_STATUS			0x10c
500 #define     MVPP22_XLG_STATUS_LINK_UP		BIT(0)
501 #define MVPP22_XLG_INT_STAT			0x114
502 #define     MVPP22_XLG_INT_STAT_LINK		BIT(1)
503 #define MVPP22_XLG_INT_MASK			0x118
504 #define     MVPP22_XLG_INT_MASK_LINK		BIT(1)
505 #define MVPP22_XLG_CTRL3_REG			0x11c
506 #define     MVPP22_XLG_CTRL3_MACMODESELECT_MASK	(7 << 13)
507 #define     MVPP22_XLG_CTRL3_MACMODESELECT_GMAC	(0 << 13)
508 #define     MVPP22_XLG_CTRL3_MACMODESELECT_10G	(1 << 13)
509 #define MVPP22_XLG_EXT_INT_STAT			0x158
510 #define     MVPP22_XLG_EXT_INT_STAT_XLG		BIT(1)
511 #define     MVPP22_XLG_EXT_INT_STAT_PTP		BIT(7)
512 #define MVPP22_XLG_EXT_INT_MASK			0x15c
513 #define     MVPP22_XLG_EXT_INT_MASK_XLG		BIT(1)
514 #define     MVPP22_XLG_EXT_INT_MASK_GIG		BIT(2)
515 #define     MVPP22_XLG_EXT_INT_MASK_PTP		BIT(7)
516 #define MVPP22_XLG_CTRL4_REG			0x184
517 #define     MVPP22_XLG_CTRL4_FWD_FC		BIT(5)
518 #define     MVPP22_XLG_CTRL4_FWD_PFC		BIT(6)
519 #define     MVPP22_XLG_CTRL4_MACMODSELECT_GMAC	BIT(12)
520 #define     MVPP22_XLG_CTRL4_EN_IDLE_CHECK	BIT(14)
521 
522 /* SMI registers. PPv2.2 and PPv2.3, relative to priv->iface_base. */
523 #define MVPP22_SMI_MISC_CFG_REG			0x1204
524 #define     MVPP22_SMI_POLLING_EN		BIT(10)
525 
526 /* TAI registers, PPv2.2 only, relative to priv->iface_base */
527 #define MVPP22_TAI_INT_CAUSE			0x1400
528 #define MVPP22_TAI_INT_MASK			0x1404
529 #define MVPP22_TAI_CR0				0x1408
530 #define MVPP22_TAI_CR1				0x140c
531 #define MVPP22_TAI_TCFCR0			0x1410
532 #define MVPP22_TAI_TCFCR1			0x1414
533 #define MVPP22_TAI_TCFCR2			0x1418
534 #define MVPP22_TAI_FATWR			0x141c
535 #define MVPP22_TAI_TOD_STEP_NANO_CR		0x1420
536 #define MVPP22_TAI_TOD_STEP_FRAC_HIGH		0x1424
537 #define MVPP22_TAI_TOD_STEP_FRAC_LOW		0x1428
538 #define MVPP22_TAI_TAPDC_HIGH			0x142c
539 #define MVPP22_TAI_TAPDC_LOW			0x1430
540 #define MVPP22_TAI_TGTOD_SEC_HIGH		0x1434
541 #define MVPP22_TAI_TGTOD_SEC_MED		0x1438
542 #define MVPP22_TAI_TGTOD_SEC_LOW		0x143c
543 #define MVPP22_TAI_TGTOD_NANO_HIGH		0x1440
544 #define MVPP22_TAI_TGTOD_NANO_LOW		0x1444
545 #define MVPP22_TAI_TGTOD_FRAC_HIGH		0x1448
546 #define MVPP22_TAI_TGTOD_FRAC_LOW		0x144c
547 #define MVPP22_TAI_TLV_SEC_HIGH			0x1450
548 #define MVPP22_TAI_TLV_SEC_MED			0x1454
549 #define MVPP22_TAI_TLV_SEC_LOW			0x1458
550 #define MVPP22_TAI_TLV_NANO_HIGH		0x145c
551 #define MVPP22_TAI_TLV_NANO_LOW			0x1460
552 #define MVPP22_TAI_TLV_FRAC_HIGH		0x1464
553 #define MVPP22_TAI_TLV_FRAC_LOW			0x1468
554 #define MVPP22_TAI_TCV0_SEC_HIGH		0x146c
555 #define MVPP22_TAI_TCV0_SEC_MED			0x1470
556 #define MVPP22_TAI_TCV0_SEC_LOW			0x1474
557 #define MVPP22_TAI_TCV0_NANO_HIGH		0x1478
558 #define MVPP22_TAI_TCV0_NANO_LOW		0x147c
559 #define MVPP22_TAI_TCV0_FRAC_HIGH		0x1480
560 #define MVPP22_TAI_TCV0_FRAC_LOW		0x1484
561 #define MVPP22_TAI_TCV1_SEC_HIGH		0x1488
562 #define MVPP22_TAI_TCV1_SEC_MED			0x148c
563 #define MVPP22_TAI_TCV1_SEC_LOW			0x1490
564 #define MVPP22_TAI_TCV1_NANO_HIGH		0x1494
565 #define MVPP22_TAI_TCV1_NANO_LOW		0x1498
566 #define MVPP22_TAI_TCV1_FRAC_HIGH		0x149c
567 #define MVPP22_TAI_TCV1_FRAC_LOW		0x14a0
568 #define MVPP22_TAI_TCSR				0x14a4
569 #define MVPP22_TAI_TUC_LSB			0x14a8
570 #define MVPP22_TAI_GFM_SEC_HIGH			0x14ac
571 #define MVPP22_TAI_GFM_SEC_MED			0x14b0
572 #define MVPP22_TAI_GFM_SEC_LOW			0x14b4
573 #define MVPP22_TAI_GFM_NANO_HIGH		0x14b8
574 #define MVPP22_TAI_GFM_NANO_LOW			0x14bc
575 #define MVPP22_TAI_GFM_FRAC_HIGH		0x14c0
576 #define MVPP22_TAI_GFM_FRAC_LOW			0x14c4
577 #define MVPP22_TAI_PCLK_DA_HIGH			0x14c8
578 #define MVPP22_TAI_PCLK_DA_LOW			0x14cc
579 #define MVPP22_TAI_CTCR				0x14d0
580 #define MVPP22_TAI_PCLK_CCC_HIGH		0x14d4
581 #define MVPP22_TAI_PCLK_CCC_LOW			0x14d8
582 #define MVPP22_TAI_DTC_HIGH			0x14dc
583 #define MVPP22_TAI_DTC_LOW			0x14e0
584 #define MVPP22_TAI_CCC_HIGH			0x14e4
585 #define MVPP22_TAI_CCC_LOW			0x14e8
586 #define MVPP22_TAI_ICICE			0x14f4
587 #define MVPP22_TAI_ICICC_LOW			0x14f8
588 #define MVPP22_TAI_TUC_MSB			0x14fc
589 
590 #define MVPP22_GMAC_BASE(port)		(0x7000 + (port) * 0x1000 + 0xe00)
591 
592 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK	0xff
593 
594 /* Descriptor ring Macros */
595 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
596 	(((index) < (q)->last_desc) ? ((index) + 1) : 0)
597 
598 /* XPCS registers.PPv2.2 and PPv2.3 */
599 #define MVPP22_MPCS_BASE(port)			(0x7000 + (port) * 0x1000)
600 #define MVPP22_MPCS_CTRL			0x14
601 #define     MVPP22_MPCS_CTRL_FWD_ERR_CONN	BIT(10)
602 #define MVPP22_MPCS_CLK_RESET			0x14c
603 #define     MAC_CLK_RESET_SD_TX			BIT(0)
604 #define     MAC_CLK_RESET_SD_RX			BIT(1)
605 #define     MAC_CLK_RESET_MAC			BIT(2)
606 #define     MVPP22_MPCS_CLK_RESET_DIV_RATIO(n)	((n) << 4)
607 #define     MVPP22_MPCS_CLK_RESET_DIV_SET	BIT(11)
608 
609 /* FCA registers. PPv2.2 and PPv2.3 */
610 #define MVPP22_FCA_BASE(port)			(0x7600 + (port) * 0x1000)
611 #define MVPP22_FCA_REG_SIZE			16
612 #define MVPP22_FCA_REG_MASK			0xFFFF
613 #define MVPP22_FCA_CONTROL_REG			0x0
614 #define MVPP22_FCA_ENABLE_PERIODIC		BIT(11)
615 #define MVPP22_PERIODIC_COUNTER_LSB_REG		(0x110)
616 #define MVPP22_PERIODIC_COUNTER_MSB_REG		(0x114)
617 
618 /* XPCS registers. PPv2.2 and PPv2.3 */
619 #define MVPP22_XPCS_BASE(port)			(0x7400 + (port) * 0x1000)
620 #define MVPP22_XPCS_CFG0			0x0
621 #define     MVPP22_XPCS_CFG0_RESET_DIS		BIT(0)
622 #define     MVPP22_XPCS_CFG0_PCS_MODE(n)	((n) << 3)
623 #define     MVPP22_XPCS_CFG0_ACTIVE_LANE(n)	((n) << 5)
624 
625 /* PTP registers. PPv2.2 only */
626 #define MVPP22_PTP_BASE(port)			(0x7800 + (port * 0x1000))
627 #define MVPP22_PTP_INT_CAUSE			0x00
628 #define     MVPP22_PTP_INT_CAUSE_QUEUE1		BIT(6)
629 #define     MVPP22_PTP_INT_CAUSE_QUEUE0		BIT(5)
630 #define MVPP22_PTP_INT_MASK			0x04
631 #define     MVPP22_PTP_INT_MASK_QUEUE1		BIT(6)
632 #define     MVPP22_PTP_INT_MASK_QUEUE0		BIT(5)
633 #define MVPP22_PTP_GCR				0x08
634 #define     MVPP22_PTP_GCR_RX_RESET		BIT(13)
635 #define     MVPP22_PTP_GCR_TX_RESET		BIT(1)
636 #define     MVPP22_PTP_GCR_TSU_ENABLE		BIT(0)
637 #define MVPP22_PTP_TX_Q0_R0			0x0c
638 #define MVPP22_PTP_TX_Q0_R1			0x10
639 #define MVPP22_PTP_TX_Q0_R2			0x14
640 #define MVPP22_PTP_TX_Q1_R0			0x18
641 #define MVPP22_PTP_TX_Q1_R1			0x1c
642 #define MVPP22_PTP_TX_Q1_R2			0x20
643 #define MVPP22_PTP_TPCR				0x24
644 #define MVPP22_PTP_V1PCR			0x28
645 #define MVPP22_PTP_V2PCR			0x2c
646 #define MVPP22_PTP_Y1731PCR			0x30
647 #define MVPP22_PTP_NTPTSPCR			0x34
648 #define MVPP22_PTP_NTPRXPCR			0x38
649 #define MVPP22_PTP_NTPTXPCR			0x3c
650 #define MVPP22_PTP_WAMPPCR			0x40
651 #define MVPP22_PTP_NAPCR			0x44
652 #define MVPP22_PTP_FAPCR			0x48
653 #define MVPP22_PTP_CAPCR			0x50
654 #define MVPP22_PTP_ATAPCR			0x54
655 #define MVPP22_PTP_ACTAPCR			0x58
656 #define MVPP22_PTP_CATAPCR			0x5c
657 #define MVPP22_PTP_CACTAPCR			0x60
658 #define MVPP22_PTP_AITAPCR			0x64
659 #define MVPP22_PTP_CAITAPCR			0x68
660 #define MVPP22_PTP_CITAPCR			0x6c
661 #define MVPP22_PTP_NTP_OFF_HIGH			0x70
662 #define MVPP22_PTP_NTP_OFF_LOW			0x74
663 #define MVPP22_PTP_TX_PIPE_STATUS_DELAY		0x78
664 
665 /* System controller registers. Accessed through a regmap. */
666 #define GENCONF_SOFT_RESET1				0x1108
667 #define     GENCONF_SOFT_RESET1_GOP			BIT(6)
668 #define GENCONF_PORT_CTRL0				0x1110
669 #define     GENCONF_PORT_CTRL0_BUS_WIDTH_SELECT		BIT(1)
670 #define     GENCONF_PORT_CTRL0_RX_DATA_SAMPLE		BIT(29)
671 #define     GENCONF_PORT_CTRL0_CLK_DIV_PHASE_CLR	BIT(31)
672 #define GENCONF_PORT_CTRL1				0x1114
673 #define     GENCONF_PORT_CTRL1_EN(p)			BIT(p)
674 #define     GENCONF_PORT_CTRL1_RESET(p)			(BIT(p) << 28)
675 #define GENCONF_CTRL0					0x1120
676 #define     GENCONF_CTRL0_PORT2_RGMII			BIT(0)
677 #define     GENCONF_CTRL0_PORT3_RGMII_MII		BIT(1)
678 #define     GENCONF_CTRL0_PORT3_RGMII			BIT(2)
679 
680 /* Various constants */
681 
682 /* Coalescing */
683 #define MVPP2_TXDONE_COAL_PKTS_THRESH	64
684 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS	1000000UL
685 #define MVPP2_TXDONE_COAL_USEC		1000
686 #define MVPP2_RX_COAL_PKTS		32
687 #define MVPP2_RX_COAL_USEC		64
688 
689 /* The two bytes Marvell header. Either contains a special value used
690  * by Marvell switches when a specific hardware mode is enabled (not
691  * supported by this driver) or is filled automatically by zeroes on
692  * the RX side. Those two bytes being at the front of the Ethernet
693  * header, they allow to have the IP header aligned on a 4 bytes
694  * boundary automatically: the hardware skips those two bytes on its
695  * own.
696  */
697 #define MVPP2_MH_SIZE			2
698 #define MVPP2_ETH_TYPE_LEN		2
699 #define MVPP2_PPPOE_HDR_SIZE		8
700 #define MVPP2_VLAN_TAG_LEN		4
701 #define MVPP2_VLAN_TAG_EDSA_LEN		8
702 
703 /* Lbtd 802.3 type */
704 #define MVPP2_IP_LBDT_TYPE		0xfffa
705 
706 #define MVPP2_TX_CSUM_MAX_SIZE		9800
707 
708 /* Timeout constants */
709 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC	1000
710 #define MVPP2_TX_PENDING_TIMEOUT_MSEC	1000
711 
712 #define MVPP2_TX_MTU_MAX		0x7ffff
713 
714 /* Maximum number of T-CONTs of PON port */
715 #define MVPP2_MAX_TCONT			16
716 
717 /* Maximum number of supported ports */
718 #define MVPP2_MAX_PORTS			4
719 
720 /* Loopback port index */
721 #define MVPP2_LOOPBACK_PORT_INDEX	3
722 
723 /* Maximum number of TXQs used by single port */
724 #define MVPP2_MAX_TXQ			8
725 
726 /* MVPP2_MAX_TSO_SEGS is the maximum number of fragments to allow in the GSO
727  * skb. As we need a maxium of two descriptors per fragments (1 header, 1 data),
728  * multiply this value by two to count the maximum number of skb descs needed.
729  */
730 #define MVPP2_MAX_TSO_SEGS		300
731 #define MVPP2_MAX_SKB_DESCS		(MVPP2_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS)
732 
733 /* Max number of RXQs per port */
734 #define MVPP2_PORT_MAX_RXQ		32
735 
736 /* Max number of Rx descriptors */
737 #define MVPP2_MAX_RXD_MAX		2048
738 #define MVPP2_MAX_RXD_DFLT		1024
739 
740 /* Max number of Tx descriptors */
741 #define MVPP2_MAX_TXD_MAX		2048
742 #define MVPP2_MAX_TXD_DFLT		1024
743 
744 /* Amount of Tx descriptors that can be reserved at once by CPU */
745 #define MVPP2_CPU_DESC_CHUNK		64
746 
747 /* Max number of Tx descriptors in each aggregated queue */
748 #define MVPP2_AGGR_TXQ_SIZE		256
749 
750 /* Descriptor aligned size */
751 #define MVPP2_DESC_ALIGNED_SIZE		32
752 
753 /* Descriptor alignment mask */
754 #define MVPP2_TX_DESC_ALIGN		(MVPP2_DESC_ALIGNED_SIZE - 1)
755 
756 /* RX FIFO constants */
757 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_44KB	0xb000
758 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_32KB	0x8000
759 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_8KB	0x2000
760 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_4KB	0x1000
761 #define MVPP2_RX_FIFO_PORT_ATTR_SIZE(data_size)	((data_size) >> 6)
762 #define MVPP2_RX_FIFO_PORT_ATTR_SIZE_4KB	0x40
763 #define MVPP2_RX_FIFO_PORT_MIN_PKT		0x80
764 
765 /* TX FIFO constants */
766 #define MVPP22_TX_FIFO_DATA_SIZE_18KB		18
767 #define MVPP22_TX_FIFO_DATA_SIZE_10KB		10
768 #define MVPP22_TX_FIFO_DATA_SIZE_1KB		1
769 #define MVPP2_TX_FIFO_THRESHOLD_MIN		256 /* Bytes */
770 #define MVPP2_TX_FIFO_THRESHOLD(kb)	\
771 		((kb) * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN)
772 
773 /* RX FIFO threshold in 1KB granularity */
774 #define MVPP23_PORT0_FIFO_TRSH	(9 * 1024)
775 #define MVPP23_PORT1_FIFO_TRSH	(4 * 1024)
776 #define MVPP23_PORT2_FIFO_TRSH	(2 * 1024)
777 
778 /* RX Flow Control Registers */
779 #define MVPP2_RX_FC_REG(port)		(0x150 + 4 * (port))
780 #define     MVPP2_RX_FC_EN		BIT(24)
781 #define     MVPP2_RX_FC_TRSH_OFFS	16
782 #define     MVPP2_RX_FC_TRSH_MASK	(0xFF << MVPP2_RX_FC_TRSH_OFFS)
783 #define     MVPP2_RX_FC_TRSH_UNIT	256
784 
785 /* MSS Flow control */
786 #define MSS_FC_COM_REG			0
787 #define FLOW_CONTROL_ENABLE_BIT		BIT(0)
788 #define FLOW_CONTROL_UPDATE_COMMAND_BIT	BIT(31)
789 #define FC_QUANTA			0xFFFF
790 #define FC_CLK_DIVIDER			100
791 
792 #define MSS_RXQ_TRESH_BASE		0x200
793 #define MSS_RXQ_TRESH_OFFS		4
794 #define MSS_RXQ_TRESH_REG(q, fq)	(MSS_RXQ_TRESH_BASE + (((q) + (fq)) \
795 					* MSS_RXQ_TRESH_OFFS))
796 
797 #define MSS_BUF_POOL_BASE		0x40
798 #define MSS_BUF_POOL_OFFS		4
799 #define MSS_BUF_POOL_REG(id)		(MSS_BUF_POOL_BASE		\
800 					+ (id) * MSS_BUF_POOL_OFFS)
801 
802 #define MSS_BUF_POOL_STOP_MASK		0xFFF
803 #define MSS_BUF_POOL_START_MASK		(0xFFF << MSS_BUF_POOL_START_OFFS)
804 #define MSS_BUF_POOL_START_OFFS		12
805 #define MSS_BUF_POOL_PORTS_MASK		(0xF << MSS_BUF_POOL_PORTS_OFFS)
806 #define MSS_BUF_POOL_PORTS_OFFS		24
807 #define MSS_BUF_POOL_PORT_OFFS(id)	(0x1 <<				\
808 					((id) + MSS_BUF_POOL_PORTS_OFFS))
809 
810 #define MSS_RXQ_TRESH_START_MASK	0xFFFF
811 #define MSS_RXQ_TRESH_STOP_MASK		(0xFFFF << MSS_RXQ_TRESH_STOP_OFFS)
812 #define MSS_RXQ_TRESH_STOP_OFFS		16
813 
814 #define MSS_RXQ_ASS_BASE	0x80
815 #define MSS_RXQ_ASS_OFFS	4
816 #define MSS_RXQ_ASS_PER_REG	4
817 #define MSS_RXQ_ASS_PER_OFFS	8
818 #define MSS_RXQ_ASS_PORTID_OFFS	0
819 #define MSS_RXQ_ASS_PORTID_MASK	0x3
820 #define MSS_RXQ_ASS_HOSTID_OFFS	2
821 #define MSS_RXQ_ASS_HOSTID_MASK	0x3F
822 
823 #define MSS_RXQ_ASS_Q_BASE(q, fq) ((((q) + (fq)) % MSS_RXQ_ASS_PER_REG)	 \
824 				  * MSS_RXQ_ASS_PER_OFFS)
825 #define MSS_RXQ_ASS_PQ_BASE(q, fq) ((((q) + (fq)) / MSS_RXQ_ASS_PER_REG) \
826 				   * MSS_RXQ_ASS_OFFS)
827 #define MSS_RXQ_ASS_REG(q, fq) (MSS_RXQ_ASS_BASE + MSS_RXQ_ASS_PQ_BASE(q, fq))
828 
829 #define MSS_THRESHOLD_STOP	768
830 #define MSS_THRESHOLD_START	1024
831 #define MSS_FC_MAX_TIMEOUT	5000
832 
833 /* RX buffer constants */
834 #define MVPP2_SKB_SHINFO_SIZE \
835 	SKB_DATA_ALIGN(sizeof(struct skb_shared_info))
836 
837 #define MVPP2_RX_PKT_SIZE(mtu) \
838 	ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
839 	      ETH_HLEN + ETH_FCS_LEN, cache_line_size())
840 
841 #define MVPP2_RX_BUF_SIZE(pkt_size)	((pkt_size) + MVPP2_SKB_HEADROOM)
842 #define MVPP2_RX_TOTAL_SIZE(buf_size)	((buf_size) + MVPP2_SKB_SHINFO_SIZE)
843 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
844 	((total_size) - MVPP2_SKB_HEADROOM - MVPP2_SKB_SHINFO_SIZE)
845 
846 #define MVPP2_MAX_RX_BUF_SIZE	(PAGE_SIZE - MVPP2_SKB_SHINFO_SIZE - MVPP2_SKB_HEADROOM)
847 
848 #define MVPP2_BIT_TO_BYTE(bit)		((bit) / 8)
849 #define MVPP2_BIT_TO_WORD(bit)		((bit) / 32)
850 #define MVPP2_BIT_IN_WORD(bit)		((bit) % 32)
851 
852 #define MVPP2_N_PRS_FLOWS		52
853 #define MVPP2_N_RFS_ENTRIES_PER_FLOW	4
854 
855 /* There are 7 supported high-level flows */
856 #define MVPP2_N_RFS_RULES		(MVPP2_N_RFS_ENTRIES_PER_FLOW * 7)
857 
858 /* RSS constants */
859 #define MVPP22_N_RSS_TABLES		8
860 #define MVPP22_RSS_TABLE_ENTRIES	32
861 
862 /* IPv6 max L3 address size */
863 #define MVPP2_MAX_L3_ADDR_SIZE		16
864 
865 /* Port flags */
866 #define MVPP2_F_LOOPBACK		BIT(0)
867 #define MVPP2_F_DT_COMPAT		BIT(1)
868 
869 /* Marvell tag types */
870 enum mvpp2_tag_type {
871 	MVPP2_TAG_TYPE_NONE = 0,
872 	MVPP2_TAG_TYPE_MH   = 1,
873 	MVPP2_TAG_TYPE_DSA  = 2,
874 	MVPP2_TAG_TYPE_EDSA = 3,
875 	MVPP2_TAG_TYPE_VLAN = 4,
876 	MVPP2_TAG_TYPE_LAST = 5
877 };
878 
879 /* L2 cast enum */
880 enum mvpp2_prs_l2_cast {
881 	MVPP2_PRS_L2_UNI_CAST,
882 	MVPP2_PRS_L2_MULTI_CAST,
883 };
884 
885 /* L3 cast enum */
886 enum mvpp2_prs_l3_cast {
887 	MVPP2_PRS_L3_UNI_CAST,
888 	MVPP2_PRS_L3_MULTI_CAST,
889 	MVPP2_PRS_L3_BROAD_CAST
890 };
891 
892 /* PTP descriptor constants. The low bits of the descriptor are stored
893  * separately from the high bits.
894  */
895 #define MVPP22_PTP_DESC_MASK_LOW	0xfff
896 
897 /* PTPAction */
898 enum mvpp22_ptp_action {
899 	MVPP22_PTP_ACTION_NONE = 0,
900 	MVPP22_PTP_ACTION_FORWARD = 1,
901 	MVPP22_PTP_ACTION_CAPTURE = 3,
902 	/* The following have not been verified */
903 	MVPP22_PTP_ACTION_ADDTIME = 4,
904 	MVPP22_PTP_ACTION_ADDCORRECTEDTIME = 5,
905 	MVPP22_PTP_ACTION_CAPTUREADDTIME = 6,
906 	MVPP22_PTP_ACTION_CAPTUREADDCORRECTEDTIME = 7,
907 	MVPP22_PTP_ACTION_ADDINGRESSTIME = 8,
908 	MVPP22_PTP_ACTION_CAPTUREADDINGRESSTIME = 9,
909 	MVPP22_PTP_ACTION_CAPTUREINGRESSTIME = 10,
910 };
911 
912 /* PTPPacketFormat */
913 enum mvpp22_ptp_packet_format {
914 	MVPP22_PTP_PKT_FMT_PTPV2 = 0,
915 	MVPP22_PTP_PKT_FMT_PTPV1 = 1,
916 	MVPP22_PTP_PKT_FMT_Y1731 = 2,
917 	MVPP22_PTP_PKT_FMT_NTPTS = 3,
918 	MVPP22_PTP_PKT_FMT_NTPRX = 4,
919 	MVPP22_PTP_PKT_FMT_NTPTX = 5,
920 	MVPP22_PTP_PKT_FMT_TWAMP = 6,
921 };
922 
923 #define MVPP22_PTP_ACTION(x)		(((x) & 15) << 0)
924 #define MVPP22_PTP_PACKETFORMAT(x)	(((x) & 7) << 4)
925 #define MVPP22_PTP_MACTIMESTAMPINGEN	BIT(11)
926 #define MVPP22_PTP_TIMESTAMPENTRYID(x)	(((x) & 31) << 12)
927 #define MVPP22_PTP_TIMESTAMPQUEUESELECT	BIT(18)
928 
929 /* BM constants */
930 #define MVPP2_BM_JUMBO_BUF_NUM		2048
931 #define MVPP2_BM_LONG_BUF_NUM		2048
932 #define MVPP2_BM_SHORT_BUF_NUM		2048
933 #define MVPP2_BM_POOL_SIZE_MAX		(16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
934 #define MVPP2_BM_POOL_PTR_ALIGN		128
935 #define MVPP2_BM_MAX_POOLS		8
936 
937 /* BM cookie (32 bits) definition */
938 #define MVPP2_BM_COOKIE_POOL_OFFS	8
939 #define MVPP2_BM_COOKIE_CPU_OFFS	24
940 
941 #define MVPP2_BM_SHORT_FRAME_SIZE	736	/* frame size 128 */
942 #define MVPP2_BM_LONG_FRAME_SIZE	2240	/* frame size 1664 */
943 #define MVPP2_BM_JUMBO_FRAME_SIZE	10432	/* frame size 9856 */
944 /* BM short pool packet size
945  * These value assure that for SWF the total number
946  * of bytes allocated for each buffer will be 512
947  */
948 #define MVPP2_BM_SHORT_PKT_SIZE	MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_SHORT_FRAME_SIZE)
949 #define MVPP2_BM_LONG_PKT_SIZE	MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_LONG_FRAME_SIZE)
950 #define MVPP2_BM_JUMBO_PKT_SIZE	MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_JUMBO_FRAME_SIZE)
951 
952 #define MVPP21_ADDR_SPACE_SZ		0
953 #define MVPP22_ADDR_SPACE_SZ		SZ_64K
954 
955 #define MVPP2_MAX_THREADS		9
956 #define MVPP2_MAX_QVECS			MVPP2_MAX_THREADS
957 
958 /* GMAC MIB Counters register definitions */
959 #define MVPP21_MIB_COUNTERS_OFFSET		0x1000
960 #define MVPP21_MIB_COUNTERS_PORT_SZ		0x400
961 #define MVPP22_MIB_COUNTERS_OFFSET		0x0
962 #define MVPP22_MIB_COUNTERS_PORT_SZ		0x100
963 
964 #define MVPP2_MIB_GOOD_OCTETS_RCVD		0x0
965 #define MVPP2_MIB_BAD_OCTETS_RCVD		0x8
966 #define MVPP2_MIB_CRC_ERRORS_SENT		0xc
967 #define MVPP2_MIB_UNICAST_FRAMES_RCVD		0x10
968 #define MVPP2_MIB_BROADCAST_FRAMES_RCVD		0x18
969 #define MVPP2_MIB_MULTICAST_FRAMES_RCVD		0x1c
970 #define MVPP2_MIB_FRAMES_64_OCTETS		0x20
971 #define MVPP2_MIB_FRAMES_65_TO_127_OCTETS	0x24
972 #define MVPP2_MIB_FRAMES_128_TO_255_OCTETS	0x28
973 #define MVPP2_MIB_FRAMES_256_TO_511_OCTETS	0x2c
974 #define MVPP2_MIB_FRAMES_512_TO_1023_OCTETS	0x30
975 #define MVPP2_MIB_FRAMES_1024_TO_MAX_OCTETS	0x34
976 #define MVPP2_MIB_GOOD_OCTETS_SENT		0x38
977 #define MVPP2_MIB_UNICAST_FRAMES_SENT		0x40
978 #define MVPP2_MIB_MULTICAST_FRAMES_SENT		0x48
979 #define MVPP2_MIB_BROADCAST_FRAMES_SENT		0x4c
980 #define MVPP2_MIB_FC_SENT			0x54
981 #define MVPP2_MIB_FC_RCVD			0x58
982 #define MVPP2_MIB_RX_FIFO_OVERRUN		0x5c
983 #define MVPP2_MIB_UNDERSIZE_RCVD		0x60
984 #define MVPP2_MIB_FRAGMENTS_RCVD		0x64
985 #define MVPP2_MIB_OVERSIZE_RCVD			0x68
986 #define MVPP2_MIB_JABBER_RCVD			0x6c
987 #define MVPP2_MIB_MAC_RCV_ERROR			0x70
988 #define MVPP2_MIB_BAD_CRC_EVENT			0x74
989 #define MVPP2_MIB_COLLISION			0x78
990 #define MVPP2_MIB_LATE_COLLISION		0x7c
991 
992 #define MVPP2_MIB_COUNTERS_STATS_DELAY		(1 * HZ)
993 
994 #define MVPP2_DESC_DMA_MASK	DMA_BIT_MASK(40)
995 
996 /* Buffer header info bits */
997 #define MVPP2_B_HDR_INFO_MC_ID_MASK	0xfff
998 #define MVPP2_B_HDR_INFO_MC_ID(info)	((info) & MVPP2_B_HDR_INFO_MC_ID_MASK)
999 #define MVPP2_B_HDR_INFO_LAST_OFFS	12
1000 #define MVPP2_B_HDR_INFO_LAST_MASK	BIT(12)
1001 #define MVPP2_B_HDR_INFO_IS_LAST(info) \
1002 	   (((info) & MVPP2_B_HDR_INFO_LAST_MASK) >> MVPP2_B_HDR_INFO_LAST_OFFS)
1003 
1004 struct mvpp2_tai;
1005 
1006 /* Definitions */
1007 struct mvpp2_dbgfs_entries;
1008 
1009 struct mvpp2_rss_table {
1010 	u32 indir[MVPP22_RSS_TABLE_ENTRIES];
1011 };
1012 
1013 struct mvpp2_buff_hdr {
1014 	__le32 next_phys_addr;
1015 	__le32 next_dma_addr;
1016 	__le16 byte_count;
1017 	__le16 info;
1018 	__le16 reserved1;	/* bm_qset (for future use, BM) */
1019 	u8 next_phys_addr_high;
1020 	u8 next_dma_addr_high;
1021 	__le16 reserved2;
1022 	__le16 reserved3;
1023 	__le16 reserved4;
1024 	__le16 reserved5;
1025 };
1026 
1027 /* Shared Packet Processor resources */
1028 struct mvpp2 {
1029 	/* Shared registers' base addresses */
1030 	void __iomem *lms_base;
1031 	void __iomem *iface_base;
1032 	void __iomem *cm3_base;
1033 
1034 	/* On PPv2.2 and PPv2.3, each "software thread" can access the base
1035 	 * register through a separate address space, each 64 KB apart
1036 	 * from each other. Typically, such address spaces will be
1037 	 * used per CPU.
1038 	 */
1039 	void __iomem *swth_base[MVPP2_MAX_THREADS];
1040 
1041 	/* On PPv2.2 and PPv2.3, some port control registers are located into
1042 	 * the system controller space. These registers are accessible
1043 	 * through a regmap.
1044 	 */
1045 	struct regmap *sysctrl_base;
1046 
1047 	/* Common clocks */
1048 	struct clk *pp_clk;
1049 	struct clk *gop_clk;
1050 	struct clk *mg_clk;
1051 	struct clk *mg_core_clk;
1052 	struct clk *axi_clk;
1053 
1054 	/* List of pointers to port structures */
1055 	int port_count;
1056 	struct mvpp2_port *port_list[MVPP2_MAX_PORTS];
1057 	/* Map of enabled ports */
1058 	unsigned long port_map;
1059 
1060 	struct mvpp2_tai *tai;
1061 
1062 	/* Number of Tx threads used */
1063 	unsigned int nthreads;
1064 	/* Map of threads needing locking */
1065 	unsigned long lock_map;
1066 
1067 	/* Aggregated TXQs */
1068 	struct mvpp2_tx_queue *aggr_txqs;
1069 
1070 	/* Are we using page_pool with per-cpu pools? */
1071 	int percpu_pools;
1072 
1073 	/* BM pools */
1074 	struct mvpp2_bm_pool *bm_pools;
1075 
1076 	/* PRS shadow table */
1077 	struct mvpp2_prs_shadow *prs_shadow;
1078 	/* PRS auxiliary table for double vlan entries control */
1079 	bool *prs_double_vlans;
1080 
1081 	/* Tclk value */
1082 	u32 tclk;
1083 
1084 	/* HW version */
1085 	enum { MVPP21, MVPP22, MVPP23 } hw_version;
1086 
1087 	/* Maximum number of RXQs per port */
1088 	unsigned int max_port_rxqs;
1089 
1090 	/* Workqueue to gather hardware statistics */
1091 	char queue_name[30];
1092 	struct workqueue_struct *stats_queue;
1093 
1094 	/* Debugfs root entry */
1095 	struct dentry *dbgfs_dir;
1096 
1097 	/* Debugfs entries private data */
1098 	struct mvpp2_dbgfs_entries *dbgfs_entries;
1099 
1100 	/* RSS Indirection tables */
1101 	struct mvpp2_rss_table *rss_tables[MVPP22_N_RSS_TABLES];
1102 
1103 	/* page_pool allocator */
1104 	struct page_pool *page_pool[MVPP2_PORT_MAX_RXQ];
1105 
1106 	/* Global TX Flow Control config */
1107 	bool global_tx_fc;
1108 
1109 	/* Spinlocks for CM3 shared memory configuration */
1110 	spinlock_t mss_spinlock;
1111 };
1112 
1113 struct mvpp2_pcpu_stats {
1114 	struct	u64_stats_sync syncp;
1115 	u64	rx_packets;
1116 	u64	rx_bytes;
1117 	u64	tx_packets;
1118 	u64	tx_bytes;
1119 	/* XDP */
1120 	u64	xdp_redirect;
1121 	u64	xdp_pass;
1122 	u64	xdp_drop;
1123 	u64	xdp_xmit;
1124 	u64	xdp_xmit_err;
1125 	u64	xdp_tx;
1126 	u64	xdp_tx_err;
1127 };
1128 
1129 /* Per-CPU port control */
1130 struct mvpp2_port_pcpu {
1131 	struct hrtimer tx_done_timer;
1132 	struct net_device *dev;
1133 	bool timer_scheduled;
1134 };
1135 
1136 struct mvpp2_queue_vector {
1137 	int irq;
1138 	struct napi_struct napi;
1139 	enum { MVPP2_QUEUE_VECTOR_SHARED, MVPP2_QUEUE_VECTOR_PRIVATE } type;
1140 	int sw_thread_id;
1141 	u16 sw_thread_mask;
1142 	int first_rxq;
1143 	int nrxqs;
1144 	u32 pending_cause_rx;
1145 	struct mvpp2_port *port;
1146 	struct cpumask *mask;
1147 };
1148 
1149 /* Internal represention of a Flow Steering rule */
1150 struct mvpp2_rfs_rule {
1151 	/* Rule location inside the flow*/
1152 	int loc;
1153 
1154 	/* Flow type, such as TCP_V4_FLOW, IP6_FLOW, etc. */
1155 	int flow_type;
1156 
1157 	/* Index of the C2 TCAM entry handling this rule */
1158 	int c2_index;
1159 
1160 	/* Header fields that needs to be extracted to match this flow */
1161 	u16 hek_fields;
1162 
1163 	/* CLS engine : only c2 is supported for now. */
1164 	u8 engine;
1165 
1166 	/* TCAM key and mask for C2-based steering. These fields should be
1167 	 * encapsulated in a union should we add more engines.
1168 	 */
1169 	u64 c2_tcam;
1170 	u64 c2_tcam_mask;
1171 
1172 	struct flow_rule *flow;
1173 };
1174 
1175 struct mvpp2_ethtool_fs {
1176 	struct mvpp2_rfs_rule rule;
1177 	struct ethtool_rxnfc rxnfc;
1178 };
1179 
1180 struct mvpp2_hwtstamp_queue {
1181 	struct sk_buff *skb[32];
1182 	u8 next;
1183 };
1184 
1185 struct mvpp2_port {
1186 	u8 id;
1187 
1188 	/* Index of the port from the "group of ports" complex point
1189 	 * of view. This is specific to PPv2.2.
1190 	 */
1191 	int gop_id;
1192 
1193 	int port_irq;
1194 
1195 	struct mvpp2 *priv;
1196 
1197 	/* Firmware node associated to the port */
1198 	struct fwnode_handle *fwnode;
1199 
1200 	/* Per-port registers' base address */
1201 	void __iomem *base;
1202 	void __iomem *stats_base;
1203 
1204 	struct mvpp2_rx_queue **rxqs;
1205 	unsigned int nrxqs;
1206 	struct mvpp2_tx_queue **txqs;
1207 	unsigned int ntxqs;
1208 	struct net_device *dev;
1209 
1210 	struct bpf_prog *xdp_prog;
1211 
1212 	int pkt_size;
1213 
1214 	/* Per-CPU port control */
1215 	struct mvpp2_port_pcpu __percpu *pcpu;
1216 
1217 	/* Protect the BM refills and the Tx paths when a thread is used on more
1218 	 * than a single CPU.
1219 	 */
1220 	spinlock_t bm_lock[MVPP2_MAX_THREADS];
1221 	spinlock_t tx_lock[MVPP2_MAX_THREADS];
1222 
1223 	/* Flags */
1224 	unsigned long flags;
1225 
1226 	u16 tx_ring_size;
1227 	u16 rx_ring_size;
1228 	struct mvpp2_pcpu_stats __percpu *stats;
1229 	u64 *ethtool_stats;
1230 
1231 	unsigned long state;
1232 
1233 	/* Per-port work and its lock to gather hardware statistics */
1234 	struct mutex gather_stats_lock;
1235 	struct delayed_work stats_work;
1236 
1237 	struct device_node *of_node;
1238 
1239 	phy_interface_t phy_interface;
1240 	struct phylink *phylink;
1241 	struct phylink_config phylink_config;
1242 	struct phylink_pcs pcs_gmac;
1243 	struct phylink_pcs pcs_xlg;
1244 	struct phy *comphy;
1245 
1246 	struct mvpp2_bm_pool *pool_long;
1247 	struct mvpp2_bm_pool *pool_short;
1248 
1249 	/* Index of first port's physical RXQ */
1250 	u8 first_rxq;
1251 
1252 	struct mvpp2_queue_vector qvecs[MVPP2_MAX_QVECS];
1253 	unsigned int nqvecs;
1254 	bool has_tx_irqs;
1255 
1256 	u32 tx_time_coal;
1257 
1258 	/* List of steering rules active on that port */
1259 	struct mvpp2_ethtool_fs *rfs_rules[MVPP2_N_RFS_ENTRIES_PER_FLOW];
1260 	int n_rfs_rules;
1261 
1262 	/* Each port has its own view of the rss contexts, so that it can number
1263 	 * them from 0
1264 	 */
1265 	int rss_ctx[MVPP22_N_RSS_TABLES];
1266 
1267 	bool hwtstamp;
1268 	bool rx_hwtstamp;
1269 	enum hwtstamp_tx_types tx_hwtstamp_type;
1270 	struct mvpp2_hwtstamp_queue tx_hwtstamp_queue[2];
1271 
1272 	/* Firmware TX flow control */
1273 	bool tx_fc;
1274 };
1275 
1276 /* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
1277  * layout of the transmit and reception DMA descriptors, and their
1278  * layout is therefore defined by the hardware design
1279  */
1280 
1281 #define MVPP2_TXD_L3_OFF_SHIFT		0
1282 #define MVPP2_TXD_IP_HLEN_SHIFT		8
1283 #define MVPP2_TXD_L4_CSUM_FRAG		BIT(13)
1284 #define MVPP2_TXD_L4_CSUM_NOT		BIT(14)
1285 #define MVPP2_TXD_IP_CSUM_DISABLE	BIT(15)
1286 #define MVPP2_TXD_PADDING_DISABLE	BIT(23)
1287 #define MVPP2_TXD_L4_UDP		BIT(24)
1288 #define MVPP2_TXD_L3_IP6		BIT(26)
1289 #define MVPP2_TXD_L_DESC		BIT(28)
1290 #define MVPP2_TXD_F_DESC		BIT(29)
1291 
1292 #define MVPP2_RXD_ERR_SUMMARY		BIT(15)
1293 #define MVPP2_RXD_ERR_CODE_MASK		(BIT(13) | BIT(14))
1294 #define MVPP2_RXD_ERR_CRC		0x0
1295 #define MVPP2_RXD_ERR_OVERRUN		BIT(13)
1296 #define MVPP2_RXD_ERR_RESOURCE		(BIT(13) | BIT(14))
1297 #define MVPP2_RXD_BM_POOL_ID_OFFS	16
1298 #define MVPP2_RXD_BM_POOL_ID_MASK	(BIT(16) | BIT(17) | BIT(18))
1299 #define MVPP2_RXD_HWF_SYNC		BIT(21)
1300 #define MVPP2_RXD_L4_CSUM_OK		BIT(22)
1301 #define MVPP2_RXD_IP4_HEADER_ERR	BIT(24)
1302 #define MVPP2_RXD_L4_TCP		BIT(25)
1303 #define MVPP2_RXD_L4_UDP		BIT(26)
1304 #define MVPP2_RXD_L3_IP4		BIT(28)
1305 #define MVPP2_RXD_L3_IP6		BIT(30)
1306 #define MVPP2_RXD_BUF_HDR		BIT(31)
1307 
1308 /* HW TX descriptor for PPv2.1 */
1309 struct mvpp21_tx_desc {
1310 	__le32 command;		/* Options used by HW for packet transmitting.*/
1311 	u8  packet_offset;	/* the offset from the buffer beginning	*/
1312 	u8  phys_txq;		/* destination queue ID			*/
1313 	__le16 data_size;	/* data size of transmitted packet in bytes */
1314 	__le32 buf_dma_addr;	/* physical addr of transmitted buffer	*/
1315 	__le32 buf_cookie;	/* cookie for access to TX buffer in tx path */
1316 	__le32 reserved1[3];	/* hw_cmd (for future use, BM, PON, PNC) */
1317 	__le32 reserved2;	/* reserved (for future use)		*/
1318 };
1319 
1320 /* HW RX descriptor for PPv2.1 */
1321 struct mvpp21_rx_desc {
1322 	__le32 status;		/* info about received packet		*/
1323 	__le16 reserved1;	/* parser_info (for future use, PnC)	*/
1324 	__le16 data_size;	/* size of received packet in bytes	*/
1325 	__le32 buf_dma_addr;	/* physical address of the buffer	*/
1326 	__le32 buf_cookie;	/* cookie for access to RX buffer in rx path */
1327 	__le16 reserved2;	/* gem_port_id (for future use, PON)	*/
1328 	__le16 reserved3;	/* csum_l4 (for future use, PnC)	*/
1329 	u8  reserved4;		/* bm_qset (for future use, BM)		*/
1330 	u8  reserved5;
1331 	__le16 reserved6;	/* classify_info (for future use, PnC)	*/
1332 	__le32 reserved7;	/* flow_id (for future use, PnC) */
1333 	__le32 reserved8;
1334 };
1335 
1336 /* HW TX descriptor for PPv2.2 and PPv2.3 */
1337 struct mvpp22_tx_desc {
1338 	__le32 command;
1339 	u8  packet_offset;
1340 	u8  phys_txq;
1341 	__le16 data_size;
1342 	__le32 ptp_descriptor;
1343 	__le32 reserved2;
1344 	__le64 buf_dma_addr_ptp;
1345 	__le64 buf_cookie_misc;
1346 };
1347 
1348 /* HW RX descriptor for PPv2.2 and PPv2.3 */
1349 struct mvpp22_rx_desc {
1350 	__le32 status;
1351 	__le16 reserved1;
1352 	__le16 data_size;
1353 	__le32 reserved2;
1354 	__le32 timestamp;
1355 	__le64 buf_dma_addr_key_hash;
1356 	__le64 buf_cookie_misc;
1357 };
1358 
1359 /* Opaque type used by the driver to manipulate the HW TX and RX
1360  * descriptors
1361  */
1362 struct mvpp2_tx_desc {
1363 	union {
1364 		struct mvpp21_tx_desc pp21;
1365 		struct mvpp22_tx_desc pp22;
1366 	};
1367 };
1368 
1369 struct mvpp2_rx_desc {
1370 	union {
1371 		struct mvpp21_rx_desc pp21;
1372 		struct mvpp22_rx_desc pp22;
1373 	};
1374 };
1375 
1376 enum mvpp2_tx_buf_type {
1377 	MVPP2_TYPE_SKB,
1378 	MVPP2_TYPE_XDP_TX,
1379 	MVPP2_TYPE_XDP_NDO,
1380 };
1381 
1382 struct mvpp2_txq_pcpu_buf {
1383 	enum mvpp2_tx_buf_type type;
1384 
1385 	/* Transmitted SKB */
1386 	union {
1387 		struct xdp_frame *xdpf;
1388 		struct sk_buff *skb;
1389 	};
1390 
1391 	/* Physical address of transmitted buffer */
1392 	dma_addr_t dma;
1393 
1394 	/* Size transmitted */
1395 	size_t size;
1396 };
1397 
1398 /* Per-CPU Tx queue control */
1399 struct mvpp2_txq_pcpu {
1400 	unsigned int thread;
1401 
1402 	/* Number of Tx DMA descriptors in the descriptor ring */
1403 	int size;
1404 
1405 	/* Number of currently used Tx DMA descriptor in the
1406 	 * descriptor ring
1407 	 */
1408 	int count;
1409 
1410 	int wake_threshold;
1411 	int stop_threshold;
1412 
1413 	/* Number of Tx DMA descriptors reserved for each CPU */
1414 	int reserved_num;
1415 
1416 	/* Infos about transmitted buffers */
1417 	struct mvpp2_txq_pcpu_buf *buffs;
1418 
1419 	/* Index of last TX DMA descriptor that was inserted */
1420 	int txq_put_index;
1421 
1422 	/* Index of the TX DMA descriptor to be cleaned up */
1423 	int txq_get_index;
1424 
1425 	/* DMA buffer for TSO headers */
1426 	char *tso_headers;
1427 	dma_addr_t tso_headers_dma;
1428 };
1429 
1430 struct mvpp2_tx_queue {
1431 	/* Physical number of this Tx queue */
1432 	u8 id;
1433 
1434 	/* Logical number of this Tx queue */
1435 	u8 log_id;
1436 
1437 	/* Number of Tx DMA descriptors in the descriptor ring */
1438 	int size;
1439 
1440 	/* Number of currently used Tx DMA descriptor in the descriptor ring */
1441 	int count;
1442 
1443 	/* Per-CPU control of physical Tx queues */
1444 	struct mvpp2_txq_pcpu __percpu *pcpu;
1445 
1446 	u32 done_pkts_coal;
1447 
1448 	/* Virtual address of thex Tx DMA descriptors array */
1449 	struct mvpp2_tx_desc *descs;
1450 
1451 	/* DMA address of the Tx DMA descriptors array */
1452 	dma_addr_t descs_dma;
1453 
1454 	/* Index of the last Tx DMA descriptor */
1455 	int last_desc;
1456 
1457 	/* Index of the next Tx DMA descriptor to process */
1458 	int next_desc_to_proc;
1459 };
1460 
1461 struct mvpp2_rx_queue {
1462 	/* RX queue number, in the range 0-31 for physical RXQs */
1463 	u8 id;
1464 
1465 	/* Num of rx descriptors in the rx descriptor ring */
1466 	int size;
1467 
1468 	u32 pkts_coal;
1469 	u32 time_coal;
1470 
1471 	/* Virtual address of the RX DMA descriptors array */
1472 	struct mvpp2_rx_desc *descs;
1473 
1474 	/* DMA address of the RX DMA descriptors array */
1475 	dma_addr_t descs_dma;
1476 
1477 	/* Index of the last RX DMA descriptor */
1478 	int last_desc;
1479 
1480 	/* Index of the next RX DMA descriptor to process */
1481 	int next_desc_to_proc;
1482 
1483 	/* ID of port to which physical RXQ is mapped */
1484 	int port;
1485 
1486 	/* Port's logic RXQ number to which physical RXQ is mapped */
1487 	int logic_rxq;
1488 
1489 	/* XDP memory accounting */
1490 	struct xdp_rxq_info xdp_rxq_short;
1491 	struct xdp_rxq_info xdp_rxq_long;
1492 };
1493 
1494 struct mvpp2_bm_pool {
1495 	/* Pool number in the range 0-7 */
1496 	int id;
1497 
1498 	/* Buffer Pointers Pool External (BPPE) size */
1499 	int size;
1500 	/* BPPE size in bytes */
1501 	int size_bytes;
1502 	/* Number of buffers for this pool */
1503 	int buf_num;
1504 	/* Pool buffer size */
1505 	int buf_size;
1506 	/* Packet size */
1507 	int pkt_size;
1508 	int frag_size;
1509 
1510 	/* BPPE virtual base address */
1511 	u32 *virt_addr;
1512 	/* BPPE DMA base address */
1513 	dma_addr_t dma_addr;
1514 
1515 	/* Ports using BM pool */
1516 	u32 port_map;
1517 };
1518 
1519 #define IS_TSO_HEADER(txq_pcpu, addr) \
1520 	((addr) >= (txq_pcpu)->tso_headers_dma && \
1521 	 (addr) < (txq_pcpu)->tso_headers_dma + \
1522 	 (txq_pcpu)->size * TSO_HEADER_SIZE)
1523 
1524 #define MVPP2_DRIVER_NAME "mvpp2"
1525 #define MVPP2_DRIVER_VERSION "1.0"
1526 
1527 void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data);
1528 u32 mvpp2_read(struct mvpp2 *priv, u32 offset);
1529 
1530 void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name);
1531 
1532 void mvpp2_dbgfs_cleanup(struct mvpp2 *priv);
1533 void mvpp2_dbgfs_exit(void);
1534 
1535 void mvpp23_rx_fifo_fc_en(struct mvpp2 *priv, int port, bool en);
1536 
1537 #ifdef CONFIG_MVPP2_PTP
1538 int mvpp22_tai_probe(struct device *dev, struct mvpp2 *priv);
1539 void mvpp22_tai_tstamp(struct mvpp2_tai *tai, u32 tstamp,
1540 		       struct skb_shared_hwtstamps *hwtstamp);
1541 void mvpp22_tai_start(struct mvpp2_tai *tai);
1542 void mvpp22_tai_stop(struct mvpp2_tai *tai);
1543 int mvpp22_tai_ptp_clock_index(struct mvpp2_tai *tai);
1544 #else
mvpp22_tai_probe(struct device * dev,struct mvpp2 * priv)1545 static inline int mvpp22_tai_probe(struct device *dev, struct mvpp2 *priv)
1546 {
1547 	return 0;
1548 }
mvpp22_tai_tstamp(struct mvpp2_tai * tai,u32 tstamp,struct skb_shared_hwtstamps * hwtstamp)1549 static inline void mvpp22_tai_tstamp(struct mvpp2_tai *tai, u32 tstamp,
1550 				     struct skb_shared_hwtstamps *hwtstamp)
1551 {
1552 }
mvpp22_tai_start(struct mvpp2_tai * tai)1553 static inline void mvpp22_tai_start(struct mvpp2_tai *tai)
1554 {
1555 }
mvpp22_tai_stop(struct mvpp2_tai * tai)1556 static inline void mvpp22_tai_stop(struct mvpp2_tai *tai)
1557 {
1558 }
mvpp22_tai_ptp_clock_index(struct mvpp2_tai * tai)1559 static inline int mvpp22_tai_ptp_clock_index(struct mvpp2_tai *tai)
1560 {
1561 	return -1;
1562 }
1563 #endif
1564 
mvpp22_rx_hwtstamping(struct mvpp2_port * port)1565 static inline bool mvpp22_rx_hwtstamping(struct mvpp2_port *port)
1566 {
1567 	return IS_ENABLED(CONFIG_MVPP2_PTP) && port->rx_hwtstamp;
1568 }
1569 
1570 #endif
1571