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 1534 void mvpp23_rx_fifo_fc_en(struct mvpp2 *priv, int port, bool en); 1535 1536 #ifdef CONFIG_MVPP2_PTP 1537 int mvpp22_tai_probe(struct device *dev, struct mvpp2 *priv); 1538 void mvpp22_tai_tstamp(struct mvpp2_tai *tai, u32 tstamp, 1539 struct skb_shared_hwtstamps *hwtstamp); 1540 void mvpp22_tai_start(struct mvpp2_tai *tai); 1541 void mvpp22_tai_stop(struct mvpp2_tai *tai); 1542 int mvpp22_tai_ptp_clock_index(struct mvpp2_tai *tai); 1543 #else 1544 static inline int mvpp22_tai_probe(struct device *dev, struct mvpp2 *priv) 1545 { 1546 return 0; 1547 } 1548 static inline void mvpp22_tai_tstamp(struct mvpp2_tai *tai, u32 tstamp, 1549 struct skb_shared_hwtstamps *hwtstamp) 1550 { 1551 } 1552 static inline void mvpp22_tai_start(struct mvpp2_tai *tai) 1553 { 1554 } 1555 static inline void mvpp22_tai_stop(struct mvpp2_tai *tai) 1556 { 1557 } 1558 static inline int mvpp22_tai_ptp_clock_index(struct mvpp2_tai *tai) 1559 { 1560 return -1; 1561 } 1562 #endif 1563 1564 static inline bool mvpp22_rx_hwtstamping(struct mvpp2_port *port) 1565 { 1566 return IS_ENABLED(CONFIG_MVPP2_PTP) && port->rx_hwtstamp; 1567 } 1568 1569 #endif 1570