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