1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Atmel MACB Ethernet Controller driver 4 * 5 * Copyright (C) 2004-2006 Atmel Corporation 6 */ 7 #ifndef _MACB_H 8 #define _MACB_H 9 10 #include <linux/clk.h> 11 #include <linux/phylink.h> 12 #include <linux/ptp_clock_kernel.h> 13 #include <linux/net_tstamp.h> 14 #include <linux/interrupt.h> 15 #include <linux/phy/phy.h> 16 #include <linux/workqueue.h> 17 18 #define MACB_GREGS_NBR 16 19 #define MACB_GREGS_VERSION 2 20 #define MACB_MAX_QUEUES 8 21 22 /* MACB register offsets */ 23 #define MACB_NCR 0x0000 /* Network Control */ 24 #define MACB_NCFGR 0x0004 /* Network Config */ 25 #define MACB_NSR 0x0008 /* Network Status */ 26 #define MACB_TAR 0x000c /* AT91RM9200 only */ 27 #define MACB_TCR 0x0010 /* AT91RM9200 only */ 28 #define MACB_TSR 0x0014 /* Transmit Status */ 29 #define MACB_RBQP 0x0018 /* RX Q Base Address */ 30 #define MACB_TBQP 0x001c /* TX Q Base Address */ 31 #define MACB_RSR 0x0020 /* Receive Status */ 32 #define MACB_ISR 0x0024 /* Interrupt Status */ 33 #define MACB_IER 0x0028 /* Interrupt Enable */ 34 #define MACB_IDR 0x002c /* Interrupt Disable */ 35 #define MACB_IMR 0x0030 /* Interrupt Mask */ 36 #define MACB_MAN 0x0034 /* PHY Maintenance */ 37 #define MACB_PTR 0x0038 38 #define MACB_PFR 0x003c 39 #define MACB_FTO 0x0040 40 #define MACB_SCF 0x0044 41 #define MACB_MCF 0x0048 42 #define MACB_FRO 0x004c 43 #define MACB_FCSE 0x0050 44 #define MACB_ALE 0x0054 45 #define MACB_DTF 0x0058 46 #define MACB_LCOL 0x005c 47 #define MACB_EXCOL 0x0060 48 #define MACB_TUND 0x0064 49 #define MACB_CSE 0x0068 50 #define MACB_RRE 0x006c 51 #define MACB_ROVR 0x0070 52 #define MACB_RSE 0x0074 53 #define MACB_ELE 0x0078 54 #define MACB_RJA 0x007c 55 #define MACB_USF 0x0080 56 #define MACB_STE 0x0084 57 #define MACB_RLE 0x0088 58 #define MACB_TPF 0x008c 59 #define MACB_HRB 0x0090 60 #define MACB_HRT 0x0094 61 #define MACB_SA1B 0x0098 62 #define MACB_SA1T 0x009c 63 #define MACB_SA2B 0x00a0 64 #define MACB_SA2T 0x00a4 65 #define MACB_SA3B 0x00a8 66 #define MACB_SA3T 0x00ac 67 #define MACB_SA4B 0x00b0 68 #define MACB_SA4T 0x00b4 69 #define MACB_TID 0x00b8 70 #define MACB_TPQ 0x00bc 71 #define MACB_USRIO 0x00c0 72 #define MACB_WOL 0x00c4 73 #define MACB_MID 0x00fc 74 #define MACB_TBQPH 0x04C8 75 #define MACB_RBQPH 0x04D4 76 77 /* GEM register offsets. */ 78 #define GEM_NCR 0x0000 /* Network Control */ 79 #define GEM_NCFGR 0x0004 /* Network Config */ 80 #define GEM_USRIO 0x000c /* User IO */ 81 #define GEM_DMACFG 0x0010 /* DMA Configuration */ 82 #define GEM_PBUFRXCUT 0x0044 /* RX Partial Store and Forward */ 83 #define GEM_JML 0x0048 /* Jumbo Max Length */ 84 #define GEM_HS_MAC_CONFIG 0x0050 /* GEM high speed config */ 85 #define GEM_HRB 0x0080 /* Hash Bottom */ 86 #define GEM_HRT 0x0084 /* Hash Top */ 87 #define GEM_SA1B 0x0088 /* Specific1 Bottom */ 88 #define GEM_SA1T 0x008C /* Specific1 Top */ 89 #define GEM_SA2B 0x0090 /* Specific2 Bottom */ 90 #define GEM_SA2T 0x0094 /* Specific2 Top */ 91 #define GEM_SA3B 0x0098 /* Specific3 Bottom */ 92 #define GEM_SA3T 0x009C /* Specific3 Top */ 93 #define GEM_SA4B 0x00A0 /* Specific4 Bottom */ 94 #define GEM_SA4T 0x00A4 /* Specific4 Top */ 95 #define GEM_WOL 0x00b8 /* Wake on LAN */ 96 #define GEM_RXPTPUNI 0x00D4 /* PTP RX Unicast address */ 97 #define GEM_TXPTPUNI 0x00D8 /* PTP TX Unicast address */ 98 #define GEM_EFTSH 0x00e8 /* PTP Event Frame Transmitted Seconds Register 47:32 */ 99 #define GEM_EFRSH 0x00ec /* PTP Event Frame Received Seconds Register 47:32 */ 100 #define GEM_PEFTSH 0x00f0 /* PTP Peer Event Frame Transmitted Seconds Register 47:32 */ 101 #define GEM_PEFRSH 0x00f4 /* PTP Peer Event Frame Received Seconds Register 47:32 */ 102 #define GEM_OTX 0x0100 /* Octets transmitted */ 103 #define GEM_OCTTXL 0x0100 /* Octets transmitted [31:0] */ 104 #define GEM_OCTTXH 0x0104 /* Octets transmitted [47:32] */ 105 #define GEM_TXCNT 0x0108 /* Frames Transmitted counter */ 106 #define GEM_TXBCCNT 0x010c /* Broadcast Frames counter */ 107 #define GEM_TXMCCNT 0x0110 /* Multicast Frames counter */ 108 #define GEM_TXPAUSECNT 0x0114 /* Pause Frames Transmitted Counter */ 109 #define GEM_TX64CNT 0x0118 /* 64 byte Frames TX counter */ 110 #define GEM_TX65CNT 0x011c /* 65-127 byte Frames TX counter */ 111 #define GEM_TX128CNT 0x0120 /* 128-255 byte Frames TX counter */ 112 #define GEM_TX256CNT 0x0124 /* 256-511 byte Frames TX counter */ 113 #define GEM_TX512CNT 0x0128 /* 512-1023 byte Frames TX counter */ 114 #define GEM_TX1024CNT 0x012c /* 1024-1518 byte Frames TX counter */ 115 #define GEM_TX1519CNT 0x0130 /* 1519+ byte Frames TX counter */ 116 #define GEM_TXURUNCNT 0x0134 /* TX under run error counter */ 117 #define GEM_SNGLCOLLCNT 0x0138 /* Single Collision Frame Counter */ 118 #define GEM_MULTICOLLCNT 0x013c /* Multiple Collision Frame Counter */ 119 #define GEM_EXCESSCOLLCNT 0x0140 /* Excessive Collision Frame Counter */ 120 #define GEM_LATECOLLCNT 0x0144 /* Late Collision Frame Counter */ 121 #define GEM_TXDEFERCNT 0x0148 /* Deferred Transmission Frame Counter */ 122 #define GEM_TXCSENSECNT 0x014c /* Carrier Sense Error Counter */ 123 #define GEM_ORX 0x0150 /* Octets received */ 124 #define GEM_OCTRXL 0x0150 /* Octets received [31:0] */ 125 #define GEM_OCTRXH 0x0154 /* Octets received [47:32] */ 126 #define GEM_RXCNT 0x0158 /* Frames Received Counter */ 127 #define GEM_RXBROADCNT 0x015c /* Broadcast Frames Received Counter */ 128 #define GEM_RXMULTICNT 0x0160 /* Multicast Frames Received Counter */ 129 #define GEM_RXPAUSECNT 0x0164 /* Pause Frames Received Counter */ 130 #define GEM_RX64CNT 0x0168 /* 64 byte Frames RX Counter */ 131 #define GEM_RX65CNT 0x016c /* 65-127 byte Frames RX Counter */ 132 #define GEM_RX128CNT 0x0170 /* 128-255 byte Frames RX Counter */ 133 #define GEM_RX256CNT 0x0174 /* 256-511 byte Frames RX Counter */ 134 #define GEM_RX512CNT 0x0178 /* 512-1023 byte Frames RX Counter */ 135 #define GEM_RX1024CNT 0x017c /* 1024-1518 byte Frames RX Counter */ 136 #define GEM_RX1519CNT 0x0180 /* 1519+ byte Frames RX Counter */ 137 #define GEM_RXUNDRCNT 0x0184 /* Undersize Frames Received Counter */ 138 #define GEM_RXOVRCNT 0x0188 /* Oversize Frames Received Counter */ 139 #define GEM_RXJABCNT 0x018c /* Jabbers Received Counter */ 140 #define GEM_RXFCSCNT 0x0190 /* Frame Check Sequence Error Counter */ 141 #define GEM_RXLENGTHCNT 0x0194 /* Length Field Error Counter */ 142 #define GEM_RXSYMBCNT 0x0198 /* Symbol Error Counter */ 143 #define GEM_RXALIGNCNT 0x019c /* Alignment Error Counter */ 144 #define GEM_RXRESERRCNT 0x01a0 /* Receive Resource Error Counter */ 145 #define GEM_RXORCNT 0x01a4 /* Receive Overrun Counter */ 146 #define GEM_RXIPCCNT 0x01a8 /* IP header Checksum Error Counter */ 147 #define GEM_RXTCPCCNT 0x01ac /* TCP Checksum Error Counter */ 148 #define GEM_RXUDPCCNT 0x01b0 /* UDP Checksum Error Counter */ 149 #define GEM_TISUBN 0x01bc /* 1588 Timer Increment Sub-ns */ 150 #define GEM_TSH 0x01c0 /* 1588 Timer Seconds High */ 151 #define GEM_TSL 0x01d0 /* 1588 Timer Seconds Low */ 152 #define GEM_TN 0x01d4 /* 1588 Timer Nanoseconds */ 153 #define GEM_TA 0x01d8 /* 1588 Timer Adjust */ 154 #define GEM_TI 0x01dc /* 1588 Timer Increment */ 155 #define GEM_EFTSL 0x01e0 /* PTP Event Frame Tx Seconds Low */ 156 #define GEM_EFTN 0x01e4 /* PTP Event Frame Tx Nanoseconds */ 157 #define GEM_EFRSL 0x01e8 /* PTP Event Frame Rx Seconds Low */ 158 #define GEM_EFRN 0x01ec /* PTP Event Frame Rx Nanoseconds */ 159 #define GEM_PEFTSL 0x01f0 /* PTP Peer Event Frame Tx Secs Low */ 160 #define GEM_PEFTN 0x01f4 /* PTP Peer Event Frame Tx Ns */ 161 #define GEM_PEFRSL 0x01f8 /* PTP Peer Event Frame Rx Sec Low */ 162 #define GEM_PEFRN 0x01fc /* PTP Peer Event Frame Rx Ns */ 163 #define GEM_PCSCNTRL 0x0200 /* PCS Control */ 164 #define GEM_PCSSTS 0x0204 /* PCS Status */ 165 #define GEM_PCSPHYTOPID 0x0208 /* PCS PHY Top ID */ 166 #define GEM_PCSPHYBOTID 0x020c /* PCS PHY Bottom ID */ 167 #define GEM_PCSANADV 0x0210 /* PCS AN Advertisement */ 168 #define GEM_PCSANLPBASE 0x0214 /* PCS AN Link Partner Base */ 169 #define GEM_PCSANEXP 0x0218 /* PCS AN Expansion */ 170 #define GEM_PCSANNPTX 0x021c /* PCS AN Next Page TX */ 171 #define GEM_PCSANNPLP 0x0220 /* PCS AN Next Page LP */ 172 #define GEM_PCSANEXTSTS 0x023c /* PCS AN Extended Status */ 173 #define GEM_RXLPI 0x0270 /* RX LPI Transitions */ 174 #define GEM_RXLPITIME 0x0274 /* RX LPI Time */ 175 #define GEM_TXLPI 0x0278 /* TX LPI Transitions */ 176 #define GEM_TXLPITIME 0x027c /* TX LPI Time */ 177 #define GEM_DCFG1 0x0280 /* Design Config 1 */ 178 #define GEM_DCFG2 0x0284 /* Design Config 2 */ 179 #define GEM_DCFG3 0x0288 /* Design Config 3 */ 180 #define GEM_DCFG4 0x028c /* Design Config 4 */ 181 #define GEM_DCFG5 0x0290 /* Design Config 5 */ 182 #define GEM_DCFG6 0x0294 /* Design Config 6 */ 183 #define GEM_DCFG7 0x0298 /* Design Config 7 */ 184 #define GEM_DCFG8 0x029C /* Design Config 8 */ 185 #define GEM_DCFG10 0x02A4 /* Design Config 10 */ 186 #define GEM_DCFG12 0x02AC /* Design Config 12 */ 187 #define GEM_ENST_START_TIME_Q0 0x0800 /* ENST Q0 start time */ 188 #define GEM_ENST_START_TIME_Q1 0x0804 /* ENST Q1 start time */ 189 #define GEM_ENST_ON_TIME_Q0 0x0820 /* ENST Q0 on time */ 190 #define GEM_ENST_ON_TIME_Q1 0x0824 /* ENST Q1 on time */ 191 #define GEM_ENST_OFF_TIME_Q0 0x0840 /* ENST Q0 off time */ 192 #define GEM_ENST_OFF_TIME_Q1 0x0844 /* ENST Q1 off time */ 193 #define GEM_ENST_CONTROL 0x0880 /* ENST control register */ 194 #define GEM_USX_CONTROL 0x0A80 /* High speed PCS control register */ 195 #define GEM_USX_STATUS 0x0A88 /* High speed PCS status register */ 196 197 #define GEM_TXBDCTRL 0x04cc /* TX Buffer Descriptor control register */ 198 #define GEM_RXBDCTRL 0x04d0 /* RX Buffer Descriptor control register */ 199 200 /* Screener Type 2 match registers */ 201 #define GEM_SCRT2 0x540 202 203 /* EtherType registers */ 204 #define GEM_ETHT 0x06E0 205 206 /* Type 2 compare registers */ 207 #define GEM_T2CMPW0 0x0700 208 #define GEM_T2CMPW1 0x0704 209 #define T2CMP_OFST(t2idx) (t2idx * 2) 210 211 /* type 2 compare registers 212 * each location requires 3 compare regs 213 */ 214 #define GEM_IP4SRC_CMP(idx) (idx * 3) 215 #define GEM_IP4DST_CMP(idx) (idx * 3 + 1) 216 #define GEM_PORT_CMP(idx) (idx * 3 + 2) 217 218 /* Which screening type 2 EtherType register will be used (0 - 7) */ 219 #define SCRT2_ETHT 0 220 221 #define GEM_ISR(hw_q) (0x0400 + ((hw_q) << 2)) 222 #define GEM_TBQP(hw_q) (0x0440 + ((hw_q) << 2)) 223 #define GEM_RBQP(hw_q) (0x0480 + ((hw_q) << 2)) 224 #define GEM_RBQS(hw_q) (0x04A0 + ((hw_q) << 2)) 225 #define GEM_IER(hw_q) (0x0600 + ((hw_q) << 2)) 226 #define GEM_IDR(hw_q) (0x0620 + ((hw_q) << 2)) 227 #define GEM_IMR(hw_q) (0x0640 + ((hw_q) << 2)) 228 229 #define GEM_ENST_START_TIME(hw_q) (0x0800 + ((hw_q) << 2)) 230 #define GEM_ENST_ON_TIME(hw_q) (0x0820 + ((hw_q) << 2)) 231 #define GEM_ENST_OFF_TIME(hw_q) (0x0840 + ((hw_q) << 2)) 232 233 /* Bitfields in ENST_CONTROL */ 234 #define GEM_ENST_DISABLE_QUEUE_OFFSET 16 235 236 /* Bitfields in NCR */ 237 #define MACB_LB_OFFSET 0 /* reserved */ 238 #define MACB_LB_SIZE 1 239 #define MACB_LLB_OFFSET 1 /* Loop back local */ 240 #define MACB_LLB_SIZE 1 241 #define MACB_RE_OFFSET 2 /* Receive enable */ 242 #define MACB_RE_SIZE 1 243 #define MACB_TE_OFFSET 3 /* Transmit enable */ 244 #define MACB_TE_SIZE 1 245 #define MACB_MPE_OFFSET 4 /* Management port enable */ 246 #define MACB_MPE_SIZE 1 247 #define MACB_CLRSTAT_OFFSET 5 /* Clear stats regs */ 248 #define MACB_CLRSTAT_SIZE 1 249 #define MACB_INCSTAT_OFFSET 6 /* Incremental stats regs */ 250 #define MACB_INCSTAT_SIZE 1 251 #define MACB_WESTAT_OFFSET 7 /* Write enable stats regs */ 252 #define MACB_WESTAT_SIZE 1 253 #define MACB_BP_OFFSET 8 /* Back pressure */ 254 #define MACB_BP_SIZE 1 255 #define MACB_TSTART_OFFSET 9 /* Start transmission */ 256 #define MACB_TSTART_SIZE 1 257 #define MACB_THALT_OFFSET 10 /* Transmit halt */ 258 #define MACB_THALT_SIZE 1 259 #define MACB_NCR_TPF_OFFSET 11 /* Transmit pause frame */ 260 #define MACB_NCR_TPF_SIZE 1 261 #define MACB_TZQ_OFFSET 12 /* Transmit zero quantum pause frame */ 262 #define MACB_TZQ_SIZE 1 263 #define MACB_SRTSM_OFFSET 15 /* Store Receive Timestamp to Memory */ 264 #define MACB_PTPUNI_OFFSET 20 /* PTP Unicast packet enable */ 265 #define MACB_PTPUNI_SIZE 1 266 #define MACB_OSSMODE_OFFSET 24 /* Enable One Step Synchro Mode */ 267 #define MACB_OSSMODE_SIZE 1 268 #define MACB_MIIONRGMII_OFFSET 28 /* MII Usage on RGMII Interface */ 269 #define MACB_MIIONRGMII_SIZE 1 270 271 /* Bitfields in NCFGR */ 272 #define MACB_SPD_OFFSET 0 /* Speed */ 273 #define MACB_SPD_SIZE 1 274 #define MACB_FD_OFFSET 1 /* Full duplex */ 275 #define MACB_FD_SIZE 1 276 #define MACB_BIT_RATE_OFFSET 2 /* Discard non-VLAN frames */ 277 #define MACB_BIT_RATE_SIZE 1 278 #define MACB_JFRAME_OFFSET 3 /* reserved */ 279 #define MACB_JFRAME_SIZE 1 280 #define MACB_CAF_OFFSET 4 /* Copy all frames */ 281 #define MACB_CAF_SIZE 1 282 #define MACB_NBC_OFFSET 5 /* No broadcast */ 283 #define MACB_NBC_SIZE 1 284 #define MACB_NCFGR_MTI_OFFSET 6 /* Multicast hash enable */ 285 #define MACB_NCFGR_MTI_SIZE 1 286 #define MACB_UNI_OFFSET 7 /* Unicast hash enable */ 287 #define MACB_UNI_SIZE 1 288 #define MACB_BIG_OFFSET 8 /* Receive 1536 byte frames */ 289 #define MACB_BIG_SIZE 1 290 #define MACB_EAE_OFFSET 9 /* External address match enable */ 291 #define MACB_EAE_SIZE 1 292 #define MACB_CLK_OFFSET 10 293 #define MACB_CLK_SIZE 2 294 #define MACB_RTY_OFFSET 12 /* Retry test */ 295 #define MACB_RTY_SIZE 1 296 #define MACB_PAE_OFFSET 13 /* Pause enable */ 297 #define MACB_PAE_SIZE 1 298 #define MACB_RM9200_RMII_OFFSET 13 /* AT91RM9200 only */ 299 #define MACB_RM9200_RMII_SIZE 1 /* AT91RM9200 only */ 300 #define MACB_RBOF_OFFSET 14 /* Receive buffer offset */ 301 #define MACB_RBOF_SIZE 2 302 #define MACB_RLCE_OFFSET 16 /* Length field error frame discard */ 303 #define MACB_RLCE_SIZE 1 304 #define MACB_DRFCS_OFFSET 17 /* FCS remove */ 305 #define MACB_DRFCS_SIZE 1 306 #define MACB_EFRHD_OFFSET 18 307 #define MACB_EFRHD_SIZE 1 308 #define MACB_IRXFCS_OFFSET 19 309 #define MACB_IRXFCS_SIZE 1 310 311 /* GEM specific NCR bitfields. */ 312 #define GEM_TXLPIEN_OFFSET 19 313 #define GEM_TXLPIEN_SIZE 1 314 #define GEM_ENABLE_HS_MAC_OFFSET 31 315 #define GEM_ENABLE_HS_MAC_SIZE 1 316 317 /* GEM specific NCFGR bitfields. */ 318 #define GEM_FD_OFFSET 1 /* Full duplex */ 319 #define GEM_FD_SIZE 1 320 #define GEM_GBE_OFFSET 10 /* Gigabit mode enable */ 321 #define GEM_GBE_SIZE 1 322 #define GEM_PCSSEL_OFFSET 11 323 #define GEM_PCSSEL_SIZE 1 324 #define GEM_PAE_OFFSET 13 /* Pause enable */ 325 #define GEM_PAE_SIZE 1 326 #define GEM_CLK_OFFSET 18 /* MDC clock division */ 327 #define GEM_CLK_SIZE 3 328 #define GEM_DBW_OFFSET 21 /* Data bus width */ 329 #define GEM_DBW_SIZE 2 330 #define GEM_RXCOEN_OFFSET 24 331 #define GEM_RXCOEN_SIZE 1 332 #define GEM_SGMIIEN_OFFSET 27 333 #define GEM_SGMIIEN_SIZE 1 334 335 336 /* Constants for data bus width. */ 337 #define GEM_DBW32 0 /* 32 bit AMBA AHB data bus width */ 338 #define GEM_DBW64 1 /* 64 bit AMBA AHB data bus width */ 339 #define GEM_DBW128 2 /* 128 bit AMBA AHB data bus width */ 340 341 /* Bitfields in DMACFG. */ 342 #define GEM_FBLDO_OFFSET 0 /* fixed burst length for DMA */ 343 #define GEM_FBLDO_SIZE 5 344 #define GEM_ENDIA_DESC_OFFSET 6 /* endian swap mode for management descriptor access */ 345 #define GEM_ENDIA_DESC_SIZE 1 346 #define GEM_ENDIA_PKT_OFFSET 7 /* endian swap mode for packet data access */ 347 #define GEM_ENDIA_PKT_SIZE 1 348 #define GEM_RXBMS_OFFSET 8 /* RX packet buffer memory size select */ 349 #define GEM_RXBMS_SIZE 2 350 #define GEM_TXPBMS_OFFSET 10 /* TX packet buffer memory size select */ 351 #define GEM_TXPBMS_SIZE 1 352 #define GEM_TXCOEN_OFFSET 11 /* TX IP/TCP/UDP checksum gen offload */ 353 #define GEM_TXCOEN_SIZE 1 354 #define GEM_RXBS_OFFSET 16 /* DMA receive buffer size */ 355 #define GEM_RXBS_SIZE 8 356 #define GEM_DDRP_OFFSET 24 /* disc_when_no_ahb */ 357 #define GEM_DDRP_SIZE 1 358 #define GEM_RXEXT_OFFSET 28 /* RX extended Buffer Descriptor mode */ 359 #define GEM_RXEXT_SIZE 1 360 #define GEM_TXEXT_OFFSET 29 /* TX extended Buffer Descriptor mode */ 361 #define GEM_TXEXT_SIZE 1 362 #define GEM_ADDR64_OFFSET 30 /* Address bus width - 64b or 32b */ 363 #define GEM_ADDR64_SIZE 1 364 365 366 /* Bitfields in PBUFRXCUT */ 367 #define GEM_ENCUTTHRU_OFFSET 31 /* Enable RX partial store and forward */ 368 #define GEM_ENCUTTHRU_SIZE 1 369 370 /* Bitfields in NSR */ 371 #define MACB_NSR_LINK_OFFSET 0 /* pcs_link_state */ 372 #define MACB_NSR_LINK_SIZE 1 373 #define MACB_MDIO_OFFSET 1 /* status of the mdio_in pin */ 374 #define MACB_MDIO_SIZE 1 375 #define MACB_IDLE_OFFSET 2 /* The PHY management logic is idle */ 376 #define MACB_IDLE_SIZE 1 377 378 /* Bitfields in TSR */ 379 #define MACB_UBR_OFFSET 0 /* Used bit read */ 380 #define MACB_UBR_SIZE 1 381 #define MACB_COL_OFFSET 1 /* Collision occurred */ 382 #define MACB_COL_SIZE 1 383 #define MACB_TSR_RLE_OFFSET 2 /* Retry limit exceeded */ 384 #define MACB_TSR_RLE_SIZE 1 385 #define MACB_TGO_OFFSET 3 /* Transmit go */ 386 #define MACB_TGO_SIZE 1 387 #define MACB_BEX_OFFSET 4 /* TX frame corruption due to AHB error */ 388 #define MACB_BEX_SIZE 1 389 #define MACB_RM9200_BNQ_OFFSET 4 /* AT91RM9200 only */ 390 #define MACB_RM9200_BNQ_SIZE 1 /* AT91RM9200 only */ 391 #define MACB_COMP_OFFSET 5 /* Trnasmit complete */ 392 #define MACB_COMP_SIZE 1 393 #define MACB_UND_OFFSET 6 /* Trnasmit under run */ 394 #define MACB_UND_SIZE 1 395 396 /* Bitfields in RSR */ 397 #define MACB_BNA_OFFSET 0 /* Buffer not available */ 398 #define MACB_BNA_SIZE 1 399 #define MACB_REC_OFFSET 1 /* Frame received */ 400 #define MACB_REC_SIZE 1 401 #define MACB_OVR_OFFSET 2 /* Receive overrun */ 402 #define MACB_OVR_SIZE 1 403 404 /* Bitfields in ISR/IER/IDR/IMR */ 405 #define MACB_MFD_OFFSET 0 /* Management frame sent */ 406 #define MACB_MFD_SIZE 1 407 #define MACB_RCOMP_OFFSET 1 /* Receive complete */ 408 #define MACB_RCOMP_SIZE 1 409 #define MACB_RXUBR_OFFSET 2 /* RX used bit read */ 410 #define MACB_RXUBR_SIZE 1 411 #define MACB_TXUBR_OFFSET 3 /* TX used bit read */ 412 #define MACB_TXUBR_SIZE 1 413 #define MACB_ISR_TUND_OFFSET 4 /* Enable TX buffer under run interrupt */ 414 #define MACB_ISR_TUND_SIZE 1 415 #define MACB_ISR_RLE_OFFSET 5 /* EN retry exceeded/late coll interrupt */ 416 #define MACB_ISR_RLE_SIZE 1 417 #define MACB_TXERR_OFFSET 6 /* EN TX frame corrupt from error interrupt */ 418 #define MACB_TXERR_SIZE 1 419 #define MACB_RM9200_TBRE_OFFSET 6 /* EN may send new frame interrupt (RM9200) */ 420 #define MACB_RM9200_TBRE_SIZE 1 421 #define MACB_TCOMP_OFFSET 7 /* Enable transmit complete interrupt */ 422 #define MACB_TCOMP_SIZE 1 423 #define MACB_ISR_LINK_OFFSET 9 /* Enable link change interrupt */ 424 #define MACB_ISR_LINK_SIZE 1 425 #define MACB_ISR_ROVR_OFFSET 10 /* Enable receive overrun interrupt */ 426 #define MACB_ISR_ROVR_SIZE 1 427 #define MACB_HRESP_OFFSET 11 /* Enable hrsep not OK interrupt */ 428 #define MACB_HRESP_SIZE 1 429 #define MACB_PFR_OFFSET 12 /* Enable pause frame w/ quantum interrupt */ 430 #define MACB_PFR_SIZE 1 431 #define MACB_PTZ_OFFSET 13 /* Enable pause time zero interrupt */ 432 #define MACB_PTZ_SIZE 1 433 #define MACB_WOL_OFFSET 14 /* Enable wake-on-lan interrupt */ 434 #define MACB_WOL_SIZE 1 435 #define MACB_DRQFR_OFFSET 18 /* PTP Delay Request Frame Received */ 436 #define MACB_DRQFR_SIZE 1 437 #define MACB_SFR_OFFSET 19 /* PTP Sync Frame Received */ 438 #define MACB_SFR_SIZE 1 439 #define MACB_DRQFT_OFFSET 20 /* PTP Delay Request Frame Transmitted */ 440 #define MACB_DRQFT_SIZE 1 441 #define MACB_SFT_OFFSET 21 /* PTP Sync Frame Transmitted */ 442 #define MACB_SFT_SIZE 1 443 #define MACB_PDRQFR_OFFSET 22 /* PDelay Request Frame Received */ 444 #define MACB_PDRQFR_SIZE 1 445 #define MACB_PDRSFR_OFFSET 23 /* PDelay Response Frame Received */ 446 #define MACB_PDRSFR_SIZE 1 447 #define MACB_PDRQFT_OFFSET 24 /* PDelay Request Frame Transmitted */ 448 #define MACB_PDRQFT_SIZE 1 449 #define MACB_PDRSFT_OFFSET 25 /* PDelay Response Frame Transmitted */ 450 #define MACB_PDRSFT_SIZE 1 451 #define MACB_SRI_OFFSET 26 /* TSU Seconds Register Increment */ 452 #define MACB_SRI_SIZE 1 453 #define GEM_WOL_OFFSET 28 /* Enable wake-on-lan interrupt */ 454 #define GEM_WOL_SIZE 1 455 456 /* Timer increment fields */ 457 #define MACB_TI_CNS_OFFSET 0 458 #define MACB_TI_CNS_SIZE 8 459 #define MACB_TI_ACNS_OFFSET 8 460 #define MACB_TI_ACNS_SIZE 8 461 #define MACB_TI_NIT_OFFSET 16 462 #define MACB_TI_NIT_SIZE 8 463 464 /* Bitfields in MAN */ 465 #define MACB_DATA_OFFSET 0 /* data */ 466 #define MACB_DATA_SIZE 16 467 #define MACB_CODE_OFFSET 16 /* Must be written to 10 */ 468 #define MACB_CODE_SIZE 2 469 #define MACB_REGA_OFFSET 18 /* Register address */ 470 #define MACB_REGA_SIZE 5 471 #define MACB_PHYA_OFFSET 23 /* PHY address */ 472 #define MACB_PHYA_SIZE 5 473 #define MACB_RW_OFFSET 28 /* Operation. 10 is read. 01 is write. */ 474 #define MACB_RW_SIZE 2 475 #define MACB_SOF_OFFSET 30 /* Must be written to 1 for Clause 22 */ 476 #define MACB_SOF_SIZE 2 477 478 /* Bitfields in USRIO (AVR32) */ 479 #define MACB_MII_OFFSET 0 480 #define MACB_MII_SIZE 1 481 #define MACB_EAM_OFFSET 1 482 #define MACB_EAM_SIZE 1 483 #define MACB_TX_PAUSE_OFFSET 2 484 #define MACB_TX_PAUSE_SIZE 1 485 #define MACB_TX_PAUSE_ZERO_OFFSET 3 486 #define MACB_TX_PAUSE_ZERO_SIZE 1 487 488 /* Bitfields in USRIO (AT91) */ 489 #define MACB_RMII_OFFSET 0 490 #define MACB_RMII_SIZE 1 491 #define GEM_RGMII_OFFSET 0 /* GEM gigabit mode */ 492 #define GEM_RGMII_SIZE 1 493 #define MACB_CLKEN_OFFSET 1 494 #define MACB_CLKEN_SIZE 1 495 496 /* Bitfields in WOL */ 497 #define MACB_IP_OFFSET 0 498 #define MACB_IP_SIZE 16 499 #define MACB_MAG_OFFSET 16 500 #define MACB_MAG_SIZE 1 501 #define MACB_ARP_OFFSET 17 502 #define MACB_ARP_SIZE 1 503 #define MACB_SA1_OFFSET 18 504 #define MACB_SA1_SIZE 1 505 #define MACB_WOL_MTI_OFFSET 19 506 #define MACB_WOL_MTI_SIZE 1 507 508 /* Bitfields in MID */ 509 #define MACB_IDNUM_OFFSET 16 510 #define MACB_IDNUM_SIZE 12 511 #define MACB_REV_OFFSET 0 512 #define MACB_REV_SIZE 16 513 514 /* Bitfield in HS_MAC_CONFIG */ 515 #define GEM_HS_MAC_SPEED_OFFSET 0 516 #define GEM_HS_MAC_SPEED_SIZE 3 517 518 /* Bitfields in PCSCNTRL */ 519 #define GEM_PCSAUTONEG_OFFSET 12 520 #define GEM_PCSAUTONEG_SIZE 1 521 522 /* Bitfields in DCFG1. */ 523 #define GEM_IRQCOR_OFFSET 23 524 #define GEM_IRQCOR_SIZE 1 525 #define GEM_DBWDEF_OFFSET 25 526 #define GEM_DBWDEF_SIZE 3 527 #define GEM_USERIO_OFFSET 9 528 #define GEM_USERIO_SIZE 1 529 #define GEM_NO_PCS_OFFSET 0 530 #define GEM_NO_PCS_SIZE 1 531 532 /* Bitfields in DCFG2. */ 533 #define GEM_RX_PKT_BUFF_OFFSET 20 534 #define GEM_RX_PKT_BUFF_SIZE 1 535 #define GEM_TX_PKT_BUFF_OFFSET 21 536 #define GEM_TX_PKT_BUFF_SIZE 1 537 538 #define GEM_RX_PBUF_ADDR_OFFSET 22 539 #define GEM_RX_PBUF_ADDR_SIZE 4 540 541 /* Bitfields in DCFG5. */ 542 #define GEM_TSU_OFFSET 8 543 #define GEM_TSU_SIZE 1 544 545 /* Bitfields in DCFG6. */ 546 #define GEM_PBUF_LSO_OFFSET 27 547 #define GEM_PBUF_LSO_SIZE 1 548 #define GEM_PBUF_RSC_OFFSET 26 549 #define GEM_PBUF_RSC_SIZE 1 550 #define GEM_PBUF_CUTTHRU_OFFSET 25 551 #define GEM_PBUF_CUTTHRU_SIZE 1 552 #define GEM_DAW64_OFFSET 23 553 #define GEM_DAW64_SIZE 1 554 555 /* Bitfields in DCFG8. */ 556 #define GEM_T1SCR_OFFSET 24 557 #define GEM_T1SCR_SIZE 8 558 #define GEM_T2SCR_OFFSET 16 559 #define GEM_T2SCR_SIZE 8 560 #define GEM_SCR2ETH_OFFSET 8 561 #define GEM_SCR2ETH_SIZE 8 562 #define GEM_SCR2CMP_OFFSET 0 563 #define GEM_SCR2CMP_SIZE 8 564 565 /* Bitfields in DCFG10 */ 566 #define GEM_TXBD_RDBUFF_OFFSET 12 567 #define GEM_TXBD_RDBUFF_SIZE 4 568 #define GEM_RXBD_RDBUFF_OFFSET 8 569 #define GEM_RXBD_RDBUFF_SIZE 4 570 571 /* Bitfields in DCFG12. */ 572 #define GEM_HIGH_SPEED_OFFSET 26 573 #define GEM_HIGH_SPEED_SIZE 1 574 575 /* Bitfields in ENST_START_TIME_Qx. */ 576 #define GEM_START_TIME_SEC_OFFSET 30 577 #define GEM_START_TIME_SEC_SIZE 2 578 #define GEM_START_TIME_NSEC_OFFSET 0 579 #define GEM_START_TIME_NSEC_SIZE 30 580 581 /* Bitfields in ENST_ON_TIME_Qx. */ 582 #define GEM_ON_TIME_OFFSET 0 583 #define GEM_ON_TIME_SIZE 17 584 585 /* Bitfields in ENST_OFF_TIME_Qx. */ 586 #define GEM_OFF_TIME_OFFSET 0 587 #define GEM_OFF_TIME_SIZE 17 588 589 /* Hardware ENST timing registers granularity */ 590 #define ENST_TIME_GRANULARITY_NS 8 591 592 /* Bitfields in USX_CONTROL. */ 593 #define GEM_USX_CTRL_SPEED_OFFSET 14 594 #define GEM_USX_CTRL_SPEED_SIZE 3 595 #define GEM_SERDES_RATE_OFFSET 12 596 #define GEM_SERDES_RATE_SIZE 2 597 #define GEM_RX_SCR_BYPASS_OFFSET 9 598 #define GEM_RX_SCR_BYPASS_SIZE 1 599 #define GEM_TX_SCR_BYPASS_OFFSET 8 600 #define GEM_TX_SCR_BYPASS_SIZE 1 601 #define GEM_TX_EN_OFFSET 1 602 #define GEM_TX_EN_SIZE 1 603 #define GEM_SIGNAL_OK_OFFSET 0 604 #define GEM_SIGNAL_OK_SIZE 1 605 606 /* Bitfields in USX_STATUS. */ 607 #define GEM_USX_BLOCK_LOCK_OFFSET 0 608 #define GEM_USX_BLOCK_LOCK_SIZE 1 609 610 /* Bitfields in TISUBN */ 611 #define GEM_SUBNSINCR_OFFSET 0 612 #define GEM_SUBNSINCRL_OFFSET 24 613 #define GEM_SUBNSINCRL_SIZE 8 614 #define GEM_SUBNSINCRH_OFFSET 0 615 #define GEM_SUBNSINCRH_SIZE 16 616 #define GEM_SUBNSINCR_SIZE 24 617 618 /* Bitfields in TI */ 619 #define GEM_NSINCR_OFFSET 0 620 #define GEM_NSINCR_SIZE 8 621 622 /* Bitfields in TSH */ 623 #define GEM_TSH_OFFSET 0 /* TSU timer value (s). MSB [47:32] of seconds timer count */ 624 #define GEM_TSH_SIZE 16 625 626 /* Bitfields in TSL */ 627 #define GEM_TSL_OFFSET 0 /* TSU timer value (s). LSB [31:0] of seconds timer count */ 628 #define GEM_TSL_SIZE 32 629 630 /* Bitfields in TN */ 631 #define GEM_TN_OFFSET 0 /* TSU timer value (ns) */ 632 #define GEM_TN_SIZE 30 633 634 /* Bitfields in TXBDCTRL */ 635 #define GEM_TXTSMODE_OFFSET 4 /* TX Descriptor Timestamp Insertion mode */ 636 #define GEM_TXTSMODE_SIZE 2 637 638 /* Bitfields in RXBDCTRL */ 639 #define GEM_RXTSMODE_OFFSET 4 /* RX Descriptor Timestamp Insertion mode */ 640 #define GEM_RXTSMODE_SIZE 2 641 642 /* Bitfields in SCRT2 */ 643 #define GEM_QUEUE_OFFSET 0 /* Queue Number */ 644 #define GEM_QUEUE_SIZE 4 645 #define GEM_VLANPR_OFFSET 4 /* VLAN Priority */ 646 #define GEM_VLANPR_SIZE 3 647 #define GEM_VLANEN_OFFSET 8 /* VLAN Enable */ 648 #define GEM_VLANEN_SIZE 1 649 #define GEM_ETHT2IDX_OFFSET 9 /* Index to screener type 2 EtherType register */ 650 #define GEM_ETHT2IDX_SIZE 3 651 #define GEM_ETHTEN_OFFSET 12 /* EtherType Enable */ 652 #define GEM_ETHTEN_SIZE 1 653 #define GEM_CMPA_OFFSET 13 /* Compare A - Index to screener type 2 Compare register */ 654 #define GEM_CMPA_SIZE 5 655 #define GEM_CMPAEN_OFFSET 18 /* Compare A Enable */ 656 #define GEM_CMPAEN_SIZE 1 657 #define GEM_CMPB_OFFSET 19 /* Compare B - Index to screener type 2 Compare register */ 658 #define GEM_CMPB_SIZE 5 659 #define GEM_CMPBEN_OFFSET 24 /* Compare B Enable */ 660 #define GEM_CMPBEN_SIZE 1 661 #define GEM_CMPC_OFFSET 25 /* Compare C - Index to screener type 2 Compare register */ 662 #define GEM_CMPC_SIZE 5 663 #define GEM_CMPCEN_OFFSET 30 /* Compare C Enable */ 664 #define GEM_CMPCEN_SIZE 1 665 666 /* Bitfields in ETHT */ 667 #define GEM_ETHTCMP_OFFSET 0 /* EtherType compare value */ 668 #define GEM_ETHTCMP_SIZE 16 669 670 /* Bitfields in T2CMPW0 */ 671 #define GEM_T2CMP_OFFSET 16 /* 0xFFFF0000 compare value */ 672 #define GEM_T2CMP_SIZE 16 673 #define GEM_T2MASK_OFFSET 0 /* 0x0000FFFF compare value or mask */ 674 #define GEM_T2MASK_SIZE 16 675 676 /* Bitfields in T2CMPW1 */ 677 #define GEM_T2DISMSK_OFFSET 9 /* disable mask */ 678 #define GEM_T2DISMSK_SIZE 1 679 #define GEM_T2CMPOFST_OFFSET 7 /* compare offset */ 680 #define GEM_T2CMPOFST_SIZE 2 681 #define GEM_T2OFST_OFFSET 0 /* offset value */ 682 #define GEM_T2OFST_SIZE 7 683 684 /* Bitfields in queue pointer registers */ 685 #define MACB_QUEUE_DISABLE_OFFSET 0 /* disable queue */ 686 #define MACB_QUEUE_DISABLE_SIZE 1 687 688 /* Offset for screener type 2 compare values (T2CMPOFST). 689 * Note the offset is applied after the specified point, 690 * e.g. GEM_T2COMPOFST_ETYPE denotes the EtherType field, so an offset 691 * of 12 bytes from this would be the source IP address in an IP header 692 */ 693 #define GEM_T2COMPOFST_SOF 0 694 #define GEM_T2COMPOFST_ETYPE 1 695 #define GEM_T2COMPOFST_IPHDR 2 696 #define GEM_T2COMPOFST_TCPUDP 3 697 698 /* offset from EtherType to IP address */ 699 #define ETYPE_SRCIP_OFFSET 12 700 #define ETYPE_DSTIP_OFFSET 16 701 702 /* offset from IP header to port */ 703 #define IPHDR_SRCPORT_OFFSET 0 704 #define IPHDR_DSTPORT_OFFSET 2 705 706 /* Transmit DMA buffer descriptor Word 1 */ 707 #define GEM_DMA_TXVALID_OFFSET 23 /* timestamp has been captured in the Buffer Descriptor */ 708 #define GEM_DMA_TXVALID_SIZE 1 709 710 /* Receive DMA buffer descriptor Word 0 */ 711 #define GEM_DMA_RXVALID_OFFSET 2 /* indicates a valid timestamp in the Buffer Descriptor */ 712 #define GEM_DMA_RXVALID_SIZE 1 713 714 /* DMA buffer descriptor Word 2 (32 bit addressing) or Word 4 (64 bit addressing) */ 715 #define GEM_DMA_SECL_OFFSET 30 /* Timestamp seconds[1:0] */ 716 #define GEM_DMA_SECL_SIZE 2 717 #define GEM_DMA_NSEC_OFFSET 0 /* Timestamp nanosecs [29:0] */ 718 #define GEM_DMA_NSEC_SIZE 30 719 720 /* DMA buffer descriptor Word 3 (32 bit addressing) or Word 5 (64 bit addressing) */ 721 722 /* New hardware supports 12 bit precision of timestamp in DMA buffer descriptor. 723 * Old hardware supports only 6 bit precision but it is enough for PTP. 724 * Less accuracy is used always instead of checking hardware version. 725 */ 726 #define GEM_DMA_SECH_OFFSET 0 /* Timestamp seconds[5:2] */ 727 #define GEM_DMA_SECH_SIZE 4 728 #define GEM_DMA_SEC_WIDTH (GEM_DMA_SECH_SIZE + GEM_DMA_SECL_SIZE) 729 #define GEM_DMA_SEC_TOP (1 << GEM_DMA_SEC_WIDTH) 730 #define GEM_DMA_SEC_MASK (GEM_DMA_SEC_TOP - 1) 731 732 /* Bitfields in ADJ */ 733 #define GEM_ADDSUB_OFFSET 31 734 #define GEM_ADDSUB_SIZE 1 735 /* Constants for CLK */ 736 #define MACB_CLK_DIV8 0 737 #define MACB_CLK_DIV16 1 738 #define MACB_CLK_DIV32 2 739 #define MACB_CLK_DIV64 3 740 741 /* GEM specific constants for CLK. */ 742 #define GEM_CLK_DIV8 0 743 #define GEM_CLK_DIV16 1 744 #define GEM_CLK_DIV32 2 745 #define GEM_CLK_DIV48 3 746 #define GEM_CLK_DIV64 4 747 #define GEM_CLK_DIV96 5 748 #define GEM_CLK_DIV128 6 749 #define GEM_CLK_DIV224 7 750 751 /* Constants for MAN register */ 752 #define MACB_MAN_C22_SOF 1 753 #define MACB_MAN_C22_WRITE 1 754 #define MACB_MAN_C22_READ 2 755 #define MACB_MAN_C22_CODE 2 756 757 #define MACB_MAN_C45_SOF 0 758 #define MACB_MAN_C45_ADDR 0 759 #define MACB_MAN_C45_WRITE 1 760 #define MACB_MAN_C45_POST_READ_INCR 2 761 #define MACB_MAN_C45_READ 3 762 #define MACB_MAN_C45_CODE 2 763 764 /* Capability mask bits */ 765 #define MACB_CAPS_ISR_CLEAR_ON_WRITE BIT(0) 766 #define MACB_CAPS_USRIO_HAS_CLKEN BIT(1) 767 #define MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII BIT(2) 768 #define MACB_CAPS_NO_GIGABIT_HALF BIT(3) 769 #define MACB_CAPS_USRIO_DISABLED BIT(4) 770 #define MACB_CAPS_JUMBO BIT(5) 771 #define MACB_CAPS_GEM_HAS_PTP BIT(6) 772 #define MACB_CAPS_BD_RD_PREFETCH BIT(7) 773 #define MACB_CAPS_NEEDS_RSTONUBR BIT(8) 774 #define MACB_CAPS_MIIONRGMII BIT(9) 775 #define MACB_CAPS_NEED_TSUCLK BIT(10) 776 #define MACB_CAPS_QUEUE_DISABLE BIT(11) 777 #define MACB_CAPS_QBV BIT(12) 778 #define MACB_CAPS_PCS BIT(13) 779 #define MACB_CAPS_HIGH_SPEED BIT(14) 780 #define MACB_CAPS_CLK_HW_CHG BIT(15) 781 #define MACB_CAPS_MACB_IS_EMAC BIT(16) 782 #define MACB_CAPS_FIFO_MODE BIT(17) 783 #define MACB_CAPS_GIGABIT_MODE_AVAILABLE BIT(18) 784 #define MACB_CAPS_SG_DISABLED BIT(19) 785 #define MACB_CAPS_MACB_IS_GEM BIT(20) 786 #define MACB_CAPS_DMA_64B BIT(21) 787 #define MACB_CAPS_DMA_PTP BIT(22) 788 #define MACB_CAPS_RSC BIT(23) 789 #define MACB_CAPS_NO_LSO BIT(24) 790 #define MACB_CAPS_EEE BIT(25) 791 #define MACB_CAPS_USRIO_HAS_MII BIT(26) 792 #define MACB_CAPS_USRIO_HAS_REFCLK_SOURCE BIT(27) 793 #define MACB_CAPS_USRIO_HAS_TSUCLK_SOURCE BIT(28) 794 795 /* LSO settings */ 796 #define MACB_LSO_UFO_ENABLE 0x01 797 #define MACB_LSO_TSO_ENABLE 0x02 798 799 /* Bit manipulation macros */ 800 #define MACB_BIT(name) \ 801 (1 << MACB_##name##_OFFSET) 802 #define MACB_BF(name,value) \ 803 (((value) & ((1 << MACB_##name##_SIZE) - 1)) \ 804 << MACB_##name##_OFFSET) 805 #define MACB_BFEXT(name,value)\ 806 (((value) >> MACB_##name##_OFFSET) \ 807 & ((1 << MACB_##name##_SIZE) - 1)) 808 #define MACB_BFINS(name,value,old) \ 809 (((old) & ~(((1 << MACB_##name##_SIZE) - 1) \ 810 << MACB_##name##_OFFSET)) \ 811 | MACB_BF(name,value)) 812 813 #define GEM_BIT(name) \ 814 (1 << GEM_##name##_OFFSET) 815 #define GEM_BF(name, value) \ 816 (((value) & ((1 << GEM_##name##_SIZE) - 1)) \ 817 << GEM_##name##_OFFSET) 818 #define GEM_BFEXT(name, value)\ 819 (((value) >> GEM_##name##_OFFSET) \ 820 & ((1 << GEM_##name##_SIZE) - 1)) 821 #define GEM_BFINS(name, value, old) \ 822 (((old) & ~(((1 << GEM_##name##_SIZE) - 1) \ 823 << GEM_##name##_OFFSET)) \ 824 | GEM_BF(name, value)) 825 826 /* Register access macros */ 827 #define macb_readl(port, reg) (port)->macb_reg_readl((port), MACB_##reg) 828 #define macb_writel(port, reg, value) (port)->macb_reg_writel((port), MACB_##reg, (value)) 829 #define gem_readl(port, reg) (port)->macb_reg_readl((port), GEM_##reg) 830 #define gem_writel(port, reg, value) (port)->macb_reg_writel((port), GEM_##reg, (value)) 831 #define queue_readl(queue, reg) (queue)->bp->macb_reg_readl((queue)->bp, (queue)->reg) 832 #define queue_writel(queue, reg, value) (queue)->bp->macb_reg_writel((queue)->bp, (queue)->reg, (value)) 833 #define gem_readl_n(port, reg, idx) (port)->macb_reg_readl((port), GEM_##reg + idx * 4) 834 #define gem_writel_n(port, reg, idx, value) (port)->macb_reg_writel((port), GEM_##reg + idx * 4, (value)) 835 836 /* Conditional GEM/MACB macros. These perform the operation to the correct 837 * register dependent on whether the device is a GEM or a MACB. For registers 838 * and bitfields that are common across both devices, use macb_{read,write}l 839 * to avoid the cost of the conditional. 840 */ 841 #define macb_or_gem_writel(__bp, __reg, __value) \ 842 ({ \ 843 if (macb_is_gem((__bp))) \ 844 gem_writel((__bp), __reg, __value); \ 845 else \ 846 macb_writel((__bp), __reg, __value); \ 847 }) 848 849 #define macb_or_gem_readl(__bp, __reg) \ 850 ({ \ 851 u32 __v; \ 852 if (macb_is_gem((__bp))) \ 853 __v = gem_readl((__bp), __reg); \ 854 else \ 855 __v = macb_readl((__bp), __reg); \ 856 __v; \ 857 }) 858 859 #define MACB_READ_NSR(bp) macb_readl(bp, NSR) 860 861 /* struct macb_dma_desc - Hardware DMA descriptor 862 * @addr: DMA address of data buffer 863 * @ctrl: Control and status bits 864 */ 865 struct macb_dma_desc { 866 u32 addr; 867 u32 ctrl; 868 }; 869 870 struct macb_dma_desc_64 { 871 u32 addrh; 872 u32 resvd; 873 }; 874 875 struct macb_dma_desc_ptp { 876 u32 ts_1; 877 u32 ts_2; 878 }; 879 880 /* DMA descriptor bitfields */ 881 #define MACB_RX_USED_OFFSET 0 882 #define MACB_RX_USED_SIZE 1 883 #define MACB_RX_WRAP_OFFSET 1 884 #define MACB_RX_WRAP_SIZE 1 885 #define MACB_RX_WADDR_OFFSET 2 886 #define MACB_RX_WADDR_SIZE 30 887 888 #define MACB_RX_FRMLEN_OFFSET 0 889 #define MACB_RX_FRMLEN_SIZE 12 890 #define MACB_RX_OFFSET_OFFSET 12 891 #define MACB_RX_OFFSET_SIZE 2 892 #define MACB_RX_SOF_OFFSET 14 893 #define MACB_RX_SOF_SIZE 1 894 #define MACB_RX_EOF_OFFSET 15 895 #define MACB_RX_EOF_SIZE 1 896 #define MACB_RX_CFI_OFFSET 16 897 #define MACB_RX_CFI_SIZE 1 898 #define MACB_RX_VLAN_PRI_OFFSET 17 899 #define MACB_RX_VLAN_PRI_SIZE 3 900 #define MACB_RX_PRI_TAG_OFFSET 20 901 #define MACB_RX_PRI_TAG_SIZE 1 902 #define MACB_RX_VLAN_TAG_OFFSET 21 903 #define MACB_RX_VLAN_TAG_SIZE 1 904 #define MACB_RX_TYPEID_MATCH_OFFSET 22 905 #define MACB_RX_TYPEID_MATCH_SIZE 1 906 #define MACB_RX_SA4_MATCH_OFFSET 23 907 #define MACB_RX_SA4_MATCH_SIZE 1 908 #define MACB_RX_SA3_MATCH_OFFSET 24 909 #define MACB_RX_SA3_MATCH_SIZE 1 910 #define MACB_RX_SA2_MATCH_OFFSET 25 911 #define MACB_RX_SA2_MATCH_SIZE 1 912 #define MACB_RX_SA1_MATCH_OFFSET 26 913 #define MACB_RX_SA1_MATCH_SIZE 1 914 #define MACB_RX_EXT_MATCH_OFFSET 28 915 #define MACB_RX_EXT_MATCH_SIZE 1 916 #define MACB_RX_UHASH_MATCH_OFFSET 29 917 #define MACB_RX_UHASH_MATCH_SIZE 1 918 #define MACB_RX_MHASH_MATCH_OFFSET 30 919 #define MACB_RX_MHASH_MATCH_SIZE 1 920 #define MACB_RX_BROADCAST_OFFSET 31 921 #define MACB_RX_BROADCAST_SIZE 1 922 923 #define MACB_RX_FRMLEN_MASK 0xFFF 924 #define MACB_RX_JFRMLEN_MASK 0x3FFF 925 926 /* RX checksum offload disabled: bit 24 clear in NCFGR */ 927 #define GEM_RX_TYPEID_MATCH_OFFSET 22 928 #define GEM_RX_TYPEID_MATCH_SIZE 2 929 930 /* RX checksum offload enabled: bit 24 set in NCFGR */ 931 #define GEM_RX_CSUM_OFFSET 22 932 #define GEM_RX_CSUM_SIZE 2 933 934 #define MACB_TX_FRMLEN_OFFSET 0 935 #define MACB_TX_FRMLEN_SIZE 11 936 #define MACB_TX_LAST_OFFSET 15 937 #define MACB_TX_LAST_SIZE 1 938 #define MACB_TX_NOCRC_OFFSET 16 939 #define MACB_TX_NOCRC_SIZE 1 940 #define MACB_MSS_MFS_OFFSET 16 941 #define MACB_MSS_MFS_SIZE 14 942 #define MACB_TX_LSO_OFFSET 17 943 #define MACB_TX_LSO_SIZE 2 944 #define MACB_TX_TCP_SEQ_SRC_OFFSET 19 945 #define MACB_TX_TCP_SEQ_SRC_SIZE 1 946 #define MACB_TX_BUF_EXHAUSTED_OFFSET 27 947 #define MACB_TX_BUF_EXHAUSTED_SIZE 1 948 #define MACB_TX_UNDERRUN_OFFSET 28 949 #define MACB_TX_UNDERRUN_SIZE 1 950 #define MACB_TX_ERROR_OFFSET 29 951 #define MACB_TX_ERROR_SIZE 1 952 #define MACB_TX_WRAP_OFFSET 30 953 #define MACB_TX_WRAP_SIZE 1 954 #define MACB_TX_USED_OFFSET 31 955 #define MACB_TX_USED_SIZE 1 956 957 #define GEM_TX_FRMLEN_OFFSET 0 958 #define GEM_TX_FRMLEN_SIZE 14 959 960 /* Buffer descriptor constants */ 961 #define GEM_RX_CSUM_NONE 0 962 #define GEM_RX_CSUM_IP_ONLY 1 963 #define GEM_RX_CSUM_IP_TCP 2 964 #define GEM_RX_CSUM_IP_UDP 3 965 966 /* limit RX checksum offload to TCP and UDP packets */ 967 #define GEM_RX_CSUM_CHECKED_MASK 2 968 969 /* Scaled PPM fraction */ 970 #define PPM_FRACTION 16 971 972 /* struct macb_tx_skb - data about an skb which is being transmitted 973 * @skb: skb currently being transmitted, only set for the last buffer 974 * of the frame 975 * @mapping: DMA address of the skb's fragment buffer 976 * @size: size of the DMA mapped buffer 977 * @mapped_as_page: true when buffer was mapped with skb_frag_dma_map(), 978 * false when buffer was mapped with dma_map_single() 979 */ 980 struct macb_tx_skb { 981 struct sk_buff *skb; 982 dma_addr_t mapping; 983 size_t size; 984 bool mapped_as_page; 985 }; 986 987 /* Hardware-collected statistics. Used when updating the network 988 * device stats by a periodic timer. 989 */ 990 struct macb_stats { 991 u64 rx_pause_frames; 992 u64 tx_ok; 993 u64 tx_single_cols; 994 u64 tx_multiple_cols; 995 u64 rx_ok; 996 u64 rx_fcs_errors; 997 u64 rx_align_errors; 998 u64 tx_deferred; 999 u64 tx_late_cols; 1000 u64 tx_excessive_cols; 1001 u64 tx_underruns; 1002 u64 tx_carrier_errors; 1003 u64 rx_resource_errors; 1004 u64 rx_overruns; 1005 u64 rx_symbol_errors; 1006 u64 rx_oversize_pkts; 1007 u64 rx_jabbers; 1008 u64 rx_undersize_pkts; 1009 u64 sqe_test_errors; 1010 u64 rx_length_mismatch; 1011 u64 tx_pause_frames; 1012 }; 1013 1014 struct gem_stats { 1015 u64 tx_octets; 1016 u64 tx_frames; 1017 u64 tx_broadcast_frames; 1018 u64 tx_multicast_frames; 1019 u64 tx_pause_frames; 1020 u64 tx_64_byte_frames; 1021 u64 tx_65_127_byte_frames; 1022 u64 tx_128_255_byte_frames; 1023 u64 tx_256_511_byte_frames; 1024 u64 tx_512_1023_byte_frames; 1025 u64 tx_1024_1518_byte_frames; 1026 u64 tx_greater_than_1518_byte_frames; 1027 u64 tx_underrun; 1028 u64 tx_single_collision_frames; 1029 u64 tx_multiple_collision_frames; 1030 u64 tx_excessive_collisions; 1031 u64 tx_late_collisions; 1032 u64 tx_deferred_frames; 1033 u64 tx_carrier_sense_errors; 1034 u64 rx_octets; 1035 u64 rx_frames; 1036 u64 rx_broadcast_frames; 1037 u64 rx_multicast_frames; 1038 u64 rx_pause_frames; 1039 u64 rx_64_byte_frames; 1040 u64 rx_65_127_byte_frames; 1041 u64 rx_128_255_byte_frames; 1042 u64 rx_256_511_byte_frames; 1043 u64 rx_512_1023_byte_frames; 1044 u64 rx_1024_1518_byte_frames; 1045 u64 rx_greater_than_1518_byte_frames; 1046 u64 rx_undersized_frames; 1047 u64 rx_oversize_frames; 1048 u64 rx_jabbers; 1049 u64 rx_frame_check_sequence_errors; 1050 u64 rx_length_field_frame_errors; 1051 u64 rx_symbol_errors; 1052 u64 rx_alignment_errors; 1053 u64 rx_resource_errors; 1054 u64 rx_overruns; 1055 u64 rx_ip_header_checksum_errors; 1056 u64 rx_tcp_checksum_errors; 1057 u64 rx_udp_checksum_errors; 1058 u64 rx_lpi_transitions; 1059 u64 rx_lpi_time; 1060 u64 tx_lpi_transitions; 1061 u64 tx_lpi_time; 1062 }; 1063 1064 /* Describes the name and offset of an individual statistic register, as 1065 * returned by `ethtool -S`. Also describes which net_device_stats statistics 1066 * this register should contribute to. 1067 */ 1068 struct gem_statistic { 1069 char stat_string[ETH_GSTRING_LEN] __nonstring; 1070 int offset; 1071 u32 stat_bits; 1072 }; 1073 1074 /* Bitfield defs for net_device_stat statistics */ 1075 #define GEM_NDS_RXERR_OFFSET 0 1076 #define GEM_NDS_RXLENERR_OFFSET 1 1077 #define GEM_NDS_RXOVERERR_OFFSET 2 1078 #define GEM_NDS_RXCRCERR_OFFSET 3 1079 #define GEM_NDS_RXFRAMEERR_OFFSET 4 1080 #define GEM_NDS_RXFIFOERR_OFFSET 5 1081 #define GEM_NDS_TXERR_OFFSET 6 1082 #define GEM_NDS_TXABORTEDERR_OFFSET 7 1083 #define GEM_NDS_TXCARRIERERR_OFFSET 8 1084 #define GEM_NDS_TXFIFOERR_OFFSET 9 1085 #define GEM_NDS_COLLISIONS_OFFSET 10 1086 1087 #define GEM_STAT_TITLE(name, title) GEM_STAT_TITLE_BITS(name, title, 0) 1088 #define GEM_STAT_TITLE_BITS(name, title, bits) { \ 1089 .stat_string = title, \ 1090 .offset = GEM_##name, \ 1091 .stat_bits = bits \ 1092 } 1093 1094 /* list of gem statistic registers. The names MUST match the 1095 * corresponding GEM_* definitions. 1096 */ 1097 static const struct gem_statistic gem_statistics[] = { 1098 GEM_STAT_TITLE(OCTTXL, "tx_octets"), /* OCTTXH combined with OCTTXL */ 1099 GEM_STAT_TITLE(TXCNT, "tx_frames"), 1100 GEM_STAT_TITLE(TXBCCNT, "tx_broadcast_frames"), 1101 GEM_STAT_TITLE(TXMCCNT, "tx_multicast_frames"), 1102 GEM_STAT_TITLE(TXPAUSECNT, "tx_pause_frames"), 1103 GEM_STAT_TITLE(TX64CNT, "tx_64_byte_frames"), 1104 GEM_STAT_TITLE(TX65CNT, "tx_65_127_byte_frames"), 1105 GEM_STAT_TITLE(TX128CNT, "tx_128_255_byte_frames"), 1106 GEM_STAT_TITLE(TX256CNT, "tx_256_511_byte_frames"), 1107 GEM_STAT_TITLE(TX512CNT, "tx_512_1023_byte_frames"), 1108 GEM_STAT_TITLE(TX1024CNT, "tx_1024_1518_byte_frames"), 1109 GEM_STAT_TITLE(TX1519CNT, "tx_greater_than_1518_byte_frames"), 1110 GEM_STAT_TITLE_BITS(TXURUNCNT, "tx_underrun", 1111 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_TXFIFOERR)), 1112 GEM_STAT_TITLE_BITS(SNGLCOLLCNT, "tx_single_collision_frames", 1113 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), 1114 GEM_STAT_TITLE_BITS(MULTICOLLCNT, "tx_multiple_collision_frames", 1115 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), 1116 GEM_STAT_TITLE_BITS(EXCESSCOLLCNT, "tx_excessive_collisions", 1117 GEM_BIT(NDS_TXERR)| 1118 GEM_BIT(NDS_TXABORTEDERR)| 1119 GEM_BIT(NDS_COLLISIONS)), 1120 GEM_STAT_TITLE_BITS(LATECOLLCNT, "tx_late_collisions", 1121 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), 1122 GEM_STAT_TITLE(TXDEFERCNT, "tx_deferred_frames"), 1123 GEM_STAT_TITLE_BITS(TXCSENSECNT, "tx_carrier_sense_errors", 1124 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), 1125 GEM_STAT_TITLE(OCTRXL, "rx_octets"), /* OCTRXH combined with OCTRXL */ 1126 GEM_STAT_TITLE(RXCNT, "rx_frames"), 1127 GEM_STAT_TITLE(RXBROADCNT, "rx_broadcast_frames"), 1128 GEM_STAT_TITLE(RXMULTICNT, "rx_multicast_frames"), 1129 GEM_STAT_TITLE(RXPAUSECNT, "rx_pause_frames"), 1130 GEM_STAT_TITLE(RX64CNT, "rx_64_byte_frames"), 1131 GEM_STAT_TITLE(RX65CNT, "rx_65_127_byte_frames"), 1132 GEM_STAT_TITLE(RX128CNT, "rx_128_255_byte_frames"), 1133 GEM_STAT_TITLE(RX256CNT, "rx_256_511_byte_frames"), 1134 GEM_STAT_TITLE(RX512CNT, "rx_512_1023_byte_frames"), 1135 GEM_STAT_TITLE(RX1024CNT, "rx_1024_1518_byte_frames"), 1136 GEM_STAT_TITLE(RX1519CNT, "rx_greater_than_1518_byte_frames"), 1137 GEM_STAT_TITLE_BITS(RXUNDRCNT, "rx_undersized_frames", 1138 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), 1139 GEM_STAT_TITLE_BITS(RXOVRCNT, "rx_oversize_frames", 1140 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), 1141 GEM_STAT_TITLE_BITS(RXJABCNT, "rx_jabbers", 1142 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), 1143 GEM_STAT_TITLE_BITS(RXFCSCNT, "rx_frame_check_sequence_errors", 1144 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXCRCERR)), 1145 GEM_STAT_TITLE_BITS(RXLENGTHCNT, "rx_length_field_frame_errors", 1146 GEM_BIT(NDS_RXERR)), 1147 GEM_STAT_TITLE_BITS(RXSYMBCNT, "rx_symbol_errors", 1148 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFRAMEERR)), 1149 GEM_STAT_TITLE_BITS(RXALIGNCNT, "rx_alignment_errors", 1150 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)), 1151 GEM_STAT_TITLE_BITS(RXRESERRCNT, "rx_resource_errors", 1152 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)), 1153 GEM_STAT_TITLE_BITS(RXORCNT, "rx_overruns", 1154 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFIFOERR)), 1155 GEM_STAT_TITLE_BITS(RXIPCCNT, "rx_ip_header_checksum_errors", 1156 GEM_BIT(NDS_RXERR)), 1157 GEM_STAT_TITLE_BITS(RXTCPCCNT, "rx_tcp_checksum_errors", 1158 GEM_BIT(NDS_RXERR)), 1159 GEM_STAT_TITLE_BITS(RXUDPCCNT, "rx_udp_checksum_errors", 1160 GEM_BIT(NDS_RXERR)), 1161 GEM_STAT_TITLE(RXLPI, "rx_lpi_transitions"), 1162 GEM_STAT_TITLE(RXLPITIME, "rx_lpi_time"), 1163 GEM_STAT_TITLE(TXLPI, "tx_lpi_transitions"), 1164 GEM_STAT_TITLE(TXLPITIME, "tx_lpi_time"), 1165 }; 1166 1167 #define GEM_STATS_LEN ARRAY_SIZE(gem_statistics) 1168 1169 #define QUEUE_STAT_TITLE(title) { \ 1170 .stat_string = title, \ 1171 } 1172 1173 /* per queue statistics, each should be unsigned long type */ 1174 struct queue_stats { 1175 union { 1176 unsigned long first; 1177 unsigned long rx_packets; 1178 }; 1179 unsigned long rx_bytes; 1180 unsigned long rx_dropped; 1181 unsigned long tx_packets; 1182 unsigned long tx_bytes; 1183 unsigned long tx_dropped; 1184 }; 1185 1186 static const struct gem_statistic queue_statistics[] = { 1187 QUEUE_STAT_TITLE("rx_packets"), 1188 QUEUE_STAT_TITLE("rx_bytes"), 1189 QUEUE_STAT_TITLE("rx_dropped"), 1190 QUEUE_STAT_TITLE("tx_packets"), 1191 QUEUE_STAT_TITLE("tx_bytes"), 1192 QUEUE_STAT_TITLE("tx_dropped"), 1193 }; 1194 1195 #define QUEUE_STATS_LEN ARRAY_SIZE(queue_statistics) 1196 1197 struct macb; 1198 struct macb_queue; 1199 1200 struct macb_or_gem_ops { 1201 int (*mog_alloc_rx_buffers)(struct macb *bp); 1202 void (*mog_free_rx_buffers)(struct macb *bp); 1203 void (*mog_init_rings)(struct macb *bp); 1204 int (*mog_rx)(struct macb_queue *queue, struct napi_struct *napi, 1205 int budget); 1206 }; 1207 1208 /* MACB-PTP interface: adapt to platform needs. */ 1209 struct macb_ptp_info { 1210 void (*ptp_init)(struct net_device *ndev); 1211 void (*ptp_remove)(struct net_device *ndev); 1212 s32 (*get_ptp_max_adj)(void); 1213 unsigned int (*get_tsu_rate)(struct macb *bp); 1214 int (*get_ts_info)(struct net_device *dev, 1215 struct kernel_ethtool_ts_info *info); 1216 int (*get_hwtst)(struct net_device *netdev, 1217 struct kernel_hwtstamp_config *tstamp_config); 1218 int (*set_hwtst)(struct net_device *netdev, 1219 struct kernel_hwtstamp_config *tstamp_config, 1220 struct netlink_ext_ack *extack); 1221 }; 1222 1223 struct macb_pm_data { 1224 u32 scrt2; 1225 u32 usrio; 1226 }; 1227 1228 struct macb_usrio_config { 1229 u32 mii; 1230 u32 rmii; 1231 u32 rgmii; 1232 u32 refclk; 1233 u32 clken; 1234 u32 hdfctlen; 1235 u32 tsu_source; 1236 bool refclk_default_external; 1237 }; 1238 1239 struct macb_config { 1240 u32 caps; 1241 unsigned int dma_burst_length; 1242 int (*clk_init)(struct platform_device *pdev, struct clk **pclk, 1243 struct clk **hclk, struct clk **tx_clk, 1244 struct clk **rx_clk, struct clk **tsu_clk); 1245 int (*init)(struct platform_device *pdev); 1246 unsigned int max_tx_length; 1247 int jumbo_max_len; 1248 const struct macb_usrio_config *usrio; 1249 }; 1250 1251 struct tsu_incr { 1252 u32 sub_ns; 1253 u32 ns; 1254 }; 1255 1256 struct macb_queue { 1257 struct macb *bp; 1258 int irq; 1259 1260 unsigned int ISR; 1261 unsigned int IER; 1262 unsigned int IDR; 1263 unsigned int IMR; 1264 unsigned int TBQP; 1265 unsigned int RBQS; 1266 unsigned int RBQP; 1267 1268 /* ENST register offsets for this queue */ 1269 unsigned int ENST_START_TIME; 1270 unsigned int ENST_ON_TIME; 1271 unsigned int ENST_OFF_TIME; 1272 1273 /* Lock to protect tx_head and tx_tail */ 1274 spinlock_t tx_ptr_lock; 1275 unsigned int tx_head, tx_tail; 1276 struct macb_dma_desc *tx_ring; 1277 struct macb_tx_skb *tx_skb; 1278 dma_addr_t tx_ring_dma; 1279 struct work_struct tx_error_task; 1280 bool txubr_pending; 1281 struct napi_struct napi_tx; 1282 1283 dma_addr_t rx_ring_dma; 1284 dma_addr_t rx_buffers_dma; 1285 unsigned int rx_tail; 1286 unsigned int rx_prepared_head; 1287 struct macb_dma_desc *rx_ring; 1288 struct sk_buff **rx_skbuff; 1289 void *rx_buffers; 1290 struct napi_struct napi_rx; 1291 struct queue_stats stats; 1292 }; 1293 1294 struct ethtool_rx_fs_item { 1295 struct ethtool_rx_flow_spec fs; 1296 struct list_head list; 1297 }; 1298 1299 struct ethtool_rx_fs_list { 1300 struct list_head list; 1301 unsigned int count; 1302 }; 1303 1304 struct macb { 1305 void __iomem *regs; 1306 bool native_io; 1307 1308 /* hardware IO accessors */ 1309 u32 (*macb_reg_readl)(struct macb *bp, int offset); 1310 void (*macb_reg_writel)(struct macb *bp, int offset, u32 value); 1311 1312 struct macb_dma_desc *rx_ring_tieoff; 1313 dma_addr_t rx_ring_tieoff_dma; 1314 size_t rx_buffer_size; 1315 1316 unsigned int rx_ring_size; 1317 unsigned int tx_ring_size; 1318 1319 unsigned int num_queues; 1320 struct macb_queue queues[MACB_MAX_QUEUES]; 1321 1322 spinlock_t lock; 1323 struct platform_device *pdev; 1324 struct clk *pclk; 1325 struct clk *hclk; 1326 struct clk *tx_clk; 1327 struct clk *rx_clk; 1328 struct clk *tsu_clk; 1329 struct net_device *dev; 1330 /* Protects hw_stats and ethtool_stats */ 1331 spinlock_t stats_lock; 1332 union { 1333 struct macb_stats macb; 1334 struct gem_stats gem; 1335 } hw_stats; 1336 1337 struct macb_or_gem_ops macbgem_ops; 1338 1339 struct mii_bus *mii_bus; 1340 struct phylink *phylink; 1341 struct phylink_config phylink_config; 1342 struct phylink_pcs phylink_usx_pcs; 1343 struct phylink_pcs phylink_sgmii_pcs; 1344 1345 u32 caps; 1346 unsigned int dma_burst_length; 1347 1348 phy_interface_t phy_interface; 1349 1350 /* AT91RM9200 transmit queue (1 on wire + 1 queued) */ 1351 struct macb_tx_skb rm9200_txq[2]; 1352 unsigned int max_tx_length; 1353 1354 u64 ethtool_stats[GEM_STATS_LEN + QUEUE_STATS_LEN * MACB_MAX_QUEUES]; 1355 1356 unsigned int rx_frm_len_mask; 1357 unsigned int jumbo_max_len; 1358 1359 u32 wol; 1360 u32 wolopts; 1361 1362 /* holds value of rx watermark value for pbuf_rxcutthru register */ 1363 u32 rx_watermark; 1364 1365 struct macb_ptp_info *ptp_info; /* macb-ptp interface */ 1366 1367 struct phy *phy; 1368 1369 spinlock_t tsu_clk_lock; /* gem tsu clock locking */ 1370 unsigned int tsu_rate; 1371 struct ptp_clock *ptp_clock; 1372 struct ptp_clock_info ptp_clock_info; 1373 struct tsu_incr tsu_incr; 1374 struct kernel_hwtstamp_config tstamp_config; 1375 1376 /* RX queue filer rule set*/ 1377 struct ethtool_rx_fs_list rx_fs_list; 1378 spinlock_t rx_fs_lock; 1379 unsigned int max_tuples; 1380 1381 struct work_struct hresp_err_bh_work; 1382 1383 /* EEE / LPI state */ 1384 bool eee_active; 1385 struct delayed_work tx_lpi_work; 1386 u32 tx_lpi_timer; 1387 1388 int rx_bd_rd_prefetch; 1389 int tx_bd_rd_prefetch; 1390 1391 u32 rx_intr_mask; 1392 1393 struct macb_pm_data pm_data; 1394 const struct macb_usrio_config *usrio; 1395 }; 1396 1397 #ifdef CONFIG_MACB_USE_HWSTAMP 1398 #define GEM_TSEC_SIZE (GEM_TSH_SIZE + GEM_TSL_SIZE) 1399 #define TSU_SEC_MAX_VAL (((u64)1 << GEM_TSEC_SIZE) - 1) 1400 #define TSU_NSEC_MAX_VAL ((1 << GEM_TN_SIZE) - 1) 1401 1402 enum macb_bd_control { 1403 TSTAMP_DISABLED, 1404 TSTAMP_FRAME_PTP_EVENT_ONLY, 1405 TSTAMP_ALL_PTP_FRAMES, 1406 TSTAMP_ALL_FRAMES, 1407 }; 1408 1409 void gem_ptp_init(struct net_device *ndev); 1410 void gem_ptp_remove(struct net_device *ndev); 1411 void gem_ptp_txstamp(struct macb *bp, struct sk_buff *skb, struct macb_dma_desc *desc); 1412 void gem_ptp_rxstamp(struct macb *bp, struct sk_buff *skb, struct macb_dma_desc *desc); 1413 static inline void gem_ptp_do_txstamp(struct macb *bp, struct sk_buff *skb, struct macb_dma_desc *desc) 1414 { 1415 if (bp->tstamp_config.tx_type == TSTAMP_DISABLED) 1416 return; 1417 1418 gem_ptp_txstamp(bp, skb, desc); 1419 } 1420 1421 static inline void gem_ptp_do_rxstamp(struct macb *bp, struct sk_buff *skb, struct macb_dma_desc *desc) 1422 { 1423 if (bp->tstamp_config.rx_filter == TSTAMP_DISABLED) 1424 return; 1425 1426 gem_ptp_rxstamp(bp, skb, desc); 1427 } 1428 1429 int gem_get_hwtst(struct net_device *dev, 1430 struct kernel_hwtstamp_config *tstamp_config); 1431 int gem_set_hwtst(struct net_device *dev, 1432 struct kernel_hwtstamp_config *tstamp_config, 1433 struct netlink_ext_ack *extack); 1434 #else 1435 static inline void gem_ptp_init(struct net_device *ndev) { } 1436 static inline void gem_ptp_remove(struct net_device *ndev) { } 1437 1438 static inline void gem_ptp_do_txstamp(struct macb *bp, struct sk_buff *skb, struct macb_dma_desc *desc) { } 1439 static inline void gem_ptp_do_rxstamp(struct macb *bp, struct sk_buff *skb, struct macb_dma_desc *desc) { } 1440 #endif 1441 1442 static inline bool macb_is_gem(struct macb *bp) 1443 { 1444 return !!(bp->caps & MACB_CAPS_MACB_IS_GEM); 1445 } 1446 1447 static inline bool gem_has_ptp(struct macb *bp) 1448 { 1449 return IS_ENABLED(CONFIG_MACB_USE_HWSTAMP) && (bp->caps & MACB_CAPS_GEM_HAS_PTP); 1450 } 1451 1452 /* ENST Helper functions */ 1453 static inline u64 enst_ns_to_hw_units(size_t ns, u32 speed_mbps) 1454 { 1455 return DIV_ROUND_UP((ns) * (speed_mbps), 1456 (ENST_TIME_GRANULARITY_NS * 1000)); 1457 } 1458 1459 static inline u64 enst_max_hw_interval(u32 speed_mbps) 1460 { 1461 return DIV_ROUND_UP(GENMASK(GEM_ON_TIME_SIZE - 1, 0) * 1462 ENST_TIME_GRANULARITY_NS * 1000, (speed_mbps)); 1463 } 1464 1465 static inline bool macb_dma64(struct macb *bp) 1466 { 1467 return IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) && 1468 bp->caps & MACB_CAPS_DMA_64B; 1469 } 1470 1471 static inline bool macb_dma_ptp(struct macb *bp) 1472 { 1473 return IS_ENABLED(CONFIG_MACB_USE_HWSTAMP) && 1474 bp->caps & MACB_CAPS_DMA_PTP; 1475 } 1476 1477 static inline void macb_queue_isr_clear(struct macb *bp, 1478 struct macb_queue *queue, u32 value) 1479 { 1480 if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE) 1481 queue_writel(queue, ISR, value); 1482 } 1483 1484 /** 1485 * struct macb_platform_data - platform data for MACB Ethernet used for PCI registration 1486 * @pclk: platform clock 1487 * @hclk: AHB clock 1488 */ 1489 struct macb_platform_data { 1490 struct clk *pclk; 1491 struct clk *hclk; 1492 }; 1493 1494 /** 1495 * struct macb_queue_enst_config - Configuration for Enhanced Scheduled Traffic 1496 * @start_time_mask: Bitmask representing the start time for the queue 1497 * @on_time_bytes: "on" time nsec expressed in bytes 1498 * @off_time_bytes: "off" time nsec expressed in bytes 1499 * @queue_id: Identifier for the queue 1500 * 1501 * This structure holds the configuration parameters for an ENST queue, 1502 * used to control time-based transmission scheduling in the MACB driver. 1503 */ 1504 struct macb_queue_enst_config { 1505 u32 start_time_mask; 1506 u32 on_time_bytes; 1507 u32 off_time_bytes; 1508 u8 queue_id; 1509 }; 1510 1511 #endif /* _MACB_H */ 1512