gemreg.h revision 1.4
1 /* $NetBSD: gemreg.h,v 1.4 2002/05/11 00:36:02 matt Exp $ */ 2 3 /* 4 * 5 * Copyright (C) 2001 Eduardo Horvath. 6 * All rights reserved. 7 * 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31 32 #ifndef _IF_GEMREG_H 33 #define _IF_GEMREG_H 34 35 /* Register definitions for Sun GEM gigabit ethernet */ 36 37 #define GEM_SEB_STATE 0x0000 /* SEB state reg, R/O */ 38 #define GEM_CONFIG 0x0004 /* config reg */ 39 #define GEM_STATUS 0x000c /* status reg */ 40 /* Note: Reading the status reg clears bits 0-6 */ 41 #define GEM_INTMASK 0x0010 42 #define GEM_INTACK 0x0014 /* Interrupt acknowledge, W/O */ 43 #define GEM_STATUS_ALIAS 0x001c 44 /* This is the same as the GEM_STATUS reg but reading it does not clear bits. */ 45 #define GEM_ERROR_STATUS 0x1000 /* PCI error status R/C */ 46 #define GEM_ERROR_MASK 0x1004 47 #define GEM_BIF_CONFIG 0x1008 /* BIF config reg */ 48 #define GEM_BIF_DIAG 0x100c 49 #define GEM_RESET 0x1010 /* Software reset register */ 50 51 52 /* Bits in GEM_SEB register */ 53 #define GEM_SEB_ARB 0x000000002 /* Arbitration status */ 54 #define GEM_SEB_RXWON 0x000000004 55 56 57 /* Bits in GEM_CONFIG register */ 58 #define GEM_CONFIG_BURST_64 0x000000000 /* 0->infininte, 1->64KB */ 59 #define GEM_CONFIG_BURST_INF 0x000000001 /* 0->infininte, 1->64KB */ 60 #define GEM_CONFIG_TXDMA_LIMIT 0x00000003e 61 #define GEM_CONFIG_RXDMA_LIMIT 0x0000007c0 62 63 #define GEM_CONFIG_TXDMA_LIMIT_SHIFT 1 64 #define GEM_CONFIG_RXDMA_LIMIT_SHIFT 6 65 66 67 /* Top part of GEM_STATUS has TX completion information */ 68 #define GEM_STATUS_TX_COMPL 0xfff800000 /* TX completion reg. */ 69 70 71 /* Interrupt bits, for both the GEM_STATUS and GEM_INTMASK regs. */ 72 #define GEM_INTR_TX_INTME 0x000000001 /* Frame w/INTME bit set sent */ 73 #define GEM_INTR_TX_EMPTY 0x000000002 /* TX ring empty */ 74 #define GEM_INTR_TX_DONE 0x000000004 /* TX complete */ 75 #define GEM_INTR_RX_DONE 0x000000010 /* Got a packet */ 76 #define GEM_INTR_RX_NOBUF 0x000000020 77 #define GEM_INTR_RX_TAG_ERR 0x000000040 78 #define GEM_INTR_PCS 0x000002000 79 #define GEM_INTR_TX_MAC 0x000004000 80 #define GEM_INTR_RX_MAC 0x000008000 81 #define GEM_INTR_MAC_CONTROL 0x000010000 /* MAC control interrupt */ 82 #define GEM_INTR_MIF 0x000020000 83 #define GEM_INTR_BERR 0x000040000 /* Bus error interrupt */ 84 #define GEM_INTR_BITS "\177\020" \ 85 "b\0INTME\0b\1TXEMPTY\0b\2TXDONE\0" \ 86 "b\4RXDONE\0b\5RXNOBUF\0b\6RX_TAG_ERR\0" \ 87 "b\15PCS\0b\16TXMAC\0b\17RXMAC\0" \ 88 "b\20MAC_CONTROL\0b\21MIF\0b\22BERR\0\0" \ 89 90 91 92 /* GEM_ERROR_STATUS and GEM_ERROR_MASK PCI error bits */ 93 #define GEM_ERROR_STAT_BADACK 0x000000001 /* No ACK64# */ 94 #define GEM_ERROR_STAT_DTRTO 0x000000002 /* Delayed xaction timeout */ 95 #define GEM_ERROR_STAT_OTHERS 0x000000004 96 97 98 /* GEM_BIF_CONFIG register bits */ 99 #define GEM_BIF_CONFIG_SLOWCLK 0x000000001 /* Parity error timing */ 100 #define GEM_BIF_CONFIG_HOST_64 0x000000002 /* 64-bit host */ 101 #define GEM_BIF_CONFIG_B64D_DIS 0x000000004 /* no 64-bit data cycle */ 102 #define GEM_BIF_CONFIG_M66EN 0x000000008 103 104 105 /* GEM_RESET register bits -- TX and RX self clear when complete. */ 106 #define GEM_RESET_TX 0x000000001 /* Reset TX half */ 107 #define GEM_RESET_RX 0x000000002 /* Reset RX half */ 108 #define GEM_RESET_RSTOUT 0x000000004 /* Force PCI RSTOUT# */ 109 110 111 /* GEM TX DMA registers */ 112 #define GEM_TX_KICK 0x2000 /* Write last valid desc + 1 */ 113 #define GEM_TX_CONFIG 0x2004 114 #define GEM_TX_RING_PTR_LO 0x2008 115 #define GEM_TX_RING_PTR_HI 0x200c 116 117 #define GEM_TX_FIFO_WR_PTR 0x2014 /* FIFO write pointer */ 118 #define GEM_TX_FIFO_SDWR_PTR 0x2018 /* FIFO shadow write pointer */ 119 #define GEM_TX_FIFO_RD_PTR 0x201c /* FIFO read pointer */ 120 #define GEM_TX_FIFO_SDRD_PTR 0x2020 /* FIFO shadow read pointer */ 121 #define GEM_TX_FIFO_PKT_CNT 0x2024 /* FIFO packet counter */ 122 123 #define GEM_TX_STATE_MACHINE 0x2028 /* ETX state machine reg */ 124 #define GEM_TX_DATA_PTR 0x2030 /* ETX state machine reg (64-bit)*/ 125 126 #define GEM_TX_COMPLETION 0x2100 127 #define GEM_TX_FIFO_ADDRESS 0x2104 128 #define GEM_TX_FIFO_TAG 0x2108 129 #define GEM_TX_FIFO_DATA_LO 0x210c 130 #define GEM_TX_FIFO_DATA_HI_T1 0x2110 131 #define GEM_TX_FIFO_DATA_HI_T0 0x2114 132 #define GEM_TX_FIFO_SIZE 0x2118 133 #define GEM_TX_DEBUG 0x3028 134 135 136 /* GEM_TX_CONFIG register bits. */ 137 #define GEM_TX_CONFIG_TXDMA_EN 0x00000001 /* TX DMA enable */ 138 #define GEM_TX_CONFIG_TXRING_SZ 0x0000001e /* TX ring size */ 139 #define GEM_TX_CONFIG_TXFIFO_TH 0x001ffc00 /* TX fifo threshold */ 140 #define GEM_TX_CONFIG_PACED 0x00200000 /* TX_all_int modifier */ 141 142 #define GEM_RING_SZ_32 (0<<1) /* 32 descriptors */ 143 #define GEM_RING_SZ_64 (1<<1) 144 #define GEM_RING_SZ_128 (2<<1) 145 #define GEM_RING_SZ_256 (3<<1) 146 #define GEM_RING_SZ_512 (4<<1) 147 #define GEM_RING_SZ_1024 (5<<1) 148 #define GEM_RING_SZ_2048 (6<<1) 149 #define GEM_RING_SZ_4096 (7<<1) 150 #define GEM_RING_SZ_8192 (8<<1) 151 152 153 /* GEM_TX_COMPLETION register bits */ 154 #define GEM_TX_COMPLETION_MASK 0x00001fff /* # of last descriptor */ 155 156 157 /* GEM RX DMA registers */ 158 #define GEM_RX_CONFIG 0x4000 159 #define GEM_RX_RING_PTR_LO 0x4004 /* 64-bits unaligned GAK! */ 160 #define GEM_RX_RING_PTR_HI 0x4008 /* 64-bits unaligned GAK! */ 161 162 #define GEM_RX_FIFO_WR_PTR 0x400c /* FIFO write pointer */ 163 #define GEM_RX_FIFO_SDWR_PTR 0x4010 /* FIFO shadow write pointer */ 164 #define GEM_RX_FIFO_RD_PTR 0x4014 /* FIFO read pointer */ 165 #define GEM_RX_FIFO_PKT_CNT 0x4018 /* FIFO packet counter */ 166 167 #define GEM_RX_STATE_MACHINE 0x401c /* ERX state machine reg */ 168 #define GEM_RX_PAUSE_THRESH 0x4020 169 170 #define GEM_RX_DATA_PTR_LO 0x4024 /* ERX state machine reg */ 171 #define GEM_RX_DATA_PTR_HI 0x4028 /* Damn thing is unaligned */ 172 173 #define GEM_RX_KICK 0x4100 /* Write last valid desc + 1 */ 174 #define GEM_RX_COMPLETION 0x4104 /* First pending desc */ 175 #define GEM_RX_BLANKING 0x4108 /* Interrupt blanking reg */ 176 177 #define GEM_RX_FIFO_ADDRESS 0x410c 178 #define GEM_RX_FIFO_TAG 0x4110 179 #define GEM_RX_FIFO_DATA_LO 0x4114 180 #define GEM_RX_FIFO_DATA_HI_T1 0x4118 181 #define GEM_RX_FIFO_DATA_HI_T0 0x411c 182 #define GEM_RX_FIFO_SIZE 0x4120 183 184 185 /* GEM_RX_CONFIG register bits. */ 186 #define GEM_RX_CONFIG_RXDMA_EN 0x00000001 /* RX DMA enable */ 187 #define GEM_RX_CONFIG_RXRING_SZ 0x0000001e /* RX ring size */ 188 #define GEM_RX_CONFIG_BATCH_DIS 0x00000020 /* desc batching disable */ 189 #define GEM_RX_CONFIG_FBOFF 0x00001c00 /* first byte offset */ 190 #define GEM_RX_CONFIG_CXM_START 0x000fe000 /* checksum start offset */ 191 #define GEM_RX_CONFIG_FIFO_THRS 0x07000000 /* fifo threshold size */ 192 193 #define GEM_THRSH_64 0 194 #define GEM_THRSH_128 1 195 #define GEM_THRSH_256 2 196 #define GEM_THRSH_512 3 197 #define GEM_THRSH_1024 4 198 #define GEM_THRSH_2048 5 199 200 #define GEM_RX_CONFIG_FIFO_THRS_SHIFT 24 201 #define GEM_RX_CONFIG_FBOFF_SHFT 10 202 #define GEM_RX_CONFIG_CXM_START_SHFT 13 203 204 205 /* GEM_RX_PAUSE_THRESH register bits -- sizes in multiples of 64 bytes */ 206 #define GEM_RX_PTH_XOFF_THRESH 0x000001ff 207 #define GEM_RX_PTH_XON_THRESH 0x001ff000 208 209 210 /* GEM_RX_BLANKING register bits */ 211 #define GEM_RX_BLANKING_PACKETS 0x000001ff /* Delay intr for x packets */ 212 #define GEM_RX_BLANKING_TIME 0x000ff000 /* Delay intr for x ticks */ 213 #define GEM_RX_BLANKING_TIME_SHIFT 12 214 /* One tick is 2048 PCI clocks, or 16us at 66MHz */ 215 216 217 /* GEM_MAC registers */ 218 #define GEM_MAC_TXRESET 0x6000 /* Store 1, cleared when done */ 219 #define GEM_MAC_RXRESET 0x6004 /* ditto */ 220 #define GEM_MAC_SEND_PAUSE_CMD 0x6008 221 #define GEM_MAC_TX_STATUS 0x6010 222 #define GEM_MAC_RX_STATUS 0x6014 223 #define GEM_MAC_CONTROL_STATUS 0x6018 /* MAC control status reg */ 224 #define GEM_MAC_TX_MASK 0x6020 /* TX MAC mask register */ 225 #define GEM_MAC_RX_MASK 0x6024 226 #define GEM_MAC_CONTROL_MASK 0x6028 227 #define GEM_MAC_TX_CONFIG 0x6030 228 #define GEM_MAC_RX_CONFIG 0x6034 229 #define GEM_MAC_CONTROL_CONFIG 0x6038 230 #define GEM_MAC_XIF_CONFIG 0x603c 231 #define GEM_MAC_IPG0 0x6040 /* inter packet gap 0 */ 232 #define GEM_MAC_IPG1 0x6044 /* inter packet gap 1 */ 233 #define GEM_MAC_IPG2 0x6048 /* inter packet gap 2 */ 234 #define GEM_MAC_SLOT_TIME 0x604c 235 #define GEM_MAC_MAC_MIN_FRAME 0x6050 236 #define GEM_MAC_MAC_MAX_FRAME 0x6054 237 #define GEM_MAC_PREAMBLE_LEN 0x6058 238 #define GEM_MAC_JAM_SIZE 0x605c 239 #define GEM_MAC_ATTEMPT_LIMIT 0x6060 240 #define GEM_MAC_CONTROL_TYPE 0x6064 241 242 #define GEM_MAC_ADDR0 0x6080 /* Normal MAC address 0 */ 243 #define GEM_MAC_ADDR1 0x6084 244 #define GEM_MAC_ADDR2 0x6088 245 #define GEM_MAC_ADDR3 0x608c /* Alternate MAC address 0 */ 246 #define GEM_MAC_ADDR4 0x6090 247 #define GEM_MAC_ADDR5 0x6094 248 #define GEM_MAC_ADDR6 0x6098 /* Control MAC address 0 */ 249 #define GEM_MAC_ADDR7 0x609c 250 #define GEM_MAC_ADDR8 0x60a0 251 252 #define GEM_MAC_ADDR_FILTER0 0x60a4 253 #define GEM_MAC_ADDR_FILTER1 0x60a8 254 #define GEM_MAC_ADDR_FILTER2 0x60ac 255 #define GEM_MAC_ADR_FLT_MASK1_2 0x60b0 /* Address filter mask 1,2 */ 256 #define GEM_MAC_ADR_FLT_MASK0 0x60b4 /* Address filter mask 0 reg */ 257 258 #define GEM_MAC_HASH0 0x60c0 /* Hash table 0 */ 259 #define GEM_MAC_HASH1 0x60c4 260 #define GEM_MAC_HASH2 0x60c8 261 #define GEM_MAC_HASH3 0x60cc 262 #define GEM_MAC_HASH4 0x60d0 263 #define GEM_MAC_HASH5 0x60d4 264 #define GEM_MAC_HASH6 0x60d8 265 #define GEM_MAC_HASH7 0x60dc 266 #define GEM_MAC_HASH8 0x60e0 267 #define GEM_MAC_HASH9 0x60e4 268 #define GEM_MAC_HASH10 0x60e8 269 #define GEM_MAC_HASH11 0x60ec 270 #define GEM_MAC_HASH12 0x60f0 271 #define GEM_MAC_HASH13 0x60f4 272 #define GEM_MAC_HASH14 0x60f8 273 #define GEM_MAC_HASH15 0x60fc 274 275 #define GEM_MAC_NORM_COLL_CNT 0x6100 /* Normal collision counter */ 276 #define GEM_MAC_FIRST_COLL_CNT 0x6104 /* 1st successful collision cntr */ 277 #define GEM_MAC_EXCESS_COLL_CNT 0x6108 /* Excess collision counter */ 278 #define GEM_MAC_LATE_COLL_CNT 0x610c /* Late collision counter */ 279 #define GEM_MAC_DEFER_TMR_CNT 0x6110 /* defer timer counter */ 280 #define GEM_MAC_PEAK_ATTEMPTS 0x6114 281 #define GEM_MAC_RX_FRAME_COUNT 0x6118 282 #define GEM_MAC_RX_LEN_ERR_CNT 0x611c 283 #define GEM_MAC_RX_ALIGN_ERR 0x6120 284 #define GEM_MAC_RX_CRC_ERR_CNT 0x6124 285 #define GEM_MAC_RX_CODE_VIOL 0x6128 286 #define GEM_MAC_RANDOM_SEED 0x6130 287 #define GEM_MAC_MAC_STATE 0x6134 /* MAC sstate machine reg */ 288 289 290 /* GEM_MAC_SEND_PAUSE_CMD register bits */ 291 #define GEM_MAC_PAUSE_CMD_TIME 0x0000ffff 292 #define GEM_MAC_PAUSE_CMD_SEND 0x00010000 293 294 295 /* GEM_MAC_TX_STATUS and _MASK register bits */ 296 #define GEM_MAC_TX_XMIT_DONE 0x00000001 297 #define GEM_MAC_TX_UNDERRUN 0x00000002 298 #define GEM_MAC_TX_PKT_TOO_LONG 0x00000004 299 #define GEM_MAC_TX_NCC_EXP 0x00000008 /* Normal collision cnt exp */ 300 #define GEM_MAC_TX_ECC_EXP 0x00000010 301 #define GEM_MAC_TX_LCC_EXP 0x00000020 302 #define GEM_MAC_TX_FCC_EXP 0x00000040 303 #define GEM_MAC_TX_DEFER_EXP 0x00000080 304 #define GEM_MAC_TX_PEAK_EXP 0x00000100 305 306 307 /* GEM_MAC_RX_STATUS and _MASK register bits */ 308 #define GEM_MAC_RX_DONE 0x00000001 309 #define GEM_MAC_RX_OVERFLOW 0x00000002 310 #define GEM_MAC_RX_FRAME_CNT 0x00000004 311 #define GEM_MAC_RX_ALIGN_EXP 0x00000008 312 #define GEM_MAC_RX_CRC_EXP 0x00000010 313 #define GEM_MAC_RX_LEN_EXP 0x00000020 314 #define GEM_MAC_RX_CVI_EXP 0x00000040 /* Code violation */ 315 316 317 /* GEM_MAC_CONTROL_STATUS and GEM_MAC_CONTROL_MASK register bits */ 318 #define GEM_MAC_PAUSED 0x00000001 /* Pause received */ 319 #define GEM_MAC_PAUSE 0x00000002 /* enter pause state */ 320 #define GEM_MAC_RESUME 0x00000004 /* exit pause state */ 321 #define GEM_MAC_PAUSE_TIME 0xffff0000 322 323 /* GEM_MAC_XIF_CONFIG register bits */ 324 #define GEM_MAC_XIF_TX_MII_ENA 0x00000001 /* Enable XIF output drivers */ 325 #define GEM_MAC_XIF_MII_LOOPBK 0x00000002 /* Enable MII loopback mode */ 326 #define GEM_MAC_XIF_ECHO_DISABL 0x00000004 /* Disable echo */ 327 #define GEM_MAC_XIF_GMII_MODE 0x00000008 /* Select GMII/MII mode */ 328 #define GEM_MAC_XIF_MII_BUF_ENA 0x00000010 /* Enable MII recv buffers */ 329 #define GEM_MAC_XIF_LINK_LED 0x00000020 /* force link LED active */ 330 #define GEM_MAC_XIF_FDPLX_LED 0x00000040 /* force FDPLX LED active */ 331 332 /* GEM_MAC_TX_CONFIG register bits */ 333 #define GEM_MAC_TX_ENABLE 0x00000001 /* TX enable */ 334 #define GEM_MAC_TX_IGN_CARRIER 0x00000002 /* Ignore carrier sense */ 335 #define GEM_MAC_TX_IGN_COLLIS 0x00000004 /* ignore collitions */ 336 #define GEM_MAC_TX_ENA_IPG0 0x00000008 /* extend Rx-to-TX IPG */ 337 #define GEM_MAC_TX_NGU 0x00000010 /* Never give up */ 338 #define GEM_MAC_TX_NGU_LIMIT 0x00000020 /* Never give up limit */ 339 #define GEM_MAC_TX_NO_BACKOFF 0x00000040 340 #define GEM_MAC_TX_SLOWDOWN 0x00000080 341 #define GEM_MAC_TX_NO_FCS 0x00000100 /* no FCS will be generated */ 342 #define GEM_MAC_TX_CARR_EXTEND 0x00000200 /* Ena TX Carrier Extension */ 343 /* Carrier Extension is required for half duplex Gbps operation */ 344 345 346 /* GEM_MAC_RX_CONFIG register bits */ 347 #define GEM_MAC_RX_ENABLE 0x00000001 /* RX enable */ 348 #define GEM_MAC_RX_STRIP_PAD 0x00000002 /* strip pad bytes */ 349 #define GEM_MAC_RX_STRIP_CRC 0x00000004 350 #define GEM_MAC_RX_PROMISCUOUS 0x00000008 /* promiscuous mode */ 351 #define GEM_MAC_RX_PROMISC_GRP 0x00000010 /* promiscuous group mode */ 352 #define GEM_MAC_RX_HASH_FILTER 0x00000020 /* enable hash filter */ 353 #define GEM_MAC_RX_ADDR_FILTER 0x00000040 /* enable address filter */ 354 #define GEM_MAC_RX_ERRCHK_DIS 0x00000080 /* disable error checking */ 355 #define GEM_MAC_RX_CARR_EXTEND 0x00000100 /* Ena RX Carrier Extension */ 356 /* 357 * Carrier Extension enables reception of packet bursts generated by 358 * senders with carrier extension enabled. 359 */ 360 361 362 /* GEM_MAC_CONTROL_CONFIG bits */ 363 #define GEM_MAC_CC_TX_PAUSE 0x00000001 /* send pause enabled */ 364 #define GEM_MAC_CC_RX_PAUSE 0x00000002 /* receive pause enabled */ 365 #define GEM_MAC_CC_PASS_PAUSE 0x00000004 /* pass pause up */ 366 367 368 /* GEM MIF registers */ 369 /* Bit bang registers use low bit only */ 370 #define GEM_MIF_BB_CLOCK 0x6200 /* bit bang clock */ 371 #define GEM_MIF_BB_DATA 0x6204 /* bit bang data */ 372 #define GEM_MIF_BB_OUTPUT_ENAB 0x6208 373 #define GEM_MIF_FRAME 0x620c /* MIF frame - ctl and data */ 374 #define GEM_MIF_CONFIG 0x6210 375 #define GEM_MIF_INTERRUPT_MASK 0x6214 376 #define GEM_MIF_BASIC_STATUS 0x6218 377 #define GEM_MIF_STATE_MACHINE 0x621c 378 379 380 /* GEM_MIF_FRAME bits */ 381 #define GEM_MIF_FRAME_DATA 0x0000ffff 382 #define GEM_MIF_FRAME_TA0 0x00010000 /* TA bit, 1 for completion */ 383 #define GEM_MIF_FRAME_TA1 0x00020000 /* TA bits */ 384 #define GEM_MIF_FRAME_REG_ADDR 0x007c0000 385 #define GEM_MIF_FRAME_PHY_ADDR 0x0f800000 /* phy address, should be 0 */ 386 #define GEM_MIF_FRAME_OP 0x30000000 /* operation - write/read */ 387 #define GEM_MIF_FRAME_START 0xc0000000 /* START bits */ 388 389 #define GEM_MIF_FRAME_READ 0x60020000 390 #define GEM_MIF_FRAME_WRITE 0x50020000 391 392 #define GEM_MIF_REG_SHIFT 18 393 #define GEM_MIF_PHY_SHIFT 23 394 395 396 /* GEM_MIF_CONFIG register bits */ 397 #define GEM_MIF_CONFIG_PHY_SEL 0x00000001 /* PHY select */ 398 #define GEM_MIF_CONFIG_POLL_ENA 0x00000002 /* poll enable */ 399 #define GEM_MIF_CONFIG_BB_ENA 0x00000004 /* bit bang enable */ 400 #define GEM_MIF_CONFIG_REG_ADR 0x000000f8 /* poll register address */ 401 #define GEM_MIF_CONFIG_MDI0 0x00000100 /* MDIO_0 Data/MDIO_0 atached */ 402 #define GEM_MIF_CONFIG_MDI1 0x00000200 /* MDIO_1 Data/MDIO_1 atached */ 403 #define GEM_MIF_CONFIG_PHY_ADR 0x00007c00 /* poll PHY address */ 404 /* MDI0 is onboard tranciever MID1 is external, PHYAD for both is 0 */ 405 406 407 /* GEM_MIF_BASIC_STATUS and GEM_MIF_INTERRUPT_MASK bits */ 408 #define GEM_MIF_STATUS 0x0000ffff 409 #define GEM_MIF_BASIC 0xffff0000 410 /* 411 * The Basic part is the last value read in the POLL field of the config 412 * register. 413 * 414 * The status part indicates the bits that have changed. 415 */ 416 417 418 /* The GEM PCS/Serial link register. */ 419 #define GEM_MII_CONTROL 0x9000 420 #define GEM_MII_STATUS 0x9004 421 #define GEM_MII_ANAR 0x9008 /* MII advertisement reg */ 422 #define GEM_MII_ANLPAR 0x900c /* LP ability reg */ 423 #define GEM_MII_CONFIG 0x9010 424 #define GEM_MII_STATE_MACHINE 0x9014 425 #define GEM_MII_INTERRUP_STATUS 0x9018 426 #define GEM_MII_DATAPATH_MODE 0x9050 427 #define GEM_MII_SLINK_CONTROL 0x9054 /* Serial link control */ 428 #define GEM_MII_OUTPUT_SELECT 0x9058 429 #define GEM_MII_SLINK_STATUS 0x905c /* serial link status */ 430 431 432 /* GEM_MII_CONTROL bits */ 433 /* 434 * DO NOT TOUCH THIS REGISTER ON ERI -- IT HARD HANGS. 435 */ 436 #define GEM_MII_CONTROL_RESET 0x00008000 437 #define GEM_MII_CONTROL_LOOPBK 0x00004000 /* 10-bit i/f loopback */ 438 #define GEM_MII_CONTROL_1000M 0x00002000 /* speed select, always 0 */ 439 #define GEM_MII_CONTROL_AUTONEG 0x00001000 /* auto negotiation enabled */ 440 #define GEM_MII_CONTROL_POWERDN 0x00000800 441 #define GEM_MII_CONTROL_ISOLATE 0x00000400 /* isolate phy from mii */ 442 #define GEM_MII_CONTROL_RAN 0x00000200 /* restart auto negotioation */ 443 #define GEM_MII_CONTROL_FDUPLEX 0x00000100 /* full duplex, always 0 */ 444 #define GEM_MII_CONTROL_COL_TST 0x00000080 /* collision test */ 445 446 447 /* GEM_MII_STATUS reg */ 448 #define GEM_MII_STATUS_GB_FDX 0x00000400 /* can perform GBit FDX */ 449 #define GEM_MII_STATUS_GB_HDX 0x00000200 /* can perform GBit HDX */ 450 #define GEM_MII_STATUS_ANEG_CPT 0x00000020 /* auto negotiate compete */ 451 #define GEM_MII_STATUS_REM_FLT 0x00000010 /* remote fault detected */ 452 #define GEM_MII_STATUS_ACFG 0x00000008 /* can auto negotiate */ 453 #define GEM_MII_STATUS_LINK_STS 0x00000004 /* link status */ 454 #define GEM_MII_STATUS_JABBER 0x00000002 /* jabber condition detected */ 455 #define GEM_MII_STATUS_EXTCAP 0x00000001 /* extended register capability */ 456 457 458 /* GEM_MII_ANAR and GEM_MII_ANLAR reg bits */ 459 #define GEM_MII_ANEG_NP 0x00008000 /* next page bit */ 460 #define GEM_MII_ANEG_ACK 0x00004000 /* ack reception of */ 461 /* Link Partner Capability */ 462 #define GEM_MII_ANEG_RF 0x00003000 /* advertise remote fault cap */ 463 #define GEM_MII_ANEG_ASYM_PAUSE 0x00000100 /* asymmetric pause */ 464 #define GEM_MII_ANEG_SYM_PAUSE 0x00000080 /* symmetric pause */ 465 #define GEM_MII_ANEG_HLF_DUPLX 0x00000040 466 #define GEM_MII_ANEG_FUL_DUPLX 0x00000020 467 468 469 /* GEM_MII_CONFIG reg */ 470 #define GEM_MII_CONFIG_TIMER 0x0000001c /* link monitor timer values */ 471 #define GEM_MII_CONFIG_ENABLE 0x00000001 /* Enable PCS */ 472 473 474 /* GEM_MII_DATAPATH_MODE reg */ 475 #define GEM_MII_DATAPATH_SERIAL 0x00000001 /* Serial link */ 476 #define GEM_MII_DATAPATH_SERDES 0x00000002 /* Use PCS via 10bit interfac */ 477 #define GEM_MII_DATAPATH_MII 0x00000004 /* Use MII, not PCS */ 478 #define GEM_MII_DATAPATH_MIIOUT 0x00000008 /* enable serial output on GMII */ 479 #define GEM_MII_DATAPATH_BITS "\177\020" \ 480 "b\0SERIAL\0b\1SERDES\0b\2MII\0b\3MIIOUT\0\0" 481 482 483 /* GEM_MII_SLINK_CONTROL reg */ 484 #define GEM_MII_SLINK_LOOPBACK 0x00000001 /* enable loopback at sl */ 485 #define GEM_MII_SLINK_EN_SYNC_D 0x00000002 /* enable sync detection */ 486 #define GEM_MII_SLINK_LOCK_REF 0x00000004 /* lock reference clock */ 487 #define GEM_MII_SLINK_EMPHASIS 0x00000008 /* enable emphasis */ 488 #define GEM_MII_SLINK_SELFTEST 0x000001c0 489 #define GEM_MII_SLINK_POWER_OFF 0x00000200 /* Power down serial link */ 490 491 492 /* GEM_MII_SLINK_STATUS reg */ 493 #define GEM_MII_SLINK_TEST 0x00000000 /* undergoing test */ 494 #define GEM_MII_SLINK_LOCKED 0x00000001 /* waiting 500us lockrefn */ 495 #define GEM_MII_SLINK_COMMA 0x00000002 /* waiting for comma detect */ 496 #define GEM_MII_SLINK_SYNC 0x00000003 /* recv data synchronized */ 497 498 499 /* Wired GEM PHY addresses */ 500 #define GEM_PHYAD_INTERNAL 1 501 #define GEM_PHYAD_EXTERNAL 0 502 503 /* 504 * GEM descriptor table structures. 505 */ 506 struct gem_desc { 507 uint64_t gd_flags; 508 uint64_t gd_addr; 509 }; 510 511 /* Transmit flags */ 512 #define GEM_TD_BUFSIZE 0x0000000000007fffLL 513 #define GEM_TD_CXSUM_START 0x00000000001f8000LL /* Cxsum start offset */ 514 #define GEM_TD_CXSUM_STUFF 0x000000001fe00000LL /* Cxsum stuff offset */ 515 #define GEM_TD_CXSUM_ENABLE 0x0000000020000000LL /* Cxsum generation enable */ 516 #define GEM_TD_END_OF_PACKET 0x0000000040000000LL 517 #define GEM_TD_START_OF_PACKET 0x0000000080000000LL 518 #define GEM_TD_INTERRUPT_ME 0x0000000100000000LL /* Interrupt me now */ 519 #define GEM_TD_NO_CRC 0x0000000200000000LL /* do not insert crc */ 520 /* 521 * Only need to set GEM_TD_CXSUM_ENABLE, GEM_TD_CXSUM_STUFF, 522 * GEM_TD_CXSUM_START, and GEM_TD_INTERRUPT_ME in 1st descriptor of a group. 523 */ 524 525 /* Receive flags */ 526 #define GEM_RD_CHECKSUM 0x000000000000ffffLL 527 #define GEM_RD_BUFSIZE 0x000000007fff0000LL 528 #define GEM_RD_OWN 0x0000000080000000LL /* 1 - owned by h/w */ 529 #define GEM_RD_HASHVAL 0x0ffff00000000000LL 530 #define GEM_RD_HASH_PASS 0x1000000000000000LL /* passed hash filter */ 531 #define GEM_RD_ALTERNATE_MAC 0x2000000000000000LL /* Alternate MAC adrs */ 532 #define GEM_RD_BAD_CRC 0x4000000000000000LL 533 534 #define GEM_RD_BUFSHIFT 16 535 #define GEM_RD_BUFLEN(x) (((x)&GEM_RD_BUFSIZE)>>GEM_RD_BUFSHIFT) 536 537 #endif 538
Indexes created Fri Sep 26 08:10:20 GMT 2025