gemreg.h revision 1.10
1 /* $NetBSD: gemreg.h,v 1.10 2007/04/12 06:14:47 dyoung 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 /* 38 * First bank: this registers live at the start of the PCI 39 * mapping, and at the start of the second bank of the SBUS 40 * version. 41 */ 42 #define GEM_SEB_STATE 0x0000 /* SEB state reg, R/O */ 43 #define GEM_CONFIG 0x0004 /* config reg */ 44 #define GEM_STATUS 0x000c /* status reg */ 45 /* Note: Reading the status reg clears bits 0-6 */ 46 #define GEM_INTMASK 0x0010 47 #define GEM_INTACK 0x0014 /* Interrupt acknowledge, W/O */ 48 #define GEM_STATUS_ALIAS 0x001c 49 50 /* 51 * Second bank: this registers live at offset 0x1000 of the PCI 52 * mapping, and at the start of the first bank of the SBUS 53 * version. 54 */ 55 #define GEM_PCI_BANK2_OFFSET 0x1000 56 #define GEM_PCI_BANK2_SIZE 0x14 57 /* This is the same as the GEM_STATUS reg but reading it does not clear bits. */ 58 #define GEM_ERROR_STATUS 0x0000 /* PCI error status R/C */ 59 #define GEM_ERROR_MASK 0x0004 60 #define GEM_SBUS_CONFIG 0x0004 61 #define GEM_BIF_CONFIG 0x0008 /* BIF config reg */ 62 #define GEM_BIF_DIAG 0x000c 63 #define GEM_RESET 0x0010 /* Software reset register */ 64 65 66 /* Bits in GEM_SEB register */ 67 #define GEM_SEB_ARB 0x000000002 /* Arbitration status */ 68 #define GEM_SEB_RXWON 0x000000004 69 70 /* Bits in GEM_SBUS_CONFIG register */ 71 #define GEM_SBUS_CFG_BMODE64 0x00000008 72 #define GEM_SBUS_CFG_PARITY 0x00000200 73 74 /* Bits in GEM_CONFIG register */ 75 #define GEM_CONFIG_BURST_64 0x000000000 /* 0->infinity, 1->64KB */ 76 #define GEM_CONFIG_BURST_INF 0x000000001 /* 0->infinity, 1->64KB */ 77 #define GEM_CONFIG_TXDMA_LIMIT 0x00000003e 78 #define GEM_CONFIG_RXDMA_LIMIT 0x0000007c0 79 80 #define GEM_CONFIG_TXDMA_LIMIT_SHIFT 1 81 #define GEM_CONFIG_RXDMA_LIMIT_SHIFT 6 82 83 84 /* Top part of GEM_STATUS has TX completion information */ 85 #define GEM_STATUS_TX_COMPL 0xfff800000 /* TX completion reg. */ 86 87 88 /* 89 * Interrupt bits, for both the GEM_STATUS and GEM_INTMASK regs. 90 * Bits 0-6 auto-clear when read. 91 */ 92 #define GEM_INTR_TX_INTME 0x000000001 /* Frame w/INTME bit set sent */ 93 #define GEM_INTR_TX_EMPTY 0x000000002 /* TX ring empty */ 94 #define GEM_INTR_TX_DONE 0x000000004 /* TX complete */ 95 #define GEM_INTR_RX_DONE 0x000000010 /* Got a packet */ 96 #define GEM_INTR_RX_NOBUF 0x000000020 97 #define GEM_INTR_RX_TAG_ERR 0x000000040 98 #define GEM_INTR_PCS 0x000002000 /* Physical Code Sub-layer */ 99 #define GEM_INTR_TX_MAC 0x000004000 100 #define GEM_INTR_RX_MAC 0x000008000 101 #define GEM_INTR_MAC_CONTROL 0x000010000 /* MAC control interrupt */ 102 #define GEM_INTR_MIF 0x000020000 103 #define GEM_INTR_BERR 0x000040000 /* Bus error interrupt */ 104 #define GEM_INTR_BITS "\177\020" \ 105 "b\0INTME\0b\1TXEMPTY\0b\2TXDONE\0" \ 106 "b\4RXDONE\0b\5RXNOBUF\0b\6RX_TAG_ERR\0" \ 107 "b\xdPCS\0b\xeTXMAC\0b\xfRXMAC\0" \ 108 "b\x10MAC_CONTROL\0b\x11MIF\0b\x12IBERR\0\0" 109 110 111 112 /* GEM_ERROR_STATUS and GEM_ERROR_MASK PCI error bits */ 113 #define GEM_ERROR_STAT_BADACK 0x000000001 /* No ACK64# */ 114 #define GEM_ERROR_STAT_DTRTO 0x000000002 /* Delayed xaction timeout */ 115 #define GEM_ERROR_STAT_OTHERS 0x000000004 116 #define GEM_ERROR_BITS "\177\020b\0ACKBAD\0b\1DTRTO\0b\2OTHER\0\0" 117 118 119 /* GEM_BIF_CONFIG register bits */ 120 #define GEM_BIF_CONFIG_SLOWCLK 0x000000001 /* Parity error timing */ 121 #define GEM_BIF_CONFIG_HOST_64 0x000000002 /* 64-bit host */ 122 #define GEM_BIF_CONFIG_B64D_DIS 0x000000004 /* no 64-bit data cycle */ 123 #define GEM_BIF_CONFIG_M66EN 0x000000008 124 #define GEM_BIF_CONFIG_BITS "\177\020b\0SLOWCLK\0b\1HOST64\0" \ 125 "b\2B64DIS\0b\3M66EN\0\0" 126 127 128 /* GEM_RESET register bits -- TX and RX self clear when complete. */ 129 #define GEM_RESET_TX 0x000000001 /* Reset TX half */ 130 #define GEM_RESET_RX 0x000000002 /* Reset RX half */ 131 #define GEM_RESET_RSTOUT 0x000000004 /* Force PCI RSTOUT# */ 132 133 134 /* GEM TX DMA registers */ 135 #define GEM_TX_KICK 0x2000 /* Write last valid desc + 1 */ 136 #define GEM_TX_CONFIG 0x2004 137 #define GEM_TX_RING_PTR_LO 0x2008 138 #define GEM_TX_RING_PTR_HI 0x200c 139 140 #define GEM_TX_FIFO_WR_PTR 0x2014 /* FIFO write pointer */ 141 #define GEM_TX_FIFO_SDWR_PTR 0x2018 /* FIFO shadow write pointer */ 142 #define GEM_TX_FIFO_RD_PTR 0x201c /* FIFO read pointer */ 143 #define GEM_TX_FIFO_SDRD_PTR 0x2020 /* FIFO shadow read pointer */ 144 #define GEM_TX_FIFO_PKT_CNT 0x2024 /* FIFO packet counter */ 145 146 #define GEM_TX_STATE_MACHINE 0x2028 /* ETX state machine reg */ 147 #define GEM_TX_DATA_PTR 0x2030 /* ETX state machine reg (64-bit)*/ 148 149 #define GEM_TX_COMPLETION 0x2100 150 #define GEM_TX_FIFO_ADDRESS 0x2104 151 #define GEM_TX_FIFO_TAG 0x2108 152 #define GEM_TX_FIFO_DATA_LO 0x210c 153 #define GEM_TX_FIFO_DATA_HI_T1 0x2110 154 #define GEM_TX_FIFO_DATA_HI_T0 0x2114 155 #define GEM_TX_FIFO_SIZE 0x2118 156 #define GEM_TX_DEBUG 0x3028 157 158 159 /* GEM_TX_CONFIG register bits. */ 160 #define GEM_TX_CONFIG_TXDMA_EN 0x00000001 /* TX DMA enable */ 161 #define GEM_TX_CONFIG_TXRING_SZ 0x0000001e /* TX ring size */ 162 #define GEM_TX_CONFIG_TXFIFO_TH 0x001ffc00 /* TX fifo threshold */ 163 #define GEM_TX_CONFIG_PACED 0x00200000 /* TX_all_int modifier */ 164 165 #define GEM_RING_SZ_32 (0<<1) /* 32 descriptors */ 166 #define GEM_RING_SZ_64 (1<<1) 167 #define GEM_RING_SZ_128 (2<<1) 168 #define GEM_RING_SZ_256 (3<<1) 169 #define GEM_RING_SZ_512 (4<<1) 170 #define GEM_RING_SZ_1024 (5<<1) 171 #define GEM_RING_SZ_2048 (6<<1) 172 #define GEM_RING_SZ_4096 (7<<1) 173 #define GEM_RING_SZ_8192 (8<<1) 174 175 176 /* GEM_TX_COMPLETION register bits */ 177 #define GEM_TX_COMPLETION_MASK 0x00001fff /* # of last descriptor */ 178 179 180 /* GEM RX DMA registers */ 181 #define GEM_RX_CONFIG 0x4000 182 #define GEM_RX_RING_PTR_LO 0x4004 /* 64-bits unaligned GAK! */ 183 #define GEM_RX_RING_PTR_HI 0x4008 /* 64-bits unaligned GAK! */ 184 185 #define GEM_RX_FIFO_WR_PTR 0x400c /* FIFO write pointer */ 186 #define GEM_RX_FIFO_SDWR_PTR 0x4010 /* FIFO shadow write pointer */ 187 #define GEM_RX_FIFO_RD_PTR 0x4014 /* FIFO read pointer */ 188 #define GEM_RX_FIFO_PKT_CNT 0x4018 /* FIFO packet counter */ 189 190 #define GEM_RX_STATE_MACHINE 0x401c /* ERX state machine reg */ 191 #define GEM_RX_PAUSE_THRESH 0x4020 192 193 #define GEM_RX_DATA_PTR_LO 0x4024 /* ERX state machine reg */ 194 #define GEM_RX_DATA_PTR_HI 0x4028 /* Damn thing is unaligned */ 195 196 #define GEM_RX_KICK 0x4100 /* Write last valid desc + 1 */ 197 #define GEM_RX_COMPLETION 0x4104 /* First pending desc */ 198 #define GEM_RX_BLANKING 0x4108 /* Interrupt blanking reg */ 199 200 #define GEM_RX_FIFO_ADDRESS 0x410c 201 #define GEM_RX_FIFO_TAG 0x4110 202 #define GEM_RX_FIFO_DATA_LO 0x4114 203 #define GEM_RX_FIFO_DATA_HI_T1 0x4118 204 #define GEM_RX_FIFO_DATA_HI_T0 0x411c 205 #define GEM_RX_FIFO_SIZE 0x4120 206 207 208 /* GEM_RX_CONFIG register bits. */ 209 #define GEM_RX_CONFIG_RXDMA_EN 0x00000001 /* RX DMA enable */ 210 #define GEM_RX_CONFIG_RXRING_SZ 0x0000001e /* RX ring size */ 211 #define GEM_RX_CONFIG_BATCH_DIS 0x00000020 /* desc batching disable */ 212 #define GEM_RX_CONFIG_FBOFF 0x00001c00 /* first byte offset */ 213 #define GEM_RX_CONFIG_CXM_START 0x000fe000 /* cksum start offset bytes */ 214 #define GEM_RX_CONFIG_FIFO_THRS 0x07000000 /* fifo threshold size */ 215 216 #define GEM_THRSH_64 0 217 #define GEM_THRSH_128 1 218 #define GEM_THRSH_256 2 219 #define GEM_THRSH_512 3 220 #define GEM_THRSH_1024 4 221 #define GEM_THRSH_2048 5 222 223 #define GEM_RX_CONFIG_FIFO_THRS_SHIFT 24 224 #define GEM_RX_CONFIG_FBOFF_SHFT 10 225 #define GEM_RX_CONFIG_CXM_START_SHFT 13 226 227 228 /* GEM_RX_PAUSE_THRESH register bits -- sizes in multiples of 64 bytes */ 229 #define GEM_RX_PTH_XOFF_THRESH 0x000001ff 230 #define GEM_RX_PTH_XON_THRESH 0x001ff000 231 232 233 /* GEM_RX_BLANKING register bits */ 234 #define GEM_RX_BLANKING_PACKETS 0x000001ff /* Delay intr for x packets */ 235 #define GEM_RX_BLANKING_TIME 0x000ff000 /* Delay intr for x ticks */ 236 #define GEM_RX_BLANKING_TIME_SHIFT 12 237 /* One tick is 2048 PCI clocks, or 16us at 66MHz */ 238 239 240 /* GEM_MAC registers */ 241 #define GEM_MAC_TXRESET 0x6000 /* Store 1, cleared when done */ 242 #define GEM_MAC_RXRESET 0x6004 /* ditto */ 243 #define GEM_MAC_SEND_PAUSE_CMD 0x6008 244 #define GEM_MAC_TX_STATUS 0x6010 245 #define GEM_MAC_RX_STATUS 0x6014 246 #define GEM_MAC_CONTROL_STATUS 0x6018 /* MAC control status reg */ 247 #define GEM_MAC_TX_MASK 0x6020 /* TX MAC mask register */ 248 #define GEM_MAC_RX_MASK 0x6024 249 #define GEM_MAC_CONTROL_MASK 0x6028 250 #define GEM_MAC_TX_CONFIG 0x6030 251 #define GEM_MAC_RX_CONFIG 0x6034 252 #define GEM_MAC_CONTROL_CONFIG 0x6038 253 #define GEM_MAC_XIF_CONFIG 0x603c 254 #define GEM_MAC_IPG0 0x6040 /* inter packet gap 0 */ 255 #define GEM_MAC_IPG1 0x6044 /* inter packet gap 1 */ 256 #define GEM_MAC_IPG2 0x6048 /* inter packet gap 2 */ 257 #define GEM_MAC_SLOT_TIME 0x604c /* slot time, bits 0-7 */ 258 #define GEM_MAC_MAC_MIN_FRAME 0x6050 259 #define GEM_MAC_MAC_MAX_FRAME 0x6054 260 #define GEM_MAC_PREAMBLE_LEN 0x6058 261 #define GEM_MAC_JAM_SIZE 0x605c 262 #define GEM_MAC_ATTEMPT_LIMIT 0x6060 263 #define GEM_MAC_CONTROL_TYPE 0x6064 264 265 #define GEM_MAC_ADDR0 0x6080 /* Normal MAC address 0 */ 266 #define GEM_MAC_ADDR1 0x6084 267 #define GEM_MAC_ADDR2 0x6088 268 #define GEM_MAC_ADDR3 0x608c /* Alternate MAC address 0 */ 269 #define GEM_MAC_ADDR4 0x6090 270 #define GEM_MAC_ADDR5 0x6094 271 #define GEM_MAC_ADDR6 0x6098 /* Control MAC address 0 */ 272 #define GEM_MAC_ADDR7 0x609c 273 #define GEM_MAC_ADDR8 0x60a0 274 275 #define GEM_MAC_ADDR_FILTER0 0x60a4 276 #define GEM_MAC_ADDR_FILTER1 0x60a8 277 #define GEM_MAC_ADDR_FILTER2 0x60ac 278 #define GEM_MAC_ADR_FLT_MASK1_2 0x60b0 /* Address filter mask 1,2 */ 279 #define GEM_MAC_ADR_FLT_MASK0 0x60b4 /* Address filter mask 0 reg */ 280 281 #define GEM_MAC_HASH0 0x60c0 /* Hash table 0 */ 282 #define GEM_MAC_HASH1 0x60c4 283 #define GEM_MAC_HASH2 0x60c8 284 #define GEM_MAC_HASH3 0x60cc 285 #define GEM_MAC_HASH4 0x60d0 286 #define GEM_MAC_HASH5 0x60d4 287 #define GEM_MAC_HASH6 0x60d8 288 #define GEM_MAC_HASH7 0x60dc 289 #define GEM_MAC_HASH8 0x60e0 290 #define GEM_MAC_HASH9 0x60e4 291 #define GEM_MAC_HASH10 0x60e8 292 #define GEM_MAC_HASH11 0x60ec 293 #define GEM_MAC_HASH12 0x60f0 294 #define GEM_MAC_HASH13 0x60f4 295 #define GEM_MAC_HASH14 0x60f8 296 #define GEM_MAC_HASH15 0x60fc 297 298 #define GEM_MAC_NORM_COLL_CNT 0x6100 /* Normal collision counter */ 299 #define GEM_MAC_FIRST_COLL_CNT 0x6104 /* 1st successful collision cntr */ 300 #define GEM_MAC_EXCESS_COLL_CNT 0x6108 /* Excess collision counter */ 301 #define GEM_MAC_LATE_COLL_CNT 0x610c /* Late collision counter */ 302 #define GEM_MAC_DEFER_TMR_CNT 0x6110 /* defer timer counter */ 303 #define GEM_MAC_PEAK_ATTEMPTS 0x6114 304 #define GEM_MAC_RX_FRAME_COUNT 0x6118 305 #define GEM_MAC_RX_LEN_ERR_CNT 0x611c 306 #define GEM_MAC_RX_ALIGN_ERR 0x6120 307 #define GEM_MAC_RX_CRC_ERR_CNT 0x6124 308 #define GEM_MAC_RX_CODE_VIOL 0x6128 309 #define GEM_MAC_RANDOM_SEED 0x6130 310 #define GEM_MAC_MAC_STATE 0x6134 /* MAC sstate machine reg */ 311 312 313 /* GEM_MAC_SEND_PAUSE_CMD register bits */ 314 #define GEM_MAC_PAUSE_CMD_TIME 0x0000ffff 315 #define GEM_MAC_PAUSE_CMD_SEND 0x00010000 316 317 318 /* GEM_MAC_TX_STATUS and _MASK register bits */ 319 #define GEM_MAC_TX_XMIT_DONE 0x00000001 320 #define GEM_MAC_TX_UNDERRUN 0x00000002 321 #define GEM_MAC_TX_PKT_TOO_LONG 0x00000004 322 #define GEM_MAC_TX_NCC_EXP 0x00000008 /* Normal collision cnt exp */ 323 #define GEM_MAC_TX_ECC_EXP 0x00000010 324 #define GEM_MAC_TX_LCC_EXP 0x00000020 325 #define GEM_MAC_TX_FCC_EXP 0x00000040 326 #define GEM_MAC_TX_DEFER_EXP 0x00000080 327 #define GEM_MAC_TX_PEAK_EXP 0x00000100 328 329 330 /* GEM_MAC_RX_STATUS and _MASK register bits */ 331 #define GEM_MAC_RX_DONE 0x00000001 332 #define GEM_MAC_RX_OVERFLOW 0x00000002 333 #define GEM_MAC_RX_FRAME_CNT 0x00000004 334 #define GEM_MAC_RX_ALIGN_EXP 0x00000008 335 #define GEM_MAC_RX_CRC_EXP 0x00000010 336 #define GEM_MAC_RX_LEN_EXP 0x00000020 337 #define GEM_MAC_RX_CVI_EXP 0x00000040 /* Code violation */ 338 339 340 /* GEM_MAC_CONTROL_STATUS and GEM_MAC_CONTROL_MASK register bits */ 341 #define GEM_MAC_PAUSED 0x00000001 /* Pause received */ 342 #define GEM_MAC_PAUSE 0x00000002 /* enter pause state */ 343 #define GEM_MAC_RESUME 0x00000004 /* exit pause state */ 344 #define GEM_MAC_PAUSE_TIME 0xffff0000 345 #define GEM_MAC_STATUS_BITS "\177\020b\0PAUSED\0b\1PAUSE\0b\2RESUME\0\0" 346 347 /* GEM_MAC_XIF_CONFIG register bits */ 348 #define GEM_MAC_XIF_TX_MII_ENA 0x00000001 /* Enable XIF output drivers */ 349 #define GEM_MAC_XIF_MII_LOOPBK 0x00000002 /* Enable MII loopback mode */ 350 #define GEM_MAC_XIF_ECHO_DISABL 0x00000004 /* Disable echo */ 351 #define GEM_MAC_XIF_GMII_MODE 0x00000008 /* Select GMII/MII mode */ 352 #define GEM_MAC_XIF_MII_BUF_ENA 0x00000010 /* Enable MII recv buffers */ 353 #define GEM_MAC_XIF_LINK_LED 0x00000020 /* force link LED active */ 354 #define GEM_MAC_XIF_FDPLX_LED 0x00000040 /* force FDPLX LED active */ 355 #define GEM_MAC_XIF_BITS "\177\020b\0TXMIIENA\0b\1MIILOOP\0b\2NOECHO" \ 356 "\0b\3GMII\0b\4MIIBUFENA\0b\5LINKLED\0" \ 357 "b\6FDLED\0\0" 358 359 /* GEM_MAC_SLOT_TIME register bits */ 360 #define GEM_MAC_SLOT_INT 0x40 361 #define GEM_MAC_SLOT_EXT 0x200 /* external phy */ 362 #define GEM_MAC_SLOT_BITS "\177\020b\6INTSLOT\0b\x9SLOTEXT\0\0" 363 364 /* GEM_MAC_TX_CONFIG register bits */ 365 #define GEM_MAC_TX_ENABLE 0x00000001 /* TX enable */ 366 #define GEM_MAC_TX_IGN_CARRIER 0x00000002 /* Ignore carrier sense */ 367 #define GEM_MAC_TX_IGN_COLLIS 0x00000004 /* ignore collisions */ 368 #define GEM_MAC_TX_ENA_IPG0 0x00000008 /* extend Rx-to-TX IPG */ 369 #define GEM_MAC_TX_NGU 0x00000010 /* Never give up */ 370 #define GEM_MAC_TX_NGU_LIMIT 0x00000020 /* Never give up limit */ 371 #define GEM_MAC_TX_NO_BACKOFF 0x00000040 372 #define GEM_MAC_TX_SLOWDOWN 0x00000080 373 #define GEM_MAC_TX_NO_FCS 0x00000100 /* no FCS will be generated */ 374 #define GEM_MAC_TX_CARR_EXTEND 0x00000200 /* Ena TX Carrier Extension */ 375 /* Carrier Extension is required for half duplex Gbps operation */ 376 #define GEM_MAC_TX_CONFIG_BITS "\177\020" \ 377 "b\0TXENA\0b\1IGNCAR\0b\2IGNCOLLIS\0" \ 378 "b\3IPG0ENA\0b\4TXNGU\0b\5TXNGULIM\0" \ 379 "b\6NOBKOFF\0b\7SLOWDN\0b\x8NOFCS\0" \ 380 "b\x9TXCARREXT\0\0" 381 382 383 /* GEM_MAC_RX_CONFIG register bits */ 384 #define GEM_MAC_RX_ENABLE 0x00000001 /* RX enable */ 385 #define GEM_MAC_RX_STRIP_PAD 0x00000002 /* strip pad bytes */ 386 #define GEM_MAC_RX_STRIP_CRC 0x00000004 387 #define GEM_MAC_RX_PROMISCUOUS 0x00000008 /* promiscuous mode */ 388 #define GEM_MAC_RX_PROMISC_GRP 0x00000010 /* promiscuous group mode */ 389 #define GEM_MAC_RX_HASH_FILTER 0x00000020 /* enable hash filter */ 390 #define GEM_MAC_RX_ADDR_FILTER 0x00000040 /* enable address filter */ 391 #define GEM_MAC_RX_ERRCHK_DIS 0x00000080 /* disable error checking */ 392 #define GEM_MAC_RX_CARR_EXTEND 0x00000100 /* Ena RX Carrier Extension */ 393 /* 394 * Carrier Extension enables reception of packet bursts generated by 395 * senders with carrier extension enabled. 396 */ 397 #define GEM_MAC_RX_CONFIG_BITS "\177\020" \ 398 "b\0RXENA\0b\1STRPAD\0b\2STRCRC\0" \ 399 "b\3PROMIS\0b\4PROMISCGRP\0b\5HASHFLTR\0" \ 400 "b\6ADDRFLTR\0b\7ERRCHKDIS\0b\x9TXCARREXT\0\0" 401 402 403 /* GEM_MAC_CONTROL_CONFIG bits */ 404 #define GEM_MAC_CC_TX_PAUSE 0x00000001 /* send pause enabled */ 405 #define GEM_MAC_CC_RX_PAUSE 0x00000002 /* receive pause enabled */ 406 #define GEM_MAC_CC_PASS_PAUSE 0x00000004 /* pass pause up */ 407 #define GEM_MAC_CC_BITS "\177\020b\0TXPAUSE\0b\1RXPAUSE\0b\2NOPAUSE\0\0" 408 409 410 /* GEM MIF registers */ 411 /* Bit bang registers use low bit only */ 412 #define GEM_MIF_BB_CLOCK 0x6200 /* bit bang clock */ 413 #define GEM_MIF_BB_DATA 0x6204 /* bit bang data */ 414 #define GEM_MIF_BB_OUTPUT_ENAB 0x6208 415 #define GEM_MIF_FRAME 0x620c /* MIF frame - ctl and data */ 416 #define GEM_MIF_CONFIG 0x6210 417 #define GEM_MIF_INTERRUPT_MASK 0x6214 418 #define GEM_MIF_BASIC_STATUS 0x6218 419 #define GEM_MIF_STATE_MACHINE 0x621c 420 421 422 /* GEM_MIF_FRAME bits */ 423 #define GEM_MIF_FRAME_DATA 0x0000ffff 424 #define GEM_MIF_FRAME_TA0 0x00010000 /* TA bit, 1 for completion */ 425 #define GEM_MIF_FRAME_TA1 0x00020000 /* TA bits */ 426 #define GEM_MIF_FRAME_REG_ADDR 0x007c0000 427 #define GEM_MIF_FRAME_PHY_ADDR 0x0f800000 /* phy address, should be 0 */ 428 #define GEM_MIF_FRAME_OP 0x30000000 /* operation - write/read */ 429 #define GEM_MIF_FRAME_START 0xc0000000 /* START bits */ 430 431 #define GEM_MIF_FRAME_READ 0x60020000 432 #define GEM_MIF_FRAME_WRITE 0x50020000 433 434 #define GEM_MIF_REG_SHIFT 18 435 #define GEM_MIF_PHY_SHIFT 23 436 437 438 /* GEM_MIF_CONFIG register bits */ 439 #define GEM_MIF_CONFIG_PHY_SEL 0x00000001 /* PHY select, 0=MDIO0 */ 440 #define GEM_MIF_CONFIG_POLL_ENA 0x00000002 /* poll enable */ 441 #define GEM_MIF_CONFIG_BB_ENA 0x00000004 /* bit bang enable */ 442 #define GEM_MIF_CONFIG_REG_ADR 0x000000f8 /* poll register address */ 443 #define GEM_MIF_CONFIG_MDI0 0x00000100 /* MDIO_0 Data/MDIO_0 atached */ 444 #define GEM_MIF_CONFIG_MDI1 0x00000200 /* MDIO_1 Data/MDIO_1 atached */ 445 #define GEM_MIF_CONFIG_PHY_ADR 0x00007c00 /* poll PHY address */ 446 /* MDI0 is onboard transceiver MID1 is external, PHYAD for both is 0 */ 447 #define GEM_MIF_CONFIG_BITS "\177\020b\0PHYSEL\0b\1POLL\0b\2BBENA\0" \ 448 "b\x8MDIO0\0b\x9MDIO1\0\0" 449 450 451 /* GEM_MIF_BASIC_STATUS and GEM_MIF_INTERRUPT_MASK bits */ 452 #define GEM_MIF_STATUS 0x0000ffff 453 #define GEM_MIF_BASIC 0xffff0000 454 /* 455 * The Basic part is the last value read in the POLL field of the config 456 * register. 457 * 458 * The status part indicates the bits that have changed. 459 */ 460 461 462 /* The GEM PCS/Serial link registers. */ 463 /* DO NOT TOUCH THESE REGISTERS ON ERI -- IT HARD HANGS. */ 464 #define GEM_MII_CONTROL 0x9000 465 #define GEM_MII_STATUS 0x9004 466 #define GEM_MII_ANAR 0x9008 /* MII advertisement reg */ 467 #define GEM_MII_ANLPAR 0x900c /* Link Partner Ability Reg */ 468 #define GEM_MII_CONFIG 0x9010 469 #define GEM_MII_STATE_MACHINE 0x9014 470 #define GEM_MII_INTERRUP_STATUS 0x9018 /* PCS interrupt state */ 471 #define GEM_MII_DATAPATH_MODE 0x9050 472 #define GEM_MII_SLINK_CONTROL 0x9054 /* Serial link control */ 473 #define GEM_MII_OUTPUT_SELECT 0x9058 474 #define GEM_MII_SLINK_STATUS 0x905c /* serial link status */ 475 476 477 /* GEM_MII_CONTROL bits - PCS "BMCR" (Basic Mode Control Reg) */ 478 #define GEM_MII_CONTROL_RESET 0x00008000 479 #define GEM_MII_CONTROL_LOOPBK 0x00004000 /* 10-bit i/f loopback */ 480 #define GEM_MII_CONTROL_1000M 0x00002000 /* speed select, always 0 */ 481 #define GEM_MII_CONTROL_AUTONEG 0x00001000 /* auto negotiation enabled */ 482 #define GEM_MII_CONTROL_POWERDN 0x00000800 483 #define GEM_MII_CONTROL_ISOLATE 0x00000400 /* isolate phy from mii */ 484 #define GEM_MII_CONTROL_RAN 0x00000200 /* restart auto negotiation */ 485 #define GEM_MII_CONTROL_FDUPLEX 0x00000100 /* full duplex, always 0 */ 486 #define GEM_MII_CONTROL_COL_TST 0x00000080 /* collision test */ 487 #define GEM_MII_CONTROL_BITS "\177\020b\7COLTST\0b\x8_FD\0b\x9RAN\0" \ 488 "b\xaISOLATE\0b\xbPWRDWN\0b\xc_ANEG\0" \ 489 "b\xdGIGE\0b\xeLOOP\0b\xfRESET\0\0" 490 491 492 /* GEM_MII_STATUS reg - PCS "BMSR" (Basic Mode Status Reg) */ 493 #define GEM_MII_STATUS_GB_FDX 0x00000400 /* can perform GBit FDX */ 494 #define GEM_MII_STATUS_GB_HDX 0x00000200 /* can perform GBit HDX */ 495 #define GEM_MII_STATUS_UNK 0x00000100 496 #define GEM_MII_STATUS_ANEG_CPT 0x00000020 /* auto negotiate compete */ 497 #define GEM_MII_STATUS_REM_FLT 0x00000010 /* remote fault detected */ 498 #define GEM_MII_STATUS_ACFG 0x00000008 /* can auto negotiate */ 499 #define GEM_MII_STATUS_LINK_STS 0x00000004 /* link status */ 500 #define GEM_MII_STATUS_JABBER 0x00000002 /* jabber condition detected */ 501 #define GEM_MII_STATUS_EXTCAP 0x00000001 /* extended register capability */ 502 #define GEM_MII_STATUS_BITS "\177\020b\0EXTCAP\0b\1JABBER\0b\2LINKSTS\0" \ 503 "b\3ACFG\0b\4REMFLT\0b\5ANEGCPT\0b\x9GBHDX\0" \ 504 "b\xaGBFDX\0\0" 505 506 507 /* GEM_MII_ANAR and GEM_MII_ANLPAR reg bits */ 508 #define GEM_MII_ANEG_NP 0x00008000 /* next page bit */ 509 #define GEM_MII_ANEG_ACK 0x00004000 /* ack reception of */ 510 /* Link Partner Capability */ 511 #define GEM_MII_ANEG_RF 0x00003000 /* advertise remote fault cap */ 512 #define GEM_MII_ANEG_ASYM_PAUSE 0x00000100 /* asymmetric pause */ 513 #define GEM_MII_ANEG_SYM_PAUSE 0x00000080 /* symmetric pause */ 514 #define GEM_MII_ANEG_HLF_DUPLX 0x00000040 515 #define GEM_MII_ANEG_FUL_DUPLX 0x00000020 516 #define GEM_MII_ANEG_BITS "\177\020b\5FDX\0b\6HDX\0b\7SYMPAUSE\0" \ 517 "\b\x8_ASYMPAUSE\0\b\xdREMFLT\0\b\xeLPACK\0" \ 518 "\b\xfNPBIT\0\0" 519 520 521 /* GEM_MII_CONFIG reg */ 522 #define GEM_MII_CONFIG_TIMER 0x0000000e /* link monitor timer values */ 523 #define GEM_MII_CONFIG_ANTO 0x00000020 /* 10ms ANEG timer override */ 524 #define GEM_MII_CONFIG_JS 0x00000018 /* Jitter Study, 0 normal 525 * 1 high freq, 2 low freq */ 526 #define GEM_MII_CONFIG_SDL 0x00000004 /* Signal Detect active low */ 527 #define GEM_MII_CONFIG_SDO 0x00000002 /* Signal Detect Override */ 528 #define GEM_MII_CONFIG_ENABLE 0x00000001 /* Enable PCS */ 529 #define GEM_MII_CONFIG_BITS "\177\020b\0PCSENA\0\0" 530 531 532 /* 533 * GEM_MII_STATE_MACHINE 534 * XXX These are best guesses from observed behavior. 535 */ 536 #define GEM_MII_FSM_STOP 0x00000000 /* stopped */ 537 #define GEM_MII_FSM_RUN 0x00000001 /* running */ 538 #define GEM_MII_FSM_UNKWN 0x00000100 /* unknown */ 539 #define GEM_MII_FSM_DONE 0x00000101 /* complete */ 540 541 542 /* 543 * GEM_MII_INTERRUP_STATUS reg 544 * No mask register; mask with the global interrupt mask register. 545 */ 546 #define GEM_MII_INTERRUP_LINK 0x00000002 /* PCS link status change */ 547 548 549 /* GEM_MII_DATAPATH_MODE reg */ 550 #define GEM_MII_DATAPATH_SERIAL 0x00000001 /* Serial link */ 551 #define GEM_MII_DATAPATH_SERDES 0x00000002 /* Use PCS via 10bit interfac */ 552 #define GEM_MII_DATAPATH_MII 0x00000004 /* Use {G}MII, not PCS */ 553 #define GEM_MII_DATAPATH_MIIOUT 0x00000008 /* enable serial output on GMII */ 554 #define GEM_MII_DATAPATH_BITS "\177\020" \ 555 "b\0SERIAL\0b\1SERDES\0b\2MII\0b\3MIIOUT\0\0" 556 557 558 /* GEM_MII_SLINK_CONTROL reg */ 559 #define GEM_MII_SLINK_LOOPBACK 0x00000001 /* enable loopback at sl, logic 560 * reversed for SERDES */ 561 #define GEM_MII_SLINK_EN_SYNC_D 0x00000002 /* enable sync detection */ 562 #define GEM_MII_SLINK_LOCK_REF 0x00000004 /* lock reference clock */ 563 #define GEM_MII_SLINK_EMPHASIS 0x00000008 /* enable emphasis */ 564 #define GEM_MII_SLINK_SELFTEST 0x000001c0 565 #define GEM_MII_SLINK_POWER_OFF 0x00000200 /* Power down serial link */ 566 #define GEM_MII_SLINK_CONTROL_BITS \ 567 "\177\020b\0LOOP\0b\1ENASYNC\0b\2LOCKREF" \ 568 "\0b\3EMPHASIS\0b\x9PWRDWN\0\0" 569 570 571 /* GEM_MII_SLINK_STATUS reg */ 572 #define GEM_MII_SLINK_TEST 0x00000000 /* undergoing test */ 573 #define GEM_MII_SLINK_LOCKED 0x00000001 /* waiting 500us lockrefn */ 574 #define GEM_MII_SLINK_COMMA 0x00000002 /* waiting for comma detect */ 575 #define GEM_MII_SLINK_SYNC 0x00000003 /* recv data synchronized */ 576 577 578 /* Wired GEM PHY addresses */ 579 #define GEM_PHYAD_INTERNAL 1 580 #define GEM_PHYAD_EXTERNAL 0 581 582 /* 583 * GEM descriptor table structures. 584 */ 585 struct gem_desc { 586 volatile uint64_t gd_flags; 587 volatile uint64_t gd_addr; 588 }; 589 590 /* Transmit flags */ 591 #define GEM_TD_BUFSIZE 0x0000000000007fffLL 592 #define GEM_TD_CXSUM_START 0x00000000001f8000LL /* Cxsum start offset */ 593 #define GEM_TD_CXSUM_STARTSHFT 15 594 #define GEM_TD_CXSUM_STUFF 0x000000001fe00000LL /* Cxsum stuff offset */ 595 #define GEM_TD_CXSUM_STUFFSHFT 21 596 #define GEM_TD_CXSUM_ENABLE 0x0000000020000000LL /* Cxsum generation enable */ 597 #define GEM_TD_END_OF_PACKET 0x0000000040000000LL 598 #define GEM_TD_START_OF_PACKET 0x0000000080000000LL 599 #define GEM_TD_INTERRUPT_ME 0x0000000100000000LL /* Interrupt me now */ 600 #define GEM_TD_NO_CRC 0x0000000200000000LL /* do not insert crc */ 601 /* 602 * Only need to set GEM_TD_CXSUM_ENABLE, GEM_TD_CXSUM_STUFF, 603 * GEM_TD_CXSUM_START, and GEM_TD_INTERRUPT_ME in 1st descriptor of a group. 604 */ 605 606 /* Receive flags */ 607 #define GEM_RD_CHECKSUM 0x000000000000ffffLL /* is the complement */ 608 #define GEM_RD_BUFSIZE 0x000000007fff0000LL 609 #define GEM_RD_OWN 0x0000000080000000LL /* 1 - owned by h/w */ 610 #define GEM_RD_HASHVAL 0x0ffff00000000000LL 611 #define GEM_RD_HASH_PASS 0x1000000000000000LL /* passed hash filter */ 612 #define GEM_RD_ALTERNATE_MAC 0x2000000000000000LL /* Alternate MAC adrs */ 613 #define GEM_RD_BAD_CRC 0x4000000000000000LL 614 615 #define GEM_RD_BUFSHIFT 16 616 #define GEM_RD_BUFLEN(x) (((x)&GEM_RD_BUFSIZE)>>GEM_RD_BUFSHIFT) 617 618 #endif 619
Indexes created Fri Sep 26 20:09:58 GMT 2025