1 /*- 2 * Copyright (C) 2001 Eduardo Horvath. 3 * All rights reserved. 4 * 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * from: NetBSD: gemreg.h,v 1.9 2006/11/24 13:01:07 martin Exp 28 * 29 * $FreeBSD$ 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 /* maximum burst size 64KB */ 76 #define GEM_CONFIG_BURST_INF 0x000000001 /* infinite for entire packet */ 77 #define GEM_CONFIG_TXDMA_LIMIT 0x00000003e 78 #define GEM_CONFIG_RXDMA_LIMIT 0x0000007c0 79 /* GEM_CONFIG_RONPAULBIT and GEM_CONFIG_BUG2FIX are Apple only. */ 80 #define GEM_CONFIG_RONPAULBIT 0x000000800 /* after infinite burst use */ 81 /* memory read multiple for */ 82 /* PCI commands */ 83 #define GEM_CONFIG_BUG2FIX 0x000001000 /* fix RX hang after overflow */ 84 85 #define GEM_CONFIG_TXDMA_LIMIT_SHIFT 1 86 #define GEM_CONFIG_RXDMA_LIMIT_SHIFT 6 87 88 89 /* Top part of GEM_STATUS has TX completion information */ 90 #define GEM_STATUS_TX_COMPL 0xfff800000 /* TX completion reg. */ 91 92 93 /* 94 * Interrupt bits, for both the GEM_STATUS and GEM_INTMASK regs 95 * Bits 0-6 auto-clear when read. 96 */ 97 #define GEM_INTR_TX_INTME 0x000000001 /* Frame w/INTME bit set sent */ 98 #define GEM_INTR_TX_EMPTY 0x000000002 /* TX ring empty */ 99 #define GEM_INTR_TX_DONE 0x000000004 /* TX complete */ 100 #define GEM_INTR_RX_DONE 0x000000010 /* Got a packet */ 101 #define GEM_INTR_RX_NOBUF 0x000000020 102 #define GEM_INTR_RX_TAG_ERR 0x000000040 103 #define GEM_INTR_PERR 0x000000080 /* Parity error */ 104 #define GEM_INTR_PCS 0x000002000 /* Physical Code Sub-layer */ 105 #define GEM_INTR_TX_MAC 0x000004000 106 #define GEM_INTR_RX_MAC 0x000008000 107 #define GEM_INTR_MAC_CONTROL 0x000010000 /* MAC control interrupt */ 108 #define GEM_INTR_MIF 0x000020000 109 #define GEM_INTR_BERR 0x000040000 /* Bus error interrupt */ 110 #define GEM_INTR_BITS "\177\020" \ 111 "b\0INTME\0b\1TXEMPTY\0b\2TXDONE\0" \ 112 "b\4RXDONE\0b\5RXNOBUF\0b\6RX_TAG_ERR\0" \ 113 "b\xdPCS\0b\xeTXMAC\0b\xfRXMAC\0" \ 114 "b\x10MAC_CONTROL\0b\x11MIF\0b\x12IBERR\0\0" 115 116 117 /* GEM_ERROR_STATUS and GEM_ERROR_MASK PCI error bits */ 118 #define GEM_ERROR_STAT_BADACK 0x000000001 /* No ACK64# */ 119 #define GEM_ERROR_STAT_DTRTO 0x000000002 /* Delayed xaction timeout */ 120 #define GEM_ERROR_STAT_OTHERS 0x000000004 121 #define GEM_ERROR_BITS "\177\020b\0ACKBAD\0b\1DTRTO\0b\2OTHER\0\0" 122 123 124 /* GEM_BIF_CONFIG register bits */ 125 #define GEM_BIF_CONFIG_SLOWCLK 0x000000001 /* Parity error timing */ 126 #define GEM_BIF_CONFIG_HOST_64 0x000000002 /* 64-bit host */ 127 #define GEM_BIF_CONFIG_B64D_DIS 0x000000004 /* no 64-bit data cycle */ 128 #define GEM_BIF_CONFIG_M66EN 0x000000008 129 #define GEM_BIF_CONFIG_BITS "\177\020b\0SLOWCLK\0b\1HOST64\0" \ 130 "b\2B64DIS\0b\3M66EN\0\0" 131 132 133 /* GEM_RESET register bits -- TX and RX self clear when complete. */ 134 #define GEM_RESET_TX 0x000000001 /* Reset TX half */ 135 #define GEM_RESET_RX 0x000000002 /* Reset RX half */ 136 #define GEM_RESET_RSTOUT 0x000000004 /* Force PCI RSTOUT# */ 137 138 139 /* The rest of the registers live in the first bank again. */ 140 /* GEM TX DMA registers */ 141 #define GEM_TX_KICK 0x2000 /* Write last valid desc + 1 */ 142 #define GEM_TX_CONFIG 0x2004 143 #define GEM_TX_RING_PTR_LO 0x2008 144 #define GEM_TX_RING_PTR_HI 0x200c 145 146 #define GEM_TX_FIFO_WR_PTR 0x2014 /* FIFO write pointer */ 147 #define GEM_TX_FIFO_SDWR_PTR 0x2018 /* FIFO shadow write pointer */ 148 #define GEM_TX_FIFO_RD_PTR 0x201c /* FIFO read pointer */ 149 #define GEM_TX_FIFO_SDRD_PTR 0x2020 /* FIFO shadow read pointer */ 150 #define GEM_TX_FIFO_PKT_CNT 0x2024 /* FIFO packet counter */ 151 152 #define GEM_TX_STATE_MACHINE 0x2028 /* ETX state machine reg */ 153 #define GEM_TX_DATA_PTR_LO 0x2030 154 #define GEM_TX_DATA_PTR_HI 0x2034 155 156 #define GEM_TX_COMPLETION 0x2100 157 #define GEM_TX_FIFO_ADDRESS 0x2104 158 #define GEM_TX_FIFO_TAG 0x2108 159 #define GEM_TX_FIFO_DATA_LO 0x210c 160 #define GEM_TX_FIFO_DATA_HI_T1 0x2110 161 #define GEM_TX_FIFO_DATA_HI_T0 0x2114 162 #define GEM_TX_FIFO_SIZE 0x2118 163 #define GEM_TX_DEBUG 0x3028 164 165 166 /* GEM_TX_CONFIG register bits */ 167 #define GEM_TX_CONFIG_TXDMA_EN 0x00000001 /* TX DMA enable */ 168 #define GEM_TX_CONFIG_TXRING_SZ 0x0000001e /* TX ring size */ 169 #define GEM_TX_CONFIG_TXFIFO_TH 0x001ffc00 /* TX fifo threshold */ 170 #define GEM_TX_CONFIG_PACED 0x00200000 /* TX_all_int modifier */ 171 172 #define GEM_RING_SZ_32 (0<<1) /* 32 descriptors */ 173 #define GEM_RING_SZ_64 (1<<1) 174 #define GEM_RING_SZ_128 (2<<1) 175 #define GEM_RING_SZ_256 (3<<1) 176 #define GEM_RING_SZ_512 (4<<1) 177 #define GEM_RING_SZ_1024 (5<<1) 178 #define GEM_RING_SZ_2048 (6<<1) 179 #define GEM_RING_SZ_4096 (7<<1) 180 #define GEM_RING_SZ_8192 (8<<1) 181 182 183 /* GEM_TX_COMPLETION register bits */ 184 #define GEM_TX_COMPLETION_MASK 0x00001fff /* # of last descriptor */ 185 186 187 /* GEM RX DMA registers */ 188 #define GEM_RX_CONFIG 0x4000 189 #define GEM_RX_RING_PTR_LO 0x4004 /* 64-bits unaligned GAK! */ 190 #define GEM_RX_RING_PTR_HI 0x4008 /* 64-bits unaligned GAK! */ 191 192 #define GEM_RX_FIFO_WR_PTR 0x400c /* FIFO write pointer */ 193 #define GEM_RX_FIFO_SDWR_PTR 0x4010 /* FIFO shadow write pointer */ 194 #define GEM_RX_FIFO_RD_PTR 0x4014 /* FIFO read pointer */ 195 #define GEM_RX_FIFO_PKT_CNT 0x4018 /* FIFO packet counter */ 196 197 #define GEM_RX_STATE_MACHINE 0x401c /* ERX state machine reg */ 198 #define GEM_RX_PAUSE_THRESH 0x4020 199 200 #define GEM_RX_DATA_PTR_LO 0x4024 /* ERX state machine reg */ 201 #define GEM_RX_DATA_PTR_HI 0x4028 /* Damn thing is unaligned */ 202 203 #define GEM_RX_KICK 0x4100 /* Write last valid desc + 1 */ 204 #define GEM_RX_COMPLETION 0x4104 /* First pending desc */ 205 #define GEM_RX_BLANKING 0x4108 /* Interrupt blanking reg */ 206 207 #define GEM_RX_FIFO_ADDRESS 0x410c 208 #define GEM_RX_FIFO_TAG 0x4110 209 #define GEM_RX_FIFO_DATA_LO 0x4114 210 #define GEM_RX_FIFO_DATA_HI_T1 0x4118 211 #define GEM_RX_FIFO_DATA_HI_T0 0x411c 212 #define GEM_RX_FIFO_SIZE 0x4120 213 214 215 /* GEM_RX_CONFIG register bits */ 216 #define GEM_RX_CONFIG_RXDMA_EN 0x00000001 /* RX DMA enable */ 217 #define GEM_RX_CONFIG_RXRING_SZ 0x0000001e /* RX ring size */ 218 #define GEM_RX_CONFIG_BATCH_DIS 0x00000020 /* desc batching disable */ 219 #define GEM_RX_CONFIG_FBOFF 0x00001c00 /* first byte offset */ 220 #define GEM_RX_CONFIG_CXM_START 0x000fe000 /* cksum start offset bytes */ 221 #define GEM_RX_CONFIG_FIFO_THRS 0x07000000 /* fifo threshold size */ 222 223 #define GEM_THRSH_64 0 224 #define GEM_THRSH_128 1 225 #define GEM_THRSH_256 2 226 #define GEM_THRSH_512 3 227 #define GEM_THRSH_1024 4 228 #define GEM_THRSH_2048 5 229 230 #define GEM_RX_CONFIG_FIFO_THRS_SHIFT 24 231 #define GEM_RX_CONFIG_FBOFF_SHFT 10 232 #define GEM_RX_CONFIG_CXM_START_SHFT 13 233 234 235 /* GEM_RX_PAUSE_THRESH register bits -- sizes in multiples of 64 bytes */ 236 #define GEM_RX_PTH_XOFF_THRESH 0x000001ff 237 #define GEM_RX_PTH_XON_THRESH 0x001ff000 238 239 240 /* GEM_RX_BLANKING register bits */ 241 #define GEM_RX_BLANKING_PACKETS 0x000001ff /* Delay intr for x packets */ 242 #define GEM_RX_BLANKING_TIME 0x000ff000 /* Delay intr for x ticks */ 243 #define GEM_RX_BLANKING_TIME_SHIFT 12 244 /* One tick is 2048 PCI clocks, or 16us at 66MHz */ 245 246 247 /* GEM_MAC registers */ 248 #define GEM_MAC_TXRESET 0x6000 /* Store 1, cleared when done */ 249 #define GEM_MAC_RXRESET 0x6004 /* ditto */ 250 #define GEM_MAC_SEND_PAUSE_CMD 0x6008 251 #define GEM_MAC_TX_STATUS 0x6010 252 #define GEM_MAC_RX_STATUS 0x6014 253 #define GEM_MAC_CONTROL_STATUS 0x6018 /* MAC control status reg */ 254 #define GEM_MAC_TX_MASK 0x6020 /* TX MAC mask register */ 255 #define GEM_MAC_RX_MASK 0x6024 256 #define GEM_MAC_CONTROL_MASK 0x6028 257 #define GEM_MAC_TX_CONFIG 0x6030 258 #define GEM_MAC_RX_CONFIG 0x6034 259 #define GEM_MAC_CONTROL_CONFIG 0x6038 260 #define GEM_MAC_XIF_CONFIG 0x603c 261 #define GEM_MAC_IPG0 0x6040 /* inter packet gap 0 */ 262 #define GEM_MAC_IPG1 0x6044 /* inter packet gap 1 */ 263 #define GEM_MAC_IPG2 0x6048 /* inter packet gap 2 */ 264 #define GEM_MAC_SLOT_TIME 0x604c /* slot time, bits 0-7 */ 265 #define GEM_MAC_MAC_MIN_FRAME 0x6050 266 #define GEM_MAC_MAC_MAX_FRAME 0x6054 267 #define GEM_MAC_PREAMBLE_LEN 0x6058 268 #define GEM_MAC_JAM_SIZE 0x605c 269 #define GEM_MAC_ATTEMPT_LIMIT 0x6060 270 #define GEM_MAC_CONTROL_TYPE 0x6064 271 272 #define GEM_MAC_ADDR0 0x6080 /* Normal MAC address 0 */ 273 #define GEM_MAC_ADDR1 0x6084 274 #define GEM_MAC_ADDR2 0x6088 275 #define GEM_MAC_ADDR3 0x608c /* Alternate MAC address 0 */ 276 #define GEM_MAC_ADDR4 0x6090 277 #define GEM_MAC_ADDR5 0x6094 278 #define GEM_MAC_ADDR6 0x6098 /* Control MAC address 0 */ 279 #define GEM_MAC_ADDR7 0x609c 280 #define GEM_MAC_ADDR8 0x60a0 281 282 #define GEM_MAC_ADDR_FILTER0 0x60a4 283 #define GEM_MAC_ADDR_FILTER1 0x60a8 284 #define GEM_MAC_ADDR_FILTER2 0x60ac 285 #define GEM_MAC_ADR_FLT_MASK1_2 0x60b0 /* Address filter mask 1,2 */ 286 #define GEM_MAC_ADR_FLT_MASK0 0x60b4 /* Address filter mask 0 reg */ 287 288 #define GEM_MAC_HASH0 0x60c0 /* Hash table 0 */ 289 #define GEM_MAC_HASH1 0x60c4 290 #define GEM_MAC_HASH2 0x60c8 291 #define GEM_MAC_HASH3 0x60cc 292 #define GEM_MAC_HASH4 0x60d0 293 #define GEM_MAC_HASH5 0x60d4 294 #define GEM_MAC_HASH6 0x60d8 295 #define GEM_MAC_HASH7 0x60dc 296 #define GEM_MAC_HASH8 0x60e0 297 #define GEM_MAC_HASH9 0x60e4 298 #define GEM_MAC_HASH10 0x60e8 299 #define GEM_MAC_HASH11 0x60ec 300 #define GEM_MAC_HASH12 0x60f0 301 #define GEM_MAC_HASH13 0x60f4 302 #define GEM_MAC_HASH14 0x60f8 303 #define GEM_MAC_HASH15 0x60fc 304 305 #define GEM_MAC_NORM_COLL_CNT 0x6100 /* Normal collision counter */ 306 #define GEM_MAC_FIRST_COLL_CNT 0x6104 /* 1st successful collision cntr */ 307 #define GEM_MAC_EXCESS_COLL_CNT 0x6108 /* Excess collision counter */ 308 #define GEM_MAC_LATE_COLL_CNT 0x610c /* Late collision counter */ 309 #define GEM_MAC_DEFER_TMR_CNT 0x6110 /* defer timer counter */ 310 #define GEM_MAC_PEAK_ATTEMPTS 0x6114 311 #define GEM_MAC_RX_FRAME_COUNT 0x6118 312 #define GEM_MAC_RX_LEN_ERR_CNT 0x611c 313 #define GEM_MAC_RX_ALIGN_ERR 0x6120 314 #define GEM_MAC_RX_CRC_ERR_CNT 0x6124 315 #define GEM_MAC_RX_CODE_VIOL 0x6128 316 #define GEM_MAC_RANDOM_SEED 0x6130 317 #define GEM_MAC_MAC_STATE 0x6134 /* MAC state machine reg */ 318 319 320 /* GEM_MAC_SEND_PAUSE_CMD register bits */ 321 #define GEM_MAC_PAUSE_CMD_TIME 0x0000ffff 322 #define GEM_MAC_PAUSE_CMD_SEND 0x00010000 323 324 325 /* GEM_MAC_TX_STATUS and _MASK register bits */ 326 #define GEM_MAC_TX_XMIT_DONE 0x00000001 327 #define GEM_MAC_TX_UNDERRUN 0x00000002 328 #define GEM_MAC_TX_PKT_TOO_LONG 0x00000004 329 #define GEM_MAC_TX_NCC_EXP 0x00000008 /* Normal collision cnt exp */ 330 #define GEM_MAC_TX_ECC_EXP 0x00000010 331 #define GEM_MAC_TX_LCC_EXP 0x00000020 332 #define GEM_MAC_TX_FCC_EXP 0x00000040 333 #define GEM_MAC_TX_DEFER_EXP 0x00000080 334 #define GEM_MAC_TX_PEAK_EXP 0x00000100 335 336 337 /* GEM_MAC_RX_STATUS and _MASK register bits */ 338 #define GEM_MAC_RX_DONE 0x00000001 339 #define GEM_MAC_RX_OVERFLOW 0x00000002 340 #define GEM_MAC_RX_FRAME_CNT 0x00000004 341 #define GEM_MAC_RX_ALIGN_EXP 0x00000008 342 #define GEM_MAC_RX_CRC_EXP 0x00000010 343 #define GEM_MAC_RX_LEN_EXP 0x00000020 344 #define GEM_MAC_RX_CVI_EXP 0x00000040 /* Code violation */ 345 346 347 /* GEM_MAC_CONTROL_STATUS and GEM_MAC_CONTROL_MASK register bits */ 348 #define GEM_MAC_PAUSED 0x00000001 /* Pause received */ 349 #define GEM_MAC_PAUSE 0x00000002 /* enter pause state */ 350 #define GEM_MAC_RESUME 0x00000004 /* exit pause state */ 351 #define GEM_MAC_PAUSE_TIME_SLTS 0xffff0000 /* pause time in slots */ 352 #define GEM_MAC_STATUS_BITS "\177\020b\0PAUSED\0b\1PAUSE\0b\2RESUME\0\0" 353 354 #define GEM_MAC_PAUSE_TIME_SHFT 16 355 #define GEM_MAC_PAUSE_TIME(x) \ 356 (((x) & GEM_MAC_PAUSE_TIME_SLTS) >> GEM_MAC_PAUSE_TIME_SHFT) 357 358 /* GEM_MAC_XIF_CONFIG register bits */ 359 #define GEM_MAC_XIF_TX_MII_ENA 0x00000001 /* Enable XIF output drivers */ 360 #define GEM_MAC_XIF_MII_LOOPBK 0x00000002 /* Enable MII loopback mode */ 361 #define GEM_MAC_XIF_ECHO_DISABL 0x00000004 /* Disable echo */ 362 #define GEM_MAC_XIF_GMII_MODE 0x00000008 /* Select GMII/MII mode */ 363 #define GEM_MAC_XIF_MII_BUF_ENA 0x00000010 /* Enable MII recv buffers */ 364 #define GEM_MAC_XIF_LINK_LED 0x00000020 /* force link LED active */ 365 #define GEM_MAC_XIF_FDPLX_LED 0x00000040 /* force FDPLX LED active */ 366 #define GEM_MAC_XIF_BITS "\177\020b\0TXMIIENA\0b\1MIILOOP\0b\2NOECHO" \ 367 "\0b\3GMII\0b\4MIIBUFENA\0b\5LINKLED\0" \ 368 "b\6FDLED\0\0" 369 370 /* 371 * GEM_MAC_SLOT_TIME register 372 * The slot time is used as PAUSE time unit, value depends on whether carrier 373 * extension is enabled. 374 */ 375 #define GEM_MAC_SLOT_TIME_CARR_EXTEND 0x200 376 #define GEM_MAC_SLOT_TIME_NORMAL 0x40 377 378 /* GEM_MAC_TX_CONFIG register bits */ 379 #define GEM_MAC_TX_ENABLE 0x00000001 /* TX enable */ 380 #define GEM_MAC_TX_IGN_CARRIER 0x00000002 /* Ignore carrier sense */ 381 #define GEM_MAC_TX_IGN_COLLIS 0x00000004 /* ignore collisions */ 382 #define GEM_MAC_TX_ENA_IPG0 0x00000008 /* extend RX-to-TX IPG */ 383 #define GEM_MAC_TX_NGU 0x00000010 /* Never give up */ 384 #define GEM_MAC_TX_NGU_LIMIT 0x00000020 /* Never give up limit */ 385 #define GEM_MAC_TX_NO_BACKOFF 0x00000040 386 #define GEM_MAC_TX_SLOWDOWN 0x00000080 387 #define GEM_MAC_TX_NO_FCS 0x00000100 /* no FCS will be generated */ 388 #define GEM_MAC_TX_CARR_EXTEND 0x00000200 /* Ena TX Carrier Extension */ 389 /* Carrier Extension is required for half duplex Gbps operation */ 390 #define GEM_MAC_TX_CONFIG_BITS "\177\020" \ 391 "b\0TXENA\0b\1IGNCAR\0b\2IGNCOLLIS\0" \ 392 "b\3IPG0ENA\0b\4TXNGU\0b\5TXNGULIM\0" \ 393 "b\6NOBKOFF\0b\7SLOWDN\0b\x8NOFCS\0" \ 394 "b\x9TXCARREXT\0\0" 395 396 397 /* GEM_MAC_RX_CONFIG register bits */ 398 #define GEM_MAC_RX_ENABLE 0x00000001 /* RX enable */ 399 #define GEM_MAC_RX_STRIP_PAD 0x00000002 /* strip pad bytes */ 400 #define GEM_MAC_RX_STRIP_CRC 0x00000004 401 #define GEM_MAC_RX_PROMISCUOUS 0x00000008 /* promiscuous mode */ 402 #define GEM_MAC_RX_PROMISC_GRP 0x00000010 /* promiscuous group mode */ 403 #define GEM_MAC_RX_HASH_FILTER 0x00000020 /* enable hash filter */ 404 #define GEM_MAC_RX_ADDR_FILTER 0x00000040 /* enable address filter */ 405 #define GEM_MAC_RX_ERRCHK_DIS 0x00000080 /* disable error checking */ 406 #define GEM_MAC_RX_CARR_EXTEND 0x00000100 /* Ena RX Carrier Extension */ 407 /* 408 * Carrier Extension enables reception of packet bursts generated by 409 * senders with carrier extension enabled. 410 */ 411 #define GEM_MAC_RX_CONFIG_BITS "\177\020" \ 412 "b\0RXENA\0b\1STRPAD\0b\2STRCRC\0" \ 413 "b\3PROMIS\0b\4PROMISCGRP\0b\5HASHFLTR\0" \ 414 "b\6ADDRFLTR\0b\7ERRCHKDIS\0b\x9TXCARREXT\0\0" 415 416 417 /* GEM_MAC_CONTROL_CONFIG bits */ 418 #define GEM_MAC_CC_TX_PAUSE 0x00000001 /* send pause enabled */ 419 #define GEM_MAC_CC_RX_PAUSE 0x00000002 /* receive pause enabled */ 420 #define GEM_MAC_CC_PASS_PAUSE 0x00000004 /* pass pause up */ 421 #define GEM_MAC_CC_BITS "\177\020b\0TXPAUSE\0b\1RXPAUSE\0b\2NOPAUSE\0\0" 422 423 424 /* GEM MIF registers */ 425 /* Bit bang registers use low bit only. */ 426 #define GEM_MIF_BB_CLOCK 0x6200 /* bit bang clock */ 427 #define GEM_MIF_BB_DATA 0x6204 /* bit bang data */ 428 #define GEM_MIF_BB_OUTPUT_ENAB 0x6208 429 #define GEM_MIF_FRAME 0x620c /* MIF frame - ctl and data */ 430 #define GEM_MIF_CONFIG 0x6210 431 #define GEM_MIF_INTERRUPT_MASK 0x6214 432 #define GEM_MIF_BASIC_STATUS 0x6218 433 #define GEM_MIF_STATE_MACHINE 0x621c 434 435 436 /* GEM_MIF_FRAME bits */ 437 #define GEM_MIF_FRAME_DATA 0x0000ffff 438 #define GEM_MIF_FRAME_TA0 0x00010000 /* TA bit, 1 for completion */ 439 #define GEM_MIF_FRAME_TA1 0x00020000 /* TA bits */ 440 #define GEM_MIF_FRAME_REG_ADDR 0x007c0000 441 #define GEM_MIF_FRAME_PHY_ADDR 0x0f800000 /* phy address, should be 0 */ 442 #define GEM_MIF_FRAME_OP 0x30000000 /* operation - write/read */ 443 #define GEM_MIF_FRAME_START 0xc0000000 /* START bits */ 444 445 #define GEM_MIF_FRAME_READ 0x60020000 446 #define GEM_MIF_FRAME_WRITE 0x50020000 447 448 #define GEM_MIF_REG_SHIFT 18 449 #define GEM_MIF_PHY_SHIFT 23 450 451 452 /* GEM_MIF_CONFIG register bits */ 453 #define GEM_MIF_CONFIG_PHY_SEL 0x00000001 /* PHY select, 0=MDIO0 */ 454 #define GEM_MIF_CONFIG_POLL_ENA 0x00000002 /* poll enable */ 455 #define GEM_MIF_CONFIG_BB_ENA 0x00000004 /* bit bang enable */ 456 #define GEM_MIF_CONFIG_REG_ADR 0x000000f8 /* poll register address */ 457 #define GEM_MIF_CONFIG_MDI0 0x00000100 /* MDIO_0 Data/MDIO_0 atached */ 458 #define GEM_MIF_CONFIG_MDI1 0x00000200 /* MDIO_1 Data/MDIO_1 atached */ 459 #define GEM_MIF_CONFIG_PHY_ADR 0x00007c00 /* poll PHY address */ 460 /* MDI0 is the onboard transceiver, MDI1 is external, PHYAD for both is 0. */ 461 #define GEM_MIF_CONFIG_BITS "\177\020b\0PHYSEL\0b\1POLL\0b\2BBENA\0" \ 462 "b\x8MDIO0\0b\x9MDIO1\0\0" 463 464 465 /* GEM_MIF_BASIC_STATUS and GEM_MIF_INTERRUPT_MASK bits */ 466 #define GEM_MIF_STATUS 0x0000ffff 467 #define GEM_MIF_BASIC 0xffff0000 468 /* 469 * The Basic part is the last value read in the POLL field of the config 470 * register. 471 * 472 * The status part indicates the bits that have changed. 473 */ 474 475 476 /* GEM PCS/Serial link registers */ 477 /* DO NOT TOUCH THESE REGISTERS ON ERI -- IT HARD HANGS. */ 478 #define GEM_MII_CONTROL 0x9000 479 #define GEM_MII_STATUS 0x9004 480 #define GEM_MII_ANAR 0x9008 /* MII advertisement reg */ 481 #define GEM_MII_ANLPAR 0x900c /* Link Partner Ability Reg */ 482 #define GEM_MII_CONFIG 0x9010 483 #define GEM_MII_STATE_MACHINE 0x9014 484 #define GEM_MII_INTERRUP_STATUS 0x9018 /* PCS interrupt state */ 485 #define GEM_MII_DATAPATH_MODE 0x9050 486 #define GEM_MII_SLINK_CONTROL 0x9054 /* Serial link control */ 487 #define GEM_MII_OUTPUT_SELECT 0x9058 488 #define GEM_MII_SLINK_STATUS 0x905c /* serial link status */ 489 490 491 /* GEM_MII_CONTROL bits - PCS "BMCR" (Basic Mode Control Reg) */ 492 #define GEM_MII_CONTROL_RESET 0x00008000 493 #define GEM_MII_CONTROL_LOOPBK 0x00004000 /* 10-bit i/f loopback */ 494 #define GEM_MII_CONTROL_1000M 0x00002000 /* speed select, always 0 */ 495 #define GEM_MII_CONTROL_AUTONEG 0x00001000 /* auto negotiation enabled */ 496 #define GEM_MII_CONTROL_POWERDN 0x00000800 497 #define GEM_MII_CONTROL_ISOLATE 0x00000400 /* isolate phy from mii */ 498 #define GEM_MII_CONTROL_RAN 0x00000200 /* restart auto negotiation */ 499 #define GEM_MII_CONTROL_FDUPLEX 0x00000100 /* full duplex, always 0 */ 500 #define GEM_MII_CONTROL_COL_TST 0x00000080 /* collision test */ 501 #define GEM_MII_CONTROL_BITS "\177\020b\7COLTST\0b\x8_FD\0b\x9RAN\0" \ 502 "b\xaISOLATE\0b\xbPWRDWN\0b\xc_ANEG\0" \ 503 "b\xdGIGE\0b\xeLOOP\0b\xfRESET\0\0" 504 505 506 /* GEM_MII_STATUS reg - PCS "BMSR" (Basic Mode Status Reg) */ 507 #define GEM_MII_STATUS_GB_FDX 0x00000400 /* can perform GBit FDX */ 508 #define GEM_MII_STATUS_GB_HDX 0x00000200 /* can perform GBit HDX */ 509 #define GEM_MII_STATUS_UNK 0x00000100 510 #define GEM_MII_STATUS_ANEG_CPT 0x00000020 /* auto negotiate compete */ 511 #define GEM_MII_STATUS_REM_FLT 0x00000010 /* remote fault detected */ 512 #define GEM_MII_STATUS_ACFG 0x00000008 /* can auto negotiate */ 513 #define GEM_MII_STATUS_LINK_STS 0x00000004 /* link status */ 514 #define GEM_MII_STATUS_JABBER 0x00000002 /* jabber condition detected */ 515 #define GEM_MII_STATUS_EXTCAP 0x00000001 /* extended register capability */ 516 #define GEM_MII_STATUS_BITS "\177\020b\0EXTCAP\0b\1JABBER\0b\2LINKSTS\0" \ 517 "b\3ACFG\0b\4REMFLT\0b\5ANEGCPT\0b\x9GBHDX\0" \ 518 "b\xaGBFDX\0\0" 519 520 521 /* GEM_MII_ANAR and GEM_MII_ANLPAR reg bits */ 522 #define GEM_MII_ANEG_NP 0x00008000 /* next page bit */ 523 #define GEM_MII_ANEG_ACK 0x00004000 /* ack reception of */ 524 /* Link Partner Capability */ 525 #define GEM_MII_ANEG_RF 0x00003000 /* advertise remote fault cap */ 526 #define GEM_MII_ANEG_ASYM_PAUSE 0x00000100 /* asymmetric pause */ 527 #define GEM_MII_ANEG_SYM_PAUSE 0x00000080 /* symmetric pause */ 528 #define GEM_MII_ANEG_HLF_DUPLX 0x00000040 529 #define GEM_MII_ANEG_FUL_DUPLX 0x00000020 530 #define GEM_MII_ANEG_BITS "\177\020b\5FDX\0b\6HDX\0b\7SYMPAUSE\0" \ 531 "\b\x8_ASYMPAUSE\0\b\xdREMFLT\0\b\xeLPACK\0" \ 532 "\b\xfNPBIT\0\0" 533 534 535 /* GEM_MII_CONFIG reg */ 536 #define GEM_MII_CONFIG_TIMER 0x0000000e /* link monitor timer values */ 537 #define GEM_MII_CONFIG_ANTO 0x00000020 /* 10ms ANEG timer override */ 538 #define GEM_MII_CONFIG_JS 0x00000018 /* Jitter Study, 0 normal 539 * 1 high freq, 2 low freq */ 540 #define GEM_MII_CONFIG_SDL 0x00000004 /* Signal Detect active low */ 541 #define GEM_MII_CONFIG_SDO 0x00000002 /* Signal Detect Override */ 542 #define GEM_MII_CONFIG_ENABLE 0x00000001 /* Enable PCS */ 543 #define GEM_MII_CONFIG_BITS "\177\020b\0PCSENA\0\0" 544 545 546 /* 547 * GEM_MII_STATE_MACHINE 548 * XXX These are best guesses from observed behavior. 549 */ 550 #define GEM_MII_FSM_STOP 0x00000000 /* stopped */ 551 #define GEM_MII_FSM_RUN 0x00000001 /* running */ 552 #define GEM_MII_FSM_UNKWN 0x00000100 /* unknown */ 553 #define GEM_MII_FSM_DONE 0x00000101 /* complete */ 554 555 556 /* 557 * GEM_MII_INTERRUP_STATUS reg 558 * No mask register; mask with the global interrupt mask register. 559 */ 560 #define GEM_MII_INTERRUP_LINK 0x00000004 /* PCS link status change */ 561 562 563 /* GEM_MII_DATAPATH_MODE reg */ 564 #define GEM_MII_DATAPATH_SERIAL 0x00000001 /* Serial link */ 565 #define GEM_MII_DATAPATH_SERDES 0x00000002 /* Use PCS via 10bit interfac */ 566 #define GEM_MII_DATAPATH_MII 0x00000004 /* Use {G}MII, not PCS */ 567 #define GEM_MII_DATAPATH_MIIOUT 0x00000008 /* enable serial output on GMII */ 568 #define GEM_MII_DATAPATH_BITS "\177\020" \ 569 "b\0SERIAL\0b\1SERDES\0b\2MII\0b\3MIIOUT\0\0" 570 571 572 /* GEM_MII_SLINK_CONTROL reg */ 573 #define GEM_MII_SLINK_LOOPBACK 0x00000001 /* enable loopback at sl, logic 574 * reversed for SERDES */ 575 #define GEM_MII_SLINK_EN_SYNC_D 0x00000002 /* enable sync detection */ 576 #define GEM_MII_SLINK_LOCK_REF 0x00000004 /* lock reference clock */ 577 #define GEM_MII_SLINK_EMPHASIS 0x00000008 /* enable emphasis */ 578 #define GEM_MII_SLINK_SELFTEST 0x000001c0 579 #define GEM_MII_SLINK_POWER_OFF 0x00000200 /* Power down serial link */ 580 #define GEM_MII_SLINK_CONTROL_BITS \ 581 "\177\020b\0LOOP\0b\1ENASYNC\0b\2LOCKREF" \ 582 "\0b\3EMPHASIS\0b\x9PWRDWN\0\0" 583 584 585 /* GEM_MII_SLINK_STATUS reg */ 586 #define GEM_MII_SLINK_TEST 0x00000000 /* undergoing test */ 587 #define GEM_MII_SLINK_LOCKED 0x00000001 /* waiting 500us lockrefn */ 588 #define GEM_MII_SLINK_COMMA 0x00000002 /* waiting for comma detect */ 589 #define GEM_MII_SLINK_SYNC 0x00000003 /* recv data synchronized */ 590 591 /* 592 * PCI Expansion ROM runtime access 593 * Sun GEMs map a 1MB space for the PCI Expansion ROM as the second half 594 * of the first register bank, although they only support up to 64KB ROMs. 595 */ 596 #define GEM_PCI_ROM_OFFSET 0x100000 597 #define GEM_PCI_ROM_SIZE 0x10000 598 599 /* Wired GEM PHY addresses */ 600 #define GEM_PHYAD_INTERNAL 1 601 #define GEM_PHYAD_EXTERNAL 0 602 603 /* 604 * GEM descriptor table structures 605 */ 606 struct gem_desc { 607 uint64_t gd_flags; 608 uint64_t gd_addr; 609 }; 610 611 /* Transmit flags */ 612 #define GEM_TD_BUFSIZE 0x0000000000007fffLL 613 #define GEM_TD_CXSUM_START 0x00000000001f8000LL /* Cxsum start offset */ 614 #define GEM_TD_CXSUM_STARTSHFT 15 615 #define GEM_TD_CXSUM_STUFF 0x000000001fe00000LL /* Cxsum stuff offset */ 616 #define GEM_TD_CXSUM_STUFFSHFT 21 617 #define GEM_TD_CXSUM_ENABLE 0x0000000020000000LL /* Cxsum generation enable */ 618 #define GEM_TD_END_OF_PACKET 0x0000000040000000LL 619 #define GEM_TD_START_OF_PACKET 0x0000000080000000LL 620 #define GEM_TD_INTERRUPT_ME 0x0000000100000000LL /* Interrupt me now */ 621 #define GEM_TD_NO_CRC 0x0000000200000000LL /* do not insert crc */ 622 /* 623 * Only need to set GEM_TD_CXSUM_ENABLE, GEM_TD_CXSUM_STUFF, 624 * GEM_TD_CXSUM_START, and GEM_TD_INTERRUPT_ME in 1st descriptor of a group. 625 */ 626 627 /* Receive flags */ 628 #define GEM_RD_CHECKSUM 0x000000000000ffffLL /* is the complement */ 629 #define GEM_RD_BUFSIZE 0x000000007fff0000LL 630 #define GEM_RD_OWN 0x0000000080000000LL /* 1 - owned by h/w */ 631 #define GEM_RD_HASHVAL 0x0ffff00000000000LL 632 #define GEM_RD_HASH_PASS 0x1000000000000000LL /* passed hash filter */ 633 #define GEM_RD_ALTERNATE_MAC 0x2000000000000000LL /* Alternate MAC adrs */ 634 #define GEM_RD_BAD_CRC 0x4000000000000000LL 635 636 #define GEM_RD_BUFSHIFT 16 637 #define GEM_RD_BUFLEN(x) (((x) & GEM_RD_BUFSIZE) >> GEM_RD_BUFSHIFT) 638 639 #endif 640