if_gemreg.h revision 174987
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 1.8 2005/12/11 12:21:26 christos Exp 28 * 29 * $FreeBSD: head/sys/dev/gem/if_gemreg.h 174987 2007-12-30 01:32:03Z marius $ 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 /* maximum burst size 64KB */ 59#define GEM_CONFIG_BURST_INF 0x000000001 /* infinite for entire packet */ 60#define GEM_CONFIG_TXDMA_LIMIT 0x00000003e 61#define GEM_CONFIG_RXDMA_LIMIT 0x0000007c0 62/* GEM_CONFIG_RONPAULBIT and GEM_CONFIG_BUG2FIX are Apple only. */ 63#define GEM_CONFIG_RONPAULBIT 0x000000800 /* after infinite burst use */ 64 /* memory read multiple for */ 65 /* PCI commands */ 66#define GEM_CONFIG_BUG2FIX 0x000001000 /* fix RX hang after overflow */ 67 68#define GEM_CONFIG_TXDMA_LIMIT_SHIFT 1 69#define GEM_CONFIG_RXDMA_LIMIT_SHIFT 6 70 71 72/* Top part of GEM_STATUS has TX completion information */ 73#define GEM_STATUS_TX_COMPL 0xfff800000 /* TX completion reg. */ 74 75 76/* 77 * Interrupt bits, for both the GEM_STATUS and GEM_INTMASK regs 78 * Bits 0-6 auto-clear when read. 79 */ 80#define GEM_INTR_TX_INTME 0x000000001 /* Frame w/INTME bit set sent */ 81#define GEM_INTR_TX_EMPTY 0x000000002 /* TX ring empty */ 82#define GEM_INTR_TX_DONE 0x000000004 /* TX complete */ 83#define GEM_INTR_RX_DONE 0x000000010 /* Got a packet */ 84#define GEM_INTR_RX_NOBUF 0x000000020 85#define GEM_INTR_RX_TAG_ERR 0x000000040 86#define GEM_INTR_PERR 0x000000080 /* Parity error */ 87#define GEM_INTR_PCS 0x000002000 /* Physical Code Sub-layer */ 88#define GEM_INTR_TX_MAC 0x000004000 89#define GEM_INTR_RX_MAC 0x000008000 90#define GEM_INTR_MAC_CONTROL 0x000010000 /* MAC control interrupt */ 91#define GEM_INTR_MIF 0x000020000 92#define GEM_INTR_BERR 0x000040000 /* Bus error interrupt */ 93#define GEM_INTR_BITS "\177\020" \ 94 "b\0INTME\0b\1TXEMPTY\0b\2TXDONE\0" \ 95 "b\4RXDONE\0b\5RXNOBUF\0b\6RX_TAG_ERR\0" \ 96 "b\xdPCS\0b\xeTXMAC\0b\xfRXMAC\0" \ 97 "b\x10MAC_CONTROL\0b\x11MIF\0b\x12IBERR\0\0" 98 99 100/* GEM_ERROR_STATUS and GEM_ERROR_MASK PCI error bits */ 101#define GEM_ERROR_STAT_BADACK 0x000000001 /* No ACK64# */ 102#define GEM_ERROR_STAT_DTRTO 0x000000002 /* Delayed xaction timeout */ 103#define GEM_ERROR_STAT_OTHERS 0x000000004 104#define GEM_ERROR_BITS "\177\020b\0ACKBAD\0b\1DTRTO\0b\2OTHER\0\0" 105 106 107/* GEM_BIF_CONFIG register bits */ 108#define GEM_BIF_CONFIG_SLOWCLK 0x000000001 /* Parity error timing */ 109#define GEM_BIF_CONFIG_HOST_64 0x000000002 /* 64-bit host */ 110#define GEM_BIF_CONFIG_B64D_DIS 0x000000004 /* no 64-bit data cycle */ 111#define GEM_BIF_CONFIG_M66EN 0x000000008 112#define GEM_BIF_CONFIG_BITS "\177\020b\0SLOWCLK\0b\1HOST64\0" \ 113 "b\2B64DIS\0b\3M66EN\0\0" 114 115 116/* GEM_RESET register bits -- TX and RX self clear when complete. */ 117#define GEM_RESET_TX 0x000000001 /* Reset TX half */ 118#define GEM_RESET_RX 0x000000002 /* Reset RX half */ 119#define GEM_RESET_RSTOUT 0x000000004 /* Force PCI RSTOUT# */ 120 121 122/* GEM TX DMA registers */ 123#define GEM_TX_KICK 0x2000 /* Write last valid desc + 1 */ 124#define GEM_TX_CONFIG 0x2004 125#define GEM_TX_RING_PTR_LO 0x2008 126#define GEM_TX_RING_PTR_HI 0x200c 127 128#define GEM_TX_FIFO_WR_PTR 0x2014 /* FIFO write pointer */ 129#define GEM_TX_FIFO_SDWR_PTR 0x2018 /* FIFO shadow write pointer */ 130#define GEM_TX_FIFO_RD_PTR 0x201c /* FIFO read pointer */ 131#define GEM_TX_FIFO_SDRD_PTR 0x2020 /* FIFO shadow read pointer */ 132#define GEM_TX_FIFO_PKT_CNT 0x2024 /* FIFO packet counter */ 133 134#define GEM_TX_STATE_MACHINE 0x2028 /* ETX state machine reg */ 135#define GEM_TX_DATA_PTR_LO 0x2030 136#define GEM_TX_DATA_PTR_HI 0x2034 137 138#define GEM_TX_COMPLETION 0x2100 139#define GEM_TX_FIFO_ADDRESS 0x2104 140#define GEM_TX_FIFO_TAG 0x2108 141#define GEM_TX_FIFO_DATA_LO 0x210c 142#define GEM_TX_FIFO_DATA_HI_T1 0x2110 143#define GEM_TX_FIFO_DATA_HI_T0 0x2114 144#define GEM_TX_FIFO_SIZE 0x2118 145#define GEM_TX_DEBUG 0x3028 146 147 148/* GEM_TX_CONFIG register bits */ 149#define GEM_TX_CONFIG_TXDMA_EN 0x00000001 /* TX DMA enable */ 150#define GEM_TX_CONFIG_TXRING_SZ 0x0000001e /* TX ring size */ 151#define GEM_TX_CONFIG_TXFIFO_TH 0x001ffc00 /* TX fifo threshold */ 152#define GEM_TX_CONFIG_PACED 0x00200000 /* TX_all_int modifier */ 153 154#define GEM_RING_SZ_32 (0<<1) /* 32 descriptors */ 155#define GEM_RING_SZ_64 (1<<1) 156#define GEM_RING_SZ_128 (2<<1) 157#define GEM_RING_SZ_256 (3<<1) 158#define GEM_RING_SZ_512 (4<<1) 159#define GEM_RING_SZ_1024 (5<<1) 160#define GEM_RING_SZ_2048 (6<<1) 161#define GEM_RING_SZ_4096 (7<<1) 162#define GEM_RING_SZ_8192 (8<<1) 163 164 165/* GEM_TX_COMPLETION register bits */ 166#define GEM_TX_COMPLETION_MASK 0x00001fff /* # of last descriptor */ 167 168 169/* GEM RX DMA registers */ 170#define GEM_RX_CONFIG 0x4000 171#define GEM_RX_RING_PTR_LO 0x4004 /* 64-bits unaligned GAK! */ 172#define GEM_RX_RING_PTR_HI 0x4008 /* 64-bits unaligned GAK! */ 173 174#define GEM_RX_FIFO_WR_PTR 0x400c /* FIFO write pointer */ 175#define GEM_RX_FIFO_SDWR_PTR 0x4010 /* FIFO shadow write pointer */ 176#define GEM_RX_FIFO_RD_PTR 0x4014 /* FIFO read pointer */ 177#define GEM_RX_FIFO_PKT_CNT 0x4018 /* FIFO packet counter */ 178 179#define GEM_RX_STATE_MACHINE 0x401c /* ERX state machine reg */ 180#define GEM_RX_PAUSE_THRESH 0x4020 181 182#define GEM_RX_DATA_PTR_LO 0x4024 /* ERX state machine reg */ 183#define GEM_RX_DATA_PTR_HI 0x4028 /* Damn thing is unaligned */ 184 185#define GEM_RX_KICK 0x4100 /* Write last valid desc + 1 */ 186#define GEM_RX_COMPLETION 0x4104 /* First pending desc */ 187#define GEM_RX_BLANKING 0x4108 /* Interrupt blanking reg */ 188 189#define GEM_RX_FIFO_ADDRESS 0x410c 190#define GEM_RX_FIFO_TAG 0x4110 191#define GEM_RX_FIFO_DATA_LO 0x4114 192#define GEM_RX_FIFO_DATA_HI_T1 0x4118 193#define GEM_RX_FIFO_DATA_HI_T0 0x411c 194#define GEM_RX_FIFO_SIZE 0x4120 195 196 197/* GEM_RX_CONFIG register bits */ 198#define GEM_RX_CONFIG_RXDMA_EN 0x00000001 /* RX DMA enable */ 199#define GEM_RX_CONFIG_RXRING_SZ 0x0000001e /* RX ring size */ 200#define GEM_RX_CONFIG_BATCH_DIS 0x00000020 /* desc batching disable */ 201#define GEM_RX_CONFIG_FBOFF 0x00001c00 /* first byte offset */ 202#define GEM_RX_CONFIG_CXM_START 0x000fe000 /* cksum start offset bytes */ 203#define GEM_RX_CONFIG_FIFO_THRS 0x07000000 /* fifo threshold size */ 204 205#define GEM_THRSH_64 0 206#define GEM_THRSH_128 1 207#define GEM_THRSH_256 2 208#define GEM_THRSH_512 3 209#define GEM_THRSH_1024 4 210#define GEM_THRSH_2048 5 211 212#define GEM_RX_CONFIG_FIFO_THRS_SHIFT 24 213#define GEM_RX_CONFIG_FBOFF_SHFT 10 214#define GEM_RX_CONFIG_CXM_START_SHFT 13 215 216 217/* GEM_RX_PAUSE_THRESH register bits -- sizes in multiples of 64 bytes */ 218#define GEM_RX_PTH_XOFF_THRESH 0x000001ff 219#define GEM_RX_PTH_XON_THRESH 0x001ff000 220 221 222/* GEM_RX_BLANKING register bits */ 223#define GEM_RX_BLANKING_PACKETS 0x000001ff /* Delay intr for x packets */ 224#define GEM_RX_BLANKING_TIME 0x000ff000 /* Delay intr for x ticks */ 225#define GEM_RX_BLANKING_TIME_SHIFT 12 226/* One tick is 2048 PCI clocks, or 16us at 66MHz */ 227 228 229/* GEM_MAC registers */ 230#define GEM_MAC_TXRESET 0x6000 /* Store 1, cleared when done */ 231#define GEM_MAC_RXRESET 0x6004 /* ditto */ 232#define GEM_MAC_SEND_PAUSE_CMD 0x6008 233#define GEM_MAC_TX_STATUS 0x6010 234#define GEM_MAC_RX_STATUS 0x6014 235#define GEM_MAC_CONTROL_STATUS 0x6018 /* MAC control status reg */ 236#define GEM_MAC_TX_MASK 0x6020 /* TX MAC mask register */ 237#define GEM_MAC_RX_MASK 0x6024 238#define GEM_MAC_CONTROL_MASK 0x6028 239#define GEM_MAC_TX_CONFIG 0x6030 240#define GEM_MAC_RX_CONFIG 0x6034 241#define GEM_MAC_CONTROL_CONFIG 0x6038 242#define GEM_MAC_XIF_CONFIG 0x603c 243#define GEM_MAC_IPG0 0x6040 /* inter packet gap 0 */ 244#define GEM_MAC_IPG1 0x6044 /* inter packet gap 1 */ 245#define GEM_MAC_IPG2 0x6048 /* inter packet gap 2 */ 246#define GEM_MAC_SLOT_TIME 0x604c /* slot time, bits 0-7 */ 247#define GEM_MAC_MAC_MIN_FRAME 0x6050 248#define GEM_MAC_MAC_MAX_FRAME 0x6054 249#define GEM_MAC_PREAMBLE_LEN 0x6058 250#define GEM_MAC_JAM_SIZE 0x605c 251#define GEM_MAC_ATTEMPT_LIMIT 0x6060 252#define GEM_MAC_CONTROL_TYPE 0x6064 253 254#define GEM_MAC_ADDR0 0x6080 /* Normal MAC address 0 */ 255#define GEM_MAC_ADDR1 0x6084 256#define GEM_MAC_ADDR2 0x6088 257#define GEM_MAC_ADDR3 0x608c /* Alternate MAC address 0 */ 258#define GEM_MAC_ADDR4 0x6090 259#define GEM_MAC_ADDR5 0x6094 260#define GEM_MAC_ADDR6 0x6098 /* Control MAC address 0 */ 261#define GEM_MAC_ADDR7 0x609c 262#define GEM_MAC_ADDR8 0x60a0 263 264#define GEM_MAC_ADDR_FILTER0 0x60a4 265#define GEM_MAC_ADDR_FILTER1 0x60a8 266#define GEM_MAC_ADDR_FILTER2 0x60ac 267#define GEM_MAC_ADR_FLT_MASK1_2 0x60b0 /* Address filter mask 1,2 */ 268#define GEM_MAC_ADR_FLT_MASK0 0x60b4 /* Address filter mask 0 reg */ 269 270#define GEM_MAC_HASH0 0x60c0 /* Hash table 0 */ 271#define GEM_MAC_HASH1 0x60c4 272#define GEM_MAC_HASH2 0x60c8 273#define GEM_MAC_HASH3 0x60cc 274#define GEM_MAC_HASH4 0x60d0 275#define GEM_MAC_HASH5 0x60d4 276#define GEM_MAC_HASH6 0x60d8 277#define GEM_MAC_HASH7 0x60dc 278#define GEM_MAC_HASH8 0x60e0 279#define GEM_MAC_HASH9 0x60e4 280#define GEM_MAC_HASH10 0x60e8 281#define GEM_MAC_HASH11 0x60ec 282#define GEM_MAC_HASH12 0x60f0 283#define GEM_MAC_HASH13 0x60f4 284#define GEM_MAC_HASH14 0x60f8 285#define GEM_MAC_HASH15 0x60fc 286 287#define GEM_MAC_NORM_COLL_CNT 0x6100 /* Normal collision counter */ 288#define GEM_MAC_FIRST_COLL_CNT 0x6104 /* 1st successful collision cntr */ 289#define GEM_MAC_EXCESS_COLL_CNT 0x6108 /* Excess collision counter */ 290#define GEM_MAC_LATE_COLL_CNT 0x610c /* Late collision counter */ 291#define GEM_MAC_DEFER_TMR_CNT 0x6110 /* defer timer counter */ 292#define GEM_MAC_PEAK_ATTEMPTS 0x6114 293#define GEM_MAC_RX_FRAME_COUNT 0x6118 294#define GEM_MAC_RX_LEN_ERR_CNT 0x611c 295#define GEM_MAC_RX_ALIGN_ERR 0x6120 296#define GEM_MAC_RX_CRC_ERR_CNT 0x6124 297#define GEM_MAC_RX_CODE_VIOL 0x6128 298#define GEM_MAC_RANDOM_SEED 0x6130 299#define GEM_MAC_MAC_STATE 0x6134 /* MAC state machine reg */ 300 301 302/* GEM_MAC_SEND_PAUSE_CMD register bits */ 303#define GEM_MAC_PAUSE_CMD_TIME 0x0000ffff 304#define GEM_MAC_PAUSE_CMD_SEND 0x00010000 305 306 307/* GEM_MAC_TX_STATUS and _MASK register bits */ 308#define GEM_MAC_TX_XMIT_DONE 0x00000001 309#define GEM_MAC_TX_UNDERRUN 0x00000002 310#define GEM_MAC_TX_PKT_TOO_LONG 0x00000004 311#define GEM_MAC_TX_NCC_EXP 0x00000008 /* Normal collision cnt exp */ 312#define GEM_MAC_TX_ECC_EXP 0x00000010 313#define GEM_MAC_TX_LCC_EXP 0x00000020 314#define GEM_MAC_TX_FCC_EXP 0x00000040 315#define GEM_MAC_TX_DEFER_EXP 0x00000080 316#define GEM_MAC_TX_PEAK_EXP 0x00000100 317 318 319/* GEM_MAC_RX_STATUS and _MASK register bits */ 320#define GEM_MAC_RX_DONE 0x00000001 321#define GEM_MAC_RX_OVERFLOW 0x00000002 322#define GEM_MAC_RX_FRAME_CNT 0x00000004 323#define GEM_MAC_RX_ALIGN_EXP 0x00000008 324#define GEM_MAC_RX_CRC_EXP 0x00000010 325#define GEM_MAC_RX_LEN_EXP 0x00000020 326#define GEM_MAC_RX_CVI_EXP 0x00000040 /* Code violation */ 327 328 329/* GEM_MAC_CONTROL_STATUS and GEM_MAC_CONTROL_MASK register bits */ 330#define GEM_MAC_PAUSED 0x00000001 /* Pause received */ 331#define GEM_MAC_PAUSE 0x00000002 /* enter pause state */ 332#define GEM_MAC_RESUME 0x00000004 /* exit pause state */ 333#define GEM_MAC_PAUSE_TIME_SLTS 0xffff0000 /* pause time in slots */ 334#define GEM_MAC_STATUS_BITS "\177\020b\0PAUSED\0b\1PAUSE\0b\2RESUME\0\0" 335 336#define GEM_MAC_PAUSE_TIME_SHFT 16 337#define GEM_MAC_PAUSE_TIME(x) \ 338 (((x) & GEM_MAC_PAUSE_TIME_SLTS) >> GEM_MAC_PAUSE_TIME_SHFT) 339 340/* GEM_MAC_XIF_CONFIG register bits */ 341#define GEM_MAC_XIF_TX_MII_ENA 0x00000001 /* Enable XIF output drivers */ 342#define GEM_MAC_XIF_MII_LOOPBK 0x00000002 /* Enable MII loopback mode */ 343#define GEM_MAC_XIF_ECHO_DISABL 0x00000004 /* Disable echo */ 344#define GEM_MAC_XIF_GMII_MODE 0x00000008 /* Select GMII/MII mode */ 345#define GEM_MAC_XIF_MII_BUF_ENA 0x00000010 /* Enable MII recv buffers */ 346#define GEM_MAC_XIF_LINK_LED 0x00000020 /* force link LED active */ 347#define GEM_MAC_XIF_FDPLX_LED 0x00000040 /* force FDPLX LED active */ 348#define GEM_MAC_XIF_BITS "\177\020b\0TXMIIENA\0b\1MIILOOP\0b\2NOECHO" \ 349 "\0b\3GMII\0b\4MIIBUFENA\0b\5LINKLED\0" \ 350 "b\6FDLED\0\0" 351 352/* 353 * GEM_MAC_SLOT_TIME register 354 * The slot time is used as PAUSE time unit, value depends on whether carrier 355 * extension is enabled. 356 */ 357#define GEM_MAC_SLOT_TIME_CARR_EXTEND 0x200 358#define GEM_MAC_SLOT_TIME_NORMAL 0x40 359 360/* GEM_MAC_TX_CONFIG register bits */ 361#define GEM_MAC_TX_ENABLE 0x00000001 /* TX enable */ 362#define GEM_MAC_TX_IGN_CARRIER 0x00000002 /* Ignore carrier sense */ 363#define GEM_MAC_TX_IGN_COLLIS 0x00000004 /* ignore collisions */ 364#define GEM_MAC_TX_ENA_IPG0 0x00000008 /* extend RX-to-TX IPG */ 365#define GEM_MAC_TX_NGU 0x00000010 /* Never give up */ 366#define GEM_MAC_TX_NGU_LIMIT 0x00000020 /* Never give up limit */ 367#define GEM_MAC_TX_NO_BACKOFF 0x00000040 368#define GEM_MAC_TX_SLOWDOWN 0x00000080 369#define GEM_MAC_TX_NO_FCS 0x00000100 /* no FCS will be generated */ 370#define GEM_MAC_TX_CARR_EXTEND 0x00000200 /* Ena TX Carrier Extension */ 371/* Carrier Extension is required for half duplex Gbps operation */ 372#define GEM_MAC_TX_CONFIG_BITS "\177\020" \ 373 "b\0TXENA\0b\1IGNCAR\0b\2IGNCOLLIS\0" \ 374 "b\3IPG0ENA\0b\4TXNGU\0b\5TXNGULIM\0" \ 375 "b\6NOBKOFF\0b\7SLOWDN\0b\x8NOFCS\0" \ 376 "b\x9TXCARREXT\0\0" 377 378 379/* GEM_MAC_RX_CONFIG register bits */ 380#define GEM_MAC_RX_ENABLE 0x00000001 /* RX enable */ 381#define GEM_MAC_RX_STRIP_PAD 0x00000002 /* strip pad bytes */ 382#define GEM_MAC_RX_STRIP_CRC 0x00000004 383#define GEM_MAC_RX_PROMISCUOUS 0x00000008 /* promiscuous mode */ 384#define GEM_MAC_RX_PROMISC_GRP 0x00000010 /* promiscuous group mode */ 385#define GEM_MAC_RX_HASH_FILTER 0x00000020 /* enable hash filter */ 386#define GEM_MAC_RX_ADDR_FILTER 0x00000040 /* enable address filter */ 387#define GEM_MAC_RX_ERRCHK_DIS 0x00000080 /* disable error checking */ 388#define GEM_MAC_RX_CARR_EXTEND 0x00000100 /* Ena RX Carrier Extension */ 389/* 390 * Carrier Extension enables reception of packet bursts generated by 391 * senders with carrier extension enabled. 392 */ 393#define GEM_MAC_RX_CONFIG_BITS "\177\020" \ 394 "b\0RXENA\0b\1STRPAD\0b\2STRCRC\0" \ 395 "b\3PROMIS\0b\4PROMISCGRP\0b\5HASHFLTR\0" \ 396 "b\6ADDRFLTR\0b\7ERRCHKDIS\0b\x9TXCARREXT\0\0" 397 398 399/* GEM_MAC_CONTROL_CONFIG bits */ 400#define GEM_MAC_CC_TX_PAUSE 0x00000001 /* send pause enabled */ 401#define GEM_MAC_CC_RX_PAUSE 0x00000002 /* receive pause enabled */ 402#define GEM_MAC_CC_PASS_PAUSE 0x00000004 /* pass pause up */ 403#define GEM_MAC_CC_BITS "\177\020b\0TXPAUSE\0b\1RXPAUSE\0b\2NOPAUSE\0\0" 404 405 406/* GEM MIF registers */ 407/* Bit bang registers use low bit only. */ 408#define GEM_MIF_BB_CLOCK 0x6200 /* bit bang clock */ 409#define GEM_MIF_BB_DATA 0x6204 /* bit bang data */ 410#define GEM_MIF_BB_OUTPUT_ENAB 0x6208 411#define GEM_MIF_FRAME 0x620c /* MIF frame - ctl and data */ 412#define GEM_MIF_CONFIG 0x6210 413#define GEM_MIF_INTERRUPT_MASK 0x6214 414#define GEM_MIF_BASIC_STATUS 0x6218 415#define GEM_MIF_STATE_MACHINE 0x621c 416 417 418/* GEM_MIF_FRAME bits */ 419#define GEM_MIF_FRAME_DATA 0x0000ffff 420#define GEM_MIF_FRAME_TA0 0x00010000 /* TA bit, 1 for completion */ 421#define GEM_MIF_FRAME_TA1 0x00020000 /* TA bits */ 422#define GEM_MIF_FRAME_REG_ADDR 0x007c0000 423#define GEM_MIF_FRAME_PHY_ADDR 0x0f800000 /* phy address, should be 0 */ 424#define GEM_MIF_FRAME_OP 0x30000000 /* operation - write/read */ 425#define GEM_MIF_FRAME_START 0xc0000000 /* START bits */ 426 427#define GEM_MIF_FRAME_READ 0x60020000 428#define GEM_MIF_FRAME_WRITE 0x50020000 429 430#define GEM_MIF_REG_SHIFT 18 431#define GEM_MIF_PHY_SHIFT 23 432 433 434/* GEM_MIF_CONFIG register bits */ 435#define GEM_MIF_CONFIG_PHY_SEL 0x00000001 /* PHY select, 0=MDIO0 */ 436#define GEM_MIF_CONFIG_POLL_ENA 0x00000002 /* poll enable */ 437#define GEM_MIF_CONFIG_BB_ENA 0x00000004 /* bit bang enable */ 438#define GEM_MIF_CONFIG_REG_ADR 0x000000f8 /* poll register address */ 439#define GEM_MIF_CONFIG_MDI0 0x00000100 /* MDIO_0 Data/MDIO_0 atached */ 440#define GEM_MIF_CONFIG_MDI1 0x00000200 /* MDIO_1 Data/MDIO_1 atached */ 441#define GEM_MIF_CONFIG_PHY_ADR 0x00007c00 /* poll PHY address */ 442/* MDI0 is the onboard transceiver, MDI1 is external, PHYAD for both is 0. */ 443#define GEM_MIF_CONFIG_BITS "\177\020b\0PHYSEL\0b\1POLL\0b\2BBENA\0" \ 444 "b\x8MDIO0\0b\x9MDIO1\0\0" 445 446 447/* GEM_MIF_BASIC_STATUS and GEM_MIF_INTERRUPT_MASK bits */ 448#define GEM_MIF_STATUS 0x0000ffff 449#define GEM_MIF_BASIC 0xffff0000 450/* 451 * The Basic part is the last value read in the POLL field of the config 452 * register. 453 * 454 * The status part indicates the bits that have changed. 455 */ 456 457 458/* GEM PCS/Serial link registers */ 459/* DO NOT TOUCH THESE REGISTERS ON ERI -- IT HARD HANGS. */ 460#define GEM_MII_CONTROL 0x9000 461#define GEM_MII_STATUS 0x9004 462#define GEM_MII_ANAR 0x9008 /* MII advertisement reg */ 463#define GEM_MII_ANLPAR 0x900c /* Link Partner Ability Reg */ 464#define GEM_MII_CONFIG 0x9010 465#define GEM_MII_STATE_MACHINE 0x9014 466#define GEM_MII_INTERRUP_STATUS 0x9018 /* PCS interrupt state */ 467#define GEM_MII_DATAPATH_MODE 0x9050 468#define GEM_MII_SLINK_CONTROL 0x9054 /* Serial link control */ 469#define GEM_MII_OUTPUT_SELECT 0x9058 470#define GEM_MII_SLINK_STATUS 0x905c /* serial link status */ 471 472 473/* GEM_MII_CONTROL bits - PCS "BMCR" (Basic Mode Control Reg) */ 474#define GEM_MII_CONTROL_RESET 0x00008000 475#define GEM_MII_CONTROL_LOOPBK 0x00004000 /* 10-bit i/f loopback */ 476#define GEM_MII_CONTROL_1000M 0x00002000 /* speed select, always 0 */ 477#define GEM_MII_CONTROL_AUTONEG 0x00001000 /* auto negotiation enabled */ 478#define GEM_MII_CONTROL_POWERDN 0x00000800 479#define GEM_MII_CONTROL_ISOLATE 0x00000400 /* isolate phy from mii */ 480#define GEM_MII_CONTROL_RAN 0x00000200 /* restart auto negotiation */ 481#define GEM_MII_CONTROL_FDUPLEX 0x00000100 /* full duplex, always 0 */ 482#define GEM_MII_CONTROL_COL_TST 0x00000080 /* collision test */ 483#define GEM_MII_CONTROL_BITS "\177\020b\7COLTST\0b\x8_FD\0b\x9RAN\0" \ 484 "b\xaISOLATE\0b\xbPWRDWN\0b\xc_ANEG\0" \ 485 "b\xdGIGE\0b\xeLOOP\0b\xfRESET\0\0" 486 487 488/* GEM_MII_STATUS reg - PCS "BMSR" (Basic Mode Status Reg) */ 489#define GEM_MII_STATUS_GB_FDX 0x00000400 /* can perform GBit FDX */ 490#define GEM_MII_STATUS_GB_HDX 0x00000200 /* can perform GBit HDX */ 491#define GEM_MII_STATUS_UNK 0x00000100 492#define GEM_MII_STATUS_ANEG_CPT 0x00000020 /* auto negotiate compete */ 493#define GEM_MII_STATUS_REM_FLT 0x00000010 /* remote fault detected */ 494#define GEM_MII_STATUS_ACFG 0x00000008 /* can auto negotiate */ 495#define GEM_MII_STATUS_LINK_STS 0x00000004 /* link status */ 496#define GEM_MII_STATUS_JABBER 0x00000002 /* jabber condition detected */ 497#define GEM_MII_STATUS_EXTCAP 0x00000001 /* extended register capability */ 498#define GEM_MII_STATUS_BITS "\177\020b\0EXTCAP\0b\1JABBER\0b\2LINKSTS\0" \ 499 "b\3ACFG\0b\4REMFLT\0b\5ANEGCPT\0b\x9GBHDX\0" \ 500 "b\xaGBFDX\0\0" 501 502 503/* GEM_MII_ANAR and GEM_MII_ANLPAR reg bits */ 504#define GEM_MII_ANEG_NP 0x00008000 /* next page bit */ 505#define GEM_MII_ANEG_ACK 0x00004000 /* ack reception of */ 506 /* Link Partner Capability */ 507#define GEM_MII_ANEG_RF 0x00003000 /* advertise remote fault cap */ 508#define GEM_MII_ANEG_ASYM_PAUSE 0x00000100 /* asymmetric pause */ 509#define GEM_MII_ANEG_SYM_PAUSE 0x00000080 /* symmetric pause */ 510#define GEM_MII_ANEG_HLF_DUPLX 0x00000040 511#define GEM_MII_ANEG_FUL_DUPLX 0x00000020 512#define GEM_MII_ANEG_BITS "\177\020b\5FDX\0b\6HDX\0b\7SYMPAUSE\0" \ 513 "\b\x8_ASYMPAUSE\0\b\xdREMFLT\0\b\xeLPACK\0" \ 514 "\b\xfNPBIT\0\0" 515 516 517/* GEM_MII_CONFIG reg */ 518#define GEM_MII_CONFIG_TIMER 0x0000000e /* link monitor timer values */ 519#define GEM_MII_CONFIG_ANTO 0x00000020 /* 10ms ANEG timer override */ 520#define GEM_MII_CONFIG_JS 0x00000018 /* Jitter Study, 0 normal 521 * 1 high freq, 2 low freq */ 522#define GEM_MII_CONFIG_SDL 0x00000004 /* Signal Detect active low */ 523#define GEM_MII_CONFIG_SDO 0x00000002 /* Signal Detect Override */ 524#define GEM_MII_CONFIG_ENABLE 0x00000001 /* Enable PCS */ 525#define GEM_MII_CONFIG_BITS "\177\020b\0PCSENA\0\0" 526 527 528/* 529 * GEM_MII_STATE_MACHINE 530 * XXX These are best guesses from observed behavior. 531 */ 532#define GEM_MII_FSM_STOP 0x00000000 /* stopped */ 533#define GEM_MII_FSM_RUN 0x00000001 /* running */ 534#define GEM_MII_FSM_UNKWN 0x00000100 /* unknown */ 535#define GEM_MII_FSM_DONE 0x00000101 /* complete */ 536 537 538/* 539 * GEM_MII_INTERRUP_STATUS reg 540 * No mask register; mask with the global interrupt mask register. 541 */ 542#define GEM_MII_INTERRUP_LINK 0x00000004 /* PCS link status change */ 543 544 545/* GEM_MII_DATAPATH_MODE reg */ 546#define GEM_MII_DATAPATH_SERIAL 0x00000001 /* Serial link */ 547#define GEM_MII_DATAPATH_SERDES 0x00000002 /* Use PCS via 10bit interfac */ 548#define GEM_MII_DATAPATH_MII 0x00000004 /* Use {G}MII, not PCS */ 549#define GEM_MII_DATAPATH_MIIOUT 0x00000008 /* enable serial output on GMII */ 550#define GEM_MII_DATAPATH_BITS "\177\020" \ 551 "b\0SERIAL\0b\1SERDES\0b\2MII\0b\3MIIOUT\0\0" 552 553 554/* GEM_MII_SLINK_CONTROL reg */ 555#define GEM_MII_SLINK_LOOPBACK 0x00000001 /* enable loopback at sl, logic 556 * reversed for SERDES */ 557#define GEM_MII_SLINK_EN_SYNC_D 0x00000002 /* enable sync detection */ 558#define GEM_MII_SLINK_LOCK_REF 0x00000004 /* lock reference clock */ 559#define GEM_MII_SLINK_EMPHASIS 0x00000008 /* enable emphasis */ 560#define GEM_MII_SLINK_SELFTEST 0x000001c0 561#define GEM_MII_SLINK_POWER_OFF 0x00000200 /* Power down serial link */ 562#define GEM_MII_SLINK_CONTROL_BITS \ 563 "\177\020b\0LOOP\0b\1ENASYNC\0b\2LOCKREF" \ 564 "\0b\3EMPHASIS\0b\x9PWRDWN\0\0" 565 566 567/* GEM_MII_SLINK_STATUS reg */ 568#define GEM_MII_SLINK_TEST 0x00000000 /* undergoing test */ 569#define GEM_MII_SLINK_LOCKED 0x00000001 /* waiting 500us lockrefn */ 570#define GEM_MII_SLINK_COMMA 0x00000002 /* waiting for comma detect */ 571#define GEM_MII_SLINK_SYNC 0x00000003 /* recv data synchronized */ 572 573/* 574 * PCI Expansion ROM runtime access 575 * Sun GEMs map a 1MB space for the PCI Expansion ROM as the second half 576 * of the first register bank, although they only support up to 64KB ROMs. 577 */ 578#define GEM_PCI_ROM_OFFSET 0x100000 579#define GEM_PCI_ROM_SIZE 0x10000 580 581/* Wired GEM PHY addresses */ 582#define GEM_PHYAD_INTERNAL 1 583#define GEM_PHYAD_EXTERNAL 0 584 585/* 586 * GEM descriptor table structures 587 */ 588struct gem_desc { 589 uint64_t gd_flags; 590 uint64_t gd_addr; 591}; 592 593/* Transmit flags */ 594#define GEM_TD_BUFSIZE 0x0000000000007fffLL 595#define GEM_TD_CXSUM_START 0x00000000001f8000LL /* Cxsum start offset */ 596#define GEM_TD_CXSUM_STARTSHFT 15 597#define GEM_TD_CXSUM_STUFF 0x000000001fe00000LL /* Cxsum stuff offset */ 598#define GEM_TD_CXSUM_STUFFSHFT 21 599#define GEM_TD_CXSUM_ENABLE 0x0000000020000000LL /* Cxsum generation enable */ 600#define GEM_TD_END_OF_PACKET 0x0000000040000000LL 601#define GEM_TD_START_OF_PACKET 0x0000000080000000LL 602#define GEM_TD_INTERRUPT_ME 0x0000000100000000LL /* Interrupt me now */ 603#define GEM_TD_NO_CRC 0x0000000200000000LL /* do not insert crc */ 604/* 605 * Only need to set GEM_TD_CXSUM_ENABLE, GEM_TD_CXSUM_STUFF, 606 * GEM_TD_CXSUM_START, and GEM_TD_INTERRUPT_ME in 1st descriptor of a group. 607 */ 608 609/* Receive flags */ 610#define GEM_RD_CHECKSUM 0x000000000000ffffLL /* is the complement */ 611#define GEM_RD_BUFSIZE 0x000000007fff0000LL 612#define GEM_RD_OWN 0x0000000080000000LL /* 1 - owned by h/w */ 613#define GEM_RD_HASHVAL 0x0ffff00000000000LL 614#define GEM_RD_HASH_PASS 0x1000000000000000LL /* passed hash filter */ 615#define GEM_RD_ALTERNATE_MAC 0x2000000000000000LL /* Alternate MAC adrs */ 616#define GEM_RD_BAD_CRC 0x4000000000000000LL 617 618#define GEM_RD_BUFSHIFT 16 619#define GEM_RD_BUFLEN(x) (((x) & GEM_RD_BUFSIZE) >> GEM_RD_BUFSHIFT) 620 621#endif 622