1 /* $NetBSD: if_casreg.h,v 1.6 2022/05/28 10:36:23 andvar Exp $ */ 2 /* $OpenBSD: if_casreg.h,v 1.10 2008/05/31 22:49:03 kettenis Exp $ */ 3 4 /* 5 * 6 * Copyright (C) 2007 Mark Kettenis. 7 * Copyright (C) 2001 Eduardo Horvath. 8 * All rights reserved. 9 * 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 */ 33 34 #ifndef _IF_CASREG_H 35 #define _IF_CASREG_H 36 37 /* 38 * Register definitions for Sun Cassini ethernet controllers. 39 */ 40 41 /* 42 * First bank: these registers live at the start of the PCI mapping. 43 */ 44 #define CAS_SEB_STATE 0x0000 /* SEB state reg, R/O */ 45 #define CAS_CONFIG 0x0004 /* config reg */ 46 #define CAS_STATUS 0x000c /* status reg */ 47 /* Note: Reading the status reg clears bits 0-6 */ 48 #define CAS_INTMASK 0x0010 49 #define CAS_INTACK 0x0014 /* Interrupt acknowledge, W/O */ 50 #define CAS_STATUS_ALIAS 0x001c 51 /* Note: Same as CAS_STATUS but reading it does not clear bits. */ 52 53 #define CAS_ERROR_STATUS 0x1000 /* PCI error status R/C */ 54 #define CAS_ERROR_MASK 0x0004 55 #define CAS_BIF_CONFIG 0x0008 /* BIF config reg */ 56 #define CAS_BIF_DIAG 0x000c 57 #define CAS_RESET 0x1010 /* Software reset register */ 58 #define CAS_SATURN_PCFG 0x106c /* internal MACPHY pin configuration */ 59 60 /* Bits in CAS_SEB register */ 61 #define CAS_SEB_ARB 0x000000002 /* Arbitration status */ 62 #define CAS_SEB_RXWON 0x000000004 63 64 /* Bits in CAS_CONFIG register */ 65 #define CAS_CONFIG_BURST_64 0x000000000 /* 0->infinity, 1->64KB */ 66 #define CAS_CONFIG_BURST_INF 0x000000001 /* 0->infinity, 1->64KB */ 67 #define CAS_CONFIG_TXDMA_LIMIT 0x00000003e 68 #define CAS_CONFIG_RXDMA_LIMIT 0x0000007c0 69 70 #define CAS_CONFIG_TXDMA_LIMIT_SHIFT 1 71 #define CAS_CONFIG_RXDMA_LIMIT_SHIFT 6 72 73 /* Top part of CAS_STATUS has TX completion information */ 74 #define CAS_STATUS_TX_COMPL 0xfff800000 /* TX completion reg. */ 75 76 /* 77 * Interrupt bits, for both the CAS_STATUS and CAS_INTMASK regs. 78 * Bits 0-6 auto-clear when read. 79 */ 80 #define CAS_INTR_TX_INTME 0x000000001 /* Frame w/INTME bit set sent */ 81 #define CAS_INTR_TX_EMPTY 0x000000002 /* TX ring empty */ 82 #define CAS_INTR_TX_DONE 0x000000004 /* TX complete */ 83 #define CAS_INTR_TX_TAG_ERR 0x000000008 84 #define CAS_INTR_RX_DONE 0x000000010 /* Got a packet */ 85 #define CAS_INTR_RX_NOBUF 0x000000020 86 #define CAS_INTR_RX_TAG_ERR 0x000000040 87 #define CAS_INTR_RX_COMP_FULL 0x000000080 88 #define CAS_INTR_PCS 0x000002000 /* Physical Code Sub-layer */ 89 #define CAS_INTR_TX_MAC 0x000004000 90 #define CAS_INTR_RX_MAC 0x000008000 91 #define CAS_INTR_MAC_CONTROL 0x000010000 /* MAC control interrupt */ 92 #define CAS_INTR_MIF 0x000020000 93 #define CAS_INTR_BERR 0x000040000 /* Bus error interrupt */ 94 #define CAS_INTR_BITS "\020" \ 95 "\1INTME\2TXEMPTY\3TXDONE\4TX_TAG_ERR" \ 96 "\5RXDONE\6RXNOBUF\7RX_TAG_ERR" \ 97 "\10RX_COMP_FULL" \ 98 "\16PCS\17TXMAC\20RXMAC" \ 99 "\21MACCONTROL\22MIF\23BERR" 100 101 /* CAS_ERROR_STATUS and CAS_ERROR_MASK PCI error bits */ 102 #define CAS_ERROR_STAT_BADACK 0x000000001 /* No ACK64# */ 103 #define CAS_ERROR_STAT_DTRTO 0x000000002 /* Delayed xaction timeout */ 104 #define CAS_ERROR_STAT_OTHERS 0x000000004 105 106 /* CAS_BIF_CONFIG register bits */ 107 #define CAS_BIF_CONFIG_SLOWCLK 0x000000001 /* Parity error timing */ 108 #define CAS_BIF_CONFIG_HOST_64 0x000000002 /* 64-bit host */ 109 #define CAS_BIF_CONFIG_B64D_DIS 0x000000004 /* no 64-bit data cycle */ 110 #define CAS_BIF_CONFIG_M66EN 0x000000008 111 112 /* CAS_RESET register bits -- TX and RX self clear when complete. */ 113 #define CAS_RESET_TX 0x000000001 /* Reset TX half */ 114 #define CAS_RESET_RX 0x000000002 /* Reset RX half */ 115 #define CAS_RESET_RSTOUT 0x000000004 /* Force PCI RSTOUT# */ 116 #define CAS_RESET_BLOCK_PCS 0x00000008 /* Block PCS reset */ 117 118 /* CAS_SATURN_PCFG register bits */ 119 #define CAS_SATURN_PCFG_TLA 0x00000001 /* PHY activity LED */ 120 #define CAS_SATURN_PCFG_FLA 0x00000002 /* PHY 10MBit/sec LED */ 121 #define CAS_SATURN_PCFG_CLA 0x00000004 /* PHY 100MBit/sec LED */ 122 #define CAS_SATURN_PCFG_LLA 0x00000008 /* PHY 1000MBit/sec LED */ 123 #define CAS_SATURN_PCFG_RLA 0x00000010 /* PHY full-duplex LED */ 124 #define CAS_SATURN_PCFG_PDS 0x00000020 /* PHY debug mode */ 125 #define CAS_SATURN_PCFG_MTP 0x00000080 /* test point select */ 126 #define CAS_SATURN_PCFG_GMO 0x00000100 /* GMII observe */ 127 #define CAS_SATURN_PCFG_FSI 0x00000200 /* freeze GMII/SERDES */ 128 #define CAS_SATURN_PCFG_LAD 0x00000800 /* MAC LED control active low */ 129 130 /* TX DMA registers */ 131 #define CAS_TX_CONFIG 0x2004 132 133 #define CAS_TX_FIFO_WR_PTR 0x2014 /* FIFO write pointer */ 134 #define CAS_TX_FIFO_SDWR_PTR 0x2018 /* FIFO shadow write pointer */ 135 #define CAS_TX_FIFO_RD_PTR 0x201c /* FIFO read pointer */ 136 #define CAS_TX_FIFO_SDRD_PTR 0x2020 /* FIFO shadow read pointer */ 137 #define CAS_TX_FIFO_PKT_CNT 0x2024 /* FIFO packet counter */ 138 139 #define CAS_TX_STATE_MACHINE 0x2028 /* ETX state machine reg */ 140 #define CAS_TX_DATA_PTR 0x2030 /* ETX state machine reg (64-bit)*/ 141 142 #define CAS_TX_KICK1 0x2038 /* Write last valid desc + 1 */ 143 #define CAS_TX_KICK2 0x203c 144 #define CAS_TX_KICK3 0x2040 145 #define CAS_TX_KICK4 0x2044 146 #define CAS_TX_COMPLETION1 0x2048 147 #define CAS_TX_COMPLETION2 0x204c 148 #define CAS_TX_COMPLETION3 0x2050 149 #define CAS_TX_COMPLETION4 0x2054 150 #define CAS_TX_RING_PTR_LO1 0x2060 151 #define CAS_TX_RING_PTR_HI1 0x2064 152 #define CAS_TX_RING_PTR_LO2 0x2068 153 #define CAS_TX_RING_PTR_HI2 0x206c 154 #define CAS_TX_RING_PTR_LO3 0x2070 155 #define CAS_TX_RING_PTR_HI3 0x2074 156 #define CAS_TX_RING_PTR_LO4 0x2078 157 #define CAS_TX_RING_PTR_HI4 0x207c 158 #define CAS_TX_MAXBURST1 0x2080 159 #define CAS_TX_MAXBURST2 0x2084 160 #define CAS_TX_MAXBURST3 0x2088 161 #define CAS_TX_MAXBURST4 0x208c 162 163 #define CAS_TX_KICK CAS_TX_KICK3 164 #define CAS_TX_COMPLETION CAS_TX_COMPLETION3 165 #define CAS_TX_RING_PTR_LO CAS_TX_RING_PTR_LO3 166 #define CAS_TX_RING_PTR_HI CAS_TX_RING_PTR_HI3 167 168 #define CAS_TX_FIFO_ADDRESS 0x2104 169 #define CAS_TX_FIFO_TAG 0x2108 170 #define CAS_TX_FIFO_DATA_LO 0x210c 171 #define CAS_TX_FIFO_DATA_HI_T1 0x2110 172 #define CAS_TX_FIFO_DATA_HI_T0 0x2114 173 #define CAS_TX_FIFO_SIZE 0x2118 174 #define CAS_TX_DEBUG 0x3028 175 176 /* CAS_TX_CONFIG register bits. */ 177 #define CAS_TX_CONFIG_TXDMA_EN 0x00000001 /* TX DMA enable */ 178 #define CAS_TX_CONFIG_TXRING_SZ 0x0000003c /* TX ring size */ 179 #define CAS_TX_CONFIG_PACED 0x00100000 /* TX_all_int modifier */ 180 181 #define CAS_RING_SZ_32 0 /* 32 descriptors */ 182 #define CAS_RING_SZ_64 1 183 #define CAS_RING_SZ_128 2 184 #define CAS_RING_SZ_256 3 185 #define CAS_RING_SZ_512 4 186 #define CAS_RING_SZ_1024 5 187 #define CAS_RING_SZ_2048 6 188 #define CAS_RING_SZ_4096 7 189 #define CAS_RING_SZ_8192 8 190 191 /* CAS_TX_COMPLETION register bits */ 192 #define CAS_TX_COMPLETION_MASK 0x00001fff /* # of last descriptor */ 193 194 /* RX DMA registers */ 195 #define CAS_RX_CONFIG 0x4000 196 #define CAS_RX_PAGE_SIZE 0x4004 197 #define CAS_RX_FIFO_WR_PTR 0x4008 /* FIFO write pointer */ 198 #define CAS_RX_FIFO_RD_PTR 0x400c /* FIFO read pointer */ 199 #define CAS_RX_IPPFIFO_WR_PTR 0x4010 /* IPP FIFO write pointer */ 200 #define CAS_RX_IPPFIFO_RD_PTR 0x4014 /* IPP FIFO read pointer */ 201 #define CAS_RX_IPPFIFO_SDWR_PTR 0x4018 /* FIFO shadow write pointer */ 202 #define CAS_RX_DEBUG 0x401c /* Debug reg */ 203 #define CAS_RX_PAUSE_THRESH 0x4020 204 #define CAS_RX_KICK 0x4024 /* Write last valid desc + 1 */ 205 #define CAS_RX_DRING_PTR_LO 0x4028 206 #define CAS_RX_DRING_PTR_HI 0x402c 207 #define CAS_RX_CRING_PTR_LO 0x4030 208 #define CAS_RX_CRING_PTR_HI 0x4034 209 #define CAS_RX_COMPLETION 0x4038 /* First pending desc */ 210 #define CAS_RX_COMP_HEAD 0x403c 211 #define CAS_RX_COMP_TAIL 0x4040 212 #define CAS_RX_BLANKING 0x4044 /* Interrupt blanking reg */ 213 #define CAS_RX_RED 0x404c /* Random Early Detection */ 214 215 #define CAS_RX_IPP_PKT_CNT 0x4054 /* IPP packet counter */ 216 217 #define CAS_RX_FIFO_ADDRESS 0x4080 218 #define CAS_RX_FIFO_TAG 0x4084 219 #define CAS_RX_FIFO_DATA_LO 0x4088 220 #define CAS_RX_FIFO_DATA_HI_T0 0x408c 221 #define CAS_RX_FIFO_DATA_HI_T1 0x4090 222 223 /* The following registers only exist on Cassini+. */ 224 #define CAS_RX_DRING_PTR_LO2 0x4200 225 #define CAS_RX_DRING_PTR_HI2 0x4204 226 #define CAS_RX_CRING_PTR_LO2 0x4208 227 #define CAS_RX_CRING_PTR_HI2 0x420c 228 #define CAS_RX_CRING_PTR_LO3 0x4210 229 #define CAS_RX_CRING_PTR_HI3 0x4214 230 #define CAS_RX_CRING_PTR_LO4 0x4218 231 #define CAS_RX_CRING_PTR_HI4 0x421c 232 #define CAS_RX_KICK2 0x4220 233 #define CAS_RX_COMPLETION2 0x4224 234 #define CAS_RX_COMP_HEAD2 0x4228 235 #define CAS_RX_COMP_TAIL2 0x422c 236 #define CAS_RX_COMP_HEAD3 0x4230 237 #define CAS_RX_COMP_TAIL3 0x4234 238 #define CAS_RX_COMP_HEAD4 0x4238 239 #define CAS_RX_COMP_TAIL4 0x423c 240 241 /* CAS_RX_CONFIG register bits. */ 242 #define CAS_RX_CONFIG_RXDMA_EN 0x00000001 /* RX DMA enable */ 243 #define CAS_RX_CONFIG_RXDRNG_SZ 0x0000001e /* RX descriptor ring size */ 244 #define CAS_RX_CONFIG_RXCRNG_SZ 0x000001e0 /* RX completion ring size */ 245 #define CAS_RX_CONFIG_BATCH_DIS 0x00000200 /* desc batching disable */ 246 #define CAS_RX_CONFIG_FBOFF 0x00001c00 /* first byte offset */ 247 248 #define CAS_RX_CONFIG_RXDRNG_SZ_SHIFT 1 249 #define CAS_RX_CONFIG_RXCRNG_SZ_SHIFT 5 250 #define CAS_RX_CONFIG_FBOFF_SHFT 10 251 #define CAS_RX_CONFIG_RXDRNG2_SZ_SHIFT 16 /* Cassini+ */ 252 253 /* CAS_RX_PAGE_SIZE register bits. */ 254 #define CAS_RX_PAGE_SIZE_SZ 0x00000003 /* Page size */ 255 #define CAS_RX_PAGE_SIZE_COUNT 0x00007800 /* MTU buffers per page */ 256 #define CAS_RX_PAGE_SIZE_STRIDE 0x18000000 /* MTU buffer separation */ 257 #define CAS_RX_PAGE_SIZE_FBOFF 0xc0000000 /* First byte offset */ 258 259 #define CAS_RX_PAGE_SIZE_COUNT_SHIFT 11 260 #define CAS_RX_PAGE_SIZE_STRIDE_SHIFT 27 261 #define CAS_RX_PAGE_SIZE_FBOFF_SHIFT 30 262 263 /* CAS_RX_PAUSE_THRESH register bits -- sizes in multiples of 64 bytes */ 264 #define CAS_RX_PTH_XOFF_THRESH 0x000001ff 265 #define CAS_RX_PTH_XON_THRESH 0x07fc0000 266 267 /* CAS_RX_BLANKING register bits */ 268 #define CAS_RX_BLANKING_PACKETS 0x000001ff /* Delay intr for x packets */ 269 #define CAS_RX_BLANKING_TIME 0x03fc0000 /* Delay intr for x ticks */ 270 /* One tick is 1048 PCI clocks, or 16us at 66MHz */ 271 272 /* CAS_MAC registers */ 273 #define CAS_MAC_TXRESET 0x6000 /* Store 1, cleared when done */ 274 #define CAS_MAC_RXRESET 0x6004 /* ditto */ 275 #define CAS_MAC_SEND_PAUSE_CMD 0x6008 276 #define CAS_MAC_TX_STATUS 0x6010 277 #define CAS_MAC_RX_STATUS 0x6014 278 #define CAS_MAC_CONTROL_STATUS 0x6018 /* MAC control status reg */ 279 #define CAS_MAC_TX_MASK 0x6020 /* TX MAC mask register */ 280 #define CAS_MAC_RX_MASK 0x6024 281 #define CAS_MAC_CONTROL_MASK 0x6028 282 #define CAS_MAC_TX_CONFIG 0x6030 283 #define CAS_MAC_RX_CONFIG 0x6034 284 #define CAS_MAC_CONTROL_CONFIG 0x6038 285 #define CAS_MAC_XIF_CONFIG 0x603c 286 #define CAS_MAC_IPG0 0x6040 /* inter packet gap 0 */ 287 #define CAS_MAC_IPG1 0x6044 /* inter packet gap 1 */ 288 #define CAS_MAC_IPG2 0x6048 /* inter packet gap 2 */ 289 #define CAS_MAC_SLOT_TIME 0x604c /* slot time, bits 0-7 */ 290 #define CAS_MAC_MAC_MIN_FRAME 0x6050 291 #define CAS_MAC_MAC_MAX_FRAME 0x6054 292 #define CAS_MAC_PREAMBLE_LEN 0x6058 293 #define CAS_MAC_JAM_SIZE 0x605c 294 #define CAS_MAC_ATTEMPT_LIMIT 0x6060 295 #define CAS_MAC_CONTROL_TYPE 0x6064 296 297 #define CAS_MAC_ADDR0 0x6080 /* Normal MAC address 0 */ 298 #define CAS_MAC_ADDR1 0x6084 299 #define CAS_MAC_ADDR2 0x6088 300 #define CAS_MAC_ADDR3 0x608c /* Alternate MAC address 0 */ 301 #define CAS_MAC_ADDR4 0x6090 302 #define CAS_MAC_ADDR5 0x6094 303 #define CAS_MAC_ADDR42 0x6128 /* Control MAC address 0 */ 304 #define CAS_MAC_ADDR43 0x612c 305 #define CAS_MAC_ADDR44 0x6130 306 307 #define CAS_MAC_ADDR_FILTER0 0x614c 308 #define CAS_MAC_ADDR_FILTER1 0x6150 309 #define CAS_MAC_ADDR_FILTER2 0x6154 310 #define CAS_MAC_ADR_FLT_MASK1_2 0x6158 /* Address filter mask 1,2 */ 311 #define CAS_MAC_ADR_FLT_MASK0 0x615c /* Address filter mask 0 reg */ 312 313 #define CAS_MAC_HASH0 0x6160 /* Hash table 0 */ 314 #define CAS_MAC_HASH1 0x6164 315 #define CAS_MAC_HASH2 0x6168 316 #define CAS_MAC_HASH3 0x616c 317 #define CAS_MAC_HASH4 0x6170 318 #define CAS_MAC_HASH5 0x6174 319 #define CAS_MAC_HASH6 0x6178 320 #define CAS_MAC_HASH7 0x617c 321 #define CAS_MAC_HASH8 0x6180 322 #define CAS_MAC_HASH9 0x6184 323 #define CAS_MAC_HASH10 0x6188 324 #define CAS_MAC_HASH11 0x618c 325 #define CAS_MAC_HASH12 0x6190 326 #define CAS_MAC_HASH13 0x6194 327 #define CAS_MAC_HASH14 0x6198 328 #define CAS_MAC_HASH15 0x619c 329 330 #define CAS_MAC_NORM_COLL_CNT 0x61a0 /* Normal collision counter */ 331 #define CAS_MAC_FIRST_COLL_CNT 0x61a4 /* 1st successful collision cntr */ 332 #define CAS_MAC_EXCESS_COLL_CNT 0x61a8 /* Excess collision counter */ 333 #define CAS_MAC_LATE_COLL_CNT 0x61ac /* Late collision counter */ 334 #define CAS_MAC_DEFER_TMR_CNT 0x61b0 /* defer timer counter */ 335 #define CAS_MAC_PEAK_ATTEMPTS 0x61b4 336 #define CAS_MAC_RX_FRAME_COUNT 0x61b8 337 #define CAS_MAC_RX_LEN_ERR_CNT 0x61bc 338 #define CAS_MAC_RX_ALIGN_ERR 0x61c0 339 #define CAS_MAC_RX_CRC_ERR_CNT 0x61c4 340 #define CAS_MAC_RX_CODE_VIOL 0x61c8 341 #define CAS_MAC_RANDOM_SEED 0x61cc 342 #define CAS_MAC_MAC_STATE 0x61d0 /* MAC state machine reg */ 343 344 /* CAS_MAC_SEND_PAUSE_CMD register bits */ 345 #define CAS_MAC_PAUSE_CMD_TIME 0x0000ffff 346 #define CAS_MAC_PAUSE_CMD_SEND 0x00010000 347 348 /* CAS_MAC_TX_STATUS and _MASK register bits */ 349 #define CAS_MAC_TX_XMIT_DONE 0x00000001 350 #define CAS_MAC_TX_UNDERRUN 0x00000002 351 #define CAS_MAC_TX_PKT_TOO_LONG 0x00000004 352 #define CAS_MAC_TX_NCC_EXP 0x00000008 /* Normal collision cnt exp */ 353 #define CAS_MAC_TX_ECC_EXP 0x00000010 354 #define CAS_MAC_TX_LCC_EXP 0x00000020 355 #define CAS_MAC_TX_FCC_EXP 0x00000040 356 #define CAS_MAC_TX_DEFER_EXP 0x00000080 357 #define CAS_MAC_TX_PEAK_EXP 0x00000100 358 359 /* CAS_MAC_RX_STATUS and _MASK register bits */ 360 #define CAS_MAC_RX_DONE 0x00000001 361 #define CAS_MAC_RX_OVERFLOW 0x00000002 362 #define CAS_MAC_RX_FRAME_CNT 0x00000004 363 #define CAS_MAC_RX_ALIGN_EXP 0x00000008 364 #define CAS_MAC_RX_CRC_EXP 0x00000010 365 #define CAS_MAC_RX_LEN_EXP 0x00000020 366 #define CAS_MAC_RX_CVI_EXP 0x00000040 /* Code violation */ 367 368 /* CAS_MAC_CONTROL_STATUS and CAS_MAC_CONTROL_MASK register bits */ 369 #define CAS_MAC_PAUSED 0x00000001 /* Pause received */ 370 #define CAS_MAC_PAUSE 0x00000002 /* enter pause state */ 371 #define CAS_MAC_RESUME 0x00000004 /* exit pause state */ 372 #define CAS_MAC_PAUSE_TIME 0xffff0000 373 374 /* CAS_MAC_XIF_CONFIG register bits */ 375 #define CAS_MAC_XIF_TX_MII_ENA 0x00000001 /* Enable XIF output drivers */ 376 #define CAS_MAC_XIF_MII_LOOPBK 0x00000002 /* Enable MII loopback mode */ 377 #define CAS_MAC_XIF_ECHO_DISABL 0x00000004 /* Disable echo */ 378 #define CAS_MAC_XIF_GMII_MODE 0x00000008 /* Select GMII/MII mode */ 379 #define CAS_MAC_XIF_MII_BUF_ENA 0x00000010 /* Enable MII recv buffers */ 380 #define CAS_MAC_XIF_LINK_LED 0x00000020 /* force link LED active */ 381 #define CAS_MAC_XIF_FDPLX_LED 0x00000040 /* force FDPLX LED active */ 382 383 /* CAS_MAC_SLOT_TIME register bits */ 384 #define CAS_MAC_SLOT_INT 0x40 385 #define CAS_MAC_SLOT_EXT 0x200 /* external phy */ 386 387 /* CAS_MAC_TX_CONFIG register bits */ 388 #define CAS_MAC_TX_ENABLE 0x00000001 /* TX enable */ 389 #define CAS_MAC_TX_IGN_CARRIER 0x00000002 /* Ignore carrier sense */ 390 #define CAS_MAC_TX_IGN_COLLIS 0x00000004 /* ignore collisions */ 391 #define CAS_MAC_TX_ENA_IPG0 0x00000008 /* extend Rx-to-TX IPG */ 392 #define CAS_MAC_TX_NGU 0x00000010 /* Never give up */ 393 #define CAS_MAC_TX_NGU_LIMIT 0x00000020 /* Never give up limit */ 394 #define CAS_MAC_TX_NO_BACKOFF 0x00000040 395 #define CAS_MAC_TX_SLOWDOWN 0x00000080 396 #define CAS_MAC_TX_NO_FCS 0x00000100 /* no FCS will be generated */ 397 #define CAS_MAC_TX_CARR_EXTEND 0x00000200 /* Ena TX Carrier Extension */ 398 /* Carrier Extension is required for half duplex Gbps operation */ 399 400 /* CAS_MAC_RX_CONFIG register bits */ 401 #define CAS_MAC_RX_ENABLE 0x00000001 /* RX enable */ 402 #define CAS_MAC_RX_STRIP_PAD 0x00000002 /* strip pad bytes */ 403 #define CAS_MAC_RX_STRIP_CRC 0x00000004 404 #define CAS_MAC_RX_PROMISCUOUS 0x00000008 /* promiscuous mode */ 405 #define CAS_MAC_RX_PROMISC_GRP 0x00000010 /* promiscuous group mode */ 406 #define CAS_MAC_RX_HASH_FILTER 0x00000020 /* enable hash filter */ 407 #define CAS_MAC_RX_ADDR_FILTER 0x00000040 /* enable address filter */ 408 #define CAS_MAC_RX_ERRCHK_DIS 0x00000080 /* disable error checking */ 409 #define CAS_MAC_RX_CARR_EXTEND 0x00000100 /* Ena RX Carrier Extension */ 410 /* 411 * Carrier Extension enables reception of packet bursts generated by 412 * senders with carrier extension enabled. 413 */ 414 415 /* CAS_MAC_CONTROL_CONFIG bits */ 416 #define CAS_MAC_CC_TX_PAUSE 0x00000001 /* send pause enabled */ 417 #define CAS_MAC_CC_RX_PAUSE 0x00000002 /* receive pause enabled */ 418 #define CAS_MAC_CC_PASS_PAUSE 0x00000004 /* pass pause up */ 419 420 /* Cassini MIF registers */ 421 /* Bit bang registers use low bit only */ 422 #define CAS_MIF_BB_CLOCK 0x6200 /* bit bang clock */ 423 #define CAS_MIF_BB_DATA 0x6204 /* bit bang data */ 424 #define CAS_MIF_BB_OUTPUT_ENAB 0x6208 425 #define CAS_MIF_FRAME 0x620c /* MIF frame - ctl and data */ 426 #define CAS_MIF_CONFIG 0x6210 427 #define CAS_MIF_INTERRUPT_MASK 0x6214 428 #define CAS_MIF_BASIC_STATUS 0x6218 429 #define CAS_MIF_STATE_MACHINE 0x621c 430 431 /* CAS_MIF_FRAME bits */ 432 #define CAS_MIF_FRAME_DATA 0x0000ffff 433 #define CAS_MIF_FRAME_TA0 0x00010000 /* TA bit, 1 for completion */ 434 #define CAS_MIF_FRAME_TA1 0x00020000 /* TA bits */ 435 #define CAS_MIF_FRAME_REG_ADDR 0x007c0000 436 #define CAS_MIF_FRAME_PHY_ADDR 0x0f800000 /* phy address, should be 0 */ 437 #define CAS_MIF_FRAME_OP 0x30000000 /* operation - write/read */ 438 #define CAS_MIF_FRAME_START 0xc0000000 /* START bits */ 439 440 #define CAS_MIF_FRAME_READ 0x60020000 441 #define CAS_MIF_FRAME_WRITE 0x50020000 442 443 #define CAS_MIF_REG_SHIFT 18 444 #define CAS_MIF_PHY_SHIFT 23 445 446 /* CAS_MIF_CONFIG register bits */ 447 #define CAS_MIF_CONFIG_PHY_SEL 0x00000001 /* PHY select, 0=MDIO0 */ 448 #define CAS_MIF_CONFIG_POLL_ENA 0x00000002 /* poll enable */ 449 #define CAS_MIF_CONFIG_BB_ENA 0x00000004 /* bit bang enable */ 450 #define CAS_MIF_CONFIG_REG_ADR 0x000000f8 /* poll register address */ 451 #define CAS_MIF_CONFIG_MDI0 0x00000100 /* MDIO_0 Data/MDIO_0 attached */ 452 #define CAS_MIF_CONFIG_MDI1 0x00000200 /* MDIO_1 Data/MDIO_1 attached */ 453 #define CAS_MIF_CONFIG_PHY_ADR 0x00007c00 /* poll PHY address */ 454 /* MDI0 is onboard transceiver MID1 is external, PHYAD for both is 0 */ 455 456 /* CAS_MIF_BASIC_STATUS and CAS_MIF_INTERRUPT_MASK bits */ 457 #define CAS_MIF_STATUS 0x0000ffff 458 #define CAS_MIF_BASIC 0xffff0000 459 /* 460 * The Basic part is the last value read in the POLL field of the config 461 * register. 462 * 463 * The status part indicates the bits that have changed. 464 */ 465 466 /* Cassini PCS/Serial link registers */ 467 #define CAS_MII_CONTROL 0x9000 468 #define CAS_MII_STATUS 0x9004 469 #define CAS_MII_ANAR 0x9008 /* MII advertisement reg */ 470 #define CAS_MII_ANLPAR 0x900c /* Link Partner Ability Reg */ 471 #define CAS_MII_CONFIG 0x9010 472 #define CAS_MII_STATE_MACHINE 0x9014 473 #define CAS_MII_INTERRUP_STATUS 0x9018 /* PCS interrupt state */ 474 #define CAS_MII_DATAPATH_MODE 0x9050 475 #define CAS_MII_SLINK_CONTROL 0x9054 /* Serial link control */ 476 #define CAS_MII_OUTPUT_SELECT 0x9058 477 #define CAS_MII_SLINK_STATUS 0x905c /* serial link status */ 478 #define CAS_MII_PACKET_COUNT 0x9060 479 480 /* CAS_MII_CONTROL bits */ 481 #define CAS_MII_CONTROL_RESET 0x00008000 482 #define CAS_MII_CONTROL_LOOPBK 0x00004000 /* 10-bit i/f loopback */ 483 #define CAS_MII_CONTROL_1000M 0x00002000 /* speed select, always 0 */ 484 #define CAS_MII_CONTROL_AUTONEG 0x00001000 /* auto negotiation enabled */ 485 #define CAS_MII_CONTROL_POWERDN 0x00000800 486 #define CAS_MII_CONTROL_ISOLATE 0x00000400 /* isolate phy from mii */ 487 #define CAS_MII_CONTROL_RAN 0x00000200 /* restart auto negotiation */ 488 #define CAS_MII_CONTROL_FDUPLEX 0x00000100 /* full duplex, always 0 */ 489 #define CAS_MII_CONTROL_COL_TST 0x00000080 /* collision test */ 490 491 /* CAS_MII_STATUS reg - PCS "BMSR" (Basic Mode Status Reg) */ 492 #define CAS_MII_STATUS_GB_FDX 0x00000400 /* can perform GBit FDX */ 493 #define CAS_MII_STATUS_GB_HDX 0x00000200 /* can perform GBit HDX */ 494 #define CAS_MII_STATUS_UNK 0x00000100 495 #define CAS_MII_STATUS_ANEG_CPT 0x00000020 /* auto negotiate compete */ 496 #define CAS_MII_STATUS_REM_FLT 0x00000010 /* remote fault detected */ 497 #define CAS_MII_STATUS_ACFG 0x00000008 /* can auto negotiate */ 498 #define CAS_MII_STATUS_LINK_STS 0x00000004 /* link status */ 499 #define CAS_MII_STATUS_JABBER 0x00000002 /* jabber condition detected */ 500 #define CAS_MII_STATUS_EXTCAP 0x00000001 /* extended register capability */ 501 502 /* CAS_MII_ANAR and CAS_MII_ANLPAR reg bits */ 503 #define CAS_MII_ANEG_NP 0x00008000 /* next page bit */ 504 #define CAS_MII_ANEG_ACK 0x00004000 /* ack reception of */ 505 /* Link Partner Capability */ 506 #define CAS_MII_ANEG_RF 0x00003000 /* advertise remote fault cap */ 507 #define CAS_MII_ANEG_ASYM_PAUSE 0x00000100 /* asymmetric pause */ 508 #define CAS_MII_ANEG_SYM_PAUSE 0x00000080 /* symmetric pause */ 509 #define CAS_MII_ANEG_HLF_DUPLX 0x00000040 510 #define CAS_MII_ANEG_FUL_DUPLX 0x00000020 511 512 /* CAS_MII_CONFIG reg */ 513 #define CAS_MII_CONFIG_TIMER 0x0000000e /* link monitor timer values */ 514 #define CAS_MII_CONFIG_ANTO 0x00000020 /* 10ms ANEG timer override */ 515 #define CAS_MII_CONFIG_JS 0x00000018 /* Jitter Study, 0 normal 516 * 1 high freq, 2 low freq */ 517 #define CAS_MII_CONFIG_SDL 0x00000004 /* Signal Detect active low */ 518 #define CAS_MII_CONFIG_SDO 0x00000002 /* Signal Detect Override */ 519 #define CAS_MII_CONFIG_ENABLE 0x00000001 /* Enable PCS */ 520 521 /* 522 * CAS_MII_STATE_MACHINE 523 * XXX These are best guesses from observed behavior. 524 */ 525 #define CAS_MII_FSM_STOP 0x00000000 /* stopped */ 526 #define CAS_MII_FSM_RUN 0x00000001 /* running */ 527 #define CAS_MII_FSM_UNKWN 0x00000100 /* unknown */ 528 #define CAS_MII_FSM_DONE 0x00000101 /* complete */ 529 530 /* 531 * CAS_MII_INTERRUP_STATUS reg 532 * No mask register; mask with the global interrupt mask register. 533 */ 534 #define CAS_MII_INTERRUP_LINK 0x00000002 /* PCS link status change */ 535 536 /* CAS_MII_DATAPATH_MODE reg */ 537 #define CAS_MII_DATAPATH_SERIAL 0x00000001 /* Serial link */ 538 #define CAS_MII_DATAPATH_SERDES 0x00000002 /* Use PCS via 10bit interface */ 539 #define CAS_MII_DATAPATH_MII 0x00000004 /* Use {G}MII, not PCS */ 540 #define CAS_MII_DATAPATH_MIIOUT 0x00000008 /* enable serial output on GMII */ 541 542 /* CAS_MII_SLINK_CONTROL reg */ 543 #define CAS_MII_SLINK_LOOPBACK 0x00000001 /* enable loopback at sl, logic 544 * reversed for SERDES */ 545 #define CAS_MII_SLINK_EN_SYNC_D 0x00000002 /* enable sync detection */ 546 #define CAS_MII_SLINK_LOCK_REF 0x00000004 /* lock reference clock */ 547 #define CAS_MII_SLINK_EMPHASIS 0x00000008 /* enable emphasis */ 548 #define CAS_MII_SLINK_SELFTEST 0x000001c0 549 #define CAS_MII_SLINK_POWER_OFF 0x00000200 /* Power down serial link */ 550 551 /* CAS_MII_SLINK_STATUS reg */ 552 #define CAS_MII_SLINK_TEST 0x00000000 /* undergoing test */ 553 #define CAS_MII_SLINK_LOCKED 0x00000001 /* waiting 500us lockrefn */ 554 #define CAS_MII_SLINK_COMMA 0x00000002 /* waiting for comma detect */ 555 #define CAS_MII_SLINK_SYNC 0x00000003 /* recv data synchronized */ 556 557 /* Wired PHY addresses */ 558 #define CAS_PHYAD_INTERNAL 1 559 #define CAS_PHYAD_EXTERNAL 0 560 561 /* 562 * Cassini ring structures. 563 */ 564 565 /* Descriptor rings */ 566 struct cas_desc { 567 uint64_t cd_flags; 568 uint64_t cd_addr; 569 }; 570 571 /* Transmit flags */ 572 #define CAS_TD_BUFSIZE 0x0000000000007fffLL 573 #define CAS_TD_CXSUM_START 0x00000000001f8000LL /* Cxsum start offset */ 574 #define CAS_TD_CXSUM_STARTSHFT 15 575 #define CAS_TD_CXSUM_STUFF 0x000000001fe00000LL /* Cxsum stuff offset */ 576 #define CAS_TD_CXSUM_STUFFSHFT 21 577 #define CAS_TD_CXSUM_ENABLE 0x0000000020000000LL /* Cxsum generation enable */ 578 #define CAS_TD_END_OF_PACKET 0x0000000040000000LL 579 #define CAS_TD_START_OF_PACKET 0x0000000080000000LL 580 #define CAS_TD_INTERRUPT_ME 0x0000000100000000LL /* Interrupt me now */ 581 #define CAS_TD_NO_CRC 0x0000000200000000LL /* do not insert crc */ 582 /* 583 * Only need to set CAS_TD_CXSUM_ENABLE, CAS_TD_CXSUM_STUFF, 584 * CAS_TD_CXSUM_START, and CAS_TD_INTERRUPT_ME in 1st descriptor of a group. 585 */ 586 587 /* Completion ring */ 588 struct cas_comp { 589 uint64_t cc_word[4]; 590 }; 591 592 #define CAS_RC0_TYPE 0xc000000000000000ULL 593 #define CAS_RC0_RELEASE_HDR 0x2000000000000000ULL 594 #define CAS_RC0_RELEASE_DATA 0x1000000000000000ULL 595 #define CAS_RC0_SPLIT 0x0400000000000000ULL 596 #define CAS_RC0_SKIP_MASK 0x0180000000000000ULL 597 #define CAS_RC0_SKIP_SHIFT 55 598 #define CAS_RC0_DATA_IDX_MASK 0x007ffe0000000000ULL 599 #define CAS_RC0_DATA_IDX_SHIFT 41 600 #define CAS_RC0_DATA_OFF_MASK 0x000001fff8000000ULL 601 #define CAS_RC0_DATA_OFF_SHIFT 27 602 #define CAS_RC0_DATA_LEN_MASK 0x0000000007ffe000ULL 603 #define CAS_RC0_DATA_LEN_SHIFT 13 604 605 #define CAS_RC0_SKIP(w) \ 606 (((w) & CAS_RC0_SKIP_MASK) >> CAS_RC0_SKIP_SHIFT) 607 #define CAS_RC0_DATA_IDX(w) \ 608 (((w) & CAS_RC0_DATA_IDX_MASK) >> CAS_RC0_DATA_IDX_SHIFT) 609 #define CAS_RC0_DATA_OFF(w) \ 610 (((w) & CAS_RC0_DATA_OFF_MASK) >> CAS_RC0_DATA_OFF_SHIFT) 611 #define CAS_RC0_DATA_LEN(w) \ 612 (((w) & CAS_RC0_DATA_LEN_MASK) >> CAS_RC0_DATA_LEN_SHIFT) 613 614 #define CAS_RC1_HDR_IDX_MASK 0xfffc000000000000ULL 615 #define CAS_RC1_HDR_IDX_SHIFT 50 616 #define CAS_RC1_HDR_OFF_MASK 0x0003f00000000000ULL 617 #define CAS_RC1_HDR_OFF_SHIFT 44 618 #define CAS_RC1_HDR_LEN_MASK 0x00000ff800000000ULL 619 #define CAS_RC1_HDR_LEN_SHIFT 35 620 621 #define CAS_RC1_HDR_IDX(w) \ 622 (((w) & CAS_RC1_HDR_IDX_MASK) >> CAS_RC1_HDR_IDX_SHIFT) 623 #define CAS_RC1_HDR_OFF(w) \ 624 (((w) & CAS_RC1_HDR_OFF_MASK) >> CAS_RC1_HDR_OFF_SHIFT) 625 #define CAS_RC1_HDR_LEN(w) \ 626 (((w) & CAS_RC1_HDR_LEN_MASK) >> CAS_RC1_HDR_LEN_SHIFT) 627 628 #define CAS_RC3_OWN 0x0000080000000000ULL /* Owned by hardware */ 629 630 #endif /* _IF_CASREG_H */ 631