1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2001 Wind River Systems 5 * Copyright (c) 1997, 1998, 1999, 2000, 2001 6 * Bill Paul <wpaul@bsdi.com>. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Bill Paul. 19 * 4. Neither the name of the author nor the names of any co-contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 33 * THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #define NGE_CSR 0x00 37 #define NGE_CFG 0x04 38 #define NGE_MEAR 0x08 39 #define NGE_PCITST 0x0C 40 #define NGE_ISR 0x10 41 #define NGE_IMR 0x14 42 #define NGE_IER 0x18 43 #define NGE_IHR 0x1C 44 #define NGE_TX_LISTPTR_LO 0x20 45 #define NGE_TX_LISTPTR_HI 0x24 46 #define NGE_TX_LISTPTR NGE_TX_LISTPTR_LO 47 #define NGE_TX_CFG 0x28 48 #define NGE_GPIO 0x2C 49 #define NGE_RX_LISTPTR_LO 0x30 50 #define NGE_RX_LISTPTR_HI 0x34 51 #define NGE_RX_LISTPTR NGE_RX_LISTPTR_LO 52 #define NGE_RX_CFG 0x38 53 #define NGE_PRIOQCTL 0x3C 54 #define NGE_WOLCSR 0x40 55 #define NGE_PAUSECSR 0x44 56 #define NGE_RXFILT_CTL 0x48 57 #define NGE_RXFILT_DATA 0x4C 58 #define NGE_BOOTROM_ADDR 0x50 59 #define NGE_BOOTROM_DATA 0x54 60 #define NGE_SILICONREV 0x58 61 #define NGE_MIBCTL 0x5C 62 #define NGE_MIB_RXERRPKT 0x60 63 #define NGE_MIB_RXERRFCS 0x64 64 #define NGE_MIB_RXERRMISSEDPKT 0x68 65 #define NGE_MIB_RXERRALIGN 0x6C 66 #define NGE_MIB_RXERRSYM 0x70 67 #define NGE_MIB_RXERRGIANT 0x74 68 #define NGE_MIB_RXERRRANGLEN 0x78 69 #define NGE_MIB_RXBADOPCODE 0x7C 70 #define NGE_MIB_RXPAUSEPKTS 0x80 71 #define NGE_MIB_TXPAUSEPKTS 0x84 72 #define NGE_MIB_TXERRSQE 0x88 73 #define NGE_TXPRIOQ_PTR1 0xA0 74 #define NGE_TXPRIOQ_PTR2 0xA4 75 #define NGE_TXPRIOQ_PTR3 0xA8 76 #define NGE_RXPRIOQ_PTR1 0xB0 77 #define NGE_RXPRIOQ_PTR2 0xB4 78 #define NGE_RXPRIOQ_PTR3 0xB8 79 #define NGE_VLAN_IP_RXCTL 0xBC 80 #define NGE_VLAN_IP_TXCTL 0xC0 81 #define NGE_VLAN_DATA 0xC4 82 #define NGE_CLKRUN 0xCC 83 #define NGE_TBI_BMCR 0xE0 84 #define NGE_TBI_BMSR 0xE4 85 #define NGE_TBI_ANAR 0xE8 86 #define NGE_TBI_ANLPAR 0xEC 87 #define NGE_TBI_ANER 0xF0 88 #define NGE_TBI_ESR 0xF4 89 90 /* Control/status register */ 91 #define NGE_CSR_TX_ENABLE 0x00000001 92 #define NGE_CSR_TX_DISABLE 0x00000002 93 #define NGE_CSR_RX_ENABLE 0x00000004 94 #define NGE_CSR_RX_DISABLE 0x00000008 95 #define NGE_CSR_TX_RESET 0x00000010 96 #define NGE_CSR_RX_RESET 0x00000020 97 #define NGE_CSR_SOFTINTR 0x00000080 98 #define NGE_CSR_RESET 0x00000100 99 #define NGE_CSR_TX_PRIOQ_ENB0 0x00000200 100 #define NGE_CSR_TX_PRIOQ_ENB1 0x00000400 101 #define NGE_CSR_TX_PRIOQ_ENB2 0x00000800 102 #define NGE_CSR_TX_PRIOQ_ENB3 0x00001000 103 #define NGE_CSR_RX_PRIOQ_ENB0 0x00002000 104 #define NGE_CSR_RX_PRIOQ_ENB1 0x00004000 105 #define NGE_CSR_RX_PRIOQ_ENB2 0x00008000 106 #define NGE_CSR_RX_PRIOQ_ENB3 0x00010000 107 108 /* Configuration register */ 109 #define NGE_CFG_BIGENDIAN 0x00000001 110 #define NGE_CFG_EXT_125MHZ 0x00000002 111 #define NGE_CFG_BOOTROM_DIS 0x00000004 112 #define NGE_CFG_PERR_DETECT 0x00000008 113 #define NGE_CFG_DEFER_DISABLE 0x00000010 114 #define NGE_CFG_OUTOFWIN_TIMER 0x00000020 115 #define NGE_CFG_SINGLE_BACKOFF 0x00000040 116 #define NGE_CFG_PCIREQ_ALG 0x00000080 117 #define NGE_CFG_EXTSTS_ENB 0x00000100 118 #define NGE_CFG_PHY_DIS 0x00000200 119 #define NGE_CFG_PHY_RST 0x00000400 120 #define NGE_CFG_64BIT_ADDR_ENB 0x00000800 121 #define NGE_CFG_64BIT_DATA_ENB 0x00001000 122 #define NGE_CFG_64BIT_PCI_DET 0x00002000 123 #define NGE_CFG_64BIT_TARG 0x00004000 124 #define NGE_CFG_MWI_DIS 0x00008000 125 #define NGE_CFG_MRM_DIS 0x00010000 126 #define NGE_CFG_TMRTST 0x00020000 127 #define NGE_CFG_PHYINTR_SPD 0x00040000 128 #define NGE_CFG_PHYINTR_LNK 0x00080000 129 #define NGE_CFG_PHYINTR_DUP 0x00100000 130 #define NGE_CFG_MODE_1000 0x00400000 131 #define NGE_CFG_TBI_EN 0x01000000 132 #define NGE_CFG_DUPLEX_STS 0x10000000 133 #define NGE_CFG_SPEED_STS 0x60000000 134 #define NGE_CFG_LINK_STS 0x80000000 135 136 /* MII/EEPROM control register */ 137 #define NGE_MEAR_EE_DIN 0x00000001 138 #define NGE_MEAR_EE_DOUT 0x00000002 139 #define NGE_MEAR_EE_CLK 0x00000004 140 #define NGE_MEAR_EE_CSEL 0x00000008 141 #define NGE_MEAR_MII_DATA 0x00000010 142 #define NGE_MEAR_MII_DIR 0x00000020 143 #define NGE_MEAR_MII_CLK 0x00000040 144 145 #define NGE_EECMD_WRITE 0x140 146 #define NGE_EECMD_READ 0x180 147 #define NGE_EECMD_ERASE 0x1c0 148 149 #define NGE_EE_NODEADDR 0xA 150 151 /* PCI control register */ 152 #define NGE_PCICTL_SRAMADDR 0x0000001F 153 #define NGE_PCICTL_RAMTSTENB 0x00000020 154 #define NGE_PCICTL_TXTSTENB 0x00000040 155 #define NGE_PCICTL_RXTSTENB 0x00000080 156 #define NGE_PCICTL_BMTSTENB 0x00000200 157 #define NGE_PCICTL_RAMADDR 0x001F0000 158 #define NGE_PCICTL_ROMTIME 0x0F000000 159 #define NGE_PCICTL_DISCTEST 0x40000000 160 161 /* Interrupt/status register */ 162 #define NGE_ISR_RX_OK 0x00000001 163 #define NGE_ISR_RX_DESC_OK 0x00000002 164 #define NGE_ISR_RX_ERR 0x00000004 165 #define NGE_ISR_RX_EARLY 0x00000008 166 #define NGE_ISR_RX_IDLE 0x00000010 167 #define NGE_ISR_RX_OFLOW 0x00000020 168 #define NGE_ISR_TX_OK 0x00000040 169 #define NGE_ISR_TX_DESC_OK 0x00000080 170 #define NGE_ISR_TX_ERR 0x00000100 171 #define NGE_ISR_TX_IDLE 0x00000200 172 #define NGE_ISR_TX_UFLOW 0x00000400 173 #define NGE_ISR_MIB_SERVICE 0x00000800 174 #define NGE_ISR_SOFTINTR 0x00001000 175 #define NGE_ISR_PME_EVENT 0x00002000 176 #define NGE_ISR_PHY_INTR 0x00004000 177 #define NGE_ISR_HIBITS 0x00008000 178 #define NGE_ISR_RX_FIFO_OFLOW 0x00010000 179 #define NGE_ISR_TGT_ABRT 0x00020000 180 #define NGE_ISR_BM_ABRT 0x00040000 181 #define NGE_ISR_SYSERR 0x00080000 182 #define NGE_ISR_PARITY_ERR 0x00100000 183 #define NGE_ISR_RX_RESET_DONE 0x00200000 184 #define NGE_ISR_TX_RESET_DONE 0x00400000 185 #define NGE_ISR_RX_PRIOQ_DESC0 0x00800000 186 #define NGE_ISR_RX_PRIOQ_DESC1 0x01000000 187 #define NGE_ISR_RX_PRIOQ_DESC2 0x02000000 188 #define NGE_ISR_RX_PRIOQ_DESC3 0x04000000 189 #define NGE_ISR_TX_PRIOQ_DESC0 0x08000000 190 #define NGE_ISR_TX_PRIOQ_DESC1 0x10000000 191 #define NGE_ISR_TX_PRIOQ_DESC2 0x20000000 192 #define NGE_ISR_TX_PRIOQ_DESC3 0x40000000 193 194 /* Interrupt mask register */ 195 #define NGE_IMR_RX_OK 0x00000001 196 #define NGE_IMR_RX_DESC_OK 0x00000002 197 #define NGE_IMR_RX_ERR 0x00000004 198 #define NGE_IMR_RX_EARLY 0x00000008 199 #define NGE_IMR_RX_IDLE 0x00000010 200 #define NGE_IMR_RX_OFLOW 0x00000020 201 #define NGE_IMR_TX_OK 0x00000040 202 #define NGE_IMR_TX_DESC_OK 0x00000080 203 #define NGE_IMR_TX_ERR 0x00000100 204 #define NGE_IMR_TX_IDLE 0x00000200 205 #define NGE_IMR_TX_UFLOW 0x00000400 206 #define NGE_IMR_MIB_SERVICE 0x00000800 207 #define NGE_IMR_SOFTINTR 0x00001000 208 #define NGE_IMR_PME_EVENT 0x00002000 209 #define NGE_IMR_PHY_INTR 0x00004000 210 #define NGE_IMR_HIBITS 0x00008000 211 #define NGE_IMR_RX_FIFO_OFLOW 0x00010000 212 #define NGE_IMR_TGT_ABRT 0x00020000 213 #define NGE_IMR_BM_ABRT 0x00040000 214 #define NGE_IMR_SYSERR 0x00080000 215 #define NGE_IMR_PARITY_ERR 0x00100000 216 #define NGE_IMR_RX_RESET_DONE 0x00200000 217 #define NGE_IMR_TX_RESET_DONE 0x00400000 218 #define NGE_IMR_RX_PRIOQ_DESC0 0x00800000 219 #define NGE_IMR_RX_PRIOQ_DESC1 0x01000000 220 #define NGE_IMR_RX_PRIOQ_DESC2 0x02000000 221 #define NGE_IMR_RX_PRIOQ_DESC3 0x04000000 222 #define NGE_IMR_TX_PRIOQ_DESC0 0x08000000 223 #define NGE_IMR_TX_PRIOQ_DESC1 0x10000000 224 #define NGE_IMR_TX_PRIOQ_DESC2 0x20000000 225 #define NGE_IMR_TX_PRIOQ_DESC3 0x40000000 226 227 #define NGE_INTRS \ 228 (NGE_IMR_RX_OFLOW|NGE_IMR_TX_UFLOW|NGE_IMR_TX_OK|\ 229 NGE_IMR_TX_IDLE|NGE_IMR_RX_OK|NGE_IMR_RX_ERR|\ 230 NGE_IMR_SYSERR|NGE_IMR_PHY_INTR|\ 231 NGE_IMR_RX_IDLE|NGE_IMR_RX_FIFO_OFLOW) 232 233 /* Interrupt enable register */ 234 #define NGE_IER_INTRENB 0x00000001 235 236 /* Interrupt moderation timer register */ 237 #define NGE_IHR_HOLDOFF 0x000000FF 238 #define NGE_IHR_HOLDCTL 0x00000100 239 240 /* Transmit configuration register */ 241 #define NGE_TXCFG_DRAIN_THRESH 0x000000FF /* 32-byte units */ 242 #define NGE_TXCFG_FILL_THRESH 0x0000FF00 /* 32-byte units */ 243 #define NGE_1000MB_BURST_DIS 0x00080000 244 #define NGE_TXCFG_DMABURST 0x00700000 245 #define NGE_TXCFG_ECRETRY 0x00800000 246 #define NGE_TXCFG_AUTOPAD 0x10000000 247 #define NGE_TXCFG_LOOPBK 0x20000000 248 #define NGE_TXCFG_IGN_HBEAT 0x40000000 249 #define NGE_TXCFG_IGN_CARR 0x80000000 250 251 #define NGE_TXCFG_DRAIN(x) (((x) >> 5) & NGE_TXCFG_DRAIN_THRESH) 252 #define NGE_TXCFG_FILL(x) ((((x) >> 5) << 8) & NGE_TXCFG_FILL_THRESH) 253 254 #define NGE_TXDMA_1024BYTES 0x00000000 255 #define NGE_TXDMA_8BYTES 0x00100000 256 #define NGE_TXDMA_16BYTES 0x00200000 257 #define NGE_TXDMA_32BYTES 0x00300000 258 #define NGE_TXDMA_64BYTES 0x00400000 259 #define NGE_TXDMA_128BYTES 0x00500000 260 #define NGE_TXDMA_256BYTES 0x00600000 261 #define NGE_TXDMA_512BYTES 0x00700000 262 263 #define NGE_TXCFG \ 264 (NGE_TXDMA_512BYTES|NGE_TXCFG_AUTOPAD|\ 265 NGE_TXCFG_FILL(64)|NGE_TXCFG_DRAIN(6400)) 266 267 /* GPIO register */ 268 #define NGE_GPIO_GP1_OUT 0x00000001 269 #define NGE_GPIO_GP2_OUT 0x00000002 270 #define NGE_GPIO_GP3_OUT 0x00000004 271 #define NGE_GPIO_GP4_OUT 0x00000008 272 #define NGE_GPIO_GP5_OUT 0x00000010 273 #define NGE_GPIO_GP1_OUTENB 0x00000020 274 #define NGE_GPIO_GP2_OUTENB 0x00000040 275 #define NGE_GPIO_GP3_OUTENB 0x00000080 276 #define NGE_GPIO_GP4_OUTENB 0x00000100 277 #define NGE_GPIO_GP5_OUTENB 0x00000200 278 #define NGE_GPIO_GP1_IN 0x00000400 279 #define NGE_GPIO_GP2_IN 0x00000800 280 #define NGE_GPIO_GP3_IN 0x00001000 281 #define NGE_GPIO_GP4_IN 0x00002000 282 #define NGE_GPIO_GP5_IN 0x00004000 283 284 /* Receive configuration register */ 285 #define NGE_RXCFG_DRAIN_THRESH 0x0000003E /* 8-byte units */ 286 #define NGE_RXCFG_DMABURST 0x00700000 287 #define NGE_RXCFG_RX_RANGEERR 0x04000000 /* accept in-range err frames */ 288 #define NGE_RXCFG_RX_GIANTS 0x08000000 /* accept packets > 1518 bytes */ 289 #define NGE_RXCFG_RX_FDX 0x10000000 /* full duplex receive */ 290 #define NGE_RXCFG_RX_NOCRC 0x20000000 /* strip CRC */ 291 #define NGE_RXCFG_RX_RUNT 0x40000000 /* accept short frames */ 292 #define NGE_RXCFG_RX_BADPKTS 0x80000000 /* accept error frames */ 293 294 #define NGE_RXCFG_DRAIN(x) ((((x) >> 3) << 1) & NGE_RXCFG_DRAIN_THRESH) 295 296 #define NGE_RXDMA_1024BYTES 0x00000000 297 #define NGE_RXDMA_8BYTES 0x00100000 298 #define NGE_RXDMA_16BYTES 0x00200000 299 #define NGE_RXDMA_32YTES 0x00300000 300 #define NGE_RXDMA_64BYTES 0x00400000 301 #define NGE_RXDMA_128BYTES 0x00500000 302 #define NGE_RXDMA_256BYTES 0x00600000 303 #define NGE_RXDMA_512BYTES 0x00700000 304 305 /* 306 * DP83820/DP83821 with H/W VLAN stripping does not accept short VLAN 307 * tagged packets such as ARP, short icmp echo request, etc. It seems 308 * that MAC checks frame length for VLAN tagged packets after stripping 309 * the VLAN tag. For short VLAN tagged packets it would would be 56 310 * (64 - CRC - VLAN info) bytes in length after stripping VLAN tag. 311 * If the VLAN tag stripped frames are less than 60 bytes in length 312 * the hardware think it received runt packets! 313 * Therefore we should accept runt frames to get VLAN tagged ARP 314 * packets. In addition, it is known that some revisions of 315 * DP83820/DP83821 have another bug that prevent fragmented IP packets 316 * from accepting. So we also should accept errored frames. 317 */ 318 #define NGE_RXCFG \ 319 (NGE_RXCFG_DRAIN(64) | NGE_RXDMA_256BYTES| \ 320 NGE_RXCFG_RX_RANGEERR | NGE_RXCFG_RX_BADPKTS | NGE_RXCFG_RX_RUNT | \ 321 NGE_RXCFG_RX_GIANTS | NGE_RXCFG_RX_NOCRC) 322 323 /* Priority queue control */ 324 #define NGE_PRIOQCTL_TXPRIO_ENB 0x00000001 325 #define NGE_PRIOQCTL_TXFAIR_ENB 0x00000002 326 #define NGE_PRIOQCTL_RXPRIO 0x0000000C 327 328 #define NGE_RXPRIOQ_DISABLED 0x00000000 329 #define NGE_RXPRIOQ_TWOQS 0x00000004 330 #define NGE_RXPRIOQ_THREEQS 0x00000008 331 #define NGE_RXPRIOQ_FOURQS 0x0000000C 332 333 /* Wake On LAN command/status register */ 334 #define NGE_WOLCSR_WAKE_ON_PHYINTR 0x00000001 335 #define NGE_WOLCSR_WAKE_ON_UNICAST 0x00000002 336 #define NGE_WOLCSR_WAKE_ON_MULTICAST 0x00000004 337 #define NGE_WOLCSR_WAKE_ON_BROADCAST 0x00000008 338 #define NGE_WOLCSR_WAKE_ON_ARP 0x00000010 339 #define NGE_WOLCSR_WAKE_ON_PAT0_MATCH 0x00000020 340 #define NGE_WOLCSR_WAKE_ON_PAT1_MATCH 0x00000040 341 #define NGE_WOLCSR_WAKE_ON_PAT2_MATCH 0x00000080 342 #define NGE_WOLCSR_WAKE_ON_PAT3_MATCH 0x00000100 343 #define NGE_WOLCSR_WAKE_ON_MAGICPKT 0x00000200 344 #define NGE_WOLCSR_SECUREON_ENB 0x00000400 345 #define NGE_WOLCSR_SECUREON_HACK 0x00200000 346 #define NGE_WOLCSR_PHYINTR 0x00400000 347 #define NGE_WOLCSR_UNICAST 0x00800000 348 #define NGE_WOLCSR_MULTICAST 0x01000000 349 #define NGE_WOLCSR_BROADCAST 0x02000000 350 #define NGE_WOLCSR_ARP_RCVD 0x04000000 351 #define NGE_WOLCSR_PAT0_MATCH 0x08000000 352 #define NGE_WOLCSR_PAT1_MATCH 0x10000000 353 #define NGE_WOLCSR_PAT2_MATCH 0x20000000 354 #define NGE_WOLCSR_PAT3_MATCH 0x40000000 355 #define NGE_WOLCSR_MAGICPKT 0x80000000 356 357 /* Pause control/status register */ 358 #define NGE_PAUSECSR_CNT 0x0000FFFF 359 #define NGE_PAUSECSR_PFRAME_SENT 0x00020000 360 #define NGE_PAUSECSR_RX_DATAFIFO_THR_LO 0x000C0000 361 #define NGE_PAUSECSR_RX_DATAFIFO_THR_HI 0x00300000 362 #define NGE_PAUSECSR_RX_STATFIFO_THR_LO 0x00C00000 363 #define NGE_PAUSECSR_RX_STATFIFO_THR_HI 0x03000000 364 #define NGE_PAUSECSR_PFRAME_RCVD 0x08000000 365 #define NGE_PAUSECSR_PAUSE_ACTIVE 0x10000000 366 #define NGE_PAUSECSR_PAUSE_ON_DA 0x20000000 /* pause on direct addr */ 367 #define NGE_PAUSECSR_PAUSE_ON_MCAST 0x40000000 /* pause on mcast */ 368 #define NGE_PAUSECSR_PAUSE_ENB 0x80000000 369 370 /* Receive filter/match control message */ 371 #define MGE_RXFILTCTL_ADDR 0x000003FF 372 #define NGE_RXFILTCTL_ULMASK 0x00080000 373 #define NGE_RXFILTCTL_UCHASH 0x00100000 374 #define NGE_RXFILTCTL_MCHASH 0x00200000 375 #define NGE_RXFILTCTL_ARP 0x00400000 376 #define NGE_RXFILTCTL_PMATCH0 0x00800000 377 #define NGE_RXFILTCTL_PMATCH1 0x01000000 378 #define NGE_RXFILTCTL_PMATCH2 0x02000000 379 #define NGE_RXFILTCTL_PMATCH3 0x04000000 380 #define NGE_RXFILTCTL_PERFECT 0x08000000 381 #define NGE_RXFILTCTL_ALLPHYS 0x10000000 382 #define NGE_RXFILTCTL_ALLMULTI 0x20000000 383 #define NGE_RXFILTCTL_BROAD 0x40000000 384 #define NGE_RXFILTCTL_ENABLE 0x80000000 385 386 #define NGE_FILTADDR_PAR0 0x00000000 387 #define NGE_FILTADDR_PAR1 0x00000002 388 #define NGE_FILTADDR_PAR2 0x00000004 389 #define NGE_FILTADDR_PMATCH0 0x00000006 390 #define NGE_FILTADDR_PMATCH1 0x00000008 391 #define NGE_FILTADDR_SOPASS0 0x0000000A 392 #define NGE_FILTADDR_SOPASS1 0x0000000C 393 #define NGE_FILTADDR_SOPASS2 0x0000000E 394 #define NGE_FILTADDR_FMEM_LO 0x00000100 395 #define NGE_FILTADDR_FMEM_HI 0x000003FE 396 #define NGE_FILTADDR_MCAST_LO 0x00000100 /* start of multicast filter */ 397 #define NGE_FILTADDR_MCAST_HI 0x000001FE /* end of multicast filter */ 398 #define NGE_MCAST_FILTER_LEN 256 /* bytes */ 399 #define NGE_FILTADDR_PBUF0 0x00000200 /* pattern buffer 0 */ 400 #define NGE_FILTADDR_PBUF1 0x00000280 /* pattern buffer 1 */ 401 #define NGE_FILTADDR_PBUF2 0x00000300 /* pattern buffer 2 */ 402 #define NGE_FILTADDR_PBUF3 0x00000380 /* pattern buffer 3 */ 403 404 /* MIB control register */ 405 #define NGE_MIBCTL_WARNTEST 0x00000001 406 #define NGE_MIBCTL_FREEZE_CNT 0x00000002 407 #define NGE_MIBCTL_CLEAR_CNT 0x00000004 408 #define NGE_MIBCTL_STROBE_CNT 0x00000008 409 410 /* VLAN/IP RX control register */ 411 #define NGE_VIPRXCTL_TAG_DETECT_ENB 0x00000001 412 #define NGE_VIPRXCTL_TAG_STRIP_ENB 0x00000002 413 #define NGE_VIPRXCTL_DROP_TAGGEDPKTS 0x00000004 414 #define NGE_VIPRXCTL_DROP_UNTAGGEDPKTS 0x00000008 415 #define NGE_VIPRXCTL_IPCSUM_ENB 0x00000010 416 #define NGE_VIPRXCTL_REJECT_BADIPCSUM 0x00000020 417 #define NGE_VIPRXCTL_REJECT_BADTCPCSUM 0x00000040 418 #define NGE_VIPRXCTL_REJECT_BADUDPCSUM 0x00000080 419 420 /* VLAN/IP TX control register */ 421 #define NGE_VIPTXCTL_TAG_ALL 0x00000001 422 #define NGE_VIPTXCTL_TAG_PER_PKT 0x00000002 423 #define NGE_VIPTXCTL_CSUM_ALL 0x00000004 424 #define NGE_VIPTXCTL_CSUM_PER_PKT 0x00000008 425 426 /* VLAN data register */ 427 #define NGE_VLANDATA_VTYPE 0x0000FFFF 428 #define NGE_VLANDATA_VTCI 0xFFFF0000 429 430 /* Clockrun register */ 431 #define NGE_CLKRUN_PMESTS 0x00008000 432 #define NGE_CLKRUN_PMEENB 0x00000100 433 #define NGE_CLNRUN_CLKRUN_ENB 0x00000001 434 435 /* TBI BMCR */ 436 #define NGE_TBIBMCR_RESTART_ANEG 0x00000200 437 #define NGE_TBIBMCR_ENABLE_ANEG 0x00001000 438 #define NGE_TBIBMCR_LOOPBACK 0x00004000 439 440 /* TBI BMSR */ 441 #define NGE_TBIBMSR_ANEG_DONE 0x00000004 442 #define NGE_TBIBMSR_LINKSTAT 0x00000020 443 444 /* TBI ANAR */ 445 #define NGE_TBIANAR_HDX 0x00000020 446 #define NGE_TBIANAR_FDX 0x00000040 447 #define NGE_TBIANAR_PS1 0x00000080 448 #define NGE_TBIANAR_PS2 0x00000100 449 #define NGE_TBIANAR_PCAP 0x00000180 450 #define NGE_TBIANAR_REMFAULT 0x00003000 451 #define NGE_TBIANAR_NEXTPAGE 0x00008000 452 453 /* TBI ANLPAR */ 454 #define NGE_TBIANLPAR_HDX 0x00000020 455 #define NGE_TBIANLPAR_FDX 0x00000040 456 #define NGE_TBIANAR_PS1 0x00000080 457 #define NGE_TBIANAR_PS2 0x00000100 458 #define NGE_TBIANLPAR_PCAP 0x00000180 459 #define NGE_TBIANLPAR_REMFAULT 0x00003000 460 #define NGE_TBIANLPAR_NEXTPAGE 0x00008000 461 462 /* TBI ANER */ 463 #define NGE_TBIANER_PAGERCVD 0x00000002 464 #define NGE_TBIANER_NEXTPGABLE 0x00000004 465 466 /* TBI EXTSTS */ 467 #define NGE_TBIEXTSTS_HXD 0x00004000 468 #define NGE_TBIEXTSTS_FXD 0x00008000 469 470 /* 471 * DMA descriptor structures. The RX and TX descriptor formats are 472 * deliberately designed to be similar to facilitate passing them between 473 * RX and TX queues on multiple controllers, in the case where you have 474 * multiple MACs in a switching configuration. With the 83820, the pointer 475 * values can be either 64 bits or 32 bits depending on how the chip is 476 * configured. For the 83821, the fields are always 32-bits. There is 477 * also an optional extended status field for VLAN and TCP/IP checksum 478 * functions. We use the checksum feature so we enable the use of this 479 * field. Descriptors must be 64-bit aligned. 480 */ 481 struct nge_desc_64 { 482 /* Hardware descriptor section */ 483 uint32_t nge_next_lo; 484 uint32_t nge_next_hi; 485 uint32_t nge_ptr_lo; 486 uint32_t nge_ptr_hi; 487 uint32_t nge_cmdsts; 488 uint32_t nge_extsts; 489 }; 490 491 struct nge_desc_32 { 492 /* Hardware descriptor section */ 493 uint32_t nge_next; 494 uint32_t nge_ptr; 495 uint32_t nge_cmdsts; 496 uint32_t nge_extsts; 497 }; 498 499 #define nge_desc nge_desc_32 500 501 #define NGE_CMDSTS_BUFLEN 0x0000FFFF 502 #define NGE_CMDSTS_PKT_OK 0x08000000 503 #define NGE_CMDSTS_CRC 0x10000000 504 #define NGE_CMDSTS_INTR 0x20000000 505 #define NGE_CMDSTS_MORE 0x40000000 506 #define NGE_CMDSTS_OWN 0x80000000 507 508 #define NGE_INC(x, y) (x) = ((x) + 1) % y 509 510 #define NGE_RXSTAT_RANGELENERR 0x00010000 511 #define NGE_RXSTAT_LOOPBK 0x00020000 512 #define NGE_RXSTAT_ALIGNERR 0x00040000 513 #define NGE_RXSTAT_CRCERR 0x00080000 514 #define NGE_RXSTAT_SYMBOLERR 0x00100000 515 #define NGE_RXSTAT_RUNT 0x00200000 516 #define NGE_RXSTAT_GIANT 0x00400000 517 #define NGE_RXSTAT_DSTCLASS 0x01800000 518 #define NGE_RXSTAT_OVERRUN 0x02000000 519 #define NGE_RXSTAT_RX_ABORT 0x04000000 520 521 #define NGE_DSTCLASS_REJECT 0x00000000 522 #define NGE_DSTCLASS_UNICAST 0x00800000 523 #define NGE_DSTCLASS_MULTICAST 0x01000000 524 #define NGE_DSTCLASS_BROADCAST 0x02000000 525 526 #define NGE_TXSTAT_COLLCNT 0x000F0000 527 #define NGE_TXSTAT_EXCESSCOLLS 0x00100000 528 #define NGE_TXSTAT_OUTOFWINCOLL 0x00200000 529 #define NGE_TXSTAT_EXCESS_DEFER 0x00400000 530 #define NGE_TXSTAT_DEFERED 0x00800000 531 #define NGE_TXSTAT_CARR_LOST 0x01000000 532 #define NGE_TXSTAT_UNDERRUN 0x02000000 533 #define NGE_TXSTAT_TX_ABORT 0x04000000 534 535 #define NGE_TXEXTSTS_VLAN_TCI 0x0000FFFF 536 #define NGE_TXEXTSTS_VLANPKT 0x00010000 537 #define NGE_TXEXTSTS_IPCSUM 0x00020000 538 #define NGE_TXEXTSTS_TCPCSUM 0x00080000 539 #define NGE_TXEXTSTS_UDPCSUM 0x00200000 540 541 #define NGE_RXEXTSTS_VTCI 0x0000FFFF 542 #define NGE_RXEXTSTS_VLANPKT 0x00010000 543 #define NGE_RXEXTSTS_IPPKT 0x00020000 544 #define NGE_RXEXTSTS_IPCSUMERR 0x00040000 545 #define NGE_RXEXTSTS_TCPPKT 0x00080000 546 #define NGE_RXEXTSTS_TCPCSUMERR 0x00100000 547 #define NGE_RXEXTSTS_UDPPKT 0x00200000 548 #define NGE_RXEXTSTS_UDPCSUMERR 0x00400000 549 550 #define NGE_TX_RING_CNT 256 551 #define NGE_RX_RING_CNT 256 552 #define NGE_TX_RING_SIZE sizeof(struct nge_desc) * NGE_TX_RING_CNT 553 #define NGE_RX_RING_SIZE sizeof(struct nge_desc) * NGE_RX_RING_CNT 554 #define NGE_RING_ALIGN sizeof(uint64_t) 555 #define NGE_RX_ALIGN sizeof(uint64_t) 556 #define NGE_MAXTXSEGS 16 557 558 #define NGE_ADDR_LO(x) ((uint64_t)(x) & 0xffffffff) 559 #define NGE_ADDR_HI(x) ((uint64_t)(x) >> 32) 560 #define NGE_TX_RING_ADDR(sc, i) \ 561 ((sc)->nge_rdata.nge_tx_ring_paddr + sizeof(struct nge_desc) * (i)) 562 #define NGE_RX_RING_ADDR(sc, i) \ 563 ((sc)->nge_rdata.nge_rx_ring_paddr + sizeof(struct nge_desc) * (i)) 564 565 struct nge_txdesc { 566 struct mbuf *tx_m; 567 bus_dmamap_t tx_dmamap; 568 }; 569 570 struct nge_rxdesc { 571 struct mbuf *rx_m; 572 bus_dmamap_t rx_dmamap; 573 }; 574 575 struct nge_chain_data { 576 bus_dma_tag_t nge_parent_tag; 577 bus_dma_tag_t nge_tx_tag; 578 struct nge_txdesc nge_txdesc[NGE_TX_RING_CNT]; 579 bus_dma_tag_t nge_rx_tag; 580 struct nge_rxdesc nge_rxdesc[NGE_RX_RING_CNT]; 581 bus_dma_tag_t nge_tx_ring_tag; 582 bus_dma_tag_t nge_rx_ring_tag; 583 bus_dmamap_t nge_tx_ring_map; 584 bus_dmamap_t nge_rx_ring_map; 585 bus_dmamap_t nge_rx_sparemap; 586 int nge_tx_prod; 587 int nge_tx_cons; 588 int nge_tx_cnt; 589 int nge_rx_cons; 590 }; 591 592 struct nge_ring_data { 593 struct nge_desc *nge_tx_ring; 594 bus_addr_t nge_tx_ring_paddr; 595 struct nge_desc *nge_rx_ring; 596 bus_addr_t nge_rx_ring_paddr; 597 }; 598 599 /* 600 * NatSemi PCI vendor ID. 601 */ 602 #define NGE_VENDORID 0x100B 603 604 /* 605 * 83820/83821 PCI device IDs 606 */ 607 #define NGE_DEVICEID 0x0022 608 609 struct nge_type { 610 uint16_t nge_vid; 611 uint16_t nge_did; 612 const char *nge_name; 613 }; 614 615 #define NGE_JUMBO_FRAMELEN 9022 616 #define NGE_JUMBO_MTU \ 617 (NGE_JUMBO_FRAMELEN - sizeof(struct ether_vlan_header) - ETHER_CRC_LEN) 618 619 /* Statistics counters. */ 620 struct nge_stats { 621 uint32_t rx_pkts_errs; 622 uint32_t rx_crc_errs; 623 uint32_t rx_fifo_oflows; 624 uint32_t rx_align_errs; 625 uint32_t rx_sym_errs; 626 uint32_t rx_pkts_jumbos; 627 uint32_t rx_len_errs; 628 uint32_t rx_unctl_frames; 629 uint32_t rx_pause; 630 uint32_t tx_pause; 631 uint32_t tx_seq_errs; 632 }; 633 634 struct nge_softc { 635 if_t nge_ifp; 636 device_t nge_dev; 637 struct resource *nge_res; 638 int nge_res_type; 639 int nge_res_id; 640 struct resource *nge_irq; 641 void *nge_intrhand; 642 device_t nge_miibus; 643 int nge_if_flags; 644 uint32_t nge_flags; 645 #define NGE_FLAG_TBI 0x0002 646 #define NGE_FLAG_SUSPENDED 0x2000 647 #define NGE_FLAG_DETACH 0x4000 648 #define NGE_FLAG_LINK 0x8000 649 struct nge_chain_data nge_cdata; 650 struct nge_ring_data nge_rdata; 651 struct callout nge_stat_ch; 652 struct nge_stats nge_stats; 653 struct mtx nge_mtx; 654 #ifdef DEVICE_POLLING 655 int rxcycles; 656 #endif 657 int nge_watchdog_timer; 658 int nge_int_holdoff; 659 struct mbuf *nge_head; 660 struct mbuf *nge_tail; 661 }; 662 663 #define NGE_LOCK_INIT(_sc, _name) \ 664 mtx_init(&(_sc)->nge_mtx, _name, MTX_NETWORK_LOCK, MTX_DEF) 665 #define NGE_LOCK(_sc) mtx_lock(&(_sc)->nge_mtx) 666 #define NGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->nge_mtx, MA_OWNED) 667 #define NGE_UNLOCK(_sc) mtx_unlock(&(_sc)->nge_mtx) 668 #define NGE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->nge_mtx) 669 670 /* 671 * register space access macros 672 */ 673 #define CSR_WRITE_4(sc, reg, val) \ 674 bus_write_4((sc)->nge_res, reg, val) 675 676 #define CSR_BARRIER_4(sc, reg, flags) \ 677 bus_barrier((sc)->nge_res, reg, 4, flags) 678 679 #define CSR_READ_4(sc, reg) \ 680 bus_read_4((sc)->nge_res, reg) 681 682 #define NGE_TIMEOUT 1000 683 684 #define NGE_INT_HOLDOFF_DEFAULT 1 685 #define NGE_INT_HOLDOFF_MIN 0 686 #define NGE_INT_HOLDOFF_MAX 255 687 688 /* 689 * PCI low memory base and low I/O base register, and 690 * other PCI registers. 691 */ 692 693 #define NGE_PCI_VENDOR_ID 0x00 694 #define NGE_PCI_DEVICE_ID 0x02 695 #define NGE_PCI_COMMAND 0x04 696 #define NGE_PCI_STATUS 0x06 697 #define NGE_PCI_REVID 0x08 698 #define NGE_PCI_CLASSCODE 0x09 699 #define NGE_PCI_CACHELEN 0x0C 700 #define NGE_PCI_LATENCY_TIMER 0x0D 701 #define NGE_PCI_HEADER_TYPE 0x0E 702 #define NGE_PCI_LOIO 0x10 703 #define NGE_PCI_LOMEM 0x14 704 #define NGE_PCI_BIOSROM 0x30 705 #define NGE_PCI_INTLINE 0x3C 706 #define NGE_PCI_INTPIN 0x3D 707 #define NGE_PCI_MINGNT 0x3E 708 #define NGE_PCI_MINLAT 0x0F 709 #define NGE_PCI_RESETOPT 0x48 710 #define NGE_PCI_EEPROM_DATA 0x4C 711 712 /* power management registers */ 713 #define NGE_PCI_CAPID 0x50 /* 8 bits */ 714 #define NGE_PCI_NEXTPTR 0x51 /* 8 bits */ 715 #define NGE_PCI_PWRMGMTCAP 0x52 /* 16 bits */ 716 #define NGE_PCI_PWRMGMTCTRL 0x54 /* 16 bits */ 717 718 #define NGE_PSTATE_MASK 0x0003 719 #define NGE_PSTATE_D0 0x0000 720 #define NGE_PSTATE_D1 0x0001 721 #define NGE_PSTATE_D2 0x0002 722 #define NGE_PSTATE_D3 0x0003 723 #define NGE_PME_EN 0x0010 724 #define NGE_PME_STATUS 0x8000 725