| 1 | /* $NetBSD: ne2000.c,v 1.74 2013/08/11 12:34:16 rkujawa Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
| 9 | * NASA Ames Research Center. |
| 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * Device driver for National Semiconductor DS8390/WD83C690 based ethernet |
| 35 | * adapters. |
| 36 | * |
| 37 | * Copyright (c) 1994, 1995 Charles M. Hannum. All rights reserved. |
| 38 | * |
| 39 | * Copyright (C) 1993, David Greenman. This software may be used, modified, |
| 40 | * copied, distributed, and sold, in both source and binary form provided that |
| 41 | * the above copyright and these terms are retained. Under no circumstances is |
| 42 | * the author responsible for the proper functioning of this software, nor does |
| 43 | * the author assume any responsibility for damages incurred with its use. |
| 44 | */ |
| 45 | |
| 46 | /* |
| 47 | * Common code shared by all NE2000-compatible Ethernet interfaces. |
| 48 | */ |
| 49 | |
| 50 | #include <sys/cdefs.h> |
| 51 | __KERNEL_RCSID(0, "$NetBSD: ne2000.c,v 1.74 2013/08/11 12:34:16 rkujawa Exp $" ); |
| 52 | |
| 53 | #include "opt_ipkdb.h" |
| 54 | |
| 55 | #include "rtl80x9.h" |
| 56 | |
| 57 | #include <sys/param.h> |
| 58 | #include <sys/systm.h> |
| 59 | #include <sys/device.h> |
| 60 | #include <sys/socket.h> |
| 61 | #include <sys/mbuf.h> |
| 62 | #include <sys/syslog.h> |
| 63 | |
| 64 | #include <net/if.h> |
| 65 | #include <net/if_dl.h> |
| 66 | #include <net/if_types.h> |
| 67 | #include <net/if_media.h> |
| 68 | |
| 69 | #include <net/if_ether.h> |
| 70 | |
| 71 | #include <sys/bswap.h> |
| 72 | #include <sys/bus.h> |
| 73 | |
| 74 | #ifndef __BUS_SPACE_HAS_STREAM_METHODS |
| 75 | #define bus_space_write_stream_2 bus_space_write_2 |
| 76 | #define bus_space_write_multi_stream_2 bus_space_write_multi_2 |
| 77 | #define bus_space_read_multi_stream_2 bus_space_read_multi_2 |
| 78 | #endif /* __BUS_SPACE_HAS_STREAM_METHODS */ |
| 79 | |
| 80 | #ifdef IPKDB_NE |
| 81 | #include <ipkdb/ipkdb.h> |
| 82 | #endif |
| 83 | |
| 84 | #include <dev/ic/dp8390reg.h> |
| 85 | #include <dev/ic/dp8390var.h> |
| 86 | |
| 87 | #include <dev/ic/ne2000reg.h> |
| 88 | #include <dev/ic/ne2000var.h> |
| 89 | |
| 90 | #include <dev/ic/rtl80x9reg.h> |
| 91 | #include <dev/ic/rtl80x9var.h> |
| 92 | |
| 93 | #include <dev/ic/ax88190reg.h> |
| 94 | |
| 95 | static int ne2000_write_mbuf(struct dp8390_softc *, struct mbuf *, int); |
| 96 | static int ne2000_ring_copy(struct dp8390_softc *, int, void *, u_short); |
| 97 | static void ne2000_read_hdr(struct dp8390_softc *, int, |
| 98 | struct dp8390_ring *); |
| 99 | static int ne2000_test_mem(struct dp8390_softc *); |
| 100 | |
| 101 | static void ne2000_writemem(bus_space_tag_t, bus_space_handle_t, |
| 102 | bus_space_tag_t, bus_space_handle_t, const uint8_t *, int, |
| 103 | size_t, int, int); |
| 104 | static void ne2000_readmem(bus_space_tag_t, bus_space_handle_t, |
| 105 | bus_space_tag_t, bus_space_handle_t, int, uint8_t *, |
| 106 | size_t, int); |
| 107 | |
| 108 | #ifdef NE2000_DETECT_8BIT |
| 109 | static bool ne2000_detect_8bit(bus_space_tag_t, bus_space_handle_t, |
| 110 | bus_space_tag_t, bus_space_handle_t); |
| 111 | #endif |
| 112 | |
| 113 | #define ASIC_BARRIER(asict, asich) \ |
| 114 | bus_space_barrier((asict), (asich), 0, 0x10, \ |
| 115 | BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE) |
| 116 | |
| 117 | int |
| 118 | ne2000_attach(struct ne2000_softc *nsc, uint8_t *myea) |
| 119 | { |
| 120 | struct dp8390_softc *dsc = &nsc->sc_dp8390; |
| 121 | bus_space_tag_t nict = dsc->sc_regt; |
| 122 | bus_space_handle_t nich = dsc->sc_regh; |
| 123 | bus_space_tag_t asict = nsc->sc_asict; |
| 124 | bus_space_handle_t asich = nsc->sc_asich; |
| 125 | uint8_t romdata[16]; |
| 126 | int memstart, memsize, i, useword; |
| 127 | |
| 128 | /* |
| 129 | * Detect it again unless caller specified it; this gives us |
| 130 | * the memory size. |
| 131 | */ |
| 132 | if (nsc->sc_type == NE2000_TYPE_UNKNOWN) |
| 133 | nsc->sc_type = ne2000_detect(nict, nich, asict, asich); |
| 134 | |
| 135 | /* |
| 136 | * 8k of memory for NE1000, 16k for NE2000 and 24k for the |
| 137 | * card uses DL10019. |
| 138 | */ |
| 139 | switch (nsc->sc_type) { |
| 140 | case NE2000_TYPE_UNKNOWN: |
| 141 | default: |
| 142 | aprint_error_dev(dsc->sc_dev, "where did the card go?\n" ); |
| 143 | return 1; |
| 144 | case NE2000_TYPE_NE1000: |
| 145 | memstart = 8192; |
| 146 | memsize = 8192; |
| 147 | useword = 0; |
| 148 | break; |
| 149 | case NE2000_TYPE_NE2000: |
| 150 | case NE2000_TYPE_AX88190: /* XXX really? */ |
| 151 | case NE2000_TYPE_AX88790: |
| 152 | case NE2000_TYPE_AX88796: |
| 153 | #if NRTL80X9 > 0 |
| 154 | case NE2000_TYPE_RTL8019: |
| 155 | #endif |
| 156 | memstart = 16384; |
| 157 | memsize = 16384; |
| 158 | useword = 1; |
| 159 | |
| 160 | if ( |
| 161 | #ifdef NE2000_DETECT_8BIT |
| 162 | ne2000_detect_8bit(nict, nich, asict, asich) || |
| 163 | #endif |
| 164 | (nsc->sc_quirk & NE2000_QUIRK_8BIT) != 0) { |
| 165 | /* in 8 bit mode, only 8KB memory can be used */ |
| 166 | memsize = 8192; |
| 167 | useword = 0; |
| 168 | } |
| 169 | break; |
| 170 | case NE2000_TYPE_DL10019: |
| 171 | case NE2000_TYPE_DL10022: |
| 172 | memstart = 8192 * 3; |
| 173 | memsize = 8192 * 3; |
| 174 | useword = 1; |
| 175 | break; |
| 176 | } |
| 177 | |
| 178 | nsc->sc_useword = useword; |
| 179 | #if NRTL80X9 > 0 |
| 180 | if (nsc->sc_type == NE2000_TYPE_RTL8019) { |
| 181 | dsc->init_card = rtl80x9_init_card; |
| 182 | dsc->sc_media_init = rtl80x9_media_init; |
| 183 | dsc->sc_mediachange = rtl80x9_mediachange; |
| 184 | dsc->sc_mediastatus = rtl80x9_mediastatus; |
| 185 | } |
| 186 | #endif |
| 187 | |
| 188 | dsc->cr_proto = ED_CR_RD2; |
| 189 | if (nsc->sc_type == NE2000_TYPE_AX88190 || |
| 190 | nsc->sc_type == NE2000_TYPE_AX88790) { |
| 191 | dsc->rcr_proto = ED_RCR_INTT; |
| 192 | dsc->sc_flags |= DP8390_DO_AX88190_WORKAROUND; |
| 193 | } else |
| 194 | dsc->rcr_proto = 0; |
| 195 | |
| 196 | /* |
| 197 | * DCR gets: |
| 198 | * |
| 199 | * FIFO threshold to 8, No auto-init Remote DMA, |
| 200 | * byte order=80x86. |
| 201 | * |
| 202 | * NE1000 gets byte-wide DMA, NE2000 gets word-wide DMA. |
| 203 | */ |
| 204 | dsc->dcr_reg = ED_DCR_FT1 | ED_DCR_LS | (useword ? ED_DCR_WTS : 0); |
| 205 | |
| 206 | dsc->test_mem = ne2000_test_mem; |
| 207 | dsc->ring_copy = ne2000_ring_copy; |
| 208 | dsc->write_mbuf = ne2000_write_mbuf; |
| 209 | dsc->read_hdr = ne2000_read_hdr; |
| 210 | |
| 211 | /* Registers are linear. */ |
| 212 | for (i = 0; i < 16; i++) |
| 213 | dsc->sc_reg_map[i] = i; |
| 214 | |
| 215 | /* |
| 216 | * NIC memory doens't start at zero on an NE board. |
| 217 | * The start address is tied to the bus width. |
| 218 | */ |
| 219 | #ifdef GWETHER |
| 220 | { |
| 221 | int x; |
| 222 | int8_t pbuf0[ED_PAGE_SIZE], pbuf[ED_PAGE_SIZE], |
| 223 | tbuf[ED_PAGE_SIZE]; |
| 224 | |
| 225 | memstart = 0; |
| 226 | for (i = 0; i < ED_PAGE_SIZE; i++) |
| 227 | pbuf0[i] = 0; |
| 228 | |
| 229 | /* Search for the start of RAM. */ |
| 230 | for (x = 1; x < 256; x++) { |
| 231 | ne2000_writemem(nict, nich, asict, asich, pbuf0, |
| 232 | x << ED_PAGE_SHIFT, ED_PAGE_SIZE, useword, 0); |
| 233 | ne2000_readmem(nict, nich, asict, asich, |
| 234 | x << ED_PAGE_SHIFT, tbuf, ED_PAGE_SIZE, useword); |
| 235 | if (memcmp(pbuf0, tbuf, ED_PAGE_SIZE) == 0) { |
| 236 | for (i = 0; i < ED_PAGE_SIZE; i++) |
| 237 | pbuf[i] = 255 - x; |
| 238 | ne2000_writemem(nict, nich, asict, asich, |
| 239 | pbuf, x << ED_PAGE_SHIFT, ED_PAGE_SIZE, |
| 240 | useword, 0); |
| 241 | ne2000_readmem(nict, nich, asict, asich, |
| 242 | x << ED_PAGE_SHIFT, tbuf, ED_PAGE_SIZE, |
| 243 | useword); |
| 244 | if (memcmp(pbuf, tbuf, ED_PAGE_SIZE) == 0) { |
| 245 | memstart = x << ED_PAGE_SHIFT; |
| 246 | memsize = ED_PAGE_SIZE; |
| 247 | break; |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | if (memstart == 0) { |
| 253 | aprint_error_dev(dsc->sc_dev, |
| 254 | "cannot find start of RAM\n" ); |
| 255 | return 1; |
| 256 | } |
| 257 | |
| 258 | /* Search for the end of RAM. */ |
| 259 | for (++x; x < 256; x++) { |
| 260 | ne2000_writemem(nict, nich, asict, asich, pbuf0, |
| 261 | x << ED_PAGE_SHIFT, ED_PAGE_SIZE, useword, 0); |
| 262 | ne2000_readmem(nict, nich, asict, asich, |
| 263 | x << ED_PAGE_SHIFT, tbuf, ED_PAGE_SIZE, useword); |
| 264 | if (memcmp(pbuf0, tbuf, ED_PAGE_SIZE) == 0) { |
| 265 | for (i = 0; i < ED_PAGE_SIZE; i++) |
| 266 | pbuf[i] = 255 - x; |
| 267 | ne2000_writemem(nict, nich, asict, asich, |
| 268 | pbuf, x << ED_PAGE_SHIFT, ED_PAGE_SIZE, |
| 269 | useword, 0); |
| 270 | ne2000_readmem(nict, nich, asict, asich, |
| 271 | x << ED_PAGE_SHIFT, tbuf, ED_PAGE_SIZE, |
| 272 | useword); |
| 273 | if (memcmp(pbuf, tbuf, ED_PAGE_SIZE) == 0) |
| 274 | memsize += ED_PAGE_SIZE; |
| 275 | else |
| 276 | break; |
| 277 | } else |
| 278 | break; |
| 279 | } |
| 280 | |
| 281 | printf("%s: RAM start 0x%x, size %d\n" , |
| 282 | device_xname(dsc->sc_dev), memstart, memsize); |
| 283 | } |
| 284 | #endif /* GWETHER */ |
| 285 | dsc->mem_start = memstart; |
| 286 | |
| 287 | dsc->mem_size = memsize; |
| 288 | |
| 289 | if (myea == NULL) { |
| 290 | /* Read the station address. */ |
| 291 | if (nsc->sc_type == NE2000_TYPE_AX88190 || |
| 292 | nsc->sc_type == NE2000_TYPE_AX88790 || |
| 293 | nsc->sc_type == NE2000_TYPE_AX88796) { |
| 294 | /* Select page 0 registers. */ |
| 295 | NIC_BARRIER(nict, nich); |
| 296 | bus_space_write_1(nict, nich, ED_P0_CR, |
| 297 | ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); |
| 298 | NIC_BARRIER(nict, nich); |
| 299 | /* Select word transfer. */ |
| 300 | bus_space_write_1(nict, nich, ED_P0_DCR, |
| 301 | useword ? ED_DCR_WTS : 0); |
| 302 | NIC_BARRIER(nict, nich); |
| 303 | ne2000_readmem(nict, nich, asict, asich, |
| 304 | AX88190_NODEID_OFFSET, dsc->sc_enaddr, |
| 305 | ETHER_ADDR_LEN, useword); |
| 306 | } else { |
| 307 | bool ne1000 = (nsc->sc_type == NE2000_TYPE_NE1000); |
| 308 | |
| 309 | ne2000_readmem(nict, nich, asict, asich, 0, romdata, |
| 310 | sizeof(romdata), useword); |
| 311 | for (i = 0; i < ETHER_ADDR_LEN; i++) |
| 312 | dsc->sc_enaddr[i] = |
| 313 | romdata[i * (ne1000 ? 1 : 2)]; |
| 314 | } |
| 315 | } else |
| 316 | memcpy(dsc->sc_enaddr, myea, sizeof(dsc->sc_enaddr)); |
| 317 | |
| 318 | /* Clear any pending interrupts that might have occurred above. */ |
| 319 | NIC_BARRIER(nict, nich); |
| 320 | bus_space_write_1(nict, nich, ED_P0_ISR, 0xff); |
| 321 | NIC_BARRIER(nict, nich); |
| 322 | |
| 323 | if (dsc->sc_media_init == NULL) |
| 324 | dsc->sc_media_init = dp8390_media_init; |
| 325 | |
| 326 | if (dp8390_config(dsc)) { |
| 327 | aprint_error_dev(dsc->sc_dev, "setup failed\n" ); |
| 328 | return 1; |
| 329 | } |
| 330 | |
| 331 | return 0; |
| 332 | } |
| 333 | |
| 334 | /* |
| 335 | * Detect an NE-2000 or compatible. Returns a model code. |
| 336 | */ |
| 337 | int |
| 338 | ne2000_detect(bus_space_tag_t nict, bus_space_handle_t nich, |
| 339 | bus_space_tag_t asict, bus_space_handle_t asich) |
| 340 | { |
| 341 | const uint8_t test_pattern[32] = "THIS is A memory TEST pattern" ; |
| 342 | uint8_t test_buffer[32], tmp; |
| 343 | int i, rv = NE2000_TYPE_UNKNOWN; |
| 344 | int useword; |
| 345 | |
| 346 | /* Reset the board. */ |
| 347 | #ifdef GWETHER |
| 348 | bus_space_write_1(asict, asich, NE2000_ASIC_RESET, 0); |
| 349 | ASIC_BARRIER(asict, asich); |
| 350 | delay(200); |
| 351 | #endif /* GWETHER */ |
| 352 | tmp = bus_space_read_1(asict, asich, NE2000_ASIC_RESET); |
| 353 | ASIC_BARRIER(asict, asich); |
| 354 | delay(10000); |
| 355 | |
| 356 | /* |
| 357 | * I don't know if this is necessary; probably cruft leftover from |
| 358 | * Clarkson packet driver code. Doesn't do a thing on the boards I've |
| 359 | * tested. -DG [note that a outb(0x84, 0) seems to work here, and is |
| 360 | * non-invasive...but some boards don't seem to reset and I don't have |
| 361 | * complete documentation on what the 'right' thing to do is...so we do |
| 362 | * the invasive thing for now. Yuck.] |
| 363 | */ |
| 364 | bus_space_write_1(asict, asich, NE2000_ASIC_RESET, tmp); |
| 365 | ASIC_BARRIER(asict, asich); |
| 366 | delay(5000); |
| 367 | |
| 368 | /* |
| 369 | * This is needed because some NE clones apparently don't reset the |
| 370 | * NIC properly (or the NIC chip doesn't reset fully on power-up). |
| 371 | * XXX - this makes the probe invasive! Done against my better |
| 372 | * judgement. -DLG |
| 373 | */ |
| 374 | bus_space_write_1(nict, nich, ED_P0_CR, |
| 375 | ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STP); |
| 376 | NIC_BARRIER(nict, nich); |
| 377 | |
| 378 | delay(5000); |
| 379 | |
| 380 | /* |
| 381 | * Generic probe routine for testing for the existence of a DS8390. |
| 382 | * Must be performed after the NIC has just been reset. This |
| 383 | * works by looking at certain register values that are guaranteed |
| 384 | * to be initialized a certain way after power-up or reset. |
| 385 | * |
| 386 | * Specifically: |
| 387 | * |
| 388 | * Register reset bits set bits |
| 389 | * -------- ---------- -------- |
| 390 | * CR TXP, STA RD2, STP |
| 391 | * ISR RST |
| 392 | * IMR <all> |
| 393 | * DCR LAS |
| 394 | * TCR LB1, LB0 |
| 395 | * |
| 396 | * We only look at CR and ISR, however, since looking at the others |
| 397 | * would require changing register pages, which would be intrusive |
| 398 | * if this isn't an 8390. |
| 399 | */ |
| 400 | |
| 401 | tmp = bus_space_read_1(nict, nich, ED_P0_CR); |
| 402 | if ((tmp & (ED_CR_RD2 | ED_CR_TXP | ED_CR_STA | ED_CR_STP)) != |
| 403 | (ED_CR_RD2 | ED_CR_STP)) |
| 404 | goto out; |
| 405 | |
| 406 | tmp = bus_space_read_1(nict, nich, ED_P0_ISR); |
| 407 | if ((tmp & ED_ISR_RST) != ED_ISR_RST) |
| 408 | goto out; |
| 409 | |
| 410 | bus_space_write_1(nict, nich, |
| 411 | ED_P0_CR, ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); |
| 412 | NIC_BARRIER(nict, nich); |
| 413 | |
| 414 | for (i = 0; i < 100; i++) { |
| 415 | if ((bus_space_read_1(nict, nich, ED_P0_ISR) & ED_ISR_RST) == |
| 416 | ED_ISR_RST) { |
| 417 | /* Ack the reset bit. */ |
| 418 | bus_space_write_1(nict, nich, ED_P0_ISR, ED_ISR_RST); |
| 419 | NIC_BARRIER(nict, nich); |
| 420 | break; |
| 421 | } |
| 422 | delay(100); |
| 423 | } |
| 424 | |
| 425 | #if 0 |
| 426 | /* XXX */ |
| 427 | if (i == 100) |
| 428 | goto out; |
| 429 | #endif |
| 430 | |
| 431 | /* |
| 432 | * Test the ability to read and write to the NIC memory. This has |
| 433 | * the side effect of determining if this is an NE1000 or an NE2000. |
| 434 | */ |
| 435 | |
| 436 | /* |
| 437 | * This prevents packets from being stored in the NIC memory when |
| 438 | * the readmem routine turns on the start bit in the CR. |
| 439 | */ |
| 440 | bus_space_write_1(nict, nich, ED_P0_RCR, ED_RCR_MON); |
| 441 | NIC_BARRIER(nict, nich); |
| 442 | |
| 443 | /* Temporarily initialize DCR for byte operations. */ |
| 444 | bus_space_write_1(nict, nich, ED_P0_DCR, ED_DCR_FT1 | ED_DCR_LS); |
| 445 | |
| 446 | bus_space_write_1(nict, nich, ED_P0_PSTART, 8192 >> ED_PAGE_SHIFT); |
| 447 | bus_space_write_1(nict, nich, ED_P0_PSTOP, 16384 >> ED_PAGE_SHIFT); |
| 448 | |
| 449 | /* |
| 450 | * Write a test pattern in byte mode. If this fails, then there |
| 451 | * probably isn't any memory at 8k - which likely means that the |
| 452 | * board is an NE2000. |
| 453 | */ |
| 454 | ne2000_writemem(nict, nich, asict, asich, test_pattern, 8192, |
| 455 | sizeof(test_pattern), 0, 1); |
| 456 | ne2000_readmem(nict, nich, asict, asich, 8192, test_buffer, |
| 457 | sizeof(test_buffer), 0); |
| 458 | |
| 459 | if (memcmp(test_pattern, test_buffer, sizeof(test_pattern)) == 0) { |
| 460 | /* We're an NE1000. */ |
| 461 | rv = NE2000_TYPE_NE1000; |
| 462 | goto out; |
| 463 | } |
| 464 | |
| 465 | /* not an NE1000 - try NE2000 */ |
| 466 | |
| 467 | /* try 16 bit mode first */ |
| 468 | useword = 1; |
| 469 | |
| 470 | #ifdef NE2000_DETECT_8BIT |
| 471 | /* |
| 472 | * Check bus type in EEPROM first because some NE2000 compatible wedges |
| 473 | * on 16 bit DMA access if the chip is configured in 8 bit mode. |
| 474 | */ |
| 475 | if (ne2000_detect_8bit(nict, nich, asict, asich)) |
| 476 | useword = 0; |
| 477 | #endif |
| 478 | again: |
| 479 | bus_space_write_1(nict, nich, ED_P0_DCR, ED_DCR_FT1 | ED_DCR_LS | |
| 480 | (useword ? ED_DCR_WTS : 0)); |
| 481 | bus_space_write_1(nict, nich, ED_P0_PSTART, 16384 >> ED_PAGE_SHIFT); |
| 482 | bus_space_write_1(nict, nich, ED_P0_PSTOP, |
| 483 | (16384 + (useword ? 16384 : 8192)) >> ED_PAGE_SHIFT); |
| 484 | |
| 485 | /* |
| 486 | * Write the test pattern in word mode. If this also fails, |
| 487 | * then we don't know what this board is. |
| 488 | */ |
| 489 | ne2000_writemem(nict, nich, asict, asich, test_pattern, 16384, |
| 490 | sizeof(test_pattern), useword, 1); |
| 491 | ne2000_readmem(nict, nich, asict, asich, 16384, test_buffer, |
| 492 | sizeof(test_buffer), useword); |
| 493 | |
| 494 | if (memcmp(test_pattern, test_buffer, sizeof(test_pattern)) != 0) { |
| 495 | if (useword == 1) { |
| 496 | /* try 8 bit mode */ |
| 497 | useword = 0; |
| 498 | goto again; |
| 499 | } |
| 500 | return NE2000_TYPE_UNKNOWN; /* not an NE2000 either */ |
| 501 | } |
| 502 | |
| 503 | rv = NE2000_TYPE_NE2000; |
| 504 | |
| 505 | #if NRTL80X9 > 0 |
| 506 | /* Check for a Realtek RTL8019. */ |
| 507 | if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) == RTL0_8019ID0 && |
| 508 | bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) == RTL0_8019ID1) |
| 509 | rv = NE2000_TYPE_RTL8019; |
| 510 | #endif |
| 511 | |
| 512 | out: |
| 513 | /* Clear any pending interrupts that might have occurred above. */ |
| 514 | NIC_BARRIER(nict, nich); |
| 515 | bus_space_write_1(nict, nich, ED_P0_ISR, 0xff); |
| 516 | |
| 517 | return rv; |
| 518 | } |
| 519 | |
| 520 | #ifdef NE2000_DETECT_8BIT |
| 521 | static bool |
| 522 | ne2000_detect_8bit(bus_space_tag_t nict, bus_space_handle_t nich, |
| 523 | bus_space_tag_t asict, bus_space_handle_t asich) |
| 524 | { |
| 525 | bool is8bit; |
| 526 | uint8_t romdata[32]; |
| 527 | |
| 528 | is8bit = false; |
| 529 | |
| 530 | /* Set DCR for 8 bit DMA. */ |
| 531 | bus_space_write_1(nict, nich, ED_P0_DCR, ED_DCR_FT1 | ED_DCR_LS); |
| 532 | /* Read PROM area. */ |
| 533 | ne2000_readmem(nict, nich, asict, asich, 0, romdata, |
| 534 | sizeof(romdata), 0); |
| 535 | if (romdata[28] == 'B' && romdata[30] == 'B') { |
| 536 | /* 'B' (0x42) in 8 bit mode, 'W' (0x57) in 16 bit mode */ |
| 537 | is8bit = true; |
| 538 | } |
| 539 | if (!is8bit) { |
| 540 | /* not in 8 bit mode; put back DCR setting for 16 bit DMA */ |
| 541 | bus_space_write_1(nict, nich, ED_P0_DCR, |
| 542 | ED_DCR_FT1 | ED_DCR_LS | ED_DCR_WTS); |
| 543 | } |
| 544 | |
| 545 | return is8bit; |
| 546 | } |
| 547 | #endif |
| 548 | |
| 549 | /* |
| 550 | * Write an mbuf chain to the destination NIC memory address using programmed |
| 551 | * I/O. |
| 552 | */ |
| 553 | int |
| 554 | ne2000_write_mbuf(struct dp8390_softc *sc, struct mbuf *m, int buf) |
| 555 | { |
| 556 | struct ne2000_softc *nsc = (struct ne2000_softc *)sc; |
| 557 | bus_space_tag_t nict = sc->sc_regt; |
| 558 | bus_space_handle_t nich = sc->sc_regh; |
| 559 | bus_space_tag_t asict = nsc->sc_asict; |
| 560 | bus_space_handle_t asich = nsc->sc_asich; |
| 561 | int savelen, padlen; |
| 562 | int maxwait = 100; /* about 120us */ |
| 563 | |
| 564 | savelen = m->m_pkthdr.len; |
| 565 | if (savelen < ETHER_MIN_LEN - ETHER_CRC_LEN) { |
| 566 | padlen = ETHER_MIN_LEN - ETHER_CRC_LEN - savelen; |
| 567 | savelen = ETHER_MIN_LEN - ETHER_CRC_LEN; |
| 568 | } else |
| 569 | padlen = 0; |
| 570 | |
| 571 | |
| 572 | /* Select page 0 registers. */ |
| 573 | NIC_BARRIER(nict, nich); |
| 574 | bus_space_write_1(nict, nich, ED_P0_CR, |
| 575 | ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); |
| 576 | NIC_BARRIER(nict, nich); |
| 577 | |
| 578 | /* Reset remote DMA complete flag. */ |
| 579 | bus_space_write_1(nict, nich, ED_P0_ISR, ED_ISR_RDC); |
| 580 | NIC_BARRIER(nict, nich); |
| 581 | |
| 582 | /* Set up DMA byte count. */ |
| 583 | bus_space_write_1(nict, nich, ED_P0_RBCR0, savelen); |
| 584 | bus_space_write_1(nict, nich, ED_P0_RBCR1, savelen >> 8); |
| 585 | |
| 586 | /* Set up destination address in NIC mem. */ |
| 587 | bus_space_write_1(nict, nich, ED_P0_RSAR0, buf); |
| 588 | bus_space_write_1(nict, nich, ED_P0_RSAR1, buf >> 8); |
| 589 | |
| 590 | /* Set remote DMA write. */ |
| 591 | NIC_BARRIER(nict, nich); |
| 592 | bus_space_write_1(nict, nich, |
| 593 | ED_P0_CR, ED_CR_RD1 | ED_CR_PAGE_0 | ED_CR_STA); |
| 594 | NIC_BARRIER(nict, nich); |
| 595 | |
| 596 | /* |
| 597 | * Transfer the mbuf chain to the NIC memory. NE2000 cards |
| 598 | * require that data be transferred as words, and only words, |
| 599 | * so that case requires some extra code to patch over odd-length |
| 600 | * mbufs. |
| 601 | */ |
| 602 | if (nsc->sc_useword == 0) { |
| 603 | /* byte ops are easy. */ |
| 604 | for (; m != NULL; m = m->m_next) { |
| 605 | if (m->m_len) { |
| 606 | bus_space_write_multi_1(asict, asich, |
| 607 | NE2000_ASIC_DATA, mtod(m, uint8_t *), |
| 608 | m->m_len); |
| 609 | } |
| 610 | } |
| 611 | if (padlen) { |
| 612 | for(; padlen > 0; padlen--) |
| 613 | bus_space_write_1(asict, asich, |
| 614 | NE2000_ASIC_DATA, 0); |
| 615 | } |
| 616 | } else { |
| 617 | /* word ops are a bit trickier. */ |
| 618 | uint8_t *data, savebyte[2]; |
| 619 | int l, leftover; |
| 620 | #ifdef DIAGNOSTIC |
| 621 | uint8_t *lim; |
| 622 | #endif |
| 623 | /* Start out with no leftover data. */ |
| 624 | leftover = 0; |
| 625 | savebyte[0] = savebyte[1] = 0; |
| 626 | |
| 627 | for (; m != NULL; m = m->m_next) { |
| 628 | l = m->m_len; |
| 629 | if (l == 0) |
| 630 | continue; |
| 631 | data = mtod(m, uint8_t *); |
| 632 | #ifdef DIAGNOSTIC |
| 633 | lim = data + l; |
| 634 | #endif |
| 635 | while (l > 0) { |
| 636 | if (leftover) { |
| 637 | /* |
| 638 | * Data left over (from mbuf or |
| 639 | * realignment). Buffer the next |
| 640 | * byte, and write it and the |
| 641 | * leftover data out. |
| 642 | */ |
| 643 | savebyte[1] = *data++; |
| 644 | l--; |
| 645 | bus_space_write_stream_2(asict, asich, |
| 646 | NE2000_ASIC_DATA, |
| 647 | *(uint16_t *)savebyte); |
| 648 | leftover = 0; |
| 649 | } else if (BUS_SPACE_ALIGNED_POINTER(data, |
| 650 | uint16_t) == 0) { |
| 651 | /* |
| 652 | * Unaligned data; buffer the next |
| 653 | * byte. |
| 654 | */ |
| 655 | savebyte[0] = *data++; |
| 656 | l--; |
| 657 | leftover = 1; |
| 658 | } else { |
| 659 | /* |
| 660 | * Aligned data; output contiguous |
| 661 | * words as much as we can, then |
| 662 | * buffer the remaining byte, if any. |
| 663 | */ |
| 664 | leftover = l & 1; |
| 665 | l &= ~1; |
| 666 | bus_space_write_multi_stream_2(asict, |
| 667 | asich, NE2000_ASIC_DATA, |
| 668 | (uint16_t *)data, l >> 1); |
| 669 | data += l; |
| 670 | if (leftover) |
| 671 | savebyte[0] = *data++; |
| 672 | l = 0; |
| 673 | } |
| 674 | } |
| 675 | if (l < 0) |
| 676 | panic("ne2000_write_mbuf: negative len" ); |
| 677 | #ifdef DIAGNOSTIC |
| 678 | if (data != lim) |
| 679 | panic("ne2000_write_mbuf: data != lim" ); |
| 680 | #endif |
| 681 | } |
| 682 | if (leftover) { |
| 683 | savebyte[1] = 0; |
| 684 | bus_space_write_stream_2(asict, asich, NE2000_ASIC_DATA, |
| 685 | *(uint16_t *)savebyte); |
| 686 | } |
| 687 | if (padlen) { |
| 688 | for(; padlen > 1; padlen -= 2) |
| 689 | bus_space_write_stream_2(asict, asich, |
| 690 | NE2000_ASIC_DATA, 0); |
| 691 | } |
| 692 | } |
| 693 | NIC_BARRIER(nict, nich); |
| 694 | |
| 695 | /* some AX88796 doesn't seem to have remote DMA complete */ |
| 696 | if (sc->sc_flags & DP8390_NO_REMOTE_DMA_COMPLETE) |
| 697 | return savelen; |
| 698 | |
| 699 | /* |
| 700 | * Wait for remote DMA to complete. This is necessary because on the |
| 701 | * transmit side, data is handled internally by the NIC in bursts, and |
| 702 | * we can't start another remote DMA until this one completes. Not |
| 703 | * waiting causes really bad things to happen - like the NIC wedging |
| 704 | * the bus. |
| 705 | */ |
| 706 | while (((bus_space_read_1(nict, nich, ED_P0_ISR) & ED_ISR_RDC) != |
| 707 | ED_ISR_RDC) && --maxwait) { |
| 708 | (void)bus_space_read_1(nict, nich, ED_P0_CRDA1); |
| 709 | (void)bus_space_read_1(nict, nich, ED_P0_CRDA0); |
| 710 | NIC_BARRIER(nict, nich); |
| 711 | DELAY(1); |
| 712 | } |
| 713 | |
| 714 | if (maxwait == 0) { |
| 715 | log(LOG_WARNING, |
| 716 | "%s: remote transmit DMA failed to complete\n" , |
| 717 | device_xname(sc->sc_dev)); |
| 718 | dp8390_reset(sc); |
| 719 | } |
| 720 | |
| 721 | return savelen; |
| 722 | } |
| 723 | |
| 724 | /* |
| 725 | * Given a source and destination address, copy 'amout' of a packet from |
| 726 | * the ring buffer into a linear destination buffer. Takes into account |
| 727 | * ring-wrap. |
| 728 | */ |
| 729 | int |
| 730 | ne2000_ring_copy(struct dp8390_softc *sc, int src, void *dstv, u_short amount) |
| 731 | { |
| 732 | char *dst = dstv; |
| 733 | struct ne2000_softc *nsc = (struct ne2000_softc *)sc; |
| 734 | bus_space_tag_t nict = sc->sc_regt; |
| 735 | bus_space_handle_t nich = sc->sc_regh; |
| 736 | bus_space_tag_t asict = nsc->sc_asict; |
| 737 | bus_space_handle_t asich = nsc->sc_asich; |
| 738 | u_short tmp_amount; |
| 739 | int useword = nsc->sc_useword; |
| 740 | |
| 741 | /* Does copy wrap to lower addr in ring buffer? */ |
| 742 | if (src + amount > sc->mem_end) { |
| 743 | tmp_amount = sc->mem_end - src; |
| 744 | |
| 745 | /* Copy amount up to end of NIC memory. */ |
| 746 | ne2000_readmem(nict, nich, asict, asich, src, |
| 747 | (uint8_t *)dst, tmp_amount, useword); |
| 748 | |
| 749 | amount -= tmp_amount; |
| 750 | src = sc->mem_ring; |
| 751 | dst += tmp_amount; |
| 752 | } |
| 753 | |
| 754 | ne2000_readmem(nict, nich, asict, asich, src, (uint8_t *)dst, |
| 755 | amount, useword); |
| 756 | |
| 757 | return src + amount; |
| 758 | } |
| 759 | |
| 760 | void |
| 761 | ne2000_read_hdr(struct dp8390_softc *sc, int buf, struct dp8390_ring *hdr) |
| 762 | { |
| 763 | struct ne2000_softc *nsc = (struct ne2000_softc *)sc; |
| 764 | |
| 765 | ne2000_readmem(sc->sc_regt, sc->sc_regh, nsc->sc_asict, nsc->sc_asich, |
| 766 | buf, (uint8_t *)hdr, sizeof(struct dp8390_ring), |
| 767 | nsc->sc_useword); |
| 768 | #if BYTE_ORDER == BIG_ENDIAN |
| 769 | hdr->count = bswap16(hdr->count); |
| 770 | #endif |
| 771 | } |
| 772 | |
| 773 | int |
| 774 | ne2000_test_mem(struct dp8390_softc *sc) |
| 775 | { |
| 776 | |
| 777 | /* Noop. */ |
| 778 | return 0; |
| 779 | } |
| 780 | |
| 781 | /* |
| 782 | * Given a NIC memory source address and a host memory destination address, |
| 783 | * copy 'amount' from NIC to host using programmed i/o. The 'amount' is |
| 784 | * rounded up to a word - ok as long as mbufs are word sized. |
| 785 | */ |
| 786 | void |
| 787 | ne2000_readmem(bus_space_tag_t nict, bus_space_handle_t nich, |
| 788 | bus_space_tag_t asict, bus_space_handle_t asich, |
| 789 | int src, uint8_t *dst, size_t amount, int useword) |
| 790 | { |
| 791 | |
| 792 | /* Select page 0 registers. */ |
| 793 | NIC_BARRIER(nict, nich); |
| 794 | bus_space_write_1(nict, nich, ED_P0_CR, |
| 795 | ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); |
| 796 | NIC_BARRIER(nict, nich); |
| 797 | |
| 798 | /* Round up to a word. */ |
| 799 | amount = roundup2(amount, sizeof(uint16_t)); |
| 800 | |
| 801 | /* Set up DMA byte count. */ |
| 802 | bus_space_write_1(nict, nich, ED_P0_RBCR0, amount); |
| 803 | bus_space_write_1(nict, nich, ED_P0_RBCR1, amount >> 8); |
| 804 | |
| 805 | /* Set up source address in NIC mem. */ |
| 806 | bus_space_write_1(nict, nich, ED_P0_RSAR0, src); |
| 807 | bus_space_write_1(nict, nich, ED_P0_RSAR1, src >> 8); |
| 808 | |
| 809 | NIC_BARRIER(nict, nich); |
| 810 | bus_space_write_1(nict, nich, ED_P0_CR, |
| 811 | ED_CR_RD0 | ED_CR_PAGE_0 | ED_CR_STA); |
| 812 | |
| 813 | ASIC_BARRIER(asict, asich); |
| 814 | if (useword) |
| 815 | bus_space_read_multi_stream_2(asict, asich, NE2000_ASIC_DATA, |
| 816 | (uint16_t *)dst, amount >> 1); |
| 817 | else |
| 818 | bus_space_read_multi_1(asict, asich, NE2000_ASIC_DATA, |
| 819 | dst, amount); |
| 820 | } |
| 821 | |
| 822 | /* |
| 823 | * Stripped down routine for writing a linear buffer to NIC memory. Only |
| 824 | * used in the probe routine to test the memory. 'len' must be even. |
| 825 | */ |
| 826 | void |
| 827 | ne2000_writemem(bus_space_tag_t nict, bus_space_handle_t nich, |
| 828 | bus_space_tag_t asict, bus_space_handle_t asich, |
| 829 | const uint8_t *src, int dst, size_t len, int useword, int quiet) |
| 830 | { |
| 831 | int maxwait = 100; /* about 120us */ |
| 832 | |
| 833 | /* Select page 0 registers. */ |
| 834 | NIC_BARRIER(nict, nich); |
| 835 | bus_space_write_1(nict, nich, ED_P0_CR, |
| 836 | ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); |
| 837 | NIC_BARRIER(nict, nich); |
| 838 | |
| 839 | /* Reset remote DMA complete flag. */ |
| 840 | bus_space_write_1(nict, nich, ED_P0_ISR, ED_ISR_RDC); |
| 841 | NIC_BARRIER(nict, nich); |
| 842 | |
| 843 | /* Set up DMA byte count. */ |
| 844 | bus_space_write_1(nict, nich, ED_P0_RBCR0, len); |
| 845 | bus_space_write_1(nict, nich, ED_P0_RBCR1, len >> 8); |
| 846 | |
| 847 | /* Set up destination address in NIC mem. */ |
| 848 | bus_space_write_1(nict, nich, ED_P0_RSAR0, dst); |
| 849 | bus_space_write_1(nict, nich, ED_P0_RSAR1, dst >> 8); |
| 850 | |
| 851 | /* Set remote DMA write. */ |
| 852 | NIC_BARRIER(nict, nich); |
| 853 | bus_space_write_1(nict, nich, ED_P0_CR, |
| 854 | ED_CR_RD1 | ED_CR_PAGE_0 | ED_CR_STA); |
| 855 | NIC_BARRIER(nict, nich); |
| 856 | |
| 857 | ASIC_BARRIER(asict, asich); |
| 858 | if (useword) |
| 859 | bus_space_write_multi_stream_2(asict, asich, NE2000_ASIC_DATA, |
| 860 | (const uint16_t *)src, len >> 1); |
| 861 | else |
| 862 | bus_space_write_multi_1(asict, asich, NE2000_ASIC_DATA, |
| 863 | src, len); |
| 864 | ASIC_BARRIER(asict, asich); |
| 865 | |
| 866 | /* |
| 867 | * Wait for remote DMA to complete. This is necessary because on the |
| 868 | * transmit side, data is handled internally by the NIC in bursts, and |
| 869 | * we can't start another remote DMA until this one completes. Not |
| 870 | * waiting causes really bad things to happen - like the NIC wedging |
| 871 | * the bus. |
| 872 | */ |
| 873 | while (((bus_space_read_1(nict, nich, ED_P0_ISR) & ED_ISR_RDC) != |
| 874 | ED_ISR_RDC) && --maxwait) |
| 875 | DELAY(1); |
| 876 | |
| 877 | if (!quiet && maxwait == 0) |
| 878 | printf("ne2000_writemem: failed to complete\n" ); |
| 879 | } |
| 880 | |
| 881 | int |
| 882 | ne2000_detach(struct ne2000_softc *sc, int flags) |
| 883 | { |
| 884 | |
| 885 | return dp8390_detach(&sc->sc_dp8390, flags); |
| 886 | } |
| 887 | |
| 888 | #ifdef IPKDB_NE |
| 889 | /* |
| 890 | * This code is essentially the same as ne2000_attach above. |
| 891 | */ |
| 892 | int |
| 893 | ne2000_ipkdb_attach(struct ipkdb_if *kip) |
| 894 | { |
| 895 | struct ne2000_softc *np = kip->port; |
| 896 | struct dp8390_softc *dp = &np->sc_dp8390; |
| 897 | bus_space_tag_t nict = dp->sc_regt; |
| 898 | bus_space_handle_t nich = dp->sc_regh; |
| 899 | bus_space_tag_t asict = np->sc_asict; |
| 900 | bus_space_handle_t asich = np->sc_asich; |
| 901 | int i, useword; |
| 902 | |
| 903 | #ifdef GWETHER |
| 904 | /* Not supported (yet?) */ |
| 905 | return -1; |
| 906 | #endif |
| 907 | |
| 908 | if (np->sc_type == NE2000_TYPE_UNKNOWN) |
| 909 | np->sc_type = ne2000_detect(nict, nich, asict, asich); |
| 910 | if (np->sc_type == NE2000_TYPE_UNKNOWN) |
| 911 | return -1; |
| 912 | |
| 913 | switch (np->sc_type) { |
| 914 | case NE2000_TYPE_NE1000: |
| 915 | dp->mem_start = 8192; |
| 916 | dp->mem_size = 8192; |
| 917 | useword = 0; |
| 918 | kip->name = "ne1000" ; |
| 919 | break; |
| 920 | case NE2000_TYPE_NE2000: |
| 921 | case NE2000_TYPE_AX88190: |
| 922 | case NE2000_TYPE_AX88790: |
| 923 | case NE2000_TYPE_AX88796: |
| 924 | #if NRTL80X9 > 0 |
| 925 | case NE2000_TYPE_RTL8019: |
| 926 | #endif |
| 927 | dp->mem_start = 16384; |
| 928 | dp->mem_size = 16384; |
| 929 | useword = 1; |
| 930 | if ( |
| 931 | #ifdef NE2000_DETECT_8BIT |
| 932 | ne2000_detect_8bit(nict, nich, asict, asich) || |
| 933 | #endif |
| 934 | (np->sc_quirk & NE2000_QUIRK_8BIT) != 0) { |
| 935 | /* in 8 bit mode, only 8KB memory can be used */ |
| 936 | dp->mem_size = 8192; |
| 937 | useword = 0; |
| 938 | } |
| 939 | kip->name = |
| 940 | (np->sc_type == NE2000_TYPE_AX88190 || |
| 941 | np->sc_type == NE2000_TYPE_AX88790) ? |
| 942 | "ax88190" : "ne2000" ; |
| 943 | break; |
| 944 | case NE2000_TYPE_DL10019: |
| 945 | case NE2000_TYPE_DL10022: |
| 946 | dp->mem_start = 8192 * 3; |
| 947 | dp->mem_size = 8192 * 3; |
| 948 | useword = 1; |
| 949 | kip->name = (np->sc_type == NE2000_TYPE_DL10019) ? |
| 950 | "dl10022" : "dl10019" ; |
| 951 | break; |
| 952 | default: |
| 953 | return -1; |
| 954 | break; |
| 955 | } |
| 956 | |
| 957 | np->sc_useword = useword; |
| 958 | #if NRTL80X9 > 0 |
| 959 | if (np->sc_type == NE2000_TYPE_RTL8019) { |
| 960 | dp->init_card = rtl80x9_init_card; |
| 961 | dp->sc_media_init = rtl80x9_media_init; |
| 962 | dp->sc_mediachange = rtl80x9_mediachange; |
| 963 | dp->sc_mediastatus = rtl80x9_mediastatus; |
| 964 | } |
| 965 | #endif |
| 966 | |
| 967 | dp->cr_proto = ED_CR_RD2; |
| 968 | if (np->sc_type == NE2000_TYPE_AX88190 || |
| 969 | np->sc_type == NE2000_TYPE_AX88790) { |
| 970 | dp->rcr_proto = ED_RCR_INTT; |
| 971 | dp->sc_flags |= DP8390_DO_AX88190_WORKAROUND; |
| 972 | } else |
| 973 | dp->rcr_proto = 0; |
| 974 | dp->dcr_reg = ED_DCR_FT1 | ED_DCR_LS | (useword ? ED_DCR_WTS : 0); |
| 975 | |
| 976 | dp->test_mem = ne2000_test_mem; |
| 977 | dp->ring_copy = ne2000_ring_copy; |
| 978 | dp->write_mbuf = ne2000_write_mbuf; |
| 979 | dp->read_hdr = ne2000_read_hdr; |
| 980 | |
| 981 | for (i = 0; i < 16; i++) |
| 982 | dp->sc_reg_map[i] = i; |
| 983 | |
| 984 | if (dp8390_ipkdb_attach(kip)) |
| 985 | return -1; |
| 986 | |
| 987 | if (!(kip->flags & IPKDB_MYHW)) { |
| 988 | char romdata[16]; |
| 989 | |
| 990 | /* Read the station address. */ |
| 991 | if (np->sc_type == NE2000_TYPE_AX88190 || |
| 992 | np->sc_type == NE2000_TYPE_AX88790 || |
| 993 | np->sc_type == NE2000_TYPE_AX88796) { |
| 994 | /* Select page 0 registers. */ |
| 995 | NIC_BARRIER(nict, nich); |
| 996 | bus_space_write_1(nict, nich, ED_P0_CR, |
| 997 | ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA); |
| 998 | NIC_BARRIER(nict, nich); |
| 999 | /* Select word transfer */ |
| 1000 | bus_space_write_1(nict, nich, ED_P0_DCR, |
| 1001 | useword ? ED_DCR_WTS : 0); |
| 1002 | ne2000_readmem(nict, nich, asict, asich, |
| 1003 | AX88190_NODEID_OFFSET, kip->myenetaddr, |
| 1004 | ETHER_ADDR_LEN, useword); |
| 1005 | } else { |
| 1006 | bool ne1000 = (np->sc_type == NE2000_TYPE_NE1000); |
| 1007 | |
| 1008 | ne2000_readmem(nict, nich, asict, asich, |
| 1009 | 0, romdata, sizeof romdata, useword); |
| 1010 | for (i = 0; i < ETHER_ADDR_LEN; i++) |
| 1011 | kip->myenetaddr[i] = |
| 1012 | romdata[i * (ne1000 ? 1 : 2)]; |
| 1013 | } |
| 1014 | kip->flags |= IPKDB_MYHW; |
| 1015 | |
| 1016 | } |
| 1017 | dp8390_stop(dp); |
| 1018 | |
| 1019 | return 0; |
| 1020 | } |
| 1021 | #endif |
| 1022 | |
| 1023 | bool |
| 1024 | ne2000_suspend(device_t self, const pmf_qual_t *qual) |
| 1025 | { |
| 1026 | struct ne2000_softc *sc = device_private(self); |
| 1027 | struct dp8390_softc *dsc = &sc->sc_dp8390; |
| 1028 | int s; |
| 1029 | |
| 1030 | s = splnet(); |
| 1031 | |
| 1032 | dp8390_stop(dsc); |
| 1033 | dp8390_disable(dsc); |
| 1034 | |
| 1035 | splx(s); |
| 1036 | return true; |
| 1037 | } |
| 1038 | |
| 1039 | bool |
| 1040 | ne2000_resume(device_t self, const pmf_qual_t *qual) |
| 1041 | { |
| 1042 | struct ne2000_softc *sc = device_private(self); |
| 1043 | struct dp8390_softc *dsc = &sc->sc_dp8390; |
| 1044 | struct ifnet *ifp = &dsc->sc_ec.ec_if; |
| 1045 | int s; |
| 1046 | |
| 1047 | s = splnet(); |
| 1048 | |
| 1049 | if (ifp->if_flags & IFF_UP) { |
| 1050 | if (dp8390_enable(dsc) == 0) |
| 1051 | dp8390_init(dsc); |
| 1052 | } |
| 1053 | |
| 1054 | splx(s); |
| 1055 | return true; |
| 1056 | } |
| 1057 | |