dev/ns_gige_reg.h

   1 /*
   2  * Copyright (c) 2003 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /* Portions of code taken from: */
  30
  31 /* ns83820.c by Benjamin LaHaise with contributions.
  32  *
  33  * Questions/comments/discussion to linux-ns83820@kvack.org.
  34  *
  35  * $Revision: 1.34.2.23 $
  36  *
  37  * Copyright 2001 Benjamin LaHaise.
  38  * Copyright 2001, 2002 Red Hat.
  39  *
  40  * Mmmm, chocolate vanilla mocha...
  41  *
  42  *
  43  * This program is free software; you can redistribute it and/or modify
  44  * it under the terms of the GNU General Public License as published by
  45  * the Free Software Foundation; either version 2 of the License, or
  46  * (at your option) any later version.
  47  *
  48  * This program is distributed in the hope that it will be useful,
  49  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  50  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  51  * GNU General Public License for more details.
  52  *
  53  * You should have received a copy of the GNU General Public License
  54  * along with this program; if not, write to the Free Software
  55  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  56  */
  57
  58
  59
  60
  61
  62 /* @file
  63  * Ethernet device register definitions for the National
  64  * Semiconductor DP83820 Ethernet controller
  65  */
  66
  67 #ifndef _NS_GIGE_H
  68 #define _NS_GIGE_H_
  69
  70 /*
  71  * Configuration Register Map
  72  */
  73 #define NS_ID                   0x00    /* identification register */
  74 #define NS_CS                   0x04    /* command and status register */
  75 #define NS_RID                  0x08    /* revision ID register */
  76 #define NS_LAT                  0x0C    /* latency timer register */
  77 #define NS_IOA                  0x10    /* IO base address register */
  78 #define NS_MA                   0x14    /* memory address register */
  79 #define NS_MA1                  0x18    /* memory address high dword register */
  80 #define NS_SID                  0x2C    /* subsystem identification register */
  81 #define NS_ROM                  0x30    /* boot ROM configuration register */
  82 #define NS_CAPPTR               0x34    /* number of tx descriptors */
  83 #define NS_INT                  0x3C    /* interrupt select register */
  84 #define NS_PMCAP                0x40    /* power mgmt capabilities register */
  85 #define NS_PMCS                 0x44    /* power mgmt control and status
  86                                            register */
  87 /* Operational Register Map */
  88 #define CR              0x00
  89 #define CFG             0x04
  90 #define MEAR            0x08
  91 #define PTSCR           0x0c
  92 #define ISR             0x10
  93 #define IMR             0x14
  94 #define IER             0x18
  95 #define IHR             0x1c
  96 #define TXDP            0x20
  97 #define TXDP_HI         0x24
  98 #define TXCFG           0x28
  99 #define GPIOR           0x2c
 100 #define RXDP            0x30
 101 #define RXDP_HI         0x34
 102 #define RXCFG           0x38
 103 #define PQCR            0x3c
 104 #define WCSR            0x40
 105 #define PCR             0x44
 106 #define RFCR            0x48
 107 #define RFDR            0x4c
 108 #define BRAR            0x50
 109 #define BRDR            0x54
 110 #define SRR             0x58
 111 #define MIBC            0x5c
 112 #define VRCR            0xbc
 113 #define VTCR            0xc0
 114 #define VDR             0xc4
 115 #define CCSR            0xcc
 116 #define TBICR           0xe0
 117 #define TBISR           0xe4
 118 #define TANAR           0xe8
 119 #define TANLPAR         0xec
 120 #define TANER           0xf0
 121 #define TESR            0xf4
 122 #define LAST            0xf4
 123 #define RESERVED        0xfc
 124
 125 /* chip command register */
 126 #define CR_TXE          0x00000001
 127 #define CR_TXD          0x00000002
 128 #define CR_RXE          0x00000004
 129 #define CR_RXD          0x00000008
 130 #define CR_TXR          0x00000010
 131 #define CR_RXR          0x00000020
 132 #define CR_SWI          0x00000080
 133 #define CR_RST          0x00000100
 134
 135 /* configuration register */
 136 #define CFG_LNKSTS      0x80000000
 137 #define CFG_SPDSTS      0x60000000
 138 #define CFG_SPDSTS1     0x40000000
 139 #define CFG_SPDSTS0     0x20000000
 140 #define CFG_DUPSTS      0x10000000
 141 #define CFG_TBI_EN      0x01000000
 142 #define CFG_RESERVED    0x0e000000
 143 #define CFG_MODE_1000   0x00400000
 144 #define CFG_AUTO_1000   0x00200000
 145 #define CFG_PINT_CTL    0x001c0000
 146 #define CFG_PINT_DUPSTS 0x00100000
 147 #define CFG_PINT_LNKSTS 0x00080000
 148 #define CFG_PINT_SPDSTS 0x00040000
 149 #define CFG_TMRTEST     0x00020000
 150 #define CFG_MRM_DIS     0x00010000
 151 #define CFG_MWI_DIS     0x00008000
 152 #define CFG_T64ADDR     0x00004000
 153 #define CFG_PCI64_DET   0x00002000
 154 #define CFG_DATA64_EN   0x00001000
 155 #define CFG_M64ADDR     0x00000800
 156 #define CFG_PHY_RST     0x00000400
 157 #define CFG_PHY_DIS     0x00000200
 158 #define CFG_EXTSTS_EN   0x00000100
 159 #define CFG_REQALG      0x00000080
 160 #define CFG_SB          0x00000040
 161 #define CFG_POW         0x00000020
 162 #define CFG_EXD         0x00000010
 163 #define CFG_PESEL       0x00000008
 164 #define CFG_BROM_DIS    0x00000004
 165 #define CFG_EXT_125     0x00000002
 166 #define CFG_BEM         0x00000001
 167
 168 /* EEPROM access register */
 169 #define MEAR_EEDI               0x00000001
 170 #define MEAR_EEDO               0x00000002
 171 #define MEAR_EECLK              0x00000004
 172 #define MEAR_EESEL              0x00000008
 173 #define MEAR_MDIO               0x00000010
 174 #define MEAR_MDDIR              0x00000020
 175 #define MEAR_MDC                0x00000040
 176
 177 /* PCI test control register */
 178 #define PTSCR_EEBIST_FAIL       0x00000001
 179 #define PTSCR_EEBIST_EN         0x00000002
 180 #define PTSCR_EELOAD_EN         0x00000004
 181 #define PTSCR_RBIST_FAIL        0x000001b8
 182 #define PTSCR_RBIST_DONE        0x00000200
 183 #define PTSCR_RBIST_EN          0x00000400
 184 #define PTSCR_RBIST_RST         0x00002000
 185
 186 /* interrupt status register */
 187 #define ISR_RESERVE     0x80000000
 188 #define ISR_TXDESC3     0x40000000
 189 #define ISR_TXDESC2     0x20000000
 190 #define ISR_TXDESC1     0x10000000
 191 #define ISR_TXDESC0     0x08000000
 192 #define ISR_RXDESC3     0x04000000
 193 #define ISR_RXDESC2     0x02000000
 194 #define ISR_RXDESC1     0x01000000
 195 #define ISR_RXDESC0     0x00800000
 196 #define ISR_TXRCMP      0x00400000
 197 #define ISR_RXRCMP      0x00200000
 198 #define ISR_DPERR       0x00100000
 199 #define ISR_SSERR       0x00080000
 200 #define ISR_RMABT       0x00040000
 201 #define ISR_RTABT       0x00020000
 202 #define ISR_RXSOVR      0x00010000
 203 #define ISR_HIBINT      0x00008000
 204 #define ISR_PHY         0x00004000
 205 #define ISR_PME         0x00002000
 206 #define ISR_SWI         0x00001000
 207 #define ISR_MIB         0x00000800
 208 #define ISR_TXURN       0x00000400
 209 #define ISR_TXIDLE      0x00000200
 210 #define ISR_TXERR       0x00000100
 211 #define ISR_TXDESC      0x00000080
 212 #define ISR_TXOK        0x00000040
 213 #define ISR_RXORN       0x00000020
 214 #define ISR_RXIDLE      0x00000010
 215 #define ISR_RXEARLY     0x00000008
 216 #define ISR_RXERR       0x00000004
 217 #define ISR_RXDESC      0x00000002
 218 #define ISR_RXOK        0x00000001
 219
 220 /* transmit configuration register */
 221 #define TXCFG_CSI       0x80000000
 222 #define TXCFG_HBI       0x40000000
 223 #define TXCFG_MLB       0x20000000
 224 #define TXCFG_ATP       0x10000000
 225 #define TXCFG_ECRETRY   0x00800000
 226 #define TXCFG_BRST_DIS  0x00080000
 227 #define TXCFG_MXDMA1024 0x00000000
 228 #define TXCFG_MXDMA512  0x00700000
 229 #define TXCFG_MXDMA256  0x00600000
 230 #define TXCFG_MXDMA128  0x00500000
 231 #define TXCFG_MXDMA64   0x00400000
 232 #define TXCFG_MXDMA32   0x00300000
 233 #define TXCFG_MXDMA16   0x00200000
 234 #define TXCFG_MXDMA8    0x00100000
 235
 236 #define TXCFG_FLTH_MASK 0x0000ff00
 237 #define TXCFG_DRTH_MASK 0x000000ff
 238
 239 /*general purpose I/O control register */
 240 #define GPIOR_GP5_OE            0x00000200
 241 #define GPIOR_GP4_OE            0x00000100
 242 #define GPIOR_GP3_OE            0x00000080
 243 #define GPIOR_GP2_OE            0x00000040
 244 #define GPIOR_GP1_OE            0x00000020
 245 #define GPIOR_GP3_OUT           0x00000004
 246 #define GPIOR_GP1_OUT           0x00000001
 247
 248 /* receive configuration register */
 249 #define RXCFG_AEP       0x80000000
 250 #define RXCFG_ARP       0x40000000
 251 #define RXCFG_STRIPCRC  0x20000000
 252 #define RXCFG_RX_FD     0x10000000
 253 #define RXCFG_ALP       0x08000000
 254 #define RXCFG_AIRL      0x04000000
 255 #define RXCFG_MXDMA512  0x00700000
 256 #define RXCFG_DRTH      0x0000003e
 257 #define RXCFG_DRTH0     0x00000002
 258
 259 /* pause control status register */
 260 #define PCR_PSEN        (1 << 31)
 261 #define PCR_PS_MCAST    (1 << 30)
 262 #define PCR_PS_DA       (1 << 29)
 263 #define PCR_STHI_8      (3 << 23)
 264 #define PCR_STLO_4      (1 << 23)
 265 #define PCR_FFHI_8K     (3 << 21)
 266 #define PCR_FFLO_4K     (1 << 21)
 267 #define PCR_PAUSE_CNT   0xFFFE
 268
 269 /*receive filter/match control register */
 270 #define RFCR_RFEN       0x80000000
 271 #define RFCR_AAB        0x40000000
 272 #define RFCR_AAM        0x20000000
 273 #define RFCR_AAU        0x10000000
 274 #define RFCR_APM        0x08000000
 275 #define RFCR_APAT       0x07800000
 276 #define RFCR_APAT3      0x04000000
 277 #define RFCR_APAT2      0x02000000
 278 #define RFCR_APAT1      0x01000000
 279 #define RFCR_APAT0      0x00800000
 280 #define RFCR_AARP       0x00400000
 281 #define RFCR_MHEN       0x00200000
 282 #define RFCR_UHEN       0x00100000
 283 #define RFCR_ULM        0x00080000
 284 #define RFCR_RFADDR     0x000003ff
 285
 286 /* receive filter/match data register */
 287 #define RFDR_BMASK      0x00030000
 288 #define RFDR_RFDATA0    0x000000ff
 289 #define RFDR_RFDATA1    0x0000ff00
 290
 291 /* management information base control register */
 292 #define MIBC_MIBS       0x00000008
 293 #define MIBC_ACLR       0x00000004
 294 #define MIBC_FRZ        0x00000002
 295 #define MIBC_WRN        0x00000001
 296
 297 /* VLAN/IP receive control register */
 298 #define VRCR_RUDPE      0x00000080
 299 #define VRCR_RTCPE      0x00000040
 300 #define VRCR_RIPE       0x00000020
 301 #define VRCR_IPEN       0x00000010
 302 #define VRCR_DUTF       0x00000008
 303 #define VRCR_DVTF       0x00000004
 304 #define VRCR_VTREN      0x00000002
 305 #define VRCR_VTDEN      0x00000001
 306
 307 /* VLAN/IP transmit control register */
 308 #define VTCR_PPCHK      0x00000008
 309 #define VTCR_GCHK       0x00000004
 310 #define VTCR_VPPTI      0x00000002
 311 #define VTCR_VGTI       0x00000001
 312
 313 /* Clockrun Control/Status Register */
 314 #define CCSR_CLKRUN_EN  0x00000001
 315
 316 /* TBI control register */
 317 #define TBICR_MR_LOOPBACK       0x00004000
 318 #define TBICR_MR_AN_ENABLE      0x00001000
 319 #define TBICR_MR_RESTART_AN     0x00000200
 320
 321 /* TBI status register */
 322 #define TBISR_MR_LINK_STATUS    0x00000020
 323 #define TBISR_MR_AN_COMPLETE    0x00000004
 324
 325 /* TBI auto-negotiation advertisement register */
 326 #define TANAR_PS2               0x00000100
 327 #define TANAR_PS1               0x00000080
 328 #define TANAR_HALF_DUP          0x00000040
 329 #define TANAR_FULL_DUP          0x00000020
 330
 331 /*
 332  * descriptor format currently assuming link and bufptr
 333  * are set for 32 bits,( may be wrong ) ASSUME32
 334  */
 335 struct ns_desc {
 336   uint32_t link;    /* link field to next descriptor in linked list */
 337   uint32_t bufptr;  /* pointer to the first fragment or buffer */
 338   uint32_t cmdsts;  /* command/status field */
 339   uint32_t extsts;  /* extended status field for VLAN and IP info */
 340 };
 341
 342 /* ASSUME32 in bytes, how big the desc fields are */
 343 #define LINK_LEN 4
 344 #define BUFPTR_LEN 4
 345 #define CMDSTS_LEN 4
 346 #define EXTSTS_LEN 4
 347
 348 /* cmdsts flags for descriptors */
 349 #define CMDSTS_OWN      0x80000000
 350 #define CMDSTS_MORE     0x40000000
 351 #define CMDSTS_INTR     0x20000000
 352 #define CMDSTS_ERR      0x10000000
 353 #define CMDSTS_OK       0x08000000
 354 #define CMDSTS_LEN_MASK 0x0000ffff
 355
 356 #define CMDSTS_DEST_MASK        0x01800000
 357 #define CMDSTS_DEST_SELF        0x00800000
 358 #define CMDSTS_DEST_MULTI       0x01000000
 359
 360 /* extended flags for descriptors */
 361 #define EXTSTS_UDPERR   0x00400000
 362 #define EXTSTS_UDPPKT   0x00200000
 363 #define EXTSTS_TCPERR   0x00100000
 364 #define EXTSTS_TCPPKT   0x00080000
 365 #define EXTSTS_IPERR    0x00040000
 366 #define EXTSTS_IPPKT    0x00020000
 367
 368
 369 /* speed status */
 370 #define SPDSTS_POLARITY (CFG_SPDSTS1 | CFG_SPDSTS0 | CFG_DUPSTS | (lnksts ? CFG_LNKSTS : 0))
 371
 372 #endif /* _NS_GIGE_H_ */