projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 45219c46 WD |
1 | /*------------------------------------------------------------------------ |
| 2 | * lan91c96.h | |
| 3 | * | |
| 4 | * (C) Copyright 2002 | |
| 5 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> | |
| 6 | * Rolf Offermanns <[email protected]> | |
| 7 | * Copyright (C) 2001 Standard Microsystems Corporation (SMSC) | |
| 8 | * Developed by Simple Network Magic Corporation (SNMC) | |
| 9 | * Copyright (C) 1996 by Erik Stahlman (ES) | |
| 10 | * | |
| 11 | * This program is free software; you can redistribute it and/or modify | |
| 12 | * it under the terms of the GNU General Public License as published by | |
| 13 | * the Free Software Foundation; either version 2 of the License, or | |
| 14 | * (at your option) any later version. | |
| 15 | * | |
| 16 | * This program is distributed in the hope that it will be useful, | |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 | * GNU General Public License for more details. | |
| 20 | * | |
| 21 | * You should have received a copy of the GNU General Public License | |
| 22 | * along with this program; if not, write to the Free Software | |
| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 24 | * | |
| 25 | * This file contains register information and access macros for | |
| 26 | * the LAN91C96 single chip ethernet controller. It is a modified | |
| 27 | * version of the smc9111.h file. | |
| 28 | * | |
| 29 | * Information contained in this file was obtained from the LAN91C96 | |
| 30 | * manual from SMC. To get a copy, if you really want one, you can find | |
| 31 | * information under www.smsc.com. | |
| 32 | * | |
| 33 | * Authors | |
| 34 | * Erik Stahlman ( [email protected] ) | |
| 35 | * Daris A Nevil ( [email protected] ) | |
| 36 | * | |
| 37 | * History | |
| 38 | * 04/30/03 Mathijs Haarman Modified smc91111.h (u-boot version) | |
| 39 | * for lan91c96 | |
| 40 | *------------------------------------------------------------------------- | |
| 41 | */ | |
| 42 | #ifndef _LAN91C96_H_ | |
| 43 | #define _LAN91C96_H_ | |
| 44 | ||
| 45 | #include <asm/types.h> | |
| 46 | #include <asm/io.h> | |
| 47 | #include <config.h> | |
| 48 | ||
| 49 | /* | |
| 50 | * This function may be called by the board specific initialisation code | |
| 51 | * in order to override the default mac address. | |
| 52 | */ | |
| 53 | ||
| 54 | void smc_set_mac_addr(const char *addr); | |
| 55 | int eth_hw_init(void); | |
| 56 | ||
| 57 | ||
| 58 | /* I want some simple types */ | |
| 59 | ||
| 60 | typedef unsigned char byte; | |
| 61 | typedef unsigned short word; | |
| 62 | typedef unsigned long int dword; | |
| 63 | ||
| 64 | /* | |
| 65 | * DEBUGGING LEVELS | |
| 66 | * | |
| 67 | * 0 for normal operation | |
| 68 | * 1 for slightly more details | |
| 69 | * >2 for various levels of increasingly useless information | |
| 70 | * 2 for interrupt tracking, status flags | |
| 71 | * 3 for packet info | |
| 72 | * 4 for complete packet dumps | |
| 73 | */ | |
| 74 | /*#define SMC_DEBUG 0 */ | |
| 75 | ||
| 76 | /* Because of bank switching, the LAN91xxx uses only 16 I/O ports */ | |
| 77 | ||
| 78 | #define SMC_IO_EXTENT 16 | |
| 79 | ||
| 80 | #ifdef CONFIG_PXA250 | |
| 81 | ||
| 82 | #define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+( r * 4 )))) | |
| 83 | #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+( r * 4 )))) | |
| 84 | #define SMC_inb(p) ({ \ | |
| 85 | unsigned int __p = (unsigned int)(SMC_BASE_ADDRESS + (p * 4)); \ | |
| 86 | unsigned int __v = *(volatile unsigned short *)((__p) & ~1); \ | |
| 87 | if (__p & 1) __v >>= 8; \ | |
| 88 | else __v &= 0xff; \ | |
| 89 | __v; }) | |
| 90 | ||
| 91 | #define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r * 4))) = d) | |
| 92 | #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r * 4))) = d) | |
| 93 | #define SMC_outb(d,r) ({ word __d = (byte)(d); \ | |
| 94 | word __w = SMC_inw((r)&~1); \ | |
| 95 | __w &= ((r)&1) ? 0x00FF : 0xFF00; \ | |
| 96 | __w |= ((r)&1) ? __d<<8 : __d; \ | |
| 97 | SMC_outw(__w,(r)&~1); \ | |
| 98 | }) | |
| 99 | ||
| 100 | #define SMC_outsl(r,b,l) ({ int __i; \ | |
| 101 | dword *__b2; \ | |
| 102 | __b2 = (dword *) b; \ | |
| 103 | for (__i = 0; __i < l; __i++) { \ | |
| 104 | SMC_outl( *(__b2 + __i), r ); \ | |
| 105 | } \ | |
| 106 | }) | |
| 107 | ||
| 108 | #define SMC_outsw(r,b,l) ({ int __i; \ | |
| 109 | word *__b2; \ | |
| 110 | __b2 = (word *) b; \ | |
| 111 | for (__i = 0; __i < l; __i++) { \ | |
| 112 | SMC_outw( *(__b2 + __i), r ); \ | |
| 113 | } \ | |
| 114 | }) | |
| 115 | ||
| 116 | #define SMC_insl(r,b,l) ({ int __i ; \ | |
| 117 | dword *__b2; \ | |
| 8bde7f77 WD |
118 | __b2 = (dword *) b; \ |
| 119 | for (__i = 0; __i < l; __i++) { \ | |
| 45219c46 WD |
120 | *(__b2 + __i) = SMC_inl(r); \ |
| 121 | SMC_inl(0); \ | |
| 122 | }; \ | |
| 123 | }) | |
| 124 | ||
| 125 | #define SMC_insw(r,b,l) ({ int __i ; \ | |
| 126 | word *__b2; \ | |
| 8bde7f77 WD |
127 | __b2 = (word *) b; \ |
| 128 | for (__i = 0; __i < l; __i++) { \ | |
| 45219c46 WD |
129 | *(__b2 + __i) = SMC_inw(r); \ |
| 130 | SMC_inw(0); \ | |
| 131 | }; \ | |
| 132 | }) | |
| 133 | ||
| 134 | #define SMC_insb(r,b,l) ({ int __i ; \ | |
| 135 | byte *__b2; \ | |
| 8bde7f77 WD |
136 | __b2 = (byte *) b; \ |
| 137 | for (__i = 0; __i < l; __i++) { \ | |
| 45219c46 WD |
138 | *(__b2 + __i) = SMC_inb(r); \ |
| 139 | SMC_inb(0); \ | |
| 140 | }; \ | |
| 141 | }) | |
| 142 | ||
| 143 | #else /* if not CONFIG_PXA250 */ | |
| 144 | ||
| 145 | /* | |
| 146 | * We have only 16 Bit PCMCIA access on Socket 0 | |
| 147 | */ | |
| 148 | ||
| 149 | #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r)))) | |
| 150 | #define SMC_inb(r) (((r)&1) ? SMC_inw((r)&~1)>>8 : SMC_inw(r)&0xFF) | |
| 151 | ||
| 152 | #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d) | |
| 153 | #define SMC_outb(d,r) ({ word __d = (byte)(d); \ | |
| 154 | word __w = SMC_inw((r)&~1); \ | |
| 155 | __w &= ((r)&1) ? 0x00FF : 0xFF00; \ | |
| 156 | __w |= ((r)&1) ? __d<<8 : __d; \ | |
| 157 | SMC_outw(__w,(r)&~1); \ | |
| 158 | }) | |
| 159 | #if 0 | |
| 160 | #define SMC_outsw(r,b,l) outsw(SMC_BASE_ADDRESS+(r), (b), (l)) | |
| 161 | #else | |
| 162 | #define SMC_outsw(r,b,l) ({ int __i; \ | |
| 163 | word *__b2; \ | |
| 164 | __b2 = (word *) b; \ | |
| 165 | for (__i = 0; __i < l; __i++) { \ | |
| 166 | SMC_outw( *(__b2 + __i), r); \ | |
| 167 | } \ | |
| 168 | }) | |
| 169 | #endif | |
| 170 | ||
| 171 | #if 0 | |
| 172 | #define SMC_insw(r,b,l) insw(SMC_BASE_ADDRESS+(r), (b), (l)) | |
| 173 | #else | |
| 174 | #define SMC_insw(r,b,l) ({ int __i ; \ | |
| 175 | word *__b2; \ | |
| 8bde7f77 WD |
176 | __b2 = (word *) b; \ |
| 177 | for (__i = 0; __i < l; __i++) { \ | |
| 45219c46 WD |
178 | *(__b2 + __i) = SMC_inw(r); \ |
| 179 | SMC_inw(0); \ | |
| 180 | }; \ | |
| 181 | }) | |
| 182 | #endif | |
| 183 | ||
| 184 | #endif | |
| 185 | ||
| 186 | /* | |
| 187 | **************************************************************************** | |
| 188 | * Bank Select Field | |
| 189 | **************************************************************************** | |
| 190 | */ | |
| 8bde7f77 | 191 | #define LAN91C96_BANK_SELECT 14 /* Bank Select Register */ |
| 45219c46 WD |
192 | #define LAN91C96_BANKSELECT (0x3UC << 0) |
| 193 | #define BANK0 0x00 | |
| 194 | #define BANK1 0x01 | |
| 195 | #define BANK2 0x02 | |
| 196 | #define BANK3 0x03 | |
| 197 | #define BANK4 0x04 | |
| 198 | ||
| 199 | /* | |
| 200 | **************************************************************************** | |
| 201 | * EEPROM Addresses. | |
| 202 | **************************************************************************** | |
| 203 | */ | |
| 204 | #define EEPROM_MAC_OFFSET_1 0x6020 | |
| 205 | #define EEPROM_MAC_OFFSET_2 0x6021 | |
| 206 | #define EEPROM_MAC_OFFSET_3 0x6022 | |
| 207 | ||
| 208 | /* | |
| 209 | **************************************************************************** | |
| 210 | * Bank 0 Register Map in I/O Space | |
| 211 | **************************************************************************** | |
| 212 | */ | |
| 8bde7f77 WD |
213 | #define LAN91C96_TCR 0 /* Transmit Control Register */ |
| 214 | #define LAN91C96_EPH_STATUS 2 /* EPH Status Register */ | |
| 215 | #define LAN91C96_RCR 4 /* Receive Control Register */ | |
| 216 | #define LAN91C96_COUNTER 6 /* Counter Register */ | |
| 217 | #define LAN91C96_MIR 8 /* Memory Information Register */ | |
| 218 | #define LAN91C96_MCR 10 /* Memory Configuration Register */ | |
| 45219c46 WD |
219 | |
| 220 | /* | |
| 221 | **************************************************************************** | |
| 222 | * Transmit Control Register - Bank 0 - Offset 0 | |
| 223 | **************************************************************************** | |
| 224 | */ | |
| 225 | #define LAN91C96_TCR_TXENA (0x1U << 0) | |
| 226 | #define LAN91C96_TCR_LOOP (0x1U << 1) | |
| 227 | #define LAN91C96_TCR_FORCOL (0x1U << 2) | |
| 228 | #define LAN91C96_TCR_TXP_EN (0x1U << 3) | |
| 229 | #define LAN91C96_TCR_PAD_EN (0x1U << 7) | |
| 230 | #define LAN91C96_TCR_NOCRC (0x1U << 8) | |
| 231 | #define LAN91C96_TCR_MON_CSN (0x1U << 10) | |
| 232 | #define LAN91C96_TCR_FDUPLX (0x1U << 11) | |
| 233 | #define LAN91C96_TCR_STP_SQET (0x1U << 12) | |
| 234 | #define LAN91C96_TCR_EPH_LOOP (0x1U << 13) | |
| 235 | #define LAN91C96_TCR_ETEN_TYPE (0x1U << 14) | |
| 236 | #define LAN91C96_TCR_FDSE (0x1U << 15) | |
| 237 | ||
| 238 | /* | |
| 239 | **************************************************************************** | |
| 240 | * EPH Status Register - Bank 0 - Offset 2 | |
| 241 | **************************************************************************** | |
| 242 | */ | |
| 243 | #define LAN91C96_EPHSR_TX_SUC (0x1U << 0) | |
| 244 | #define LAN91C96_EPHSR_SNGL_COL (0x1U << 1) | |
| 245 | #define LAN91C96_EPHSR_MUL_COL (0x1U << 2) | |
| 246 | #define LAN91C96_EPHSR_LTX_MULT (0x1U << 3) | |
| 247 | #define LAN91C96_EPHSR_16COL (0x1U << 4) | |
| 248 | #define LAN91C96_EPHSR_SQET (0x1U << 5) | |
| 249 | #define LAN91C96_EPHSR_LTX_BRD (0x1U << 6) | |
| 250 | #define LAN91C96_EPHSR_TX_DEFR (0x1U << 7) | |
| 251 | #define LAN91C96_EPHSR_WAKEUP (0x1U << 8) | |
| 252 | #define LAN91C96_EPHSR_LATCOL (0x1U << 9) | |
| 253 | #define LAN91C96_EPHSR_LOST_CARR (0x1U << 10) | |
| 254 | #define LAN91C96_EPHSR_EXC_DEF (0x1U << 11) | |
| 255 | #define LAN91C96_EPHSR_CTR_ROL (0x1U << 12) | |
| 256 | ||
| 257 | #define LAN91C96_EPHSR_LINK_OK (0x1U << 14) | |
| 258 | #define LAN91C96_EPHSR_TX_UNRN (0x1U << 15) | |
| 259 | ||
| 260 | #define LAN91C96_EPHSR_ERRORS (LAN91C96_EPHSR_SNGL_COL | \ | |
| 8bde7f77 WD |
261 | LAN91C96_EPHSR_MUL_COL | \ |
| 262 | LAN91C96_EPHSR_16COL | \ | |
| 263 | LAN91C96_EPHSR_SQET | \ | |
| 264 | LAN91C96_EPHSR_TX_DEFR | \ | |
| 265 | LAN91C96_EPHSR_LATCOL | \ | |
| 266 | LAN91C96_EPHSR_LOST_CARR | \ | |
| 267 | LAN91C96_EPHSR_EXC_DEF | \ | |
| 268 | LAN91C96_EPHSR_LINK_OK | \ | |
| 269 | LAN91C96_EPHSR_TX_UNRN) | |
| 45219c46 WD |
270 | |
| 271 | /* | |
| 272 | **************************************************************************** | |
| 273 | * Receive Control Register - Bank 0 - Offset 4 | |
| 274 | **************************************************************************** | |
| 275 | */ | |
| 276 | #define LAN91C96_RCR_RX_ABORT (0x1U << 0) | |
| 277 | #define LAN91C96_RCR_PRMS (0x1U << 1) | |
| 278 | #define LAN91C96_RCR_ALMUL (0x1U << 2) | |
| 279 | #define LAN91C96_RCR_RXEN (0x1U << 8) | |
| 280 | #define LAN91C96_RCR_STRIP_CRC (0x1U << 9) | |
| 281 | #define LAN91C96_RCR_FILT_CAR (0x1U << 14) | |
| 282 | #define LAN91C96_RCR_SOFT_RST (0x1U << 15) | |
| 283 | ||
| 284 | /* | |
| 285 | **************************************************************************** | |
| 286 | * Counter Register - Bank 0 - Offset 6 | |
| 287 | **************************************************************************** | |
| 288 | */ | |
| 289 | #define LAN91C96_ECR_SNGL_COL (0xFU << 0) | |
| 290 | #define LAN91C96_ECR_MULT_COL (0xFU << 5) | |
| 291 | #define LAN91C96_ECR_DEF_TX (0xFU << 8) | |
| 292 | #define LAN91C96_ECR_EXC_DEF_TX (0xFU << 12) | |
| 293 | ||
| 294 | /* | |
| 295 | **************************************************************************** | |
| 296 | * Memory Information Register - Bank 0 - OFfset 8 | |
| 297 | **************************************************************************** | |
| 298 | */ | |
| 8bde7f77 | 299 | #define LAN91C96_MIR_SIZE (0x18 << 0) /* 6144 bytes */ |
| 45219c46 WD |
300 | |
| 301 | /* | |
| 302 | **************************************************************************** | |
| 303 | * Memory Configuration Register - Bank 0 - Offset 10 | |
| 304 | **************************************************************************** | |
| 305 | */ | |
| 306 | #define LAN91C96_MCR_MEM_RES (0xFFU << 0) | |
| 307 | #define LAN91C96_MCR_MEM_MULT (0x3U << 9) | |
| 308 | #define LAN91C96_MCR_HIGH_ID (0x3U << 12) | |
| 309 | ||
| 310 | #define LAN91C96_MCR_TRANSMIT_PAGES 0x6 | |
| 311 | ||
| 312 | /* | |
| 313 | **************************************************************************** | |
| 314 | * Bank 1 Register Map in I/O Space | |
| 315 | **************************************************************************** | |
| 316 | */ | |
| 8bde7f77 WD |
317 | #define LAN91C96_CONFIG 0 /* Configuration Register */ |
| 318 | #define LAN91C96_BASE 2 /* Base Address Register */ | |
| 319 | #define LAN91C96_IA0 4 /* Individual Address Register - 0 */ | |
| 320 | #define LAN91C96_IA1 5 /* Individual Address Register - 1 */ | |
| 321 | #define LAN91C96_IA2 6 /* Individual Address Register - 2 */ | |
| 322 | #define LAN91C96_IA3 7 /* Individual Address Register - 3 */ | |
| 323 | #define LAN91C96_IA4 8 /* Individual Address Register - 4 */ | |
| 324 | #define LAN91C96_IA5 9 /* Individual Address Register - 5 */ | |
| 325 | #define LAN91C96_GEN_PURPOSE 10 /* General Address Registers */ | |
| 326 | #define LAN91C96_CONTROL 12 /* Control Register */ | |
| 45219c46 WD |
327 | |
| 328 | /* | |
| 329 | **************************************************************************** | |
| 330 | * Configuration Register - Bank 1 - Offset 0 | |
| 331 | **************************************************************************** | |
| 332 | */ | |
| 333 | #define LAN91C96_CR_INT_SEL0 (0x1U << 1) | |
| 334 | #define LAN91C96_CR_INT_SEL1 (0x1U << 2) | |
| 335 | #define LAN91C96_CR_RES (0x3U << 3) | |
| 336 | #define LAN91C96_CR_DIS_LINK (0x1U << 6) | |
| 337 | #define LAN91C96_CR_16BIT (0x1U << 7) | |
| 338 | #define LAN91C96_CR_AUI_SELECT (0x1U << 8) | |
| 339 | #define LAN91C96_CR_SET_SQLCH (0x1U << 9) | |
| 340 | #define LAN91C96_CR_FULL_STEP (0x1U << 10) | |
| 341 | #define LAN91C96_CR_NO_WAIT (0x1U << 12) | |
| 342 | ||
| 343 | /* | |
| 344 | **************************************************************************** | |
| 345 | * Base Address Register - Bank 1 - Offset 2 | |
| 346 | **************************************************************************** | |
| 347 | */ | |
| 348 | #define LAN91C96_BAR_RA_BITS (0x27U << 0) | |
| 349 | #define LAN91C96_BAR_ROM_SIZE (0x1U << 6) | |
| 350 | #define LAN91C96_BAR_A_BITS (0xFFU << 8) | |
| 351 | ||
| 352 | /* | |
| 353 | **************************************************************************** | |
| 354 | * Control Register - Bank 1 - Offset 12 | |
| 355 | **************************************************************************** | |
| 356 | */ | |
| 357 | #define LAN91C96_CTR_STORE (0x1U << 0) | |
| 358 | #define LAN91C96_CTR_RELOAD (0x1U << 1) | |
| 359 | #define LAN91C96_CTR_EEPROM (0x1U << 2) | |
| 360 | #define LAN91C96_CTR_TE_ENABLE (0x1U << 5) | |
| 361 | #define LAN91C96_CTR_CR_ENABLE (0x1U << 6) | |
| 362 | #define LAN91C96_CTR_LE_ENABLE (0x1U << 7) | |
| 363 | #define LAN91C96_CTR_BIT_8 (0x1U << 8) | |
| 364 | #define LAN91C96_CTR_AUTO_RELEASE (0x1U << 11) | |
| 365 | #define LAN91C96_CTR_WAKEUP_EN (0x1U << 12) | |
| 366 | #define LAN91C96_CTR_PWRDN (0x1U << 13) | |
| 367 | #define LAN91C96_CTR_RCV_BAD (0x1U << 14) | |
| 368 | ||
| 369 | /* | |
| 370 | **************************************************************************** | |
| 371 | * Bank 2 Register Map in I/O Space | |
| 372 | **************************************************************************** | |
| 373 | */ | |
| 8bde7f77 WD |
374 | #define LAN91C96_MMU 0 /* MMU Command Register */ |
| 375 | #define LAN91C96_AUTO_TX_START 1 /* Auto Tx Start Register */ | |
| 376 | #define LAN91C96_PNR 2 /* Packet Number Register */ | |
| 377 | #define LAN91C96_ARR 3 /* Allocation Result Register */ | |
| 378 | #define LAN91C96_FIFO 4 /* FIFO Ports Register */ | |
| 379 | #define LAN91C96_POINTER 6 /* Pointer Register */ | |
| 380 | #define LAN91C96_DATA_HIGH 8 /* Data High Register */ | |
| 381 | #define LAN91C96_DATA_LOW 10 /* Data Low Register */ | |
| 382 | #define LAN91C96_INT_STATS 12 /* Interrupt Status Register - RO */ | |
| 383 | #define LAN91C96_INT_ACK 12 /* Interrupt Acknowledge Register -WO */ | |
| 384 | #define LAN91C96_INT_MASK 13 /* Interrupt Mask Register */ | |
| 45219c46 WD |
385 | |
| 386 | /* | |
| 387 | **************************************************************************** | |
| 388 | * MMU Command Register - Bank 2 - Offset 0 | |
| 389 | **************************************************************************** | |
| 390 | */ | |
| 391 | #define LAN91C96_MMUCR_NO_BUSY (0x1U << 0) | |
| 392 | #define LAN91C96_MMUCR_N1 (0x1U << 1) | |
| 393 | #define LAN91C96_MMUCR_N2 (0x1U << 2) | |
| 394 | #define LAN91C96_MMUCR_COMMAND (0xFU << 4) | |
| 8bde7f77 WD |
395 | #define LAN91C96_MMUCR_ALLOC_TX (0x2U << 4) /* WXYZ = 0010 */ |
| 396 | #define LAN91C96_MMUCR_RESET_MMU (0x4U << 4) /* WXYZ = 0100 */ | |
| 397 | #define LAN91C96_MMUCR_REMOVE_RX (0x6U << 4) /* WXYZ = 0110 */ | |
| 398 | #define LAN91C96_MMUCR_REMOVE_TX (0x7U << 4) /* WXYZ = 0111 */ | |
| 399 | #define LAN91C96_MMUCR_RELEASE_RX (0x8U << 4) /* WXYZ = 1000 */ | |
| 400 | #define LAN91C96_MMUCR_RELEASE_TX (0xAU << 4) /* WXYZ = 1010 */ | |
| 401 | #define LAN91C96_MMUCR_ENQUEUE (0xCU << 4) /* WXYZ = 1100 */ | |
| 402 | #define LAN91C96_MMUCR_RESET_TX (0xEU << 4) /* WXYZ = 1110 */ | |
| 45219c46 WD |
403 | |
| 404 | /* | |
| 405 | **************************************************************************** | |
| 406 | * Auto Tx Start Register - Bank 2 - Offset 1 | |
| 407 | **************************************************************************** | |
| 408 | */ | |
| 409 | #define LAN91C96_AUTOTX (0xFFU << 0) | |
| 410 | ||
| 411 | /* | |
| 412 | **************************************************************************** | |
| 413 | * Packet Number Register - Bank 2 - Offset 2 | |
| 414 | **************************************************************************** | |
| 415 | */ | |
| 416 | #define LAN91C96_PNR_TX (0x1FU << 0) | |
| 417 | ||
| 418 | /* | |
| 419 | **************************************************************************** | |
| 420 | * Allocation Result Register - Bank 2 - Offset 3 | |
| 421 | **************************************************************************** | |
| 422 | */ | |
| 423 | #define LAN91C96_ARR_ALLOC_PN (0x7FU << 0) | |
| 424 | #define LAN91C96_ARR_FAILED (0x1U << 7) | |
| 425 | ||
| 426 | /* | |
| 427 | **************************************************************************** | |
| 428 | * FIFO Ports Register - Bank 2 - Offset 4 | |
| 429 | **************************************************************************** | |
| 430 | */ | |
| 431 | #define LAN91C96_FIFO_TX_DONE_PN (0x1FU << 0) | |
| 432 | #define LAN91C96_FIFO_TEMPTY (0x1U << 7) | |
| 433 | #define LAN91C96_FIFO_RX_DONE_PN (0x1FU << 8) | |
| 434 | #define LAN91C96_FIFO_RXEMPTY (0x1U << 15) | |
| 435 | ||
| 436 | /* | |
| 437 | **************************************************************************** | |
| 438 | * Pointer Register - Bank 2 - Offset 6 | |
| 439 | **************************************************************************** | |
| 440 | */ | |
| 441 | #define LAN91C96_PTR_LOW (0xFFU << 0) | |
| 442 | #define LAN91C96_PTR_HIGH (0x7U << 8) | |
| 443 | #define LAN91C96_PTR_AUTO_TX (0x1U << 11) | |
| 444 | #define LAN91C96_PTR_ETEN (0x1U << 12) | |
| 445 | #define LAN91C96_PTR_READ (0x1U << 13) | |
| 446 | #define LAN91C96_PTR_AUTO_INCR (0x1U << 14) | |
| 447 | #define LAN91C96_PTR_RCV (0x1U << 15) | |
| 448 | ||
| 449 | #define LAN91C96_PTR_RX_FRAME (LAN91C96_PTR_RCV | \ | |
| 8bde7f77 WD |
450 | LAN91C96_PTR_AUTO_INCR | \ |
| 451 | LAN91C96_PTR_READ) | |
| 45219c46 WD |
452 | |
| 453 | /* | |
| 454 | **************************************************************************** | |
| 455 | * Data Register - Bank 2 - Offset 8 | |
| 456 | **************************************************************************** | |
| 457 | */ | |
| 8bde7f77 WD |
458 | #define LAN91C96_CONTROL_CRC (0x1U << 4) /* CRC bit */ |
| 459 | #define LAN91C96_CONTROL_ODD (0x1U << 5) /* ODD bit */ | |
| 45219c46 WD |
460 | |
| 461 | /* | |
| 462 | **************************************************************************** | |
| 463 | * Interrupt Status Register - Bank 2 - Offset 12 | |
| 464 | **************************************************************************** | |
| 465 | */ | |
| 466 | #define LAN91C96_IST_RCV_INT (0x1U << 0) | |
| 467 | #define LAN91C96_IST_TX_INT (0x1U << 1) | |
| 468 | #define LAN91C96_IST_TX_EMPTY_INT (0x1U << 2) | |
| 469 | #define LAN91C96_IST_ALLOC_INT (0x1U << 3) | |
| 470 | #define LAN91C96_IST_RX_OVRN_INT (0x1U << 4) | |
| 471 | #define LAN91C96_IST_EPH_INT (0x1U << 5) | |
| 472 | #define LAN91C96_IST_ERCV_INT (0x1U << 6) | |
| 473 | #define LAN91C96_IST_RX_IDLE_INT (0x1U << 7) | |
| 474 | ||
| 475 | /* | |
| 476 | **************************************************************************** | |
| 477 | * Interrupt Acknowledge Register - Bank 2 - Offset 12 | |
| 478 | **************************************************************************** | |
| 479 | */ | |
| 480 | #define LAN91C96_ACK_TX_INT (0x1U << 1) | |
| 481 | #define LAN91C96_ACK_TX_EMPTY_INT (0x1U << 2) | |
| 482 | #define LAN91C96_ACK_RX_OVRN_INT (0x1U << 4) | |
| 483 | #define LAN91C96_ACK_ERCV_INT (0x1U << 6) | |
| 484 | ||
| 485 | /* | |
| 486 | **************************************************************************** | |
| 487 | * Interrupt Mask Register - Bank 2 - Offset 13 | |
| 488 | **************************************************************************** | |
| 489 | */ | |
| 490 | #define LAN91C96_MSK_RCV_INT (0x1U << 0) | |
| 491 | #define LAN91C96_MSK_TX_INT (0x1U << 1) | |
| 492 | #define LAN91C96_MSK_TX_EMPTY_INT (0x1U << 2) | |
| 493 | #define LAN91C96_MSK_ALLOC_INT (0x1U << 3) | |
| 494 | #define LAN91C96_MSK_RX_OVRN_INT (0x1U << 4) | |
| 495 | #define LAN91C96_MSK_EPH_INT (0x1U << 5) | |
| 496 | #define LAN91C96_MSK_ERCV_INT (0x1U << 6) | |
| 497 | #define LAN91C96_MSK_TX_IDLE_INT (0x1U << 7) | |
| 498 | ||
| 499 | /* | |
| 500 | **************************************************************************** | |
| 501 | * Bank 3 Register Map in I/O Space | |
| 502 | ************************************************************************** | |
| 503 | */ | |
| 504 | #define LAN91C96_MGMT_MDO (0x1U << 0) | |
| 505 | #define LAN91C96_MGMT_MDI (0x1U << 1) | |
| 506 | #define LAN91C96_MGMT_MCLK (0x1U << 2) | |
| 507 | #define LAN91C96_MGMT_MDOE (0x1U << 3) | |
| 508 | #define LAN91C96_MGMT_LOW_ID (0x3U << 4) | |
| 509 | #define LAN91C96_MGMT_IOS0 (0x1U << 8) | |
| 510 | #define LAN91C96_MGMT_IOS1 (0x1U << 9) | |
| 511 | #define LAN91C96_MGMT_IOS2 (0x1U << 10) | |
| 512 | #define LAN91C96_MGMT_nXNDEC (0x1U << 11) | |
| 513 | #define LAN91C96_MGMT_HIGH_ID (0x3U << 12) | |
| 514 | ||
| 515 | /* | |
| 516 | **************************************************************************** | |
| 517 | * Revision Register - Bank 3 - Offset 10 | |
| 518 | **************************************************************************** | |
| 519 | */ | |
| 520 | #define LAN91C96_REV_REVID (0xFU << 0) | |
| 521 | #define LAN91C96_REV_CHIPID (0xFU << 4) | |
| 522 | ||
| 523 | /* | |
| 524 | **************************************************************************** | |
| 525 | * Early RCV Register - Bank 3 - Offset 12 | |
| 526 | **************************************************************************** | |
| 527 | */ | |
| 528 | #define LAN91C96_ERCV_THRESHOLD (0x1FU << 0) | |
| 529 | #define LAN91C96_ERCV_RCV_DISCRD (0x1U << 7) | |
| 530 | ||
| 531 | /* | |
| 532 | **************************************************************************** | |
| 533 | * PCMCIA Configuration Registers | |
| 534 | **************************************************************************** | |
| 535 | */ | |
| 8bde7f77 WD |
536 | #define LAN91C96_ECOR 0x8000 /* Ethernet Configuration Register */ |
| 537 | #define LAN91C96_ECSR 0x8002 /* Ethernet Configuration and Status */ | |
| 45219c46 WD |
538 | |
| 539 | /* | |
| 540 | **************************************************************************** | |
| 541 | * PCMCIA Ethernet Configuration Option Register (ECOR) | |
| 542 | **************************************************************************** | |
| 543 | */ | |
| 544 | #define LAN91C96_ECOR_ENABLE (0x1U << 0) | |
| 545 | #define LAN91C96_ECOR_WR_ATTRIB (0x1U << 2) | |
| 546 | #define LAN91C96_ECOR_LEVEL_REQ (0x1U << 6) | |
| 547 | #define LAN91C96_ECOR_SRESET (0x1U << 7) | |
| 548 | ||
| 549 | /* | |
| 550 | **************************************************************************** | |
| 551 | * PCMCIA Ethernet Configuration and Status Register (ECSR) | |
| 552 | **************************************************************************** | |
| 553 | */ | |
| 554 | #define LAN91C96_ECSR_INTR (0x1U << 1) | |
| 555 | #define LAN91C96_ECSR_PWRDWN (0x1U << 2) | |
| 556 | #define LAN91C96_ECSR_IOIS8 (0x1U << 5) | |
| 557 | ||
| 558 | /* | |
| 559 | **************************************************************************** | |
| 560 | * Receive Frame Status Word - See page 38 of the LAN91C96 specification. | |
| 561 | **************************************************************************** | |
| 562 | */ | |
| 563 | #define LAN91C96_TOO_SHORT (0x1U << 10) | |
| 564 | #define LAN91C96_TOO_LONG (0x1U << 11) | |
| 565 | #define LAN91C96_ODD_FRM (0x1U << 12) | |
| 566 | #define LAN91C96_BAD_CRC (0x1U << 13) | |
| 567 | #define LAN91C96_BROD_CAST (0x1U << 14) | |
| 568 | #define LAN91C96_ALGN_ERR (0x1U << 15) | |
| 569 | ||
| 570 | #define FRAME_FILTER (LAN91C96_TOO_SHORT | LAN91C96_TOO_LONG | LAN91C96_BAD_CRC | LAN91C96_ALGN_ERR) | |
| 571 | ||
| 572 | /* | |
| 573 | **************************************************************************** | |
| 574 | * Default MAC Address | |
| 575 | **************************************************************************** | |
| 576 | */ | |
| 577 | #define MAC_DEF_HI 0x0800 | |
| 578 | #define MAC_DEF_MED 0x3333 | |
| 579 | #define MAC_DEF_LO 0x0100 | |
| 580 | ||
| 581 | /* | |
| 582 | **************************************************************************** | |
| 583 | * Default I/O Signature - 0x33 | |
| 584 | **************************************************************************** | |
| 585 | */ | |
| 586 | #define LAN91C96_LOW_SIGNATURE (0x33U << 0) | |
| 587 | #define LAN91C96_HIGH_SIGNATURE (0x33U << 8) | |
| 588 | #define LAN91C96_SIGNATURE (LAN91C96_HIGH_SIGNATURE | LAN91C96_LOW_SIGNATURE) | |
| 589 | ||
| 8bde7f77 | 590 | #define LAN91C96_MAX_PAGES 6 /* Maximum number of 256 pages. */ |
| 45219c46 WD |
591 | #define ETHERNET_MAX_LENGTH 1514 |
| 592 | ||
| 593 | ||
| 45219c46 WD |
594 | /*------------------------------------------------------------------------- |
| 595 | * I define some macros to make it easier to do somewhat common | |
| 596 | * or slightly complicated, repeated tasks. | |
| 597 | *------------------------------------------------------------------------- | |
| 598 | */ | |
| 599 | ||
| 600 | /* select a register bank, 0 to 3 */ | |
| 601 | ||
| 602 | #define SMC_SELECT_BANK(x) { SMC_outw( x, LAN91C96_BANK_SELECT ); } | |
| 603 | ||
| 604 | /* this enables an interrupt in the interrupt mask register */ | |
| 605 | #define SMC_ENABLE_INT(x) {\ | |
| 606 | unsigned char mask;\ | |
| 607 | SMC_SELECT_BANK(2);\ | |
| 608 | mask = SMC_inb( LAN91C96_INT_MASK );\ | |
| 609 | mask |= (x);\ | |
| 610 | SMC_outb( mask, LAN91C96_INT_MASK ); \ | |
| 611 | } | |
| 612 | ||
| 613 | /* this disables an interrupt from the interrupt mask register */ | |
| 614 | ||
| 615 | #define SMC_DISABLE_INT(x) {\ | |
| 616 | unsigned char mask;\ | |
| 617 | SMC_SELECT_BANK(2);\ | |
| 618 | mask = SMC_inb( LAN91C96_INT_MASK );\ | |
| 619 | mask &= ~(x);\ | |
| 620 | SMC_outb( mask, LAN91C96_INT_MASK ); \ | |
| 621 | } | |
| 622 | ||
| 623 | /*---------------------------------------------------------------------- | |
| 624 | * Define the interrupts that I want to receive from the card | |
| 625 | * | |
| 626 | * I want: | |
| 627 | * LAN91C96_IST_EPH_INT, for nasty errors | |
| 628 | * LAN91C96_IST_RCV_INT, for happy received packets | |
| 629 | * LAN91C96_IST_RX_OVRN_INT, because I have to kick the receiver | |
| 630 | *------------------------------------------------------------------------- | |
| 631 | */ | |
| 632 | #define SMC_INTERRUPT_MASK (LAN91C96_IST_EPH_INT | LAN91C96_IST_RX_OVRN_INT | LAN91C96_IST_RCV_INT) | |
| 633 | ||
| 634 | #endif /* _LAN91C96_H_ */ |