Annotation of sys/arch/mac68k/include/bus.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: bus.h,v 1.12 2006/04/16 19:07:35 miod Exp $ */
! 2: /* $NetBSD: bus.h,v 1.9 1998/01/13 18:32:15 scottr Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
! 10: * NASA Ames Research Center.
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above copyright
! 18: * notice, this list of conditions and the following disclaimer in the
! 19: * documentation and/or other materials provided with the distribution.
! 20: * 3. All advertising materials mentioning features or use of this software
! 21: * must display the following acknowledgement:
! 22: * This product includes software developed by the NetBSD
! 23: * Foundation, Inc. and its contributors.
! 24: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 25: * contributors may be used to endorse or promote products derived
! 26: * from this software without specific prior written permission.
! 27: *
! 28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 38: * POSSIBILITY OF SUCH DAMAGE.
! 39: */
! 40:
! 41: /*
! 42: * Copyright (C) 1997 Scott Reynolds. All rights reserved.
! 43: *
! 44: * Redistribution and use in source and binary forms, with or without
! 45: * modification, are permitted provided that the following conditions
! 46: * are met:
! 47: * 1. Redistributions of source code must retain the above copyright
! 48: * notice, this list of conditions and the following disclaimer.
! 49: * 2. Redistributions in binary form must reproduce the above copyright
! 50: * notice, this list of conditions and the following disclaimer in the
! 51: * documentation and/or other materials provided with the distribution.
! 52: * 3. The name of the author may not be used to endorse or promote products
! 53: * derived from this software without specific prior written permission
! 54: *
! 55: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 56: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 57: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 58: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 59: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 60: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 61: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 62: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 63: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 64: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 65: */
! 66:
! 67: #ifndef _MAC68K_BUS_H_
! 68: #define _MAC68K_BUS_H_
! 69:
! 70: /*
! 71: * Value for the mac68k bus space tag, not to be used directly by MI code.
! 72: */
! 73: #define MAC68K_BUS_SPACE_MEM 0 /* space is mem space */
! 74:
! 75: /*
! 76: * Bus address and size types
! 77: */
! 78: typedef u_long bus_addr_t;
! 79: typedef u_long bus_size_t;
! 80:
! 81: /*
! 82: * Access methods for bus resources and address space.
! 83: */
! 84: #define BSH_T struct bus_space_handle_s
! 85: typedef int bus_space_tag_t;
! 86: typedef struct bus_space_handle_s {
! 87: u_long base;
! 88: int swapped;
! 89:
! 90: u_int8_t (*bsr1)(bus_space_tag_t, BSH_T *, bus_size_t);
! 91: u_int16_t (*bsr2)(bus_space_tag_t, BSH_T *, bus_size_t);
! 92: u_int32_t (*bsr4)(bus_space_tag_t, BSH_T *, bus_size_t);
! 93: void (*bsrm1)(bus_space_tag_t, BSH_T *, bus_size_t,
! 94: u_int8_t *, size_t);
! 95: void (*bsrm2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 96: u_int16_t *, size_t);
! 97: void (*bsrm4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 98: u_int32_t *, size_t);
! 99: void (*bsrms2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 100: u_int16_t *, size_t);
! 101: void (*bsrms4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 102: u_int32_t *, size_t);
! 103: void (*bsrr1)(bus_space_tag_t, BSH_T *, bus_size_t,
! 104: u_int8_t *, size_t);
! 105: void (*bsrr2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 106: u_int16_t *, size_t);
! 107: void (*bsrr4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 108: u_int32_t *, size_t);
! 109: void (*bsrrs1)(bus_space_tag_t, BSH_T *, bus_size_t,
! 110: u_int8_t *, size_t);
! 111: void (*bsrrs2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 112: u_int16_t *, size_t);
! 113: void (*bsrrs4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 114: u_int32_t *, size_t);
! 115: void (*bsw1)(bus_space_tag_t, BSH_T *, bus_size_t, u_int8_t);
! 116: void (*bsw2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 117: u_int16_t);
! 118: void (*bsw4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 119: u_int32_t);
! 120: void (*bswm1)(bus_space_tag_t, BSH_T *, bus_size_t,
! 121: const u_int8_t *, size_t);
! 122: void (*bswm2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 123: const u_int16_t *, size_t);
! 124: void (*bswm4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 125: const u_int32_t *, size_t);
! 126: void (*bswms1)(bus_space_tag_t, BSH_T *, bus_size_t,
! 127: const u_int8_t *, size_t);
! 128: void (*bswms2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 129: const u_int16_t *, size_t);
! 130: void (*bswms4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 131: const u_int32_t *, size_t);
! 132: void (*bswr1)(bus_space_tag_t, BSH_T *, bus_size_t,
! 133: const u_int8_t *, size_t);
! 134: void (*bswr2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 135: const u_int16_t *, size_t);
! 136: void (*bswr4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 137: const u_int32_t *, size_t);
! 138: void (*bswrs1)(bus_space_tag_t, BSH_T *, bus_size_t,
! 139: const u_int8_t *, size_t);
! 140: void (*bswrs2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 141: const u_int16_t *, size_t);
! 142: void (*bswrs4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 143: const u_int32_t *, size_t);
! 144: void (*bssm1)(bus_space_tag_t, BSH_T *, bus_size_t,
! 145: u_int8_t v, size_t);
! 146: void (*bssm2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 147: u_int16_t v, size_t);
! 148: void (*bssm4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 149: u_int32_t v, size_t);
! 150: void (*bssr1)(bus_space_tag_t, BSH_T *, bus_size_t,
! 151: u_int8_t v, size_t);
! 152: void (*bssr2)(bus_space_tag_t, BSH_T *, bus_size_t,
! 153: u_int16_t v, size_t);
! 154: void (*bssr4)(bus_space_tag_t, BSH_T *, bus_size_t,
! 155: u_int32_t v, size_t);
! 156: } bus_space_handle_t;
! 157: #undef BSH_T
! 158:
! 159: void mac68k_bus_space_handle_swapped(bus_space_tag_t,
! 160: bus_space_handle_t *h);
! 161:
! 162: /*
! 163: * int bus_space_map(bus_space_tag_t t, bus_addr_t addr,
! 164: * bus_size_t size, int flags, bus_space_handle_t *bshp);
! 165: *
! 166: * Map a region of bus space.
! 167: */
! 168:
! 169: #define BUS_SPACE_MAP_CACHEABLE 0x01
! 170: #define BUS_SPACE_MAP_LINEAR 0x02
! 171:
! 172: int bus_space_map(bus_space_tag_t, bus_addr_t, bus_size_t,
! 173: int, bus_space_handle_t *);
! 174:
! 175: /*
! 176: * void bus_space_unmap(bus_space_tag_t t,
! 177: * bus_space_handle_t bsh, bus_size_t size);
! 178: *
! 179: * Unmap a region of bus space.
! 180: */
! 181:
! 182: void bus_space_unmap(bus_space_tag_t, bus_space_handle_t, bus_size_t);
! 183:
! 184: /*
! 185: * int bus_space_subregion(bus_space_tag_t t,
! 186: * bus_space_handle_t bsh, bus_size_t offset, bus_size_t size,
! 187: * bus_space_handle_t *nbshp);
! 188: *
! 189: * Get a new handle for a subregion of an already-mapped area of bus space.
! 190: */
! 191:
! 192: int bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,
! 193: bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp);
! 194:
! 195: /*
! 196: * int bus_space_alloc(bus_space_tag_t t, bus_addr_t, rstart,
! 197: * bus_addr_t rend, bus_size_t size, bus_size_t align,
! 198: * bus_size_t boundary, int flags, bus_addr_t *addrp,
! 199: * bus_space_handle_t *bshp);
! 200: *
! 201: * Allocate a region of bus space.
! 202: */
! 203:
! 204: int bus_space_alloc(bus_space_tag_t t, bus_addr_t rstart,
! 205: bus_addr_t rend, bus_size_t size, bus_size_t align,
! 206: bus_size_t boundary, int cacheable, bus_addr_t *addrp,
! 207: bus_space_handle_t *bshp);
! 208:
! 209: /*
! 210: * int bus_space_free(bus_space_tag_t t,
! 211: * bus_space_handle_t bsh, bus_size_t size);
! 212: *
! 213: * Free a region of bus space.
! 214: */
! 215:
! 216: void bus_space_free(bus_space_tag_t t, bus_space_handle_t bsh,
! 217: bus_size_t size);
! 218:
! 219: /*
! 220: * int mac68k_bus_space_probe(bus_space_tag_t t,
! 221: * bus_space_handle_t bsh, bus_size_t offset, int sz);
! 222: *
! 223: * Probe the bus at t/bsh/offset, using sz as the size of the load.
! 224: *
! 225: * This is a machine-dependent extension, and is not to be used by
! 226: * machine-independent code.
! 227: */
! 228:
! 229: int mac68k_bus_space_probe(bus_space_tag_t t,
! 230: bus_space_handle_t bsh, bus_size_t offset, int sz);
! 231:
! 232: /*
! 233: * u_intN_t bus_space_read_N(bus_space_tag_t tag,
! 234: * bus_space_handle_t bsh, bus_size_t offset);
! 235: *
! 236: * Read a 1, 2, 4, or 8 byte quantity from bus space
! 237: * described by tag/handle/offset.
! 238: */
! 239:
! 240: u_int8_t mac68k_bsr1(bus_space_tag_t tag, bus_space_handle_t *bsh,
! 241: bus_size_t offset);
! 242: u_int16_t mac68k_bsr2(bus_space_tag_t tag, bus_space_handle_t *bsh,
! 243: bus_size_t offset);
! 244: u_int16_t mac68k_bsr2_swap(bus_space_tag_t tag, bus_space_handle_t *bsh,
! 245: bus_size_t offset);
! 246: u_int32_t mac68k_bsr4(bus_space_tag_t tag, bus_space_handle_t *bsh,
! 247: bus_size_t offset);
! 248: u_int32_t mac68k_bsr4_swap(bus_space_tag_t tag, bus_space_handle_t *bsh,
! 249: bus_size_t offset);
! 250:
! 251: #define bus_space_read_1(t,h,o) (h).bsr1((t), &(h), (o))
! 252: #define bus_space_read_2(t,h,o) (h).bsr2((t), &(h), (o))
! 253: #define bus_space_read_4(t,h,o) (h).bsr4((t), &(h), (o))
! 254:
! 255: /*
! 256: * void bus_space_read_multi_N(bus_space_tag_t tag,
! 257: * bus_space_handle_t bsh, bus_size_t offset,
! 258: * u_intN_t *addr, size_t count);
! 259: *
! 260: * Read `count' 1, 2, 4, or 8 byte quantities from bus space
! 261: * described by tag/handle/offset and copy into buffer provided.
! 262: */
! 263:
! 264: void mac68k_bsrm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 265: u_int8_t *, size_t);
! 266: void mac68k_bsrm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 267: u_int16_t *, size_t);
! 268: void mac68k_bsrm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 269: u_int16_t *, size_t);
! 270: void mac68k_bsrm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 271: u_int32_t *, size_t);
! 272: void mac68k_bsrms4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 273: u_int32_t *, size_t);
! 274: void mac68k_bsrm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 275: u_int32_t *, size_t);
! 276:
! 277: #define bus_space_read_multi_1(t, h, o, a, c) (h).bsrm1(t, &(h), o, a, c)
! 278: #define bus_space_read_multi_2(t, h, o, a, c) (h).bsrm2(t, &(h), o, a, c)
! 279: #define bus_space_read_multi_4(t, h, o, a, c) (h).bsrm4(t, &(h), o, a, c)
! 280:
! 281: /*
! 282: * void bus_space_read_region_N(bus_space_tag_t tag,
! 283: * bus_space_handle_t bsh, bus_size_t offset,
! 284: * u_intN_t *addr, size_t count);
! 285: *
! 286: * Read `count' 1, 2, 4, or 8 byte quantities from bus space
! 287: * described by tag/handle and starting at `offset' and copy into
! 288: * buffer provided.
! 289: */
! 290:
! 291: void mac68k_bsrr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 292: u_int8_t *, size_t);
! 293: void mac68k_bsrr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 294: u_int16_t *, size_t);
! 295: void mac68k_bsrr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 296: u_int16_t *, size_t);
! 297: void mac68k_bsrr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 298: u_int32_t *, size_t);
! 299: void mac68k_bsrr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 300: u_int32_t *, size_t);
! 301:
! 302: #define bus_space_read_region_1(t, h, o, a, c) (h).bsrr1(t,&(h),o,a,c)
! 303: #define bus_space_read_region_2(t, h, o, a, c) (h).bsrr2(t,&(h),o,a,c)
! 304: #define bus_space_read_region_4(t, h, o, a, c) (h).bsrr4(t,&(h),o,a,c)
! 305:
! 306: /*
! 307: * void bus_space_write_N(bus_space_tag_t tag,
! 308: * bus_space_handle_t bsh, bus_size_t offset,
! 309: * u_intN_t value);
! 310: *
! 311: * Write the 1, 2, 4, or 8 byte value `value' to bus space
! 312: * described by tag/handle/offset.
! 313: */
! 314:
! 315: void mac68k_bsw1(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int8_t);
! 316: void mac68k_bsw2(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int16_t);
! 317: void mac68k_bsw2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 318: u_int16_t);
! 319: void mac68k_bsw4(bus_space_tag_t, bus_space_handle_t *, bus_size_t, u_int32_t);
! 320: void mac68k_bsw4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 321: u_int32_t);
! 322:
! 323: #define bus_space_write_1(t, h, o, v) (h).bsw1(t, &(h), o, v)
! 324: #define bus_space_write_2(t, h, o, v) (h).bsw2(t, &(h), o, v)
! 325: #define bus_space_write_4(t, h, o, v) (h).bsw4(t, &(h), o, v)
! 326:
! 327: /*
! 328: * void bus_space_write_multi_N(bus_space_tag_t tag,
! 329: * bus_space_handle_t bsh, bus_size_t offset,
! 330: * const u_intN_t *addr, size_t count);
! 331: *
! 332: * Write `count' 1, 2, 4, or 8 byte quantities from the buffer
! 333: * provided to bus space described by tag/handle/offset.
! 334: */
! 335:
! 336: void mac68k_bswm1(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 337: const u_int8_t *, size_t);
! 338: void mac68k_bswm2(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 339: const u_int16_t *, size_t);
! 340: void mac68k_bswm2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 341: const u_int16_t *, size_t);
! 342: void mac68k_bswm4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 343: const u_int32_t *, size_t);
! 344: void mac68k_bswm4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 345: const u_int32_t *, size_t);
! 346:
! 347: #define bus_space_write_multi_1(t, h, o, a, c) (h).bswm1(t, &(h), o, a, c)
! 348: #define bus_space_write_multi_2(t, h, o, a, c) (h).bswm2(t, &(h), o, a, c)
! 349: #define bus_space_write_multi_4(t, h, o, a, c) (h).bswm4(t, &(h), o, a, c)
! 350:
! 351: /*
! 352: * void bus_space_write_region_N(bus_space_tag_t tag,
! 353: * bus_space_handle_t bsh, bus_size_t offset,
! 354: * const u_intN_t *addr, size_t count);
! 355: *
! 356: * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
! 357: * to bus space described by tag/handle starting at `offset'.
! 358: */
! 359:
! 360: void mac68k_bswr1(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 361: const u_int8_t *, size_t);
! 362: void mac68k_bswr2(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 363: const u_int16_t *, size_t);
! 364: void mac68k_bswr2_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 365: const u_int16_t *, size_t);
! 366: void mac68k_bswr4(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 367: const u_int32_t *, size_t);
! 368: void mac68k_bswr4_swap(bus_space_tag_t, bus_space_handle_t *, bus_size_t,
! 369: const u_int32_t *, size_t);
! 370:
! 371: #define bus_space_write_region_1(t, h, o, a, c) (h).bswr1(t, &(h), o, a, c)
! 372: #define bus_space_write_region_2(t, h, o, a, c) (h).bswr2(t, &(h), o, a, c)
! 373: #define bus_space_write_region_4(t, h, o, a, c) (h).bswr4(t, &(h), o, a, c)
! 374:
! 375: /*
! 376: * void bus_space_set_multi_N(bus_space_tag_t tag,
! 377: * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
! 378: * size_t count);
! 379: *
! 380: * Write the 1, 2, 4, or 8 byte value `val' to bus space described
! 381: * by tag/handle/offset `count' times.
! 382: */
! 383:
! 384: void mac68k_bssm1(bus_space_tag_t t, bus_space_handle_t *h,
! 385: bus_size_t o, u_int8_t v, size_t c);
! 386: void mac68k_bssm2(bus_space_tag_t t, bus_space_handle_t *h,
! 387: bus_size_t o, u_int16_t v, size_t c);
! 388: void mac68k_bssm2_swap(bus_space_tag_t t, bus_space_handle_t *h,
! 389: bus_size_t o, u_int16_t v, size_t c);
! 390: void mac68k_bssm4(bus_space_tag_t t, bus_space_handle_t *h,
! 391: bus_size_t o, u_int32_t v, size_t c);
! 392: void mac68k_bssm4_swap(bus_space_tag_t t, bus_space_handle_t *h,
! 393: bus_size_t o, u_int32_t v, size_t c);
! 394:
! 395: #define bus_space_set_multi_1(t, h, o, val, c) (h).bssm1(t, &(h), o, val, c)
! 396: #define bus_space_set_multi_2(t, h, o, val, c) (h).bssm2(t, &(h), o, val, c)
! 397: #define bus_space_set_multi_4(t, h, o, val, c) (h).bssm4(t, &(h), o, val, c)
! 398:
! 399: /*
! 400: * void bus_space_set_region_N(bus_space_tag_t tag,
! 401: * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
! 402: * size_t count);
! 403: *
! 404: * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
! 405: * by tag/handle starting at `offset'.
! 406: */
! 407:
! 408: void mac68k_bssr1(bus_space_tag_t t, bus_space_handle_t *h,
! 409: bus_size_t o, u_int8_t v, size_t c);
! 410: void mac68k_bssr2(bus_space_tag_t t, bus_space_handle_t *h,
! 411: bus_size_t o, u_int16_t v, size_t c);
! 412: void mac68k_bssr2_swap(bus_space_tag_t t, bus_space_handle_t *h,
! 413: bus_size_t o, u_int16_t v, size_t c);
! 414: void mac68k_bssr4(bus_space_tag_t t, bus_space_handle_t *h,
! 415: bus_size_t o, u_int32_t v, size_t c);
! 416: void mac68k_bssr4_swap(bus_space_tag_t t, bus_space_handle_t *h,
! 417: bus_size_t o, u_int32_t v, size_t c);
! 418:
! 419: #define bus_space_set_region_1(t, h, o, val, c) (h).bssr1(t, &(h), o, val, c)
! 420: #define bus_space_set_region_2(t, h, o, val, c) (h).bssr2(t, &(h), o, val, c)
! 421: #define bus_space_set_region_4(t, h, o, val, c) (h).bssr4(t, &(h), o, val, c)
! 422:
! 423: /*
! 424: * Bus read/write barrier methods.
! 425: *
! 426: * void bus_space_barrier(bus_space_tag_t tag,
! 427: * bus_space_handle_t bsh, bus_size_t offset,
! 428: * bus_size_t len, int flags);
! 429: *
! 430: * Note: the 680x0 does not currently require barriers, but we must
! 431: * provide the flags to MI code.
! 432: */
! 433: #define bus_space_barrier(t, h, o, l, f) \
! 434: ((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f)))
! 435: #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
! 436: #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
! 437:
! 438: #define bus_space_vaddr(t, h) (void *)((h).base)
! 439:
! 440: #endif /* _MAC68K_BUS_H_ */
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