Annotation of sys/arch/mac68k/include/iop.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: iop.h,v 1.1 2006/01/22 13:53:16 miod Exp $ */
! 2: /* $NetBSD: iopreg.h,v 1.7 2005/12/11 12:18:03 christos Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 2000 Allen Briggs.
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. The name of the author may not be used to endorse or promote products
! 17: * derived from this software without specific prior written permission.
! 18: *
! 19: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 20: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 21: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 22: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 23: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 24: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 25: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 26: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 27: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 28: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 29: */
! 30:
! 31: #define SCC_IOP 0
! 32: #define ISM_IOP 1
! 33:
! 34: #define IOP_CS_BYPASS 0x01
! 35: #define IOP_CS_AUTOINC 0x02
! 36: #define IOP_CS_RUN 0x04
! 37: #define IOP_CS_IRQ 0x08
! 38: #define IOP_CS_INT0 0x10
! 39: #define IOP_CS_INT1 0x20
! 40: #define IOP_CS_HWINT 0x40
! 41: #define IOP_CS_DMAINACT 0x80
! 42:
! 43: #define IOP_RESET (IOP_CS_DMAINACT | IOP_CS_AUTOINC)
! 44: #define IOP_BYPASS \
! 45: (IOP_CS_BYPASS | IOP_CS_AUTOINC | IOP_CS_RUN | IOP_CS_DMAINACT)
! 46: #define IOP_INTERRUPT (IOP_CS_INT0 | IOP_CS_INT1)
! 47:
! 48: typedef struct {
! 49: volatile u_char ram_hi;
! 50: u_char pad0;
! 51: volatile u_char ram_lo;
! 52: u_char pad1;
! 53: volatile u_char control_status;
! 54: u_char pad2[3];
! 55: volatile u_char data;
! 56: u_char pad3[23];
! 57: union {
! 58: struct {
! 59: volatile u_char sccb_cmd;
! 60: u_char pad0;
! 61: volatile u_char scca_cmd;
! 62: u_char pad1;
! 63: volatile u_char sccb_data;
! 64: u_char pad2;
! 65: volatile u_char scca_data;
! 66: u_char pad3;
! 67: } scc;
! 68: struct {
! 69: volatile u_char wdata;
! 70: u_char pad0;
! 71: /* etc... */
! 72: } iwm;
! 73: } bypass;
! 74: } IOPHW;
! 75:
! 76: void iop_serial_compatible(void);
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