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Annotation of sys/arch/mac68k/include/iop.h, Revision 1.1.1.1

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);