75 lines
3.4 KiB
C
75 lines
3.4 KiB
C
/* $NetBSD: vmereg.h,v 1.2 1997/06/07 19:10:57 pk Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1997 Paul Kranenburg
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Paul Kranenburg.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
struct vmebusreg {
|
|
u_int32_t vmebus_cr; /* VMEbus control register */
|
|
u_int32_t vmebus_afar; /* VMEbus async fault address */
|
|
u_int32_t vmebus_afsr; /* VMEbus async fault status */
|
|
};
|
|
|
|
/* Control Register bits */
|
|
#define VMEBUS_CR_C 0x80000000 /* I/O cache enable */
|
|
#define VMEBUS_CR_S 0x40000000 /* VME slave enable */
|
|
#define VMEBUS_CR_L 0x20000000 /* Loopback enable (diagnostic) */
|
|
#define VMEBUS_CR_R 0x10000000 /* VMEbus reset */
|
|
#define VMEBUS_CR_RSVD 0x0ffffff0 /* reserved */
|
|
#define VMEBUS_CR_IMPL 0x0000000f /* VMEbus interface implementation */
|
|
|
|
/* Asynchronous Fault Status bits */
|
|
#define VMEBUS_AFSR_SZ 0xe0000000 /* Error transaction size */
|
|
#define VMEBUS_AFSR_SZ4 0 /* 4 byte */
|
|
#define VMEBUS_AFSR_SZ1 1 /* 1 byte */
|
|
#define VMEBUS_AFSR_SZ2 2 /* 2 byte */
|
|
#define VMEBUS_AFSR_SZ32 5 /* 32 byte */
|
|
#define VMEBUS_AFSR_TO 0x10000000 /* VME master access time-out */
|
|
#define VMEBUS_AFSR_BERR 0x08000000 /* VME master got BERR */
|
|
#define VMEBUS_AFSR_WB 0x04000000 /* IOC write-back error (if SZ == 32) */
|
|
/* Non-IOC write error (id SZ != 32) */
|
|
#define VMEBUS_AFSR_ERR 0x02000000 /* Error summary bit */
|
|
#define VMEBUS_AFSR_S 0x01000000 /* MVME error in supervisor space */
|
|
#define VMEBUS_AFSR_ME 0x00800000 /* Multiple error */
|
|
#define VMEBUS_AFSR_RSVD 0x007fffff /* reserved */
|
|
|
|
struct vmebusvec {
|
|
volatile u_int8_t vmebusvec[16];
|
|
};
|
|
|
|
/* VME address modifiers */
|
|
#define VMEMOD_A16_D_S 0x2d /* 16-bit address, data, supervisor */
|
|
#define VMEMOD_A24_D_S 0x3d /* 24-bit address, data, supervisor */
|
|
#define VMEMOD_A32_D_S 0x0d /* 32-bit address, data, supervisor */
|
|
|
|
#define VMEMOD_D32 0x40 /* 32-bit access */
|
|
|