202 lines
6.3 KiB
C
202 lines
6.3 KiB
C
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/* $NetBSD: vme_pccreg.h,v 1.1 1996/04/26 19:00:16 chuck Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Based IN PART on a 147 VME driver by Theo de Raadt.
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*/
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/*
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* Register map of the Type 1 VMEchip found on the MVME-147
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* Peripheral Channel Controller.
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*/
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struct vme_pcc {
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/*
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* Local VME control registers.
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*/
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int8_t pad0;
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volatile u_int8_t vme_scon;
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#define VME1_SCON_SWITCH 0x01 /* SCON jumper is set */
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#define VME1_SCON_SRESET 0x02 /* assert SRESET on bus */
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#define VME1_SCON_SYSFAIL 0x04 /* assert SYSFAIL on bus */
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#define VME1_SCON_ROBIN 0x08 /* round robin bus requests */
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int8_t pad1;
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volatile u_int8_t vme_reqconf;
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#define VME1_REQ_IPLMASK 0x03 /* interrupt level for requester */
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#define VME1_REQ_RNEVER 0x08
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#define VME1_REQ_RWD 0x10
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#define VME1_REQ_DHB 0x40
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#define VME1_REQ_DWB 0x80
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int8_t pad2;
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volatile u_int8_t vme_masconf;
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#define VME1_MAS_D16 0x01 /* force d8/16 accesses only */
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#define VME1_MAS_MASA24 0x02 /* send address mod for A24 access */
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#define VME1_MAS_MASA16 0x04 /* send address mod for A16 access */
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#define VME1_MAS_MASUAT 0x08 /* handle unaligned VME cycles */
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#define VME1_MAS_CFILL 0x10 /* DO NOT USE */
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#define VME1_MAS_MASWP 0x20 /* VME fast mode (DO NOT USE) */
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int8_t pad3;
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volatile u_int8_t vme_slconf;
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#define VME1_SLAVE_SLVD16 0x01 /* DO NOT USE */
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#define VME1_SLAVE_SLVWP 0x20 /* DO NOT USE */
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#define VME1_SLAVE_SLVEN 0x80 /* allow access to onboard DRAM */
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int8_t pad4;
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volatile u_int8_t vme_timerconf;
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#define VME1_TIMER_LOCAL_MASK 0x03
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#define VME1_TIMER_LOCAL_T0 0x00 /* local timeout 102 microsec */
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#define VME1_TIMER_LOCAL_T1 0x01 /* local timeout 205 microsec */
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#define VME1_TIMER_LOCAL_T2 0x02 /* local timeout 410 microsec */
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#define VME1_TIMER_LOCAL_T3 0x03 /* local timeout disabled */
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#define VME1_TIMER_VMEACC_MASK 0x0c
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#define VME1_TIMER_VMEACC_T0 0x00 /* VME access timeout 102 microsec */
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#define VME1_TIMER_VMEACC_T1 0x04 /* VME access timeout 1.6 millisec */
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#define VME1_TIMER_VMEACC_T2 0x08 /* VME access timeout 51 millisec */
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#define VME1_TIMER_VMEACC_T3 0x0c /* VME access timeout disabled */
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#define VME1_TIMER_VMEGLO_MASK 0x30
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#define VME1_TIMER_VMEGLO_T0 0x00 /* VME glob timeout 102 microsec */
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#define VME1_TIMER_VMEGLO_T1 0x10 /* VME glob timeout 205 microsec */
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#define VME1_TIMER_VMEGLO_T2 0x20 /* VME glob timeout 410 microsec */
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#define VME1_TIMER_VMEGLO_T3 0x30 /* VME glob timeout disabled */
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#define VME1_TIMER_ARBTO 0x40 /* enable VME arbitration timer */
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int8_t pad5;
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volatile u_int8_t vme_sladdrmod;
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#define VME1_SLMOD_DATA 0x01
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#define VME1_SLMOD_PRGRM 0x02
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#define VME1_SLMOD_BLOCK 0x04
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#define VME1_SLMOD_SHORT 0x08
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#define VME1_SLMOD_STND 0x10
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#define VME1_SLMOD_EXTED 0x20
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#define VME1_SLMOD_USER 0x40
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#define VME1_SLMOD_SUPER 0x80
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int8_t pad6;
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volatile u_int8_t vme_msaddrmod;
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#define VME1_MSMOD_AM_MASK 0x3f
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#define VME1_MSMOD_AMSEL 0x80
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int8_t pad7;
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volatile u_int8_t vme_irqen;
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#define VME1_IRQ_VME(x) (1 << (x))
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int8_t pad8;
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volatile u_int8_t vme_uireqen;
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int8_t pad9;
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volatile u_int8_t vme_uirq;
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int8_t pad10;
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volatile u_int8_t vme_irq;
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int8_t pad11;
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volatile u_int8_t vme_vmeid;
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int8_t pad12;
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volatile u_int8_t vme_buserr;
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int8_t pad13;
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volatile u_int8_t vme_gcsr;
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int8_t pad14[4];
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/*
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* Global Status and Control registers.
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*/
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int8_t pad15;
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volatile u_int8_t vme_gcsr_gr0;
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int8_t pad16;
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volatile u_int8_t vme_gcsr_gr1;
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int8_t pad17;
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volatile u_int8_t vme_gcsr_boardid;
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int8_t pad18;
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volatile u_int8_t vme_gcsr_gpr0;
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int8_t pad19;
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volatile u_int8_t vme_gcsr_gpr1;
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int8_t pad20;
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volatile u_int8_t vme_gcsr_gpr2;
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int8_t pad21;
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volatile u_int8_t vme_gcsr_gpr3;
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int8_t pad22;
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volatile u_int8_t vme_gcsr_gpr4;
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};
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/*
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* The Type 1 VMEchip decoder maps VME address space to system addresses
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* like this:
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*
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* A24/32D32: end of RAM - 0xefffffff
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* A32D16: 0xf0000000 - 0xff7fffff
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* A16D16: 0xffff0000 - 0xffffffff
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*
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* Note that an A24D32 access on a machine with 16MB of RAM will lose,
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* since you'll be out of address bits.
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*/
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#define VME1_A32D32_START (0x00000000)
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#define VME1_A32D32_END (0xefffffff)
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#define VME1_A32D32_LEN ((VME1_A32D32_END - VME1_A32D32_START) + 1)
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#define VME1_A32D16_START (0xf0000000)
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#define VME1_A32D16_END (0xff7fffff)
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#define VME1_A32D16_LEN ((VME1_A32D16_END - VME1_A32D16_START) + 1)
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#define VME1_A16D16_START (0xffff0000)
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#define VME1_A16D16_END (0xffffffff)
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#define VME1_A16D16_LEN ((VME1_A16D16_END - VME1_A16D16_START) + 1)
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