/* $NetBSD: vme_pccreg.h,v 1.2 1997/10/09 08:42:46 jtc Exp $ */ /*- * Copyright (c) 1996 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * 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 the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* * Based IN PART on a 147 VME driver by Theo de Raadt. */ /* * Register map of the Type 1 VMEchip found on the MVME-147 * Peripheral Channel Controller. */ struct vme_pcc { /* * Local VME control registers. */ int8_t pad0; volatile u_int8_t vme_scon; #define VME1_SCON_SWITCH 0x01 /* SCON jumper is set */ #define VME1_SCON_SRESET 0x02 /* assert SRESET on bus */ #define VME1_SCON_SYSFAIL 0x04 /* assert SYSFAIL on bus */ #define VME1_SCON_ROBIN 0x08 /* round robin bus requests */ int8_t pad1; volatile u_int8_t vme_reqconf; #define VME1_REQ_IPLMASK 0x03 /* interrupt level for requester */ #define VME1_REQ_RNEVER 0x08 #define VME1_REQ_RWD 0x10 #define VME1_REQ_DHB 0x40 #define VME1_REQ_DWB 0x80 int8_t pad2; volatile u_int8_t vme_masconf; #define VME1_MAS_D16 0x01 /* force d8/16 accesses only */ #define VME1_MAS_MASA24 0x02 /* send address mod for A24 access */ #define VME1_MAS_MASA16 0x04 /* send address mod for A16 access */ #define VME1_MAS_MASUAT 0x08 /* handle unaligned VME cycles */ #define VME1_MAS_CFILL 0x10 /* DO NOT USE */ #define VME1_MAS_MASWP 0x20 /* VME fast mode (DO NOT USE) */ int8_t pad3; volatile u_int8_t vme_slconf; #define VME1_SLAVE_SLVD16 0x01 /* DO NOT USE */ #define VME1_SLAVE_SLVWP 0x20 /* DO NOT USE */ #define VME1_SLAVE_SLVEN 0x80 /* allow access to onboard DRAM */ int8_t pad4; volatile u_int8_t vme_timerconf; #define VME1_TIMER_LOCAL_MASK 0x03 #define VME1_TIMER_LOCAL_T0 0x00 /* local timeout 102 microsec */ #define VME1_TIMER_LOCAL_T1 0x01 /* local timeout 205 microsec */ #define VME1_TIMER_LOCAL_T2 0x02 /* local timeout 410 microsec */ #define VME1_TIMER_LOCAL_T3 0x03 /* local timeout disabled */ #define VME1_TIMER_VMEACC_MASK 0x0c #define VME1_TIMER_VMEACC_T0 0x00 /* VME access timeout 102 microsec */ #define VME1_TIMER_VMEACC_T1 0x04 /* VME access timeout 1.6 millisec */ #define VME1_TIMER_VMEACC_T2 0x08 /* VME access timeout 51 millisec */ #define VME1_TIMER_VMEACC_T3 0x0c /* VME access timeout disabled */ #define VME1_TIMER_VMEGLO_MASK 0x30 #define VME1_TIMER_VMEGLO_T0 0x00 /* VME glob timeout 102 microsec */ #define VME1_TIMER_VMEGLO_T1 0x10 /* VME glob timeout 205 microsec */ #define VME1_TIMER_VMEGLO_T2 0x20 /* VME glob timeout 410 microsec */ #define VME1_TIMER_VMEGLO_T3 0x30 /* VME glob timeout disabled */ #define VME1_TIMER_ARBTO 0x40 /* enable VME arbitration timer */ int8_t pad5; volatile u_int8_t vme_sladdrmod; #define VME1_SLMOD_DATA 0x01 #define VME1_SLMOD_PRGRM 0x02 #define VME1_SLMOD_BLOCK 0x04 #define VME1_SLMOD_SHORT 0x08 #define VME1_SLMOD_STND 0x10 #define VME1_SLMOD_EXTED 0x20 #define VME1_SLMOD_USER 0x40 #define VME1_SLMOD_SUPER 0x80 int8_t pad6; volatile u_int8_t vme_msaddrmod; #define VME1_MSMOD_AM_MASK 0x3f #define VME1_MSMOD_AMSEL 0x80 int8_t pad7; volatile u_int8_t vme_irqen; #define VME1_IRQ_VME(x) (1 << (x)) int8_t pad8; volatile u_int8_t vme_uireqen; int8_t pad9; volatile u_int8_t vme_uirq; int8_t pad10; volatile u_int8_t vme_irq; int8_t pad11; volatile u_int8_t vme_vmeid; int8_t pad12; volatile u_int8_t vme_buserr; int8_t pad13; volatile u_int8_t vme_gcsr; int8_t pad14[4]; /* * Global Status and Control registers. */ int8_t pad15; volatile u_int8_t vme_gcsr_gr0; int8_t pad16; volatile u_int8_t vme_gcsr_gr1; int8_t pad17; volatile u_int8_t vme_gcsr_boardid; int8_t pad18; volatile u_int8_t vme_gcsr_gpr0; int8_t pad19; volatile u_int8_t vme_gcsr_gpr1; int8_t pad20; volatile u_int8_t vme_gcsr_gpr2; int8_t pad21; volatile u_int8_t vme_gcsr_gpr3; int8_t pad22; volatile u_int8_t vme_gcsr_gpr4; }; /* * The Type 1 VMEchip decoder maps VME address space to system addresses * like this: * * A24/32D32: end of RAM - 0xefffffff * A32D16: 0xf0000000 - 0xff7fffff * A16D16: 0xffff0000 - 0xffffffff * * Note that an A24D32 access on a machine with 16MB of RAM will lose, * since you'll be out of address bits. */ #define VME1_A32D32_START (0x00000000) #define VME1_A32D32_END (0xefffffff) #define VME1_A32D32_LEN ((VME1_A32D32_END - VME1_A32D32_START) + 1) #define VME1_A32D16_START (0xf0000000) #define VME1_A32D16_END (0xff7fffff) #define VME1_A32D16_LEN ((VME1_A32D16_END - VME1_A32D16_START) + 1) #define VME1_A16D16_START (0xffff0000) #define VME1_A16D16_END (0xffffffff) #define VME1_A16D16_LEN ((VME1_A16D16_END - VME1_A16D16_START) + 1)