diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /sys/arch/mvme68k/dev/pccreg.h |
initial import of NetBSD tree
Diffstat (limited to 'sys/arch/mvme68k/dev/pccreg.h')
-rw-r--r-- | sys/arch/mvme68k/dev/pccreg.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/sys/arch/mvme68k/dev/pccreg.h b/sys/arch/mvme68k/dev/pccreg.h new file mode 100644 index 00000000000..114d42a7dab --- /dev/null +++ b/sys/arch/mvme68k/dev/pccreg.h @@ -0,0 +1,130 @@ +/* $Id: pccreg.h,v 1.1 1995/10/18 08:51:10 deraadt Exp $ */ + +/* + * + * Copyright (c) 1995 Charles D. Cranor + * All rights reserved. + * + * 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 Charles D. Cranor. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +/* + * peripheral channel controller (at pa fffe1000) + */ + +struct pcc { + volatile u_long dma_taddr; /* dma table address */ + volatile u_long dma_daddr; /* dma data address */ + volatile u_long dma_bcnt; /* dma byte count */ + volatile u_long dma_hold; /* dma data hold register */ + volatile u_short t1_pload; /* timer1 preload */ + volatile u_short t1_count; /* timer1 count */ + volatile u_short t2_pload; /* timer2 preload */ + volatile u_short t2_count; /* timer2 count */ + volatile u_char t1_int; /* timer1 interrupt ctrl */ + volatile u_char t1_cr; /* timer1 ctrl reg */ + volatile u_char t2_int; /* timer2 interrupt ctrl */ + volatile u_char t2_cr; /* timer2 ctrl reg */ + volatile u_char acf_int; /* acfail intr reg */ + volatile u_char dog_int; /* watchdog intr reg */ + volatile u_char pr_int; /* printer intr reg */ + volatile u_char pr_cr; /* printer ctrl */ + volatile u_char dma_int; /* dma interrupt control */ + volatile u_char dma_csr; /* dma csr */ + volatile u_char bus_int; /* bus error interrupt */ + volatile u_char dma_sr; /* dma status register */ + volatile u_char abrt_int; /* abort interrupt control reg */ + volatile u_char ta_fcr; /* table address function code reg */ + volatile u_char zs_int; /* serial interrupt reg */ + volatile u_char gen_cr; /* general control register */ + volatile u_char le_int; /* ethernet interrupt */ + volatile u_char gen_sr; /* general status */ + volatile u_char scsi_int; /* scsi interrupt reg */ + volatile u_char slave_ba; /* slave base addr reg */ + volatile u_char sw1_int; /* software interrupt #1 cr */ + volatile u_char int_vectr; /* interrupt base vector register */ + volatile u_char sw2_int; /* software interrupt #2 cr */ + volatile u_char pcc_rev; /* revision level */ +}; + + +/* + * points to system's PCC + */ + +extern struct pcc *sys_pcc; + +/* + * we lock off our interrupt vector at 0x40. if this is changed + * we'll need to change vector.s + */ + +#define PCC_VECBASE 0x40 +#define PCC_NVEC 12 + +/* + * vectors we use + */ + +#define PCCV_ACFAIL 0 +#define PCCV_BERR 1 +#define PCCV_ABORT 2 +#define PCCV_ZS 3 +#define PCCV_LE 4 +#define PCCV_SCSIP 5 +#define PCCV_SCSID 6 +#define PCCV_PRINTER 7 +#define PCCV_TIMER1 8 +#define PCCV_TIMER2 9 +#define PCCV_SOFT1 10 +#define PCCV_SOFT2 11 + +/* + * enable interrupt + */ + +#define PCC_IENABLE 0x08 + +/* + * interrupt mask + */ + +#define PCC_IMASK 0x7 + +/* + * clock/timer + */ + +#define PCC_TIMERACK 0x80 /* ack intr */ +#define PCC_TIMER100HZ 63936 /* load value for 100Hz */ +#define PCC_TIMERCLEAR 0x0 /* reset and clear timer */ +#define PCC_TIMERSTART 0x3 /* start timer */ + +/* + * serial control + */ + +#define PCC_ZSEXTERN 0x10 /* let PCC supply vector */ |