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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /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.h130
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 */