Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

intr.c

Browse Source
This commit is contained in:
matthias 1997-03-21 08:31:59 +00:00
parent 4d949455d4
commit 4c63b60bae
2 changed files with 0 additions and 86 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
sys/arch/pc532/pc532/icuinit.c
View File

@ -1,86 +0,0 @@
/* $NetBSD: icuinit.c,v 1.3 1994/10/26 08:25:03 cgd Exp $ */
/*
* Copyright (c) 1993 Philip A. Nelson.
* 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 Philip A. Nelson.
* 4. The name of Philip A. Nelson may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY PHILIP NELSON ``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 PHILIP NELSON 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.
*/
/* icuinit.c - C support for 532 icu stuff. */
#include <sys/param.h>
#include <machine/cpu.h>
#include <machine/icu.h>
/* Table for initializing ICU. Written in order to ICU.
* Monitor has already set
* CCTL=0x15 MCTL=0 LCSV=13 IPS=0 PDIR=0xfe PDAT=0xfe
*/
struct icu_init_type {
unsigned char offset;
unsigned char val;
} icu_tab [] = {
{IMSK, 0xff}, /* mask off ints for now */
{IMSK+1, 0xff}, /* " */
{CIPTR, IR_CLK << 4}, /* clock int vector (CIPTR) */
{CICTL, 0x00}, /* clock interrupt enable (CICTL) */
{IPS, 0x7e}, /* 0=i/o, 1=int_req */
{PDIR, 0x7e}, /* 1=in, 0=out */
{OCASN, 0}, /* clock output (n/a) */
{PDAT, 0xfe}, /* keep ROM at high mem */
{ISRV, 0}, /* int in service (set by hw) */
{ISRV+1, 0}, /* int in service */
{CSRC, 0}, /* cascade source */
{CSRC+1, 0}, /* cascade source */
{SVCT, VEC_ICU}, /* isr vector */
{FPRT, 0}, /* priority */
{TPL, IPOLARITY & 0xff}, /* polarity */
{TPL+1, IPOLARITY >> 8}, /* " */
{ELTG, IEDGE & 0xff}, /* edge trigger (0 = edge) */
{ELTG+1, IEDGE >> 8}, /* " */
{MCTL, 0x02}, /* fixed priority */
{CCTL, 0x1c}, /* prescale, no cat, run clocks */
};
#define ICUTAB_SZ (sizeof (icu_tab) / sizeof (struct icu_init_type))
/*===========================================================================*
* icu_init
*===========================================================================*/
/* Initialize interrupt control unit. Starts clock interrupts.
*/
icu_init()
{
struct icu_init_type *p;
for (p = icu_tab; p < icu_tab + ICUTAB_SZ; ++p)
WR_ADR (unsigned char, ICU_ADR + p->offset, p->val);
}

0
sys/arch/pc532/pc532/intr.c Normal file
View File