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* Initialize the icu with a table driven method again.

This commit is contained in:
matthias 1997-04-01 16:32:25 +00:00
parent 9046ff4c6f
commit 9e6c9efed8
1 changed files with 17 additions and 19 deletions
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36
sys/arch/pc532/pc532/intr.c
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@ -1,4 +1,4 @@
/* $NetBSD: intr.c,v 1.18 1997/03/21 08:34:57 matthias Exp $ */
/* $NetBSD: intr.c,v 1.19 1997/04/01 16:32:25 matthias Exp $ */
/*
* Copyright (c) 1994 Matthias Pfaller.
@ -53,25 +53,23 @@ void
intr_init()
{
int i, sir;
static u_char icu_table[] = {
ISRV, 0, /* Reset interrupt in-service register. */
ISRV+1, 0,
CSRC, 0, /* ICU is not cascaded. */
CSRC+1, 0,
FPRT, 0, /* Reset first priority register. */
TPL, 0, /* Initialize all interrupts to FALLING_EDGE. */
TPL+1, 0,
ELTG, 0,
ELTG+1, 0,
MCTL, 2, /* Set ICU to fixed priority mode. */
IPND, 0x40,
IPND+1, 0x40, /* Reset interrupt pending register. */
0xff
};
/* We don't use the ICU in vectored mode but set this anyway. */
ICUB(SVCT) = VEC_ICU;
/* ICU is not cascaded. */
ICUW(CSRC) = 0;
/* We are using the ICU in fixed priority mode. */
ICUB(MCTL) = 2;
/* Initialize all interrupts to FALLING_EDGE. */
ICUW(TPL) = 0;
ICUW(ELTG) = 0;
/* Reset first priority register. */
ICUB(FPRT) = 0;
/* Reset interrupt in-service register. */
ICUW(ISRV) = 0;
icu_init(icu_table);
for (i = 0; i < 16; i++) {
ivt[i].iv_vec = badhard;