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Use 1MHz freerun counter for microtime(). 

Show address for bus error, and DMA address error.
	should be panic, but only printf for now.
This commit is contained in:
onoe 2000-10-12 03:10:37 +00:00
parent 68f82490a3
commit de22372491
1 changed files with 47 additions and 13 deletions
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60
sys/arch/newsmips/newsmips/news5000.c
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@ -1,4 +1,4 @@
/* $NetBSD: news5000.c,v 1.5 2000/07/29 08:21:44 tsubai Exp $ */
/* $NetBSD: news5000.c,v 1.6 2000/10/12 03:10:37 onoe Exp $ */
/*-
* Copyright (C) 1999 SHIMIZU Ryo. All rights reserved.
@ -37,9 +37,13 @@
#include <newsmips/apbus/apbusvar.h>
#include <newsmips/newsmips/machid.h>
extern void (*readmicrotime) __P((struct timeval *tvp));
static void level1_intr __P((void));
static void level0_intr __P((void));
static u_int freerun_off;
/*
* Handle news5000 interrupts.
*/
@ -72,6 +76,7 @@ news5000_intr(status, cause, pc, ipending)
if (int2stat & NEWS5000_INT2_TIMER0) {
*(volatile u_int *)NEWS5000_TIMER0 = 1;
freerun_off = *(volatile u_int *)NEWS5000_FREERUN;
cf.pc = pc;
cf.sr = status;
@ -97,6 +102,22 @@ news5000_intr(status, cause, pc, ipending)
if (ipending & MIPS_INT_MASK_4) {
u_int int4stat = *(volatile u_int *)NEWS5000_INTST4;
printf("level4 interrupt (%08x)\n", int4stat);
if (int4stat & NEWS5000_INT4_APBUS) {
u_int stat = *(volatile u_int *)NEWS5000_APBUS_INTST;
printf("APbus error 0x%04x\n", stat & 0xffff);
if (stat & NEWS5000_APBUS_INT_DMAADDR) {
printf("DMA Address Error: slot=%x, addr=0x%08x\n",
*(volatile u_int *)NEWS5000_APBUS_DER_S,
*(volatile u_int *)NEWS5000_APBUS_DER_A);
}
if (stat & NEWS5000_APBUS_INT_RDTIMEO)
printf("IO Read Timeout: addr=0x%08x\n",
*(volatile u_int *)NEWS5000_APBUS_BER_A);
if (stat & NEWS5000_APBUS_INT_WRTIMEO)
printf("IO Write Timeout: addr=0x%08x\n",
*(volatile u_int *)NEWS5000_APBUS_BER_A);
*(volatile u_int *)0xb4c00014 = stat;
}
apbus_wbflush();
cause &= ~MIPS_INT_MASK_4;
@ -159,21 +180,15 @@ level0_intr()
void
enable_intr_5000()
{
volatile u_int *inten0 = (void *)NEWS5000_INTEN0;
volatile u_int *inten1 = (void *)NEWS5000_INTEN1;
*inten0 = NEWS5000_INT0_DMAC | NEWS5000_INT0_SONIC |
NEWS5000_INT0_FDC;
*inten1 = NEWS5000_INT1_KBD | NEWS5000_INT1_SCC |
NEWS5000_INT1_AUDIO0 | NEWS5000_INT1_AUDIO1 |
NEWS5000_INT1_PARALLEL | NEWS5000_INT1_FB;
/* INT0 and INT1 has been enabled at attach */
/* INT2 -- It's not a time to enable timer yet. */
/* INT3 -- not used for NWS-5000 */
/* It's not a time to enable timer yet. */
/* *(volatile u_int *)NEWS5000_INTEN2 = 0; */
*(volatile u_int *)NEWS5000_INTEN4 = NEWS5000_INT4_APBUS;
*(volatile u_int *)NEWS5000_APBUS_INTMSK = 0xffff;
/* currently INT3-INT5 are not used */
*(volatile u_int *)NEWS5000_INTEN3 = 0;
*(volatile u_int *)NEWS5000_INTEN4 = 0;
/* INT5 -- currently ignored */
*(volatile u_int *)NEWS5000_INTEN5 = 0;
}
@ -188,6 +203,24 @@ disable_intr_5000()
*(volatile u_int *)NEWS5000_INTEN5 = 0;
}
void
readmicrotime_5000(tvp)
struct timeval *tvp;
{
u_int freerun;
*tvp = time;
freerun = *(volatile u_int *)NEWS5000_FREERUN;
freerun -= freerun_off;
if (freerun > 1000000)
freerun = 1000000;
tvp->tv_usec += freerun;
if (tvp->tv_usec >= 1000000) {
tvp->tv_usec -= 1000000;
tvp->tv_sec++;
}
}
void
readidrom_5000(rom)
u_char *rom;
@ -208,5 +241,6 @@ news5000_init()
disable_intr = disable_intr_5000;
readidrom_5000((u_char *)&idrom);
readmicrotime = readmicrotime_5000;
hostid = idrom.id_serial;
}