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Reset FDC in news5000_init() to avoid spurious interrupts 

after booting from floppy (since we don't have fdc driver yet).
This commit is contained in:
tsutsui 2001-04-27 12:55:51 +00:00
parent 248b28d16b
commit 1bcd6675d5
1 changed files with 6 additions and 1 deletions
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7
sys/arch/newsmips/newsmips/news5000.c
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@ -1,4 +1,4 @@
/* $NetBSD: news5000.c,v 1.7 2000/12/03 01:42:30 matt Exp $ */
/* $NetBSD: news5000.c,v 1.8 2001/04/27 12:55:51 tsutsui Exp $ */
/*-
* Copyright (C) 1999 SHIMIZU Ryo. All rights reserved.
@ -250,4 +250,9 @@ news5000_init(void)
readidrom_5000((u_char *)&idrom);
readmicrotime = readmicrotime_5000;
hostid = idrom.id_serial;
/* XXX reset uPD72067 FDC to avoid spurious interrupts */
#define NEWS5000_FDC_FDOUT 0xbed20000
#define FDO_FRST 0x04
*(volatile u_int8_t *)NEWS5000_FDC_FDOUT = FDO_FRST;
}