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During a control operation (like a reset), wait 10us after selecting

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the drive. This fixes (or rather, works around) a timing problem
with WD Raptor drives attached to a Sil3114 SATA controller.

Should fix PR 23808, it fixes the same problem for me.
This commit is contained in:
fvdl 2004-03-02 13:13:57 +00:00
parent 9359a18b6a
commit 7e3d28789f
1 changed files with 3 additions and 2 deletions
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5
sys/dev/ata/ata_wdc.c
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@ -1,4 +1,4 @@
/* $NetBSD: ata_wdc.c,v 1.52 2004/01/03 23:59:58 thorpej Exp $ */
/* $NetBSD: ata_wdc.c,v 1.53 2004/03/02 13:13:57 fvdl Exp $ */
/*
* Copyright (c) 1998, 2001, 2003 Manuel Bouyer.
@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ata_wdc.c,v 1.52 2004/01/03 23:59:58 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: ata_wdc.c,v 1.53 2004/03/02 13:13:57 fvdl Exp $");
#ifndef WDCDEBUG
#define WDCDEBUG
@ -234,6 +234,7 @@ wdc_ata_bio_start(struct wdc_channel *chp, struct ata_xfer *xfer)
wdc->select(chp, xfer->c_drive);
bus_space_write_1(chp->cmd_iot, chp->cmd_iohs[wd_sdh], 0,
WDSD_IBM | (xfer->c_drive << 4));
DELAY(10);
errstring = "wait";
if (wdcwait(chp, WDCS_DRDY, WDCS_DRDY, ATA_DELAY, wait_flags))
goto ctrltimeout;