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when powering up the mediabay wait two seconds before looking for devices

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Without this CDROM drives wouldn't be found when hotplugged.
This commit is contained in:
macallan 2006-12-10 02:41:30 +00:00
parent ddbf1b0dd9
commit 74ab06b7a7
1 changed files with 22 additions and 11 deletions
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33
sys/arch/macppc/dev/mediabay.c
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@ -1,4 +1,4 @@
/* $NetBSD: mediabay.c,v 1.11 2005/12/11 12:18:03 christos Exp $ */
/* $NetBSD: mediabay.c,v 1.12 2006/12/10 02:41:30 macallan Exp $ */
/*-
* Copyright (C) 1999 Tsubai Masanari. All rights reserved.
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mediabay.c,v 1.11 2005/12/11 12:18:03 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: mediabay.c,v 1.12 2006/12/10 02:41:30 macallan Exp $");
#include <sys/param.h>
#include <sys/device.h>
@ -142,17 +142,28 @@ mediabay_attach_content(sc)
char name[32];
fcr = in32rb(sc->sc_fcr);
fcr |= FCR_MEDIABAY_ENABLE | FCR_MEDIABAY_RESET;
out32rb(sc->sc_fcr, fcr);
delay(50000);
fcr &= ~FCR_MEDIABAY_RESET;
out32rb(sc->sc_fcr, fcr);
delay(50000);
/*
* if the mediabay isn't powered up we need to wait a few seconds
* before probing devices
*/
if ((fcr & (FCR_MEDIABAY_ENABLE | FCR_MEDIABAY_IDE_ENABLE
| FCR_MEDIABAY_CD_POWER)) != (FCR_MEDIABAY_ENABLE
| FCR_MEDIABAY_IDE_ENABLE | FCR_MEDIABAY_CD_POWER)) {
fcr |= FCR_MEDIABAY_ENABLE | FCR_MEDIABAY_RESET;
out32rb(sc->sc_fcr, fcr);
delay(50000);
fcr |= FCR_MEDIABAY_IDE_ENABLE | FCR_MEDIABAY_CD_POWER;
out32rb(sc->sc_fcr, fcr);
delay(50000);
fcr &= ~FCR_MEDIABAY_RESET;
out32rb(sc->sc_fcr, fcr);
delay(50000);
fcr |= FCR_MEDIABAY_IDE_ENABLE | FCR_MEDIABAY_CD_POWER;
out32rb(sc->sc_fcr, fcr);
delay(50000);
printf("%s: powering up...\n", sc->sc_dev.dv_xname);
delay(2000000);
}
for (child = OF_child(sc->sc_node); child; child = OF_peer(child)) {
memset(name, 0, sizeof(name));