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Date:      Thu, 03 Oct 2002 15:02:28 +0900 (JST)
From:      Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>
To:        jhb@FreeBSD.ORG
Cc:        mark@grondar.za, current@FreeBSD.ORG
Subject:   Re: PCI brokenness
Message-ID:  <20021003.150228.58374327.iwasaki@jp.FreeBSD.org>
In-Reply-To: <XFMail.20021002123404.jhb@FreeBSD.org>
References:  <200210021608.g92G84eO000817@grimreaper.grondar.org> <XFMail.20021002123404.jhb@FreeBSD.org>

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> > Here is my hints file (which has not changed in at least 6 months)
> 
> Ok, so you only have ata0 and no ata1.  So that means the ACPI ata
> attachment almost worked.  Humm, try doing a hack to change ATA_IOADDR_RID
> in ata-all.h from 0 to 1 along with the previous patch to add an acpi
> attachment for ata and see if that works.  I still have no idea why
> the ata hint device isn't working.  It should be working fine. :(

# I could be wrong, please correct me :)
I think that Libretto 110CT doesn't have PCI-ISA bridge , so no isab,
no isa, no isahint (requires isa) w/ acpi enabled.
In legacy case, we have at least isa0 on motherboard even if there
is no ISA bridge.  OTOH, we never see isa0 if there is no ISA bridge
in ACPI case.
Also, most of isa device driver (more than 70!) don't have acpi
attachment yet, including some important drivers such as sc0.

Hmmm, it's not so simple...
How about having acpi_isa bus code so that we have at least isa0
on the system w/o ISA bridge ?

BTW, Libretto 110CT's DSDT at:
http://www.jp.freebsd.org/cgi/cvsweb.cgi/ACPI/data/li110ct.dsdt?cvsroot=freebsd-jp
please get it if you need.
ata seems to be _SB_.PCI0.EIO_.HDD1.

Thanks

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