Re: Pata support for IDE Controller 82801G ICH7 in Linux 2.6.22

["Michal Piotrowski" <michal.k.k.piotrowski@gmail.com>]

On 22/07/07, Bartek <poemann@gmail.com> wrote:
> On 22/07/07, Bartek <poemann@gmail.com> wrote:
> > Hi
> >
> > I have a laptop Asus A6JM with Intel IDE Controller 82801G ICH7
> > Family. I wanna give a try a new PATA driver instead the old one
> > (IDE), so I compiled these modules in the Linux 2.6.22 (CONFIG_IDE is
> > not set) :
> > # SCSI device support
> > CONFIG_SCSI=y
> > CONFIG_SCSI_TGT=m
> > CONFIG_SCSI_NETLINK=y
> > CONFIG_SCSI_PROC_FS=y
> >
> > # SCSI support type (disk, tape, CD-ROM)
> > CONFIG_BLK_DEV_SD=y
> > CONFIG_BLK_DEV_SR=m
> > CONFIG_CHR_DEV_SCH=m
> >
> > # Some SCSI devices (e.g. CD jukebox) support multiple LUNs
> > CONFIG_SCSI_MULTI_LUN=y
> > CONFIG_SCSI_SCAN_ASYNC=y
> > CONFIG_SCSI_WAIT_SCAN=m
> >
> > # SCSI Transports
> > CONFIG_SCSI_SPI_ATTRS=m
> > CONFIG_SCSI_FC_ATTRS=m
> > CONFIG_SCSI_ISCSI_ATTRS=m
> > CONFIG_SCSI_SAS_ATTRS=m
> > CONFIG_SCSI_SAS_LIBSAS=m
> >
> > # SATA/PATA driver configuration
> > CONFIG_ATA=m
> > CONFIG_ATA_ACPI=y
> > CONFIG_SATA_AHCI=m
> > CONFIG_ATA_PIIX=m
> > CONFIG_ATA_GENERIC=m
> > CONFIG_PATA_PCMCIA=m
> >
> > Then I added to /etc/initramfs-tools/modules these modules:
> > ata_generic, libata, ata_piix
> > After installing the new kernel and rebooting, the system stopped
> > showing a message:
> > "Waiting for root file system..."
> > Then, after 2 or 3 minutes initramfs shell appeared. So I checked if
> > 82801G controller is supported, and I found this in
> > linux/drivers/ata/ata_piix.c
> > /* 82801GB/GR/GH (ICH7, identical to ICH6) */
> > { 0x8086, 0x27c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6_sata_ahci },
> > /* 2801GBM/GHM (ICH7M, identical to ICH6M) */
> > { 0x8086, 0x27c4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich6m_sata_ahci },
> >
> > My question is there a Linux PATA driver for the IDE Controller 82801G
> > ICH7 Family or is there any plan to support it?
> >
> > My /etc/fstab looks like:
> > # /etc/fstab: static file system information.
> > #
> > # <file system> <mount point>   <type>  <options>       <dump>  <pass>
> > proc            /proc           proc    defaults        0       0
> > LABEL=ROOT       /               ext3    defaults,errors=remount-ro 0       1
> > LABEL=BOOT       /boot           ext3    defaults        0       2
> > LABEL=HOME       /home           ext3
> > noatime,defaults,errors=remount-ro         0       2
> > LABEL=SWAP       none            swap    sw              0       0
> >
> > The fragment of /boot/grub/menu.lst
> > title           Debian GNU/Linux, kernel 2.6.22
> > root            (hd0,0)
> > kernel          /vmlinuz-2.6.22 root=LABEL=ROOT ro vga=792
> > initrd          /initrd.img-2.6.22
> > savedefault
> >
> > Output of lspci -vvv
> > 00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE
> > Controller (rev 02) (prog-if 8a [Master SecP PriP])
> >         Subsystem: ASUSTeK Computer Inc. Unknown device 1237
> >         Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
> > ParErr- Stepping- SERR- FastB2B-
> >         Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
> > >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> >         Latency: 0
> >         Interrupt: pin A routed to IRQ 20
> >         Region 0: I/O ports at 01f0 [size=8]
> >         Region 1: I/O ports at 03f4 [size=1]
> >         Region 2: I/O ports at 0170 [size=8]
> >         Region 3: I/O ports at 0374 [size=1]
> >         Region 4: I/O ports at ffa0 [size=16]
>
> Hi again,
>
> Michal Piotrowski (thanks Michal :)) took me a private notice that I
> should send output of lspci -n instead of lspci -vvv, so here it is
> (part of, I hope that's enough):
>
> 00:1f.1 0101: 8086:27df (rev 02)

Ok, this controller is supported.

Did you forgot about CONFIG_PATA_MPIIX=y?

>
> Regards
> Bartek
>

Regards,
Michal

-- 
LOG
http://www.stardust.webpages.pl/log/