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

[Bartek]

On 22/07/07, Bartek <poemann@xxxxxxxxx> 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)

Regards
Bartek
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