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linux/drivers/ide/Kconfig
Bartlomiej Zolnierkiewicz 6d208b39c4 ide: legacy PCI bus order probing fixes 
IDE PCI host drivers should register themselves with IDE core only when
IDE driver is built-in, otherwise (IDE driver is modular and thus IDE PCI
host drivers are also modular) the code has no effect and just complicates
the probing.

Fix it by adding new config option CONFIG_IDEPCI_PCIBUS (defined only when
needed and invisible to the user) and covering by #ifdef/#endif the code
in question.  It turned out that "ide=reverse" was silently accepted but did
nothing in case when IDE driver was modular, this is fixed now.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-05-10 00:01:11 +02:00

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#
# IDE ATA ATAPI Block device driver configuration
#
# Andre Hedrick <andre@linux-ide.org>
#
if BLOCK
menu "ATA/ATAPI/MFM/RLL support"
config IDE
tristate "ATA/ATAPI/MFM/RLL support"
---help---
If you say Y here, your kernel will be able to manage low cost mass
storage units such as ATA/(E)IDE and ATAPI units. The most common
cases are IDE hard drives and ATAPI CD-ROM drives.
If your system is pure SCSI and doesn't use these interfaces, you
can say N here.
Integrated Disk Electronics (IDE aka ATA-1) is a connecting standard
for mass storage units such as hard disks. It was designed by
Western Digital and Compaq Computer in 1984. It was then named
ST506. Quite a number of disks use the IDE interface.
AT Attachment (ATA) is the superset of the IDE specifications.
ST506 was also called ATA-1.
Fast-IDE is ATA-2 (also named Fast ATA), Enhanced IDE (EIDE) is
ATA-3. It provides support for larger disks (up to 8.4GB by means of
the LBA standard), more disks (4 instead of 2) and for other mass
storage units such as tapes and cdrom. UDMA/33 (aka UltraDMA/33) is
ATA-4 and provides faster (and more CPU friendly) transfer modes
than previous PIO (Programmed processor Input/Output) from previous
ATA/IDE standards by means of fast DMA controllers.
ATA Packet Interface (ATAPI) is a protocol used by EIDE tape and
CD-ROM drives, similar in many respects to the SCSI protocol.
SMART IDE (Self Monitoring, Analysis and Reporting Technology) was
designed in order to prevent data corruption and disk crash by
detecting pre hardware failure conditions (heat, access time, and
the like...). Disks built since June 1995 may follow this standard.
The kernel itself doesn't manage this; however there are quite a
number of user programs such as smart that can query the status of
SMART parameters from disk drives.
To compile this driver as a module, choose M here: the
module will be called ide.
For further information, please read <file:Documentation/ide.txt>.
If unsure, say Y.
if IDE
config IDE_MAX_HWIFS
int "Max IDE interfaces"
depends on ALPHA || SUPERH || IA64 || EMBEDDED
range 1 10
default 4
help
This is the maximum number of IDE hardware interfaces that will
be supported by the driver. Make sure it is at least as high as
the number of IDE interfaces in your system.
config BLK_DEV_IDE
tristate "Enhanced IDE/MFM/RLL disk/cdrom/tape/floppy support"
---help---
If you say Y here, you will use the full-featured IDE driver to
control up to ten ATA/IDE interfaces, each being able to serve a
"master" and a "slave" device, for a total of up to twenty ATA/IDE
disk/cdrom/tape/floppy drives.
Useful information about large (>540 MB) IDE disks, multiple
interfaces, what to do if ATA/IDE devices are not automatically
detected, sound card ATA/IDE ports, module support, and other
topics, is contained in <file:Documentation/ide.txt>. For detailed
information about hard drives, consult the Disk-HOWTO and the
Multi-Disk-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
To fine-tune ATA/IDE drive/interface parameters for improved
performance, look for the hdparm package at
<ftp://ibiblio.org/pub/Linux/system/hardware/>.
To compile this driver as a module, choose M here and read
<file:Documentation/ide.txt>. The module will be called ide-mod.
Do not compile this driver as a module if your root file system (the
one containing the directory /) is located on an IDE device.
If you have one or more IDE drives, say Y or M here. If your system
has no IDE drives, or if memory requirements are really tight, you
could say N here, and select the "Old hard disk driver" below
instead to save about 13 KB of memory in the kernel.
if BLK_DEV_IDE
comment "Please see Documentation/ide.txt for help/info on IDE drives"
config BLK_DEV_IDE_SATA
bool "Support for SATA (deprecated; conflicts with libata SATA driver)"
default n
---help---
There are two drivers for Serial ATA controllers.
The main driver, "libata", uses the SCSI subsystem
and supports most modern SATA controllers. In order to use it
you may take a look at "Serial ATA (prod) and Parallel ATA
(experimental) drivers".
The IDE driver (which you are currently configuring) supports
a few first-generation SATA controllers.
In order to eliminate conflicts between the two subsystems,
this config option enables the IDE driver's SATA support.
Normally this is disabled, as it is preferred that libata
supports SATA controllers, and this (IDE) driver supports
PATA controllers.
If unsure, say N.
config BLK_DEV_HD_IDE
bool "Use old disk-only driver on primary interface"
depends on (X86 || SH_MPC1211)
---help---
There are two drivers for MFM/RLL/IDE disks. Most people use just
the new enhanced driver by itself. This option however installs the
old hard disk driver to control the primary IDE/disk interface in
the system, leaving the new enhanced IDE driver to take care of only
the 2nd/3rd/4th IDE interfaces. Doing this will prevent you from
having an IDE/ATAPI CD-ROM or tape drive connected to the primary
IDE interface. Choosing this option may be useful for older systems
which have MFM/RLL/ESDI controller+drives at the primary port
address (0x1f0), along with IDE drives at the secondary/3rd/4th port
addresses.
Normally, just say N here; you will then use the new driver for all
4 interfaces.
config BLK_DEV_IDEDISK
tristate "Include IDE/ATA-2 DISK support"
---help---
This will include enhanced support for MFM/RLL/IDE hard disks. If
you have a MFM/RLL/IDE disk, and there is no special reason to use
the old hard disk driver instead, say Y. If you have an SCSI-only
system, you can say N here.
To compile this driver as a module, choose M here: the
module will be called ide-disk.
Do not compile this driver as a module if your root file system
(the one containing the directory /) is located on the IDE disk.
If unsure, say Y.
config IDEDISK_MULTI_MODE
bool "Use multi-mode by default"
help
If you get this error, try to say Y here:
hda: set_multmode: status=0x51 { DriveReady SeekComplete Error }
hda: set_multmode: error=0x04 { DriveStatusError }
If in doubt, say N.
config BLK_DEV_IDECS
tristate "PCMCIA IDE support"
depends on PCMCIA
help
Support for Compact Flash cards, outboard IDE disks, tape drives,
and CD-ROM drives connected through a PCMCIA card.
config BLK_DEV_DELKIN
tristate "Cardbus IDE support (Delkin/ASKA/Workbit)"
depends on CARDBUS && PCI
help
Support for Delkin, ASKA, and Workbit Cardbus CompactFlash
Adapters. This may also work for similar SD and XD adapters.
config BLK_DEV_IDECD
tristate "Include IDE/ATAPI CDROM support"
---help---
If you have a CD-ROM drive using the ATAPI protocol, say Y. ATAPI is
a newer protocol used by IDE CD-ROM and TAPE drives, similar to the
SCSI protocol. Most new CD-ROM drives use ATAPI, including the
NEC-260, Mitsumi FX400, Sony 55E, and just about all non-SCSI
double(2X) or better speed drives.
If you say Y here, the CD-ROM drive will be identified at boot time
along with other IDE devices, as "hdb" or "hdc", or something
similar (check the boot messages with dmesg). If this is your only
CD-ROM drive, you can say N to all other CD-ROM options, but be sure
to say Y or M to "ISO 9660 CD-ROM file system support".
Note that older versions of LILO (LInux LOader) cannot properly deal
with IDE/ATAPI CD-ROMs, so install LILO 16 or higher, available from
<http://lilo.go.dyndns.org/>.
To compile this driver as a module, choose M here: the
module will be called ide-cd.
config BLK_DEV_IDETAPE
tristate "Include IDE/ATAPI TAPE support (EXPERIMENTAL)"
depends on EXPERIMENTAL
help
If you have an IDE tape drive using the ATAPI protocol, say Y.
ATAPI is a newer protocol used by IDE tape and CD-ROM drives,
similar to the SCSI protocol. If you have an SCSI tape drive
however, you can say N here.
You should also say Y if you have an OnStream DI-30 tape drive; this
will not work with the SCSI protocol, until there is support for the
SC-30 and SC-50 versions.
If you say Y here, the tape drive will be identified at boot time
along with other IDE devices, as "hdb" or "hdc", or something
similar, and will be mapped to a character device such as "ht0"
(check the boot messages with dmesg). Be sure to consult the
<file:drivers/ide/ide-tape.c> and <file:Documentation/ide.txt> files
for usage information.
To compile this driver as a module, choose M here: the
module will be called ide-tape.
config BLK_DEV_IDEFLOPPY
tristate "Include IDE/ATAPI FLOPPY support"
---help---
If you have an IDE floppy drive which uses the ATAPI protocol,
answer Y. ATAPI is a newer protocol used by IDE CD-ROM/tape/floppy
drives, similar to the SCSI protocol.
The LS-120 and the IDE/ATAPI Iomega ZIP drive are also supported by
this driver. For information about jumper settings and the question
of when a ZIP drive uses a partition table, see
<http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
(ATAPI PD-CD/CDR drives are not supported by this driver; support
for PD-CD/CDR drives is available if you answer Y to
"SCSI emulation support", below).
If you say Y here, the FLOPPY drive will be identified along with
other IDE devices, as "hdb" or "hdc", or something similar (check
the boot messages with dmesg).
To compile this driver as a module, choose M here: the
module will be called ide-floppy.
config BLK_DEV_IDESCSI
tristate "SCSI emulation support"
depends on SCSI
---help---
WARNING: ide-scsi is no longer needed for cd writing applications!
The 2.6 kernel supports direct writing to ide-cd, which eliminates
the need for ide-scsi + the entire scsi stack just for writing a
cd. The new method is more efficient in every way.
This will provide SCSI host adapter emulation for IDE ATAPI devices,
and will allow you to use a SCSI device driver instead of a native
ATAPI driver.
This is useful if you have an ATAPI device for which no native
driver has been written (for example, an ATAPI PD-CD drive);
you can then use this emulation together with an appropriate SCSI
device driver. In order to do this, say Y here and to "SCSI support"
and "SCSI generic support", below. You must then provide the kernel
command line "hdx=ide-scsi" (try "man bootparam" or see the
documentation of your boot loader (lilo or loadlin) about how to
pass options to the kernel at boot time) for devices if you want the
native EIDE sub-drivers to skip over the native support, so that
this SCSI emulation can be used instead.
Note that this option does NOT allow you to attach SCSI devices to a
box that doesn't have a SCSI host adapter installed.
If both this SCSI emulation and native ATAPI support are compiled
into the kernel, the native support will be used.
config BLK_DEV_IDEACPI
bool "IDE ACPI support"
depends on ACPI
---help---
Implement ACPI support for generic IDE devices. On modern
machines ACPI support is required to properly handle ACPI S3 states.
config IDE_TASK_IOCTL
bool "IDE Taskfile Access"
help
This is a direct raw access to the media. It is a complex but
elegant solution to test and validate the domain of the hardware and
perform below the driver data recovery if needed. This is the most
basic form of media-forensics.
If you are unsure, say N here.
config IDE_PROC_FS
bool "legacy /proc/ide/ support"
depends on IDE && PROC_FS
default y
help
This option enables support for the various files in
/proc/ide. In Linux 2.6 this has been superseded by
files in sysfs but many legacy applications rely on this.
If unsure say Y.
comment "IDE chipset support/bugfixes"
config IDE_GENERIC
tristate "generic/default IDE chipset support"
default y
help
If unsure, say Y.
config BLK_DEV_CMD640
bool "CMD640 chipset bugfix/support"
depends on X86
---help---
The CMD-Technologies CMD640 IDE chip is used on many common 486 and
Pentium motherboards, usually in combination with a "Neptune" or
"SiS" chipset. Unfortunately, it has a number of rather nasty
design flaws that can cause severe data corruption under many common
conditions. Say Y here to include code which tries to automatically
detect and correct the problems under Linux. This option also
enables access to the secondary IDE ports in some CMD640 based
systems.
This driver will work automatically in PCI based systems (most new
systems have PCI slots). But if your system uses VESA local bus
(VLB) instead of PCI, you must also supply a kernel boot parameter
to enable the CMD640 bugfix/support: "ide0=cmd640_vlb". (Try "man
bootparam" or see the documentation of your boot loader about how to
pass options to the kernel.)
The CMD640 chip is also used on add-in cards by Acculogic, and on
the "CSA-6400E PCI to IDE controller" that some people have. For
details, read <file:Documentation/ide.txt>.
config BLK_DEV_CMD640_ENHANCED
bool "CMD640 enhanced support"
depends on BLK_DEV_CMD640
help
This option includes support for setting/autotuning PIO modes and
prefetch on CMD640 IDE interfaces. For details, read
<file:Documentation/ide.txt>. If you have a CMD640 IDE interface
and your BIOS does not already do this for you, then say Y here.
Otherwise say N.
config BLK_DEV_IDEPNP
bool "PNP EIDE support"
depends on PNP
help
If you have a PnP (Plug and Play) compatible EIDE card and
would like the kernel to automatically detect and activate
it, say Y here.
config BLK_DEV_IDEPCI
bool "PCI IDE chipset support" if PCI
default BLK_DEV_IDEDMA_PMAC if PPC_PMAC && BLK_DEV_IDEDMA_PMAC
help
Say Y here for PCI systems which use IDE drive(s).
This option helps the IDE driver to automatically detect and
configure all PCI-based IDE interfaces in your system.
config IDEPCI_SHARE_IRQ
bool "Sharing PCI IDE interrupts support"
depends on PCI && BLK_DEV_IDEPCI
help
Some ATA/IDE chipsets have hardware support which allows for
sharing a single IRQ with other cards. To enable support for
this in the ATA/IDE driver, say Y here.
It is safe to say Y to this question, in most cases.
If unsure, say N.
config IDEPCI_PCIBUS_ORDER
def_bool PCI && BLK_DEV_IDE=y && BLK_DEV_IDEPCI
config BLK_DEV_OFFBOARD
bool "Boot off-board chipsets first support"
depends on PCI && BLK_DEV_IDEPCI
help
Normally, IDE controllers built into the motherboard (on-board
controllers) are assigned to ide0 and ide1 while those on add-in PCI
cards (off-board controllers) are relegated to ide2 and ide3.
Answering Y here will allow you to reverse the situation, with
off-board controllers on ide0/1 and on-board controllers on ide2/3.
This can improve the usability of some boot managers such as lilo
when booting from a drive on an off-board controller.
If you say Y here, and you actually want to reverse the device scan
order as explained above, you also need to issue the kernel command
line option "ide=reverse". (Try "man bootparam" or see the
documentation of your boot loader (lilo or loadlin) about how to
pass options to the kernel at boot time.)
Note that, if you do this, the order of the hd* devices will be
rearranged which may require modification of fstab and other files.
If in doubt, say N.
config BLK_DEV_GENERIC
tristate "Generic PCI IDE Chipset Support"
depends on BLK_DEV_IDEPCI
help
This option provides generic support for various PCI IDE Chipsets
which otherwise might not be supported.
config BLK_DEV_OPTI621
tristate "OPTi 82C621 chipset enhanced support (EXPERIMENTAL)"
depends on PCI && BLK_DEV_IDEPCI && EXPERIMENTAL
help
This is a driver for the OPTi 82C621 EIDE controller.
Please read the comments at the top of <file:drivers/ide/pci/opti621.c>.
config BLK_DEV_RZ1000
tristate "RZ1000 chipset bugfix/support"
depends on PCI && BLK_DEV_IDEPCI && X86
help
The PC-Technologies RZ1000 IDE chip is used on many common 486 and
Pentium motherboards, usually along with the "Neptune" chipset.
Unfortunately, it has a rather nasty design flaw that can cause
severe data corruption under many conditions. Say Y here to include
code which automatically detects and corrects the problem under
Linux. This may slow disk throughput by a few percent, but at least
things will operate 100% reliably.
config BLK_DEV_IDEDMA_PCI
bool "Generic PCI bus-master DMA support"
depends on PCI && BLK_DEV_IDEPCI
---help---
If your PCI system uses IDE drive(s) (as opposed to SCSI, say) and
is capable of bus-master DMA operation (most Pentium PCI systems),
you will want to say Y here to reduce CPU overhead. You can then use
the "hdparm" utility to enable DMA for drives for which it was not
enabled automatically. By default, DMA is not enabled automatically
for these drives, but you can change that by saying Y to the
following question "Use DMA by default when available". You can get
the latest version of the hdparm utility from
<ftp://ibiblio.org/pub/Linux/system/hardware/>.
Read the comments at the beginning of <file:drivers/ide/ide-dma.c>
and the file <file:Documentation/ide.txt> for more information.
It is safe to say Y to this question.
if BLK_DEV_IDEDMA_PCI
config BLK_DEV_IDEDMA_FORCED
bool "Force enable legacy 2.0.X HOSTS to use DMA"
help
This is an old piece of lost code from Linux 2.0 Kernels.
Generally say N here.
config IDEDMA_ONLYDISK
bool "Enable DMA only for disks "
help
This is used if you know your ATAPI Devices are going to fail DMA
Transfers.
Generally say N here.
config BLK_DEV_AEC62XX
tristate "AEC62XX chipset support"
help
This driver adds explicit support for Acard AEC62xx (Artop ATP8xx)
IDE controllers. This allows the kernel to change PIO, DMA and UDMA
speeds and to configure the chip to optimum performance.
config BLK_DEV_ALI15X3
tristate "ALI M15x3 chipset support"
help
This driver ensures (U)DMA support for ALI 1533, 1543 and 1543C
onboard chipsets. It also tests for Simplex mode and enables
normal dual channel support.
If you say Y here, you also need to say Y to "Use DMA by default
when available", above. Please read the comments at the top of
<file:drivers/ide/pci/alim15x3.c>.
If unsure, say N.
config WDC_ALI15X3
bool "ALI M15x3 WDC support (DANGEROUS)"
depends on BLK_DEV_ALI15X3
---help---
This allows for UltraDMA support for WDC drives that ignore CRC
checking. You are a fool for enabling this option, but there have
been requests. DO NOT COMPLAIN IF YOUR DRIVE HAS FS CORRUPTION, IF
YOU ENABLE THIS! No one will listen, just laugh for ignoring this
SERIOUS WARNING.
Using this option can allow WDC drives to run at ATA-4/5 transfer
rates with only an ATA-2 support structure.
SAY N!
config BLK_DEV_AMD74XX
tristate "AMD and nVidia IDE support"
help
This driver adds explicit support for AMD-7xx and AMD-8111 chips
and also for the nVidia nForce chip. This allows the kernel to
change PIO, DMA and UDMA speeds and to configure the chip to
optimum performance.
config BLK_DEV_ATIIXP
tristate "ATI IXP chipset IDE support"
depends on X86
help
This driver adds explicit support for ATI IXP chipset.
This allows the kernel to change PIO, DMA and UDMA speeds
and to configure the chip to optimum performance.
Say Y here if you have an ATI IXP chipset IDE controller.
config BLK_DEV_CMD64X
tristate "CMD64{3|6|8|9} chipset support"
help
Say Y here if you have an IDE controller which uses any of these
chipsets: CMD643, CMD646, or CMD648.
config BLK_DEV_TRIFLEX
tristate "Compaq Triflex IDE support"
help
Say Y here if you have a Compaq Triflex IDE controller, such
as those commonly found on Compaq Pentium-Pro systems
config BLK_DEV_CY82C693
tristate "CY82C693 chipset support"
help
This driver adds detection and support for the CY82C693 chipset
used on Digital's PC-Alpha 164SX boards.
If you say Y here, you need to say Y to "Use DMA by default
when available" as well.
config BLK_DEV_CS5520
tristate "Cyrix CS5510/20 MediaGX chipset support (VERY EXPERIMENTAL)"
depends on EXPERIMENTAL
help
Include support for PIO tuning and virtual DMA on the Cyrix MediaGX
5510/5520 chipset. This will automatically be detected and
configured if found.
It is safe to say Y to this question.
config BLK_DEV_CS5530
tristate "Cyrix/National Semiconductor CS5530 MediaGX chipset support"
help
Include support for UDMA on the Cyrix MediaGX 5530 chipset. This
will automatically be detected and configured if found.
It is safe to say Y to this question.
config BLK_DEV_CS5535
tristate "AMD CS5535 chipset support"
depends on X86 && !X86_64
help
Include support for UDMA on the NSC/AMD CS5535 companion chipset.
This will automatically be detected and configured if found.
It is safe to say Y to this question.
config BLK_DEV_HPT34X
tristate "HPT34X chipset support"
help
This driver adds up to 4 more EIDE devices sharing a single
interrupt. The HPT343 chipset in its current form is a non-bootable
controller; the HPT345/HPT363 chipset is a bootable (needs BIOS FIX)
PCI UDMA controllers. This driver requires dynamic tuning of the
chipset during the ide-probe at boot time. It is reported to support
DVD II drives, by the manufacturer.
config HPT34X_AUTODMA
bool "HPT34X AUTODMA support (EXPERIMENTAL)"
depends on BLK_DEV_HPT34X && EXPERIMENTAL
help
This is a dangerous thing to attempt currently! Please read the
comments at the top of <file:drivers/ide/pci/hpt34x.c>. If you say Y
here, then say Y to "Use DMA by default when available" as well.
If unsure, say N.
config BLK_DEV_HPT366
tristate "HPT36X/37X chipset support"
---help---
HPT366 is an Ultra DMA chipset for ATA-66.
HPT368 is an Ultra DMA chipset for ATA-66 RAID Based.
HPT370 is an Ultra DMA chipset for ATA-100.
HPT372 is an Ultra DMA chipset for ATA-100.
HPT374 is an Ultra DMA chipset for ATA-100.
This driver adds up to 4 more EIDE devices sharing a single
interrupt.
The HPT366 chipset in its current form is bootable. One solution
for this problem are special LILO commands for redirecting the
reference to device 0x80. The other solution is to say Y to "Boot
off-board chipsets first support" (CONFIG_BLK_DEV_OFFBOARD) unless
your mother board has the chipset natively mounted. Regardless one
should use the fore mentioned option and call at LILO or include
"ide=reverse" in LILO's append-line.
This driver requires dynamic tuning of the chipset during the
ide-probe at boot. It is reported to support DVD II drives, by the
manufacturer.
config BLK_DEV_JMICRON
tristate "JMicron JMB36x support"
help
Basic support for the JMicron ATA controllers. For full support
use the libata drivers.
config BLK_DEV_SC1200
tristate "National SCx200 chipset support"
help
This driver adds support for the built in IDE on the National
SCx200 series of embedded x86 "Geode" systems
config BLK_DEV_PIIX
tristate "Intel PIIXn chipsets support"
help
This driver adds explicit support for Intel PIIX and ICH chips
and also for the Efar Victory66 (slc90e66) chip. This allows
the kernel to change PIO, DMA and UDMA speeds and to configure
the chip to optimum performance.
config BLK_DEV_IT8213
tristate "IT8213 IDE support"
help
This driver adds support for the ITE 8213 IDE controller.
config BLK_DEV_IT821X
tristate "IT821X IDE support"
help
This driver adds support for the ITE 8211 IDE controller and the
IT 8212 IDE RAID controller in both RAID and pass-through mode.
config BLK_DEV_NS87415
tristate "NS87415 chipset support"
help
This driver adds detection and support for the NS87415 chip
(used mainly on SPARC64 and PA-RISC machines).
Please read the comments at the top of <file:drivers/ide/pci/ns87415.c>.
config BLK_DEV_PDC202XX_OLD
tristate "PROMISE PDC202{46|62|65|67} support"
help
Promise Ultra33 or PDC20246
Promise Ultra66 or PDC20262
Promise Ultra100 or PDC20265/PDC20267/PDC20268
This driver adds up to 4 more EIDE devices sharing a single
interrupt. This add-on card is a bootable PCI UDMA controller. Since
multiple cards can be installed and there are BIOS ROM problems that
happen if the BIOS revisions of all installed cards (three-max) do
not match, the driver attempts to do dynamic tuning of the chipset
at boot-time for max-speed. Ultra33 BIOS 1.25 or newer is required
for more than one card. This card may require that you say Y to
"Special UDMA Feature".
If you say Y here, you need to say Y to "Use DMA by default when
available" as well.
Please read the comments at the top of
<file:drivers/ide/pci/pdc202xx_old.c>.
If unsure, say N.
config PDC202XX_BURST
bool "Special UDMA Feature"
depends on BLK_DEV_PDC202XX_OLD
help
This option causes the pdc202xx driver to enable UDMA modes on the
PDC202xx even when the PDC202xx BIOS has not done so.
It was originally designed for the PDC20246/Ultra33, whose BIOS will
only setup UDMA on the first two PDC20246 cards. It has also been
used successfully on a PDC20265/Ultra100, allowing use of UDMA modes
when the PDC20265 BIOS has been disabled (for faster boot up).
Please read the comments at the top of
<file:drivers/ide/pci/pdc202xx_old.c>.
If unsure, say N.
config BLK_DEV_PDC202XX_NEW
tristate "PROMISE PDC202{68|69|70|71|75|76|77} support"
config BLK_DEV_SVWKS
tristate "ServerWorks OSB4/CSB5/CSB6 chipsets support"
help
This driver adds PIO/(U)DMA support for the ServerWorks OSB4/CSB5
chipsets.
config BLK_DEV_SGIIOC4
tristate "Silicon Graphics IOC4 chipset ATA/ATAPI support"
depends on (IA64_SGI_SN2 || IA64_GENERIC) && SGI_IOC4
select IDEPCI_SHARE_IRQ
help
This driver adds PIO & MultiMode DMA-2 support for the SGI IOC4
chipset, which has one channel and can support two devices.
Please say Y here if you have an Altix System from SGI.
config BLK_DEV_SIIMAGE
tristate "Silicon Image chipset support"
help
This driver adds PIO/(U)DMA support for the SI CMD680 and SII
3112 (Serial ATA) chips.
config BLK_DEV_SIS5513
tristate "SiS5513 chipset support"
depends on X86
---help---
This driver ensures (U)DMA support for SIS5513 chipset family based
mainboards.
The following chipsets are supported:
ATA16: SiS5511, SiS5513
ATA33: SiS5591, SiS5597, SiS5598, SiS5600
ATA66: SiS530, SiS540, SiS620, SiS630, SiS640
ATA100: SiS635, SiS645, SiS650, SiS730, SiS735, SiS740,
SiS745, SiS750
If you say Y here, you need to say Y to "Use DMA by default when
available" as well.
Please read the comments at the top of <file:drivers/ide/pci/sis5513.c>.
config BLK_DEV_SL82C105
tristate "Winbond SL82c105 support"
depends on (PPC || ARM)
help
If you have a Winbond SL82c105 IDE controller, say Y here to enable
special configuration for this chip. This is common on various CHRP
motherboards, but could be used elsewhere. If in doubt, say Y.
config BLK_DEV_SLC90E66
tristate "SLC90E66 chipset support"
help
This driver ensures (U)DMA support for Victory66 SouthBridges for
SMsC with Intel NorthBridges. This is an Ultra66 based chipset.
The nice thing about it is that you can mix Ultra/DMA/PIO devices
and it will handle timing cycles. Since this is an improved
look-a-like to the PIIX4 it should be a nice addition.
If you say Y here, you need to say Y to "Use DMA by default when
available" as well.
Please read the comments at the top of
<file:drivers/ide/pci/slc90e66.c>.
config BLK_DEV_TRM290
tristate "Tekram TRM290 chipset support"
help
This driver adds support for bus master DMA transfers
using the Tekram TRM290 PCI IDE chip. Volunteers are
needed for further tweaking and development.
Please read the comments at the top of <file:drivers/ide/pci/trm290.c>.
config BLK_DEV_VIA82CXXX
tristate "VIA82CXXX chipset support"
help
This driver adds explicit support for VIA BusMastering IDE chips.
This allows the kernel to change PIO, DMA and UDMA speeds and to
configure the chip to optimum performance.
config BLK_DEV_TC86C001
tristate "Toshiba TC86C001 support"
help
This driver adds support for Toshiba TC86C001 GOKU-S chip.
config BLK_DEV_CELLEB
tristate "Toshiba's Cell Reference Set IDE support"
depends on PPC_CELLEB
help
This driver provides support for the built-in IDE controller on
Toshiba Cell Reference Board.
If unsure, say Y.
endif
config BLK_DEV_IDE_PMAC
bool "Builtin PowerMac IDE support"
depends on PPC_PMAC && IDE=y
help
This driver provides support for the built-in IDE controller on
most of the recent Apple Power Macintoshes and PowerBooks.
If unsure, say Y.
config BLK_DEV_IDE_PMAC_ATA100FIRST
bool "Probe internal ATA/100 (Kauai) first"
depends on BLK_DEV_IDE_PMAC
help
This option will cause the ATA/100 controller found in UniNorth2
based machines (Windtunnel PowerMac, Aluminium PowerBooks, ...)
to be probed before the ATA/66 and ATA/33 controllers. Without
these, those machine used to have the hard disk on hdc and the
CD-ROM on hda. This option changes this to more natural hda for
hard disk and hdc for CD-ROM.
config BLK_DEV_IDEDMA_PMAC
bool "PowerMac IDE DMA support"
depends on BLK_DEV_IDE_PMAC
select BLK_DEV_IDEDMA_PCI
help
This option allows the driver for the built-in IDE controller on
Power Macintoshes and PowerBooks to use DMA (direct memory access)
to transfer data to and from memory. Saying Y is safe and improves
performance.
config BLK_DEV_IDE_SWARM
tristate "IDE for Sibyte evaluation boards"
depends on SIBYTE_SB1xxx_SOC
config BLK_DEV_IDE_AU1XXX
bool "IDE for AMD Alchemy Au1200"
depends on SOC_AU1200
choice
prompt "IDE Mode for AMD Alchemy Au1200"
default CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
config BLK_DEV_IDE_AU1XXX_PIO_DBDMA
bool "PIO+DbDMA IDE for AMD Alchemy Au1200"
config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
bool "MDMA2+DbDMA IDE for AMD Alchemy Au1200"
depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
endchoice
config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
int "Maximum transfer size (KB) per request (up to 128)"
default "128"
depends on BLK_DEV_IDE_AU1XXX
config IDE_ARM
def_bool ARM && (ARCH_A5K || ARCH_CLPS7500 || ARCH_RPC || ARCH_SHARK)
config BLK_DEV_IDE_ICSIDE
tristate "ICS IDE interface support"
depends on ARM && ARCH_ACORN
help
On Acorn systems, say Y here if you wish to use the ICS IDE
interface card. This is not required for ICS partition support.
If you are unsure, say N to this.
config BLK_DEV_IDEDMA_ICS
bool "ICS DMA support"
depends on BLK_DEV_IDE_ICSIDE
help
Say Y here if you want to add DMA (Direct Memory Access) support to
the ICS IDE driver.
config BLK_DEV_IDE_RAPIDE
tristate "RapIDE interface support"
depends on ARM && ARCH_ACORN
help
Say Y here if you want to support the Yellowstone RapIDE controller
manufactured for use with Acorn computers.
config BLK_DEV_IDE_BAST
tristate "Simtec BAST / Thorcom VR1000 IDE support"
depends on ARM && (ARCH_BAST || MACH_VR1000)
help
Say Y here if you want to support the onboard IDE channels on the
Simtec BAST or the Thorcom VR1000
config BLK_DEV_GAYLE
bool "Amiga Gayle IDE interface support"
depends on AMIGA
help
This is the IDE driver for the Amiga Gayle IDE interface. It supports
both the `A1200 style' and `A4000 style' of the Gayle IDE interface,
This includes builtin IDE interfaces on some Amiga models (A600,
A1200, A4000, and A4000T), and IDE interfaces on the Zorro expansion
bus (M-Tech E-Matrix 530 expansion card).
Say Y if you have an Amiga with a Gayle IDE interface and want to use
IDE devices (hard disks, CD-ROM drives, etc.) that are connected to
it.
Note that you also have to enable Zorro bus support if you want to
use Gayle IDE interfaces on the Zorro expansion bus.
config BLK_DEV_IDEDOUBLER
bool "Amiga IDE Doubler support (EXPERIMENTAL)"
depends on BLK_DEV_GAYLE && EXPERIMENTAL
---help---
This driver provides support for the so-called `IDE doublers' (made
by various manufacturers, e.g. Eyetech) that can be connected to the
builtin IDE interface of some Amiga models. Using such an IDE
doubler, you can connect up to four instead of two IDE devices on
the Amiga's builtin IDE interface.
Note that the normal Amiga Gayle IDE driver may not work correctly
if you have an IDE doubler and don't enable this driver!
Say Y if you have an IDE doubler. The driver is enabled at kernel
runtime using the "ide=doubler" kernel boot parameter.
config BLK_DEV_BUDDHA
bool "Buddha/Catweasel/X-Surf IDE interface support (EXPERIMENTAL)"
depends on ZORRO && EXPERIMENTAL
help
This is the IDE driver for the IDE interfaces on the Buddha,
Catweasel and X-Surf expansion boards. It supports up to two interfaces
on the Buddha, three on the Catweasel and two on the X-Surf.
Say Y if you have a Buddha or Catweasel expansion board and want to
use IDE devices (hard disks, CD-ROM drives, etc.) that are connected
to one of its IDE interfaces.
config BLK_DEV_FALCON_IDE
bool "Falcon IDE interface support"
depends on ATARI
help
This is the IDE driver for the builtin IDE interface on the Atari
Falcon. Say Y if you have a Falcon and want to use IDE devices (hard
disks, CD-ROM drives, etc.) that are connected to the builtin IDE
interface.
config BLK_DEV_MAC_IDE
bool "Macintosh Quadra/Powerbook IDE interface support"
depends on MAC
help
This is the IDE driver for the builtin IDE interface on some m68k
Macintosh models. It supports both the `Quadra style' (used in
Quadra/ Centris 630 and Performa 588 models) and `Powerbook style'
(used in the Powerbook 150 and 190 models) IDE interface.
Say Y if you have such an Macintosh model and want to use IDE
devices (hard disks, CD-ROM drives, etc.) that are connected to the
builtin IDE interface.
config BLK_DEV_Q40IDE
bool "Q40/Q60 IDE interface support"
depends on Q40
help
Enable the on-board IDE controller in the Q40/Q60. This should
normally be on; disable it only if you are running a custom hard
drive subsystem through an expansion card.
config BLK_DEV_MPC8xx_IDE
bool "MPC8xx IDE support"
depends on 8xx && IDE=y && BLK_DEV_IDE=y
help
This option provides support for IDE on Motorola MPC8xx Systems.
Please see 'Type of MPC8xx IDE interface' for details.
If unsure, say N.
choice
prompt "Type of MPC8xx IDE interface"
depends on BLK_DEV_MPC8xx_IDE
default IDE_8xx_PCCARD
config IDE_8xx_PCCARD
bool "8xx_PCCARD"
---help---
Select how the IDE devices are connected to the MPC8xx system:
8xx_PCCARD uses the 8xx internal PCMCIA interface in combination
with a PC Card (e.g. ARGOSY portable Hard Disk Adapter),
ATA PC Card HDDs or ATA PC Flash Cards (example: TQM8xxL
systems)
8xx_DIRECT is used for directly connected IDE devices using the 8xx
internal PCMCIA interface (example: IVMS8 systems)
EXT_DIRECT is used for IDE devices directly connected to the 8xx
bus using some glue logic, but _not_ the 8xx internal
PCMCIA interface (example: IDIF860 systems)
config IDE_8xx_DIRECT
bool "8xx_DIRECT"
config IDE_EXT_DIRECT
bool "EXT_DIRECT"
endchoice
# no isa -> no vlb
config IDE_CHIPSETS
bool "Other IDE chipset support"
depends on ISA
---help---
Say Y here if you want to include enhanced support for various IDE
interface chipsets used on motherboards and add-on cards. You can
then pick your particular IDE chip from among the following options.
This enhanced support may be necessary for Linux to be able to
access the 3rd/4th drives in some systems. It may also enable
setting of higher speed I/O rates to improve system performance with
these chipsets. Most of these also require special kernel boot
parameters to actually turn on the support at runtime; you can find
a list of these in the file <file:Documentation/ide.txt>.
People with SCSI-only systems can say N here.
if IDE_CHIPSETS
comment "Note: most of these also require special kernel boot parameters"
config BLK_DEV_4DRIVES
bool "Generic 4 drives/port support"
help
Certain older chipsets, including the Tekram 690CD, use a single set
of I/O ports at 0x1f0 to control up to four drives, instead of the
customary two drives per port. Support for this can be enabled at
runtime using the "ide0=four" kernel boot parameter if you say Y
here.
config BLK_DEV_ALI14XX
tristate "ALI M14xx support"
help
This driver is enabled at runtime using the "ali14xx.probe" kernel
boot parameter. It enables support for the secondary IDE interface
of the ALI M1439/1443/1445/1487/1489 chipsets, and permits faster
I/O speeds to be set as well. See the files
<file:Documentation/ide.txt> and <file:drivers/ide/legacy/ali14xx.c> for
more info.
config BLK_DEV_DTC2278
tristate "DTC-2278 support"
help
This driver is enabled at runtime using the "dtc2278.probe" kernel
boot parameter. It enables support for the secondary IDE interface
of the DTC-2278 card, and permits faster I/O speeds to be set as
well. See the <file:Documentation/ide.txt> and
<file:drivers/ide/legacy/dtc2278.c> files for more info.
config BLK_DEV_HT6560B
tristate "Holtek HT6560B support"
help
This driver is enabled at runtime using the "ht6560b.probe" kernel
boot parameter. It enables support for the secondary IDE interface
of the Holtek card, and permits faster I/O speeds to be set as well.
See the <file:Documentation/ide.txt> and
<file:drivers/ide/legacy/ht6560b.c> files for more info.
config BLK_DEV_QD65XX
tristate "QDI QD65xx support"
help
This driver is enabled at runtime using the "qd65xx.probe" kernel
boot parameter. It permits faster I/O speeds to be set. See the
<file:Documentation/ide.txt> and <file:drivers/ide/legacy/qd65xx.c> for
more info.
config BLK_DEV_UMC8672
tristate "UMC-8672 support"
help
This driver is enabled at runtime using the "umc8672.probe" kernel
boot parameter. It enables support for the secondary IDE interface
of the UMC-8672, and permits faster I/O speeds to be set as well.
See the files <file:Documentation/ide.txt> and
<file:drivers/ide/legacy/umc8672.c> for more info.
endif
config BLK_DEV_IDEDMA
def_bool BLK_DEV_IDEDMA_PCI || BLK_DEV_IDEDMA_PMAC || BLK_DEV_IDEDMA_ICS || BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
config IDEDMA_IVB
bool "IGNORE word93 Validation BITS"
depends on BLK_DEV_IDEDMA_PCI || BLK_DEV_IDEDMA_PMAC || BLK_DEV_IDEDMA_ICS
---help---
There are unclear terms in ATA-4 and ATA-5 standards how certain
hardware (an 80c ribbon) should be detected. Different interpretations
of the standards have been released in hardware. This causes problems:
for example, a host with Ultra Mode 4 (or higher) will not run
in that mode with an 80c ribbon.
If you are experiencing compatibility or performance problems, you
MAY try to answer Y here. However, it does not necessarily solve
any of your problems, it could even cause more of them.
It is normally safe to answer Y; however, the default is N.
endif
config BLK_DEV_HD_ONLY
bool "Old hard disk (MFM/RLL/IDE) driver"
depends on BLK_DEV_IDE=n
help
There are two drivers for MFM/RLL/IDE hard disks. Most people use
the newer enhanced driver, but this old one is still around for two
reasons. Some older systems have strange timing problems and seem to
work only with the old driver (which itself does not work with some
newer systems). The other reason is that the old driver is smaller,
since it lacks the enhanced functionality of the new one. This makes
it a good choice for systems with very tight memory restrictions, or
for systems with only older MFM/RLL/ESDI drives. Choosing the old
driver can save 13 KB or so of kernel memory.
If you are unsure, then just choose the Enhanced IDE/MFM/RLL driver
instead of this one. For more detailed information, read the
Disk-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
config BLK_DEV_HD
def_bool BLK_DEV_HD_IDE || BLK_DEV_HD_ONLY
endif
endmenu
endif
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