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This driver nicely wraps around pata_platform library functions,
and provides OF platform bus bindings to the PATA devices.
Also add || PPC to the PATA_PLATFORM's "depends on" Kconfig entry,
needed for PA Semi Electra.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patch adds support for Freescale 3.0Gbps SATA Controller supporting
Native Command Queueing(NCQ), device hotplug, and ATAPI. This controller
can be found on MPC8315 and MPC8378.
Signed-off-by: Ashish Kalra <ashish.kalra@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This is a driver for the ATA controller on the Geode CS5536 companion
chip. The PCI device ID for this device was previously claimed by
pata_amd.c but the PIO timings were not correct. This driver also
works around a bug in some BIOSes that handle unaligned access to the
PCI config registers poorly. Finally, the driver allows fallback to
using MSR registers for configuration on BIOSes that are truly
broken.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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On a cable there may be
eighty wires or perhaps forty
and we learn about its type
In the world of ACPI
So we call the GTM
And we find the the timing rate
And we look through it to see
If eighty wire it must be
Timing lives in ACPI routines
ACPI routines, ACPI routines
Timing lives in ACPI routines
ACPI routes ACPI routines
And the drivers last you see
Picking up unknown pci ids
and the code begins to work
Timing lives in ACPI routines
ACPI routines, ACPI routines
Timing lives in ACPI routines
ACPI routes ACPI routines
[Full speed ahead, Mr Hacker, full speed ahead]
Full speed over here sir!
Checking Cable, checking cable
Aye aye, 80 wire,
Heaven heaven]
If we use ACPI (ACPI)
Every box (every box) has all we need (has all we need)
Cable type (cable type) and mode timing (mode timing)
In our ATA (in our ATA) subroutines (subroutines, ha ha)
Timing lives in ACPI routines
ACPI routines, ACPI routines
Timing lives in ACPI routines
ACPI routes ACPI routines
Timing lives in ACPI routines
ACPI routines, ACPI routines
Timing lives in ACPI routines
ACPI routes ACPI routines
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Implement Port Multiplier support. To support PMP, a LLDD has to
supply ops->pmp_read() and pmp_write(). If non-null, ->pmp_attach and
->pmp_detach are called on PMP attach and detach, respectively.
->pmp_read/write() can be called while the port is frozen, so they
must be implemented by polling. This patch supplies several helpers
to ease ->pmp_read/write() implementation.
Also, irq_handler and error_handler must be PMP aware. Most of PMP
aware EH can be done by calling ata_pmp_do_eh() with appropriate
methods. PMP EH uses separate set of reset methods and this patch
implements standard prereset, hardreset and postreset methods.
This patch only implements PMP support. The next patch will integrate
PMP into the reset of libata and thus enable PMP support.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Alan Cox <alan@redhat.com>
[plus SuperIO fixes by Kyle McMartin]
[plus a cleanup from me]
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Updated and simplified driver. Use only register transfer timing for both
data and register transfers. This gives poorer performance in PIO1 and 2,
but should not be a problem in PIO3 and 4, correct me if I'm wrong :)
The driver works very we'll but I still wonder about the interrupts. I have
an interrupt line, that works nicely when POLLING flag is not set. The
problem is the number of interrupts that eat away my CPU cycles.
When using the POLLING flag there seem to be some interrupts that dosen't get
cleared. Furthermore the device dosen't drive INTRQ high, it stays at 2.5 volts
and generates a lot of interrupts due to ripple / noise. What to do?
Signed-off-by: Kristoffer Nyborg Gregertsen <kngregertsen@norway.atmel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix all issues pointed out in Jeff's email.
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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ACPI applies to both SATA and PATA. Drop the 'S' from the config
variable.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (82 commits)
[ARM] Add comments marking in-use ptrace numbers
[ARM] Move syscall saving out of the way of utrace
[ARM] 4360/1: S3C24XX: regs-udc.h remove unused macro
[ARM] 4358/1: S3C24XX: mach-qt2410.c: remove linux/mmc/protocol.h header
[ARM] mm 10: allow memory type to be specified with ioremap
[ARM] mm 9: add additional device memory types
[ARM] mm 8: define mem_types table L1 bit 4 to be for ARMv6
[ARM] iop: add missing parens in macro
[ARM] mm 7: remove duplicated __ioremap() prototypes
ARM: OMAP: fix OMAP1 mpuio suspend/resume oops
ARM: OMAP: MPUIO wake updates
ARM: OMAP: speed up gpio irq handling
ARM: OMAP: plat-omap changes for 2430 SDP
ARM: OMAP: gpio object shrinkage, cleanup
ARM: OMAP: /sys/kernel/debug/omap_gpio
ARM: OMAP: Implement workaround for GPIO wakeup bug in OMAP2420 silicon
ARM: OMAP: Enable 24xx GPIO autoidling
[ARM] 4318/2: DSM-G600 Board Support
[ARM] 4227/1: minor head.S fixups
[ARM] 4328/1: Move i.MX UART regs to driver
...
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Support for the PCI CMD640 (not VLB)
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This is the patch for PATA controller of Celleb.
This driver uses the managed iomap (devres).
Because this driver needs special taskfile accesses, there is
a copy of ata_std_softreset(). ata_dev_try_classify() is exported
so that it can be used in this function.
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Akira Iguchi <akira2.iguchi@toshiba.co.jp>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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_GTF is an acpi method that is used to reinitialize the drive. It returns
a task file containing ata commands that are sent back to the drive to restore
it to boot up defaults.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
(cherry picked from 9c69cab24b51a89664f4c0dfaf8a436d32117624 commit)
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Driver for Initio 162x SATA controllers. ATA r/w, ATAPI r, hotplug
and suspend/resume work. ATAPI w (recording, that is) broken. Feel
free to fix it, but be warned, this controller is weird.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch adds initial libata support for the Freescale
MPC5200 integrated IDE controller.
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add a driver for the IT8213 which is a single channel ICH-ish PATA
controller. As it is very different to the IT8211/2 it gets its own
driver. There is a legacy drivers/ide driver also available and I'll post
that once I get time to test it all out (probably early January). If
anyone else needs the drivers/ide driver and wants to do the merge for
drivers/ide (Bart ??) then I'll forward it.
[akpm@osdl.org: add PCI ID, constify needed_pio[]]
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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needs a changelog
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This is a legacy mode PATA driver for the 6101/45 and will also drive
the SATA ports 1 & 2 in legacy mode as well if desired. Tested and
confirmed working by users. The chip supports AHCI type behaviour for
SATA and has a more advanced PATA interface as well so this driver will
get it working but not get best performance for now.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Winbond 83759A support in non-multichip mode (afaik nobody ever used
multichip mode anyway). The 83759 is not supported by this driver as it
is already handled elsewhere and doens't use the same interfaces.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This MIPS platform is going away.
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Someone on LKML noticed it was missing (sorry, missed the name).
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The vast majority of drivers and changes are from Alan Cox. Albert Lee
contributed and maintains pata_pdc2027x. Adrian Bunk, Andrew Morton,
and Tejun Heo contributed various minor fixes and updates.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Since some SAS drivers need libata, we can no longer use the rule that
auto-builds libata.ko as needed. We must instead depend on Kconfig to
determine when to build the library kernel module.
Noticed by Brian King @ IBM.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Jeff Garzik <jeff@garzik.org>
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