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This adds the glue code for the i.MX SATA controller. This controller
needs some i.MX specific setup and some SoC specific setting outside
the controller itself. The code for setting up the correct clock source
for the SATA phy has been taken from U-Boot.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This adds ahci controller support based on U-Boot ahci support. Unlike
U-Boot we do not push the SCSI layer in between, but use the ata interface
directly. Tested on a Freescale i.MX53.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Currently we only support oldschool IDE SFF devices. This is done
by registering a register layout struct and everything else is done
by the generic IDE SFF driver. Since modern ATA devices still use
ATA, but not the SFF interface anymore, split out the IDE SFF support
to a separate file to allow for other types of ata interfaces.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Straight forward driver, we only have to configure some additional
bits and then use the generic ide support.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This simple driver enables a generic driver for ATA type of devices to get
access to the so called 'register file' of an ATA drive.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This changed patch removes more of the u-boot like code and replace it with
kernel like code.
commit 2a8966936af6b54573483ade559d0633e489b515
Author: Juergen Beisert <jbe@pengutronix.de>
Date: Fri Sep 30 15:06:26 2011 +0200
ATA Disk Support: Add support for native ATA type drives
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Using the BIOS to access attached hard disks means a full disk driver, not only
an interface to the drives.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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'ATA' means more an interface than a disk drive. Change the names to reflect
their real meaning.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is a low level disk drive communication driver. It uses the real mode
BIOS found on most x86 platforms, to read and write sectors. Used by the
generic disk driver.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is the generic disk driver. It does not know how to access the drives.
Other low level drivers are required for this.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add the basic files, declarations and folders to bring in ATA support.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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