Barebox not contain symbol DISK_DRIVE, so remove all references to it.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This patch provides a global cleanup barebox Kconfig files. This includes
replacing spaces to tabs, formatting in accordance format, removing
extraneous lines and spaces. No functional changes.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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>
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>
ATA devices using DMA may need a sufficiently aligned buffer, so use
dma_alloc instead of regular malloc.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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>
Some status flags are wrong, fix them. All of them are currently unused,
so no functional change included.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Using /dev/disk* for every type of device is not helpful. It increases
the chance that the user doesn't know which file corresponds to which
device. So rename ata device files to /dev/ata*. Also add a dev_info
about which device just has been registered.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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>
The FSF address has changed in the past. Instead of updating it
each time the address changes, just drop it completely treewide.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The Linux Kernel defines only one of __LITTLE_ENDIAN and
__BIG_ENDIAN. Endianess can then be tested with #ifdef __xx_ENDIAN. Userspace
always defined both __LITTLE_ENDIAN and __BIG_ENDIAN and byteorder can then
be tested with #if __BYTE_ORDER == __xx_ENDIAN.
As we tend to use a lot of Kernel code in barebox we switch to use the kernel
way of determing the byte order.
As this always causes a lot of confusion add a check to include/common.h to
make sure only one of __LITTLE_ENDIAN and __BIG_ENDIAN is defined.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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>
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>
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>
'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>
The BIOS based disk driver makes no sense without the generic disk support.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Only the platform sets this entry to setup the correct size or
signals the driver to guess the size of the attached disk.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Guessing the size of an attached harddisk (access via x86 BIOS) was needed
due to the fact, barebox can't query this information from the BIOS easily.
But with the SD/MMC cards, there will be a second user of the generic disk
handling routines. And with this media it is very easy to know its size.
This patch provides a workaround to keep the guessing feature if the size of
the registered disk is 0. If it is not 0, the given value will be used instead.
Note: This is in preparation to add MCI card support, which can be handled
like a disk drive.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Using a temp. buffer for a disk sector on the stack, seems not work. Doing so
lets the system run crazy (the stack seems to be destroyd). Don't know the
correct stack handling on ARM, but (IMHO) I also can exclude any writing across
the buffer boundaries.
Using a temp. buffer via malloc() runs also on ARM.
Note: This patch was required to add MCI card support, which can be handled
like a disk drive.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
In real life this output is only a "nice to have", but most of the time
its useless and confusing. So, make it a debug feature for the interested
developer.
Note: This is in preparation to add MCI card support, which mostly come with
a partition table and can be handled like a disk drive.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Remove error handling, because in case of failure the xzalloc() function
does not return.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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>
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>
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>
Alexander Shiyan
Alexander Aring
Sascha Hauer
Jean-Christophe PLAGNIOL-VILLARD
Juergen Beisert
Fabian van der Werf