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docs: mips: remove no longer needed au1xxx_ide.rst documentation
Since the au1xxx-ide IDE host driver is no longer needed its documentation can be removed. Acked-by: Manuel Lauss <manuel.lauss@gmail.com> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Bartlomiej Zolnierkiewicz
Thomas Bogendoerfer
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.. include:: <isonum.txt>
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======================
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MIPS AU1XXX IDE driver
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======================
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Released 2005-07-15
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About
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=====
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This file describes the 'drivers/ide/au1xxx-ide.c', related files and the
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services they provide.
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If you are short in patience and just want to know how to add your hard disc to
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the white or black list, go to the 'ADD NEW HARD DISC TO WHITE OR BLACK LIST'
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section.
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License
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=======
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:Copyright: |copy| 2003-2005 AMD, Personal Connectivity Solutions
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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THIS SOFTWARE IS PROVIDED ``AS IS`` AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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675 Mass Ave, Cambridge, MA 02139, USA.
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Note:
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for more information, please refer "AMD Alchemy Au1200/Au1550 IDE
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Interface and Linux Device Driver" Application Note.
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Files, Configs and Compatibility
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================================
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Two files are introduced:
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a) 'arch/mips/include/asm/mach-au1x00/au1xxx_ide.h'
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contains : struct _auide_hwif
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- timing parameters for PIO mode 0/1/2/3/4
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- timing parameters for MWDMA 0/1/2
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b) 'drivers/ide/mips/au1xxx-ide.c'
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contains the functionality of the AU1XXX IDE driver
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Following extra configs variables are introduced:
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CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
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- enable the PIO+DBDMA mode
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CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
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- enable the MWDMA mode
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Supported IDE Modes
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===================
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The AU1XXX IDE driver supported all PIO modes - PIO mode 0/1/2/3/4 - and all
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MWDMA modes - MWDMA 0/1/2 -. There is no support for SWDMA and UDMA mode.
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To change the PIO mode use the program hdparm with option -p, e.g.
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'hdparm -p0 [device]' for PIO mode 0. To enable the MWDMA mode use the option
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-X, e.g. 'hdparm -X32 [device]' for MWDMA mode 0.
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Performance Configurations
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==========================
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If the used system doesn't need USB support enable the following kernel
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configs::
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CONFIG_IDE=y
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CONFIG_BLK_DEV_IDE=y
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CONFIG_IDE_GENERIC=y
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CONFIG_BLK_DEV_IDEPCI=y
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CONFIG_BLK_DEV_GENERIC=y
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CONFIG_BLK_DEV_IDEDMA_PCI=y
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CONFIG_BLK_DEV_IDE_AU1XXX=y
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CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA=y
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CONFIG_BLK_DEV_IDEDMA=y
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Also define 'IDE_AU1XXX_BURSTMODE' in 'drivers/ide/mips/au1xxx-ide.c' to enable
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the burst support on DBDMA controller.
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If the used system need the USB support enable the following kernel configs for
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high IDE to USB throughput.
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::
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CONFIG_IDE_GENERIC=y
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CONFIG_BLK_DEV_IDEPCI=y
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CONFIG_BLK_DEV_GENERIC=y
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CONFIG_BLK_DEV_IDEDMA_PCI=y
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CONFIG_BLK_DEV_IDE_AU1XXX=y
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CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA=y
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CONFIG_BLK_DEV_IDEDMA=y
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Also undefine 'IDE_AU1XXX_BURSTMODE' in 'drivers/ide/mips/au1xxx-ide.c' to
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disable the burst support on DBDMA controller.
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Acknowledgments
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===============
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These drivers wouldn't have been done without the base of kernel 2.4.x AU1XXX
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IDE driver from AMD.
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Additional input also from:
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Matthias Lenk <matthias.lenk@amd.com>
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Happy hacking!
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Enrico Walther <enrico.walther@amd.com>
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@ -10,8 +10,6 @@ MIPS-specific Documentation
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ingenic-tcu
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ingenic-tcu
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au1xxx_ide
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.. only:: subproject and html
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.. only:: subproject and html
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Indices
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Indices
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