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-README for MIPS AU1XXX IDE driver - Released 2005-07-15
-
-ABOUT
------
-This file describes the 'drivers/ide/mips/au1xxx-ide.c', related files and the
-services they provide.
-
-If you are short in patience and just want to know how to add your hard disc to
-the white or black list, go to the 'ADD NEW HARD DISC TO WHITE OR BLACK LIST'
-section.
-
-
-LICENSE
--------
-
-Copyright (c) 2003-2005 AMD, Personal Connectivity Solutions
-
-This program is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free Software
-Foundation; either version 2 of the License, or (at your option) any later
-version.
-
-THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
-INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
-BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-
-You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc.,
-675 Mass Ave, Cambridge, MA 02139, USA.
-
-Note: for more information, please refer "AMD Alchemy Au1200/Au1550 IDE
- Interface and Linux Device Driver" Application Note.
-
-
-FILES, CONFIGS AND COMPATIBILITY
---------------------------------
-
-Two files are introduced:
-
- a) 'arch/mips/include/asm/mach-au1x00/au1xxx_ide.h'
- contains : struct _auide_hwif
- timing parameters for PIO mode 0/1/2/3/4
- timing parameters for MWDMA 0/1/2
-
- b) 'drivers/ide/mips/au1xxx-ide.c'
- contains the functionality of the AU1XXX IDE driver
-
-Following extra configs variables are introduced:
-
- CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA - enable the PIO+DBDMA mode
- CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - enable the MWDMA mode
- CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON - set Burstable FIFO in DBDMA
- controller
-
-
-SUPPORTED IDE MODES
--------------------
-
-The AU1XXX IDE driver supported all PIO modes - PIO mode 0/1/2/3/4 - and all
-MWDMA modes - MWDMA 0/1/2 -. There is no support for SWDMA and UDMA mode.
-
-To change the PIO mode use the program hdparm with option -p, e.g.
-'hdparm -p0 [device]' for PIO mode 0. To enable the MWDMA mode use the option
--X, e.g. 'hdparm -X32 [device]' for MWDMA mode 0.
-
-
-PERFORMANCE CONFIGURATIONS
---------------------------
-
-If the used system doesn't need USB support enable the following kernel configs:
-
-CONFIG_IDE=y
-CONFIG_BLK_DEV_IDE=y
-CONFIG_IDE_GENERIC=y
-CONFIG_BLK_DEV_IDEPCI=y
-CONFIG_BLK_DEV_GENERIC=y
-CONFIG_BLK_DEV_IDEDMA_PCI=y
-CONFIG_IDEDMA_PCI_AUTO=y
-CONFIG_BLK_DEV_IDE_AU1XXX=y
-CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA=y
-CONFIG_BLK_DEV_IDEDMA=y
-CONFIG_IDEDMA_AUTO=y
-
-Also define 'IDE_AU1XXX_BURSTMODE' in 'drivers/ide/mips/au1xxx-ide.c' to enable
-the burst support on DBDMA controller.
-
-If the used system need the USB support enable the following kernel configs for
-high IDE to USB throughput.
-
-CONFIG_BLK_DEV_IDEDISK=y
-CONFIG_IDE_GENERIC=y
-CONFIG_BLK_DEV_IDEPCI=y
-CONFIG_BLK_DEV_GENERIC=y
-CONFIG_BLK_DEV_IDEDMA_PCI=y
-CONFIG_IDEDMA_PCI_AUTO=y
-CONFIG_BLK_DEV_IDE_AU1XXX=y
-CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA=y
-CONFIG_BLK_DEV_IDEDMA=y
-CONFIG_IDEDMA_AUTO=y
-
-Also undefine 'IDE_AU1XXX_BURSTMODE' in 'drivers/ide/mips/au1xxx-ide.c' to
-disable the burst support on DBDMA controller.
-
-
-ACKNOWLEDGMENTS
----------------
-
-These drivers wouldn't have been done without the base of kernel 2.4.x AU1XXX
-IDE driver from AMD.
-
-Additional input also from:
-Matthias Lenk <matthias.lenk@amd.com>
-
-Happy hacking!
-Enrico Walther <enrico.walther@amd.com>