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S3C24XX ARM Linux Overview

已有 483 次阅读2011-4-10 07:48

   S3C24XX ARM Linux Overview
   ==========================
 
Introduction
------------
  The Samsung S3C24XX range of ARM9 System-on-Chip CPUs are supported
  by the 's3c2410' architecture of ARM Linux. Currently the S3C2410 and
  the S3C2440 are supported CPUs.

Configuration
-------------
  A generic S3C2410 configuration is provided, and can be used as the
  default by `make s3c2410_defconfig`. This configuration has support
  for all the machines, and the commonly used features on them.
  Certain machines may have their own default configurations as well,
  please check the machine specific documentation.

Machines
--------
  The currently supported machines are as follows:
  Simtec Electronics EB2410ITX (BAST)
    A general purpose development board, see EB2410ITX.txt for further
    details
  Samsung SMDK2410
    Samsung's own development board, geared for PDA work.
  Samsung/Meritech SMDK2440
    The S3C2440 compatible version of the SMDK2440
  Thorcom VR1000
    Custom embedded board
  HP IPAQ 1940
    Handheld (IPAQ), available in several varieties
  HP iPAQ rx3715
    S3C2440 based IPAQ, with a number of variations depending on
    features shipped.
  Acer N30
    A S3C2410 based PDA from Acer.  There is a Wiki page at
    http://handhelds.org/moin/moin.cgi/AcerN30Documentation .

Adding New Machines
-------------------
  The archicture has been designed to support as many machines as can
  be configured for it in one kernel build, and any future additions
  should keep this in mind before altering items outside of their own
  machine files.
  Machine definitions should be kept in linux/arch/arm/mach-s3c2410,
  and there are a number of examples that can be looked at.
  Read the kernel patch submission policies as well as the
  Documentation/arm directory before submitting patches. The
  ARM kernel series is managed by Russell King, and has a patch system
  located at http://www.arm.linux.org.uk/developer/patches/
  as well as mailing lists that can be found from the same site.
  As a courtesy, please notify <ben-linux@fluff.org> of any new
  machines or other modifications.
  Any large scale modifications, or new drivers should be discussed
  on the ARM kernel mailing list (linux-arm-kernel) before being
  attempted.

NAND
----
  The current kernels now have support for the s3c2410 NAND
  controller. If there are any problems the latest linux-mtd
  CVS can be found from http://www.linux-mtd.infradead.org/

Serial
------
  The s3c2410 serial driver provides support for the internal
  serial ports. These devices appear as /dev/ttySAC0 through 3.
  To create device nodes for these, use the following commands
    mknod ttySAC0 c 204 64
    mknod ttySAC1 c 204 65
    mknod ttySAC2 c 204 66

GPIO
----
  The core contains support for manipulating the GPIO, see the
  documentation in GPIO.txt in the same directory as this file.

Clock Management
----------------
  The core provides the interface defined in the header file
  include/asm-arm/hardware/clock.h, to allow control over the
  various clock units

Port Contributors
-----------------
  Ben Dooks (BJD)
  Vincent Sanders
  Herbert Potzl
  Arnaud Patard (RTP)
  Roc Wu
  Klaus Fetscher
  Dimitry Andric
  Shannon Holland
  Guillaume Gourat (NexVision)
  Christer Weinigel (wingel) (Acer N30)
  Lucas Correia Villa Real (S3C2400 port)

Document Changes
----------------
  05 Sep 2004 - BJD - Added Document Changes section
  05 Sep 2004 - BJD - Added Klaus Fetscher to list of contributors
  25 Oct 2004 - BJD - Added Dimitry Andric to list of contributors
  25 Oct 2004 - BJD - Updated the MTD from the 2.6.9 merge
  21 Jan 2005 - BJD - Added rx3715, added Shannon to contributors
  10 Feb 2005 - BJD - Added Guillaume Gourat to contributors
  02 Mar 2005 - BJD - Added SMDK2440 to list of machines
  06 Mar 2005 - BJD - Added Christer Weinigel
  08 Mar 2005 - BJD - Added LCVR to list of people, updated introduction
  08 Mar 2005 - BJD - Added section on adding machines
Document Author
---------------
Ben Dooks, (c) 2004-2005 Simtec Electronics

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