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    Contents of /alx-src/trunk/kernel26-alx/linux/Documentation/arm/Samsung-S3C24XX/Overview.txt

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    Wed Mar 4 10:48:58 2009 UTC (15 years, 1 month ago) by niro
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    import linux sources based on 2.6.12-alx-r9:
 -using linux-2.6.12.6
 -using 2.6.12-ck6 patch set
 -using fbsplash-0.9.2-r3
 -using vesafb-tng-0.9-rc7
 -using squashfs-2.2
 -added cddvd-cmdfilter-drop.patch as ck dropped it
 -added via-epia-dri (cle266) patch
 -added zd1211-svn-32 wlan driver (http://zd1211.ath.cx/download/)
 -added debian patches to zd1211 for wep256 etc
    1 S3C24XX ARM Linux Overview
    2 ==========================
    3
    4
    5
    6 Introduction
    7 ------------
    8
    9 The Samsung S3C24XX range of ARM9 System-on-Chip CPUs are supported
    10 by the 's3c2410' architecture of ARM Linux. Currently the S3C2410 and
    11 the S3C2440 are supported CPUs.
    12
    13
    14 Configuration
    15 -------------
    16
    17 A generic S3C2410 configuration is provided, and can be used as the
    18 default by `make s3c2410_defconfig`. This configuration has support
    19 for all the machines, and the commonly used features on them.
    20
    21 Certain machines may have their own default configurations as well,
    22 please check the machine specific documentation.
    23
    24
    25 Machines
    26 --------
    27
    28 The currently supported machines are as follows:
    29
    30 Simtec Electronics EB2410ITX (BAST)
    31
    32 A general purpose development board, see EB2410ITX.txt for further
    33 details
    34
    35 Samsung SMDK2410
    36
    37 Samsung's own development board, geared for PDA work.
    38
    39 Samsung/Meritech SMDK2440
    40
    41 The S3C2440 compatible version of the SMDK2440
    42
    43 Thorcom VR1000
    44
    45 Custom embedded board
    46
    47 HP IPAQ 1940
    48
    49 Handheld (IPAQ), available in several varieties
    50
    51 HP iPAQ rx3715
    52
    53 S3C2440 based IPAQ, with a number of variations depending on
    54 features shipped.
    55
    56 Acer N30
    57
    58 A S3C2410 based PDA from Acer. There is a Wiki page at
    59 http://handhelds.org/moin/moin.cgi/AcerN30Documentation .
    60
    61
    62 Adding New Machines
    63 -------------------
    64
    65 The archicture has been designed to support as many machines as can
    66 be configured for it in one kernel build, and any future additions
    67 should keep this in mind before altering items outside of their own
    68 machine files.
    69
    70 Machine definitions should be kept in linux/arch/arm/mach-s3c2410,
    71 and there are a number of examples that can be looked at.
    72
    73 Read the kernel patch submission policies as well as the
    74 Documentation/arm directory before submitting patches. The
    75 ARM kernel series is managed by Russell King, and has a patch system
    76 located at http://www.arm.linux.org.uk/developer/patches/
    77 as well as mailing lists that can be found from the same site.
    78
    79 As a courtesy, please notify <ben-linux@fluff.org> of any new
    80 machines or other modifications.
    81
    82 Any large scale modifications, or new drivers should be discussed
    83 on the ARM kernel mailing list (linux-arm-kernel) before being
    84 attempted.
    85
    86
    87 NAND
    88 ----
    89
    90 The current kernels now have support for the s3c2410 NAND
    91 controller. If there are any problems the latest linux-mtd
    92 CVS can be found from http://www.linux-mtd.infradead.org/
    93
    94
    95 Serial
    96 ------
    97
    98 The s3c2410 serial driver provides support for the internal
    99 serial ports. These devices appear as /dev/ttySAC0 through 3.
    100
    101 To create device nodes for these, use the following commands
    102
    103 mknod ttySAC0 c 204 64
    104 mknod ttySAC1 c 204 65
    105 mknod ttySAC2 c 204 66
    106
    107
    108 GPIO
    109 ----
    110
    111 The core contains support for manipulating the GPIO, see the
    112 documentation in GPIO.txt in the same directory as this file.
    113
    114
    115 Clock Management
    116 ----------------
    117
    118 The core provides the interface defined in the header file
    119 include/asm-arm/hardware/clock.h, to allow control over the
    120 various clock units
    121
    122
    123 Port Contributors
    124 -----------------
    125
    126 Ben Dooks (BJD)
    127 Vincent Sanders
    128 Herbert Potzl
    129 Arnaud Patard (RTP)
    130 Roc Wu
    131 Klaus Fetscher
    132 Dimitry Andric
    133 Shannon Holland
    134 Guillaume Gourat (NexVision)
    135 Christer Weinigel (wingel) (Acer N30)
    136 Lucas Correia Villa Real (S3C2400 port)
    137
    138
    139 Document Changes
    140 ----------------
    141
    142 05 Sep 2004 - BJD - Added Document Changes section
    143 05 Sep 2004 - BJD - Added Klaus Fetscher to list of contributors
    144 25 Oct 2004 - BJD - Added Dimitry Andric to list of contributors
    145 25 Oct 2004 - BJD - Updated the MTD from the 2.6.9 merge
    146 21 Jan 2005 - BJD - Added rx3715, added Shannon to contributors
    147 10 Feb 2005 - BJD - Added Guillaume Gourat to contributors
    148 02 Mar 2005 - BJD - Added SMDK2440 to list of machines
    149 06 Mar 2005 - BJD - Added Christer Weinigel
    150 08 Mar 2005 - BJD - Added LCVR to list of people, updated introduction
    151 08 Mar 2005 - BJD - Added section on adding machines
    152
    153 Document Author
    154 ---------------
    155
    156 Ben Dooks, (c) 2004-2005 Simtec Electronics