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Samsung ARM Linux Overview
==========================
Introduction
------------
The Samsung range of ARM SoCs spans many similar devices, from the initial
ARM9 through to the newest ARM cores. This document shows an overview of
the current kernel support, how to use it and where to find the code
that supports this.
The currently supported SoCs are:
- S3C24XX: See Documentation/arm/Samsung-S3C24XX/Overview.txt for full list
- S3C64XX: S3C6400 and S3C6410
- S5PC100
- S5PC110 / S5PV210
S3C24XX Systems
---------------
There is still documentation in Documnetation/arm/Samsung-S3C24XX/ which
deals with the architecture and drivers specific to these devices.
See Documentation/arm/Samsung-S3C24XX/Overview.txt for more information
on the implementation details and specific support.
Configuration
-------------
A number of configurations are supplied, as there is no current way of
unifying all the SoCs into one kernel.
s5pc100_defconfig - S5PC100 specific default configuration
s5pc110_defconfig - S5PC110 specific default configuration
s5pv210_defconfig - S5PV210 specific default configuration
Layout
------
The directory layout is currently being restructured, and consists of
several platform directories and then the machine specific directories
of the CPUs being built for.
plat-samsung provides the base for all the implementations, and is the
last in the line of include directories that are processed for the build
specific information. It contains the base clock, GPIO and device definitions
to get the system running.
plat-s3c24xx is for s3c24xx specific builds, see the S3C24XX docs.
plat-s5p is for s5p specific builds, and contains common support for the
S5P specific systems. Not all S5Ps use all the features in this directory
due to differences in the hardware.
Layout changes
--------------
The old plat-s3c and plat-s5pc1xx directories have been removed, with
support moved to either plat-samsung or plat-s5p as necessary. These moves
where to simplify the include and dependency issues involved with having
so many different platform directories.
It was decided to remove plat-s5pc1xx as some of the support was already
in plat-s5p or plat-samsung, with the S5PC110 support added with S5PV210
the only user was the S5PC100. The S5PC100 specific items where moved to
arch/arm/mach-s5pc100.
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 Author
---------------
Copyright 2009-2010 Ben Dooks <ben-linux@fluff.org>
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