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authorJonathan Corbet <corbet@lwn.net>2023-05-04 01:47:22 +0300
committerJonathan Corbet <corbet@lwn.net>2023-06-12 15:33:40 +0300
commite790a4ce529041bb21ec0b69a38c1b92f29df2cf (patch)
tree56f44e5f8f8fe8d94d43a4bd7743e82e4e7889d6 /Documentation/arm/spear
parentf1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6 (diff)
downloadlinux-e790a4ce529041bb21ec0b69a38c1b92f29df2cf.tar.xz
arm: docs: Move Arm documentation to Documentation/arch/
Architecture-specific documentation is being moved into Documentation/arch/ as a way of cleaning up the top-level documentation directory and making the docs hierarchy more closely match the source hierarchy. Move Documentation/arm into arch/ (along with the Chinese equvalent translations). Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Jernej Skrabec <jernej.skrabec@gmail.com> Cc: Samuel Holland <samuel@sholland.org> Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Alex Shi <alexs@kernel.org> Cc: linux-doc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-arch@vger.kernel.org Acked-by: Alexandre TORGUE <alexandre.torgue@foss.st.com> Reviewed-by: Yanteng Si <siyanteng@loongson.cn> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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-========================
-SPEAr ARM Linux Overview
-========================
-
-Introduction
-------------
-
- SPEAr (Structured Processor Enhanced Architecture).
- weblink : http://www.st.com/spear
-
- The ST Microelectronics SPEAr range of ARM9/CortexA9 System-on-Chip CPUs are
- supported by the 'spear' platform of ARM Linux. Currently SPEAr1310,
- SPEAr1340, SPEAr300, SPEAr310, SPEAr320 and SPEAr600 SOCs are supported.
-
- Hierarchy in SPEAr is as follows:
-
- SPEAr (Platform)
-
- - SPEAr3XX (3XX SOC series, based on ARM9)
- - SPEAr300 (SOC)
- - SPEAr300 Evaluation Board
- - SPEAr310 (SOC)
- - SPEAr310 Evaluation Board
- - SPEAr320 (SOC)
- - SPEAr320 Evaluation Board
- - SPEAr6XX (6XX SOC series, based on ARM9)
- - SPEAr600 (SOC)
- - SPEAr600 Evaluation Board
- - SPEAr13XX (13XX SOC series, based on ARM CORTEXA9)
- - SPEAr1310 (SOC)
- - SPEAr1310 Evaluation Board
- - SPEAr1340 (SOC)
- - SPEAr1340 Evaluation Board
-
-Configuration
--------------
-
- A generic configuration is provided for each machine, and can be used as the
- default by::
-
- make spear13xx_defconfig
- make spear3xx_defconfig
- make spear6xx_defconfig
-
-Layout
-------
-
- The common files for multiple machine families (SPEAr3xx, SPEAr6xx and
- SPEAr13xx) are located in the platform code contained in arch/arm/plat-spear
- with headers in plat/.
-
- Each machine series have a directory with name arch/arm/mach-spear followed by
- series name. Like mach-spear3xx, mach-spear6xx and mach-spear13xx.
-
- Common file for machines of spear3xx family is mach-spear3xx/spear3xx.c, for
- spear6xx is mach-spear6xx/spear6xx.c and for spear13xx family is
- mach-spear13xx/spear13xx.c. mach-spear* also contain soc/machine specific
- files, like spear1310.c, spear1340.c spear300.c, spear310.c, spear320.c and
- spear600.c. mach-spear* doesn't contains board specific files as they fully
- support Flattened Device Tree.
-
-
-Document Author
----------------
-
- Viresh Kumar <vireshk@kernel.org>, (c) 2010-2012 ST Microelectronics