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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 <viresh.linux@gmail.com>, (c) 2010-2012 ST Microelectronics