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Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (224 commits) ARM: remove 'select GENERIC_TIME' ARM: 6136/1: ARCH_REQUIRE_GPIOLIB selects GENERIC_GPIO ARM: 6074/1: oprofile: convert from sysdev to platform device ARM: 6073/1: oprofile: remove old files and update KConfig ARM: 6072/1: oprofile: use perf-events framework as backend ARM: 6071/1: perf-events: allow modules to query the number of hardware counters ARM: 6070/1: perf-events: add support for xscale PMUs ARM: 6069/1: perf-events: use numeric ID to identify PMU ARM: 6064/1: pmu: register IRQs at runtime ARM: Optionally allow ARMv6 to use 'normal, bufferable' memory for DMA ARM: 6134/1: Handle instruction cache maintenance fault properly ARM: nwfpe: allow debugging output to be configured at runtime ARM: rename mach_cpu_disable() to platform_cpu_disable() ARM: 6132/1: PL330: Add common core driver ARM: 6094/1: Extend cache-l2x0 to support the 16-way PL310 ARM: Move memory mapping into mmu.c ARM: Ensure meminfo is sorted prior to sanity_check_meminfo ARM: Remove useless linux/bootmem.h includes ARM: convert /proc/cpu/aligment to seq_file arm: use asm-generic/scatterlist.h ...
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SPEAr ARM Linux Overview | ||
========================== | ||
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Introduction | ||
------------ | ||
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SPEAr (Structured Processor Enhanced Architecture). | ||
weblink : http://www.st.com/spear | ||
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The ST Microelectronics SPEAr range of ARM9/CortexA9 System-on-Chip CPUs are | ||
supported by the 'spear' platform of ARM Linux. Currently SPEAr300, | ||
SPEAr310, SPEAr320 and SPEAr600 SOCs are supported. Support for the SPEAr13XX | ||
series is in progress. | ||
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Hierarchy in SPEAr is as follows: | ||
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SPEAr (Platform) | ||
- SPEAr3XX (3XX SOC series, based on ARM9) | ||
- SPEAr300 (SOC) | ||
- SPEAr300_EVB (Evaluation Board) | ||
- SPEAr310 (SOC) | ||
- SPEAr310_EVB (Evaluation Board) | ||
- SPEAr320 (SOC) | ||
- SPEAr320_EVB (Evaluation Board) | ||
- SPEAr6XX (6XX SOC series, based on ARM9) | ||
- SPEAr600 (SOC) | ||
- SPEAr600_EVB (Evaluation Board) | ||
- SPEAr13XX (13XX SOC series, based on ARM CORTEXA9) | ||
- SPEAr1300 (SOC) | ||
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Configuration | ||
------------- | ||
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A generic configuration is provided for each machine, and can be used as the | ||
default by | ||
make spear600_defconfig | ||
make spear300_defconfig | ||
make spear310_defconfig | ||
make spear320_defconfig | ||
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Layout | ||
------ | ||
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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/. | ||
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Each machine series have a directory with name arch/arm/mach-spear followed by | ||
series name. Like mach-spear3xx, mach-spear6xx and mach-spear13xx. | ||
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Common file for machines of spear3xx family is mach-spear3xx/spear3xx.c and for | ||
spear6xx is mach-spear6xx/spear6xx.c. mach-spear* also contain soc/machine | ||
specific files, like spear300.c, spear310.c, spear320.c and spear600.c. | ||
mach-spear* also contains board specific files for each machine type. | ||
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Document Author | ||
--------------- | ||
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Viresh Kumar, (c) 2010 ST Microelectronics |
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