Based on kernel version 4.16.1. Page generated on 2018-04-09 11:52 EST.
1 SPEAr ARM Linux Overview 2 ========================== 3 4 Introduction 5 ------------ 6 7 SPEAr (Structured Processor Enhanced Architecture). 8 weblink : http://www.st.com/spear 9 10 The ST Microelectronics SPEAr range of ARM9/CortexA9 System-on-Chip CPUs are 11 supported by the 'spear' platform of ARM Linux. Currently SPEAr1310, 12 SPEAr1340, SPEAr300, SPEAr310, SPEAr320 and SPEAr600 SOCs are supported. 13 14 Hierarchy in SPEAr is as follows: 15 16 SPEAr (Platform) 17 - SPEAr3XX (3XX SOC series, based on ARM9) 18 - SPEAr300 (SOC) 19 - SPEAr300 Evaluation Board 20 - SPEAr310 (SOC) 21 - SPEAr310 Evaluation Board 22 - SPEAr320 (SOC) 23 - SPEAr320 Evaluation Board 24 - SPEAr6XX (6XX SOC series, based on ARM9) 25 - SPEAr600 (SOC) 26 - SPEAr600 Evaluation Board 27 - SPEAr13XX (13XX SOC series, based on ARM CORTEXA9) 28 - SPEAr1310 (SOC) 29 - SPEAr1310 Evaluation Board 30 - SPEAr1340 (SOC) 31 - SPEAr1340 Evaluation Board 32 33 Configuration 34 ------------- 35 36 A generic configuration is provided for each machine, and can be used as the 37 default by 38 make spear13xx_defconfig 39 make spear3xx_defconfig 40 make spear6xx_defconfig 41 42 Layout 43 ------ 44 45 The common files for multiple machine families (SPEAr3xx, SPEAr6xx and 46 SPEAr13xx) are located in the platform code contained in arch/arm/plat-spear 47 with headers in plat/. 48 49 Each machine series have a directory with name arch/arm/mach-spear followed by 50 series name. Like mach-spear3xx, mach-spear6xx and mach-spear13xx. 51 52 Common file for machines of spear3xx family is mach-spear3xx/spear3xx.c, for 53 spear6xx is mach-spear6xx/spear6xx.c and for spear13xx family is 54 mach-spear13xx/spear13xx.c. mach-spear* also contain soc/machine specific 55 files, like spear1310.c, spear1340.c spear300.c, spear310.c, spear320.c and 56 spear600.c. mach-spear* doesn't contains board specific files as they fully 57 support Flattened Device Tree. 58 59 60 Document Author 61 --------------- 62 63 Viresh Kumar <vireshk@kernel.org>, (c) 2010-2012 ST Microelectronics