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diff --git a/doc/README-integrator b/doc/README-integrator deleted file mode 100644 index 5a0e934..0000000 --- a/doc/README-integrator +++ /dev/null @@ -1,110 +0,0 @@ - - U-Boot for ARM Integrator Development Platforms - - Peter Pearse, ARM Ltd. - peter.pearse@arm.com - www.arm.com - -Manuals available from :- -http://www.arm.com/products/DevTools/Hardware_Platforms.html - -Overview : --------- -There are two Integrator variants - Integrator/AP and Integrator/CP. -Each may be fitted with a variety of core modules (CMs). -Each CM consists of a ARM processor core and associated hardware e.g - FPGA implementing various controllers and/or register - SSRAM - SDRAM - RAM controllers - clock generators etc. -CMs may be fitted with varying amounts of SDRAM using a DIMM socket. - -Boot Methods : ------------- -Integrator platforms can be configured to use U-Boot in at least three ways :- -a) Run ARM boot monitor, manually run U-Boot image from flash -b) Run ARM boot monitor, automatically run U-Boot image from flash -c) Run U-Boot image direct from flash. - -In cases a) and b) the ARM boot monitor will have configured the CM and mapped -writeable memory to 0x00000000 in the Integrator address space. -U-Boot has to carry out minimal configration before standard code is run. - -In case c) it may be necessary for U-Boot to perform CM dependent initialization. - -Configuring U-Boot : ------------------- - The makefile contains targets for Integrator platforms of both types -fitted with all current variants of CM. If these targets are to be used with -boot process c) above then CONFIG_INIT_CRITICAL may need to be defined to ensure -that the CM is correctly configured. - - There are also targets independent of CM. These may not be suitable for -boot process c) above. They have been preserved for backward compatibility with -existing build processes. - -Code Hierarchy Applied : ----------------------- -Code specific to initialization of a particular ARM processor has been placed in -cpu/arm<>/start.S so that it may be used by other boards. - -However, to avoid duplicating code through all processor files, a generic core -for ARM Integrator CMs has been added - - arch/arm/cpu/arm_intcm - -Otherwise. for example, the standard CM reset via the CM control register would -need placing in each CM processor file...... - -Code specific to the initialization of the CM, rather than the cpu, and initialization -of the Integrator board itself, has been placed in - - board/integrator<>/platform.S - board/integrator<>/integrator<>.c - -Targets -======= -The U-Boot make targets map to the available core modules as below. - -Integrator/AP is no longer available from ARM. -Core modules marked ** are also no longer available. - -ap720t_config ** CM720T -ap920t_config ** CM920T -ap926ejs_config Integrator Core Module for ARM926EJ-STM -ap946es_config Integrator Core Module for ARM946E-STM -cp920t_config ** CM920T -cp926ejs_config Integrator Core Module for ARM926EJ-STM -cp946es_config Integrator Core Module for ARM946E-STM -cp1136_config Integrator Core Module ARM1136JF-S TM - -The final groups of targets are for core modules where no explicit cpu -code has yet been added to U-Boot i.e. they all use the same U-Boot binary -using the generic "arm_intcm" core: - -ap966_config Integrator Core Module for ARM966E-S TM -ap922_config Integrator Core Module for ARM922T TM with ETM -ap922_XA10_config Integrator Core Module for ARM922T using Altera Excalibur -ap7_config ** CM7TDMI -integratorap_config -ap_config - - -cp966_config Integrator Core Module for ARM966E-S TM -cp922_config Integrator Core Module for ARM922T TM with ETM -cp922_XA10_config Integrator Core Module for ARM922T using Altera Excalibur -cp1026_config Integrator Core Module ARM1026EJ-S TM -integratorcp_config -cp_config - -The Makefile targets call board/integrator<>/split_by_variant.sh -to configure various defines in include/configs/integrator<>.h -to indicate the core module & core configuration and ensure that -board/integrator<>/u-boot.lds loads the cpu object first in the U-Boot image. - -********************************* -Because of this mechanism -> make clean -must be run before each change in configuration -********************************* |