File list (Check if you may need any files):
at91lib\boards\at91sam7s-ek\board.h
.......\......\............\board.mak
.......\......\............\board_cstartup.S
.......\......\............\board_lowlevel.c
.......\......\............\board_lowlevel.h
.......\......\............\board_memories.c
.......\......\............\board_memories.h
.......\......\............\at91sam7s128\AT91SAM7S128.h
.......\......\............\............\flash.lds
.......\......\............\............\sram.lds
.......\......\............\.........256\AT91SAM7S256.h
.......\......\............\............\flash.lds
.......\......\............\............\sram.lds
.......\......\............\.........32\AT91SAM7S32.h
.......\......\............\...........\flash.lds
.......\......\............\...........\sram.lds
.......\......\............\...........1\AT91SAM7S321.h
.......\......\............\............\flash.lds
.......\......\............\............\sram.lds
.......\......\............\.........512\AT91SAM7S512.h
.......\......\............\............\flash.lds
.......\......\............\............\sram.lds
.......\......\............\.........64\AT91SAM7S64.h
.......\......\............\...........\flash.lds
.......\......\............\...........\sram.lds
.......\memories\MEDDdram.c
.......\........\MEDDdram.h
.......\........\MEDFlash.c
.......\........\MEDFlash.h
.......\........\Media.c
.......\........\Media.h
.......\........\MEDSdram.c
.......\........\MEDSdram.h
.......\........\flash\flashd.h
.......\........\.....\flashd_eefc.c
.......\........\.....\flashd_efc.c
.......\peripherals\aic\aic.c
.......\...........\...\aic.h
.......\...........\cp15\cp15.c
.......\...........\....\cp15.h
.......\...........\....\cp15_asm.S
.......\...........\dbgu\dbgu.c
.......\...........\....\dbgu.h
.......\...........\eefc\eefc.c
.......\...........\....\eefc.h
.......\...........\.fc\efc.c
.......\...........\...\efc.h
.......\...........\pio\pio.c
.......\...........\...\pio.h
.......\...........\...\pio_it.c
.......\...........\...\pio_it.h
.......\...........\..t\pit.c
.......\...........\...\pit.h
.......\...........\.mc\pmc.c
.......\...........\...\pmc.h
.......\usb\common\core\USBConfigurationDescriptor.c
.......\...\......\....\USBConfigurationDescriptor.h
.......\...\......\....\USBDeviceDescriptor.h
.......\...\......\....\USBDeviceQualifierDescriptor.h
.......\...\......\....\USBEndpointDescriptor.c
.......\...\......\....\USBEndpointDescriptor.h
.......\...\......\....\USBFeatureRequest.c
.......\...\......\....\USBFeatureRequest.h
.......\...\......\....\USBGenericDescriptor.c
.......\...\......\....\USBGenericDescriptor.h
.......\...\......\....\USBGenericRequest.c
.......\...\......\....\USBGenericRequest.h
.......\...\......\....\USBGetDescriptorRequest.c
.......\...\......\....\USBGetDescriptorRequest.h
.......\...\......\....\USBInterfaceDescriptor.h
.......\...\......\....\USBInterfaceRequest.c
.......\...\......\....\USBInterfaceRequest.h
.......\...\......\....\USBSetAddressRequest.c
.......\...\......\....\USBSetAddressRequest.h
.......\...\......\....\USBSetConfigurationRequest.c
.......\...\......\....\USBSetConfigurationRequest.h
.......\...\......\....\USBStringDescriptor.h
.......\...\......\massstorage\MSDeviceDescriptor.h
.......\...\......\...........\MSInterfaceDescriptor.h
.......\...\device\core\USBD.h
.......\...\......\....\USBDCallbacks.h
.......\...\......\....\USBDCallbacks_Initialized.c
.......\...\......\....\USBDCallbacks_Reset.c
.......\...\......\....\USBDDriver.c
.......\...\......\....\USBDDriver.h
.......\...\......\....\USBDDriverCallbacks.h
.......\...\......\....\USBDDriverCb_IfSettingChanged.c
.......\...\......\....\USBDDriverDescriptors.h
.......\...\......\....\USBD_OTGHS.c
.......\...\......\....\USBD_UDP.c
.......\...\......\....\USBD_UDPHS.c
.......\...\......\massstorage\MSD.h
.......\...\......\...........\MSDDriver.c
.......\...\......\...........\MSDDriver.h
.......\...\......\...........\MSDDriverDescriptors.c
.......\...\......\...........\MSDDriverDescriptors.h
.......\...\......\...........\MSDDStateMachin