CONFIG_ARCH_AT91X40 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
AT91x40
modulename: at91x40.ko
configname: CONFIG_ARCH_AT91X40
Atmel AT91 Processor Devices for non DT boards
└─>AT91x40
In linux kernel since version 2.6.24 (release Date: 2008-01-24)
source code:
selects
CONFIG_ARCH_USES_GETTIMEOFFSETCONFIG_MULTI_IRQ_HANDLER
CONFIG_SPARSE_IRQ
CONFIG_CPU_ARM7TDMI