CONFIG_PPC_PREP is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
default or selected kernelversion does not have config value CONFIG_PPC_PREP.
Result is shown for kernelversion 6.2.5
PowerPC Reference Platform (PReP) based machines
configname: CONFIG_PPC_PREP
Linux Kernel Configuration
└─>PowerPC Reference Platform (PReP) based machines
In linux kernel since version 2.6.15 (release Date: 2006-01-02)
selects
CONFIG_HAVE_PCSPKR_PLATFORMCONFIG_MPIC
CONFIG_PPC_I8259
CONFIG_PPC_INDIRECT_PCI
CONFIG_PPC_UDBG_16550
CONFIG_PPC_NATIVE