CONFIG_HD64461_IOBASE is not available for thedefaultarchitecture x86.
Result is shown for architecture sh
default or selected kernelversion does not have config value CONFIG_HD64461_IOBASE.
Result is shown for kernelversion 5.3.7

HD64461 start address

configname: CONFIG_HD64461_IOBASE

Linux Kernel Configuration
└─>Companion Chips
└─>HD64461 start address
In linux kernel since version 2.6.19 (release Date: 2006-11-29)  
depends
CONFIG_HD64461