menu "SuperH architecture" depends on SH config CPU_SH4 bool config CPU_SH4A bool select CPU_SH4 config SH_32BIT bool "32bit mode" depends on CPU_SH4A default n help SH4A has 2 physical memory maps. This use 32bit mode. And this is board specific. Please check your board if you want to use this. choice prompt "Target select" optional config TARGET_MIGOR bool "Migo-R" select CPU_SH4 config TARGET_R2DPLUS bool "Renesas R2D-PLUS" select CPU_SH4 config TARGET_R7780MP bool "R7780MP board" select CPU_SH4A config TARGET_SH7752EVB bool "SH7752EVB" select CPU_SH4A config TARGET_SH7753EVB bool "SH7753EVB" select CPU_SH4 config TARGET_SH7757LCR bool "SH7757LCR" select CPU_SH4A config TARGET_SH7763RDP bool "SH7763RDP" select CPU_SH4 endchoice config SYS_ARCH default "sh" config SYS_CPU default "sh4" if CPU_SH4 source "arch/sh/lib/Kconfig" source "board/renesas/MigoR/Kconfig" source "board/renesas/r2dplus/Kconfig" source "board/renesas/r7780mp/Kconfig" source "board/renesas/sh7752evb/Kconfig" source "board/renesas/sh7753evb/Kconfig" source "board/renesas/sh7757lcr/Kconfig" source "board/renesas/sh7763rdp/Kconfig" endmenu