PA_EXT4            27 arch/sh/include/mach-common/mach/sdk7780.h #define PA_EXT_USER		PA_EXT4		/* User Expansion Space */
PA_EXT4            30 arch/sh/include/mach-se/mach/se7780.h #define PA_EXT_FLASH	PA_EXT4		/* Expansion Flash-ROM */