CP_RB_BASE        475 drivers/gpu/drm/radeon/evergreend.h #define	CP_RB_BASE					0xC100
CP_RB_BASE        194 drivers/gpu/drm/radeon/r600d.h #define	CP_RB_BASE					0xC100
CP_RB_BASE        310 include/video/radeon.h #define CP_RB_BASE                             0x0700