EXI_CSR_CSMASK     22 arch/powerpc/boot/ugecon.c #define   EXI_CSR_CSMASK        (0x7<<7)
EXI_CSR_CSMASK     25 arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c #define   EXI_CSR_CSMASK        (0x7<<7)