CU
.set CU_SAVEPC,LV-92 | micro-pc for CU (1 byte)
.set FPIARCU,LV-60 | Instr. addr. reg. for CU (4 bytes)
SERDES_MUX_GMII(CU(0), 0, HSIO_HW_CFG_GMII_ENA,
SERDES_MUX_GMII(CU(1), 1, HSIO_HW_CFG_GMII_ENA,
#define CU_MAX CU(2)
#define CU_MAX CU(2)