MUSB2_REG_RXCOUNT
count = MUSB2_READ_2(sc, MUSB2_REG_RXCOUNT);
count = MUSB2_READ_2(sc, MUSB2_REG_RXCOUNT);
count = MUSB2_READ_2(sc, MUSB2_REG_RXCOUNT);
count = MUSB2_READ_2(sc, MUSB2_REG_RXCOUNT);
count = MUSB2_READ_2(sc, MUSB2_REG_RXCOUNT);
REGDECL(MUSB2_REG_RXCOUNT, 0x0088),