RGE_CSIAR
RGE_WRITE_4(sc, RGE_CSIAR, (reg & RGE_CSIAR_ADDR_MASK) |
if (!(RGE_READ_4(sc, RGE_CSIAR) & RGE_CSIAR_BUSY))
RGE_WRITE_4(sc, RGE_CSIAR, (reg & RGE_CSIAR_ADDR_MASK) |
if (RGE_READ_4(sc, RGE_CSIAR) & RGE_CSIAR_BUSY)