RT2661_INT_SOURCE_CSR
r1 = RAL_READ(sc, RT2661_INT_SOURCE_CSR);
RAL_WRITE(sc, RT2661_INT_SOURCE_CSR, r1);
RAL_WRITE(sc, RT2661_INT_SOURCE_CSR, 0xffffffff);
RAL_WRITE(sc, RT2661_INT_SOURCE_CSR, 0xffffffff);