SW_INT_ENABLE_REG
value = aintc_read_4(sc, SW_INT_ENABLE_REG(block));
aintc_write_4(sc, SW_INT_ENABLE_REG(block), value);
value = aintc_read_4(sc, SW_INT_ENABLE_REG(block));
aintc_write_4(sc, SW_INT_ENABLE_REG(block), value);
aintc_write_4(sc, SW_INT_ENABLE_REG(i), 0);