dev/isa/if_ix.c

422 	uint8_t val, bart_config;
589 	bart_config = bus_space_read_1(iot, ioh, IX_CONFIG);
590 	bart_config |= IX_BART_LOOPBACK;
591 	bart_config |= IX_BART_MCS16_TEST; /* inb doesn't get bit! */
592 	bus_space_write_1(iot, ioh, IX_CONFIG, bart_config);
593 	bart_config = bus_space_read_1(iot, ioh, IX_CONFIG);
626 	uint8_t bart_config;
845 	bart_config = bus_space_read_1(iot, ioh, IX_CONFIG);
846 	bart_config &= ~IX_BART_LOOPBACK;
847 	bart_config |= IX_BART_MCS16_TEST; /* inb doesn't get bit! */
848 	bus_space_write_1(iot, ioh, IX_CONFIG, bart_config);
849 	bart_config = bus_space_read_1(iot, ioh, IX_CONFIG);