Function uart_disable

src/phys/uart.rs:357–362

(device: Device)

}

pub fn uart_disable(device: Device) {
    let addr = get_addr(device) + 0x18;
    let baseline = read_word(addr);
    assign(addr, baseline & !((0x1 << 19) | (0x1 << 18)));
    unsafe { asm!("nop"); }
}

pub fn uart_write_fifo(device: Device, byte: u8) {
    let addr = get_addr(device) + 0x1C;