root@mirak-amd64:~# cat /proc/tty/driver/serial
serinfo:1.0 driver revision:
0: uart:16550A port:000003F8 irq:4 tx:4364 rx:5683 fe:3 pe:24
1: uart:unknown port:00009000 irq:217
2: uart:16550A port:00009400 irq:217 tx:0 rx:0
3: uart:unknown port:000002E8 irq:3

05:07.0 Serial controller: NetMos Technology PCI 9835 Multi-I/O Controller (rev 01) (prog-if 02 [16550])
        Subsystem: LSI Logic / Symbios Logic 2S (16C550 UART)
        Flags: medium devsel, IRQ 217
        I/O ports at 9000 [size=8]
        I/O ports at 9400 [size=8]
        I/O ports at 9800 [size=8]
        I/O ports at 9c00 [size=8]
        I/O ports at a000 [size=8]
        I/O ports at a400 [size=16]