LINUX下安装PCI多串口问题
机器中插有两块PCI NETMOS串口卡,可是系统只能找到四个串口,自己无法添加,请问要如何正确添加:DEV 中只能找到ttyS0 ttyS1 ttyS2 ttyS3,所以试加加入4,执行命令:
#mknod ttyS4 c 245 4
后执行
/bin/setserial /dev/ttyS4 port 0x9000 irq 18 uart 16550A
出现:
/dev/ttyS4: No such device or address
附more /proc/pci信息
PCI devices found:
Bus0, device 0, function0:
Class 0600: PCI device 8086:2770 (rev 129).
Bus0, device 1, function0:
Class 0604: PCI device 8086:2771 (rev 129).
IRQ 16.
Master Capable.No bursts.Min Gnt=10.
Bus0, device27, function0:
Class 0403: PCI device 8086:27d8 (rev 1).
IRQ 17.
Non-prefetchable 64 bit memory at 0xcdcf8000 .
Bus0, device28, function0:
Class 0604: PCI device 8086:27d0 (rev 1).
IRQ 16.
Master Capable.No bursts.Min Gnt=6.
Bus0, device28, function3:
Class 0604: PCI device 8086:27d6 (rev 1).
IRQ 17.
Master Capable.No bursts.Min Gnt=6.
Bus0, device29, function0:
Class 0c03: PCI device 8086:27c8 (rev 1).
IRQ 19.
I/O at 0x3000 .
Bus0, device29, function1:
Class 0c03: PCI device 8086:27c9 (rev 1).
IRQ 22.
I/O at 0x3400 .
Bus0, device29, function2:
Class 0c03: PCI device 8086:27ca (rev 1).
IRQ 23.
I/O at 0x3800 .
Bus0, device29, function3:
Class 0c03: PCI device 8086:27cb (rev 1).
IRQ 17.
I/O at 0x4000 .
Bus0, device30, function0:
Class 0604: PCI device 8086:244e (rev 225).
Master Capable.No bursts.Min Gnt=6.
Bus0, device31, function0:
Class 0601: PCI device 8086:27b8 (rev 1).
Bus0, device31, function1:
Class 0101: PCI device 8086:27df (rev 1).
IRQ 18.
I/O at 0xffa0 .
Bus0, device31, function2:
Class 0101: PCI device 8086:27c0 (rev 1).
IRQ 20.
I/O at 0x5800 .
I/O at 0x5400 .
I/O at 0x5000 .
I/O at 0x4800 .
I/O at 0x4400 .
Non-prefetchable 32 bit memory at 0xcdcffc00 .
Bus0, device31, function3:
Class 0c05: PCI device 8086:27da (rev 1).
IRQ 3.
I/O at 0x400 .
Bus4, device 0, function0:
Class 0300: PCI device 10de:0161 (rev 161).
IRQ 11.
Non-prefetchable 32 bit memory at 0xcf000000 .
Prefetchable 64 bit memory at 0xd0000000 .
Non-prefetchable 64 bit memory at 0xce000000 .
Bus2, device 0, function0:
Class 0200: PCI device 11ab:4362 (rev 25).
IRQ 17.
Non-prefetchable 64 bit memory at 0xcdefc000 .
I/O at 0xc800 .
Bus1, device 1, function0:
Class 0780: PCI device 9710:9835 (rev 1).
IRQ 21.
Master Capable.Latency=64.
I/O at 0x8000 .
I/O at 0x7800 .
I/O at 0x7400 .
I/O at 0x7000 .
I/O at 0x6800 .
I/O at 0x6400 .
Bus1, device 2, function0:
Class 0700: PCI device 9710:9845 (rev 1).
IRQ 18.
Master Capable.Latency=64.
I/O at 0xa000 .
I/O at 0x9800 .
I/O at 0x9400 .
I/O at 0x9000 .
I/O at 0x8800 .
I/O at 0x8400 .
Bus1, device 3, function0:
Class 0180: PCI device 1283:8211 (rev 17).
IRQ 19.
Master Capable.No bursts.Min Gnt=8.Max Lat=8.
I/O at 0xb800 .
I/O at 0xb400 .
I/O at 0xb000 .
I/O at 0xa800 .
I/O at 0xa400 .
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