I would like to share information. How to find the map between uart* and ttyS*
Ocp is on-chip peripheral. Uart 3 physical address is 0x4802 0000 (TI manual). So the mapping address is matched to /tty/ttyS2 (it is actually linked to ttyO2. Please Refer to the below command ) Uart 5 physical address is 0x4806 6000 matched to ttyS4. (it is actually linked to ttyO4. Please Refer to the below command) Etc. I hope it is helpful. *debian@beaglebone:/sys/class/tty$ ls -al | grep ttyS* lrwxrwxrwx 1 root root 0 Mar 12 23:01 ttyS0 -> ../../devices/platform/44000000.ocp/4806a000.serial/tty/ttyS0 lrwxrwxrwx 1 root root 0 Mar 12 23:01 ttyS1 -> ../../devices/platform/44000000.ocp/48422000.serial/tty/ttyS1 lrwxrwxrwx 1 root root 0 Mar 12 23:01 ttyS2 -> ../../devices/platform/44000000.ocp/48020000.serial/tty/ttyS2 lrwxrwxrwx 1 root root 0 Mar 12 23:01 ttyS3 -> ../../devices/platform/44000000.ocp/4ae2b000.serial/tty/ttyS3 lrwxrwxrwx 1 root root 0 Mar 12 23:01 ttyS4 -> ../../devices/platform/4400.ocp/48066000.serial/tty/ttyS4 lrwxrwxrwx 1 root root 0 Mar 12 23:01 ttyS5 -> ../../devices/platform/44000000.ocp/48068000.serial/tty/ttyS5 > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/9649614f-f7ca-4034-a2b1-ec9ac303c198%40googlegroups.com.
