william@beaglebone:~$ apt-cache search setserial setserial - controls configuration of serial ports william@beaglebone:~$ sudo apt-get install setserial . . . The following NEW packages will be installed: setserial 0 upgraded, 1 newly installed, 0 to remove and 13 not upgraded. Need to get 49.9 kB of archives. After this operation, 139 kB of additional disk space will be used.
william@beaglebone:~$ setserial -g /dev/ttyS[0-5] /dev/ttyS0, UART: 8250, Port: 0x0000, IRQ: 158 /dev/ttyS1, UART: unknown, Port: 0x0000, IRQ: 0 /dev/ttyS2, UART: 8250, Port: 0x0000, IRQ: 198 /dev/ttyS3, UART: unknown, Port: 0x0000, IRQ: 0 /dev/ttyS4, UART: unknown, Port: 0x0000, IRQ: 0 /dev/ttyS5, UART: unknown, Port: 0x0000, IRQ: 0 On Thu, Aug 18, 2016 at 4:34 PM, William Hermans <[email protected]> wrote: > william@beaglebone:~$ ls /sys/devices/platform/ocp/ > 40300000.ocmcram 48030000.spi 48060000.mmc > 48310000.rng 53500000.aes > 40302000.ocmcram_nocache 48038000.mcasp 480c8000.mailbox > 49000000.edma 56000000.sgx > 44e07000.gpio 4803c000.mcasp 480ca000.spinlock > 49800000.tptc driver_override > 44e09000.serial 48042000.timer 4819c000.i2c > 49900000.tptc modalias > 44e0b000.i2c 48044000.timer 481a0000.spi > 49a00000.tptc ocp:l4_wkup@44c00000 > 44e35000.wdt 48046000.timer 481ac000.gpio > 4a100000.ethernet of_node > 44e3e000.rtc 48048000.timer 481ae000.gpio > 4a300000.pruss power > 47400000.usb 4804a000.timer 481d8000.mmc > 4c000000.emif subsystem > 48024000.serial 4804c000.gpio 48200000.interrupt-controller > 53100000.sham uevent > william@beaglebone:~$ ls /sys/devices/platform/ocp/48024000.serial > driver driver_override modalias of_node power subsystem tty uevent > william@beaglebone:~$ ls /sys/devices/platform/ocp/48024000.serial/tty > ttyS2 > > > On Thu, Aug 18, 2016 at 4:32 PM, William Hermans <[email protected]> > wrote: > >> william@beaglebone:~$ dmesg |grep tty >> [ 0.000000] Kernel command line: console=tty0 console=ttyO0,115200n8 >> root=/dev/mmcblk0p1 rootfstype=ext4 rootwait ip v6.disable=1 >> [ 0.002187] console [tty0] enabled >> [ 0.002223] WARNING: Your 'console=ttyO0' has been replaced by 'ttyS0' >> [ 1.998154] 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 158, >> base_baud = 3000000) is a 8250 >> [ 2.884801] console [ttyS0] enabled >> william@beaglebone:~$ clear >> william@beaglebone:~$ ls /sys/devices/ >> armv7_cortex_a8 breakpoint platform soc0 software system >> tracepoint virtual >> william@beaglebone:~$ ls /sys/devices/platform/ >> alarmtimer cpufreq-dt leds omap-pcm-audio pm33xx.0 >> power serial8250 ti-cpufreq.0 >> bone_capemgr fixedregulator@0 ocp opp_table0 pmu >> reg-dummy soc uevent >> william@beaglebone:~$ cat /sys/devices/platform/bone_capemgr/slots >> 0: PF---- -1 >> 1: PF---- -1 >> 2: PF---- -1 >> 3: PF---- -1 >> william@beaglebone:~$ ls /lib/firmware/ |grep UART >> BB-UART1-00A0.dtbo >> BB-UART2-00A0.dtbo >> BB-UART2-RTSCTS-00A0.dtbo >> BB-UART3-00A0.dtbo >> BB-UART4-00A0.dtbo >> BB-UART4-RS485-00A0.dtbo >> BB-UART5-00A0.dtbo >> william@beaglebone:~$ sudo sh -c"echo 'BB-UART2' > >> /sys/devices/platform/bone_capemgr/slots" >> [sudo] password for william: >> sh: 0: Illegal option -h >> william@beaglebone:~$ sudo sh -c "echo 'BB-UART2' > >> /sys/devices/platform/bone_capemgr/slots" >> william@beaglebone:~$ cat /sys/devices/platform/bone_capemgr/slots >> 0: PF---- -1 >> 1: PF---- -1 >> 2: PF---- -1 >> 3: PF---- -1 >> 4: P-O-L- 0 Override Board Name,00A0,Override Manuf,BB-UART2 >> william@beaglebone:~$ dmesg |grep tty >> [ 0.000000] Kernel command line: console=tty0 console=ttyO0,115200n8 >> root=/dev/mmcblk0p1 rootfstype=ext4 rootwait ip v6.disable=1 >> [ 0.002187] console [tty0] enabled >> [ 0.002223] WARNING: Your 'console=ttyO0' has been replaced by 'ttyS0' >> [ 1.998154] 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 158, >> base_baud = 3000000) is a 8250 >> [ 2.884801] console [ttyS0] enabled >> [778201.669492] 48024000.serial: ttyS2 at MMIO 0x48024000 (irq = 198, >> base_baud = 3000000) is a 8250 >> >> >> On Thu, Aug 18, 2016 at 4:17 PM, Matt <[email protected]> >> wrote: >> >>> Don't think the ttyS's are it. I know for sure in 3.18 you use the >>> /ttyO2 or whatever number uart you enable. >>> >>> Can anyone confirm that in 4.4 the UARTS show as /ttyS* ? >>> >>> Going to check my .dts. >>> >>> On Thursday, August 18, 2016 at 3:18:43 PM UTC-7, Mike Bell wrote: >>>> >>>> On 08/18/2016 05:57 PM, Matt wrote: >>>> > Hi, >>>> > >>>> > Working in kernel 4.4.16-bone-rt-r11 and am not seeing the >>>> > corresponding entries in /dev/ for the enabled UARTS. >>>> > >>>> > /dev/tty13 /dev/tty24 /dev/tty35 /dev/tty46 /dev/tty57 >>>> /dev/ttyS0 >>>> > /dev/tty14 /dev/tty25 /dev/tty36 /dev/tty47 /dev/tty58 >>>> /dev/ttyS1 >>>> > /dev/tty15 /dev/tty26 /dev/tty37 /dev/tty48 /dev/tty59 >>>> /dev/ttyS2 >>>> > /dev/tty16 /dev/tty27 /dev/tty38 /dev/tty49 /dev/tty6 >>>> /dev/ttyS3 >>>> > /dev/tty17 /dev/tty28 /dev/tty39 /dev/tty5 /dev/tty60 >>>> /dev/ttyS4 >>>> > /dev/tty18 /dev/tty29 /dev/tty4 /dev/tty50 /dev/tty61 >>>> /dev/ttyS5 >>>> > >>>> > >>>> > What am I missing here? When a UART is loaded into slots should it >>>> > then be labeld ttyOX in /dev just as in 3.18? >>>> > -- >>>> >>>> /dev/ttyS? >>>> >>>> Mike >>>> >>> -- >>> 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/ms >>> gid/beagleboard/47a3dbf5-9d09-4825-80a4-54213c54c336%40googlegroups.com >>> <https://groups.google.com/d/msgid/beagleboard/47a3dbf5-9d09-4825-80a4-54213c54c336%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> > -- 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/CALHSORqHGQPfwVqHzQ6uBRAscw93sME3%3Ddxe3Y7uXa4ofYp28g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
