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TMDSDC3359 UART DaughterCard

Julian Villegas
Prodigy 70 points
Other Parts Discussed in Thread: CC2530, TPS65910, TMP275

Hi,


I'm currently usign a Smart Data Concentrator EVM (TMDSDC3359).  The board processor is an AM 335x ARM Cortex A8. TI provides a SD Card with the kernel Image. I follow the Quick Start Guide in order to boot the board under my host machine. I'm using PuTTy to display terminal console messages. I've programmed a CC2530 with a very basic program which sends via UART 0 ALT 1 (in  CC2530) a message ("Hola") all the time. I follow the Smart Data Concentrator Hardware/Software Manual in order to configure my board. I take care that GPIO0[12] is set low in order to map CC1 Pins to UART1 of the Cortex.

I plug my daughtercard (CC2530) into the CC1 connector and turn off the board. I follow the U Boot and Kernel Messages and see one that says something like: "No daughtercard found". Then I login into the console and look for the /dev directory. I look all the devices which are in the board via command ls. I have know from U Boot and Kernel messages that UART1 is tty01, UART 2 tty02, and so on.


THE PROBLEM IS THAT WHEN I TRY TO GET SOMETHING FROM tty01, USING cat tty01 (under dev directory), IT APPEARS A MESSAGE WHICH SAYS: NO SUCH FILE OR DIRECTORY. EVEN MORE, WHEN I TRY TO LIST tty0* devices, using ls -l tty0* it doesn't appear. PLEASE, I DON'T KNOW WHAT TO DO, OR WHAT TO READ IN ORDER TO GET THE UART MESSAGES THAT I SEND FROM THE CC2530 DAUGHTERCARD. I HAVE THE SAME PROBLEM WHEN I'M TRYING TO GET SPI FROM CC2530.


Thanks for your help,

Julian

  • 0
    TI__Guru** 116100 points

    Hi Julian,

    I plug my daughtercard (CC2530) into the CC1 connector and turn off the board. I follow the U Boot and Kernel Messages and see one that says something like: "No daughtercard found". Then I login into the console and look for the /dev directory. I look all the devices which are in the board via command ls. I have know from U Boot and Kernel messages that UART1 is tty01, UART 2 tty02, and so on.

    I suspect that "udev" is not running which is responsible to generate device nodes under "/dev/"

    Could you please attach your complete bootup log.

    Are you using pre-built binaries for booting?

  • 0 in reply to Titusrathinaraj Stalin
    Prodigy 70 points

    Thanks for the quick answer,

    I'm using pre-built binaries for booting. Actually i'm using a SD Card which is provided with the board. I just plug in the SD Card, open PuTty to configure serial settings and the turn on the board, and then the OS runs on the board, as i see in the PuTTy terminal.

    I try to restart udev by using the following command (I'm not sure they're the correct commands), but the problem remains:

    # udevadm trigger

    Here is the complete bootup log provided by dmesg:

    [    0.000000] Linux version 3.2.0+ (clam@clam-desktop) (gcc version 4.7.3 20130226 (prerelease) (crosstool-NG linaro-1.13.1-4.7-2013.03-20130313 - Linaro GCC 2013.03) ) #3 Tue Aug 20 16:18:34 CDT 2013
    [    0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d
    [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
    [    0.000000] Machine: am335xevm
    [    0.000000] Memory policy: ECC disabled, Data cache writeback
    [    0.000000] On node 0 totalpages: 65536
    [    0.000000] free_area_init_node: node 0, pgdat c0685bf4, node_mem_map c06c0000
    [    0.000000]   Normal zone: 512 pages used for memmap
    [    0.000000]   Normal zone: 0 pages reserved
    [    0.000000]   Normal zone: 65024 pages, LIFO batch:15
    [    0.000000] AM335X ES2.1 (sgx neon )
    [    0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
    [    0.000000] pcpu-alloc: [0] 0
    [    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 65024
    [    0.000000] Kernel command line: console=ttyO0,115200n8 root=/dev/mmcblk0p2 rootdelay=2
    [    0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
    [    0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
    [    0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
    [    0.000000] Memory: 256MB = 256MB total
    [    0.000000] Memory: 252944k/252944k available, 9200k reserved, 0K highmem
    [    0.000000] Virtual kernel memory layout:
    [    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    [    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    [    0.000000]     vmalloc : 0xd0800000 - 0xff000000   ( 744 MB)
    [    0.000000]     lowmem  : 0xc0000000 - 0xd0000000   ( 256 MB)
    [    0.000000]     modules : 0xbf000000 - 0xc0000000   (  16 MB)
    [    0.000000]       .text : 0xc0008000 - 0xc05e6000   (6008 kB)
    [    0.000000]       .init : 0xc05e6000 - 0xc0622000   ( 240 kB)
    [    0.000000]       .data : 0xc0622000 - 0xc068f3a0   ( 437 kB)
    [    0.000000]        .bss : 0xc068f3c4 - 0xc06bf4f0   ( 193 kB)
    [    0.000000] NR_IRQS:396
    [    0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
    [    0.000000] Total of 128 interrupts on 1 active controller
    [    0.000000] OMAP clockevent source: GPTIMER2 at 24000000 Hz
    [    0.000000] OMAP clocksource: GPTIMER1 at 32768 Hz
    [    0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 131071999ms
    [    0.000000] Console: colour dummy device 80x30
    [    0.000091] Calibrating delay loop... 795.44 BogoMIPS (lpj=3977216)
    [    0.089050] pid_max: default: 32768 minimum: 301
    [    0.089172] Security Framework initialized
    [    0.089263] Mount-cache hash table entries: 512
    [    0.089630] CPU: Testing write buffer coherency: ok
    [    0.109527] omap_hwmod: pruss: failed to hardreset
    [    0.110626] print_constraints: dummy:
    [    0.110961] NET: Registered protocol family 16
    [    0.112945] OMAP GPIO hardware version 0.1
    [    0.115356] omap_mux_init: Add partition: #1: core, flags: 0
    [    0.117187]  omap_i2c.1: alias fck already exists
    [    0.118041]  omap2_mcspi.1: alias fck already exists
    [    0.118225]  omap2_mcspi.2: alias fck already exists
    [    0.119140]  edma.0: alias fck already exists
    [    0.119140]  edma.0: alias fck already exists
    [    0.119171]  edma.0: alias fck already exists
    [    0.144622] bio: create slab <bio-0> at 0
    [    0.146728] SCSI subsystem initialized
    [    0.148254] usbcore: registered new interface driver usbfs
    [    0.148559] usbcore: registered new interface driver hub
    [    0.148742] usbcore: registered new device driver usb
    [    0.149078] registerd cppi-dma Intr @ IRQ 17
    [    0.149108] Cppi41 Init Done Qmgr-base(d087a000) dma-base(d0878000)
    [    0.149108] Cppi41 Init Done
    [    0.149139] musb-ti81xx musb-ti81xx: musb0, board_mode=0x13, plat_mode=0x3
    [    0.149383] musb-ti81xx musb-ti81xx: musb1, board_mode=0x13, plat_mode=0x1
    [    0.150482] omap_i2c omap_i2c.1: bus 1 rev2.4.0 at 100 kHz
    [    0.152252] tps65910 1-002d: JTAGREVNUM 0x0
    [    0.154602] print_constraints: VRTC:
    [    0.156036] print_constraints: VIO: at 1800 mV
    [    0.158325] print_constraints: VDD1: 600 <--> 1500 mV at 1262 mV normal
    [    0.160644] print_constraints: VDD2: 600 <--> 1500 mV at 1137 mV normal
    [    0.161621] print_constraints: VDD3: 5000 mV
    [    0.163024] print_constraints: VDIG1: at 1800 mV
    [    0.164428] print_constraints: VDIG2: at 1800 mV
    [    0.165802] print_constraints: VPLL: at 1800 mV
    [    0.167205] print_constraints: VDAC: at 1800 mV
    [    0.168609] print_constraints: VAUX1: at 1800 mV
    [    0.170013] print_constraints: VAUX2: at 3300 mV
    [    0.171417] print_constraints: VAUX33: at 3300 mV
    [    0.172821] print_constraints: VMMC: at 3300 mV
    [    0.173309] tps65910 1-002d: No interrupt support, no core IRQ
    [    0.174743] Advanced Linux Sound Architecture Driver Version 1.0.24.
    [    0.175842] Switching to clocksource gp timer
    [    0.190032] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host)
    [    0.190216] musb-hdrc musb-hdrc.0: dma type: dma-cppi41
    [    0.190521] MUSB0 controller's USBSS revision = 4ea20800
    [    0.190521] TxFifo Empty intr disabled
    [    0.190551] musb0: Enabled SW babble control
    [    0.190856] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
    [    0.190887] musb-hdrc: MHDRC RTL version 2.0
    [    0.190887] musb-hdrc: setup fifo_mode 4
    [    0.190917] musb-hdrc: 28/31 max ep, 16384/16384 memory
    [    0.190917] musb-hdrc.0: bulk split disabled
    [    0.190917] musb-hdrc.0: bulk combine disabled
    [    0.191467] musb-hdrc musb-hdrc.0: USB OTG mode controller at d083c000 using DMA, IRQ 18
    [    0.191619] musb-hdrc musb-hdrc.1: dma type: dma-cppi41
    [    0.191894] MUSB1 controller's USBSS revision = 4ea20800
    [    0.191894] TxFifo Empty intr disabled
    [    0.191925] musb1: Enabled SW babble control
    [    0.192199] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
    [    0.192230] musb-hdrc: MHDRC RTL version 2.0
    [    0.192230] musb-hdrc: setup fifo_mode 4
    [    0.192260] musb-hdrc: 28/31 max ep, 16384/16384 memory
    [    0.192260] musb-hdrc.1: bulk split disabled
    [    0.192291] musb-hdrc.1: bulk combine disabled
    [    0.192352] musb-hdrc musb-hdrc.1: MUSB HDRC host driver
    [    0.192413] musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus number 1
    [    0.192535] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
    [    0.192565] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
    [    0.192565] usb usb1: Product: MUSB HDRC host driver
    [    0.192596] usb usb1: Manufacturer: Linux 3.2.0+ musb-hcd
    [    0.192596] usb usb1: SerialNumber: musb-hdrc.1
    [    0.193359] hub 1-0:1.0: USB hub found
    [    0.193389] hub 1-0:1.0: 1 port detected
    [    0.193878] musb-hdrc musb-hdrc.1: USB Host mode controller at d083e800 using DMA, IRQ 19
    [    0.194274] NET: Registered protocol family 2
    [    0.194458] IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
    [    0.194824] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
    [    0.194976] TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
    [    0.195068] TCP: Hash tables configured (established 8192 bind 8192)
    [    0.195068] TCP reno registered
    [    0.195068] UDP hash table entries: 256 (order: 0, 4096 bytes)
    [    0.195098] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
    [    0.195281] NET: Registered protocol family 1
    [    0.195526] RPC: Registered named UNIX socket transport module.
    [    0.195556] RPC: Registered udp transport module.
    [    0.195556] RPC: Registered tcp transport module.
    [    0.195556] RPC: Registered tcp NFSv4.1 backchannel transport module.
    [    0.195800] NetWinder Floating Point Emulator V0.97 (double precision)
    [    0.207458] VFS: Disk quotas dquot_6.5.2
    [    0.207519] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
    [    0.208038] msgmni has been set to 494
    [    0.211059] alg: No test for stdrng (krng)
    [    0.211730] io scheduler noop registered
    [    0.211730] io scheduler deadline registered
    [    0.211791] io scheduler cfq registered (default)
    [    0.212921] Could not set LED4 to fully on
    [    0.246948] omap_uart.0: ttyO0 at MMIO 0x44e09000 (irq = 72) is a OMAP UART0
    [    0.896728] console [ttyO0] enabled
    [    0.900970] omap_uart.1: ttyO1 at MMIO 0x48022000 (irq = 73) is a OMAP UART1
    [    0.908813] omap_uart.2: ttyO2 at MMIO 0x48024000 (irq = 74) is a OMAP UART2
    [    0.916595] omap_uart.3: ttyO3 at MMIO 0x481a6000 (irq = 44) is a OMAP UART3
    [    0.924346] omap_uart.4: ttyO4 at MMIO 0x481a8000 (irq = 45) is a OMAP UART4
    [    0.932128] omap_uart.5: ttyO5 at MMIO 0x481aa000 (irq = 46) is a OMAP UART5
    [    0.940399] omap4_rng omap4_rng: OMAP4 Random Number Generator ver. 2.00
    [    0.956024] brd: module loaded
    [    0.963745] loop: module loaded
    [    0.967285] i2c-core: driver [tsl2550] using legacy suspend method
    [    0.973724] i2c-core: driver [tsl2550] using legacy resume method
    [    0.980194] at24 1-0051: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
    [    1.066467] No daughter card found
    [    1.070068] at24 1-0050: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
    [    1.085266] Board name: A335_SDC
    [    1.088653] Board version: 1.0C
    [    1.091949] The board is a AM335x Smart Data Concentrator.
    [    1.099151]  omap_hsmmc.1: alias fck already exists
    [    1.108215] registered am33xx_sr device
    [    1.114013] mtdoops: mtd device (mtddev=name/number) must be supplied
    [    1.121215] omap2-nand driver initializing
    [    1.125640] OneNAND driver initializing
    [    1.131378] tun: Universal TUN/TAP device driver, 1.6
    [    1.136688] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
    [    1.143371] CAN device driver interface
    [    1.147399] CAN bus driver for Bosch D_CAN controller 1.0
    [    1.196502] davinci_mdio davinci_mdio.0: davinci mdio revision 1.6
    [    1.202972] davinci_mdio davinci_mdio.0: detected phy mask fffffffc
    [    1.211151] davinci_mdio.0: probed
    [    1.214691] davinci_mdio davinci_mdio.0: phy[0]: device 0:00, driver unknown
    [    1.222106] davinci_mdio davinci_mdio.0: phy[1]: device 0:01, driver unknown
    [    1.229797] usbcore: registered new interface driver zd1201
    [    1.235809] usbcore: registered new interface driver cdc_ether
    [    1.242095] usbcore: registered new interface driver cdc_eem
    [    1.248168] usbcore: registered new interface driver dm9601
    [    1.254058] cdc_ncm: 04-Aug-2011
    [    1.257598] usbcore: registered new interface driver cdc_ncm
    [    1.263519] Initializing USB Mass Storage driver...
    [    1.268859] usbcore: registered new interface driver usb-storage
    [    1.275146] USB Mass Storage support registered.
    [    1.280364] usbcore: registered new interface driver usbserial
    [    1.286499] usbserial: USB Serial Driver core
    [    1.291168] USB Serial support registered for pl2303
    [    1.296569] usbcore: registered new interface driver pl2303
    [    1.302398] pl2303: Prolific PL2303 USB to serial adaptor driver
    [    1.309143] mousedev: PS/2 mouse device common for all mice
    [    1.316040] omap_rtc am33xx-rtc: rtc core: registered am33xx-rtc as rtc0
    [    1.323303] i2c /dev entries driver
    [    1.327362] Linux video capture interface: v2.00
    [    1.332519] usbcore: registered new interface driver uvcvideo
    [    1.338531] USB Video Class driver (1.1.1)
    [    1.343658] lm75 1-004f: hwmon0: sensor 'tmp275'
    [    1.467346] OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
    [    1.475799] cpuidle: using governor ladder
    [    1.480590] cpuidle: using governor menu
    [    1.487030] Registered led device: EVM_SDC:usr0
    [    1.487213] Registered led device: EVM_SDC:usr1
    [    1.487396] Registered led device: EVM_SDC:usr2
    [    1.487609] Registered led device: EVM_SDC:heartbeat
    [    1.487731] omap4_aes_mod_init: loading AM33X AES driver
    [    1.493408] omap4-aes omap4-aes: AM33X AES hw accel rev: 3.02
    [    1.500152] omap4_aes_probe: probe() done
    [    1.504577] omap4_sham_mod_init: loading AM33X SHA/MD5 driver
    [    1.510742] omap4-sham omap4-sham: AM33X SHA/MD5 hw accel rev: 4.03
    [    1.528350] omap4_sham_probe: probe() done
    [    1.534942] usbcore: registered new interface driver usbhid
    [    1.540802] usbhid: USB HID core driver
    [    1.545593] usbcore: registered new interface driver snd-usb-audio
    [    1.553710] ALSA device list:
    [    1.556854]   No soundcards found.
    [    1.560394] oprofile: hardware counters not available
    [    1.565673] oprofile: using timer interrupt.
    [    1.570312] nf_conntrack version 0.5.0 (3952 buckets, 15808 max)
    [    1.577026] ip_tables: (C) 2000-2006 Netfilter Core Team
    [    1.582702] TCP cubic registered
    [    1.586212] NET: Registered protocol family 10
    [    1.591552] NET: Registered protocol family 17
    [    1.596221] can: controller area network core (rev 20090105 abi 8)
    [    1.602813] NET: Registered protocol family 29
    [    1.607452] can: raw protocol (rev 20090105)
    [    1.611938] can: broadcast manager protocol (rev 20090105 t)
    [    1.617889] Registering the dns_resolver key type
    [    1.622863] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
    [    1.630889] ThumbEE CPU extension supported.
    [    1.635406] mux: Failed to setup hwmod io irq -22
    [    1.640991] Power Management for AM33XX family
    [    1.645843] Trying to load am335x-pm-firmware.bin (60 secs timeout)
    [    1.652557] Copied the M3 firmware to UMEM
    [    1.656951] Cortex M3 Firmware Version = 0x181
    [    1.661682] DIEID: 1401b007 016b3544 00000000 20fc0002
    [    1.661712] EFUSE SMA register val = 00013e2f
    [    1.661743] Compensating OPP0: Orig nvalue:0x99c5b1 New nvalue:0x99c5b1
    [    1.661743] Compensating OPP1: Orig nvalue:0x999081 New nvalue:0x999081
    [    1.663238] Compensating OPP0: Orig nvalue:0x99baaa New nvalue:0x99baaa
    [    1.663269] Compensating OPP1: Orig nvalue:0x999788 New nvalue:0x999788
    [    1.663269] Compensating OPP2: Orig nvalue:0xaaebd4 New nvalue:0xaaebd4
    [    1.663299] Compensating OPP3: Orig nvalue:0xaacfbc New nvalue:0xaacfbc
    [    1.663299] Compensating OPP4: Orig nvalue:0xaacfbc New nvalue:0xaa9d91
    [    1.663360] create_regulator: VDD1: Failed to create debugfs directory
    [    1.671752] smartreflex smartreflex: am33xx_sr_probe: Driver initialized
    [    1.686737] clock: disabling unused clocks to save power
    [    1.699829] mmc0: host does not support reading read-only switch. assuming write-enable.
    [    1.712158] mmc0: new high speed SDHC card at address e624
    [    1.718658] mmcblk0: mmc0:e624 SU04G 3.69 GiB
    [    1.725189] Detected MACID=d0:ff:50:b3:e5:7f
    [    1.730651]  mmcblk0: p1 p2 p3
    [    1.734924] cpsw: Detected MACID = d0:ff:50:b3:e8:01
    [    1.742034] omap_rtc am33xx-rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
    [    1.751251] Waiting 2sec before mounting root device...
    [    1.930358] SR 0: curr=1137500, delta_v=-56875, calc=1080625, act=1087500, gain=00
    [    1.934020] SR 1: curr=1262500, delta_v=-63125, calc=1199375, act=1200000, gain=00
    [    3.180786] SR 0: curr=1087500, delta_v=-76466, calc=1011034, act=1012500, gain=1d
    [    3.184478] SR 1: curr=1200000, delta_v=-66656, calc=1133344, act=1137500, gain=29
    [    3.901733] kjournald starting.  Commit interval 5 seconds
    [    3.910278] EXT3-fs (mmcblk0p2): using internal journal
    [    3.915740] EXT3-fs (mmcblk0p2): recovery complete
    [    3.923004] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
    [    3.930297] VFS: Mounted root (ext3 filesystem) on device 179:2.
    [    3.936981] Freeing init memory: 240K
    [    4.431213] SR 0: curr=1012500, delta_v=2813, calc=1015313, act=1025000, gain=1d
    [    4.435211] SR 1: curr=1137500, delta_v=7995, calc=1145495, act=1150000, gain=29
    [    6.783782] kjournald starting.  Commit interval 5 seconds
    [    6.797546] EXT3-fs (mmcblk0p3): using internal journal
    [    6.803070] EXT3-fs (mmcblk0p3): recovery complete
    [    6.808135] EXT3-fs (mmcblk0p3): mounted filesystem with ordered data mode
    [    7.112518] SR 1: curr=1150000, delta_v=-4018, calc=1145982, act=1150000, gain=29
    [    7.619232] net eth0: CPSW phy found : id is : 0x4dd074
    [    7.632019] ADDRCONF(NETDEV_UP): eth0: link is not ready
    [    8.370910] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [    9.618041] PHY: 0:00 - Link is Up - 100/Full
    [    9.622741] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
    [    9.636016] SR 1: curr=1150000, delta_v=-8036, calc=1141964, act=1150000, gain=29
    [   10.890930] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   12.075439] net eth1: CPSW phy found : id is : 0x4dd074
    [   12.087860] ADDRCONF(NETDEV_UP): eth1: link is not ready
    [   12.152618] SR 1: curr=1150000, delta_v=-4018, calc=1145982, act=1150000, gain=29
    [   13.318237]  gadget: Mass Storage Function, version: 2009/09/11
    [   13.324493]  gadget: Number of LUNs=2
    [   13.328369]  lun0: LUN: removable file: /dev/mmcblk0p1
    [   13.333740]  lun1: LUN: removable file: /dev/mmcblk0p3
    [   13.339172]  gadget: Mass Storage Gadget, version: 2009/09/11
    [   13.345184]  gadget: userspace failed to provide iSerialNumber
    [   13.351318]  gadget: g_mass_storage ready
    [   13.355529] musb-hdrc musb-hdrc.0: MUSB HDRC host driver
    [   13.361175] musb-hdrc musb-hdrc.0: new USB bus registered, assigned bus number 2
    [   13.369018] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
    [   13.376129] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
    [   13.383697] usb usb2: Product: MUSB HDRC host driver
    [   13.388916] usb usb2: Manufacturer: Linux 3.2.0+ musb-hcd
    [   13.394561] usb usb2: SerialNumber: musb-hdrc.0
    [   13.399841] hub 2-0:1.0: USB hub found
    [   13.403778] hub 2-0:1.0: 1 port detected
    [   13.418243] SR 1: curr=1150000, delta_v=-4018, calc=1145982, act=1150000, gain=29
    [   14.682250] SR 1: curr=1150000, delta_v=-8036, calc=1141964, act=1150000, gain=29
    [   20.587982] eth0: no IPv6 routers present
    [   22.331787] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   23.590637] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   24.850585] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   26.110626] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   27.370605] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   28.630615] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   29.890625] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   31.150604] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   32.410583] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   33.670623] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   34.930603] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   36.190582] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   37.450653] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   38.710632] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   39.970611] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   41.230621] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   42.490600] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   43.750671] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   45.010589] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   46.270538] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   47.530578] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   48.790618] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   50.050567] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   51.310577] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   52.570617] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   53.830657] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   55.090637] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   56.350585] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   57.610565] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   58.870605] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   60.130615] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   61.390594] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   62.650573] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   63.910644] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   65.170593] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   66.430572] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   67.690582] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   68.950653] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   70.210601] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   71.470642] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   72.730590] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   73.990631] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   75.250640] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   76.510620] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   77.770690] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   79.030609] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   80.290588] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   81.550628] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   82.810668] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   84.071411] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   85.330596] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   86.590576] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   87.850646] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   89.110626] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   90.370605] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   91.630584] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   92.890625] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   94.150604] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   95.410583] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   96.670654] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   97.930664] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [   99.190612] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  100.450622] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  101.710632] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  102.970611] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  104.230590] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  105.490600] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  106.750549] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  108.010650] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  109.270599] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  110.530639] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  111.790588] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  113.050872] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  114.310607] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  115.570617] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  116.830596] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  118.090637] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  119.350616] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  120.610534] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  121.870574] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  123.130584] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  124.390594] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  125.650543] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  126.910552] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  128.170654] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  129.430603] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  130.690582] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  131.950592] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  133.210632] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  134.470581] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  135.730590] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  136.990600] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  138.250640] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  139.510620] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  140.770568] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  142.030578] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  143.290649] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  144.550598] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  145.810577] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  147.071319] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  148.330627] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  149.590576] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  150.850585] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  152.110595] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  153.370635] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  154.630523] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  155.890563] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  157.150543] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  158.410644] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  159.670593] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  160.930572] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  162.190521] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  163.450653] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  164.710571] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  165.970550] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  167.230590] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  168.490631] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  169.750610] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  171.010559] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  172.270568] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  173.530639] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  174.790588] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  176.050598] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  177.310577] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  178.570648] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  179.830627] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  181.090576] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  182.350585] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  183.610595] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  184.870574] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  186.130584] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  187.390594] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  188.650634] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  189.910583] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  191.170593] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  192.430603] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  193.690582] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  194.950592] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  196.210571] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  197.470581] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  198.730651] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  199.990570] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  201.250579] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  202.510589] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  203.770629] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  205.030548] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  206.290588] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  207.550598] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  208.810638] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  210.071380] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
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    [  215.110626] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
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    [  217.630584] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
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    [  220.150604] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  221.410614] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  222.670593] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  223.930633] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  225.190612] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
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    [  228.970642] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
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    [  237.790679] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  239.050720] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  240.310516] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  241.570587] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
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    [  255.430572] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  256.690582] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  257.950653] SR 1: curr=1150000, delta_v=-12013, calc=1137987, act=1150000, gain=29
    [  259.211700] SR 1: curr=1150000, delta_v=-8036, calc=1141964, act=1150000, gain=29
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  • 0 in reply to Julian Villegas
    TI__Guru** 116100 points

    Hi Julian,

    1)

       0.896728] console [ttyO0] enabled
    [    0.900970] omap_uart.1: ttyO1 at MMIO 0x48022000 (irq = 73) is a OMAP UART1
    [    0.908813] omap_uart.2: ttyO2 at MMIO 0x48024000 (irq = 74) is a OMAP UART2
    [    0.916595] omap_uart.3: ttyO3 at MMIO 0x481a6000 (irq = 44) is a OMAP UART3
    [    0.924346] omap_uart.4: ttyO4 at MMIO 0x481a8000 (irq = 45) is a OMAP UART4
    [    0.932128] omap_uart.5: ttyO5 at MMIO 0x481aa000 (irq = 46) is a OMAP UART5
    [    0.940399] omap4_rng omap4_rng: OMAP4 Random Number Generator ver. 2.00

    I am able to see the UART driver registrations.

    messages that UART1 is tty01, UART 2 tty02, and so on.

    Please check one more time that you are using ttyO1 and not tty01

    that is O (OMAP) and not 0 (zer0)

    2) Try to initiate "udev start" at /etc/initd.d/udev

  • 0 in reply to Titusrathinaraj Stalin
    Prodigy 70 points

    Hi again,


    Really thanks for your help. Actually it solves the problem. I was putting tty01 and not ttyO1.


    Julian

  • 0 in reply to Julian Villegas
    TI__Guru** 116100 points

    Hi Julian,

    Sounds good.

    Thanks for your update.