ENABLE I2C2 IN BEAGLE XM

Hi Shan,

It seems that you have problems with the I2C communication but I couldn't obtain enough information from the log which you post.

There is some useful information which I found about I2C:

http://processors.wiki.ti.com/index.php/I2C_Tips

http://www.jumpnowtek.com/index.php?option=com_content&view=article&id=69&Itemid=78

BR

Tsvetolin Shulev

hi Tsvetolin Shulev,

                    i am a begineer in linux  C i tried to solve the issue but i cant, but i found out  what the error is occurring. herewith i have attached the log file and source code can you provide me assistance with these.

ERROR WHICH I HAVE FOUND WAS:

i2c address is not passing

before getting i2c address the xclk is coming as 24mhz correctly but after that it goes to the power down sequence

These error you can easily find out in log file

LOG FILE:

Texas Instruments X-Loader 1.51 (Oct 18 2012 - 11:49:53)
Unsupported Chip!
Beagle xM Rev C
Starting X-loader on MMC
Reading boot sector

213256 Bytes Read from MMC
Starting OS Bootloader from MMC...
Starting OS Bootloader...


U-Boot 2010.06 (Oct 18 2012 - 11:51:14)

OMAP34xx/35xx-GP ES2.1, CPU-OPP2 L3-165MHz
OMAP3 Beagle board + LPDDR/NAND
I2C:   ready
DRAM:  384 MiB
NAND:  HW ECC [Kernel/FS layout] selected
0 MiB
*** Warning - bad CRC or NAND, using default environment

In:    serial
Out:   serial
Err:   serial
Beagle xM Rev A/C
Die ID #74b200229ff800000160a7450501d026
Hit any key to stop autoboot: 10 ### 9 ### 8 ### 7 ### 0
OMAP3 beagleboard.org # mmc init
mmc1 is available
OMAP3 beagleboard.org # fatload mmc 0 82000000 uImage
reading uImage

3265972 bytes read
OMAP3 beagleboard.org # setenv bootargs 'console=ttyO2,115200n8 mem=256M root=/d
ev/mmcblk0p2 rw rootfstype=ext4 rootdelay=1 init=/init omap_vout.vid1_static_vrf
b_alloc=y vram=8M omapfb.vram=0:8M '
OMAP3 beagleboard.org # bootm 0x82000000
## Booting kernel from Legacy Image at 82000000 ...
   Image Name:   Linux-2.6.37-g5c414d7-dirty
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    3265908 Bytes = 3.1 MiB
   Load Address: 80008000
   Entry Point:  80008000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK
OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
Linux version 2.6.37-g5c414d7-dirty (oviserver@oviserver-Vostro-260s) (gcc versi
on 4.4.3 (GCC) ) #95 Fri Jan 25 11:46:11 IST 2013
CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7f
CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine: OMAP3 Beagle Board
Reserving 8388608 bytes SDRAM for VRAM
Memory policy: ECC disabled, Data cache writeback
OMAP3630 ES1.2 (l2cache iva sgx neon isp 192mhz_clk )
SRAM: Mapped pa 0x40200000 to va 0xfe400000 size: 0x10000
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 62976
Kernel command line: console=ttyO2,115200n8 mem=256M root=/dev/mmcblk0p2 rw root
fstype=ext4 rootdelay=1 init=/init omap_vout.vid1_static_vrfb_alloc=y vram=8M om
apfb.vram=0:8M
PID hash table entries: 1024 (order: 0, 4096 bytes)
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 248MB = 248MB total
Memory: 243996k/243996k available, 18148k reserved, 0K highmem
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    DMA     : 0xffc00000 - 0xffe00000   (   2 MB)
    vmalloc : 0xd0800000 - 0xf8000000   ( 632 MB)
    lowmem  : 0xc0000000 - 0xd0000000   ( 256 MB)
    modules : 0xbf000000 - 0xc0000000   (  16 MB)
      .init : 0xc0008000 - 0xc003e000   ( 216 kB)
      .text : 0xc003e000 - 0xc0667000   (6308 kB)
      .data : 0xc0668000 - 0xc06b5ac0   ( 311 kB)
NR_IRQS:409
Clocking rate (Crystal/Core/MPU): 26.0/400/600 MHz
Reprogramming SDRC clock to 400000000 Hz
dpll3_m2_clk rate change failed: -22
IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts
Total of 96 interrupts on 1 active controller
GPMC revision 5.0
Trying to install interrupt handler for IRQ402
Trying to install interrupt handler for IRQ403
Trying to install interrupt handler for IRQ404
Trying to install interrupt handler for IRQ405
Trying to install interrupt handler for IRQ406
Trying to install interrupt handler for IRQ407
Trying to install interrupt handler for IRQ408
Trying to install type control for IRQ409
Trying to set irq flags for IRQ409
OMAP clockevent source: GPTIMER1 at 32768 Hz
Console: colour dummy device 80x30
Calibrating delay loop... 597.64 BogoMIPS (lpj=2334720)
pid_max: default: 32768 minimum: 301
Security Framework initialized
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
regulator: core version 0.5
regulator: dummy:
NET: Registered protocol family 16
OMAP GPIO hardware version 2.5
OMAP GPIO hardware version 2.5
OMAP GPIO hardware version 2.5
OMAP GPIO hardware version 2.5
OMAP GPIO hardware version 2.5
OMAP GPIO hardware version 2.5
omap_mux_init: Add partition: #1: core, flags: 0
OMAP3 Beagle Rev: xM C
Found NAND on CS0
Registering NAND on CS0
Unable to get DVI reset GPIO
deviceless supply cam_1v8 not found, using dummy regulator
deviceless supply cam_2v8 not found, using dummy regulator
OVIYA  beagle_cam_init  
hw-breakpoint: debug architecture 0x4 unsupported.
OMAP DMA hardware revision 5.0
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
omap_i2c omap_i2c.1: bus 1 rev4.0 at 2600 kHz
twl4030: PIH (irq 7) chaining IRQs 368..375
twl4030: power (irq 373) chaining IRQs 376..383
twl4030: gpio (irq 368) chaining IRQs 384..401
regulator: VUSB1V5: 1500 mV normal standby
regulator: VUSB1V8: 1800 mV normal standby
regulator: VUSB3V1: 3100 mV normal standby
twl4030_usb twl4030_usb: Initialized TWL4030 USB module
regulator: VMMC1: 1850 <--> 3150 mV at 3000 mV normal standby
regulator: VDAC: 1800 mV normal standby
regulator: VDVI: 1800 mV normal standby
regulator: VSIM: 1800 <--> 3000 mV at 1800 mV normal standby
regulator: VAUX3: 1800 mV normal standby
regulator: VAUX4: 1800 mV normal standby
omap_i2c omap_i2c.2: bus 2 rev4.0 at 100 kHz
omap_i2c omap_i2c.3: bus 3 rev4.0 at 100 kHz
Advanced Linux Sound Architecture Driver Version 1.0.23.
Switching to clocksource 32k_counter
musb-hdrc: version 6.0, otg (peripheral+host), debug=0
musb-hdrc musb-hdrc.0: dma type: dma-inventra
musb-hdrc musb-hdrc.0: USB OTG mode controller at fa0ab000 using DMA, IRQ 92
NET: Registered protocol family 2
IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
TCP established hash table entries: 8192 (order: 4, 65536 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
NetWinder Floating Point Emulator V0.97 (double precision)
omap-iommu omap-iommu.0: isp registered
AM37x/DM37x  Linux PSP version 04.02.00.07 (OMAP3BEAGLE)
ashmem: initialized
VFS: Disk quotas dquot_6.5.2
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
JFFS2 version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
msgmni has been set to 476
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
OMAP DSS rev 2.0
OMAP DISPC rev 3.0
OMAP VENC rev 2
OMAP DSI rev 1.0
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
omap_uart.0: ttyO0 at MMIO 0x4806a000 (irq = 72) is a OMAP UART0
omap_uart.1: ttyO1 at MMIO 0x4806c000 (irq = 73) is a OMAP UART1
omap_uart.2: ttyO2 at MMIO 0x49020000 (irq = 74) is a OMAP UART2
console [ttyO2] enabled
omap_uart.3: ttyO3 at MMIO 0x49042000 (irq = 80) is a OMAP UART3
brd: module loaded
loop: module loaded
mtdoops: mtd device (mtddev=name/number) must be supplied
omap2-nand driver initializing
No NAND device found.
No NAND device found.
OneNAND driver initializing
usbcore: registered new interface driver asix
usbcore: registered new interface driver cdc_ether
usbcore: registered new interface driver smsc95xx
usbcore: registered new interface driver net1080
usbcore: registered new interface driver cdc_subset
usbcore: registered new interface driver zaurus
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-omap.0 supply hsusb0 not found, using dummy regulator
ehci-omap.0 supply hsusb1 not found, using dummy regulator
ehci-omap ehci-omap.0: OMAP-EHCI Host Controller
ehci-omap ehci-omap.0: new USB bus registered, assigned bus number 1
ehci-omap ehci-omap.0: irq 77, io mem 0x48064800
ehci-omap ehci-omap.0: USB 2.0 started, EHCI 1.00
usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: OMAP-EHCI Host Controller
usb usb1: Manufacturer: Linux 2.6.37-g5c414d7-dirty ehci_hcd
usb usb1: SerialNumber: ehci-omap.0
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 3 ports detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
android init
android_probe pdata: c06780e4
android_bind
android_usb gadget: android_usb ready
musb-hdrc musb-hdrc.0: MUSB HDRC host driver
musb-hdrc musb-hdrc.0: new USB bus registered, assigned bus number 2
usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb2: Product: MUSB HDRC host driver
usb usb2: Manufacturer: Linux 2.6.37-g5c414d7-dirty musb-hcd
usb usb2: SerialNumber: musb-hdrc.0
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 1 port detected
mice: PS/2 mouse device common for all mice
input: gpio-keys as /devices/platform/gpio-keys/input/input0
input: twl4030_pwrbutton as /devices/platform/omap/omap_i2c.1/i2c-1/1-0049/twl40
30_pwrbutton/input/input1
using rtc device, twl_rtc, for alarms
twl_rtc twl_rtc: rtc core: registered twl_rtc as rtc0
twl_rtc twl_rtc: Power up reset detected.
twl_rtc twl_rtc: Enabling TWL-RTC.
i2c /dev entries driver
Linux media interface: v0.10
Linux video capture interface: v2.00
OVIYA MT9T111 Init +++++++++++++++++++++++++OVIYA ISP PROBE ++++++
omap3isp supply VDD_CSIPHY1 not found, using dummy regulator
omap3isp supply VDD_CSIPHY2 not found, using dummy regulator
OVIYA ISP ENABLE CLOCK +++++++++++++
omap3isp omap3isp: Revision 15.0 found
omap-iommu omap-iommu.0: isp: version 1.1
OVIYA MT9T111 Probe +++++++++++++++++++++++++OVIYA RST  >>> 0OVIYA ISP isp_set_x
clk
OVIYA ISP    isp_set_xclk  214  xclk= 0  div= 7 cclk= 24685714   mclk 172800000
 
OVIYA BOARD SET XCLK -----------------OVIYA RST  >>> 1 OVIYA RVAL S POWER ------
--= 0
OVIYA  Chip  3c   Reg 300a   mt9t111_read_reg  
mt9t111_read_reg:write reg error:reg=300a
OVIYA READ REG val=49255  ID  12298   ID_VAL 86    mt9t111_detect  
OVIYA RVAL IN INIT -------------- -19
mt9t111 2-003c: Unable to detectmt9t111sensor
OVIYA POWER DOWN beagle_mt9v113_s_power OVIYA ISP isp_set_xclk
OVIYA ISP    isp_set_xclk  214  xclk= 0  div= 0 cclk= 0   mclk 172800000  
isp_register_subdev_group: Unable to register subdev mt9t111
usbcore: registered new interface driver uvcvideo
USB Video Class driver (v1.0.0)
OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
twl4030_wdt twl4030_wdt: Failed to register misc device
twl4030_wdt: probe of twl4030_wdt failed with error -16
device-mapper: uevent: version 1.0.3
device-mapper: ioctl: 4.18.0-ioctl (2010-06-29) initialised: dm-devel@redhat.com
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
logger: created 64K log 'log_main'
logger: created 256K log 'log_events'
logger: created 64K log 'log_radio'
logger: created 64K log 'log_system'
usbcore: registered new interface driver snd-usb-audio
OMAP3 Beagle/Devkit8000 SoC init
usb 1-2: new high speed USB device using ehci-omap and address 2
asoc: twl4030-hifi <-> omap-mcbsp-dai.1 mapping ok
ALSA device list:
  #0: omap3beagle
oprofile: hardware counters not available
oprofile: using timer interrupt.
TCP cubic registered
Initializing XFRM netlink socket
NET: Registered protocol family 10
IPv6 over IPv4 tunneling driver
NET: Registered protocol family 17
NET: Registered protocol family 15
Registering the dns_resolver key type
VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
ThumbEE CPU extension supported.
Power Management for TI OMAP3.
smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized
smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized
SmartReflex Class3 initialized
clock: disabling unused clocks to save power
platform iva.0: omap_voltage_scale: Already at the requestedrate 800000000
platform mpu.0: omap_voltage_scale: Already at the requestedrate 1000000000
usb 1-2: New USB device found, idVendor=0424, idProduct=9514
usb 1-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
hub 1-2:1.0: USB hub found
hub 1-2:1.0: 5 ports detected
regulator_init_complete: incomplete constraints, leaving VAUX3 on
regulator_init_complete: incomplete constraints, leaving VDAC on
twl_rtc twl_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
omap_vout omap_vout: Buffer Size = 3686400
omap_vout omap_vout: : registered and initialized video device 15
omap_vout omap_vout: Buffer Size = 3686400
omap_vout omap_vout: : registered and initialized video device 16
Waiting 1sec before mounting root device...
mmc0: host does not support reading read-only switch. assuming write-enable.
mmc0: new high speed SDHC card at address aaaa
mmcblk0: mmc0:aaaa SU04G 3.69 GiB
 mmcblk0: p1 p2 p3
usb 1-2.1: new high speed USB device using ehci-omap and address 3
usb 1-2.1: New USB device found, idVendor=0424, idProduct=ec00
usb 1-2.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
smsc95xx v1.0.4
smsc95xx 1-2.1:1.0: usb0: register 'smsc95xx' at usb-ehci-omap.0-2.1, smsc95xx U
SB 2.0 Ethernet, 92:74:ed:c5:e8:76
EXT4-fs (mmcblk0p2): warning: maximal mount count reached, running e2fsck is rec
ommended
EXT4-fs (mmcblk0p2): recovery complete
EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) on device 179:2.
Freeing init memory: 216K
Failed to execute /init.  Attempting defaults...
INIT: version 2.86 booting
Please wait: booting...
Starting udev
udev: starting version 151
udevd (716): /proc/716/oom_adj is deprecated, please use /proc/716/oom_score_adj
 instead.
usb_id[726]: unable to access '/devices/platform/musb-omap2430/musb-hdrc.0/usb2'

usb_id[748]: unable to access '/devices/platform/musb-omap2430/musb-hdrc.0/usb2'

Remounting root file system...
EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
Caching udev devnodes
Populating dev cache
root: mount: mount point /proc/bus/usb does not exist
ALSA: Restoring mixer settings...
Configuring network interfaces... /usr/sbin/alsactl: parse:1655: Unable to open
file '/usr/share/alsa/init/00main': No such file or directory
ifconfig: SIOCGIFFLAGS: No such device
ifconfig: SIOCGIFFLAGS: No such device
eth0      No such device

ifconfig: SIOCGIFFLAGS: No such device
usb0      no wireless extensions.

udhcpc (v1.13.2) started
run-parts: /etc/udhcpc.d/00avahi-autoipd exited with code 1
Sending discover...
Sending discover...
Sending discover...
No lease, forking to background
done.
Starting portmap daemon: portmap.
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.rp_filter = 1
Tue Jan 11 10:13:00 GMT 2011
INIT: Entering runlevel: 5
Starting system message bus: dbus.
Starting Hardware abstraction layer hald
OVIYA ISP ENABLE CLOCK +++++++++++++Starting Dropbear SSH server: dropbear.
Starting advanced power management daemon: No APM support in kernel
(failed.)
Starting Vixie-cron.
Starting Samba: smbd nmbd.
Starting syslogd/klogd: done
Starting internet superserver: xinetd.
 * Starting Avahi mDNS/DNS-SD Daemon: avahi-daemon
 *[fail]
Starting Network connection manager daemon: NetworkManager.
Loading kernel modules for gstreamer-ti...
Running /usr/share/ti/gst/omap3530/loadmodules.shFATAL: Module cmemk not found.
FATAL: Module dsplinkk not found.
FATAL: Module lpm_omap3530 not found.
FATAL: Module sdmak not found.
  done
Starting PVR
Usage: insmod filename [args]
FATAL: Module omaplfb not found.
FATAL: Module bufferclass_ti not found.
BusyBox v1.13.2 (2011-01-04 12:34:55 CET) multi-call binary

Usage: mknod [OPTIONS] NAME TYPE MAJOR MINOR

Create a special file (block, character, or pipe)

Options:
    -m    Create the special file using the specified mode (default a=rw)
TYPEs include:
    b:    Make a block device
    c or u:    Make a character device
    p:    Make a named pipe (MAJOR and MINOR are ignored)

chmod: /dev/pvrsrvkm: No such file or directory
Starting GNOME Display Manager gdm

.-------.                                           
|       |                  .-.                      
|   |   |-----.-----.-----.| |   .----..-----.-----.
|       |     | __  |  ---'| '--.|  .-'|     |     |
|   |   |  |  |     |---  ||  --'|  |  |  '  | | | |
'---'---'--'--'--.  |-----''----''--'  '-----'-'-'-'
                -'  |
                '---'

The Angstrom Distribution beagleboard ttyO2

Angstrom 2010.7-test-20110104 beagleboard ttyO2

beagleboard login: root
root@beagleboard:~#
root@beagleboard:~#
root@beagleboard:~# ls
Desktop
root@beagleboard:~# cd /
root@beagleboard:/# ./capture
OVIYA ISP ENABLE CLOCK +++++++++++++OPENED main 695
/dev/video0 is no video capture device
root@beagleboard:/#
usb 1-2:

thanks

shan1638.board-omap3beagle.c0724.mt9t111.c4718.isp.c