AM335x LCD显示屏的问题

您好：

      以下是我的log信息；

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
[ 0.000000] Linux version 3.2.0 (rootwu@rootwu-VirtualBox) (gcc version 4.7.3 20130226 (prerelease) (crosstool-NG linaro-1.13.1-4.7-2013.03-20130313 - Linaro GCC 2013.03) ) #3 Mon Dec 22 15:27:20 CST 2014
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instructio n cache
[ 0.000000] Machine: am335xevm
[ 0.000000] Memory policy: ECC disabled, Data cache writeback
[ 0.000000] AM335X ES2.1 (sgx neon )
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pag es: 130048
[ 0.000000] Kernel command line: root=/dev/mmcblk0p2 rootwait console=ttyO0,1 15200
[ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Memory: 512MB = 512MB total
[ 0.000000] Memory: 502700k/502700k available, 21588k 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 : 0xe0800000 - 0xff000000 ( 488 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xe0000000 ( 512 MB)
[ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB)
[ 0.000000] .text : 0xc0008000 - 0xc05a1000 (5732 kB)
[ 0.000000] .init : 0xc05a1000 - 0xc100c000 (10668 kB)
[ 0.000000] .data : 0xc100c000 - 0xc1077308 ( 429 kB)
[ 0.000000] .bss : 0xc107732c - 0xc10a62a4 ( 188 kB)
[ 0.000000] NR_IRQS:396
[ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrup ts
[ 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 13 1071999ms
[ 0.000000] Console: colour dummy device 80x30
[ 0.000061] Calibrating delay loop... 996.14 BogoMIPS (lpj=4980736)
[ 0.089233] pid_max: default: 32768 minimum: 301
[ 0.089324] Security Framework initialized
[ 0.089385] Mount-cache hash table entries: 512
[ 0.089691] CPU: Testing write buffer coherency: ok
[ 0.108947] omap_hwmod: pruss: failed to hardreset
[ 0.109863] print_constraints: dummy:
[ 0.110137] NET: Registered protocol family 16
[ 0.111755] OMAP GPIO hardware version 0.1
[ 0.113708] omap_mux_init: Add partition: #1: core, flags: 0
[ 0.115142] omap_i2c.1: alias fck already exists
[ 0.115814] omap2_mcspi.1: alias fck already exists
[ 0.115966] omap2_mcspi.2: alias fck already exists
[ 0.116638] edma.0: alias fck already exists
[ 0.116668] edma.0: alias fck already exists
[ 0.116668] edma.0: alias fck already exists
[ 0.136535] bio: create slab <bio-0> at 0
[ 0.138183] SCSI subsystem initialized
[ 0.139434] usbcore: registered new interface driver usbfs
[ 0.139648] usbcore: registered new interface driver hub
[ 0.139801] usbcore: registered new device driver usb
[ 0.140045] registerd cppi-dma Intr @ IRQ 17
[ 0.140045] Cppi41 Init Done Qmgr-base(e087a000) dma-base(e0878000)
[ 0.140045] Cppi41 Init Done
[ 0.140075] musb-ti81xx musb-ti81xx: musb0, board_mode=0x13, plat_mode=0x3
[ 0.140289] musb-ti81xx musb-ti81xx: musb1, board_mode=0x13, plat_mode=0x1
[ 0.141174] omap_i2c omap_i2c.1: bus 1 rev2.4.0 at 100 kHz
[ 0.142242] tps65910 1-002d: could not be detected
[ 0.143249] Advanced Linux Sound Architecture Driver Version 1.0.24.
[ 0.144073] Switching to clocksource gp timer
[ 0.155487] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host)
[ 0.155639] musb-hdrc musb-hdrc.0: dma type: dma-cppi41
[ 0.155883] MUSB0 controller's USBSS revision = 4ea20800
[ 0.155914] musb0: Enabled SW babble control
[ 0.156646] musb-hdrc musb-hdrc.0: USB OTG mode controller at e083c000 using DMA, IRQ 18
[ 0.156768] musb-hdrc musb-hdrc.1: dma type: dma-cppi41
[ 0.156982] MUSB1 controller's USBSS revision = 4ea20800
[ 0.157012] musb1: Enabled SW babble control
[ 0.157348] musb-hdrc musb-hdrc.1: MUSB HDRC host driver
[ 0.157409] musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus numbe r 1
[ 0.157531] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.157531] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber= 1
[ 0.157531] usb usb1: Product: MUSB HDRC host driver
[ 0.157562] usb usb1: Manufacturer: Linux 3.2.0 musb-hcd
[ 0.157562] usb usb1: SerialNumber: musb-hdrc.1
[ 0.158203] hub 1-0:1.0: USB hub found
[ 0.158233] hub 1-0:1.0: 1 port detected
[ 0.158660] musb-hdrc musb-hdrc.1: USB Host mode controller at e083e800 using DMA, IRQ 19
[ 0.158996] NET: Registered protocol family 2
[ 0.159149] IP route cache hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.159362] TCP established hash table entries: 16384 (order: 5, 131072 bytes )
[ 0.159576] TCP bind hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.159698] TCP: Hash tables configured (established 16384 bind 16384)
[ 0.159729] TCP reno registered
[ 0.159729] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.159759] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.159912] NET: Registered protocol family 1
[ 0.160125] RPC: Registered named UNIX socket transport module.
[ 0.160125] RPC: Registered udp transport module.
[ 0.160125] RPC: Registered tcp transport module.
[ 0.160125] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.230590] NetWinder Floating Point Emulator V0.97 (double precision)
[ 0.247467] VFS: Disk quotas dquot_6.5.2
[ 0.247528] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.247955] msgmni has been set to 981
[ 0.250366] alg: No test for stdrng (krng)
[ 0.250885] io scheduler noop registered
[ 0.250915] io scheduler deadline registered
[ 0.250976] io scheduler cfq registered (default)
[ 0.251892] Could not set LED4 to fully on
[ 0.305053] omap_uart.0: ttyO0 at MMIO 0x44e09000 (irq = 72) is a OMAP UART0
[ 0.883758] console [ttyO0] enabled
[ 0.887786] omap_uart.1: ttyO1 at MMIO 0x48022000 (irq = 73) is a OMAP UART1
[ 0.895507] omap_uart.2: ttyO2 at MMIO 0x48024000 (irq = 74) is a OMAP UART2
[ 0.903198] omap_uart.3: ttyO3 at MMIO 0x481a6000 (irq = 44) is a OMAP UART3
[ 0.910888] omap_uart.4: ttyO4 at MMIO 0x481a8000 (irq = 45) is a OMAP UART4
[ 0.918548] omap_uart.5: ttyO5 at MMIO 0x481aa000 (irq = 46) is a OMAP UART5
[ 0.926605] omap4_rng omap4_rng: OMAP4 Random Number Generator ver. 2.00
[ 0.940460] brd: module loaded
[ 0.947418] loop: module loaded
[ 0.950866] i2c-core: driver [tsl2550] using legacy suspend method
[ 0.957336] i2c-core: driver [tsl2550] using legacy resume method
[ 0.963775] at24 1-0051: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
[ 1.064636] No daughter card found
[ 1.068237] at24 1-0050: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
[ 1.083404] Board name: A335BNLT
[ 1.086822] Board version: 00C0
[ 1.090087] The board is a AM335x Beaglebone Black.
[ 1.097259] tps65217 1-0024: TPS65217 ID 0xe version 1.2
[ 1.104766] print_constraints: DCDC1: 900 <--> 1800 mV at 1500 mV
[ 1.113189] print_constraints: DCDC2: 900 <--> 3300 mV at 1325 mV
[ 1.121612] print_constraints: DCDC3: 900 <--> 1500 mV at 1125 mV
[ 1.130004] print_constraints: LDO1: 1000 <--> 3300 mV at 1800 mV
[ 1.138397] print_constraints: LDO2: 900 <--> 3300 mV at 3300 mV
[ 1.146697] print_constraints: LDO3: 1800 <--> 3300 mV at 1800 mV
[ 1.155090] print_constraints: LDO4: 1800 <--> 3300 mV at 3300 mV
[ 1.162048] Maximum current provided by the USB port is 500mA which is not su fficient
[ 1.162048] when operating @OPP120 and OPPTURBO. The current requirement for some
[ 1.162048] use-cases using OPP100 might also exceed the maximum current that the
[ 1.162048] USB port can provide. Unless you are fully confident that the cur rent
[ 1.162048] requirements for OPP100 use-case don't exceed the USB limits, swi tching
[ 1.162078] to AC power is recommended.
[ 1.206176] omap_hsmmc.0: alias fck already exists
[ 1.211578] omap_hsmmc.1: alias fck already exists
[ 1.216979] omap_i2c.3: alias fck already exists
[ 1.222167] omap_i2c omap_i2c.3: bus 3 rev2.4.0 at 100 kHz
[ 1.229675] registered am33xx_sr device
[ 1.235168] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 1.242218] omap2-nand driver initializing
[ 1.246643] OneNAND driver initializing
[ 1.251647] CAN device driver interface
[ 1.255676] CAN bus driver for Bosch D_CAN controller 1.0
[ 1.304718] davinci_mdio davinci_mdio.0: davinci mdio revision 1.6
[ 1.311187] davinci_mdio davinci_mdio.0: detected phy mask fffffffe
[ 1.321624] davinci_mdio.0: probed
[ 1.325256] davinci_mdio davinci_mdio.0: phy[0]: device 0:00, driver SMSC LAN 8710/LAN8720
[ 1.334106] usbcore: registered new interface driver zd1201
[ 1.340087] usbcore: registered new interface driver cdc_ether
[ 1.346313] usbcore: registered new interface driver cdc_eem
[ 1.352355] usbcore: registered new interface driver dm9601
[ 1.358215] cdc_ncm: 04-Aug-2011
[ 1.361724] usbcore: registered new interface driver cdc_ncm
[ 1.367645] Initializing USB Mass Storage driver...
[ 1.372894] usbcore: registered new interface driver usb-storage
[ 1.379180] USB Mass Storage support registered.
[ 1.384094] gadget: using random self ethernet address
[ 1.389556] gadget: using random host ethernet address
[ 1.395507] usb0: MAC 96:9f:0a:34:86:0f
[ 1.399505] usb0: HOST MAC 62:f3:a1:30:54:27
[ 1.404022] gadget: Ethernet Gadget, version: Memorial Day 2008
[ 1.410339] gadget: g_ether ready
[ 1.413909] musb-hdrc musb-hdrc.0: MUSB HDRC host driver
[ 1.419525] musb-hdrc musb-hdrc.0: new USB bus registered, assigned bus numbe r 2
[ 1.427337] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.434448] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber= 1
[ 1.442016] usb usb2: Product: MUSB HDRC host driver
[ 1.447204] usb usb2: Manufacturer: Linux 3.2.0 musb-hcd
[ 1.452758] usb usb2: SerialNumber: musb-hdrc.0
[ 1.458160] hub 2-0:1.0: USB hub found
[ 1.462097] hub 2-0:1.0: 1 port detected
[ 1.467102] mousedev: PS/2 mouse device common for all mice
[ 1.473846] omap_rtc am33xx-rtc: rtc core: registered am33xx-rtc as rtc0
[ 1.481079] i2c /dev entries driver
[ 1.485198] Linux video capture interface: v2.00
[ 1.490264] usbcore: registered new interface driver uvcvideo
[ 1.496307] USB Video Class driver (1.1.1)
[ 1.775512] OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[ 1.782958] cpuidle: using governor ladder
[ 1.787658] cpuidle: using governor menu
[ 1.795318] omap4_aes_mod_init: loading AM33X AES driver
[ 1.800964] omap4-aes omap4-aes: AM33X AES hw accel rev: 3.02
[ 1.807464] omap4_aes_probe: probe() done
[ 1.811676] gadget: high-speed config #2: RNDIS
[ 1.817047] omap4_sham_mod_init: loading AM33X SHA/MD5 driver
[ 1.823211] omap4-sham omap4-sham: AM33X SHA/MD5 hw accel rev: 4.03
[ 1.852813] omap4_sham_probe: probe() done
[ 1.859344] usbcore: registered new interface driver usbhid
[ 1.865234] usbhid: USB HID core driver
[ 1.870025] usbcore: registered new interface driver snd-usb-audio
[ 1.878021] ALSA device list:
[ 1.881134] No soundcards found.
[ 1.884704] oprofile: hardware counters not available
[ 1.890045] oprofile: using timer interrupt.
[ 1.894561] nf_conntrack version 0.5.0 (7854 buckets, 31416 max)
[ 1.901306] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 1.907043] TCP cubic registered
[ 1.910430] NET: Registered protocol family 17
[ 1.915100] can: controller area network core (rev 20090105 abi 8)
[ 1.921630] NET: Registered protocol family 29
[ 1.926300] can: raw protocol (rev 20090105)
[ 1.930786] can: broadcast manager protocol (rev 20090105 t)
[ 1.936737] Registering the dns_resolver key type
[ 1.941741] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[ 1.949798] ThumbEE CPU extension supported.
[ 1.954345] mux: Failed to setup hwmod io irq -22
[ 1.959869] Power Management for AM33XX family
[ 1.964752] Trying to load am335x-pm-firmware.bin (60 secs timeout)
[ 1.971466] Copied the M3 firmware to UMEM
[ 1.975860] Cortex M3 Firmware Version = 0x181
[ 1.981323] create_regulator: DCDC2: Failed to create debugfs directory
[ 1.988983] smartreflex smartreflex: am33xx_sr_probe: Driver initialized
[ 2.000122] clock: disabling unused clocks to save power
[ 2.007934] mmc1: new high speed MMC card at address 0001
[ 2.020751] mmcblk0: mmc1:0001 MMC04G 3.60 GiB
[ 2.025878] mmcblk0boot0: mmc1:0001 MMC04G partition 1 2.00 MiB
[ 2.035766] mmcblk0boot1: mmc1:0001 MMC04G partition 2 2.00 MiB
[ 2.046447] mmcblk0: unknown partition table
[ 2.053100] mmcblk0boot1: unknown partition table
[ 2.062988] mmcblk0boot0: unknown partition table
[ 2.362396] Detected MACID=d0:39:72:74:ef:29
[ 2.368041] cpsw: Detected MACID = d0:39:72:74:ef:2b
[ 2.374298] omap_rtc am33xx-rtc: setting system clock to 2000-01-01 00:00:01 UTC (946684801)
[ 2.396179] Freeing init memory: 10668K
INIT: version 2.88 booting
Starting udev
[ 4.537353] EXT3-fs (mmcblk0): error: can't find ext3 filesystem on dev mmcbl k0.
[ 4.545654] EXT2-fs (mmcblk0): error: can't find an ext2 filesystem on dev mm cblk0.
[ 4.554077] FAT-fs (mmcblk0): bogus number of reserved sectors
[ 4.560211] FAT-fs (mmcblk0): Can't find a valid FAT filesystem
[ 4.579772] cramfs: wrong magic
[ 4.583526] FAT-fs (mmcblk0): bogus number of reserved sectors
[ 4.589660] FAT-fs (mmcblk0): Can't find a valid FAT filesystem
[ 4.861816] EXT3-fs (mmcblk0boot0): error: can't find ext3 filesystem on dev mmcblk0boot0.
[ 4.872070] EXT2-fs (mmcblk0boot0): error: can't find an ext2 filesystem on d ev mmcblk0boot0.
[ 4.885833] EXT3-fs (mmcblk0boot1): error: can't find ext3 filesystem on dev mmcblk0boot1.
[ 4.895019] FAT-fs (mmcblk0boot0): bogus number of reserved sectors
[ 4.901611] FAT-fs (mmcblk0boot0): Can't find a valid FAT filesystem
[ 4.908782] EXT2-fs (mmcblk0boot1): error: can't find an ext2 filesystem on d ev mmcblk0boot1.
[ 4.925964] FAT-fs (mmcblk0boot1): bogus number of reserved sectors
[ 4.932556] FAT-fs (mmcblk0boot1): Can't find a valid FAT filesystem
[ 4.945617] cramfs: wrong magic
[ 4.952697] FAT-fs (mmcblk0boot0): bogus number of reserved sectors
[ 4.959320] FAT-fs (mmcblk0boot0): Can't find a valid FAT filesystem
[ 4.976043] cramfs: wrong magic
[ 4.982238] FAT-fs (mmcblk0boot1): bogus number of reserved sectors
[ 4.988861] FAT-fs (mmcblk0boot1): Can't find a valid FAT filesystem
Starting Bootlog daemon: bootlogd: cannot allocate pseudo tty: No such file or d irectory
bootlogd.
Configuring network interfaces... [ 5.790802] net eth0: CPSW phy found : id i s : 0x7c0f1
udhcpc (v1.20.2) started
Sending discover...
Sending discover...
Sending discover...
No lease, failing
done.
Mon Feb 17 19:03:00 UTC 2014
Collected errors:
INIT: Entering runlevel: 5ot create lock file /var/lib/opkg/lock: No such fil
Starting syslogd/klogd: done
****************************************************
****************************************************

Sitara Flash Fetcher Script - 07/28/2014

udhcpc (v1.20.2) started
Sending discover...
Sending discover...
Sending discover...
Sending select for 192.168.100.32...
Lease of 192.168.100.32 obtained, lease time 600
Getting flasher script from server: 192.168.100.1

********************************************
Sitara Flash Fetcher is complete. Executing debrick.sh.

Calling Script=debrick.sh with SERVER_IP=192.168.100.1
****************************************************
****************************************************

Sitara Example Flashing Script - 02/11/2014

Getting files from server: 192.168.100.1
1+0 records in
1+0 records out
No partition found. Continuing.
Partitioning the eMMC...
Checking that no-one is using th[ 21.568542] mmcblk0: unknown partition table
is disk right now ...
OK

Disk /dev/mmcblk0: 470 cylinders, 255 heads, 63 sec[ 21.581024] mmcblk0: p1 p 2
tors/track

sfdisk: ERROR: sector 0 does not have an msdos signature
sfdisk: /dev/mmcblk0: unrecognized partition table type

Old situation:
sfdisk: No partitions found

New situation:
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

Device Boot Start End #cyls #blocks Id System
/dev/mmcblk0p1 * 0+ 8 9- 72261 c W95 FAT32 (LBA)
/dev/mmcblk0p2 10 469 460 3694950 83 Linux
/dev/mmcblk0p3 0 - 0 0 0 Empty
/dev/mmcblk0p4 0 - 0 0 0 Empty
Successfully wrote the new partition table

Re-reading the partition table ...

If you created or changed a DOS partition, /dev/foo7, say, then use dd(1)
to zero the first 512 bytes: dd if=/dev/zero of=/dev/foo7 bs=512 count=1
(See fdisk(8).)
real 0m 0.96s
user 0m 0.00s
sys 0m 0.17s
[ 22.453826] kjournald starting. Commit interval 5 seconds
[ 22.464569] EXT3-fs (mmcblk0p2): using internal journal
[ 22.470184] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
[ 22.477844] EXT3-fs (mmcblk0p1): error: can't find ext3 filesystem on dev mmc blk0p1.
[ 22.495635] EXT2-fs (mmcblk0p1): error: can't find an ext2 filesystem on dev mmcblk0p1.
[ 22.517669] FAT-fs (mmcblk0p1): bogus number of reserved sectors
[ 22.523956] FAT-fs (mmcblk0p1): Can't find a valid FAT filesystem
[ 22.560516] cramfs: wrong magic
[ 22.564849] FAT-fs (mmcblk0p1): bogus number of reserved sectors
[ 22.571197] FAT-fs (mmcblk0p1): Can't find a valid FAT filesystem
Found mounted partition(s) on /dev/mmcblk0: /media/mmcblk0p2
4k erase on /dev/mmcblk0p1
1+0 records in
1+0 records out
1+0 records in
1+0 records out
Formatting the eMMC into 2 partitions...
mkfs.vfat 2.11 (12 Mar 2005)
mke2fs 1.42.1 (17-Feb-2012)
Discarding device blocks: done
Filesystem label=rootfs
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
231072 inodes, 923737 blocks
46186 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=947912704
29 block groups
32768 blocks per group, 32768 fragments per group
7968 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736

Allocating group tables: done
Writing inode tables: done
Creating journal (16384 blocks): done
Writing superblocks and filesystem accounting information: done

Formatting done.
[ 39.858398] kjournald starting. Commit interval 5 seconds
[ 39.865844] EXT3-fs (mmcblk0p2): using internal journal
[ 39.871429] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
Copying Files...
real 0m 0.73s
user 0m 0.31s
sys 0m 0.27s
Boot partition done.
real 0m 50.08s
user 0m 0.35s
sys 0m 5.59s
real 1m 23.42s
user 0m 34.72s
sys 0m 13.05s
RootFS partition done.
It took 136 seconds to complete this task...

********************************************
Sitara Example Flash Script is complete.

Stopping Bootlog daemon: bootlogd.

_____ _____ _ _
| _ |___ ___ ___ ___ | _ |___ ___ |_|___ ___| |_
| | _| .'| . | . | | __| _| . | | | -_| _| _|
|__|__|_| |__,|_ |___| |__| |_| |___|_| |___|___|_|
|___| |___|

Arago Project http://arago-project.org am335x-evm ttyO0

Arago 2013.05 am335x-evm ttyO0

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