采用linux-3.14.43+gitAUTOINC+875c69b2c3-g875c69b 内核 启动arago文件系统，心跳灯正常闪烁，LCD控制台能正常工作，但是串口控制台乱码，输入回车只显示� 。
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 3.14.43-g875c69b (root@abc) (gcc version 4.9.3 20150413 (prerelease) (Linaro GCC 4.9-2015.05) ) #4 Wed Dec 16
14:33:06 CST 2015
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine model: TI AM335x BeagleBone
[ 0.000000] cma: CMA: reserved 24 MiB at 9d800000
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] AM335X ES2.1 (sgx neon )
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 129792
[ 0.000000] Kernel command line: console=ttyO0,115200n8 root=ubi0:rootfs rootfstype=ubifs ubi.mtd=10,2048 rw rootwait=1 init=/init ip=off lcd=X800Y4
80 uart1_d_can=uart1 uart2_i2c2=uart2
[ 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: 485040K/523264K available (5979K kernel code, 303K rwdata, 2148K rodata, 261K init, 232K bss, 38224K 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] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc07f80e4 (8129 kB)
[ 0.000000] .init : 0xc07f9000 - 0xc083a56c ( 262 kB)
[ 0.000000] .data : 0xc083c000 - 0xc0887e20 ( 304 kB)
[ 0.000000] .bss : 0xc0887e20 - 0xc08c1f68 ( 233 kB)
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 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: timer2 at 24000000 Hz
[ 0.000014] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956969942ns
[ 0.000032] OMAP clocksource: timer1 at 24000000 Hz
[ 0.000268] Console: colour dummy device 80x30
[ 0.000292] WARNING: Your 'console=ttyO0' has been replaced by 'ttyS0'
[ 0.000298] This ensures that you still see kernel messages. Please
[ 0.000303] update your kernel commandline.
[ 0.000321] Calibrating delay loop... 996.14 BogoMIPS (lpj=4980736)
[ 0.089540] pid_max: default: 32768 minimum: 301
[ 0.089629] Security Framework initialized
[ 0.089681] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.089691] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.096375] CPU: Testing write buffer coherency: ok
[ 0.096797] Setting up static identity map for 0x805dcf28 - 0x805dcf80
[ 0.097694] devtmpfs: initialized
[ 0.099584] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[ 0.105336] omap_hwmod: tptc0 using broken dt data from edma
[ 0.105407] omap_hwmod: tptc1 using broken dt data from edma
[ 0.105466] omap_hwmod: tptc2 using broken dt data from edma
[ 0.109419] omap_hwmod: debugss: _wait_target_disable failed
[ 0.163746] pinctrl core: initialized pinctrl subsystem
[ 0.164705] regulator-dummy: no parameters
[ 0.167069] NET: Registered protocol family 16
[ 0.168947] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.171279] cpuidle: using governor ladder
[ 0.171297] cpuidle: using governor menu
[ 0.176575] syscon 44e10000.control_module: regmap [mem 0x44e10000-0x44e107fb] registered
[ 0.177859] platform 49000000.edma: alias fck already exists
[ 0.177881] platform 49000000.edma: alias fck already exists
[ 0.177892] platform 49000000.edma: alias fck already exists
[ 0.178875] OMAP GPIO hardware version 0.1
[ 0.187698] omap-gpmc 50000000.gpmc: could not find pctldev for node /pinmux@44e10800/nandflash_pins_default, deferring probe
[ 0.187731] platform 50000000.gpmc: Driver omap-gpmc requests probe deferral
[ 0.191082] No ATAGs?
[ 0.191103] hw-breakpoint: debug architecture 0x4 unsupported.
[ 0.212637] bio: create slab <bio-0> at 0
[ 0.226066] edma-dma-engine edma-dma-engine.0: TI EDMA DMA engine driver
[ 0.226972] vmmcsd_fixed: 3300 mV
[ 0.229557] vgaarb: loaded
[ 0.230052] i2c-core: driver [palmas] using legacy suspend method
[ 0.230063] i2c-core: driver [palmas] using legacy resume method
[ 0.230723] SCSI subsystem initialized
[ 0.232015] usbcore: registered new interface driver usbfs
[ 0.232179] usbcore: registered new interface driver hub
[ 0.232348] usbcore: registered new device driver usb
[ 0.233216] omap_i2c 44e0b000.i2c: could not find pctldev for node /pinmux@44e10800/pinmux_i2c0_pins, deferring probe
[ 0.233243] platform 44e0b000.i2c: Driver omap_i2c requests probe deferral
[ 0.233576] pps_core: LinuxPPS API ver. 1 registered
[ 0.233586] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.233694] PTP clock support registered
[ 0.235369] omap-mailbox 480c8000.mailbox: omap mailbox rev 0x400
[ 0.236173] Advanced Linux Sound Architecture Driver Initialized.
[ 0.237685] Switched to clocksource timer1
[ 0.254094] NET: Registered protocol family 2
[ 0.254849] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.254896] TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.254935] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.255002] TCP: reno registered
[ 0.255013] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.255038] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.255181] NET: Registered protocol family 1
[ 0.255560] RPC: Registered named UNIX socket transport module.
[ 0.255571] RPC: Registered udp transport module.
[ 0.255576] RPC: Registered tcp transport module.
[ 0.255582] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.256659] hw perfevents: enabled with ARMv7 Cortex-A8 PMU driver, 5 counters available
[ 0.259191] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.398579] VFS: Disk quotas dquot_6.5.2
[ 0.398645] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.399150] NFS: Registering the id_resolver key type
[ 0.399222] Key type id_resolver registered
[ 0.399230] Key type id_legacy registered
[ 0.399265] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
[ 0.399419] msgmni has been set to 995
[ 0.400672] NET: Registered protocol family 38
[ 0.400716] io scheduler noop registered
[ 0.400723] io scheduler deadline registered
[ 0.400744] io scheduler cfq registered (default)
[ 0.402335] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568
[ 0.405847] backlight supply power not found, using dummy regulator
[ 0.409331] Serial: 8250/16550 driver, 10 ports, IRQ sharing enabled
[ 0.414034] 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 88, base_baud = 3000000) is a 8250
[ 1.065299] console [ttyS0] enabled
[ 1.070777] omap_rng 48310000.rng: OMAP Random Number Generator ver. 20
[ 1.077830] [drm] Initialized drm 1.1.0 20060810
[ 1.091786] brd: module loaded
[ 1.099703] loop: module loaded
[ 1.103250] (hci_tty): inside hci_tty_init
[ 1.107825] (hci_tty): allocated 249, 0
[ 1.114296] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 1.124064] usbcore: registered new interface driver asix
[ 1.129736] usbcore: registered new interface driver ax88179_178a
[ 1.136025] usbcore: registered new interface driver cdc_ether
[ 1.142053] usbcore: registered new interface driver smsc95xx
[ 1.147988] usbcore: registered new interface driver net1080
[ 1.153822] usbcore: registered new interface driver cdc_subset
[ 1.159904] usbcore: registered new interface driver zaurus
[ 1.165726] usbcore: registered new interface driver cdc_ncm
[ 1.171916] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.178504] ehci-pci: EHCI PCI platform driver
[ 1.183145] ehci-omap: OMAP-EHCI Host Controller driver
[ 1.188866] usbcore: registered new interface driver cdc_wdm
[ 1.194748] usbcore: registered new interface driver usb-storage
[ 1.201782] mousedev: PS/2 mouse device common for all mice
[ 1.209113] i2c-core: driver [rtc-ds1307] using legacy suspend method
[ 1.215589] i2c-core: driver [rtc-ds1307] using legacy resume method
[ 1.222791] omap_rtc 44e3e000.rtc: rtc core: registered 44e3e000.rtc as rtc0
[ 1.230737] i2c /dev entries driver
[ 1.234386] Driver for 1-wire Dallas network protocol.
[ 1.241804] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[ 1.250545] 48060000.mmc supply vmmc not found, using dummy regulator
[ 1.257788] omap_hsmmc 48060000.mmc: could not set regulator OCR (-22)
[ 1.300972] ledtrig-cpu: registered to indicate activity on CPUs
[ 1.307306] omap-aes 53500000.aes: OMAP AES hw accel rev: 3.2
[ 1.314370] omap-sham 53100000.sham: hw accel on OMAP rev 4.3
[ 1.321515] usbcore: registered new interface driver usbhid
[ 1.327117] usbhid: USB HID core driver
[ 1.331241] platform 44d00000.wkup_m3: Driver wkup_m3 requests probe deferral
[ 1.341403] oprofile: using arm/armv7
[ 1.345349] TCP: cubic registered
[ 1.348743] Initializing XFRM netlink socket
[ 1.353102] NET: Registered protocol family 17
[ 1.357603] NET: Registered protocol family 15
[ 1.362189] Key type dns_resolver registered
[ 1.367234] cpu cpu0: of_pm_voltdm_notifier_register: Failed to get cpu0 regulator/voltdm: -517
[ 1.376044] cpu cpu0: cpu0 clock notifier not ready, retry
[ 1.381651] platform cpufreq-cpu0.0: Driver cpufreq-cpu0 requests probe deferral
[ 1.389722] PM: bootloader does not support rtc-only!
[ 1.394810] ThumbEE CPU extension supported.
[ 1.399316] Registering SWP/SWPB emulation handler
[ 1.405590] vmmcsd_fixed: disabling
[ 1.409219] regulator-dummy: disabling
[ 1.413627] Error: Driver 'tfp410' is already registered, aborting...
[ 1.420454] slave hdmi: could not get i2c
[ 1.424522] platform hdmi: Driver slave requests probe deferral
[ 1.431268] platform 4830e000.lcdc: Driver tilcdc requests probe deferral
[ 1.438672] omap-gpmc 50000000.gpmc: GPMC revision 6.0
[ 1.443845] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000
[ 1.451124] nand: device found, Manufacturer ID: 0x01, Chip ID: 0xd3
[ 1.457514] nand: AMD/Spansion S34ML08G1
[ 1.461500] nand: 1024MiB, SLC, page size: 2048, OOB size: 64
[ 1.467269] nand: using OMAP_ECC_HAM1_CODE_HW
[ 1.471784] 11 ofpart partitions found on MTD device omap2-nand.0
[ 1.477920] Creating 11 MTD partitions on "omap2-nand.0":
[ 1.483348] 0x000000000000-0x000000020000 : "SPL"
[ 1.489676] 0x000000020000-0x000000040000 : "SPL.backup1"
[ 1.496444] 0x000000040000-0x000000060000 : "SPL.backup2"
[ 1.503270] 0x000000060000-0x000000080000 : "SPL.backup3"
[ 1.510125] 0x000000080000-0x000000180000 : "u-boot"
[ 1.517140] 0x000000180000-0x0000001a0000 : "u-boot-env"
[ 1.523838] 0x0000001a0000-0x0000001c0000 : "u-boot-env.backup1"
[ 1.531207] 0x0000001c0000-0x0000001e0000 : "dtb"
[ 1.537210] 0x0000001e0000-0x0000006e0000 : "logo"
[ 1.547363] 0x0000006e0000-0x000000be0000 : "kernel"
[ 1.557743] 0x000000be0000-0x000040000000 : "root"
[ 2.391179] tps65217 0-0024: Read from reg 0x16 failed
[ 2.396356] DCDC1: failed to enable
[ 2.400148] tps65217 0-0024: failed to register tps65217-pmic regulator
[ 2.406805] tps65217-pmic: probe of tps65217-pmic failed with error -121
[ 2.414063] tps65217 0-0024: Failed to read revision register: -121
[ 2.420496] tps65217: probe of 0-0024 failed with error -121
[ 2.426240] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz
[ 2.432456] remoteproc0: wkup_m3 is available
[ 2.436923] remoteproc0: Note: remoteproc is still under development and considered experimental.
[ 2.445962] remoteproc0: THE BINARY FORMAT IS NOT YET FINALIZED, and backward compatibility isn't yet guaranteed.
[ 2.456494] remoteproc0: Direct firmware load failed with error -2
[ 2.462812] remoteproc0: Falling back to user helper
[ 2.468179] cpu cpu0: of_pm_voltdm_notifier_register: Failed to get cpu0 regulator/voltdm: -517
[ 2.476922] cpu cpu0: cpu0 clock notifier not ready, retry
[ 2.482861] platform cpufreq-cpu0.0: Driver cpufreq-cpu0 requests probe deferral
[ 2.490700] pinctrl-single 44e10800.pinmux: pin 44e108a0.0 already requested by panel; cannot claim for hdmi
[ 2.500608] pinctrl-single 44e10800.pinmux: pin-40 (hdmi) status -22
[ 2.506991] pinctrl-single 44e10800.pinmux: could not request pin 40 (44e108a0.0) from group nxp_hdmi_bonelt_pins on device pinctrl-single
[ 2.519579] slave hdmi: Error applying setting, reverse things back
[ 2.525980] pinctrl-single 44e10800.pinmux: pin 44e108a0.0 already requested by panel; cannot claim for hdmi
[ 2.535870] pinctrl-single 44e10800.pinmux: pin-40 (hdmi) status -22
[ 2.542262] pinctrl-single 44e10800.pinmux: could not request pin 40 (44e108a0.0) from group nxp_hdmi_bonelt_pins on device pinctrl-single
[ 2.554843] slave hdmi: Error applying setting, reverse things back
[ 2.561161] slave hdmi: pins are not configured
[ 2.568004] dummy 0-0034: Error -121 writing to cec:0xff
[ 2.573417] tda998x 0-0070: Error -121 writing to REG_CURPAGE
[ 2.579276] tda998x 0-0070: Error -121 reading from 0xa
[ 2.584574] tda998x 0-0070: Error -121 writing to 0xa
[ 2.647741] tda998x 0-0070: Error -121 reading from 0xa
[ 2.653034] tda998x 0-0070: Error -121 writing to 0xa
[ 2.717741] tda998x 0-0070: Error -121 reading from 0x1
[ 2.723033] tda998x 0-0070: Error -121 writing to 0x1
[ 2.728160] tda998x 0-0070: Error -121 reading from 0x1
[ 2.733451] tda998x 0-0070: Error -121 writing to 0x1
[ 2.738578] tda998x 0-0070: Error -121 writing to REG_CURPAGE
[ 2.744392] tda998x 0-0070: Error -121 writing to 0x200
[ 2.749693] tda998x 0-0070: Error -121 writing to 0x201
[ 2.754985] tda998x 0-0070: Error -121 writing to 0x202
[ 2.760286] tda998x 0-0070: Error -121 writing to 0x203
[ 2.765577] tda998x 0-0070: Error -121 writing to 0x204
[ 2.770879] tda998x 0-0070: Error -121 writing to 0x205
[ 2.776171] tda998x 0-0070: Error -121 writing to 0x20e
[ 2.781472] tda998x 0-0070: Error -121 writing to 0x211
[ 2.786764] tda998x 0-0070: Error -121 writing to 0x207
[ 2.792065] tda998x 0-0070: Error -121 writing to 0x208
[ 2.797357] tda998x 0-0070: Error -121 writing to 0x209
[ 2.802658] tda998x 0-0070: Error -121 writing to 0x20a
[ 2.807960] tda998x 0-0070: Error -121 writing to 0x206
[ 2.813251] tda998x 0-0070: Error -121 writing to REG_CURPAGE
[ 2.819075] tda998x 0-0070: Error -121 writing to 0x27
[ 2.824281] tda998x 0-0070: Error -121 reading from 0x0
[ 2.829581] tda998x 0-0070: Error -121 reading from 0x2
[ 2.835573] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 2.842255] [drm] No driver support for vblank timestamp query.
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