如何让这个屏幕显示一个Demo 出来--新手上路

william_ · ‎08-14-2015

目前手上有一个全新的SABRE for Automotive Infotainment Based on the i.Mx 6 Series板子。 希望迈出我的第一步！

根据客服说，如果是新板子默认的就是SD卡启动，随后我看了一下板子的拨码，也确认了是SD启动。然后上点启动！

可是出现了问题：屏幕背光亮，屏幕一直黑着，应客服工程师要求和建议，于是去电子城买了一根USB转串口的DB9 线，使用终端看了一下启动Log（成功看到Log出来时，非常开心，因为没有过此类的开发经验）。如下：

U-Boot 2009.08 (Dec 18 2012 - 18:29:50)

CPU: Freescale i.MX6 family TO1.2 at 792 MHz

Temperature: 45 C, calibration data 0x5894d07d

mx6q pll1: 792MHz

mx6q pll2: 528MHz

mx6q pll3: 480MHz

mx6q pll8: 50MHz

ipg clock : 66000000Hz

ipg per clock : 66000000Hz

uart clock : 80000000Hz

cspi clock : 60000000Hz

ahb clock : 132000000Hz

axi clock : 264000000Hz

emi_slow clock: 132000000Hz

ddr clock : 528000000Hz

usdhc1 clock : 198000000Hz

usdhc2 clock : 198000000Hz

usdhc3 clock : 198000000Hz

usdhc4 clock : 198000000Hz

nfc clock : 24000000Hz

Board: i.MX6Q-SABREAUTO: unknown-board Board: 0x63012 [POR]

Boot Device: SD

I2C: ready

DRAM: 2 GB

MMC: FSL_USDHC: 0,FSL_USDHC: 1,FSL_USDHC: 2,FSL_USDHC: 3

In: serial

Out: serial

Err: serial

Net: got MAC address from IIM: 00:04:9f:03:b3:f8

FEC0 [PRIME]

Hit any key to stop autoboot: 0

mmc2 is current device

MMC read: dev # 2, block # 2048, count 8192 ... 8192 blocks read: OK

## Booting kernel from Legacy Image at 10800000 ...

Image Name: Linux-3.0.35-2310-gc27cb38

Image Type: ARM Linux Kernel Image (uncompressed)

Data Size: 3851944 Bytes = 3.7 MB

Load Address: 10008000

Entry Point: 10008000

Verifying Checksum ... OK

Loading Kernel Image ... OK

OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.

Linux version 3.0.35-2310-gc27cb38 (jgutierrez@ubuntu) (gcc version 4.6.2 20110630 (prerelease) (Freescale MAD -- Linaro 2011.07 -- Built at 2011/08/10 09:20) ) #2 SMP PREEMPT Wed Apr 10 14:45:29 CDT 2013

CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c53c7d

CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache

Machine: Freescale i.MX 6Quad/DualLite/Solo Sabre Auto Board

Memory policy: ECC disabled, Data cache writealloc

CPU identified as i.MX6Q, silicon rev 1.2

PERCPU: Embedded 7 pages/cpu @8c80e000 s5440 r8192 d15040 u32768

Built 1 zonelists in Zone order, mobility grouping on. Total pages: 487424

Kernel command line: console=ttymxc3,115200 root=/dev/mmcblk0p1 rootwait rw video=mxcfb0:dev=hdmi,1920x1080M@60,if=RGB24

PID hash table entries: 4096 (order: 2, 16384 bytes)

Dentry cache hash table entries: 262144 (order: 8, 1048576 bytes)

Inode-cache hash table entries: 131072 (order: 7, 524288 bytes)

Memory: 1664MB 256MB = 1920MB total

Memory: 1936472k/1936472k available, 160680k reserved, 262144K highmem

Virtual kernel memory layout:

vector : 0xffff0000 - 0xffff1000 ( 4 kB)

fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)

DMA : 0xf4600000 - 0xffe00000 ( 184 MB)

vmalloc : 0xea800000 - 0xf2000000 ( 120 MB)

lowmem : 0x80000000 - 0xea000000 (1696 MB)

pkmap : 0x7fe00000 - 0x80000000 ( 2 MB)

modules : 0x7f000000 - 0x7fe00000 ( 14 MB)

.init : 0x80008000 - 0x8003b000 ( 204 kB)

.text : 0x8003b000 - 0x80a886f4 (10550 kB)

.data : 0x80a8a000 - 0x80ae8a40 ( 379 kB)

.bss : 0x80ae8a64 - 0x80b368ec ( 312 kB)

SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

Preemptible hierarchical RCU implementation.

NR_IRQS:496

MXC GPIO hardware

sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 1431655ms

arm_max_freq=2

MXC_Early serial console at MMIO 0x21f0000 (options '115200')

bootconsole [ttymxc3] enabled

Console: colour dummy device 80x30

Calibrating delay loop... 1581.05 BogoMIPS (lpj=7905280)

pid_max: default: 32768 minimum: 301

Mount-cache hash table entries: 512

CPU: Testing write buffer coherency: ok

hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available

CPU1: Booted secondary processor

CPU2: Booted secondary processor

CPU3: Booted secondary processor

Brought up 4 CPUs

SMP: Total of 4 processors activated (6324.22 BogoMIPS).

print_constraints: dummy:

NET: Registered protocol family 16

print_constraints: vddpu: 725 <--> 1300 mV at 700 mV fast normal

print_constraints: vddcore: 725 <--> 1300 mV at 1150 mV fast normal

print_constraints: vddsoc: 725 <--> 1300 mV at 1200 mV fast normal

print_constraints: vdd2p5: 2000 <--> 2775 mV at 2400 mV fast normal

print_constraints: vdd1p1: 800 <--> 1400 mV at 1100 mV fast normal

print_constraints: vdd3p0: 2625 <--> 3400 mV at 3000 mV fast normal

hw-breakpoint: found 6 breakpoint and 1 watchpoint registers.

hw-breakpoint: 1 breakpoint(s) reserved for watchpoint single-step.

hw-breakpoint: maximum watchpoint size is 4 bytes.

L310 cache controller enabled

l2x0: 16 ways, CACHE_ID 0x410000c7, AUX_CTRL 0x02070000, Cache size: 1048576 B

bio: create slab <bio-0> at 0

mxs-dma mxs-dma-apbh: initialized

print_constraints: VA: 2800 mV

print_constraints: VD: 2800 mV

print_constraints: VLS: 2800 mV

print_constraints: VLC: 2800 mV

print_constraints: vmmc: 3300 mV

SCSI subsystem initialized

spi_imx imx6q-ecspi.0: probed

usbcore: registered new interface driver usbfs

usbcore: registered new interface driver hub

usbcore: registered new device driver usb

Freescale USB OTG Driver loaded, $Revision: 1.55 $

mc_pfuze 1-0008: ID: 0,Full lay: 1 ,Metal lay: 1

mc_pfuze 1-0008: FAB: 0 ,FIN: 0

print_constraints: SW1A: 300 <--> 1875 mV at 1375 mV

print_constraints: SW1B: 300 <--> 1875 mV at 300 mV

print_constraints: SW1C: 300 <--> 1875 mV at 1375 mV

print_constraints: SW2: 800 <--> 3950 mV at 3000 mV

print_constraints: SW3A: 400 <--> 1975 mV at 1500 mV

print_constraints: SW3B: 400 <--> 1975 mV at 1500 mV

print_constraints: SW4: 800 <--> 3950 mV at 3300 mV

print_constraints: SWBST: 5000 <--> 5150 mV at 5000 mV

print_constraints: VSNVS: 1200 <--> 3000 mV at 1800 mV

print_constraints: VREFDDR: at 750 mV

print_constraints: VGEN1: 800 <--> 1550 mV at 800 mV

print_constraints: VGEN2: 800 <--> 1550 mV at 1500 mV

print_constraints: VGEN3: 1800 <--> 3300 mV at 1800 mV

print_constraints: VGEN4: 1800 <--> 3300 mV at 1800 mV

print_constraints: VGEN5: 1800 <--> 3300 mV at 2500 mV

print_constraints: VGEN6: 1800 <--> 3300 mV at 2800 mV

imx-ipuv3 imx-ipuv3.0: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)

imx-ipuv3 imx-ipuv3.1: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)

mxc_mipi_csi2 mxc_mipi_csi2: i.MX MIPI CSI2 driver probed

mxc_mipi_csi2 mxc_mipi_csi2: i.MX MIPI CSI2 dphy version is 0x3130302a

MIPI CSI2 driver module loaded

Advanced Linux Sound Architecture Driver Version 1.0.24.

Bluetooth: Core ver 2.16

NET: Registered protocol family 31

Bluetooth: HCI device and connection manager initialized

Bluetooth: HCI socket layer initialized

Bluetooth: L2CAP socket layer initialized

Bluetooth: SCO socket layer initialized

cfg80211: Calling CRDA to update world regulatory domain

i2c-core: driver [max17135] using legacy suspend method

i2c-core: driver [max17135] using legacy resume method

Switching to clocksource mxc_timer1

NET: Registered protocol family 2

IP route cache hash table entries: 65536 (order: 6, 262144 bytes)

TCP established hash table entries: 262144 (order: 9, 2097152 bytes)

TCP bind hash table entries: 65536 (order: 7, 786432 bytes)

TCP: Hash tables configured (established 262144 bind 65536)

TCP reno registered

UDP hash table entries: 1024 (order: 3, 32768 bytes)

UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)

NET: Registered protocol family 1

RPC: Registered named UNIX socket transport module.

RPC: Registered udp transport module.

RPC: Registered tcp transport module.

RPC: Registered tcp NFSv4.1 backchannel transport module.

Static Power Management for Freescale i.MX6

wait mode is enabled for i.MX6

cpaddr = ea880000 suspend_iram_base=ea8fc000

PM driver module loaded

IMX usb wakeup probe

add wake up source irq 75

IMX usb wakeup probe

cpu regulator init ldo=2

i.MXC CPU frequency driver

highmem bounce pool size: 64 pages

msgmni has been set to 3270

alg: No test for stdrng (krng)

io scheduler noop registered

io scheduler deadline registered

io scheduler cfq registered (default)

mxc_mipi_dsi mxc_mipi_dsi: i.MX MIPI DSI driver probed

MIPI DSI driver module loaded

mxc_sdc_fb mxc_sdc_fb.0: register mxc display driver hdmi

mxc_hdmi mxc_hdmi: Detected HDMI controller 0x13:0xa:0xa0:0xc1

fbcvt: 1920x1080@60: CVT Name - 2.073M9

imx-ipuv3 imx-ipuv3.0: IPU DMFC DP HIGH RESOLUTION: 1(0,1), 5B(2~5), 5F(6,7)

Console: switching to colour frame buffer device 240x67

mxc_sdc_fb mxc_sdc_fb.1: register mxc display driver ldb

_regulator_get: get() with no identifier

mxc_sdc_fb mxc_sdc_fb.2: register mxc display driver lcd

mxc_sdc_fb mxc_sdc_fb.2: ipu0-di0 already in use

mxc_sdc_fb: probe of mxc_sdc_fb.2 failed with error -16

imx-sdma imx-sdma: loaded firmware 1.1

imx-sdma imx-sdma: initialized

Serial: IMX driver

imx-uart.1: ttymxc1 at MMIO 0x21e8000 (irq = 59) is a IMX

imx-uart.2: ttymxc2 at MMIO 0x21ec000 (irq = 60) is a IMX

imx-uart.3: ttymxc3 at MMIO 0x21f0000 (irq = 61) is a IMX

console [ttymxc3] enabled, bootconsole disabled

loop: module loaded

Can't recover from RESET HBA!

No sata disk.

No NAND device found.

Chip scan failed

GPMI NAND driver registered. (IMX)

vcan: Virtual CAN interface driver

CAN device driver interface

flexcan netdevice driver

flexcan imx6q-flexcan.1: device registered (reg_base=ea9b8000, irq=143)

FEC Ethernet Driver

fec_enet_mii_bus: probed

ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

fsl-ehci fsl-ehci.0: Freescale On-Chip EHCI Host Controller

fsl-ehci fsl-ehci.0: new USB bus registered, assigned bus number 1

fsl-ehci fsl-ehci.0: irq 75, io base 0x02184000

fsl-ehci fsl-ehci.0: USB 2.0 started, EHCI 1.00

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 1 port detected

add wake up source irq 72

fsl-ehci fsl-ehci.1: Freescale On-Chip EHCI Host Controller

fsl-ehci fsl-ehci.1: new USB bus registered, assigned bus number 2

fsl-ehci fsl-ehci.1: irq 72, io base 0x02184200

fsl-ehci fsl-ehci.1: USB 2.0 started, EHCI 1.00

hub 2-0:1.0: USB hub found

hub 2-0:1.0: 1 port detected

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

ARC USBOTG Device Controller driver (1 August 2005)

mousedev: PS/2 mouse device common for all mice

input: gpio-keys as /devices/platform/gpio-keys/input/input0

input: eGalax Touch Screen as /devices/platform/imx-i2c.1/i2c-1/1-0004/input/input1

input: isl29023 light sensor as /devices/virtual/input/input2

isl29023 2-0044: driver version 1.0 enabled

i2c-core: driver [isl29023] using legacy suspend method

i2c-core: driver [isl29023] using legacy resume method

snvs_rtc snvs_rtc.0: rtc core: registered snvs_rtc as rtc0

i2c /dev entries driver

Linux video capture interface: v2.00

mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video16

mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video17

mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video18

mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video19

mag3110 2-000e: check mag3110 chip ID

input: mag3110 as /devices/virtual/input/input3

mag3110 2-000e: mag3110 is probed

i2c-core: driver [mag3110] using legacy suspend method

i2c-core: driver [mag3110] using legacy resume method

input: mma845x as /devices/virtual/input/input4

imx2-wdt imx2-wdt.0: IMX2+ Watchdog Timer enabled. timeout=60s (nowayout=1)

Bluetooth: Virtual HCI driver ver 1.3

Bluetooth: HCI UART driver ver 2.2

Bluetooth: HCIATH3K protocol initialized

Bluetooth: Generic Bluetooth USB driver ver 0.6

usbcore: registered new interface driver btusb

sdhci: Secure Digital Host Controller Interface driver

sdhci: Copyright(c) Pierre Ossman

mmc0: SDHCI controller on platform [sdhci-esdhc-imx.2] using DMA

mmc1: no vmmc regulator found

mmc1: SDHCI controller on platform [sdhci-esdhc-imx.0] using DMA

mxc_vdoa mxc_vdoa: i.MX Video Data Order Adapter(VDOA) driver probed

VPU initialized

mxc_asrc registered

Thermal calibration data is 0x5894d07d

Anatop Thermal registered as thermal_zone0

anatop_thermal_probe: default cooling device is cpufreq!

caam caam.0: device ID = 0x0a16010000000000

caam caam.0: job rings = 2, qi = 0

alg: No test for authenc(hmac(md5),cbc(aes)) (authenc-hmac-md5-cbc-aes-caam)

caam caam.0: authenc-hmac-md5-cbc-aes-caam

alg: No test for authenc(hmac(sha1),cbc(aes)) (authenc-hmac-sha1-cbc-aes-caam)

caam caam.0: authenc-hmac-sha1-cbc-aes-caam

alg: No test for authenc(hmac(sha224),cbc(aes)) (authenc-hmac-sha224-cbc-aes-caam)

caam caam.0: authenc-hmac-sha224-cbc-aes-caam

alg: No test for authenc(hmac(sha256),cbc(aes)) (authenc-hmac-sha256-cbc-aes-caam)

caam caam.0: authenc-hmac-sha256-cbc-aes-caam

alg: No test for authenc(hmac(md5),cbc(des3_ede)) (authenc-hmac-md5-cbc-des3_ede-caam)

caam caam.0: authenc-hmac-md5-cbc-des3_ede-caam

alg: No test for authenc(hmac(sha1),cbc(des3_ede)) (authenc-hmac-sha1-cbc-des3_ede-caam)

caam caam.0: authenc-hmac-sha1-cbc-des3_ede-caam

alg: No test for authenc(hmac(sha224),cbc(des3_ede)) (authenc-hmac-sha224-cbc-des3_ede-caam)

caam caam.0: authenc-hmac-sha224-cbc-des3_ede-caam

mmc0: new high speed SDHC card at address e624

mmcblk0: mmc0:e624 SU08G 7.40 GiB

mmcblk0: p1

alg: No test for authenc(hmac(sha256),cbc(des3_ede)) (authenc-hmac-sha256-cbc-des3_ede-caam)

caam caam.0: authenc-hmac-sha256-cbc-des3_ede-caam

alg: No test for authenc(hmac(md5),cbc(des)) (authenc-hmac-md5-cbc-des-caam)

caam caam.0: authenc-hmac-md5-cbc-des-caam

alg: No test for authenc(hmac(sha1),cbc(des)) (authenc-hmac-sha1-cbc-des-caam)

caam caam.0: authenc-hmac-sha1-cbc-des-caam

alg: No test for authenc(hmac(sha224),cbc(des)) (authenc-hmac-sha224-cbc-des-caam)

caam caam.0: authenc-hmac-sha224-cbc-des-caam

alg: No test for authenc(hmac(sha256),cbc(des)) (authenc-hmac-sha256-cbc-des-caam)

caam caam.0: authenc-hmac-sha256-cbc-des-caam

caam caam.0: cbc-aes-caam

caam caam.0: cbc-3des-caam

caam caam.0: cbc-des-caam

platform caam_jr.0: registering rng-caam

platform caam_sm.0: caam_sm_test: 8-byte key test match OK

platform caam_sm.0: caam_sm_test: 16-byte key test match OK

platform caam_sm.0: caam_sm_test: 32-byte key test match OK

platform caam_secvio.0: security violation service handlers armed

usbcore: registered new interface driver usbhid

usbhid: USB HID core driver

usbcore: registered new interface driver snd-usb-audio

mxc_hdmi_soc mxc_hdmi_soc.0: MXC HDMI Audio

mxc_spdif mxc_spdif.0: MXC SPDIF Audio

Cirrus Logic CS42888 ALSA SoC Codec Driver

cs42888 1-0048: found device at i2c address 48

cs42888 1-0048: hardware revision 4

i2c-core: driver [cs42888] using legacy suspend method

i2c-core: driver [cs42888] using legacy resume method

imx_3stack asoc driver

asoc: CS42888 <-> imx-esai.0 mapping ok

asoc: CS42888_ASRC <-> imx-esai.0 mapping ok

asoc: mxc-spdif <-> imx-spdif-dai.0 mapping ok

asoc: mxc-hdmi-soc <-> imx-hdmi-soc-dai.0 mapping ok

ALSA device list:

#0: cs42888-audio

#1: imx-spdif

#2: imx-hdmi-soc

NET: Registered protocol family 26

TCP cubic registered

NET: Registered protocol family 17

can: controller area network core (rev 20090105 abi 8)

NET: Registered protocol family 29

can: raw protocol (rev 20090105)

can: broadcast manager protocol (rev 20090105 t)

Bluetooth: RFCOMM TTY layer initialized

Bluetooth: RFCOMM socket layer initialized

Bluetooth: RFCOMM ver 1.11

Bluetooth: BNEP (Ethernet Emulation) ver 1.3

Bluetooth: BNEP filters: protocol multicast

Bluetooth: HIDP (Human Interface Emulation) ver 1.2

lib80211: common routines for IEEE802.11 drivers

VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4

Bus freq driver module loaded

Bus freq driver Enabled

mxc_dvfs_core_probe

DVFS driver module loaded

regulator_init_complete: VGEN6: incomplete constraints, leaving on

regulator_init_complete: VGEN5: incomplete constraints, leaving on

regulator_init_complete: VGEN4: incomplete constraints, leaving on

regulator_init_complete: VGEN2: incomplete constraints, leaving on

snvs_rtc snvs_rtc.0: setting system clock to 1970-01-01 00:01:19 UTC (79)

EXT3-fs: barriers not enabled

kjournald starting. Commit interval 5 seconds

EXT3-fs (mmcblk0p1): warning: maximal mount count reached, running e2fsck is recommended

EXT3-fs (mmcblk0p1): using internal journal

EXT3-fs (mmcblk0p1): 6 orphan inodes deleted

EXT3-fs (mmcblk0p1): recovery complete

EXT3-fs (mmcblk0p1): mounted filesystem with writeback data mode

VFS: Mounted root (ext3 filesystem) on device 179:1.

Freeing init memory: 204K

DBG sensor data is at 7f0018c8

Last login: Thu Jan 1 00:00:31 UTC 1970 on tty1

[ OK ]rting Advanced Power Management daemon...

Welcome to Linaro 11.10 (development branch) (GNU/Linux 3.0.35-2310-gc27cb38 armv7l)

* Documentation: https://wiki.linaro.org/

New release '12.04 LTS' available.

Run 'do-release-upgrade' to upgrade to it.

speech-dispatcher disabled; edit /etc/default/speech-dispatcher

Checking for running unattended-upgrades:

[ OK ]inaro-ubuntu-desktop:~# * Starting bluetooth

* PulseAudio configured for per-user sessions

saned disabled; edit /etc/default/saned

1 Jan 00:01:49 ntpdate[5702]: no servers can be used, exiting

ERROR: HDMI is not ready!