原创 TQIMX6Q教程--内核启动与文件系统挂载之二

　　效果展示

　　按照上面的步骤修改后内核就可以正常启动了，下面是启动Log：

　　U-Boot 2009.08-dirty ( 3月 23 2015 - 23:14:02)

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

　　Thermal sensor with ratio = 174

　　Temperature: 23 C, calibration data 0x54e4bb69

　　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-SABRESD: unknown-board Board: 0x63012 [POR ]

　　Boot Device: SD

　　I2C: ready

　　DRAM: 1 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: 00:00:00:00:00:00

　　FEC0 [PRIME]

　　Hit any key to stop autoboot: 0

　　mmc1 is current device

　　MMC read: dev # 1, block # 2048, count 8192 ... 8192 blocks read: OK

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

　　Image Name: Linux-3.0.35-2666-gbdde708-g3344

　　Image Type: ARM Linux Kernel Image (uncompressed)

　　Data Size: 3866004 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 3.0.35-2666-gbdde708-g334422e-dirty (lilianrong@ubuntu) (gcc version 4.6.2 20110630 (prerelease) (Freescale MAD -- Linaro 2011.07 -- Built at 2011/08/10 09:20) ) #5 SMP PREEMPT Wed Mar 25 19:29:24 CST 2015

　　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-SD Board

　　Ignoring unrecognised tag 0x54410008

　　Memory policy: ECC disabled, Data cache writealloc

　　CPU identified as i.MX6Q, silicon rev 1.2

　　PERCPU: Embedded 7 pages/cpu @8c008000 s5440 r8192 d15040 u32768

　　Built 1 zonelists in Zone order, mobility grouping on. Total pages: 194560

　　Kernel command line: console=ttymxc0,115200 root=/dev/mmcblk1p1 rootwait rw

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

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

　　Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)

　　Memory: 512MB 256MB = 768MB total

　　Memory: 765764k/765764k available, 282812k reserved, 0K highmem

　　Virtual kernel memory layout:

　　vector : 0xffff0000 - 0xffff1000 ( 4 kB)

　　fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)

　　DMA : 0xf4600000 - 0xffe00000 ( 184 MB)

　　vmalloc : 0xc0800000 - 0xf2000000 ( 792 MB)

　　lowmem : 0x80000000 - 0xc0000000 (1024 MB)

　　pkmap : 0x7fe00000 - 0x80000000 ( 2 MB)

　　modules : 0x7f000000 - 0x7fe00000 ( 14 MB)

　　.init : 0x80008000 - 0x8003c000 ( 208 kB)

　　.text : 0x8003c000 - 0x80a8f8f4 (10575 kB)

　　.data : 0x80a90000 - 0x80af3e00 ( 400 kB)

　　.bss : 0x80af3e24 - 0x80b41d4c ( 312 kB)

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

　　Preemptible hierarchical RCU implementation.

　　NR_IRQS:624

　　MXC GPIO hardware

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

　　arm_max_freq=1GHz

　　MXC_Early serial console at MMIO 0x2020000 (options '115200')

　　bootconsole [ttymxc0] 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 at 0

　　mxs-dma mxs-dma-apbh: initialized

　　print_constraints: SPKVDD: 4200 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: recv failed!:-5,80

　　mc_pfuze: probe of 1-0008 failed with error -1

　　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

　　max17135 2-0048: PMIC MAX17135 for eInk display

　　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: 32768 (order: 5, 131072 bytes)

　　TCP established hash table entries: 131072 (order: 8, 1048576 bytes)

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

　　TCP: Hash tables configured (established 131072 bind 65536)

　　TCP reno registered

　　UDP hash table entries: 512 (order: 2, 16384 bytes)

　　UDP-Lite hash table entries: 512 (order: 2, 16384 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.

　　PMU: registered new PMU device of type 0

　　Static Power Management for Freescale i.MX6

　　wait mode is enabled for i.MX6

　　cpaddr = c0880000 suspend_iram_base=c091c000

　　PM driver module loaded

　　IMX usb wakeup probe

　　add wake up source irq 75

　　IMX usb wakeup probe

　　cpu regulator mode:ldo_enable

　　i.MXC CPU frequency driver

　　JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.

　　msgmni has been set to 1495

　　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 ldb

　　_regulator_get: get() with no identifier

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

　　Console: switching to colour frame buffer device 128x48

　　mxc_sdc_fb mxc_sdc_fb.1: register mxc display driver ldb

　　mxc_sdc_fb mxc_sdc_fb.2: register mxc display driver lcd

　　mxc_sdc_fb mxc_sdc_fb.3: register mxc display driver ldb

　　mxc_sdc_fb mxc_sdc_fb.3: ipu1-di0 already in use

　　mxc_sdc_fb: probe of mxc_sdc_fb.3 failed with error -16

　　imx-sdma imx-sdma: loaded firmware 1.1

　　imx-sdma imx-sdma: initialized

　　Serial: IMX driver

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

　　imx-uart.0: ttymxc0 at MMIO 0x2020000 (irq = 58) is a IMX

　　console [ttymxc0] enabled, bootconsole disabled

　　console [ttymxc0] enabled, bootconsole disabled

　　loop: module loaded

　　No sata disk.

　　m25p80 spi0.0: unrecognized JEDEC id ffffff

　　GPMI NAND driver registered. (IMX)

　　vcan: Virtual CAN interface driver

　　CAN device driver interface

　　flexcan netdevice driver

　　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: max11801_ts as /devices/platform/imx-i2c.1/i2c-1/1-0048/input/input1

　　egalax_ts 1-0004: egalax_ts: failed to read firmware version

　　egalax_ts: probe of 1-0004 failed with error -5

　　egalax_ts 2-0004: egalax_ts: failed to read firmware version

　　egalax_ts: probe of 2-0004 failed with error -5

　　elan - Read Hello Packet Failed

　　elan-touch: probe of 2-0010 failed with error -22

　　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

　　mxc_v4l2_output mxc_v4l2_output.0: V4L2 device registered as video20

　　mag3110 2-000e: check mag3110 chip ID

　　mag3110 2-000e: read chip ID 0xfffffffb is not equal to 0xc4!

　　mag3110: probe of 2-000e failed with error -22

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

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

　　mma8451 0-001c: read chip ID 0x1 is not equal to 0x1a or 0x2a!

　　mma8451: probe of 0-001c failed with error -22

　　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.3] using DMA

　　sdhci sdhci-esdhc-imx.1: no card-detect pin available!

　　mmc1: SDHCI controller on platform [sdhci-esdhc-imx.1] using DMA

　　mmc2: SDHCI controller on platform [sdhci-esdhc-imx.2] using DMA

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

　　VPU initialized

　　mxc_asrc registered

　　Galcore version 4.6.9.6622

　　Thermal calibration data is 0x54e4bb69

　　Thermal sensor with ratio = 174

　　Anatop Thermal registered as thermal_zone0

　　anatop_thermal_probe: default cooling device is cpufreq!

　　leds-gpio: probe of leds-gpio failed with error -16

　　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

　　Cirrus Logic CS42888 ALSA SoC Codec Driver

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

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

　　imx-hdmi-soc-dai imx-hdmi-soc-dai.0: Failed: Load HDMI-video first.

　　wm8962 0-001a: Failed to get supply 'DCVDD': -19

　　wm8962 0-001a: Failed to request supplies: -19

　　wm8962 0-001a: asoc: failed to probe CODEC wm8962.0-001a: -19

　　asoc: failed to instantiate card wm8962-audio: -19

　　mmc0: new high speed DDR MMC card at address 0001

　　mmcblk0: mmc0:0001 008G92 7.28 GiB

　　mmcblk0boot0: mmc0:0001 008G92 partition 1 4.00 MiB

　　mmcblk0boot1: mmc0:0001 008G92 partition 2 4.00 MiB

　　mmcblk0: p1 p2 p3 < p5 p6 p7 p8 > p4

　　imx_3stack asoc driver

　　mmcblk0boot1: unknown partition table

　　Initialize HDMI-audio failed. Load HDMI-video first!

　　ALSA device list:

　　No soundcards found.

　　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

　　mmcblk0boot0: unknown partition table

　　Bus freq driver module loaded

　　Bus freq driver Enabled

　　mxc_dvfs_core_probe

　　DVFS driver module loaded

　　regulator_init_complete: SPKVDD: incomplete constraints, leaving on

　　snvs_rtc snvs_rtc.0: setting system clock to 1970-01-01 00:46:38 UTC (2798)

　　Waiting for root device /dev/mmcblk1p1...

　　mmc1: new high speed SDHC card at address e624

　　mmcblk1: mmc1:e624 SS08G 7.40 GiB

　　mmcblk1: p1

　　EXT3-fs: barriers not enabled

　　kjournald starting. Commit interval 5 seconds

　　EXT3-fs (mmcblk1p1): using internal journal

　　EXT3-fs (mmcblk1p1): recovery complete

　　EXT3-fs (mmcblk1p1): mounted filesystem with writeback data mode

　　VFS: Mounted root (ext3 filesystem) on device 179:25.

　　Freeing init memory: 208K

　　starting pid 1401, tty '': '/etc/rc.d/rcS'

　　Mounting /proc and /sys

　　Starting the hotplug events dispatcher udevd

　　udevd (1410): /proc/1410/oom_adj is deprecated, please use /proc/1410/oom_score_adj instead.

　　Synthesizing initial hotplug events

　　Setting the hostname to freescale

　　Mounting filesystems

　　cp: write error: No space left on device

　　cp: write error: No space left on device

　　cp: write error: No space left on device

　　cp: write error: No space left on device

　　cp: write error: No space left on device

　　cp: write error: No space left on device

　　mount: mounting usbfs on /proc/bus/usb failed: No such file or directory

　　starting pid 3114, tty '': '/etc/rc.d/rc_gpu.S'

　　starting pid 3120, tty '': '/etc/rc.d/rc_mxc.S'

　　arm-none-linux-gnueabi-gcc (Freescale MAD -- Linaro 2011.07 -- Built at 2011/08/10 09:20) 4.6.2 20110630 (prerelease)

　　root filesystem built on Sun, 15 Mar 2015 14:27:16 +0800

　　Freescale Semiconductor, Inc.

　　freescale login: root

　　login[3122]: root login on 'ttymxc0'

　　root@freescale ~$

　　root@freescale ~$ cd /

　　root@freescale /$ ls

　　bin etc lost+found proc share unit_tests

　　boot home mnt root sys usr

　　dev lib opt sbin tmp var

　　root@freescale /$

　　总结

　　基于Freescale官方维护的内核进行移植有非常详细的文档可以参考，而且还可以参考天嵌移植的代码，学习起来比较轻松，业余时间搞搞还是很不错的。以上有什么问题可以留言讨论。