TQIMAX6q调试笔记二：linux与uboot的编译

一.按照《TQIMX6环境搭建》，成功安装ubuntu开发环境。

二.按照《TQIMX6_COREC编译手册》，成功安装交叉编译器。

三.按照《TQIMX6_COREC编译手册》，编译源码：

1.成功编译uboot，并烧录板子，打印如下信息：

U-Boot 2015.04 (Sep 21 2017 - 11:05:26)

CPU: Freescale i.MX6Q rev1.5 at 792 MHz
CPU: Temperature 33 C
Reset cause: POR
Board: MX6-SabreSD
I2C: ready
DRAM: 2 GiB
MMC: FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
Display: CLAA-WVGA (800x480)
asd1
asd2
In: serial
Out: serial
Err: serial
switch to partitions #0, OK
mmc2(part 0) is current device
check_and_clean: reg 0, flag_set 0
Fastboot: Normal
flash target is MMC:2
Bad partition index:5 for partition:system
Bad partition index:4 for partition:data
Net: FEC [PRIME]
reading logo.bmp
** Unable to read file logo.bmp **
There is no valid bmp file at the given address
Normal Boot
Hit any key to stop autoboot: 0

2.成功编译kernel，但烧录板子后，kernel启动失败，打印如下信息：

reading zImage
8437800 bytes read in 397 ms (20.3 MiB/s)
reading imx6q-sabresd.dtb
44527 bytes read in 18 ms (2.4 MiB/s)
Kernel image @ 0x12000000 [ 0x000000 - 0x80c028 ]
## Flattened Device Tree blob at 18000000
Booting using the fdt blob at 0x18000000
Using Device Tree in place at 18000000, end 1800ddee

Starting kernel ...

可能原因：编译库文件版本可能不对，需要更新库。

解决方案：创建ubuntu_env_install.sh可执行文件，在文件中加入以下信息：

apt-get update
add-apt-repository ppa:ubuntu-toolchain-r/test
apt-get update

echo y | apt-get install openjdk-7-jdk

echo y | apt-get install gcc-4.4 g++-4.4 g++-4.4-multilib

mv -f /usr/bin/gcc /usr/bin/bak_gcc
mv -f /usr/bin/g++ /usr/bin/bak_g++
ln -s /usr/bin/gcc-4.4 /usr/bin/gcc
ln -s /usr/bin/g++-4.4 /usr/bin/g++

保存后，执行脚本，在编译烧录，成功！！！！打印信息如下：

Starting kernel ...

Booting Linux on physical CPU 0x0
Linux version 4.1.15 (root@lm) (gcc version 5.3.1 20160113 (Linaro GCC 5.3-2016.02) ) #1 SMP PREEMPT Mon Sep 18 17:54:29 CST 2017
CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c53c7d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine model: Freescale i.MX6 Quad SABRE Smart Device Board
cma: Reserved 384 MiB at 0x66000000
Memory policy: Data cache writealloc
PERCPU: Embedded 12 pages/cpu @eeee2000 s16704 r8192 d24256 u49152
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 520736
Kernel command line: console=ttySAC0,115200 init=/init root=/dev/mmcblk3p2 rootwait rw video=mxcfb0:dev=ldb,1280x800@60,if=RGB888,bpp=24 video=mxcfb1:dev=hdmi,1920x1080@60,if=RGB24,bpp=24 video=mxcfb2:off video=mxcfb3:off vmalloc=256M androidboot.console=ttySAC0 consoleblank=0 androidboot.hardware=freescale cma=384M
log_buf_len individual max cpu contribution: 131072 bytes
log_buf_len total cpu_extra contributions: 393216 bytes
log_buf_len min size: 131072 bytes
log_buf_len: 524288 bytes
early log buf free: 129336(98%)
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: 1668452K/2097152K available (10494K kernel code, 589K rwdata, 4008K rodata, 392K init, 342K bss, 35484K reserved, 393216K cma-reserved, 278528K highmem)
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xef800000 - 0xff000000 ( 248 MB)
lowmem : 0x80000000 - 0xef000000 (1776 MB)
pkmap : 0x7fe00000 - 0x80000000 ( 2 MB)
modules : 0x7f000000 - 0x7fe00000 ( 14 MB)
.text : 0x80008000 - 0x80e31b4c (14503 kB)
.init : 0x80e32000 - 0x80e94000 ( 392 kB)
.data : 0x80e94000 - 0x80f27760 ( 590 kB)
.bss : 0x80f2a000 - 0x80f7fa1c ( 343 kB)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
Preemptible hierarchical RCU implementation.
Additional per-CPU info printed with stalls.
NR_IRQS:16 nr_irqs:16 16
L2C-310 erratum 769419 enabled
L2C-310 enabling early BRESP for Cortex-A9
L2C-310 full line of zeros enabled for Cortex-A9
L2C-310 ID prefetch enabled, offset 16 lines
L2C-310 dynamic clock gating enabled, standby mode enabled
L2C-310 cache controller enabled, 16 ways, 1024 kB
L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76070001
VPU 352M is enabled!
mxc_clocksource_init 3000000
Switching to timer-based delay loop, resolution 333ns
sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns
clocksource mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns
Console: colour dummy device 80x30
Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=3000)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 4096 (order: 2, 16384 bytes)
Mountpoint-cache hash table entries: 4096 (order: 2, 16384 bytes)
CPU: Testing write buffer coherency: ok
CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
Setting up static identity map for 0x10008280 - 0x100082d8
CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
Brought up 4 CPUs
SMP: Total of 4 processors activated (24.00 BogoMIPS).
CPU: All CPU(s) started in SVC mode.
devtmpfs: initialized
VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
pinctrl core: initialized pinctrl subsystem
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
cpuidle: using governor ladder
cpuidle: using governor menu
CPU identified as i.MX6Q, silicon rev 1.5
hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 4 bytes.
imx6q-pinctrl 20e0000.iomuxc: Invalid fsl,pins property in node /soc/aips-bus@02000000/iomuxc@020e0000/imx6qdl-sabresd/pciereggrp
imx6q-pinctrl 20e0000.iomuxc: no groups defined in /soc/aips-bus@02000000/iomuxc@020e0000/sgtl5000
imx6q-pinctrl 20e0000.iomuxc: no groups defined in /soc/aips-bus@02000000/iomuxc@020e0000/hs0038
imx6q-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver
mxs-dma 110000.dma-apbh: initialized
vgaarb: loaded
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
2000000.aips-bus:usbphy_nop1 supply vcc not found, using dummy regulator
2000000.aips-bus:usbphy_nop2 supply vcc not found, using dummy regulator
i2c i2c-0: IMX I2C adapter registered
i2c i2c-0: can't use DMA
i2c i2c-1: IMX I2C adapter registered
i2c i2c-1: can't use DMA
i2c i2c-2: IMX I2C adapter registered
i2c i2c-2: can't use DMA
Linux video capture interface: v2.00
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
PTP clock support registered
imx-ipuv3 2400000.ipu: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
imx-ipuv3 2800000.ipu: IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)
Advanced Linux Sound Architecture Driver Initialized.
Bluetooth: Core ver 2.20
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
Switched to clocksource mxc_timer1
NET: Registered protocol family 2
TCP established hash table entries: 16384 (order: 4, 65536 bytes)
TCP bind hash table entries: 16384 (order: 5, 131072 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
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.
CPU PMU: Failed to parse /soc/pmu/interrupt-affinity[0]
hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available
imx rpmsg driver is registered.
alarm entry alarmtimer_init
alarm exit alarmtimer_init
futex hash table entries: 1024 (order: 4, 65536 bytes)
VFS: Disk quotas dquot_6.6.0
VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
NFS: Registering the id_resolver key type
Key type id_resolver registered
Key type id_legacy registered
Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
ntfs: driver 2.1.32 [Flags: R/W].
jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
fuse init (API version 7.23)
Key type asymmetric registered
Asymmetric key parser 'x509' registered
bounce: pool size: 64 pages
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
imx-weim 21b8000.weim: Driver registered.
pwm-backlight supply power not found, using dummy regulator
backlight_lvds supply power not found, using dummy regulator
MIPI DSI driver module loaded
MIPI DSI driver module loaded
ldb 2000000.aips-bus:ldb@020e0008: dual mode
ldb 2000000.aips-bus:ldb@020e0008: split mode or dual mode, ignoring second output
mxc_sdc_fb fb@0: registered mxc display driver ldb
imx-ipuv3 2800000.ipu: IPU DMFC DP HIGH RESOLUTION: 1(0,1), 5B(2~5), 5F(6,7)
Console: switching to colour frame buffer device 160x50
mxc_hdmi 20e0000.hdmi_video: Detected HDMI controller 0x13:0xa:0xa0:0xc1
mxc_sdc_fb fb@1: registered mxc display driver hdmi
mxc_sdc_fb fb@2: err interface_pix_fmt!
mxc_sdc_fb fb@2: get mxcfb of property fail
mxc_sdc_fb: probe of fb@2 failed with error -2
mxc_sdc_fb fb@3: err interface_pix_fmt!
mxc_sdc_fb fb@3: get mxcfb of property fail
mxc_sdc_fb: probe of fb@3 failed with error -2
imx-sdma 20ec000.sdma: no iram assigned, using external mem
imx-sdma 20ec000.sdma: no event needs to be remapped
imx-sdma 20ec000.sdma: loaded firmware 3.3
imx-sdma 20ec000.sdma: initialized
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
2020000.serial: ttySAC0 at MMIO 0x2020000 (irq = 25, base_baud = 5000000) is a IMX
console [ttySAC0] enabled
21e8000.serial: ttySAC1 at MMIO 0x21e8000 (irq = 301, base_baud = 5000000) is a IMX
21ec000.serial: ttySAC2 at MMIO 0x21ec000 (irq = 302, base_baud = 5000000) is a IMX
21f0000.serial: ttySAC3 at MMIO 0x21f0000 (irq = 303, base_baud = 5000000) is a IMX
21f4000.serial: ttySAC4 at MMIO 0x21f4000 (irq = 304, base_baud = 5000000) is a IMX
imx sema4 driver is registered.
[drm] Initialized drm 1.1.0 20060810
[drm] Initialized vivante 1.0.0 20120216 on minor 0
brd: module loaded
loop: module loaded
ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024
ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480
ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000
ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000
ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled
ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode
ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst
scsi host0: ahci-imx
ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 314
spidev spi1.0: entry spidev_probe
spi_imx 200c000.ecspi: probed
tun: Universal TUN/TAP device driver, 1.6
tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
CAN device driver interface
2090000.flexcan supply xceiver not found, using dummy regulator
flexcan 2090000.flexcan: device registered (reg_base=efae8000, irq=32)
2094000.flexcan supply xceiver not found, using dummy regulator
flexcan 2094000.flexcan: device registered (reg_base=efaf0000, irq=33)
2188000.ethernet supply phy not found, using dummy regulator
pps pps0: new PPS source ptp0
libphy: fec_enet_mii_bus: probed

等等。。。。。。。

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