这是启动时串口的输出信息：
Superboot-4412 V2.1(20141106) by FriendlyARM
Booting from eMMC
Uncompressing Linux... done, booting the kernel.
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 3.0.31-FriendlyARM (root@tzs-ThinkPad-X201) (gcc version 4.5.1 (ctng-1.8.1-FA) ) #1 SMP PREEMPT Fri Nov 14 15:39:05 CST 2014
[ 0.000000] CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=10c5387d
[ 0.000000] CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine: TINY4412
[ 0.000000] TINY4412: S70 selected
[ 0.000000] cma: CMA: reserved 40 MiB at 42800000
[ 0.000000] cma: CMA: reserved 16 MiB at 5d000000
[ 0.000000] Memory policy: ECC disabled, Data cache writealloc
[ 0.000000] CPU EXYNOS4412 (id 0xe4412011)
[ 0.000000] S3C24XX Clocks, Copyright 2004 Simtec Electronics
[ 0.000000] s3c_register_clksrc: clock audiocdclk has no registers set
[ 0.000000] audiocdclk: no parent clock specified
[ 0.000000] s3c_register_clksrc: clock armclk has no registers set
[ 0.000000] EXYNOS4: PLL settings, A=1500000000, M=800000000, E=96000000 V=350000000
[ 0.000000] EXYNOS4: ARMCLK=1500000000, DMC=400000000, ACLK200=24000000
[ 0.000000] ACLK160=160000000, ACLK133=133333333, ACLK100=100000000
[ 0.000000] EXYNOS4: ACLK400=24000000 ACLK266=800000000
[ 0.000000] uclk1: source is mout_mpll_user (6), rate is 100000000
[ 0.000000] uclk1: source is mout_mpll_user (6), rate is 100000000
[ 0.000000] uclk1: source is mout_mpll_user (6), rate is 100000000
[ 0.000000] uclk1: source is mout_mpll_user (6), rate is 100000000
[ 0.000000] sclk_csis: source is xusbxti (1), rate is 1500000
[ 0.000000] sclk_csis: source is xusbxti (1), rate is 1500000
[ 0.000000] sclk_cam0: source is xusbxti (1), rate is 1500000
[ 0.000000] sclk_cam1: source is xusbxti (1), rate is 1500000
[ 0.000000] sclk_fimc: source is xusbxti (1), rate is 1500000
[ 0.000000] sclk_fimc: source is xusbxti (1), rate is 1500000
[ 0.000000] sclk_fimc: source is xusbxti (1), rate is 1500000
[ 0.000000] sclk_fimc: source is xusbxti (1), rate is 1500000
[ 0.000000] sclk_fimd: source is xusbxti (1), rate is 1500000
[ 0.000000] sclk_fimd: source is xusbxti (1), rate is 1500000
[ 0.000000] sclk_mfc: source is mout_mfc0 (0), rate is 50000000
[ 0.000000] sclk_g3d: source is mout_g3d0 (0), rate is 50000000
[ 0.000000] sclk_pwi: source is xusbxti (1), rate is 1500000
[ 0.000000] S5P/CMA: Reserved 0x5cad8000/0x00500000 for 'jpeg'
[ 0.000000] S5P/CMA: Reserved 0x5c9d8000/0x00100000 for 'srp'
[ 0.000000] S5P/CMA: Reserved 0x5b9d8000/0x01000000 for 'fimd'
[ 0.000000] S5P/CMA: Reserved 0x57cd8000/0x03d00000 for 'fimc0'
[ 0.000000] S5P/CMA: Reserved 0x574d8000/0x00800000 for 'fimc2'
[ 0.000000] S5P/CMA: Reserved 0x565d8000/0x00f00000 for 'fimc1'
[ 0.000000] S5P/CMA: Reserved 0x50000000/0x00400000 for 'mfc-normal'
[ 0.000000] S5P/CMA: Reserved 0x54000000/0x00bcc000 for 'fimc_is'
[ 0.000000] S5P/CMA: Reserving 0x7000000 for secure region aligned by 0x4000000.
[ 0.000000] S5P/CMA: Reserved 0x48000000/0x00200000 for 'sectbl'
[ 0.000000] S5P/CMA: Reserved 0x42100000/0x03100000 for 'mfc-secure'
[ 0.000000] S5P/CMA: Reserved 0x48200000/0x01000000 for 'video'
[ 0.000000] S5P/CMA: Reserved 0x49200000/0x02d00000 for 'fimc3'
[ 0.000000] PERCPU: Embedded 7 pages/cpu @c18aa000 s7104 r8192 d13376 u32768
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.Total pages: 259842
[ 0.000000] Kernel command line: console=ttySAC0,115200n8 androidboot.console=ttySAC0 ctp=2 skipcali=y vmalloc=384m LowFormat=y ethmac=1C:6F:65:34:51:7E lcd=S70
[ 0.000000] Setup ethernet address to 1c:6f:65:34:51:7e
[ 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: 1023MB = 1023MB total
[ 0.000000] Memory: 718948k/718948k available, 328604k reserved, 556032K highmem
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
[ 0.000000] DMA : 0xfea00000 - 0xffe00000 ( 20 MB)
[ 0.000000] vmalloc : 0xde800000 - 0xf6000000 ( 376 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xde000000 ( 480 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .init : 0xc0008000 - 0xc0057000 ( 316 kB)
[ 0.000000] .text : 0xc0057000 - 0xc07e0000 (7716 kB)
[ 0.000000] .data : 0xc07e0000 - 0xc08a7028 ( 797 kB)
[ 0.000000] .bss : 0xc08a704c - 0xc0cc8fc8 (4232 kB)
[ 0.000000] SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] NR_IRQS:456
[ 0.000000] notifier_call_chain : NOTIFY BAD tick_notify
[ 0.000000] Console: colour dummy device 80x30
[ 0.000000] Calibrating delay loop... 2991.71 BogoMIPS (lpj=7479296)
[ 0.045000] pid_max: default: 32768 minimum: 301
[ 0.045000] Mount-cache hash table entries: 512
[ 0.045000] Initializing cgroup subsys debug
[ 0.045000] Initializing cgroup subsys cpuacct
[ 0.045000] Initializing cgroup subsys freezer
[ 0.045000] CPU: Testing write buffer coherency: ok
[ 0.045000] ftrace: allocating 20608 entries in 61 pages
[ 0.050000] notifier_call_chain : NOTIFY BAD tick_notify
[ 0.050000] notifier_call_chain : NOTIFY BAD tick_notify
[ 0.050000] L310 cache controller enabled
[ 0.050000] l2x0: 16 ways, CACHE_ID 0x4100c4c8, AUX_CTRL 0x7e470001, Cache size: 1048576 B
[ 0.090000] CPU1: Booted secondary processor
[ 0.090000] notifier_call_chain : NOTIFY BAD tick_notify
[ 0.120000] CPU2: Booted secondary processor
[ 0.120000] notifier_call_chain : NOTIFY BAD tick_notify
[ 0.150000] CPU3: Booted secondary processor
[ 0.150000] notifier_call_chain : NOTIFY BAD tick_notify
[ 0.160000] Brought up 4 CPUs
[ 0.160000] SMP: Total of 4 processors activated (11966.87 BogoMIPS).
[ 0.165000] NET: Registered protocol family 16
[ 0.190000] DMA: preallocated 2560 KiB pool for atomic coherent allocations
[ 0.190000] [GPIO_DVS] secgpio_dvs_init has been initialized(0)!!!
[ 0.190000] [GPIO_DVS] secgpio_dvs_probe has been created!!!
[ 0.195000] HW revision: 0
[ 0.195000] lcd0 disable skip only one time
[ 0.200000] exynos4_pmu_init: PMU supports 4412(97)
[ 0.200000] S3C Power Management, Copyright 2004 Simtec Electronics
[ 0.200000] EXYNOS4: Initializing architecture
[ 0.205000] s3c-adc samsung-adc-v4: attached adc driver
[ 0.205000] samsung-pd samsung-pd.0: power domain registered
[ 0.205000] samsung-pd samsung-pd.1: power domain registered
[ 0.205000] samsung-pd samsung-pd.2: power domain registered
[ 0.205000] samsung-pd samsung-pd.5: power domain registered
[ 0.205000] samsung-pd samsung-pd.4: power domain registered
[ 0.205000] samsung-pd samsung-pd.6: power domain registered
[ 0.205000] samsung-pd samsung-pd.7: power domain registered
[ 0.205000] samsung-pd samsung-pd.8: power domain registered
[ 0.205000] s3c24xx-pwm s3c24xx-pwm.1: tin at 100000000, tdiv at 100000000, tin=divclk, base 8
[ 0.205000] s3c24xx-pwm s3c24xx-pwm.0: tin at 100000000, tdiv at 100000000, tin=divclk, base 0
[ 0.205000] UMP: UMP device driver loaded
[ 0.205000] s5p-sysmmu s5p-sysmmu.15: Initialized for s5p-fimg2d.
[ 0.205000] s5p-sysmmu s5p-sysmmu.1: Initialized for s3c-fimc.0.
[ 0.205000] s5p-sysmmu s5p-sysmmu.2: Initialized for s3c-fimc.1.
[ 0.205000] s5p-sysmmu s5p-sysmmu.3: Initialized for s3c-fimc.2.
[ 0.205000] s5p-sysmmu s5p-sysmmu.4: Initialized for s3c-fimc.3.
[ 0.205000] s5p-sysmmu s5p-sysmmu.5: Initialized for s5p-jpeg.
[ 0.205000] s5p-sysmmu s5p-sysmmu.13: Initialized for s3c-mfc.
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