U-Boot 2014.04-g2e53b0d (Jul 28 2014 - 10:37:01)

CPU is rk3288
CPU's clock information:
    arm pll = 600000000HZ
    periph pll = 297000000HZ
    ddr pll = 300000000HZ
    codec pll = 384000000HZ
Board:	Rockchip platform Board
Found dram banks:1
Adding bank:0000000000000000(0000000080000000)
DRAM:  128 MiB
MMC:   storage init OK!
rk emmc: 0
Using default environment

GetParam
check parameter success
Unknow param: MACHINE_MODEL:rk30sdk!
Unknow param: MACHINE_ID:007!
Unknow param: MANUFACTURER:RK30SDK!
Unknow param: PWR_HLD: 0,0,A,0,1!
failed to prepare_fdt from boot!
can't find dts node for ricoh619
can't find dts node for act8846
dwc_otg_check_dpdm otg_dctl=0x0,otg_hprt0 = 0x400
pmic:rk808
SecureBootEn = 0, SecureBootLock = 0
empty serial no.
checkKey
vbus = 1
read logo_on switch from dts [0]
Hit any key to stop autoboot:  0
SecureBootCheckOK:0
kernel   @ 0x02000000 (0x004ba244)
ramdisk  @ 0x04ff0000 (0x0011e81f)
failed to prepare_fdt from boot!
booti: do_bootm_linux...
   Loading Device Tree to 04817000, end 048300da ... OK
Add bank:0000000000000000, 0000000080000000

Starting kernel ...

Uncompressing Linux... done, booting the kernel.