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OK here's what I get from my device (from power on to loader mode)
DDR Version 1.00 20140630
In
Channel a: DDR3 300MHz
Bus Width=32 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=1024MB
Channel b: DDR3 300MHz
Bus Width=32 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=1024MB
Memory OK
Memory OK
OUT
U-Boot 2014.04-RK3288-01-01104-gf91c05d (Sep 25 2014 - 09:46:59)
CPU: 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
storage init OK!
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!
no adc node
can't find dts node for ricoh619
can't find dts node for act8846
can't find dts node for rk808
can't find dts node for rk818
Can't find dts node for fuel guage cw201x
can't find dts node for ADC
SecureBootEn = 0, SecureBootLock = 0
#Boot ver: 2014-09-25#2.16
sn:100611000100001C
checkKey
vbus = 1
rockusb key pressed.
That's the U-Boot as shipped with the device. The shipped Ubuntu worked OK.
I can also build and boot kernel's from the Firefly SDK. I'm cross compiling under x86-64 Fedora 20 with gcc 4.9.1
Currently I'm trying to get current mainline running. Using linux-next + some patches and naobsd's firefly device tree, the kernel is getting as far as trying to mount the root filesystem but is failing as it seems the eMMC isn't getting set up right. But things seem to be moving in the right direction at least.
Cheers, Andrew | 
