[U-Boot] Rockchip RK3288 boot trouble

[Kever Yang <kever.yang@rock-chips.com>]

Hi Rick,

On 01/20/2017 02:29 AM, Rick Bronson wrote:
> Hi Kever and Simon,
>
>    Thanks very much for the help.  Really appreciate it.
>
>> I didn't see your detail steps for getting u-boot-dtb.bin, does it
>> include SPL here?
>    I'm using this method:
>
>> 2. with "CONFIG_ROCKCHIP_SPL_BACK_TO_BROM", which is default setting
> ...
>
>> I'm confusing with this incorrect DRAM size, could you share the console
>> output
>> during you flash the image, there should have correct DRAM size info.
>> I'm not sure if the DRAM on your board is symmetric or not,  or any else
>> special.
>    See below for the output.  I noticed that I only have "Channel b"
> and not "Channel a".  On my other board that boots, I have both a and b. I
> wonder if one bank of DDR3 went bad on this
> board.  What do you think?

Looks like there is something wrong on channel a DDR, and upstream 
source code does not
support this kind of solution, but if you are using rockchip DRAM init 
code, you board should
be still work only with one channel DRAM.

Thanks,
- Kever
>
>    Thanks again.
>
>    Rick
>
>
> DDR Version 1.00 20160217
> In
> Channel b: DDR3 200MHz
> Bus Width=32 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=8 Size=1024MB
> Memory OK
> OUT
> usb boot ver:20160218
> ChipType = 8
> ...FlashInit enter...
> FtlMallocOffset = 8040 8000
> FtlMallocOffset = 10040 8000
> FtlMallocOffset = 11040 1000
> FtlMallocOffset = 19040 8000
> FtlMallocOffset = 1a040 1000
> 1:0 0 7f7f05 22
> ...NandcInit enter...
> 0:1200 0 7f7f05 22
> FtlMallocOffset = 23040 9000
> gNandcVer = 6
>   SDC_BusRequest:  CMD=8  SDC_RESP_TIMEOUT 1815
>    SDC_BusRequest:  CMD=8  SDC_RESP_TIMEOUT 1815
>    SDC_BusRequest:  CMD=8  SDC_RESP_TIMEOUT 1815
>    SDC_BusRequest:  CMD=5  SDC_RESP_TIMEOUT 1815
>    SDC_BusRequest:  CMD=5  SDC_RESP_TIMEOUT 1815
>    SDC_BusRequest:  CMD=5  SDC_RESP_TIMEOUT 1815
>    SDC_BusRequest:  CMD=55  SDC_RESP_TIMEOUT 1815
>    SDC_BusRequest:  CMD=55  SDC_RESP_TIMEOUT 1815
>    SDC_BusRequest:  CMD=55  SDC_RESP_TIMEOUT 1815
>   mmc Ext_csd, ret=0 ,
>   Ext[226]=20, bootSize=2000,
>                   Ext[215]=1, Ext[214]=d5, Ext[213]=a0, Ext[212]=0,cap
> =1d5a000 R
> EL=1f
> SdmmcInit=2 0
> BootCapSize=2000
> UserCapSize=1d5a000
> FwPartOffset=2000 , 2000
> UsbHook 622396
> powerOn 623080
> DDR Version 1.00 20160217
> In
> SRX
> Channel b: DDR3 200MHz
> Bus Width=32 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=8 Size=1024MB
>
>
>
>
>
>