[U-Boot] Please help for Data TLB Error in MPC8544
duckycool
duckycool at gmail.com
Tue May 26 18:21:44 CEST 2009
Hi Dave,
It still shows data tlb error tho.
I found it occur error around the GET_GOT of start.s.
The SRR0 and SRR1 show the error address of system.map is _start_cont.
Suspect the DDR setting problem ?? But I thought all the DDR setting are
from SPD.
So, I didn't set any entry of DDR in TLB1.
Any hint?
Liu Dave-R63238 wrote:
>
>> >EELADR - 0XF4010000, it is INIT_RAM address, why the
>> transaction with
>> >address(0xF4010000) go to system bus?
>> >It should keep in the cache due to cache lock, never out to
>> system bus.
>>
>> I don't know why... and it just happened.... shall I allocate
>> a entry of tlb for it?? or cover it in some space ?
>
> Not need.
>
>> A quick question is, there is a FPGA(actel pixis) in
>> mpc8544ds board, and it seems related with system clock ???
>> There is no such FPGA in my board, is it the problem??
>
> It is possible to be problem.
>
>> Shall I remove the pixis related code from board.h and
>> board.c and try to configure system clock by myself ?? Still
>> confusing.....
>
> Yes, remove the pixis related code. Configure the sys clk directly.
>
> Thanks, Dave
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