On 04/25/2012 05:57 AM, Joakim Tjernlund wrote:
>>
>> Debugging of e500 and e500v1 processer requires MSR[DE] bit to be set always.
>> Where MSR = Machine State register
>>
>> Make sure of MSR[DE] bit is set uniformaly across the different execution
>> address space i.e. AS0 and AS1.
> 
> Hi
> 
> We are trying to bring up our custom P2010 RDB based board. boot is NOR
> based and we cannot get past the rfi below.
>       lis     r6,MSR_IS|MSR_DS@h
>       ori     r6,r6,MSR_IS|MSR_DS@l
>       lis     r7,switch_as@h
>       ori     r7,r7,switch_as@l
> 
>       mtspr   SPRN_SRR0,r7
>       mtspr   SPRN_SRR1,r6
>       rfi
> 
> switch_as:
> 
> We end up with a TLB exception no matter what we do, even after applying this 
> patch.

Did you apply the entire patchset, and define CONFIG_SYS_PPC_E500_DEBUG_TLB?

-Scott

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