Part Number: DM3730
Tool/software: Code Composer Studio
Hi,
I'm facing a L3 in-band error when I use EDMA to copy data from GPMC to SDRAM in DSP.
my processor is DM3730.
this issue occur when DSP code enable a EDMA transfer, and there is no complete callback return, even no error.
check the IVA2.2 system port L3 register, the value is :
L3_IA_COMPONENT : 0x10106331
L3_IA_CORE : 0x200001
L3_IA_AGENT_CONTROL : 0x3e040400
L3_IA_AGENT_STATUS : 0x1000a010
L3_IA_ERROR_LOG :0x84001400
L3_IA_ERROR_LOG_ADDR : 0x0
GEM_AGENT_STATUS : 0x28
EDMA_AGENT_STATUS: 0xa3832
the register value indicate that:
1‘ there is a in-band error in L3_IA_AGENT_STATUS.
2' EMDA agent is in a request outstanding status.
3' GEM agent is in a waiting response status.
my problem is
1/ how could be this issue happen? did I need to reduce the L3 bus access?
2/ when this issue happen, what need I do to get the EDMA working right again?
Thanks.
