Tool/software:
Hi TI experts,
I'm having trouble debugging the DDR4 initialization on my AM6442 custom board, which is a whole new design and does not boot up successfully, yet.
Could you provide some guidance to help me to solve this issue? Thanks.
Here are the details for your reference.
- SDK version: ti-processor-sdk-linux-am64xx-evm-09.02.01.09
- "read DBI" is DISABLED manually (reference)
- Chip model: AM6442BSEFHAALV 34PL1JLS 709 G1 (HS-FS device, SR2.0)
- DDR4 chip:
- ISSI, IS43QR81024A-075VBLI K103
- 1Gb x 8 bits x 2 devices = 2GB
- not support "read DBI" function
- datasheet is here: IS43QR81024A-075VBLI.pdf
- DDR4 DTSI
- We keep most of the default setting from "DDR Register Configuration Tool in SysConfig," but make only 3 changes to the following parameters.
- Reference Design: TMDS64GPEVM
- Data Bus Width (per device): 8
- Density (per device) (Gb): 8
- Schematic (DDR interface from processor to memory)