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"The DDR configuration table for C6678 and C6657 are different due to the difference in ROM implementation. The major difference being the C6657 DDR configuration table includes additional DDR Leveling parameters while C6678 does not. Also, the standard DDR initialization sequence was modified after the ROM bootloader code was finalized hence, we recommend users of C6678 to use a secondary bootloader or application code to initialize the DDR instead of using the RBL."
It is recommended that users load a simple secondary bootloader that initializes the DDR and loads the rest of the application. This can be done by jumping back into ROM or by creating custom boot mechanism. For example refer to the srioboot_ddrinit that we provide as part of the IBL examples:
