UMC_RANK_HASH_DDR4
reg = UMC_RANK_HASH_DDR4(id, i);
#define UMC_PC_HASH_DDR4(u) UMC_RANK_HASH_DDR4(u, 1)
#define UMC_PC_HASH2_DDR4(u) UMC_RANK_HASH_DDR4(u, 2)