dram_clk = 408 dram_type = 3 dram_rank_num = 1 dram_chip_density = 4096 dram_io_width = 16 dram_bus_width = 32 dram_cas = 6 dram_zq = 0x7b dram_odt_en = 0 dram_tpr0 = 0x30926692 dram_tpr1 = 0x1090 dram_tpr2 = 0x1a0c8 dram_tpr3 = 0x0 dram_emr1 = 0x4 dram_emr2 = 0x0 dram_emr3 = 0x0