static struct dram_para dram_para = {
	.clock = 312,
	.type = 3,
	.rank_num = 1,
	.density = 4096,
	.io_width = 16,
	.bus_width = 32,
	.cas = 6,
	.zq = 0x7f,
	.odt_en = 0,
	.tpr0      = 0x248d5590,
        .tpr1      = 0xa088,
        .tpr2      = 0x22a00,
        .tpr3      = 0x0,
        .tpr4      = 0x0,
        .tpr5      = 0x0,
        .emr1      = 0x0,
        .emr2      = 0x0,
        .emr3      = 0x0,
};