562 static unsigned long dramc_init_helper(struct dram_para *para)  in dramc_init_helper()  argument
573 	if (para->type != DRAM_MEMORY_TYPE_DDR3 || para->rank_num != 1)  in dramc_init_helper()
577 	mctl_setup_dram_clock(para->clock, para->mbus_clock);  in dramc_init_helper()
593 	mctl_enable_dll0(para->tpr3);  in dramc_init_helper()
597 	reg_val |= DRAM_DCR_IO_WIDTH(para->io_width >> 3);  in dramc_init_helper()
599 	if (para->density == 256)  in dramc_init_helper()
601 	else if (para->density == 512)  in dramc_init_helper()
603 	else if (para->density == 1024)  in dramc_init_helper()
605 	else if (para->density == 2048)  in dramc_init_helper()
607 	else if (para->density == 4096)  in dramc_init_helper()
609 	else if (para->density == 8192)  in dramc_init_helper()
615 	reg_val |= DRAM_DCR_BUS_WIDTH((para->bus_width >> 3) - 1);  in dramc_init_helper()
616 	reg_val |= DRAM_DCR_RANK_SEL(para->rank_num - 1);  in dramc_init_helper()
623 	mctl_set_impedance(para->zq, para->odt_en);  in dramc_init_helper()
633 	mctl_enable_dllx(para->tpr3);  in dramc_init_helper()
636 	dramc_set_autorefresh_cycle(para->clock, density);  in dramc_init_helper()
639 	writel(para->tpr0, &dram->tpr0);  in dramc_init_helper()
640 	writel(para->tpr1, &dram->tpr1);  in dramc_init_helper()
641 	writel(para->tpr2, &dram->tpr2);  in dramc_init_helper()
647 	reg_val |= DRAM_MR_CAS_LAT(para->cas - 4);  in dramc_init_helper()
648 	reg_val |= DRAM_MR_WRITE_RECOVERY(ddr3_write_recovery(para->clock));  in dramc_init_helper()
651 	writel(para->emr1, &dram->emr);  in dramc_init_helper()
652 	writel(para->emr2, &dram->emr2);  in dramc_init_helper()
653 	writel(para->emr3, &dram->emr3);  in dramc_init_helper()
660 	if (para->tpr4 & 0x1)  in dramc_init_helper()
676 	if (para->dqs_gating_delay)  in dramc_init_helper()
677 		mctl_set_dqs_gating_delay(0, para->dqs_gating_delay);  in dramc_init_helper()
680 	if (para->active_windowing)  in dramc_init_helper()
693 unsigned long dramc_init(struct dram_para *para)  in dramc_init()  argument
698 	if (!para)  in dramc_init()
702 	if (para->io_width && para->bus_width && para->density)  in dramc_init()
703 		return dramc_init_helper(para);  in dramc_init()
706 	para->io_width  = 16;  in dramc_init()
707 	para->bus_width = 32;  in dramc_init()
710 	para->density = 4096;  in dramc_init()
713 	para->density = 8192;  in dramc_init()
716 	dram_size = dramc_init_helper(para);  in dramc_init()
719 		para->bus_width = 16;  in dramc_init()
720 		dram_size = dramc_init_helper(para);  in dramc_init()
728 	actual_density = (dram_size >> 17) * para->io_width / para->bus_width;  in dramc_init()
730 	if (actual_density != para->density) {  in dramc_init()
732 		para->density = actual_density;  in dramc_init()
733 		dram_size = dramc_init_helper(para);  in dramc_init()