/*
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*********************************************************************************************************
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* AR100 SYSTEM
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* AR100 Software System Develop Kits
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* dram module
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*
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* (c) Copyright 2012-2016, Sunny China
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* All Rights Reserved
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*
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* File : dram.h
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* By : Sunny
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* Version : v1.0
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* Date : 2012-4-28
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* Descript: dram driver public header.
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* Update : date auther ver notes
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* 2012-4-28 10:28:51 Sunny 1.0 Create this file.
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*********************************************************************************************************
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*/
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#ifndef __DRAM_H__
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#define __DRAM_H__
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#include "autoconf.h"
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#ifdef CFG_DDR3
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#define DRAM_TYPE_DDR3
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#endif
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#ifdef CFG_DDR4
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#define DRAM_TYPE_DDR4
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#endif
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#ifdef CFG_LPDDR3
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#define DRAM_TYPE_LPDDR3
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#endif
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#ifdef CFG_LPDDR4
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#define DRAM_TYPE_LPDDR4
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#endif
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#define __dram_para_t dram_para_t
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typedef struct dram_para {
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/* normal configuration */
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unsigned int dram_clk;
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/* dram_type, DDR2: 2, DDR3: 3, LPDDR2: 6, LPDDR3: 7, DDR3L: 31 */
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unsigned int dram_type;
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unsigned int dram_dx_odt;
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unsigned int dram_dx_dri;
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unsigned int dram_ca_dri;
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unsigned int dram_para0;
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/* control configuration */
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unsigned int dram_para1;
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unsigned int dram_para2;
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/* timing configuration */
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unsigned int dram_mr0;
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unsigned int dram_mr1;
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unsigned int dram_mr2;
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unsigned int dram_mr3;
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unsigned int dram_mr4;
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unsigned int dram_mr5;
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unsigned int dram_mr6;
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unsigned int dram_mr11;
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unsigned int dram_mr12;
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unsigned int dram_mr13;
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unsigned int dram_mr14;
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unsigned int dram_mr16;
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unsigned int dram_mr17;
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unsigned int dram_mr22;
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unsigned int dram_tpr0; /*DRAMTMG0*/
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unsigned int dram_tpr1; /*DRAMTMG1*/
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unsigned int dram_tpr2; /*DRAMTMG2*/
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unsigned int dram_tpr3; /*DRAMTMG3*/
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unsigned int dram_tpr6; /*DRAMTMG8*/
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/* reserved for future use */
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unsigned int dram_tpr10;
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unsigned int dram_tpr11;
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unsigned int dram_tpr12;
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unsigned int dram_tpr13;
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unsigned int dram_tpr14;
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} __dram_para_t;
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#define DELAY_FOR_DRAM
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extern unsigned int dram_power_save_process(__dram_para_t *para);
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extern unsigned int dram_power_up_process(__dram_para_t *para);
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#endif /* __DRAM_H__ */
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