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board/sunxi/dram_sun5i_auto.c 783 Bytes
d41ce506b   Eric Lee   Initial Release, ...
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  /* DRAM parameters for auto dram configuration on sun5i and sun7i */
  
  #include <common.h>
  #include <asm/arch/dram.h>
  
  static struct dram_para dram_para = {
  	.clock = CONFIG_DRAM_CLK,
  	.mbus_clock = CONFIG_DRAM_MBUS_CLK,
  	.type = 3,
  	.rank_num = 1,
  	.density = 0,
  	.io_width = 0,
  	.bus_width = 0,
  	.zq = CONFIG_DRAM_ZQ,
  	.odt_en = IS_ENABLED(CONFIG_DRAM_ODT_EN),
  	.size = 0,
  #ifdef CONFIG_DRAM_TIMINGS_VENDOR_MAGIC
  	.cas = 9,
  	.tpr0 = 0x42d899b7,
  	.tpr1 = 0xa090,
  	.tpr2 = 0x22a00,
  	.emr2 = 0x10,
  #else
  #	include "dram_timings_sun4i.h"
  	.active_windowing = 1,
  #endif
  	.tpr3 = CONFIG_DRAM_TPR3,
  	.tpr4 = 0,
  	.tpr5 = 0,
  	.emr1 = CONFIG_DRAM_EMR1,
  	.emr3 = 0,
  	.dqs_gating_delay = CONFIG_DRAM_DQS_GATING_DELAY,
  };
  
  unsigned long sunxi_dram_init(void)
  {
  	return dramc_init(&dram_para);
  }