board/sunxi/dram_sun5i_auto.c

   1 /* DRAM parameters for auto dram configuration on sun5i and sun7i */
   2
   3 #include <common.h>
   4 #include <asm/arch/dram.h>
   5
   6 static struct dram_para dram_para = {
   7         .clock = CONFIG_DRAM_CLK,
   8         .type = 3,
   9         .rank_num = 1,
  10         .density = 0,
  11         .io_width = 0,
  12         .bus_width = 0,
  13         .zq = CONFIG_DRAM_ZQ,
  14         .odt_en = 0,
  15         .size = 0,
  16 #ifdef CONFIG_DRAM_TIMINGS_VENDOR_MAGIC
  17         .cas = 9,
  18         .tpr0 = 0x42d899b7,
  19         .tpr1 = 0xa090,
  20         .tpr2 = 0x22a00,
  21         .emr2 = 0x10,
  22 #else
  23 #       include "dram_timings_sun4i.h"
  24 #endif
  25         .tpr3 = 0,
  26         .tpr4 = 0,
  27         .tpr5 = 0,
  28         .emr1 = CONFIG_DRAM_EMR1,
  29         .emr3 = 0,
  30 };
  31
  32 unsigned long sunxi_dram_init(void)
  33 {
  34         return dramc_init(&dram_para);
  35 }