board/sunxi/dram_sun4i_auto.c

   1 #include <common.h>
   2 #include <asm/arch/dram.h>
   3 #include <linux/kconfig.h>
   4
   5 static struct dram_para dram_para = {
   6         .clock = CONFIG_DRAM_CLK,
   7         .type = 3,
   8         .rank_num = 1,
   9         .density = 0,
  10         .io_width = 0,
  11         .bus_width = 0,
  12         .zq = CONFIG_DRAM_ZQ,
  13         .odt_en = IS_ENABLED(CONFIG_DRAM_ODT_EN),
  14         .size = 0,
  15 #ifdef CONFIG_DRAM_TIMINGS_VENDOR_MAGIC
  16         .cas = 6,
  17         .tpr0 = 0x30926692,
  18         .tpr1 = 0x1090,
  19         .tpr2 = 0x1a0c8,
  20         .emr2 = 0,
  21 #else
  22 #       include "dram_timings_sun4i.h"
  23         .active_windowing = 1,
  24 #endif
  25         .tpr3 = CONFIG_DRAM_TPR3,
  26         .tpr4 = 0,
  27         .tpr5 = 0,
  28         .emr1 = CONFIG_DRAM_EMR1,
  29         .emr3 = 0,
  30         .dqs_gating_delay = CONFIG_DRAM_DQS_GATING_DELAY,
  31 };
  32
  33 unsigned long sunxi_dram_init(void)
  34 {
  35         return dramc_init(&dram_para);
  36 }