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 #include <linux/kconfig.h>
   6
   7 static struct dram_para dram_para = {
   8         .clock = CONFIG_DRAM_CLK,
   9         .mbus_clock = CONFIG_DRAM_MBUS_CLK,
  10         .type = 3,
  11         .rank_num = 1,
  12         .density = 0,
  13         .io_width = 0,
  14         .bus_width = 0,
  15         .zq = CONFIG_DRAM_ZQ,
  16         .odt_en = IS_ENABLED(CONFIG_DRAM_ODT_EN),
  17         .size = 0,
  18 #ifdef CONFIG_DRAM_TIMINGS_VENDOR_MAGIC
  19         .cas = 9,
  20         .tpr0 = 0x42d899b7,
  21         .tpr1 = 0xa090,
  22         .tpr2 = 0x22a00,
  23         .emr2 = 0x10,
  24 #else
  25 #       include "dram_timings_sun4i.h"
  26         .active_windowing = 1,
  27 #endif
  28         .tpr3 = CONFIG_DRAM_TPR3,
  29         .tpr4 = 0,
  30         .tpr5 = 0,
  31         .emr1 = CONFIG_DRAM_EMR1,
  32         .emr3 = 0,
  33         .dqs_gating_delay = CONFIG_DRAM_DQS_GATING_DELAY,
  34 };
  35
  36 unsigned long sunxi_dram_init(void)
  37 {
  38         return dramc_init(&dram_para);
  39 }