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