1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* 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 = 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);
}
|
