u-boot/board/sunxi/dram_sun5i_auto.c

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/* 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,
.type = 3,
.rank_num = 1,
.density = 0,
.io_width = 0,
.bus_width = 0,
.cas = 9,
.zq = CONFIG_DRAM_ZQ,
.odt_en = 0,
.size = 0,
.tpr0 = 0x42d899b7,
.tpr1 = 0xa090,
.tpr2 = 0x22a00,
.tpr3 = 0,
.tpr4 = 0,
.tpr5 = 0,
.emr1 = CONFIG_DRAM_EMR1,
.emr2 = 0x10,
.emr3 = 0,
};
unsigned long sunxi_dram_init(void)
{
return dramc_init(&dram_para);
}