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6678 DDR初始化问题

您好,

情况是这样的:向DDR写入诸如0x0,0x1,0x2......的线性数,读回的值为0x8,0x9,0xa.....,似乎所有的数都错位了,采用循环语句试着更新levling配置参数,发现读回的数开始变为0x4,0x5,0x6,继续更新配置,读回的值又变为0x8,0x9,0xa........无法跳回到正确的情况。

请问这该修改哪些地方呢,我是参照TI给的DDR初始化例程修改的

谢谢!

  • 请先确认按照如下链接的表格,根据你的pcb layout及RAM选型输入相应的参数,然后将生成的DDR控制器参数更新到如下链接中提供的ddr初始化程序进行测试。

    http://www.deyisupport.com/question_answer/dsp_arm/c6000_multicore/f/53/t/53384.aspx