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keystone GE例程DDR初始化错误

在C6678平台上跑论坛提供的keystone例程,GE模块测试程序编译成功,但是运行的时候输出DDR初始化的fail。如DDR3 leveling has failed, STATUS = 0x40000064。请问这是哪个地方设置的问题吗?

GE程序我用的是GE_TEST_EMAC_LOOPBACK    GE_TEST_SGMII_LOOPBACK    GE_TEST_SERDES_LOOPBACK 几种模式,都有fail出现

x 出现错误。请重试或与管理员联系。