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IMX8QXP pcie初始化失败

Question asked by yang chao on Jun 10, 2019
Latest reply on Jul 31, 2019 by hognbo Liu

您好:

我用的是IMX8qxp,我们用的是pci的内部时钟,没有外接高精度的信号发生器。

l内核启动打印:(Linux version 4.14.78)

[ 0.948995] OF: PCI: host bridge /pcie@0x5f010000 ranges:
[ 0.949005] OF: PCI: No bus range found for /pcie@0x5f010000, using [bus 00-ff]
[ 0.949018] OF: PCI: IO 0x7ff80000..0x7ff8ffff -> 0x00000000
[ 0.949033] OF: PCI: MEM 0x70000000..0x7fefffff -> 0x70000000
[ 0.951582] imx6q-pcie 5f010000.pcie: ERROR PM_REQ_CORE_RST is still set.
[ 0.972396] imx6q-pcie 5f010000.pcie: pcie phy pll can't be locked.
[ 1.012421] imx6q-pcie 5f010000.pcie: failed to initialize host
[ 1.012426] imx6q-pcie 5f010000.pcie: unable to add pcie port.

 

我的原理图如下:

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