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Altera_Forum
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10 years ago

MSI Interrupt not working

Hi, I wrote a PCIe device driver. The driver is installed successfully. Interrupt is set to MSI. After installation, Power Enters D0 state. Interrupt enabled (MSI, MSEnable bit =1). Legacy Interru...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

I set the PCI express Avalon MM Bridge registers at 0x0050 (PCI Express interrupt Enable Register) to 0x0FF0000. But the number is not taken.

Was the register right? how to enable the interrupt?

Thanks,

Tiger