Hello,
First of all I want to mention that I am quite new on the development at this level on the mpc5200 based boards. It might be that I'll ask dumb or wrong questions so I want to apologize for this. I am using a custom board based on icecube 5200 reference card but with an additional PCI RTL8139 network interface. 1. I did compile the latest u-boot and at that level the PCI is detecting the interface and the u-boot is adding it in the network list as I can see as interfaces FEC and RTL8139#0.
2. I have compiled the latest released kernel 3.9.4 which is having support for mpc5200 based devices. The kernel is able to identify the RTL8139 interface, is loading properly the 8139too driver, I can change the settings of the interface, but when I am trying to setup the IP address I am getting an SIOCSIFFLAGS error. The investigations showed that the reason for the error is that the IRQ 0 that is detected by the system as being used by the interface cannot be used. The request_irq function in the rtl8139 is failing because the can_request_irq is returning 0.
The interesting boot messages that I found while booting the kernel and might be helpful are: [ 0.226240] mpc52xx_irqhost_map: Critical IRQ #3 is unsupported! Nopping it. ... [ 1.404745] 8139too 0000:01:0c.0 eth1: RealTek RTL8139 at 0xca086000, 00:e0:4c:00:00:08, IRQ 0
Any idea on how to address the situation?
Thanks in advance, Bogdan.
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