All, I have had some success with making the gt64260_eth.c driver from the 2.4.26 dev tree work with the 2.6.7 kernel. I am able to see the ARP request and response messages via a network analyzer. However, the response messages appear not to generate an interrupt and I eventually timeout when mounting an NFS file system. My hardware maps a multi purpose pin from the Discovery 64260 to a cascaded pair of i8259's for all Ethernet and serial interrupts. It is mapped to IRQ 15 using INT E which is initialized by my ppcboot bootloader using the pciWriteConfigRegByte function. Also, I receive interrupts fine for the keyboard and mouse, so I feel all is OK with the i8259 driver etc... I do not have a 64260 dev manual so I am unclear if there is any special software initialization needed for my configuration that must take place in gt64260_eth.c or ev64260_setup.c or if I am simply overlook something . A few areas of interest were:
In gt64260_eth.c /* * enable relevant interrupts on GT */ gt_write(GT64260_ENET_E0IMR + gap, 0xb0ff010d); In ev64260_setup.c. /* Set MPSC Multiplex RMII */ /* NOTE: ethernet driver modifies bit 0 and 1 */ gt_write(GT64260_MPP_SERIAL_PORTS_MULTIPLEX, 0x00001102); Any insight is always appreciated. Thanks, Michael Morales ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
