On Aug 21, 2007, at 7:09 AM, sivaji wrote: > > Hai, > > Currently I am involved in the testing of a MPC8641D based board > designed by > us. We have planned to test the PCI Express interface through a > back to back > interface, host being mpc8641d and target is mpc8548. > > When trying a target DMA transaction we are not able to access the > host > memory using pci Express bus. We are facingDMA Transfer Error. > Without DMA > we are able to access the host memory from the target and target > memory from > the host. > > > The processor rev number is 2.0. The external irq[0-3] are pulled > down and > the polarity is active low and it is level sensitive. > > Memory base address : 0x80000000 size:512MB > I/O base address : 0xe2000000 size:16MB. > Kernel Version : 2.6.21
I suggest upgrading to 2.6.23-rc3. There are a number of PCIe related fixes that have gone in. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
