Re: [U-Boot] usage of DMA

Hi Marcel, Marcel wrote: Could you enable debug output for ether.c and for your UDC driver and show the results? I enabled a lot of extra debugging messages so this is not very short. The output attached below is including start of macb but USB device behave the same when I don't enable

Re: [U-Boot] usage of DMA

Hi Vitaly, Thanks so much for your reply. I got a little further now. Marcel wrote: Could you enable debug output for ether.c and for your UDC driver and show the results? I enabled a lot of extra debugging messages so this is not very short. The output attached below is including

Re: [U-Boot] usage of DMA

Hi Vitaly, If you want to autoboot from tftp you should specify bootcmd environment variable to something like tftp uImage; bootm. And always use usb gadget only with network commands like tftp, dhcp, ping, etc. Currently it boots to the prompt. Than when I specify things like the above it

Re: [U-Boot] usage of DMA

Hi Marcel, Marcel wrote: I have already reduced the code quite far. Basically all dma related stuff is gone. According to your first message in this thread I suppose that you are using atmel_usba_udc driver. Am I right? Looks like it's able to use PIO mode transfer (I mean linux driver).

Re: [U-Boot] usage of DMA

Hi Marcel, In addition, did you enable CONFIG_USB_GADGET_DUALSPEED option in your u-boot config file? With best regards, Vitaly. ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot