RE: DMA example

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> -----Original Message-----
> From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of Philip
> Balister
> Sent: Thursday, February 25, 2010 1:04 AM
> To: linux-omap@xxxxxxxxxxxxxxx
> Subject: DMA example
> 
> I am trying to setup a dma operation to copy memory from GPMC address
> space into RAM. The only examples using the omap-dma api use hardware
> triggers.
> 
What you mean by GPMC address space. Are you trying to DMA data from NAND/NOR
to SDRAM/SRAM ?

> When I start a transfer, I end up with a DMA transaction error when I
> start the transfer.
> 
> Does anyone have a good example of a software transfer? Currently, I am
> tracing the omap dma api to see how things map into the registers ....
> 
> Philip
> --
> To unsubscribe from this list: send the line "unsubscribe linux-omap" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux