a question of mpc8313, maybe simple

2008-06-23 Thread jumpingProgrammer
i am working with a board of mpc8313 using default mpc8313erdb.dts. But i do not know how can i correctly use DMA to transport data from memory to a PCI device. i tryed this { . request_irq(IRQ,); request_dma(.); } In request_irq() , i do not know what is the

Re: a question of mpc8313, maybe simple

2008-06-23 Thread jumpingProgrammer
ts? Now i am reading PCI driver in kernel 2.6.20 to catch your meaning. Scott Wood-2 wrote: > > On Mon, Jun 23, 2008 at 05:48:07AM -0700, jumpingProgrammer wrote: >> i am working with a board of mpc8313 using default mpc8313erdb.dts. >> But i do not know how can i correctly

Re: Using DMA interrupt on MPC8313

2008-06-23 Thread jumpingProgrammer
I use this in 8313erdb.dts, but can not find DMA info in /proc/interrupts.why? [EMAIL PROTECTED] { #address-cells = <1>; #size-cells = <1>; compatible = "fsl,elo-dma"; cell-index = <0>;