Re: Motorola MX.l DMA controller problem

From: JJ (jjliu.hk_at_gmail.com)
Date: 05/20/05 

Date: 20 May 2005 00:34:48 -0700

I checked MX21's reference manuel, Motorola added a new register
"Channel Counter Register" to MX21's DMAC. I does not check MX21's BSP
but I believe it is fixed by the new register in MX21.

Stephane M wrote:
> "JJ" <jjliu@gmail.com> wrote in message
news:d62nql$edl$1@news.hgc.com.hk...
> > Motoroloa's MX.l's DMA controller does not support transfer count
and
> > get_dma_residue does not function. I dont know how to fix this
problem.
> >
> >
>
> Which Linux are you using ??
> I would suppose that BSP MX1, could be "quite" copmpatible with a
"MX21
> BSP"
>
> Actually, There are 3 Linux distry today on the market. Are you using
one of
> them ??
> At least the Metrowerks one can be downloaded fo free on their
Website...
> Have a look if this will solve your problem with the Brand new BSP
>
> * Metrowerks just released a fairly new BSP wiht PCS and Embedix
> http://www.metrowerks.com/MW/download/default.asp?action=bsp
> * Monta vista also propose a BSP
> http://www.mvista.com/products/boards.html#arm
> * Now, Sysgo will propose a BSP !!
> http://www.sysgo.com/index.php?id=79&backPID=80&L=1&tt_news=153
>
> Steph

Relevant Pages

  • Re: Access to my hardware registers
    ... this kind of register is a shared global resource ... > prevent problems with Read Modify Write sequences. ... > done is dependent on whoever wrote the BSP. ... Sometimes, the BSP ...
    (microsoft.public.windowsce.platbuilder)
  • Re: Motorola MX.l DMA controller problem
    ... "Channel Counter Register" to MX21's DMAC. ... I does not check MX21's BSP ... There are 3 Linux distry today on the market. ... > * Metrowerks just released a fairly new BSP wiht PCS and Embedix ...
    (comp.os.linux.embedded)
  • Re: Access to my hardware registers
    ... this kind of register is a shared global resource ... used by various drivers etc. So, access to it needs to be controlled to ... Sometimes, the BSP ... one accessing the register, just map in the address range with MmMapIoSpace ...
    (microsoft.public.windowsce.platbuilder)
  • Re: Motorola MX.l DMA controller problem
    ... I would suppose that BSP MX1, could be "quite" copmpatible with a "MX21 ... There are 3 Linux distry today on the market. ... At least the Metrowerks one can be downloaded fo free on their Website... ... Have a look if this will solve your problem with the Brand new BSP ...
    (comp.os.linux.embedded)