Reg RISC timers in MPC 8260

[Vitaly Bordug]

На Tue, 27 Jun 2006 04:31:37 -0700 (PDT)
Jagan <morphicsk at yahoo.com> записано:

> Hi all
> 
> We have a requirement of running a periodic timer for
> 5 millisecond using RISC timers in CPM module of
> MPC8260. The OS is monta vista linux and target is
> MPC8260 I have written a sample code to start a
> periodic timer using MPC8260. 
> 
> But it hangs when SET TIMER command is issued to the
> CPCR register. The cross compiler we r using is
> ppc_82xx-gcc.
>  
> Can anyone pls help me in getting this right ?
> 
> I am pasting the code here 
> ------------------------------------------------------
> /*Start of code snippet  ignoring the header files */
> cpm8xx_t	*cpmp;
> 
> volatile immap_t *immap = (immap_t *)IMAP_ADDR;
> 
hrmmm, isn't 8260 CPM2? This is 8xx immap, that is _really_ different
from what 8260 has... Grep for cpm2_immr and look into asm/immap_cpm2.h
for details.

-Vitaly