[ECOS] Re: modification for CYGPKG_DEVS_ETH_POWERPC_FCC package

Gary Thomas gary@mlbassoc.com
Mon Dec 15 15:51:00 GMT 2003


Note: this question belongs on ecos-discuss.  The maintainer's
list is only for questions dealing with the management of the
project, not porting details, etc.

On Mon, 2003-12-15 at 07:25, alix t wrote:
> Hi, 
> 
> I currently develop application for a motorola
> evaluation card ( PQ2FADS-VR with MPC8275). 
> I use CYGPKG_DEVS_ETH_POWERPC_FCC package for the
> ethernet driver. 
> But PQ2FADS-VR board use FCC2 anf FCC3 and
> CYGPKG_DEVS_ETH_POWERPC_FCC package in only coded for
> FCC1 and FCC2. 
> Is it possible to add some code to manage FCC3? 
> 
> 
> Modifications are the following: 
> 
> In file if_fcc.c: 
> 
> in function fcc_eth_init(struct cyg_netdevtab_entry
> *dtp) 
> 
> + case CYGNUM_HAL_INTERRUPT_FCC3: 
> + qi->fcc_reg = &(IMM->fcc_regs[FCC3]); 
> + fcc = (volatile t_Fcc_Pram *)((unsigned long)IMM +
> FCC3_PRAM_OFFSET); 
> + fcc_chan = FCC3_PAGE_SUBBLOCK; 
> + break; 
> 
> In file fcc.h: 
> 
> + #define FCC3 2 
> + #define FCC3_PRAM_OFFSET 0x8600 // Offset of
> t_Fcc_Pram in 82xx 

Look at how this is handled for the A&M Rattler - adding a
third (or different) device should not be difficult.
  .../devs/eth/powerpc/ratter

-- 
Gary Thomas <gary@mlbassoc.com>
MLB Associates


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