On Sat, 20 Jun 2009 19:10:14 +0900
Shinya Kuribayashi <skuri...@pobox.com> wrote:

> The following commit introduced $(PCI_CLOCK) reference so that
> we could tweak `PCI_66M' definition via an environment variable.
> 
> > commit f046ccd15c8bc9613bfd72916b761a127d36e5c6
> > Author: Eran Liberty <libe...@freescale.com>
> > Date:   Thu Jul 28 10:08:46 2005 -0500
> >
> >     * Patch by Eran Liberty
> >       Add support for the Freescale MPC8349ADS board.
> 
> But I suggest a removal of it for the following reasons:
> 
> * In 2006, MPC8349ADS was merged into MPC8349EMDS port,
>   and it seems that MPC8349EMDS port is PCI_66M free.
> 
> * OTOH, PCI_66M is used by MPC832XEMDS an MPC8360EMDS ports,
>   but they don't need $(PCI_CLOCK) environment variable at all.
>   PCI_66M is automatically configured via $(BOARD)_config names
>   with the help of $(findstring _66_,$@).
> 
> * Unfortunately $(PCI_CLOCK) has been undocumented anywhere,
>   so only a few people know the existence of it these days.
> 
> * Keep config.mk independent from $(BOARD) as much as possible.
> 
> Signed-off-by: Shinya Kuribayashi <skuri...@pobox.com>
> ---
>  config.mk |    4 ----
>  1 files changed, 0 insertions(+), 4 deletions(-)
> 
> diff --git a/config.mk b/config.mk
> index 7fc0453..f2c2c6c 100644
> --- a/config.mk
> +++ b/config.mk
> @@ -194,10 +194,6 @@ BFD_ROOT_DIR =           /opt/powerpc
>  endif
>  endif
>  
> -ifeq ($(PCI_CLOCK),PCI_66M)
> -CFLAGS := $(CFLAGS) -DPCI_66M
> -endif

it's all true..

$ git grep PCI_CLOCK
board/xilinx/ml300/xparameters.h:#define XPAR_XPCI_CLOCK_HZ 33333333

Acked-by: Kim Phillips <kim.phill...@freescale.com>

Kim
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