Not ok with 0x3000
"Matvejchikov Ilya" <[EMAIL PROTECTED]>
收件人： "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
抄送： linuxppc-embedded@ozlabs.org
主题： Re: about FCC of MPC8270
Try 0x3000
2007/7/4, [EMAIL PROTECTED] <[EMAIL PROTECTED]>:
>
> I use it. And it is: #define CPM_FCC_SPECIAL_BASE ((uint)0x0000b000)
>
>
>
>
> Hi!
>
> Do you use CPM_FCC_SPECIAL_BASE constant? (include/asm-ppc/cpm2.h)
> In my case (8250, 8260) FCCs only works when it is set to 0x3000...
>
>
> 2007/7/4, [EMAIL PROTECTED] <[EMAIL PROTECTED]>:
> >
> > hello, every one
> >
> > I have a board with mpc8270. And there are two ethernet interface
by
> fcc1
> > and fcc2. Now in linux kernel 2.6.14 fcc1 is ok, but fcc2 is some
wrong.
> I
> > set loopback of fcc2 or rmii. that's ok. But i set loopback in phy,
it is
> > wrong. But fcc2 is ok in u-boot.
> >
> > I take a look with oscillograph. i find that there is signal from
fcc2 to
> > phy and there is signal from phy to fcc2 in data pins. But fcc2
cannot
> > receive data and fcc2 can send data.
> >
> > who know the reason? Can you tell me?
> >
> > thanks.
> > lichunlin
> >
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