Why FEC and SCC1 can not work at the same time?

[Dave Ellis]

On Tuesday, September 17, 2002 zhongqx wrote:
> Now I meet a new problem! it is very strange!
> I want to use FEC(100M) and SCC1(10M) interface,but they can
> not work together.
>      When I use ppcboot with CONFIG_SCC1_ENET defined , boot
> linux ,then SCC1 is ok,when I ping FEC (I config it ip
> address is 192.168.2.221) it displayed messaged "time out".
>      When I use ppcboot with CONFIG_FEC_ENET  defined,  boot
> linux ,then FEC is ok, when I
> ping SCC( I config it ip address is 192.168.1.198) it
> displayed messaged also "time out".

For FADS PPCBoot sets up both BCSR1 and BCSR4 in cpu/mpc8xx/scc.c.
In Linux 2.4.18 only BCSR1 is configured in arch/ppc/8xx_io/enet.c
Maybe configuring BCSR4 in enet.c would help.

Dave

Dave Ellis
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