How to debug ethernet

Dan Malek dan at
Tue Apr 10 06:14:47 EST 2001

Stefan Nunninger wrote:

> To do so I changed the file /arch/ppc/8xx_io/commproc.h  the values
> for
> ethernet (SCC1) as follows:

> #define PA_ENET_TCLK    ((ushort)0x0200)      /* Pin  6 Port A */
> #define PA_ENET_RCLK    ((ushort)0x0100)      /* Pin  7 Port A */

Your TCLK/RCLK pair doesn't match any existing configuration, so you
must also change the SICR_ENET_CLKRT value.  I didn't see this in
the code you listed, so if you didn't change it, this will be
part of the problem.

	-- Dan

** Sent via the linuxppc-embedded mail list. See

More information about the Linuxppc-embedded mailing list