FCC1 failing on large packet PINGS, while FCC2 is successful

Scott Wood scottwood at freescale.com
Wed Oct 1 02:49:33 EST 2008

embedded wrote:
> Actually, it may have been a simple fix.  Looking at the clocks. We
> noticed something a little awry;  Just rechecking the RM and the code
> we found that within ep8248.c, the clock setup code had the RX and TX
> clocks flipped.
> FCC1 RX CLK should be Clock 10
> FCC1 TX CLK should be Clock 11

D'oh!  Thanks for finding that.

> in: arch/powerpc/platforms/82xx/ep8248.c
> static void __init init_ioports(void)
> -	cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK11, CPM_CLK_RX);
> -	cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK10, CPM_CLK_TX);
> +	cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK10, CPM_CLK_RX);
> +	cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK11, CPM_CLK_TX);

Acked-by: Scott Wood <scottwood at freescale.com>

Post to linuxppc-dev at ozlabs.org and galak at kernel.crashing.org with a 


More information about the Linuxppc-embedded mailing list