[U-Boot] [PATCH] mpc83xx: Improve the performance of DDR memory

Kim Phillips kim.phillips at freescale.com
Thu Nov 20 01:46:52 CET 2008


On Tue,  4 Nov 2008 14:55:33 +0800
Dave Liu <daveliu at freescale.com> wrote:

> From: Howard Gregory <Greg.Howard at freescale.com>
> 
> modify the CAS timings. my understanding is that these
> settings decrease various wait times in the DDR interface.
> Because these wait times are in clock cycles, and the DDR
> clock on the 8315 RDB runs slower than on some other 83xx
> platforms, we can dial down these values without a problem,
> thereby decreasing the latency of memory a little.
> 
> Signed-off-by: Howard Gregory <Greg.Howard at freescale.com>
> Signed-off-by: Dave Liu <daveliu at freescale.com>

applied to u-boot-mpc83xx master.

Thanks,

Kim


More information about the U-Boot mailing list