On 05/03/2011 08:48 AM, Alexander Stein wrote:
Hi Alexander,
Am Montag, 2. Mai 2011, 19:00:47 schrieb Wolfgang Denk:
In message 201105021640.27241.alexander.stein@systec-electronic.com you
wrote:
Ok, let me be more precise on this. We used U-Boot v2010.09 on a custom board running on an I.MX35 (ARM1136).
The i.MX35 is supported in u-boot mainline. As I can suppose, you start from the mx35pdk to port your code, probably you have good chances to use the last u-boot code. And then to send patches for your board, too... ;-)
This is an ARM board.
This is an old version before cache support for ARM was added.
This specific version was selected due to relocation problems on ARM.
The mx35pdk board is supported in u-boot mainline using relocation.
expect the dcache doesn't have that big influence on the named code part as the environment is already in RAM.
Check in the mailing list, the numbers reported by people who measured the influence of cache say there is a big difference, specially when big chunks of code is copied, that is copying the kernel from storage before booting.
Best regards, Stefano Babic