[U-Boot] [PATCH 2/2] microblaze: move ENV onto top of flash

[Michal Simek <monstr@monstr.eu>]

On 07/02/2012 09:36 PM, Stephan Linz wrote:
> Am Montag, den 02.07.2012, 07:52 +0200 schrieb Michal Simek:
>> 2012/7/1 Stephan Linz<linz@li-pro.net>:
>>> On Microblaze systems with BPI configuration from CFI flash
>>> the first 1-10 MB will occupied by the FPGA configuration
>>> data (BIN file). So we can not use this area for the U-Boot
>>> environment.
>>>
>>> In most of all FPGA configuration cases the upper sector in
>>> flash memory will be free for individuell usage.
>>
>> is it based on any statistic? I don't think so.
>
> Hi Michal,
>
> yes, there isn't ... you are right ;)
>
>>
>>>
>>> Signed-off-by: Stephan Linz<linz@li-pro.net>
>>> ---
>>>   include/configs/microblaze-generic.h |    8 +++-----
>>>   1 files changed, 3 insertions(+), 5 deletions(-)
>>
>> nack for this.
>> One configuration file can't cover all fpga cases.
>> The reason why there is only one configuration file for microblaze is
>> that fpga variability.
>> If you want to use this option just create new board with your configuration
>> and use it.
>
> I can live with that, but the current configuration file defines a
> memory hole of 256kB in the first 2 sectors in flash. For what? -- The
> environment is placed in the 3rd sector. All other sectors are free for
> anything.

For u-boot itself.

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng)
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
Microblaze U-BOOT custodian