[U-Boot] [PATCH v2 4/5] Fix env address for Sheevaplug board

[DrEagle]

Le 24/09/2012 10:46, Prafulla Wadaskar a écrit :
> 
> 
>> -----Original Message-----
>> From: u-boot-bounces at lists.denx.de [mailto:u-boot-
>> bounces at lists.denx.de] On Behalf Of DrEagle
>> Sent: 22 September 2012 12:48
>> To: DrEagle
>> Cc: Lior Amsalem; u-boot at lists.denx.de; uboot at doukki.net
>> Subject: [U-Boot] [PATCH v2 4/5] Fix env address for Sheevaplug board
>>
>>
>> Fix env address for Sheevaplug board
>> Move env address and offset from 0x60000 to 0x80000
>>
>> Signed-off-by: drEagle <dreagle at doukki.net>
>> ---
>>  include/configs/sheevaplug.h |    5 ++---
>>  1 file changed, 2 insertions(+), 3 deletions(-)
>>
>> diff --git a/include/configs/sheevaplug.h
>> b/include/configs/sheevaplug.h
>> index 7d710bf..a10e825 100644
>> --- a/include/configs/sheevaplug.h
>> +++ b/include/configs/sheevaplug.h
>> @@ -71,9 +71,8 @@
>>   * it has to be rounded to sector size
>>   */
>>  #define CONFIG_ENV_SIZE			0x20000	/* 128k */
>> -#define CONFIG_ENV_ADDR			0x60000
>> -#define CONFIG_ENV_OFFSET		0x60000	/* env starts here */
>> -
>> +#define CONFIG_ENV_ADDR			0x80000
>> +#define CONFIG_ENV_OFFSET		0x80000	/* env starts here */
> 
> Why do you need this shift?

Because the size of the new u-boot binary overlap the actual env offset.
If you reset the env or save env with a new u-boot, the code is corrupt, and noo boot anymore.

This shift fix this.

> Regards...
> Prafulla . .. 
>