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mx31ads: Fix environment location on flash 

At the moment u-boot and u-boot environment on flash
have overlapping addresses, so each u-boot update erases
the environment. Fix this by placing evironment right
after u-boot. Also, remove confusing comment about environment
location.

Signed-off-by: Felix Radensky <felix@embedded-sol.com>
This commit is contained in:
Felix Radensky 2011-06-06 05:06:07 +00:00 committed by Stefano Babic
parent ac88e66e14
commit ba8dcca78d
1 changed files with 3 additions and 7 deletions
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10
include/configs/mx31ads.h
View File

@ -182,18 +182,14 @@
#define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256KiB */
#define CONFIG_ENV_IS_IN_FLASH 1
#define CONFIG_ENV_SECT_SIZE (32 * 1024)
#define CONFIG_ENV_SECT_SIZE (128 * 1024)
#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
/* Address and size of Redundant Environment Sector */
#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR + CONFIG_ENV_SIZE)
#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
/* S29WS256N NOR flash has 4 32KiB small sectors at the beginning and at the end.
* The rest of 32MiB is in 128KiB big sectors. U-Boot occupies the low 4 sectors,
* if we put environment next to it, we will have to occupy 128KiB for it.
* Putting it at the top of flash we use only 32KiB. */
#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + CONFIG_ENV_SECT_SIZE)
/*-----------------------------------------------------------------------
* CFI FLASH driver setup