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Support for redundant environment in NAND Flash.

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This commit is contained in:
Markus Klotzbuecher 2006-03-20 18:02:44 +01:00 • committed by Markus Klotzbcher
parent 5536b2b5a9
commit e443c944cf
4 changed files with 126 additions and 13 deletions
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12
include/environment.h
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@ -69,6 +69,18 @@
# endif
#endif /* CFG_ENV_IS_IN_FLASH */
#if defined(CFG_ENV_IS_IN_NAND)
# ifndef CFG_ENV_OFFSET
# error "Need to define CFG_ENV_OFFSET when using CFG_ENV_IS_IN_NAND"
# endif
# ifndef CFG_ENV_SIZE
# error "Need to define CFG_ENV_SIZE when using CFG_ENV_IS_IN_NAND"
# endif
# ifdef CFG_ENV_OFFSET_REDUND
# define CFG_REDUNDAND_ENVIRONMENT
# endif
#endif /* CFG_ENV_IS_IN_NAND */
#ifdef CFG_REDUNDAND_ENVIRONMENT
# define ENV_HEADER_SIZE (sizeof(unsigned long) + 1)