**************************************************************************
*/
-#if defined(CFG_ENV_IS_IN_FLASH)
-# ifndef CFG_ENV_ADDR
-# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
+#if defined(CONFIG_ENV_IS_IN_FLASH)
+# ifndef CONFIG_ENV_ADDR
+# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
# endif
-# ifndef CFG_ENV_OFFSET
-# define CFG_ENV_OFFSET (CFG_ENV_ADDR - CFG_FLASH_BASE)
+# ifndef CONFIG_ENV_OFFSET
+# define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE)
# endif
-# if !defined(CFG_ENV_ADDR_REDUND) && defined(CFG_ENV_OFFSET_REDUND)
-# define CFG_ENV_ADDR_REDUND (CFG_FLASH_BASE + CFG_ENV_OFFSET_REDUND)
+# if !defined(CONFIG_ENV_ADDR_REDUND) && defined(CONFIG_ENV_OFFSET_REDUND)
+# define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET_REDUND)
# endif
-# ifndef CFG_ENV_SIZE
-# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
+# if defined(CONFIG_ENV_SECT_SIZE) || defined(CONFIG_ENV_SIZE)
+# ifndef CONFIG_ENV_SECT_SIZE
+# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
+# endif
+# ifndef CONFIG_ENV_SIZE
+# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
+# endif
+# else
+# error "Both CONFIG_ENV_SECT_SIZE and CONFIG_ENV_SIZE undefined"
# endif
-# if defined(CFG_ENV_ADDR_REDUND) && !defined(CFG_ENV_SIZE_REDUND)
-# define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE
+# if defined(CONFIG_ENV_ADDR_REDUND) && !defined(CONFIG_ENV_SIZE_REDUND)
+# define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
# endif
-# if (CFG_ENV_ADDR >= CFG_MONITOR_BASE) && \
- (CFG_ENV_ADDR+CFG_ENV_SIZE) <= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
+# if (CONFIG_ENV_ADDR >= CONFIG_SYS_MONITOR_BASE) && \
+ (CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) <= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
# define ENV_IS_EMBEDDED 1
# endif
-# if defined(CFG_ENV_ADDR_REDUND) || defined(CFG_ENV_OFFSET_REDUND)
-# define CFG_REDUNDAND_ENVIRONMENT 1
+# if defined(CONFIG_ENV_ADDR_REDUND) || defined(CONFIG_ENV_OFFSET_REDUND)
+# define CONFIG_SYS_REDUNDAND_ENVIRONMENT 1
# endif
-#endif /* CFG_ENV_IS_IN_FLASH */
+#endif /* CONFIG_ENV_IS_IN_FLASH */
+#if defined(CONFIG_ENV_IS_IN_NAND)
+# ifndef CONFIG_ENV_OFFSET
+# error "Need to define CONFIG_ENV_OFFSET when using CONFIG_ENV_IS_IN_NAND"
+# endif
+# ifndef CONFIG_ENV_SIZE
+# error "Need to define CONFIG_ENV_SIZE when using CONFIG_ENV_IS_IN_NAND"
+# endif
+# ifdef CONFIG_ENV_OFFSET_REDUND
+# define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+# endif
+# ifdef CONFIG_ENV_IS_EMBEDDED
+# define ENV_IS_EMBEDDED 1
+# endif
+#endif /* CONFIG_ENV_IS_IN_NAND */
+
+#if defined(CONFIG_ENV_IS_IN_MG_DISK)
+# ifndef CONFIG_ENV_ADDR
+# error "Need to define CONFIG_ENV_ADDR when using CONFIG_ENV_IS_IN_MG_DISK"
+# endif
+# ifndef CONFIG_ENV_SIZE
+# error "Need to define CONFIG_ENV_SIZE when using CONFIG_ENV_IS_IN_MG_DISK"
+# endif
+# ifdef CONFIG_ENV_IS_EMBEDDED
+# error "CONFIG_ENV_IS_EMBEDDED not supported when using CONFIG_ENV_IS_IN_MG_DISK"
+# endif
+#endif /* CONFIG_ENV_IS_IN_MG_DISK */
+
+#ifdef USE_HOSTCC
+# include <stdint.h>
+#else
+# include <linux/types.h>
+#endif
-#ifdef CFG_REDUNDAND_ENVIRONMENT
-# define ENV_HEADER_SIZE (sizeof(unsigned long) + 1)
+#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
+# define ENV_HEADER_SIZE (sizeof(uint32_t) + 1)
#else
-# define ENV_HEADER_SIZE (sizeof(unsigned long))
+# define ENV_HEADER_SIZE (sizeof(uint32_t))
#endif
-#define ENV_SIZE (CFG_ENV_SIZE - ENV_HEADER_SIZE)
+#define ENV_SIZE (CONFIG_ENV_SIZE - ENV_HEADER_SIZE)
typedef struct environment_s {
- unsigned long crc; /* CRC32 over data bytes */
-#ifdef CFG_REDUNDAND_ENVIRONMENT
+ uint32_t crc; /* CRC32 over data bytes */
+#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
unsigned char flags; /* active/obsolete flags */
#endif
unsigned char data[ENV_SIZE]; /* Environment data */
} env_t;
+/* Function that returns a character from the environment */
+unsigned char env_get_char (int);
+
+/* Function that returns a pointer to a value from the environment */
+unsigned char *env_get_addr(int);
+unsigned char env_get_char_memory (int index);
+
+/* Function that updates CRC of the enironment */
+void env_crc_update (void);
+
+/* [re]set to the default environment */
+void set_default_env(void);
+
#endif /* _ENVIRONMENT_H_ */