Details are as follows .. the flash size 16Mbyte Nor flash.. NAND flash
256MB.
/*
* Environment
*/
#if defined(CONFIG_NAND_U_BOOT)
#define CFG_ENV_IS_IN_NAND 1
#define CFG_ENV_SIZE CFG_NAND_BLOCK_SIZE
#define CFG_ENV_OFFSET ((1024<<10) - (CFG_NAND_BLOCK_SIZE<<1))
#elif !defined(CFG_RAMBOOT)
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000)
//Daniel Change
#define CFG_ENV_SECT_SIZE 0x20000 /* 128K(one sector) for env */
//Daniel Change
#define CFG_ENV_SIZE 0x2000
/*
* FLASH on the Local Bus
*/
#define CFG_FLASH_CFI /* use the Common Flash
Interface */
#define CFG_FLASH_CFI_DRIVER /* use the CFI driver */
#define CFG_FLASH_BASE 0xFE000000 /* start of FLASH */
#define CFG_FLASH_SIZE 16 /* flash size in MB */
#define CFG_FLASH_EMPTY_INFO /* display empty sectors */
#define CFG_FLASH_USE_BUFFER_WRITE /* buffer up multiple bytes */
#define CFG_FLASH_BR_PRELIM (CFG_FLASH_BASE | /* flash Base address */ \
(2<<BR_PS_SHIFT) | /* 16 bit port size */ \
BR_V) /* valid */
#define CFG_FLASH_OR_PRELIM (0xFF000000 /* 16 MByte */ \
| OR_GPCM_XACS \
| OR_GPCM_SCY_9 \
| OR_GPCM_EHTR \
| OR_GPCM_EAD)
/* 0xFF006FF7 TODO SLOW 16 MB flash size
*/
#define CFG_LBLAWBAR0_PRELIM CFG_FLASH_BASE /* window base at flash base */
#define CFG_LBLAWAR0_PRELIM 0x80000017 /* 16 MB window size */
#define CFG_MAX_FLASH_BANKS 1 /* number of banks */
#define CFG_MAX_FLASH_SECT 135 /* sectors per device */
#define CFG_FLASH_ERASE_TOUT 60000 /* Flash Erase Timeout (ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (ms) */
#define CFG_MONITOR_BASE TEXT_BASE /* start of monitor */
/* Address and size of Redundant Environment Sector */
#else
#define CFG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */
#define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000)
#define CFG_ENV_SIZE 0x2000
#endif
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
-------------------------------------------------------------------------------
Michael Lawnick wrote:
>
> rudresh said the following:
>> i'm using u-boot -1.3.0 in MPC8313 evaluation board, it having a NAND ,
>> NOR
>> Flash , u-boot stored in NOR flash. when i do the saveenv , reset command
>> the u-boot is erased. i'm not able to fix this issue. help me to fix
>> this
>> issue
>
> Sounds U-Boot and environment share a flash sector.
> You'll have to give more info for correct diagnostic:
> Flash size, sector size, u-boot start address and size, position of
> environment data and if applicable of redundancy data.
>
> --
> Regards,
> Michael
>
> _______________________________________________
> U-Boot mailing list
> U-Boot@lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
>
>
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