Hello there,
I got a customized board, which is based on S3C2410. a 2MB NOR flash SST 39xF1601 and a 64M NAND flash K9F1208. In the file include/configs/smd2410.h:
... #ifdef CONFIG_AMD_LV800 #define PHYS_FLASH_SIZE 0x00100000 /* 1MB */ #define CFG_MAX_FLASH_SECT (19) /* max number of sectors on one chip */ #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x0F0000)
#ifdef CONFIG_AMD_LV400 #define PHYS_FLASH_SIZE 0x00080000 /* 512KB */ #define CFG_MAX_FLASH_SECT (11) /* max number of sectors on one chip */ #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x070000)
I don't know how to determine CFG_ENV_ADDR. Why does it add 0x0F0000 or 0x070000? Another question is If I save u-boot in NOR flash, can my kernel boot from NAND? or should I save u-boot in NAND?
Thank you very much.
Regards, Joe.