Dear Haiying Wang,
In message 1290525198.1932.3.camel@haiying-laptop you wrote:
Please use only one such name (CONFIG_SYS_TPL_BOOT).
CONFIG_SYS_TPL_BOOT is used as CONFIG_NAND_U_BOOT in Makefile and header file. CONFIG_TPL_BOOT is used as CONFIG_NAND_SPL in header file.
I'm sorry, but I have to admit that I don;t understand what you are trying to tell me.
Why do you need XXX when you use it as YYY? Why don't you use YYY directly?
Does CONFIG_TPL_UBOOT make sense to you if I replace CONFIG_SYS_TPL_BOOT with it?
I cannot answer this. Don't understand any of this.
Maybe you can re-think this again and try to make it less complex, and the add a description of the then used new variables to the README. We need this documentation anyway. Maybe I can understand this documentation then, and provide better comment. Sorry,
Best regards,
Wolfgang Denk