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BOOT设计问题再提问?请TI工程师解决一下



6678开发板中boot相关器件有SPI FLASH         I2C EEPROM      EMIF16  NAND  FLASH

个人理解:这样设计应该是提供了三种加载方式:1  SPI加载方式

                                                                                        2  I2C 引导NAND FLASH做二级加载

                                                                                        3  i2c引导SPI FLASH做二级加载

个人认为,NAND FLASH用作加载,需要做坏块检测,EMIF16外挂并行NOR FLASH不是更好吗?不需要做坏块检测,还可以直接加载

自己设计的一块板子想使用这样的boot设计:I2C EEPROM+SPI FLASH+ EMIF16 NOR FLASH

1  emif16 nor flash直接加载

2  I2C引导EMIF16 NOR FLASH加载

3  I2C引导SPI FLASH 加载

4  SPI FLASH加载

不知道我这样的理解对不对,请工程师解答一下